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root/jsr166/jsr166/src/test/tck/ScheduledExecutorSubclassTest.java

Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.10 by jsr166, Tue Dec 1 09:48:12 2009 UTC vs.
Revision 1.15 by jsr166, Mon Oct 11 07:21:32 2010 UTC

#	Line 12 | Line 12 | import java.util.concurrent.atomic.*;
12
13		public class ScheduledExecutorSubclassTest extends JSR166TestCase {
14		public static void main(String[] args) {
15	<	junit.textui.TestRunner.run (suite());
15	>	junit.textui.TestRunner.run(suite());
16		}
17		public static Test suite() {
18		return new TestSuite(ScheduledExecutorSubclassTest.class);
#	Line 78 | Line 78 | public class ScheduledExecutorSubclassTe
78		* execute successfully executes a runnable
79		*/
80		public void testExecute() throws InterruptedException {
81	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
82	<	CustomExecutor p1 = new CustomExecutor(1);
83	<	p1.execute(runnable);
84	<	assertFalse(runnable.done);
85	<	Thread.sleep(SHORT_DELAY_MS);
86	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
87	<	Thread.sleep(MEDIUM_DELAY_MS);
88	<	assertTrue(runnable.done);
89	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
90	<	joinPool(p1);
81	>	CustomExecutor p = new CustomExecutor(1);
82	>	final CountDownLatch done = new CountDownLatch(1);
83	>	final Runnable task = new CheckedRunnable() {
84	>	public void realRun() {
85	>	done.countDown();
86	>	}};
87	>	try {
88	>	p.execute(task);
89	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
90	>	} finally {
91	>	joinPool(p);
92	>	}
93		}
94
95
#	Line 95 | Line 97 | public class ScheduledExecutorSubclassTe
97		* delayed schedule of callable successfully executes after delay
98		*/
99		public void testSchedule1() throws Exception {
100	<	TrackedCallable callable = new TrackedCallable();
101	<	CustomExecutor p1 = new CustomExecutor(1);
102	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
103	<	assertFalse(callable.done);
104	<	Thread.sleep(MEDIUM_DELAY_MS);
105	<	assertTrue(callable.done);
106	<	assertEquals(Boolean.TRUE, f.get());
107	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
108	<	joinPool(p1);
100	>	CustomExecutor p = new CustomExecutor(1);
101	>	final long t0 = System.nanoTime();
102	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
103	>	final CountDownLatch done = new CountDownLatch(1);
104	>	try {
105	>	Callable task = new CheckedCallable<Boolean>() {
106	>	public Boolean realCall() {
107	>	done.countDown();
108	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
109	>	return Boolean.TRUE;
110	>	}};
111	>	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
112	>	assertEquals(Boolean.TRUE, f.get());
113	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
114	>	assertTrue(done.await(0L, MILLISECONDS));
115	>	} finally {
116	>	joinPool(p);
117	>	}
118		}
119
120		/**
121	<	*  delayed schedule of runnable successfully executes after delay
122	<	*/
123	<	public void testSchedule3() throws InterruptedException {
124	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
125	<	CustomExecutor p1 = new CustomExecutor(1);
126	<	p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS);
127	<	Thread.sleep(SHORT_DELAY_MS);
128	<	assertFalse(runnable.done);
129	<	Thread.sleep(MEDIUM_DELAY_MS);
130	<	assertTrue(runnable.done);
131	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
132	<	joinPool(p1);
121	>	* delayed schedule of runnable successfully executes after delay
122	>	*/
123	>	public void testSchedule3() throws Exception {
124	>	CustomExecutor p = new CustomExecutor(1);
125	>	final long t0 = System.nanoTime();
126	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
127	>	final CountDownLatch done = new CountDownLatch(1);
128	>	try {
129	>	Runnable task = new CheckedRunnable() {
130	>	public void realRun() {
131	>	done.countDown();
132	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
133	>	}};
134	>	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
135	>	assertNull(f.get());
136	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
137	>	assertTrue(done.await(0L, MILLISECONDS));
138	>	} finally {
139	>	joinPool(p);
140	>	}
141		}
142
143		/**
144		* scheduleAtFixedRate executes runnable after given initial delay
145		*/
146		public void testSchedule4() throws InterruptedException {
147	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
148	<	CustomExecutor p1 = new CustomExecutor(1);
149	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
150	<	assertFalse(runnable.done);
151	<	Thread.sleep(MEDIUM_DELAY_MS);
152	<	assertTrue(runnable.done);
153	<	h.cancel(true);
