From 7fa8f958362238ca087e56f339e01a50506c3393 Mon Sep 17 00:00:00 2001
From: Andrew Nesbitt <andrewnez@gmail.com>
Date: Wed, 19 Aug 2026 08:53:35 +0100
Subject: [PATCH] Harvest univers conformance fixtures

---
 Makefile                                      |     5 +-
 advisory_test.go                              |    36 +
 testdata/local/data/npm_advisory.json         |  5312 +++++
 testdata/local/provenance.json                |    32 +
 testdata/local/skip.json                      |    13 +-
 .../tests/alpm_univers_version_cmp_test.json  |  1043 +
 .../tests/apk_univers_version_cmp_test.json   | 19319 ++++++++++++++++
 .../local/tests/conan_univers_range_test.json |   595 +
 .../tests/conan_univers_version_cmp_test.json |  1128 +
 .../tests/deb_univers_version_cmp_test.json   |   547 +
 .../gentoo_univers_version_cmp_test.json      |   531 +
 .../tests/rpm_univers_version_cmp_test.json   |  1034 +
 tools/diff-univers/main.go                    |   327 +
 tools/diff-univers/main_test.go               |   100 +
 tools/harvest/main.go                         |    35 +
 tools/harvest/univers.go                      |   379 +
 tools/harvest/univers_test.go                 |   129 +
 17 files changed, 30563 insertions(+), 2 deletions(-)
 create mode 100644 advisory_test.go
 create mode 100644 testdata/local/data/npm_advisory.json
 create mode 100644 testdata/local/tests/alpm_univers_version_cmp_test.json
 create mode 100644 testdata/local/tests/apk_univers_version_cmp_test.json
 create mode 100644 testdata/local/tests/conan_univers_range_test.json
 create mode 100644 testdata/local/tests/conan_univers_version_cmp_test.json
 create mode 100644 testdata/local/tests/deb_univers_version_cmp_test.json
 create mode 100644 testdata/local/tests/gentoo_univers_version_cmp_test.json
 create mode 100644 testdata/local/tests/rpm_univers_version_cmp_test.json
 create mode 100644 tools/diff-univers/main.go
 create mode 100644 tools/diff-univers/main_test.go
 create mode 100644 tools/harvest/univers.go
 create mode 100644 tools/harvest/univers_test.go

diff --git a/Makefile b/Makefile
index 805885b..02d53a2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,7 @@
-.PHONY: harvest
+.PHONY: diff-univers harvest
+
+diff-univers:
+	go run ./tools/diff-univers $(DIFF_UNIVERS_ARGS)
 
 harvest:
 	go run ./tools/harvest $(HARVEST_ARGS)
diff --git a/advisory_test.go b/advisory_test.go
new file mode 100644
index 0000000..2a0069a
--- /dev/null
+++ b/advisory_test.go
@@ -0,0 +1,36 @@
+package vers
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+type npmAdvisoryRange struct {
+	TestIndex int    `json:"test_index"`
+	Native    string `json:"npm_native"`
+}
+
+func TestNPMAdvisoryRangesParse(t *testing.T) {
+	filename := filepath.Join("testdata", "local", "data", "npm_advisory.json")
+	data, err := os.ReadFile(filename)
+	if err != nil {
+		t.Fatalf("read %s: %v", filename, err)
+	}
+	var ranges []npmAdvisoryRange
+	if err := json.Unmarshal(data, &ranges); err != nil {
+		t.Fatalf("parse %s: %v", filename, err)
+	}
+	if len(ranges) == 0 {
+		t.Fatalf("%s contains no ranges", filename)
+	}
+	for _, advisoryRange := range ranges {
+		t.Run(fmt.Sprintf("%04d", advisoryRange.TestIndex), func(t *testing.T) {
+			if _, err := ParseNative(advisoryRange.Native, schemeNPM); err != nil {
+				t.Errorf("ParseNative(%q, npm): %v", advisoryRange.Native, err)
+			}
+		})
+	}
+}
diff --git a/testdata/local/data/npm_advisory.json b/testdata/local/data/npm_advisory.json
new file mode 100644
index 0000000..3ae55a1
--- /dev/null
+++ b/testdata/local/data/npm_advisory.json
@@ -0,0 +1,5312 @@
+[
+  {
+    "test_index": 1,
+    "scheme": "npm",
+    "npm_native": ">=4.1.0",
+    "expected_vers": "vers:npm/>=4.1.0"
+  },
+  {
+    "test_index": 2,
+    "scheme": "npm",
+    "npm_native": ">=2.0.0 <=4.0.4",
+    "expected_vers": "vers:npm/>=2.0.0|<=4.0.4"
+  },
+  {
+    "test_index": 3,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 4,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 5,
+    "scheme": "npm",
+    "npm_native": ">=2.11.2",
+    "expected_vers": "vers:npm/>=2.11.2"
+  },
+  {
+    "test_index": 6,
+    "scheme": "npm",
+    "npm_native": "<2.11.2",
+    "expected_vers": "vers:npm/<2.11.2"
+  },
+  {
+    "test_index": 7,
+    "scheme": "npm",
+    "npm_native": "<=0.6.2",
+    "expected_vers": "vers:npm/<=0.6.2"
+  },
+  {
+    "test_index": 8,
+    "scheme": "npm",
+    "npm_native": ">=0.9.0",
+    "expected_vers": "vers:npm/>=0.9.0"
+  },
+  {
+    "test_index": 9,
+    "scheme": "npm",
+    "npm_native": "<=0.8.4",
+    "expected_vers": "vers:npm/<=0.8.4"
+  },
+  {
+    "test_index": 10,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 11,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 12,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 13,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 14,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 15,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 16,
+    "scheme": "npm",
+    "npm_native": ">= 1.6.9",
+    "expected_vers": "vers:npm/>=1.6.9"
+  },
+  {
+    "test_index": 17,
+    "scheme": "npm",
+    "npm_native": "<= 1.6.8",
+    "expected_vers": "vers:npm/<=1.6.8"
+  },
+  {
+    "test_index": 18,
+    "scheme": "npm",
+    "npm_native": "<=3.9.2",
+    "expected_vers": "vers:npm/<=3.9.2"
+  },
+  {
+    "test_index": 19,
+    "scheme": "npm",
+    "npm_native": ">=9.1.6",
+    "expected_vers": "vers:npm/>=9.1.6"
+  },
+  {
+    "test_index": 20,
+    "scheme": "npm",
+    "npm_native": "<=9.1.5",
+    "expected_vers": "vers:npm/<=9.1.5"
+  },
+  {
+    "test_index": 21,
+    "scheme": "npm",
+    "npm_native": ">=1.0.0",
+    "expected_vers": "vers:npm/>=1.0.0"
+  },
+  {
+    "test_index": 22,
+    "scheme": "npm",
+    "npm_native": "<=0.5.0",
+    "expected_vers": "vers:npm/<=0.5.0"
+  },
+  {
+    "test_index": 23,
+    "scheme": "npm",
+    "npm_native": ">=1.8.10",
+    "expected_vers": "vers:npm/>=1.8.10"
+  },
+  {
+    "test_index": 24,
+    "scheme": "npm",
+    "npm_native": "<1.8.10",
+    "expected_vers": "vers:npm/<1.8.10"
+  },
+  {
+    "test_index": 25,
+    "scheme": "npm",
+    "npm_native": ">=1.4.1",
+    "expected_vers": "vers:npm/>=1.4.1"
+  },
+  {
+    "test_index": 26,
+    "scheme": "npm",
+    "npm_native": "<=1.4.0",
+    "expected_vers": "vers:npm/<=1.4.0"
+  },
+  {
+    "test_index": 27,
+    "scheme": "npm",
+    "npm_native": ">= 16.1.1",
+    "expected_vers": "vers:npm/>=16.1.1"
+  },
+  {
+    "test_index": 28,
+    "scheme": "npm",
+    "npm_native": ">= 15.0.0 <= 16.1.0",
+    "expected_vers": "vers:npm/>=15.0.0|<=16.1.0"
+  },
+  {
+    "test_index": 29,
+    "scheme": "npm",
+    "npm_native": ">0.12.7",
+    "expected_vers": "vers:npm/>0.12.7"
+  },
+  {
+    "test_index": 30,
+    "scheme": "npm",
+    "npm_native": "<=0.12.7",
+    "expected_vers": "vers:npm/<=0.12.7"
+  },
+  {
+    "test_index": 31,
+    "scheme": "npm",
+    "npm_native": "*",
+    "expected_vers": "vers:npm/*"
+  },
+  {
+    "test_index": 32,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 33,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 34,
+    "scheme": "npm",
+    "npm_native": ">=2.1.5",
+    "expected_vers": "vers:npm/>=2.1.5"
+  },
+  {
+    "test_index": 35,
+    "scheme": "npm",
+    "npm_native": "2.1.4",
+    "expected_vers": "vers:npm/2.1.4"
+  },
+  {
+    "test_index": 36,
+    "scheme": "npm",
+    "npm_native": ">=1.0.0",
+    "expected_vers": "vers:npm/>=1.0.0"
+  },
+  {
+    "test_index": 37,
+    "scheme": "npm",
+    "npm_native": "<1.0.0",
+    "expected_vers": "vers:npm/<1.0.0"
+  },
+  {
+    "test_index": 38,
+    "scheme": "npm",
+    "npm_native": ">= 6.1.0",
+    "expected_vers": "vers:npm/>=6.1.0"
+  },
+  {
+    "test_index": 39,
+    "scheme": "npm",
+    "npm_native": "< 6.1.0",
+    "expected_vers": "vers:npm/<6.1.0"
+  },
+  {
+    "test_index": 40,
+    "scheme": "npm",
+    "npm_native": "*",
+    "expected_vers": "vers:npm/*"
+  },
+  {
+    "test_index": 41,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 42,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 43,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 44,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 45,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 46,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 47,
+    "scheme": "npm",
+    "npm_native": ">=1.4.0",
+    "expected_vers": "vers:npm/>=1.4.0"
+  },
+  {
+    "test_index": 48,
+    "scheme": "npm",
+    "npm_native": "<1.4.0",
+    "expected_vers": "vers:npm/<1.4.0"
+  },
+  {
+    "test_index": 49,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 50,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 51,
+    "scheme": "npm",
+    "npm_native": ">= 3.0.0",
+    "expected_vers": "vers:npm/>=3.0.0"
+  },
+  {
+    "test_index": 52,
+    "scheme": "npm",
+    "npm_native": "<= 2.1.3",
+    "expected_vers": "vers:npm/<=2.1.3"
+  },
+  {
+    "test_index": 53,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 54,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 55,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 56,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 57,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 58,
+    "scheme": "npm",
+    "npm_native": "<=0.0.5",
+    "expected_vers": "vers:npm/<=0.0.5"
+  },
+  {
+    "test_index": 59,
+    "scheme": "npm",
+    "npm_native": ">=3.4.0",
+    "expected_vers": "vers:npm/>=3.4.0"
+  },
+  {
+    "test_index": 60,
+    "scheme": "npm",
+    "npm_native": "<3.4.0",
+    "expected_vers": "vers:npm/<3.4.0"
+  },
+  {
+    "test_index": 61,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 62,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 63,
+    "scheme": "npm",
+    "npm_native": ">=3.0.2",
+    "expected_vers": "vers:npm/>=3.0.2"
+  },
+  {
+    "test_index": 64,
+    "scheme": "npm",
+    "npm_native": ">= 2.0.1 <3.0.2",
+    "expected_vers": "vers:npm/>=2.0.1|<3.0.2"
+  },
+  {
+    "test_index": 65,
+    "scheme": "npm",
+    "npm_native": "<=2.0.2",
+    "expected_vers": "vers:npm/<=2.0.2"
+  },
+  {
+    "test_index": 66,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 67,
+    "scheme": "npm",
+    "npm_native": "<99.999.9999",
+    "expected_vers": "vers:npm/<99.999.9999"
+  },
+  {
+    "test_index": 68,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 69,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 70,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 71,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 72,
+    "scheme": "npm",
+    "npm_native": ">= 1.0.4",
+    "expected_vers": "vers:npm/>=1.0.4"
+  },
+  {
+    "test_index": 73,
+    "scheme": "npm",
+    "npm_native": "<= 1.0.3",
+    "expected_vers": "vers:npm/<=1.0.3"
+  },
+  {
+    "test_index": 74,
+    "scheme": "npm",
+    "npm_native": ">=1.5.2 || >=1.4.11 <1.5.0 || >=1.3.2 <1.4.0",
+    "expected_vers": "vers:npm/>=1.3.2|<1.4.0|>=1.4.11|<1.5.0|>=1.5.2"
+  },
+  {
+    "test_index": 75,
+    "scheme": "npm",
+    "npm_native": ">=1.3.0 <1.3.2 || >=1.4.0 <1.4.11 || >=1.5.0 <1.5.2",
+    "expected_vers": "vers:npm/>=1.3.0|<1.3.2|>=1.4.0|<1.4.11|>=1.5.0|<1.5.2"
+  },
+  {
+    "test_index": 76,
+    "scheme": "npm",
+    "npm_native": ">=2.1.3",
+    "expected_vers": "vers:npm/>=2.1.3"
+  },
+  {
+    "test_index": 77,
+    "scheme": "npm",
+    "npm_native": "<=2.1.2",
+    "expected_vers": "vers:npm/<=2.1.2"
+  },
+  {
+    "test_index": 78,
+    "scheme": "npm",
+    "npm_native": "<=3.2.0",
+    "expected_vers": "vers:npm/<=3.2.0"
+  },
+  {
+    "test_index": 79,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 80,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 81,
+    "scheme": "npm",
+    "npm_native": ">=1.0.0",
+    "expected_vers": "vers:npm/>=1.0.0"
+  },
+  {
+    "test_index": 82,
+    "scheme": "npm",
+    "npm_native": "<1.0.0",
+    "expected_vers": "vers:npm/<1.0.0"
+  },
+  {
+    "test_index": 83,
+    "scheme": "npm",
+    "npm_native": ">=0.7.0",
+    "expected_vers": "vers:npm/>=0.7.0"
+  },
+  {
+    "test_index": 84,
+    "scheme": "npm",
+    "npm_native": "<=0.6.6",
+    "expected_vers": "vers:npm/<=0.6.6"
+  },
+  {
+    "test_index": 85,
+    "scheme": "npm",
+    "npm_native": ">=1.0.6",
+    "expected_vers": "vers:npm/>=1.0.6"
+  },
+  {
+    "test_index": 86,
+    "scheme": "npm",
+    "npm_native": "<=1.0.5",
+    "expected_vers": "vers:npm/<=1.0.5"
+  },
+  {
+    "test_index": 87,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 88,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 89,
+    "scheme": "npm",
+    "npm_native": ">=3.0.2",
+    "expected_vers": "vers:npm/>=3.0.2"
+  },
+  {
+    "test_index": 90,
+    "scheme": "npm",
+    "npm_native": "<=3.0.1",
+    "expected_vers": "vers:npm/<=3.0.1"
+  },
+  {
+    "test_index": 91,
+    "scheme": "npm",
+    "npm_native": ">= 1.1",
+    "expected_vers": "vers:npm/>=1.1.0"
+  },
+  {
+    "test_index": 92,
+    "scheme": "npm",
+    "npm_native": "<= 1.0",
+    "expected_vers": "vers:npm/<=1.0.0"
+  },
+  {
+    "test_index": 93,
+    "scheme": "npm",
+    "npm_native": ">=2.0.0",
+    "expected_vers": "vers:npm/>=2.0.0"
+  },
+  {
+    "test_index": 94,
+    "scheme": "npm",
+    "npm_native": "<2.0.0",
+    "expected_vers": "vers:npm/<2.0.0"
+  },
+  {
+    "test_index": 95,
+    "scheme": "npm",
+    "npm_native": "<=0.2.3",
+    "expected_vers": "vers:npm/<=0.2.3"
+  },
+  {
+    "test_index": 96,
+    "scheme": "npm",
+    "npm_native": ">=3.0.0",
+    "expected_vers": "vers:npm/>=3.0.0"
+  },
+  {
+    "test_index": 97,
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+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 783,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 784,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 785,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 786,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 787,
+    "scheme": "npm",
+    "npm_native": ">=3.0.4",
+    "expected_vers": "vers:npm/>=3.0.4"
+  },
+  {
+    "test_index": 788,
+    "scheme": "npm",
+    "npm_native": "<3.0.4",
+    "expected_vers": "vers:npm/<3.0.4"
+  },
+  {
+    "test_index": 789,
+    "scheme": "npm",
+    "npm_native": ">=1.0.7",
+    "expected_vers": "vers:npm/>=1.0.7"
+  },
+  {
+    "test_index": 790,
+    "scheme": "npm",
+    "npm_native": "<=1.0.6",
+    "expected_vers": "vers:npm/<=1.0.6"
+  },
+  {
+    "test_index": 791,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 792,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 793,
+    "scheme": "npm",
+    "npm_native": ">=1.3.1",
+    "expected_vers": "vers:npm/>=1.3.1"
+  },
+  {
+    "test_index": 794,
+    "scheme": "npm",
+    "npm_native": "<1.3.1",
+    "expected_vers": "vers:npm/<1.3.1"
+  },
+  {
+    "test_index": 795,
+    "scheme": "npm",
+    "npm_native": "> 2.4.3",
+    "expected_vers": "vers:npm/>2.4.3"
+  },
+  {
+    "test_index": 796,
+    "scheme": "npm",
+    "npm_native": "<= 2.4.3",
+    "expected_vers": "vers:npm/<=2.4.3"
+  },
+  {
+    "test_index": 797,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 798,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 799,
+    "scheme": "npm",
+    "npm_native": ">=0.2.3",
+    "expected_vers": "vers:npm/>=0.2.3"
+  },
+  {
+    "test_index": 800,
+    "scheme": "npm",
+    "npm_native": "<0.2.3",
+    "expected_vers": "vers:npm/<0.2.3"
+  },
+  {
+    "test_index": 801,
+    "scheme": "npm",
+    "npm_native": ">=1.2.4",
+    "expected_vers": "vers:npm/>=1.2.4"
+  },
+  {
+    "test_index": 802,
+    "scheme": "npm",
+    "npm_native": "<=1.2.3",
+    "expected_vers": "vers:npm/<=1.2.3"
+  },
+  {
+    "test_index": 803,
+    "scheme": "npm",
+    "npm_native": "<=1.0.2",
+    "expected_vers": "vers:npm/<=1.0.2"
+  },
+  {
+    "test_index": 804,
+    "scheme": "npm",
+    "npm_native": ">=1.4.4",
+    "expected_vers": "vers:npm/>=1.4.4"
+  },
+  {
+    "test_index": 805,
+    "scheme": "npm",
+    "npm_native": "<1.4.4",
+    "expected_vers": "vers:npm/<1.4.4"
+  },
+  {
+    "test_index": 806,
+    "scheme": "npm",
+    "npm_native": ">=1.4.3",
+    "expected_vers": "vers:npm/>=1.4.3"
+  },
+  {
+    "test_index": 807,
+    "scheme": "npm",
+    "npm_native": "<=1.4.2",
+    "expected_vers": "vers:npm/<=1.4.2"
+  },
+  {
+    "test_index": 808,
+    "scheme": "npm",
+    "npm_native": ">=2.1.0",
+    "expected_vers": "vers:npm/>=2.1.0"
+  },
+  {
+    "test_index": 809,
+    "scheme": "npm",
+    "npm_native": "<=2.0.0",
+    "expected_vers": "vers:npm/<=2.0.0"
+  },
+  {
+    "test_index": 810,
+    "scheme": "npm",
+    "npm_native": ">=0.6.0",
+    "expected_vers": "vers:npm/>=0.6.0"
+  },
+  {
+    "test_index": 811,
+    "scheme": "npm",
+    "npm_native": "<0.6.0",
+    "expected_vers": "vers:npm/<0.6.0"
+  },
+  {
+    "test_index": 812,
+    "scheme": "npm",
+    "npm_native": ">=1.1.5",
+    "expected_vers": "vers:npm/>=1.1.5"
+  },
+  {
+    "test_index": 813,
+    "scheme": "npm",
+    "npm_native": "<=1.1.4",
+    "expected_vers": "vers:npm/<=1.1.4"
+  },
+  {
+    "test_index": 814,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 815,
+    "scheme": "npm",
+    "npm_native": "<=2.0.2",
+    "expected_vers": "vers:npm/<=2.0.2"
+  },
+  {
+    "test_index": 816,
+    "scheme": "npm",
+    "npm_native": ">=4.0.0",
+    "expected_vers": "vers:npm/>=4.0.0"
+  },
+  {
+    "test_index": 817,
+    "scheme": "npm",
+    "npm_native": "<4.0.0",
+    "expected_vers": "vers:npm/<4.0.0"
+  },
+  {
+    "test_index": 818,
+    "scheme": "npm",
+    "npm_native": ">=2.12.4",
+    "expected_vers": "vers:npm/>=2.12.4"
+  },
+  {
+    "test_index": 819,
+    "scheme": "npm",
+    "npm_native": "<=2.12.3",
+    "expected_vers": "vers:npm/<=2.12.3"
+  },
+  {
+    "test_index": 820,
+    "scheme": "npm",
+    "npm_native": ">=0.0.3",
+    "expected_vers": "vers:npm/>=0.0.3"
+  },
+  {
+    "test_index": 821,
+    "scheme": "npm",
+    "npm_native": "<0.0.3",
+    "expected_vers": "vers:npm/<0.0.3"
+  },
+  {
+    "test_index": 822,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 823,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 824,
+    "scheme": "npm",
+    "npm_native": ">1.10.8",
+    "expected_vers": "vers:npm/>1.10.8"
+  },
+  {
+    "test_index": 825,
+    "scheme": "npm",
+    "npm_native": "<=1.10.8",
+    "expected_vers": "vers:npm/<=1.10.8"
+  },
+  {
+    "test_index": 826,
+    "scheme": "npm",
+    "npm_native": "*",
+    "expected_vers": "vers:npm/*"
+  },
+  {
+    "test_index": 827,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 828,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 829,
+    "scheme": "npm",
+    "npm_native": ">=1.4.2",
+    "expected_vers": "vers:npm/>=1.4.2"
+  },
+  {
+    "test_index": 830,
+    "scheme": "npm",
+    "npm_native": "<=1.4.1",
+    "expected_vers": "vers:npm/<=1.4.1"
+  },
+  {
+    "test_index": 831,
+    "scheme": "npm",
+    "npm_native": "<=1.0.2",
+    "expected_vers": "vers:npm/<=1.0.2"
+  },
+  {
+    "test_index": 832,
+    "scheme": "npm",
+    "npm_native": "<=1.1.8",
+    "expected_vers": "vers:npm/<=1.1.8"
+  },
+  {
+    "test_index": 833,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 834,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 835,
+    "scheme": "npm",
+    "npm_native": ">=0.3.3",
+    "expected_vers": "vers:npm/>=0.3.3"
+  },
+  {
+    "test_index": 836,
+    "scheme": "npm",
+    "npm_native": "<=0.3.2",
+    "expected_vers": "vers:npm/<=0.3.2"
+  },
+  {
+    "test_index": 837,
+    "scheme": "npm",
+    "npm_native": ">=0.1.1",
+    "expected_vers": "vers:npm/>=0.1.1"
+  },
+  {
+    "test_index": 838,
+    "scheme": "npm",
+    "npm_native": "<0.1.1",
+    "expected_vers": "vers:npm/<0.1.1"
+  },
+  {
+    "test_index": 839,
+    "scheme": "npm",
+    "npm_native": ">=0.3.0",
+    "expected_vers": "vers:npm/>=0.3.0"
+  },
+  {
+    "test_index": 840,
+    "scheme": "npm",
+    "npm_native": "<0.3.0",
+    "expected_vers": "vers:npm/<0.3.0"
+  },
+  {
+    "test_index": 841,
+    "scheme": "npm",
+    "npm_native": "~0.2.2 || >=0.3.2",
+    "expected_vers": "vers:npm/>=0.2.2|<0.3.0|>=0.3.2"
+  },
+  {
+    "test_index": 842,
+    "scheme": "npm",
+    "npm_native": "<0.2.2 || >=0.3.0 <0.3.2",
+    "expected_vers": "vers:npm/<0.2.2|>=0.3.0|<0.3.2"
+  },
+  {
+    "test_index": 843,
+    "scheme": "npm",
+    "npm_native": ">= 7.0.0",
+    "expected_vers": "vers:npm/>=7.0.0"
+  },
+  {
+    "test_index": 844,
+    "scheme": "npm",
+    "npm_native": ">= 5.2.1 <= 6.0.0 || >=6.0.0 <= 6.0.2",
+    "expected_vers": "vers:npm/>=5.2.1|<=6.0.0|>=6.0.0|<=6.0.2"
+  },
+  {
+    "test_index": 845,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 846,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 847,
+    "scheme": "npm",
+    "npm_native": "<=0.0.6",
+    "expected_vers": "vers:npm/<=0.0.6"
+  },
+  {
+    "test_index": 848,
+    "scheme": "npm",
+    "npm_native": ">=1.4.1 <2.0.0 || >=2.17.2",
+    "expected_vers": "vers:npm/>=1.4.1|<2.0.0|>=2.17.2"
+  },
+  {
+    "test_index": 849,
+    "scheme": "npm",
+    "npm_native": "<1.4.1 || >=2.0.0 <2.17.2",
+    "expected_vers": "vers:npm/<1.4.1|>=2.0.0|<2.17.2"
+  },
+  {
+    "test_index": 850,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 851,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 852,
+    "scheme": "npm",
+    "npm_native": ">=0.3.16",
+    "expected_vers": "vers:npm/>=0.3.16"
+  },
+  {
+    "test_index": 853,
+    "scheme": "npm",
+    "npm_native": "<0.3.16",
+    "expected_vers": "vers:npm/<0.3.16"
+  },
+  {
+    "test_index": 854,
+    "scheme": "npm",
+    "npm_native": "<=0.2.2",
+    "expected_vers": "vers:npm/<=0.2.2"
+  },
+  {
+    "test_index": 855,
+    "scheme": "npm",
+    "npm_native": "<=0.2.4",
+    "expected_vers": "vers:npm/<=0.2.4"
+  },
+  {
+    "test_index": 856,
+    "scheme": "npm",
+    "npm_native": ">=2.2.5",
+    "expected_vers": "vers:npm/>=2.2.5"
+  },
+  {
+    "test_index": 857,
+    "scheme": "npm",
+    "npm_native": "<2.2.5",
+    "expected_vers": "vers:npm/<2.2.5"
+  },
+  {
+    "test_index": 858,
+    "scheme": "npm",
+    "npm_native": "<=0.2.0",
+    "expected_vers": "vers:npm/<=0.2.0"
+  },
+  {
+    "test_index": 859,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 860,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 861,
+    "scheme": "npm",
+    "npm_native": ">=1.0.1",
+    "expected_vers": "vers:npm/>=1.0.1"
+  },
+  {
+    "test_index": 862,
+    "scheme": "npm",
+    "npm_native": "<1.0.1",
+    "expected_vers": "vers:npm/<1.0.1"
+  },
+  {
+    "test_index": 863,
+    "scheme": "npm",
+    "npm_native": "<=0.0.9",
+    "expected_vers": "vers:npm/<=0.0.9"
+  },
+  {
+    "test_index": 864,
+    "scheme": "npm",
+    "npm_native": ">=0.9.7",
+    "expected_vers": "vers:npm/>=0.9.7"
+  },
+  {
+    "test_index": 865,
+    "scheme": "npm",
+    "npm_native": "<=0.9.6",
+    "expected_vers": "vers:npm/<=0.9.6"
+  },
+  {
+    "test_index": 866,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 867,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 868,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 869,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 870,
+    "scheme": "npm",
+    "npm_native": ">=2.4.2",
+    "expected_vers": "vers:npm/>=2.4.2"
+  },
+  {
+    "test_index": 871,
+    "scheme": "npm",
+    "npm_native": "<2.4.2",
+    "expected_vers": "vers:npm/<2.4.2"
+  },
+  {
+    "test_index": 872,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 873,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 874,
+    "scheme": "npm",
+    "npm_native": ">=1.2.2",
+    "expected_vers": "vers:npm/>=1.2.2"
+  },
+  {
+    "test_index": 875,
+    "scheme": "npm",
+    "npm_native": "<1.2.2",
+    "expected_vers": "vers:npm/<1.2.2"
+  },
+  {
+    "test_index": 876,
+    "scheme": "npm",
+    "npm_native": "<0.0.0",
+    "expected_vers": "vers:npm/<0.0.0"
+  },
+  {
+    "test_index": 877,
+    "scheme": "npm",
+    "npm_native": "<=99.999.99999",
+    "expected_vers": "vers:npm/<=99.999.99999"
+  },
+  {
+    "test_index": 878,
+    "scheme": "npm",
+    "npm_native": ">=3.0.1",
+    "expected_vers": "vers:npm/>=3.0.1"
+  },
+  {
+    "test_index": 879,
+    "scheme": "npm",
+    "npm_native": "<3.0.1",
+    "expected_vers": "vers:npm/<3.0.1"
+  },
+  {
+    "test_index": 880,
+    "scheme": "npm",
+    "npm_native": "^1.2.9",
+    "expected_vers": "vers:npm/>=1.2.9|<2.0.0"
+  },
+  {
+    "test_index": 881,
+    "scheme": "npm",
+    "npm_native": "~3.8.2",
+    "expected_vers": "vers:npm/>=3.8.2|<3.9.0"
+  },
+  {
+    "test_index": 882,
+    "scheme": "npm",
+    "npm_native": "5.0.0 - 7.2.3",
+    "expected_vers": "vers:npm/>=5.0.0|<=7.2.3"
+  },
+  {
+    "test_index": 883,
+    "scheme": "npm",
+    "npm_native": "2.1 || 2.6",
+    "expected_vers": "vers:npm/2.1.0|2.6.0"
+  },
+  {
+    "test_index": 884,
+    "scheme": "npm",
+    "npm_native": "1.1.2 1.2.2",
+    "expected_vers": "vers:npm/1.1.2|1.2.2"
+  },
+  {
+    "test_index": 885,
+    "scheme": "npm",
+    "npm_native": "<=2.1 >=1.1",
+    "expected_vers": "vers:npm/>=1.1.0|<=2.1.0"
+  }
+]
diff --git a/testdata/local/provenance.json b/testdata/local/provenance.json
index 392d4e3..d62ee93 100644
--- a/testdata/local/provenance.json
+++ b/testdata/local/provenance.json
@@ -146,6 +146,38 @@
       "generated_files": [
         "tests/go_version_cmp_test.json"
       ]
+    },
+    {
+      "repository": "https://github.com/package-url/univers.git",
+      "commit": "f365e4ee6eea8ebf1ad9219ccf4c4d523e822fb2",
+      "license": "Apache-2.0 AND BSD-3-Clause AND GPL-2.0-only AND MIT",
+      "source_files": [
+        "tests/test_debian_version.py",
+        "tests/test_debian_version.py.ABOUT",
+        "tests/data/rpmvercmp.at",
+        "tests/data/rpmvercmp.at.ABOUT",
+        "tests/test_gentoo_pkgcore.py",
+        "tests/test_gentoo_pkgcore.py.ABOUT",
+        "tests/data/alpine_test.txt",
+        "tests/data/alpine_test.txt.ABOUT",
+        "tests/test_pacman_vercmp.py",
+        "tests/test_pacman_vercmp.py.ABOUT",
+        "tests/test_conan_version_comparison.py",
+        "tests/test_conan_version_comparison.py.ABOUT",
+        "tests/test_conan_version_range.py",
+        "tests/test_conan_version_range.py.ABOUT",
+        "tests/data/npm_advisory.json"
+      ],
+      "generated_files": [
+        "tests/deb_univers_version_cmp_test.json",
+        "tests/rpm_univers_version_cmp_test.json",
+        "tests/gentoo_univers_version_cmp_test.json",
+        "tests/apk_univers_version_cmp_test.json",
+        "tests/alpm_univers_version_cmp_test.json",
+        "tests/conan_univers_version_cmp_test.json",
+        "tests/conan_univers_range_test.json",
+        "data/npm_advisory.json"
+      ]
     }
   ]
 }
diff --git a/testdata/local/skip.json b/testdata/local/skip.json
index b68e5a3..3dbaea1 100644
--- a/testdata/local/skip.json
+++ b/testdata/local/skip.json
@@ -1,3 +1,14 @@
 {
-  "skips": []
+  "skips": [
+    {
+      "file": "local/tests/conan_univers_range_test.json",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/>1|<2.0|>=3.2|<4-",
+        "version": "3.3-a1"
+      },
+      "expected_output": false,
+      "reason": "VERS constraints cannot encode Conan's per-branch prerelease opt-in."
