public void mbr() { var a = new Ray2(new Point2(1, 1), new Vector2(1, 1)); var b = new Ray2(new Point2(1, 1), new Vector2(0, 1)); Assert.Equal(double.PositiveInfinity, a.GetMbr().YMax); Assert.Equal(double.PositiveInfinity, a.GetMbr().XMax); Assert.Equal(1, a.GetMbr().YMin); Assert.Equal(double.PositiveInfinity, b.GetMbr().YMax); Assert.Equal(1, b.GetMbr().XMax); Assert.Equal(1, b.GetMbr().YMin); }