// =========================
private void TakeWakesUpTest(DiskQueue <int> queue)
{
Barrier bar = new Barrier(2);
AtomicNullableBool takeResult = new AtomicNullableBool();
AtomicNullableBool takeResult2 = new AtomicNullableBool();
Task task = Task.Run(() =>
{
bar.SignalAndWait();
int item = 0;
takeResult.Value = queue.TryTake(out item, 60000);
Assert.AreEqual(100, item);
item = 0;
takeResult2.Value = queue.TryTake(out item, 60000);
Assert.AreEqual(200, item);
});
bar.SignalAndWait();
Thread.Sleep(10);
Assert.IsFalse(takeResult.HasValue);
queue.Add(100);
TimingAssert.AreEqual(10000, true, () => takeResult.Value);
Thread.Sleep(10);
Assert.IsFalse(takeResult2.HasValue);
queue.Add(200);
TimingAssert.AreEqual(10000, true, () => takeResult2.Value);
task.Wait();
}
public void TestNotificationReceived()
{
object syncObj = new object();
using (var testInst = new ConditionVariable(syncObj))
{
int result = 0;
var task = Task.Run(() =>
{
using (var waiter = testInst.Enter(60000))
{
if (waiter.Wait())
{
Interlocked.Exchange(ref result, 1);
}
else
{
Interlocked.Exchange(ref result, 2);
}
}
});
TimingAssert.AreEqual(10000, 1, () => testInst.WaiterCount);
Assert.AreEqual(0, Volatile.Read(ref result));
lock (syncObj)
{
testInst.Pulse();
}
TimingAssert.AreEqual(10000, 1, () => Volatile.Read(ref result));
}
}
public void TestWaitingPassed()
{
using (var inst = new MutuallyExclusivePrimitive())
{
Barrier bar = new Barrier(2);
int result = 0;
var task = Task.Run(() =>
{
bar.SignalAndWait();
using (var guard = inst.EnterBackground(60000, default(CancellationToken)))
{
if (guard.IsAcquired)
{
Interlocked.Exchange(ref result, 1);
}
else
{
Interlocked.Exchange(ref result, 2);
}
}
});
bar.SignalAndWait();
Thread.Sleep(20);
inst.AllowBackgroundGate();
TimingAssert.AreEqual(10000, 1, () => Volatile.Read(ref result));
task.Wait();
}
}
public void TestLongPredicateEstimatesOnceWithSmallTimeout()
{
object syncObj = new object();
using (var testInst = new ConditionVariable(syncObj))
{
int result = 0;
int estimCount = 0;
var task = Task.Run(() =>
{
using (var waiter = testInst.Enter(200))
{
if (waiter.Wait(_ => { Interlocked.Increment(ref estimCount); Thread.Sleep(500); return(false); }, (object)null))
{
Interlocked.Exchange(ref result, 1);
}
else
{
Interlocked.Exchange(ref result, 2);
}
}
});
lock (syncObj)
{
testInst.Pulse();
}
TimingAssert.AreEqual(10000, 2, () => Volatile.Read(ref result));
Assert.AreEqual(1, Volatile.Read(ref estimCount));
}
}
public void TestInterruptOnDispose()
{
object syncObj = new object();
using (var testInst = new ConditionVariable(syncObj))
{
int exitCount = 0;
var task = Task.Run(() =>
{
try
{
using (var waiter = testInst.Enter())
{
waiter.Wait(_ => false, (object)null);
}
}
catch (OperationInterruptedException) { }
Interlocked.Increment(ref exitCount);
});
TimingAssert.AreEqual(10000, 1, () => testInst.WaiterCount);
testInst.Dispose();
TimingAssert.AreEqual(10000, 1, () => Volatile.Read(ref exitCount));
task.Wait();
}
}
public void TestSingleDecreaseWork()
{
PartialThreadBlocker inst = new PartialThreadBlocker(4);
Barrier startBar = new Barrier(1 + 1);
int exitedCount = 0;
Task.Run(() =>
{
startBar.SignalAndWait();
inst.Wait();
Interlocked.Increment(ref exitedCount);
});
startBar.SignalAndWait();
TimingAssert.AreEqual(5000, 4, () => inst.ExpectedWaiterCount);
TimingAssert.AreEqual(5000, 1, () => inst.RealWaiterCount, "RealWaiterCount != 1");
for (int i = 1; i <= 4; i++)
{
inst.SubstractExpectedWaiterCount(1);
