public void WhenOperationWasCanceledCollectionShouldNotBeChanged()
{
SynchronizedNotifiableCollection <Item> collection = CreateNotifiableCollection <Item>(ExecutionMode.None, ThreadManagerMock);
collection.Add(new Item {
Id = -1
});
collection.CollectionChanging += (sender, args) => args.Cancel = true;
var collectionTracker = new NotifiableCollectionTracker <Item>(collection, false);
var item = new Item {
Id = -2
};
collection.Add(item);
collection.Remove(item);
collection[0] = item;
collection.Clear();
collection.Count.ShouldEqual(1);
collection[0].ShouldNotEqual(item);
collectionTracker.ChangedItems.SequenceEqual(collection).ShouldBeTrue();
collectionTracker.ChangingItems.SequenceEqual(collection).ShouldBeTrue();
}
public void WhenOperationWasCanceledCollectionShouldNotBeChanged()
{
SynchronizedNotifiableCollection <Item> collection = CreateNotifiableCollection <Item>(ExecutionMode.None,
ThreadManagerMock);
collection.Add(new Item {
Id = new Guid("0C32E17E-020C-4E05-9B90-AE247B8BE703")
});
collection.CollectionChanging += (sender, args) => args.Cancel = true;
var collectionTracker = new NotifiableCollectionTracker <Item>(collection);
var item = new Item {
Id = new Guid("3C39C0C0-DFBA-4683-8473-0950085478E9")
};
collection.Add(item);
collection.Remove(item);
collection[0] = item;
collection.Clear();
collection.Count.ShouldEqual(1);
collection[0].ShouldNotEqual(item);
collectionTracker.ChangedItems.SequenceEqual(collection).ShouldBeTrue();
collectionTracker.ChangingItems.SequenceEqual(collection).ShouldBeTrue();
}
public void WhenNotificationSuspendedEventsShouldNotBeRaised()
{
SynchronizedNotifiableCollection <Item> collection = CreateNotifiableCollection <Item>(ExecutionMode.None, ThreadManagerMock);
var collectionTracker = new NotifiableCollectionTracker <Item>(collection);
using (collection.SuspendNotifications())
{
for (int i = 0; i < 10; i++)
{
var item = new Item();
collection.Add(item);
collection.Remove(item);
}
using (collection.SuspendNotifications())
{
collection.Add(new Item());
}
collectionTracker.ChangedItems.ShouldBeEmpty();
}
ThreadManagerMock.InvokeOnUiThreadAsync();
collectionTracker.AssertEquals();
}