Method test_weak_valued_len_cycles

Lib/test/test_weakref.py:1348–1349

(self)

        self.check_len_cycles(weakref.WeakKeyDictionary, lambda k: (k, 1))

    def test_weak_valued_len_cycles(self):
        self.check_len_cycles(weakref.WeakValueDictionary, lambda k: (1, k))

    def check_len_race(self, dict_type, cons):
        # Extended sanity checks for len() in the face of cyclic collection