@Test
 public void testGetDistance() throws StrategyException {
   assertEquals(board.getDistance(new Position(0, 0), new Position(0, 0)), 0);
   assertEquals(board.getDistance(new Position(0, 0), new Position(0, 1)), 1);
   assertEquals(board.getDistance(new Position(0, 0), new Position(1, 0)), 1);
   assertEquals(board.getDistance(new Position(0, 1), new Position(0, 0)), 1);
   assertEquals(board.getDistance(new Position(1, 0), new Position(0, 0)), 1);
   assertEquals(board.getDistance(new Position(2, 2), new Position(4, 2)), 2);
 }