154	<	joinPool(p1);
155	<	}
156	<
157	<	static class RunnableCounter implements Runnable {
158	<	AtomicInteger count = new AtomicInteger(0);
159	<	public void run() { count.getAndIncrement(); }
147	>	CustomExecutor p = new CustomExecutor(1);
148	>	final long t0 = System.nanoTime();
149	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
150	>	final CountDownLatch done = new CountDownLatch(1);
151	>	try {
152	>	Runnable task = new CheckedRunnable() {
153	>	public void realRun() {
154	>	done.countDown();
155	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
156	>	}};
157	>	ScheduledFuture f =
158	>	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
159	>	SHORT_DELAY_MS, MILLISECONDS);
160	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
161	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
162	>	f.cancel(true);
163	>	} finally {
164	>	joinPool(p);
165	>	}
166		}
167
168		/**
169		* scheduleWithFixedDelay executes runnable after given initial delay
170		*/
171		public void testSchedule5() throws InterruptedException {
172	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
173	<	CustomExecutor p1 = new CustomExecutor(1);
174	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
175	<	assertFalse(runnable.done);
176	<	Thread.sleep(MEDIUM_DELAY_MS);
177	<	assertTrue(runnable.done);
178	<	h.cancel(true);
179	<	joinPool(p1);
172	>	CustomExecutor p = new CustomExecutor(1);
173	>	final long t0 = System.nanoTime();
174	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
175	>	final CountDownLatch done = new CountDownLatch(1);
176	>	try {
177	>	Runnable task = new CheckedRunnable() {
178	>	public void realRun() {
179	>	done.countDown();
180	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
181	>	}};
182	>	ScheduledFuture f =
183	>	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
184	>	SHORT_DELAY_MS, MILLISECONDS);
185	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
186	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
187	>	f.cancel(true);
188	>	} finally {
189	>	joinPool(p);
190	>	}
191	>	}
192	>
193	>	static class RunnableCounter implements Runnable {
194	>	AtomicInteger count = new AtomicInteger(0);
195	>	public void run() { count.getAndIncrement(); }
196		}
197
198		/**
199		* scheduleAtFixedRate executes series of tasks at given rate
200		*/
201		public void testFixedRateSequence() throws InterruptedException {
202	<	CustomExecutor p1 = new CustomExecutor(1);
202	>	CustomExecutor p = new CustomExecutor(1);
203		RunnableCounter counter = new RunnableCounter();
204		ScheduledFuture h =
205	<	p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
205	>	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
206		Thread.sleep(SMALL_DELAY_MS);
207		h.cancel(true);
208		int c = counter.count.get();
#	Line 169 | Line 210 | public class ScheduledExecutorSubclassTe
210		// an execution per SHORT delay, but no more than one SHORT more
211		assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
212		assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
213	<	joinPool(p1);
213	>	joinPool(p);
214		}
215
216		/**
217		* scheduleWithFixedDelay executes series of tasks with given period
218		*/
219		public void testFixedDelaySequence() throws InterruptedException {
220	<	CustomExecutor p1 = new CustomExecutor(1);
220	>	CustomExecutor p = new CustomExecutor(1);
221		RunnableCounter counter = new RunnableCounter();
222		ScheduledFuture h =
223	<	p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
223	>	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
224		Thread.sleep(SMALL_DELAY_MS);
225		h.cancel(true);
226		int c = counter.count.get();
227		assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
228		assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
229	<	joinPool(p1);
229	>	joinPool(p);
230		}
231
232
233		/**
234	<	*  execute (null) throws NPE
234	>	* execute(null) throws NPE
235		*/
236		public void testExecuteNull() throws InterruptedException {
237		CustomExecutor se = new CustomExecutor(1);
#	Line 202 | Line 243 | public class ScheduledExecutorSubclassTe
243		}
244
245		/**
246	<	* schedule (null) throws NPE
246	>	* schedule(null) throws NPE
247		*/
248		public void testScheduleNull() throws InterruptedException {
249		CustomExecutor se = new CustomExecutor(1);
#	Line 264 | Line 305 | public class ScheduledExecutorSubclassTe
305		}
306
307		/**
308	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
308	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
309		*/
310		public void testScheduleAtFixedRate1_RejectedExecutionException() {
311		CustomExecutor se = new CustomExecutor(1);
