public void VerifyNotifyCollectionChangeWithReadonlyListBehavior()
{
int invocationCount = 0;
RunOnUIThread.Execute(() =>
{
var collection = new ReadOnlyNotifyPropertyChangedCollection <object>();
var itemsSourceView = new ItemsSourceView(collection);
itemsSourceView.CollectionChanged += ItemsSourceView_CollectionChanged;
var underlyingData = new ObservableCollection <object>();
collection.Data = underlyingData;
Verify.AreEqual(1, invocationCount);
});
void ItemsSourceView_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
invocationCount++;
}
}
public void VerifyReadOnlyListCompatibility()
{
RunOnUIThread.Execute(() =>
{
var collection = new ReadOnlyNotifyPropertyChangedCollection <object>();
var firstItem = "something1";
collection.Data = new ObservableCollection <object>();
collection.Data.Add(firstItem);
collection.Data.Add("something2");
collection.Data.Add("something3");
var itemsSourceView = new ItemsSourceView(collection);
Verify.AreEqual(3, itemsSourceView.Count);
collection.Data.Add("something4");
Verify.AreEqual(4, itemsSourceView.Count);
Verify.AreEqual(firstItem, itemsSourceView.GetAt(0));
Verify.AreEqual(0, itemsSourceView.IndexOf(firstItem));
});
}
