public void CompareTo_uses_Height()
        {
            int expected = -1;
            int width    = 119;

            CropSize left  = new CropSize(width, 0);
            CropSize right = new CropSize(width, 1);

            Assert.AreEqual(expected, left.CompareTo(right));
        }
        public void CompareTo_uses_Width()
        {
            int expected = -1;
            int height   = 104;

            CropSize left  = new CropSize(0, height);
            CropSize right = new CropSize(1, height);

            Assert.AreEqual(expected, left.CompareTo(right));
        }
        public void Two_CropSize_CompareTo()
        {
            int expected = 0;
            int width    = 119;
            int height   = 104;

            CropSize left  = new CropSize(width, height);
            CropSize right = new CropSize(width, height);

            Assert.AreEqual(expected, left.CompareTo(right));
        }