@Test
public void testRandom() {

  MathUtils.setRandomSeed(0);
  final LineSegment3 seg1 = new LineSegment3();
  final Vector3 store = seg1.random(null);
  assertEquals(new Vector3(0.0, 0.0, 0.23096778737665702), store);
  seg1.random(store);
  assertEquals(new Vector3(0.0, 0.0, -0.25946358432851413), store);
}