public void Sort()
{
comparator_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 (var s = a.Sort(Comparator)) {
Assert.That((long)(IntPtr)s.ValueAt(0), Is.GreaterThan((long)(IntPtr)s.ValueAt(1)), "0");
Assert.That((long)(IntPtr)s.ValueAt(1), Is.GreaterThan((long)(IntPtr)s.ValueAt(2)), "1");
}
}
Assert.That(comparator_count, Is.GreaterThanOrEqualTo(2), "2+");
}