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- // Licensed to the .NET Foundation under one or more agreements.
- // The .NET Foundation licenses this file to you under the Apache 2.0 License.
- // See the LICENSE file in the project root for more information.
- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Reactive;
- using System.Reactive.Concurrency;
- using System.Reactive.Linq;
- using System.Reactive.Subjects;
- using System.Threading;
- using System.Threading.Tasks;
- using Microsoft.Reactive.Testing;
- using ReactiveTests.Dummies;
- using Xunit;
- namespace ReactiveTests.Tests
- {
- public class MergeTest : ReactiveTest
- {
- [Fact]
- public void Merge_ArgumentChecking()
- {
- var xs = DummyObservable<int>.Instance;
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge(default(IScheduler), xs, xs));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge(xs, xs, default(IScheduler)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge(xs, null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge(default(IObservable<int>), xs));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge((IObservable<int>[])null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge((IEnumerable<IObservable<int>>)null));
- ReactiveAssert.Throws<ArgumentNullException>(() => ((IObservable<int>)null).Merge(xs, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => xs.Merge(default, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge((IEnumerable<IObservable<int>>)null, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge(new IObservable<int>[0], default(IScheduler)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge((IObservable<IObservable<int>>)null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge(DummyScheduler.Instance, (IObservable<int>[])null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge((IObservable<Task<int>>)null));
- }
- [Fact]
- public void Merge_DefaultScheduler()
- {
- var xs = Observable.Merge(Observable.Return(42), Observable.Return(43), Observable.Return(44));
- var res = xs.ToList().Single();
- Assert.True(new[] { 42, 43, 44 }.SequenceEqual(res));
- }
- [Fact]
- public void Merge_Never2()
- {
- var scheduler = new TestScheduler();
- var n1 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var n2 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, n1, n2)
- );
- res.Messages.AssertEqual(
- );
- n1.Subscriptions.AssertEqual(
- Subscribe(201, 1000)
- );
- n2.Subscriptions.AssertEqual(
- Subscribe(202, 1000)
- );
- }
- [Fact]
- public void Merge_Never3()
- {
- var scheduler = new TestScheduler();
- var n1 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var n2 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var n3 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, n1, n2, n3)
- );
- res.Messages.AssertEqual(
- );
- n1.Subscriptions.AssertEqual(
- Subscribe(201, 1000)
- );
- n2.Subscriptions.AssertEqual(
- Subscribe(202, 1000)
- );
- n3.Subscriptions.AssertEqual(
- Subscribe(203, 1000)
- );
- }
- [Fact]
- public void Merge_Empty2()
- {
- var scheduler = new TestScheduler();
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(210)
- );
- var e2 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(230)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, e1, e2)
- );
- res.Messages.AssertEqual(
- OnCompleted<int>(230)
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(201, 210)
- );
- e2.Subscriptions.AssertEqual(
- Subscribe(202, 230)
- );
- }
- [Fact]
- public void Merge_Empty3()
- {
- var scheduler = new TestScheduler();
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(210)
- );
- var e2 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(230)
- );
- var e3 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(240)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, e1, e2, e3)
- );
- res.Messages.AssertEqual(
- OnCompleted<int>(240)
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(201, 210)
- );
- e2.Subscriptions.AssertEqual(
- Subscribe(202, 230)
- );
- e3.Subscriptions.AssertEqual(
- Subscribe(203, 240)
- );
- }
- [Fact]
- public void Merge_EmptyDelayed2_RightLast()
- {
- var scheduler = new TestScheduler();
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(240)
- );
- var e2 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(250)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, e1, e2)
- );
- res.Messages.AssertEqual(
- OnCompleted<int>(250)
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(201, 240)
- );
- e2.Subscriptions.AssertEqual(
- Subscribe(202, 250)
- );
- }
- [Fact]
- public void Merge_EmptyDelayed2_LeftLast()
- {
- var scheduler = new TestScheduler();
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(250)
