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gh-127903: Fix a crash on debug builds when calling Objects/unicodeobject::_copy_characters` (#127876)

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Alexander Shadchin 2025-01-03 21:47:58 +03:00 • committed by GitHub
parent 4c14f03495
commit 46cb6340d7
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3 changed files with 15 additions and 3 deletions
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7
Lib/test/test_str.py
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@ -7,6 +7,7 @@ Written by Marc-Andre Lemburg (mal@lemburg.com).
"""
import _string
import codecs
import datetime
import itertools
import operator
import pickle
@ -1908,6 +1909,12 @@ class StrTest(string_tests.StringLikeTest,
self.assertRaises(UnicodeDecodeError,
(b'\xF4'+cb+b'\xBF\xBF').decode, 'utf-8')
def test_issue127903(self):
# gh-127903: ``_copy_characters`` crashes on DEBUG builds when
# there is nothing to copy.
d = datetime.datetime(2013, 11, 10, 14, 20, 59)
self.assertEqual(d.strftime('%z'), '')
def test_issue8271(self):
# Issue #8271: during the decoding of an invalid UTF-8 byte sequence,
# only the start byte and the continuation byte(s) are now considered