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Comparing jsr166/src/test/tck/PhaserTest.java (file contents):
Revision 1.24 by dl, Mon Nov 29 15:47:29 2010 UTC vs.
Revision 1.38 by jsr166, Wed Dec 31 16:44:02 2014 UTC

# Line 1 | Line 1
1   /*
2   * Written by Doug Lea with assistance from members of JCP JSR-166
3   * Expert Group and released to the public domain, as explained at
4 < * http://creativecommons.org/licenses/publicdomain
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5   * Other contributors include John Vint
6   */
7  
8 + import junit.framework.*;
9   import java.util.ArrayList;
10   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   import static java.util.concurrent.TimeUnit.MILLISECONDS;
15 < import static java.util.concurrent.TimeUnit.NANOSECONDS;
15 < import junit.framework.Test;
16 < import junit.framework.TestSuite;
15 > import java.util.concurrent.atomic.AtomicInteger;
16  
17   public class PhaserTest extends JSR166TestCase {
18  
# Line 27 | Line 26 | public class PhaserTest extends JSR166Te
26  
27      private static final int maxParties = 65535;
28  
29 <    /** Checks state of phaser. */
29 >    /** Checks state of unterminated phaser. */
30      protected void assertState(Phaser phaser,
31                                 int phase, int parties, int unarrived) {
32          assertEquals(phase, phaser.getPhase());
33          assertEquals(parties, phaser.getRegisteredParties());
34          assertEquals(unarrived, phaser.getUnarrivedParties());
35          assertEquals(parties - unarrived, phaser.getArrivedParties());
36 <        assertTrue((phaser.getPhase() >= 0) ^ phaser.isTerminated());
36 >        assertFalse(phaser.isTerminated());
37      }
38  
39      /** Checks state of terminated phaser. */
40 <    protected void assertTerminated(Phaser phaser, int parties, int unarrived) {
40 >    protected void assertTerminated(Phaser phaser, int maxPhase, int parties) {
41          assertTrue(phaser.isTerminated());
42 <        assertTrue(phaser.getPhase() < 0);
42 >        int expectedPhase = maxPhase + Integer.MIN_VALUE;
43 >        assertEquals(expectedPhase, phaser.getPhase());
44          assertEquals(parties, phaser.getRegisteredParties());
45 <        assertEquals(unarrived, phaser.getUnarrivedParties());
46 <        assertEquals(parties - unarrived, phaser.getArrivedParties());
45 >        assertEquals(expectedPhase, phaser.register());
46 >        assertEquals(expectedPhase, phaser.arrive());
47 >        assertEquals(expectedPhase, phaser.arriveAndDeregister());
48      }
49  
50 <    protected void assertTerminated(Phaser phaser) {
51 <        assertTerminated(phaser, 0, 0);
50 >    protected void assertTerminated(Phaser phaser, int maxPhase) {
51 >        assertTerminated(phaser, maxPhase, 0);
52      }
53  
54      /**
# Line 156 | Line 157 | public class PhaserTest extends JSR166Te
157              phaser.bulkRegister(Integer.MAX_VALUE);
158              shouldThrow();
159          } catch (IllegalStateException success) {}
160 +
161 +        assertEquals(0, phaser.bulkRegister(0));
162 +        assertState(phaser, 0, maxParties, maxParties);
163      }
164  
165      /**
166 <     * register() correctly returns the current barrier phase number when
167 <     * invoked
166 >     * register() correctly returns the current barrier phase number
167 >     * when invoked
168       */
169      public void testRegister3() {
170          Phaser phaser = new Phaser();
# Line 171 | Line 175 | public class PhaserTest extends JSR166Te
175      }
176  
177      /**
178 <     * register causes the next arrive to not increment the phase rather retain
179 <     * the phase number
178 >     * register causes the next arrive to not increment the phase
179 >     * rather retain the phase number
180       */
181      public void testRegister4() {
182          Phaser phaser = new Phaser(1);
# Line 183 | Line 187 | public class PhaserTest extends JSR166Te
187      }
188  
189      /**
190 +     * register on a subphaser that is currently empty succeeds, even