- );
- var e2 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(240)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, e1, e2)
- );
- res.Messages.AssertEqual(
- OnCompleted<int>(250)
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(201, 250)
- );
- e2.Subscriptions.AssertEqual(
- Subscribe(202, 240)
- );
- }
- [Fact]
- public void Merge_EmptyDelayed3_MiddleLast()
- {
- var scheduler = new TestScheduler();
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(245)
- );
- var e2 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(250)
- );
- var e3 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(240)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, e1, e2, e3)
- );
- res.Messages.AssertEqual(
- OnCompleted<int>(250)
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(201, 245)
- );
- e2.Subscriptions.AssertEqual(
- Subscribe(202, 250)
- );
- e3.Subscriptions.AssertEqual(
- Subscribe(203, 240)
- );
- }
- [Fact]
- public void Merge_EmptyNever()
- {
- var scheduler = new TestScheduler();
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(245)
- );
- var n1 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, e1, n1)
- );
- res.Messages.AssertEqual(
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(201, 245)
- );
- n1.Subscriptions.AssertEqual(
- Subscribe(202, 1000)
- );
- }
- [Fact]
- public void Merge_NeverEmpty()
- {
- var scheduler = new TestScheduler();
- var n1 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(245)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, n1, e1)
- );
- res.Messages.AssertEqual(
- );
- n1.Subscriptions.AssertEqual(
- Subscribe(201, 1000)
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(202, 245)
- );
- }
- [Fact]
- public void Merge_ReturnNever()
- {
- var scheduler = new TestScheduler();
- var r1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnCompleted<int>(245)
- );
- var n1 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, r1, n1)
- );
- res.Messages.AssertEqual(
- OnNext(210, 2)
- );
- r1.Subscriptions.AssertEqual(
- Subscribe(201, 245)
- );
- n1.Subscriptions.AssertEqual(
- Subscribe(202, 1000)
- );
- }
- [Fact]
- public void Merge_NeverReturn()
- {
- var scheduler = new TestScheduler();
- var n1 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var r1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnCompleted<int>(245)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, n1, r1)
- );
- res.Messages.AssertEqual(
- OnNext(210, 2)
- );
- n1.Subscriptions.AssertEqual(
- Subscribe(201, 1000)
- );
- r1.Subscriptions.AssertEqual(
- Subscribe(202, 245)
- );
- }
- [Fact]
- public void Merge_ErrorNever()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnError<int>(245, ex)
- );
- var n1 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, e1, n1)
- );
- res.Messages.AssertEqual(
- OnNext(210, 2),
- OnError<int>(245, ex)
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(201, 245)
- );
- n1.Subscriptions.AssertEqual(
- Subscribe(202, 245)
- );
- }
- [Fact]
- public void Merge_NeverError()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var n1 = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnError<int>(245, ex)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, n1, e1)
- );
- res.Messages.AssertEqual(
- OnNext(210, 2),
- OnError<int>(245, ex)
- );
- n1.Subscriptions.AssertEqual(
- Subscribe(201, 245)
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(202, 245)
- );
- }
- [Fact]
- public void Merge_EmptyReturn()
- {
- var scheduler = new TestScheduler();
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(245)
- );
- var r1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnCompleted<int>(250)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, e1, r1)
- );
- res.Messages.AssertEqual(
- OnNext(210, 2),
- OnCompleted<int>(250)
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(201, 245)
- );
- r1.Subscriptions.AssertEqual(
- Subscribe(202, 250)
- );
- }
- [Fact]
- public void Merge_ReturnEmpty()
- {
- var scheduler = new TestScheduler();
- var r1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnCompleted<int>(250)
- );
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(245)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, r1, e1)
- );
- res.Messages.AssertEqual(
- OnNext(210, 2),
- OnCompleted<int>(250)
- );
- r1.Subscriptions.AssertEqual(
- Subscribe(201, 250)
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(202, 245)
- );
- }
- [Fact]
- public void Merge_Lots2()
- {
- var scheduler = new TestScheduler();
- var o1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(220, 4),
- OnNext(230, 6),
- OnNext(240, 8),
- OnCompleted<int>(245)
- );
