public static void Add()
{
var reference = new ObservableCollection <int>();
using var expected = reference.SubscribeAll();
var batchCollection = new DispatchingCollection <int>();
using var actual = batchCollection.SubscribeAll();
reference.Add(1);
batchCollection.Add(1);
CollectionAssert.AreEqual(reference, batchCollection);
CollectionAssert.AreEqual(expected, actual, EventArgsComparer.Default);
reference.Add(2);
batchCollection.Add(2);
CollectionAssert.AreEqual(reference, batchCollection);
CollectionAssert.AreEqual(expected, actual, EventArgsComparer.Default);
}
public static void Add()
{
var collection = new DispatchingCollection <int>();
var itemsControl = new ItemsControl {
ItemsSource = collection
};
CollectionAssert.IsEmpty(itemsControl.Items);
collection.Add(1);
CollectionAssert.AreEqual(new[] { 1 }, itemsControl.Items);
}
public static async Task WhenAddOnOtherThread()
{
var collection = new DispatchingCollection <int>();
var itemsControl = new ItemsControl {
ItemsSource = collection
};
CollectionAssert.IsEmpty(itemsControl.Items);
await Task.Run(() => collection.Add(1)).ConfigureAwait(false);
await Application.Current.Dispatcher.SimulateYield();
CollectionAssert.AreEqual(new[] { 1 }, itemsControl.Items);
}
