///<summary>
///With BehaviourSubject<T> ,the subscriber will only get all the last publication made
///Simply, BehaviourSubject has a one value buffer. Hence, it requires a default value.
///</summary>
private static void BehaviourSubject()
{
var subject = new BehaviorSubject<string>("Rx");
subject.OnNext("a");
var d = subject.Subscribe(x => Console.WriteLine("Subscritipon 1 : " + x));
subject.OnNext("b");
// var d = subject.Subscribe(x => Console.WriteLine("Subscritipon 1 : " + x));
d.Dispose();
subject.OnNext("c");
subject.Subscribe(x => Console.WriteLine("Subscritipon 2 : " + x));
}
public void TestOnError()
{
var expectedOnNext = new List <int> {
7, 1, 10, 100
};
var onNext = new List <int>();
var exceptions = new List <Exception>();
var onCompletedCallCount = 0;
var subject = new BehaviorSubject <int>(7);
subject.Subscribe(x => onNext.Add(x), x => exceptions.Add(x), () => onCompletedCallCount++);
subject.OnNext(1);
subject.OnNext(10);
subject.OnNext(100);
Assert.That(onNext, Is.EqualTo(expectedOnNext));
Assert.That(exceptions, Has.Count.EqualTo(0));
Assert.That(onCompletedCallCount, Is.EqualTo(0));
subject.OnError(new Exception());
Assert.That(exceptions, Has.Count.EqualTo(1));
subject.OnNext(1);
subject.OnNext(10);
subject.OnNext(200);
Assert.That(onNext, Is.EqualTo(expectedOnNext));
Assert.That(onCompletedCallCount, Is.EqualTo(0));
}
public static void BehaviorSubject()
{
Console.WriteLine("----------BEHAVIOR SUBJECT");
var subject = new BehaviorSubject <int>(10000);
subject.Subscribe(new Observer("A"));
subject.OnNext(1);
subject.OnNext(11);
subject.OnNext(111);
subject.Subscribe(new Observer("B"));
subject.OnNext(2);
subject.OnNext(3);
subject.OnCompleted();
subject.OnNext(4);
Console.ReadKey();
}
private ShellViewModel()
{
FilePath = new BehaviorSubject <string>(@"Test.mrpd");
this.WhenActivated(d =>
{
TestCommand = ReactiveCommand.Create(() =>
{
TestName = "Test";
});
(LoadFileCommand = ReactiveCommand.Create(LoadFile)).DisposeWith(d);
(UpCommand = ReactiveCommand.Create(Up, this.WhenAnyValue(s => s.SelectedNodeIndex).Select(i => i > 0))).DisposeWith(d);
(CreateNodeCommand = ReactiveCommand.Create(CreateNode)).DisposeWith(d);
(_deleteNodeCommand = ReactiveCommand.Create <string>(DeleteNode)).DisposeWith(d);
(_enterNodeCommand = ReactiveCommand.Create <string>(EnterNode)).DisposeWith(d);
(_startRenameNodeCommand = ReactiveCommand.Create <string>(StartRenameNode)).DisposeWith(d);
(_endRenameNodeCommand = ReactiveCommand.Create <(string, string)>(EndRenameNode)).DisposeWith(d);
(_deleteDataCommand = ReactiveCommand.Create <string>(DeleteData)).DisposeWith(d);
NodeNameList.Connect().ObserveOnDispatcher(DispatcherPriority.Background).Bind(out _nodeNames).Subscribe().DisposeWith(d);
NodeItemViewModelCache.Connect().Sort(SortExpressionComparer <ItemViewModelBase> .Ascending(i => i.Name)).Concat(DataItemViewModelCache.Connect().Sort(SortExpressionComparer <ItemViewModelBase> .Ascending(i => i.Name))).Bind(out _itemViewModels).Subscribe().DisposeWith(d);
this.WhenAnyValue(s => s.SelectedNodeIndex).Skip(1).Subscribe(SelectedNodeIndexChanged).DisposeWith(d);
FilePath.Subscribe(FilePathChanged).DisposeWith(d);
FilePath.Select(f => f != null).ToProperty(this, s => s.HasFile, out _hasFile).DisposeWith(d);
(SaveCommand = ReactiveCommand.Create(async() =>
{
await this.ShowProgressAsync("", "正在保存...");
})).DisposeWith(d);
});
}
static void BehaviorSubjectExample1()
{
//Need to provide a default value.