191 +     * in the presence of another non-empty subphaser
192 +     */
193 +    public void testRegisterEmptySubPhaser() {
194 +        Phaser root = new Phaser();
195 +        Phaser child1 = new Phaser(root, 1);
196 +        Phaser child2 = new Phaser(root, 0);
197 +        assertEquals(0, child2.register());
198 +        assertState(root, 0, 2, 2);
199 +        assertState(child1, 0, 1, 1);
200 +        assertState(child2, 0, 1, 1);
201 +        assertEquals(0, child2.arriveAndDeregister());
202 +        assertState(root, 0, 1, 1);
203 +        assertState(child1, 0, 1, 1);
204 +        assertState(child2, 0, 0, 0);
205 +        assertEquals(0, child2.register());
206 +        assertEquals(0, child2.arriveAndDeregister());
207 +        assertState(root, 0, 1, 1);
208 +        assertState(child1, 0, 1, 1);
209 +        assertState(child2, 0, 0, 0);
210 +        assertEquals(0, child1.arriveAndDeregister());
211 +        assertTerminated(root, 1);
212 +        assertTerminated(child1, 1);
213 +        assertTerminated(child2, 1);
214 +    }
215 +
216 +    /**
217       * Invoking bulkRegister with a negative parameter throws an
218       * IllegalArgumentException
219       */
# Line 194 | Line 225 | public class PhaserTest extends JSR166Te
225      }
226  
227      /**
228 <     * bulkRegister should correctly record the number of unarrived parties with
229 <     * the number of parties being registered
228 >     * bulkRegister should correctly record the number of unarrived
229 >     * parties with the number of parties being registered
230       */
231      public void testBulkRegister2() {
232          Phaser phaser = new Phaser();
233 +        assertEquals(0, phaser.bulkRegister(0));
234 +        assertState(phaser, 0, 0, 0);
235          assertEquals(0, phaser.bulkRegister(20));
236          assertState(phaser, 0, 20, 20);
237      }
# Line 247 | Line 280 | public class PhaserTest extends JSR166Te
280      /**
281       * arriveAndDeregister does not wait for others to arrive at barrier
282       */
283 <    public void testArriveAndDeregister() throws InterruptedException {
283 >    public void testArriveAndDeregister() {
284          final Phaser phaser = new Phaser(1);
285          for (int i = 0; i < 10; i++) {
286              assertState(phaser, 0, 1, 1);
# Line 257 | Line 290 | public class PhaserTest extends JSR166Te
290              assertState(phaser, 0, 1, 1);
291          }
292          assertEquals(0, phaser.arriveAndDeregister());
293 <        assertTerminated(phaser);
261 <        assertEquals(1, phaser.getPhase() + Integer.MIN_VALUE);
293 >        assertTerminated(phaser, 1);
294      }
295  
296      /**
297       * arriveAndDeregister does not wait for others to arrive at barrier
298       */
299 <    public void testArrive2() throws InterruptedException {
299 >    public void testArrive2() {
300          final Phaser phaser = new Phaser();
301          assertEquals(0, phaser.register());
302          List<Thread> threads = new ArrayList<Thread>();
303          for (int i = 0; i < 10; i++) {
304              assertEquals(0, phaser.register());
305              threads.add(newStartedThread(new CheckedRunnable() {
306 <                public void realRun() throws InterruptedException {
306 >                public void realRun() {
307                      assertEquals(0, phaser.arriveAndDeregister());
308                  }}));
309          }
310  
311          for (Thread thread : threads)
312 <            awaitTermination(thread, LONG_DELAY_MS);
312 >            awaitTermination(thread);
313          assertState(phaser, 0, 1, 1);
314          assertEquals(0, phaser.arrive());
315          assertState(phaser, 1, 1, 1);
# Line 289 | Line 321 | public class PhaserTest extends JSR166Te
321      public void testArrive3() {
322          Phaser phaser = new Phaser(1);
323          phaser.forceTermination();
324 <        assertTerminated(phaser, 1, 1);
324 >        assertTerminated(phaser, 0, 1);
325          assertEquals(0, phaser.getPhase() + Integer.MIN_VALUE);
