public void ReplaceRaisesCorrectCollectionChangedEvent()
{
var collection = new RangedObservableCollection <int>();
collection.AddRange(ItemsToAdd);
collection.CollectionChanged += (s, e) =>
{
Assert.Equal(NotifyCollectionChangedAction.Reset, e.Action);
Assert.Null(e.OldItems);
Assert.Null(e.NewItems);
};
collection.Replace(11);
Assert.Equal(new[] { 11 }, collection.ToArray());
}
public void ReplaceRaisesCollectionChangedOnce()
{
var collection = new RangedObservableCollection <int>();
collection.AddRange(ItemsToAdd);
var didTrigger = false;
collection.CollectionChanged += (s, e) =>
{
Assert.False(didTrigger);
didTrigger = true;
};
collection.Replace(1);
Assert.True(didTrigger);
}