TimingAssert.AreEqual(5000, 4 - i, () => inst.ExpectedWaiterCount);
TimingAssert.AreEqual(5000, i == 4 ? 0 : 1, () => inst.RealWaiterCount);
}
TimingAssert.AreEqual(5000, 1, () => Volatile.Read(ref exitedCount), "exitedCount != 1");
}
public void TestBlockRequiredCount()
{
PartialThreadBlocker inst = new PartialThreadBlocker(4);
Barrier startBar = new Barrier(8 + 1);
int exitedCount = 0;
for (int i = 0; i < 8; i++)
{
Task.Run(() =>
{
startBar.SignalAndWait();
inst.Wait();
Interlocked.Increment(ref exitedCount);
});
}
startBar.SignalAndWait();
Assert.IsTrue(SpinWait.SpinUntil(() => Volatile.Read(ref exitedCount) >= 4 && inst.RealWaiterCount >= 4, 4000));
TimingAssert.AreEqual(5000, 8 - 4, () => Volatile.Read(ref exitedCount), "exitedCount != 8");
TimingAssert.AreEqual(5000, 4, () => inst.ExpectedWaiterCount, "ExpectedWaiterCount != 4");
TimingAssert.AreEqual(5000, 4, () => inst.RealWaiterCount, "RealWaiterCount != 4");
inst.SetExpectedWaiterCount(0);
TimingAssert.AreEqual(5000, 8, () => Volatile.Read(ref exitedCount), "exitedCount != 8");
TimingAssert.AreEqual(5000, 0, () => inst.ExpectedWaiterCount, "ExpectedWaiterCount != 0");
TimingAssert.AreEqual(5000, 0, () => inst.RealWaiterCount, "RealWaiterCount != 0");
}
public void TestTakeLock()
{
ThreadPoolQueueController q = new ThreadPoolQueueController(100, 1000);
bool takeCompleted = false;
int takeItem = 0;
int startedFlag = 0;
Task.Run(() =>
{
Interlocked.Exchange(ref startedFlag, 1);
takeItem = (TestThreadPoolItem)q.Take(null);
Volatile.Write(ref takeCompleted, true);
});
TimingAssert.IsTrue(5000, () => Volatile.Read(ref startedFlag) == 1);
Thread.Sleep(100);
Assert.IsFalse(takeCompleted);
q.Add(new TestThreadPoolItem(10), null);
TimingAssert.IsTrue(5000, () => Volatile.Read(ref takeCompleted));
Assert.AreEqual(10, takeItem);
Assert.AreEqual(0, q.GlobalQueue.OccupiedNodesCount);
}
public void TestSilentTakeCancellation()
{
ThreadPoolQueueController q = new ThreadPoolQueueController(100, 1000);
CancellationTokenSource cSrc = new CancellationTokenSource();
bool takeCompleted = false;
bool takeResult = false;
ThreadPoolWorkItem takenItem = null;
int startedFlag = 0;
Task.Run(() =>
{
Interlocked.Exchange(ref startedFlag, 1);
var res = q.TryTake(null, out takenItem, -1, cSrc.Token, false);
Volatile.Write(ref takeResult, res);
Volatile.Write(ref takeCompleted, true);
});
TimingAssert.IsTrue(5000, () => Volatile.Read(ref startedFlag) == 1);
Thread.Sleep(100);
Assert.IsFalse(takeCompleted);
cSrc.Cancel();
TimingAssert.IsTrue(5000, () => Volatile.Read(ref takeCompleted));
Assert.IsFalse(takeResult);
Assert.IsTrue(q.TryAdd(new TestThreadPoolItem(1), null, false, 0, CancellationToken.None));
Assert2.AreEqual(1, q.Take(null));
Assert.AreEqual(0, q.GlobalQueue.OccupiedNodesCount);
Assert.AreEqual(100, q.GlobalQueue.FreeNodesCount);
}
public void TestUnlockWhenItemReceive()
{
int processed = 0;
ManualResetEventSlim waiter = new ManualResetEventSlim(false);
using (DelegateQueueAsyncProcessor <int> proc = new DelegateQueueAsyncProcessor <int>(Environment.ProcessorCount, 1000, "name", (elem, token) =>
{
Interlocked.Increment(ref processed);
waiter.Wait(token);
}))
{
proc.Start();
for (int i = 0; i < proc.ThreadCount; i++)
{
proc.Add(i);
}
//if (!SpinWait.SpinUntil(() => Volatile.Read(ref processed) == proc.ThreadCount, 5000))
//{
// System.Diagnostics.Debugger.Launch();
// throw new Exception("Proc: " + Volatile.Read(ref processed).ToString() + ", threads: " + proc.ActiveThreadCount.ToString() +
