@Test
public void testTranslate() {

  final Transform trans = new Transform();
  trans.translate(1, 3, 5);
  assertEquals(new Vector3(1, 3, 5), trans.getTranslation());
  trans.translate(trans.getTranslation().negate(null));
  assertEquals(Vector3.ZERO, trans.getTranslation());
  trans.translate(new Vector3(1, 3, 5));
  assertEquals(new Vector3(1, 3, 5), trans.getTranslation());
  trans.translate(-1, -3, -5);
  assertEquals(Vector3.ZERO, trans.getTranslation());
}