test_codecs.py 文件源码

def test_surrogatepass_handler(self):
        self.assertEqual("abc\ud800def".encode("utf-8", "surrogatepass"),
                         b"abc\xed\xa0\x80def")
        self.assertEqual(b"abc\xed\xa0\x80def".decode("utf-8", "surrogatepass"),
                         "abc\ud800def")
        self.assertEqual("\U00010fff\uD800".encode("utf-8", "surrogatepass"),
                         b"\xf0\x90\xbf\xbf\xed\xa0\x80")
        self.assertEqual(b"\xf0\x90\xbf\xbf\xed\xa0\x80".decode("utf-8", "surrogatepass"),
                         "\U00010fff\uD800")
        self.assertTrue(codecs.lookup_error("surrogatepass"))
        with self.assertRaises(UnicodeDecodeError):
            b"abc\xed\xa0".decode("utf-8", "surrogatepass")
        with self.assertRaises(UnicodeDecodeError):
            b"abc\xed\xa0z".decode("utf-8", "surrogatepass")