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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.Disposables;
- 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 DelayTest : ReactiveTest
- {
- [Fact]
- public void Delay_ArgumentChecking()
- {
- var scheduler = new TestScheduler();
- var someObservable = Observable.Empty<int>();
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(default(IObservable<int>), DateTimeOffset.Now));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(default(IObservable<int>), TimeSpan.Zero));
- ReactiveAssert.Throws<ArgumentOutOfRangeException>(() => Observable.Delay(someObservable, TimeSpan.FromSeconds(-1)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(default(IObservable<int>), DateTimeOffset.Now, scheduler));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(default(IObservable<int>), TimeSpan.Zero, scheduler));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(someObservable, DateTimeOffset.Now, null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(someObservable, TimeSpan.Zero, null));
- ReactiveAssert.Throws<ArgumentOutOfRangeException>(() => Observable.Delay(someObservable, TimeSpan.FromSeconds(-1), scheduler));
- }
- [Fact]
- public void Delay_TimeSpan_Simple1()
- {
- Delay_TimeSpan_Simple1_Impl(false);
- }
- [Fact]
- public void Delay_TimeSpan_Simple1_Stopwatch()
- {
- Delay_TimeSpan_Simple1_Impl(true);
- }
- private void Delay_TimeSpan_Simple1_Impl(bool useStopwatch)
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(550)
- );
- var res = scheduler.Start(() =>
- xs.Delay(TimeSpan.FromTicks(100), useStopwatch ? scheduler : scheduler.DisableOptimizations())
- );
- res.Messages.AssertEqual(
- OnNext(350, 2),
- OnNext(450, 3),
- OnNext(550, 4),
- OnCompleted<int>(650)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_DateTimeOffset_Simple1()
- {
- Delay_DateTimeOffset_Simple1_Impl(false);
- }
- [Fact]
- public void Delay_DateTimeOffset_Simple1_Stopwatch()
- {
- Delay_DateTimeOffset_Simple1_Impl(true);
- }
- private void Delay_DateTimeOffset_Simple1_Impl(bool useStopwatch)
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(550)
- );
- var res = scheduler.Start(() =>
- xs.Delay(new DateTimeOffset(300, TimeSpan.Zero), useStopwatch ? scheduler : scheduler.DisableOptimizations())
- );
- res.Messages.AssertEqual(
- OnNext(350, 2),
- OnNext(450, 3),
- OnNext(550, 4),
- OnCompleted<int>(650)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_TimeSpan_Simple2()
- {
- Delay_TimeSpan_Simple2_Impl(false);
- }
- [Fact]
- public void Delay_TimeSpan_Simple2_Stopwatch()
- {
- Delay_TimeSpan_Simple2_Impl(true);
- }
- private void Delay_TimeSpan_Simple2_Impl(bool useStopwatch)
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(550)
- );
- var res = scheduler.Start(() =>
- xs.Delay(TimeSpan.FromTicks(50), useStopwatch ? scheduler : scheduler.DisableOptimizations())
- );
- res.Messages.AssertEqual(
- OnNext(300, 2),
- OnNext(400, 3),
- OnNext(500, 4),
- OnCompleted<int>(600)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_DateTimeOffset_Simple2()
- {
- Delay_DateTimeOffset_Simple2_Impl(false);
- }
- [Fact]
- public void Delay_DateTimeOffset_Simple2_Stopwatch()
- {
- Delay_DateTimeOffset_Simple2_Impl(true);
- }
- private void Delay_DateTimeOffset_Simple2_Impl(bool useStopwatch)
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(550)
- );
- var res = scheduler.Start(() =>
- xs.Delay(new DateTimeOffset(250, TimeSpan.Zero), useStopwatch ? scheduler : scheduler.DisableOptimizations())
- );
- res.Messages.AssertEqual(
- OnNext(300, 2),
- OnNext(400, 3),
- OnNext(500, 4),
- OnCompleted<int>(600)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_TimeSpan_Simple3()
- {
