public void DisposingOfSubscriptionUnregistersEvent()
{
var sink = new EventSink();
var mockListener = new Mock<IEventListener>();
mockListener.Setup(l => l.OnGenericEvent()).Verifiable();
using(EventManager.SubscribeTo<IEventListener, EventArgs>(
h => sink.GenericEvent += h,
h => sink.GenericEvent -= h,
mockListener.Object,
(l, args) => l.OnGenericEvent()
)) {
sink.OnGenericEvent(EventArgs.Empty);
sink.OnGenericEvent(EventArgs.Empty);
}
sink.OnGenericEvent(EventArgs.Empty);
mockListener.Verify(l => l.OnGenericEvent(), Times.Exactly(2));
}
public void SubscribedEventIsActedOn()
{
var sink = new EventSink();
var mockListener = new Mock<IEventListener>();
mockListener.Setup(l=>l.OnGenericEvent()).Verifiable();
EventManager.SubscribeTo<IEventListener, EventArgs>(
h => sink.GenericEvent += h,
h => sink.GenericEvent -= h,
mockListener.Object,
(l,args)=>l.OnGenericEvent()
);
sink.OnGenericEvent(EventArgs.Empty);
mockListener.Verify(l=>l.OnGenericEvent(), Times.Once());
}
