public void Should_consume_with_respect_slots_order_results_completed_by_different_threads()
{
var expectedResults = Enumerable.Range(1, 10).ToArray();
var producer = Task.Run(
() =>
{
var random = new Random();
for (var i = 0; i < 10; i++)
{
var slot = boundedResultsQueue.AcquireFreeResultOrWait();
output.WriteLine($"{DateTime.Now.TimeOfDay}. producer thrd {Thread.CurrentThread.ManagedThreadId}. acquired slot #{i}");
var result = i;
Task.Delay(random.Next(100, 301))
.ContinueWith(
_ =>
{
output.WriteLine($"{DateTime.Now.TimeOfDay}. worker thrd {Thread.CurrentThread.ManagedThreadId}. complete result #{result} as {result + 1}");
slot.SetResult(result + 1);
});
}
output.WriteLine($"{DateTime.Now.TimeOfDay}. producer thrd {Thread.CurrentThread.ManagedThreadId} stopped.");
});
List <int> actual = null;
var consumer = Task.Factory.StartNew(
() =>
{
output.WriteLine($"{DateTime.Now.TimeOfDay}. consumer thrd {Thread.CurrentThread.ManagedThreadId} started.");
var results = new List <int>();
foreach (var result in boundedResultsQueue.DequeResultsOnCompletion().Take(10))
{
output.WriteLine($"{DateTime.Now.TimeOfDay}. consumer thrd {Thread.CurrentThread.ManagedThreadId}. consume result {result}");
results.Add(result);
}
actual = results;
output.WriteLine($"{DateTime.Now.TimeOfDay}. consumer thrd {Thread.CurrentThread.ManagedThreadId} stopped.");
},
TaskCreationOptions.LongRunning);
var task = Task.WhenAll(producer, consumer);
task.Wait(5.Seconds());
task.IsCompleted.Should().BeTrue();
actual.Should().BeEquivalentTo(expectedResults);
}
public void Should_return_free_slot_when_queue_is_empty()
{
var slot = boundedResultsQueue.AcquireFreeResultOrWait();
slot.Should().NotBeNull();
}