41 |
|
try { |
42 |
|
new Phaser(-1); |
43 |
|
shouldThrow(); |
44 |
< |
} catch (IllegalArgumentException success) { |
45 |
< |
} |
44 |
> |
} catch (IllegalArgumentException success) {} |
45 |
|
} |
46 |
|
|
47 |
|
/** |
61 |
|
try { |
62 |
|
new Phaser(new Phaser(), -1); |
63 |
|
shouldThrow(); |
64 |
< |
} catch (IllegalArgumentException success) { |
66 |
< |
} |
64 |
> |
} catch (IllegalArgumentException success) {} |
65 |
|
} |
66 |
|
|
67 |
|
/** |
98 |
|
try { |
99 |
|
phaser.register(); |
100 |
|
shouldThrow(); |
101 |
< |
} catch (IllegalStateException success) { |
104 |
< |
} |
101 |
> |
} catch (IllegalStateException success) {} |
102 |
|
} |
103 |
|
|
104 |
|
/** |
138 |
|
try { |
139 |
|
new Phaser().bulkRegister(-1); |
140 |
|
shouldThrow(); |
141 |
< |
} catch (IllegalArgumentException success) { |
145 |
< |
} |
141 |
> |
} catch (IllegalArgumentException success) {} |
142 |
|
} |
143 |
|
|
144 |
|
/** |
159 |
|
try { |
160 |
|
new Phaser().bulkRegister(1 << 16); |
161 |
|
shouldThrow(); |
162 |
< |
} catch (IllegalStateException success) { |
167 |
< |
} |
162 |
> |
} catch (IllegalStateException success) {} |
163 |
|
} |
164 |
|
|
165 |
|
/** |
185 |
|
} |
186 |
|
|
187 |
|
/** |
188 |
< |
* arrive does not wait for others to arrive at barrier |
188 |
> |
* arriveAndDeregister does not wait for others to arrive at barrier |
189 |
|
*/ |
190 |
< |
public void testArrive2() { |
190 |
> |
public void testArrive2() throws InterruptedException { |
191 |
|
final Phaser phaser = new Phaser(1); |
192 |
|
phaser.register(); |
193 |
< |
Thread thread = null; |
194 |
< |
for (final Runnable r : getRunnables(10, SHORT_DELAY_MS)) { |
193 |
> |
List<Thread> threads = new ArrayList<Thread>(); |
194 |
> |
for (int i = 0; i < 10; i++) |
195 |
|
phaser.register(); |
196 |
< |
thread = new Thread(new CheckedRunnable() { |
197 |
< |
void realRun() { |
198 |
< |
r.run(); |
196 |
> |
threads.add(newStartedThread(new CheckedRunnable() { |
197 |
> |
public void realRun() throws InterruptedException { |
198 |
> |
Thread.sleep(SMALL_DELAY_MS); |
199 |
|
phaser.arriveAndDeregister(); |
200 |
< |
}}); |
206 |
< |
thread.start(); |
207 |
< |
} |
200 |
> |
}})); |
201 |
|
|
202 |
|
phaser.arrive(); |
203 |
< |
assertTrue(thread.isAlive()); |
203 |
> |
assertTrue(threads.get(0).isAlive()); |
204 |
|
assertFalse(phaser.isTerminated()); |
205 |
+ |
for (Thread thread : threads) |
206 |
+ |
thread.join(); |
207 |
|
} |
208 |
|
|
209 |
|
/** |
213 |
|
Phaser phaser = new Phaser(1); |
214 |
|
phaser.forceTermination(); |
215 |
|
assertTrue(phaser.arrive() < 0); |
221 |
– |
|
216 |
|
} |
217 |
|
|
218 |
|
/** |
224 |
|
Phaser phaser = new Phaser(); |
225 |
|
phaser.arriveAndDeregister(); |
226 |
|
shouldThrow(); |
227 |
< |
} catch (IllegalStateException success) { |
234 |
< |
} |
227 |
> |
} catch (IllegalStateException success) {} |
228 |
|
} |
229 |
|
|
230 |
|
/** |
292 |
|
* arriveAndDeregister returns the phase in which it leaves the |
