public void ListBehaviorSubject_Subscribe_reflects_changes()
{
var lbs = new ListBehaviorSubject <int>();
lbs.OnAdd(1);
lbs.OnAdd(2);
lbs.OnAdd(3);
var list = new List <int>();
var sub = lbs.Subscribe(Observer.Create <ListChange <int> >(change => change.Apply(list)));
CollectionAssert.AreEqual(new[] { 1, 2, 3 }, list);
lbs.OnAdd(4);
CollectionAssert.AreEqual(new[] { 1, 2, 3, 4 }, list);
lbs.OnInsert(0, 0);
CollectionAssert.AreEqual(new[] { 0, 1, 2, 3, 4 }, list);
lbs.OnRemove(1);
CollectionAssert.AreEqual(new[] { 0, 2, 3, 4 }, list);
lbs.OnClear();
CollectionAssert.AreEqual(new int[] {}, list);
sub.Dispose();
lbs.OnAdd(41);
CollectionAssert.AreEqual(new int[] { }, list);
}