private async Task <SaveResult> CreateBillingDetail <T>(EntityManager em) where T : IBillingDetail, IEntity { var bd = em.CreateEntity <T>(EntityState.Detached); var ba = bd as IBankAccount; if (ba != null) { // because of EF TPC issues - see server comments. if (typeof(T) == typeof(BankAccountTPC)) { ba.Id = TestFns.GetNextInt(); } ba.CreatedAt = DateTime.Now; ba.Owner = "Scrooge McDuck"; ba.Number = "999-999-9"; ba.BankName = "Bank of Duckburg"; ba.Swift = "RICHDUCK"; } else { // bd.Id = TestFns.GetNextInt(); bd.CreatedAt = DateTime.Now; bd.Owner = "Richie Rich"; bd.Number = "888-888-8"; } em.AddEntity(bd); Assert.IsTrue(bd.MiscData == "asdf"); return((SaveResult)null); // TODO: figure out how to save here //SaveResult sr = null; //try { // sr = await em.SaveChanges(); // Assert.IsTrue(bd.EntityAspect.EntityState.IsUnchanged()); //} catch (Exception e) { // var x = e; // throw; //} //return sr; }