- Delay_TimeSpan_Simple3_Impl(false);
- }
- [Fact]
- public void Delay_TimeSpan_Simple3_Stopwatch()
- {
- Delay_TimeSpan_Simple3_Impl(true);
- }
- private void Delay_TimeSpan_Simple3_Impl(bool useStopwatch)
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(550)
- );
- var res = scheduler.Start(() =>
- xs.Delay(TimeSpan.FromTicks(150), useStopwatch ? scheduler : scheduler.DisableOptimizations())
- );
- res.Messages.AssertEqual(
- OnNext(400, 2),
- OnNext(500, 3),
- OnNext(600, 4),
- OnCompleted<int>(700)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_DateTimeOffset_Simple3()
- {
- Delay_DateTimeOffset_Simple3_Impl(false);
- }
- [Fact]
- public void Delay_DateTimeOffset_Simple3_Stopwatch()
- {
- Delay_DateTimeOffset_Simple3_Impl(true);
- }
- private void Delay_DateTimeOffset_Simple3_Impl(bool useStopwatch)
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(550)
- );
- var res = scheduler.Start(() =>
- xs.Delay(new DateTimeOffset(350, TimeSpan.Zero), useStopwatch ? scheduler : scheduler.DisableOptimizations())
- );
- res.Messages.AssertEqual(
- OnNext(400, 2),
- OnNext(500, 3),
- OnNext(600, 4),
- OnCompleted<int>(700)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_TimeSpan_Error1()
- {
- Delay_TimeSpan_Error1_Impl(false);
- }
- [Fact]
- public void Delay_TimeSpan_Error1_Stopwatch()
- {
- Delay_TimeSpan_Error1_Impl(true);
- }
- private void Delay_TimeSpan_Error1_Impl(bool useStopwatch)
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnError<int>(550, ex)
- );
- var res = scheduler.Start(() =>
- xs.Delay(TimeSpan.FromTicks(50), useStopwatch ? scheduler : scheduler.DisableOptimizations())
- );
- res.Messages.AssertEqual(
- OnNext(300, 2),
- OnNext(400, 3),
- OnNext(500, 4),
- OnError<int>(550, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_DateTimeOffset_Error1()
- {
- Delay_DateTimeOffset_Error1_Impl(false);
- }
- [Fact]
- public void Delay_DateTimeOffset_Error1_Stopwatch()
- {
- Delay_DateTimeOffset_Error1_Impl(true);
- }
- private void Delay_DateTimeOffset_Error1_Impl(bool useStopwatch)
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnError<int>(550, ex)
- );
- var res = scheduler.Start(() =>
- xs.Delay(new DateTimeOffset(250, TimeSpan.Zero), useStopwatch ? scheduler : scheduler.DisableOptimizations())
- );
- res.Messages.AssertEqual(
- OnNext(300, 2),
- OnNext(400, 3),
- OnNext(500, 4),
- OnError<int>(550, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_TimeSpan_Error2()
- {
- Delay_TimeSpan_Error2_Impl(false);
- }
- [Fact]
- public void Delay_TimeSpan_Error2_Stopwatch()
- {
- Delay_TimeSpan_Error2_Impl(true);
- }
- private void Delay_TimeSpan_Error2_Impl(bool useStopwatch)
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnError<int>(550, ex)
- );
- var res = scheduler.Start(() =>
- xs.Delay(TimeSpan.FromTicks(150), useStopwatch ? scheduler : scheduler.DisableOptimizations())
- );
- res.Messages.AssertEqual(
- OnNext(400, 2),
- OnNext(500, 3),
- OnError<int>(550, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_DateTimeOffset_Error2()
- {
- Delay_DateTimeOffset_Error2_Impl(false);
- }
- [Fact]
- public void Delay_DateTimeOffset_Error2_Stopwatch()
- {
- Delay_DateTimeOffset_Error2_Impl(true);
- }
- private void Delay_DateTimeOffset_Error2_Impl(bool useStopwatch)
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnError<int>(550, ex)
- );
- var res = scheduler.Start(() =>
- xs.Delay(new DateTimeOffset(350, TimeSpan.Zero), useStopwatch ? scheduler : scheduler.DisableOptimizations())
- );
- res.Messages.AssertEqual(
- OnNext(400, 2),
- OnNext(500, 3),
- OnError<int>(550, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- #if !NO_THREAD
- [Fact]
- public void Delay_TimeSpan_Real_Simple1()
- {
