public void Border_CornerRadiusTest()
        {
            BorderStyle target = new BorderStyle();

            Assert.AreEqual(PDFUnit.Zero, target.CornerRadius);

            PDFUnit expected = 10;

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

            expected            = 20;
            target.CornerRadius = expected;
            Assert.AreEqual(expected, target.CornerRadius);

            target.RemoveCornerRadius();
            Assert.AreEqual(PDFUnit.Zero, target.CornerRadius);
        }