public void testNormalIntersection()
{
Point p1 = new Point(0, 100);
Point p2 = new Point(100, 0);
Point p3 = new Point(0, 0);
Point p4 = new Point(100, 100);
Point p5 = new Point(50, 50);
CustomLine l1 = new CustomLine(p1, p2);
CustomLine l2 = new CustomLine(p3, p4);
Point? intersectionPoint = CustomLine.getIntersectionCoordinates(l1, l2);
Assert.IsTrue(intersectionPoint.HasValue);
Assert.AreEqual(p5.X, intersectionPoint.Value.X);
Assert.AreEqual(p5.Y, intersectionPoint.Value.Y);
}
public void testOneVerticalIntersection()
{
// horizontal line
Point p1 = new Point(0, 100);
Point p2 = new Point(10, 100);
// vertical lines
Point p3 = new Point(5, 0);
Point p4 = new Point(5, 100);
CustomLine l1 = new CustomLine(p1, p2);
CustomLine l2 = new CustomLine(p3, p4);
Point? intersectionPoint = CustomLine.getIntersectionCoordinates(l1, l2);
Assert.IsTrue(intersectionPoint.HasValue);
Assert.AreEqual(p3.X, intersectionPoint.Value.X);
Assert.AreEqual(p1.Y, intersectionPoint.Value.Y);
}
