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Merged revisions 78603 via svnmerge from

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  r78603 | victor.stinner | 2010-03-03 00:20:02 +0100 (mer., 03 mars 2010) | 5 lines

  Issue #7820: The parser tokenizer restores all bytes in the right if the BOM
  check fails.

  Fix an assertion in pydebug mode.
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This commit is contained in:
Victor Stinner 2010-03-03 00:18:49 +00:00
parent 683a7e7c18
commit 6aa278ee53
3 changed files with 42 additions and 23 deletions
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11
Lib/test/test_pep263.py
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@ -44,6 +44,17 @@ class PEP263Test(unittest.TestCase):
self.assertEqual(len(d['a']), len(d['b']))
self.assertEqual(ascii(d['a']), ascii(d['b']))
def test_issue7820(self):
# Ensure that check_bom() restores all bytes in the right order if
# check_bom() fails in pydebug mode: a buffer starts with the first
# byte of a valid BOM, but next bytes are different
# one byte in common with the UTF-16-LE BOM
self.assertRaises(SyntaxError, eval, b'\xff\x20')
# two bytes in common with the UTF-8 BOM
self.assertRaises(SyntaxError, eval, b'\xef\xbb\x20')
def test_main():
support.run_unittest(PEP263Test)