public void CurrentTest()
{
Style root = new Style();
StyleStack target = new StyleStack(root);
Assert.AreEqual(root, target.Current);
Style one = new Style();
target.Push(one);
Assert.AreEqual(one, target.Current);
Style two = new Style();
target.Push(two);
Assert.AreEqual(two, target.Current);
}
public void PopTest()
{
Style root = new Style();
StyleStack target = new StyleStack(root);
Style one = new Style();
target.Push(one);
Style two = new Style();
target.Push(two);
Style expected = two;
Style actual;
actual = target.Pop();
Assert.AreEqual(expected, actual);
expected = one;
actual = target.Pop();
Assert.AreEqual(expected, actual);
expected = root;
actual = target.Pop();
Assert.AreEqual(expected, actual);
try
{
actual = target.Pop();
throw new ArgumentException("Stack should be empty");
}
catch (InvalidOperationException)
{
//Successfully thrown empty stack exception
}
}
public void GetFullStyleTest()
{
Style root = new Style();
root.Background.Color = PDFColors.Red; //Not inherited
root.Font.FontFamily = (PDFFontSelector)"Symbol"; //Font is inherited
root.Font.FontSize = 20; //Font is inherited
StyleStack target = new StyleStack(root);
Style one = new Style();
one.Background.FillStyle = FillType.Pattern; //Background is not inherited
one.Border.Width = 2; //Border is not inherited
one.Font.FontSize = 48; //Font is inherited - override root
target.Push(one);
//last item will always be merged in a full style - actual, not inherited values
Style two = new Style();
two.Border.Color = PDFColors.Lime;
two.Border.Width = 3;
two.Font.FontItalic = true;
target.Push(two);
Label lbl = new Label();
Style actual = target.GetFullStyle(lbl);
Assert.AreEqual("Symbol", actual.Font.FontFamily.FamilyName); //inherited from root
Assert.AreEqual((PDFUnit)48, actual.Font.FontSize); //inherited from one
Assert.AreEqual((PDFUnit)3, actual.Border.Width); //border from two
Assert.AreEqual(PDFColors.Lime, actual.Border.Color); //border from two
Assert.AreEqual(true, actual.Font.FontItalic); //font from two
Assert.AreEqual(PDFColor.Transparent, actual.Background.Color); //not inherited from root
Assert.AreEqual(FillType.None, actual.Background.FillStyle); //not inherited from one
}