+    }
+  ]
 }
diff --git a/testdata/local/tests/alpm_univers_version_cmp_test.json b/testdata/local/tests/alpm_univers_version_cmp_test.json
new file mode 100644
index 0000000..56e4efc
--- /dev/null
+++ b/testdata/local/tests/alpm_univers_version_cmp_test.json
@@ -0,0 +1,1043 @@
+{
+  "$schema": "https://packageurl.org/schemas/vers-test.schema-0.2.json",
+  "tests": [
+    {
+      "description": "univers Pacman orders \"1.5.0\" before \"1.5.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1",
+          "1.5.0"
+        ]
+      },
+      "expected_output": [
+        "1.5.0",
+        "1.5.1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5.1\" and \"1.5.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1",
+          "1.5.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5\" before \"1.5.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1",
+          "1.5"
+        ]
+      },
+      "expected_output": [
+        "1.5",
+        "1.5.1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5.1\" and \"1.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1",
+          "1.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5.0-1\" before \"1.5.0-2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.0-2",
+          "1.5.0-1"
+        ]
+      },
+      "expected_output": [
+        "1.5.0-1",
+        "1.5.0-2"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5.0-1\" and \"1.5.0-2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.0-1",
+          "1.5.0-2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5.0-1\" before \"1.5.1-1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1-1",
+          "1.5.0-1"
+        ]
+      },
+      "expected_output": [
+        "1.5.0-1",
+        "1.5.1-1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5.0-1\" and \"1.5.1-1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.0-1",
+          "1.5.1-1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5.0-2\" before \"1.5.1-1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1-1",
+          "1.5.0-2"
+        ]
+      },
+      "expected_output": [
+        "1.5.0-2",
+        "1.5.1-1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5.0-2\" and \"1.5.1-1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.0-2",
+          "1.5.1-1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5\" before \"1.5.a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.a",
+          "1.5"
+        ]
+      },
+      "expected_output": [
+        "1.5",
+        "1.5.a"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5.a\" and \"1.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.a",
+          "1.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5.a\" before \"1.5.b\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.b",
+          "1.5.a"
+        ]
+      },
+      "expected_output": [
+        "1.5.a",
+        "1.5.b"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5.b\" and \"1.5.a\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.b",
+          "1.5.a"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5.b\" before \"1.5.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1",
+          "1.5.b"
+        ]
+      },
+      "expected_output": [
+        "1.5.b",
+        "1.5.1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5.1\" and \"1.5.b\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1",
+          "1.5.b"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"0:1.0\" before \"0:1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "0:1.1",
+          "0:1.0"
+        ]
+      },
+      "expected_output": [
+        "0:1.0",
+        "0:1.1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"0:1.0\" and \"0:1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "0:1.0",
+          "0:1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"0:1.0\" before \"1:1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "0:1.0"
+        ]
+      },
+      "expected_output": [
+        "0:1.0",
+        "1:1.0"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1:1.0\" and \"0:1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "0:1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"0:1.1\" before \"1:1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "0:1.1"
+        ]
+      },
+      "expected_output": [
+        "0:1.1",
+        "1:1.0"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1:1.0\" and \"0:1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "0:1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1:1.0\" before \"2:1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "2:1.1",
+          "1:1.0"
+        ]
+      },
+      "expected_output": [
+        "1:1.0",
+        "2:1.1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1:1.0\" and \"2:1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "2:1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"0:1.0-1\" before \"1:1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "0:1.0-1"
+        ]
+      },
+      "expected_output": [
+        "0:1.0-1",
+        "1:1.0"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1:1.0\" and \"0:1.0-1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "0:1.0-1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"0:1.1-1\" before \"1:1.0-1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0-1",
+          "0:1.1-1"
+        ]
+      },
+      "expected_output": [
+        "0:1.1-1",
+        "1:1.0-1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1:1.0-1\" and \"0:1.1-1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0-1",
+          "0:1.1-1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman treats \"0:1.0\" and \"1.0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "0:1.0",
+          "1.0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Pacman orders \"0:1.0\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.1",
+          "0:1.0"
+        ]
+      },
+      "expected_output": [
+        "0:1.0",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"0:1.0\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "0:1.0",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.0\" before \"0:1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "0:1.1",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "0:1.1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"0:1.1\" and \"1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "0:1.1",
+          "1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.0\" before \"1:1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "1:1.0"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1:1.0\" and \"1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.1\" before \"1:1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "1:1.0"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1:1.0\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.0",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.1\" before \"1:1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.1",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "1:1.1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1:1.1\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1:1.1",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman treats \"1.5.b-1\" and \"1.5.b\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.b-1",
+          "1.5.b"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Pacman orders \"1.5-1\" before \"1.5.b\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.b",
+          "1.5-1"
+        ]
+      },
+      "expected_output": [
+        "1.5-1",
+        "1.5.b"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5-1\" and \"1.5.b\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5-1",
+          "1.5.b"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5-1\" before \"1.5.1-1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1-1",
+          "1.5-1"
+        ]
+      },
+      "expected_output": [
+        "1.5-1",
+        "1.5.1-1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5-1\" and \"1.5.1-1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5-1",
+          "1.5.1-1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5-2\" before \"1.5.1-1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1-1",
+          "1.5-2"
+        ]
+      },
+      "expected_output": [
+        "1.5-2",
+        "1.5.1-1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5-2\" and \"1.5.1-1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5-2",
+          "1.5.1-1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5-2\" before \"1.5.1-2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1-2",
+          "1.5-2"
+        ]
+      },
+      "expected_output": [
+        "1.5-2",
+        "1.5.1-2"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5-2\" and \"1.5.1-2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5-2",
+          "1.5.1-2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman treats \"1.5\" and \"1.5-1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5",
+          "1.5-1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Pacman treats \"1.1-1\" and \"1.1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.1-1",
+          "1.1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Pacman orders \"1.0-1\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.1",
+          "1.0-1"
+        ]
+      },
+      "expected_output": [
+        "1.0-1",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.0-1\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0-1",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.0\" before \"1.1-1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.1-1",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "1.1-1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.1-1\" and \"1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.1-1",
+          "1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5b-1\" before \"1.5-1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5-1",
+          "1.5b-1"
+        ]
+      },
+      "expected_output": [
+        "1.5b-1",
+        "1.5-1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5b-1\" and \"1.5-1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5b-1",
+          "1.5-1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5b  \" before \"1.5  \".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5  ",
+          "1.5b  "
+        ]
+      },
+      "expected_output": [
+        "1.5b  ",
+        "1.5  "
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5b  \" and \"1.5  \" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5b  ",
+          "1.5  "
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5b-1\" before \"1.5  \".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5  ",
+          "1.5b-1"
+        ]
+      },
+      "expected_output": [
+        "1.5b-1",
+        "1.5  "
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5b-1\" and \"1.5  \" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5b-1",
+          "1.5  "
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.5b  \" before \"1.5.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5.1",
+          "1.5b  "
+        ]
+      },
+      "expected_output": [
+        "1.5b  ",
+        "1.5.1"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.5b  \" and \"1.5.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.5b  ",
+          "1.5.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.0a\" before \"1.0alpha\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0alpha",
+          "1.0a"
+        ]
+      },
+      "expected_output": [
+        "1.0a",
+        "1.0alpha"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.0a\" and \"1.0alpha\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0a",
+          "1.0alpha"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.0alpha\" before \"1.0b\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0b",
+          "1.0alpha"
+        ]
+      },
+      "expected_output": [
+        "1.0alpha",
+        "1.0b"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.0alpha\" and \"1.0b\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0alpha",
+          "1.0b"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.0b\" before \"1.0beta\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0beta",
+          "1.0b"
+        ]
+      },
+      "expected_output": [
+        "1.0b",
+        "1.0beta"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.0b\" and \"1.0beta\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0b",
+          "1.0beta"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.0beta\" before \"1.0rc\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0rc",
+          "1.0beta"
+        ]
+      },
+      "expected_output": [
+        "1.0beta",
+        "1.0rc"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.0beta\" and \"1.0rc\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0beta",
+          "1.0rc"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Pacman orders \"1.0rc\" before \"1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0",
+          "1.0rc"
+        ]
+      },
+      "expected_output": [
+        "1.0rc",
+        "1.0"
+      ]
+    },
+    {
+      "description": "univers Pacman treats \"1.0rc\" and \"1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "alpm",
+        "versions": [
+          "1.0rc",
+          "1.0"
+        ]
+      },
+      "expected_output": false
+    }
+  ]
+}
diff --git a/testdata/local/tests/apk_univers_version_cmp_test.json b/testdata/local/tests/apk_univers_version_cmp_test.json
new file mode 100644
index 0000000..3721dd4
--- /dev/null
+++ b/testdata/local/tests/apk_univers_version_cmp_test.json
@@ -0,0 +1,19319 @@
+{
+  "$schema": "https://packageurl.org/schemas/vers-test.schema-0.2.json",
+  "tests": [
+    {
+      "description": "univers Alpine orders \"0.1.0_alpha\" before \"2.34\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.34",
+          "0.1.0_alpha"
+        ]
+      },
+      "expected_output": [
+        "0.1.0_alpha",
+        "2.34"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.34\" and \"0.1.0_alpha\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.34",
+          "0.1.0_alpha"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.0_alpha\" before \"0.1.3_alpha\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.3_alpha",
+          "0.1.0_alpha"
+        ]
+      },
+      "expected_output": [
+        "0.1.0_alpha",
+        "0.1.3_alpha"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.0_alpha\" and \"0.1.3_alpha\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.0_alpha",
+          "0.1.3_alpha"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.0_alpha\" before \"0.1.0_alpha2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.0_alpha2",
+          "0.1.0_alpha"
+        ]
+      },
+      "expected_output": [
+        "0.1.0_alpha",
+        "0.1.0_alpha2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.0_alpha2\" and \"0.1.0_alpha\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.0_alpha2",
+          "0.1.0_alpha"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.0_alpha\" before \"2.2.39-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.39-r1",
+          "0.1.0_alpha"
+        ]
+      },
+      "expected_output": [
+        "0.1.0_alpha",
+        "2.2.39-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.0_alpha\" and \"2.2.39-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.0_alpha",
+          "2.2.39-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.4-r3\" before \"2.2.39-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.39-r1",
+          "1.0.4-r3"
+        ]
+      },
+      "expected_output": [
+        "1.0.4-r3",
+        "2.2.39-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.2.39-r1\" and \"1.0.4-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.39-r1",
+          "1.0.4-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.4-r3\" before \"1.0.4-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.4-r4",
+          "1.0.4-r3"
+        ]
+      },
+      "expected_output": [
+        "1.0.4-r3",
+        "1.0.4-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.4-r3\" and \"1.0.4-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.4-r3",
+          "1.0.4-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.4-r4\" before \"1.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6",
+          "1.0.4-r4"
+        ]
+      },
+      "expected_output": [
+        "1.0.4-r4",
+        "1.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.4-r4\" and \"1.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.4-r4",
+          "1.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.2\" before \"1.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "1.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.6\" and \"1.0.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6",
+          "1.0.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7-r1\" before \"1.0.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "0.7-r1"
+        ]
+      },
+      "expected_output": [
+        "0.7-r1",
+        "1.0.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.2\" and \"0.7-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "0.7-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7-r1\" before \"1.0.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.0",
+          "0.7-r1"
+        ]
+      },
+      "expected_output": [
+        "0.7-r1",
+        "1.0.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.7-r1\" and \"1.0.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7-r1",
+          "1.0.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.0\" before \"1.0.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "1.0.0"
+        ]
+      },
+      "expected_output": [
+        "1.0.0",
+        "1.0.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.0\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.0",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1_alpha1\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "1.1_alpha1"
+        ]
+      },
+      "expected_output": [
+        "1.1_alpha1",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1\" and \"1.1_alpha1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "1.1_alpha1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1_alpha1\" before \"1.2.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1",
+          "1.1_alpha1"
+        ]
+      },
+      "expected_output": [
+        "1.1_alpha1",
+        "1.2.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1_alpha1\" and \"1.2.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1_alpha1",
+          "1.2.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2\" before \"1.2.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1",
+          "1.2"
+        ]
+      },
+      "expected_output": [
+        "1.2",
+        "1.2.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.1\" and \"1.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1",
+          "1.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2\" before \"1.3_alpha\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3_alpha",
+          "1.2"
+        ]
+      },
+      "expected_output": [
+        "1.2",
+        "1.3_alpha"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2\" and \"1.3_alpha\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2",
+          "1.3_alpha"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3_alpha\" before \"1.3_alpha2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3_alpha2",
+          "1.3_alpha"
+        ]
+      },
+      "expected_output": [
+        "1.3_alpha",
+        "1.3_alpha2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3_alpha\" and \"1.3_alpha2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3_alpha",
+          "1.3_alpha2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3_alpha2\" before \"1.3_alpha3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3_alpha3",
+          "1.3_alpha2"
+        ]
+      },
+      "expected_output": [
+        "1.3_alpha2",
+        "1.3_alpha3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3_alpha2\" and \"1.3_alpha3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3_alpha2",
+          "1.3_alpha3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6.0\" before \"1.3_alpha8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3_alpha8",
+          "0.6.0"
+        ]
+      },
+      "expected_output": [
+        "0.6.0",
+        "1.3_alpha8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3_alpha8\" and \"0.6.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3_alpha8",
+          "0.6.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6.0\" before \"0.6.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.1",
+          "0.6.0"
+        ]
+      },
+      "expected_output": [
+        "0.6.0",
+        "0.6.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.6.0\" and \"0.6.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.0",
+          "0.6.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6.1\" before \"0.7.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.0",
+          "0.6.1"
+        ]
+      },
+      "expected_output": [
+        "0.6.1",
+        "0.7.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.6.1\" and \"0.7.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.1",
+          "0.7.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7.0\" before \"0.8_beta1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8_beta1",
+          "0.7.0"
+        ]
+      },
+      "expected_output": [
+        "0.7.0",
+        "0.8_beta1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.7.0\" and \"0.8_beta1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.0",
+          "0.8_beta1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8_beta1\" before \"0.8_beta2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8_beta2",
+          "0.8_beta1"
+        ]
+      },
+      "expected_output": [
+        "0.8_beta1",
+        "0.8_beta2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.8_beta1\" and \"0.8_beta2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8_beta1",
+          "0.8_beta2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8_beta4\" before \"4.8-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.8-r1",
+          "0.8_beta4"
+        ]
+      },
+      "expected_output": [
+        "0.8_beta4",
+        "4.8-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.8_beta4\" and \"4.8-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8_beta4",
+          "4.8-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.10.18-r1\" before \"4.8-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.8-r1",
+          "3.10.18-r1"
+        ]
+      },
+      "expected_output": [
+        "3.10.18-r1",
+        "4.8-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.8-r1\" and \"3.10.18-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.8-r1",
+          "3.10.18-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.3.0b-r1\" before \"3.10.18-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.10.18-r1",
+          "2.3.0b-r1"
+        ]
+      },
+      "expected_output": [
+        "2.3.0b-r1",
+        "3.10.18-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.10.18-r1\" and \"2.3.0b-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.10.18-r1",
+          "2.3.0b-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.3.0b-r1\" before \"2.3.0b-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.0b-r2",
+          "2.3.0b-r1"
+        ]
+      },
+      "expected_output": [
+        "2.3.0b-r1",
+        "2.3.0b-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.3.0b-r1\" and \"2.3.0b-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.0b-r1",
+          "2.3.0b-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.3.0b-r2\" before \"2.3.0b-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.0b-r3",
+          "2.3.0b-r2"
+        ]
+      },
+      "expected_output": [
+        "2.3.0b-r2",
+        "2.3.0b-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.3.0b-r2\" and \"2.3.0b-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.0b-r2",
+          "2.3.0b-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.3.0b-r3\" before \"2.3.0b-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.0b-r4",
+          "2.3.0b-r3"
+        ]
+      },
+      "expected_output": [
+        "2.3.0b-r3",
+        "2.3.0b-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.3.0b-r3\" and \"2.3.0b-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.0b-r3",
+          "2.3.0b-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.12.1\" before \"2.3.0b-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.0b-r4",
+          "0.12.1"
+        ]
+      },
+      "expected_output": [
+        "0.12.1",
+        "2.3.0b-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.3.0b-r4\" and \"0.12.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.0b-r4",
+          "0.12.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.12.1\" before \"0.12.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.12.2",
+          "0.12.1"
+        ]
+      },
+      "expected_output": [
+        "0.12.1",
+        "0.12.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.12.1\" and \"0.12.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.12.1",
+          "0.12.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.12.2\" before \"0.12.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.12.3",
+          "0.12.2"
+        ]
+      },
+      "expected_output": [
+        "0.12.2",
+        "0.12.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.12.2\" and \"0.12.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.12.2",
+          "0.12.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.12\" before \"0.12.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.12.3",
+          "0.12"
+        ]
+      },
+      "expected_output": [
+        "0.12",
+        "0.12.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.12.3\" and \"0.12\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.12.3",
+          "0.12"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.12\" before \"0.13_beta1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta1",
+          "0.12"
+        ]
+      },
+      "expected_output": [
+        "0.12",
+        "0.13_beta1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.12\" and \"0.13_beta1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.12",
+          "0.13_beta1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.13_beta1\" before \"0.13_beta2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta2",
+          "0.13_beta1"
+        ]
+      },
+      "expected_output": [
+        "0.13_beta1",
+        "0.13_beta2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.13_beta1\" and \"0.13_beta2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta1",
+          "0.13_beta2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.13_beta2\" before \"0.13_beta3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta3",
+          "0.13_beta2"
+        ]
+      },
+      "expected_output": [
+        "0.13_beta2",
+        "0.13_beta3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.13_beta2\" and \"0.13_beta3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta2",
+          "0.13_beta3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.13_beta3\" before \"0.13_beta4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta4",
+          "0.13_beta3"
+        ]
+      },
+      "expected_output": [
+        "0.13_beta3",
+        "0.13_beta4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.13_beta3\" and \"0.13_beta4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta3",
+          "0.13_beta4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.13_beta4\" before \"0.13_beta5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta5",
+          "0.13_beta4"
+        ]
+      },
+      "expected_output": [
+        "0.13_beta4",
+        "0.13_beta5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.13_beta4\" and \"0.13_beta5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta4",
+          "0.13_beta5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.12\" before \"0.13_beta5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta5",
+          "0.9.12"
+        ]
+      },
+      "expected_output": [
+        "0.9.12",
+        "0.13_beta5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.13_beta5\" and \"0.9.12\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13_beta5",
+          "0.9.12"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.12\" before \"0.9.13\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.13",
+          "0.9.12"
+        ]
+      },
+      "expected_output": [
+        "0.9.12",
+        "0.9.13"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.12\" and \"0.9.13\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.12",
+          "0.9.13"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.0.16\" before \"0.9.13\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.13",
+          "0.0.16"
+        ]
+      },
+      "expected_output": [
+        "0.0.16",
+        "0.9.13"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.13\" and \"0.0.16\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.13",
+          "0.0.16"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.0.16\" before \"0.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6",
+          "0.0.16"
+        ]
+      },
+      "expected_output": [
+        "0.0.16",
+        "0.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.0.16\" and \"0.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.0.16",
+          "0.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6\" before \"2.1.13-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.13-r3",
+          "0.6"
+        ]
+      },
+      "expected_output": [
+        "0.6",
+        "2.1.13-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.6\" and \"2.1.13-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6",
+          "2.1.13-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.1.13-r3\" before \"2.1.15-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.15-r2",
+          "2.1.13-r3"
+        ]
+      },
+      "expected_output": [
+        "2.1.13-r3",
+        "2.1.15-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1.13-r3\" and \"2.1.15-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.13-r3",
+          "2.1.15-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.1.15-r2\" before \"2.1.15-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.15-r3",
+          "2.1.15-r2"
+        ]
+      },
+      "expected_output": [
+        "2.1.15-r2",
+        "2.1.15-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1.15-r2\" and \"2.1.15-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.15-r2",
+          "2.1.15-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.11\" before \"2.1.15-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.15-r3",
+          "1.2.11"
+        ]
+      },
+      "expected_output": [
+        "1.2.11",
+        "2.1.15-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1.15-r3\" and \"1.2.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.15-r3",
+          "1.2.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.11\" before \"1.2.12.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.12.1",
+          "1.2.11"
+        ]
+      },
+      "expected_output": [
+        "1.2.11",
+        "1.2.12.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.11\" and \"1.2.12.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.11",
+          "1.2.12.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.12.1\" before \"1.2.13\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.13",
+          "1.2.12.1"
+        ]
+      },
+      "expected_output": [
+        "1.2.12.1",
+        "1.2.13"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.12.1\" and \"1.2.13\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.12.1",
+          "1.2.13"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.13\" before \"1.2.14-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.14-r1",
+          "1.2.13"
+        ]
+      },
+      "expected_output": [
+        "1.2.13",
+        "1.2.14-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.13\" and \"1.2.14-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.13",
+          "1.2.14-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7.1\" before \"1.2.14-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.14-r1",
+          "0.7.1"
+        ]
+      },
+      "expected_output": [
+        "0.7.1",
+        "1.2.14-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.14-r1\" and \"0.7.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.14-r1",
+          "0.7.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.5.4\" before \"0.7.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.1",
+          "0.5.4"
+        ]
+      },
+      "expected_output": [
+        "0.5.4",
+        "0.7.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.7.1\" and \"0.5.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.1",
+          "0.5.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.5.4\" before \"0.7.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.0",
+          "0.5.4"
+        ]
+      },
+      "expected_output": [
+        "0.5.4",
+        "0.7.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.5.4\" and \"0.7.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5.4",
+          "0.7.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7.0\" before \"1.2.13\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.13",
+          "0.7.0"
+        ]
+      },
+      "expected_output": [
+        "0.7.0",
+        "1.2.13"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.7.0\" and \"1.2.13\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.0",
+          "1.2.13"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.8\" before \"1.2.13\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.13",
+          "1.0.8"
+        ]
+      },
+      "expected_output": [
+        "1.0.8",
+        "1.2.13"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.13\" and \"1.0.8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.13",
+          "1.0.8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.8\" before \"1.2.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1",
+          "1.0.8"
+        ]
+      },
+      "expected_output": [
+        "1.0.8",
+        "1.2.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.8\" and \"1.2.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.8",
+          "1.2.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7-r1\" before \"1.2.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1",
+          "0.7-r1"
+        ]
+      },
+      "expected_output": [
+        "0.7-r1",
+        "1.2.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.1\" and \"0.7-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1",
+          "0.7-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7-r1\" before \"2.4.32\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.32",
+          "0.7-r1"
+        ]
+      },
+      "expected_output": [
+        "0.7-r1",
+        "2.4.32"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.7-r1\" and \"2.4.32\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7-r1",
+          "2.4.32"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.4.32\" before \"2.8-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8-r4",
+          "2.4.32"
+        ]
+      },
+      "expected_output": [
+        "2.4.32",
+        "2.8-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.4.32\" and \"2.8-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.32",
+          "2.8-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.6\" before \"2.8-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8-r4",
+          "0.9.6"
+        ]
+      },
+      "expected_output": [
+        "0.9.6",
+        "2.8-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.8-r4\" and \"0.9.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8-r4",
+          "0.9.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.0-r1\" before \"0.9.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.6",
+          "0.2.0-r1"
+        ]
+      },
+      "expected_output": [
+        "0.2.0-r1",
+        "0.9.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.6\" and \"0.2.0-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.6",
+          "0.2.0-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.0-r1\" before \"3.1_p16\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.1_p16",
+          "0.2.0-r1"
+        ]
+      },
+      "expected_output": [
+        "0.2.0-r1",
+        "3.1_p16"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2.0-r1\" and \"3.1_p16\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.0-r1",
+          "3.1_p16"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.1_p16\" before \"3.1_p17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.1_p17",
+          "3.1_p16"
+        ]
+      },
+      "expected_output": [
+        "3.1_p16",
+        "3.1_p17"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.1_p16\" and \"3.1_p17\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.1_p16",
+          "3.1_p17"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.06-r6\" before \"3.1_p17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.1_p17",
+          "1.06-r6"
+        ]
+      },
+      "expected_output": [
+        "1.06-r6",
+        "3.1_p17"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.1_p17\" and \"1.06-r6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.1_p17",
+          "1.06-r6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.0\" before \"1.2.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2-r1",
+          "1.0.0"
+        ]
+      },
+      "expected_output": [
+        "1.0.0",
+        "1.2.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.0\" and \"1.2.2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.0",
+          "1.2.2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.2\" before \"1.2.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2-r1",
+          "1.2.2"
+        ]
+      },
+      "expected_output": [
+        "1.2.2",
+        "1.2.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.2-r1\" and \"1.2.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2-r1",
+          "1.2.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3-r1\" before \"1.2.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2",
+          "0.3-r1"
+        ]
+      },
+      "expected_output": [
+        "0.3-r1",
+        "1.2.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.2\" and \"0.3-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2",
+          "0.3-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3-r1\" before \"9.3.2-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9.3.2-r4",
+          "0.3-r1"
+        ]
+      },
+      "expected_output": [
+        "0.3-r1",
+        "9.3.2-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.3-r1\" and \"9.3.2-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3-r1",
+          "9.3.2-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"9.3.2-r4\" before \"9.3.4-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9.3.4-r2",
+          "9.3.2-r4"
+        ]
+      },
+      "expected_output": [
+        "9.3.2-r4",
+        "9.3.4-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"9.3.2-r4\" and \"9.3.4-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9.3.2-r4",
+          "9.3.4-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"9.3.4\" before \"9.3.4-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9.3.4-r2",
+          "9.3.4"
+        ]
+      },
+      "expected_output": [
+        "9.3.4",
+        "9.3.4-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"9.3.4-r2\" and \"9.3.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9.3.4-r2",
+          "9.3.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"9.3.2\" before \"9.3.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9.3.4",
+          "9.3.2"
+        ]
+      },
+      "expected_output": [
+        "9.3.2",
+        "9.3.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"9.3.4\" and \"9.3.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9.3.4",
+          "9.3.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.3\" before \"9.3.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9.3.4",
+          "1.1.3"
+        ]
+      },
+      "expected_output": [
+        "1.1.3",
+        "9.3.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"9.3.4\" and \"1.1.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9.3.4",
+          "1.1.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.3\" before \"2.16.1-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.16.1-r3",
+          "1.1.3"
+        ]
+      },
+      "expected_output": [
+        "1.1.3",
+        "2.16.1-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.3\" and \"2.16.1-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.3",
+          "2.16.1-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.1.0-r2\" before \"2.16.1-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.16.1-r3",
+          "2.1.0-r2"
+        ]
+      },
+      "expected_output": [
+        "2.1.0-r2",
+        "2.16.1-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.16.1-r3\" and \"2.1.0-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.16.1-r3",
+          "2.1.0-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.1.0-r2\" before \"2.9.3-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.3-r1",
+          "2.1.0-r2"
+        ]
+      },
+      "expected_output": [
+        "2.1.0-r2",
+        "2.9.3-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1.0-r2\" and \"2.9.3-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.0-r2",
+          "2.9.3-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9-r1\" before \"2.9.3-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.3-r1",
+          "0.9-r1"
+        ]
+      },
+      "expected_output": [
+        "0.9-r1",
+        "2.9.3-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.9.3-r1\" and \"0.9-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.3-r1",
+          "0.9-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8-r1\" before \"0.9-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9-r1",
+          "0.8-r1"
+        ]
+      },
+      "expected_output": [
+        "0.8-r1",
+        "0.9-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9-r1\" and \"0.8-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9-r1",
+          "0.8-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8-r1\" before \"1.0.6-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.6-r3",
+          "0.8-r1"
+        ]
+      },
+      "expected_output": [
+        "0.8-r1",
+        "1.0.6-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.8-r1\" and \"1.0.6-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8-r1",
+          "1.0.6-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.11\" before \"1.0.6-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.6-r3",
+          "0.11"
+        ]
+      },
+      "expected_output": [
+        "0.11",
+        "1.0.6-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.6-r3\" and \"0.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.6-r3",
+          "0.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.11\" before \"0.12\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.12",
+          "0.11"
+        ]
+      },
+      "expected_output": [
+        "0.11",
+        "0.12"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.11\" and \"0.12\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.11",
+          "0.12"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.12\" before \"1.2.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1-r1",
+          "0.12"
+        ]
+      },
+      "expected_output": [
+        "0.12",
+        "1.2.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.12\" and \"1.2.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.12",
+          "1.2.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.1-r1\" before \"1.2.2.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2.1",
+          "1.2.1-r1"
+        ]
+      },
+      "expected_output": [
+        "1.2.1-r1",
+        "1.2.2.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.1-r1\" and \"1.2.2.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1-r1",
+          "1.2.2.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.2.1\" before \"1.4.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.1-r1",
+          "1.2.2.1"
+        ]
+      },
+      "expected_output": [
+        "1.2.2.1",
+        "1.4.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.2.1\" and \"1.4.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2.1",
+          "1.4.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.4.1-r1\" before \"1.4.1-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.1-r2",
+          "1.4.1-r1"
+        ]
+      },
+      "expected_output": [
+        "1.4.1-r1",
+        "1.4.1-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.4.1-r1\" and \"1.4.1-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.1-r1",
+          "1.4.1-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.2\" before \"1.4.1-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.1-r2",
+          "1.2.2"
+        ]
+      },
+      "expected_output": [
+        "1.2.2",
+        "1.4.1-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.4.1-r2\" and \"1.2.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.1-r2",
+          "1.2.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.2\" before \"1.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3",
+          "1.2.2"
+        ]
+      },
+      "expected_output": [
+        "1.2.2",
+        "1.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.2\" and \"1.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2",
+          "1.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.3-r6\" before \"1.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3",
+          "1.0.3-r6"
+        ]
+      },
+      "expected_output": [
+        "1.0.3-r6",
+        "1.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3\" and \"1.0.3-r6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3",
+          "1.0.3-r6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.3-r6\" before \"1.0.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.4",
+          "1.0.3-r6"
+        ]
+      },
+      "expected_output": [
+        "1.0.3-r6",
+        "1.0.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.3-r6\" and \"1.0.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.3-r6",
+          "1.0.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.4\" before \"2.59\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.59",
+          "1.0.4"
+        ]
+      },
+      "expected_output": [
+        "1.0.4",
+        "2.59"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.4\" and \"2.59\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.4",
+          "2.59"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.59\" before \"20050718-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20050718-r1",
+          "2.59"
+        ]
+      },
+      "expected_output": [
+        "2.59",
+        "20050718-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.59\" and \"20050718-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.59",
+          "20050718-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"20050718-r1\" before \"20050718-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20050718-r2",
+          "20050718-r1"
+        ]
+      },
+      "expected_output": [
+        "20050718-r1",
+        "20050718-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20050718-r1\" and \"20050718-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20050718-r1",
+          "20050718-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.9.8-r5\" before \"20050718-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20050718-r2",
+          "3.9.8-r5"
+        ]
+      },
+      "expected_output": [
+        "3.9.8-r5",
+        "20050718-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20050718-r2\" and \"3.9.8-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20050718-r2",
+          "3.9.8-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.01.01_alpha10\" before \"3.9.8-r5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.8-r5",
+          "2.01.01_alpha10"
+        ]
+      },
+      "expected_output": [
+        "2.01.01_alpha10",
+        "3.9.8-r5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.9.8-r5\" and \"2.01.01_alpha10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.8-r5",
+          "2.01.01_alpha10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.94\" before \"2.01.01_alpha10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.01.01_alpha10",
+          "0.94"
+        ]
+      },
+      "expected_output": [
+        "0.94",
+        "2.01.01_alpha10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.01.01_alpha10\" and \"0.94\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.01.01_alpha10",
+          "0.94"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.94\" before \"1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0",
+          "0.94"
+        ]
+      },
+      "expected_output": [
+        "0.94",
+        "1.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.94\" and \"1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.94",
+          "1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.99.3.20040818\" before \"1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0",
+          "0.99.3.20040818"
+        ]
+      },
+      "expected_output": [
+        "0.99.3.20040818",
+        "1.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0\" and \"0.99.3.20040818\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0",
+          "0.99.3.20040818"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7\" before \"0.99.3.20040818\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.99.3.20040818",
+          "0.7"
+        ]
+      },
+      "expected_output": [
+        "0.7",
+        "0.99.3.20040818"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.99.3.20040818\" and \"0.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.99.3.20040818",