- Delay_TimeSpan_Real_Simple1_Impl(ThreadPoolScheduler.Instance.DisableOptimizations());
- }
- [Fact]
- public void Delay_TimeSpan_Real_Simple1_Stopwatch()
- {
- Delay_TimeSpan_Real_Simple1_Impl(ThreadPoolScheduler.Instance);
- }
- #endif
- private void Delay_TimeSpan_Real_Simple1_Impl(IScheduler scheduler)
- {
- var s = new Subject<int>();
- var res = s.Delay(TimeSpan.FromMilliseconds(10), scheduler);
- var lst = new List<int>();
- var e = new ManualResetEvent(false);
- res.Subscribe(lst.Add, () => e.Set());
- Task.Run(() =>
- {
- s.OnNext(1);
- s.OnNext(2);
- s.OnNext(3);
- s.OnCompleted();
- });
- e.WaitOne();
- Assert.True(new[] { 1, 2, 3 }.SequenceEqual(lst));
- }
- #if !NO_THREAD
- [Fact]
- public void Delay_TimeSpan_Real_Error1()
- {
- Delay_TimeSpan_Real_Error1_Impl(ThreadPoolScheduler.Instance.DisableOptimizations());
- }
- [Fact]
- public void Delay_TimeSpan_Real_Error1_Stopwatch()
- {
- Delay_TimeSpan_Real_Error1_Impl(ThreadPoolScheduler.Instance);
- }
- #endif
- private void Delay_TimeSpan_Real_Error1_Impl(IScheduler scheduler)
- {
- var ex = new Exception();
- var s = new Subject<int>();
- var res = s.Delay(TimeSpan.FromMilliseconds(10), scheduler);
- var e = new ManualResetEvent(false);
- var err = default(Exception);
- res.Subscribe(_ => { }, ex_ => { err = ex_; e.Set(); });
- Task.Run(() =>
- {
- s.OnNext(1);
- s.OnNext(2);
- s.OnNext(3);
- s.OnError(ex);
- });
- e.WaitOne();
- Assert.Same(ex, err);
- }
- #if !NO_THREAD
- [Fact]
- public void Delay_TimeSpan_Real_Error2()
- {
- Delay_TimeSpan_Real_Error2_Impl(ThreadPoolScheduler.Instance.DisableOptimizations());
- }
- [Fact]
- public void Delay_TimeSpan_Real_Error2_Stopwatch()
- {
- Delay_TimeSpan_Real_Error2_Impl(ThreadPoolScheduler.Instance);
- }
- #endif
- private void Delay_TimeSpan_Real_Error2_Impl(IScheduler scheduler)
- {
- var ex = new Exception();
- var s = new Subject<int>();
- var res = s.Delay(TimeSpan.FromMilliseconds(10), scheduler);
- var next = new ManualResetEvent(false);
- var e = new ManualResetEvent(false);
- var err = default(Exception);
- res.Subscribe(_ => { next.Set(); }, ex_ => { err = ex_; e.Set(); });
- Task.Run(() =>
- {
- s.OnNext(1);
- next.WaitOne();
- s.OnError(ex);
- });
- e.WaitOne();
- Assert.Same(ex, err);
- }
- #if !NO_THREAD
- [Fact]
- public void Delay_TimeSpan_Real_Error3()
- {
- Delay_TimeSpan_Real_Error3_Impl(ThreadPoolScheduler.Instance.DisableOptimizations());
- }
- [Fact]
- public void Delay_TimeSpan_Real_Error3_Stopwatch()
- {
- Delay_TimeSpan_Real_Error3_Impl(ThreadPoolScheduler.Instance);
- }
- #endif
- private void Delay_TimeSpan_Real_Error3_Impl(IScheduler scheduler)
- {
- var ex = new Exception();
- var s = new Subject<int>();
- var res = s.Delay(TimeSpan.FromMilliseconds(10), scheduler);
- var next = new ManualResetEvent(false);
- var ack = new ManualResetEvent(false);
- var e = new ManualResetEvent(false);
- var err = default(Exception);
- res.Subscribe(_ => { next.Set(); ack.WaitOne(); }, ex_ => { err = ex_; e.Set(); });
- Task.Run(() =>
- {
- s.OnNext(1);
- next.WaitOne();
- s.OnError(ex);
- ack.Set();
- });
- e.WaitOne();
- Assert.Same(ex, err);
- }
- [Fact]
- public void Delay_TimeSpan_Positive()
- {
- var scheduler = new TestScheduler();
- var msgs = new[] {
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(550)
- };
- var xs = scheduler.CreateHotObservable(msgs);
- const ushort delay = 42;
- var res = scheduler.Start(() =>
- xs.Delay(TimeSpan.FromTicks(delay), scheduler)
- );
- var expected = from n in msgs
- where n.Time > Subscribed
- select new Recorded<Notification<int>>((ushort)(n.Time + delay), n.Value);
- res.Messages.AssertEqual(expected);
- }
- [Fact]
- public void Delay_Empty()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnCompleted<int>(550)
