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- // Licensed to the .NET Foundation under one or more agreements.
- // The .NET Foundation licenses this file to you under the MIT License.
- // See the LICENSE file in the project root for more information.
- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Reactive.Concurrency;
- using System.Reactive.Disposables;
- using System.Reactive.Linq;
- using System.Reactive.PlatformServices;
- using System.Runtime.CompilerServices;
- using System.Threading;
- using Microsoft.VisualStudio.TestTools.UnitTesting;
- using Microsoft.Reactive.Testing;
- #if HAS_WINFORMS
- using System.Windows.Forms;
- #endif
- using System.Threading.Tasks;
- using Assert = Xunit.Assert;
- namespace ReactiveTests.Tests
- {
- [TestClass]
- public class SchedulerTest : ReactiveTest
- {
- #region IScheduler
- [TestMethod]
- public void Scheduler_ArgumentChecks()
- {
- var ms = new MyScheduler();
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(default, a => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(default, () => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAction(default, new object(), state => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(default, 1, (a, s) => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(ms, default(Action<Action>)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(ms, 1, default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(default, DateTimeOffset.Now, a => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(default, DateTimeOffset.Now, () => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(default, 1, DateTimeOffset.Now, (a, s) => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(ms, DateTimeOffset.Now, default(Action<Action<DateTimeOffset>>)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(ms, 1, DateTimeOffset.Now, default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(default, TimeSpan.Zero, a => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(default, TimeSpan.Zero, () => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(default, 1, TimeSpan.Zero, (a, s) => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(ms, TimeSpan.Zero, default(Action<Action<TimeSpan>>)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Schedule(ms, 1, TimeSpan.Zero, default));
- }
- [TestMethod]
- public void Schedulers_ArgumentChecks()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.CurrentThread.Schedule(default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.CurrentThread.ScheduleAction(new object(), default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.CurrentThread.Schedule(TimeSpan.Zero, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.CurrentThread.Schedule(DateTimeOffset.MaxValue, default(Action)));
- #if DESKTOPCLR
- ReactiveAssert.Throws<ArgumentNullException>(() => DispatcherScheduler.Instance.Schedule(default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => DispatcherScheduler.Instance.ScheduleAction(new object(), default));
- ReactiveAssert.Throws<ArgumentNullException>(() => DispatcherScheduler.Instance.Schedule(TimeSpan.Zero, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => DispatcherScheduler.Instance.Schedule(DateTimeOffset.MaxValue, default(Action)));
- #endif
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Immediate.Schedule(default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Immediate.ScheduleAction(new object(), default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Immediate.Schedule(TimeSpan.Zero, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Immediate.Schedule(DateTimeOffset.MaxValue, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => NewThreadScheduler.Default.Schedule(default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => NewThreadScheduler.Default.ScheduleAction(new object(), default));
- ReactiveAssert.Throws<ArgumentNullException>(() => NewThreadScheduler.Default.Schedule(TimeSpan.Zero, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => NewThreadScheduler.Default.Schedule(DateTimeOffset.MaxValue, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => TaskPoolScheduler.Default.Schedule(default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => TaskPoolScheduler.Default.ScheduleAction(new object(), default));
- ReactiveAssert.Throws<ArgumentNullException>(() => TaskPoolScheduler.Default.Schedule(TimeSpan.Zero, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => TaskPoolScheduler.Default.Schedule(DateTimeOffset.MaxValue, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => DefaultScheduler.Instance.Schedule(default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => DefaultScheduler.Instance.ScheduleAction(new object(), default));
- ReactiveAssert.Throws<ArgumentNullException>(() => DefaultScheduler.Instance.Schedule(TimeSpan.Zero, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => DefaultScheduler.Instance.Schedule(DateTimeOffset.MaxValue, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => DefaultScheduler.Instance.SchedulePeriodic(42, TimeSpan.FromSeconds(1), default));
