Lines Matching defs:empty_set
831 empty_set = set()
869 result = self.set | empty_set
873 result = empty_set | self.set
881 result = self.set & empty_set
882 self.assertEqual(result, empty_set)
885 result = empty_set & self.set
886 self.assertEqual(result, empty_set)
893 result = self.set.isdisjoint(empty_set)
897 result = empty_set.isdisjoint(self.set)
902 self.assertEqual(result, empty_set)
905 result = self.set ^ empty_set
910 self.assertEqual(result, empty_set)
913 result = self.set - empty_set
917 result = empty_set - self.set
918 self.assertEqual(result, empty_set)
1122 self.assertEqual(result, empty_set)
1196 self.assertEqual(self.set, empty_set)