var subject = new BehaviorSubject <string>("a");
subject.Subscribe(Console.WriteLine);
}
static void BehaviorSubjectExample2()
{
var subject = new BehaviorSubject <string>("a");
subject.OnNext("b");
subject.Subscribe(Console.WriteLine);
}
public void live_values_are_sent_through_scheduler()
{
ManualScheduler scheduler = new ManualScheduler();
BehaviorSubject<int> subject = new BehaviorSubject<int>(0, scheduler);
StatsObserver<int> stats = new StatsObserver<int>();
subject.Subscribe(stats);
subject.OnNext(1);
subject.OnNext(2);
subject.OnCompleted();
Assert.IsFalse(stats.NextCalled);
scheduler.RunNext();
Assert.AreEqual(1, stats.NextCount);
Assert.IsTrue(stats.NextValues.SequenceEqual(new int[] { 0 }));
Assert.IsFalse(stats.CompletedCalled);
scheduler.RunNext();
Assert.AreEqual(2, stats.NextCount);
Assert.IsTrue(stats.NextValues.SequenceEqual(new int[] { 0, 1 }));
Assert.IsFalse(stats.CompletedCalled);
scheduler.RunNext();
Assert.AreEqual(3, stats.NextCount);
Assert.IsTrue(stats.NextValues.SequenceEqual(new int[] { 0, 1, 2 }));
Assert.IsFalse(stats.CompletedCalled);
scheduler.RunNext();
Assert.IsTrue(stats.CompletedCalled);
}
public static void BehaviorSubjectExample3()
{
var subject = new BehaviorSubject<string>("a");
subject.OnNext("b");
subject.Subscribe(Console.WriteLine);
subject.OnNext("c");
subject.OnNext("d");
}
static void Main(string[] args)
{
//Need to provide a default value.
var subject = new BehaviorSubject <string>("a");
subject.Subscribe(Console.WriteLine);
Console.Read();
}
static void Main(string[] args)
{
var subject = new BehaviorSubject <string>("a");
subject.OnNext("b");
subject.Subscribe(Console.WriteLine);
Console.Read();
}
public static void BehaviorSubjectTest()
{
using var subject = new BehaviorSubject <string>("a");
subject.OnNext("b");
subject.OnNext("c");
subject.Subscribe(Console.WriteLine);
subject.OnNext("d");
}
static ApiWrapper()
{
var req = new UnityWebRequest(HTTP_PROTOCOL + URL);
var cookie = req.GetRequestHeader("Cookie");
Cookie = new BehaviorSubject <string>(string.IsNullOrEmpty(cookie) ? "" : cookie);
Cookie.Subscribe(Debug.Log);
}
/// <inheritdoc />
protected override void Start()
{
base.Start();
CurrentCoordinate.Subscribe(_ => StartCoroutine(OnDataChangedCo()));
#if KK // hs2 ais is HScene //todo KKS full game
_isDuringHScene = "H".Equals(Scene.Instance.LoadSceneName, StringComparison.Ordinal);
#endif
}
public void Setup()
{
var subject = new BehaviorSubject <Progress>(new Progress());
reporter = new ProgressReporter(subject);
reports = new List <Progress>();
subject.Subscribe(reports.Add);
}
/// <summary>
///
/// </summary>
public override void Enable()
{
undoCommand = new VisualDelegateCommand(Undo, "Undo",
ImageFactory.GetImageThisAssembly("Images/arrow-undo-16.png"),
ImageFactory.GetImageThisAssembly("Images/arrow-undo-32.png"),
false);
redoCommand = new VisualDelegateCommand(Redo, "Redo",
ImageFactory.GetImageThisAssembly("Images/arrow-redo-16.png"),
ImageFactory.GetImageThisAssembly("Images/arrow-redo-32.png"),
false);
var group = IrAuthorShell.HomeTab.GetGroup("Clipboard");
group.AddButton(undoCommand);
