public void InRange() { var pos1 = new Position(0, 0); var pos2 = new Position(0, 500); var pos4 = new Position(500, 500); var pos5 = new Position(-500, -500); Assert.Equal(true, pos1.InRange(pos2, 500)); Assert.Equal(false, pos1.InRange(pos2, 499)); Assert.Equal(true, pos4.InRange(pos5, 1415)); Assert.Equal(false, pos4.InRange(pos5, 1413)); }