public void When_object_has_multiple_listeners_should_subscribe_to_all()
{
var eventAggregator = new EventAggregator();
var handler = new SomeMessageHandler2();
eventAggregator.AddListener(handler);
eventAggregator.SendMessage <SomeMessage>();
eventAggregator.SendMessage <SomeMessage2>();
handler.EventsTrapped.Count().ShouldEqual(2);
}
public void Can_remove_a_good_listener_with_a_zombied_listener()
{
var eventAggregator = new EventAggregator();
SomeMessageHandler2 messageHandler2 = new SomeMessageHandler2();
AddHandlerInScopeThatWillRemoveInstanceWhenGarbageCollected(eventAggregator, false);
eventAggregator.AddListener(messageHandler2);
GC.Collect();
// both good and zombied listeners
eventAggregator.GetListeners().Count().ShouldEqual(2);
// should not throw if removing a good listener
eventAggregator.RemoveListener(messageHandler2);
// should be only zombie left
eventAggregator.GetListeners().Count().ShouldEqual(1);
eventAggregator.SendMessage <SomeMessage>();
// after call to SendMessage, the zombied listener should be removed.
eventAggregator.GetListeners().Count().ShouldEqual(0);
}