private static void VerifyLocalDataSlot(LocalDataStoreSlot slot)
{
Assert.NotNull(slot);
var waitForThreadArray = new Action[2];
var threadArray = new Thread[2];
var barrier = new Barrier(threadArray.Length);
var cancellationTokenSource = new CancellationTokenSource();
var cancellationToken = cancellationTokenSource.Token;
Func <bool> barrierSignalAndWait =
() =>
{
try
{
Assert.True(barrier.SignalAndWait(UnexpectedTimeoutMilliseconds, cancellationToken));
}
catch (OperationCanceledException)
{
return(false);
}
return(true);
};
Action <int> threadMain =
threadIndex =>
{
try
{
Assert.Null(Thread.GetData(slot));
if (!barrierSignalAndWait())
{
return;
}
if (threadIndex == 0)
{
Thread.SetData(slot, threadIndex);
}
if (!barrierSignalAndWait())
{
return;
}
if (threadIndex == 0)
{
Assert.Equal(threadIndex, Thread.GetData(slot));
}
else
{
Assert.Null(Thread.GetData(slot));
}
if (!barrierSignalAndWait())
{
return;
}
if (threadIndex != 0)
{
Thread.SetData(slot, threadIndex);
}
if (!barrierSignalAndWait())
{
return;
}
Assert.Equal(threadIndex, Thread.GetData(slot));
if (!barrierSignalAndWait())
{
return;
}
}
catch (Exception ex)
{
cancellationTokenSource.Cancel();
throw new TargetInvocationException(ex);
}
};
for (int i = 0; i < threadArray.Length; ++i)
{
threadArray[i] = ThreadTestHelpers.CreateGuardedThread(out waitForThreadArray[i], () => threadMain(i));
threadArray[i].IsBackground = true;
threadArray[i].Start();
}
foreach (var waitForThread in waitForThreadArray)
{
waitForThread();
}
}
public static void CurrentPrincipalTest_SkipOnDesktopFramework()
{
ThreadTestHelpers.RunTestInBackgroundThread(() => Assert.Null(Thread.CurrentPrincipal));
}
public static void ExecutionContextTest()
{
ThreadTestHelpers.RunTestInBackgroundThread(
() => Assert.Equal(ExecutionContext.Capture(), Thread.CurrentThread.ExecutionContext));
}
public static void CountTest()
{
RemoteExecutor.Invoke(() =>
{
const int TimersPerThread = 64;
int processorCount = Environment.ProcessorCount;
int totalTimerCount = processorCount * TimersPerThread;
var timers = new List <Timer>(totalTimerCount);
TimerCallback timerCallback = _ => { };
var startCreateTimerThreads = new ManualResetEvent(false);
Action createTimerThreadStart = () =>
{
startCreateTimerThreads.WaitOne();
for (int i = 0; i < TimersPerThread; ++i)
{
lock (timers)
{
timers.Add(
new Timer(
timerCallback,
null,
ThreadTestHelpers.UnexpectedTimeoutMilliseconds,
ThreadTestHelpers.UnexpectedTimeoutMilliseconds));
Assert.True(Timer.ActiveCount >= timers.Count);
}
}
};
var waitsForThread = new Action[processorCount];
for (int i = 0; i < processorCount; ++i)
{
Thread t = ThreadTestHelpers.CreateGuardedThread(out waitsForThread[i], createTimerThreadStart);
t.IsBackground = true;
t.Start();
}
startCreateTimerThreads.Set();
foreach (Action waitForThread in waitsForThread)
{
waitForThread();
}
// To leave some room for unknown timers to be scheduled and removed, remove a large number of timers at a time and
// verify that the timer count has decreased
while (timers.Count > 0)
{
long timerCountBeforeRemove = Timer.ActiveCount;
int endIndex = timers.Count - processorCount * 8;
for (int i = timers.Count - 1; i >= Math.Max(0, endIndex); --i)
{
timers[i].Dispose();
timers.RemoveAt(i);
}
if (endIndex >= 0)
{
Assert.True(Timer.ActiveCount < timerCountBeforeRemove);
}
}
}).Dispose();
}
