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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.9 by dl, Thu Dec 4 20:54:46 2003 UTC vs.
Revision 1.23 by jsr166, Mon Nov 16 04:57:10 2009 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
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
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	+	import java.util.concurrent.atomic.*;
13
14		public class ScheduledExecutorTest extends JSR166TestCase {
15		public static void main(String[] args) {
16	<	junit.textui.TestRunner.run (suite());
16	>	junit.textui.TestRunner.run (suite());
17		}
18		public static Test suite() {
19		return new TestSuite(ScheduledExecutorTest.class);
#	Line 28 | Line 30 | public class ScheduledExecutorTest exten
30		p1.execute(runnable);
31		assertFalse(runnable.done);
32		Thread.sleep(SHORT_DELAY_MS);
33	<	p1.shutdown();
33	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
34		try {
35		Thread.sleep(MEDIUM_DELAY_MS);
36	<	} catch(InterruptedException e){
36	>	} catch (InterruptedException e){
37		unexpectedException();
38		}
39		assertTrue(runnable.done);
40	<	p1.shutdown();
40	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
41		joinPool(p1);
42		}
43	<	catch(Exception e){
43	>	catch (Exception e){
44		unexpectedException();
45		}
46	<
46	>
47		}
48
49
#	Line 57 | Line 59 | public class ScheduledExecutorTest exten
59		Thread.sleep(MEDIUM_DELAY_MS);
60		assertTrue(callable.done);
61		assertEquals(Boolean.TRUE, f.get());
62	<	p1.shutdown();
62	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
63		joinPool(p1);
64	<	} catch(RejectedExecutionException e){}
65	<	catch(Exception e){
64	>	} catch (RejectedExecutionException e){}
65	>	catch (Exception e){
66		e.printStackTrace();
67		unexpectedException();
68		}
#	Line 78 | Line 80 | public class ScheduledExecutorTest exten
80		assertFalse(runnable.done);
81		Thread.sleep(MEDIUM_DELAY_MS);
82		assertTrue(runnable.done);
83	<	p1.shutdown();
83	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
84		joinPool(p1);
85	<	} catch(Exception e){
85	>	} catch (Exception e){
86		unexpectedException();
87		}
88		}
89	<
89	>
90		/**
91		* scheduleAtFixedRate executes runnable after given initial delay
92		*/
#	Line 97 | Line 99 | public class ScheduledExecutorTest exten
99		Thread.sleep(MEDIUM_DELAY_MS);
100		assertTrue(runnable.done);
101		h.cancel(true);
100	–	p1.shutdown();
102		joinPool(p1);
103	<	} catch(Exception e){
103	>	} catch (Exception e){
104		unexpectedException();
105		}
106		}
107
108	+	static class RunnableCounter implements Runnable {
109	+	AtomicInteger count = new AtomicInteger(0);
110	+	public void run() { count.getAndIncrement(); }
111	+	}
112	+
113		/**
114		* scheduleWithFixedDelay executes runnable after given initial delay
115		*/
#	Line 116 | Line 122 | public class ScheduledExecutorTest exten
122		Thread.sleep(MEDIUM_DELAY_MS);
123		assertTrue(runnable.done);
124		h.cancel(true);
119	–	p1.shutdown();
125		joinPool(p1);
126	<	} catch(Exception e){
126	>	} catch (Exception e){
127	>	unexpectedException();
128	>	}
129	>	}
130	>
131	>	/**
132	>	* scheduleAtFixedRate executes series of tasks at given rate
133	>	*/
134	>	public void testFixedRateSequence() {
135	>	try {
136	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
137	>	RunnableCounter counter = new RunnableCounter();
138	>	ScheduledFuture h =
139	>	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
140	>	Thread.sleep(SMALL_DELAY_MS);
141	>	h.cancel(true);
142	>	int c = counter.count.get();
143	>	// By time scaling conventions, we must have at least
144	>	// an execution per SHORT delay, but no more than one SHORT more
145	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
146	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
147	>	joinPool(p1);
148	>	} catch (Exception e){