+          "0.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7\" before \"1.21-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.21-r1",
+          "0.7"
+        ]
+      },
+      "expected_output": [
+        "0.7",
+        "1.21-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.7\" and \"1.21-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7",
+          "1.21-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.13\" before \"1.21-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.21-r1",
+          "0.13"
+        ]
+      },
+      "expected_output": [
+        "0.13",
+        "1.21-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.21-r1\" and \"0.13\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.21-r1",
+          "0.13"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.13\" before \"0.90.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.90.1-r1",
+          "0.13"
+        ]
+      },
+      "expected_output": [
+        "0.13",
+        "0.90.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.13\" and \"0.90.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.13",
+          "0.90.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.10.2\" before \"0.90.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.90.1-r1",
+          "0.10.2"
+        ]
+      },
+      "expected_output": [
+        "0.10.2",
+        "0.90.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.90.1-r1\" and \"0.10.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.90.1-r1",
+          "0.10.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.10.2\" before \"0.10.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.10.3",
+          "0.10.2"
+        ]
+      },
+      "expected_output": [
+        "0.10.2",
+        "0.10.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.10.2\" and \"0.10.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.10.2",
+          "0.10.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.10.3\" before \"1.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6",
+          "0.10.3"
+        ]
+      },
+      "expected_output": [
+        "0.10.3",
+        "1.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.10.3\" and \"1.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.10.3",
+          "1.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.6\" before \"1.39\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.39",
+          "1.6"
+        ]
+      },
+      "expected_output": [
+        "1.6",
+        "1.39"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.6\" and \"1.39\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6",
+          "1.39"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.00_beta2\" before \"1.39\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.39",
+          "1.00_beta2"
+        ]
+      },
+      "expected_output": [
+        "1.00_beta2",
+        "1.39"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.39\" and \"1.00_beta2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.39",
+          "1.00_beta2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.2\" before \"1.00_beta2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.00_beta2",
+          "0.9.2"
+        ]
+      },
+      "expected_output": [
+        "0.9.2",
+        "1.00_beta2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.00_beta2\" and \"0.9.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.00_beta2",
+          "0.9.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.2\" before \"5.94-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.94-r1",
+          "0.9.2"
+        ]
+      },
+      "expected_output": [
+        "0.9.2",
+        "5.94-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.2\" and \"5.94-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.2",
+          "5.94-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.94-r1\" before \"6.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.4",
+          "5.94-r1"
+        ]
+      },
+      "expected_output": [
+        "5.94-r1",
+        "6.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.94-r1\" and \"6.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.94-r1",
+          "6.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6-r5\" before \"6.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.4",
+          "2.6-r5"
+        ]
+      },
+      "expected_output": [
+        "2.6-r5",
+        "6.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6.4\" and \"2.6-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.4",
+          "2.6-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.4\" before \"2.6-r5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6-r5",
+          "1.4"
+        ]
+      },
+      "expected_output": [
+        "1.4",
+        "2.6-r5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6-r5\" and \"1.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6-r5",
+          "1.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.4\" before \"2.8.9-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.9-r1",
+          "1.4"
+        ]
+      },
+      "expected_output": [
+        "1.4",
+        "2.8.9-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.4\" and \"2.8.9-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4",
+          "2.8.9-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.8.9\" before \"2.8.9-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.9-r1",
+          "2.8.9"
+        ]
+      },
+      "expected_output": [
+        "2.8.9",
+        "2.8.9-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.8.9-r1\" and \"2.8.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.9-r1",
+          "2.8.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1\" before \"2.8.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.9",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "2.8.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.8.9\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.9",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.3-r2\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "1.0.3-r2"
+        ]
+      },
+      "expected_output": [
+        "1.0.3-r2",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1\" and \"1.0.3-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "1.0.3-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.3-r2\" before \"1.3.4-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.4-r3",
+          "1.0.3-r2"
+        ]
+      },
+      "expected_output": [
+        "1.0.3-r2",
+        "1.3.4-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.3-r2\" and \"1.3.4-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.3-r2",
+          "1.3.4-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.4-r3\" before \"2.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2",
+          "1.3.4-r3"
+        ]
+      },
+      "expected_output": [
+        "1.3.4-r3",
+        "2.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.4-r3\" and \"2.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.4-r3",
+          "2.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.6\" before \"2.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2",
+          "1.2.6"
+        ]
+      },
+      "expected_output": [
+        "1.2.6",
+        "2.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.2\" and \"1.2.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2",
+          "1.2.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.6\" before \"7.15.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.15.1-r1",
+          "1.2.6"
+        ]
+      },
+      "expected_output": [
+        "1.2.6",
+        "7.15.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.6\" and \"7.15.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.6",
+          "7.15.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.02\" before \"7.15.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.15.1-r1",
+          "1.02"
+        ]
+      },
+      "expected_output": [
+        "1.02",
+        "7.15.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"7.15.1-r1\" and \"1.02\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.15.1-r1",
+          "1.02"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.02\" before \"1.03-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.03-r1",
+          "1.02"
+        ]
+      },
+      "expected_output": [
+        "1.02",
+        "1.03-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.02\" and \"1.03-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.02",
+          "1.03-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.03-r1\" before \"1.12.12-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.12.12-r2",
+          "1.03-r1"
+        ]
+      },
+      "expected_output": [
+        "1.03-r1",
+        "1.12.12-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.03-r1\" and \"1.12.12-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.03-r1",
+          "1.12.12-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.12.12-r2\" before \"2.8.0.6-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.0.6-r1",
+          "1.12.12-r2"
+        ]
+      },
+      "expected_output": [
+        "1.12.12-r2",
+        "2.8.0.6-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.12.12-r2\" and \"2.8.0.6-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.12.12-r2",
+          "2.8.0.6-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.5.2.7\" before \"2.8.0.6-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.0.6-r1",
+          "0.5.2.7"
+        ]
+      },
+      "expected_output": [
+        "0.5.2.7",
+        "2.8.0.6-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.8.0.6-r1\" and \"0.5.2.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.0.6-r1",
+          "0.5.2.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.5.2.7\" before \"4.2.52_p2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.52_p2-r1",
+          "0.5.2.7"
+        ]
+      },
+      "expected_output": [
+        "0.5.2.7",
+        "4.2.52_p2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.5.2.7\" and \"4.2.52_p2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5.2.7",
+          "4.2.52_p2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.2.52_p2-r1\" before \"4.2.52_p4-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.52_p4-r2",
+          "4.2.52_p2-r1"
+        ]
+      },
+      "expected_output": [
+        "4.2.52_p2-r1",
+        "4.2.52_p4-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.2.52_p2-r1\" and \"4.2.52_p4-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.52_p2-r1",
+          "4.2.52_p4-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.02.07\" before \"4.2.52_p4-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.52_p4-r2",
+          "1.02.07"
+        ]
+      },
+      "expected_output": [
+        "1.02.07",
+        "4.2.52_p4-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.2.52_p4-r2\" and \"1.02.07\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.52_p4-r2",
+          "1.02.07"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.02.07\" before \"1.02.10-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.02.10-r1",
+          "1.02.07"
+        ]
+      },
+      "expected_output": [
+        "1.02.07",
+        "1.02.10-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.02.07\" and \"1.02.10-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.02.07",
+          "1.02.10-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.02.10-r1\" before \"3.0.3-r9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.3-r9",
+          "1.02.10-r1"
+        ]
+      },
+      "expected_output": [
+        "1.02.10-r1",
+        "3.0.3-r9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.02.10-r1\" and \"3.0.3-r9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.02.10-r1",
+          "3.0.3-r9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.0.5-r1\" before \"3.0.3-r9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.3-r9",
+          "2.0.5-r1"
+        ]
+      },
+      "expected_output": [
+        "2.0.5-r1",
+        "3.0.3-r9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.0.3-r9\" and \"2.0.5-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.3-r9",
+          "2.0.5-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.0.5-r1\" before \"4.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5",
+          "2.0.5-r1"
+        ]
+      },
+      "expected_output": [
+        "2.0.5-r1",
+        "4.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.5-r1\" and \"4.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.5-r1",
+          "4.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.8.7-r1\" before \"4.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5",
+          "2.8.7-r1"
+        ]
+      },
+      "expected_output": [
+        "2.8.7-r1",
+        "4.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.5\" and \"2.8.7-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5",
+          "2.8.7-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.5\" before \"2.8.7-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.7-r1",
+          "1.0.5"
+        ]
+      },
+      "expected_output": [
+        "1.0.5",
+        "2.8.7-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.8.7-r1\" and \"1.0.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.7-r1",
+          "1.0.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.5\" before \"8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8",
+          "1.0.5"
+        ]
+      },
+      "expected_output": [
+        "1.0.5",
+        "8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.5\" and \"8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.5",
+          "8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"8\" before \"9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9",
+          "8"
+        ]
+      },
+      "expected_output": [
+        "8",
+        "9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"8\" and \"9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8",
+          "9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.18.3-r10\" before \"9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9",
+          "2.18.3-r10"
+        ]
+      },
+      "expected_output": [
+        "2.18.3-r10",
+        "9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"9\" and \"2.18.3-r10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "9",
+          "2.18.3-r10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.05-r18\" before \"2.18.3-r10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.18.3-r10",
+          "1.05-r18"
+        ]
+      },
+      "expected_output": [
+        "1.05-r18",
+        "2.18.3-r10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.18.3-r10\" and \"1.05-r18\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.18.3-r10",
+          "1.05-r18"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.05-r18\" before \"1.05-r19\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.05-r19",
+          "1.05-r18"
+        ]
+      },
+      "expected_output": [
+        "1.05-r18",
+        "1.05-r19"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.05-r18\" and \"1.05-r19\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.05-r18",
+          "1.05-r19"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.05-r19\" before \"2.2.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.5",
+          "1.05-r19"
+        ]
+      },
+      "expected_output": [
+        "1.05-r19",
+        "2.2.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.05-r19\" and \"2.2.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.05-r19",
+          "2.2.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.2.5\" before \"2.8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8",
+          "2.2.5"
+        ]
+      },
+      "expected_output": [
+        "2.2.5",
+        "2.8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.2.5\" and \"2.8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.5",
+          "2.8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.8\" before \"2.20.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.20.1",
+          "2.8"
+        ]
+      },
+      "expected_output": [
+        "2.8",
+        "2.20.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.8\" and \"2.20.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8",
+          "2.20.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.20.1\" before \"2.20.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.20.3",
+          "2.20.1"
+        ]
+      },
+      "expected_output": [
+        "2.20.1",
+        "2.20.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.20.1\" and \"2.20.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.20.1",
+          "2.20.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.20.3\" before \"2.31\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.31",
+          "2.20.3"
+        ]
+      },
+      "expected_output": [
+        "2.20.3",
+        "2.31"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.20.3\" and \"2.31\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.20.3",
+          "2.31"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.31\" before \"2.34\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.34",
+          "2.31"
+        ]
+      },
+      "expected_output": [
+        "2.31",
+        "2.34"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.31\" and \"2.34\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.31",
+          "2.34"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.34\" before \"2.38\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.38",
+          "2.34"
+        ]
+      },
+      "expected_output": [
+        "2.34",
+        "2.38"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.34\" and \"2.38\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.34",
+          "2.38"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.38\" before \"20050405\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20050405",
+          "2.38"
+        ]
+      },
+      "expected_output": [
+        "2.38",
+        "20050405"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.38\" and \"20050405\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.38",
+          "20050405"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.8\" before \"20050405\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20050405",
+          "1.8"
+        ]
+      },
+      "expected_output": [
+        "1.8",
+        "20050405"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20050405\" and \"1.8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20050405",
+          "1.8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.8\" before \"2.11-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.11-r1",
+          "1.8"
+        ]
+      },
+      "expected_output": [
+        "1.8",
+        "2.11-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.8\" and \"2.11-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8",
+          "2.11-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.11\" before \"2.11-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.11-r1",
+          "2.11"
+        ]
+      },
+      "expected_output": [
+        "2.11",
+        "2.11-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.11-r1\" and \"2.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.11-r1",
+          "2.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.6-r3\" before \"2.11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.11",
+          "0.1.6-r3"
+        ]
+      },
+      "expected_output": [
+        "0.1.6-r3",
+        "2.11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.11\" and \"0.1.6-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.11",
+          "0.1.6-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.6-r3\" before \"0.47-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.47-r1",
+          "0.1.6-r3"
+        ]
+      },
+      "expected_output": [
+        "0.1.6-r3",
+        "0.47-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.6-r3\" and \"0.47-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.6-r3",
+          "0.47-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.47-r1\" before \"0.49\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.49",
+          "0.47-r1"
+        ]
+      },
+      "expected_output": [
+        "0.47-r1",
+        "0.49"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.47-r1\" and \"0.49\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.47-r1",
+          "0.49"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.49\" before \"3.6.8-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.6.8-r2",
+          "0.49"
+        ]
+      },
+      "expected_output": [
+        "0.49",
+        "3.6.8-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.49\" and \"3.6.8-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.49",
+          "3.6.8-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.39\" before \"3.6.8-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.6.8-r2",
+          "1.39"
+        ]
+      },
+      "expected_output": [
+        "1.39",
+        "3.6.8-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.6.8-r2\" and \"1.39\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.6.8-r2",
+          "1.39"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.39\" before \"2.43\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.43",
+          "1.39"
+        ]
+      },
+      "expected_output": [
+        "1.39",
+        "2.43"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.39\" and \"2.43\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.39",
+          "2.43"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.0.6-r1\" before \"2.43\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.43",
+          "2.0.6-r1"
+        ]
+      },
+      "expected_output": [
+        "2.0.6-r1",
+        "2.43"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.43\" and \"2.0.6-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.43",
+          "2.0.6-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2-r6\" before \"2.0.6-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.6-r1",
+          "0.2-r6"
+        ]
+      },
+      "expected_output": [
+        "0.2-r6",
+        "2.0.6-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.6-r1\" and \"0.2-r6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.6-r1",
+          "0.2-r6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2-r6\" before \"0.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.4",
+          "0.2-r6"
+        ]
+      },
+      "expected_output": [
+        "0.2-r6",
+        "0.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2-r6\" and \"0.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2-r6",
+          "0.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.4\" before \"1.0.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.0",
+          "0.4"
+        ]
+      },
+      "expected_output": [
+        "0.4",
+        "1.0.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.4\" and \"1.0.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.4",
+          "1.0.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.0\" before \"10-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "10-r1",
+          "1.0.0"
+        ]
+      },
+      "expected_output": [
+        "1.0.0",
+        "10-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.0\" and \"10-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.0",
+          "10-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4\" before \"10-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "10-r1",
+          "4"
+        ]
+      },
+      "expected_output": [
+        "4",
+        "10-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"10-r1\" and \"4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "10-r1",
+          "4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7.3-r2\" before \"4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4",
+          "0.7.3-r2"
+        ]
+      },
+      "expected_output": [
+        "0.7.3-r2",
+        "4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4\" and \"0.7.3-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4",
+          "0.7.3-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7.3\" before \"0.7.3-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.3-r2",
+          "0.7.3"
+        ]
+      },
+      "expected_output": [
+        "0.7.3",
+        "0.7.3-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.7.3-r2\" and \"0.7.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.3-r2",
+          "0.7.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7.3\" before \"1.95.8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.95.8",
+          "0.7.3"
+        ]
+      },
+      "expected_output": [
+        "0.7.3",
+        "1.95.8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.7.3\" and \"1.95.8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.3",
+          "1.95.8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.19\" before \"1.95.8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.95.8",
+          "1.1.19"
+        ]
+      },
+      "expected_output": [
+        "1.1.19",
+        "1.95.8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.95.8\" and \"1.1.19\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.95.8",
+          "1.1.19"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.5\" before \"1.1.19\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.19",
+          "1.1.5"
+        ]
+      },
+      "expected_output": [
+        "1.1.5",
+        "1.1.19"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.19\" and \"1.1.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.19",
+          "1.1.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.5\" before \"6.3.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.3.2-r1",
+          "1.1.5"
+        ]
+      },
+      "expected_output": [
+        "1.1.5",
+        "6.3.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.5\" and \"6.3.2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.5",
+          "6.3.2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"6.3.2-r1\" before \"6.3.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.3.3",
+          "6.3.2-r1"
+        ]
+      },
+      "expected_output": [
+        "6.3.2-r1",
+        "6.3.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6.3.2-r1\" and \"6.3.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.3.2-r1",
+          "6.3.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.17-r1\" before \"6.3.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.3.3",
+          "4.17-r1"
+        ]
+      },
+      "expected_output": [
+        "4.17-r1",
+        "6.3.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6.3.3\" and \"4.17-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.3.3",
+          "4.17-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.17-r1\" before \"4.18\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.18",
+          "4.17-r1"
+        ]
+      },
+      "expected_output": [
+        "4.17-r1",
+        "4.18"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.17-r1\" and \"4.18\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.17-r1",
+          "4.18"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.18\" before \"4.19\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.19",
+          "4.18"
+        ]
+      },
+      "expected_output": [
+        "4.18",
+        "4.19"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.18\" and \"4.19\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.18",
+          "4.19"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.3.0\" before \"4.19\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.19",
+          "4.3.0"
+        ]
+      },
+      "expected_output": [
+        "4.3.0",
+        "4.19"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.19\" and \"4.3.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.19",
+          "4.3.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.3.0\" before \"4.3.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3.2-r1",
+          "4.3.0"
+        ]
+      },
+      "expected_output": [
+        "4.3.0",
+        "4.3.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.3.0\" and \"4.3.2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3.0",
+          "4.3.2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.3.2\" before \"4.3.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3.2-r1",
+          "4.3.2"
+        ]
+      },
+      "expected_output": [
+        "4.3.2",
+        "4.3.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.3.2-r1\" and \"4.3.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3.2-r1",
+          "4.3.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.68-r3\" before \"4.3.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3.2",
+          "0.68-r3"
+        ]
+      },
+      "expected_output": [
+        "0.68-r3",
+        "4.3.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.3.2\" and \"0.68-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3.2",
+          "0.68-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.68-r3\" before \"1.0.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.0",
+          "0.68-r3"
+        ]
+      },
+      "expected_output": [
+        "0.68-r3",
+        "1.0.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.68-r3\" and \"1.0.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.68-r3",
+          "1.0.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"2.3.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.2-r1",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "2.3.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"2.3.2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "2.3.2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.3.2-r1\" before \"2.4.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.2",
+          "2.3.2-r1"
+        ]
+      },
+      "expected_output": [
+        "2.3.2-r1",
+        "2.4.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.3.2-r1\" and \"2.4.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.2-r1",
+          "2.4.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.4.2\" before \"20060720\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20060720",
+          "2.4.2"
+        ]
+      },
+      "expected_output": [
+        "2.4.2",
+        "20060720"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.4.2\" and \"20060720\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.2",
+          "20060720"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.0.20060720\" before \"20060720\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20060720",
+          "3.0.20060720"
+        ]
+      },
+      "expected_output": [
+        "3.0.20060720",
+        "20060720"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20060720\" and \"3.0.20060720\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20060720",
+          "3.0.20060720"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1\" before \"20060720\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20060720",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "20060720"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20060720\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20060720",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1\" before \"1.1.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1-r1",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "1.1.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1\" and \"1.1.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "1.1.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.1-r1\" before \"1.1.3-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.3-r1",
+          "1.1.1-r1"
+        ]
+      },
+      "expected_output": [
+        "1.1.1-r1",
+        "1.1.3-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.1-r1\" and \"1.1.3-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1-r1",
+          "1.1.3-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.3-r1\" before \"1.1.3-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.3-r2",
+          "1.1.3-r1"
+        ]
+      },
+      "expected_output": [
+        "1.1.3-r1",
+        "1.1.3-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.3-r1\" and \"1.1.3-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.3-r1",
+          "1.1.3-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.3-r2\" before \"2.1.10-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.10-r2",
+          "1.1.3-r2"
+        ]
+      },
+      "expected_output": [
+        "1.1.3-r2",
+        "2.1.10-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.3-r2\" and \"2.1.10-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.3-r2",
+          "2.1.10-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7.18-r2\" before \"2.1.10-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.10-r2",
+          "0.7.18-r2"
+        ]
+      },
+      "expected_output": [
+        "0.7.18-r2",
+        "2.1.10-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1.10-r2\" and \"0.7.18-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.10-r2",
+          "0.7.18-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7.18-r2\" before \"0.17-r6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.17-r6",
+          "0.7.18-r2"
+        ]
+      },
+      "expected_output": [
+        "0.7.18-r2",
+        "0.17-r6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.7.18-r2\" and \"0.17-r6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.18-r2",
+          "0.17-r6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.17-r6\" before \"2.6.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1",
+          "0.17-r6"
+        ]
+      },
+      "expected_output": [
+        "0.17-r6",
+        "2.6.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.17-r6\" and \"2.6.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.17-r6",
+          "2.6.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.1\" before \"2.6.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.3",
+          "2.6.1"
+        ]
+      },
+      "expected_output": [
+        "2.6.1",
+        "2.6.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.1\" and \"2.6.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1",
+          "2.6.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.3\" before \"3.1.5-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.1.5-r2",
+          "2.6.3"
+        ]
+      },
+      "expected_output": [
+        "2.6.3",
+        "3.1.5-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.3\" and \"3.1.5-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.3",
+          "3.1.5-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.1.5-r2\" before \"3.4.6-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.4.6-r1",
+          "3.1.5-r2"
+        ]
+      },
+      "expected_output": [
+        "3.1.5-r2",
+        "3.4.6-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.1.5-r2\" and \"3.4.6-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.1.5-r2",
+          "3.4.6-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.4.6-r1\" before \"3.4.6-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.4.6-r2",
+          "3.4.6-r1"
+        ]
+      },
+      "expected_output": [
+        "3.4.6-r1",
+        "3.4.6-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.4.6-r1\" and \"3.4.6-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.4.6-r1",
+          "3.4.6-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.0.33\" before \"3.4.6-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.4.6-r2",
+          "2.0.33"
+        ]
+      },
+      "expected_output": [
+        "2.0.33",
+        "3.4.6-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.4.6-r2\" and \"2.0.33\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.4.6-r2",
+          "2.0.33"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.0.33\" before \"2.0.34\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.34",
+          "2.0.33"
+        ]
+      },
+      "expected_output": [
+        "2.0.33",
+        "2.0.34"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.33\" and \"2.0.34\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.33",
+          "2.0.34"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.8.3-r2\" before \"2.0.34\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.34",
+          "1.8.3-r2"
+        ]
+      },
+      "expected_output": [
+        "1.8.3-r2",
+        "2.0.34"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.34\" and \"1.8.3-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.34",
+          "1.8.3-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.8.3-r2\" before \"1.8.3-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8.3-r3",
+          "1.8.3-r2"
+        ]
+      },
+      "expected_output": [
+        "1.8.3-r2",
+        "1.8.3-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.8.3-r2\" and \"1.8.3-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8.3-r2",
+          "1.8.3-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.8.3-r3\" before \"4.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1",
+          "1.8.3-r3"
+        ]
+      },
+      "expected_output": [
+        "1.8.3-r3",
+        "4.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.8.3-r3\" and \"4.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8.3-r3",
+          "4.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.1\" before \"8.54\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.54",
+          "4.1"
+        ]
+      },
+      "expected_output": [
+        "4.1",
+        "8.54"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.1\" and \"8.54\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1",
+          "8.54"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.1.4\" before \"8.54\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.54",
+          "4.1.4"
+        ]
+      },
+      "expected_output": [
+        "4.1.4",
+        "8.54"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"8.54\" and \"4.1.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.54",
+          "4.1.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.10-r5\" before \"4.1.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.4",
+          "1.2.10-r5"
+        ]
+      },
+      "expected_output": [
+        "1.2.10-r5",
+        "4.1.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.1.4\" and \"1.2.10-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.4",
+          "1.2.10-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.10-r5\" before \"4.1.4-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.4-r3",
+          "1.2.10-r5"
+        ]
+      },
+      "expected_output": [
+        "1.2.10-r5",
+        "4.1.4-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.10-r5\" and \"4.1.4-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.10-r5",
+          "4.1.4-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.1.4-r3\" before \"4.2.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.1",
+          "4.1.4-r3"
+        ]
+      },
+      "expected_output": [
+        "4.1.4-r3",
+        "4.2.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.1.4-r3\" and \"4.2.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.4-r3",
+          "4.2.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.1.0\" before \"4.2.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.1",
+          "4.1.0"
+        ]
+      },
+      "expected_output": [
+        "4.1.0",
+        "4.2.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.2.1\" and \"4.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.1",
+          "4.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.1.0\" before \"8.11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.11",
+          "4.1.0"
+        ]
+      },
+      "expected_output": [
+        "4.1.0",
+        "8.11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.1.0\" and \"8.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.0",
+          "8.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.4.4-r1\" before \"8.11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.11",
+          "1.4.4-r1"
+        ]
+      },
+      "expected_output": [
+        "1.4.4-r1",
+        "8.11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"8.11\" and \"1.4.4-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.11",
+          "1.4.4-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.4.4-r1\" before \"2.1.9.200602141850\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.9.200602141850",
+          "1.4.4-r1"
+        ]
+      },
+      "expected_output": [
+        "1.4.4-r1",
+        "2.1.9.200602141850"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.4.4-r1\" and \"2.1.9.200602141850\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.4-r1",
+          "2.1.9.200602141850"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.6\" before \"2.1.9.200602141850\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.9.200602141850",
+          "1.6"
+        ]
+      },
+      "expected_output": [
+        "1.6",
+        "2.1.9.200602141850"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1.9.200602141850\" and \"1.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.9.200602141850",
+          "1.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.6\" before \"2.5.1-r8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.1-r8",
+          "1.6"
+        ]
+      },
+      "expected_output": [
+        "1.6",
+        "2.5.1-r8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.6\" and \"2.5.1-r8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6",
+          "2.5.1-r8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.5.1-r8\" before \"2.5.1a-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.1a-r1",
+          "2.5.1-r8"
+        ]
+      },
+      "expected_output": [
+        "2.5.1-r8",
+        "2.5.1a-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.5.1-r8\" and \"2.5.1a-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.1-r8",
+          "2.5.1a-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.19.2-r1\" before \"2.5.1a-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.1a-r1",
+          "1.19.2-r1"
+        ]
+      },
+      "expected_output": [
+        "1.19.2-r1",
+        "2.5.1a-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.5.1a-r1\" and \"1.19.2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.1a-r1",
+          "1.19.2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.97-r2\" before \"1.19.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.19.2-r1",
+          "0.97-r2"
+        ]
+      },
+      "expected_output": [
+        "0.97-r2",
+        "1.19.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.19.2-r1\" and \"0.97-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.19.2-r1",
+          "0.97-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.97-r2\" before \"0.97-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.97-r3",
+          "0.97-r2"
+        ]
+      },
+      "expected_output": [
+        "0.97-r2",
+        "0.97-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.97-r2\" and \"0.97-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.97-r2",
+          "0.97-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.97-r3\" before \"1.3.5-r10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r10",
+          "0.97-r3"
+        ]
+      },
+      "expected_output": [
+        "0.97-r3",
+        "1.3.5-r10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.97-r3\" and \"1.3.5-r10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.97-r3",
+          "1.3.5-r10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.5-r8\" before \"1.3.5-r10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r10",
+          "1.3.5-r8"
+        ]
+      },
+      "expected_output": [
+        "1.3.5-r8",
+        "1.3.5-r10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.5-r10\" and \"1.3.5-r8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r10",
+          "1.3.5-r8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.5-r8\" before \"1.3.5-r9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r9",
+          "1.3.5-r8"
+        ]
+      },
+      "expected_output": [
+        "1.3.5-r8",
+        "1.3.5-r9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.5-r8\" and \"1.3.5-r9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r8",
+          "1.3.5-r9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0\" before \"1.3.5-r9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r9",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "1.3.5-r9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.5-r9\" and \"1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r9",
+          "1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.11\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "0.9.11"
+        ]
+      },
+      "expected_output": [
+        "0.9.11",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1\" and \"0.9.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "0.9.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.11\" before \"0.9.12\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.12",
+          "0.9.11"
+        ]
+      },
+      "expected_output": [
+        "0.9.11",
+        "0.9.12"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.11\" and \"0.9.12\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.11",
+          "0.9.12"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.13\" before \"0.9.14\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.14",
+          "0.9.13"
+        ]
+      },
+      "expected_output": [
+        "0.9.13",
+        "0.9.14"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.13\" and \"0.9.14\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.13",
+          "0.9.14"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.14\" before \"0.9.15\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.15",
+          "0.9.14"
+        ]
+      },
+      "expected_output": [
+        "0.9.14",
+        "0.9.15"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.14\" and \"0.9.15\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.14",
+          "0.9.15"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.15\" before \"0.9.16\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.16",
+          "0.9.15"
+        ]
+      },
+      "expected_output": [
+        "0.9.15",
+        "0.9.16"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.15\" and \"0.9.16\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.15",
+          "0.9.16"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3-r2\" before \"0.9.16\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.16",
+          "0.3-r2"
+        ]
+      },
+      "expected_output": [
+        "0.3-r2",
+        "0.9.16"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.16\" and \"0.3-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.16",
+          "0.3-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3-r2\" before \"6.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.3",
+          "0.3-r2"
+        ]
+      },
+      "expected_output": [
+        "0.3-r2",
+        "6.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.3-r2\" and \"6.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3-r2",
+          "6.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"6.3\" before \"6.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.6",
+          "6.3"
+        ]
+      },
+      "expected_output": [
+        "6.3",
+        "6.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6.3\" and \"6.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.3",
+          "6.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"6.6\" before \"6.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.9",
+          "6.6"
+        ]
+      },
+      "expected_output": [
+        "6.6",
+        "6.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6.6\" and \"6.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.6",
+          "6.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7.2-r3\" before \"6.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.9",
+          "0.7.2-r3"
+        ]
+      },
+      "expected_output": [
+        "0.7.2-r3",
+        "6.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6.9\" and \"0.7.2-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.9",
+          "0.7.2-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.7.2-r3\" before \"1.2.10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.10",
+          "0.7.2-r3"
+        ]
+      },
+      "expected_output": [
+        "0.7.2-r3",
+        "1.2.10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.7.2-r3\" and \"1.2.10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.7.2-r3",
+          "1.2.10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.10\" before \"20040923-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20040923-r2",
+          "1.2.10"
+        ]
+      },
+      "expected_output": [
+        "1.2.10",
+        "20040923-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.10\" and \"20040923-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.10",
+          "20040923-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"20040401\" before \"20040923-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20040923-r2",
+          "20040401"
+        ]
+      },
+      "expected_output": [
+        "20040401",
+        "20040923-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20040923-r2\" and \"20040401\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20040923-r2",
+          "20040401"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.0.0_rc3-r1\" before \"20040401\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20040401",
+          "2.0.0_rc3-r1"
+        ]
+      },
+      "expected_output": [
+        "2.0.0_rc3-r1",
+        "20040401"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20040401\" and \"2.0.0_rc3-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20040401",