group.AddButton(redoCommand);
var deleteStream = Observable.FromEventPattern <CancelEventArgs <RuleRepositoryDefBase> >(
x => RuleApplicationService.Controller.RemovingDef += x,
x => RuleApplicationService.Controller.RemovingDef -= x)
.Select(x => x.EventArgs.Item)
.Select(x => PopulateUndoHistoryItem(x, UndoDefRemoved));
var insertStream = Observable.FromEventPattern <EventArgs <RuleRepositoryDefBase> >(
x => RuleApplicationService.Controller.DefAdded += x,
x => RuleApplicationService.Controller.DefAdded -= x)
.Select(x => x.EventArgs.Item)
.Select(x => PopulateUndoHistoryItem(x, UndoDefInserted));
// add operations to the undo stack, as long as there isn't an undo currently in progress
var operationStream = deleteStream.Merge(insertStream);
var undoStream = operationStream.Where(x => !undoInProgress.Value).Do(item => LogEvent("UndoStream: {0}", item.DefToUndo.Name));
var redoStream = operationStream.Where(x => undoInProgress.Value).Do(item => LogEvent("RedoStream: {0}", item.DefToUndo.Name));
subscriptionsDisposable.Add(undoStream.Subscribe(x => undoBuffer.Push(x)));
subscriptionsDisposable.Add(redoStream.Subscribe(x => redoBuffer.Push(x)));
subscriptionsDisposable.Add(redoBuffer.ItemCount.Subscribe(x => redoCommand.IsEnabled = x > 0));
var undoActionStream = UndoClicked.Where(x => undoBuffer.Any());
subscriptionsDisposable.Add(undoActionStream.Subscribe(x =>
{
var item = undoBuffer.Pop();
PerformUndo(item);
}, exception => LogEvent(exception.ToString())));
var redoActionStream = redoSubject.Where(x => redoBuffer.Any());
subscriptionsDisposable.Add(redoActionStream.Subscribe(x =>
{
var item = redoBuffer.Pop();
item.UndoAction(item);
}));
subscriptionsDisposable.Add(undoBuffer.ItemCount.Subscribe(x => undoCommand.IsEnabled = x > 0));
subscriptionsDisposable.Add(undoInProgress.Subscribe(x => LogEvent("UndoInProgress: {0}", x)));
}
static void Example4()
{
var subject = new BehaviorSubject<string>("a");
subject.OnNext("b");
subject.OnNext("c");
subject.OnNext("d");
subject.OnCompleted();
subject.Subscribe(Console.WriteLine);
}
static void Main(string[] args)
{
var sub = new BehaviorSubject <string>("sfsrf");
sub.Subscribe(value => Console.WriteLine(value));
sub.OnNext("hello");
sub.OnNext("hiii");
Console.ReadLine();
}
public void BehaviorSubjectCompletedExample()
{
var subject = new BehaviorSubject <string>("a");
subject.OnNext("b");
subject.OnNext("c");
subject.OnCompleted();
subject.Subscribe(Console.WriteLine);
}
private static void BehaviorSubjectCompletedExample()
{
var subject = new BehaviorSubject <string>("a");
subject.OnNext("b");
subject.OnNext("c");
subject.OnCompleted();//completed before subscribe was set
subject.Subscribe(Console.WriteLine);
}
internal RedisLogger(string key, ILog log, IRedisConnectionFactory redisConnectionFactory)
{
this.key = string.Format(CultureInfo.InvariantCulture, "{0}:{1}", log.Logger.Name, key);
this.log = log;
this.messagesSubject = new ReplaySubject<Tuple<string, string>>(100, TimeSpan.FromSeconds(5));
this.retry = new BehaviorSubject<bool>(false);
var redisOnConnectionAction = new Action<Task<RedisConnection>>(task =>