149	>	unexpectedException();
150	>	}
151	>	}
152	>
153	>	/**
154	>	* scheduleWithFixedDelay executes series of tasks with given period
155	>	*/
156	>	public void testFixedDelaySequence() {
157	>	try {
158	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
159	>	RunnableCounter counter = new RunnableCounter();
160	>	ScheduledFuture h =
161	>	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
162	>	Thread.sleep(SMALL_DELAY_MS);
163	>	h.cancel(true);
164	>	int c = counter.count.get();
165	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
166	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
167	>	joinPool(p1);
168	>	} catch (Exception e){
169		unexpectedException();
170		}
171		}
172	<
172	>
173	>
174		/**
175		*  execute (null) throws NPE
176		*/
#	Line 132 | Line 180 | public class ScheduledExecutorTest exten
180		se = new ScheduledThreadPoolExecutor(1);
181		se.execute(null);
182		shouldThrow();
183	<	} catch(NullPointerException success){}
184	<	catch(Exception e){
183	>	} catch (NullPointerException success){}
184	>	catch (Exception e){
185		unexpectedException();
186		}
187	<
187	>
188		joinPool(se);
189		}
190
#	Line 149 | Line 197 | public class ScheduledExecutorTest exten
197		TrackedCallable callable = null;
198		Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
199		shouldThrow();
200	<	} catch(NullPointerException success){}
201	<	catch(Exception e){
200	>	} catch (NullPointerException success){}
201	>	catch (Exception e){
202		unexpectedException();
203		}
204		joinPool(se);
205		}
206	<
206	>
207		/**
208		* execute throws RejectedExecutionException if shutdown
209		*/
#	Line 166 | Line 214 | public class ScheduledExecutorTest exten
214		se.schedule(new NoOpRunnable(),
215		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
216		shouldThrow();
217	<	} catch(RejectedExecutionException success){
217	>	} catch (RejectedExecutionException success){
218	>	} catch (SecurityException ok) {
219		}
220	+
221		joinPool(se);
222
223		}
#	Line 182 | Line 232 | public class ScheduledExecutorTest exten
232		se.schedule(new NoOpCallable(),
233		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
234		shouldThrow();
235	<	} catch(RejectedExecutionException success){
235	>	} catch (RejectedExecutionException success){
236	>	} catch (SecurityException ok) {
237		}
238		joinPool(se);
239		}
#	Line 197 | Line 248 | public class ScheduledExecutorTest exten
248		se.schedule(new NoOpCallable(),
249		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
250		shouldThrow();
251	<	} catch(RejectedExecutionException success){
252	<	}
251	>	} catch (RejectedExecutionException success){
252	>	} catch (SecurityException ok) {
253	>	}
254		joinPool(se);
255		}
256
#	Line 212 | Line 264 | public class ScheduledExecutorTest exten
264		se.scheduleAtFixedRate(new NoOpRunnable(),
265		MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
266		shouldThrow();
267	<	} catch(RejectedExecutionException success){
268	<	}
267	>	} catch (RejectedExecutionException success){
268	>	} catch (SecurityException ok) {
269	>	}
270		joinPool(se);
271		}
272	<
272	>
273		/**
274		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
275		*/
#	Line 227 | Line 280 | public class ScheduledExecutorTest exten
280		se.scheduleWithFixedDelay(new NoOpRunnable(),
281		MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
282		shouldThrow();
283	<	} catch(RejectedExecutionException success){
284	<	}
283	>	} catch (RejectedExecutionException success){
284	>	} catch (SecurityException ok) {
285	>	}
286		joinPool(se);
287		}
288
#	Line 242 | Line 296 | public class ScheduledExecutorTest exten
296		p2.execute(new SmallRunnable());
297		try {
298		Thread.sleep(SHORT_DELAY_MS);
299	<	} catch(Exception e){
299	>	} catch (Exception e){
300		unexpectedException();
301		}
302		assertEquals(1, p2.getActiveCount());
