public void TestGetSetAlignement()
        {
            Assert.IsTrue(!cellStyle.GetCellAlignment().GetCTCellAlignment().horizontalSpecified);
            Assert.AreEqual(HorizontalAlignment.General, cellStyle.Alignment);

            cellStyle.Alignment = HorizontalAlignment.Left;
            Assert.AreEqual(HorizontalAlignment.Left, cellStyle.Alignment);
            Assert.AreEqual(ST_HorizontalAlignment.left, cellStyle.GetCellAlignment().GetCTCellAlignment().horizontal);

            cellStyle.Alignment = (HorizontalAlignment.Justify);
            Assert.AreEqual(HorizontalAlignment.Justify, cellStyle.Alignment);
            Assert.AreEqual(ST_HorizontalAlignment.justify, cellStyle.GetCellAlignment().GetCTCellAlignment().horizontal);

            cellStyle.Alignment = (HorizontalAlignment.Center);
            Assert.AreEqual(HorizontalAlignment.Center, cellStyle.Alignment);
            Assert.AreEqual(ST_HorizontalAlignment.center, cellStyle.GetCellAlignment().GetCTCellAlignment().horizontal);
        }