Merge from 3.5.

This commit is contained in:
Serhiy Storchaka 2016-10-30 17:25:45 +02:00
commit b7d14a09c2
3 changed files with 22 additions and 69 deletions

View file

@ -775,64 +775,5 @@ class CPythonSubclassMappingTests(mapping_tests.BasicTestMappingProtocol):
self.assertRaises(KeyError, d.popitem)
class SimpleLRUCache:
def __init__(self, size):
super().__init__()
self.size = size
def __getitem__(self, item):
value = super().__getitem__(item)
self.move_to_end(item)
return value
def __setitem__(self, key, value):
while key not in self and len(self) >= self.size:
self.popitem(last=False)
super().__setitem__(key, value)
self.move_to_end(key)
class SimpleLRUCacheTests:
def test_add_after_full(self):
c = self.type2test(2)
c['t1'] = 1
c['t2'] = 2
c['t3'] = 3
self.assertEqual(list(c), ['t2', 't3'])
def test_popitem(self):
c = self.type2test(3)
for i in range(1, 4):
c[i] = i
self.assertEqual(c.popitem(last=False), (1, 1))
self.assertEqual(c.popitem(last=True), (3, 3))
def test_change_order_on_get(self):
c = self.type2test(3)
for i in range(1, 4):
c[i] = i
self.assertEqual(list(c), list(range(1, 4)))
self.assertEqual(c[2], 2)
self.assertEqual(list(c), [1, 3, 2])
class PySimpleLRUCacheTests(SimpleLRUCacheTests, unittest.TestCase):
class type2test(SimpleLRUCache, py_coll.OrderedDict):
pass
@unittest.skipUnless(c_coll, 'requires the C version of the collections module')
class CSimpleLRUCacheTests(SimpleLRUCacheTests, unittest.TestCase):
@classmethod
def setUpClass(cls):
class type2test(SimpleLRUCache, c_coll.OrderedDict):
pass
cls.type2test = type2test
if __name__ == "__main__":
unittest.main()