def test_new_pos(self):
self.assertEqual(new_pos((1, 1), north), (1, 0))
self.assertEqual(new_pos((1, 1), south), (1, 2))
self.assertEqual(new_pos((1, 1), east), (2, 1))
self.assertEqual(new_pos((1, 1), west), (0, 1))
self.assertEqual(new_pos((1, 1), stop), (1, 1))
self.assertEqual(new_pos((0, 0), (1, 1)), (1, 1))
def test_new_pos(self):
self.assertEqual(new_pos((1, 1), north), (1, 0))
self.assertEqual(new_pos((1, 1), south), (1, 2))
self.assertEqual(new_pos((1, 1), east), (2, 1))
self.assertEqual(new_pos((1, 1), west), (0, 1))
self.assertEqual(new_pos((1, 1), stop), (1, 1))
self.assertEqual(new_pos((0, 0), (1, 1)), (1, 1))
def test_diff_pos_arbitrary(self):
vectors = [(0, 0), (0, 1), (-1, 1), (-2, 3)]
orig = (1, 1)
for vec in vectors:
new = new_pos(orig, vec)
self.assertEqual(vec, diff_pos(orig, new))
def test_diff_pos_arbitrary(self):
vectors = [(0, 0), (0, 1), (-1, 1), (-2, 3)]
orig = (1, 1)
for vec in vectors:
new = new_pos(orig, vec)
self.assertEqual(vec, diff_pos(orig, new))