- );
- var res = scheduler.Start(() =>
- xs.Delay(TimeSpan.FromTicks(10), scheduler)
- );
- res.Messages.AssertEqual(
- OnCompleted<int>(560)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_Error()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnError<int>(550, ex)
- );
- var res = scheduler.Start(() =>
- xs.Delay(TimeSpan.FromTicks(10), scheduler)
- );
- res.Messages.AssertEqual(
- OnError<int>(550, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_Never()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1)
- );
- var res = scheduler.Start(() =>
- xs.Delay(TimeSpan.FromTicks(10), scheduler)
- );
- res.Messages.AssertEqual(
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 1000)
- );
- }
- [Fact]
- public void Delay_TimeSpan_DefaultScheduler()
- {
- Assert.True(Observable.Return(1).Delay(TimeSpan.FromMilliseconds(1)).ToEnumerable().SequenceEqual(new[] { 1 }));
- }
- [Fact]
- public void Delay_DateTimeOffset_DefaultScheduler()
- {
- Assert.True(Observable.Return(1).Delay(DateTimeOffset.UtcNow + TimeSpan.FromMilliseconds(1)).ToEnumerable().SequenceEqual(new[] { 1 }));
- }
- [Fact]
- public void Delay_CrossingMessages()
- {
- var lst = new List<int>();
- var evt = new ManualResetEvent(false);
- var s = new Subject<int>();
- s.Delay(TimeSpan.FromSeconds(0.01)).Subscribe(x =>
- {
- lst.Add(x);
- if (x < 9)
- {
- s.OnNext(x + 1);
- }
- else
- {
- s.OnCompleted();
- }
- }, () =>
- {
- evt.Set();
- });
- s.OnNext(0);
- evt.WaitOne();
- Assert.True(Enumerable.Range(0, 10).SequenceEqual(lst));
- }
- [Fact]
- public void Delay_Duration_ArgumentChecking()
- {
- var someObservable = DummyObservable<int>.Instance;
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(default(IObservable<int>), x => someObservable));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(someObservable, default(Func<int, IObservable<int>>)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(default(IObservable<int>), someObservable, x => someObservable));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(someObservable, default, x => someObservable));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Delay(someObservable, someObservable, default));
- }
- [Fact]
- public void Delay_Duration_Simple1()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 10),
- OnNext(220, 30),
- OnNext(230, 50),
- OnNext(240, 35),
- OnNext(250, 20),
- OnCompleted<int>(260)
- );
- var res = scheduler.Start(() =>
- xs.Delay(x => scheduler.CreateColdObservable(new[] { OnNext(x, "!") }))
- );
- res.Messages.AssertEqual(
- OnNext(210 + 10, 10),
- OnNext(220 + 30, 30),
- OnNext(250 + 20, 20),
- OnNext(240 + 35, 35),
- OnNext(230 + 50, 50),
- OnCompleted<int>(280)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 260)
- );
- }
- [Fact]
- public void Delay_Duration_Simple2()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(220, 3),
- OnNext(230, 4),
- OnNext(240, 5),
- OnNext(250, 6),
- OnCompleted<int>(300)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(10, "!")
- );
- var res = scheduler.Start(() =>
- xs.Delay(_ => ys)
- );
- res.Messages.AssertEqual(
- OnNext(210 + 10, 2),
- OnNext(220 + 10, 3),
- OnNext(230 + 10, 4),
- OnNext(240 + 10, 5),
- OnNext(250 + 10, 6),
- OnCompleted<int>(300)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 300)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(210, 220),
- Subscribe(220, 230),
- Subscribe(230, 240),
- Subscribe(240, 250),
- Subscribe(250, 260)
- );
- }
- [Fact]
- public void Delay_Duration_Simple3()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(220, 3),
- OnNext(230, 4),
- OnNext(240, 5),
- OnNext(250, 6),
- OnCompleted<int>(300)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(100, "!")