326          assertTrue(phaser.arrive() < 0);
327          assertTrue(phaser.register() < 0);
# Line 336 | Line 368 | public class PhaserTest extends JSR166Te
368          assertState(child, 0, 1, 1);
369          assertState(parent, 0, 1, 1);
370          assertEquals(0, child.arriveAndDeregister());
371 <        assertTerminated(child);
372 <        assertTerminated(parent);
371 >        assertTerminated(child, 1);
372 >        assertTerminated(parent, 1);
373      }
374  
375      /**
# Line 372 | Line 404 | public class PhaserTest extends JSR166Te
404          assertState(parent, 0, 1, 1);
405          assertState(child, 0, 1, 1);
406          assertEquals(0, child.arriveAndDeregister());
407 <        assertTerminated(child);
408 <        assertTerminated(parent);
409 <        assertTerminated(root);
378 <        assertEquals(1, root.getPhase() + Integer.MIN_VALUE);
407 >        assertTerminated(child, 1);
408 >        assertTerminated(parent, 1);
409 >        assertTerminated(root, 1);
410      }
411  
412      /**
413       * arriveAndDeregister returns the phase in which it leaves the
414       * phaser in after deregistration
415       */
416 <    public void testArriveAndDeregister6() throws InterruptedException {
416 >    public void testArriveAndDeregister6() {
417          final Phaser phaser = new Phaser(2);
418          Thread t = newStartedThread(new CheckedRunnable() {
419              public void realRun() {
# Line 393 | Line 424 | public class PhaserTest extends JSR166Te
424          assertEquals(1, phaser.arriveAndDeregister());
425          assertState(phaser, 1, 1, 1);
426          assertEquals(1, phaser.arriveAndDeregister());
427 <        assertTerminated(phaser);
428 <        assertEquals(2, phaser.getPhase() + Integer.MIN_VALUE);
398 <        awaitTermination(t, SHORT_DELAY_MS);
427 >        assertTerminated(phaser, 2);
428 >        awaitTermination(t);
429      }
430  
431      /**
# Line 418 | Line 448 | public class PhaserTest extends JSR166Te
448      }
449  
450      /**
451 +     * awaitAdvanceInterruptibly blocks interruptibly
452 +     */
453 +    public void testAwaitAdvanceInterruptibly_interruptible() throws InterruptedException {
454 +        final Phaser phaser = new Phaser(1);
455 +        final CountDownLatch pleaseInterrupt = new CountDownLatch(2);
456 +
457 +        Thread t1 = newStartedThread(new CheckedRunnable() {
458 +            public void realRun() {
459 +                Thread.currentThread().interrupt();
460 +                try {
461 +                    phaser.awaitAdvanceInterruptibly(0);
462 +                    shouldThrow();
463 +                } catch (InterruptedException success) {}
464 +                assertFalse(Thread.interrupted());
465 +
466 +                pleaseInterrupt.countDown();
467 +                try {
468 +                    phaser.awaitAdvanceInterruptibly(0);
469 +                    shouldThrow();
470 +                } catch (InterruptedException success) {}
471 +                assertFalse(Thread.interrupted());
472 +            }});
473 +
474 +        Thread t2 = newStartedThread(new CheckedRunnable() {
475 +            public void realRun() throws TimeoutException {
476 +                Thread.currentThread().interrupt();
477 +                try {
478 +                    phaser.awaitAdvanceInterruptibly(0, 2*LONG_DELAY_MS, MILLISECONDS);
479 +                    shouldThrow();
480 +                } catch (InterruptedException success) {}
481 +                assertFalse(Thread.interrupted());
482 +
483 +                pleaseInterrupt.countDown();
484 +                try {
485 +                    phaser.awaitAdvanceInterruptibly(0, 2*LONG_DELAY_MS, MILLISECONDS);
486 +                    shouldThrow();
487 +                } catch (InterruptedException success) {}
488 +                assertFalse(Thread.interrupted());
489 +            }});
490 +
491 +        await(pleaseInterrupt);
492 +        assertState(phaser, 0, 1, 1);
493 +        assertThreadsStayAlive(t1, t2);
494 +        t1.interrupt();