- var o2 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(215, 3),
- OnNext(225, 5),
- OnNext(235, 7),
- OnNext(245, 9),
- OnCompleted<int>(250)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(scheduler, o1, o2)
- );
- res.Messages.AssertEqual(
- OnNext(210, 2),
- OnNext(215, 3),
- OnNext(220, 4),
- OnNext(225, 5),
- OnNext(230, 6),
- OnNext(235, 7),
- OnNext(240, 8),
- OnNext(245, 9),
- OnCompleted<int>(250)
- );
- o1.Subscriptions.AssertEqual(
- Subscribe(201, 245)
- );
- o2.Subscriptions.AssertEqual(
- Subscribe(202, 250)
- );
- }
- [Fact]
- public void Merge_Lots3()
- {
- var scheduler = new TestScheduler();
- var o1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(225, 5),
- OnNext(240, 8),
- OnCompleted<int>(245)
- );
- var o2 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(215, 3),
- OnNext(230, 6),
- OnNext(245, 9),
- OnCompleted<int>(250)
- );
- var o3 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(220, 4),
- OnNext(235, 7),
- OnCompleted<int>(240)
- );
- var res = scheduler.Start(() =>
- new[] { o1, o2, o3 }.Merge(scheduler)
- );
- res.Messages.AssertEqual(
- OnNext(210, 2),
- OnNext(215, 3),
- OnNext(220, 4),
- OnNext(225, 5),
- OnNext(230, 6),
- OnNext(235, 7),
- OnNext(240, 8),
- OnNext(245, 9),
- OnCompleted<int>(250)
- );
- o1.Subscriptions.AssertEqual(
- Subscribe(201, 245)
- );
- o2.Subscriptions.AssertEqual(
- Subscribe(202, 250)
- );
- o3.Subscriptions.AssertEqual(
- Subscribe(203, 240)
- );
- }
- [Fact]
- public void Merge_LotsMore()
- {
- var inputs = new List<List<Recorded<Notification<int>>>>();
- const int N = 10;
- for (var i = 0; i < N; i++)
- {
- var lst = new List<Recorded<Notification<int>>> { OnNext(150, 1) };
- inputs.Add(lst);
- var start = (ushort)(301 + i);
- for (var j = 0; j < i; j++)
- {
- var onNext = OnNext(start += (ushort)(j * 5), j + i + 2);
- lst.Add(onNext);
- }
- lst.Add(OnCompleted<int>((ushort)(start + N - i)));
- }
- var inputsFlat = inputs.Aggregate((l, r) => l.Concat(r).ToList()).ToArray();
- var resOnNext = (from n in inputsFlat
- where n.Time >= 200
- where n.Value.Kind == NotificationKind.OnNext
- orderby n.Time
- select n).ToList();
- var lastCompleted = (from n in inputsFlat
- where n.Time >= 200
- where n.Value.Kind == NotificationKind.OnCompleted
- orderby n.Time descending
- select n).First();
- var scheduler = new TestScheduler();
- // Last ToArray: got to create the hot observables *now*
- var xss = inputs.Select(lst => (IObservable<int>)scheduler.CreateHotObservable(lst.ToArray())).ToArray();
- var res = scheduler.Start(() =>
- xss.Merge(scheduler)
- );
- Assert.True(resOnNext.Count + 1 == res.Messages.Count, "length");
- for (var i = 0; i < resOnNext.Count; i++)
- {
- var msg = res.Messages[i];
- Assert.True(msg.Time == resOnNext[i].Time);
- Assert.True(msg.Value.Kind == NotificationKind.OnNext);
- Assert.True(msg.Value.Value == resOnNext[i].Value.Value);
- }
- Assert.True(res.Messages[resOnNext.Count].Value.Kind == NotificationKind.OnCompleted && res.Messages[resOnNext.Count].Time == lastCompleted.Time, "complete");
- }
- [Fact]
- public void Merge_ErrorLeft()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var o1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnError<int>(245, ex)
- );
- var o2 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(215, 3),
- OnCompleted<int>(250)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(o1, o2, scheduler)
- );
- res.Messages.AssertEqual(
- OnNext(210, 2),
- OnNext(215, 3),
- OnError<int>(245, ex)
- );
- o1.Subscriptions.AssertEqual(
- Subscribe(201, 245)
- );
- o2.Subscriptions.AssertEqual(
- Subscribe(202, 245)
- );
- }
- [Fact]
- public void Merge_ErrorCausesDisposal()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var e1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnError<int>(210, ex) //!
- );
- var o1 = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(220, 1), // should not come
- OnCompleted<int>(230)
- );
- var res = scheduler.Start(() =>
- Observable.Merge(e1, o1, scheduler)
- );
- res.Messages.AssertEqual(
- OnError<int>(210, ex) //!
- );
- e1.Subscriptions.AssertEqual(
- Subscribe(201, 210)
- );
- o1.Subscriptions.AssertEqual(
- Subscribe(202, 210)
- );
- }
- [Fact]
- public void Merge_ObservableOfObservable_Data()
- {
- var scheduler = new TestScheduler();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(10, 101),
- OnNext(20, 102),
- OnNext(110, 103),
- OnNext(120, 104),
- OnNext(210, 105),
- OnNext(220, 106),
- OnCompleted<int>(230)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(10, 201),
- OnNext(20, 202),
- OnNext(30, 203),
- OnNext(40, 204),
- OnCompleted<int>(50)
- );
- var ys3 = scheduler.CreateColdObservable(
