public void CallingResetWhileAddingItemsInAddingMode()
{
var counter = 0;
var eventArgs = (NotifyCollectionChangedEventArgs)null;
var fastCollection = new FastObservableCollection <int>();
fastCollection.AutomaticallyDispatchChangeNotifications = false;
fastCollection.CollectionChanged += (sender, e) =>
{
counter++;
eventArgs = e;
};
var token = fastCollection.SuspendChangeNotifications(SuspensionMode.Adding);
fastCollection.Add(1);
fastCollection.Add(2);
fastCollection.Reset();
Assert.AreEqual(0, counter);
fastCollection.Add(3);
fastCollection.Add(4);
fastCollection.Add(5);
token.Dispose();
Assert.AreEqual(1, counter);
Assert.AreEqual(NotifyCollectionChangedAction.Add, eventArgs.Action);
CollectionAssert.AreEqual(eventArgs.NewItems, new[] { 1, 2, 3, 4, 5 });
}
public void ResetWithoutSuspendChangeNotifications()
{
var collectionChanged = false;
var fastCollection = new FastObservableCollection <int>();
fastCollection.AutomaticallyDispatchChangeNotifications = false;
fastCollection.CollectionChanged += (sender, e) => { collectionChanged = true; };
fastCollection.Reset();
Assert.AreEqual(true, collectionChanged);
}
