public async Task DoNotEnslaveAndDelayMessangerTest()
{
//The main difference, here as it should be used, but did not exist till .Net 4.5
TaskCompletionSource <object> tcs = new TaskCompletionSource <object>(TaskCreationOptions.RunContinuationsAsynchronously);
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(TCS.ReceiverInitialize, new StrategyOneOnOneUC())
.Register(TCS.ReceiverRecord, new StrategyOneOnOneUC())
.Register(TCS.MessangerSetResult, new StrategyOneOnOneUC())
;
sequencer.Run(seq => Receiver(seq, tcs)); //run Receiver in own thread
await sequencer.TestPointAsync(TCS.ReceiverInitialize); //receiver was running and is awaiting tcs now
sequencer.Run(seq => Messanger(seq, tcs)); //run Messanger in own thread
await sequencer.TestPointAsync(TCS.MessangerSetResult); //messanger SetResult executed
var worker = await sequencer.TestPointAsync(TCS.ReceiverRecord); //get info about Receivers thread
//Messanger was not executing code inside Receiver synchronously!
Assert.AreNotEqual(worker.ProductionArg, nameof(Messanger));
await sequencer.WhenAll(); // wait for all tasks to complete
Assert.DoesNotThrow(() => sequencer.TryReThrowException());
}
public async Task AwaitAlreadyEnqueuedDataTest()
{
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(AwaitAlreadyEnqueuedDataEnum.Enqueue2ItemsBegin, new StrategyOneOnOneUC())
.Register(AwaitAlreadyEnqueuedDataEnum.Enqueue2ItemsEnd, new StrategyOneOnOneUC())
.Register(AwaitAlreadyEnqueuedDataEnum.EnqueuedItemsAsyncBegin, new StrategyOneOnOneUC())
.Register(AwaitAlreadyEnqueuedDataEnum.EnqueuedItemsAsyncEnd, new StrategyOneOnOneUC())
;
const int throttle = 3;
IConcurrentQueueNotifier <string> notifier = new ConcurrentQueueNotifier <string>(throttle);
sequencer.Run(() => Insert2Items(sequencer, notifier));
sequencer.Run(() => AwaitEnqueuedData(sequencer, notifier));
await sequencer.TestPointCompleteAsync(AwaitAlreadyEnqueuedDataEnum.Enqueue2ItemsBegin); //enqueue data
await sequencer.TestPointCompleteAsync(AwaitAlreadyEnqueuedDataEnum.Enqueue2ItemsEnd); //enqueue completed
Assert.AreEqual(2, notifier.Count());
await sequencer.TestPointCompleteAsync(AwaitAlreadyEnqueuedDataEnum.EnqueuedItemsAsyncBegin); //begin awaiting enqueued data
await sequencer.TestPointCompleteAsync(AwaitAlreadyEnqueuedDataEnum.EnqueuedItemsAsyncEnd); //enqueued data should be detected
await sequencer.WhenAll();
sequencer.TryReThrowException();
}
public async Task Insert3ItemsThrottleTest()
{
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(Insert3ItemsThrottleTestEnum.Enqueue3Items_Begin, new StrategyOneOnOneUC())
.Register(Insert3ItemsThrottleTestEnum.Enqueue3Items_A, new StrategyOneOnOneUC())
.Register(Insert3ItemsThrottleTestEnum.Enqueue3Items_B, new StrategyOneOnOneUC())
.Register(Insert3ItemsThrottleTestEnum.Enqueue3Items_C_Throttle, new StrategyOneOnOneUC())
.Register(Insert3ItemsThrottleTestEnum.Enqueue3Items_End, new StrategyOneOnOneUC())
.Register(Insert3ItemsThrottleTestEnum.EnqueuedItemsAsyncBegin, new StrategyOneOnOneUC())
.Register(Insert3ItemsThrottleTestEnum.EnqueuedItemsAsyncDataItem, new StrategyOneOnOneUC())
.Register(Insert3ItemsThrottleTestEnum.EnqueuedItemsAsyncEnd, new StrategyOneOnOneUC())
;
const int throttle = 3;
IConcurrentQueueNotifier <string> notifier = new ConcurrentQueueNotifier <string>(throttle);
sequencer.Run(() => Insert3ItemsThrottle(sequencer, notifier));
sequencer.Run(() => AwaitDequeue3(sequencer, notifier));
IProductionPointUC prodPoint;
await sequencer.TestPointCompleteAsync(Insert3ItemsThrottleTestEnum.Enqueue3Items_Begin);
await sequencer.TestPointCompleteAsync(Insert3ItemsThrottleTestEnum.Enqueue3Items_A);
await sequencer.TestPointCompleteAsync(Insert3ItemsThrottleTestEnum.Enqueue3Items_B);
prodPoint = await sequencer.TestPointCompleteAsync(Insert3ItemsThrottleTestEnum.Enqueue3Items_C_Throttle);