- );
- var res = scheduler.Start(() =>
- xs.Delay(_ => ys)
- );
- res.Messages.AssertEqual(
- OnNext(210 + 100, 2),
- OnNext(220 + 100, 3),
- OnNext(230 + 100, 4),
- OnNext(240 + 100, 5),
- OnNext(250 + 100, 6),
- OnCompleted<int>(350)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 300)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(210, 310),
- Subscribe(220, 320),
- Subscribe(230, 330),
- Subscribe(240, 340),
- Subscribe(250, 350)
- );
- }
- [Fact]
- public void Delay_Duration_Simple4_InnerEmpty()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(220, 3),
- OnNext(230, 4),
- OnNext(240, 5),
- OnNext(250, 6),
- OnCompleted<int>(300)
- );
- var ys = scheduler.CreateColdObservable(
- OnCompleted<int>(100)
- );
- var res = scheduler.Start(() =>
- xs.Delay(_ => ys)
- );
- res.Messages.AssertEqual(
- OnNext(210 + 100, 2),
- OnNext(220 + 100, 3),
- OnNext(230 + 100, 4),
- OnNext(240 + 100, 5),
- OnNext(250 + 100, 6),
- OnCompleted<int>(350)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 300)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(210, 310),
- Subscribe(220, 320),
- Subscribe(230, 330),
- Subscribe(240, 340),
- Subscribe(250, 350)
- );
- }
- [Fact]
- public void Delay_Duration_Dispose1()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(220, 3),
- OnNext(230, 4),
- OnNext(240, 5),
- OnNext(250, 6),
- OnCompleted<int>(300)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(200, "!")
- );
- var res = scheduler.Start(() =>
- xs.Delay(_ => ys),
- 425
- );
- res.Messages.AssertEqual(
- OnNext(210 + 200, 2),
- OnNext(220 + 200, 3)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 300)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(210, 410),
- Subscribe(220, 420),
- Subscribe(230, 425),
- Subscribe(240, 425),
- Subscribe(250, 425)
- );
- }
- [Fact]
- public void Delay_Duration_Dispose2()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(400, 3),
- OnCompleted<int>(500)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(50, "!")
- );
- var res = scheduler.Start(() =>
- xs.Delay(_ => ys),
- 300
- );
- res.Messages.AssertEqual(
- OnNext(210 + 50, 2)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 300)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(210, 260)
- );
- }
- [Fact]
- public void Delay_Duration_OuterError1()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(220, 3),
- OnNext(230, 4),
- OnNext(240, 5),
- OnNext(250, 6),
- OnError<int>(300, ex)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(100, "!")
- );
- var res = scheduler.Start(() =>
- xs.Delay(_ => ys)
- );
- res.Messages.AssertEqual(
- OnError<int>(300, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 300)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(210, 300),
- Subscribe(220, 300),
- Subscribe(230, 300),
- Subscribe(240, 300),
- Subscribe(250, 300)
- );
- }
- [Fact]
- public void Delay_Duration_OuterError2()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(220, 3),
- OnNext(230, 4),
- OnNext(240, 5),
- OnNext(250, 6),
- OnError<int>(300, ex)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(10, "!")
- );
- var res = scheduler.Start(() =>
- xs.Delay(_ => ys)
- );
- res.Messages.AssertEqual(
- OnNext(210 + 10, 2),
- OnNext(220 + 10, 3),
- OnNext(230 + 10, 4),
- OnNext(240 + 10, 5),
- OnNext(250 + 10, 6),
- OnError<int>(300, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 300)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(210, 220),
- Subscribe(220, 230),
- Subscribe(230, 240),
- Subscribe(240, 250),
- Subscribe(250, 260)
- );
- }
- [Fact]
- public void Delay_Duration_InnerError1()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(220, 3),
- OnNext(230, 4),
- OnNext(240, 5),
- OnNext(250, 6),
- OnCompleted<int>(300)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(30, "!")
