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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include John Vint |
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*/ |
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import junit.framework.*; |
9 |
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import java.util.ArrayList; |
10 |
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import java.util.List; |
11 |
< |
import java.util.concurrent.atomic.AtomicInteger; |
12 |
< |
import java.util.concurrent.atomic.AtomicBoolean; |
13 |
< |
import java.util.concurrent.*; |
11 |
> |
import java.util.concurrent.Phaser; |
12 |
> |
import java.util.concurrent.CountDownLatch; |
13 |
> |
import java.util.concurrent.TimeoutException; |
14 |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
16 |
< |
import junit.framework.Test; |
17 |
< |
import junit.framework.TestSuite; |
16 |
> |
import java.util.concurrent.atomic.AtomicBoolean; |
17 |
> |
import java.util.concurrent.atomic.AtomicInteger; |
18 |
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|
19 |
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public class PhaserTest extends JSR166TestCase { |
20 |
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|
28 |
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|
29 |
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private static final int maxParties = 65535; |
30 |
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|
31 |
< |
/** Checks state of phaser. */ |
31 |
> |
/** Checks state of unterminated phaser. */ |
32 |
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protected void assertState(Phaser phaser, |
33 |
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int phase, int parties, int unarrived) { |
34 |
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assertEquals(phase, phaser.getPhase()); |
35 |
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assertEquals(parties, phaser.getRegisteredParties()); |
36 |
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assertEquals(unarrived, phaser.getUnarrivedParties()); |
37 |
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assertEquals(parties - unarrived, phaser.getArrivedParties()); |
38 |
< |
assertTrue((phaser.getPhase() >= 0) ^ phaser.isTerminated()); |
38 |
> |
assertFalse(phaser.isTerminated()); |
39 |
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} |
40 |
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|
41 |
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/** Checks state of terminated phaser. */ |
42 |
< |
protected void assertTerminated(Phaser phaser, |
42 |
< |
int maxPhase, int parties, int unarrived) { |
42 |
> |
protected void assertTerminated(Phaser phaser, int maxPhase, int parties) { |
43 |
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assertTrue(phaser.isTerminated()); |
44 |
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int expectedPhase = maxPhase + Integer.MIN_VALUE; |
45 |
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assertEquals(expectedPhase, phaser.getPhase()); |
50 |
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} |
51 |
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|
52 |
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protected void assertTerminated(Phaser phaser, int maxPhase) { |
53 |
< |
assertTerminated(phaser, maxPhase, 0, 0); |
53 |
> |
assertTerminated(phaser, maxPhase, 0); |
54 |
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} |
55 |
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|
56 |
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/** |
159 |
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phaser.bulkRegister(Integer.MAX_VALUE); |
160 |
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shouldThrow(); |
161 |
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} catch (IllegalStateException success) {} |
162 |
+ |
|
163 |
+ |
assertEquals(0, phaser.bulkRegister(0)); |
164 |
+ |
assertState(phaser, 0, maxParties, maxParties); |
165 |
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} |
166 |
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|