Assert.IsFalse((prodPoint?.ProductionArg as Task)?.IsCompleted);
Assert.AreEqual(3, notifier.Count());
await sequencer.TestPointCompleteAsync(Insert3ItemsThrottleTestEnum.EnqueuedItemsAsyncBegin);
prodPoint = await sequencer.TestPointCompleteAsync(Insert3ItemsThrottleTestEnum.EnqueuedItemsAsyncDataItem);
Assert.AreEqual("A", prodPoint?.ProductionArg as string);
//throttling should be deactivated, resuming
await sequencer.TestPointCompleteAsync(Insert3ItemsThrottleTestEnum.Enqueue3Items_End);
prodPoint = await sequencer.TestPointCompleteAsync(Insert3ItemsThrottleTestEnum.EnqueuedItemsAsyncDataItem);
Assert.AreEqual("B", prodPoint?.ProductionArg as string);
prodPoint = await sequencer.TestPointCompleteAsync(Insert3ItemsThrottleTestEnum.EnqueuedItemsAsyncDataItem);
Assert.AreEqual("C", prodPoint?.ProductionArg as string);
await sequencer.TestPointCompleteAsync(Insert3ItemsThrottleTestEnum.EnqueuedItemsAsyncEnd);
await sequencer.WhenAll();
sequencer.TryReThrowException();
}
public async Task MultipleUnRegistrationsTest()
{
var tickGenerator = new TickGenerator(10);
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(Steps.Notify, new StrategyOneOnOneUC())
;
Action action = () =>
{
sequencer.Point(SeqPointTypeUC.Notify, Steps.Notify);
};
Task t = await tickGenerator.RegisterAsync(action).WrapIntoTask();
Assert.IsTrue(t.IsCompleted);
Assert.IsFalse(t.IsCanceled);
Assert.IsFalse(t.IsFaulted);
for (int i = 0; i < 10; i++)
{
await sequencer.TestPointAsync(Steps.Notify);
}
t = await tickGenerator.UnRegisterAsync(action).WrapIntoTask();
Assert.IsTrue(t.IsCompleted);
Assert.IsFalse(t.IsCanceled);
Assert.IsFalse(t.IsFaulted);
t = await tickGenerator.UnRegisterAsync(action).WrapIntoTask();
Assert.IsTrue(t.IsCompleted);
Assert.IsFalse(t.IsCanceled);
Assert.IsFalse(t.IsFaulted);
await sequencer.WhenAll();
sequencer.TryReThrowException();
}
public async Task AwaitAheadOfDataTest()
{
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(AwaitAheadOfDataEnum.Enqueue2ItemsBegin, new StrategyOneOnOneUC())
.Register(AwaitAheadOfDataEnum.Enqueue2ItemsA, new StrategyOneOnOneUC())
.Register(AwaitAheadOfDataEnum.Enqueue2ItemsEnd, new StrategyOneOnOneUC())
.Register(AwaitAheadOfDataEnum.EnqueuedItemsAsyncBegin, new StrategyOneOnOneUC())
.Register(AwaitAheadOfDataEnum.EnqueuedItemsAsyncAwaiting, new StrategyOneOnOneUC())
.Register(AwaitAheadOfDataEnum.EnqueuedItemsAsyncEnd, new StrategyOneOnOneUC())
;
const int throttle = 3;
IConcurrentQueueNotifier <string> notifier = new ConcurrentQueueNotifier <string>(throttle);
sequencer.Run(() => Enque2Items(sequencer, notifier));
sequencer.Run(() => AwaitAhedOfData(sequencer, notifier));
await sequencer.TestPointCompleteAsync(AwaitAheadOfDataEnum.EnqueuedItemsAsyncBegin);
IProductionPointUC point = await sequencer.TestPointCompleteAsync(AwaitAheadOfDataEnum.EnqueuedItemsAsyncAwaiting);
Task t = point.ProductionArg as Task;
Assert.IsFalse(t?.IsCompleted);
await sequencer.TestPointCompleteAsync(AwaitAheadOfDataEnum.Enqueue2ItemsBegin);
await sequencer.TestPointCompleteAsync(AwaitAheadOfDataEnum.Enqueue2ItemsA);
await sequencer.TestPointCompleteAsync(AwaitAheadOfDataEnum.EnqueuedItemsAsyncEnd);
await sequencer.TestPointCompleteAsync(AwaitAheadOfDataEnum.Enqueue2ItemsEnd);
Assert.AreEqual(1, notifier.Count());
await sequencer.WhenAll();
sequencer.TryReThrowException();
}
public async Task EnslaveAndDelayMessangerTest()
{
//The danger is hidden in using the messangers thread to run continuation,
//for semaphores in messanger/receiver blocks it can easily create deadlock,
//For monitor lock in messanger/receiver blocks it should mostly work well,
// recursivness takes care of it.
//For UI it is highly dangerous and unpredictable!
//If messanger is executed from UI, it will most often execute continuation synchronously on UI.
//BUT!