{
if (task.IsCompleted && !task.IsFaulted)
{
Interlocked.CompareExchange<RedisConnection>(ref this.redisConnection, task.Result, null);
subscription = messagesSubject.TakeUntil(retry.Skip(1)).Subscribe((item) =>
{
redisConnection.Publish(item.Item1, item.Item2).ContinueWith(taskWithException =>
{
taskWithException.Exception.Handle(ex => true);
}, TaskContinuationOptions.OnlyOnFaulted);
});
}
});
var redisOnErrorAction = new Action<ErrorEventArgs>(ex =>
{
if (ex.IsFatal)
{
retry.OnNext(true);
Interlocked.Exchange<RedisConnection>(ref this.redisConnection, null);
}
});
Action subscribeAction = () =>
{
var connectionTask = redisConnectionFactory.CreateRedisConnection();
connectionTask.ContinueWith(taskConnection =>
{
if (!taskConnection.IsFaulted)
{
taskConnection.ContinueWith(redisOnConnectionAction);
taskConnection.Result.Error += (_, err) => redisOnErrorAction(err);
}
else
{
taskConnection.Exception.Handle(_ => true);
this.retry.OnNext(true);
}
});
};
retry.Subscribe(val =>
{
if (val)
Observable.Timer(TimeSpan.FromSeconds(10)).Subscribe(_ => subscribeAction());
else
subscribeAction();
});
}
public async Task StartAsync(CancellationToken cancellationToken)
{
_tokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
await InitWorker().ConfigureAwait(false);
Observable
.Generate(
_counter,
x => !_tokenSource.IsCancellationRequested,
x => _counter++,
x => x,
x => TimeSpan.FromSeconds(10),
_scheduler)
.Subscribe(
async x => await DoWork(x).ConfigureAwait(false),
ex => Logger.LogError(ex, "DoWork: Unknown exception"),
() =>
{
_mainSubscriptionCompleted = true;
Logger.LogInformation("Main Subscription completed");
},
_tokenSource.Token
);
_subject
//.TakeLast(1)
.Subscribe(
x =>
{
try
{
//if (_looker == 1)
//{
// return;
//}
Interlocked.Exchange(ref _looker, 1);
x.ForEachAsync(MaxDop, ProcessDataAsync).Wait();
}
catch (Exception ex)
{
Logger.LogError(ex, "Unknown exception");
}
Interlocked.Exchange(ref _looker, 0);
},
ex =>
{
Logger.LogError(ex, "ProcessDataAsync: Unknown exception");
},
() =>
{
_processingSubscriptionCompleted = true;
Logger.LogInformation("Processing Subscription completed");
},
_tokenSource.Token
);
}
protected internal DMLTriggerListener(Schema schema)
{
_schema = schema;
_connectionStateChangeSubject = new BehaviorSubject <ListeningConnectionState>(ListeningConnectionState.New);
_connectionStateChangeSubject.Subscribe(async state => await OnConnectionStateChanges(state));
_tokenSource = new CancellationTokenSource();
InitCommands();
}
public IDisposable Subscribe(IObserver <TModel> observer)
{
var subscription = _observable.Subscribe(observer);
return(Disposable.Create(() =>
{
subscription.Dispose();
_factory.OnStreamUnsubscribed(this);
}));
}
void Start()
{
var subject = new BehaviorSubject <int>(5);
subject.Subscribe(x => Debug.Log(x));
subject.OnNext(1);
subject.OnNext(2);
subject.OnNext(3);
}
public ActiveDownload(IConnectableObservable <DownloadProgress> downloadProgress, Action completed, string name)
{
Name = name;
LogTo.Verbose("[{download}] Created ActiveDownload", Name);
disposable.Add(downloadProgress.Subscribe(progress));
