test_codecs.py 文件源码

def test_errors(self):
        tests = [
            (b'\xff', u'\ufffd'),
            (b'\x00A\xff', u'A\ufffd'),
            (b'\x00A\x00B\x00C\x00DZ', u'ABCD\ufffd'),
            (b'\xd8\x00', u'\ufffd'),
            (b'\xd8\x00\xdc', u'\ufffd'),
            (b'\xd8\x00\x00A', u'\ufffdA'),
            (b'\xdc\x00\x00A', u'\ufffdA'),
        ]
        for raw, expected in tests:
            try:
                with self.assertRaises(UnicodeDecodeError):
                    codecs.utf_16_be_decode(raw, 'strict', True)
                self.assertEqual(raw.decode('utf-16be', 'replace'), expected)
            except:
                print 'raw=%r' % raw
                raise