//In certain cases TaskCompletionSource can decide to run continuation asynchronously on UI.
//Same as if a delegate would not be executed directly but through BeginInvoke scheduled to queue
//and executed later.
//It is a breaking change to subsequent code, that might expect something will be already done before
//subsequent code is executed.
TaskCompletionSource <object> tcs = new TaskCompletionSource <object>();
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(TCS.ReceiverInitialize, new StrategyOneOnOneUC())
.Register(TCS.ReceiverRecord, new StrategyOneOnOneUC())
.Register(TCS.MessangerSetResult, new StrategyOneOnOneUC())
;
sequencer.Run(seq => Receiver(seq, tcs)); //run Receiver in its own thread
await sequencer.TestPointAsync(TCS.ReceiverInitialize); //receiver was running and is now awaiting tcs.Task
sequencer.Run(seq => Messanger(seq, tcs)); //run Messanger in its own thread
await sequencer.TestPointAsync(TCS.MessangerSetResult); //messanger SetResult executed
var worker = await sequencer.TestPointAsync(TCS.ReceiverRecord); //receiver was running and is now awaiting tcs.Task
//Messanger was executing code inside Receiver synchronously!
Assert.AreEqual(worker.ProductionArg, nameof(Messanger));
await sequencer.WhenAll(); // wait for all tasks to complete
Assert.DoesNotThrow(() => sequencer.TryReThrowException());
}
public async Task DisposeBasicTest()
{
var tickGenerator = new TickGenerator(10);
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(Steps.Notify, new StrategyOneOnOneUC())
;
Action action = () =>
{
sequencer.Point(SeqPointTypeUC.Notify, Steps.Notify);
};
tickGenerator.Dispose();
Task t = await tickGenerator.Disposed.WrapIntoTask();
Assert.IsTrue(t.IsCompleted);
Assert.IsFalse(t.IsCanceled);
Assert.IsFalse(t.IsFaulted);
Assert.ThrowsAsync <ObjectDisposedException>(async() => t = await tickGenerator.RegisterAsync(action).WrapIntoTask());
Assert.IsTrue(t.IsCompleted);
Assert.IsFalse(t.IsCanceled);
Assert.IsFalse(t.IsFaulted);
Assert.ThrowsAsync <ObjectDisposedException>(async() => t = await tickGenerator.UnRegisterAsync(action).WrapIntoTask());
Assert.IsTrue(t.IsCompleted);
Assert.IsFalse(t.IsCanceled);
Assert.IsFalse(t.IsFaulted);
await sequencer.WhenAll();
sequencer.TryReThrowException();
}
public async Task Concurrent2RegisterResultTest()
{
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(TimerProcessorSequencer.RegisterStatus, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.RegisterActiveProcessing, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.UnRegisterStatus, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.UnRegisterActiveProcessing, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.Processing, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.ExclusiveProcessing, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.BeginActiveProcessing, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.EndActiveProcessing, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.ActionsProcessing, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.ActionsProcessingCount, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.TryUpdateTimerBegin, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.TryUpdateTimerEnd, new StrategyOneOnOneUC())
.Register(TimerProcessorSequencer.CallBackProcessing, new StrategyOneOnOneUC())
//.Register(TimerProcessorSequencer.CallBackProcessing, new StrategyOneOnOneUC())
//.Register(TimerProcessorSequencer.CallBackProcessing, new StrategyOneOnOneUC())
//.Register(TimerProcessorSequencer.CallBackProcessing, new StrategyOneOnOneUC())
;
var timeprocessor = new TimerProcessor(10, new RealTimeSource(), sequencer);
var tt = Task.Run(() => timeprocessor.RegisterResultAsync(TimeSpan.FromMilliseconds(10000), new object()).WrapIntoTask());
var rStatus = await sequencer.TestPointAsync(TimerProcessorSequencer.RegisterStatus);