// ", tasks: " + proc.ElementCount.ToString());
//}
TimingAssert.IsTrue(15000, () => Volatile.Read(ref processed) == proc.ThreadCount, "FAILED: wait for all thread start");
waiter.Set();
proc.Stop(true, true, true);
Assert.IsTrue(proc.State == QueueAsyncProcessorState.Stopped, "proc.State == QueueAsyncProcessorState.Stopped");
}
}
public void TestTakeBlocks()
{
PrioritizedElementsContainer <int> testInst = new PrioritizedElementsContainer <int>(new PoolElementComparer());
CancellationTokenSource tokSrc = new CancellationTokenSource();
bool wasCancelled = false;
bool wasEntered = false;
bool wasExited = false;
Task.Run(() =>
{
try
{
Volatile.Write(ref wasEntered, true);
PoolElementWrapper <int> item;
testInst.TryTake(out item, -1, tokSrc.Token);
}
catch (OperationCanceledException)
{
Volatile.Write(ref wasCancelled, true);
}
Volatile.Write(ref wasExited, true);
});
TimingAssert.IsTrue(10000, () => Volatile.Read(ref wasEntered));
Thread.Sleep(100);
Assert.IsFalse(Volatile.Read(ref wasExited));
tokSrc.Cancel();
TimingAssert.IsTrue(10000, () => Volatile.Read(ref wasExited));
Assert.IsTrue(Volatile.Read(ref wasCancelled));
}
public void SegmentBackgroundCompactionTest()
{
var segmentFactory = new MemorySegmentFactory <int>(10);
using (var queue = new DiskQueue <int>("dummy", segmentFactory, -1, true, 100))
{
Assert.AreEqual(1, queue.SegmentCount);
for (int i = 0; i < segmentFactory.Capacity; i++)
{
queue.Add(i);
}
Assert.AreEqual(1, queue.SegmentCount);
queue.Add(-1);
Assert.AreEqual(2, queue.SegmentCount);
Assert.AreEqual(2, segmentFactory.AllocatedSegments.Count);
for (int i = 0; i < segmentFactory.Capacity; i++)
{
queue.Take();
}
Assert.IsTrue(segmentFactory.AllocatedSegments[0].IsCompleted);
TimingAssert.AreEqual(10000, 1, () => { Interlocked.MemoryBarrier(); return(queue.SegmentCount); });
Assert.AreEqual(2, segmentFactory.AllocatedSegments.Count);
}
}
// =========================
private void TimeoutWorksTest(DiskQueue <int> queue)
{
Barrier bar = new Barrier(2);
AtomicNullableBool takeResult = new AtomicNullableBool();
AtomicNullableBool peekResult = new AtomicNullableBool();
AtomicNullableBool addResult = new AtomicNullableBool();
Task task = Task.Run(() =>
{
bar.SignalAndWait();
int item = 0;
takeResult.Value = queue.TryTake(out item, 100);
peekResult.Value = queue.TryPeek(out item, 100);
while (queue.TryAdd(-1))
{
;
}
addResult.Value = queue.TryAdd(100, 100);
});
bar.SignalAndWait();
TimingAssert.AreEqual(10000, false, () => takeResult.Value, "take");
TimingAssert.AreEqual(10000, false, () => peekResult.Value, "peek");
TimingAssert.AreEqual(10000, false, () => addResult.Value, "Add");
task.Wait();
}
// =========================
private void PeekWakesUpTest(DiskQueue <int> queue)
{
Barrier bar = new Barrier(3);
AtomicNullableBool peekResult = new AtomicNullableBool();
AtomicNullableBool peekResult2 = new AtomicNullableBool();
Task task = Task.Run(() =>
{
bar.SignalAndWait();
int item = 0;
peekResult.Value = queue.TryPeek(out item, 60000);
Assert.AreEqual(100, item);
});
Task task2 = Task.Run(() =>
{
bar.SignalAndWait();
int item = 0;
peekResult2.Value = queue.TryPeek(out item, 60000);
Assert.AreEqual(100, item);
});
bar.SignalAndWait();
Thread.Sleep(10);
Assert.IsFalse(peekResult.HasValue);
Assert.IsFalse(peekResult2.HasValue);
queue.Add(100);
TimingAssert.AreEqual(10000, true, () => peekResult.Value);
TimingAssert.AreEqual(10000, true, () => peekResult2.Value);
