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author | Steve Dower <steve.dower@microsoft.com> | 2017-02-04 15:05:40 -0800 |
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committer | Steve Dower <steve.dower@microsoft.com> | 2017-02-04 15:05:40 -0800 |
commit | b2fa705fd3887c326e811c418469c784353027f4 (patch) | |
tree | b3428f73de91453edbfd4df1a5d4a212d182eb44 /Lib/test/list_tests.py | |
parent | 134e58fd3aaa2e91390041e143f3f0a21a60142b (diff) | |
parent | b53654b6dbfce8318a7d4d1cdaddca7a7fec194b (diff) | |
download | cpython-b2fa705fd3887c326e811c418469c784353027f4.tar.gz |
Issue #29392: Prevent crash when passing invalid arguments into msvcrt module.
Diffstat (limited to 'Lib/test/list_tests.py')
-rw-r--r-- | Lib/test/list_tests.py | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/Lib/test/list_tests.py b/Lib/test/list_tests.py index f20fdc0a5f..26e93687f4 100644 --- a/Lib/test/list_tests.py +++ b/Lib/test/list_tests.py @@ -266,9 +266,21 @@ class CommonTest(seq_tests.CommonTest): self.assertEqual(a, list("spameggs")) self.assertRaises(TypeError, a.extend, None) - self.assertRaises(TypeError, a.extend) + # overflow test. issue1621 + class CustomIter: + def __iter__(self): + return self + def __next__(self): + raise StopIteration + def __length_hint__(self): + return sys.maxsize + a = self.type2test([1,2,3,4]) + a.extend(CustomIter()) + self.assertEqual(a, [1,2,3,4]) + + def test_insert(self): a = self.type2test([0, 1, 2]) a.insert(0, -2) |