public void SetNext() { var r = new DiscardRedundantWorkThrottle(); var ax = new ArgumentException(); var cx = new OperationCanceledException(); // results are propagated var n = 0; r.SetNextToAction(() => n++).AssertRanToCompletion(); n.AssertEquals(1); r.SetNextToFunction(() => 2).AssertRanToCompletion().AssertEquals(2); r.SetNextToAsyncFunction(Tasks.RanToCompletion).AssertRanToCompletion(); r.SetNextToAsyncFunction(() => Task.FromResult(3)).AssertRanToCompletion().AssertEquals(3); // faulted tasks are propagated r.SetNextToAsyncFunction(() => Tasks.Faulted(ax)).AssertFailed<ArgumentException>(); r.SetNextToAsyncFunction(() => Tasks.Faulted<int>(ax)).AssertFailed<ArgumentException>(); // cancelled tasks are propagated r.SetNextToAsyncFunction(Tasks.Cancelled).AssertCancelled(); r.SetNextToAsyncFunction(Tasks.Cancelled<int>).AssertCancelled(); // thrown cancellation exceptions indicate cancellation r.SetNextToAsyncFunction(() => { throw cx; }).AssertCancelled(); r.SetNextToAsyncFunction<int>(() => { throw cx; }).AssertCancelled(); r.SetNextToAction(() => { throw cx; }).AssertCancelled(); r.SetNextToFunction<int>(() => { throw cx; }).AssertCancelled(); // thrown exceptions are propagated r.SetNextToAsyncFunction(() => { throw ax; }).AssertFailed<ArgumentException>(); r.SetNextToAsyncFunction<int>(() => { throw ax; }).AssertFailed<ArgumentException>(); r.SetNextToAction(() => { throw ax; }).AssertFailed<ArgumentException>(); r.SetNextToFunction<int>(() => { throw ax; }).AssertFailed<ArgumentException>(); }
public void SetNext() { var r = new DiscardRedundantWorkThrottle(); var ax = new ArgumentException(); var cx = new OperationCanceledException(); // results are propagated var n = 0; r.SetNextToAction(() => n++).AssertRanToCompletion(); n.AssertEquals(1); r.SetNextToFunction(() => 2).AssertRanToCompletion().AssertEquals(2); r.SetNextToAsyncFunction(Tasks.RanToCompletion).AssertRanToCompletion(); r.SetNextToAsyncFunction(() => Task.FromResult(3)).AssertRanToCompletion().AssertEquals(3); // faulted tasks are propagated r.SetNextToAsyncFunction(() => Tasks.Faulted(ax)).AssertFailed <ArgumentException>(); r.SetNextToAsyncFunction(() => Tasks.Faulted <int>(ax)).AssertFailed <ArgumentException>(); // cancelled tasks are propagated r.SetNextToAsyncFunction(Tasks.Cancelled).AssertCancelled(); r.SetNextToAsyncFunction(Tasks.Cancelled <int>).AssertCancelled(); // thrown cancellation exceptions indicate cancellation r.SetNextToAsyncFunction(() => { throw cx; }).AssertCancelled(); r.SetNextToAsyncFunction <int>(() => { throw cx; }).AssertCancelled(); r.SetNextToAction(() => { throw cx; }).AssertCancelled(); r.SetNextToFunction <int>(() => { throw cx; }).AssertCancelled(); // thrown exceptions are propagated r.SetNextToAsyncFunction(() => { throw ax; }).AssertFailed <ArgumentException>(); r.SetNextToAsyncFunction <int>(() => { throw ax; }).AssertFailed <ArgumentException>(); r.SetNextToAction(() => { throw ax; }).AssertFailed <ArgumentException>(); r.SetNextToFunction <int>(() => { throw ax; }).AssertFailed <ArgumentException>(); }
public void WorksWithReentrancy() { for (var i = 0; i < 25; i++) { var r = new DiscardRedundantWorkThrottle(); var h = new TaskCompletionSource(); Task t = null; r.SetNextToAction(() => t = r.SetNextToAsyncFunction(() => h.Task)).AssertRanToCompletion(); t.AssertNotCompleted(timeout: TimeSpan.FromMilliseconds(5)); h.SetRanToCompletion(); t.AssertRanToCompletion(); } }
public void WaitsForAsyncAndCancels() { var r = new DiscardRedundantWorkThrottle(); var h = new TaskCompletionSource(); var t1 = r.SetNextToAsyncFunction(() => h.Task); var t2 = r.SetNextToAction(() => { }); new[] { t1, t2 }.WhenAny().AssertNotCompleted(); var t3 = r.SetNextToAction(() => { }); t2.AssertCancelled(); new[] {t1, t3}.WhenAny().AssertNotCompleted(); h.SetRanToCompletion(); t1.AssertRanToCompletion(); t3.AssertRanToCompletion(); }
public void WaitsForAsyncAndCancels() { var r = new DiscardRedundantWorkThrottle(); var h = new TaskCompletionSource(); var t1 = r.SetNextToAsyncFunction(() => h.Task); var t2 = r.SetNextToAction(() => { }); new[] { t1, t2 }.WhenAny().AssertNotCompleted(); var t3 = r.SetNextToAction(() => { }); t2.AssertCancelled(); new[] { t1, t3 }.WhenAny().AssertNotCompleted(); h.SetRanToCompletion(); t1.AssertRanToCompletion(); t3.AssertRanToCompletion(); }
public void WorksWithReentrancy() { for (var i = 0; i < 25; i++) { var r = new DiscardRedundantWorkThrottle(); var h = new TaskCompletionSource(); Task t = null; r.SetNextToAction(() => t = r.SetNextToAsyncFunction(() => h.Task)).AssertRanToCompletion(); t.AssertNotCompleted(timeout: TimeSpan.FromMilliseconds(5)); h.SetRanToCompletion(); t.AssertRanToCompletion(); } }