- ReactiveAssert.Throws<ArgumentOutOfRangeException>(() => DefaultScheduler.Instance.SchedulePeriodic(42, TimeSpan.FromSeconds(-1), _ => _));
- #if HAS_WINFORMS
- var lbl = new Label();
- ReactiveAssert.Throws<ArgumentNullException>(() => new ControlScheduler(lbl).Schedule(default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => new ControlScheduler(lbl).ScheduleAction(new object(), default(Action<object>)));
- ReactiveAssert.Throws<ArgumentNullException>(() => new ControlScheduler(lbl).Schedule(TimeSpan.Zero, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => new ControlScheduler(lbl).Schedule(DateTimeOffset.MaxValue, default(Action)));
- #endif
- var ctx = new SynchronizationContext();
- ReactiveAssert.Throws<ArgumentNullException>(() => new SynchronizationContextScheduler(ctx).Schedule(default(Action)));
- /* Unmerged change from project 'Tests.System.Reactive(netcoreapp2.0)'
- Before:
- ReactiveAssert.Throws<ArgumentNullException>(() => new SynchronizationContextScheduler(ctx).ScheduleAction(new object(), default(Action<object>)));
- After:
- ReactiveAssert.Throws<ArgumentNullException>(() => new SynchronizationContextScheduler(ctx).ScheduleAction(new object(), default)));
- */
- /* Unmerged change from project 'Tests.System.Reactive(net46)'
- Before:
- ReactiveAssert.Throws<ArgumentNullException>(() => new SynchronizationContextScheduler(ctx).ScheduleAction(new object(), default(Action<object>)));
- After:
- ReactiveAssert.Throws<ArgumentNullException>(() => new SynchronizationContextScheduler(ctx).ScheduleAction(new object(), default)));
- */
- ReactiveAssert.Throws<ArgumentNullException>(() => new SynchronizationContextScheduler(ctx).ScheduleAction(new object(), default));
- ReactiveAssert.Throws<ArgumentNullException>(() => new SynchronizationContextScheduler(ctx).Schedule(TimeSpan.Zero, default(Action)));
- ReactiveAssert.Throws<ArgumentNullException>(() => new SynchronizationContextScheduler(ctx).Schedule(DateTimeOffset.MaxValue, default(Action)));
- }
- [TestMethod]
- public void Scheduler_ScheduleNonRecursive()
- {
- var ms = new MyScheduler();
- var res = false;
- Scheduler.Schedule(ms, a => { res = true; });
- Assert.True(res);
- }
- [TestMethod]
- public void Scheduler_ScheduleRecursive()
- {
- var ms = new MyScheduler();
- var i = 0;
- Scheduler.Schedule(ms, a => { if (++i < 10) { a(); } });
- Assert.Equal(10, i);
- }
- [TestMethod]
- public void Scheduler_Schedule_With_State()
- {
- var ms = new MyScheduler();
- var res = false;
- Scheduler.ScheduleAction(ms, "state", state => { Assert.Equal("state", state); res = true; });
- Assert.True(res);
- }
- [TestMethod]
- public void Scheduler_ScheduleWithTimeNonRecursive()
- {
- var now = DateTimeOffset.Now;
- var ms = new MyScheduler(now) { Check = (a, s, t) => { Assert.True(t == TimeSpan.Zero); } };
- var res = false;
- Scheduler.Schedule(ms, now, a => { res = true; });
- Assert.True(res);
- Assert.True(ms.WaitCycles == 0);
- }
- [TestMethod]
- public void Scheduler_ScheduleWithTimeRecursive()
- {
- var now = DateTimeOffset.Now;
- var i = 0;
- var ms = new MyScheduler(now) { Check = (a, s, t) => { Assert.True(t == TimeSpan.Zero); } };
- Scheduler.Schedule(ms, now, a => { if (++i < 10) { a(now); } });
- Assert.True(ms.WaitCycles == 0);
- Assert.Equal(10, i);
- }
- [TestMethod]
- public void Scheduler_ScheduleWithTimeSpanNonRecursive()
- {
- var now = DateTimeOffset.Now;
- var ms = new MyScheduler(now) { Check = (a, s, t) => { Assert.True(t == TimeSpan.Zero); } };
- var res = false;
- Scheduler.Schedule(ms, TimeSpan.Zero, a => { res = true; });
- Assert.True(res);
- Assert.True(ms.WaitCycles == 0);
- }
- [TestMethod]
- public void Scheduler_ScheduleWithTimeSpanRecursive()
- {
- var now = DateTimeOffset.Now;
- var ms = new MyScheduler(now) { Check = (a, s, t) => { Assert.True(t < TimeSpan.FromTicks(10)); } };
- var i = 0;
- Scheduler.Schedule(ms, TimeSpan.Zero, a => { if (++i < 10) { a(TimeSpan.FromTicks(i)); } });
- Assert.True(ms.WaitCycles == Enumerable.Range(1, 9).Sum());
- Assert.Equal(10, i);
- }
- [TestMethod]
- public void Scheduler_StateThreading()
- {
- var lst = new List<int>();
- Scheduler.Immediate.Schedule(0, (i, a) =>
- {
- lst.Add(i);
- if (i < 9)
- {
- a(i + 1);
- }
- });
- Assert.True(lst.SequenceEqual(Enumerable.Range(0, 10)));
- }
- [TestMethod]
- public void Scheduler_Builtins()
- {
- // Default
- {
- var e = new ManualResetEvent(false);
- Scheduler.Default.Schedule(() => e.Set());
- e.WaitOne();
- }
- Scheduler_Builtins_NoPlib();
- }
- [MethodImpl(MethodImplOptions.NoInlining)]
- private void Scheduler_Builtins_NoPlib()
- {
- // ThreadPool
- {
- var e = new ManualResetEvent(false);
- Scheduler.ThreadPool.Schedule(() => e.Set());
- e.WaitOne();
- }
- #if !NO_THREAD
- // NewThread
- {
- var e = new ManualResetEvent(false);
- Scheduler.NewThread.Schedule(() => e.Set());
- e.WaitOne();
- }
- #endif
- // TaskPool
- {
- var e = new ManualResetEvent(false);
- Scheduler.TaskPool.Schedule(() => e.Set());
- e.WaitOne();
- }
- }
- #endregion
- #region ISchedulerLongRunning