Assert.AreEqual(TimerProcessorStatus.Operating, rStatus.ProductionArg);
var rActiveProcesing = await sequencer.TestPointAsync(TimerProcessorSequencer.RegisterActiveProcessing);
Assert.AreEqual(false, rActiveProcesing.ProductionArg);
var processing = await sequencer.TestPointAsync(TimerProcessorSequencer.Processing);
var processingResult = (TimerProcessor.ProcessingResult)processing.ProductionArg;
Assert.AreEqual(TimerProcessor.ProcessingResult.Processed, processingResult);
var exclusiveProcessing = await sequencer.TestPointAsync(TimerProcessorSequencer.ExclusiveProcessing);
exclusiveProcessing.Complete();
var beginActiveProcessing = await sequencer.TestPointAsync(TimerProcessorSequencer.BeginActiveProcessing);
beginActiveProcessing.Complete();
var actionProcessing = await sequencer.TestPointAsync(TimerProcessorSequencer.ActionsProcessing);
actionProcessing.Complete();
Assert.AreEqual(false, actionProcessing.ProductionArg);
var updateTimerBegin = await sequencer.TestPointAsync(TimerProcessorSequencer.TryUpdateTimerBegin);
updateTimerBegin.Complete();
Assert.AreEqual(TimerProcessorTimerStatus.None, updateTimerBegin.ProductionArg);
var updateTimerEnd = await sequencer.TestPointAsync(TimerProcessorSequencer.TryUpdateTimerEnd);
updateTimerEnd.Complete();
Assert.AreEqual(TimerProcessorTimerStatus.Activate | TimerProcessorTimerStatus.IsActive | TimerProcessorTimerStatus.Changed, updateTimerEnd.ProductionArg);
var endActiveProcessing = await sequencer.TestPointAsync(TimerProcessorSequencer.EndActiveProcessing);
endActiveProcessing.Complete();
Assert.AreEqual(TimerProcessorStatus.Operating, endActiveProcessing.ProductionArg);
Task <TaskCompletionSource <object> > t = await tt;
Assert.IsTrue(t.IsCompleted);
Assert.IsFalse(t.IsCanceled);
Assert.IsFalse(t.IsFaulted);
TaskCompletionSource <object> tcs = t.Result;
for (int i = 0; i < 10; i++)
{
var callBackProcessing = await sequencer.TestPointAsync(TimerProcessorSequencer.CallBackProcessing);
callBackProcessing.Complete();
var processingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.Processing);
var processingCycleResult = (TimerProcessor.ProcessingResult)processingCycle.ProductionArg;
Assert.AreEqual(TimerProcessor.ProcessingResult.Processed, processingCycleResult);
var exclusiveProcessingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.ExclusiveProcessing);
exclusiveProcessingCycle.Complete();
var beginActiveProcessingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.BeginActiveProcessing);
beginActiveProcessingCycle.Complete();
var actionProcessingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.ActionsProcessing);
actionProcessingCycle.Complete();
Assert.AreEqual(true, actionProcessingCycle.ProductionArg);
var actionProcessingCountCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.ActionsProcessingCount);
Assert.AreEqual(1, actionProcessingCountCycle.ProductionArg);
//for (int j = 0; j < (int)actionProcessingCountCycle.ProductionArg; j++)
//{
// await sequencer.TestPointAsync(Steps.Notify);
//}
var updateTimerBeginCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.TryUpdateTimerBegin);
updateTimerBeginCycle.Complete();
Assert.AreEqual(TimerProcessorTimerStatus.IsActive, updateTimerBeginCycle.ProductionArg);
var updateTimerEndCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.TryUpdateTimerEnd);
updateTimerEndCycle.Complete();
Assert.AreEqual(TimerProcessorTimerStatus.Activate | TimerProcessorTimerStatus.IsActive, updateTimerEndCycle.ProductionArg);
var endActiveProcessingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.EndActiveProcessing);
endActiveProcessingCycle.Complete();
Assert.AreEqual(TimerProcessorStatus.Operating, endActiveProcessingCycle.ProductionArg);
}
for (int i = 0; i < 1; i++)
{
//var callBackProcessing =
await sequencer.TestPointAsync(TimerProcessorSequencer.CallBackProcessing);