Task.WaitAll(task, task2);
}
public void TestSingleThreadWakeUpOnSignal()
{
using (var testInst = new MonitorObject())
{
int exitCount = 0;
int state = 0;
List <Task> tasks = new List <Task>();
for (int i = 0; i < 6; i++)
{
var task = Task.Run(() =>
{
using (var waiter = testInst.Enter())
{
waiter.Wait(_ => { return(Volatile.Read(ref state) > 0); }, (object)null);
Interlocked.Increment(ref exitCount);
}
});
tasks.Add(task);
}
TimingAssert.AreEqual(10000, 6, () => testInst.WaiterCount);
Interlocked.Increment(ref state);
for (int i = 0; i < 6; i++)
{
testInst.Pulse();
TimingAssert.AreEqual(10000, 5 - i, () => testInst.WaiterCount);
Thread.Sleep(50);
TimingAssert.AreEqual(10000, i + 1, () => Volatile.Read(ref exitCount));
}
Task.WaitAll(tasks.ToArray());
}
}
public void TestSendOrPostCallbackSyncThreadPoolWorkItem()
{
int value = 0;
System.Threading.SendOrPostCallback act = (s) =>
{
Interlocked.Increment(ref value);
};
var item = new SendOrPostCallbackSyncThreadPoolWorkItem(act, null);
bool waitFinished = false;
int startedFlag = 0;
Task.Run(() =>
{
Interlocked.Exchange(ref startedFlag, 1);
item.Wait();
Volatile.Write(ref waitFinished, true);
});
TimingAssert.IsTrue(5000, () => Volatile.Read(ref startedFlag) == 1);
Thread.Sleep(100);
Assert.AreEqual(0, value);
Assert.AreEqual(false, waitFinished);
item.Run(false, false);
TimingAssert.AreEqual(5000, 1, () => Volatile.Read(ref value));
TimingAssert.AreEqual(5000, true, () => Volatile.Read(ref waitFinished));
}
public void TestNotificationWithPredicateRef()
{
using (var testInst = new MonitorObject())
{
int result = 0;
int state = 0;
var task = Task.Run(() =>
{
using (var waiter = testInst.Enter(60000))
{
if (waiter.Wait((ref int s) => Volatile.Read(ref s) > 0, ref state))
{
Interlocked.Exchange(ref result, 1);
}
else
{
Interlocked.Exchange(ref result, 2);
}
}
});
TimingAssert.AreEqual(10000, 1, () => testInst.WaiterCount);
Assert.AreEqual(0, Volatile.Read(ref result));
testInst.Pulse();
Thread.Sleep(100);
Assert.AreEqual(0, Volatile.Read(ref result));
Interlocked.Increment(ref state);
testInst.Pulse();
TimingAssert.AreEqual(10000, 1, () => Volatile.Read(ref result));
task.Wait();
}
}
// =========================
private void PeekWakesUpTest(LevelingQueue <int> queue)
{
Barrier bar = new Barrier(3);
int peekResult = 0;
int peekResult2 = 0;
Task task = Task.Run(() =>
{
bar.SignalAndWait();
int item = 0;
AtomicSet(ref peekResult, queue.TryPeek(out item, 60000));
Assert.AreEqual(100, item);
});
Task task2 = Task.Run(() =>
{
bar.SignalAndWait();
int item = 0;
AtomicSet(ref peekResult2, queue.TryPeek(out item, 60000));
Assert.AreEqual(100, item);
});
bar.SignalAndWait();
Thread.Sleep(10);
Assert.AreEqual(0, Volatile.Read(ref peekResult));
queue.Add(100);
TimingAssert.AreEqual(10000, 1, () => Volatile.Read(ref peekResult));
TimingAssert.AreEqual(10000, 1, () => Volatile.Read(ref peekResult2));
Task.WaitAll(task, task2);
}
public void TestCancellationWork()
{
PartialThreadBlocker inst = new PartialThreadBlocker(4);
CancellationTokenSource tokSrc = new CancellationTokenSource();
int exitedCount = 0;
Task.Run(() =>
{
try
{
inst.Wait(tokSrc.Token);
}
catch (OperationCanceledException)
{
}
Interlocked.Increment(ref exitedCount);
});
TimingAssert.AreEqual(5000, 4, () => inst.ExpectedWaiterCount);
TimingAssert.AreEqual(5000, 1, () => inst.RealWaiterCount);
tokSrc.Cancel();
TimingAssert.AreEqual(5000, 4, () => inst.ExpectedWaiterCount);
