diff options
Diffstat (limited to 'Lib/test')
| -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 e4faa9f..9286467 100644 --- a/Lib/test/test_pep263.py +++ b/Lib/test/test_pep263.py @@ -30,6 +30,17 @@ class PEP263Test(unittest.TestCase): self.assertEqual(d['a'], d['b']) self.assertEqual(len(d['a']), len(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, '\xff\x20') + + # two bytes in common with the UTF-8 BOM + self.assertRaises(SyntaxError, eval, '\xef\xbb\x20') + def test_main(): test_support.run_unittest(PEP263Test) |