+          "2.0.0_rc3-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.5\" before \"2.0.0_rc3-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.0_rc3-r1",
+          "1.5"
+        ]
+      },
+      "expected_output": [
+        "1.5",
+        "2.0.0_rc3-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.0_rc3-r1\" and \"1.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.0_rc3-r1",
+          "1.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.5\" before \"4.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.4",
+          "1.5"
+        ]
+      },
+      "expected_output": [
+        "1.5",
+        "4.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.5\" and \"4.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5",
+          "4.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"4.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.4",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "4.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.4\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.4",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"2.2.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.0",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "2.2.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"2.2.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "2.2.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0-r2\" before \"2.2.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.0",
+          "1.1.0-r2"
+        ]
+      },
+      "expected_output": [
+        "1.1.0-r2",
+        "2.2.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.2.0\" and \"1.1.0-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.0",
+          "1.1.0-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3\" before \"1.1.0-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0-r2",
+          "0.3"
+        ]
+      },
+      "expected_output": [
+        "0.3",
+        "1.1.0-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.0-r2\" and \"0.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0-r2",
+          "0.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3\" before \"20020207-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20020207-r2",
+          "0.3"
+        ]
+      },
+      "expected_output": [
+        "0.3",
+        "20020207-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.3\" and \"20020207-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3",
+          "20020207-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.31-r2\" before \"20020207-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20020207-r2",
+          "1.31-r2"
+        ]
+      },
+      "expected_output": [
+        "1.31-r2",
+        "20020207-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20020207-r2\" and \"1.31-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20020207-r2",
+          "1.31-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.31-r2\" before \"3.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.7",
+          "1.31-r2"
+        ]
+      },
+      "expected_output": [
+        "1.31-r2",
+        "3.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.31-r2\" and \"3.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.31-r2",
+          "3.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.0.1\" before \"3.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.7",
+          "2.0.1"
+        ]
+      },
+      "expected_output": [
+        "2.0.1",
+        "3.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.7\" and \"2.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.7",
+          "2.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.0.1\" before \"2.0.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.2",
+          "2.0.1"
+        ]
+      },
+      "expected_output": [
+        "2.0.1",
+        "2.0.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.1\" and \"2.0.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.1",
+          "2.0.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.99.163\" before \"2.0.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.2",
+          "0.99.163"
+        ]
+      },
+      "expected_output": [
+        "0.99.163",
+        "2.0.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.2\" and \"0.99.163\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.2",
+          "0.99.163"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.99.163\" before \"2.6.15.20060110\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.15.20060110",
+          "0.99.163"
+        ]
+      },
+      "expected_output": [
+        "0.99.163",
+        "2.6.15.20060110"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.99.163\" and \"2.6.15.20060110\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.99.163",
+          "2.6.15.20060110"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.15.20060110\" before \"2.6.16.20060323\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.16.20060323",
+          "2.6.15.20060110"
+        ]
+      },
+      "expected_output": [
+        "2.6.15.20060110",
+        "2.6.16.20060323"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.15.20060110\" and \"2.6.16.20060323\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.15.20060110",
+          "2.6.16.20060323"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.16.20060323\" before \"2.6.19.20061214\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.19.20061214",
+          "2.6.16.20060323"
+        ]
+      },
+      "expected_output": [
+        "2.6.16.20060323",
+        "2.6.19.20061214"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.16.20060323\" and \"2.6.19.20061214\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.16.20060323",
+          "2.6.19.20061214"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6.2-r1\" before \"2.6.19.20061214\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.19.20061214",
+          "0.6.2-r1"
+        ]
+      },
+      "expected_output": [
+        "0.6.2-r1",
+        "2.6.19.20061214"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.19.20061214\" and \"0.6.2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.19.20061214",
+          "0.6.2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6.2-r1\" before \"0.6.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.3",
+          "0.6.2-r1"
+        ]
+      },
+      "expected_output": [
+        "0.6.2-r1",
+        "0.6.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.6.2-r1\" and \"0.6.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.2-r1",
+          "0.6.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6.3\" before \"0.6.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.5",
+          "0.6.3"
+        ]
+      },
+      "expected_output": [
+        "0.6.3",
+        "0.6.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.6.3\" and \"0.6.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.3",
+          "0.6.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6.5\" before \"1.3.5-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r1",
+          "0.6.5"
+        ]
+      },
+      "expected_output": [
+        "0.6.5",
+        "1.3.5-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.6.5\" and \"1.3.5-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.5",
+          "1.3.5-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.5-r1\" before \"1.3.5-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r4",
+          "1.3.5-r1"
+        ]
+      },
+      "expected_output": [
+        "1.3.5-r1",
+        "1.3.5-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.5-r1\" and \"1.3.5-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r1",
+          "1.3.5-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.5-r4\" before \"3.0.0-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.0-r2",
+          "1.3.5-r4"
+        ]
+      },
+      "expected_output": [
+        "1.3.5-r4",
+        "3.0.0-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.5-r4\" and \"3.0.0-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.5-r4",
+          "3.0.0-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.24\" before \"20060512\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20060512",
+          "1.24"
+        ]
+      },
+      "expected_output": [
+        "1.24",
+        "20060512"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20060512\" and \"1.24\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20060512",
+          "1.24"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.16-r1\" before \"1.24\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.24",
+          "0.9.16-r1"
+        ]
+      },
+      "expected_output": [
+        "0.9.16-r1",
+        "1.24"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.24\" and \"0.9.16-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.24",
+          "0.9.16-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.16-r1\" before \"3.9_pre20060124\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9_pre20060124",
+          "0.9.16-r1"
+        ]
+      },
+      "expected_output": [
+        "0.9.16-r1",
+        "3.9_pre20060124"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.16-r1\" and \"3.9_pre20060124\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.16-r1",
+          "3.9_pre20060124"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.01\" before \"3.9_pre20060124\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9_pre20060124",
+          "0.01"
+        ]
+      },
+      "expected_output": [
+        "0.01",
+        "3.9_pre20060124"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.9_pre20060124\" and \"0.01\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9_pre20060124",
+          "0.01"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.01\" before \"0.06\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.06",
+          "0.01"
+        ]
+      },
+      "expected_output": [
+        "0.01",
+        "0.06"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.01\" and \"0.06\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.01",
+          "0.06"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.06\" before \"1.1.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.7",
+          "0.06"
+        ]
+      },
+      "expected_output": [
+        "0.06",
+        "1.1.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.06\" and \"1.1.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.06",
+          "1.1.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.7\" before \"6b-r7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6b-r7",
+          "1.1.7"
+        ]
+      },
+      "expected_output": [
+        "1.1.7",
+        "6b-r7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.7\" and \"6b-r7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.7",
+          "6b-r7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.12-r7\" before \"6b-r7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6b-r7",
+          "1.12-r7"
+        ]
+      },
+      "expected_output": [
+        "1.12-r7",
+        "6b-r7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6b-r7\" and \"1.12-r7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6b-r7",
+          "1.12-r7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.12-r7\" before \"1.12-r8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.12-r8",
+          "1.12-r7"
+        ]
+      },
+      "expected_output": [
+        "1.12-r7",
+        "1.12-r8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.12-r7\" and \"1.12-r8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.12-r7",
+          "1.12-r8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.12\" before \"1.12-r8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.12-r8",
+          "1.1.12"
+        ]
+      },
+      "expected_output": [
+        "1.1.12",
+        "1.12-r8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.12-r8\" and \"1.1.12\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.12-r8",
+          "1.1.12"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.12\" before \"1.1.13\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.13",
+          "1.1.12"
+        ]
+      },
+      "expected_output": [
+        "1.1.12",
+        "1.1.13"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.12\" and \"1.1.13\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.12",
+          "1.1.13"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3\" before \"1.1.13\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.13",
+          "0.3"
+        ]
+      },
+      "expected_output": [
+        "0.3",
+        "1.1.13"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.13\" and \"0.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.13",
+          "0.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3\" before \"0.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5",
+          "0.3"
+        ]
+      },
+      "expected_output": [
+        "0.3",
+        "0.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.3\" and \"0.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3",
+          "0.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.5\" before \"3.96.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.96.1",
+          "0.5"
+        ]
+      },
+      "expected_output": [
+        "0.5",
+        "3.96.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.5\" and \"3.96.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5",
+          "3.96.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.96.1\" before \"3.97\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.97",
+          "3.96.1"
+        ]
+      },
+      "expected_output": [
+        "3.96.1",
+        "3.97"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.96.1\" and \"3.97\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.96.1",
+          "3.97"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.10.0-r1\" before \"3.97\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.97",
+          "0.10.0-r1"
+        ]
+      },
+      "expected_output": [
+        "0.10.0-r1",
+        "3.97"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.97\" and \"0.10.0-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.97",
+          "0.10.0-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.10.0\" before \"0.10.0-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.10.0-r1",
+          "0.10.0"
+        ]
+      },
+      "expected_output": [
+        "0.10.0",
+        "0.10.0-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.10.0-r1\" and \"0.10.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.10.0-r1",
+          "0.10.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.10.0\" before \"0.10.1_rc1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.10.1_rc1",
+          "0.10.0"
+        ]
+      },
+      "expected_output": [
+        "0.10.0",
+        "0.10.1_rc1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.10.0\" and \"0.10.1_rc1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.10.0",
+          "0.10.1_rc1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.11\" before \"0.10.1_rc1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.10.1_rc1",
+          "0.9.11"
+        ]
+      },
+      "expected_output": [
+        "0.9.11",
+        "0.10.1_rc1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.10.1_rc1\" and \"0.9.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.10.1_rc1",
+          "0.9.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.11\" before \"394\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "394",
+          "0.9.11"
+        ]
+      },
+      "expected_output": [
+        "0.9.11",
+        "394"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.11\" and \"394\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.11",
+          "394"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.31\" before \"394\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "394",
+          "2.31"
+        ]
+      },
+      "expected_output": [
+        "2.31",
+        "394"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"394\" and \"2.31\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "394",
+          "2.31"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"2.31\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.31",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "2.31"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.31\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.31",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"1.0.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.3",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "1.0.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"1.0.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "1.0.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.2\" before \"1.0.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.3",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "1.0.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.3\" and \"1.0.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.3",
+          "1.0.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"1.0.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "1.0.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.2\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"1.2.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "1.2.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"1.2.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "1.2.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.2\" before \"2.1.10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.10",
+          "1.2.2"
+        ]
+      },
+      "expected_output": [
+        "1.2.2",
+        "2.1.10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.2\" and \"2.1.10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2",
+          "2.1.10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"2.1.10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.10",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "2.1.10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1.10\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.10",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.2\" before \"3.5.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.5.5",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "3.5.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.2\" and \"3.5.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "3.5.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.1\" before \"3.5.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.5.5",
+          "1.1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1.1",
+        "3.5.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.5.5\" and \"1.1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.5.5",
+          "1.1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.1\" before \"1.1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1",
+          "0.9.1"
+        ]
+      },
+      "expected_output": [
+        "0.9.1",
+        "1.1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.1\" and \"0.9.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1",
+          "0.9.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.1\" before \"1.0.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "0.9.1"
+        ]
+      },
+      "expected_output": [
+        "0.9.1",
+        "1.0.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.1\" and \"1.0.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.1",
+          "1.0.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"1.0.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.5",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "1.0.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"1.0.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "1.0.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8.5\" before \"1.0.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.5",
+          "0.8.5"
+        ]
+      },
+      "expected_output": [
+        "0.8.5",
+        "1.0.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.5\" and \"0.8.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.5",
+          "0.8.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8.5\" before \"0.8.6-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8.6-r3",
+          "0.8.5"
+        ]
+      },
+      "expected_output": [
+        "0.8.5",
+        "0.8.6-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.8.5\" and \"0.8.6-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8.5",
+          "0.8.6-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8.6-r3\" before \"2.3.17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.17",
+          "0.8.6-r3"
+        ]
+      },
+      "expected_output": [
+        "0.8.6-r3",
+        "2.3.17"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.8.6-r3\" and \"2.3.17\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8.6-r3",
+          "2.3.17"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.10-r5\" before \"2.3.17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.17",
+          "1.10-r5"
+        ]
+      },
+      "expected_output": [
+        "1.10-r5",
+        "2.3.17"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.3.17\" and \"1.10-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.17",
+          "1.10-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.10-r5\" before \"1.10-r9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.10-r9",
+          "1.10-r5"
+        ]
+      },
+      "expected_output": [
+        "1.10-r5",
+        "1.10-r9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.10-r5\" and \"1.10-r9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.10-r5",
+          "1.10-r9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.10-r9\" before \"2.0.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.2",
+          "1.10-r9"
+        ]
+      },
+      "expected_output": [
+        "1.10-r9",
+        "2.0.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.10-r9\" and \"2.0.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.10-r9",
+          "2.0.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1a\" before \"2.0.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.2",
+          "1.1a"
+        ]
+      },
+      "expected_output": [
+        "1.1a",
+        "2.0.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.2\" and \"1.1a\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.2",
+          "1.1a"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1a\" before \"1.3a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3a",
+          "1.1a"
+        ]
+      },
+      "expected_output": [
+        "1.1a",
+        "1.3a"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1a\" and \"1.3a\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1a",
+          "1.3a"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.2\" before \"1.3a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3a",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "1.3a"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3a\" and \"1.0.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3a",
+          "1.0.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.2\" before \"1.2.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2-r1",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "1.2.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.2\" and \"1.2.2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "1.2.2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0-r1\" before \"1.2.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2-r1",
+          "1.0-r1"
+        ]
+      },
+      "expected_output": [
+        "1.0-r1",
+        "1.2.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.2-r1\" and \"1.0-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2-r1",
+          "1.0-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.15.1b\" before \"1.0-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0-r1",
+          "0.15.1b"
+        ]
+      },
+      "expected_output": [
+        "0.15.1b",
+        "1.0-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0-r1\" and \"0.15.1b\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0-r1",
+          "0.15.1b"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.15.1b\" before \"1.0.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "0.15.1b"
+        ]
+      },
+      "expected_output": [
+        "0.15.1b",
+        "1.0.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.15.1b\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.15.1b",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"1.06-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.06-r1",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "1.06-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"1.06-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "1.06-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.06-r1\" before \"1.06-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.06-r2",
+          "1.06-r1"
+        ]
+      },
+      "expected_output": [
+        "1.06-r1",
+        "1.06-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.06-r1\" and \"1.06-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.06-r1",
+          "1.06-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.15.1b-r2\" before \"1.06-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.06-r2",
+          "0.15.1b-r2"
+        ]
+      },
+      "expected_output": [
+        "0.15.1b-r2",
+        "1.06-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.06-r2\" and \"0.15.1b-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.06-r2",
+          "0.15.1b-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.15.1b\" before \"0.15.1b-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.15.1b-r2",
+          "0.15.1b"
+        ]
+      },
+      "expected_output": [
+        "0.15.1b",
+        "0.15.1b-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.15.1b-r2\" and \"0.15.1b\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.15.1b-r2",
+          "0.15.1b"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.15.1b\" before \"2.5.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.7",
+          "0.15.1b"
+        ]
+      },
+      "expected_output": [
+        "0.15.1b",
+        "2.5.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.15.1b\" and \"2.5.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.15.1b",
+          "2.5.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.2.1-r1\" before \"2.5.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.7",
+          "1.1.2.1-r1"
+        ]
+      },
+      "expected_output": [
+        "1.1.2.1-r1",
+        "2.5.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.5.7\" and \"1.1.2.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.7",
+          "1.1.2.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.0.31\" before \"1.1.2.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.2.1-r1",
+          "0.0.31"
+        ]
+      },
+      "expected_output": [
+        "0.0.31",
+        "1.1.2.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.2.1-r1\" and \"0.0.31\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.2.1-r1",
+          "0.0.31"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.0.31\" before \"0.0.50\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.0.50",
+          "0.0.31"
+        ]
+      },
+      "expected_output": [
+        "0.0.31",
+        "0.0.50"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.0.31\" and \"0.0.50\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.0.31",
+          "0.0.50"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.0.16\" before \"0.0.50\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.0.50",
+          "0.0.16"
+        ]
+      },
+      "expected_output": [
+        "0.0.16",
+        "0.0.50"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.0.50\" and \"0.0.16\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.0.50",
+          "0.0.16"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.0.16\" before \"0.0.25\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.0.25",
+          "0.0.16"
+        ]
+      },
+      "expected_output": [
+        "0.0.16",
+        "0.0.25"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.0.16\" and \"0.0.25\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.0.16",
+          "0.0.25"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.0.25\" before \"0.17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.17",
+          "0.0.25"
+        ]
+      },
+      "expected_output": [
+        "0.0.25",
+        "0.17"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.0.25\" and \"0.17\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.0.25",
+          "0.17"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.5.0\" before \"0.17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.17",
+          "0.5.0"
+        ]
+      },
+      "expected_output": [
+        "0.5.0",
+        "0.17"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.17\" and \"0.5.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.17",
+          "0.5.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.5.0\" before \"1.1.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.2",
+          "0.5.0"
+        ]
+      },
+      "expected_output": [
+        "0.5.0",
+        "1.1.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.5.0\" and \"1.1.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5.0",
+          "1.1.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.2\" before \"1.1.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.3",
+          "1.1.2"
+        ]
+      },
+      "expected_output": [
+        "1.1.2",
+        "1.1.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.2\" and \"1.1.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.2",
+          "1.1.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.3\" before \"1.1.20\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.20",
+          "1.1.3"
+        ]
+      },
+      "expected_output": [
+        "1.1.3",
+        "1.1.20"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.3\" and \"1.1.20\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.3",
+          "1.1.20"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.4\" before \"1.1.20\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.20",
+          "0.9.4"
+        ]
+      },
+      "expected_output": [
+        "0.9.4",
+        "1.1.20"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.20\" and \"0.9.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.20",
+          "0.9.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.4\" before \"0.9.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.5",
+          "0.9.4"
+        ]
+      },
+      "expected_output": [
+        "0.9.4",
+        "0.9.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.4\" and \"0.9.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.4",
+          "0.9.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.5\" before \"6.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.3",
+          "0.9.5"
+        ]
+      },
+      "expected_output": [
+        "0.9.5",
+        "6.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.5\" and \"6.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.5",
+          "6.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.12-r1\" before \"6.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.6",
+          "1.2.12-r1"
+        ]
+      },
+      "expected_output": [
+        "1.2.12-r1",
+        "6.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6.6\" and \"1.2.12-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.6",
+          "1.2.12-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.12-r1\" before \"1.2.13\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.13",
+          "1.2.12-r1"
+        ]
+      },
+      "expected_output": [
+        "1.2.12-r1",
+        "1.2.13"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.12-r1\" and \"1.2.13\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.12-r1",
+          "1.2.13"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.13\" before \"1.2.14\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.14",
+          "1.2.13"
+        ]
+      },
+      "expected_output": [
+        "1.2.13",
+        "1.2.14"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.13\" and \"1.2.14\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.13",
+          "1.2.14"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.14\" before \"1.2.15\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.15",
+          "1.2.14"
+        ]
+      },
+      "expected_output": [
+        "1.2.14",
+        "1.2.15"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.14\" and \"1.2.15\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.14",
+          "1.2.15"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.15\" before \"8.0.12\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.0.12",
+          "1.2.15"
+        ]
+      },
+      "expected_output": [
+        "1.2.15",
+        "8.0.12"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.15\" and \"8.0.12\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.15",
+          "8.0.12"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"8.0.9\" before \"8.0.12\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.0.12",
+          "8.0.9"
+        ]
+      },
+      "expected_output": [
+        "8.0.9",
+        "8.0.12"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"8.0.12\" and \"8.0.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.0.12",
+          "8.0.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.3-r1\" before \"8.0.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.0.9",
+          "1.2.3-r1"
+        ]
+      },
+      "expected_output": [
+        "1.2.3-r1",
+        "8.0.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"8.0.9\" and \"1.2.3-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.0.9",
+          "1.2.3-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.3-r1\" before \"1.2.4-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.4-r1",
+          "1.2.3-r1"
+        ]
+      },
+      "expected_output": [
+        "1.2.3-r1",
+        "1.2.4-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.3-r1\" and \"1.2.4-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.3-r1",
+          "1.2.4-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1\" before \"1.2.4-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.4-r1",
+          "0.1"
+        ]
+      },
+      "expected_output": [
+        "0.1",
+        "1.2.4-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.4-r1\" and \"0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.4-r1",
+          "0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1\" before \"0.3.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3.5",
+          "0.1"
+        ]
+      },
+      "expected_output": [
+        "0.1",
+        "0.3.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1\" and \"0.3.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1",
+          "0.3.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3.5\" before \"1.5.22\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.22",
+          "0.3.5"
+        ]
+      },
+      "expected_output": [
+        "0.3.5",
+        "1.5.22"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.3.5\" and \"1.5.22\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3.5",
+          "1.5.22"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.11\" before \"1.5.22\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.22",
+          "0.1.11"
+        ]
+      },
+      "expected_output": [
+        "0.1.11",
+        "1.5.22"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.5.22\" and \"0.1.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.22",
+          "0.1.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.11\" before \"0.1.12\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.12",
+          "0.1.11"
+        ]
+      },
+      "expected_output": [
+        "0.1.11",
+        "0.1.12"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.11\" and \"0.1.12\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.11",
+          "0.1.12"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.12\" before \"1.1.4.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.4.1",
+          "0.1.12"
+        ]
+      },
+      "expected_output": [
+        "0.1.12",
+        "1.1.4.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.12\" and \"1.1.4.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.12",
+          "1.1.4.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0\" before \"1.1.4.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.4.1",
+          "1.1.0"
+        ]
+      },
+      "expected_output": [
+        "1.1.0",
+        "1.1.4.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.4.1\" and \"1.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.4.1",
+          "1.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0\" before \"1.1.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.2",
+          "1.1.0"
+        ]
+      },
+      "expected_output": [
+        "1.1.0",
+        "1.1.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.0\" and \"1.1.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "1.1.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.3\" before \"1.1.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.2",
+          "1.0.3"
+        ]
+      },
+      "expected_output": [
+        "1.0.3",
+        "1.1.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.2\" and \"1.0.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.2",
+          "1.0.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.2\" before \"2.6.26\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.26",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "2.6.26"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.2\" and \"2.6.26\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "2.6.26"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.26\" before \"2.6.27\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.27",
+          "2.6.26"
+        ]
+      },
+      "expected_output": [
+        "2.6.26",
+        "2.6.27"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.26\" and \"2.6.27\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.26",
+          "2.6.27"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.17\" before \"2.6.27\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.27",
+          "1.1.17"
+        ]
+      },
+      "expected_output": [
+        "1.1.17",
+        "2.6.27"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.27\" and \"1.1.17\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.27",
+          "1.1.17"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.17\" before \"1.4.11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.11",
+          "1.1.17"
+        ]
+      },
+      "expected_output": [
+        "1.1.17",
+        "1.4.11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.17\" and \"1.4.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.17",
+          "1.4.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.4.11\" before \"22.7-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.7-r1",
+          "1.4.11"
+        ]
+      },
+      "expected_output": [
+        "1.4.11",
+        "22.7-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.4.11\" and \"22.7-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.11",
+          "22.7-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"22.7-r1\" before \"22.7.3-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.7.3-r1",
+          "22.7-r1"
+        ]
+      },
+      "expected_output": [
+        "22.7-r1",
+        "22.7.3-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"22.7-r1\" and \"22.7.3-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.7-r1",
+          "22.7.3-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"22.7\" before \"22.7.3-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.7.3-r1",
+          "22.7"
+        ]
+      },
+      "expected_output": [
+        "22.7",
+        "22.7.3-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"22.7.3-r1\" and \"22.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.7.3-r1",
+          "22.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.1_pre20\" before \"22.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.7",
+          "2.1_pre20"
+        ]
+      },
+      "expected_output": [
+        "2.1_pre20",
+        "22.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"22.7\" and \"2.1_pre20\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.7",
+          "2.1_pre20"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.1_pre20\" before \"2.1_pre26\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1_pre26",
+          "2.1_pre20"
+        ]
+      },
+      "expected_output": [
+        "2.1_pre20",
+        "2.1_pre26"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1_pre20\" and \"2.1_pre26\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1_pre20",
+          "2.1_pre26"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.3-r2\" before \"2.1_pre26\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1_pre26",
+          "0.2.3-r2"
+        ]
+      },
+      "expected_output": [
+        "0.2.3-r2",
+        "2.1_pre26"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1_pre26\" and \"0.2.3-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1_pre26",
+          "0.2.3-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.2\" before \"0.2.3-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.3-r2",
+          "0.2.2"
+        ]
+      },
+      "expected_output": [
+        "0.2.2",
+        "0.2.3-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2.3-r2\" and \"0.2.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.3-r2",
+          "0.2.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.2\" before \"2.10.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.10.0",
+          "0.2.2"
+        ]
+      },
+      "expected_output": [
+        "0.2.2",
+        "2.10.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2.2\" and \"2.10.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.2",
+          "2.10.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.10.0\" before \"2.10.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.10.1",
+          "2.10.0"
+        ]
+      },
+      "expected_output": [
+        "2.10.0",
+        "2.10.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.10.0\" and \"2.10.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.10.0",
+          "2.10.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.17\" before \"4.77\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.77",
+          "0.17"
+        ]
+      },
+      "expected_output": [
+        "0.17",
+        "4.77"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.77\" and \"0.17\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.77",
+          "0.17"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.17\" before \"5.1.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1.1-r1",
+          "0.17"
+        ]
+      },
+      "expected_output": [
+        "0.17",
+        "5.1.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.17\" and \"5.1.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.17",
+          "5.1.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.1.1-r1\" before \"5.1.1-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1.1-r2",
+          "5.1.1-r1"
+        ]
+      },
+      "expected_output": [
+        "5.1.1-r1",
+        "5.1.1-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.1.1-r1\" and \"5.1.1-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1.1-r1",
+          "5.1.1-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.1.1\" before \"5.1.1-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1.1-r2",
+          "5.1.1"
+        ]
+      },
+      "expected_output": [
+        "5.1.1",
+        "5.1.1-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.1.1-r2\" and \"5.1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1.1-r2",
+          "5.1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2\" before \"5.1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1.1",
+          "1.2"
+        ]
+      },
+      "expected_output": [
+        "1.2",
+        "5.1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.1.1\" and \"1.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1.1",
+          "1.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2\" before \"5.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1",
+          "1.2"
+        ]
+      },
+      "expected_output": [
+        "1.2",
+        "5.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2\" and \"5.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2",
+          "5.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.02.06\" before \"5.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1",
+          "2.02.06"
+        ]
+      },
+      "expected_output": [
+        "2.02.06",
+        "5.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.1\" and \"2.02.06\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1",
+          "2.02.06"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.02.06\" before \"2.02.10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.02.10",
+          "2.02.06"
+        ]
+      },
+      "expected_output": [
+        "2.02.06",
+        "2.02.10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.02.06\" and \"2.02.10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.02.06",
+          "2.02.10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.02.10\" before \"2.8.5-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.5-r3",
+          "2.02.10"
+        ]
+      },
+      "expected_output": [
+        "2.02.10",
+        "2.8.5-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.02.10\" and \"2.8.5-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.02.10",
+          "2.8.5-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.8.5-r3\" before \"2.8.6-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.6-r1",
+          "2.8.5-r3"
+        ]
+      },
+      "expected_output": [
+        "2.8.5-r3",
+        "2.8.6-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.8.5-r3\" and \"2.8.6-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.5-r3",
+          "2.8.6-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.8.6-r1\" before \"2.8.6-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.6-r2",
+          "2.8.6-r1"
+        ]
+      },
+      "expected_output": [
+        "2.8.6-r1",
+        "2.8.6-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.8.6-r1\" and \"2.8.6-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.6-r1",
+          "2.8.6-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.02-r1\" before \"2.8.6-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.6-r2",
+          "2.02-r1"
+        ]
+      },
+      "expected_output": [
+        "2.02-r1",
+        "2.8.6-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.8.6-r2\" and \"2.02-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.6-r2",
+          "2.02-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.5.0-r1\" before \"2.02-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.02-r1",
+          "1.5.0-r1"
+        ]
+      },
+      "expected_output": [
+        "1.5.0-r1",
+        "2.02-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.02-r1\" and \"1.5.0-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.02-r1",
+          "1.5.0-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.5.0\" before \"1.5.0-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.0-r1",
+          "1.5.0"
+        ]
+      },
+      "expected_output": [
+        "1.5.0",
+        "1.5.0-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.5.0-r1\" and \"1.5.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.0-r1",
+          "1.5.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.2\" before \"1.5.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.0",
+          "0.9.2"
+        ]
+      },
+      "expected_output": [
+        "0.9.2",
+        "1.5.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.5.0\" and \"0.9.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.0",
+          "0.9.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.2\" before \"8.1.2.20040524-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.1.2.20040524-r1",
+          "0.9.2"
+        ]
+      },
+      "expected_output": [
+        "0.9.2",
+        "8.1.2.20040524-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.2\" and \"8.1.2.20040524-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.2",
+          "8.1.2.20040524-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"8.1.2.20040524-r1\" before \"8.1.2.20050715-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.1.2.20050715-r1",
+          "8.1.2.20040524-r1"
+        ]
+      },
+      "expected_output": [
+        "8.1.2.20040524-r1",
+        "8.1.2.20050715-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"8.1.2.20040524-r1\" and \"8.1.2.20050715-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.1.2.20040524-r1",
+          "8.1.2.20050715-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"8.1.2.20050715-r1\" before \"20030215\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20030215",
+          "8.1.2.20050715-r1"
+        ]
+      },
+      "expected_output": [
+        "8.1.2.20050715-r1",
+        "20030215"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"8.1.2.20050715-r1\" and \"20030215\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.1.2.20050715-r1",
+          "20030215"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.80-r4\" before \"20030215\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20030215",
+          "3.80-r4"
+        ]
+      },
+      "expected_output": [
+        "3.80-r4",
+        "20030215"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20030215\" and \"3.80-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20030215",
+          "3.80-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.80-r4\" before \"3.81\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.81",
+          "3.80-r4"
+        ]
+      },