#	Line 296 | Line 337 | public class ScheduledExecutorSubclassTe
337		}
338
339		/**
340	<	*  getActiveCount increases but doesn't overestimate, when a
341	<	*  thread becomes active
340	>	* getActiveCount increases but doesn't overestimate, when a
341	>	* thread becomes active
342		*/
343		public void testGetActiveCount() throws InterruptedException {
344	<	CustomExecutor p2 = new CustomExecutor(2);
345	<	assertEquals(0, p2.getActiveCount());
346	<	p2.execute(new SmallRunnable());
347	<	Thread.sleep(SHORT_DELAY_MS);
348	<	assertEquals(1, p2.getActiveCount());
349	<	joinPool(p2);
344	>	final ThreadPoolExecutor p = new CustomExecutor(2);
345	>	final CountDownLatch threadStarted = new CountDownLatch(1);
346	>	final CountDownLatch done = new CountDownLatch(1);
347	>	try {
348	>	assertEquals(0, p.getActiveCount());
349	>	p.execute(new CheckedRunnable() {
350	>	public void realRun() throws InterruptedException {
351	>	threadStarted.countDown();
352	>	assertEquals(1, p.getActiveCount());
353	>	done.await();
354	>	}});
355	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
356	>	assertEquals(1, p.getActiveCount());
357	>	} finally {
358	>	done.countDown();
359	>	joinPool(p);
360	>	}
361		}
362
363		/**
364	<	*    getCompletedTaskCount increases, but doesn't overestimate,
365	<	*   when tasks complete
364	>	* getCompletedTaskCount increases, but doesn't overestimate,
365	>	* when tasks complete
366		*/
367		public void testGetCompletedTaskCount() throws InterruptedException {
368	<	CustomExecutor p2 = new CustomExecutor(2);
369	<	assertEquals(0, p2.getCompletedTaskCount());
370	<	p2.execute(new SmallRunnable());
371	<	Thread.sleep(MEDIUM_DELAY_MS);
372	<	assertEquals(1, p2.getCompletedTaskCount());
373	<	joinPool(p2);
368	>	final ThreadPoolExecutor p = new CustomExecutor(2);
369	>	final CountDownLatch threadStarted = new CountDownLatch(1);
370	>	final CountDownLatch threadProceed = new CountDownLatch(1);
371	>	final CountDownLatch threadDone = new CountDownLatch(1);
372	>	try {
373	>	assertEquals(0, p.getCompletedTaskCount());
374	>	p.execute(new CheckedRunnable() {
375	>	public void realRun() throws InterruptedException {
376	>	threadStarted.countDown();
377	>	assertEquals(0, p.getCompletedTaskCount());
378	>	threadProceed.await();
379	>	threadDone.countDown();
380	>	}});
381	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
382	>	assertEquals(0, p.getCompletedTaskCount());
383	>	threadProceed.countDown();
384	>	threadDone.await();
385	>	Thread.sleep(SHORT_DELAY_MS);
386	>	assertEquals(1, p.getCompletedTaskCount());
387	>	} finally {
388	>	joinPool(p);
389	>	}
390		}
391
392		/**
393	<	*  getCorePoolSize returns size given in constructor if not otherwise set
393	>	* getCorePoolSize returns size given in constructor if not otherwise set
394		*/
395		public void testGetCorePoolSize() {
396	<	CustomExecutor p1 = new CustomExecutor(1);
397	<	assertEquals(1, p1.getCorePoolSize());
398	<	joinPool(p1);
396	>	CustomExecutor p = new CustomExecutor(1);
397	>	assertEquals(1, p.getCorePoolSize());
398	>	joinPool(p);
399		}
400
401		/**
402	<	*    getLargestPoolSize increases, but doesn't overestimate, when
403	<	*   multiple threads active
402	>	* getLargestPoolSize increases, but doesn't overestimate, when
403	>	* multiple threads active
404		*/
405		public void testGetLargestPoolSize() throws InterruptedException {
406	<	CustomExecutor p2 = new CustomExecutor(2);
407	<	assertEquals(0, p2.getLargestPoolSize());
408	<	p2.execute(new SmallRunnable());
409	<	p2.execute(new SmallRunnable());
410	<	Thread.sleep(SHORT_DELAY_MS);
411	<	assertEquals(2, p2.getLargestPoolSize());
412	<	joinPool(p2);
406	>	final int THREADS = 3;
407	>	final ThreadPoolExecutor p = new CustomExecutor(THREADS);
408	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
409	>	final CountDownLatch done = new CountDownLatch(1);
410	>	try {
411	>	assertEquals(0, p.getLargestPoolSize());
412	>	for (int i = 0; i < THREADS; i++)
413	>	p.execute(new CheckedRunnable() {
414	>	public void realRun() throws InterruptedException {
415	>	threadsStarted.countDown();
416	>	done.await();
417	>	assertEquals(THREADS, p.getLargestPoolSize());
418	>	}});
419	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
420	>	assertEquals(THREADS, p.getLargestPoolSize());
421	>	} finally {
422	>	done.countDown();
423	>	joinPool(p);
424	>	assertEquals(THREADS, p.getLargestPoolSize());
425	>	}
426		}
427
428		/**
429	<	*   getPoolSize increases, but doesn't overestimate, when threads
430	<	*   become active
429	>	* getPoolSize increases, but doesn't overestimate, when threads
430	>	* become active