293 |
|
* phaser in after deregistration |
294 |
|
*/ |
295 |
< |
public void testArriveAndDeregister6() { |
295 |
> |
public void testArriveAndDeregister6() throws InterruptedException { |
296 |
|
final Phaser phaser = new Phaser(2); |
297 |
< |
new Thread(new CheckedRunnable() { |
298 |
< |
void realRun() { |
299 |
< |
getRunnable(SHORT_DELAY_MS).run(); |
297 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
298 |
> |
public void realRun() { |
299 |
> |
sleepTillInterrupted(SHORT_DELAY_MS); |
300 |
|
phaser.arrive(); |
301 |
< |
}}).start(); |
301 |
> |
}}); |
302 |
|
phaser.arriveAndAwaitAdvance(); |
303 |
|
int phase = phaser.arriveAndDeregister(); |
304 |
|
assertEquals(phase, phaser.getPhase()); |
305 |
+ |
t.join(); |
306 |
|
} |
307 |
|
|
308 |
|
/** |
327 |
|
*/ |
328 |
|
public void testAwaitAdvance3() throws InterruptedException { |
329 |
|
final Phaser phaser = new Phaser(); |
330 |
+ |
phaser.register(); |
331 |
|
|
332 |
< |
Thread th1 = new Thread(new CheckedRunnable() { |
333 |
< |
void realRun() throws InterruptedException { |
332 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
333 |
> |
public void realRun() throws InterruptedException { |
334 |
|
phaser.register(); |
335 |
< |
getRunnable(LONG_DELAY_MS).run(); |
335 |
> |
sleepTillInterrupted(LONG_DELAY_MS); |
336 |
|
phaser.awaitAdvance(phaser.arrive()); |
337 |
|
}}); |
338 |
< |
phaser.register(); |
339 |
< |
th1.start(); |
340 |
< |
Thread.sleep(SHORT_DELAY_MS); |
346 |
< |
th1.interrupt(); |
347 |
< |
Thread.sleep(LONG_DELAY_MS); |
338 |
> |
Thread.sleep(SMALL_DELAY_MS); |
339 |
> |
t.interrupt(); |
340 |
> |
Thread.sleep(SMALL_DELAY_MS); |
341 |
|
phaser.arrive(); |
342 |
< |
assertFalse(th1.isInterrupted()); |
342 |
> |
assertFalse(t.isInterrupted()); |
343 |
> |
t.join(); |
344 |
|
} |
345 |
|
|
346 |
|
/** |
352 |
|
final AtomicInteger phaseCount = new AtomicInteger(0); |
353 |
|
List<Thread> threads = new ArrayList<Thread>(); |
354 |
|
for (int i = 0; i < 4; i++) { |
355 |
< |
threads.add(new Thread(new CheckedRunnable() { |
356 |
< |
void realRun() { |
355 |
> |
threads.add(newStartedThread(new CheckedRunnable() { |
356 |
> |
public void realRun() { |
357 |
|
int phase = phaser.arrive(); |
358 |
|
phaseCount.incrementAndGet(); |
359 |
< |
getRunnable(LONG_DELAY_MS).run(); |
359 |
> |
sleepTillInterrupted(SMALL_DELAY_MS); |
360 |
|
phaser.awaitAdvance(phase); |
361 |
|
threadAssertTrue(phaseCount.get() == 4); |
362 |
|
}})); |
363 |
|
} |
364 |
|
for (Thread thread : threads) |
371 |
– |
thread.start(); |
372 |
– |
for (Thread thread : threads) |
365 |
|
thread.join(); |
366 |
|
} |
367 |
|
|
368 |
|
/** |
369 |
|
* awaitAdvance returns the current phase |
370 |
|
*/ |
371 |
< |
public void testAwaitAdvance5() { |
371 |
> |
public void testAwaitAdvance5() throws InterruptedException { |
372 |
|
final Phaser phaser = new Phaser(1); |
373 |
|
int phase = phaser.awaitAdvance(phaser.arrive()); |
