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

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

            var trackable = orders.AsTrackable();
            var first = trackable.First();
            first.Id = 963;
            first.CustomerNumber = "Testing";
            var collectionintf = trackable.CastToIChangeTrackableCollection();
            collectionintf.AcceptChanges();

            trackable.All(o => o.CastToIChangeTrackable().ChangeTrackingStatus == ChangeStatus.Unchanged).Should().BeTrue();
        }