test_codecs.py 文件源码

def test_encode_length(self):
        with support.check_warnings(('unicode_internal codec has been '
                                     'deprecated', DeprecationWarning)):
            # Issue 3739
            encoder = codecs.getencoder("unicode_internal")
            self.assertEqual(encoder("a")[1], 1)
            self.assertEqual(encoder("\xe9\u0142")[1], 2)

            self.assertEqual(codecs.escape_encode(br'\x00')[1], 4)

# From http://www.gnu.org/software/libidn/draft-josefsson-idn-test-vectors.html