public void ShouldCancelTasksOnShutdown()
{
var executor = CreateDefaultExecutor(ShutdownMode.CancelQueuedTasks);
var tasks = new List<WaitingTask>();
var futures = new List<Future<int>>();
for(int i=0; i<10; i++) {
WaitingTask task = new WaitingTask();
tasks.Add(task);
if(i == 0) {
Monitor.Enter(task);
}
futures.Add(executor.Submit(task));
}
executor.Shutdown();
Monitor.Exit(tasks[0]);
while(!executor.IsShutdown()) { }
Assert.AreEqual(0, futures[0].GetResult());
foreach(Future<int> future in futures.GetRange(1, 9)) {
Assert.IsTrue(future.IsDone);
try {
Assert.AreEqual(0, future.GetResult());
Assert.Fail(); // Should not reach this
} catch(ExecutionException e) {
Assert.IsInstanceOfType(typeof(TaskCancelledException), e.delayedException);
}
}
}
private void FormWaiting_Shown(object sender, EventArgs e)
{
WaitingTask.ContinueWith((t) => { this.DialogResult = DialogResult.OK; }
, System.Threading.CancellationToken.None, TaskContinuationOptions.OnlyOnRanToCompletion, TaskScheduler.FromCurrentSynchronizationContext());
WaitingTask.ContinueWith((t) => { this.DialogResult = DialogResult.Cancel; }
, System.Threading.CancellationToken.None, TaskContinuationOptions.OnlyOnFaulted, TaskScheduler.FromCurrentSynchronizationContext());
WaitingTask.Start();
}
/// <summary>
/// <para> 断开连接, 断开后本对象所有资源将被释放 </para>
/// <seealso cref="TcpClient.Close()"/>
/// </summary>
public void Stop(bool nowait = false)
{
taskEnd = true;
Close();
Dispose();
if (!nowait)
{
WaitingTask.Wait();
}
}