167 |
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/** |
168 |
< |
* register() correctly returns the current barrier phase number when |
169 |
< |
* invoked |
168 |
> |
* register() correctly returns the current barrier phase number |
169 |
> |
* when invoked |
170 |
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*/ |
171 |
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public void testRegister3() { |
172 |
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Phaser phaser = new Phaser(); |
177 |
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} |
178 |
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|
179 |
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/** |
180 |
< |
* register causes the next arrive to not increment the phase rather retain |
181 |
< |
* the phase number |
180 |
> |
* register causes the next arrive to not increment the phase |
181 |
> |
* rather retain the phase number |
182 |
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*/ |
183 |
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public void testRegister4() { |
184 |
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Phaser phaser = new Phaser(1); |
189 |
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} |
190 |
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|
191 |
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/** |
192 |
+ |
* register on a subphaser that is currently empty succeeds, even |
193 |
+ |
* in the presence of another non-empty subphaser |
194 |
+ |
*/ |
195 |
+ |
public void testRegisterEmptySubPhaser() { |
196 |
+ |
Phaser root = new Phaser(); |
197 |
+ |
Phaser child1 = new Phaser(root, 1); |
198 |
+ |
Phaser child2 = new Phaser(root, 0); |
199 |
+ |
assertEquals(0, child2.register()); |
200 |
+ |
assertState(root, 0, 2, 2); |
201 |
+ |
assertState(child1, 0, 1, 1); |
202 |
+ |
assertState(child2, 0, 1, 1); |
203 |
+ |
assertEquals(0, child2.arriveAndDeregister()); |
204 |
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assertState(root, 0, 1, 1); |
205 |
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assertState(child1, 0, 1, 1); |
206 |
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assertState(child2, 0, 0, 0); |
207 |
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assertEquals(0, child2.register()); |
208 |
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assertEquals(0, child2.arriveAndDeregister()); |
209 |
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assertState(root, 0, 1, 1); |
210 |
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assertState(child1, 0, 1, 1); |
211 |
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assertState(child2, 0, 0, 0); |
212 |
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assertEquals(0, child1.arriveAndDeregister()); |
213 |
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assertTerminated(root, 1); |
214 |
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assertTerminated(child1, 1); |
215 |
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assertTerminated(child2, 1); |
216 |
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} |
217 |
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|
218 |
+ |
/** |
219 |
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* Invoking bulkRegister with a negative parameter throws an |
220 |
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* IllegalArgumentException |
221 |
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*/ |
227 |
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} |
228 |
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|
229 |
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/** |
230 |
< |
* bulkRegister should correctly record the number of unarrived parties with |
231 |
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* the number of parties being registered |
230 |
> |
* bulkRegister should correctly record the number of unarrived |
231 |
> |
* parties with the number of parties being registered |
232 |
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*/ |
233 |