- OnNext(10, 301),
- OnNext(20, 302),
- OnNext(30, 303),
- OnNext(40, 304),
- OnNext(120, 305),
- OnCompleted<int>(150)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(300, ys1),
- OnNext<IObservable<int>>(400, ys2),
- OnNext<IObservable<int>>(500, ys3),
- OnCompleted<IObservable<int>>(600)
- );
- var res = scheduler.Start(() =>
- xs.Merge()
- );
- res.Messages.AssertEqual(
- OnNext(310, 101),
- OnNext(320, 102),
- OnNext(410, 103),
- OnNext(410, 201),
- OnNext(420, 104),
- OnNext(420, 202),
- OnNext(430, 203),
- OnNext(440, 204),
- OnNext(510, 105),
- OnNext(510, 301),
- OnNext(520, 106),
- OnNext(520, 302),
- OnNext(530, 303),
- OnNext(540, 304),
- OnNext(620, 305),
- OnCompleted<int>(650)
- );
- #if !NO_PERF
- // BREAKING CHANGE v2 > v1.x -> More aggressive disposal behavior
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 600)
- );
- #else
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 650)
- );
- #endif
- ys1.Subscriptions.AssertEqual(
- Subscribe(300, 530)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(400, 450)
- );
- ys3.Subscriptions.AssertEqual(
- Subscribe(500, 650)
- );
- }
- [Fact]
- public void Merge_ObservableOfObservable_Data_NonOverlapped()
- {
- var scheduler = new TestScheduler();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(10, 101),
- OnNext(20, 102),
- OnCompleted<int>(230)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(10, 201),
- OnNext(20, 202),
- OnNext(30, 203),
- OnNext(40, 204),
- OnCompleted<int>(50)
- );
- var ys3 = scheduler.CreateColdObservable(
- OnNext(10, 301),
- OnNext(20, 302),
- OnNext(30, 303),
- OnNext(40, 304),
- OnCompleted<int>(50)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(300, ys1),
- OnNext<IObservable<int>>(400, ys2),
- OnNext<IObservable<int>>(500, ys3),
- OnCompleted<IObservable<int>>(600)
- );
- var res = scheduler.Start(() =>
- xs.Merge()
- );
- res.Messages.AssertEqual(
- OnNext(310, 101),
- OnNext(320, 102),
- OnNext(410, 201),
- OnNext(420, 202),
- OnNext(430, 203),
- OnNext(440, 204),
- OnNext(510, 301),
- OnNext(520, 302),
- OnNext(530, 303),
- OnNext(540, 304),
- OnCompleted<int>(600)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 600)
- );
- ys1.Subscriptions.AssertEqual(
- Subscribe(300, 530)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(400, 450)
- );
- ys3.Subscriptions.AssertEqual(
- Subscribe(500, 550)
- );
- }
- [Fact]
- public void Merge_ObservableOfObservable_InnerThrows()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(10, 101),
- OnNext(20, 102),
- OnNext(110, 103),
- OnNext(120, 104),
- OnNext(210, 105),
- OnNext(220, 106),
- OnCompleted<int>(230)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(10, 201),
- OnNext(20, 202),
- OnNext(30, 203),
- OnNext(40, 204),
- OnError<int>(50, ex)
- );
- var ys3 = scheduler.CreateColdObservable(
- OnNext(10, 301),
- OnNext(20, 302),
- OnNext(30, 303),
- OnNext(40, 304),
- OnCompleted<int>(150)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(300, ys1),
- OnNext<IObservable<int>>(400, ys2),
- OnNext<IObservable<int>>(500, ys3),
- OnCompleted<IObservable<int>>(600)
- );
- var res = scheduler.Start(() =>
- xs.Merge()
- );
- res.Messages.AssertEqual(
- OnNext(310, 101),
- OnNext(320, 102),
- OnNext(410, 103),
- OnNext(410, 201),
- OnNext(420, 104),
- OnNext(420, 202),
- OnNext(430, 203),
- OnNext(440, 204),
- OnError<int>(450, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 450)
- );
- ys1.Subscriptions.AssertEqual(
- Subscribe(300, 450)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(400, 450)
- );
- ys3.Subscriptions.AssertEqual(
- );
- }
- [Fact]
- public void Merge_ObservableOfObservable_OuterThrows()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(10, 101),
- OnNext(20, 102),
- OnNext(110, 103),
- OnNext(120, 104),
- OnNext(210, 105),
- OnNext(220, 106),
- OnCompleted<int>(230)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(10, 201),
- OnNext(20, 202),
- OnNext(30, 203),
- OnNext(40, 204),
- OnCompleted<int>(50)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(300, ys1),
- OnNext<IObservable<int>>(400, ys2),
- OnError<IObservable<int>>(500, ex)
- );
- var res = scheduler.Start(() =>
- xs.Merge()
- );
- res.Messages.AssertEqual(
- OnNext(310, 101),
- OnNext(320, 102),
- OnNext(410, 103),
- OnNext(410, 201),
- OnNext(420, 104),
- OnNext(420, 202),
- OnNext(430, 203),
- OnNext(440, 204),
- OnError<int>(500, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 500)
- );
- ys1.Subscriptions.AssertEqual(
- Subscribe(300, 500)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(400, 450)
- );
- }
- [Fact]
- public void Merge_Binary_DefaultScheduler()
- {
