public void MultiThreaded_TrySetComplete(bool isSetCompleteTest, int howManyThreads)
{
int continuationCalledCounter = 0;
int completedGainedCounter = 0;
int completedLossedCounter = 0;
var taskSlim = new TaskSlim(null);
taskSlim.SetContinuation(() =>
{
Interlocked.Increment(ref continuationCalledCounter);
});
var @syncEvent = new ManualResetEventSlim(false);
for (int i = 0; i < howManyThreads; i++)
{
ThreadFactory.BackgroundThread((index) =>
{
@syncEvent.Wait();
var result = isSetCompleteTest ?
taskSlim.TrySetCompleted() :
taskSlim.TrySetException(new Exception("bah"));
if (result)
{
Interlocked.Increment(ref completedGainedCounter);
}
else
{
Interlocked.Increment(ref completedLossedCounter);
}
}, "T_" + i, i);
}
Thread.Sleep(0);
@syncEvent.Set();
Thread.Sleep(1000);
continuationCalledCounter.Should().Be(1, "continuation cannot be called more than once");
completedGainedCounter.Should().Be(1, "only 1 thread could have taken the lock successfully");
completedLossedCounter.Should().Be(howManyThreads - 1, "all other threads should have been unsuccessful");
}
