public void TestTaskSuspendAbort()
{
DummyTaskParameters testParams = new DummyTaskParameters();
testParams.Name = "DummyTask";
testParams.RunInParallel = true;
testParams.IsBackgroundTask = true;
testParams.UseSeparateThread = true;
// Force the task to return an exception.
testParams.WaitForSuspend = true;
DummyTask testTask = new DummyTask(testParams);
// Check the initialisation data has been stored ok.
Assert.AreEqual(testParams.Name, testTask.Name);
Assert.AreEqual(testParams.RunInParallel, testTask.InitializationData.RunInParallel);
Assert.AreEqual(testParams.IsBackgroundTask, testTask.InitializationData.IsBackgroundTask);
Assert.AreEqual(testParams.UseSeparateThread, testTask.InitializationData.UseSeparateThread);
// Check the task state.
Assert.AreEqual(false, testTask.CurrentTaskState.Aborted);
Assert.AreEqual(false, testTask.CurrentTaskState.AbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.ExternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.InternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.Suspended);
Assert.AreEqual(false, testTask.CurrentTaskState.SuspendRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.TaskCompleted);
Assert.AreEqual(false, testTask.CurrentTaskState.TaskStarted);
// Check other properties initial state.
Assert.AreEqual(null, testTask.LastException);
// Also set the state of the task to suspended before it starts so that it
// is guaranteed to see SuspendRequested when calling CheckSuspend.
testTask.Suspend();
Assert.AreEqual(false, testTask.CurrentTaskState.Aborted);
Assert.AreEqual(false, testTask.CurrentTaskState.AbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.ExternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.InternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.Suspended);
Assert.AreEqual(true, testTask.CurrentTaskState.SuspendRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.TaskCompleted);
Assert.AreEqual(false, testTask.CurrentTaskState.TaskStarted);
// Run the task - the task will suspend and hang waiting for a resume.
testTask.Run();
testTask.TaskStartedNotificationEvent.Set();
// Wait for the task to suspend (or until we time out).
int totalTimeWaited = 0;
int timeoutValue = 100;
int maxTimeToWait = 10000;
while (!testTask.CurrentTaskState.Suspended)
{
Thread.Sleep(timeoutValue);
totalTimeWaited += timeoutValue;
if (totalTimeWaited > maxTimeToWait)
{
Assert.AreEqual(true, totalTimeWaited < maxTimeToWait);
}
}
// Should be suspended.
Assert.AreEqual(false, testTask.CurrentTaskState.Aborted);
Assert.AreEqual(false, testTask.CurrentTaskState.AbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.ExternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.InternalAbortRequested);
Assert.AreEqual(true, testTask.CurrentTaskState.Suspended);
Assert.AreEqual(true, testTask.CurrentTaskState.SuspendRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.TaskCompleted);
Assert.AreEqual(true, testTask.CurrentTaskState.TaskStarted);
testTask.StopExternal();
testTask.Join(60000); // Shouldn't take more than 60 seconds to complete.
Assert.AreNotEqual(null, testTask.LastException);
// Check the task state.
Assert.AreEqual(true, testTask.CurrentTaskState.Aborted);
Assert.AreEqual(true, testTask.CurrentTaskState.AbortRequested);
Assert.AreEqual(true, testTask.CurrentTaskState.ExternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.InternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.Suspended);
Assert.AreEqual(true, testTask.CurrentTaskState.SuspendRequested);
Assert.AreEqual(true, testTask.CurrentTaskState.TaskCompleted);
Assert.AreEqual(true, testTask.CurrentTaskState.TaskStarted);
}
public void TestTaskExternalAbort()
{
DummyTaskParameters testParams = new DummyTaskParameters();
testParams.Name = "DummyTask";
testParams.RunInParallel = true;
testParams.IsBackgroundTask = true;
testParams.UseSeparateThread = true;
// Force the task to return an exception.
testParams.WaitForAbort = true;
DummyTask testTask = new DummyTask(testParams);
// Check the initialisation data has been stored ok.
Assert.AreEqual(testParams.Name, testTask.Name);
Assert.AreEqual(testParams.RunInParallel, testTask.InitializationData.RunInParallel);
Assert.AreEqual(testParams.IsBackgroundTask, testTask.InitializationData.IsBackgroundTask);
Assert.AreEqual(testParams.UseSeparateThread, testTask.InitializationData.UseSeparateThread);
// Check the task state.
Assert.AreEqual(false, testTask.CurrentTaskState.Aborted);
Assert.AreEqual(false, testTask.CurrentTaskState.AbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.ExternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.InternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.Suspended);
Assert.AreEqual(false, testTask.CurrentTaskState.SuspendRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.TaskCompleted);
Assert.AreEqual(false, testTask.CurrentTaskState.TaskStarted);
// Check other properties initial state.
Assert.AreEqual(null, testTask.LastException);
testTask.Run();
testTask.TaskStartedNotificationEvent.Set();
// Wait for a second and then Abort the task.
Thread.Sleep(1000);
// Shouldn't be stopped yet.
Assert.AreEqual(false, testTask.CurrentTaskState.Aborted);
Assert.AreEqual(false, testTask.CurrentTaskState.AbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.ExternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.InternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.Suspended);
Assert.AreEqual(false, testTask.CurrentTaskState.SuspendRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.TaskCompleted);
Assert.AreEqual(true, testTask.CurrentTaskState.TaskStarted);
testTask.StopExternal();
testTask.Join(60000); // Shouldn't take more than 60 seconds to complete.
Assert.AreNotEqual(null, testTask.LastException);
// Check the task state.
Assert.AreEqual(true, testTask.CurrentTaskState.Aborted);
Assert.AreEqual(true, testTask.CurrentTaskState.AbortRequested);
Assert.AreEqual(true, testTask.CurrentTaskState.ExternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.InternalAbortRequested);
Assert.AreEqual(false, testTask.CurrentTaskState.Suspended);
Assert.AreEqual(false, testTask.CurrentTaskState.SuspendRequested);
Assert.AreEqual(true, testTask.CurrentTaskState.TaskCompleted);
Assert.AreEqual(true, testTask.CurrentTaskState.TaskStarted);
}