public void Test1()
        {
            List <int> r = new List <int> {
                3, 2, 1, 1
            };

            Assert.AreEqual(r, RectangleIntoSquares.sqInRect(5, 3));
        }
 public void Test3()
 {
     Assert.AreEqual(null, RectangleIntoSquares.sqInRect(5, 5));
 }