public virtual SubscriptionToken Subscribe(Action <TPayload> action, bool keepSubscriberReferenceAlive, Predicate <TPayload> filter) { IDelegateReference actionReference = new DelegateReference(action, keepSubscriberReferenceAlive); IDelegateReference filterReference = new DelegateReference(filter, keepSubscriberReferenceAlive); EventSubscription <TPayload> subscription = new EventSubscription <TPayload>(actionReference, filterReference); return(Subscribe(subscription)); }
public void Not_Keep_Alive_Should_Allow_Delegate_To_Be_Collected() { var delegates = new SomeClassHandler(); var delegateReference = new DelegateReference((Action<string>) delegates.DoEvent, false); // ReSharper disable RedundantAssignment delegates = null; // ReSharper restore RedundantAssignment GC.Collect(); Assert.Null(delegateReference.Target); }
public void Keep_Alive_Should_Prevent_Delegate_From_Being_Collected() { var delegates = new SomeClassHandler(); var delegateReference = new DelegateReference((Action<string>)delegates.DoEvent, true); // ReSharper disable RedundantAssignment delegates = null; // ReSharper restore RedundantAssignment GC.Collect(); Assert.NotNull(delegateReference.Target); }
public void Should_Allow_Collection_Of_Original_Delegate() { var classHandler = new SomeClassHandler(); Action<string> myAction = classHandler.MyAction; var weakAction = new DelegateReference(myAction, false); var originalAction = new WeakReference(myAction); // ReSharper disable RedundantAssignment myAction = null; // ReSharper restore RedundantAssignment GC.Collect(); Assert.False(originalAction.IsAlive); ((Action<string>)weakAction.Target)("payload"); Assert.Equal("payload", classHandler.MyActionArg); }
public void Should_Return_Null_If_Target_NotAlive() { SomeClassHandler handler = new SomeClassHandler(); var weakHandlerRef = new WeakReference(handler); var action = new DelegateReference((Action<string>)handler.DoEvent, false); // ReSharper disable RedundantAssignment handler = null; // ReSharper restore RedundantAssignment GC.Collect(); Assert.False(weakHandlerRef.IsAlive); Assert.Null(action.Target); }
public void WeakDelegate_Should_Works_With_Static_Method_Delegates() { var action = new DelegateReference((Action)SomeClassHandler.StaticMethod, false); Assert.NotNull(action.Target); }
public void Target_Should_Return_Action() { var classHandler = new SomeClassHandler(); Action<string> myAction = classHandler.MyAction; var weakAction = new DelegateReference(myAction, false); ((Action<string>) weakAction.Target)("payload"); Assert.Equal("payload", classHandler.MyActionArg); }