TimingAssert.AreEqual(5000, 0, () => inst.RealWaiterCount);
TimingAssert.AreEqual(5000, 1, () => Volatile.Read(ref exitedCount));
}
// =========================
private void TimeoutWorksTest(LevelingQueue <int> queue)
{
Barrier bar = new Barrier(2);
int takeResult = 0;
int peekResult = 0;
int addResult = 0;
Task task = Task.Run(() =>
{
bar.SignalAndWait();
int item = 0;
AtomicSet(ref takeResult, queue.TryTake(out item, 100));
AtomicSet(ref peekResult, queue.TryPeek(out item, 100));
while (queue.TryAdd(-1))
{
;
}
if (queue.IsBackgroundTransferingEnabled)
{
queue.AddForcedToHighLevelQueue(-1);
queue.AddForced(-1); // To prevent background transferer from freeing the space
}
AtomicSet(ref addResult, queue.TryAdd(100, 100));
});
bar.SignalAndWait();
TimingAssert.AreEqual(10000, 2, () => Volatile.Read(ref takeResult), "take");
TimingAssert.AreEqual(10000, 2, () => Volatile.Read(ref peekResult), "peek");
TimingAssert.AreEqual(10000, 2, () => Volatile.Read(ref addResult), "Add");
task.Wait();
}
public void TestTimeoutWorks()
{
object syncObj = new object();
using (var testInst = new ConditionVariable(syncObj))
{
int result = 0;
var task = Task.Run(() =>
{
using (var waiter = testInst.Enter(500))
{
if (waiter.Wait(_ => false, (object)null))
{
Interlocked.Exchange(ref result, 1);
}
else
{
Interlocked.Exchange(ref result, 2);
}
}
});
lock (syncObj)
{
testInst.Pulse();
}
TimingAssert.AreEqual(10000, 2, () => Volatile.Read(ref result));
}
}
public void BacgroundTransferingWorksNonOrdBcg()
{
MemoryQueue <int> high = new MemoryQueue <int>(10);
MemoryQueue <int> low = new MemoryQueue <int>(10);
high.Add(1);
while (low.TryAdd(low.Count + 2))
{
;
}
using (var inst = new LevelingQueue <int>(high, low, LevelingQueueAddingMode.PreferLiveData, true))
{
Assert.AreEqual(1, inst.Take());
TimingAssert.AreEqual(10000, 10, () => high.Count);
Assert.AreEqual(0, low.Count);
int item = 0;
int expected = 2;
while (inst.TryTake(out item))
{
Assert.AreEqual(expected++, item);
}
}
}
public void TestAllThreadWakeUpOnSignalAll()
{
object syncObj = new object();
using (var testInst = new ConditionVariable(syncObj))
{
int exitCount = 0;
int state = 0;
List <Task> tasks = new List <Task>();
for (int i = 0; i < 6; i++)
{
var task = Task.Run(() =>
{
using (var waiter = testInst.Enter())
{
waiter.Wait(_ => { return(Volatile.Read(ref state) > 0); }, (object)null);
Interlocked.Increment(ref exitCount);
}
});
tasks.Add(task);
}
TimingAssert.AreEqual(10000, 6, () => testInst.WaiterCount);
Interlocked.Increment(ref state);
lock (syncObj)
{
testInst.PulseAll();
}
TimingAssert.AreEqual(10000, 0, () => testInst.WaiterCount);
TimingAssert.AreEqual(10000, 6, () => Volatile.Read(ref exitCount));
}
}
public void TestCustomTimeoutWorks()
{
using (var testInst = new MonitorObject())
{
int result = 0;
var task = Task.Run(() =>
{
using (var waiter = testInst.Enter(60000))
{
if (waiter.Wait(100))
{
Interlocked.Exchange(ref result, 1);
}
else
{
Interlocked.Exchange(ref result, 2);
}
}
});
TimingAssert.AreEqual(10000, 1, () => testInst.WaiterCount);
TimingAssert.AreEqual(10000, 2, () => Volatile.Read(ref result));
task.Wait();
}
}
public void TestPredicateCalledOnTimeout()
{
object syncObj = new object();
using (var testInst = new ConditionVariable(syncObj))
{
int result = 0;
int state = 0;
int called = 0;
var task = Task.Run(() =>
{
using (var waiter = testInst.Enter(100))
{
if (waiter.Wait((s) => { Interlocked.Increment(ref called); return(Volatile.Read(ref state) > 0); }, new object()))
