@Test
 public void testMove() {
   System.out.println("Move");
   BoundingBox instance = new BoundingBox();
   instance.move(1, 1);
   Vector2 center = instance.getCenter();
   assertEquals(1.5, center.getX(), 0.0);
   assertEquals(1.5, center.getY(), 0.0);
 }
 @Test
 public void testGetCenter() {
   System.out.println("getCenter");
   BoundingBox instance = new BoundingBox();
   Vector2 expected = new Vector2(0.5, 0.5);
   Vector2 center = instance.getCenter();
   assertEquals(expected.getX(), center.getX(), 0.0);
   assertEquals(expected.getY(), center.getY(), 0.0);
 }
 /** Test of isColliding method, of class BoundingBox. */
 @Test
 public void testIsColliding_BoundingBox() {
   System.out.println("isColliding");
   BoundingBox instance = new BoundingBox(new Vector2(1.5, 1.5), 3, 3);
   BoundingBox otherBox = new BoundingBox();
   boolean expResult = true;
   boolean result = instance.isColliding(otherBox);
   assertEquals(expResult, result);
 }
 /** Test of isColliding method, of class BoundingBox. */
 @Test
 public void testIsColliding_Point() {
   System.out.println("isColliding");
   Vector2 p = new Vector2();
   BoundingBox instance = new BoundingBox();
   boolean expResult = true;
   boolean result = instance.isColliding(p);
   assertEquals(expResult, result);
 }
  @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);
  }
  @Test
  public void testRotate() {
    System.out.println("Rotate");
    BoundingBox instance = new BoundingBox();
    instance.rotate(Math.PI / 2.0, Axis.Y);
    Vector2 vertices[] = new Vector2[4];
    Vector2 expected[] = new Vector2[4];
    expected[0] = new Vector2(0, 0);
    expected[1] = new Vector2(0, 1);
    expected[2] = new Vector2(1, 0);
    expected[3] = new Vector2(1, 1);

    for (int i = 0; i < 4; i++) {
      assertEquals(expected[i].getX(), vertices[i].getX(), 0.0);
      assertEquals(expected[i].getY(), vertices[i].getY(), 0.0);
    }
  }