'If an L{xmlrpclib.DateTime} is passed as an argument to an XML-RPC
call and then returned by the server unmodified, the result should
be equal to the original object.'

def test_datetimeRoundtrip(self):

    when = xmlrpclib.DateTime()
    d = self.proxy().callRemote('echo', when)
    d.addCallback(self.assertEqual, when)
    return d