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public void testBulkRegister2() { |
234 |
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Phaser phaser = new Phaser(); |
235 |
+ |
assertEquals(0, phaser.bulkRegister(0)); |
236 |
+ |
assertState(phaser, 0, 0, 0); |
237 |
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assertEquals(0, phaser.bulkRegister(20)); |
238 |
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assertState(phaser, 0, 20, 20); |
239 |
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} |
282 |
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/** |
283 |
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* arriveAndDeregister does not wait for others to arrive at barrier |
284 |
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*/ |
285 |
< |
public void testArriveAndDeregister() throws InterruptedException { |
285 |
> |
public void testArriveAndDeregister() { |
286 |
|
final Phaser phaser = new Phaser(1); |
287 |
|
for (int i = 0; i < 10; i++) { |
288 |
|
assertState(phaser, 0, 1, 1); |
298 |
|
/** |
299 |
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* arriveAndDeregister does not wait for others to arrive at barrier |
300 |
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*/ |
301 |
< |
public void testArrive2() throws InterruptedException { |
301 |
> |
public void testArrive2() { |
302 |
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final Phaser phaser = new Phaser(); |
303 |
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assertEquals(0, phaser.register()); |
304 |
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List<Thread> threads = new ArrayList<Thread>(); |
305 |
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for (int i = 0; i < 10; i++) { |
306 |
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assertEquals(0, phaser.register()); |
307 |
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threads.add(newStartedThread(new CheckedRunnable() { |
308 |
< |
public void realRun() throws InterruptedException { |
308 |
> |
public void realRun() { |
309 |
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assertEquals(0, phaser.arriveAndDeregister()); |
310 |
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}})); |
311 |
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} |
312 |
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|
313 |
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for (Thread thread : threads) |
314 |
< |
awaitTermination(thread, LONG_DELAY_MS); |
314 |
> |
awaitTermination(thread); |
315 |
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assertState(phaser, 0, 1, 1); |
316 |
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assertEquals(0, phaser.arrive()); |
317 |
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assertState(phaser, 1, 1, 1); |
323 |
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public void testArrive3() { |
324 |
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Phaser phaser = new Phaser(1); |
325 |
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phaser.forceTermination(); |
326 |
< |
assertTerminated(phaser, 0, 1, 1); |
326 |
> |
assertTerminated(phaser, 0, 1); |
327 |
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assertEquals(0, phaser.getPhase() + Integer.MIN_VALUE); |
328 |
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assertTrue(phaser.arrive() < 0); |
329 |
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assertTrue(phaser.register() < 0); |
415 |
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* arriveAndDeregister returns the phase in which it leaves the |
416 |
|
* phaser in after deregistration |
417 |
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*/ |
418 |
< |
public void testArriveAndDeregister6() throws InterruptedException { |
418 |
> |
public void testArriveAndDeregister6() { |
419 |
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final Phaser phaser = new Phaser(2); |
420 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
421 |
|
public void realRun() { |
427 |
|
assertState(phaser, 1, 1, 1); |
428 |
|
assertEquals(1, phaser.arriveAndDeregister()); |
429 |
|
