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bpo-31787: Prevent refleaks when calling __init__() more than once (GH-3995)

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Oren Milman 2018-02-13 12:28:33 +02:00 • committed by INADA Naoki
parent aec7532ed3
commit d019bc8319
13 changed files with 105 additions and 19 deletions
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9
Lib/test/test_hashlib.py
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@ -162,6 +162,15 @@ class HashLibTestCase(unittest.TestCase):
constructors = self.constructors_to_test.values()
return itertools.chain.from_iterable(constructors)
@support.refcount_test
def test_refleaks_in_hash___init__(self):
gettotalrefcount = support.get_attribute(sys, 'gettotalrefcount')
sha1_hash = c_hashlib.new('sha1')
refs_before = gettotalrefcount()
for i in range(100):
sha1_hash.__init__('sha1')
self.assertAlmostEqual(gettotalrefcount() - refs_before, 0, delta=10)
def test_hash_array(self):
a = array.array("b", range(10))
for cons in self.hash_constructors: