diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_io.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py index 3189f9c..5fc53ea 100644 --- a/Lib/test/test_io.py +++ b/Lib/test/test_io.py @@ -1915,6 +1915,19 @@ class IncrementalNewlineDecoderTest(unittest.TestCase): decoder = self.IncrementalNewlineDecoder(decoder, translate=True) self.check_newline_decoding_utf8(decoder) + def test_newline_bytes(self): + # Issue 5433: Excessive optimization in IncrementalNewlineDecoder + def _check(dec): + self.assertEquals(dec.newlines, None) + self.assertEquals(dec.decode("\u0D00"), "\u0D00") + self.assertEquals(dec.newlines, None) + self.assertEquals(dec.decode("\u0A00"), "\u0A00") + self.assertEquals(dec.newlines, None) + dec = self.IncrementalNewlineDecoder(None, translate=False) + _check(dec) + dec = self.IncrementalNewlineDecoder(None, translate=True) + _check(dec) + class CIncrementalNewlineDecoderTest(IncrementalNewlineDecoderTest): pass |