public void TestTaskStateChangedEventHandling()
{
var observer = new TaskEventObserver();
var schedulerThread = new SampleSchedulerThread();
var scheduler = new DynamoScheduler(schedulerThread, TaskProcessMode.Asynchronous);
scheduler.TaskStateChanged += observer.OnTaskStateChanged;
// Start scheduling a bunch of tasks.
var asyncTasks = new AsyncTask[]
{
new ErrorProneAsyncTask(scheduler, 7),
new InconsequentialAsyncTask(scheduler, 100),
new PrioritizedAsyncTask(scheduler, 1),
new PrioritizedAsyncTask(scheduler, 5),
new ErrorProneAsyncTask(scheduler, 3),
new InconsequentialAsyncTask(scheduler, 500),
new InconsequentialAsyncTask(scheduler, 300),
new PrioritizedAsyncTask(scheduler, 3),
new ErrorProneAsyncTask(scheduler, 5),
};
foreach (SampleAsyncTask asyncTask in asyncTasks)
scheduler.ScheduleForExecution(asyncTask);
schedulerThread.GetSchedulerToProcessTasks();
// Drops all InconsequentialAsyncTask and leave behind one.
// Kept all PrioritizedAsyncTask instances and sorted them.
var expected = new List<string>
{
// Scheduling notifications...
"Scheduled: ErrorProneAsyncTask: 7",
"Scheduled: InconsequentialAsyncTask: 100",
"Scheduled: PrioritizedAsyncTask: 1",
"Scheduled: PrioritizedAsyncTask: 5",
"Scheduled: ErrorProneAsyncTask: 3",
"Scheduled: InconsequentialAsyncTask: 500",
"Scheduled: InconsequentialAsyncTask: 300",
"Scheduled: PrioritizedAsyncTask: 3",
"Scheduled: ErrorProneAsyncTask: 5",
// Task discarded notifications...
"Discarded: InconsequentialAsyncTask: 100",
"Discarded: InconsequentialAsyncTask: 300",
// Execution of remaining tasks...
"ExecutionStarting: ErrorProneAsyncTask: 7",
"ExecutionFailed: ErrorProneAsyncTask: 7",
"CompletionHandled: ErrorProneAsyncTask: 7",
"ExecutionStarting: PrioritizedAsyncTask: 1",
"ExecutionCompleted: PrioritizedAsyncTask: 1",
"CompletionHandled: PrioritizedAsyncTask: 1",
"ExecutionStarting: PrioritizedAsyncTask: 5",
"ExecutionCompleted: PrioritizedAsyncTask: 5",
"CompletionHandled: PrioritizedAsyncTask: 5",
"ExecutionStarting: ErrorProneAsyncTask: 3",
"ExecutionFailed: ErrorProneAsyncTask: 3",
"CompletionHandled: ErrorProneAsyncTask: 3",
"ExecutionStarting: PrioritizedAsyncTask: 3",
"ExecutionCompleted: PrioritizedAsyncTask: 3",
"CompletionHandled: PrioritizedAsyncTask: 3",
"ExecutionStarting: ErrorProneAsyncTask: 5",
"ExecutionFailed: ErrorProneAsyncTask: 5",
"CompletionHandled: ErrorProneAsyncTask: 5",
// Execution of InconsequentialAsyncTask last...
"ExecutionStarting: InconsequentialAsyncTask: 500",
"ExecutionCompleted: InconsequentialAsyncTask: 500",
"CompletionHandled: InconsequentialAsyncTask: 500"
};
Assert.AreEqual(expected.Count, observer.Results.Count());
int index = 0;
foreach (var actual in observer.Results)
{
Assert.AreEqual(expected[index++], actual);
}
}
public void TestTaskQueuePreProcessing05()
{
var schedulerThread = new SampleSchedulerThread();
var scheduler = new DynamoScheduler(schedulerThread, TaskProcessMode.Asynchronous);
// Start scheduling a bunch of tasks.
var asyncTasks = new AsyncTask[]
{
new PrioritizedAsyncTask(scheduler, 1),
new InconsequentialAsyncTask(scheduler, 100),
};
var results = new List<string>();
foreach (SampleAsyncTask asyncTask in asyncTasks)
{
asyncTask.InitializeWithResultList(results);
scheduler.ScheduleForExecution(asyncTask);
}
schedulerThread.GetSchedulerToProcessTasks();
// Drops all InconsequentialAsyncTask and leave behind one.
// Kept all PrioritizedAsyncTask instances and sorted them.
Assert.AreEqual(2, results.Count);
Assert.AreEqual("PrioritizedAsyncTask: 1", results[0]);
Assert.AreEqual("InconsequentialAsyncTask: 100", results[1]);
}