//callBackProcessing.Complete();
//var processingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.Processing);
//var processingCycleResult = (TimerProcessor.ProcessingResult)processingCycle.ProductionArg;
//Assert.AreEqual(TimerProcessor.ProcessingResult.Processed, processingCycleResult);
//var exclusiveProcessingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.ExclusiveProcessing);
//exclusiveProcessingCycle.Complete();
//var beginActiveProcessingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.BeginActiveProcessing);
//beginActiveProcessingCycle.Complete();
//ActiveProcessing
tt = Task.Run(() => timeprocessor.UnRegisterAsync(tcs).WrapIntoTask());
var rStatusCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.UnRegisterStatus);
Assert.AreEqual(TimerProcessorStatus.Operating, rStatusCycle.ProductionArg);
var rActiveProcesingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.UnRegisterActiveProcessing);
Assert.AreEqual(false, rActiveProcesingCycle.ProductionArg);
var processingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.Processing);
var processingCycleResult = (TimerProcessor.ProcessingResult)processingCycle.ProductionArg;
Assert.AreEqual(TimerProcessor.ProcessingResult.Processed, processingCycleResult);
var exclusiveProcessingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.ExclusiveProcessing);
exclusiveProcessingCycle.Complete();
var beginActiveProcessingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.BeginActiveProcessing);
beginActiveProcessingCycle.Complete();
var actionProcessingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.ActionsProcessing);
actionProcessingCycle.Complete();
Assert.AreEqual(false, actionProcessingCycle.ProductionArg);
//var actionProcessingCountCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.ActionsProcessingCount);
//Assert.AreEqual(1, actionProcessingCountCycle.ProductionArg);
//for (int j = 0; j < (int)actionProcessingCountCycle.ProductionArg; j++)
//{
// await sequencer.TestPointAsync(Steps.Notify);
//}
var updateTimerBeginCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.TryUpdateTimerBegin);
updateTimerBeginCycle.Complete();
Assert.AreEqual(TimerProcessorTimerStatus.IsActive, updateTimerBeginCycle.ProductionArg);
var updateTimerEndCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.TryUpdateTimerEnd);
updateTimerEndCycle.Complete();
Assert.AreEqual(TimerProcessorTimerStatus.Changed, updateTimerEndCycle.ProductionArg);
var endActiveProcessingCycle = await sequencer.TestPointAsync(TimerProcessorSequencer.EndActiveProcessing);
endActiveProcessingCycle.Complete();
Assert.AreEqual(TimerProcessorStatus.Operating, endActiveProcessingCycle.ProductionArg);
}
t = await tt;
Assert.IsTrue(t.IsCompleted);
Assert.IsFalse(t.IsCanceled);
Assert.IsFalse(t.IsFaulted);
await sequencer.WhenAll();
sequencer.TryReThrowException();
}
public async Task ConcurrentSequencing()
{
StepConcurrentSequencing = 0;
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(ConcurrentSequencingPhase.Begin, new StrategyOneOnOneUC())
.Register(ConcurrentSequencingPhase.EnteringSimpleLock, new StrategyOneOnOneUC())
.Register(ConcurrentSequencingPhase.Locked, new StrategyOneOnOneUC())
.Register(ConcurrentSequencingPhase.LockedNotify, new StrategyOneOnOneUC())
.Register(ConcurrentSequencingPhase.End, new StrategyOneOnOneUC())
;
//StrategyOneOnOneUC each production code point(per thread) is matched to unit test point
//that is per point and per thread in production code
IAsyncLockUC Lock = new AsyncSpinLockUC();
//start first worker
sequencer.Run(seq => ConcurrentSequencingWorker(Lock, sequencer));
//await first worker to get to Begin point
var Begin1 = await sequencer.TestPointAsync(ConcurrentSequencingPhase.Begin);
//first worker at Begin point
//start second worker
sequencer.Run(seq => ConcurrentSequencingWorker(Lock, sequencer));
