diff options
Diffstat (limited to 'Lib/test/test_codecs.py')
| -rw-r--r-- | Lib/test/test_codecs.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Lib/test/test_codecs.py b/Lib/test/test_codecs.py index 5db5dcb..5ee2d9f 100644 --- a/Lib/test/test_codecs.py +++ b/Lib/test/test_codecs.py @@ -354,6 +354,16 @@ class UTF32Test(ReadTest): self.check_state_handling_decode(self.encoding, "spamspam", self.spambe) + def test_issue8941(self): + # Issue #8941: insufficient result allocation when decoding into + # surrogate pairs on UCS-2 builds. + encoded_le = b'\xff\xfe\x00\x00' + b'\x00\x00\x01\x00' * 1024 + self.assertEqual('\U00010000' * 1024, + codecs.utf_32_decode(encoded_le)[0]) + encoded_be = b'\x00\x00\xfe\xff' + b'\x00\x01\x00\x00' * 1024 + self.assertEqual('\U00010000' * 1024, + codecs.utf_32_decode(encoded_be)[0]) + class UTF32LETest(ReadTest): encoding = "utf-32-le" @@ -387,6 +397,13 @@ class UTF32LETest(ReadTest): self.assertRaises(UnicodeDecodeError, codecs.utf_32_le_decode, b"\xff", "strict", True) + def test_issue8941(self): + # Issue #8941: insufficient result allocation when decoding into + # surrogate pairs on UCS-2 builds. + encoded = b'\x00\x00\x01\x00' * 1024 + self.assertEqual('\U00010000' * 1024, + codecs.utf_32_le_decode(encoded)[0]) + class UTF32BETest(ReadTest): encoding = "utf-32-be" @@ -420,6 +437,14 @@ class UTF32BETest(ReadTest): self.assertRaises(UnicodeDecodeError, codecs.utf_32_be_decode, b"\xff", "strict", True) + def test_issue8941(self): + # Issue #8941: insufficient result allocation when decoding into + # surrogate pairs on UCS-2 builds. + encoded = b'\x00\x01\x00\x00' * 1024 + self.assertEqual('\U00010000' * 1024, + codecs.utf_32_be_decode(encoded)[0]) + + class UTF16Test(ReadTest): encoding = "utf-16" |