303		joinPool(p2);
304		}
305	<
305	>
306		/**
307		*    getCompletedTaskCount increases, but doesn't overestimate,
308		*   when tasks complete
#	Line 259 | Line 313 | public class ScheduledExecutorTest exten
313		p2.execute(new SmallRunnable());
314		try {
315		Thread.sleep(MEDIUM_DELAY_MS);
316	<	} catch(Exception e){
316	>	} catch (Exception e){
317		unexpectedException();
318		}
319		assertEquals(1, p2.getCompletedTaskCount());
320		joinPool(p2);
321		}
322	<
322	>
323		/**
324	<	*  getCorePoolSize returns size given in constructor if not otherwise set
324	>	*  getCorePoolSize returns size given in constructor if not otherwise set
325		*/
326		public void testGetCorePoolSize() {
327		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
328		assertEquals(1, p1.getCorePoolSize());
329		joinPool(p1);
330		}
331	<
331	>
332		/**
333		*    getLargestPoolSize increases, but doesn't overestimate, when
334		*   multiple threads active
#	Line 286 | Line 340 | public class ScheduledExecutorTest exten
340		p2.execute(new SmallRunnable());
341		try {
342		Thread.sleep(SHORT_DELAY_MS);
343	<	} catch(Exception e){
343	>	} catch (Exception e){
344		unexpectedException();
345		}
346		assertEquals(2, p2.getLargestPoolSize());
347		joinPool(p2);
348		}
349	<
349	>
350		/**
351		*   getPoolSize increases, but doesn't overestimate, when threads
352		*   become active
#	Line 304 | Line 358 | public class ScheduledExecutorTest exten
358		assertEquals(1, p1.getPoolSize());
359		joinPool(p1);
360		}
361	<
361	>
362		/**
363		*    getTaskCount increases, but doesn't overestimate, when tasks
364		*    submitted
#	Line 312 | Line 366 | public class ScheduledExecutorTest exten
366		public void testGetTaskCount() {
367		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
368		assertEquals(0, p1.getTaskCount());
369	<	for(int i = 0; i < 5; i++)
369	>	for (int i = 0; i < 5; i++)
370		p1.execute(new SmallRunnable());
371		try {
372		Thread.sleep(SHORT_DELAY_MS);
373	<	} catch(Exception e){
373	>	} catch (Exception e){
374		unexpectedException();
375		}
376		assertEquals(5, p1.getTaskCount());
377		joinPool(p1);
378		}
379
380	<	/**
380	>	/**
381		* getThreadFactory returns factory in constructor if not set
382		*/
383		public void testGetThreadFactory() {
384		ThreadFactory tf = new SimpleThreadFactory();
385		ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
386		assertSame(tf, p.getThreadFactory());
333	–	p.shutdown();
387		joinPool(p);
388		}
389
390	<	/**
390	>	/**
391		* setThreadFactory sets the thread factory returned by getThreadFactory
392		*/
393		public void testSetThreadFactory() {
#	Line 342 | Line 395 | public class ScheduledExecutorTest exten
395		ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
396		p.setThreadFactory(tf);
397		assertSame(tf, p.getThreadFactory());
345	–	p.shutdown();
398		joinPool(p);
399		}
400
401	<	/**
401	>	/**
402		* setThreadFactory(null) throws NPE
403		*/
404		public void testSetThreadFactoryNull() {
#	Line 359 | Line 411 | public class ScheduledExecutorTest exten
411		joinPool(p);
412		}
413		}
414	<
414	>
415		/**
416		*   is isShutDown is false before shutdown, true after
417		*/
418		public void testIsShutdown() {
419	<
419	>
420		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
421		try {
422		assertFalse(p1.isShutdown());
423		}
424		finally {
425	<	p1.shutdown();
425	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
426		}
427		assertTrue(p1.isShutdown());
428		}
429
430	<
430	>
431		/**
432		*   isTerminated is false before termination, true after
433		*/
#	Line 384 | Line 436 | public class ScheduledExecutorTest exten
436		try {
437		p1.execute(new SmallRunnable());
438		} finally {
439	<	p1.shutdown();
439	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
440		}
441		try {