- Assert.True(Observable.Return(1).Merge(Observable.Return(2)).ToEnumerable().OrderBy(x => x).SequenceEqual(new[] { 1, 2 }));
- }
- [Fact]
- public void Merge_Params_DefaultScheduler()
- {
- Assert.True(Observable.Merge(Observable.Return(1), Observable.Return(2)).ToEnumerable().OrderBy(x => x).SequenceEqual(new[] { 1, 2 }));
- }
- [Fact]
- public void Merge_IEnumerableOfIObservable_DefaultScheduler()
- {
- Assert.True(Observable.Merge((IEnumerable<IObservable<int>>)new[] { Observable.Return(1), Observable.Return(2) }).ToEnumerable().OrderBy(x => x).SequenceEqual(new[] { 1, 2 }));
- }
- [Fact]
- public void MergeConcat_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge(default(IEnumerable<IObservable<int>>), 1, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentOutOfRangeException>(() => Observable.Merge(DummyEnumerable<IObservable<int>>.Instance, 0, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge(DummyEnumerable<IObservable<int>>.Instance, 1, null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge(default(IEnumerable<IObservable<int>>), 1));
- ReactiveAssert.Throws<ArgumentOutOfRangeException>(() => Observable.Merge(DummyEnumerable<IObservable<int>>.Instance, 0));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Merge(default(IObservable<IObservable<int>>), 1));
- ReactiveAssert.Throws<ArgumentOutOfRangeException>(() => Observable.Merge(DummyObservable<IObservable<int>>.Instance, 0));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Concat(default(IObservable<IObservable<int>>)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Concat(default(IObservable<Task<int>>)));
- }
- [Fact]
- public void MergeConcat_Enumerable_Scheduler()
- {
- var b = Enumerable.Range(1, 3).Select(x => Observable.Range(x * 10, 3)).Merge(1)
- .SequenceEqual(new[] { 10, 11, 12, 20, 21, 22, 30, 31, 32 }.ToObservable())
- .First();
- Assert.True(b);
- }
- [Fact]
- public void MergeConcat_Enumerable()
- {
- var b = Enumerable.Range(1, 3).Select(x => Observable.Range(x * 10, 3)).Merge(1, DefaultScheduler.Instance)
- .SequenceEqual(new[] { 10, 11, 12, 20, 21, 22, 30, 31, 32 }.ToObservable())
- .First();
- Assert.True(b);
- }
- [Fact]
- public void MergeConcat_Default()
- {
- var b = Observable.Range(1, 3).Select(x => Observable.Range(x * 10, 3)).Concat()
- .SequenceEqual(new[] { 10, 11, 12, 20, 21, 22, 30, 31, 32 }.ToObservable())
- .First();
- Assert.True(b);
- }
- [Fact]
- public void MergeConcat_Basic()
- {
- var scheduler = new TestScheduler();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(50, 1),
- OnNext(100, 2),
- OnNext(120, 3),
- OnCompleted<int>(140)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(20, 4),
- OnNext(70, 5),
- OnCompleted<int>(200)
- );
- var ys3 = scheduler.CreateColdObservable(
- OnNext(10, 6),
- OnNext(90, 7),
- OnNext(110, 8),
- OnCompleted<int>(130)
- );
- var ys4 = scheduler.CreateColdObservable(
- OnNext(210, 9),
- OnNext(240, 10),
- OnCompleted<int>(300)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(210, ys1),
- OnNext<IObservable<int>>(260, ys2),
- OnNext<IObservable<int>>(270, ys3),
- OnNext<IObservable<int>>(320, ys4),
- OnCompleted<IObservable<int>>(400)
- );
- var res = scheduler.Start(() =>
- xs.Merge(2)
- );
- res.Messages.AssertEqual(
- OnNext(260, 1),
- OnNext(280, 4),
- OnNext(310, 2),
- OnNext(330, 3),
- OnNext(330, 5),
- OnNext(360, 6),
- OnNext(440, 7),
- OnNext(460, 8),
- OnNext(670, 9),
- OnNext(700, 10),
- OnCompleted<int>(760)
- );
- #if !NO_PERF
- // BREAKING CHANGE v2 > v1.x -> More aggressive disposal behavior
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 400)
- );
- #else
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 760)
- );
- #endif
- ys1.Subscriptions.AssertEqual(
- Subscribe(210, 350)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(260, 460)
- );
- ys3.Subscriptions.AssertEqual(
- Subscribe(350, 480)
- );
- ys4.Subscriptions.AssertEqual(
- Subscribe(460, 760)
- );
- }
- [Fact]
- public void MergeConcat_Basic_Long()
- {
- var scheduler = new TestScheduler();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(50, 1),
- OnNext(100, 2),
- OnNext(120, 3),
- OnCompleted<int>(140)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(20, 4),
- OnNext(70, 5),
- OnCompleted<int>(300)
- );
- var ys3 = scheduler.CreateColdObservable(
- OnNext(10, 6),
- OnNext(90, 7),
- OnNext(110, 8),
- OnCompleted<int>(130)
- );
- var ys4 = scheduler.CreateColdObservable(
- OnNext(210, 9),
- OnNext(240, 10),
- OnCompleted<int>(300)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(210, ys1),
- OnNext<IObservable<int>>(260, ys2),
- OnNext<IObservable<int>>(270, ys3),
- OnNext<IObservable<int>>(320, ys4),
- OnCompleted<IObservable<int>>(400)
- );
- var res = scheduler.Start(() =>
