public void AddChild(IsNotDefinedFilter filter)
{
if (child != null)
throw new InvalidFilterException("only one child allowed");
child = filter;
}
public void AddChild(IsNotDefinedFilter filter)
{
if (children.Any())
throw new InvalidFilterException("IsNotDefinedFilter cannot have siblings");
children.Add(filter);
}
public void TestIsNotDefinedFilter()
{
var uut = new IsNotDefinedFilter();
var xmlDoc = new XmlDocument();
xmlDoc.LoadXml(AddNamespace(uut.ToXml()));
Assert.AreEqual(1, xmlDoc.GetElementsByTagName("C:is-not-defined").Count);
}