public void AddChild(ParamFilter filter)
{
if (children.Any(e => e.GetType() == typeof(IsNotDefinedFilter)))
throw new InvalidFilterException("IsNotDefinedFilter cannot have siblings");
children.Add(filter);
}
public void TestParamFilter()
{
var uut = new ParamFilter("bar");
var xmlDoc = new XmlDocument();
uut.AddChild(new IsNotDefinedFilter());
xmlDoc.LoadXml(AddNamespace(uut.ToXml()));
Assert.AreEqual(1, xmlDoc.GetElementsByTagName("C:param-filter").Count);
var element = xmlDoc.GetElementsByTagName("C:param-filter")[0];
Assert.AreEqual("BAR", element.Attributes["name"].Value);
Assert.AreEqual(1, element.ChildNodes.Count);
try
{
uut.AddChild(new IsNotDefinedFilter());
Assert.Fail();
}
catch (InvalidFilterException) { }
try
{
uut.AddChild(new TextMatchFilter());
Assert.Fail();
}
catch (InvalidFilterException) { }
uut = new ParamFilter("bar");
uut.AddChild(new TextMatchFilter());
try
{
uut.AddChild(new IsNotDefinedFilter());
Assert.Fail();
}
catch (InvalidFilterException) { }
try
{
uut.AddChild(new TextMatchFilter());
Assert.Fail();
}
catch (InvalidFilterException) { }
}