public void distance_squared_point() { var s = new Segment2(new Point2(), new Point2(4, 2)); Assert.Equal(9, s.DistanceSquared(new Point2(-3, 0))); Assert.Equal(18, s.DistanceSquared(new Point2(7, 5))); Assert.Equal(5, s.DistanceSquared(new Point2(1, 3))); }