class PCSetPropertyTest(TestCase):
def setUp(self):
self.a = PCSet([0, 2, 5, 7])
self.b = PCSet([5, 7, 8])
self.c = PCSet([1, 3, 4])
def testUnion(self):
self.assertEqual(self.a + self.c, self.a.union(self.c))
def testDifference(self):
self.assertEqual(self.a - self.b, self.a.difference(self.b))
def testSymmetricDifference(self):
self.assertEqual(self.a.symmetric_difference(self.b), PCSet([0, 2, 8]))
def testIntersection(self):
self.assertEqual(PCSet([5, 7]), self.a.intersection(self.b))
def testSymDiffIntersectionUnion(self):
sym_diff = self.a.symmetric_difference(self.b)
intersection = self.a.intersection(self.b)
self.assertEqual(sym_diff + intersection, self.a.union(self.b))
def testIsSubset(self):
self.assertTrue(self.a.issubset([0,2,5,7,8,9]))
self.assertFalse(self.a.issubset([0, 2]))
def testIsSuperset(self):
self.assertTrue(self.a.issuperset([5,7]))
self.assertFalse(self.a.issuperset(self.c))
def testIsDisjoint(self):
self.assertTrue(self.a.isdisjoint(self.a.literal_compliment))
self.assertTrue(self.a.isdisjoint(self.c))
self.assertFalse(self.a.isdisjoint(self.b))
