public void testCloneIsDeepClone()
{
TreeFilter a = new AlwaysCloneTreeFilter();
Assert.AreNotSame(a, a.Clone());
TreeFilter n = NotTreeFilter.create(a);
Assert.AreNotSame(n, n.Clone());
}
public void testCloneIsSparseWhenPossible()
{
TreeFilter a = TreeFilter.ALL;
Assert.AreSame(a, a.Clone());
TreeFilter n = NotTreeFilter.create(a);
Assert.AreSame(n, n.Clone());
}
public override TreeFilter Clone()
{
TreeFilter n = a.Clone();
return(n == a ? this : new NotTreeFilter(n));
}