test_codecs.py 文件源码

def test_decode_errors(self):
        decode = codecs.raw_unicode_escape_decode
        for c, d in ('u', 4), ('U', 4):
            for i in range(d):
                self.assertRaises(UnicodeDecodeError, decode,
                                  "\\" + c + "0"*i)
                self.assertRaises(UnicodeDecodeError, decode,
                                  "[\\" + c + "0"*i + "]")
                data = "[\\" + c + "0"*i + "]\\" + c + "0"*i
                self.assertEqual(decode(data, "ignore"), (u"[]", len(data)))
                self.assertEqual(decode(data, "replace"),
                                 (u"[\ufffd]\ufffd", len(data)))
        self.assertRaises(UnicodeDecodeError, decode, r"\U00110000")
        self.assertEqual(decode(r"\U00110000", "ignore"), (u"", 10))
        self.assertEqual(decode(r"\U00110000", "replace"), (u"\ufffd", 10))