- #if !NO_PERF
- #if !WINDOWS && !NO_THREAD
- [TestMethod]
- public void Scheduler_LongRunning_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleLongRunning(null, c => { }));
- /* Unmerged change from project 'Tests.System.Reactive(net46)'
- Before:
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleLongRunning(ThreadPoolScheduler.Instance, default(Action<ICancelable>)));
- After:
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleLongRunning(ThreadPoolScheduler.Instance, default));
- */
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleLongRunning(ThreadPoolScheduler.Instance, default));
- }
- [TestMethod]
- public void Scheduler_Periodic_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.SchedulePeriodic(null, TimeSpan.FromSeconds(1), () => { }));
- ReactiveAssert.Throws<ArgumentOutOfRangeException>(() => Scheduler.SchedulePeriodic(ThreadPoolScheduler.Instance, TimeSpan.FromSeconds(-1), () => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.SchedulePeriodic(ThreadPoolScheduler.Instance, TimeSpan.FromSeconds(1), default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.SchedulePeriodic(null, 42, TimeSpan.FromSeconds(1), _ => { }));
- ReactiveAssert.Throws<ArgumentOutOfRangeException>(() => Scheduler.SchedulePeriodic(ThreadPoolScheduler.Instance, 42, TimeSpan.FromSeconds(-1), _ => { }));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.SchedulePeriodic(ThreadPoolScheduler.Instance, 42, TimeSpan.FromSeconds(1), default(Action<int>)));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.SchedulePeriodic(null, 42, TimeSpan.FromSeconds(1), _ => _));
- ReactiveAssert.Throws<ArgumentOutOfRangeException>(() => Scheduler.SchedulePeriodic(ThreadPoolScheduler.Instance, 42, TimeSpan.FromSeconds(-1), _ => _));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.SchedulePeriodic(ThreadPoolScheduler.Instance, 42, TimeSpan.FromSeconds(1), default));
- }
- #endif
- [TestMethod]
- public void Scheduler_Stopwatch_Emulation()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.StartStopwatch(null));
- }
- [TestMethod]
- public void Scheduler_LongRunning1()
- {
- var s = TaskPoolScheduler.Default;
- var x = new ManualResetEvent(false);
- var e = new ManualResetEvent(false);
- var d = s.ScheduleLongRunning(42, (state, cancel) =>
- {
- while (!cancel.IsDisposed)
- {
- x.Set();
- }
- e.Set();
- });
- x.WaitOne();
- d.Dispose();
- e.WaitOne();
- }
- [TestMethod]
- public void Scheduler_LongRunning2()
- {
- var s = TaskPoolScheduler.Default;
- var x = new ManualResetEvent(false);
- var e = new ManualResetEvent(false);
- var d = s.ScheduleLongRunning(cancel =>
- {
- while (!cancel.IsDisposed)
- {
- x.Set();
- }
- e.Set();
- });
- x.WaitOne();
- d.Dispose();
- e.WaitOne();
- }
- #endif
- #endregion
- #region ISchedulerPeriodic
- #if !NO_PERF
- #if !WINDOWS && !NO_THREAD
- [TestMethod]
- public void Scheduler_Periodic1()
- {
- var n = 0;
- var e = new ManualResetEvent(false);
- var d = ThreadPoolScheduler.Instance.SchedulePeriodic(TimeSpan.FromMilliseconds(50), () =>
- {
- if (n++ == 10)
- {
- e.Set();
- }
- });
- e.WaitOne();
- d.Dispose();
- }
- [TestMethod]
- public void Scheduler_Periodic2()
- {
- var n = 0;
- var e = new ManualResetEvent(false);
- var d = ThreadPoolScheduler.Instance.SchedulePeriodic(42, TimeSpan.FromMilliseconds(50), x =>
- {
- Assert.Equal(42, x);
- if (n++ == 10)
- {
- e.Set();
- }
- });
- e.WaitOne();
- d.Dispose();
- }
- #endif
- #if DESKTOPCLR && NET472
- [TestMethod]
- public void Scheduler_Periodic_HostLifecycleManagement()
- {
- var cur = AppDomain.CurrentDomain.BaseDirectory;
- var domain = AppDomain.CreateDomain("HLN", null, new AppDomainSetup { ApplicationBase = cur });
- domain.DoCallBack(Scheduler_Periodic_HostLifecycleManagement_Callback);
- }
- private static void Scheduler_Periodic_HostLifecycleManagement_Callback()
- {
- var pep = PlatformEnlightenmentProvider.Current;
- try
- {
- var hln = new HLN();
- PlatformEnlightenmentProvider.Current = new PEP(hln);
- var s = ThreadPoolScheduler.Instance.DisableOptimizations(typeof(ISchedulerPeriodic));
- var n = 0;
- var e = new ManualResetEvent(false);
- var d = Observable.Interval(TimeSpan.FromMilliseconds(100), s).Subscribe(_ =>
- {
- if (n++ == 10)
- {
- e.Set();
- }
- });
- hln.OnSuspending();
- hln.OnResuming();
- Thread.Sleep(250);
- hln.OnSuspending();
- Thread.Sleep(150);
- hln.OnResuming();
- Thread.Sleep(50);
- hln.OnSuspending();
- hln.OnResuming();
- e.WaitOne();
- d.Dispose();
- }
- finally
- {
- PlatformEnlightenmentProvider.Current = pep;
- }
- }
- private class PEP : IPlatformEnlightenmentProvider
- {
- private readonly IPlatformEnlightenmentProvider _old;
- private readonly IHostLifecycleNotifications _hln;
- public PEP(HLN hln)
- {
- _old = PlatformEnlightenmentProvider.Current;
- _hln = hln;
- }
- public T GetService<T>(params object[] args) where T : class
- {
- if (typeof(T) == typeof(IHostLifecycleNotifications))
- {
- return (T)_hln;
- }
- return _old.GetService<T>(args);
- }
- }
- private class HLN : IHostLifecycleNotifications
- {
- public event EventHandler<HostSuspendingEventArgs> Suspending;
