public void Catch_TailRecursive3()
{
var ex = new Exception();
var res =
Observable.Catch(
Observable.Defer(() =>
{
if (ex != null)
{
throw ex;
}
return(Observable.Return(-2));
}),
Observable.Defer(() =>
{
if (ex != null)
{
throw ex;
}
return(Observable.Return(-1));
}),
Observable.Return(42)
);
Assert.Equal(42, res.Wait());
}
public void Catch_ArgumentChecking()
{
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Catch <int>((IObservable <int>[])null));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Catch <int>((IEnumerable <IObservable <int> >)null));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Catch <int>(DummyObservable <int> .Instance, null));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Catch <int>((IObservable <int>)null, DummyObservable <int> .Instance));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Catch <int, Exception>(null, _ => DummyObservable <int> .Instance));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Catch <int, Exception>(DummyObservable <int> .Instance, null));
}
public static IObservable <T> LoggedCatch <T>(this IObservable <T> This, LogLevel level = LogLevel.Warn, IObservable <T> next = null, string message = null)
{
next = next ?? Observable.Return <T>(default(T));
return(Observable.Catch <T, Exception>(This, ex =>
{
_log.Write(level, message ?? "", ex);
return next;
}));
}
void Start()
{
// 接続先情報を取得する
_getRoomButton.OnClickAsObservable()
.ThrottleFirst(TimeSpan.FromSeconds(2))
.Subscribe(_ =>
{
// ユーザ生放送のAPIを先に実行し、失敗したら公式側のAPIを叩く
Observable.Catch(new[]
{
_manager.NicoliveApiClient.GetProgramInfoAsync().Select(x => x.Rooms.Select(r => r.CommentServerInfo)),
}).Subscribe(comments =>
{
_commentServerInfos.Value = comments.ToArray();
}, ex => _commentServerInfos.Value = new CommentServerInfo[0]);
});
//部屋数が更新されたらUIへ反映する
_commentServerInfos
.Where(x => x != null)
.Select(x => x.Length)
.DistinctUntilChanged()
.Subscribe(x =>
{
//接続していない かつ 部屋数が1以上のときのみ接続できる
_connectButton.interactable = !_isConnected.Value && x > 0;
_roomCountText.text = string.Format("現在の部屋数:{0}", x);
});
//接続状態が更新されたらボタンに反映する
_isConnected.Subscribe(x =>
{
_connectButton.interactable = !x && _manager.CurrentRooms.Count > 0;
_disconnectButton.interactable = x;
});
//コメントサーバに接続
_connectButton.OnClickAsObservable()
.Subscribe(_ =>
{
Connect();
_isConnected.Value = true;
});
//コメントサーバから切断
_disconnectButton.OnClickAsObservable()
.Subscribe(_ =>
{
Disconnect();
_isConnected.Value = false;
});
//GameObjectが破棄されたら切断する
this.OnDestroyAsObservable()
.Subscribe(_ => Disconnect());
}
public void Bug_1297_Catch_None()
{
var scheduler = new TestScheduler();
var results = scheduler.Run(() => Observable.Catch <int>(scheduler));
results.AssertEqual(
OnCompleted <int>(201)
);
}
public void Catch_IEofIO()
{
var scheduler = new TestScheduler();
var xs1 = scheduler.CreateColdObservable <int>(
OnNext(10, 1),
OnNext(20, 2),
OnNext(30, 3),
OnError <int>(40, new Exception())
);
var xs2 = scheduler.CreateColdObservable <int>(
OnNext(10, 4),
OnNext(20, 5),
OnError <int>(30, new Exception())
);
var xs3 = scheduler.CreateColdObservable <int>(
OnNext(10, 6),
OnNext(20, 7),
OnNext(30, 8),
OnNext(40, 9),
OnCompleted <int>(50)
);
var res = scheduler.Start(() =>
Observable.Catch(new[] { xs1, xs2, xs3 })
);
res.Messages.AssertEqual(
OnNext(210, 1),
OnNext(220, 2),
OnNext(230, 3),
OnNext(250, 4),
OnNext(260, 5),
OnNext(280, 6),
OnNext(290, 7),
OnNext(300, 8),
OnNext(310, 9),
OnCompleted <int>(320)
);
xs1.Subscriptions.AssertEqual(
Subscribe(200, 240)
);
xs2.Subscriptions.AssertEqual(
Subscribe(240, 270)
);
xs3.Subscriptions.AssertEqual(
Subscribe(270, 320)
);
}
public void Catch_EmptyIterator()
{
var scheduler = new TestScheduler();
var res = scheduler.Start(() =>
Observable.Catch <int>((IEnumerable <IObservable <int> >) new IObservable <int> [0])
);
res.Messages.AssertEqual(
OnCompleted <int>(200)
);
}
public void Bug_1297_Catch_None()
{
var scheduler = new TestScheduler();
