'Test the two forms of the UIDL command.  These are just like the two
forms of the LIST command.'

def testUIDL(self):

    p = self.pop3Server
    s = self.pop3Transport
    p.lineReceived('UIDL    1')
    self.assertEqual(s.getvalue(), '+OK    0\r\n')
    s.truncate(0)
    p.lineReceived('UIDL')
    self._flush()
    self.assertEqual(s.getvalue(), '+OK    \r\n1    0\r\n.\r\n')