- public event EventHandler<HostResumingEventArgs> Resuming;
- public void OnSuspending()
- {
- Suspending?.Invoke(this, null);
- }
- public void OnResuming()
- {
- Resuming?.Invoke(this, null);
- }
- }
- #endif
- #endif
- #endregion
- #region DisableOptimizations
- #if !NO_PERF
- [TestMethod]
- public void DisableOptimizations_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.DisableOptimizations(default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.DisableOptimizations(default, new Type[0]));
- #if !WINDOWS && !NO_THREAD
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.DisableOptimizations(ThreadPoolScheduler.Instance, default));
- #endif
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.DisableOptimizations(Scheduler.Default).Schedule(42, default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.DisableOptimizations(Scheduler.Default).Schedule(42, TimeSpan.FromSeconds(1), default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.DisableOptimizations(Scheduler.Default).Schedule(42, DateTimeOffset.Now, default));
- }
- [TestMethod]
- public void DisableOptimizations1()
- {
- var s = TaskPoolScheduler.Default;
- Assert.True(s is IServiceProvider);
- var t = s.DisableOptimizations();
- var d = t.Now - s.Now;
- Assert.True(d.TotalSeconds < 1);
- var e1 = new ManualResetEvent(false);
- t.Schedule(42, (self, state) =>
- {
- e1.Set();
- return Disposable.Empty;
- });
- e1.WaitOne();
- var e2 = new ManualResetEvent(false);
- t.Schedule(42, TimeSpan.FromMilliseconds(1), (self, state) =>
- {
- e2.Set();
- return Disposable.Empty;
- });
- e2.WaitOne();
- var e3 = new ManualResetEvent(false);
- t.Schedule(42, DateTimeOffset.Now.AddMilliseconds(10), (self, state) =>
- {
- e3.Set();
- return Disposable.Empty;
- });
- e3.WaitOne();
- }
- [TestMethod]
- public void DisableOptimizations2()
- {
- var s = TaskPoolScheduler.Default;
- Assert.True(s is IServiceProvider);
- var lr1 = ((IServiceProvider)s).GetService(typeof(ISchedulerLongRunning));
- Assert.NotNull(lr1);
- var e1 = new ManualResetEvent(false);
- s.Schedule(42, (self, state) =>
- {
- Assert.True(self is IServiceProvider);
- var lrr1 = ((IServiceProvider)self).GetService(typeof(ISchedulerLongRunning));
- Assert.NotNull(lrr1);
- e1.Set();
- return Disposable.Empty;
- });
- e1.WaitOne();
- var t = s.DisableOptimizations();
- Assert.True(t is IServiceProvider);
- var lr2 = ((IServiceProvider)t).GetService(typeof(ISchedulerLongRunning));
- Assert.Null(lr2);
- var e2 = new ManualResetEvent(false);
- t.Schedule(42, (self, state) =>
- {
- Assert.True(self is IServiceProvider);
- var lrr2 = ((IServiceProvider)self).GetService(typeof(ISchedulerLongRunning));
- Assert.Null(lrr2);
- e2.Set();
- return Disposable.Empty;
- });
- e2.WaitOne();
- }
- [TestMethod]
- public void DisableOptimizations3()
- {
- var s = TaskPoolScheduler.Default;
- Assert.True(s is IServiceProvider);
- var lr1 = ((IServiceProvider)s).GetService(typeof(ISchedulerLongRunning));
- Assert.NotNull(lr1);
- var p1 = ((IServiceProvider)s).GetService(typeof(ISchedulerPeriodic));
- Assert.NotNull(p1);
- var e1 = new ManualResetEvent(false);
- s.Schedule(42, (self, state) =>
- {
- Assert.True(self is IServiceProvider);
- var lrr1 = ((IServiceProvider)self).GetService(typeof(ISchedulerLongRunning));
- Assert.NotNull(lrr1);
- var pr1 = ((IServiceProvider)self).GetService(typeof(ISchedulerPeriodic));
- Assert.NotNull(pr1);
- e1.Set();
- return Disposable.Empty;
- });
- e1.WaitOne();
- var t = s.DisableOptimizations(typeof(ISchedulerLongRunning));
- Assert.True(t is IServiceProvider);
- var lr2 = ((IServiceProvider)t).GetService(typeof(ISchedulerLongRunning));
- Assert.Null(lr2);
- var p2 = ((IServiceProvider)t).GetService(typeof(ISchedulerPeriodic));
- Assert.NotNull(p2);
- var e2 = new ManualResetEvent(false);
- t.Schedule(42, (self, state) =>
- {
- Assert.True(self is IServiceProvider);
- var lrr2 = ((IServiceProvider)self).GetService(typeof(ISchedulerLongRunning));
- Assert.Null(lrr2);
- var pr2 = ((IServiceProvider)self).GetService(typeof(ISchedulerPeriodic));
- Assert.NotNull(pr2);
- e2.Set();
- return Disposable.Empty;
- });
- e2.WaitOne();
- }
- #endif
- [TestMethod]
- public void DisableOptimizations_UnknownService()
- {
- var s = new MyScheduler();
- Assert.False(s is IServiceProvider);
- var d = s.DisableOptimizations();
- Assert.True(d is IServiceProvider);
- Assert.Null(((IServiceProvider)d).GetService(typeof(bool)));
- }
- private class MyScheduler : IScheduler
- {
- public MyScheduler()
- : this(DateTimeOffset.Now)
- {
- }
- public MyScheduler(DateTimeOffset now)
- {
- Now = now;
- }
- public DateTimeOffset Now
- {
- get;
- private set;
- }
- public IDisposable Schedule<T>(T state, Func<IScheduler, T, IDisposable> action)
- {
- return action(this, state);
- }
- public Action<Action<object>, object, TimeSpan> Check { get; set; }
- public long WaitCycles { get; set; }
- public IDisposable Schedule<T>(T state, TimeSpan dueTime, Func<IScheduler, T, IDisposable> action)
- {
- Check(o => action(this, (T)o), state, dueTime);
