public void Dequeue_with_events_traces_event_on_error()
{
InputQueueStub <string> inner = new InputQueueStub <string>();
QueueEventSource eventSource = QueueEventSource.Instance;
Guid id = new Guid(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
InputQueueWithEvents <string> queue = new InputQueueWithEvents <string>(inner, id, eventSource);
using (QueueEventListener listener = new QueueEventListener(eventSource, EventLevel.Informational, EventKeywords.None))
{
Task <string> task = queue.DequeueAsync();
Assert.False(task.IsCompleted);
listener.VerifyEvent(QueueEventId.Dequeue, EventLevel.Informational, EventKeywords.None, id);
listener.Events.Clear();
InvalidTimeZoneException expectedException = new InvalidTimeZoneException("Expected.");
inner.PendingDequeue.SetException(expectedException);
Assert.Equal(TaskStatus.Faulted, task.Status);
Assert.NotNull(task.Exception);
AggregateException ae = task.Exception;
Assert.Equal(1, ae.InnerExceptions.Count);
Assert.Same(expectedException, ae.InnerExceptions[0]);
listener.VerifyEvent(QueueEventId.DequeueCompleted, EventLevel.Informational, EventKeywords.None, id);
}
}
public void Dispose_with_events_traces_event()
{
InputQueueStub <string> inner = new InputQueueStub <string>();
QueueEventSource eventSource = QueueEventSource.Instance;
Guid id = new Guid(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
InputQueueWithEvents <string> queue = new InputQueueWithEvents <string>(inner, id, eventSource);
using (QueueEventListener listener = new QueueEventListener(eventSource, EventLevel.Informational, EventKeywords.None))
{
queue.Dispose();
Assert.True(inner.Disposed);
listener.VerifyEvent(QueueEventId.QueueDispose, EventLevel.Informational, EventKeywords.None, id);
}
}
private static void Main(string[] args)
{
IInputQueue<int> queue = new InputQueueWithEvents<int>(new InputQueue<int>(), Guid.NewGuid(), QueueEventSource.Instance);
using (CancellationTokenSource cts = new CancellationTokenSource())
{
Task enqueueTask = PrintException(EnqueueLoopAsync(queue, cts.Token));
Task dequeueTask = PrintException(DequeueLoopAsync(queue, cts.Token));
Console.WriteLine("Press ENTER to cancel.");
Console.ReadLine();
cts.Cancel();
queue.Dispose();
Task.WaitAll(enqueueTask, dequeueTask);
}
}
public void Enqueue_with_events_traces_event()
{
InputQueueStub <string> inner = new InputQueueStub <string>();
QueueEventSource eventSource = QueueEventSource.Instance;
Guid id = new Guid(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
InputQueueWithEvents <string> queue = new InputQueueWithEvents <string>(inner, id, eventSource);
using (QueueEventListener listener = new QueueEventListener(eventSource, EventLevel.Informational, EventKeywords.None))
{
inner.Enqueued += delegate(object sender, EventArgs e)
{
listener.VerifyEvent(QueueEventId.Enqueue, EventLevel.Informational, EventKeywords.None, id);
listener.Events.Clear();
};
queue.Enqueue("a");
Assert.Equal("a", inner.Item);
listener.VerifyEvent(QueueEventId.EnqueueCompleted, EventLevel.Informational, EventKeywords.None, id);
}
}
public void Dequeue_with_events_traces_event()
{
InputQueueStub <string> inner = new InputQueueStub <string>();
QueueEventSource eventSource = QueueEventSource.Instance;
Guid id = new Guid(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
InputQueueWithEvents <string> queue = new InputQueueWithEvents <string>(inner, id, eventSource);
using (QueueEventListener listener = new QueueEventListener(eventSource, EventLevel.Informational, EventKeywords.None))
{
Task <string> task = queue.DequeueAsync();
Assert.False(task.IsCompleted);
listener.VerifyEvent(QueueEventId.Dequeue, EventLevel.Informational, EventKeywords.None, id);
listener.Events.Clear();
inner.PendingDequeue.SetResult("a");
Assert.Equal(TaskStatus.RanToCompletion, task.Status);
Assert.Equal("a", task.Result);
listener.VerifyEvent(QueueEventId.DequeueCompleted, EventLevel.Informational, EventKeywords.None, id);
}
}
public void Enqueue_with_events_traces_event_on_error()
{
InputQueueStub <string> inner = new InputQueueStub <string>();
QueueEventSource eventSource = QueueEventSource.Instance;
Guid id = new Guid(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
InputQueueWithEvents <string> queue = new InputQueueWithEvents <string>(inner, id, eventSource);
using (QueueEventListener listener = new QueueEventListener(eventSource, EventLevel.Informational, EventKeywords.None))
{
InvalidProgramException expectedException = new InvalidProgramException("Expected.");
inner.Enqueued += delegate(object sender, EventArgs e)
{
listener.VerifyEvent(QueueEventId.Enqueue, EventLevel.Informational, EventKeywords.None, id);
listener.Events.Clear();
throw expectedException;
};
InvalidProgramException ipe = Assert.Throws <InvalidProgramException>(() => queue.Enqueue("a"));
Assert.Same(expectedException, ipe);
listener.VerifyEvent(QueueEventId.EnqueueCompleted, EventLevel.Informational, EventKeywords.None, id);
}
}
