public void WhenSubscriberIsAlive_ThenObserverIsAlive()
{
var subscriber = new Mock<ISubscriber>();
var observer = new WeakObserverEvent<EventArgs>(subscriber.Object.OnNext, null, null);
Assert.True(observer.IsAlive);
}
public void WhenSubscriberIsAlive_ThenObserverIsAlive()
{
var subscriber = new Mock <ISubscriber>();
var observer = new WeakObserverEvent <EventArgs>(subscriber.Object.OnNext, null, null);
Assert.True(observer.IsAlive);
}
public void WhenCompleted_ThenInvokesCallback()
{
var subscriber = new Mock<ISubscriber>();
var observer = new WeakObserverEvent<EventArgs>(subscriber.Object.OnNext, subscriber.Object.OnError, subscriber.Object.OnCompleted);
observer.OnCompleted();
subscriber.Verify(x => x.OnCompleted());
}
public void WhenCompleted_ThenInvokesCallback()
{
var subscriber = new Mock <ISubscriber>();
var observer = new WeakObserverEvent <EventArgs>(subscriber.Object.OnNext, subscriber.Object.OnError, subscriber.Object.OnCompleted);
observer.OnCompleted();
subscriber.Verify(x => x.OnCompleted());
}
public void WhenError_ThenInvokesCallback()
{
var subscriber = new Mock<ISubscriber>();
var observer = new WeakObserverEvent<EventArgs>(subscriber.Object.OnNext, subscriber.Object.OnError, subscriber.Object.OnCompleted);
var exception = new InvalidOperationException();
observer.OnError(exception);
subscriber.Verify(x => x.OnError(exception));
}
public void WhenError_ThenInvokesCallback()
{
var subscriber = new Mock <ISubscriber>();
var observer = new WeakObserverEvent <EventArgs>(subscriber.Object.OnNext, subscriber.Object.OnError, subscriber.Object.OnCompleted);
var exception = new InvalidOperationException();
observer.OnError(exception);
subscriber.Verify(x => x.OnError(exception));
}
public void WhenSourceEventRaisedAndWeakSubscriberDisposed_ThenRemovesSubscriber()
{
EventHandler raiseHandler = null;
var removed = 0;
var observer = new Mock <IObserver <IEvent <EventArgs> > >();
var weakSubscriber = new WeakObserverEvent <EventArgs>(observer.Object.OnNext, observer.Object.OnError, observer.Object.OnCompleted);
var observable = new WeakObservableEvent <EventHandler, EventArgs>(
handler => new EventHandler(handler.Invoke),
handler => raiseHandler = handler,
handler => removed++);
observable.Subscribe(weakSubscriber);
Assert.NotNull(raiseHandler);
Assert.Equal(0, removed);
observer = null;
GC.Collect();
raiseHandler(this, EventArgs.Empty);
Assert.Equal(1, removed);
}
public void WhenSourceEventRaisedAndWeakSubscriberDisposed_ThenRemovesSubscriber()
{
EventHandler raiseHandler = null;
var removed = 0;
var observer = new Mock<IObserver<IEvent<EventArgs>>>();
var weakSubscriber = new WeakObserverEvent<EventArgs>(observer.Object.OnNext, observer.Object.OnError, observer.Object.OnCompleted);
var observable = new WeakObservableEvent<EventHandler, EventArgs>(
handler => new EventHandler(handler.Invoke),
handler => raiseHandler = handler,
handler => removed++);
observable.Subscribe(weakSubscriber);
Assert.NotNull(raiseHandler);
Assert.Equal(0, removed);
observer = null;
GC.Collect();
raiseHandler(this, EventArgs.Empty);
Assert.Equal(1, removed);
}