- WaitCycles += dueTime.Ticks;
- return action(this, state);
- }
- public IDisposable Schedule<T>(T state, DateTimeOffset dueTime, Func<IScheduler, T, IDisposable> action)
- {
- return Schedule(state, dueTime - Now, action);
- }
- }
- #endregion
- #region Catch
- [TestMethod]
- public void Catch_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Catch<Exception>(default, _ => true));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Catch<Exception>(Scheduler.Default, default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Catch<Exception>(Scheduler.Default, _ => true).Schedule(42, default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Catch<Exception>(Scheduler.Default, _ => true).Schedule(42, TimeSpan.FromSeconds(1), default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Catch<Exception>(Scheduler.Default, _ => true).Schedule(42, DateTimeOffset.Now, default));
- }
- [TestMethod]
- public void Catch_Builtin_Swallow_Shallow()
- {
- var done = new ManualResetEvent(false);
- var swallow = Scheduler.Default.Catch<InvalidOperationException>(_ => { done.Set(); return true; });
- swallow.Schedule(() =>
- {
- throw new InvalidOperationException();
- });
- done.WaitOne();
- }
- [TestMethod]
- public void Catch_Builtin_Swallow_Recursive()
- {
- var done = new ManualResetEvent(false);
- var swallow = Scheduler.Default.Catch<InvalidOperationException>(_ => { done.Set(); return true; });
- swallow.Schedule(42, (self, state) =>
- {
- return self.Schedule(() =>
- {
- throw new InvalidOperationException();
- });
- });
- done.WaitOne();
- }
- [TestMethod]
- public void Catch_Custom_Unhandled()
- {
- var err = default(Exception);
- var scheduler = new MyExceptionScheduler(ex_ => err = ex_);
- scheduler.Catch<InvalidOperationException>(_ => true).Schedule(() =>
- {
- throw new InvalidOperationException();
- });
- Assert.Null(err);
- var ex = new ArgumentException();
- scheduler.Catch<InvalidOperationException>(_ => true).Schedule(() =>
- {
- throw ex;
- });
- Assert.Same(ex, err);
- }
- [TestMethod]
- public void Catch_Custom_Rethrow()
- {
- var err = default(Exception);
- var scheduler = new MyExceptionScheduler(ex_ => err = ex_);
- var ex = new InvalidOperationException();
- scheduler.Catch<InvalidOperationException>(_ => false).Schedule(() =>
- {
- throw ex;
- });
- Assert.Same(ex, err);
- }
- [TestMethod]
- public void Catch_Custom_LongRunning_Caught()
- {
- var err = default(Exception);
- var scheduler = new MyExceptionScheduler(ex_ => err = ex_);
- var caught = false;
- var @catch = scheduler.Catch<InvalidOperationException>(_ => caught = true);
- var slr = (ISchedulerLongRunning)((IServiceProvider)@catch).GetService(typeof(ISchedulerLongRunning));
- slr.ScheduleLongRunning(cancel =>
- {
- throw new InvalidOperationException();
- });
- Assert.True(caught);
- Assert.Null(err);
- var ex = new ArgumentException();
- slr.ScheduleLongRunning(cancel =>
- {
- throw ex;
- });
- Assert.Same(ex, err);
- }
- [TestMethod]
- public void Catch_Custom_LongRunning_Rethrow()
- {
- var err = default(Exception);
- var scheduler = new MyExceptionScheduler(ex_ => err = ex_);
- var @catch = scheduler.Catch<InvalidOperationException>(_ => false);
- var slr = (ISchedulerLongRunning)((IServiceProvider)@catch).GetService(typeof(ISchedulerLongRunning));
- var done = false;
- slr.ScheduleLongRunning(cancel =>
- {
- done = true;
- });
- Assert.True(done);
- var ex = new InvalidOperationException();
- slr.ScheduleLongRunning(cancel =>
- {
- throw ex;
- });
- Assert.Same(ex, err);
- }
- [TestMethod]
- public void Catch_Custom_Periodic_Regular()
- {
- var scheduler = new MyExceptionScheduler(_ => { })
- {
- PeriodicStopped = new ManualResetEvent(false)
- };
- var @catch = scheduler.Catch<InvalidOperationException>(_ => true);
- var per = (ISchedulerPeriodic)((IServiceProvider)@catch).GetService(typeof(ISchedulerPeriodic));
- var madeProgress = new ManualResetEvent(false);
- var d = per.SchedulePeriodic(0, TimeSpan.Zero, x =>
- {
- if (x > 10)
- {
- madeProgress.Set();
- }
- return x + 1;
- });
- madeProgress.WaitOne();
- d.Dispose();
- scheduler.PeriodicStopped.WaitOne();
- }
- [TestMethod]
- public void Catch_Custom_Periodic_Uncaught1()
- {
- var err = default(Exception);
- var done = new ManualResetEvent(false);
- var scheduler = new MyExceptionScheduler(ex_ => { err = ex_; done.Set(); })
- {
- PeriodicStopped = new ManualResetEvent(false)
- };
- var @catch = scheduler.Catch<InvalidOperationException>(_ => true);
- var per = (ISchedulerPeriodic)((IServiceProvider)@catch).GetService(typeof(ISchedulerPeriodic));
- var ex = new ArgumentException();
- per.SchedulePeriodic(42, TimeSpan.Zero, x =>
- {
- throw ex;
- });
- scheduler.PeriodicStopped.WaitOne();
- done.WaitOne();
- Assert.Same(ex, err);
- }
- [TestMethod]
- public void Catch_Custom_Periodic_Uncaught2()
- {
- var err = default(Exception);
- var done = new ManualResetEvent(false);
- var scheduler = new MyExceptionScheduler(ex_ => { err = ex_; done.Set(); })
- {
- PeriodicStopped = new ManualResetEvent(false)
- };