disposable.Add(downloadProgress.Connect());
disposable.Add(progress.DistinctUntilChanged(dp => dp.State).Subscribe(dp =>
LogTo.Verbose("[{download}] State changed to {state}", Name, dp.State)));
disposable.Add(progress.Subscribe(_ => { }, completed));
}
private static void Step4()
{
var subject = new BehaviorSubject <string>("x");
subject.Subscribe(s => WriteLine($"Subscriber A: {s}"), () => WriteLine("Subscriber A Completed!"));
subject.Subscribe(s => WriteLine($"Subscriber B: {s}"), () => WriteLine("Subscriber B Completed!"));
var list = Enumerable
.Range(1, 5)
.Select(i => i.ToString())
.ToList();
WriteLine("\nFirst push\n");
list.ForEach(s => subject.OnNext($"1-{s}"));
subject.Subscribe(s => WriteLine($"Subscriber C: {s}"), () => WriteLine("Subscriber C Completed!"));
WriteLine("\nSecond push\n");
list.ForEach(s => subject.OnNext($"2-{s}"));
}
public RenderGraphCollection Init()
{
if (_renderer != null)
{
_renderer.Init();
return(this);
}
_resizableDestinations.ForEach(dest => _dimensions.Subscribe(dim => dest.SetDimensions(dim.Width, dim.Height)));
_converters.ForEach(converter => converter.Init());
return(this);
}
private static void behaviourSubject()
{
ISubject <int> s = new BehaviorSubject <int>(0);
Console.WriteLine("Adding values");
s.OnNext(2);
Console.WriteLine("Adding next value");
s.OnNext(4);
s.Subscribe(Console.WriteLine);
s.OnNext(6);
}
public static void BehaviorSubject_DefaultValue()
{
var recorder = new RecordObserver();
ISubject <int> subject = new BehaviorSubject <int>(101);
subject.Subscribe(recorder);
Assert.AreEqual(1, recorder.NumOfNextInvoke);
Assert.AreEqual(101, recorder.LastValue);
Assert.IsFalse(recorder.IsCompleted);
}
public void replays_error_sequence()
{
BehaviorSubject <int> subject = new BehaviorSubject <int>(0);
StatsObserver <int> stats = new StatsObserver <int>();
subject.OnError(new Exception());
subject.Subscribe(stats);
Assert.IsTrue(stats.ErrorCalled);
}
public void BindIntents()
{
_disposables.Add(_viewState.Subscribe(state => _view.Render(state)));
_disposables.Add(
_view.SearchIntent()
.SelectMany(query => _searchUseCase.Search(query))
.SubscribeOn(TaskPoolScheduler.Default)
.ObserveOn(SynchronizationContext.Current)
.Subscribe(state => _viewState.OnNext(state))
);
}
public void replays_empty_sequence()
{
BehaviorSubject <int> subject = new BehaviorSubject <int>(0);
StatsObserver <int> stats = new StatsObserver <int>();
subject.OnCompleted();
subject.Subscribe(stats);
Assert.AreEqual(0, stats.NextCount);
Assert.IsTrue(stats.CompletedCalled);
}
public void BehaviorSubjectExample3()
{
var subject = new BehaviorSubject <string>("a");
subject.OnNext("b");
subject.Subscribe(Console.WriteLine);
subject.OnNext("c");
subject.OnNext("d");
//b
//c
//d
}
public void SubjectsTest()
{
{
int count = 0;
// 最後に発行された値をキャッシュし、後からSubscribeされたときにその値を発行
var behaviourSubject = new BehaviorSubject <int>(1);
behaviourSubject.Subscribe(num => count += num);
Assert.AreEqual(1, count, "初期値が発行されて1");
}
{
int count = 0;
// 最後に発行された値をキャッシュし、後からSubscribeされたときにその値を発行
var behaviourSubject = new BehaviorSubject <int>(1);
behaviourSubject.OnNext(2);
