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Diffstat (limited to 'Lib/test/test_pep263.py')
| -rw-r--r-- | Lib/test/test_pep263.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_pep263.py b/Lib/test/test_pep263.py index 8c1fbe7..e136a9c 100644 --- a/Lib/test/test_pep263.py +++ b/Lib/test/test_pep263.py @@ -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) |