- );
- var zs = scheduler.CreateColdObservable(
- OnError<string>(25, ex)
- );
- var res = scheduler.Start(() =>
- xs.Delay(x => x != 5 ? ys : zs)
- );
- res.Messages.AssertEqual(
- OnNext(210 + 30, 2),
- OnNext(220 + 30, 3),
- OnNext(230 + 30, 4),
- OnError<int>(240 + 25, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 265)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(210, 240),
- Subscribe(220, 250),
- Subscribe(230, 260),
- Subscribe(250, 265)
- );
- }
- [Fact]
- public void Delay_Duration_InnerError2()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 2),
- OnNext(220, 3),
- OnNext(230, 4),
- OnNext(240, 5),
- OnNext(250, 6),
- OnCompleted<int>(300)
- );
- var ys = scheduler.CreateColdObservable(
- OnError<string>(100, ex)
- );
- var res = scheduler.Start(() =>
- xs.Delay(_ => ys)
- );
- res.Messages.AssertEqual(
- OnError<int>(210 + 100, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 300)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(210, 310),
- Subscribe(220, 310),
- Subscribe(230, 310),
- Subscribe(240, 310),
- Subscribe(250, 310)
- );
- }
- [Fact]
- public void Delay_Duration_SelectorThrows1()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(300, 3),
- OnNext(350, 4),
- OnNext(400, 5),
- OnNext(450, 6),
- OnCompleted<int>(500)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(80, "")
- );
- var res = scheduler.Start(() =>
- xs.Delay(x =>
- {
- if (x == 4)
- {
- throw ex;
- }
- return ys;
- })
- );
- res.Messages.AssertEqual(
- OnNext(330, 2),
- OnError<int>(350, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 350)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(250, 330),
- Subscribe(300, 350)
- );
- }
- [Fact]
- public void Delay_Duration_Simple()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(550)
- );
- var res = scheduler.Start(() =>
- xs.Delay(x =>
- scheduler.CreateColdObservable(
- OnNext(x * 10, "Ignore"),
- OnNext(x * 10 + 5, "Aargh!")
- )
- )
- );
- res.Messages.AssertEqual(
- OnNext(250 + 2 * 10, 2),
- OnNext(350 + 3 * 10, 3),
- OnNext(450 + 4 * 10, 4),
- OnCompleted<int>(550)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_Duration_DeferOnCompleted()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(451)
- );
- var res = scheduler.Start(() =>
- xs.Delay(x =>
- scheduler.CreateColdObservable(
- OnNext(x * 10, "Ignore"),
- OnNext(x * 10 + 5, "Aargh!")
- )
- )
- );
- res.Messages.AssertEqual(
- OnNext(250 + 2 * 10, 2),
- OnNext(350 + 3 * 10, 3),
- OnNext(450 + 4 * 10, 4),
- OnCompleted<int>(450 + 4 * 10)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 451)
- );
- }
- [Fact]
- public void Delay_Duration_InnerError()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(451)
- );
- var ex = new Exception();
- var res = scheduler.Start(() =>
- xs.Delay(x =>
- x < 4 ? scheduler.CreateColdObservable(
- OnNext(x * 10, "Ignore"),
- OnNext(x * 10 + 5, "Aargh!")
- )
- : scheduler.CreateColdObservable(
- OnError<string>(x * 10, ex)
- )
- )
- );
- res.Messages.AssertEqual(
- OnNext(250 + 2 * 10, 2),
- OnNext(350 + 3 * 10, 3),
- OnError<int>(450 + 4 * 10, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 451)
- );
- }
- [Fact]
- public void Delay_Duration_OuterError()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnError<int>(460, ex)
- );
- var res = scheduler.Start(() =>
- xs.Delay(x =>
- scheduler.CreateColdObservable(
- OnNext(x * 10, "Ignore"),
- OnNext(x * 10 + 5, "Aargh!")
- )
- )
- );
- res.Messages.AssertEqual(
- OnNext(250 + 2 * 10, 2),
- OnNext(350 + 3 * 10, 3),
- OnError<int>(460, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 460)
- );
- }
- [Fact]
- public void Delay_Duration_SelectorThrows2()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(550)
- );
- var ex = new Exception();
- var res = scheduler.Start(() =>
- xs.Delay(x =>
- {
- if (x < 4)
- {
- return scheduler.CreateColdObservable(
- OnNext(x * 10, "Ignore"),
- OnNext(x * 10 + 5, "Aargh!")