431		*/
432	<	public void testGetPoolSize() {
433	<	CustomExecutor p1 = new CustomExecutor(1);
434	<	assertEquals(0, p1.getPoolSize());
435	<	p1.execute(new SmallRunnable());
436	<	assertEquals(1, p1.getPoolSize());
437	<	joinPool(p1);
432	>	public void testGetPoolSize() throws InterruptedException {
433	>	final ThreadPoolExecutor p = new CustomExecutor(1);
434	>	final CountDownLatch threadStarted = new CountDownLatch(1);
435	>	final CountDownLatch done = new CountDownLatch(1);
436	>	try {
437	>	assertEquals(0, p.getPoolSize());
438	>	p.execute(new CheckedRunnable() {
439	>	public void realRun() throws InterruptedException {
440	>	threadStarted.countDown();
441	>	assertEquals(1, p.getPoolSize());
442	>	done.await();
443	>	}});
444	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
445	>	assertEquals(1, p.getPoolSize());
446	>	} finally {
447	>	done.countDown();
448	>	joinPool(p);
449	>	}
450		}
451
452		/**
453	<	*    getTaskCount increases, but doesn't overestimate, when tasks
454	<	*    submitted
453	>	* getTaskCount increases, but doesn't overestimate, when tasks
454	>	* submitted
455		*/
456		public void testGetTaskCount() throws InterruptedException {
457	<	CustomExecutor p1 = new CustomExecutor(1);
458	<	assertEquals(0, p1.getTaskCount());
459	<	for (int i = 0; i < 5; i++)
460	<	p1.execute(new SmallRunnable());
461	<	Thread.sleep(SHORT_DELAY_MS);
462	<	assertEquals(5, p1.getTaskCount());
463	<	joinPool(p1);
457	>	final ThreadPoolExecutor p = new CustomExecutor(1);
458	>	final CountDownLatch threadStarted = new CountDownLatch(1);
459	>	final CountDownLatch done = new CountDownLatch(1);
460	>	final int TASKS = 5;
461	>	try {
462	>	assertEquals(0, p.getTaskCount());
463	>	for (int i = 0; i < TASKS; i++)
464	>	p.execute(new CheckedRunnable() {
465	>	public void realRun() throws InterruptedException {
466	>	threadStarted.countDown();
467	>	done.await();
468	>	}});
469	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
470	>	assertEquals(TASKS, p.getTaskCount());
471	>	} finally {
472	>	done.countDown();
473	>	joinPool(p);
474	>	}
475		}
476
477		/**
#	Line 406 | Line 510 | public class ScheduledExecutorSubclassTe
510		}
511
512		/**
513	<	*   is isShutDown is false before shutdown, true after
513	>	* isShutDown is false before shutdown, true after
514		*/
515		public void testIsShutdown() {
516	<	CustomExecutor p1 = new CustomExecutor(1);
516	>	CustomExecutor p = new CustomExecutor(1);
517		try {
518	<	assertFalse(p1.isShutdown());
518	>	assertFalse(p.isShutdown());
519		}
520		finally {
521	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
521	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
522		}
523	<	assertTrue(p1.isShutdown());
523	>	assertTrue(p.isShutdown());
524		}
525
526
527		/**
528	<	*  isTerminated is false before termination, true after
528	>	* isTerminated is false before termination, true after
529		*/
530		public void testIsTerminated() throws InterruptedException {
531	<	CustomExecutor p1 = new CustomExecutor(1);
531	>	final ThreadPoolExecutor p = new CustomExecutor(1);
532	>	final CountDownLatch threadStarted = new CountDownLatch(1);
533	>	final CountDownLatch done = new CountDownLatch(1);
534	>	assertFalse(p.isTerminated());
535		try {
536	<	p1.execute(new SmallRunnable());
536	>	p.execute(new CheckedRunnable() {
537	>	public void realRun() throws InterruptedException {
538	>	threadStarted.countDown();
539	>	assertFalse(p.isTerminated());
540	>	done.await();
541	>	}});
542	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
543	>	done.countDown();
544		} finally {
545	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
545	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
546		}
547	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
548	<	assertTrue(p1.isTerminated());
547	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
548	>	assertTrue(p.isTerminated());
549		}
550
551		/**
552	<	*  isTerminating is not true when running or when terminated
552	>	* isTerminating is not true when running or when terminated
553		*/
554		public void testIsTerminating() throws InterruptedException {
555	<	CustomExecutor p1 = new CustomExecutor(1);
556	<	assertFalse(p1.isTerminating());
557	<	try {
558	<	p1.execute(new SmallRunnable());
559	<	assertFalse(p1.isTerminating());
560	<	} finally {
561	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
562	<	}
563	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
564	<	assertTrue(p1.isTerminated());
565	<	assertFalse(p1.isTerminating());
555	>	final ThreadPoolExecutor p = new CustomExecutor(1);
556	>	final CountDownLatch threadStarted = new CountDownLatch(1);
