public void WeakEvent2()
{
var subscriber = new Subscriber();
var(weakManager, _) = WeakEventHandlerCore(null, subscriber);
GC.Collect();
Assert.IsFalse(weakManager.TryGetTarget(out _));
}
public void WeakEventAddArgumentException()
{
var subscriber = new Subscriber();
AssertHelper.ExpectedException <ArgumentNullException>(() => WeakEvent.StaticEventHandler <PropertyChangedEventArgs> .Add(null !, h => StaticPublisher.Event1 += h, h => StaticPublisher.Event1 -= h));
AssertHelper.ExpectedException <ArgumentNullException>(() => WeakEvent.StaticEventHandler <PropertyChangedEventArgs> .Add(subscriber.Handler, null !, h => StaticPublisher.Event1 -= h));
AssertHelper.ExpectedException <ArgumentNullException>(() => WeakEvent.StaticEventHandler <PropertyChangedEventArgs> .Add(subscriber.Handler, h => StaticPublisher.Event1 += h, null !));
}
public void Add(Subscriber subscriber) => Proxy = WeakEvent.StaticEventHandler <PropertyChangedEventArgs> .Add(subscriber.Handler, h => StaticPublisher.Event1 += h, h => StaticPublisher.Event1 -= h);