assertTerminated(phaser, 2); |
430 |
< |
awaitTermination(t, SHORT_DELAY_MS); |
430 |
> |
awaitTermination(t); |
431 |
|
} |
432 |
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|
433 |
|
/** |
450 |
|
} |
451 |
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|
452 |
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/** |
453 |
+ |
* awaitAdvanceInterruptibly blocks interruptibly |
454 |
+ |
*/ |
455 |
+ |
public void testAwaitAdvanceInterruptibly_interruptible() throws InterruptedException { |
456 |
+ |
final Phaser phaser = new Phaser(1); |
457 |
+ |
final CountDownLatch pleaseInterrupt = new CountDownLatch(2); |
458 |
+ |
|
459 |
+ |
Thread t1 = newStartedThread(new CheckedRunnable() { |
460 |
+ |
public void realRun() { |
461 |
+ |
Thread.currentThread().interrupt(); |
462 |
+ |
try { |
463 |
+ |
phaser.awaitAdvanceInterruptibly(0); |
464 |
+ |
shouldThrow(); |
465 |
+ |
} catch (InterruptedException success) {} |
466 |
+ |
assertFalse(Thread.interrupted()); |
467 |
+ |
|
468 |
+ |
pleaseInterrupt.countDown(); |
469 |
+ |
try { |
470 |
+ |
phaser.awaitAdvanceInterruptibly(0); |
471 |
+ |
shouldThrow(); |
472 |
+ |
} catch (InterruptedException success) {} |
473 |
+ |
assertFalse(Thread.interrupted()); |
474 |
+ |
}}); |
475 |
+ |
|
476 |
+ |
Thread t2 = newStartedThread(new CheckedRunnable() { |
477 |
+ |
public void realRun() throws TimeoutException { |
478 |
+ |
Thread.currentThread().interrupt(); |
479 |
+ |
try { |
480 |
+ |
phaser.awaitAdvanceInterruptibly(0, 2*LONG_DELAY_MS, MILLISECONDS); |
481 |
+ |
shouldThrow(); |
482 |
+ |
} catch (InterruptedException success) {} |
483 |
+ |
assertFalse(Thread.interrupted()); |
484 |
+ |
|
485 |
+ |
pleaseInterrupt.countDown(); |
486 |
+ |
try { |
487 |
+ |
phaser.awaitAdvanceInterruptibly(0, 2*LONG_DELAY_MS, MILLISECONDS); |
488 |
+ |
shouldThrow(); |
489 |
+ |
} catch (InterruptedException success) {} |
490 |
+ |
assertFalse(Thread.interrupted()); |
491 |
+ |
}}); |
492 |
+ |
|
493 |
+ |
await(pleaseInterrupt); |
494 |
+ |
assertState(phaser, 0, 1, 1); |
495 |
+ |
assertThreadsStayAlive(t1, t2); |
496 |
+ |
t1.interrupt(); |
497 |
+ |
t2.interrupt(); |
498 |
+ |
awaitTermination(t1); |
499 |
+ |
awaitTermination(t2); |
500 |
+ |
assertState(phaser, 0, 1, 1); |
501 |
+ |
assertEquals(0, phaser.arrive()); |
502 |
+ |
assertState(phaser, 1, 1, 1); |
503 |
+ |
} |
504 |
+ |
|
505 |
+ |
/** |
506 |
|
* awaitAdvance continues waiting if interrupted before waiting |
507 |
|
*/ |
508 |
< |
public void testAwaitAdvanceAfterInterrupt() throws InterruptedException { |
508 |
> |
public void testAwaitAdvanceAfterInterrupt() { |
509 |
|
final Phaser phaser = new Phaser(); |
510 |
|
assertEquals(0, phaser.register()); |
511 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
511 |
> |
final CountDownLatch pleaseArrive = new CountDownLatch(1); |
512 |
|
|
513 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
514 |
< |
public void realRun() throws InterruptedException { |
514 |
> |
public void realRun() { |
515 |
|
Thread.currentThread().interrupt(); |
516 |
|
assertEquals(0, phaser.register()); |
517 |
|
assertEquals(0, phaser.arrive()); |
518 |
< |
threadStarted.countDown(); |
518 |
> |
pleaseArrive.countDown(); |
519 |
|
assertTrue(Thread.currentThread().isInterrupted()); |
520 |
|
assertEquals(1, phaser.awaitAdvance(0)); |
521 |
< |
assertTrue(Thread.currentThread().isInterrupted()); |
521 |
> |
assertTrue(Thread.interrupted()); |
522 |
|
}}); |
523 |
|
|
524 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
525 |
< |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
524 |
> |
await(pleaseArrive); |
525 |
> |
waitForThreadToEnterWaitState(t, SHORT_DELAY_MS); |
526 |
|
assertEquals(0, phaser.arrive()); |
527 |
< |
awaitTermination(t, SMALL_DELAY_MS); |
527 |
> |
awaitTermination(t); |
528 |
|
|
529 |
|
Thread.currentThread().interrupt(); |
530 |
|
assertEquals(1, phaser.awaitAdvance(0)); |
532 |
|
} |
533 |
|
|
534 |
|
/** |
535 |
< |
* awaitAdvance continues waiting if interrupted while waiting |
535 |
> |
* awaitAdvance continues waiting if interrupted while waiting |
536 |
|
*/ |
537 |
< |