- var @catch = scheduler.Catch<InvalidOperationException>(_ => false);
- var per = (ISchedulerPeriodic)((IServiceProvider)@catch).GetService(typeof(ISchedulerPeriodic));
- var ex = new InvalidOperationException();
- per.SchedulePeriodic(42, TimeSpan.Zero, x =>
- {
- throw ex;
- });
- scheduler.PeriodicStopped.WaitOne();
- done.WaitOne();
- Assert.Same(ex, err);
- }
- [TestMethod]
- public void Catch_Custom_Periodic_Caught()
- {
- var err = default(Exception);
- var scheduler = new MyExceptionScheduler(ex_ => err = ex_)
- {
- PeriodicStopped = new ManualResetEvent(false)
- };
- var caught = new ManualResetEvent(false);
- var @catch = scheduler.Catch<InvalidOperationException>(_ => { caught.Set(); return true; });
- var per = (ISchedulerPeriodic)((IServiceProvider)@catch).GetService(typeof(ISchedulerPeriodic));
- per.SchedulePeriodic(42, TimeSpan.Zero, x =>
- {
- throw new InvalidOperationException();
- });
- scheduler.PeriodicStopped.WaitOne();
- caught.WaitOne();
- Assert.Null(err);
- }
- private class MyExceptionScheduler : LocalScheduler, ISchedulerLongRunning, ISchedulerPeriodic
- {
- private readonly Action<Exception> _onError;
- public MyExceptionScheduler(Action<Exception> onError)
- {
- _onError = onError;
- }
- public override IDisposable Schedule<TState>(TState state, Func<IScheduler, TState, IDisposable> action)
- {
- try
- {
- return action(this, state);
- }
- catch (Exception exception)
- {
- _onError(exception);
- return Disposable.Empty;
- }
- }
- public override IDisposable Schedule<TState>(TState state, TimeSpan dueTime, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- public IDisposable ScheduleLongRunning<TState>(TState state, Action<TState, ICancelable> action)
- {
- var b = new BooleanDisposable();
- try
- {
- action(state, b);
- }
- catch (Exception exception)
- {
- _onError(exception);
- return Disposable.Empty;
- }
- return b;
- }
- public ManualResetEvent PeriodicStopped { get; set; }
- public IDisposable SchedulePeriodic<TState>(TState state, TimeSpan period, Func<TState, TState> action)
- {
- var b = new BooleanDisposable();
- Scheduler.Default.Schedule(() =>
- {
- try
- {
- var s = state;
- for (var i = 0; true; i++)
- {
- if (i > 100 /* mimic delayed cancellation */ && b.IsDisposed)
- {
- break;
- }
- s = action(s);
- }
- }
- catch (Exception exception)
- {
- _onError(exception);
- }
- finally
- {
- PeriodicStopped.Set();
- }
- });
- return b;
- }
- }
- #endregion
- #region Services
- [TestMethod]
- public void InvalidService_Null()
- {
- var s = new MySchedulerWithoutServices();
- Assert.Null(((IServiceProvider)s).GetService(typeof(IAsyncResult)));
- }
- private class MySchedulerWithoutServices : LocalScheduler
- {
- public override IDisposable Schedule<TState>(TState state, TimeSpan dueTime, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- }
- [TestMethod]
- public void DetectServices_Null_1()
- {
- var s = new MyDumbScheduler1();
- Assert.Null(Scheduler.AsLongRunning(s));
- Assert.Null(Scheduler.AsPeriodic(s));
- Assert.Null(Scheduler.AsStopwatchProvider(s));
- }
- private class MyDumbScheduler1 : IScheduler
- {
- public DateTimeOffset Now
- {
- get { throw new NotImplementedException(); }
- }
- public IDisposable Schedule<TState>(TState state, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- public IDisposable Schedule<TState>(TState state, TimeSpan dueTime, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- public IDisposable Schedule<TState>(TState state, DateTimeOffset dueTime, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- }
- [TestMethod]
- public void DetectServices_Null_2()
- {
- var s = new MyDumbScheduler2(new Dictionary<Type, object>());
- Assert.Null(Scheduler.AsLongRunning(s));
- Assert.Null(Scheduler.AsPeriodic(s));
- Assert.Null(Scheduler.AsStopwatchProvider(s));
- }
- [TestMethod]
- public void DetectServices_Found()
- {
- {
- var x = new MyLongRunning();
- var s = new MyDumbScheduler2(new Dictionary<Type, object>
- {
- { typeof(ISchedulerLongRunning), x }
- });
- Assert.Equal(x, Scheduler.AsLongRunning(s));
- }
- {
- var x = new MyStopwatchProvider();
- var s = new MyDumbScheduler2(new Dictionary<Type, object>
- {
- { typeof(IStopwatchProvider), x }
- });
- Assert.Equal(x, Scheduler.AsStopwatchProvider(s));
- }
- {
- var x = new MyPeriodic();
- var s = new MyDumbScheduler2(new Dictionary<Type, object>
- {
- { typeof(ISchedulerPeriodic), x }
- });
- Assert.Equal(x, Scheduler.AsPeriodic(s));
- }
- }
- private class MyDumbScheduler2 : IScheduler, IServiceProvider
- {
- private readonly Dictionary<Type, object> _services;
- public MyDumbScheduler2(Dictionary<Type, object> services)
- {
- _services = services;
- }
- public DateTimeOffset Now
- {
- get { throw new NotImplementedException(); }
- }
- public IDisposable Schedule<TState>(TState state, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- public IDisposable Schedule<TState>(TState state, TimeSpan dueTime, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- public IDisposable Schedule<TState>(TState state, DateTimeOffset dueTime, Func<IScheduler, TState, IDisposable> action)
