@Test public void testScale() { System.out.println("Scale"); BoundingBox instance = new BoundingBox(new Vector2(-0.5, -0.5), 1, 1); System.out.println(instance.getCenter().getX()); System.out.println(instance.getCenter().getY()); instance.scale(2, 2); Vector2 center = instance.getCenter(); assertEquals(0.0, center.getX(), 0.0); assertEquals(0.0, center.getY(), 0.0); }