+      "expected_output": [
+        "3.80-r4",
+        "3.81"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.80-r4\" and \"3.81\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.80-r4",
+          "3.81"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.6d\" before \"3.81\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.81",
+          "1.6d"
+        ]
+      },
+      "expected_output": [
+        "1.6d",
+        "3.81"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.81\" and \"1.6d\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.81",
+          "1.6d"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.07.8\" before \"1.6d\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6d",
+          "1.2.07.8"
+        ]
+      },
+      "expected_output": [
+        "1.2.07.8",
+        "1.6d"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.6d\" and \"1.2.07.8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6d",
+          "1.2.07.8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.07.8\" before \"1.2.12.04\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.12.04",
+          "1.2.07.8"
+        ]
+      },
+      "expected_output": [
+        "1.2.07.8",
+        "1.2.12.04"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.07.8\" and \"1.2.12.04\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.07.8",
+          "1.2.12.04"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.12.04\" before \"1.2.12.05\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.12.05",
+          "1.2.12.04"
+        ]
+      },
+      "expected_output": [
+        "1.2.12.04",
+        "1.2.12.05"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.12.04\" and \"1.2.12.05\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.12.04",
+          "1.2.12.05"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.12.05\" before \"1.3.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.3",
+          "1.2.12.05"
+        ]
+      },
+      "expected_output": [
+        "1.2.12.05",
+        "1.3.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.12.05\" and \"1.3.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.12.05",
+          "1.3.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.3\" before \"2.6.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.4",
+          "1.3.3"
+        ]
+      },
+      "expected_output": [
+        "1.3.3",
+        "2.6.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.3\" and \"2.6.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.3",
+          "2.6.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.5.2\" before \"2.6.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.4",
+          "2.5.2"
+        ]
+      },
+      "expected_output": [
+        "2.5.2",
+        "2.6.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.4\" and \"2.5.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.4",
+          "2.5.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.5.2\" before \"2.6.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1",
+          "2.5.2"
+        ]
+      },
+      "expected_output": [
+        "2.5.2",
+        "2.6.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.5.2\" and \"2.6.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.2",
+          "2.6.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6\" before \"2.6.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1",
+          "2.6"
+        ]
+      },
+      "expected_output": [
+        "2.6",
+        "2.6.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.1\" and \"2.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1",
+          "2.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6\" before \"6.5.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.5.1-r1",
+          "2.6"
+        ]
+      },
+      "expected_output": [
+        "2.6",
+        "6.5.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6\" and \"6.5.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6",
+          "6.5.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.35-r1\" before \"6.5.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.5.1-r1",
+          "1.1.35-r1"
+        ]
+      },
+      "expected_output": [
+        "1.1.35-r1",
+        "6.5.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6.5.1-r1\" and \"1.1.35-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.5.1-r1",
+          "1.1.35-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.35-r1\" before \"1.1.35-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.35-r2",
+          "1.1.35-r1"
+        ]
+      },
+      "expected_output": [
+        "1.1.35-r1",
+        "1.1.35-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.35-r1\" and \"1.1.35-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.35-r1",
+          "1.1.35-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.2\" before \"1.1.35-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.35-r2",
+          "0.9.2"
+        ]
+      },
+      "expected_output": [
+        "0.9.2",
+        "1.1.35-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.35-r2\" and \"0.9.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.35-r2",
+          "0.9.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.2\" before \"1.07-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.07-r1",
+          "0.9.2"
+        ]
+      },
+      "expected_output": [
+        "0.9.2",
+        "1.07-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.2\" and \"1.07-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.2",
+          "1.07-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.07-r1\" before \"1.07.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.07.5",
+          "1.07-r1"
+        ]
+      },
+      "expected_output": [
+        "1.07-r1",
+        "1.07.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.07-r1\" and \"1.07.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.07-r1",
+          "1.07.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.07\" before \"1.07.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.07.5",
+          "1.07"
+        ]
+      },
+      "expected_output": [
+        "1.07",
+        "1.07.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.07.5\" and \"1.07\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.07.5",
+          "1.07"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.07\" before \"1.19\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.19",
+          "1.07"
+        ]
+      },
+      "expected_output": [
+        "1.07",
+        "1.19"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.07\" and \"1.19\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.07",
+          "1.19"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.19\" before \"2.1-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1-r2",
+          "1.19"
+        ]
+      },
+      "expected_output": [
+        "1.19",
+        "2.1-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.19\" and \"2.1-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.19",
+          "2.1-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.1-r2\" before \"2.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2",
+          "2.1-r2"
+        ]
+      },
+      "expected_output": [
+        "2.1-r2",
+        "2.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1-r2\" and \"2.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1-r2",
+          "2.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.4\" before \"2.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2",
+          "1.0.4"
+        ]
+      },
+      "expected_output": [
+        "1.0.4",
+        "2.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.2\" and \"1.0.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2",
+          "1.0.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.4\" before \"20060811\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20060811",
+          "1.0.4"
+        ]
+      },
+      "expected_output": [
+        "1.0.4",
+        "20060811"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.4\" and \"20060811\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.4",
+          "20060811"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"20060811\" before \"20061003\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20061003",
+          "20060811"
+        ]
+      },
+      "expected_output": [
+        "20060811",
+        "20061003"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20060811\" and \"20061003\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20060811",
+          "20061003"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1_pre20060810\" before \"20061003\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20061003",
+          "0.1_pre20060810"
+        ]
+      },
+      "expected_output": [
+        "0.1_pre20060810",
+        "20061003"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20061003\" and \"0.1_pre20060810\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20061003",
+          "0.1_pre20060810"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1_pre20060810\" before \"0.1_pre20060817\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1_pre20060817",
+          "0.1_pre20060810"
+        ]
+      },
+      "expected_output": [
+        "0.1_pre20060810",
+        "0.1_pre20060817"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1_pre20060810\" and \"0.1_pre20060817\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1_pre20060810",
+          "0.1_pre20060817"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1_pre20060817\" before \"1.0.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.3",
+          "0.1_pre20060817"
+        ]
+      },
+      "expected_output": [
+        "0.1_pre20060817",
+        "1.0.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1_pre20060817\" and \"1.0.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1_pre20060817",
+          "1.0.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"3.2.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.2-r1",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "3.2.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"3.2.2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "3.2.2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.2.2-r1\" before \"3.2.2-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.2-r2",
+          "3.2.2-r1"
+        ]
+      },
+      "expected_output": [
+        "3.2.2-r1",
+        "3.2.2-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.2.2-r1\" and \"3.2.2-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.2-r1",
+          "3.2.2-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.2.2-r2\" before \"3.3.17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.3.17",
+          "3.2.2-r2"
+        ]
+      },
+      "expected_output": [
+        "3.2.2-r2",
+        "3.3.17"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.2.2-r2\" and \"3.3.17\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.2-r2",
+          "3.3.17"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.59s-r11\" before \"3.3.17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.3.17",
+          "0.59s-r11"
+        ]
+      },
+      "expected_output": [
+        "0.59s-r11",
+        "3.3.17"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.3.17\" and \"0.59s-r11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.3.17",
+          "0.59s-r11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.59s-r11\" before \"0.65\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.65",
+          "0.59s-r11"
+        ]
+      },
+      "expected_output": [
+        "0.59s-r11",
+        "0.65"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.59s-r11\" and \"0.65\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.59s-r11",
+          "0.65"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.10-r2\" before \"0.65\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.65",
+          "0.2.10-r2"
+        ]
+      },
+      "expected_output": [
+        "0.2.10-r2",
+        "0.65"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.65\" and \"0.2.10-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.65",
+          "0.2.10-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.10-r2\" before \"2.01\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.01",
+          "0.2.10-r2"
+        ]
+      },
+      "expected_output": [
+        "0.2.10-r2",
+        "2.01"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2.10-r2\" and \"2.01\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.10-r2",
+          "2.01"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.01\" before \"3.9.10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.10",
+          "2.01"
+        ]
+      },
+      "expected_output": [
+        "2.01",
+        "3.9.10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.01\" and \"3.9.10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.01",
+          "3.9.10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.18\" before \"3.9.10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.10",
+          "1.2.18"
+        ]
+      },
+      "expected_output": [
+        "1.2.18",
+        "3.9.10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.9.10\" and \"1.2.18\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.10",
+          "1.2.18"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.18\" before \"1.5.11-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.11-r2",
+          "1.2.18"
+        ]
+      },
+      "expected_output": [
+        "1.2.18",
+        "1.5.11-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.18\" and \"1.5.11-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.18",
+          "1.5.11-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.5.11-r2\" before \"1.5.13-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.13-r1",
+          "1.5.11-r2"
+        ]
+      },
+      "expected_output": [
+        "1.5.11-r2",
+        "1.5.13-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.5.11-r2\" and \"1.5.13-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.11-r2",
+          "1.5.13-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.12-r1\" before \"1.5.13-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.13-r1",
+          "1.3.12-r1"
+        ]
+      },
+      "expected_output": [
+        "1.3.12-r1",
+        "1.5.13-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.5.13-r1\" and \"1.3.12-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.5.13-r1",
+          "1.3.12-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.12-r1\" before \"2.0.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.1",
+          "1.3.12-r1"
+        ]
+      },
+      "expected_output": [
+        "1.3.12-r1",
+        "2.0.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.12-r1\" and \"2.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.12-r1",
+          "2.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.0.2\" before \"2.0.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.3",
+          "2.0.2"
+        ]
+      },
+      "expected_output": [
+        "2.0.2",
+        "2.0.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.2\" and \"2.0.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.2",
+          "2.0.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.0\" before \"2.0.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.3",
+          "0.2.0"
+        ]
+      },
+      "expected_output": [
+        "0.2.0",
+        "2.0.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.3\" and \"0.2.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.3",
+          "0.2.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.0\" before \"5.5-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.5-r2",
+          "0.2.0"
+        ]
+      },
+      "expected_output": [
+        "0.2.0",
+        "5.5-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2.0\" and \"5.5-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.0",
+          "5.5-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.5-r2\" before \"5.5-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.5-r3",
+          "5.5-r2"
+        ]
+      },
+      "expected_output": [
+        "5.5-r2",
+        "5.5-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.5-r2\" and \"5.5-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.5-r2",
+          "5.5-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.25.3\" before \"5.5-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.5-r3",
+          "0.25.3"
+        ]
+      },
+      "expected_output": [
+        "0.25.3",
+        "5.5-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.5-r3\" and \"0.25.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.5-r3",
+          "0.25.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.25.3\" before \"0.26.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.26.1-r1",
+          "0.25.3"
+        ]
+      },
+      "expected_output": [
+        "0.25.3",
+        "0.26.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.25.3\" and \"0.26.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.25.3",
+          "0.26.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.26.1-r1\" before \"5.2.1.2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.2.1.2-r1",
+          "0.26.1-r1"
+        ]
+      },
+      "expected_output": [
+        "0.26.1-r1",
+        "5.2.1.2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.26.1-r1\" and \"5.2.1.2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.26.1-r1",
+          "5.2.1.2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.2.1.2-r1\" before \"5.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.4",
+          "5.2.1.2-r1"
+        ]
+      },
+      "expected_output": [
+        "5.2.1.2-r1",
+        "5.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.2.1.2-r1\" and \"5.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.2.1.2-r1",
+          "5.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.60-r11\" before \"5.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.4",
+          "1.60-r11"
+        ]
+      },
+      "expected_output": [
+        "1.60-r11",
+        "5.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.4\" and \"1.60-r11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.4",
+          "1.60-r11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.60-r11\" before \"1.60-r12\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.60-r12",
+          "1.60-r11"
+        ]
+      },
+      "expected_output": [
+        "1.60-r11",
+        "1.60-r12"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.60-r11\" and \"1.60-r12\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.60-r11",
+          "1.60-r12"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.60-r12\" before \"110-r8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "110-r8",
+          "1.60-r12"
+        ]
+      },
+      "expected_output": [
+        "1.60-r12",
+        "110-r8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.60-r12\" and \"110-r8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.60-r12",
+          "110-r8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.17-r2\" before \"110-r8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "110-r8",
+          "0.17-r2"
+        ]
+      },
+      "expected_output": [
+        "0.17-r2",
+        "110-r8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"110-r8\" and \"0.17-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "110-r8",
+          "0.17-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.17-r2\" before \"1.05-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.05-r4",
+          "0.17-r2"
+        ]
+      },
+      "expected_output": [
+        "0.17-r2",
+        "1.05-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.17-r2\" and \"1.05-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.17-r2",
+          "1.05-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.05-r4\" before \"5.28.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.28.0",
+          "1.05-r4"
+        ]
+      },
+      "expected_output": [
+        "1.05-r4",
+        "5.28.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.05-r4\" and \"5.28.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.05-r4",
+          "5.28.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.51.6-r1\" before \"5.28.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.28.0",
+          "0.51.6-r1"
+        ]
+      },
+      "expected_output": [
+        "0.51.6-r1",
+        "5.28.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.28.0\" and \"0.51.6-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.28.0",
+          "0.51.6-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.51.6-r1\" before \"1.0.6-r6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.6-r6",
+          "0.51.6-r1"
+        ]
+      },
+      "expected_output": [
+        "0.51.6-r1",
+        "1.0.6-r6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.51.6-r1\" and \"1.0.6-r6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.51.6-r1",
+          "1.0.6-r6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8.3\" before \"1.0.6-r6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.6-r6",
+          "0.8.3"
+        ]
+      },
+      "expected_output": [
+        "0.8.3",
+        "1.0.6-r6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.6-r6\" and \"0.8.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.6-r6",
+          "0.8.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8.3\" before \"1.42\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.42",
+          "0.8.3"
+        ]
+      },
+      "expected_output": [
+        "0.8.3",
+        "1.42"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.8.3\" and \"1.42\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8.3",
+          "1.42"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.42\" before \"20030719\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20030719",
+          "1.42"
+        ]
+      },
+      "expected_output": [
+        "1.42",
+        "20030719"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.42\" and \"20030719\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.42",
+          "20030719"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.01\" before \"20030719\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20030719",
+          "4.01"
+        ]
+      },
+      "expected_output": [
+        "4.01",
+        "20030719"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20030719\" and \"4.01\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20030719",
+          "4.01"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.01\" before \"4.20\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.20",
+          "4.01"
+        ]
+      },
+      "expected_output": [
+        "4.01",
+        "4.20"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.01\" and \"4.20\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.01",
+          "4.20"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.20070118\" before \"4.20\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.20",
+          "0.20070118"
+        ]
+      },
+      "expected_output": [
+        "0.20070118",
+        "4.20"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.20\" and \"0.20070118\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.20",
+          "0.20070118"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.20070118\" before \"0.20070207_rc1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.20070207_rc1",
+          "0.20070118"
+        ]
+      },
+      "expected_output": [
+        "0.20070118",
+        "0.20070207_rc1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.20070118\" and \"0.20070207_rc1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.20070118",
+          "0.20070207_rc1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.20070207_rc1\" before \"1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0",
+          "0.20070207_rc1"
+        ]
+      },
+      "expected_output": [
+        "0.20070207_rc1",
+        "1.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.20070207_rc1\" and \"1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.20070207_rc1",
+          "1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0\" before \"1.13.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.13.0",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "1.13.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0\" and \"1.13.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0",
+          "1.13.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.13.0\" before \"1.13.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.13.1",
+          "1.13.0"
+        ]
+      },
+      "expected_output": [
+        "1.13.0",
+        "1.13.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.13.0\" and \"1.13.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.13.0",
+          "1.13.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.21\" before \"1.13.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.13.1",
+          "0.21"
+        ]
+      },
+      "expected_output": [
+        "0.21",
+        "1.13.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.13.1\" and \"0.21\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.13.1",
+          "0.21"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3.7-r3\" before \"0.21\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.21",
+          "0.3.7-r3"
+        ]
+      },
+      "expected_output": [
+        "0.3.7-r3",
+        "0.21"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.21\" and \"0.3.7-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.21",
+          "0.3.7-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3.7-r3\" before \"0.4.10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.4.10",
+          "0.3.7-r3"
+        ]
+      },
+      "expected_output": [
+        "0.3.7-r3",
+        "0.4.10"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.3.7-r3\" and \"0.4.10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3.7-r3",
+          "0.4.10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.4.10\" before \"0.5.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5.0",
+          "0.4.10"
+        ]
+      },
+      "expected_output": [
+        "0.4.10",
+        "0.5.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.4.10\" and \"0.5.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.4.10",
+          "0.5.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.5.0\" before \"0.5.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5.5",
+          "0.5.0"
+        ]
+      },
+      "expected_output": [
+        "0.5.0",
+        "0.5.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.5.0\" and \"0.5.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5.0",
+          "0.5.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.5.5\" before \"0.5.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5.7",
+          "0.5.5"
+        ]
+      },
+      "expected_output": [
+        "0.5.5",
+        "0.5.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.5.5\" and \"0.5.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5.5",
+          "0.5.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.5.7\" before \"0.6.11-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.11-r1",
+          "0.5.7"
+        ]
+      },
+      "expected_output": [
+        "0.5.7",
+        "0.6.11-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.5.7\" and \"0.6.11-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.5.7",
+          "0.6.11-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6.11-r1\" before \"2.3.30-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.30-r2",
+          "0.6.11-r1"
+        ]
+      },
+      "expected_output": [
+        "0.6.11-r1",
+        "2.3.30-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.6.11-r1\" and \"2.3.30-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.11-r1",
+          "2.3.30-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.3.30-r2\" before \"3.7_p1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.7_p1",
+          "2.3.30-r2"
+        ]
+      },
+      "expected_output": [
+        "2.3.30-r2",
+        "3.7_p1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.3.30-r2\" and \"3.7_p1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.30-r2",
+          "3.7_p1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3\" before \"3.7_p1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.7_p1",
+          "1.3"
+        ]
+      },
+      "expected_output": [
+        "1.3",
+        "3.7_p1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.7_p1\" and \"1.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.7_p1",
+          "1.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.10.1\" before \"1.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3",
+          "0.10.1"
+        ]
+      },
+      "expected_output": [
+        "0.10.1",
+        "1.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3\" and \"0.10.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3",
+          "0.10.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.10.1\" before \"4.3_p2-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3_p2-r1",
+          "0.10.1"
+        ]
+      },
+      "expected_output": [
+        "0.10.1",
+        "4.3_p2-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.10.1\" and \"4.3_p2-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.10.1",
+          "4.3_p2-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.3_p2-r1\" before \"4.3_p2-r5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3_p2-r5",
+          "4.3_p2-r1"
+        ]
+      },
+      "expected_output": [
+        "4.3_p2-r1",
+        "4.3_p2-r5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.3_p2-r1\" and \"4.3_p2-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3_p2-r1",
+          "4.3_p2-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.3_p2-r5\" before \"4.4_p1-r6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.4_p1-r6",
+          "4.3_p2-r5"
+        ]
+      },
+      "expected_output": [
+        "4.3_p2-r5",
+        "4.4_p1-r6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.3_p2-r5\" and \"4.4_p1-r6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3_p2-r5",
+          "4.4_p1-r6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.4_p1-r6\" before \"4.5_p1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5_p1-r1",
+          "4.4_p1-r6"
+        ]
+      },
+      "expected_output": [
+        "4.4_p1-r6",
+        "4.5_p1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.4_p1-r6\" and \"4.5_p1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.4_p1-r6",
+          "4.5_p1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.5_p1\" before \"4.5_p1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5_p1-r1",
+          "4.5_p1"
+        ]
+      },
+      "expected_output": [
+        "4.5_p1",
+        "4.5_p1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.5_p1-r1\" and \"4.5_p1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5_p1-r1",
+          "4.5_p1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.8c-r1\" before \"4.5_p1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5_p1",
+          "0.9.8c-r1"
+        ]
+      },
+      "expected_output": [
+        "0.9.8c-r1",
+        "4.5_p1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.5_p1\" and \"0.9.8c-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5_p1",
+          "0.9.8c-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.8c-r1\" before \"0.9.8d\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.8d",
+          "0.9.8c-r1"
+        ]
+      },
+      "expected_output": [
+        "0.9.8c-r1",
+        "0.9.8d"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.8c-r1\" and \"0.9.8d\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.8c-r1",
+          "0.9.8d"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.8d\" before \"2.4.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.4",
+          "0.9.8d"
+        ]
+      },
+      "expected_output": [
+        "0.9.8d",
+        "2.4.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.8d\" and \"2.4.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.8d",
+          "2.4.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.4.4\" before \"2.4.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.7",
+          "2.4.4"
+        ]
+      },
+      "expected_output": [
+        "2.4.4",
+        "2.4.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.4.4\" and \"2.4.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.4",
+          "2.4.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.0.6\" before \"2.4.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.7",
+          "2.0.6"
+        ]
+      },
+      "expected_output": [
+        "2.0.6",
+        "2.4.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.4.7\" and \"2.0.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.7",
+          "2.0.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.78-r3\" before \"2.0.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.6",
+          "0.78-r3"
+        ]
+      },
+      "expected_output": [
+        "0.78-r3",
+        "2.0.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.0.6\" and \"0.78-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.0.6",
+          "0.78-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3.2\" before \"0.78-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.78-r3",
+          "0.3.2"
+        ]
+      },
+      "expected_output": [
+        "0.3.2",
+        "0.78-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.78-r3\" and \"0.3.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.78-r3",
+          "0.3.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3.2\" before \"1.7.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.7.1-r1",
+          "0.3.2"
+        ]
+      },
+      "expected_output": [
+        "0.3.2",
+        "1.7.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.3.2\" and \"1.7.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3.2",
+          "1.7.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.7.1-r1\" before \"2.5.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.9",
+          "1.7.1-r1"
+        ]
+      },
+      "expected_output": [
+        "1.7.1-r1",
+        "2.5.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.7.1-r1\" and \"2.5.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.7.1-r1",
+          "2.5.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.13\" before \"2.5.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.9",
+          "0.1.13"
+        ]
+      },
+      "expected_output": [
+        "0.1.13",
+        "2.5.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.5.9\" and \"0.1.13\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.9",
+          "0.1.13"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.13\" before \"0.1.15\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.15",
+          "0.1.13"
+        ]
+      },
+      "expected_output": [
+        "0.1.13",
+        "0.1.15"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.13\" and \"0.1.15\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.13",
+          "0.1.15"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.15\" before \"0.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.4",
+          "0.1.15"
+        ]
+      },
+      "expected_output": [
+        "0.1.15",
+        "0.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.15\" and \"0.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.15",
+          "0.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.4\" before \"0.9.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.6",
+          "0.4"
+        ]
+      },
+      "expected_output": [
+        "0.4",
+        "0.9.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.4\" and \"0.9.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.4",
+          "0.9.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.6\" before \"2.2.0-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.0-r1",
+          "0.9.6"
+        ]
+      },
+      "expected_output": [
+        "0.9.6",
+        "2.2.0-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.6\" and \"2.2.0-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.6",
+          "2.2.0-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.2.0-r1\" before \"2.2.3-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.3-r2",
+          "2.2.0-r1"
+        ]
+      },
+      "expected_output": [
+        "2.2.0-r1",
+        "2.2.3-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.2.0-r1\" and \"2.2.3-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.0-r1",
+          "2.2.3-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.1-r1\" before \"5.8.8-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.8.8-r2",
+          "1.3.1-r1"
+        ]
+      },
+      "expected_output": [
+        "1.3.1-r1",
+        "5.8.8-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.1-r1\" and \"5.8.8-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.1-r1",
+          "5.8.8-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.1.6-r4\" before \"5.8.8-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.8.8-r2",
+          "5.1.6-r4"
+        ]
+      },
+      "expected_output": [
+        "5.1.6-r4",
+        "5.8.8-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.8.8-r2\" and \"5.1.6-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.8.8-r2",
+          "5.1.6-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.1.6-r4\" before \"5.1.6-r6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1.6-r6",
+          "5.1.6-r4"
+        ]
+      },
+      "expected_output": [
+        "5.1.6-r4",
+        "5.1.6-r6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.1.6-r4\" and \"5.1.6-r6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1.6-r4",
+          "5.1.6-r6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.1.6-r6\" before \"5.2.1-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.2.1-r3",
+          "5.1.6-r6"
+        ]
+      },
+      "expected_output": [
+        "5.1.6-r6",
+        "5.2.1-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.1.6-r6\" and \"5.2.1-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1.6-r6",
+          "5.2.1-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.11.3\" before \"5.2.1-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.2.1-r3",
+          "0.11.3"
+        ]
+      },
+      "expected_output": [
+        "0.11.3",
+        "5.2.1-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.2.1-r3\" and \"0.11.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.2.1-r3",
+          "0.11.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.11.3\" before \"1.10.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.10.7",
+          "0.11.3"
+        ]
+      },
+      "expected_output": [
+        "0.11.3",
+        "1.10.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.11.3\" and \"1.10.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.11.3",
+          "1.10.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.7-r1\" before \"1.10.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.10.7",
+          "1.7-r1"
+        ]
+      },
+      "expected_output": [
+        "1.7-r1",
+        "1.10.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.10.7\" and \"1.7-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.10.7",
+          "1.7-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.20\" before \"1.7-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.7-r1",
+          "0.1.20"
+        ]
+      },
+      "expected_output": [
+        "0.1.20",
+        "1.7-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.7-r1\" and \"0.1.20\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.7-r1",
+          "0.1.20"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.20\" before \"0.1.23\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.23",
+          "0.1.20"
+        ]
+      },
+      "expected_output": [
+        "0.1.20",
+        "0.1.23"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.20\" and \"0.1.23\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.20",
+          "0.1.23"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.23\" before \"5b-r9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5b-r9",
+          "0.1.23"
+        ]
+      },
+      "expected_output": [
+        "0.1.23",
+        "5b-r9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.23\" and \"5b-r9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.23",
+          "5b-r9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.2.10\" before \"5b-r9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5b-r9",
+          "2.2.10"
+        ]
+      },
+      "expected_output": [
+        "2.2.10",
+        "5b-r9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5b-r9\" and \"2.2.10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5b-r9",
+          "2.2.10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.2.10\" before \"2.3.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.6",
+          "2.2.10"
+        ]
+      },
+      "expected_output": [
+        "2.2.10",
+        "2.3.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.2.10\" and \"2.3.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.2.10",
+          "2.3.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.3.6\" before \"8.0.12\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.0.12",
+          "2.3.6"
+        ]
+      },
+      "expected_output": [
+        "2.3.6",
+        "8.0.12"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.3.6\" and \"8.0.12\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3.6",
+          "8.0.12"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.4.3-r16\" before \"8.0.12\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.0.12",
+          "2.4.3-r16"
+        ]
+      },
+      "expected_output": [
+        "2.4.3-r16",
+        "8.0.12"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"8.0.12\" and \"2.4.3-r16\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.0.12",
+          "2.4.3-r16"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.4.3-r16\" before \"2.4.4-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.4-r4",
+          "2.4.3-r16"
+        ]
+      },
+      "expected_output": [
+        "2.4.3-r16",
+        "2.4.4-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.4.3-r16\" and \"2.4.4-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.3-r16",
+          "2.4.4-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.4.4-r4\" before \"3.0.3-r5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.3-r5",
+          "2.4.4-r4"
+        ]
+      },
+      "expected_output": [
+        "2.4.4-r4",
+        "3.0.3-r5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.4.4-r4\" and \"3.0.3-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.4-r4",
+          "3.0.3-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.0.3-r5\" before \"3.0.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.6",
+          "3.0.3-r5"
+        ]
+      },
+      "expected_output": [
+        "3.0.3-r5",
+        "3.0.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.0.3-r5\" and \"3.0.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.3-r5",
+          "3.0.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.0.6\" before \"3.2.6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.6",
+          "3.0.6"
+        ]
+      },
+      "expected_output": [
+        "3.0.6",
+        "3.2.6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.0.6\" and \"3.2.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.6",
+          "3.2.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.2.6\" before \"3.2.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.7",
+          "3.2.6"
+        ]
+      },
+      "expected_output": [
+        "3.2.6",
+        "3.2.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.2.6\" and \"3.2.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.6",
+          "3.2.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3.1_rc8\" before \"3.2.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.7",
+          "0.3.1_rc8"
+        ]
+      },
+      "expected_output": [
+        "0.3.1_rc8",
+        "3.2.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.2.7\" and \"0.3.1_rc8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.7",
+          "0.3.1_rc8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3.1_rc8\" before \"22.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.2",
+          "0.3.1_rc8"
+        ]
+      },
+      "expected_output": [
+        "0.3.1_rc8",
+        "22.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.3.1_rc8\" and \"22.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3.1_rc8",
+          "22.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"22.2\" before \"22.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.3",
+          "22.2"
+        ]
+      },
+      "expected_output": [
+        "22.2",
+        "22.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"22.2\" and \"22.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.2",
+          "22.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.2\" before \"22.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.3",
+          "1.2.2"
+        ]
+      },
+      "expected_output": [
+        "1.2.2",
+        "22.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"22.3\" and \"1.2.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "22.3",
+          "1.2.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.2\" before \"2.04\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.04",
+          "1.2.2"
+        ]
+      },
+      "expected_output": [
+        "1.2.2",
+        "2.04"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.2\" and \"2.04\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.2",
+          "2.04"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.04\" before \"2.4.3-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.3-r1",
+          "2.04"
+        ]
+      },
+      "expected_output": [
+        "2.04",
+        "2.4.3-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.04\" and \"2.4.3-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.04",
+          "2.4.3-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.4.3-r1\" before \"2.4.3-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.3-r4",
+          "2.4.3-r1"
+        ]
+      },
+      "expected_output": [
+        "2.4.3-r1",
+        "2.4.3-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.4.3-r1\" and \"2.4.3-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.3-r1",
+          "2.4.3-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.98.6-r1\" before \"2.4.3-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.3-r4",
+          "0.98.6-r1"
+        ]
+      },
+      "expected_output": [
+        "0.98.6-r1",
+        "2.4.3-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.4.3-r4\" and \"0.98.6-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.3-r4",
+          "0.98.6-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.98.6-r1\" before \"5.7-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.7-r2",
+          "0.98.6-r1"
+        ]
+      },
+      "expected_output": [
+        "0.98.6-r1",
+        "5.7-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.98.6-r1\" and \"5.7-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.98.6-r1",
+          "5.7-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.7-r2\" before \"5.7-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.7-r3",
+          "5.7-r2"
+        ]
+      },
+      "expected_output": [
+        "5.7-r2",
+        "5.7-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.7-r2\" and \"5.7-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.7-r2",
+          "5.7-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.1_p4\" before \"5.7-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.7-r3",
+          "5.1_p4"
+        ]
+      },
+      "expected_output": [
+        "5.1_p4",
+        "5.7-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.7-r3\" and \"5.1_p4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.7-r3",
+          "5.1_p4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.5\" before \"5.1_p4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1_p4",
+          "1.0.5"
+        ]
+      },
+      "expected_output": [
+        "1.0.5",
+        "5.1_p4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.1_p4\" and \"1.0.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.1_p4",
+          "1.0.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.5\" before \"3.6.19-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.6.19-r1",
+          "1.0.5"
+        ]
+      },
+      "expected_output": [
+        "1.0.5",
+        "3.6.19-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.5\" and \"3.6.19-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.5",
+          "3.6.19-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.6.19\" before \"3.6.19-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.6.19-r1",
+          "3.6.19"
+        ]
+      },
+      "expected_output": [
+        "3.6.19",
+        "3.6.19-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.6.19-r1\" and \"3.6.19\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.6.19-r1",
+          "3.6.19"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"3.6.19\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.6.19",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "3.6.19"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.6.19\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.6.19",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"3.8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.8",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "3.8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"3.8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "3.8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.3\" before \"3.8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.8",
+          "0.2.3"
+        ]
+      },
+      "expected_output": [