557	>	final CountDownLatch done = new CountDownLatch(1);
558	>	try {
559	>	assertFalse(p.isTerminating());
560	>	p.execute(new CheckedRunnable() {
561	>	public void realRun() throws InterruptedException {
562	>	threadStarted.countDown();
563	>	assertFalse(p.isTerminating());
564	>	done.await();
565	>	}});
566	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
567	>	assertFalse(p.isTerminating());
568	>	done.countDown();
569	>	} finally {
570	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
571	>	}
572	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
573	>	assertTrue(p.isTerminated());
574	>	assertFalse(p.isTerminating());
575		}
576
577		/**
578		* getQueue returns the work queue, which contains queued tasks
579		*/
580		public void testGetQueue() throws InterruptedException {
581	<	CustomExecutor p1 = new CustomExecutor(1);
582	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
583	<	for (int i = 0; i < 5; i++) {
584	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
585	<	}
586	<	try {
587	<	Thread.sleep(SHORT_DELAY_MS);
588	<	BlockingQueue<Runnable> q = p1.getQueue();
589	<	assertTrue(q.contains(tasks[4]));
581	>	ScheduledThreadPoolExecutor p = new CustomExecutor(1);
582	>	final CountDownLatch threadStarted = new CountDownLatch(1);
583	>	final CountDownLatch done = new CountDownLatch(1);
584	>	try {
585	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
586	>	for (int i = 0; i < tasks.length; i++) {
587	>	Runnable r = new CheckedRunnable() {
588	>	public void realRun() throws InterruptedException {
589	>	threadStarted.countDown();
590	>	done.await();
591	>	}};
592	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
593	>	}
594	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
595	>	BlockingQueue<Runnable> q = p.getQueue();
596	>	assertTrue(q.contains(tasks[tasks.length - 1]));
597		assertFalse(q.contains(tasks[0]));
598		} finally {
599	<	joinPool(p1);
599	>	done.countDown();
600	>	joinPool(p);
601		}
602		}
603
#	Line 474 | Line 605 | public class ScheduledExecutorSubclassTe
605		* remove(task) removes queued task, and fails to remove active task
606		*/
607		public void testRemove() throws InterruptedException {
608	<	CustomExecutor p1 = new CustomExecutor(1);
608	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
609		ScheduledFuture[] tasks = new ScheduledFuture[5];
610	<	for (int i = 0; i < 5; i++) {
611	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
481	<	}
610	>	final CountDownLatch threadStarted = new CountDownLatch(1);
611	>	final CountDownLatch done = new CountDownLatch(1);
612		try {
613	<	Thread.sleep(SHORT_DELAY_MS);
614	<	BlockingQueue<Runnable> q = p1.getQueue();
615	<	assertFalse(p1.remove((Runnable)tasks[0]));
613	>	for (int i = 0; i < tasks.length; i++) {
614	>	Runnable r = new CheckedRunnable() {
615	>	public void realRun() throws InterruptedException {
616	>	threadStarted.countDown();
617	>	done.await();
618	>	}};
619	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
620	>	}
621	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
622	>	BlockingQueue<Runnable> q = p.getQueue();
623	>	assertFalse(p.remove((Runnable)tasks[0]));
624		assertTrue(q.contains((Runnable)tasks[4]));
625		assertTrue(q.contains((Runnable)tasks[3]));
626	<	assertTrue(p1.remove((Runnable)tasks[4]));
627	<	assertFalse(p1.remove((Runnable)tasks[4]));
626	>	assertTrue(p.remove((Runnable)tasks[4]));
627	>	assertFalse(p.remove((Runnable)tasks[4]));
628		assertFalse(q.contains((Runnable)tasks[4]));
629		assertTrue(q.contains((Runnable)tasks[3]));
630	<	assertTrue(p1.remove((Runnable)tasks[3]));
630	>	assertTrue(p.remove((Runnable)tasks[3]));
631		assertFalse(q.contains((Runnable)tasks[3]));
632		} finally {
633	<	joinPool(p1);
633	>	done.countDown();
634	>	joinPool(p);
635		}
636		}
637
638		/**
639	<	*  purge removes cancelled tasks from the queue
639	>	* purge removes cancelled tasks from the queue
640		*/
641		public void testPurge() throws InterruptedException {
642	<	CustomExecutor p1 = new CustomExecutor(1);
642	>	CustomExecutor p = new CustomExecutor(1);
643		ScheduledFuture[] tasks = new ScheduledFuture[5];
644	<	for (int i = 0; i < 5; i++) {
645	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
644	>	for (int i = 0; i < tasks.length; i++) {
645	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
646		}
647		try {
648	<	int max = 5;
648	>	int max = tasks.length;
649		if (tasks[4].cancel(true)) --max;
650		if (tasks[3].cancel(true)) --max;
651		// There must eventually be an interference-free point at
652		// which purge will not fail. (At worst, when queue is empty.)
