7 |
|
*/ |
8 |
|
|
9 |
|
import junit.framework.*; |
10 |
+ |
import java.security.Permission; |
11 |
|
import java.util.concurrent.Callable; |
12 |
|
import java.util.concurrent.CancellationException; |
13 |
|
import java.util.concurrent.CountDownLatch; |
320 |
|
PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
321 |
|
assertTrue(task.cancel(false)); |
322 |
|
task.run(); |
323 |
+ |
assertEquals(0, task.runCount()); |
324 |
|
assertEquals(0, task.setCount()); |
325 |
|
assertEquals(0, task.setExceptionCount()); |
326 |
+ |
assertTrue(task.isCancelled()); |
327 |
+ |
assertTrue(task.isDone()); |
328 |
|
tryToConfuseDoneTask(task); |
325 |
– |
checkCancelled(task); |
329 |
|
assertEquals(0, task.runCount()); |
330 |
+ |
checkCancelled(task); |
331 |
|
} |
332 |
|
|
333 |
|
/** |
337 |
|
PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
338 |
|
assertTrue(task.cancel(true)); |
339 |
|
task.run(); |
340 |
+ |
assertEquals(0, task.runCount()); |
341 |
|
assertEquals(0, task.setCount()); |
342 |
|
assertEquals(0, task.setExceptionCount()); |
343 |
+ |
assertTrue(task.isCancelled()); |
344 |
+ |
assertTrue(task.isDone()); |
345 |
|
tryToConfuseDoneTask(task); |
339 |
– |
checkCancelled(task); |
346 |
|
assertEquals(0, task.runCount()); |
347 |
+ |
checkCancelled(task); |
348 |
|
} |
349 |
|
|
350 |
|
/** |
354 |
|
PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
355 |
|
task.run(); |
356 |
|
assertFalse(task.cancel(false)); |
357 |
+ |
assertEquals(1, task.runCount()); |
358 |
|
assertEquals(1, task.setCount()); |
359 |
|
assertEquals(0, task.setExceptionCount()); |
360 |
|
tryToConfuseDoneTask(task); |
369 |
|
PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
370 |
|
task.run(); |
371 |
|
assertFalse(task.cancel(true)); |
372 |
+ |
assertEquals(1, task.runCount()); |
373 |
|
assertEquals(1, task.setCount()); |
374 |
|
assertEquals(0, task.setExceptionCount()); |
375 |
|
tryToConfuseDoneTask(task); |
396 |
|
await(pleaseCancel); |
397 |
|
assertTrue(task.cancel(true)); |
398 |
|
assertTrue(task.isCancelled()); |
399 |
+ |
assertTrue(task.isDone()); |
400 |
|
awaitTermination(t); |
401 |
|
assertEquals(1, task.runCount()); |
402 |
|
assertEquals(1, task.setCount()); |
403 |
|
assertEquals(0, task.setExceptionCount()); |
404 |
|
tryToConfuseDoneTask(task); |
405 |
+ |
checkCancelled(task); |
406 |
+ |
} |
407 |
+ |
|
408 |
+ |
/** |
409 |
+ |
* cancel(true) interrupts a running task that subsequently |
410 |
+ |
* succeeds, with a security manager that does not permit |
411 |
+ |
* Thread.interrupt |
412 |
+ |
*/ |
413 |
+ |
public void testCancelInterrupt_ThrowsSecurityException() { |
414 |
+ |
if (System.getSecurityManager() != null) |
415 |
+ |
return; |
416 |
+ |
|
417 |
+ |
final CountDownLatch pleaseCancel = new CountDownLatch(1); |
418 |
+ |
final CountDownLatch cancelled = new CountDownLatch(1); |
419 |
+ |
final PublicFutureTask task = |
420 |
+ |
new PublicFutureTask(new CheckedRunnable() { |
421 |
+ |
public void realRun() { |
422 |
+ |
pleaseCancel.countDown(); |
423 |
+ |
await(cancelled); |
424 |
+ |
assertFalse(Thread.interrupted()); |
425 |
+ |
}}); |
426 |
+ |
|
427 |
+ |
final Thread t = newStartedThread(task); |
428 |
+ |
await(pleaseCancel); |
429 |
+ |
System.setSecurityManager(new SecurityManager() { |
430 |
+ |
public void checkAccess(Thread t) { throw new SecurityException(); } |
431 |
+ |
public void checkPermission(Permission p) {}}); |
432 |
+ |
try { |
433 |
+ |
try { |
434 |
+ |
task.cancel(true); |
435 |
+ |
shouldThrow(); |
436 |
+ |
} |
437 |
+ |
catch (SecurityException expected) {} |
438 |
+ |
} finally { |
439 |
+ |
System.setSecurityManager(null); |
440 |
+ |
} |
441 |
+ |
assertTrue(task.isCancelled()); |
442 |
+ |
assertTrue(task.isDone()); |
443 |
+ |
assertEquals(1, task.runCount()); |
444 |
+ |
assertEquals(1, task.doneCount()); |
445 |
+ |
assertEquals(0, task.setCount()); |
446 |
+ |
assertEquals(0, task.setExceptionCount()); |
447 |
+ |
cancelled.countDown(); |
448 |
+ |
awaitTermination(t); |
449 |
+ |
assertEquals(1, task.setCount()); |
450 |
+ |
assertEquals(0, task.setExceptionCount()); |
451 |
+ |
tryToConfuseDoneTask(task); |
452 |
|
checkCancelled(task); |
453 |
|
} |
454 |
|
|