'L{twisted.words.protocols.irc.split} raises C{ValueError} if given a
length less than or equal to C{0} and returns C{[]} when splitting
C{\'\'}.'

def test_splitSanity(self):

    self.assertRaises(ValueError, irc.split, 'foo', (-1))
    self.assertRaises(ValueError, irc.split, 'foo', 0)
    self.assertEqual([], irc.split('', 1))
    self.assertEqual([], irc.split(''))