653		int k;
654		for (k = 0; k < SMALL_DELAY_MS; ++k) {
655	<	p1.purge();
656	<	long count = p1.getTaskCount();
655	>	p.purge();
656	>	long count = p.getTaskCount();
657		if (count >= 0 && count <= max)
658		break;
659		Thread.sleep(1);
660		}
661		assertTrue(k < SMALL_DELAY_MS);
662		} finally {
663	<	joinPool(p1);
663	>	for (ScheduledFuture task : tasks)
664	>	task.cancel(true);
665	>	joinPool(p);
666		}
667		}
668
669		/**
670	<	*  shutDownNow returns a list containing tasks that were not run
670	>	* shutDownNow returns a list containing tasks that were not run
671		*/
672		public void testShutDownNow() {
673	<	CustomExecutor p1 = new CustomExecutor(1);
673	>	CustomExecutor p = new CustomExecutor(1);
674		for (int i = 0; i < 5; i++)
675	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
675	>	p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
676		List l;
677		try {
678	<	l = p1.shutdownNow();
678	>	l = p.shutdownNow();
679		} catch (SecurityException ok) {
680		return;
681		}
682	<	assertTrue(p1.isShutdown());
682	>	assertTrue(p.isShutdown());
683		assertTrue(l.size() > 0 && l.size() <= 5);
684	<	joinPool(p1);
684	>	joinPool(p);
685		}
686
687		/**
#	Line 548 | Line 689 | public class ScheduledExecutorSubclassTe
689		* tasks at shutdown
690		*/
691		public void testShutDown1() throws InterruptedException {
692	<	CustomExecutor p1 = new CustomExecutor(1);
693	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
694	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
692	>	CustomExecutor p = new CustomExecutor(1);
693	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
694	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
695
696		ScheduledFuture[] tasks = new ScheduledFuture[5];
697	<	for (int i = 0; i < 5; i++)
698	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
699	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
700	<	BlockingQueue q = p1.getQueue();
701	<	for (Iterator it = q.iterator(); it.hasNext();) {
702	<	ScheduledFuture t = (ScheduledFuture)it.next();
703	<	assertFalse(t.isCancelled());
697	>	for (int i = 0; i < tasks.length; i++)
698	>	tasks[i] = p.schedule(new NoOpRunnable(),
699	>	SHORT_DELAY_MS, MILLISECONDS);
700	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
701	>	BlockingQueue<Runnable> q = p.getQueue();
702	>	for (ScheduledFuture task : tasks) {
703	>	assertFalse(task.isDone());
704	>	assertFalse(task.isCancelled());
705	>	assertTrue(q.contains(task));
706		}
707	<	assertTrue(p1.isShutdown());
708	<	Thread.sleep(SMALL_DELAY_MS);
709	<	for (int i = 0; i < 5; ++i) {
710	<	assertTrue(tasks[i].isDone());
711	<	assertFalse(tasks[i].isCancelled());
707	>	assertTrue(p.isShutdown());
708	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
709	>	assertTrue(p.isTerminated());
710	>	for (ScheduledFuture task : tasks) {
711	>	assertTrue(task.isDone());
712	>	assertFalse(task.isCancelled());
713		}
714		}
715
#	Line 575 | Line 719 | public class ScheduledExecutorSubclassTe
719		* delayed tasks are cancelled at shutdown
720		*/
721		public void testShutDown2() throws InterruptedException {
722	<	CustomExecutor p1 = new CustomExecutor(1);
723	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
722	>	CustomExecutor p = new CustomExecutor(1);
723	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
724		ScheduledFuture[] tasks = new ScheduledFuture[5];
725	<	for (int i = 0; i < 5; i++)
726	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
727	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
728	<	assertTrue(p1.isShutdown());
729	<	BlockingQueue q = p1.getQueue();
725	>	for (int i = 0; i < tasks.length; i++)
726	>	tasks[i] = p.schedule(new NoOpRunnable(),
727	>	SHORT_DELAY_MS, MILLISECONDS);
728	>	BlockingQueue q = p.getQueue();
729	>	assertEquals(tasks.length, q.size());
730	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
731	>	assertTrue(p.isShutdown());
732		assertTrue(q.isEmpty());
733	<	Thread.sleep(SMALL_DELAY_MS);
734	<	assertTrue(p1.isTerminated());
733	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
734	>	assertTrue(p.isTerminated());
735	>	for (ScheduledFuture task : tasks) {
736	>	assertTrue(task.isDone());
737	>	assertTrue(task.isCancelled());
738	>	}
739		}
740
741
742		/**
743		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
744	<	* periodic tasks are not cancelled at shutdown
744	>	* periodic tasks are cancelled at shutdown
745		*/
746		public void testShutDown3() throws InterruptedException {
747	<	CustomExecutor p1 = new CustomExecutor(1);
748	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
747	>	CustomExecutor p = new CustomExecutor(1);
748	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
749		ScheduledFuture task =
750	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
751	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
752	<	assertTrue(p1.isShutdown());
753	<	BlockingQueue q = p1.getQueue();
754	<	assertTrue(q.isEmpty());
755	<	Thread.sleep(SHORT_DELAY_MS);
756	<	assertTrue(p1.isTerminated());
750	>	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
751	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
752	>	assertTrue(p.isShutdown());
753	>	BlockingQueue q = p.getQueue();
754	>	assertTrue(p.getQueue().isEmpty());
755	>	assertTrue(task.isDone());
756	>	assertTrue(task.isCancelled());
757	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
758	>	assertTrue(p.isTerminated());
759		}
760
761		/**
762		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
763	<	* periodic tasks are cancelled at shutdown
