'When L{amp.BinaryBoxProtocol} is connected to a transport, it calls
C{startReceivingBoxes} on its L{IBoxReceiver} with itself as the
L{IBoxSender} parameter.'

def test_startReceivingBoxes(self):

    protocol = amp.BinaryBoxProtocol(self)
    protocol.makeConnection(None)
    self.assertIs(self._boxSender, protocol)
