public static void TimeoutConstructorZeroDueTime()
{
var value = new[] { 0 };
var timeout = RootedTimeout.Launch(() => value[0] = 1, 0);
ThreadingHelper.SpinWaitUntil(() => timeout.IsCompleted);
Assert.AreEqual(1, value[0]);
}
public static void TimeoutChange()
{
var now = DateTime.Now;
var value = new[] { now };
var timeout = new Timeout(() => value[0] = DateTime.Now, 100);
timeout.Change(1000); // race condition
Assert.IsFalse(timeout.IsCanceled);
Assert.IsFalse(timeout.IsCompleted); // race condition
ThreadingHelper.SpinWaitUntil(() => timeout.IsCompleted);
Assert.Greater((value[0] - now).TotalMilliseconds, 100);
}
public static void TimeoutFinishAndChange()
{
var value = new[] { 0 };
var timeout = RootedTimeout.Launch(() => value[0] = 1, 100);
Assert.IsFalse(timeout.IsCanceled);
ThreadingHelper.SpinWaitUntil(() => timeout.IsCompleted);
Assert.IsFalse(timeout.IsCanceled);
Assert.IsTrue(timeout.IsCompleted);
Assert.AreEqual(1, value[0]);
Assert.IsFalse(timeout.Change(1000));
Assert.IsFalse(timeout.IsCanceled);
Assert.IsTrue(timeout.IsCompleted);
}
private static void Initialize()
{
switch (Interlocked.CompareExchange(ref _status, _statusPending, _statusNotReady))
{
case _statusNotReady:
GC.KeepAlive(new GCProbe());
Volatile.Write(ref _status, _statusReady);
break;
case _statusPending:
ThreadingHelper.SpinWaitUntil(ref _status, _statusReady);
break;
}
}
public static void TimeoutChange()
{
again:
var now = DateTime.Now;
var value = new[] { now };
var timeout = RootedTimeout.Launch(() => value[0] = DateTime.Now, 100);
if (!timeout.Change(1000))
{
goto again;
}
Assert.IsFalse(timeout.IsCanceled);
Assert.IsFalse(timeout.IsCompleted);
ThreadingHelper.SpinWaitUntil(() => timeout.IsCompleted);
Assert.Greater((value[0] - now).TotalMilliseconds, 100);
}
private static void Initialize()
{
var check = Interlocked.CompareExchange(ref _status, INT_StatusPending, INT_StatusNotReady);
switch (check)
{
case INT_StatusNotReady:
GC.KeepAlive(new GCProbe());
Thread.VolatileWrite(ref _status, INT_StatusReady);
break;
case INT_StatusPending:
ThreadingHelper.SpinWaitUntil(ref _status, INT_StatusReady);
break;
}
}
public static void TimeoutChange()
{
RootedTimeout timeout;
var value = new DateTime[1];
DateTime now;
do
{
now = DateTime.Now;
value[0] = now;
timeout = RootedTimeout.Launch(() => value[0] = DateTime.Now, 100);
}while (!timeout.Change(1000));
Assert.IsFalse(timeout.IsCanceled);
Assert.IsFalse(timeout.IsCompleted);
ThreadingHelper.SpinWaitUntil(() => timeout.IsCompleted);
Assert.Greater((value[0] - now).TotalMilliseconds, 100);
}