public void testAwaitAdvanceBeforeInterrupt() throws InterruptedException { |
537 |
> |
public void testAwaitAdvanceBeforeInterrupt() { |
538 |
|
final Phaser phaser = new Phaser(); |
539 |
|
assertEquals(0, phaser.register()); |
540 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
540 |
> |
final CountDownLatch pleaseArrive = new CountDownLatch(1); |
541 |
|
|
542 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
543 |
< |
public void realRun() throws InterruptedException { |
543 |
> |
public void realRun() { |
544 |
|
assertEquals(0, phaser.register()); |
545 |
|
assertEquals(0, phaser.arrive()); |
461 |
– |
threadStarted.countDown(); |
546 |
|
assertFalse(Thread.currentThread().isInterrupted()); |
547 |
+ |
pleaseArrive.countDown(); |
548 |
|
assertEquals(1, phaser.awaitAdvance(0)); |
549 |
< |
assertTrue(Thread.currentThread().isInterrupted()); |
549 |
> |
assertTrue(Thread.interrupted()); |
550 |
|
}}); |
551 |
|
|
552 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
553 |
< |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
552 |
> |
await(pleaseArrive); |
553 |
> |
waitForThreadToEnterWaitState(t, SHORT_DELAY_MS); |
554 |
|
t.interrupt(); |
555 |
|
assertEquals(0, phaser.arrive()); |
556 |
< |
awaitTermination(t, SMALL_DELAY_MS); |
556 |
> |
awaitTermination(t); |
557 |
|
|
558 |
|
Thread.currentThread().interrupt(); |
559 |
|
assertEquals(1, phaser.awaitAdvance(0)); |
563 |
|
/** |
564 |
|
* arriveAndAwaitAdvance continues waiting if interrupted before waiting |
565 |
|
*/ |
566 |
< |
public void testArriveAndAwaitAdvanceAfterInterrupt() |
482 |
< |
throws InterruptedException { |
566 |
> |
public void testArriveAndAwaitAdvanceAfterInterrupt() { |
567 |
|
final Phaser phaser = new Phaser(); |
568 |
|
assertEquals(0, phaser.register()); |
569 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
569 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
570 |
|
|
571 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
572 |
< |
public void realRun() throws InterruptedException { |
572 |
> |
public void realRun() { |
573 |
|
Thread.currentThread().interrupt(); |
574 |
|
assertEquals(0, phaser.register()); |
575 |
< |
threadStarted.countDown(); |
575 |
> |
pleaseInterrupt.countDown(); |
576 |
|
assertTrue(Thread.currentThread().isInterrupted()); |
577 |
|
assertEquals(1, phaser.arriveAndAwaitAdvance()); |
578 |
|
assertTrue(Thread.currentThread().isInterrupted()); |
579 |
|
}}); |
580 |
|
|
581 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
582 |
< |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
581 |
> |
await(pleaseInterrupt); |
582 |
> |
waitForThreadToEnterWaitState(t, SHORT_DELAY_MS); |
583 |
|
Thread.currentThread().interrupt(); |
584 |
|
assertEquals(1, phaser.arriveAndAwaitAdvance()); |
585 |
|
assertTrue(Thread.interrupted()); |
586 |
< |
awaitTermination(t, SMALL_DELAY_MS); |
586 |
> |
awaitTermination(t); |
587 |
|
} |
588 |
|
|
589 |
|
/** |
590 |
|
* arriveAndAwaitAdvance continues waiting if interrupted while waiting |
591 |
|
*/ |
592 |
< |
public void testArriveAndAwaitAdvanceBeforeInterrupt() |
509 |
< |
throws InterruptedException { |
592 |
> |
public void testArriveAndAwaitAdvanceBeforeInterrupt() { |
593 |
|
final Phaser phaser = new Phaser(); |
594 |
|
assertEquals(0, phaser.register()); |
595 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
595 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
596 |
|
|
597 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
598 |
< |
public void realRun() throws InterruptedException { |
598 |
> |
public void realRun() { |
599 |
|
assertEquals(0, phaser.register()); |
517 |
– |
threadStarted.countDown(); |
600 |
|
assertFalse(Thread.currentThread().isInterrupted()); |
601 |
+ |
pleaseInterrupt.countDown(); |
602 |
|
assertEquals(1, phaser.arriveAndAwaitAdvance()); |
603 |
|
assertTrue(Thread.currentThread().isInterrupted()); |
604 |
|
}}); |
605 |
|
|
606 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
607 |
< |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
606 |
> |
await(pleaseInterrupt); |
607 |
> |
waitForThreadToEnterWaitState(t, SHORT_DELAY_MS); |
