def test_center(self):
""" Getting the center position of a given rect """
r = Rect(0, 0, 10, 10)
self.assertEqual((5, 5), r.center())
r = Rect(0, 0, 5, 10)
self.assertEqual((2, 5), r.center())
r = Rect(0, 0, 10, 5)
self.assertEqual((5, 2), r.center())
r = Rect(0, 0, 1, 1)
self.assertEqual((0, 0), r.center())
