diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_capi.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Lib/test/test_capi.py b/Lib/test/test_capi.py index 49297f4..a732f4f 100644 --- a/Lib/test/test_capi.py +++ b/Lib/test/test_capi.py @@ -315,6 +315,23 @@ class CAPITest(unittest.TestCase): self.assertRaises(TypeError, _testcapi.get_mapping_values, bad_mapping) self.assertRaises(TypeError, _testcapi.get_mapping_items, bad_mapping) + @unittest.skipUnless(hasattr(_testcapi, 'negative_refcount'), + 'need _testcapi.negative_refcount') + def test_negative_refcount(self): + # bpo-35059: Check that Py_DECREF() reports the correct filename + # when calling _Py_NegativeRefcount() to abort Python. + code = textwrap.dedent(""" + import _testcapi + from test import support + + with support.SuppressCrashReport(): + _testcapi.negative_refcount() + """) + rc, out, err = assert_python_failure('-c', code) + self.assertRegex(err, + br'_testcapimodule\.c:[0-9]+ object at .* ' + br'has negative ref count', err) + class TestPendingCalls(unittest.TestCase): |