@Override
@Test
public void intersect() {
Assert.assertEquals(
UnifiedSet.<String>newSet(),
this.classUnderTest().intersect(UnifiedSet.newSetWith(1, 2, 3)));
}
@Override
@Test
public void symmetricDifference() {
Assert.assertEquals(
UnifiedSet.newSetWith(999),
this.classUnderTest().symmetricDifference(UnifiedSet.newSetWith(999)));
}
@Override
@Test
public void union() {
Assert.assertEquals(
UnifiedSet.newSetWith(1, 2, 3),
this.classUnderTest().union(UnifiedSet.newSetWith(1, 2, 3)));
}
@Override
@Test
public void difference() {
ImmutableSet<Integer> set = this.classUnderTest();
ImmutableSet<Integer> difference = set.difference(UnifiedSet.newSetWith(1, 2, 3, 999));
Assert.assertEquals(UnifiedSet.<Integer>newSet(), difference);
Assert.assertEquals(set, set.difference(UnifiedSet.newSetWith(999)));
}
@Override
@Test
public void unionInto() {
Assert.assertEquals(
UnifiedSet.newSetWith(1, 2, 3),
this.classUnderTest()
.unionInto(UnifiedSet.newSetWith(1, 2, 3), UnifiedSet.<Integer>newSet()));
}
@Override
@Test
public void zipWithIndex() {
ImmutableSet<Integer> immutableSet = this.classUnderTest();
ImmutableSet<Pair<Integer, Integer>> pairs = immutableSet.zipWithIndex();
Assert.assertEquals(immutableSet, pairs.transform(Functions.<Integer>firstOfPair()));
Assert.assertEquals(
UnifiedSet.<Integer>newSet(), pairs.transform(Functions.<Integer>secondOfPair()));
Assert.assertEquals(
immutableSet.zipWithIndex(),
immutableSet.zipWithIndex(UnifiedSet.<Pair<Integer, Integer>>newSet()));
}
@Override
@Test
public void zip() {
ImmutableSet<Integer> immutableSet = this.classUnderTest();
List<Object> nulls = Collections.nCopies(immutableSet.size(), null);
List<Object> nullsPlusOne = Collections.nCopies(immutableSet.size() + 1, null);
ImmutableSet<Pair<Integer, Object>> pairs = immutableSet.zip(nulls);
Assert.assertEquals(immutableSet, pairs.transform(Functions.<Integer>firstOfPair()));
Assert.assertEquals(
UnifiedSet.<Object>newSet(nulls), pairs.transform(Functions.<Object>secondOfPair()));
ImmutableSet<Pair<Integer, Object>> pairsPlusOne = immutableSet.zip(nullsPlusOne);
Assert.assertEquals(immutableSet, pairsPlusOne.transform(Functions.<Integer>firstOfPair()));
Assert.assertEquals(
UnifiedSet.<Object>newSet(nulls), pairsPlusOne.transform(Functions.<Object>secondOfPair()));
Assert.assertEquals(
immutableSet.zip(nulls),
immutableSet.zip(nulls, UnifiedSet.<Pair<Integer, Object>>newSet()));
}
@Test
public void testContainsAll() {
Assert.assertTrue(this.classUnderTest().castToSet().containsAll(new HashSet<Object>()));
Assert.assertFalse(this.classUnderTest().castToSet().containsAll(UnifiedSet.newSetWith(1)));
}