- {
- throw new NotImplementedException();
- }
- public object GetService(Type serviceType)
- {
- if (_services.TryGetValue(serviceType, out var res))
- {
- return res;
- }
- return null;
- }
- }
- private class MyLongRunning : ISchedulerLongRunning
- {
- public IDisposable ScheduleLongRunning<TState>(TState state, Action<TState, ICancelable> action)
- {
- throw new NotImplementedException();
- }
- }
- private class MyStopwatchProvider : IStopwatchProvider
- {
- public IStopwatch StartStopwatch()
- {
- throw new NotImplementedException();
- }
- }
- private class MyPeriodic : ISchedulerPeriodic
- {
- public IDisposable SchedulePeriodic<TState>(TState state, TimeSpan period, Func<TState, TState> action)
- {
- throw new NotImplementedException();
- }
- }
- #endregion
- [TestMethod]
- public void SchedulerAsync_Yield_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Yield(default));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Yield(default, CancellationToken.None));
- }
- [TestMethod]
- public void SchedulerAsync_Sleep_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Sleep(default, TimeSpan.Zero));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Sleep(default, TimeSpan.Zero, CancellationToken.None));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Sleep(default, DateTimeOffset.MinValue));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Sleep(default, DateTimeOffset.MinValue, CancellationToken.None));
- }
- [TestMethod]
- public void SchedulerAsync_ScheduleAsync_ArgumentChecking()
- {
- var tcs = new TaskCompletionSource<IDisposable>();
- var t = tcs.Task;
- var d = default(IScheduler);
- var s = Scheduler.Immediate;
- var rt = TimeSpan.Zero;
- var at = DateTimeOffset.MinValue;
- var a1 = new Func<IScheduler, int, CancellationToken, Task>((_, __, ___) => t);
- var d1 = default(Func<IScheduler, int, CancellationToken, Task>);
- var a2 = new Func<IScheduler, int, CancellationToken, Task<IDisposable>>((_, __, ___) => t);
- var d2 = default(Func<IScheduler, int, CancellationToken, Task<IDisposable>>);
- var a3 = new Func<IScheduler, CancellationToken, Task>((_, __) => t);
- var d3 = default(Func<IScheduler, CancellationToken, Task>);
- var a4 = new Func<IScheduler, CancellationToken, Task<IDisposable>>((_, __) => t);
- var d4 = default(Func<IScheduler, CancellationToken, Task<IDisposable>>);
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, 42, a1));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, 42, d1));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, 42, rt, a1));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, 42, rt, d1));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, 42, at, a1));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, 42, at, d1));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, 42, a2));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, 42, d2));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, 42, rt, a2));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, 42, rt, d2));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, 42, at, a2));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, 42, at, d2));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, a3));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, d3));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, rt, a3));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, rt, d3));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, at, a3));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, at, d3));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, a4));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, d4));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, rt, a4));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, rt, d4));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(d, at, a4));
- ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.ScheduleAsync(s, at, d4));
- }
- [TestMethod]
- public void SchedulerAsync_ScheduleAsync_Overloads1()
- {
- var tcsI = new TaskCompletionSource<int>();
- var t = tcsI.Task;
- tcsI.SetResult(0);
- var tcsD = new TaskCompletionSource<IDisposable>();
- var d = tcsD.Task;
- tcsD.SetResult(Disposable.Empty);
- var s = new TestScheduler();
- var o = s.CreateObserver<int>();
- s.ScheduleAsync((_, ct) =>
- {
- o.OnNext(42);
- return t;
- });
- s.ScheduleAsync((_, ct) =>
- {
- o.OnNext(43);
- return d;
- });
- s.ScheduleAsync(44, (_, x, ct) =>
- {
- o.OnNext(x);
- return t;
- });
- s.ScheduleAsync(45, (_, x, ct) =>
- {
- o.OnNext(45);
- return d;
- });
- s.Start();
- o.Messages.AssertEqual(
- OnNext(1, 42),
- OnNext(1, 43),
- OnNext(1, 44),
- OnNext(1, 45)
- );
- }
- [TestMethod]
- public void SchedulerAsync_ScheduleAsync_Overloads2()
- {
- var tcsI = new TaskCompletionSource<int>();
- var t = tcsI.Task;
- tcsI.SetResult(0);
- var tcsD = new TaskCompletionSource<IDisposable>();
- var d = tcsD.Task;
- tcsD.SetResult(Disposable.Empty);
- var s = new TestScheduler();
- var o = s.CreateObserver<int>();
- s.ScheduleAsync(TimeSpan.FromTicks(50), (_, ct) =>
