RectangleIntersection_Tests.cs

using Advanced.Algorithms.Geometry;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace Advanced.Algorithms.Tests.Geometry
{
    [TestClass]
    public class RectangleIntersectionTests
    {
        [TestMethod]
        public void RectIntersection_Smoke_Test()
        {
            var rectangleComparer = new RectangleComparer();

            var result = RectangleIntersection.FindIntersection(new Rectangle
                {
                    LeftTop = new Point(0, 10),
                    RightBottom = new Point(10, 0)
                },
                new Rectangle
                {
                    LeftTop = new Point(5, 5),
                    RightBottom = new Point(15, 0)
                });

            Assert.IsTrue(rectangleComparer.Equals(result, new Rectangle
            {
                LeftTop = new Point(5, 5),
                RightBottom = new Point(10, 0)
            }));

            result = RectangleIntersection.FindIntersection(new Rectangle
                {
                    LeftTop = new Point(0, 10),
                    RightBottom = new Point(4, 0)
                },
                new Rectangle
                {
                    LeftTop = new Point(5, 5),
                    RightBottom = new Point(15, 0)
                });

            Assert.IsTrue(rectangleComparer.Equals(result, null));
        }
    }
}