374 |
|
assertEquals(phase, phaser.getPhase()); |
375 |
|
phaser.register(); |
376 |
< |
for (int i = 0; i < eight; i++) { |
377 |
< |
new Thread(new CheckedRunnable() { |
378 |
< |
void realRun() { |
379 |
< |
getRunnable(SHORT_DELAY_MS).run(); |
376 |
> |
List<Thread> threads = new ArrayList<Thread>(); |
377 |
> |
for (int i = 0; i < 8; i++) { |
378 |
> |
threads.add(newStartedThread(new CheckedRunnable() { |
379 |
> |
public void realRun() { |
380 |
> |
sleepTillInterrupted(SHORT_DELAY_MS); |
381 |
|
phaser.arrive(); |
382 |
< |
}}).start(); |
382 |
> |
}})); |
383 |
|
phase = phaser.awaitAdvance(phaser.arrive()); |
384 |
|
threadAssertEquals(phase, phaser.getPhase()); |
385 |
|
} |
386 |
+ |
for (Thread thread : threads) |
387 |
+ |
thread.join(); |
388 |
|
} |
389 |
|
|
390 |
|
/** |
391 |
|
* awaitAdvance returns when the phaser is externally terminated |
392 |
|
*/ |
393 |
< |
public void testAwaitAdvance6() { |
393 |
> |
public void testAwaitAdvance6() throws InterruptedException { |
394 |
|
final Phaser phaser = new Phaser(3); |
395 |
|
/* |
396 |
|
* Start new thread. This thread waits a small amount of time |
398 |
|
* in the main thread arrives quickly so at best this thread |
399 |
|
* waits for the second thread's party to arrive |
400 |
|
*/ |
401 |
< |
new Thread(new CheckedRunnable() { |
402 |
< |
void realRun() { |
403 |
< |
getRunnable(SMALL_DELAY_MS).run(); |
401 |
> |
Thread t1 = newStartedThread(new CheckedRunnable() { |
402 |
> |
public void realRun() { |
403 |
> |
sleepTillInterrupted(SMALL_DELAY_MS); |
404 |
|
int phase = phaser.awaitAdvance(phaser.arrive()); |
405 |
|
/* |
406 |
|
* This point is reached when force termination is called in which phase = -1 |
407 |
|
*/ |
408 |
|
threadAssertTrue(phase < 0); |
409 |
|
threadAssertTrue(phaser.isTerminated()); |
410 |
< |
}}).start(); |
410 |
> |
}}); |
411 |
|
/* |
412 |
|
* This thread will cause the first thread run to wait, in doing so |
413 |
|
* the main thread will force termination in which the first thread |
414 |
|
* should exit peacefully as this one |
415 |
|
*/ |
416 |
< |
new Thread(new CheckedRunnable() { |
417 |
< |
void realRun() { |
418 |
< |
getRunnable(LONG_DELAY_MS).run(); |
416 |
> |
Thread t2 = newStartedThread(new CheckedRunnable() { |
417 |
> |
public void realRun() { |
418 |
> |
sleepTillInterrupted(MEDIUM_DELAY_MS); |
419 |
|
int p1 = phaser.arrive(); |
420 |
|
int phase = phaser.awaitAdvance(p1); |
421 |
|
threadAssertTrue(phase < 0); |
422 |
|
threadAssertTrue(phaser.isTerminated()); |
423 |
< |
}}).start(); |
423 |
> |
}}); |
424 |
|
|
425 |
|
phaser.arrive(); |
426 |
|
phaser.forceTermination(); |
427 |
+ |
t1.join(); |
428 |
+ |
t2.join(); |
429 |
|
} |
430 |
|
|
431 |
|
/** |
437 |
|
Phaser phaser = new Phaser(); |
438 |
|
phaser.arriveAndAwaitAdvance(); |
439 |
|
shouldThrow(); |
440 |
< |
} catch (IllegalStateException success) { |
444 |
< |
} |
440 |
> |
} catch (IllegalStateException success) {} |
