public void TryDequeueReferenceTest()
{
var queue = new ConcurrentQueue <object>();
var weakReference = AddObjectWeakReference(queue);
DequeueIgnore(queue);
ThreadEx.MemoryBarrier();
GC.Collect();
GC.WaitForPendingFinalizers();
ThreadEx.MemoryBarrier();
Assert.IsFalse(weakReference.IsAlive);
}
public static void TaskThreadIsBackgroundWhileLooping()
{
var signal = new[] { 0 };
Thread thread = null;
TaskEx.Run
(
() =>
{
thread = Thread.CurrentThread;
var spinWait = new SpinWait();
while (Volatile.Read(ref signal[0]) == 0)
{
spinWait.SpinOnce();
}
}
);
ThreadingHelper.SpinWaitWhileNull(ref thread);
Assert.IsTrue((thread.ThreadState & ThreadState.Background) != 0);
ThreadEx.MemoryBarrier();
Volatile.Write(ref signal[0], 1);
}