public void RectangleHotSpot_GetCoordinates()
        {
            RectangleHotSpot rect = new RectangleHotSpot();

            rect.Bottom = 10;
            rect.Top    = 20;
            rect.Left   = 30;
            rect.Right  = 50;
            Assert.AreEqual(10, rect.Bottom, "BeforeGetCoordinates-Bottom");
            Assert.AreEqual(20, rect.Top, "BeforeGetCoordinates-Top");
            Assert.AreEqual(30, rect.Left, "BeforeGetCoordinates-Left");
            Assert.AreEqual(50, rect.Right, "BeforeGetCoordinates-Right");
            Assert.AreEqual("30,20,50,10", rect.GetCoordinates(), "AfterGetCoordinates");
        }