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| author | Serhiy Storchaka <storchaka@gmail.com> | 2017-09-11 10:01:31 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-09-11 10:01:31 +0300 |
| commit | 004547f97067be2e23ae770f300c0c0d1db1ba27 (patch) | |
| tree | f61e4c139de7fe44d7458193edb08c93ac2c99f6 /Lib/test/test_warnings.py | |
| parent | 6ed7aff8948e50708f048f3f7fd41809259d1777 (diff) | |
| download | cpython-git-004547f97067be2e23ae770f300c0c0d1db1ba27.tar.gz | |
[2.7] bpo-31411: Prevent raising a SystemError in case warnings.onceregistry is not a dictionary. (GH-3485). (#3493)
(cherry picked from commit 252033d50effa08046ac34fcc406bc99796ab88b)
Diffstat (limited to 'Lib/test/test_warnings.py')
| -rw-r--r-- | Lib/test/test_warnings.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_warnings.py b/Lib/test/test_warnings.py index 607d9f9b72..0023363832 100644 --- a/Lib/test/test_warnings.py +++ b/Lib/test/test_warnings.py @@ -584,6 +584,17 @@ class _WarningsTests(BaseTest): self.assertNotIn(b'Warning!', stderr) self.assertNotIn(b'Error', stderr) + @test_support.cpython_only + def test_issue31411(self): + # warn_explicit() shouldn't raise a SystemError in case + # warnings.onceregistry isn't a dictionary. + wmod = self.module + with original_warnings.catch_warnings(module=wmod): + wmod.filterwarnings('once') + with test_support.swap_attr(wmod, 'onceregistry', None): + with self.assertRaises(TypeError): + wmod.warn_explicit('foo', Warning, 'bar', 1, registry=None) + class WarningsDisplayTests(unittest.TestCase): |