public void BindFirst_SeveralCallInRow_ShouldBindToLastOnly()
{
//arrange
List <MovementEndedEvent> allEvents = new List <MovementEndedEvent>();
Action <MovementEndedEvent> eventSubscriber = (sunscriber) => allEvents.Add(sunscriber);
Action <MovementEndedEvent> eventUnsubscriber = (sunscriber) => allEvents.Remove(sunscriber);
TwoMoveToSwipeAdapter eventAdapter = new TwoMoveToSwipeAdapter();
//act
eventAdapter.BindFirst(eventSubscriber, eventUnsubscriber).
BindFirst(eventSubscriber, eventUnsubscriber).
BindFirst(eventSubscriber, eventUnsubscriber).
BindFirst(eventSubscriber, eventUnsubscriber);
//assert
Assert.That(allEvents.Count, Is.EqualTo(1));
}
public void BindFinal_BindTwoCorrectMovementEvent_ShouldCallFinalEventOnce()
{
//arrange
List <MovementEndedEvent> allEvents = new List <MovementEndedEvent>();
Action <MovementEndedEvent> eventSubscriber = (sunscriber) => allEvents.Add(sunscriber);
Action <MovementEndedEvent> eventUnsubscriber = (sunscriber) => allEvents.Remove(sunscriber);
int actionCallcounter = 0;
Action finalAction = () => actionCallcounter++;
TwoMoveToSwipeAdapter eventAdapter = new TwoMoveToSwipeAdapter();
eventAdapter.BindFirst(eventSubscriber, eventUnsubscriber)
.BindSecond(eventSubscriber, eventUnsubscriber)
.BindFinal(finalAction);
//act
for (int i = 0; i < allEvents.Count; i++)
{
MovementEndedEvent endedEvent = allEvents[i];
endedEvent.Invoke();
}
for (int i = 0; i < allEvents.Count; i++)
{
MovementEndedEvent endedEvent = allEvents[i];
endedEvent.Invoke();
}
for (int i = 0; i < allEvents.Count; i++)
{
MovementEndedEvent endedEvent = allEvents[i];
endedEvent.Invoke();
}
//assert
Assert.That(actionCallcounter, Is.EqualTo(1));
}