public void ShouldThrowArgumentNullExceptionWhenAddedSelectorConfigureActionIsNull()
{
var cssClass = new CssClass("Button");
Assert.Throws <ArgumentNullException>(() => cssClass.AddPseudoSelector(PseudoSelector.Active, null));
}
public void ShouldThrowArgumentNullExceptionWhenAddedSelectorIsNull()
{
var cssClass = new CssClass("Button");
Assert.Throws <ArgumentNullException>(() => cssClass.AddPseudoSelector(null, p => p.WithStyle("test", "test")));
}