608 |
|
t.interrupt(); |
609 |
|
Thread.currentThread().interrupt(); |
610 |
|
assertEquals(1, phaser.arriveAndAwaitAdvance()); |
611 |
|
assertTrue(Thread.interrupted()); |
612 |
< |
awaitTermination(t, SMALL_DELAY_MS); |
612 |
> |
awaitTermination(t); |
613 |
|
} |
614 |
|
|
615 |
|
/** |
616 |
|
* awaitAdvance atomically waits for all parties within the same phase to |
617 |
|
* complete before continuing |
618 |
|
*/ |
619 |
< |
public void testAwaitAdvance4() throws InterruptedException { |
619 |
> |
public void testAwaitAdvance4() { |
620 |
|
final Phaser phaser = new Phaser(4); |
621 |
|
final AtomicInteger count = new AtomicInteger(0); |
622 |
|
List<Thread> threads = new ArrayList<Thread>(); |
628 |
|
count.incrementAndGet(); |
629 |
|
assertEquals(2*k+1, phaser.arrive()); |
630 |
|
assertEquals(2*k+2, phaser.awaitAdvance(2*k+1)); |
631 |
< |
assertEquals(count.get(), 4*(k+1)); |
631 |
> |
assertEquals(4*(k+1), count.get()); |
632 |
|
}}})); |
633 |
|
|
634 |
|
for (Thread thread : threads) |
635 |
< |
awaitTermination(thread, MEDIUM_DELAY_MS); |
635 |
> |
awaitTermination(thread); |
636 |
|
} |
637 |
|
|
638 |
|
/** |
639 |
|
* awaitAdvance returns the current phase |
640 |
|
*/ |
641 |
< |
public void testAwaitAdvance5() throws InterruptedException { |
641 |
> |
public void testAwaitAdvance5() { |
642 |
|
final Phaser phaser = new Phaser(1); |
643 |
|
assertEquals(1, phaser.awaitAdvance(phaser.arrive())); |
644 |
|
assertEquals(1, phaser.getPhase()); |
648 |
|
final CountDownLatch latch = new CountDownLatch(1); |
649 |
|
final boolean goesFirst = ((i & 1) == 0); |
650 |
|
threads.add(newStartedThread(new CheckedRunnable() { |
651 |
< |
public void realRun() throws InterruptedException { |
651 |
> |
public void realRun() { |
652 |
|
if (goesFirst) |
653 |
|
latch.countDown(); |
654 |
|
else |
655 |
< |
assertTrue(latch.await(SMALL_DELAY_MS, MILLISECONDS)); |
655 |
> |
await(latch); |
656 |
|
phaser.arrive(); |
657 |
|
}})); |
658 |
|
if (goesFirst) |
659 |
< |
assertTrue(latch.await(SMALL_DELAY_MS, MILLISECONDS)); |
659 |
> |
await(latch); |
660 |
|
else |
661 |
|
latch.countDown(); |
662 |
|
assertEquals(i + 2, phaser.awaitAdvance(phaser.arrive())); |
663 |
|
assertEquals(i + 2, phaser.getPhase()); |
664 |
|
} |
665 |
|
for (Thread thread : threads) |
666 |
< |
awaitTermination(thread, SMALL_DELAY_MS); |
666 |
> |
awaitTermination(thread); |
667 |
> |
} |
668 |
> |
|
669 |
> |
/** |
670 |
> |
* awaitAdvance returns the current phase in child phasers |
671 |
> |
*/ |
672 |
> |
public void testAwaitAdvanceTieredPhaser() throws Exception { |
673 |
> |
final Phaser parent = new Phaser(); |
674 |
> |
final List<Phaser> zeroPartyChildren = new ArrayList<Phaser>(3); |
675 |
> |
final List<Phaser> onePartyChildren = new ArrayList<Phaser>(3); |
676 |
> |
for (int i = 0; i < 3; i++) { |
677 |
> |
zeroPartyChildren.add(new Phaser(parent, 0)); |
678 |
> |
onePartyChildren.add(new Phaser(parent, 1)); |
679 |
> |
} |
680 |
> |
final List<Phaser> phasers = new ArrayList<Phaser>(); |
681 |
> |
phasers.addAll(zeroPartyChildren); |
682 |
> |
phasers.addAll(onePartyChildren); |
683 |
> |
phasers.add(parent); |
684 |
> |
for (Phaser phaser : phasers) { |
685 |
> |
assertEquals(-42, phaser.awaitAdvance(-42)); |
686 |
> |
assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42)); |
687 |
> |
assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42, SMALL_DELAY_MS, MILLISECONDS)); |
688 |
> |
} |
689 |
> |
|
690 |
> |
for (Phaser child : onePartyChildren) |
691 |
> |
assertEquals(0, child.arrive()); |
692 |
> |
for (Phaser phaser : phasers) { |
693 |
> |
assertEquals(-42, phaser.awaitAdvance(-42)); |
694 |
> |
assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42)); |
695 |
> |
assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42, SMALL_DELAY_MS, MILLISECONDS)); |
696 |
> |
assertEquals(1, phaser.awaitAdvance(0)); |
697 |
> |
assertEquals(1, phaser.awaitAdvanceInterruptibly(0)); |
698 |
> |
assertEquals(1, phaser.awaitAdvanceInterruptibly(0, SMALL_DELAY_MS, MILLISECONDS)); |
699 |
> |
} |
700 |
> |
|
701 |
> |
for (Phaser child : onePartyChildren) |
