public void ResetTest()
{
const int index = 0;
var item = new CollectionModel();
_changeSetProvider.Publish(new ChangeSet <CollectionModel>(new[] { new Change <CollectionModel>(ListChangeReason.Add, item, index), }));
_changeSetProvider.Publish(new ChangeSet <CollectionModel>(new[] { new Change <CollectionModel>(ListChangeReason.Clear, new CollectionModel[] { item }, 0), }));
Assert.Equal(0, _store.Count);
}
public void AddTest()
{
const int index = 0;
var item = new CollectionModel();
_changeSetProvider.Publish(new ChangeSet <CollectionModel>(new[] { new Change <CollectionModel>(ListChangeReason.Add, item, index), }));
Assert.Equal(1, _store.Count);
Assert.Same(item, _store.Items[0]);
Assert.Same(item, _store.Get(0));
}
public void ContainsTest()
{
var contains = _store.Contains(0);
Assert.False(contains);
const int index = 0;
var item = new CollectionModel();
_changeSetProvider.Publish(new ChangeSet <CollectionModel>(new[] { new Change <CollectionModel>(ListChangeReason.Add, item, index), }));
contains = _store.Contains(0);
Assert.True(contains);
}
public void AddedItemInBackingRaisesEventTest()
{
NotifyCollectionChangedEventArgs receivedEventArgs = null;
_collection.CollectionChanged += delegate(object sender, NotifyCollectionChangedEventArgs args)
{
receivedEventArgs = args;
};
var index = 23;
var item = new CollectionModel();
_changeSetProvider.Publish(new ChangeSet <CollectionModel>(new [] { new Change <CollectionModel>(ListChangeReason.Add, item, index), }));
Assert.NotNull(receivedEventArgs);
Assert.Equal(NotifyCollectionChangedAction.Add, receivedEventArgs.Action);
Assert.Equal(index, receivedEventArgs.NewStartingIndex);
Assert.Equal(1, receivedEventArgs.NewItems.Count);
Assert.Same(item, receivedEventArgs.NewItems[0]);
}