763	>	* periodic tasks are not cancelled at shutdown
764		*/
765		public void testShutDown4() throws InterruptedException {
766	<	CustomExecutor p1 = new CustomExecutor(1);
766	>	CustomExecutor p = new CustomExecutor(1);
767	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
768	>	final CountDownLatch counter = new CountDownLatch(2);
769		try {
770	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
770	>	final Runnable r = new CheckedRunnable() {
771	>	public void realRun() {
772	>	counter.countDown();
773	>	}};
774		ScheduledFuture task =
775	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
775	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
776	>	assertFalse(task.isDone());
777		assertFalse(task.isCancelled());
778	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
778	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
779		assertFalse(task.isCancelled());
780	<	assertFalse(p1.isTerminated());
781	<	assertTrue(p1.isShutdown());
782	<	Thread.sleep(SHORT_DELAY_MS);
780	>	assertFalse(p.isTerminated());
781	>	assertTrue(p.isShutdown());
782	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
783		assertFalse(task.isCancelled());
784	<	assertTrue(task.cancel(true));
784	>	assertTrue(task.cancel(false));
785		assertTrue(task.isDone());
786	<	Thread.sleep(SHORT_DELAY_MS);
787	<	assertTrue(p1.isTerminated());
786	>	assertTrue(task.isCancelled());
787	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
788	>	assertTrue(p.isTerminated());
789		}
790		finally {
791	<	joinPool(p1);
791	>	joinPool(p);
792		}
793		}
794
#	Line 707 | Line 866 | public class ScheduledExecutorSubclassTe
866		* invokeAny(c) throws NPE if c has null elements
867		*/
868		public void testInvokeAny3() throws Exception {
869	<	final CountDownLatch latch = new CountDownLatch(1);
869	>	CountDownLatch latch = new CountDownLatch(1);
870		ExecutorService e = new CustomExecutor(2);
871	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
872	+	l.add(latchAwaitingStringTask(latch));
873	+	l.add(null);
874		try {
713	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
714	–	l.add(new Callable<String>() {
715	–	public String call() {
716	–	try {
717	–	latch.await();
718	–	} catch (InterruptedException quittingTime) {}
719	–	return TEST_STRING;
720	–	}});
721	–	l.add(null);
875		e.invokeAny(l);
876		shouldThrow();
877		} catch (NullPointerException success) {
#	Line 733 | Line 886 | public class ScheduledExecutorSubclassTe
886		*/
887		public void testInvokeAny4() throws Exception {
888		ExecutorService e = new CustomExecutor(2);
889	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
890	+	l.add(new NPETask());
891		try {
737	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
738	–	l.add(new NPETask());
892		e.invokeAny(l);
893		shouldThrow();
894		} catch (ExecutionException success) {
#	Line 751 | Line 904 | public class ScheduledExecutorSubclassTe
904		public void testInvokeAny5() throws Exception {
905		ExecutorService e = new CustomExecutor(2);
906		try {
907	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
907	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
908		l.add(new StringTask());
909		l.add(new StringTask());
910		String result = e.invokeAny(l);
#	Line 793 | Line 946 | public class ScheduledExecutorSubclassTe
946		*/
947		public void testInvokeAll3() throws Exception {
948		ExecutorService e = new CustomExecutor(2);
949	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
950	+	l.add(new StringTask());
951	+	l.add(null);
952		try {
797	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
798	–	l.add(new StringTask());
799	–	l.add(null);
953		e.invokeAll(l);
954		shouldThrow();
955		} catch (NullPointerException success) {
#	Line 810 | Line 963 | public class ScheduledExecutorSubclassTe
963		*/
964		public void testInvokeAll4() throws Exception {
965		ExecutorService e = new CustomExecutor(2);
966	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
967	+	l.add(new NPETask());
968	+	List<Future<String>> futures = e.invokeAll(l);
969	+	assertEquals(1, futures.size());
970		try {
971	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
815	<	l.add(new NPETask());
816	<	List<Future<String>> result = e.invokeAll(l);
817	<	assertEquals(1, result.size());
818	<	for (Future<String> future : result)
819	<	future.get();
971	>	futures.get(0).get();
972		shouldThrow();
973		} catch (ExecutionException success) {
974		assertTrue(success.getCause() instanceof NullPointerException);
#	Line 831 | Line 983 | public class ScheduledExecutorSubclassTe
983		public void testInvokeAll5() throws Exception {
984		ExecutorService e = new CustomExecutor(2);
985		try {
986	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
986	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
987		l.add(new StringTask());
988		l.add(new StringTask());
989	<	List<Future<String>> result = e.invokeAll(l);
990	<	assertEquals(2, result.size());
991	<	for (Future<String> future : result)
989	>	List<Future<String>> futures = e.invokeAll(l);
990	>	assertEquals(2, futures.size());
991	>	for (Future<String> future : futures)
992		assertSame(TEST_STRING, future.get());
993		} finally {
994		joinPool(e);
#	Line 862 | Line 1014 | public class ScheduledExecutorSubclassTe
1014		*/
1015		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1016		ExecutorService e = new CustomExecutor(2);
1017	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1018	+	l.add(new StringTask());
1019		try {
866	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