495 +        t2.interrupt();
496 +        awaitTermination(t1);
497 +        awaitTermination(t2);
498 +        assertState(phaser, 0, 1, 1);
499 +        assertEquals(0, phaser.arrive());
500 +        assertState(phaser, 1, 1, 1);
501 +    }
502 +
503 +    /**
504       * awaitAdvance continues waiting if interrupted before waiting
505       */
506 <    public void testAwaitAdvanceAfterInterrupt() throws InterruptedException {
506 >    public void testAwaitAdvanceAfterInterrupt() {
507          final Phaser phaser = new Phaser();
508          assertEquals(0, phaser.register());
509 <        final CountDownLatch threadStarted = new CountDownLatch(1);
509 >        final CountDownLatch pleaseArrive = new CountDownLatch(1);
510  
511          Thread t = newStartedThread(new CheckedRunnable() {
512 <            public void realRun() throws InterruptedException {
512 >            public void realRun() {
513                  Thread.currentThread().interrupt();
514                  assertEquals(0, phaser.register());
515                  assertEquals(0, phaser.arrive());
516 <                threadStarted.countDown();
516 >                pleaseArrive.countDown();
517                  assertTrue(Thread.currentThread().isInterrupted());
518                  assertEquals(1, phaser.awaitAdvance(0));
519 <                assertTrue(Thread.currentThread().isInterrupted());
519 >                assertTrue(Thread.interrupted());
520              }});
521  
522 <        assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
523 <        waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
522 >        await(pleaseArrive);
523 >        waitForThreadToEnterWaitState(t, SHORT_DELAY_MS);
524          assertEquals(0, phaser.arrive());
525 <        awaitTermination(t, SMALL_DELAY_MS);
525 >        awaitTermination(t);
526  
527          Thread.currentThread().interrupt();
528          assertEquals(1, phaser.awaitAdvance(0));
# Line 447 | Line 530 | public class PhaserTest extends JSR166Te
530      }
531  
532      /**
533 <     * awaitAdvance continues waiting if interrupted while waiting
533 >     *  awaitAdvance continues waiting if interrupted while waiting
534       */
535 <    public void testAwaitAdvanceBeforeInterrupt() throws InterruptedException {
535 >    public void testAwaitAdvanceBeforeInterrupt() {
536          final Phaser phaser = new Phaser();
537          assertEquals(0, phaser.register());
538 <        final CountDownLatch threadStarted = new CountDownLatch(1);
538 >        final CountDownLatch pleaseArrive = new CountDownLatch(1);
539  
540          Thread t = newStartedThread(new CheckedRunnable() {
541 <            public void realRun() throws InterruptedException {
541 >            public void realRun() {
542                  assertEquals(0, phaser.register());
543                  assertEquals(0, phaser.arrive());
461                threadStarted.countDown();
544                  assertFalse(Thread.currentThread().isInterrupted());
545 +                pleaseArrive.countDown();
546                  assertEquals(1, phaser.awaitAdvance(0));
547 <                assertTrue(Thread.currentThread().isInterrupted());
547 >                assertTrue(Thread.interrupted());
548              }});
549  
550 <        assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
551 <        waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
550 >        await(pleaseArrive);
551 >        waitForThreadToEnterWaitState(t, SHORT_DELAY_MS);
552          t.interrupt();
553          assertEquals(0, phaser.arrive());
554 <        awaitTermination(t, SMALL_DELAY_MS);
554 >        awaitTermination(t);
555  
556          Thread.currentThread().interrupt();
557          assertEquals(1, phaser.awaitAdvance(0));
# Line 478 | Line 561 | public class PhaserTest extends JSR166Te
561      /**
562       * arriveAndAwaitAdvance continues waiting if interrupted before waiting
563       */
564 <    public void testArriveAndAwaitAdvanceAfterInterrupt()
482 <            throws InterruptedException {
