/// <summary>
/// Creates event arguments for a task-related event.
/// </summary>
/// <param name="task">The task that the event is about.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="task"/> is null.</exception>
public TaskEventArgs(Task task)
{
if (task == null)
throw new ArgumentNullException("task");
this.task = task;
}
private void TaskTerminated(Task workerTask, string queueId)
{
if (!workerTask.IsAborted && !workerTask.Result.HasValue)
{
ProcessFailure(workerTask.Result.Exception, queueId);
}
currentWorkerTasks.Write(tasks => tasks.Remove(queueId));
eventAggregator.Send(this, new TaskCompleted(queueId));
RunTask(queueId);
}
private static void RecordTaskResult(TestContext context, Task task)
{
if (task.Result != null && ! task.Result.HasValue)
{
context.LogWriter.Warnings.WriteException(task.Result.Exception,
String.Format("Task '{0}' failed.", task.Name));
FailureFlag = true;
}
}
/// <summary>
/// Adds a new task for the task manager to watch.
/// </summary>
/// <remarks>
/// <para>
/// The task manager will track when the task starts and finishes, ensure
/// that the task is aborted when the test ends, report any exception thrown
/// by the task as a warning in the log, and include the task in the list of those
/// to join and/or verify.
/// </para>
/// </remarks>
/// <param name="task">The task to watch.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="task"/> is null.</exception>
public static void WatchTask(Task task)
{
if (task == null)
throw new ArgumentNullException("task");
GetTaskContainer().Watch(task);
}
