'Test the Frame.bytes property.'

def test_bytes(self):

    for i in range(1, 16):
        s = ((2 ** i) * x)
        m = zmq.Frame(s)
        b = m.bytes
        self.assertEqual(s, m.bytes)
        if (not PYPY):
            self.assert_((b is not s))
        self.assert_((b is m.bytes))