- xs.Merge(2)
- );
- res.Messages.AssertEqual(
- OnNext(260, 1),
- OnNext(280, 4),
- OnNext(310, 2),
- OnNext(330, 3),
- OnNext(330, 5),
- OnNext(360, 6),
- OnNext(440, 7),
- OnNext(460, 8),
- OnNext(690, 9),
- OnNext(720, 10),
- OnCompleted<int>(780)
- );
- #if !NO_PERF
- // BREAKING CHANGE v2 > v1.x -> More aggressive disposal behavior
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 400)
- );
- #else
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 780)
- );
- #endif
- ys1.Subscriptions.AssertEqual(
- Subscribe(210, 350)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(260, 560)
- );
- ys3.Subscriptions.AssertEqual(
- Subscribe(350, 480)
- );
- ys4.Subscriptions.AssertEqual(
- Subscribe(480, 780)
- );
- }
- [Fact]
- public void MergeConcat_Basic_Wide()
- {
- var scheduler = new TestScheduler();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(50, 1),
- OnNext(100, 2),
- OnNext(120, 3),
- OnCompleted<int>(140)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(20, 4),
- OnNext(70, 5),
- OnCompleted<int>(300)
- );
- var ys3 = scheduler.CreateColdObservable(
- OnNext(10, 6),
- OnNext(90, 7),
- OnNext(110, 8),
- OnCompleted<int>(130)
- );
- var ys4 = scheduler.CreateColdObservable(
- OnNext(210, 9),
- OnNext(240, 10),
- OnCompleted<int>(300)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(210, ys1),
- OnNext<IObservable<int>>(260, ys2),
- OnNext<IObservable<int>>(270, ys3),
- OnNext<IObservable<int>>(420, ys4),
- OnCompleted<IObservable<int>>(450)
- );
- var res = scheduler.Start(() =>
- xs.Merge(3)
- );
- res.Messages.AssertEqual(
- OnNext(260, 1),
- OnNext(280, 4),
- OnNext(280, 6),
- OnNext(310, 2),
- OnNext(330, 3),
- OnNext(330, 5),
- OnNext(360, 7),
- OnNext(380, 8),
- OnNext(630, 9),
- OnNext(660, 10),
- OnCompleted<int>(720)
- );
- #if !NO_PERF
- // BREAKING CHANGE v2 > v1.x -> More aggressive disposal behavior
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 450)
- );
- #else
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 720)
- );
- #endif
- ys1.Subscriptions.AssertEqual(
- Subscribe(210, 350)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(260, 560)
- );
- ys3.Subscriptions.AssertEqual(
- Subscribe(270, 400)
- );
- ys4.Subscriptions.AssertEqual(
- Subscribe(420, 720)
- );
- }
- [Fact]
- public void MergeConcat_Basic_Late()
- {
- var scheduler = new TestScheduler();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(50, 1),
- OnNext(100, 2),
- OnNext(120, 3),
- OnCompleted<int>(140)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(20, 4),
- OnNext(70, 5),
- OnCompleted<int>(300)
- );
- var ys3 = scheduler.CreateColdObservable(
- OnNext(10, 6),
- OnNext(90, 7),
- OnNext(110, 8),
- OnCompleted<int>(130)
- );
- var ys4 = scheduler.CreateColdObservable(
- OnNext(210, 9),
- OnNext(240, 10),
- OnCompleted<int>(300)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(210, ys1),
- OnNext<IObservable<int>>(260, ys2),
- OnNext<IObservable<int>>(270, ys3),
- OnNext<IObservable<int>>(420, ys4),
- OnCompleted<IObservable<int>>(750)
- );
- var res = scheduler.Start(() =>
- xs.Merge(3)
- );
- res.Messages.AssertEqual(
- OnNext(260, 1),
- OnNext(280, 4),
- OnNext(280, 6),
- OnNext(310, 2),
- OnNext(330, 3),
- OnNext(330, 5),
- OnNext(360, 7),
- OnNext(380, 8),
- OnNext(630, 9),
- OnNext(660, 10),
- OnCompleted<int>(750)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 750)
- );
- ys1.Subscriptions.AssertEqual(
- Subscribe(210, 350)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(260, 560)
- );
- ys3.Subscriptions.AssertEqual(
- Subscribe(270, 400)
- );
- ys4.Subscriptions.AssertEqual(
- Subscribe(420, 720)
- );
- }
- [Fact]
- public void MergeConcat_Disposed()
- {
- var scheduler = new TestScheduler();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(50, 1),
- OnNext(100, 2),
- OnNext(120, 3),
- OnCompleted<int>(140)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(20, 4),
- OnNext(70, 5),
- OnCompleted<int>(200)
- );
- var ys3 = scheduler.CreateColdObservable(
- OnNext(10, 6),
- OnNext(90, 7),
- OnNext(110, 8),
- OnCompleted<int>(130)
- );
- var ys4 = scheduler.CreateColdObservable(
- OnNext(210, 9),
- OnNext(240, 10),
- OnCompleted<int>(300)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(210, ys1),
- OnNext<IObservable<int>>(260, ys2),
- OnNext<IObservable<int>>(270, ys3),
- OnNext<IObservable<int>>(320, ys4),
- OnCompleted<IObservable<int>>(400)
- );
- var res = scheduler.Start(() =>
- xs.Merge(2),
- 450
- );
- res.Messages.AssertEqual(
- OnNext(260, 1),
- OnNext(280, 4),
- OnNext(310, 2),
- OnNext(330, 3),
- OnNext(330, 5),
- OnNext(360, 6),
- OnNext(440, 7)
- );
- #if !NO_PERF
- // BREAKING CHANGE v2 > v1.x -> More aggressive disposal behavior