//await second worker to get to Begin point
var Begin2 = await sequencer.TestPointAsync(ConcurrentSequencingPhase.Begin);
//second worker at Begin point
//allow first worker to continue to Locked point
Begin1.Complete();
//Begin1.Fail(new Exception("Hmmmm"));
var notify1 = await sequencer.TestPointAsync(ConcurrentSequencingPhase.EnteringSimpleLock);
//await first worker to get to Locked point
var Locked1 = await sequencer.TestPointAsync(ConcurrentSequencingPhase.Locked);
Assert.AreEqual(0, Locked1.ProductionArg);
//first worker at Locked point
//spinlock is locked, first worker has exclusive access
//allow first worker to continue to Locked point it will spin until lock get opened
Begin2.Complete();
//this helps us to ensure we do not need thread waiting,
//notification are in production code completed awaiters,
//immediatelly executiong what is next after the await on notification,
//so it is known to be actively running thread!
var notify2 = await sequencer.TestPointAsync(ConcurrentSequencingPhase.EnteringSimpleLock);
//second worker has entered spinlock as is spinning!
//let first worker leave spin lock
Locked1.Complete();
//first thread is leaving the spinlock, but before leaving step value will be recorderd
//second thread is spinning to get inside
//LockedNotify can be checked if the recorded step value was 1 => thread 1 inside, thread 2 attempting to get inside
var LockedNotify1 = await sequencer.TestPointAsync(ConcurrentSequencingPhase.LockedNotify);
Assert.AreEqual(1, LockedNotify1.ProductionArg); //this is checking concurrency correctness, as threads were highly probably active during checking
//await first worker at End point
var End1 = await sequencer.TestPointAsync(ConcurrentSequencingPhase.End);
//first worker released spinlock
End1.Complete();
//first worker done
//await second worker at Locked point
var Locked2 = await sequencer.TestPointAsync(ConcurrentSequencingPhase.Locked);
//let second worker to continue to End point
Locked2.Complete();
var LockedNotify2 = await sequencer.TestPointAsync(ConcurrentSequencingPhase.LockedNotify);
Assert.AreEqual(0, LockedNotify2.ProductionArg);
//await second worker at the End point
var End2 = await sequencer.TestPointAsync(ConcurrentSequencingPhase.End);
//second worker released spinlock
End2.Complete();
//second worker done
await sequencer.WhenAll();
sequencer.TryReThrowException();
}
public async Task ConcurrentTest()
{
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(Steps.Notify, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.RegisterStatus, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.RegisterActiveProcessing, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.UnRegisterStatus, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.UnRegisterActiveProcessing, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.Processing, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.ExclusiveProcessing, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.BeginActiveProcessing, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.EndActiveProcessing, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.ActionsProcessing, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.ActionsProcessingCount, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.TryUpdateTimerBegin, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.TryUpdateTimerEnd, new StrategyOneOnOneUC())
.Register(TickGeneratorSequencer.CallBackProcessing, new StrategyOneOnOneUC())
//.Register(TickGeneratorSequencer.CallBackProcessing, new StrategyOneOnOneUC())
//.Register(TickGeneratorSequencer.CallBackProcessing, new StrategyOneOnOneUC())
//.Register(TickGeneratorSequencer.CallBackProcessing, new StrategyOneOnOneUC())
;
var tickGenerator = new TickGenerator(10, sequencer);
Action action = () =>
{
sequencer.Point(SeqPointTypeUC.Notify, Steps.Notify);
