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[3.13] gh-101828: Fix jisx0213 codecs removing null characters (gh-139340) (gh-140112)

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* [3.13] gh-101828: Fix `jisx0213` codecs removing null characters (gh-139340)
(cherry picked from commit 87eadce3e0)

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>

* Accidentally removed line
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Stan Ulbrych 2025-10-14 15:48:29 +01:00 • committed by GitHub
parent 2f27098b42
commit c5ec267311
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4 changed files with 34 additions and 6 deletions
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17
Lib/test/multibytecodec_support.py
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@ -282,6 +282,23 @@ def test_incrementalencoder_del_segfault(self):
with self.assertRaises(AttributeError):
del e.errors
def test_null_terminator(self):
# see gh-101828
text = "フルーツ"
try:
text.encode(self.encoding)
except UnicodeEncodeError:
text = "Python is cool"
encode_w_null = (text + "\0").encode(self.encoding)
encode_plus_null = text.encode(self.encoding) + "\0".encode(self.encoding)
self.assertTrue(encode_w_null.endswith(b'\x00'))
self.assertEqual(encode_w_null, encode_plus_null)
encode_w_null_2 = (text + "\0" + text + "\0").encode(self.encoding)
encode_plus_null_2 = encode_plus_null + encode_plus_null
self.assertEqual(encode_w_null_2.count(b'\x00'), 2)
self.assertEqual(encode_w_null_2, encode_plus_null_2)
class TestBase_Mapping(unittest.TestCase):
pass_enctest = []