behaviourSubject.Subscribe(num => count += num);
Assert.AreEqual(2, count, "最後に発行された値がキャッシュされ、後のSubscribeで呼び出される");
}
{
int count = 0;
// 過去全ての発行された値をキャッシュし、あとからSubscribeされたときにその値をすべてまとめて発行する
var replaySubject = new ReplaySubject <int>();
replaySubject.OnNext(1);
replaySubject.OnNext(1);
replaySubject.Subscribe(num => count += num);
Assert.AreEqual(2, count, "過去に発行された値がすべて呼び出されて2");
}
{
int count = 0;
// OnNextを直ちに発行せずに内部でキャッシュしてOnCompletedが実行されたタイミングで、最後のOnNextを一つだけ発行する
var asyncSubject = new AsyncSubject <int>();
asyncSubject.OnNext(1);
asyncSubject.OnNext(2);
asyncSubject.OnNext(3);
asyncSubject.Subscribe(num => count += num);
Assert.AreEqual(0, count, "まだOnNextは呼びだれていないので0");
asyncSubject.OnCompleted();
Assert.AreEqual(3, count, "OnCompletedが呼び出され、最後のOnNextが一つだけ発行されて3");
}
}
private void Start()
{
//BehaviorSubjectは初期値を設定できる
behaviorSubject = new BehaviorSubject<int>(0);
/*
OnNext → Subscribe と実行し、Subscribeした瞬間に直前の値が発行されることを確認しよう
*/
// Subscribeボタンが押されたらSubjectをSubscribeしてresultTextに表示する
subscribeButton.OnClickAsObservable().Subscribe(_ =>
{
if (behaviorSubject != null)
{
behaviorSubject.Subscribe(
time => resultText.text += time.ToString() + " ", //OnNext
() => resultText.text += "OnCompleted "); //OnCompleted
}
});
// OnNextボタンが押されたら今が何度目のOnNextであるかを発行する
onNextButton.OnClickAsObservable().Subscribe(_ =>
{
if (behaviorSubject != null)
{
behaviorSubject.OnNext(++onNextCount);
}
});
// OnCompletedボタンが押されたらOnCompletedを発行する
onCompletedButton.OnClickAsObservable().Subscribe(_ =>
{
if (behaviorSubject != null)
{
behaviorSubject.OnCompleted();
}
});
// Resetボタンが押されたら全体を初期化する
resetButton.OnClickAsObservable().Subscribe(_ =>
{
if (behaviorSubject != null)
{
behaviorSubject.OnCompleted();
}
behaviorSubject = new BehaviorSubject<int>(0);
resultText.text = "";
onNextCount = 0;
});
}
public void only_replays_one_value()
{
BehaviorSubject <int> subject = new BehaviorSubject <int>(0);
StatsObserver <int> stats = new StatsObserver <int>();
subject.OnNext(1);
subject.OnNext(2);
subject.Subscribe(stats);
Assert.AreEqual(1, stats.NextCount);
Assert.IsTrue(stats.NextValues.SequenceEqual(new int[] { 2 }));
}
public void errors_are_sent_through_scheduler()
{
ManualScheduler scheduler = new ManualScheduler();
BehaviorSubject<int> subject = new BehaviorSubject<int>(0, scheduler);
StatsObserver<int> stats = new StatsObserver<int>();
subject.OnError(new Exception());
subject.Subscribe(stats);
Assert.IsFalse(stats.ErrorCalled);
scheduler.RunNext();
Assert.IsTrue(stats.ErrorCalled);
}
static void Main(string[] args)
{
var serviceClient = new JsonRestClientAsync("http://g-un--:1337/");
var responseSubject = new BehaviorSubject<Unit>(Unit.Default);
responseSubject.Subscribe(_ =>
{
serviceClient.PostAsync<ResourceResponse>(
"/async",
new ResourceRequest()
{
ResourceKey = Guid.NewGuid().ToString()
},
response =>
{
Console.WriteLine("Data received");
Console.WriteLine(response.ResourceData);
responseSubject.OnNext(Unit.Default);
},
(response, ex) =>
{
Console.WriteLine("Exception on calling service post method");
Console.WriteLine(ex);
responseSubject.OnCompleted();
});
