Method test_copy

Lib/test/test_codecs.py:3699–3708

(self)

        self.assertEqual(sr.readline(), b'789\n')

    def test_copy(self):
        bio = io.BytesIO()
        codec = codecs.lookup('ascii')
        sr = codecs.StreamRecoder(bio, codec.encode, codec.decode,
                                  encodings.ascii.StreamReader, encodings.ascii.StreamWriter)

        with self.assertRaisesRegex(TypeError, 'StreamRecoder'):
            copy.copy(sr)
        with self.assertRaisesRegex(TypeError, 'StreamRecoder'):
            copy.deepcopy(sr)

    def test_pickle(self):
        q = Queue(b'')