'If no C{message} argument is passed to the L{PageRedirect} constructor
and C{location} is also empty and the C{code} argument is a valid HTTP
status code, C{code} is mapped to a descriptive string to which
C{message} is assigned without trying to include an empty location.'

def test_noMessageValidStatusNoLocation(self):

    e = error.PageRedirect('200')
    self.assertEqual(e.message, 'OK')
