Method test_container_iterator

Lib/test/test_deque.py:730–744

(self)

    @unittest.expectedFailure  # TODO: RUSTPYTHON; AssertionError: False is not true : Cycle was not collected
    def test_container_iterator(self):
        # Bug #3680: tp_traverse was not implemented for deque iterator objects
        class C(object):
            pass
        for i in range(2):
            obj = C()
            ref = weakref.ref(obj)
            if i == 0:
                container = deque([obj, 1])
            else:
                container = reversed(deque([obj, 1]))
            obj.x = iter(container)
            del obj, container
            gc.collect()
            self.assertTrue(ref() is None, "Cycle was not collected")

    check_sizeof = support.check_sizeof