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 400)
- );
- #else
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 450)
- );
- #endif
- ys1.Subscriptions.AssertEqual(
- Subscribe(210, 350)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(260, 450)
- );
- ys3.Subscriptions.AssertEqual(
- Subscribe(350, 450)
- );
- ys4.Subscriptions.AssertEqual(
- );
- }
- [Fact]
- public void MergeConcat_OuterError()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(50, 1),
- OnNext(100, 2),
- OnNext(120, 3),
- OnCompleted<int>(140)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(20, 4),
- OnNext(70, 5),
- OnCompleted<int>(200)
- );
- var ys3 = scheduler.CreateColdObservable(
- OnNext(10, 6),
- OnNext(90, 7),
- OnNext(110, 8),
- OnCompleted<int>(130)
- );
- var ys4 = scheduler.CreateColdObservable(
- OnNext(210, 9),
- OnNext(240, 10),
- OnCompleted<int>(300)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(210, ys1),
- OnNext<IObservable<int>>(260, ys2),
- OnNext<IObservable<int>>(270, ys3),
- OnNext<IObservable<int>>(320, ys4),
- OnError<IObservable<int>>(400, ex)
- );
- var res = scheduler.Start(() =>
- xs.Merge(2)
- );
- res.Messages.AssertEqual(
- OnNext(260, 1),
- OnNext(280, 4),
- OnNext(310, 2),
- OnNext(330, 3),
- OnNext(330, 5),
- OnNext(360, 6),
- OnError<int>(400, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 400)
- );
- ys1.Subscriptions.AssertEqual(
- Subscribe(210, 350)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(260, 400)
- );
- ys3.Subscriptions.AssertEqual(
- Subscribe(350, 400)
- );
- ys4.Subscriptions.AssertEqual(
- );
- }
- [Fact]
- public void MergeConcat_InnerError()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var ys1 = scheduler.CreateColdObservable(
- OnNext(50, 1),
- OnNext(100, 2),
- OnNext(120, 3),
- OnCompleted<int>(140)
- );
- var ys2 = scheduler.CreateColdObservable(
- OnNext(20, 4),
- OnNext(70, 5),
- OnCompleted<int>(200)
- );
- var ys3 = scheduler.CreateColdObservable(
- OnNext(10, 6),
- OnNext(90, 7),
- OnNext(110, 8),
- OnError<int>(140, ex)
- );
- var ys4 = scheduler.CreateColdObservable(
- OnNext(210, 9),
- OnNext(240, 10),
- OnCompleted<int>(300)
- );
- var xs = scheduler.CreateHotObservable(
- OnNext<IObservable<int>>(210, ys1),
- OnNext<IObservable<int>>(260, ys2),
- OnNext<IObservable<int>>(270, ys3),
- OnNext<IObservable<int>>(320, ys4),
- OnCompleted<IObservable<int>>(400)
- );
- var res = scheduler.Start(() =>
- xs.Merge(2)
- );
- res.Messages.AssertEqual(
- OnNext(260, 1),
- OnNext(280, 4),
- OnNext(310, 2),
- OnNext(330, 3),
- OnNext(330, 5),
- OnNext(360, 6),
- OnNext(440, 7),
- OnNext(460, 8),
- OnError<int>(490, ex)
- );
- #if !NO_PERF
- // BREAKING CHANGE v2 > v1.x -> More aggressive disposal behavior
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 400)
- );
- #else
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 490)
- );
- #endif
- ys1.Subscriptions.AssertEqual(
- Subscribe(210, 350)
- );
- ys2.Subscriptions.AssertEqual(
- Subscribe(260, 460)
- );
- ys3.Subscriptions.AssertEqual(
- Subscribe(350, 490)
- );
- ys4.Subscriptions.AssertEqual(
- Subscribe(460, 490)
- );
- }
- [Fact]
- public void Merge_Task()
- {
- var tss = Observable.Merge(new[] { Task.Factory.StartNew(() => 1), Task.Factory.StartNew(() => 2), Task.Factory.StartNew(() => 3) }.ToObservable());
- var res = tss.ToArray().Single();
- Assert.True(res.OrderBy(x => x).SequenceEqual(new[] { 1, 2, 3 }));
- }
- [Fact]
- public void Merge_TaskWithCompletionSource_RanToCompletion_Async()
- {
- var tcss = new TaskCompletionSource<int>[2];
- tcss[0] = new TaskCompletionSource<int>();
- tcss[1] = new TaskCompletionSource<int>();
- var res = Observable.Merge(Observable.Range(0, 2).Select(x => tcss[x].Task));
- var lst = new List<int>();
- var done = new ManualResetEvent(false);
- res.Subscribe(lst.Add, () => done.Set());
- tcss[0].SetResult(42);
- tcss[1].SetResult(43);
- done.WaitOne();
- lst.OrderBy(x => x).AssertEqual(new[] { 42, 43 });
- }
- [Fact]
- public void Merge_TaskWithCompletionSource_RanToCompletion_Sync()
- {
- var tcss = new TaskCompletionSource<int>[2];
- tcss[0] = new TaskCompletionSource<int>();
- tcss[1] = new TaskCompletionSource<int>();
- tcss[0].SetResult(42);
- tcss[1].SetResult(43);
- var res = Observable.Merge(Observable.Range(0, 2).Select(x => tcss[x].Task));
- var lst = new List<int>();
- var done = new ManualResetEvent(false);
- res.Subscribe(lst.Add, () => done.Set());
- done.WaitOne();
- lst.OrderBy(x => x).AssertEqual(new[] { 42, 43 });
- }
- [Fact]
- public void Merge_TaskWithCompletionSource_Faulted_Async()
- {
- var tcss = new TaskCompletionSource<int>[3];
- tcss[0] = new TaskCompletionSource<int>();