+        "0.2.3",
+        "3.8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.8\" and \"0.2.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.8",
+          "0.2.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.3\" before \"1.2.15-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.15-r3",
+          "0.2.3"
+        ]
+      },
+      "expected_output": [
+        "0.2.3",
+        "1.2.15-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2.3\" and \"1.2.15-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.3",
+          "1.2.15-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.6-r1\" before \"1.2.15-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.15-r3",
+          "1.2.6-r1"
+        ]
+      },
+      "expected_output": [
+        "1.2.6-r1",
+        "1.2.15-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.15-r3\" and \"1.2.6-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.15-r3",
+          "1.2.6-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.6-r1\" before \"2.6.8-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.8-r2",
+          "1.2.6-r1"
+        ]
+      },
+      "expected_output": [
+        "1.2.6-r1",
+        "2.6.8-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.6-r1\" and \"2.6.8-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.6-r1",
+          "2.6.8-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.8-r2\" before \"2.6.9-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.9-r1",
+          "2.6.8-r2"
+        ]
+      },
+      "expected_output": [
+        "2.6.8-r2",
+        "2.6.9-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.8-r2\" and \"2.6.9-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.8-r2",
+          "2.6.9-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.7\" before \"2.6.9-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.9-r1",
+          "1.7"
+        ]
+      },
+      "expected_output": [
+        "1.7",
+        "2.6.9-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.9-r1\" and \"1.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.9-r1",
+          "1.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.7\" before \"1.7b\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.7b",
+          "1.7"
+        ]
+      },
+      "expected_output": [
+        "1.7",
+        "1.7b"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.7\" and \"1.7b\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.7",
+          "1.7b"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.7b\" before \"1.8.4-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8.4-r3",
+          "1.7b"
+        ]
+      },
+      "expected_output": [
+        "1.7b",
+        "1.8.4-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.7b\" and \"1.8.4-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.7b",
+          "1.8.4-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.8.4-r3\" before \"1.8.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8.5",
+          "1.8.4-r3"
+        ]
+      },
+      "expected_output": [
+        "1.8.4-r3",
+        "1.8.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.8.4-r3\" and \"1.8.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8.4-r3",
+          "1.8.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.8.5\" before \"1.8.5_p2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8.5_p2",
+          "1.8.5"
+        ]
+      },
+      "expected_output": [
+        "1.8.5",
+        "1.8.5_p2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.8.5\" and \"1.8.5_p2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8.5",
+          "1.8.5_p2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.3\" before \"1.8.5_p2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8.5_p2",
+          "1.1.3"
+        ]
+      },
+      "expected_output": [
+        "1.1.3",
+        "1.8.5_p2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.8.5_p2\" and \"1.1.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8.5_p2",
+          "1.1.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.3\" before \"3.0.22-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.22-r3",
+          "1.1.3"
+        ]
+      },
+      "expected_output": [
+        "1.1.3",
+        "3.0.22-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.3\" and \"3.0.22-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.3",
+          "3.0.22-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.0.22-r3\" before \"3.0.24\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.24",
+          "3.0.22-r3"
+        ]
+      },
+      "expected_output": [
+        "3.0.22-r3",
+        "3.0.24"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.0.22-r3\" and \"3.0.24\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.22-r3",
+          "3.0.24"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.0.24\" before \"4.0.2-r5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.0.2-r5",
+          "3.0.24"
+        ]
+      },
+      "expected_output": [
+        "3.0.24",
+        "4.0.2-r5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.0.24\" and \"4.0.2-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.0.24",
+          "4.0.2-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.0.2-r5\" before \"4.0.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.0.3",
+          "4.0.2-r5"
+        ]
+      },
+      "expected_output": [
+        "4.0.2-r5",
+        "4.0.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.0.2-r5\" and \"4.0.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.0.2-r5",
+          "4.0.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.98\" before \"4.0.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.0.3",
+          "0.98"
+        ]
+      },
+      "expected_output": [
+        "0.98",
+        "4.0.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.0.3\" and \"0.98\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.0.3",
+          "0.98"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.98\" before \"1.00\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.00",
+          "0.98"
+        ]
+      },
+      "expected_output": [
+        "0.98",
+        "1.00"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.98\" and \"1.00\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.98",
+          "1.00"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.00\" before \"4.1.4-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.4-r1",
+          "1.00"
+        ]
+      },
+      "expected_output": [
+        "1.00",
+        "4.1.4-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.00\" and \"4.1.4-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.00",
+          "4.1.4-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.1.4-r1\" before \"4.1.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.5",
+          "4.1.4-r1"
+        ]
+      },
+      "expected_output": [
+        "4.1.4-r1",
+        "4.1.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.1.4-r1\" and \"4.1.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.4-r1",
+          "4.1.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.3\" before \"4.1.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.5",
+          "2.3"
+        ]
+      },
+      "expected_output": [
+        "2.3",
+        "4.1.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.1.5\" and \"2.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.5",
+          "2.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.3\" before \"2.17-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.17-r3",
+          "2.3"
+        ]
+      },
+      "expected_output": [
+        "2.3",
+        "2.17-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.3\" and \"2.17-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.3",
+          "2.17-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.7\" before \"2.17-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.17-r3",
+          "0.1.7"
+        ]
+      },
+      "expected_output": [
+        "0.1.7",
+        "2.17-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.17-r3\" and \"0.1.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.17-r3",
+          "0.1.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.7\" before \"1.11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.11",
+          "0.1.7"
+        ]
+      },
+      "expected_output": [
+        "0.1.7",
+        "1.11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.7\" and \"1.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.7",
+          "1.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.11\" before \"4.2.1-r11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.1-r11",
+          "1.11"
+        ]
+      },
+      "expected_output": [
+        "1.11",
+        "4.2.1-r11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.11\" and \"4.2.1-r11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.11",
+          "4.2.1-r11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.2.3\" before \"4.2.1-r11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.1-r11",
+          "3.2.3"
+        ]
+      },
+      "expected_output": [
+        "3.2.3",
+        "4.2.1-r11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.2.1-r11\" and \"3.2.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.1-r11",
+          "3.2.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.2.3\" before \"3.2.4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.4",
+          "3.2.3"
+        ]
+      },
+      "expected_output": [
+        "3.2.3",
+        "3.2.4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.2.3\" and \"3.2.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.3",
+          "3.2.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.2.4\" before \"3.2.8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.8",
+          "3.2.4"
+        ]
+      },
+      "expected_output": [
+        "3.2.4",
+        "3.2.8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.2.4\" and \"3.2.8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.4",
+          "3.2.8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.2.8\" before \"3.2.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.9",
+          "3.2.8"
+        ]
+      },
+      "expected_output": [
+        "3.2.8",
+        "3.2.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.2.8\" and \"3.2.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.8",
+          "3.2.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.2.3\" before \"3.2.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.9",
+          "3.2.3"
+        ]
+      },
+      "expected_output": [
+        "3.2.3",
+        "3.2.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.2.9\" and \"3.2.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.9",
+          "3.2.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.4.9-r2\" before \"3.2.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.9",
+          "1.4.9-r2"
+        ]
+      },
+      "expected_output": [
+        "1.4.9-r2",
+        "3.2.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.2.9\" and \"1.4.9-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.2.9",
+          "1.4.9-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.4.9-r2\" before \"2.9.11_pre20051101-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.11_pre20051101-r2",
+          "1.4.9-r2"
+        ]
+      },
+      "expected_output": [
+        "1.4.9-r2",
+        "2.9.11_pre20051101-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.4.9-r2\" and \"2.9.11_pre20051101-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.9-r2",
+          "2.9.11_pre20051101-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.9.11_pre20051101-r2\" before \"2.9.11_pre20051101-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.11_pre20051101-r3",
+          "2.9.11_pre20051101-r2"
+        ]
+      },
+      "expected_output": [
+        "2.9.11_pre20051101-r2",
+        "2.9.11_pre20051101-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.9.11_pre20051101-r2\" and \"2.9.11_pre20051101-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.11_pre20051101-r2",
+          "2.9.11_pre20051101-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.9.11_pre20051101\" before \"2.9.11_pre20051101-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.11_pre20051101-r3",
+          "2.9.11_pre20051101"
+        ]
+      },
+      "expected_output": [
+        "2.9.11_pre20051101",
+        "2.9.11_pre20051101-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.9.11_pre20051101-r3\" and \"2.9.11_pre20051101\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.11_pre20051101-r3",
+          "2.9.11_pre20051101"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.9.11_pre20051101\" before \"2.9.11_pre20061021-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.11_pre20061021-r1",
+          "2.9.11_pre20051101"
+        ]
+      },
+      "expected_output": [
+        "2.9.11_pre20051101",
+        "2.9.11_pre20061021-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.9.11_pre20051101\" and \"2.9.11_pre20061021-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.11_pre20051101",
+          "2.9.11_pre20061021-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.9.11_pre20061021-r1\" before \"2.9.11_pre20061021-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.11_pre20061021-r2",
+          "2.9.11_pre20061021-r1"
+        ]
+      },
+      "expected_output": [
+        "2.9.11_pre20061021-r1",
+        "2.9.11_pre20061021-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.9.11_pre20061021-r1\" and \"2.9.11_pre20061021-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.11_pre20061021-r1",
+          "2.9.11_pre20061021-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.9.11_pre20061021-r2\" before \"5.36-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.36-r1",
+          "2.9.11_pre20061021-r2"
+        ]
+      },
+      "expected_output": [
+        "2.9.11_pre20061021-r2",
+        "5.36-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.9.11_pre20061021-r2\" and \"5.36-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.9.11_pre20061021-r2",
+          "5.36-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"5.36-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.36-r1",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "5.36-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.36-r1\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.36-r1",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"7.0-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.0-r2",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "7.0-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"7.0-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "7.0-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.4.5\" before \"7.0-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.0-r2",
+          "2.4.5"
+        ]
+      },
+      "expected_output": [
+        "2.4.5",
+        "7.0-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"7.0-r2\" and \"2.4.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.0-r2",
+          "2.4.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.4.5\" before \"2.6.1.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1.2",
+          "2.4.5"
+        ]
+      },
+      "expected_output": [
+        "2.4.5",
+        "2.6.1.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.4.5\" and \"2.6.1.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.4.5",
+          "2.6.1.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.1.2\" before \"2.6.1.3-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1.3-r1",
+          "2.6.1.2"
+        ]
+      },
+      "expected_output": [
+        "2.6.1.2",
+        "2.6.1.3-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.1.2\" and \"2.6.1.3-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1.2",
+          "2.6.1.3-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.1.3\" before \"2.6.1.3-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1.3-r1",
+          "2.6.1.3"
+        ]
+      },
+      "expected_output": [
+        "2.6.1.3",
+        "2.6.1.3-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.1.3-r1\" and \"2.6.1.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1.3-r1",
+          "2.6.1.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.1.3-r1\" before \"12.17.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "12.17.9",
+          "2.6.1.3-r1"
+        ]
+      },
+      "expected_output": [
+        "2.6.1.3-r1",
+        "12.17.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.1.3-r1\" and \"12.17.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.1.3-r1",
+          "12.17.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.12\" before \"12.17.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "12.17.9",
+          "1.1.12"
+        ]
+      },
+      "expected_output": [
+        "1.1.12",
+        "12.17.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"12.17.9\" and \"1.1.12\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "12.17.9",
+          "1.1.12"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.7\" before \"1.1.12\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.12",
+          "1.1.7"
+        ]
+      },
+      "expected_output": [
+        "1.1.7",
+        "1.1.12"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.12\" and \"1.1.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.12",
+          "1.1.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.7\" before \"2.5.14\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.14",
+          "1.1.7"
+        ]
+      },
+      "expected_output": [
+        "1.1.7",
+        "2.5.14"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.7\" and \"2.5.14\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.7",
+          "2.5.14"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.5.14\" before \"2.6.6-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.6-r1",
+          "2.5.14"
+        ]
+      },
+      "expected_output": [
+        "2.5.14",
+        "2.6.6-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.5.14\" and \"2.6.6-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.5.14",
+          "2.6.6-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.6-r1\" before \"2.6.7\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.7",
+          "2.6.6-r1"
+        ]
+      },
+      "expected_output": [
+        "2.6.6-r1",
+        "2.6.7"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.6-r1\" and \"2.6.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.6-r1",
+          "2.6.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.7\" before \"2.6.9-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.9-r1",
+          "2.6.7"
+        ]
+      },
+      "expected_output": [
+        "2.6.7",
+        "2.6.9-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.7\" and \"2.6.9-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.7",
+          "2.6.9-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.6.9\" before \"2.6.9-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.9-r1",
+          "2.6.9"
+        ]
+      },
+      "expected_output": [
+        "2.6.9",
+        "2.6.9-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.9-r1\" and \"2.6.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.9-r1",
+          "2.6.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.39\" before \"2.6.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.9",
+          "1.39"
+        ]
+      },
+      "expected_output": [
+        "1.39",
+        "2.6.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.6.9\" and \"1.39\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.6.9",
+          "1.39"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9\" before \"1.39\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.39",
+          "0.9"
+        ]
+      },
+      "expected_output": [
+        "0.9",
+        "1.39"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.39\" and \"0.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.39",
+          "0.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9\" before \"2.61-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.61-r2",
+          "0.9"
+        ]
+      },
+      "expected_output": [
+        "0.9",
+        "2.61-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9\" and \"2.61-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9",
+          "2.61-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.61-r2\" before \"4.5.14\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5.14",
+          "2.61-r2"
+        ]
+      },
+      "expected_output": [
+        "2.61-r2",
+        "4.5.14"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.61-r2\" and \"4.5.14\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.61-r2",
+          "4.5.14"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.09-r1\" before \"4.5.14\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5.14",
+          "4.09-r1"
+        ]
+      },
+      "expected_output": [
+        "4.09-r1",
+        "4.5.14"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.5.14\" and \"4.09-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.5.14",
+          "4.09-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.1\" before \"4.09-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.09-r1",
+          "1.3.1"
+        ]
+      },
+      "expected_output": [
+        "1.3.1",
+        "4.09-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.09-r1\" and \"1.3.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.09-r1",
+          "1.3.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.1\" before \"1.3.2-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.2-r3",
+          "1.3.1"
+        ]
+      },
+      "expected_output": [
+        "1.3.1",
+        "1.3.2-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.1\" and \"1.3.2-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.1",
+          "1.3.2-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.2-r3\" before \"1.6.8_p12-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6.8_p12-r1",
+          "1.3.2-r3"
+        ]
+      },
+      "expected_output": [
+        "1.3.2-r3",
+        "1.6.8_p12-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.2-r3\" and \"1.6.8_p12-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.2-r3",
+          "1.6.8_p12-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.6.8_p9-r2\" before \"1.6.8_p12-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6.8_p12-r1",
+          "1.6.8_p9-r2"
+        ]
+      },
+      "expected_output": [
+        "1.6.8_p9-r2",
+        "1.6.8_p12-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.6.8_p12-r1\" and \"1.6.8_p9-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6.8_p12-r1",
+          "1.6.8_p9-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.0-r1\" before \"1.6.8_p9-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6.8_p9-r2",
+          "1.3.0-r1"
+        ]
+      },
+      "expected_output": [
+        "1.3.0-r1",
+        "1.6.8_p9-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.6.8_p9-r2\" and \"1.3.0-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6.8_p9-r2",
+          "1.3.0-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3.0-r1\" before \"3.11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.11",
+          "1.3.0-r1"
+        ]
+      },
+      "expected_output": [
+        "1.3.0-r1",
+        "3.11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3.0-r1\" and \"3.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.0-r1",
+          "3.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.11\" before \"3.20\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.20",
+          "3.11"
+        ]
+      },
+      "expected_output": [
+        "3.11",
+        "3.20"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.11\" and \"3.20\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.11",
+          "3.20"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.6.11-r1\" before \"3.20\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.20",
+          "1.6.11-r1"
+        ]
+      },
+      "expected_output": [
+        "1.6.11-r1",
+        "3.20"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.20\" and \"1.6.11-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.20",
+          "1.6.11-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.6.9\" before \"1.6.11-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6.11-r1",
+          "1.6.9"
+        ]
+      },
+      "expected_output": [
+        "1.6.9",
+        "1.6.11-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.6.11-r1\" and \"1.6.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6.11-r1",
+          "1.6.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.6.9\" before \"5.0.5-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.0.5-r2",
+          "1.6.9"
+        ]
+      },
+      "expected_output": [
+        "1.6.9",
+        "5.0.5-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.6.9\" and \"5.0.5-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6.9",
+          "5.0.5-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.86-r5\" before \"5.0.5-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.0.5-r2",
+          "2.86-r5"
+        ]
+      },
+      "expected_output": [
+        "2.86-r5",
+        "5.0.5-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.0.5-r2\" and \"2.86-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.0.5-r2",
+          "2.86-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.86-r5\" before \"2.86-r6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.86-r6",
+          "2.86-r5"
+        ]
+      },
+      "expected_output": [
+        "2.86-r5",
+        "2.86-r6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.86-r5\" and \"2.86-r6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.86-r5",
+          "2.86-r6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.15.1-r1\" before \"2.86-r6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.86-r6",
+          "1.15.1-r1"
+        ]
+      },
+      "expected_output": [
+        "1.15.1-r1",
+        "2.86-r6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.86-r6\" and \"1.15.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.86-r6",
+          "1.15.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.15.1-r1\" before \"8.4.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.4.9",
+          "1.15.1-r1"
+        ]
+      },
+      "expected_output": [
+        "1.15.1-r1",
+        "8.4.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.15.1-r1\" and \"8.4.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.15.1-r1",
+          "8.4.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"7.6-r8\" before \"8.4.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.4.9",
+          "7.6-r8"
+        ]
+      },
+      "expected_output": [
+        "7.6-r8",
+        "8.4.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"8.4.9\" and \"7.6-r8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "8.4.9",
+          "7.6-r8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.9.4-r2\" before \"7.6-r8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.6-r8",
+          "3.9.4-r2"
+        ]
+      },
+      "expected_output": [
+        "3.9.4-r2",
+        "7.6-r8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"7.6-r8\" and \"3.9.4-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.6-r8",
+          "3.9.4-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.9.4-r2\" before \"3.9.4-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.4-r3",
+          "3.9.4-r2"
+        ]
+      },
+      "expected_output": [
+        "3.9.4-r2",
+        "3.9.4-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.9.4-r2\" and \"3.9.4-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.4-r2",
+          "3.9.4-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"3.9.4-r3\" before \"3.9.5-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.5-r2",
+          "3.9.4-r3"
+        ]
+      },
+      "expected_output": [
+        "3.9.4-r3",
+        "3.9.5-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.9.4-r3\" and \"3.9.5-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.4-r3",
+          "3.9.5-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.9\" before \"3.9.5-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.5-r2",
+          "1.1.9"
+        ]
+      },
+      "expected_output": [
+        "1.1.9",
+        "3.9.5-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"3.9.5-r2\" and \"1.1.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "3.9.5-r2",
+          "1.1.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.6\" before \"1.1.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.9",
+          "1.0.6"
+        ]
+      },
+      "expected_output": [
+        "1.0.6",
+        "1.1.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.9\" and \"1.0.6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.9",
+          "1.0.6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.6\" before \"5.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.9",
+          "1.0.6"
+        ]
+      },
+      "expected_output": [
+        "1.0.6",
+        "5.9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.6\" and \"5.9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.6",
+          "5.9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"5.9\" before \"6.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.5",
+          "5.9"
+        ]
+      },
+      "expected_output": [
+        "5.9",
+        "6.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.9\" and \"6.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.9",
+          "6.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.40-r1\" before \"6.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.5",
+          "0.40-r1"
+        ]
+      },
+      "expected_output": [
+        "0.40-r1",
+        "6.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6.5\" and \"0.40-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.5",
+          "0.40-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.40-r1\" before \"2.25b-r5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.25b-r5",
+          "0.40-r1"
+        ]
+      },
+      "expected_output": [
+        "0.40-r1",
+        "2.25b-r5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.40-r1\" and \"2.25b-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.40-r1",
+          "2.25b-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.25b-r5\" before \"2.25b-r6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.25b-r6",
+          "2.25b-r5"
+        ]
+      },
+      "expected_output": [
+        "2.25b-r5",
+        "2.25b-r6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.25b-r5\" and \"2.25b-r6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.25b-r5",
+          "2.25b-r6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.4\" before \"2.25b-r6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.25b-r6",
+          "1.0.4"
+        ]
+      },
+      "expected_output": [
+        "1.0.4",
+        "2.25b-r6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.25b-r6\" and \"1.0.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.25b-r6",
+          "1.0.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.4\" before \"1.0.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.5",
+          "1.0.4"
+        ]
+      },
+      "expected_output": [
+        "1.0.4",
+        "1.0.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.4\" and \"1.0.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.4",
+          "1.0.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.5\" before \"1.4_p12-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4_p12-r2",
+          "1.0.5"
+        ]
+      },
+      "expected_output": [
+        "1.0.5",
+        "1.4_p12-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.5\" and \"1.4_p12-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.5",
+          "1.4_p12-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.4_p12-r2\" before \"1.4_p12-r5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4_p12-r5",
+          "1.4_p12-r2"
+        ]
+      },
+      "expected_output": [
+        "1.4_p12-r2",
+        "1.4_p12-r5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.4_p12-r2\" and \"1.4_p12-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4_p12-r2",
+          "1.4_p12-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1\" before \"1.4_p12-r5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4_p12-r5",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "1.4_p12-r5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.4_p12-r5\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4_p12-r5",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.0-r1\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "0.2.0-r1"
+        ]
+      },
+      "expected_output": [
+        "0.2.0-r1",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1\" and \"0.2.0-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1",
+          "0.2.0-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.0-r1\" before \"0.2.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.1",
+          "0.2.0-r1"
+        ]
+      },
+      "expected_output": [
+        "0.2.0-r1",
+        "0.2.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2.0-r1\" and \"0.2.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.0-r1",
+          "0.2.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.1\" before \"0.9.28-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.28-r1",
+          "0.2.1"
+        ]
+      },
+      "expected_output": [
+        "0.2.1",
+        "0.9.28-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2.1\" and \"0.9.28-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.1",
+          "0.9.28-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.28-r1\" before \"0.9.28-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.28-r2",
+          "0.9.28-r1"
+        ]
+      },
+      "expected_output": [
+        "0.9.28-r1",
+        "0.9.28-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.28-r1\" and \"0.9.28-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.28-r1",
+          "0.9.28-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.28-r2\" before \"0.9.28.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.28.1",
+          "0.9.28-r2"
+        ]
+      },
+      "expected_output": [
+        "0.9.28-r2",
+        "0.9.28.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.28-r2\" and \"0.9.28.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.28-r2",
+          "0.9.28.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.28\" before \"0.9.28.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.28.1",
+          "0.9.28"
+        ]
+      },
+      "expected_output": [
+        "0.9.28",
+        "0.9.28.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.28.1\" and \"0.9.28\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.28.1",
+          "0.9.28"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"103\" before \"104-r11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "104-r11",
+          "103"
+        ]
+      },
+      "expected_output": [
+        "103",
+        "104-r11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"103\" and \"104-r11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "103",
+          "104-r11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"104-r9\" before \"104-r11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "104-r11",
+          "104-r9"
+        ]
+      },
+      "expected_output": [
+        "104-r9",
+        "104-r11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"104-r11\" and \"104-r9\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "104-r11",
+          "104-r9"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.23-r1\" before \"104-r9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "104-r9",
+          "1.23-r1"
+        ]
+      },
+      "expected_output": [
+        "1.23-r1",
+        "104-r9"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"104-r9\" and \"1.23-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "104-r9",
+          "1.23-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.23\" before \"1.23-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.23-r1",
+          "1.23"
+        ]
+      },
+      "expected_output": [
+        "1.23",
+        "1.23-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.23-r1\" and \"1.23\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.23-r1",
+          "1.23"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.2\" before \"1.23-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.23-r1",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "1.23-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.23-r1\" and \"1.0.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.23-r1",
+          "1.0.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.2\" before \"5.52-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.52-r1",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "5.52-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.2\" and \"5.52-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "5.52-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.5_rc2\" before \"5.52-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.52-r1",
+          "1.2.5_rc2"
+        ]
+      },
+      "expected_output": [
+        "1.2.5_rc2",
+        "5.52-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"5.52-r1\" and \"1.2.5_rc2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "5.52-r1",
+          "1.2.5_rc2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1\" before \"1.2.5_rc2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.5_rc2",
+          "0.1"
+        ]
+      },
+      "expected_output": [
+        "0.1",
+        "1.2.5_rc2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.5_rc2\" and \"0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.5_rc2",
+          "0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1\" before \"0.71-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.71-r1",
+          "0.1"
+        ]
+      },
+      "expected_output": [
+        "0.1",
+        "0.71-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1\" and \"0.71-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1",
+          "0.71-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.71-r1\" before \"20040406-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20040406-r1",
+          "0.71-r1"
+        ]
+      },
+      "expected_output": [
+        "0.71-r1",
+        "20040406-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.71-r1\" and \"20040406-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.71-r1",
+          "20040406-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.12r-r4\" before \"20040406-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20040406-r1",
+          "2.12r-r4"
+        ]
+      },
+      "expected_output": [
+        "2.12r-r4",
+        "20040406-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"20040406-r1\" and \"2.12r-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "20040406-r1",
+          "2.12r-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.12r-r4\" before \"2.12r-r5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.12r-r5",
+          "2.12r-r4"
+        ]
+      },
+      "expected_output": [
+        "2.12r-r4",
+        "2.12r-r5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.12r-r4\" and \"2.12r-r5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.12r-r4",
+          "2.12r-r5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.0.7\" before \"2.12r-r5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.12r-r5",
+          "0.0.7"
+        ]
+      },
+      "expected_output": [
+        "0.0.7",
+        "2.12r-r5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.12r-r5\" and \"0.0.7\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.12r-r5",
+          "0.0.7"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.0.7\" before \"1.0.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.3",
+          "0.0.7"
+        ]
+      },
+      "expected_output": [
+        "0.0.7",
+        "1.0.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.0.7\" and \"1.0.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.0.7",
+          "1.0.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.3\" before \"1.8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8",
+          "1.0.3"
+        ]
+      },
+      "expected_output": [
+        "1.0.3",
+        "1.8"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.3\" and \"1.8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.3",
+          "1.8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.8\" before \"7.0.17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.0.17",
+          "1.8"
+        ]
+      },
+      "expected_output": [
+        "1.8",
+        "7.0.17"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.8\" and \"7.0.17\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.8",
+          "7.0.17"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"7.0.17\" before \"7.0.174\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.0.174",
+          "7.0.17"
+        ]
+      },
+      "expected_output": [
+        "7.0.17",
+        "7.0.174"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"7.0.17\" and \"7.0.174\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.0.17",
+          "7.0.174"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"7.0.174\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.0.174",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "7.0.174"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"7.0.174\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "7.0.174",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"1.1.1-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1-r3",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "1.1.1-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"1.1.1-r3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "1.1.1-r3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3.4_pre20061029\" before \"1.1.1-r3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1-r3",
+          "0.3.4_pre20061029"
+        ]
+      },
+      "expected_output": [
+        "0.3.4_pre20061029",
+        "1.1.1-r3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.1-r3\" and \"0.3.4_pre20061029\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1-r3",
+          "0.3.4_pre20061029"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3.4_pre20061029\" before \"0.4.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.4.0",
+          "0.3.4_pre20061029"
+        ]
+      },
+      "expected_output": [
+        "0.3.4_pre20061029",
+        "0.4.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.3.4_pre20061029\" and \"0.4.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3.4_pre20061029",
+          "0.4.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.2\" before \"0.4.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.4.0",
+          "0.1.2"
+        ]
+      },
+      "expected_output": [
+        "0.1.2",
+        "0.4.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.4.0\" and \"0.1.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.4.0",
+          "0.1.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.2\" before \"1.10.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.10.2",
+          "0.1.2"
+        ]
+      },
+      "expected_output": [
+        "0.1.2",
+        "1.10.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.2\" and \"1.10.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.2",
+          "1.10.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.10.2\" before \"2.16\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.16",
+          "1.10.2"
+        ]
+      },
+      "expected_output": [
+        "1.10.2",
+        "2.16"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.10.2\" and \"2.16\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.10.2",
+          "2.16"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.16\" before \"28\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "28",
+          "2.16"
+        ]
+      },
+      "expected_output": [
+        "2.16",
+        "28"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.16\" and \"28\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.16",
+          "28"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.99.4\" before \"28\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "28",
+          "0.99.4"
+        ]
+      },
+      "expected_output": [
+        "0.99.4",
+        "28"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"28\" and \"0.99.4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "28",
+          "0.99.4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.99.4\" before \"1.13\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.13",
+          "0.99.4"
+        ]
+      },
+      "expected_output": [
+        "0.99.4",
+        "1.13"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.99.4\" and \"1.13\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.99.4",
+          "1.13"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"1.13\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.13",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "1.13"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.13\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.13",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"1.1.2-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.2-r2",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "1.1.2-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"1.1.2-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "1.1.2-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0\" before \"1.1.2-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.2-r2",
+          "1.1.0"
+        ]
+      },
+      "expected_output": [
+        "1.1.0",
+        "1.1.2-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.2-r2\" and \"1.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.2-r2",
+          "1.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0\" before \"1.1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1",
+          "1.1.0"
+        ]
+      },
+      "expected_output": [
+        "1.1.0",
+        "1.1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.0\" and \"1.1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "1.1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6.0\" before \"1.1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1",
+          "0.6.0"
+        ]
+      },
+      "expected_output": [
+        "0.6.0",
+        "1.1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.1\" and \"0.6.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1",
+          "0.6.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.6.0\" before \"6.6.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.6.3",
+          "0.6.0"
+        ]
+      },
+      "expected_output": [
+        "0.6.0",
+        "6.6.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.6.0\" and \"6.6.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.6.0",
+          "6.6.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.1\" before \"6.6.3\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.6.3",
+          "1.1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1.1",
+        "6.6.3"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"6.6.3\" and \"1.1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "6.6.3",
+          "1.1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.0\" before \"1.1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "0.2.0"
+        ]
+      },
+      "expected_output": [
+        "0.2.0",
+        "1.1.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.0\" and \"0.2.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "0.2.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.0\" before \"0.3.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3.0",
+          "0.2.0"
+        ]
+      },
+      "expected_output": [
+        "0.2.0",
+        "0.3.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2.0\" and \"0.3.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.0",
+          "0.3.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.3.0\" before \"1.1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1",
+          "0.3.0"
+        ]
+      },
+      "expected_output": [
+        "0.3.0",
+        "1.1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.3.0\" and \"1.1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.3.0",
+          "1.1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.1\" before \"1.2.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.0",
+          "1.1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1.1",
+        "1.2.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.1\" and \"1.2.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1",
+          "1.2.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0\" before \"1.2.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.0",
+          "1.1.0"
+        ]
+      },
+      "expected_output": [
+        "1.1.0",
+        "1.2.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.0\" and \"1.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.0",
+          "1.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0\" before \"1.6.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.6.5",
+          "1.1.0"
+        ]
+      },
+      "expected_output": [
+        "1.1.0",
+        "1.6.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.0\" and \"1.6.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "1.6.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0\" before \"1.4.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.2",
+          "1.1.0"
+        ]
+      },
+      "expected_output": [
+        "1.1.0",
+        "1.4.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.0\" and \"1.4.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "1.4.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.1\" before \"1.4.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.2",
