Python LRUCache.keys示例

示例#1

def test_simple():
    cache = LRUCache(maxsize=2)
    cache['x'] = 1
    cache['y'] = 2

    assert cache['x'] == 1
    assert cache['y'] == 2
    assert len(cache) == 2
    assert dict(cache) == {'x': 1, 'y': 2}
    assert list(cache.keys()) == ['x', 'y']
    assert list(cache.items()) == [('x', 1), ('y', 2)]

    cache['z'] = 3
    assert len(cache) == 2
    assert list(cache.items()) == [('y', 2), ('z', 3)]

示例#2

def test_simple():
    cache = LRUCache(maxsize=2)
    cache["x"] = 1
    cache["y"] = 2

    assert cache["x"] == 1
    assert cache["y"] == 2
    assert len(cache) == 2
    assert dict(cache) == {"x": 1, "y": 2}
    assert list(cache.keys()) == ["x", "y"]
    assert list(cache.items()) == [("x", 1), ("y", 2)]

    cache["z"] = 3
    assert len(cache) == 2
    assert list(cache.items()) == [("y", 2), ("z", 3)]