Method test_weak_keyed_dict_popitem

Lib/test/test_weakref.py:1713–1715

(self)

                           "key1", C(), "key2", C())

    def test_weak_keyed_dict_popitem(self):
        self.check_popitem(weakref.WeakKeyDictionary,
                           C(), "value 1", C(), "value 2")

    def check_setdefault(self, klass, key, value1, value2):
        self.assertIsNot(value1, value2,