+          "1.1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1.1",
+        "1.4.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.4.2\" and \"1.1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.2",
+          "1.1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.1\" before \"2.8.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.1",
+          "1.1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1.1",
+        "2.8.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.1\" and \"2.8.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1",
+          "2.8.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.0\" before \"2.8.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.1",
+          "1.2.0"
+        ]
+      },
+      "expected_output": [
+        "1.2.0",
+        "2.8.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.8.1\" and \"1.2.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.8.1",
+          "1.2.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.0\" before \"4.1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.0",
+          "1.2.0"
+        ]
+      },
+      "expected_output": [
+        "1.2.0",
+        "4.1.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.0\" and \"4.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.0",
+          "4.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.4.1\" before \"4.1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.0",
+          "0.4.1"
+        ]
+      },
+      "expected_output": [
+        "0.4.1",
+        "4.1.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.1.0\" and \"0.4.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.0",
+          "0.4.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.4.1\" before \"1.9.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.9.1",
+          "0.4.1"
+        ]
+      },
+      "expected_output": [
+        "0.4.1",
+        "1.9.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.4.1\" and \"1.9.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.4.1",
+          "1.9.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.9.1\" before \"2.1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.1",
+          "1.9.1"
+        ]
+      },
+      "expected_output": [
+        "1.9.1",
+        "2.1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.9.1\" and \"2.1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.9.1",
+          "2.1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.4.1\" before \"2.1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.1",
+          "1.4.1"
+        ]
+      },
+      "expected_output": [
+        "1.4.1",
+        "2.1.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.1.1\" and \"1.4.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.1.1",
+          "1.4.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.9.1-r1\" before \"1.4.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.1",
+          "0.9.1-r1"
+        ]
+      },
+      "expected_output": [
+        "0.9.1-r1",
+        "1.4.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.4.1\" and \"0.9.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.4.1",
+          "0.9.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8.1\" before \"0.9.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.1-r1",
+          "0.8.1"
+        ]
+      },
+      "expected_output": [
+        "0.8.1",
+        "0.9.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.9.1-r1\" and \"0.8.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.9.1-r1",
+          "0.8.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8.1\" before \"1.2.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1-r1",
+          "0.8.1"
+        ]
+      },
+      "expected_output": [
+        "0.8.1",
+        "1.2.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.8.1\" and \"1.2.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8.1",
+          "1.2.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0\" before \"1.2.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1-r1",
+          "1.1.0"
+        ]
+      },
+      "expected_output": [
+        "1.1.0",
+        "1.2.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.1-r1\" and \"1.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1-r1",
+          "1.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0\" before \"1.2.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1",
+          "1.1.0"
+        ]
+      },
+      "expected_output": [
+        "1.1.0",
+        "1.2.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.0\" and \"1.2.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "1.2.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.1\" before \"1.1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "0.1.1"
+        ]
+      },
+      "expected_output": [
+        "0.1.1",
+        "1.1.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.0\" and \"0.1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "0.1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.1\" before \"1.2.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1",
+          "0.1.1"
+        ]
+      },
+      "expected_output": [
+        "0.1.1",
+        "1.2.1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.1\" and \"1.2.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.1",
+          "1.2.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.1\" before \"4.1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.0",
+          "1.2.1"
+        ]
+      },
+      "expected_output": [
+        "1.2.1",
+        "4.1.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.1\" and \"4.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.1",
+          "4.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.1-r1\" before \"4.1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.0",
+          "0.2.1-r1"
+        ]
+      },
+      "expected_output": [
+        "0.2.1-r1",
+        "4.1.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.1.0\" and \"0.2.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.1.0",
+          "0.2.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.2.1-r1\" before \"1.1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "0.2.1-r1"
+        ]
+      },
+      "expected_output": [
+        "0.2.1-r1",
+        "1.1.0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.2.1-r1\" and \"1.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.2.1-r1",
+          "1.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.0\" before \"2.7.11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.7.11",
+          "1.1.0"
+        ]
+      },
+      "expected_output": [
+        "1.1.0",
+        "2.7.11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.0\" and \"2.7.11\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.0",
+          "2.7.11"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.2-r6\" before \"2.7.11\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.7.11",
+          "1.0.2-r6"
+        ]
+      },
+      "expected_output": [
+        "1.0.2-r6",
+        "2.7.11"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.7.11\" and \"1.0.2-r6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.7.11",
+          "1.0.2-r6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.2\" before \"1.0.2-r6\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2-r6",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "1.0.2-r6"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.2-r6\" and \"1.0.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2-r6",
+          "1.0.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8\" before \"1.0.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "0.8"
+        ]
+      },
+      "expected_output": [
+        "0.8",
+        "1.0.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.2\" and \"0.8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.2",
+          "0.8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.8\" before \"1.1.1-r4\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1-r4",
+          "0.8"
+        ]
+      },
+      "expected_output": [
+        "0.8",
+        "1.1.1-r4"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.8\" and \"1.1.1-r4\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.8",
+          "1.1.1-r4"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.1.1-r4\" before \"222\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "222",
+          "1.1.1-r4"
+        ]
+      },
+      "expected_output": [
+        "1.1.1-r4",
+        "222"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.1.1-r4\" and \"222\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.1.1-r4",
+          "222"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"222\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "222",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "222"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"222\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "222",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.1\" before \"1.2.12-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.12-r1",
+          "1.0.1"
+        ]
+      },
+      "expected_output": [
+        "1.0.1",
+        "1.2.12-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.1\" and \"1.2.12-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.1",
+          "1.2.12-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.8\" before \"1.2.12-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.12-r1",
+          "1.2.8"
+        ]
+      },
+      "expected_output": [
+        "1.2.8",
+        "1.2.12-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.12-r1\" and \"1.2.8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.12-r1",
+          "1.2.8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.8\" before \"1.2.9.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.9.1-r1",
+          "1.2.8"
+        ]
+      },
+      "expected_output": [
+        "1.2.8",
+        "1.2.9.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.8\" and \"1.2.9.1-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.8",
+          "1.2.9.1-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.9.1\" before \"1.2.9.1-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.9.1-r1",
+          "1.2.9.1"
+        ]
+      },
+      "expected_output": [
+        "1.2.9.1",
+        "1.2.9.1-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.9.1-r1\" and \"1.2.9.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.9.1-r1",
+          "1.2.9.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.9.1\" before \"2.31-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.31-r1",
+          "1.2.9.1"
+        ]
+      },
+      "expected_output": [
+        "1.2.9.1",
+        "2.31-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.9.1\" and \"2.31-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.9.1",
+          "2.31-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"2.31\" before \"2.31-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.31-r1",
+          "2.31"
+        ]
+      },
+      "expected_output": [
+        "2.31",
+        "2.31-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.31-r1\" and \"2.31\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.31-r1",
+          "2.31"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.3-r1\" before \"2.31\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.31",
+          "1.2.3-r1"
+        ]
+      },
+      "expected_output": [
+        "1.2.3-r1",
+        "2.31"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"2.31\" and \"1.2.3-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "2.31",
+          "1.2.3-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.3\" before \"1.2.3-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.3-r1",
+          "1.2.3"
+        ]
+      },
+      "expected_output": [
+        "1.2.3",
+        "1.2.3-r1"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.3-r1\" and \"1.2.3\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.3-r1",
+          "1.2.3"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.2.3\" before \"4.2.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.5",
+          "1.2.3"
+        ]
+      },
+      "expected_output": [
+        "1.2.3",
+        "4.2.5"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.2.3\" and \"4.2.5\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.2.3",
+          "4.2.5"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"4.2.5\" before \"4.3.2-r2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.3.2-r2",
+          "4.2.5"
+        ]
+      },
+      "expected_output": [
+        "4.2.5",
+        "4.3.2-r2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"4.2.5\" and \"4.3.2-r2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "4.2.5",
+          "4.3.2-r2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3-r0\" before \"1.3.1-r0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.1-r0",
+          "1.3-r0"
+        ]
+      },
+      "expected_output": [
+        "1.3-r0",
+        "1.3.1-r0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3-r0\" and \"1.3.1-r0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3-r0",
+          "1.3.1-r0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.3_pre1-r1\" before \"1.3.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3.2",
+          "1.3_pre1-r1"
+        ]
+      },
+      "expected_output": [
+        "1.3_pre1-r1",
+        "1.3.2"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.3_pre1-r1\" and \"1.3.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.3_pre1-r1",
+          "1.3.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0_p9-r0\" before \"1.0_p10-r0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0_p10-r0",
+          "1.0_p9-r0"
+        ]
+      },
+      "expected_output": [
+        "1.0_p9-r0",
+        "1.0_p10-r0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0_p10-r0\" and \"1.0_p9-r0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0_p10-r0",
+          "1.0_p9-r0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"0.1.0_alpha_pre2\" before \"0.1.0_alpha\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.0_alpha",
+          "0.1.0_alpha_pre2"
+        ]
+      },
+      "expected_output": [
+        "0.1.0_alpha_pre2",
+        "0.1.0_alpha"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"0.1.0_alpha_pre2\" and \"0.1.0_alpha\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "0.1.0_alpha_pre2",
+          "0.1.0_alpha"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Alpine orders \"1.0.0_pre20191002222144-r0\" before \"1.0.0_pre20210530193627-r0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.0_pre20210530193627-r0",
+          "1.0.0_pre20191002222144-r0"
+        ]
+      },
+      "expected_output": [
+        "1.0.0_pre20191002222144-r0",
+        "1.0.0_pre20210530193627-r0"
+      ]
+    },
+    {
+      "description": "univers Alpine treats \"1.0.0_pre20191002222144-r0\" and \"1.0.0_pre20210530193627-r0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "apk",
+        "versions": [
+          "1.0.0_pre20191002222144-r0",
+          "1.0.0_pre20210530193627-r0"
+        ]
+      },
+      "expected_output": false
+    }
+  ]
+}
diff --git a/testdata/local/tests/conan_univers_range_test.json b/testdata/local/tests/conan_univers_range_test.json
new file mode 100644
index 0000000..aa0af59
--- /dev/null
+++ b/testdata/local/tests/conan_univers_range_test.json
@@ -0,0 +1,595 @@
+{
+  "$schema": "https://packageurl.org/schemas/vers-test.schema-0.2.json",
+  "tests": [
+    {
+      "description": "univers Conan range \"\u003e1.0.0\" contains \"1.0.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1.0.0",
+        "version": "1.0.1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"\u003e1.0.0\" excludes \"0.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1.0.0",
+        "version": "0.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"\u003c2.0\" contains \"1.0.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003c2.0",
+        "version": "1.0.1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"\u003c2.0\" excludes \"2.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003c2.0",
+        "version": "2.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"\u003e1 \u003c2.0\" contains \"1.5.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0",
+        "version": "1.5.1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"\u003e1 \u003c2.0\" excludes \"0.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0",
+        "version": "0.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"\u003e1 \u003c2.0\" excludes \"2.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0",
+        "version": "2.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"~2.5\" contains \"2.5.0\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=2.5|\u003c2.6-",
+        "version": "2.5.0"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"~2.5\" contains \"2.5.3\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=2.5|\u003c2.6-",
+        "version": "2.5.3"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"~2.5\" excludes \"2.7\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=2.5|\u003c2.6-",
+        "version": "2.7"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"~2.5\" excludes \"2.6.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=2.5|\u003c2.6-",
+        "version": "2.6.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"~2.5.1\" contains \"2.5.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=2.5.1|\u003c2.6-",
+        "version": "2.5.1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"~2.5.1\" contains \"2.5.3\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=2.5.1|\u003c2.6-",
+        "version": "2.5.3"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"~2.5.1\" excludes \"2.5\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=2.5.1|\u003c2.6-",
+        "version": "2.5"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"~2.5.1\" excludes \"2.6.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=2.5.1|\u003c2.6-",
+        "version": "2.6.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"~1\" contains \"1.3\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1|\u003c2-",
+        "version": "1.3"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"~1\" contains \"1.8.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1|\u003c2-",
+        "version": "1.8.1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"~1\" excludes \"0.8\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1|\u003c2-",
+        "version": "0.8"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"~1\" excludes \"2.2\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1|\u003c2-",
+        "version": "2.2"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"^1.2\" contains \"1.2.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.2|\u003c2-",
+        "version": "1.2.1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"^1.2\" contains \"1.51\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.2|\u003c2-",
+        "version": "1.51"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"^1.2\" excludes \"1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.2|\u003c2-",
+        "version": "1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"^1.2\" excludes \"2\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.2|\u003c2-",
+        "version": "2"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"^1.2\" excludes \"2.0.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.2|\u003c2-",
+        "version": "2.0.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"^1.2.3\" contains \"1.2.3\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.2.3|\u003c2-",
+        "version": "1.2.3"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"^1.2.3\" contains \"1.2.4\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.2.3|\u003c2-",
+        "version": "1.2.4"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"^1.2.3\" excludes \"2\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.2.3|\u003c2-",
+        "version": "2"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"^1.2.3\" excludes \"2.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.2.3|\u003c2-",
+        "version": "2.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"^1.2.3\" excludes \"2.0.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.2.3|\u003c2-",
+        "version": "2.0.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"^0.1.2\" contains \"0.1.3\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=0.1.2|\u003c0.2-",
+        "version": "0.1.3"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"^0.1.2\" contains \"0.1.44\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=0.1.2|\u003c0.2-",
+        "version": "0.1.44"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"^0.1.2\" excludes \"1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=0.1.2|\u003c0.2-",
+        "version": "1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"^0.1.2\" excludes \"0.3\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=0.1.2|\u003c0.2-",
+        "version": "0.3"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"^0.1.2\" excludes \"0.2.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=0.1.2|\u003c0.2-",
+        "version": "0.2.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"1.0.0\" contains \"1.0.0\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/1.0.0",
+        "version": "1.0.0"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"1.0.0\" excludes \"2\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/1.0.0",
+        "version": "2"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"1.0.0\" excludes \"1.0.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/1.0.0",
+        "version": "1.0.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"*\" contains \"1.0\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=0.0.0",
+        "version": "1.0"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"*\" contains \"a.b\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=0.0.0",
+        "version": "a.b"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"1.0.0 || 2.1.3\" contains \"1.0.0\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/1.0.0|2.1.3",
+        "version": "1.0.0"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"1.0.0 || 2.1.3\" contains \"2.1.3\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/1.0.0|2.1.3",
+        "version": "2.1.3"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"1.0.0 || 2.1.3\" excludes \"2\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/1.0.0|2.1.3",
+        "version": "2"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"1.0.0 || 2.1.3\" excludes \"1.0.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/1.0.0|2.1.3",
+        "version": "1.0.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"\u003e1 \u003c2.0 || ^3.2 \" contains \"1.5\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0|\u003e=3.2|\u003c4-",
+        "version": "1.5"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"\u003e1 \u003c2.0 || ^3.2 \" contains \"3.3\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0|\u003e=3.2|\u003c4-",
+        "version": "3.3"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"\u003e1 \u003c2.0 || ^3.2 \" excludes \"2.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0|\u003e=3.2|\u003c4-",
+        "version": "2.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"\u003e1 \u003c2.0 || ^3.2 \" excludes \"0.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0|\u003e=3.2|\u003c4-",
+        "version": "0.1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"\u003e1 \u003c2.0 || ^3.2 \" excludes \"5\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0|\u003e=3.2|\u003c4-",
+        "version": "5"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"*-\" contains \"1.0-pre.1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=0.0.0",
+        "version": "1.0-pre.1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"\u003e1- \u003c2.0\" contains \"1.5.1-pre1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0",
+        "version": "1.5.1-pre1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"\u003e1- \u003c2.0\" excludes \"2.1-pre1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0",
+        "version": "2.1-pre1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"\u003e1- \u003c2.0 || ^3.2 \" contains \"1.5-a1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0|\u003e=3.2|\u003c4-",
+        "version": "1.5-a1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"\u003e1- \u003c2.0 || ^3.2 \" excludes \"3.3-a1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e1|\u003c2.0|\u003e=3.2|\u003c4-",
+        "version": "3.3-a1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"^1.1.2-\" contains \"1.2.3\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.1.2|\u003c2-",
+        "version": "1.2.3"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"^1.1.2-\" contains \"1.2.0-alpha1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.1.2|\u003c2-",
+        "version": "1.2.0-alpha1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"^1.1.2-\" excludes \"2.0.0-alpha1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.1.2|\u003c2-",
+        "version": "2.0.0-alpha1"
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan range \"~1.1.2-\" contains \"1.1.3\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.1.2|\u003c1.2-",
+        "version": "1.1.3"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"~1.1.2-\" contains \"1.1.3-alpha1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.1.2|\u003c1.2-",
+        "version": "1.1.3-alpha1"
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan range \"~1.1.2-\" excludes \"1.2.0-alpha1\".",
+      "test_group": "recommended",
+      "test_type": "containment",
+      "input": {
+        "vers": "vers:conan/\u003e=1.1.2|\u003c1.2-",
+        "version": "1.2.0-alpha1"
+      },
+      "expected_output": false
+    }
+  ]
+}
diff --git a/testdata/local/tests/conan_univers_version_cmp_test.json b/testdata/local/tests/conan_univers_version_cmp_test.json
new file mode 100644
index 0000000..6ee1b57
--- /dev/null
+++ b/testdata/local/tests/conan_univers_version_cmp_test.json
@@ -0,0 +1,1128 @@
+{
+  "$schema": "https://packageurl.org/schemas/vers-test.schema-0.2.json",
+  "tests": [
+    {
+      "description": "univers Conan orders \"1\" before \"2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "2",
+          "1"
+        ]
+      },
+      "expected_output": [
+        "1",
+        "2"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1\" and \"2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1",
+          "2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.0\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.0\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.0.2\" before \"1.1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.0",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "1.1.0"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.0.2\" and \"1.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0.2",
+          "1.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.3\" before \"1.22\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.22",
+          "1.3"
+        ]
+      },
+      "expected_output": [
+        "1.3",
+        "1.22"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.3\" and \"1.22\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.3",
+          "1.22"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1.3\" before \"1.1.22\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.22",
+          "1.1.3"
+        ]
+      },
+      "expected_output": [
+        "1.1.3",
+        "1.1.22"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1.3\" and \"1.1.22\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.3",
+          "1.1.22"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1.1.3\" before \"1.1.1.22\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.1.22",
+          "1.1.1.3"
+        ]
+      },
+      "expected_output": [
+        "1.1.1.3",
+        "1.1.1.22"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1.1.3\" and \"1.1.1.22\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.1.3",
+          "1.1.1.22"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1.1.1.3\" before \"1.1.1.1.22\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.1.1.22",
+          "1.1.1.1.3"
+        ]
+      },
+      "expected_output": [
+        "1.1.1.1.3",
+        "1.1.1.1.22"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1.1.1.3\" and \"1.1.1.1.22\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.1.1.3",
+          "1.1.1.1.22"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.0\" before \"2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "2",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "2"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.0\" and \"2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0",
+          "2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.2\" before \"1.3.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.3.1",
+          "1.2"
+        ]
+      },
+      "expected_output": [
+        "1.2",
+        "1.3.1"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.2\" and \"1.3.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.2",
+          "1.3.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.0.2\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1",
+          "1.0.2"
+        ]
+      },
+      "expected_output": [
+        "1.0.2",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.0.2\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0.2",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1.a\" before \"1.1.b\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.b",
+          "1.1.a"
+        ]
+      },
+      "expected_output": [
+        "1.1.a",
+        "1.1.b"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1.a\" and \"1.1.b\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.a",
+          "1.1.b"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1.1.abc\" before \"1.1.1.abz\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.1.abz",
+          "1.1.1.abc"
+        ]
+      },
+      "expected_output": [
+        "1.1.1.abc",
+        "1.1.1.abz"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1.1.abc\" and \"1.1.1.abz\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.1.abc",
+          "1.1.1.abz"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"a.b.c\" before \"b.c\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "b.c",
+          "a.b.c"
+        ]
+      },
+      "expected_output": [
+        "a.b.c",
+        "b.c"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"a.b.c\" and \"b.c\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "a.b.c",
+          "b.c"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1\" before \"1.a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.a",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "1.a"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1\" and \"1.a\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1",
+          "1.a"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1\" before \"1.1a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1a",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "1.1a"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1\" and \"1.1a\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1",
+          "1.1a"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1\" before \"1.1.a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.a",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "1.1.a"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1\" and \"1.1.a\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1",
+          "1.1.a"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1.a\" before \"1.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.2",
+          "1.1.a"
+        ]
+      },
+      "expected_output": [
+        "1.1.a",
+        "1.2"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1.a\" and \"1.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.a",
+          "1.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1*\" before \"1.20\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.20",
+          "1.1*"
+        ]
+      },
+      "expected_output": [
+        "1.1*",
+        "1.20"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1*\" and \"1.20\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1*",
+          "1.20"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1.*\" before \"1.20\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.20",
+          "1.1.*"
+        ]
+      },
+      "expected_output": [
+        "1.1.*",
+        "1.20"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1.*\" and \"1.20\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.*",
+          "1.20"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.2.2\" before \"1.3.*\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.3.*",
+          "1.2.2"
+        ]
+      },
+      "expected_output": [
+        "1.2.2",
+        "1.3.*"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.2.2\" and \"1.3.*\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.2.2",
+          "1.3.*"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.2.2\" before \"1.2.3*\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.2.3*",
+          "1.2.2"
+        ]
+      },
+      "expected_output": [
+        "1.2.2",
+        "1.2.3*"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.2.2\" and \"1.2.3*\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.2.2",
+          "1.2.3*"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1+b1\" before \"1.1+b2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1+b2",
+          "1.1+b1"
+        ]
+      },
+      "expected_output": [
+        "1.1+b1",
+        "1.1+b2"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1+b1\" and \"1.1+b2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1+b1",
+          "1.1+b2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1\" before \"1.1+b2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1+b2",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "1.1+b2"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1\" and \"1.1+b2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1",
+          "1.1+b2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1+b1\" before \"1.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.2",
+          "1.1+b1"
+        ]
+      },
+      "expected_output": [
+        "1.1+b1",
+        "1.2"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1+b1\" and \"1.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1+b1",
+          "1.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1+b.3\" before \"1.1+b.22\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1+b.22",
+          "1.1+b.3"
+        ]
+      },
+      "expected_output": [
+        "1.1+b.3",
+        "1.1+b.22"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1+b.3\" and \"1.1+b.22\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1+b.3",
+          "1.1+b.22"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1-pre1\" before \"1.1-pre2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1-pre2",
+          "1.1-pre1"
+        ]
+      },
+      "expected_output": [
+        "1.1-pre1",
+        "1.1-pre2"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1-pre1\" and \"1.1-pre2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1-pre1",
+          "1.1-pre2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1-alpha.3\" before \"1.1-alpha.22\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1-alpha.22",
+          "1.1-alpha.3"
+        ]
+      },
+      "expected_output": [
+        "1.1-alpha.3",
+        "1.1-alpha.22"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1-alpha.3\" and \"1.1-alpha.22\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1-alpha.3",
+          "1.1-alpha.22"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1-alpha.3+b1\" before \"1.1-alpha.3+b2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1-alpha.3+b2",
+          "1.1-alpha.3+b1"
+        ]
+      },
+      "expected_output": [
+        "1.1-alpha.3+b1",
+        "1.1-alpha.3+b2"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1-alpha.3+b1\" and \"1.1-alpha.3+b2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1-alpha.3+b1",
+          "1.1-alpha.3+b2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1-alpha.1\" before \"1.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1",
+          "1.1-alpha.1"
+        ]
+      },
+      "expected_output": [
+        "1.1-alpha.1",
+        "1.1"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1-alpha.1\" and \"1.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1-alpha.1",
+          "1.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1\" before \"1.2-alpha1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.2-alpha1",
+          "1.1"
+        ]
+      },
+      "expected_output": [
+        "1.1",
+        "1.2-alpha1"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1\" and \"1.2-alpha1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1",
+          "1.2-alpha1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.1-alpha.1\" before \"1.1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1.0",
+          "1.1-alpha.1"
+        ]
+      },
+      "expected_output": [
+        "1.1-alpha.1",
+        "1.1.0"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.1-alpha.1\" and \"1.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.1-alpha.1",
+          "1.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan orders \"1.0.0-\" before \"1.0.0-alpha1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0.0-alpha1",
+          "1.0.0-"
+        ]
+      },
+      "expected_output": [
+        "1.0.0-",
+        "1.0.0-alpha1"
+      ]
+    },
+    {
+      "description": "univers Conan treats \"1.0.0-\" and \"1.0.0-alpha1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0.0-",
+          "1.0.0-alpha1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Conan treats \"1\" and \"1.0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1",
+          "1.0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1\" and \"1.0.0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1",
+          "1.0.0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1.0\" and \"1.0.0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0",
+          "1.0.0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1.0\" and \"1.0.0.0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0",
+          "1.0.0.0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1-pre1\" and \"1.0-pre1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1-pre1",
+          "1.0-pre1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1-pre1\" and \"1.0.0-pre1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1-pre1",
+          "1.0.0-pre1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1.0-pre1\" and \"1.0.0-pre1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0-pre1",
+          "1.0.0-pre1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1.0-pre1.0\" and \"1.0.0-pre1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0-pre1.0",
+          "1.0.0-pre1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1-pre1+b1\" and \"1.0-pre1+b1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1-pre1+b1",
+          "1.0-pre1+b1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1-pre1+b1\" and \"1.0.0-pre1+b1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1-pre1+b1",
+          "1.0.0-pre1+b1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1.0-pre1+b1\" and \"1.0.0-pre1+b1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0-pre1+b1",
+          "1.0.0-pre1+b1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1+b1\" and \"1.0+b1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1+b1",
+          "1.0+b1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1+b1\" and \"1.0+b1.0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1+b1",
+          "1.0+b1.0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1+b1\" and \"1.0.0+b1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1+b1",
+          "1.0.0+b1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Conan treats \"1.0+b1\" and \"1.0.0+b1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "conan",
+        "versions": [
+          "1.0+b1",
+          "1.0.0+b1"
+        ]
+      },
+      "expected_output": true
+    }
+  ]
+}
diff --git a/testdata/local/tests/deb_univers_version_cmp_test.json b/testdata/local/tests/deb_univers_version_cmp_test.json
new file mode 100644
index 0000000..0f64933
--- /dev/null
+++ b/testdata/local/tests/deb_univers_version_cmp_test.json
@@ -0,0 +1,547 @@
+{
+  "$schema": "https://packageurl.org/schemas/vers-test.schema-0.2.json",
+  "tests": [
+    {
+      "description": "univers Debian treats \"0.0.0\" and \"0:0.0.0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0",
+          "0:0.0.0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Debian treats \"0:0.0.0-foo\" and \"0.0.0-foo\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0:0.0.0-foo",
+          "0.0.0-foo"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Debian treats \"0.0.0-a\" and \"0:0.0.0-a\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0-a",
+          "0:0.0.0-a"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Debian treats \"0.0.0\" and \"0.0.0-0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0",
+          "0.0.0-0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Debian treats \"0.0.0\" and \"0.0.0-00\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0",
+          "0.0.0-00"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Debian treats \"0.0.0-0\" and \"0:0.0.0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0-0",
+          "0:0.0.0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Debian orders \"0.0.0-0\" before \"0:0.0.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0:0.0.1",
+          "0.0.0-0"
+        ]
+      },
+      "expected_output": [
+        "0.0.0-0",
+        "0:0.0.1"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"0.0.0-0\" and \"0:0.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0-0",
+          "0:0.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"0.0.0-0\" before \"0:0.0.0-a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0:0.0.0-a",
+          "0.0.0-0"
+        ]
+      },
+      "expected_output": [
+        "0.0.0-0",
+        "0:0.0.0-a"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"0.0.0-0\" and \"0:0.0.0-a\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0-0",
+          "0:0.0.0-a"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"0.0.0-0\" before \"0:0.0.0-1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0:0.0.0-1",
+          "0.0.0-0"
+        ]
+      },
+      "expected_output": [
+        "0.0.0-0",
+        "0:0.0.0-1"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"0.0.0-0\" and \"0:0.0.0-1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0-0",
+          "0:0.0.0-1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"0.0.9\" before \"0.0.10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.10",
+          "0.0.9"
+        ]
+      },
+      "expected_output": [
+        "0.0.9",
+        "0.0.10"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"0.0.9\" and \"0.0.10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.9",
+          "0.0.10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"0.9.0\" before \"0.10.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.10.0",
+          "0.9.0"
+        ]
+      },
+      "expected_output": [
+        "0.9.0",
+        "0.10.0"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"0.9.0\" and \"0.10.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.9.0",
+          "0.10.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"9.0.0\" before \"10.0.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "10.0.0",
+          "9.0.0"
+        ]
+      },
+      "expected_output": [
+        "9.0.0",
+        "10.0.0"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"9.0.0\" and \"10.0.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "9.0.0",
+          "10.0.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"1.2.3-1~deb7u1\" before \"1.2.3-1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "1.2.3-1",
+          "1.2.3-1~deb7u1"
+        ]
+      },
+      "expected_output": [
+        "1.2.3-1~deb7u1",
+        "1.2.3-1"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"1.2.3-1~deb7u1\" and \"1.2.3-1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "1.2.3-1~deb7u1",
+          "1.2.3-1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"2.7.4+reloaded2-13ubuntu1\" before \"2.7.4+reloaded2-13+deb9u1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "2.7.4+reloaded2-13+deb9u1",
+          "2.7.4+reloaded2-13ubuntu1"
+        ]
+      },
+      "expected_output": [
+        "2.7.4+reloaded2-13ubuntu1",
+        "2.7.4+reloaded2-13+deb9u1"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"2.7.4+reloaded2-13ubuntu1\" and \"2.7.4+reloaded2-13+deb9u1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "2.7.4+reloaded2-13ubuntu1",
+          "2.7.4+reloaded2-13+deb9u1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"2.7.4+reloaded2-13\" before \"2.7.4+reloaded2-13+deb9u1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "2.7.4+reloaded2-13+deb9u1",
+          "2.7.4+reloaded2-13"
+        ]
+      },
+      "expected_output": [
+        "2.7.4+reloaded2-13",
+        "2.7.4+reloaded2-13+deb9u1"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"2.7.4+reloaded2-13\" and \"2.7.4+reloaded2-13+deb9u1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "2.7.4+reloaded2-13",
+          "2.7.4+reloaded2-13+deb9u1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"0:0.0.0\" before \"0.0.1-0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.1-0",
+          "0:0.0.0"
+        ]
+      },
+      "expected_output": [
+        "0:0.0.0",
+        "0.0.1-0"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"0.0.1-0\" and \"0:0.0.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.1-0",
+          "0:0.0.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"0:0.0.0-1\" before \"0.0.0-a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0-a",
+          "0:0.0.0-1"
+        ]
+      },
+      "expected_output": [
+        "0:0.0.0-1",
+        "0.0.0-a"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"0.0.0-a\" and \"0:0.0.0-1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0-a",
+          "0:0.0.0-1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"0:0.0.0-0\" before \"0.0.0-a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0-a",
+          "0:0.0.0-0"
+        ]
+      },
+      "expected_output": [
+        "0:0.0.0-0",
+        "0.0.0-a"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"0.0.0-a\" and \"0:0.0.0-0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.0-a",
+          "0:0.0.0-0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"0.0.1\" before \"0.0.9\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.9",
+          "0.0.1"
+        ]
+      },
+      "expected_output": [
+        "0.0.1",
+        "0.0.9"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"0.0.9\" and \"0.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.0.9",
+          "0.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"0.1.0\" before \"0.9.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.9.0",
+          "0.1.0"
+        ]
+      },
+      "expected_output": [
+        "0.1.0",
+        "0.9.0"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"0.9.0\" and \"0.1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "0.9.0",
+          "0.1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"1.0.0\" before \"9.0.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "9.0.0",
+          "1.0.0"
+        ]
+      },
+      "expected_output": [
+        "1.0.0",
+        "9.0.0"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"9.0.0\" and \"1.0.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "9.0.0",
+          "1.0.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Debian orders \"2:0.0.44-1\" before \"2:0.0.44-nobin\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "2:0.0.44-nobin",
+          "2:0.0.44-1"
+        ]
+      },
+      "expected_output": [
+        "2:0.0.44-1",
+        "2:0.0.44-nobin"
+      ]
+    },
+    {
+      "description": "univers Debian treats \"2:0.0.44-1\" and \"2:0.0.44-nobin\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "deb",
+        "versions": [
+          "2:0.0.44-1",
+          "2:0.0.44-nobin"
+        ]
+      },
+      "expected_output": false
+    }
+  ]
+}
diff --git a/testdata/local/tests/gentoo_univers_version_cmp_test.json b/testdata/local/tests/gentoo_univers_version_cmp_test.json
new file mode 100644
index 0000000..621940c
--- /dev/null
+++ b/testdata/local/tests/gentoo_univers_version_cmp_test.json
@@ -0,0 +1,531 @@
+{
+  "$schema": "https://packageurl.org/schemas/vers-test.schema-0.2.json",
+  "tests": [
+    {
+      "description": "univers Gentoo orders \"0.1\" before \"0.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "0.2",
+          "0.1"
+        ]
+      },
+      "expected_output": [
+        "0.1",
+        "0.2"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"0.1\" and \"0.2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "0.1",
+          "0.2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"6\" before \"6a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6a",
+          "6"
+        ]
+      },
+      "expected_output": [
+        "6",
+        "6a"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"6a\" and \"6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6a",
+          "6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"6a\" before \"6a-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6a-r1",
+          "6a"
+        ]
+      },
+      "expected_output": [
+        "6a",
+        "6a-r1"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"6a-r1\" and \"6a\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6a-r1",
+          "6a"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"6\" before \"6.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0",
+          "6"
+        ]
+      },