441 |
|
} |
442 |
|
|
443 |
|
/** |
445 |
|
*/ |
446 |
|
public void testArriveAndAwaitAdvance2() throws InterruptedException { |
447 |
|
final Phaser phaser = new Phaser(2); |
448 |
< |
Thread th = new Thread(new CheckedRunnable() { |
449 |
< |
void realRun() { |
448 |
> |
Thread th = newStartedThread(new CheckedRunnable() { |
449 |
> |
public void realRun() { |
450 |
|
phaser.arriveAndAwaitAdvance(); |
451 |
|
}}); |
452 |
|
|
453 |
< |
th.start(); |
458 |
< |
Thread.sleep(LONG_DELAY_MS); |
453 |
> |
Thread.sleep(SMALL_DELAY_MS); |
454 |
|
th.interrupt(); |
455 |
< |
Thread.sleep(LONG_DELAY_MS); |
455 |
> |
Thread.sleep(SMALL_DELAY_MS); |
456 |
|
phaser.arrive(); |
457 |
|
assertFalse(th.isInterrupted()); |
458 |
+ |
th.join(); |
459 |
|
} |
460 |
|
|
461 |
|
/** |
463 |
|
* number of arrived parties is the same number that is accounted |
464 |
|
* for when the main thread awaitsAdvance |
465 |
|
*/ |
466 |
< |
public void testArriveAndAwaitAdvance3() { |
466 |
> |
public void testArriveAndAwaitAdvance3() throws InterruptedException { |
467 |
|
final Phaser phaser = new Phaser(1); |
468 |
|
final AtomicInteger arrivingCount = new AtomicInteger(0); |
469 |
< |
for (final Runnable run : getRunnables(six, SHORT_DELAY_MS)) { |
470 |
< |
new Thread(new CheckedRunnable() { |
471 |
< |
void realRun() { |
469 |
> |
final List<Thread> threads = new ArrayList<Thread>(); |
470 |
> |
for (int i = 0; i < 6; i++) { |
471 |
> |
threads.add(newStartedThread(new CheckedRunnable() { |
472 |
> |
public void realRun() throws InterruptedException { |
473 |
|
phaser.register(); |
474 |
< |
run.run(); |
474 |
> |
sleepTillInterrupted(SHORT_DELAY_MS); |
475 |
|
arrivingCount.getAndIncrement(); |
476 |
|
phaser.arrive(); |
477 |
< |
}}).start(); |
477 |
> |
}})); |
478 |
|
} |
479 |
|
int phaseNumber = phaser.arriveAndAwaitAdvance(); |
480 |
|
arrivingCount.incrementAndGet(); |
481 |
|
//the + 1 adds to expectedArrive to account for the main threads arrival |
482 |
|
int expectedArrived = phaseNumber > 0 ? phaseNumber * six + 1 : phaser.getArrivedParties() + 1; |
483 |
|
threadAssertEquals(expectedArrived, arrivingCount.get()); |
484 |
< |
} |
485 |
< |
// .. initially called, for n tasks via |
489 |
< |
private List<Runnable> getRunnables(int size, long wait) { |
490 |
< |
List<Runnable> list = new ArrayList<Runnable>(); |
491 |
< |
for (int i = 0; i < size; i++) { |
492 |
< |
list.add(getRunnable(wait)); |
493 |
< |
} |
494 |
< |
return list; |
495 |
< |
} |
496 |
< |
|
497 |
< |
private Runnable getRunnable(final long wait) { |
498 |
< |
return new CheckedRunnable() { |
499 |
< |
void realRun() { |
500 |
< |
try { |
501 |
< |
Thread.sleep(wait); |
502 |
< |
} catch (InterruptedException noop) { |
503 |
< |
// sleep interruption isn't a problem case for these example |
504 |
< |
} |
505 |
< |
} |
506 |
< |
}; |
484 |
> |
for (Thread thread : threads) |
485 |
> |
thread.join(); |
486 |
|
} |
487 |
|
|
488 |
|
} |