public void DetermineIfEventHandlerIsRegistered()
{
var participants = new Participant[] {
new Participant("Participant 1"),
new Participant("Participant 2"),
new Participant("Participant 3")
};
IMediator mediator = null;
try {
mediator = new Mediator();
mediator.Register<ChatMessageEventArgs>(participants[0].OnRecieveMessage);
Assert.That(mediator.IsRegistered<ChatMessageEventArgs>(participants[0].OnRecieveMessage), Is.True);
Assert.That(mediator.IsRegistered<ChatMessageEventArgs>(participants[1].OnRecieveMessage), Is.False);
} finally {
for (int i = 0; i < participants.Length; i++) {
participants[i].Dispose();
}
var disposableMediator = mediator as IDisposable;
if(disposableMediator != null) {
disposableMediator.Dispose();
}
}
}
public void FinalizerEvent()
{
var participants = new Participant[] {
new Participant("Participant 1"),
new Participant("Participant 2"),
new Participant("Participant 3")
};
IMediator mediator = null;
try {
mediator = new Mediator();
mediator.Register<ChatMessageEventArgs>(participants[0].InterceptMessage);
mediator.RegisterFinalizer<ChatMessageEventArgs>(participants[2].OnRecieveMessage);
var args = new ChatMessageEventArgs("Hello there!");
mediator.Post(this, args);
Assert.That(participants[0].HasInterceptedMessageOnce(this, new ChatMessageEventArgs("Hello there!")), Is.True);
Assert.That(participants[2].HasReceivedMessageOnce(this, new ChatMessageEventArgs("Message has been intercepted.")), Is.True);
} finally {
for (int i = 0; i < participants.Length; i++) {
participants[i].Dispose();
}
var disposableMediator = mediator as IDisposable;
if(disposableMediator != null) {
disposableMediator.Dispose();
}
}
}
public void PostEventCallsHandlersForParentTypes()
{
Participant participant = null;
IMediator mediator = null;
try {
participant = new Participant("Test");
mediator = new Mediator();
mediator.Register<ChatMessageEventArgs>(participant.OnRecieveMessage);
mediator.Register<EventArgs>(participant.OnRecieveEvent);
var args = new ChatMessageEventArgs("Hello there!");
mediator.Post(this, args);
Assert.That(participant.HasReceivedMessageOnce(this, args), Is.True);
Assert.That(participant.HasReceivedEventOnce(this, args), Is.True);
} finally {
if(participant != null) {
participant.Dispose();
participant = null;
}
var disposableMediator = mediator as IDisposable;
if(disposableMediator != null) {
disposableMediator.Dispose();
}
}
}