def test_items(self): """Test various items, keys, values and iterators of LRUCache.""" d = LRUCache(3) d["a"] = 1 d["b"] = 2 d["c"] = 3 assert d.items() == [("c", 3), ("b", 2), ("a", 1)] assert d.keys() == ["c", "b", "a"] assert d.values() == [3, 2, 1] assert list(reversed(d)) == ["a", "b", "c"] # Change the cache a little d["b"] d["a"] = 4 assert d.items() == [("a", 4), ("b", 2), ("c", 3)] assert d.keys() == ["a", "b", "c"] assert d.values() == [4, 2, 3] assert list(reversed(d)) == ["c", "b", "a"]
def test_items(self): """Test various items, keys, values and iterators of LRUCache.""" d = LRUCache(3) d["a"] = 1 d["b"] = 2 d["c"] = 3 assert d.items() == list(d.iteritems()) == [('c', 3), ('b', 2), ('a', 1)] assert d.keys() == list(d.iterkeys()) == ['c', 'b', 'a'] assert d.values() == list(d.itervalues()) == [3, 2, 1] assert list(reversed(d)) == ['a', 'b', 'c'] # Change the cache a little d["b"] d["a"] = 4 assert d.items() == list(d.iteritems()) == [('a', 4), ('b', 2), ('c', 3)] assert d.keys() == list(d.iterkeys()) == ['a', 'b', 'c'] assert d.values() == list(d.itervalues()) == [4, 2, 3] assert list(reversed(d)) == ['c', 'b', 'a']