});
Observable.Interval(TimeSpan.FromSeconds(1))
.Subscribe(_ =>
{
var newClient = new JsonRestClientAsync("http://g-un--:1337/");
newClient.PutAsync<object>(
"/async",
new ResourceRequest() { ResourceKey = Guid.NewGuid().ToString() },
response =>
{
Console.WriteLine("Put was sent!");
},
(response, exception) =>
{
Console.WriteLine(exception);
});
});
Console.ReadLine();
}
public void complete_is_sent_through_scheduler()
{
ManualScheduler scheduler = new ManualScheduler();
BehaviorSubject<int> subject = new BehaviorSubject<int>(0, scheduler);
StatsObserver<int> stats = new StatsObserver<int>();
subject.OnCompleted();
subject.Subscribe(stats);
Assert.IsFalse(stats.NextCalled);
scheduler.RunNext();
Assert.AreEqual(0, stats.NextCount);
Assert.IsTrue(stats.CompletedCalled);
}
public void BehaviorSubject()
{
// OnCompletedPattern
{
var subject = new BehaviorSubject<int>(3333);
var onNext = new List<int>();
var exception = new List<Exception>();
int onCompletedCallCount = 0;
var _ = subject.Subscribe(x => onNext.Add(x), x => exception.Add(x), () => onCompletedCallCount++);
onNext.IsCollection(3333);
subject.OnNext(1);
subject.OnNext(10);
subject.OnNext(100);
subject.OnNext(1000);
onNext.IsCollection(3333, 1, 10, 100, 1000);
// re subscription
onNext.Clear();
_.Dispose();
subject.Subscribe(x => onNext.Add(x), x => exception.Add(x), () => onCompletedCallCount++);
onNext.IsCollection(1000);
subject.OnCompleted();
onCompletedCallCount.Is(1);
subject.OnNext(1);
subject.OnNext(10);
subject.OnNext(100);
onNext.Count.Is(1);
subject.OnCompleted();
subject.OnError(new Exception());
exception.Count.Is(0);
onCompletedCallCount.Is(1);
// ++subscription
onNext.Clear();
onCompletedCallCount = 0;
subject.Subscribe(x => onNext.Add(x), x => exception.Add(x), () => onCompletedCallCount++);
onNext.Count.Is(0);
exception.Count.Is(0);
onCompletedCallCount.Is(1);
}
// OnErrorPattern
{
var subject = new BehaviorSubject<int>(3333);
var onNext = new List<int>();
var exception = new List<Exception>();
int onCompletedCallCount = 0;
subject.Subscribe(x => onNext.Add(x), x => exception.Add(x), () => onCompletedCallCount++);
subject.OnNext(1);
subject.OnNext(10);
subject.OnNext(100);
subject.OnNext(1000);
onNext.IsCollection(3333, 1, 10, 100, 1000);
subject.OnError(new Exception());
exception.Count.Is(1);
subject.OnNext(1);
subject.OnNext(10);
subject.OnNext(100);
onNext.Count.Is(5);
subject.OnCompleted();
subject.OnError(new Exception());
exception.Count.Is(1);
onCompletedCallCount.Is(0);
// ++subscription
onNext.Clear();
exception.Clear();
onCompletedCallCount = 0;
subject.Subscribe(x => onNext.Add(x), x => exception.Add(x), () => onCompletedCallCount++);
onNext.Count.Is(0);
exception.Count.Is(1);
onCompletedCallCount.Is(0);
}
}
public void HasObservers_OnError()
{
var s = new BehaviorSubject<int>(42);
Assert.IsFalse(s.HasObservers);
var d = s.Subscribe(_ => { }, ex => { });
Assert.IsTrue(s.HasObservers);
s.OnNext(42);
Assert.IsTrue(s.HasObservers);
s.OnError(new Exception());
Assert.IsFalse(s.HasObservers);
}
public void HasObservers_OnCompleted()
{
var s = new BehaviorSubject<int>(42);
