Method test_read_byteslike

Lib/test/test_io.py:3831–3840

(self)

        self.assertEqual("ok", out.decode().strip())

    def test_read_byteslike(self):
        r = MemviewBytesIO(b'Just some random string\n')
        t = self.TextIOWrapper(r, 'utf-8')

        # TextIOwrapper will not read the full string, because
        # we truncate it to a multiple of the native int size
        # so that we can construct a more complex memoryview.
        bytes_val =  _to_memoryview(r.getvalue()).tobytes()

        self.assertEqual(t.read(200), bytes_val.decode('utf-8'))

    def test_issue22849(self):
        class F(object):