564 >    public void testArriveAndAwaitAdvanceAfterInterrupt() {
565          final Phaser phaser = new Phaser();
566          assertEquals(0, phaser.register());
567 <        final CountDownLatch threadStarted = new CountDownLatch(1);
567 >        final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
568  
569          Thread t = newStartedThread(new CheckedRunnable() {
570 <            public void realRun() throws InterruptedException {
570 >            public void realRun() {
571                  Thread.currentThread().interrupt();
572                  assertEquals(0, phaser.register());
573 <                threadStarted.countDown();
573 >                pleaseInterrupt.countDown();
574                  assertTrue(Thread.currentThread().isInterrupted());
575                  assertEquals(1, phaser.arriveAndAwaitAdvance());
576                  assertTrue(Thread.currentThread().isInterrupted());
577              }});
578  
579 <        assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
580 <        waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
579 >        await(pleaseInterrupt);
580 >        waitForThreadToEnterWaitState(t, SHORT_DELAY_MS);
581          Thread.currentThread().interrupt();
582          assertEquals(1, phaser.arriveAndAwaitAdvance());
583          assertTrue(Thread.interrupted());
584 <        awaitTermination(t, SMALL_DELAY_MS);
584 >        awaitTermination(t);
585      }
586  
587      /**
588       * arriveAndAwaitAdvance continues waiting if interrupted while waiting
589       */
590 <    public void testArriveAndAwaitAdvanceBeforeInterrupt()
509 <            throws InterruptedException {
590 >    public void testArriveAndAwaitAdvanceBeforeInterrupt() {
591          final Phaser phaser = new Phaser();
592          assertEquals(0, phaser.register());
593 <        final CountDownLatch threadStarted = new CountDownLatch(1);
593 >        final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
594  
595          Thread t = newStartedThread(new CheckedRunnable() {
596 <            public void realRun() throws InterruptedException {
596 >            public void realRun() {
597                  assertEquals(0, phaser.register());
517                threadStarted.countDown();
598                  assertFalse(Thread.currentThread().isInterrupted());
599 +                pleaseInterrupt.countDown();
600                  assertEquals(1, phaser.arriveAndAwaitAdvance());
601                  assertTrue(Thread.currentThread().isInterrupted());
602              }});
603  
604 <        assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
605 <        waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
604 >        await(pleaseInterrupt);
605 >        waitForThreadToEnterWaitState(t, SHORT_DELAY_MS);
606          t.interrupt();
607          Thread.currentThread().interrupt();
608          assertEquals(1, phaser.arriveAndAwaitAdvance());
609          assertTrue(Thread.interrupted());
610 <        awaitTermination(t, SMALL_DELAY_MS);
610 >        awaitTermination(t);
611      }
612  
613      /**
614       * awaitAdvance atomically waits for all parties within the same phase to
615       * complete before continuing
616       */
617 <    public void testAwaitAdvance4() throws InterruptedException {
617 >    public void testAwaitAdvance4() {
618          final Phaser phaser = new Phaser(4);
619          final AtomicInteger count = new AtomicInteger(0);
620          List<Thread> threads = new ArrayList<Thread>();
# Line 545 | Line 626 | public class PhaserTest extends JSR166Te
626                          count.incrementAndGet();
627                          assertEquals(2*k+1, phaser.arrive());
628                          assertEquals(2*k+2, phaser.awaitAdvance(2*k+1));
629 <                        assertEquals(count.get(), 4*(k+1));
629 >                        assertEquals(4*(k+1), count.get());
630                      }}}));
631  
632          for (Thread thread : threads)
633 <            awaitTermination(thread, MEDIUM_DELAY_MS);
633 >            awaitTermination(thread);
