public void Invoke_With_SyncCompletingHandler() { var service = new FooService(); var called = 0; String arg = null; var subscription = service.Changed.Subscribe( async x => { arg = x; called++; } ); Check.That(subscription) .IsInstanceOf <FuncSubscription <String> >(); Check.That(((FuncSubscription <String>)subscription).TestingGetPreviousSubscription()) .IsNull(); Check.That(((FuncSubscription <String>)subscription).Target) .IsNotNull(); Check.That(((FuncSubscription <String>)subscription).Method) .IsNotNull(); var flag1 = service.Do("abc"); Check.That(flag1) .IsTrue(); Check.That(called) .IsEqualTo(1); Check.That(arg) .IsEqualTo("abc"); called = 0; var flag2 = service.Do("def"); Check.That(flag2) .IsTrue(); Check.That(called) .IsEqualTo(1); Check.That(arg) .IsEqualTo("def"); Check.That(service.ChangedSource.NumberOfSubscriptions) .IsEqualTo(1); Check.That(service.ChangedSource.IsDisposed) .IsFalse(); }
public void Invoke_With_HandlerThrowingException_BeforeAwait() { var service = new FooService(); var called = 0; String arg = null; var subscription = service.Changed.SubscribeWeak( async x => { arg = x; called++; if (called == 1) { throw new ApplicationException(); } await Task.Yield(); } ); Check.That(subscription) .IsInstanceOf <FuncSubscription <String> >(); Check.That(((FuncSubscription <String>)subscription).TestingGetPreviousSubscription()) .IsInstanceOf <WeakSubscription <String> >(); Exception exception = null; using (EventSystem.UnobservedException.SubscribeWeak( x => Volatile.Write(ref exception, x) )) { var flag1 = service.Do("abc"); Check.That(flag1) .IsTrue(); Check.That(called) .IsEqualTo(1); Check.That(arg) .IsEqualTo("abc"); Check.That(Volatile.Read(ref exception)) .IsInstanceOf <ApplicationException>(); Check.That(service.ChangedSource.NumberOfSubscriptions) .IsEqualTo(1); Check.That(service.ChangedSource.IsDisposed) .IsFalse(); } }
public void Invoke_With_AlreadyCanceledHandler() { var service = new FooService(); var called = 0; String arg = null; var subscription = service.Changed.SubscribeWeak( x => { arg = x; called++; var cts = new CancellationTokenSource(); cts.Cancel(); return(Task.FromCanceled(cts.Token)); } ); Check.That(subscription) .IsInstanceOf <FuncSubscription <String> >(); Check.That(((FuncSubscription <String>)subscription).TestingGetPreviousSubscription()) .IsInstanceOf <WeakSubscription <String> >(); Exception exception = null; using (EventSystem.UnobservedException.SubscribeWeak( x => Volatile.Write(ref exception, x) )) { var flag1 = service.Do("abc"); Check.That(flag1) .IsTrue(); Check.That(called) .IsEqualTo(1); Check.That(arg) .IsEqualTo("abc"); Check.That(Volatile.Read(ref exception)) .IsNull(); Check.That(service.ChangedSource.NumberOfSubscriptions) .IsEqualTo(1); Check.That(service.ChangedSource.IsDisposed) .IsFalse(); } }
public void Invoke_With_AsyncCompletingHandler() { var service = new FooService(); var called = 0; String arg = null; var subscription = service.Changed.SubscribeWeak( async x => { await Task.Delay(100); arg = x; called++; } ); Check.That(subscription) .IsInstanceOf <FuncSubscription <String> >(); Check.That(((FuncSubscription <String>)subscription).TestingGetPreviousSubscription()) .IsInstanceOf <WeakSubscription <String> >(); var flag1 = service.Do("abc"); Check.That(flag1) .IsTrue(); Check.That(called) .IsEqualTo(0); SpinWait.SpinUntil(() => called == 1, 2000); Check.That(called) .IsEqualTo(1); Check.That(arg) .IsEqualTo("abc"); Check.That(service.ChangedSource.NumberOfSubscriptions) .IsEqualTo(1); Check.That(service.ChangedSource.IsDisposed) .IsFalse(); }
public void Invoke_With_AlreadyCompletedHandler() { var service = new FooService(); var called = 0; String arg = null; var subscription = service.Changed.SubscribeWeak( x => { arg = x; called++; return(Task.CompletedTask); } ); Check.That(subscription) .IsInstanceOf <FuncSubscription <String> >(); Check.That(((FuncSubscription <String>)subscription).TestingGetPreviousSubscription()) .IsInstanceOf <WeakSubscription <String> >(); var flag1 = service.Do("abc"); Check.That(flag1) .IsTrue(); Check.That(called) .IsEqualTo(1); Check.That(arg) .IsEqualTo("abc"); Check.That(service.ChangedSource.NumberOfSubscriptions) .IsEqualTo(1); Check.That(service.ChangedSource.IsDisposed) .IsFalse(); }
public void Invoke_After_SubscriptionGCed() { var service = new FooService(); var called = 0; String arg = null; var subscription = service.Changed.SubscribeWeak( async x => { arg = x; called++; await Task.Yield(); } ); Check.That(subscription) .IsNotNull(); Check.That(subscription) .IsInstanceOf <FuncSubscription <String> >(); Check.That(((FuncSubscription <String>)subscription).TestingGetPreviousSubscription()) .IsInstanceOf <WeakSubscription <String> >(); var strongSub = (FuncSubscription <String>)subscription; var weakSub = (WeakSubscription <String>)strongSub.TestingGetPreviousSubscription(); strongSub.TestingClearNextSubscription(); weakSub.TestingClearNextSubscription(); var flag1 = service.Do("abc"); Check.That(flag1) .IsTrue(); Check.That(called) .IsEqualTo(0); Check.That(service.ChangedSource.NumberOfSubscriptions) .IsEqualTo(0); Check.That(service.ChangedSource.IsDisposed) .IsFalse(); var flag2 = service.Do("abc"); Check.That(flag2) .IsFalse(); Check.That(called) .IsEqualTo(0); Check.That(service.ChangedSource.NumberOfSubscriptions) .IsEqualTo(0); Check.That(subscription) .IsNotNull(); Check.That(subscription) .IsInstanceOf <FuncSubscription <String> >(); Check.That(((FuncSubscription <String>)subscription).TestingGetPreviousSubscription()) .IsNull(); }