public void distance_point() { var s = new Segment2(Point2.Zero, new Point2(4, 2)); Assert.Equal(3, s.Distance(new Point2(-3, 0))); Assert.Equal(Math.Sqrt(18), s.Distance(new Point2(7, 5))); Assert.Equal(Math.Sqrt(5), s.Distance(new Point2(1, 3))); }