def test_itervalues(self):
cache = LRUCache(3)
cache["b"] = 1
cache["a"] = 2
values = [v for v in cache.values()]
assert len(values) == 2
assert 1 in values
assert 2 in values
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']
def test_values_empty(self):
cache = LRUCache(2)
assert cache.values() == []
def test_values(self):
cache = LRUCache(3)
cache["b"] = 1
cache["a"] = 2
assert cache.values() == [2, 1]
def test_itervalues_empty(self):
cache = LRUCache(2)
values = [v for v in cache.values()]
assert len(values) == 0
