Class D

Lib/test/test_codeccallbacks.py:980–982

        self.assertEqual(b"\\uyyyy0".decode("raw-unicode-escape", "test.posreturn"), "<?>0")

        class D(dict):
            def __getitem__(self, key):
                raise ValueError
        self.assertRaises(UnicodeError, codecs.charmap_decode, b"\xff", "strict", {0xff: None})
        self.assertRaises(ValueError, codecs.charmap_decode, b"\xff", "strict", D())
        self.assertRaises(TypeError, codecs.charmap_decode, b"\xff", "strict", {0xff: sys.maxunicode+1})