public void TestGetSetFillBackgroundColor()
{
Assert.AreEqual(IndexedColors.Automatic.Index, cellStyle.FillBackgroundColor);
Assert.IsNull(cellStyle.FillBackgroundColorColor);
XSSFColor clr;
int num = stylesTable.GetFills().Count;
//setting indexed color
cellStyle.FillBackgroundColor = (IndexedColors.Red.Index);
Assert.AreEqual(IndexedColors.Red.Index, cellStyle.FillBackgroundColor);
clr = (XSSFColor)cellStyle.FillBackgroundColorColor;
Assert.IsTrue(clr.GetCTColor().IsSetIndexed());
Assert.AreEqual(IndexedColors.Red.Index, clr.Indexed);
//a new fill was Added to the styles table
Assert.AreEqual(num + 1, stylesTable.GetFills().Count);
//id of the Created border
int FillId = (int)cellStyle.GetCoreXf().fillId;
Assert.IsTrue(FillId > 0);
//check changes in the underlying xml bean
CT_Fill ctFill = stylesTable.GetFillAt(FillId).GetCTFill();
Assert.AreEqual((uint)IndexedColors.Red.Index, ctFill.GetPatternFill().bgColor.indexed);
//setting XSSFColor
num = stylesTable.GetFills().Count;
clr = new XSSFColor(Color.Cyan);
cellStyle.SetFillBackgroundColor(clr); // TODO this testcase assumes that cellStyle creates a new CT_Fill, but the implementation changes the existing style. - do not know whats right 8-(
Assert.AreEqual(clr.GetCTColor().ToString(), ((XSSFColor)cellStyle.FillBackgroundColorColor).GetCTColor().ToString());
byte[] rgb = ((XSSFColor)cellStyle.FillBackgroundColorColor).GetRgb();
Assert.AreEqual(Color.Cyan.ToArgb(), Color.FromArgb(rgb[0] & 0xFF, rgb[1] & 0xFF, rgb[2] & 0xFF).ToArgb());
//another border was added to the styles table
Assert.AreEqual(num + 1, stylesTable.GetFills().Count);
//passing null unsets the color
cellStyle.SetFillBackgroundColor(null);
Assert.IsNull(cellStyle.FillBackgroundColorColor);
Assert.AreEqual(IndexedColors.Automatic.Index, cellStyle.FillBackgroundColor);
}
