def test_sequence_ok_two(self):
c = char('c')
ccc = sequence(c, c, c)
stream = Stream('cccc')
out, stream = ccc(stream)
self.assertEqual(out, list('ccc'))
self.assertEqual(stream.position, 3)
def test_sequence_fails_two(self):
c = char('c')
ccc = sequence(c, c, c)
stream = Stream('ccx')
with self.assertRaises(ParseFailure):
ccc(stream)
