public void ForwardsArgsWhenRaising()
{
WeakEvent<EventHandler<EventArgs1>> handler = new WeakEvent<EventHandler<EventArgs1>>();
handler.Add(EventReceiver1.Callback);
EventArgs1 args = new EventArgs1(2);
handler.Raise(null, args);
Assert.That(EventReceiver1.Args, Is.EqualTo(args));
}
public void ForwardsSenderWhenRaising()
{
WeakEvent<EventHandler<EventArgs1>> handler = new WeakEvent<EventHandler<EventArgs1>>();
handler.Add(EventReceiver1.Callback);
EventArgs1 args = new EventArgs1(2);
object sender = new object();
handler.Raise(sender, args);
Assert.That(EventReceiver1.Sender, Is.EqualTo(sender));
}
public void IgnoresGarbageCollectedListeners()
{
WeakEvent<EventHandler<EventArgs1>> handler = new WeakEvent<EventHandler<EventArgs1>>();
EventReceiver1 receiver = new EventReceiver1();
WeakReference receiverReference = new WeakReference(receiver);
EventArgs1 args = new EventArgs1(2);
object sender = new object();
handler.Add(receiver.Callback);
handler.Raise(sender, args);
// ReSharper disable RedundantAssignment
receiver = null;
// ReSharper restore RedundantAssignment
GC.Collect();
Assert.That(receiverReference.IsAlive, Is.False);
handler.Raise(sender, args);
Assert.That(handler.ListenersCount, Is.EqualTo(0));
}
public void Callback(object sender, EventArgs1 args)
{
Sender = sender;
Args = args;
CallCounter++;
}