634      }
635  
636      /**
637       * awaitAdvance returns the current phase
638       */
639 <    public void testAwaitAdvance5() throws InterruptedException {
639 >    public void testAwaitAdvance5() {
640          final Phaser phaser = new Phaser(1);
641          assertEquals(1, phaser.awaitAdvance(phaser.arrive()));
642          assertEquals(1, phaser.getPhase());
# Line 565 | Line 646 | public class PhaserTest extends JSR166Te
646              final CountDownLatch latch = new CountDownLatch(1);
647              final boolean goesFirst = ((i & 1) == 0);
648              threads.add(newStartedThread(new CheckedRunnable() {
649 <                public void realRun() throws InterruptedException {
649 >                public void realRun() {
650                      if (goesFirst)
651                          latch.countDown();
652                      else
653 <                        assertTrue(latch.await(SMALL_DELAY_MS, MILLISECONDS));
653 >                        await(latch);
654                      phaser.arrive();
655                  }}));
656              if (goesFirst)
657 <                assertTrue(latch.await(SMALL_DELAY_MS, MILLISECONDS));
657 >                await(latch);
658              else
659                  latch.countDown();
660              assertEquals(i + 2, phaser.awaitAdvance(phaser.arrive()));
661              assertEquals(i + 2, phaser.getPhase());
662          }
663          for (Thread thread : threads)
664 <            awaitTermination(thread, SMALL_DELAY_MS);
664 >            awaitTermination(thread);
665 >    }
666 >
667 >    /**
668 >     * awaitAdvance returns the current phase in child phasers
669 >     */
670 >    public void testAwaitAdvanceTieredPhaser() throws Exception {
671 >        final Phaser parent = new Phaser();
672 >        final List<Phaser> zeroPartyChildren = new ArrayList<Phaser>(3);
673 >        final List<Phaser> onePartyChildren = new ArrayList<Phaser>(3);
674 >        for (int i = 0; i < 3; i++) {
675 >            zeroPartyChildren.add(new Phaser(parent, 0));
676 >            onePartyChildren.add(new Phaser(parent, 1));
677 >        }
678 >        final List<Phaser> phasers = new ArrayList<Phaser>();
679 >        phasers.addAll(zeroPartyChildren);
680 >        phasers.addAll(onePartyChildren);
681 >        phasers.add(parent);
682 >        for (Phaser phaser : phasers) {
683 >            assertEquals(-42, phaser.awaitAdvance(-42));
684 >            assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42));
685 >            assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42, SMALL_DELAY_MS, MILLISECONDS));
686 >        }
687 >
688 >        for (Phaser child : onePartyChildren)
689 >            assertEquals(0, child.arrive());
690 >        for (Phaser phaser : phasers) {
691 >            assertEquals(-42, phaser.awaitAdvance(-42));
692 >            assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42));
693 >            assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42, SMALL_DELAY_MS, MILLISECONDS));
694 >            assertEquals(1, phaser.awaitAdvance(0));
695 >            assertEquals(1, phaser.awaitAdvanceInterruptibly(0));
696 >            assertEquals(1, phaser.awaitAdvanceInterruptibly(0, SMALL_DELAY_MS, MILLISECONDS));
697 >        }
698 >
699 >        for (Phaser child : onePartyChildren)
700 >            assertEquals(1, child.arrive());
701 >        for (Phaser phaser : phasers) {
702 >            assertEquals(-42, phaser.awaitAdvance(-42));
703 >            assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42));
704 >            assertEquals(-42, phaser.awaitAdvanceInterruptibly(-42, SMALL_DELAY_MS, MILLISECONDS));
705 >            assertEquals(2, phaser.awaitAdvance(0));
706 >            assertEquals(2, phaser.awaitAdvanceInterruptibly(0));
707 >            assertEquals(2, phaser.awaitAdvanceInterruptibly(0, SMALL_DELAY_MS, MILLISECONDS));
708 >            assertEquals(2, phaser.awaitAdvance(1));
709 >            assertEquals(2, phaser.awaitAdvanceInterruptibly(1));
