public void Border_SidesTest()
        {
            Sides       all    = Sides.Bottom | Sides.Left | Sides.Right | Sides.Top;
            BorderStyle target = new BorderStyle();

            Assert.AreEqual(all, target.Sides);

            Sides expected = Sides.Bottom;

            target.Sides = expected;
            Assert.AreEqual(expected, target.Sides);

            expected     = Sides.Left | Sides.Right;
            target.Sides = expected;
            Assert.AreEqual(expected, target.Sides);

            target.RemoveSides();
            Assert.AreEqual(all, target.Sides);
        }