- {
- o.OnNext(42);
- return t;
- });
- s.ScheduleAsync(TimeSpan.FromTicks(60), (_, ct) =>
- {
- o.OnNext(43);
- return d;
- });
- s.ScheduleAsync(44, TimeSpan.FromTicks(70), (_, x, ct) =>
- {
- o.OnNext(x);
- return t;
- });
- s.ScheduleAsync(45, TimeSpan.FromTicks(80), (_, x, ct) =>
- {
- o.OnNext(45);
- return d;
- });
- s.Start();
- o.Messages.AssertEqual(
- OnNext(50, 42),
- OnNext(60, 43),
- OnNext(70, 44),
- OnNext(80, 45)
- );
- }
- [TestMethod]
- public void SchedulerAsync_ScheduleAsync_Overloads3()
- {
- var tcsI = new TaskCompletionSource<int>();
- var t = tcsI.Task;
- tcsI.SetResult(0);
- var tcsD = new TaskCompletionSource<IDisposable>();
- var d = tcsD.Task;
- tcsD.SetResult(Disposable.Empty);
- var s = new TestScheduler();
- var o = s.CreateObserver<int>();
- s.ScheduleAsync(new DateTimeOffset(50, TimeSpan.Zero), (_, ct) =>
- {
- o.OnNext(42);
- return t;
- });
- s.ScheduleAsync(new DateTimeOffset(60, TimeSpan.Zero), (_, ct) =>
- {
- o.OnNext(43);
- return d;
- });
- s.ScheduleAsync(44, new DateTimeOffset(70, TimeSpan.Zero), (_, x, ct) =>
- {
- o.OnNext(x);
- return t;
- });
- s.ScheduleAsync(45, new DateTimeOffset(80, TimeSpan.Zero), (_, x, ct) =>
- {
- o.OnNext(45);
- return d;
- });
- s.Start();
- o.Messages.AssertEqual(
- OnNext(50, 42),
- OnNext(60, 43),
- OnNext(70, 44),
- OnNext(80, 45)
- );
- }
- [TestMethod]
- public void SchedulerAsync_ScheduleAsync_NoCancellation1()
- {
- var s = new TestScheduler();
- var o = s.CreateObserver<int>();
- s.ScheduleAsync(async (_, ct) =>
- {
- o.OnNext(42);
- await _.Yield();
- o.OnNext(43);
- await _.Sleep(TimeSpan.FromTicks(10));
- o.OnNext(44);
- await _.Sleep(new DateTimeOffset(250, TimeSpan.Zero));
- o.OnNext(45);
- });
- s.Start();
- o.Messages.AssertEqual(
- OnNext(1, 42),
- OnNext(2, 43),
- OnNext(12, 44),
- OnNext(250, 45)
- );
- }
- [TestMethod]
- public void SchedulerAsync_ScheduleAsync_NoCancellation2()
- {
- var s = new TestScheduler();
- var o = s.CreateObserver<int>();
- s.ScheduleAsync(async (_, ct) =>
- {
- o.OnNext(42);
- await _.Yield(ct);
- o.OnNext(43);
- await _.Sleep(TimeSpan.FromTicks(10), ct);
- o.OnNext(44);
- await _.Sleep(new DateTimeOffset(250, TimeSpan.Zero), ct);
- o.OnNext(45);
- });
- s.Start();
- o.Messages.AssertEqual(
- OnNext(1, 42),
- OnNext(2, 43),
- OnNext(12, 44),
- OnNext(250, 45)
- );
- }
- [TestMethod]
- public void SchedulerAsync_Awaiters()
- {
- var op = Scheduler.Immediate.Yield();
- var aw = op.GetAwaiter();
- ReactiveAssert.Throws<ArgumentNullException>(() => aw.OnCompleted(null));
- aw.OnCompleted(() => { });
- ReactiveAssert.Throws<InvalidOperationException>(() => aw.OnCompleted(() => { }));
- }
- [TestMethod]
- public void SchedulerAsync_Yield_Cancel1()
- {
- var cts = new CancellationTokenSource();
- var op = Scheduler.Immediate.Yield(cts.Token);
- var aw = op.GetAwaiter();
- cts.Cancel();
- Assert.True(aw.IsCompleted);
- ReactiveAssert.Throws<OperationCanceledException>(() => aw.GetResult());
- }
- [TestMethod]
- public void SchedulerAsync_Yield_Cancel2()
- {
- var cts = new CancellationTokenSource();
- var op = Scheduler.Immediate.Yield(cts.Token);
- var aw = op.GetAwaiter();
- Assert.False(aw.IsCompleted);
- aw.OnCompleted(() =>
- {
- //
- // TODO: Not needed for await pattern, but maybe should be wired up?
- //
- // Assert.True(aw.IsCompleted);
- cts.Cancel();
- ReactiveAssert.Throws<OperationCanceledException>(() => aw.GetResult());
- });
- }
- [TestMethod]
- public void SchedulerAsync_Sleep_Cancel()
- {
- var cts = new CancellationTokenSource();
- var op = Scheduler.Default.Sleep(TimeSpan.FromHours(1), cts.Token);
- var aw = op.GetAwaiter();
- Assert.False(aw.IsCompleted);
- var e = new ManualResetEvent(false);
- aw.OnCompleted(() =>
- {
- ReactiveAssert.Throws<OperationCanceledException>(() => aw.GetResult());
- e.Set();
- });
- cts.Cancel();
- e.WaitOne();
- }
- #if !NO_SYNCCTX
- [TestMethod]
- public void SchedulerAsync_ScheduleAsync_SyncCtx()
- {
- var old = SynchronizationContext.Current;
- try
- {
- var ctx = new MySyncCtx();
- SynchronizationContext.SetSynchronizationContext(ctx);
- var s = new TestScheduler();
- var o = s.CreateObserver<int>();
- s.ScheduleAsync(async (_, ct) =>
- {
- Assert.Same(ctx, SynchronizationContext.Current);
- o.OnNext(42);
- await _.Yield(ct).ConfigureAwait(true);
- Assert.Same(ctx, SynchronizationContext.Current);
- o.OnNext(43);
- await _.Sleep(TimeSpan.FromTicks(10), ct).ConfigureAwait(true);
- Assert.Same(ctx, SynchronizationContext.Current);
- o.OnNext(44);
- await _.Sleep(new DateTimeOffset(250, TimeSpan.Zero), ct).ConfigureAwait(true);
- Assert.Same(ctx, SynchronizationContext.Current);
- o.OnNext(45);
- });
- s.Start();
- o.Messages.AssertEqual(
- OnNext(1, 42),
- OnNext(2, 43),
- OnNext(12, 44),
- OnNext(250, 45)
- );
- }
- finally
- {
- SynchronizationContext.SetSynchronizationContext(old);
- }
- }
- private class MySyncCtx : SynchronizationContext
- {
- public override void Post(SendOrPostCallback d, object state)
- {
- d(state);
- }
- }
- #endif
- }
- }
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