internal async Task Generic_Async_Event_Should_Run_Asynchronously()
{
var notifier = new GenericNotifier();
var tcs = new TaskCompletionSource <object>();
int?value = null;
async Task RespondToSomethingHappening(object sender, ExampleEventArgs eventArgs)
{
await tcs.Task;
value = eventArgs.Value;
}
notifier.SomethingHappened += RespondToSomethingHappening;
var eventTask = notifier.OnSomethingHappening(2);
await Task.Delay(100);
value.ShouldBeNull();
tcs.SetResult(null);
await eventTask;
value.ShouldBe(2);
}
internal async Task Generic_Synchronous_Event_Handlers_Should_Be_Convertible_To_Equivalent_Asynchronous_Handlers()
{
var notifier = new GenericNotifier();
int?value = null;
notifier.SomethingHappened += Async <ExampleEventArgs>((sender, args) => value = args.Value);
await notifier.OnSomethingHappening(2);
value.ShouldBe(2);
}
internal void Generic_Invoke_Async_Should_Return_Completed_Task_If_No_Handlers_Are_Subscribed()
{
var notifier = new GenericNotifier();
notifier.OnSomethingHappening(3).IsCompleted.ShouldBeTrue();
}