def test_move_positive(self):
p = WorldPoint(self.world)
p.move(15, 14)
assert_equal(p.get_x(), 5)
assert_equal(p.get_y(), 4)
def test_move_negative(self):
p = WorldPoint(self.world)
p.move(-3, -16)
assert_equal(p.get_x(), 7)
assert_equal(p.get_y(), 4)
def test_init(self):
p = WorldPoint(self.world)
assert_equal(p.get_x(), 0)
assert_equal(p.get_y(), 0)
