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import junit.framework.TestCase;
import set.*;
public class StringPairSetTest extends TestCase{
public void testSimpleAdd() {
StringPairSet s = new StringPairSet();
s.add(new StringPair("foo", "bar"));
s.add(new StringPair("foo", "bar"));
s.add(new StringPair("bar", "foo"));
s.add(new StringPair("baz", "bam"));
assertEquals(s.size(), 3);
}
public void testSimpleUnion() {
StringPairSet s1 = new StringPairSet();
StringPairSet s2 = new StringPairSet();
s1.add(new StringPair("foo", "bar"));
s1.add(new StringPair("bar", "baz"));
s2.add(new StringPair("foo", "bar"));
s2.add(new StringPair("floo", "gloo"));
StringPairSet s3 = s1.union(s2);
assertEquals(s3.size(), 3);
}
public void testSimpleIntersect() {
StringPairSet s1 = new StringPairSet();
StringPairSet s2 = new StringPairSet();
s1.add(new StringPair("foo", "bar"));
s1.add(new StringPair("bar", "baz"));
s2.add(new StringPair("foo", "bar"));
s2.add(new StringPair("floo", "gloo"));
StringPairSet s3 = s1.intersect(s2);
assertEquals(s3.size(), 1);
}
}