diff options
| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2020-02-09 08:39:28 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-02-09 08:39:28 (GMT) |
| commit | dc56f5f48866bf3c5412642bba00890d9a090cfb (patch) | |
| tree | 83fc2ed841921df70c8bb38d9951f93aa537261d /Lib/test | |
| parent | 0c915e620d049558bacc78cf25c1560f55d1fb82 (diff) | |
| download | cpython-dc56f5f48866bf3c5412642bba00890d9a090cfb.zip cpython-dc56f5f48866bf3c5412642bba00890d9a090cfb.tar.gz cpython-dc56f5f48866bf3c5412642bba00890d9a090cfb.tar.bz2 | |
bpo-39590: make deque.__contains__ and deque.count hold strong references (GH-18421) (GH-18423)
(cherry picked from commit c6dedde160a9fce5d049e860f586ad8f93aec822)
Co-authored-by: sweeneyde <36520290+sweeneyde@users.noreply.github.com>
Co-authored-by: sweeneyde <36520290+sweeneyde@users.noreply.github.com>
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_deque.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_deque.py b/Lib/test/test_deque.py index 51b66b7..c0f7138 100644 --- a/Lib/test/test_deque.py +++ b/Lib/test/test_deque.py @@ -183,6 +183,18 @@ class TestBasic(unittest.TestCase): with self.assertRaises(RuntimeError): n in d + def test_contains_count_stop_crashes(self): + class A: + def __eq__(self, other): + d.clear() + return NotImplemented + d = deque([A(), A()]) + with self.assertRaises(RuntimeError): + _ = 3 in d + d = deque([A(), A()]) + with self.assertRaises(RuntimeError): + _ = d.count(3) + def test_extend(self): d = deque('a') self.assertRaises(TypeError, d.extend, 1) |