Assert.IsFalse(s.HasObservers);
var d = s.Subscribe(_ => { });
Assert.IsTrue(s.HasObservers);
s.OnNext(42);
Assert.IsTrue(s.HasObservers);
s.OnCompleted();
Assert.IsFalse(s.HasObservers);
}
public void HasObservers_Dispose2()
{
var s = new BehaviorSubject<int>(42);
Assert.IsFalse(s.HasObservers);
var d = s.Subscribe(_ => { });
Assert.IsTrue(s.HasObservers);
d.Dispose();
Assert.IsFalse(s.HasObservers);
s.Dispose();
Assert.IsFalse(s.HasObservers);
}
public void HasObservers()
{
var s = new BehaviorSubject<int>(42);
Assert.IsFalse(s.HasObservers);
var d1 = s.Subscribe(_ => { });
Assert.IsTrue(s.HasObservers);
d1.Dispose();
Assert.IsFalse(s.HasObservers);
var d2 = s.Subscribe(_ => { });
Assert.IsTrue(s.HasObservers);
var d3 = s.Subscribe(_ => { });
Assert.IsTrue(s.HasObservers);
d2.Dispose();
Assert.IsTrue(s.HasObservers);
d3.Dispose();
Assert.IsFalse(s.HasObservers);
}
public static void BehaviorSubjectExample()
{
//Need to provide a default value.
var subject = new BehaviorSubject<string>("a");
subject.Subscribe(Console.WriteLine);
}
public void replays_no_values_when_errored()
{
BehaviorSubject<int> subject = new BehaviorSubject<int>(0);
StatsObserver<int> stats = new StatsObserver<int>();
subject.OnNext(1);
subject.OnNext(2);
subject.OnNext(3);
subject.OnError(new Exception());
subject.Subscribe(stats);
Assert.AreEqual(0, stats.NextCount);
Assert.IsTrue(stats.ErrorCalled);
}
public void only_replays_one_value()
{
BehaviorSubject<int> subject = new BehaviorSubject<int>(0);
StatsObserver<int> stats = new StatsObserver<int>();
subject.OnNext(1);
subject.OnNext(2);
subject.Subscribe(stats);
Assert.AreEqual(1, stats.NextCount);
Assert.IsTrue(stats.NextValues.SequenceEqual(new int[] { 2 }));
}
public void replays_no_values_when_complete()
{
BehaviorSubject<int> subject = new BehaviorSubject<int>(0);
StatsObserver<int> stats = new StatsObserver<int>();
subject.OnNext(1);
subject.OnNext(2);
subject.OnNext(3);
subject.OnCompleted();
subject.Subscribe(stats);
Assert.AreEqual(0, stats.NextCount);
Assert.IsTrue(stats.CompletedCalled);
}
public void replays_empty_sequence()
{
BehaviorSubject<int> subject = new BehaviorSubject<int>(0);
StatsObserver<int> stats = new StatsObserver<int>();
subject.OnCompleted();
subject.Subscribe(stats);
Assert.AreEqual(0, stats.NextCount);
Assert.IsTrue(stats.CompletedCalled);
}
public void replays_error_sequence()
{
BehaviorSubject<int> subject = new BehaviorSubject<int>(0);
StatsObserver<int> stats = new StatsObserver<int>();
subject.OnError(new Exception());
subject.Subscribe(stats);
Assert.IsTrue(stats.ErrorCalled);
}
static void Example1()
{
var subject = new BehaviorSubject<string>("a");
subject.Subscribe(Console.WriteLine);
}
public void sends_live_values_after_replay()
{
BehaviorSubject<int> subject = new BehaviorSubject<int>(0);
StatsObserver<int> stats = new StatsObserver<int>();
subject.OnNext(1);
subject.OnNext(2);
subject.Subscribe(stats);
subject.OnNext(3);
subject.OnCompleted();
Assert.AreEqual(2, stats.NextCount);
Assert.IsTrue(stats.NextValues.SequenceEqual(new int[] { 2, 3 }));
Assert.IsTrue(stats.CompletedCalled);
}