};
Task <Task> tt = Task.Run(() => tickGenerator.RegisterAsync(action).WrapIntoTask());
var rStatus = await sequencer.TestPointAsync(TickGeneratorSequencer.RegisterStatus);
Assert.AreEqual(TickGeneratorStatus.Operating, rStatus.ProductionArg);
var rActiveProcesing = await sequencer.TestPointAsync(TickGeneratorSequencer.RegisterActiveProcessing);
Assert.AreEqual(false, rActiveProcesing.ProductionArg);
var processing = await sequencer.TestPointAsync(TickGeneratorSequencer.Processing);
var processingResult = (TickGenerator.ProcessingResult)processing.ProductionArg;
Assert.AreEqual(TickGenerator.ProcessingResult.Processed, processingResult);
var exclusiveProcessing = await sequencer.TestPointAsync(TickGeneratorSequencer.ExclusiveProcessing);
exclusiveProcessing.Complete();
var beginActiveProcessing = await sequencer.TestPointAsync(TickGeneratorSequencer.BeginActiveProcessing);
beginActiveProcessing.Complete();
var actionProcessing = await sequencer.TestPointAsync(TickGeneratorSequencer.ActionsProcessing);
actionProcessing.Complete();
Assert.AreEqual(false, actionProcessing.ProductionArg);
var updateTimerBegin = await sequencer.TestPointAsync(TickGeneratorSequencer.TryUpdateTimerBegin);
updateTimerBegin.Complete();
Assert.AreEqual(TickGeneratorTimerStatus.None, updateTimerBegin.ProductionArg);
var updateTimerEnd = await sequencer.TestPointAsync(TickGeneratorSequencer.TryUpdateTimerEnd);
updateTimerEnd.Complete();
Assert.AreEqual(TickGeneratorTimerStatus.Activate | TickGeneratorTimerStatus.IsActive | TickGeneratorTimerStatus.Changed, updateTimerEnd.ProductionArg);
var endActiveProcessing = await sequencer.TestPointAsync(TickGeneratorSequencer.EndActiveProcessing);
endActiveProcessing.Complete();
Assert.AreEqual(TickGeneratorStatus.Operating, endActiveProcessing.ProductionArg);
Task t = await tt;
Assert.IsTrue(t.IsCompleted);
Assert.IsFalse(t.IsCanceled);
Assert.IsFalse(t.IsFaulted);
for (int i = 0; i < 10; i++)
{
var callBackProcessing = await sequencer.TestPointAsync(TickGeneratorSequencer.CallBackProcessing);
callBackProcessing.Complete();
var processingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.Processing);
var processingCycleResult = (TickGenerator.ProcessingResult)processingCycle.ProductionArg;
Assert.AreEqual(TickGenerator.ProcessingResult.Processed, processingCycleResult);
var exclusiveProcessingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.ExclusiveProcessing);
exclusiveProcessingCycle.Complete();
var beginActiveProcessingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.BeginActiveProcessing);
beginActiveProcessingCycle.Complete();
var actionProcessingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.ActionsProcessing);
actionProcessingCycle.Complete();
Assert.AreEqual(true, actionProcessingCycle.ProductionArg);
var actionProcessingCountCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.ActionsProcessingCount);
Assert.AreEqual(1, actionProcessingCountCycle.ProductionArg);
for (int j = 0; j < (int)actionProcessingCountCycle.ProductionArg; j++)
{
await sequencer.TestPointAsync(Steps.Notify);
}
var updateTimerBeginCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.TryUpdateTimerBegin);
updateTimerBeginCycle.Complete();
Assert.AreEqual(TickGeneratorTimerStatus.IsActive, updateTimerBeginCycle.ProductionArg);
var updateTimerEndCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.TryUpdateTimerEnd);
updateTimerEndCycle.Complete();
Assert.AreEqual(TickGeneratorTimerStatus.Activate | TickGeneratorTimerStatus.IsActive, updateTimerEndCycle.ProductionArg);
var endActiveProcessingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.EndActiveProcessing);
endActiveProcessingCycle.Complete();
Assert.AreEqual(TickGeneratorStatus.Operating, endActiveProcessingCycle.ProductionArg);
}
for (int i = 0; i < 1; i++)
{
