Merge pull request #5 from dougluce/master

Different objects aren't the same

Author: keithamus

lib/eql.js

@@ -21,6 +21,20 @@ catch(ex) {
   Buffer.isBuffer = function() { return false; }
 }
 
+/*!
+ * For browsers that don't support Object.getPrototypeOf (IE8?)
+ */
+
+function _getProto(object) {
+  if (typeof Object.getPrototypeOf === 'function') {
+    return Object.getPrototypeOf(object);
+  } else if (''.__proto__ === String.prototype) {
+    return object.__proto__;
+  } else {
+    return object.constructor.prototype;
+  }
+}
+
 /*!
  * Primary Export
  */
@@ -213,7 +227,7 @@ function objectEqual(a, b, m) {
     return false;
   }
 
-  if (a.prototype !== b.prototype) {
+  if (_getProto(a) !== _getProto(b)) {
     return false;
   }
 

test/bootstrap/karma.js

@@ -1,2 +1,2 @@
-global.assert = require('simple-assert');
-global.eql = require('deep-eql');
+assert = require('simple-assert');
+eql = require('deep-eql');

test/eql.js

@@ -21,6 +21,18 @@ tests.push([ 'eql([], [])', [], [] ]);
 tests.push([ 'eql({}, {})', {}, {} ]);
 tests.push([ 'eql([], {})', [], {}, true ]);
 
+/*!
+ * object identity
+ */
+
+function Base1() {};
+function Base2() {};
+var object1 = new Base1();
+var object2 = new Base2();
+
+tests.push([ 'eql(object1, object1)', object1, object1 ]);
+tests.push([ 'eql(object1, object2)', object1, object2, true ]);
+
 (function() {
   tests.push([ 'eql([], arguments)', [], arguments, true ]);
 })();