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| author | Serhiy Storchaka <storchaka@gmail.com> | 2015-04-20 06:26:49 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2015-04-20 06:26:49 (GMT) |
| commit | 2ef7c478444f453a04ae63ecc3d3de07915ad2b0 (patch) | |
| tree | b270c71c80ddff387458d526c8566b2c8f9e0672 /Lib/test | |
| parent | 16b2e4f5480bb46a025f9d3a917a923e7f7f59f1 (diff) | |
| download | cpython-2ef7c478444f453a04ae63ecc3d3de07915ad2b0.zip cpython-2ef7c478444f453a04ae63ecc3d3de07915ad2b0.tar.gz cpython-2ef7c478444f453a04ae63ecc3d3de07915ad2b0.tar.bz2 | |
Issue #23728: binascii.crc_hqx() could return an integer outside of the range
0-0xffff for empty data.
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_binascii.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_binascii.py b/Lib/test/test_binascii.py index 22d53af..50ad56e 100644 --- a/Lib/test/test_binascii.py +++ b/Lib/test/test_binascii.py @@ -136,6 +136,18 @@ class BinASCIITest(unittest.TestCase): # Issue #7701 (crash on a pydebug build) self.assertEqual(binascii.b2a_uu(b'x'), b'!> \n') + def test_crc_hqx(self): + crc = binascii.crc_hqx(self.type2test(b"Test the CRC-32 of"), 0) + crc = binascii.crc_hqx(self.type2test(b" this string."), crc) + self.assertEqual(crc, 14290) + + self.assertRaises(TypeError, binascii.crc_hqx) + self.assertRaises(TypeError, binascii.crc_hqx, self.type2test(b'')) + + for crc in 0, 1, 0x1234, 0x12345, 0x12345678, -1: + self.assertEqual(binascii.crc_hqx(self.type2test(b''), crc), + crc & 0xffff) + def test_crc32(self): crc = binascii.crc32(self.type2test(b"Test the CRC-32 of")) crc = binascii.crc32(self.type2test(b" this string."), crc) |