710 >            assertEquals(2, phaser.awaitAdvanceInterruptibly(1, SMALL_DELAY_MS, MILLISECONDS));
711 >        }
712      }
713  
714      /**
715       * awaitAdvance returns when the phaser is externally terminated
716       */
717 <    public void testAwaitAdvance6() throws InterruptedException {
717 >    public void testAwaitAdvance6() {
718          final Phaser phaser = new Phaser(3);
719 <        final CountDownLatch threadsStarted = new CountDownLatch(2);
719 >        final CountDownLatch pleaseForceTermination = new CountDownLatch(2);
720          final List<Thread> threads = new ArrayList<Thread>();
721          for (int i = 0; i < 2; i++) {
722              Runnable r = new CheckedRunnable() {
723                  public void realRun() {
724                      assertEquals(0, phaser.arrive());
725 <                    threadsStarted.countDown();
725 >                    pleaseForceTermination.countDown();
726                      assertTrue(phaser.awaitAdvance(0) < 0);
727                      assertTrue(phaser.isTerminated());
728                      assertTrue(phaser.getPhase() < 0);
# Line 603 | Line 731 | public class PhaserTest extends JSR166Te
731                  }};
732              threads.add(newStartedThread(r));
733          }
734 <        threadsStarted.await();
734 >        await(pleaseForceTermination);
735          phaser.forceTermination();
736 +        assertTrue(phaser.isTerminated());
737          assertEquals(0, phaser.getPhase() + Integer.MIN_VALUE);
738          for (Thread thread : threads)
739 <            awaitTermination(thread, SMALL_DELAY_MS);
611 <        assertTrue(phaser.isTerminated());
612 <        assertTrue(phaser.getPhase() < 0);
739 >            awaitTermination(thread);
740          assertEquals(3, phaser.getRegisteredParties());
741      }
742  
# Line 630 | Line 757 | public class PhaserTest extends JSR166Te
757       * number of arrived parties is the same number that is accounted
758       * for when the main thread awaitsAdvance
759       */
760 <    public void testArriveAndAwaitAdvance3() throws InterruptedException {
760 >    public void testArriveAndAwaitAdvance3() {
761          final Phaser phaser = new Phaser(1);
762          final int THREADS = 3;
763 <        final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
763 >        final CountDownLatch pleaseArrive = new CountDownLatch(THREADS);
764          final List<Thread> threads = new ArrayList<Thread>();
765          for (int i = 0; i < THREADS; i++)
766              threads.add(newStartedThread(new CheckedRunnable() {
767 <                public void realRun() throws InterruptedException {
767 >                public void realRun() {
768                      assertEquals(0, phaser.register());
769 <                    threadsStarted.countDown();
769 >                    pleaseArrive.countDown();
770                      assertEquals(1, phaser.arriveAndAwaitAdvance());
771                  }}));
772  
773 <        assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
774 <        long t0 = System.nanoTime();
773 >        await(pleaseArrive);
774 >        long startTime = System.nanoTime();
775          while (phaser.getArrivedParties() < THREADS)
776              Thread.yield();
777          assertEquals(THREADS, phaser.getArrivedParties());
778 <        assertTrue(NANOSECONDS.toMillis(System.nanoTime() - t0) < SMALL_DELAY_MS);
778 >        assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
779 >        for (Thread thread : threads)
780 >            waitForThreadToEnterWaitState(thread, SHORT_DELAY_MS);
781          for (Thread thread : threads)
782              assertTrue(thread.isAlive());
783          assertState(phaser, 0, THREADS + 1, 1);
784          phaser.arriveAndAwaitAdvance();
785          for (Thread thread : threads)
786 <            awaitTermination(thread, SMALL_DELAY_MS);
786 >            awaitTermination(thread);
787          assertState(phaser, 1, THREADS + 1, THREADS + 1);
788      }
789  

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