public void TestGetSetTopBorderColor()
{
//defaults
Assert.AreEqual(IndexedColors.Black.Index, cellStyle.TopBorderColor);
Assert.IsNull(cellStyle.GetTopBorderXSSFColor());
int num = stylesTable.GetBorders().Count;
XSSFColor clr;
//setting indexed color
cellStyle.TopBorderColor = (IndexedColors.BlueGrey.Index);
Assert.AreEqual(IndexedColors.BlueGrey.Index, cellStyle.TopBorderColor);
clr = cellStyle.GetTopBorderXSSFColor();
Assert.IsTrue(clr.GetCTColor().IsSetIndexed());
Assert.AreEqual(IndexedColors.BlueGrey.Index, clr.Indexed);
//a new border was added to the styles table
Assert.AreEqual(num + 1, stylesTable.GetBorders().Count);
//id of the Created border
int borderId = (int)cellStyle.GetCoreXf().borderId;
Assert.IsTrue(borderId > 0);
//check Changes in the underlying xml bean
CT_Border ctBorder = stylesTable.GetBorderAt(borderId).GetCTBorder();
Assert.AreEqual((uint)IndexedColors.BlueGrey.Index, ctBorder.top.color.indexed);
//setting XSSFColor
num = stylesTable.GetBorders().Count;
clr = new XSSFColor(Color.Cyan);
cellStyle.SetTopBorderColor(clr);
Assert.AreEqual(clr.GetCTColor().ToString(), cellStyle.GetTopBorderXSSFColor().GetCTColor().ToString());
byte[] rgb = cellStyle.GetTopBorderXSSFColor().GetRgb();
Assert.AreEqual(Color.Cyan.ToArgb(), Color.FromArgb(rgb[0], rgb[1], rgb[2]).ToArgb());
//another border was added to the styles table
Assert.AreEqual(num, stylesTable.GetBorders().Count);
//passing null unsets the color
cellStyle.SetTopBorderColor(null);
Assert.IsNull(cellStyle.GetTopBorderXSSFColor());
}