public void RpcCallError() { RpcFactory anRpcFactory = new RpcFactory(mySerializer); IRpcService <IHello> anRpcService = anRpcFactory.CreateSingleInstanceService <IHello>(new HelloService()); IRpcClient <IHello> anRpcClient = anRpcFactory.CreateClient <IHello>(); try { anRpcService.AttachDuplexInputChannel(myMessaging.CreateDuplexInputChannel(myChannelId)); anRpcClient.AttachDuplexOutputChannel(myMessaging.CreateDuplexOutputChannel(myChannelId)); IHello aServiceProxy = anRpcClient.Proxy; Assert.Throws <RpcException>(() => aServiceProxy.Fail()); } finally { if (anRpcClient.IsDuplexOutputChannelAttached) { anRpcClient.DetachDuplexOutputChannel(); } if (anRpcService.IsDuplexInputChannelAttached) { anRpcService.DetachDuplexInputChannel(); } } }