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| author | Oren Milman <orenmn@gmail.com> | 2018-02-13 12:28:33 +0200 |
|---|---|---|
| committer | INADA Naoki <methane@users.noreply.github.com> | 2018-02-13 19:28:33 +0900 |
| commit | d019bc8319ea35e93bf4baa38098ff1b57cd3ee5 (patch) | |
| tree | d9b927eba02059f8be8465d35b6969254b172b8e /Lib/test/test_hashlib.py | |
| parent | aec7532ed3ccbd29d3429a3f375e25f956c44003 (diff) | |
| download | cpython-d019bc8319ea35e93bf4baa38098ff1b57cd3ee5.tar.gz cpython-d019bc8319ea35e93bf4baa38098ff1b57cd3ee5.zip | |
bpo-31787: Prevent refleaks when calling __init__() more than once (GH-3995)
Diffstat (limited to 'Lib/test/test_hashlib.py')
| -rw-r--r-- | Lib/test/test_hashlib.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_hashlib.py b/Lib/test/test_hashlib.py index 751f74813d3..f7df872793c 100644 --- a/Lib/test/test_hashlib.py +++ b/Lib/test/test_hashlib.py @@ -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: |