var results = scheduler.Start(() =>
Observable.Catch <int>()
);
results.Messages.AssertEqual(
OnCompleted <int>(200)
);
}
public void Bug_1297_Catch_Single()
{
var scheduler = new TestScheduler();
var xs = Observable.Throw <int>(new MockException(1), scheduler);
var results = scheduler.Run(() => Observable.Catch(scheduler, xs));
results.AssertEqual(
OnError <int>(203, new MockException(1))
);
}
public void Catch_IteratorThrows()
{
var scheduler = new TestScheduler();
var ex = new Exception();
var res = scheduler.Start(() =>
Observable.Catch <int>(Catch_IteratorThrows_Source(ex, true))
);
res.Messages.AssertEqual(
OnError <int>(200, ex)
);
}
public void Bug_1297_Catch_Multi()
{
var scheduler = new TestScheduler();
var xs = Observable.Throw <int>(new MockException(1), scheduler);
var ys = Observable.Throw <int>(new MockException(2), scheduler);
var zs = Observable.Throw <int>(new MockException(3), scheduler);
var results = scheduler.Run(() => Observable.Catch(scheduler, xs, ys, zs));
results.AssertEqual(
OnError <int>(207, new MockException(3))
);
}
public void Catch_DefaultScheduler_Nary()
{
var evt = new ManualResetEvent(false);
int res = 0;
Observable.Catch(Observable.Return(1), Observable.Return(2), Observable.Return(3)).Subscribe(x =>
{
res = x;
evt.Set();
});
evt.WaitOne();
Assert.Equal(1, res);
}
public void Catch_IEofIO_GetEnumeratorThrows()
{
var ex = new Exception();
var scheduler = new TestScheduler();
var xss = new RogueEnumerable <IObservable <int> >(ex);
var res = scheduler.Start(() =>
Observable.Catch(xss)
);
res.Messages.AssertEqual(
OnError <int>(200, ex)
);
}
public void Bug_1297_Catch_Single()
{
var scheduler = new TestScheduler();
var ex = new Exception();
var xs = Observable.Throw <int>(ex, scheduler);
var results = scheduler.Start(() =>
Observable.Catch(xs)
);
results.Messages.AssertEqual(
OnError <int>(201, ex)
);
}
public void Catch_DefaultScheduler_NaryEnumerable()
{
var evt = new ManualResetEvent(false);
IEnumerable <IObservable <int> > sources = new[] { Observable.Return(1), Observable.Return(2), Observable.Return(3) };
int res = 0;
Observable.Catch(sources).Subscribe(x =>
{
res = x;
evt.Set();
});
evt.WaitOne();
Assert.Equal(1, res);
}
public void Catch_Multiple()
{
var scheduler = new TestScheduler();
var ex = new Exception();
var o1 = scheduler.CreateHotObservable(
OnNext(150, 1),
OnNext(210, 2),
OnError <int>(215, ex)
);
var o2 = scheduler.CreateHotObservable(
OnNext(220, 3),
OnError <int>(225, ex)
);
var o3 = scheduler.CreateHotObservable(
OnNext(230, 4),
OnCompleted <int>(235)
);
var res = scheduler.Start(() =>
Observable.Catch(o1, o2, o3)
);
res.Messages.AssertEqual(
OnNext(210, 2),
OnNext(220, 3),
OnNext(230, 4),
OnCompleted <int>(235)
);
o1.Subscriptions.AssertEqual(
Subscribe(200, 215)
);
o2.Subscriptions.AssertEqual(
Subscribe(215, 225)
);
o3.Subscriptions.AssertEqual(
Subscribe(225, 235)
);
}
public void Bug_1297_Catch_Multi()
{
var scheduler = new TestScheduler();
var ex1 = new Exception();
var ex2 = new Exception();
var ex3 = new Exception();
var xs = Observable.Throw <int>(ex1, scheduler);
var ys = Observable.Throw <int>(ex2, scheduler);
var zs = Observable.Throw <int>(ex3, scheduler);
var results = scheduler.Start(() =>
Observable.Catch(xs, ys, zs)
);
results.Messages.AssertEqual(
OnError <int>(203, ex3)
);
}
/// <summary>
/// Continues an observable sequence that is terminated by an exception with
/// the next observable sequence.
/// </summary>
/// <typeparam name="TSource">The type of the elements in the source and handler sequences.</typeparam>
/// <param name="sources">The observable sequences to catch exceptions for.</param>
/// <returns>
/// An observable sequence containing elements from consecutive source sequences
/// until a source sequence terminates successfully.
/// </returns>
public IObservable <TSource> Process <TSource>(params IObservable <TSource>[] sources)
{
return(Observable.Catch(sources));
}