{
Interlocked.Exchange(ref result, 1);
}
else
{
Interlocked.Exchange(ref result, 2);
}
}
});
TimingAssert.AreEqual(10000, 1, () => testInst.WaiterCount);
TimingAssert.AreEqual(10000, 2, () => Volatile.Read(ref result));
TimingAssert.AreEqual(10000, 2, () => Volatile.Read(ref called));
}
}
public void TestIsTimeoutedWorks()
{
using (var testInst = new MonitorObject())
{
int result = 0;
int cycleCount = 0;
var task = Task.Run(() =>
{
using (var waiter = testInst.Enter(200))
{
while (!waiter.IsTimeouted)
{
waiter.Wait(10);
Interlocked.Increment(ref cycleCount);
}
Interlocked.Exchange(ref result, 1);
}
});
TimingAssert.AreEqual(10000, 1, () => testInst.WaiterCount);
TimingAssert.AreEqual(10000, 1, () => Volatile.Read(ref result));
Assert.IsTrue(Volatile.Read(ref cycleCount) > 0);
task.Wait();
}
}
public void CaptureContextNoSyncContextTest()
{
var originalContext = SynchronizationContext.Current;
var syncContext = new CustomSyncContext();
try
{
SynchronizationContext.SetSynchronizationContext(syncContext);
var eContext = ExecutionContextHelper.CaptureContextNoSyncContextIfPossible();
Assert.IsNotNull(eContext);
AtomicBool isDefaulContext = new AtomicBool(false);
var task = Task.Run(() =>
{
SynchronizationContext.SetSynchronizationContext(null);
ExecutionContextHelper.RunInContext(eContext, (st) =>
{
isDefaulContext.Value = SynchronizationContext.Current == null;
}, null, true);
});
task.Wait();
TimingAssert.IsTrue(10000, isDefaulContext, "Default context expected");
}
finally
{
SynchronizationContext.SetSynchronizationContext(originalContext);
}
}
public void TestCancellationWorksInWaitNoParam()
{
using (var testInst = new MonitorObject())
{
int result = 0;
CancellationTokenSource tokenSrc = new CancellationTokenSource();
var task = Task.Run(() =>
{
try
{
using (var waiter = testInst.Enter(60000, tokenSrc.Token))
{
while (!waiter.Wait())
{
}
Interlocked.Exchange(ref result, 1);
}
}
catch (OperationCanceledException)
{
Interlocked.Exchange(ref result, 3);
}
});
testInst.Pulse();
Thread.Sleep(100);
Assert.AreEqual(0, Volatile.Read(ref result));
tokenSrc.Cancel();
TimingAssert.AreEqual(10000, 3, () => Volatile.Read(ref result));
}
}
public void TestCancellation()
{
SemaphoreLight inst = new SemaphoreLight(0);
CancellationTokenSource tokenSrc = new CancellationTokenSource();
bool cancelled = false;
Task.Run(() =>
{
try
{
inst.Wait(tokenSrc.Token);
}
catch (OperationCanceledException)
{
Volatile.Write(ref cancelled, true);
Thread.MemoryBarrier();
}
});
TimingAssert.IsTrue(5000, () => inst.WaiterCount > 0);
Assert.IsFalse(Volatile.Read(ref cancelled));
tokenSrc.Cancel();
TimingAssert.IsTrue(5000, () => Volatile.Read(ref cancelled));
Assert.AreEqual(0, inst.CurrentCount);
Assert.AreEqual(0, inst.WaiterCount);
}
// =========================
private void AddWakesUpTest(DiskQueue <int> queue, int segmentCapacity)
{
while (queue.TryAdd(100))
{
; // Fill queue
}
queue.AddForced(200);
Barrier bar = new Barrier(2);
AtomicNullableBool addResult = new AtomicNullableBool();
Task task = Task.Run(() =>
{
bar.SignalAndWait();
addResult.Value = queue.TryAdd(-100, 60000);
});
bar.SignalAndWait();
Thread.Sleep(10);
Assert.IsFalse(addResult.HasValue);
queue.Take();
Thread.Sleep(10);
Assert.IsFalse(addResult.HasValue);
for (int i = 0; i < segmentCapacity; i++)
{
int tmp = 0;
Assert.IsTrue(queue.TryTake(out tmp));
}
TimingAssert.AreEqual(10000, true, () => addResult.Value);
task.Wait();
}