Closes #15469: Correct __sizeof__ support for deque

This commit is contained in:
Jesus Cea 2012-08-03 14:48:23 +02:00
parent 3e3192d8f7
commit d4e58dc966
3 changed files with 39 additions and 1 deletions

View file

@ -6,6 +6,7 @@ import weakref
import copy
import cPickle as pickle
import random
import struct
BIG = 100000
@ -517,6 +518,21 @@ class TestBasic(unittest.TestCase):
gc.collect()
self.assertTrue(ref() is None, "Cycle was not collected")
check_sizeof = test_support.check_sizeof
@test_support.cpython_only
def test_sizeof(self):
BLOCKLEN = 62
basesize = test_support.calcobjsize('2P4PlP')
blocksize = struct.calcsize('2P%dP' % BLOCKLEN)
self.assertEqual(object.__sizeof__(deque()), basesize)
check = self.check_sizeof
check(deque(), basesize + blocksize)
check(deque('a'), basesize + blocksize)
check(deque('a' * (BLOCKLEN // 2)), basesize + blocksize)
check(deque('a' * (BLOCKLEN // 2 + 1)), basesize + 2 * blocksize)
check(deque('a' * (42 * BLOCKLEN)), basesize + 43 * blocksize)
class TestVariousIteratorArgs(unittest.TestCase):
def test_constructor(self):