@Test
public void subsetNotEmpty() {
MutableSet<String> singletonSet = UnifiedSet.newSetWith("Bertha");
MutableSet<String> doubletonSet = UnifiedSet.newSetWith("Bertha", "Myra");
Assert.assertTrue(Sets.isSubsetOf(singletonSet, doubletonSet));
Assert.assertFalse(Sets.isSubsetOf(doubletonSet, singletonSet));
}
@Test
public void subsetEqual() {
MutableSet<String> setA = UnifiedSet.newSetWith("Bertha", null, "Myra");
MutableSet<String> setB = UnifiedSet.newSetWith("Myra", "Bertha", null);
Assert.assertTrue(Sets.isSubsetOf(setA, setB));
Assert.assertTrue(Sets.isSubsetOf(setB, setA));
}
@Test
public void subsetEmpty() {
MutableSet<String> emptySet = mSet();
MutableSet<String> singletonSet = mSet("Bertha");
Assert.assertTrue(Sets.isSubsetOf(emptySet, singletonSet));
Assert.assertFalse(Sets.isSubsetOf(singletonSet, emptySet));
}