var callBackProcessing = await sequencer.TestPointAsync(TickGeneratorSequencer.CallBackProcessing);
callBackProcessing.Complete();
var processingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.Processing);
var processingCycleResult = (TickGenerator.ProcessingResult)processingCycle.ProductionArg;
Assert.AreEqual(TickGenerator.ProcessingResult.Processed, processingCycleResult);
var exclusiveProcessingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.ExclusiveProcessing);
exclusiveProcessingCycle.Complete();
var beginActiveProcessingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.BeginActiveProcessing);
beginActiveProcessingCycle.Complete();
//ActiveProcessing
tt = Task.Run(() => tickGenerator.UnRegisterAsync(action).WrapIntoTask());
var rStatusCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.UnRegisterStatus);
Assert.AreEqual(TickGeneratorStatus.Operating, rStatusCycle.ProductionArg);
var rActiveProcesingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.UnRegisterActiveProcessing);
Assert.AreEqual(true, rActiveProcesingCycle.ProductionArg);
var actionProcessingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.ActionsProcessing);
actionProcessingCycle.Complete();
Assert.AreEqual(true, actionProcessingCycle.ProductionArg);
var actionProcessingCountCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.ActionsProcessingCount);
Assert.AreEqual(1, actionProcessingCountCycle.ProductionArg);
for (int j = 0; j < (int)actionProcessingCountCycle.ProductionArg; j++)
{
await sequencer.TestPointAsync(Steps.Notify);
}
var updateTimerBeginCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.TryUpdateTimerBegin);
updateTimerBeginCycle.Complete();
Assert.AreEqual(TickGeneratorTimerStatus.IsActive, updateTimerBeginCycle.ProductionArg);
var updateTimerEndCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.TryUpdateTimerEnd);
updateTimerEndCycle.Complete();
Assert.AreEqual(TickGeneratorTimerStatus.Changed, updateTimerEndCycle.ProductionArg);
var endActiveProcessingCycle = await sequencer.TestPointAsync(TickGeneratorSequencer.EndActiveProcessing);
endActiveProcessingCycle.Complete();
Assert.AreEqual(TickGeneratorStatus.Operating, endActiveProcessingCycle.ProductionArg);
}
t = await tt;
Assert.IsTrue(t.IsCompleted);
Assert.IsFalse(t.IsCanceled);
Assert.IsFalse(t.IsFaulted);
await sequencer.WhenAll();
sequencer.TryReThrowException();
}
public async Task ThreadAbortDuringUnmanagedCall()
{
object objLock = new object();
ISequencerUC sequencer =
SequencerUC
.Construct()
.Register(Worker.BeforeLock, new StrategyOneOnOneUC())
.Register(Worker.Locked, new StrategyOneOnOneUC())
.Register(Worker.Stuck, new StrategyOneOnOneUC())
;
sequencer.Run(seq => LockedWorker(seq, objLock)); //run 1st thread
sequencer.Run(seq => LockedWorker(seq, objLock)); //run 2nd thread
sequencer.Run(seq => LockedWorker(seq, objLock)); //run 3rd thread
var test1 = await sequencer.TestPointAsync(Worker.BeforeLock);
var test2 = await sequencer.TestPointAsync(Worker.BeforeLock);
var test3 = await sequencer.TestPointAsync(Worker.BeforeLock);
var th1 = test1.ProductionArg as Thread;
var th2 = test2.ProductionArg as Thread;
var th3 = test3.ProductionArg as Thread;
//only one gets inside lock
await sequencer.TestPointAsync(Worker.Locked);
//and will stuck intentionally
var intentionallyStuck = await sequencer.TestPointAsync(Worker.Stuck);
await Task.Delay(100);
await Task.Delay(100);
await Task.Delay(100);
await Task.Delay(100);
await Task.Delay(100);
await Task.Delay(100);
try
{
Thread thread = intentionallyStuck.ProductionArg as Thread;
await Task.Delay(100);
thread?.Abort();
th1?.Abort();
th2?.Abort();
th3?.Abort();
while (true)
{
try
{
await Task.Delay(100);
sequencer.TryReThrowException();
}
catch (Exception ex)
{
Assert.Warn(ex.Message);
}
}
}
catch (Exception ex)
{
Assert.Warn(ex.Message);
throw;
}
}
