def test_magic_dict_keys(self):
magic_dict = MagicDict()
test_set = set(["d", "e", "f"])
for item in test_set:
magic_dict.add("a", item)
magic_dict.add("b", item)
magic_dict.add("c", item)
result_set = set()
for key in magic_dict.keys():
result_set.add(key)
self.assertEqual(result_set, set(["a", "b", "c"]))
