@Test
public void setKeyPreservation() {
Key key = new Key("key");
Key duplicateKey1 = new Key("key");
MutableSet<Key> set1 =
UnifiedSetWithHashingStrategy.newSet(HashingStrategies.<Key>defaultStrategy())
.with(key, duplicateKey1);
Verify.assertSize(1, set1);
Verify.assertContains(key, set1);
Assert.assertSame(key, set1.getFirst());
Key duplicateKey2 = new Key("key");
MutableSet<Key> set2 =
UnifiedSetWithHashingStrategy.newSet(HashingStrategies.<Key>defaultStrategy())
.with(key, duplicateKey1, duplicateKey2);
Verify.assertSize(1, set2);
Verify.assertContains(key, set2);
Assert.assertSame(key, set2.getFirst());
Key duplicateKey3 = new Key("key");
MutableSet<Key> set3 =
UnifiedSetWithHashingStrategy.newSet(HashingStrategies.<Key>defaultStrategy())
.with(key, new Key("not a dupe"), duplicateKey3);
Verify.assertSize(2, set3);
Verify.assertContainsAll(set3, key, new Key("not a dupe"));
Assert.assertSame(key, set3.detect(key::equals));
}
@Test
public void getFirstGetLast() {
MutableSet<String> list5 = Sets.fixedSize.of("1", "2", "3", "4");
Assert.assertEquals("1", list5.getFirst());
Assert.assertEquals("4", list5.getLast());
}