702 |
> |
assertEquals(1, child.arrive()); |
703 |
> |
for (Phaser phaser : phasers) { |
704 |
> |
assertEquals(-42, phaser.awaitAdvance(-42)); |
705 |
> |
assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42)); |
706 |
> |
assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42, SMALL_DELAY_MS, MILLISECONDS)); |
707 |
> |
assertEquals(2, phaser.awaitAdvance(0)); |
708 |
> |
assertEquals(2, phaser.awaitAdvanceInterruptibly(0)); |
709 |
> |
assertEquals(2, phaser.awaitAdvanceInterruptibly(0, SMALL_DELAY_MS, MILLISECONDS)); |
710 |
> |
assertEquals(2, phaser.awaitAdvance(1)); |
711 |
> |
assertEquals(2, phaser.awaitAdvanceInterruptibly(1)); |
712 |
> |
assertEquals(2, phaser.awaitAdvanceInterruptibly(1, SMALL_DELAY_MS, MILLISECONDS)); |
713 |
> |
} |
714 |
|
} |
715 |
|
|
716 |
|
/** |
717 |
|
* awaitAdvance returns when the phaser is externally terminated |
718 |
|
*/ |
719 |
< |
public void testAwaitAdvance6() throws InterruptedException { |
719 |
> |
public void testAwaitAdvance6() { |
720 |
|
final Phaser phaser = new Phaser(3); |
721 |
< |
final CountDownLatch threadsStarted = new CountDownLatch(2); |
721 |
> |
final CountDownLatch pleaseForceTermination = new CountDownLatch(2); |
722 |
|
final List<Thread> threads = new ArrayList<Thread>(); |
723 |
|
for (int i = 0; i < 2; i++) { |
724 |
|
Runnable r = new CheckedRunnable() { |
725 |
|
public void realRun() { |
726 |
|
assertEquals(0, phaser.arrive()); |
727 |
< |
threadsStarted.countDown(); |
727 |
> |
pleaseForceTermination.countDown(); |
728 |
|
assertTrue(phaser.awaitAdvance(0) < 0); |
729 |
|
assertTrue(phaser.isTerminated()); |
730 |
|
assertTrue(phaser.getPhase() < 0); |
733 |
|
}}; |
734 |
|
threads.add(newStartedThread(r)); |
735 |
|
} |
736 |
< |
threadsStarted.await(); |
736 |
> |
await(pleaseForceTermination); |
737 |
|
phaser.forceTermination(); |
738 |
|
assertTrue(phaser.isTerminated()); |
739 |
|
assertEquals(0, phaser.getPhase() + Integer.MIN_VALUE); |
740 |
|
for (Thread thread : threads) |
741 |
< |
awaitTermination(thread, SMALL_DELAY_MS); |
741 |
> |
awaitTermination(thread); |
742 |
|
assertEquals(3, phaser.getRegisteredParties()); |
743 |
|
} |
744 |
|
|
759 |
|
* number of arrived parties is the same number that is accounted |
760 |
|
* for when the main thread awaitsAdvance |
761 |
|
*/ |
762 |
< |
public void testArriveAndAwaitAdvance3() throws InterruptedException { |
762 |
> |
public void testArriveAndAwaitAdvance3() { |
763 |
|
final Phaser phaser = new Phaser(1); |
764 |
|
final int THREADS = 3; |
765 |
< |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
765 |
> |
final CountDownLatch pleaseArrive = new CountDownLatch(THREADS); |
766 |
|
final List<Thread> threads = new ArrayList<Thread>(); |
767 |
|
for (int i = 0; i < THREADS; i++) |
768 |
|
threads.add(newStartedThread(new CheckedRunnable() { |
769 |
< |
public void realRun() throws InterruptedException { |
769 |
> |
public void realRun() { |
770 |
|
assertEquals(0, phaser.register()); |
771 |
< |
threadsStarted.countDown(); |
771 |
> |
pleaseArrive.countDown(); |
772 |
|
assertEquals(1, phaser.arriveAndAwaitAdvance()); |
773 |
|
}})); |
774 |
|
|
775 |
< |
assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
776 |
< |
long t0 = System.nanoTime(); |
775 |
> |
await(pleaseArrive); |
776 |
> |
long startTime = System.nanoTime(); |
777 |
|
while (phaser.getArrivedParties() < THREADS) |
778 |
|
Thread.yield(); |
779 |
|
assertEquals(THREADS, phaser.getArrivedParties()); |
780 |
< |
assertTrue(NANOSECONDS.toMillis(System.nanoTime() - t0) < SMALL_DELAY_MS); |
780 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
781 |
> |
for (Thread thread : threads) |
782 |
> |
waitForThreadToEnterWaitState(thread, SHORT_DELAY_MS); |
783 |
|
for (Thread thread : threads) |
784 |
|
assertTrue(thread.isAlive()); |
785 |
|
assertState(phaser, 0, THREADS + 1, 1); |
786 |
|
phaser.arriveAndAwaitAdvance(); |
787 |
|
for (Thread thread : threads) |
788 |
< |
awaitTermination(thread, SMALL_DELAY_MS); |
788 |
> |
awaitTermination(thread); |
789 |
|
assertState(phaser, 1, THREADS + 1, THREADS + 1); |
790 |
|
} |
791 |
|
|