- );
- }
- else
- {
- throw ex;
- }
- })
- );
- res.Messages.AssertEqual(
- OnNext(250 + 2 * 10, 2),
- OnNext(350 + 3 * 10, 3),
- OnError<int>(450, ex)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 450)
- );
- }
- [Fact]
- public void Delay_Duration_InnerDone()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(250, 2),
- OnNext(350, 3),
- OnNext(450, 4),
- OnCompleted<int>(550)
- );
- var ex = new Exception();
- var res = scheduler.Start(() =>
- xs.Delay(x =>
- scheduler.CreateColdObservable(
- OnCompleted<string>(x * 10)
- )
- )
- );
- res.Messages.AssertEqual(
- OnNext(250 + 2 * 10, 2),
- OnNext(350 + 3 * 10, 3),
- OnNext(450 + 4 * 10, 4),
- OnCompleted<int>(550)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- }
- [Fact]
- public void Delay_Duration_InnerSubscriptionTimes()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, -1),
- OnNext(250, 0),
- OnNext(350, 1),
- OnNext(450, 2),
- OnCompleted<int>(550)
- );
- var ys = new[] {
- scheduler.CreateColdObservable(
- OnNext(20, 42),
- OnNext(25, 99)
- ),
- scheduler.CreateColdObservable(
- OnNext(10, 43),
- OnNext(15, 99)
- ),
- scheduler.CreateColdObservable(
- OnNext(30, 44),
- OnNext(35, 99)
- ),
- };
- var res = scheduler.Start(() =>
- xs.Delay(x => ys[x])
- );
- res.Messages.AssertEqual(
- OnNext(250 + 20, 0),
- OnNext(350 + 10, 1),
- OnNext(450 + 30, 2),
- OnCompleted<int>(550)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(200, 550)
- );
- ys[0].Subscriptions.AssertEqual(Subscribe(250, 250 + 20));
- ys[1].Subscriptions.AssertEqual(Subscribe(350, 350 + 10));
- ys[2].Subscriptions.AssertEqual(Subscribe(450, 450 + 30));
- }
- [Fact]
- public void Delay_DurationAndSubscription_Simple1()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 10),
- OnNext(220, 30),
- OnNext(230, 50),
- OnNext(240, 35),
- OnNext(250, 20),
- OnCompleted<int>(260)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(10, "!")
- );
- var res = scheduler.Start(() =>
- xs.Delay(ys, x => scheduler.CreateColdObservable(new[] { OnNext(x, "!") }))
- );
- res.Messages.AssertEqual(
- OnNext(220 + 30, 30),
- OnNext(250 + 20, 20),
- OnNext(240 + 35, 35),
- OnNext(230 + 50, 50),
- OnCompleted<int>(280)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(210, 260)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(200, 210)
- );
- }
- [Fact]
- public void Delay_DurationAndSubscription_Simple2()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 10),
- OnNext(220, 30),
- OnNext(230, 50),
- OnNext(240, 35),
- OnNext(250, 20),
- OnCompleted<int>(260)
- );
- var ys = scheduler.CreateColdObservable(
- OnCompleted<string>(10)
- );
- var res = scheduler.Start(() =>
- xs.Delay(ys, x => scheduler.CreateColdObservable(new[] { OnNext(x, "!") }))
- );
- res.Messages.AssertEqual(
- OnNext(220 + 30, 30),
- OnNext(250 + 20, 20),
- OnNext(240 + 35, 35),
- OnNext(230 + 50, 50),
- OnCompleted<int>(280)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(210, 260)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(200, 210)
- );
- }
- [Fact]
- public void Delay_DurationAndSubscription_Dispose1()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 10),
- OnNext(220, 30),
- OnNext(230, 50),
- OnNext(240, 35),
- OnNext(250, 20),
- OnCompleted<int>(260)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(10, "!")
- );
- var res = scheduler.Start(() =>
- xs.Delay(ys, x => scheduler.CreateColdObservable(new[] { OnNext(x, "!") })),
- 255
- );
- res.Messages.AssertEqual(
- OnNext(220 + 30, 30)
- );
- xs.Subscriptions.AssertEqual(
- Subscribe(210, 255)
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(200, 210)
- );
- }
- [Fact]
- public void Delay_DurationAndSubscription_Dispose2()
- {
- var scheduler = new TestScheduler();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 10),
- OnNext(220, 30),
- OnNext(230, 50),
- OnNext(240, 35),
- OnNext(250, 20),
- OnCompleted<int>(260)
- );
- var ys = scheduler.CreateColdObservable(
- OnNext(100, "!")
- );
- var res = scheduler.Start(() =>
- xs.Delay(ys, x => scheduler.CreateColdObservable(new[] { OnNext(x, "!") })),
- 255
- );
- res.Messages.AssertEqual(
- );
- xs.Subscriptions.AssertEqual(
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(200, 255)
- );
- }
- [Fact]
- public void Delay_DurationAndSubscription_Error()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var xs = scheduler.CreateHotObservable(
- OnNext(150, 1),
- OnNext(210, 10),
- OnNext(220, 30),
- OnNext(230, 50),
- OnNext(240, 35),
- OnNext(250, 20),
- OnCompleted<int>(260)
- );
- var ys = scheduler.CreateColdObservable(
- OnError<string>(10, ex)
- );
- var res = scheduler.Start(() =>
- xs.Delay(ys, x => scheduler.CreateColdObservable(new[] { OnNext(x, "!") }))
- );
- res.Messages.AssertEqual(
- OnError<int>(200 + 10, ex)
- );
- xs.Subscriptions.AssertEqual(
- );
- ys.Subscriptions.AssertEqual(
- Subscribe(200, 210)
- );
- }
- [Fact]
- public void Delay_ErrorHandling1()
- {
- //
- // Checks for race condition between OnNext and OnError where the latter has a chance to
- // send out the OnError message before the former gets a chance to run in the delayed
- // queue. In that case, the OnNext message should not come out.
