@Test
public void testGetDistance() {

  final DLocation P0 = new DLocation(56.34f, 15.05f);
  final DLocation P1 = new DLocation(56.387f, 15.05f);
  final DLocation P2 = new DLocation(56.3445f, 15.05f);
  final DLocation P3 = new DLocation(56.34043f, 15.05f);
  final DLocation P4 = new DLocation(56.34001f, 15.05f);
  assertEquals(5232.0f, Geobox.distance(P0, P1), 0.2f);
}