867	–	l.add(new StringTask());
1020		e.invokeAny(l, MEDIUM_DELAY_MS, null);
1021		shouldThrow();
1022		} catch (NullPointerException success) {
#	Line 891 | Line 1043 | public class ScheduledExecutorSubclassTe
1043		* timed invokeAny(c) throws NPE if c has null elements
1044		*/
1045		public void testTimedInvokeAny3() throws Exception {
1046	<	final CountDownLatch latch = new CountDownLatch(1);
1046	>	CountDownLatch latch = new CountDownLatch(1);
1047		ExecutorService e = new CustomExecutor(2);
1048	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1049	+	l.add(latchAwaitingStringTask(latch));
1050	+	l.add(null);
1051		try {
897	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
898	–	l.add(new Callable<String>() {
899	–	public String call() {
900	–	try {
901	–	latch.await();
902	–	} catch (InterruptedException quittingTime) {}
903	–	return TEST_STRING;
904	–	}});
905	–	l.add(null);
1052		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1053		shouldThrow();
1054		} catch (NullPointerException success) {
#	Line 917 | Line 1063 | public class ScheduledExecutorSubclassTe
1063		*/
1064		public void testTimedInvokeAny4() throws Exception {
1065		ExecutorService e = new CustomExecutor(2);
1066	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1067	+	l.add(new NPETask());
1068		try {
921	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
922	–	l.add(new NPETask());
1069		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1070		shouldThrow();
1071		} catch (ExecutionException success) {
#	Line 935 | Line 1081 | public class ScheduledExecutorSubclassTe
1081		public void testTimedInvokeAny5() throws Exception {
1082		ExecutorService e = new CustomExecutor(2);
1083		try {
1084	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1084	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1085		l.add(new StringTask());
1086		l.add(new StringTask());
1087		String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 964 | Line 1110 | public class ScheduledExecutorSubclassTe
1110		*/
1111		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1112		ExecutorService e = new CustomExecutor(2);
1113	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1114	+	l.add(new StringTask());
1115		try {
968	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
969	–	l.add(new StringTask());
1116		e.invokeAll(l, MEDIUM_DELAY_MS, null);
1117		shouldThrow();
1118		} catch (NullPointerException success) {
#	Line 993 | Line 1139 | public class ScheduledExecutorSubclassTe
1139		*/
1140		public void testTimedInvokeAll3() throws Exception {
1141		ExecutorService e = new CustomExecutor(2);
1142	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1143	+	l.add(new StringTask());
1144	+	l.add(null);
1145		try {
997	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
998	–	l.add(new StringTask());
999	–	l.add(null);
1146		e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1147		shouldThrow();
1148		} catch (NullPointerException success) {
#	Line 1010 | Line 1156 | public class ScheduledExecutorSubclassTe
1156		*/
1157		public void testTimedInvokeAll4() throws Exception {
1158		ExecutorService e = new CustomExecutor(2);
1159	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1160	+	l.add(new NPETask());
1161	+	List<Future<String>> futures =
1162	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1163	+	assertEquals(1, futures.size());
1164		try {
1165	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1015	<	l.add(new NPETask());
1016	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1017	<	assertEquals(1, result.size());
1018	<	for (Future<String> future : result)
1019	<	future.get();
1165	>	futures.get(0).get();
1166		shouldThrow();
1167		} catch (ExecutionException success) {
1168		assertTrue(success.getCause() instanceof NullPointerException);
#	Line 1031 | Line 1177 | public class ScheduledExecutorSubclassTe
1177		public void testTimedInvokeAll5() throws Exception {
1178		ExecutorService e = new CustomExecutor(2);
1179		try {
1180	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1180	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1181		l.add(new StringTask());
1182		l.add(new StringTask());
1183	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1184	<	assertEquals(2, result.size());
1185	<	for (Future<String> future : result)
1183	>	List<Future<String>> futures =
1184	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1185	>	assertEquals(2, futures.size());
1186	>	for (Future<String> future : futures)
1187		assertSame(TEST_STRING, future.get());
1188		} finally {
1189		joinPool(e);
#	Line 1049 | Line 1196 | public class ScheduledExecutorSubclassTe
1196		public void testTimedInvokeAll6() throws Exception {
1197		ExecutorService e = new CustomExecutor(2);
1198		try {
1199	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1199	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1200		l.add(new StringTask());
1201		l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1202		l.add(new StringTask());
1203	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1204	<	assertEquals(3, result.size());
1205	<	Iterator<Future<String>> it = result.iterator();
1203	>	List<Future<String>> futures =
1204	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1205	>	assertEquals(3, futures.size());
1206	>	Iterator<Future<String>> it = futures.iterator();
1207		Future<String> f1 = it.next();
1208		Future<String> f2 = it.next();
1209		Future<String> f3 = it.next();

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