public void loading_pipes_module_executes_function() { bool handlerWasCalled = false; var handler = new Func <string, string>(ahkMessage => { handlerWasCalled = true; System.Threading.Thread.Sleep(1000); return("OK"); }); ahk.InitalizePipesModule(handler); ahk.ExecRaw("serverResult := SendPipeMessage(\"testing\")"); Assert.True(handlerWasCalled); }