+      "expected_output": [
+        "6",
+        "6.0"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"6.0\" and \"6\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0",
+          "6"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"6.0b\" before \"6.0.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0.0",
+          "6.0b"
+        ]
+      },
+      "expected_output": [
+        "6.0b",
+        "6.0.0"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"6.0.0\" and \"6.0b\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0.0",
+          "6.0b"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"6.0.0\" before \"6.02\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.02",
+          "6.0.0"
+        ]
+      },
+      "expected_output": [
+        "6.0.0",
+        "6.02"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"6.02\" and \"6.0.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.02",
+          "6.0.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"6.054\" before \"6.2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.2",
+          "6.054"
+        ]
+      },
+      "expected_output": [
+        "6.054",
+        "6.2"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"6.2\" and \"6.054\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.2",
+          "6.054"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"6.0_alpha\" before \"6.0_alpha0_p1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0_alpha0_p1",
+          "6.0_alpha"
+        ]
+      },
+      "expected_output": [
+        "6.0_alpha",
+        "6.0_alpha0_p1"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"6.0_alpha0_p1\" and \"6.0_alpha\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0_alpha0_p1",
+          "6.0_alpha"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo treats \"6.0_alpha\" and \"6.0_alpha0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0_alpha",
+          "6.0_alpha0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Gentoo orders \"6.09\" before \"6.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.1",
+          "6.09"
+        ]
+      },
+      "expected_output": [
+        "6.09",
+        "6.1"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"6.1\" and \"6.09\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.1",
+          "6.09"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"6.0\" before \"6.0.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0.1",
+          "6.0"
+        ]
+      },
+      "expected_output": [
+        "6.0",
+        "6.0.1"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"6.0.1\" and \"6.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0.1",
+          "6.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"12.2b\" before \"12.2.5\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "12.2.5",
+          "12.2b"
+        ]
+      },
+      "expected_output": [
+        "12.2b",
+        "12.2.5"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"12.2.5\" and \"12.2b\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "12.2.5",
+          "12.2b"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"12.2b\" before \"12.2.5-r1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "12.2.5-r1",
+          "12.2b"
+        ]
+      },
+      "expected_output": [
+        "12.2b",
+        "12.2.5-r1"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"12.2.5-r1\" and \"12.2b\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "12.2.5-r1",
+          "12.2b"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo treats \"6.01.0\" and \"6.010.0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.01.0",
+          "6.010.0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Gentoo treats \"6.0.1\" and \"6.000.1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0.1",
+          "6.000.1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Gentoo treats \"6.01.0\" and \"6.01.0-r0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.01.0",
+          "6.01.0-r0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Gentoo treats \"6.01.0-r0\" and \"6.01.0-r00\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.01.0-r0",
+          "6.01.0-r00"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Gentoo treats \"6.01.0-r1\" and \"6.01.0-r001\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.01.0-r1",
+          "6.01.0-r001"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers Gentoo orders \"1.60_p2009072801401\" before \"1.60_p2010081516093\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "1.60_p2010081516093",
+          "1.60_p2009072801401"
+        ]
+      },
+      "expected_output": [
+        "1.60_p2009072801401",
+        "1.60_p2010081516093"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"1.60_p2010081516093\" and \"1.60_p2009072801401\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "1.60_p2010081516093",
+          "1.60_p2009072801401"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"1.60_p20090728014017\" before \"1.60_p20100815160931\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "1.60_p20100815160931",
+          "1.60_p20090728014017"
+        ]
+      },
+      "expected_output": [
+        "1.60_p20090728014017",
+        "1.60_p20100815160931"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"1.60_p20100815160931\" and \"1.60_p20090728014017\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "1.60_p20100815160931",
+          "1.60_p20090728014017"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo orders \"1.60_p20090728014017-r1\" before \"1.60_p20100815160931\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "1.60_p20100815160931",
+          "1.60_p20090728014017-r1"
+        ]
+      },
+      "expected_output": [
+        "1.60_p20090728014017-r1",
+        "1.60_p20100815160931"
+      ]
+    },
+    {
+      "description": "univers Gentoo treats \"1.60_p20100815160931\" and \"1.60_p20090728014017-r1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "1.60_p20100815160931",
+          "1.60_p20090728014017-r1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers Gentoo treats \"6.0\" and \"6.0-r0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "gentoo",
+        "versions": [
+          "6.0",
+          "6.0-r0"
+        ]
+      },
+      "expected_output": true
+    }
+  ]
+}
diff --git a/testdata/local/tests/rpm_univers_version_cmp_test.json b/testdata/local/tests/rpm_univers_version_cmp_test.json
new file mode 100644
index 0000000..b90772c
--- /dev/null
+++ b/testdata/local/tests/rpm_univers_version_cmp_test.json
@@ -0,0 +1,1034 @@
+{
+  "$schema": "https://packageurl.org/schemas/vers-test.schema-0.2.json",
+  "tests": [
+    {
+      "description": "univers RPM orders \"1.0\" before \"2.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "2.0",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "2.0"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0\" and \"2.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0",
+          "2.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"2.0\" before \"2.0.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "2.0.1",
+          "2.0"
+        ]
+      },
+      "expected_output": [
+        "2.0",
+        "2.0.1"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"2.0\" and \"2.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "2.0",
+          "2.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"2.0.1\" before \"2.0.1a\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "2.0.1a",
+          "2.0.1"
+        ]
+      },
+      "expected_output": [
+        "2.0.1",
+        "2.0.1a"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"2.0.1a\" and \"2.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "2.0.1a",
+          "2.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"5.5p1\" before \"5.5p2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "5.5p2",
+          "5.5p1"
+        ]
+      },
+      "expected_output": [
+        "5.5p1",
+        "5.5p2"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"5.5p1\" and \"5.5p2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "5.5p1",
+          "5.5p2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"5.5p1\" before \"5.5p10\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "5.5p10",
+          "5.5p1"
+        ]
+      },
+      "expected_output": [
+        "5.5p1",
+        "5.5p10"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"5.5p1\" and \"5.5p10\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "5.5p1",
+          "5.5p10"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"10xyz\" before \"10.1xyz\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "10.1xyz",
+          "10xyz"
+        ]
+      },
+      "expected_output": [
+        "10xyz",
+        "10.1xyz"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"10xyz\" and \"10.1xyz\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "10xyz",
+          "10.1xyz"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"xyz10\" before \"xyz10.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "xyz10.1",
+          "xyz10"
+        ]
+      },
+      "expected_output": [
+        "xyz10",
+        "xyz10.1"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"xyz10\" and \"xyz10.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "xyz10",
+          "xyz10.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"xyz.4\" before \"8\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "8",
+          "xyz.4"
+        ]
+      },
+      "expected_output": [
+        "xyz.4",
+        "8"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"xyz.4\" and \"8\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "xyz.4",
+          "8"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"xyz.4\" before \"2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "2",
+          "xyz.4"
+        ]
+      },
+      "expected_output": [
+        "xyz.4",
+        "2"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"xyz.4\" and \"2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "xyz.4",
+          "2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"5.5p2\" before \"5.6p1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "5.6p1",
+          "5.5p2"
+        ]
+      },
+      "expected_output": [
+        "5.5p2",
+        "5.6p1"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"5.5p2\" and \"5.6p1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "5.5p2",
+          "5.6p1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"5.6p1\" before \"6.5p1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "6.5p1",
+          "5.6p1"
+        ]
+      },
+      "expected_output": [
+        "5.6p1",
+        "6.5p1"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"5.6p1\" and \"6.5p1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "5.6p1",
+          "6.5p1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"6.0\" before \"6.0.rc1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "6.0.rc1",
+          "6.0"
+        ]
+      },
+      "expected_output": [
+        "6.0",
+        "6.0.rc1"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"6.0.rc1\" and \"6.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "6.0.rc1",
+          "6.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"10a1\" before \"10b2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "10b2",
+          "10a1"
+        ]
+      },
+      "expected_output": [
+        "10a1",
+        "10b2"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"10b2\" and \"10a1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "10b2",
+          "10a1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"10a2\" before \"10b2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "10b2",
+          "10a2"
+        ]
+      },
+      "expected_output": [
+        "10a2",
+        "10b2"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"10a2\" and \"10b2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "10a2",
+          "10b2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0a\" before \"1.0aa\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0aa",
+          "1.0a"
+        ]
+      },
+      "expected_output": [
+        "1.0a",
+        "1.0aa"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0a\" and \"1.0aa\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0a",
+          "1.0aa"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM treats \"10.0001\" and \"10.1\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "10.0001",
+          "10.1"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers RPM orders \"10.0001\" before \"10.0039\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "10.0039",
+          "10.0001"
+        ]
+      },
+      "expected_output": [
+        "10.0001",
+        "10.0039"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"10.0001\" and \"10.0039\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "10.0001",
+          "10.0039"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"4.999.9\" before \"5.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "5.0",
+          "4.999.9"
+        ]
+      },
+      "expected_output": [
+        "4.999.9",
+        "5.0"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"4.999.9\" and \"5.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "4.999.9",
+          "5.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"20101121\" before \"20101122\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "20101122",
+          "20101121"
+        ]
+      },
+      "expected_output": [
+        "20101121",
+        "20101122"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"20101121\" and \"20101122\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "20101121",
+          "20101122"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM treats \"2.0\" and \"2_0\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "2.0",
+          "2_0"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers RPM treats \"a+\" and \"a_\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "a+",
+          "a_"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers RPM treats \"+a\" and \"_a\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "+a",
+          "_a"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers RPM treats \"_+\" and \"+_\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "_+",
+          "+_"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers RPM treats \"+\" and \"_\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "+",
+          "_"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers RPM orders \"1.0~rc1\" before \"1.0\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0",
+          "1.0~rc1"
+        ]
+      },
+      "expected_output": [
+        "1.0~rc1",
+        "1.0"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0~rc1\" and \"1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0~rc1",
+          "1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0~rc1\" before \"1.0~rc2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0~rc2",
+          "1.0~rc1"
+        ]
+      },
+      "expected_output": [
+        "1.0~rc1",
+        "1.0~rc2"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0~rc1\" and \"1.0~rc2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0~rc1",
+          "1.0~rc2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0~rc1~git123\" before \"1.0~rc1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0~rc1",
+          "1.0~rc1~git123"
+        ]
+      },
+      "expected_output": [
+        "1.0~rc1~git123",
+        "1.0~rc1"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0~rc1~git123\" and \"1.0~rc1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0~rc1~git123",
+          "1.0~rc1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0\" before \"1.0^\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "1.0^"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0^\" and \"1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^",
+          "1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0\" before \"1.0^git1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^git1",
+          "1.0"
+        ]
+      },
+      "expected_output": [
+        "1.0",
+        "1.0^git1"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0^git1\" and \"1.0\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^git1",
+          "1.0"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0^git1\" before \"1.0^git2\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^git2",
+          "1.0^git1"
+        ]
+      },
+      "expected_output": [
+        "1.0^git1",
+        "1.0^git2"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0^git1\" and \"1.0^git2\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^git1",
+          "1.0^git2"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0^git1\" before \"1.01\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.01",
+          "1.0^git1"
+        ]
+      },
+      "expected_output": [
+        "1.0^git1",
+        "1.01"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0^git1\" and \"1.01\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^git1",
+          "1.01"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0^20160101\" before \"1.0.1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0.1",
+          "1.0^20160101"
+        ]
+      },
+      "expected_output": [
+        "1.0^20160101",
+        "1.0.1"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0^20160101\" and \"1.0.1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^20160101",
+          "1.0.1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0^20160101^git1\" before \"1.0^20160102\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^20160102",
+          "1.0^20160101^git1"
+        ]
+      },
+      "expected_output": [
+        "1.0^20160101^git1",
+        "1.0^20160102"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0^20160102\" and \"1.0^20160101^git1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^20160102",
+          "1.0^20160101^git1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0~rc1\" before \"1.0~rc1^git1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0~rc1^git1",
+          "1.0~rc1"
+        ]
+      },
+      "expected_output": [
+        "1.0~rc1",
+        "1.0~rc1^git1"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0~rc1^git1\" and \"1.0~rc1\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0~rc1^git1",
+          "1.0~rc1"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.0^git1~pre\" before \"1.0^git1\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^git1",
+          "1.0^git1~pre"
+        ]
+      },
+      "expected_output": [
+        "1.0^git1~pre",
+        "1.0^git1"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1.0^git1\" and \"1.0^git1~pre\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.0^git1",
+          "1.0^git1~pre"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1b.fc17\" before \"1.fc17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.fc17",
+          "1b.fc17"
+        ]
+      },
+      "expected_output": [
+        "1b.fc17",
+        "1.fc17"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1b.fc17\" and \"1.fc17\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1b.fc17",
+          "1.fc17"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM orders \"1.fc17\" before \"1g.fc17\".",
+      "test_group": "recommended",
+      "test_type": "comparison",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1g.fc17",
+          "1.fc17"
+        ]
+      },
+      "expected_output": [
+        "1.fc17",
+        "1g.fc17"
+      ]
+    },
+    {
+      "description": "univers RPM treats \"1g.fc17\" and \"1.fc17\" as different.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1g.fc17",
+          "1.fc17"
+        ]
+      },
+      "expected_output": false
+    },
+    {
+      "description": "univers RPM treats \"1.1.α\" and \"1.1.β\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.1.α",
+          "1.1.β"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers RPM treats \"1.1.αα\" and \"1.1.α\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.1.αα",
+          "1.1.α"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers RPM treats \"1.1.α\" and \"1.1.ββ\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.1.α",
+          "1.1.ββ"
+        ]
+      },
+      "expected_output": true
+    },
+    {
+      "description": "univers RPM treats \"1.1.ββ\" and \"1.1.αα\" as equal.",
+      "test_group": "recommended",
+      "test_type": "equality",
+      "input": {
+        "input_type": "rpm",
+        "versions": [
+          "1.1.ββ",
+          "1.1.αα"
+        ]
+      },
+      "expected_output": true
+    }
+  ]
+}
diff --git a/tools/diff-univers/main.go b/tools/diff-univers/main.go
new file mode 100644
index 0000000..4a66abe
--- /dev/null
+++ b/tools/diff-univers/main.go
@@ -0,0 +1,327 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"flag"
+	"fmt"
+	"io"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"sort"
+	"strings"
+
+	vers "github.com/git-pkgs/vers"
+)
+
+const universScript = `
+import json
+import sys
+
+from univers.version_range import RANGE_CLASS_BY_SCHEMES
+from univers.version_range import VersionRange
+from univers.versions import AlpineLinuxVersion
+from univers.versions import SemverVersion
+
+
+ALIASES = {
+    "alpine": "apk",
+    "debian": "deb",
+    "gentoo": "ebuild",
+    "go": "golang",
+    "rubygems": "gem",
+}
+
+
+def version_class(scheme):
+    scheme = ALIASES.get(scheme, scheme)
+    if scheme == "apk":
+        return AlpineLinuxVersion
+    if scheme == "semver":
+        return SemverVersion
+    range_class = RANGE_CLASS_BY_SCHEMES.get(scheme)
+    if range_class is None:
+        raise ValueError(f"univers does not support the {scheme!r} scheme")
+    return range_class.version_class
+
+
+def compare(query):
+    cls = version_class(query["scheme"])
+    left = cls(query["left"])
+    right = cls(query["right"])
+    return (left > right) - (left < right)
+
+
+def contains(query):
+    value = VersionRange.from_string(query["vers"])
+    version = value.version_class(query["version"])
+    return version in value
+
+
+results = []
+for query in json.load(sys.stdin):
+    result = {"id": query["id"]}
+    try:
+        if query["operation"] == "compare":
+            result["comparison"] = compare(query)
+        else:
+            result["contains"] = contains(query)
+    except Exception as error:
+        result["error"] = f"{type(error).__name__}: {error}"
+    results.append(result)
+
+json.dump(results, sys.stdout)
+`
+
+type testFile struct {
+	Tests []testCase `json:"tests"`
+}
+
+type testCase struct {
+	Description string          `json:"description"`
+	TestType    string          `json:"test_type"`
+	Input       json.RawMessage `json:"input"`
+}
+
+type comparisonInput struct {
+	InputType string   `json:"input_type"`
+	Versions  []string `json:"versions"`
+}
+
+type containmentInput struct {
+	VERS    string `json:"vers"`
+	Version string `json:"version"`
+}
+
+type query struct {
+	ID        int    `json:"id"`
+	Operation string `json:"operation"`
+	Scheme    string `json:"scheme,omitempty"`
+	Left      string `json:"left,omitempty"`
+	Right     string `json:"right,omitempty"`
+	VERS      string `json:"vers,omitempty"`
+	Version   string `json:"version,omitempty"`
+	Source    string `json:"-"`
+}
+
+type referenceResult struct {
+	ID         int    `json:"id"`
+	Comparison int    `json:"comparison"`
+	Contains   bool   `json:"contains"`
+	Error      string `json:"error"`
+}
+
+func main() {
+	fixtures := flag.String("fixtures", "testdata/local/tests/*_univers_*_test.json", "glob of conformance fixtures to compare")
+	python := flag.String("python", "python3", "Python executable with univers installed")
+	universPath := flag.String("univers", "", "optional package-url/univers checkout")
+	flag.Parse()
+
+	queries, err := loadQueries(*fixtures)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+	if len(queries) == 0 {
+		fmt.Fprintln(os.Stderr, "no comparison or containment cases found")
+		os.Exit(1)
+	}
+
+	results, err := runUnivers(*python, *universPath, queries)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+
+	differences, err := compareResults(queries, results, os.Stdout)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+	if differences > 0 {
+		fmt.Fprintf(os.Stderr, "%d difference(s) found\n", differences)
+		os.Exit(1)
+	}
+	fmt.Printf("univers agrees with vers for %d cases\n", len(queries))
+}
+
+func loadQueries(pattern string) ([]query, error) {
+	filenames, err := filepath.Glob(pattern)
+	if err != nil {
+		return nil, fmt.Errorf("find fixtures: %w", err)
+	}
+	if len(filenames) == 0 {
+		return nil, fmt.Errorf("no fixtures match %q", pattern)
+	}
+	sort.Strings(filenames)
+
+	queries := make([]query, 0)
+	seen := make(map[string]bool)
+	for _, filename := range filenames {
+		data, err := os.ReadFile(filename)
+		if err != nil {
+			return nil, fmt.Errorf("read %s: %w", filename, err)
+		}
+		var tf testFile
+		if err := json.Unmarshal(data, &tf); err != nil {
+			return nil, fmt.Errorf("parse %s: %w", filename, err)
+		}
+		for _, tc := range tf.Tests {
+			q, ok, err := queryForCase(filename, tc)
+			if err != nil {
+				return nil, err
+			}
+			if !ok {
+				continue
+			}
+			key := queryKey(q)
+			if seen[key] {
+				continue
+			}
+			seen[key] = true
+			q.ID = len(queries)
+			queries = append(queries, q)
+		}
+	}
+	return queries, nil
+}
+
+func queryForCase(filename string, tc testCase) (query, bool, error) {
+	source := filename + ": " + tc.Description
+	switch tc.TestType {
+	case "comparison", "equality":
+		var input comparisonInput
+		if err := json.Unmarshal(tc.Input, &input); err != nil {
+			return query{}, false, fmt.Errorf("parse input for %s: %w", source, err)
+		}
+		if input.InputType == "" || len(input.Versions) != 2 {
+			return query{}, false, fmt.Errorf("invalid comparison input for %s", source)
+		}
+		return query{
+			Operation: "compare", Scheme: input.InputType,
+			Left: input.Versions[0], Right: input.Versions[1], Source: source,
+		}, true, nil
+	case "containment":
+		var input containmentInput
+		if err := json.Unmarshal(tc.Input, &input); err != nil {
+			return query{}, false, fmt.Errorf("parse input for %s: %w", source, err)
+		}
+		if input.VERS == "" || input.Version == "" {
+			return query{}, false, fmt.Errorf("invalid containment input for %s", source)
+		}
+		return query{
+			Operation: "contains", VERS: input.VERS, Version: input.Version, Source: source,
+		}, true, nil
+	default:
+		return query{}, false, nil
+	}
+}
+
+func queryKey(q query) string {
+	return strings.Join([]string{q.Operation, q.Scheme, q.Left, q.Right, q.VERS, q.Version}, "\x00")
+}
+
+func runUnivers(python, checkout string, queries []query) ([]referenceResult, error) {
+	input, err := json.Marshal(queries)
+	if err != nil {
+		return nil, fmt.Errorf("encode univers queries: %w", err)
+	}
+
+	command := exec.Command(python, "-c", universScript)
+	command.Stdin = bytes.NewReader(input)
+	if checkout != "" {
+		sourcePath, err := filepath.Abs(filepath.Join(checkout, "src"))
+		if err != nil {
+			return nil, fmt.Errorf("resolve univers checkout: %w", err)
+		}
+		pythonPath := sourcePath
+		if existing := os.Getenv("PYTHONPATH"); existing != "" {
+			pythonPath += string(os.PathListSeparator) + existing
+		}
+		command.Env = append(os.Environ(), "PYTHONPATH="+pythonPath)
+	}
+
+	var stderr bytes.Buffer
+	command.Stderr = &stderr
+	output, err := command.Output()
+	if err != nil {
+		message := strings.TrimSpace(stderr.String())
+		if message == "" {
+			message = err.Error()
+		}
+		return nil, fmt.Errorf("run univers: %s", message)
+	}
+
+	var results []referenceResult
+	if err := json.Unmarshal(output, &results); err != nil {
+		return nil, fmt.Errorf("decode univers results: %w", err)
+	}
+	return results, nil
+}
+
+func compareResults(queries []query, results []referenceResult, output io.Writer) (int, error) {
+	if len(results) != len(queries) {
+		return 0, fmt.Errorf("univers returned %d results for %d queries", len(results), len(queries))
+	}
+
+	differences := 0
+	for i, q := range queries {
+		result := results[i]
+		if result.ID != q.ID {
+			return 0, fmt.Errorf("univers result %d has query ID %d, want %d", i, result.ID, q.ID)
+		}
+		different, err := compareResult(q, result, output)
+		if err != nil {
+			return 0, err
+		}
+		if different {
+			differences++
+		}
+	}
+	return differences, nil
+}
+
+func compareResult(q query, result referenceResult, output io.Writer) (bool, error) {
+	if result.Error != "" {
+		if _, err := fmt.Fprintf(output, "%s\n  univers error: %s\n", q.Source, result.Error); err != nil {
+			return false, fmt.Errorf("write difference: %w", err)
+		}
+		return true, nil
+	}
+
+	switch q.Operation {
+	case "compare":
+		actual := vers.CompareWithScheme(q.Left, q.Right, q.Scheme)
+		if actual == result.Comparison {
+			return false, nil
+		}
+		if _, err := fmt.Fprintf(output, "%s\n  vers: %d; univers: %d\n", q.Source, actual, result.Comparison); err != nil {
+			return false, fmt.Errorf("write difference: %w", err)
+		}
+		return true, nil
+	case "contains":
+		return compareContainment(q, result, output)
+	default:
+		return false, errors.New("unknown query operation " + q.Operation)
+	}
+}
+
+func compareContainment(q query, result referenceResult, output io.Writer) (bool, error) {
+	rangeValue, err := vers.Parse(q.VERS)
+	if err != nil {
+		if _, writeErr := fmt.Fprintf(output, "%s\n  vers error: %s\n", q.Source, err); writeErr != nil {
+			return false, fmt.Errorf("write difference: %w", writeErr)
+		}
+		return true, nil
+	}
+	actual := rangeValue.Contains(q.Version)
+	if actual == result.Contains {
+		return false, nil
+	}
+	if _, err := fmt.Fprintf(output, "%s\n  vers: %t; univers: %t\n", q.Source, actual, result.Contains); err != nil {
+		return false, fmt.Errorf("write difference: %w", err)
+	}
+	return true, nil
+}
diff --git a/tools/diff-univers/main_test.go b/tools/diff-univers/main_test.go
new file mode 100644
index 0000000..36a6161
--- /dev/null
+++ b/tools/diff-univers/main_test.go
@@ -0,0 +1,100 @@
+package main
+
+import (
+	"bytes"
+	"os"
+	"path/filepath"
+	"reflect"
+	"testing"
+)
+
+func TestLoadQueries(t *testing.T) {
+	directory := t.TempDir()
+	filename := filepath.Join(directory, "sample.json")
+	data := []byte(`{
+  "tests": [
+    {
+      "description": "orders versions",
+      "test_type": "comparison",
+      "input": {"input_type": "deb", "versions": ["2", "1"]}
+    },
+    {
+      "description": "the same pair is unequal",
+      "test_type": "equality",
+      "input": {"input_type": "deb", "versions": ["2", "1"]}
+    },
+    {
+      "description": "contains a version",
+      "test_type": "containment",
+      "input": {"vers": "vers:conan/>=1|<2", "version": "1.5"}
+    },
+    {
+      "description": "ignored native parse case",
+      "test_type": "native_parse",
+      "input": {}
+    }
+  ]
+}`)
+	if err := os.WriteFile(filename, data, 0o600); err != nil {
+		t.Fatal(err)
+	}
+
+	got, err := loadQueries(filepath.Join(directory, "*.json"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	want := []query{
+		{
+			ID: 0, Operation: "compare", Scheme: "deb", Left: "2", Right: "1",
+			Source: filename + ": orders versions",
+		},
+		{
+			ID: 1, Operation: "contains", VERS: "vers:conan/>=1|<2", Version: "1.5",
+			Source: filename + ": contains a version",
+		},
+	}
+	if !reflect.DeepEqual(got, want) {
+		t.Errorf("queries = %#v, want %#v", got, want)
+	}
+}
+
+func TestQueryForCaseRejectsInvalidComparison(t *testing.T) {
+	_, _, err := queryForCase("fixture.json", testCase{
+		Description: "bad input",
+		TestType:    "comparison",
+		Input:       []byte(`{"input_type":"rpm","versions":["1"]}`),
+	})
+	if err == nil {
+		t.Fatal("expected an error")
+	}
+}
+
+func TestQueryKeyIncludesOperationAndInputs(t *testing.T) {
+	first := query{Operation: "compare", Scheme: "deb", Left: "1", Right: "2"}
+	second := query{Operation: "compare", Scheme: "deb", Left: "1", Right: "3"}
+	if queryKey(first) == queryKey(second) {
+		t.Fatal("different queries have the same key")
+	}
+}
+
+func TestCompareResultsReportsDifferences(t *testing.T) {
+	queries := []query{
+		{ID: 0, Operation: "compare", Scheme: "deb", Left: "1", Right: "2", Source: "comparison"},
+		{ID: 1, Operation: "contains", VERS: "vers:conan/>=1|<2", Version: "1.5", Source: "containment"},
+	}
+	results := []referenceResult{
+		{ID: 0, Comparison: 1},
+		{ID: 1, Contains: true},
+	}
+	var output bytes.Buffer
+	differences, err := compareResults(queries, results, &output)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if differences != 1 {
+		t.Fatalf("differences = %d, want 1", differences)
+	}
+	if output.String() != "comparison\n  vers: -1; univers: 1\n" {
+		t.Errorf("output = %q", output.String())
+	}
+}
diff --git a/tools/harvest/main.go b/tools/harvest/main.go
index 1fe15aa..bb3f406 100644
--- a/tools/harvest/main.go
+++ b/tools/harvest/main.go
@@ -39,6 +39,7 @@ type sourceSpec struct {
 	generatedRangeOutputFile string
 	referenceRuntimes        []string
 	evaluateRanges           rangeEvaluator
+	generateAdditional       additionalGenerator
 }
 
 type comparison struct {
@@ -61,6 +62,8 @@ type containmentQuery struct {
 
 type rangeEvaluator func(string, []containmentQuery) ([]bool, error)
 
+type additionalGenerator func(map[string]string, string) ([]string, error)
+
 type testFile struct {
 	Schema string     `json:"$schema"`
 	Tests  []testCase `json:"tests"`
@@ -198,6 +201,31 @@ var sources = []sourceSpec{
 		localPath: "golang/mod", sourceFiles: []string{"semver/semver_test.go"},
 		outputFile: "go_version_cmp_test.json", extract: extractGo,
 	},
+	{
+		name:       "univers",
+		repository: "https://github.com/package-url/univers.git",
+		commit:     "f365e4ee6eea8ebf1ad9219ccf4c4d523e822fb2",
+		license:    "Apache-2.0 AND BSD-3-Clause AND GPL-2.0-only AND MIT",
+		localPath:  "univers",
+		sourceFiles: []string{
+			"tests/test_debian_version.py",
+			"tests/test_debian_version.py.ABOUT",
+			"tests/data/rpmvercmp.at",
+			"tests/data/rpmvercmp.at.ABOUT",
+			"tests/test_gentoo_pkgcore.py",
+			"tests/test_gentoo_pkgcore.py.ABOUT",
+			"tests/data/alpine_test.txt",
+			"tests/data/alpine_test.txt.ABOUT",
+			"tests/test_pacman_vercmp.py",
+			"tests/test_pacman_vercmp.py.ABOUT",
+			"tests/test_conan_version_comparison.py",
+			"tests/test_conan_version_comparison.py.ABOUT",
+			"tests/test_conan_version_range.py",
+			"tests/test_conan_version_range.py.ABOUT",
+			"tests/data/npm_advisory.json",
+		},
+		generateAdditional: generateUnivers,
+	},
 }
 
 func main() {
@@ -307,6 +335,13 @@ func harvestSource(source sourceSpec, files map[string]string, checkout, testsDi
 		}
 		generatedFiles = append(generatedFiles, generatedFilename)
 	}
+	if source.generateAdditional != nil {
+		additional, err := source.generateAdditional(files, filepath.Dir(testsDir))
+		if err != nil {
+			return nil, fmt.Errorf("generate %s fixtures: %w", source.name, err)
+		}
+		generatedFiles = append(generatedFiles, additional...)
+	}
 
 	return generatedFiles, nil
 }
diff --git a/tools/harvest/univers.go b/tools/harvest/univers.go
new file mode 100644
index 0000000..5afb10f
--- /dev/null
+++ b/tools/harvest/univers.go
@@ -0,0 +1,379 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+const (
+	npmAdvisorySource        = "tests/data/npm_advisory.json"
+	universAdditionalOutputs = 2
+	alpineComparisonFields   = 3
+)
+
+func generateUnivers(files map[string]string, outputRoot string) ([]string, error) {
+	testsDir := filepath.Join(outputRoot, "tests")
+	comparisonFixtures := []struct {
+		filename string
+		name     string
+		scheme   string
+		extract  func(map[string]string) ([]comparison, error)
+	}{
+		{"deb_univers_version_cmp_test.json", "univers Debian", "deb", extractUniversDebian},
+		{"rpm_univers_version_cmp_test.json", "univers RPM", "rpm", extractUniversRPM},
+		{"gentoo_univers_version_cmp_test.json", "univers Gentoo", "gentoo", extractUniversGentoo},
+		{"apk_univers_version_cmp_test.json", "univers Alpine", "apk", extractUniversAlpine},
+		{"alpm_univers_version_cmp_test.json", "univers Pacman", "alpm", extractUniversPacman},
+		{"conan_univers_version_cmp_test.json", "univers Conan", "conan", extractUniversConan},
+	}
+	generated := make([]string, 0, len(comparisonFixtures)+universAdditionalOutputs)
+	for _, fixture := range comparisonFixtures {
+		comparisons, err := fixture.extract(files)
+		if err != nil {
+			return nil, err
+		}
+		source := sourceSpec{name: fixture.name, scheme: fixture.scheme}
+		if err := writeJSON(filepath.Join(testsDir, fixture.filename), buildTestFile(source, comparisons)); err != nil {
+			return nil, err
+		}
+		generated = append(generated, filepath.ToSlash(filepath.Join("tests", fixture.filename)))
+	}
+
+	assertions, err := extractUniversConanRanges(files)
+	if err != nil {
+		return nil, err
+	}
+	conanSource := sourceSpec{name: "univers Conan", scheme: "conan"}
+	conanFile, err := buildRangeTestFile(conanSource, assertions)
+	if err != nil {
+		return nil, err
+	}
+	const conanFilename = "conan_univers_range_test.json"
+	if err := writeJSON(filepath.Join(testsDir, conanFilename), conanFile); err != nil {
+		return nil, err
+	}
+	generated = append(generated, filepath.ToSlash(filepath.Join("tests", conanFilename)))
+
+	dataDirectory := filepath.Join(outputRoot, "data")
+	if err := os.MkdirAll(dataDirectory, directoryMode); err != nil {
+		return nil, err
+	}
+	advisory := files[npmAdvisorySource]
+	if !strings.HasSuffix(advisory, "\n") {
+		advisory += "\n"
+	}
+	const advisoryFilename = "npm_advisory.json"
+	if err := os.WriteFile(filepath.Join(dataDirectory, advisoryFilename), []byte(advisory), fileMode); err != nil {
+		return nil, err
+	}
+	generated = append(generated, filepath.ToSlash(filepath.Join("data", advisoryFilename)))
+
+	return generated, nil
+}
+
+func extractUniversDebian(files map[string]string) ([]comparison, error) {
+	content := files["tests/test_debian_version.py"]
+	pattern := regexp.MustCompile(`compare_versions\(\s*"([^"]*)",\s*"([^"]*)"\s*\)\s*==\s*(-?1|0)`)
+	items := make([]comparison, 0)
+	for _, match := range pattern.FindAllStringSubmatch(content, -1) {
+		result, _ := strconv.Atoi(match[3])
+		items = append(items, comparison{left: match[1], right: match[2], result: result})
+	}
+	return requireComparisons(items)
+}
+
+func extractUniversRPM(files map[string]string) ([]comparison, error) {
+	content := files["tests/data/rpmvercmp.at"]
+	pattern := regexp.MustCompile(`(?m)^\s*(?:dnl\s+)?RPMVERCMP\(([^,]*),\s*([^,]*),\s*(-?1|0)\)`)
+	items := make([]comparison, 0)
+	for _, match := range pattern.FindAllStringSubmatch(content, -1) {
+		result, _ := strconv.Atoi(match[3])
+		items = append(items, comparison{
+			left: strings.TrimSpace(match[1]), right: strings.TrimSpace(match[2]), result: result,
+		})
+	}
+	return requireComparisons(items)
+}
+
+func extractUniversGentoo(files map[string]string) ([]comparison, error) {
+	content := files["tests/test_gentoo_pkgcore.py"]
+	pattern := regexp.MustCompile(`assert\s+(older|newer|equal)\(f?"([^"{}]+)",\s*f?"([^"{}]+)"\)`)
+	items := make([]comparison, 0)
+	for _, match := range pattern.FindAllStringSubmatch(content, -1) {
+		result := 0
+		switch match[1] {
+		case "older":
+			result = -1
+		case "newer":
+			result = 1
+		}
+		items = append(items, comparison{left: match[2], right: match[3], result: result})
+	}
+	notEqual := regexp.MustCompile(`assert\s+not\s+equal\(f?"([^"{}]+)",\s*f?"([^"{}]+)"\)`)
+	for _, match := range notEqual.FindAllStringSubmatch(content, -1) {
+		items = append(items, comparison{left: match[1], right: match[2], differentOnly: true})
+	}
+	return requireComparisons(items)
+}
+
+func extractUniversAlpine(files map[string]string) ([]comparison, error) {
+	content := files["tests/data/alpine_test.txt"]
+	items := make([]comparison, 0)
+	for lineNumber, line := range strings.Split(content, "\n") {
+		fields := strings.Fields(line)
+		if len(fields) == 0 {
+			continue
+		}
+		if len(fields) != alpineComparisonFields {
+			return nil, fmt.Errorf("parse Alpine comparison line %d: %q", lineNumber+1, line)
+		}
+		result, ok := strictOperatorResult(fields[1])
+		if !ok {
+			return nil, fmt.Errorf("parse Alpine comparison operator %q", fields[1])
+		}
+		items = append(items, comparison{left: fields[0], right: fields[2], result: result})
+	}
+	return requireComparisons(items)
+}
+
+func extractUniversPacman(files map[string]string) ([]comparison, error) {
+	content := files["tests/test_pacman_vercmp.py"]
+	pattern := regexp.MustCompile(`(?m)^\s*assert\s+ArchLinuxVersion\("([^"]+)"\)\s*(==|<|>)\s*ArchLinuxVersion\("([^"]+)"\)`)
+	items := make([]comparison, 0)
+	for _, match := range pattern.FindAllStringSubmatch(content, -1) {
+		result, _ := strictOperatorResult(match[2])
+		items = append(items, comparison{left: match[1], right: match[3], result: result})
+	}
+	return requireComparisons(items)
+}
+
+func extractUniversConan(files map[string]string) ([]comparison, error) {
+	content := files["tests/test_conan_version_comparison.py"]
+	lessThan, err := pythonAssignedList(content, "v")
+	if err != nil {
+		return nil, err
+	}
+	equal, err := pythonAssignedList(content, "e")
+	if err != nil {
+		return nil, err
+	}
+	pair := regexp.MustCompile(`\(\s*"([^"]+)"\s*,\s*"([^"]+)"\s*\)`)
+	items := make([]comparison, 0)
+	for _, match := range pair.FindAllStringSubmatch(lessThan, -1) {
+		items = append(items, comparison{left: match[1], right: match[2], result: -1})
+	}
+	for _, match := range pair.FindAllStringSubmatch(equal, -1) {
+		items = append(items, comparison{left: match[1], right: match[2]})
+	}
+	return requireComparisons(items)
+}
+
+func extractUniversConanRanges(files map[string]string) ([]nativeRangeAssertion, error) {
+	content := files["tests/test_conan_version_range.py"]
+	list, err := pythonAssignedList(content, "values")
+	if err != nil {
+		return nil, err
+	}
+	records, err := splitPythonList(list)
+	if err != nil {
+		return nil, err
+	}
+	assertions := make([]nativeRangeAssertion, 0)
+	for _, record := range records {
+		fields, splitErr := splitPythonList(record)
+		if splitErr != nil || len(fields) != 4 {
+			return nil, fmt.Errorf("parse Conan range record %q", record)
+		}
+		nativeRange, stringErr := pythonString(fields[0])
+		if stringErr != nil {
+			return nil, stringErr
+		}
+		// Conan's empty range has implicit stable-only behavior, and the
+		// include_prerelease option is configuration rather than range syntax.
+		if nativeRange == "" || strings.Contains(nativeRange, "include_prerelease=") {
+			continue
+		}
+		for _, group := range []struct {
+			field    string
+			contains bool
+		}{{fields[2], true}, {fields[3], false}} {
+			for _, match := range quotedValue.FindAllStringSubmatch(group.field, -1) {
+				assertions = append(assertions, nativeRangeAssertion{
+					nativeRange: nativeRange, version: match[1], contains: group.contains,
+				})
+			}
+		}
+	}
+	return requireRangeAssertions(assertions)
+}
+
+func pythonAssignedList(content, name string) (string, error) {
+	pattern := regexp.MustCompile(`(?m)^` + regexp.QuoteMeta(name) + `\s*=\s*\[`)
+	location := pattern.FindStringIndex(content)
+	if location == nil {
+		return "", fmt.Errorf("python list %q not found", name)
+	}
+	start := location[1] - 1
+	end, err := matchingPythonBracket(content, start)
+	if err != nil {
+		return "", fmt.Errorf("parse Python list %q: %w", name, err)
+	}
+	return content[start : end+1], nil
+}
+
+func matchingPythonBracket(content string, start int) (int, error) {
+	depth := 0
+	var quote byte
+	escaped := false
+	comment := false
+	for index := start; index < len(content); index++ {
+		character := content[index]
+		if comment {
+			if character == '\n' {
+				comment = false
+			}
+			continue
+		}
+		if quote != 0 {
+			switch {
+			case escaped:
+				escaped = false
+			case character == '\\':
+				escaped = true
+			case character == quote:
+				quote = 0
+			}
+			continue
+		}
+		switch character {
+		case '\'', '"':
+			quote = character
+		case '#':
+			comment = true
+		case '[', '(', '{':
+			depth++
+		case ']', ')', '}':
+			depth--
+			if depth == 0 {
+				return index, nil
+			}
+		}
+	}
+	return 0, fmt.Errorf("unclosed bracket at offset %d", start)
+}
+
+func splitPythonList(value string) ([]string, error) {
+	value = strings.TrimSpace(value)
+	if len(value) < 2 || value[0] != '[' || value[len(value)-1] != ']' {
+		return nil, fmt.Errorf("not a Python list: %q", value)
+	}
+	content := stripPythonComments(value[1 : len(value)-1])
+	items := make([]string, 0)
+	start := 0
+	depth := 0
+	var quote byte
+	escaped := false
+	comment := false
+	for index := 0; index < len(content); index++ {
+		character := content[index]
+		if comment {
+			if character == '\n' {
+				comment = false
+			}
+			continue
+		}
+		if quote != 0 {
+			switch {
+			case escaped:
+				escaped = false
+			case character == '\\':
+				escaped = true
+			case character == quote:
+				quote = 0
+			}
+			continue
+		}
+		switch character {
+		case '\'', '"':
+			quote = character
+		case '#':
+			comment = true
+		case '[', '(', '{':
+			depth++
+		case ']', ')', '}':
+			depth--
+		case ',':
+			if depth == 0 {
+				if item := strings.TrimSpace(content[start:index]); item != "" {
+					items = append(items, item)
+				}
+				start = index + 1
+			}
+		}
+	}
+	if quote != 0 || depth != 0 {
+		return nil, fmt.Errorf("unbalanced Python list: %q", value)
+	}
+	if item := strings.TrimSpace(content[start:]); item != "" {
+		items = append(items, item)
+	}
+	return items, nil
+}
+
+func stripPythonComments(content string) string {
+	var result strings.Builder
+	result.Grow(len(content))
+	var quote byte
+	escaped := false
+	comment := false
+	for index := 0; index < len(content); index++ {
+		character := content[index]
+		if comment {
+			if character == '\n' {
+				comment = false
+				result.WriteByte(character)
+			}
+			continue
+		}
+		if quote != 0 {
+			result.WriteByte(character)
+			switch {
+			case escaped:
+				escaped = false
+			case character == '\\':
+				escaped = true
+			case character == quote:
+				quote = 0
+			}
+			continue
+		}
+		switch character {
+		case '\'', '"':
+			quote = character
+			result.WriteByte(character)
+		case '#':
+			comment = true
+		default:
+			result.WriteByte(character)
+		}
+	}
+	return result.String()
+}
+
+func pythonString(value string) (string, error) {
+	value = strings.TrimSpace(value)
+	if len(value) < 2 || value[0] != value[len(value)-1] || value[0] != '"' && value[0] != '\'' {
+		return "", fmt.Errorf("not a Python string: %q", value)
+	}
+	if value[0] == '"' {
+		return strconv.Unquote(value)
+	}
+	inner := value[1 : len(value)-1]
+	inner = strings.ReplaceAll(inner, `\\`, `\`)
+	inner = strings.ReplaceAll(inner, `\'`, `'`)
+	return inner, nil
+}
diff --git a/tools/harvest/univers_test.go b/tools/harvest/univers_test.go
new file mode 100644
index 0000000..d046ab9
--- /dev/null
+++ b/tools/harvest/univers_test.go
@@ -0,0 +1,129 @@
+package main
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestUniversComparisonExtractors(t *testing.T) {
+	tests := []struct {
+		name    string
+		extract func(map[string]string) ([]comparison, error)
+		files   map[string]string
+		want    []comparison
+	}{
+		{
+			name: "debian", extract: extractUniversDebian,
+			files: map[string]string{"tests/test_debian_version.py": `
+assert compare_versions("1.0", "1.0-0") == 0
+assert compare_versions("1.0", "2.0") == -1
+`},
+			want: []comparison{{left: "1.0", right: "1.0-0"}, {left: "1.0", right: "2.0", result: -1}},
+		},
+		{
+			name: "rpm", extract: extractUniversRPM,
+			files: map[string]string{"tests/data/rpmvercmp.at": `
+RPMVERCMP(1.0, 2.0, -1)
+dnl RPMVERCMP(1a, 1b, -1)
+`},
+			want: []comparison{{left: "1.0", right: "2.0", result: -1}, {left: "1a", right: "1b", result: -1}},
+		},
+		{
+			name: "gentoo", extract: extractUniversGentoo,
+			files: map[string]string{"tests/test_gentoo_pkgcore.py": `
+assert older("1_alpha", "1")
+assert newer("2", "1")
+assert equal("1-r0", "1")
+assert not equal("1_p1", "1")
+`},
+			want: []comparison{
+				{left: "1_alpha", right: "1", result: -1},
+				{left: "2", right: "1", result: 1},
+				{left: "1-r0", right: "1"},
+				{left: "1_p1", right: "1", differentOnly: true},
+			},
+		},
+		{
+			name: "alpine", extract: extractUniversAlpine,
+			files: map[string]string{"tests/data/alpine_test.txt": "1.0 < 2.0\n2.0 = 2.0\n"},
+			want:  []comparison{{left: "1.0", right: "2.0", result: -1}, {left: "2.0", right: "2.0"}},
+		},
+		{
+			name: "pacman", extract: extractUniversPacman,
+			files: map[string]string{"tests/test_pacman_vercmp.py": `
+assert ArchLinuxVersion("1.0") < ArchLinuxVersion("2.0")
+assert ArchLinuxVersion("1.0") == ArchLinuxVersion("1.0-1")
+# assert ArchLinuxVersion("2___a") == ArchLinuxVersion("2_a")
+`},
+			want: []comparison{{left: "1.0", right: "2.0", result: -1}, {left: "1.0", right: "1.0-1"}},
+		},
+		{
+			name: "conan", extract: extractUniversConan,
+			files: map[string]string{"tests/test_conan_version_comparison.py": `
+v = [
+    # Ordered pairs.
+    ("1", "2"),
+]
+e = [
+    ("1", "1.0"),
+]
+`},
+			want: []comparison{{left: "1", right: "2", result: -1}, {left: "1", right: "1.0"}},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := test.extract(test.files)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if !reflect.DeepEqual(got, test.want) {
+				t.Errorf("comparisons = %#v, want %#v", got, test.want)
+			}
+		})
+	}
+}
+
+func TestExtractUniversConanRanges(t *testing.T) {
+	files := map[string]string{"tests/test_conan_version_range.py": `
+values = [
+    ["", [], ["1.0"], ["1.0-pre"]],
+    ["*, include_prerelease=True", [], ["1.0-pre"], []],
+    # A supported range spread over several lines.
+    [
+        "^1.2",
+        [[[]]],
+        ["1.2.1", "1.9"],
+        ["2.0"],
+    ],
+]
+`}
+	got, err := extractUniversConanRanges(files)
+	if err != nil {
+		t.Fatal(err)
+	}
+	want := []nativeRangeAssertion{
+		{nativeRange: "^1.2", version: "1.2.1", contains: true},
+		{nativeRange: "^1.2", version: "1.9", contains: true},
+		{nativeRange: "^1.2", version: "2.0", contains: false},
+	}
+	if !reflect.DeepEqual(got, want) {
+		t.Errorf("assertions = %#v, want %#v", got, want)
+	}
+}
+
+func TestSplitPythonListHandlesCommentsAndEmptyStrings(t *testing.T) {
+	got, err := splitPythonList(`[
+        # first item
+        ["", ["1"]],
+        ["two", []],
+    ]`)
+	if err != nil {
+		t.Fatal(err)
+	}
+	want := []string{`["", ["1"]]`, `["two", []]`}
+	if !reflect.DeepEqual(got, want) {
+		t.Errorf("items = %#v, want %#v", got, want)
+	}
+}