utils.py 文件源码

def test_pickleable(self):
        cache = LRUCache(2)
        cache["foo"] = 42
        cache["bar"] = 23
        cache["foo"]

        for protocol in range(3):
            copy = pickle.loads(pickle.dumps(cache, protocol))
            assert copy.capacity == cache.capacity
            assert copy._mapping == cache._mapping
            assert copy._queue == cache._queue