ChangeTracking.Tests.IChangeTrackableCollectionTests.When_Deleting_From_Collection_Item_That_Status_Is_Added_Should_Not_Be_Added_To_DeletedItems C# (CSharp) Method

        public void When_Deleting_From_Collection_Item_That_Status_Is_Added_Should_Not_Be_Added_To_DeletedItems()
        {
            var orders = Helper.GetOrdersIList();

            var trackable = orders.AsTrackable();
            var first = trackable.First();
            trackable.Remove(first);
            var order = Helper.GetOrder();
            order.Id = 999;
            trackable.Add(order);
            trackable.Remove(trackable.Single(o => o.Id == 999));

            trackable.CastToIChangeTrackableCollection().DeletedItems.Should().HaveCount(1)
                .And.OnlyContain(o => o.Id == first.Id && o.CustomerNumber == first.CustomerNumber);
        }