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authorSerhiy Storchaka <storchaka@gmail.com>2018-12-17 14:43:14 (GMT)
committerGitHub <noreply@github.com>2018-12-17 14:43:14 (GMT)
commite2af34fcf84b41189b54e1f2912faded5daabaca (patch)
tree14ddbfbc1b3ba0cac52df2889140f81adf98758c /Lib/test
parentfae95874b729dfe62a7a40625f8717aed20b0fca (diff)
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bpo-35504: Fix a SystemError when delete the characters_written attribute of an OSError. (GH-11172)
Diffstat (limited to 'Lib/test')
-rw-r--r--Lib/test/test_exception_hierarchy.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/test/test_exception_hierarchy.py b/Lib/test/test_exception_hierarchy.py
index 8649596..43b4af8 100644
--- a/Lib/test/test_exception_hierarchy.py
+++ b/Lib/test/test_exception_hierarchy.py
@@ -150,10 +150,15 @@ class AttributesTest(unittest.TestCase):
e = BlockingIOError(*args[:n])
with self.assertRaises(AttributeError):
e.characters_written
+ with self.assertRaises(AttributeError):
+ del e.characters_written
e = BlockingIOError("a", "b", 3)
self.assertEqual(e.characters_written, 3)
e.characters_written = 5
self.assertEqual(e.characters_written, 5)
+ del e.characters_written
+ with self.assertRaises(AttributeError):
+ e.characters_written
class ExplicitSubclassingTest(unittest.TestCase):