- //
- // See DrainQueue's first _hasFailed check.
- //
- var xs = Observable.Create<int>(observer =>
- {
- observer.OnNext(42);
- observer.OnError(new Exception());
- return () => { };
- });
- var s = new ImpulseScheduler();
- var called = false;
- var failed = new ManualResetEvent(false);
- xs.Delay(TimeSpan.FromDays(1), s).Subscribe(_ => { called = true; }, ex => { failed.Set(); });
- failed.WaitOne();
- s.Event.Set();
- s.Done.WaitOne();
- Assert.False(called);
- }
- private class ImpulseScheduler : IScheduler
- {
- public DateTimeOffset Now
- {
- get { return DateTimeOffset.UtcNow; }
- }
- public IDisposable Schedule<TState>(TState state, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- private ManualResetEvent _event = new ManualResetEvent(false);
- private ManualResetEvent _done = new ManualResetEvent(false);
- public ManualResetEvent Event { get { return _event; } }
- public ManualResetEvent Done { get { return _done; } }
- public IDisposable Schedule<TState>(TState state, TimeSpan dueTime, Func<IScheduler, TState, IDisposable> action)
- {
- Scheduler.Default.Schedule(() =>
- {
- _event.WaitOne();
- action(this, state);
- _done.Set();
- });
- return Disposable.Empty;
- }
- public IDisposable Schedule<TState>(TState state, DateTimeOffset dueTime, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- }
- [Fact]
- public void Delay_LongRunning_CancelEarly()
- {
- var xs = Observable.Create<int>(observer =>
- {
- return Scheduler.Default.Schedule(TimeSpan.FromHours(1), () =>
- {
- observer.OnNext(42);
- });
- });
- var s = new ManualResetEvent(false);
- var e = new ManualResetEvent(false);
- var ys = xs.Delay(TimeSpan.Zero, new MyLongRunning1(s, e));
- var d = ys.Subscribe(_ => { });
- s.WaitOne();
- d.Dispose();
- e.WaitOne();
- }
- private class MyLongRunning1 : LocalScheduler, ISchedulerLongRunning
- {
- private ManualResetEvent _start;
- private ManualResetEvent _stop;
- public MyLongRunning1(ManualResetEvent start, ManualResetEvent stop)
- {
- _start = start;
- _stop = stop;
- }
- public IDisposable ScheduleLongRunning<TState>(TState state, Action<TState, ICancelable> action)
- {
- var b = new BooleanDisposable();
- Task.Run(() =>
- {
- _start.Set();
- action(state, b);
- _stop.Set();
- });
- return b;
- }
- public override IDisposable Schedule<TState>(TState state, TimeSpan dueTime, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- }
- [Fact]
- public void Delay_LongRunning_CancelLate()
- {
- var xs = Observable.Return(42);
- var s = new ManualResetEvent(false);
- var e = new ManualResetEvent(false);
- var ys = xs.Delay(TimeSpan.FromHours(1), new MyLongRunning2(s, e));
- var d = ys.Subscribe(_ => { });
- s.WaitOne();
- d.Dispose();
- e.WaitOne();
- }
- private class MyLongRunning2 : LocalScheduler, ISchedulerLongRunning
- {
- private ManualResetEvent _start;
- private ManualResetEvent _stop;
- public MyLongRunning2(ManualResetEvent start, ManualResetEvent stop)
- {
- _start = start;
- _stop = stop;
- }
- public IDisposable ScheduleLongRunning<TState>(TState state, Action<TState, ICancelable> action)
- {
- var b = new BooleanDisposable();
- Task.Run(() =>
- {
- action(state, b);
- _stop.Set();
- });
- return b;
- }
- public override IDisposable Schedule<TState>(TState state, TimeSpan dueTime, Func<IScheduler, TState, IDisposable> action)
- {
- _start.Set();
- return Disposable.Empty;
- }
- }
- }
- }
|