def test_sanity(self):
c = Coords(1,1)
d = Direction('n')
for x in range(4):
c = c.get_offset(d, 5)
d.turn_left()
self.assertEqual(c, Coords(1,1))
for x in range(4):
c = c.get_offset(d, -1)
d.turn_right()
self.assertEqual(c, Coords(1,1))
def test_get_offset(self):
c = Coords(10,1)
self.assertEqual(Coords(2,1), c.get_offset(Direction('w'), 8))
self.assertEqual(Coords(13,1), c.get_offset(Direction('e'), 3))
self.assertEqual(Coords(10,-1), c.get_offset(Direction('n'), 2))
self.assertEqual(Coords(10,2), c.get_offset(Direction('s')))