- tcss[1] = new TaskCompletionSource<int>();
- tcss[2] = new TaskCompletionSource<int>();
- var res = Observable.Merge(Observable.Range(0, 3).Select(x => tcss[x].Task));
- var lst = new List<int>();
- var err = default(Exception);
- var done = new ManualResetEvent(false);
- res.Subscribe(lst.Add, ex_ => { err = ex_; done.Set(); }, () => done.Set());
- var ex = new Exception();
- tcss[1].SetException(ex);
- done.WaitOne();
- lst.AssertEqual(new int[0]);
- Assert.Same(ex, err);
- }
- [Fact]
- public void Merge_TaskWithCompletionSource_Faulted_Sync()
- {
- var tcss = new TaskCompletionSource<int>[3];
- tcss[0] = new TaskCompletionSource<int>();
- tcss[1] = new TaskCompletionSource<int>();
- tcss[2] = new TaskCompletionSource<int>();
- var ex = new Exception();
- tcss[1].SetException(ex);
- var res = Observable.Merge(Observable.Range(0, 3).Select(x => tcss[x].Task));
- var lst = new List<int>();
- var err = default(Exception);
- var done = new ManualResetEvent(false);
- res.Subscribe(lst.Add, ex_ => { err = ex_; done.Set(); }, () => done.Set());
- done.WaitOne();
- lst.AssertEqual(new int[0]);
- Assert.Same(ex, err);
- }
- [Fact]
- public void Merge_TaskWithCompletionSource_Canceled_Async()
- {
- var tcss = new TaskCompletionSource<int>[3];
- tcss[0] = new TaskCompletionSource<int>();
- tcss[1] = new TaskCompletionSource<int>();
- tcss[2] = new TaskCompletionSource<int>();
- var res = Observable.Merge(Observable.Range(0, 3).Select(x => tcss[x].Task));
- var lst = new List<int>();
- var err = default(Exception);
- var done = new ManualResetEvent(false);
- res.Subscribe(lst.Add, ex_ => { err = ex_; done.Set(); }, () => done.Set());
- tcss[1].SetCanceled();
- done.WaitOne();
- lst.AssertEqual(new int[0]);
- Assert.True(err is TaskCanceledException && ((TaskCanceledException)err).Task == tcss[1].Task);
- }
- [Fact]
- public void Merge_TaskWithCompletionSource_Canceled_Sync()
- {
- var tcss = new TaskCompletionSource<int>[3];
- tcss[0] = new TaskCompletionSource<int>();
- tcss[1] = new TaskCompletionSource<int>();
- tcss[2] = new TaskCompletionSource<int>();
- tcss[1].SetCanceled();
- var res = Observable.Merge(Observable.Range(0, 3).Select(x => tcss[x].Task));
- var lst = new List<int>();
- var err = default(Exception);
- var done = new ManualResetEvent(false);
- res.Subscribe(lst.Add, ex_ => { err = ex_; done.Set(); }, () => done.Set());
- done.WaitOne();
- lst.AssertEqual(new int[0]);
- Assert.True(err is TaskCanceledException && ((TaskCanceledException)err).Task == tcss[1].Task);
- }
- [Fact]
- public void Merge_TaskWithCompletionSource_InnerCompleteBeforeOuter()
- {
- var xs = new Subject<int>();
- var tcss = new TaskCompletionSource<int>[3];
- tcss[0] = new TaskCompletionSource<int>();
- tcss[1] = new TaskCompletionSource<int>();
- tcss[2] = new TaskCompletionSource<int>();
- var res = Observable.Merge(xs.Select(x => tcss[x].Task));
- var lst = new List<int>();
- var done = new ManualResetEvent(false);
- res.Subscribe(lst.Add, () => done.Set());
- tcss[1].SetResult(42);
- xs.OnNext(0);
- xs.OnNext(1);
- xs.OnNext(2);
- tcss[0].SetResult(43);
- tcss[2].SetResult(44);
- xs.OnCompleted();
- done.WaitOne();
- lst.OrderBy(x => x).AssertEqual(new[] { 42, 43, 44 });
- }
- [Fact]
- public void Merge_TaskWithCompletionSource_OuterCompleteBeforeInner()
- {
- var xs = new Subject<int>();
- var tcss = new TaskCompletionSource<int>[3];
- tcss[0] = new TaskCompletionSource<int>();
- tcss[1] = new TaskCompletionSource<int>();
- tcss[2] = new TaskCompletionSource<int>();
- var res = Observable.Merge(xs.Select(x => tcss[x].Task));
- var lst = new List<int>();
- var done = new ManualResetEvent(false);
- res.Subscribe(lst.Add, () => done.Set());
- tcss[1].SetResult(42);
- xs.OnNext(0);
- xs.OnNext(1);
- xs.OnNext(2);
- xs.OnCompleted();
- tcss[0].SetResult(43);
- tcss[2].SetResult(44);
- done.WaitOne();
- lst.OrderBy(x => x).AssertEqual(new[] { 42, 43, 44 });
- }
- [Fact]
- public void Merge_Task_OnError()
- {
- var xs = new Subject<int>();
- var tcss = new TaskCompletionSource<int>[3];
- tcss[0] = new TaskCompletionSource<int>();
- tcss[1] = new TaskCompletionSource<int>();
- tcss[2] = new TaskCompletionSource<int>();
- var res = Observable.Merge(xs.Select(x => tcss[x].Task));
- var lst = new List<int>();
- var err = default(Exception);
- var done = new ManualResetEvent(false);
- res.Subscribe(lst.Add, ex_ => { err = ex_; done.Set(); }, () => done.Set());
- tcss[1].SetResult(42);
- xs.OnNext(0);
- xs.OnNext(1);
- xs.OnNext(2);
- tcss[0].SetResult(43);
- tcss[2].SetResult(44);
- var ex = new Exception();
- xs.OnError(ex);
- done.WaitOne();
- Assert.Same(ex, err);
- }
- }
- }
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