@Test
public void testBresenhamLineRightDown()
{

    BresenhamLine.calcPoints(3, 1, 0, 3, emitter);
    // 3,1, 2,1, 1,1, 1,2, 0,2, 0,3
    assertEquals(Helper.createPointList(3, 1, 2, 2, 1, 2, 0, 3), points);
}