public void Filter()
{
evaluator_count = 0;
using (var obj1 = new NSObject())
using (var obj2 = new NSObject())
using (var a = new NSMutableArray()) {
a.Add(obj1);
a.Add(a);
a.Add(obj2);
using (NSPredicate p = NSPredicate.FromExpression(Evaluator))
using (var f = a.Filter(p)) {
Assert.That(f.ValueAt(0), Is.EqualTo(a.Handle), "0");
Assert.That(f.Count, Is.EqualTo((nuint)1), "Count");
}
}
Assert.That(evaluator_count, Is.EqualTo(3), "3");
}