442		assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
443		assertTrue(p1.isTerminated());
444	<	} catch(Exception e){
444	>	} catch (Exception e){
445		unexpectedException();
446	<	}
446	>	}
447		}
448
449		/**
#	Line 404 | Line 456 | public class ScheduledExecutorTest exten
456		p1.execute(new SmallRunnable());
457		assertFalse(p1.isTerminating());
458		} finally {
459	<	p1.shutdown();
459	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
460		}
461		try {
462		assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
463		assertTrue(p1.isTerminated());
464		assertFalse(p1.isTerminating());
465	<	} catch(Exception e){
465	>	} catch (Exception e){
466		unexpectedException();
467	<	}
467	>	}
468		}
469
470		/**
#	Line 421 | Line 473 | public class ScheduledExecutorTest exten
473		public void testGetQueue() {
474		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
475		ScheduledFuture[] tasks = new ScheduledFuture[5];
476	<	for(int i = 0; i < 5; i++){
476	>	for (int i = 0; i < 5; i++){
477		tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
478		}
479		try {
#	Line 429 | Line 481 | public class ScheduledExecutorTest exten
481		BlockingQueue<Runnable> q = p1.getQueue();
482		assertTrue(q.contains(tasks[4]));
483		assertFalse(q.contains(tasks[0]));
484	<	p1.shutdownNow();
433	<	} catch(Exception e) {
484	>	} catch (Exception e) {
485		unexpectedException();
486		} finally {
487		joinPool(p1);
#	Line 443 | Line 494 | public class ScheduledExecutorTest exten
494		public void testRemove() {
495		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
496		ScheduledFuture[] tasks = new ScheduledFuture[5];
497	<	for(int i = 0; i < 5; i++){
497	>	for (int i = 0; i < 5; i++){
498		tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
499		}
500		try {
#	Line 458 | Line 509 | public class ScheduledExecutorTest exten
509		assertTrue(q.contains((Runnable)tasks[3]));
510		assertTrue(p1.remove((Runnable)tasks[3]));
511		assertFalse(q.contains((Runnable)tasks[3]));
512	<	p1.shutdownNow();
462	<	} catch(Exception e) {
512	>	} catch (Exception e) {
513		unexpectedException();
514		} finally {
515		joinPool(p1);
#	Line 472 | Line 522 | public class ScheduledExecutorTest exten
522		public void testPurge() {
523		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
524		ScheduledFuture[] tasks = new ScheduledFuture[5];
525	<	for(int i = 0; i < 5; i++){
526	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
525	>	for (int i = 0; i < 5; i++){
526	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
527	>	}
528	>	try {
529	>	int max = 5;
530	>	if (tasks[4].cancel(true)) --max;
531	>	if (tasks[3].cancel(true)) --max;
532	>	// There must eventually be an interference-free point at
533	>	// which purge will not fail. (At worst, when queue is empty.)
534	>	int k;
535	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
536	>	p1.purge();
537	>	long count = p1.getTaskCount();
538	>	if (count >= 0 && count <= max)
539	>	break;
540	>	Thread.sleep(1);
541	>	}
542	>	assertTrue(k < SMALL_DELAY_MS);
543	>	} catch (Exception e) {
544	>	unexpectedException();
545	>	} finally {
546	>	joinPool(p1);
547		}
478	–	int max = 5;
479	–	if (tasks[4].cancel(true)) --max;
480	–	if (tasks[3].cancel(true)) --max;
481	–	p1.purge();
482	–	long count = p1.getTaskCount();
483	–	assertTrue(count > 0 && count <= max);
484	–	joinPool(p1);
548		}
549
550		/**
#	Line 489 | Line 552 | public class ScheduledExecutorTest exten
552		*/
553		public void testShutDownNow() {
554		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
555	<	for(int i = 0; i < 5; i++)
555	>	for (int i = 0; i < 5; i++)
556		p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
557	<	List l = p1.shutdownNow();
557	>	List l;
558	>	try {
559	>	l = p1.shutdownNow();
560	>	} catch (SecurityException ok) {
561	>	return;
562	>	}
563		assertTrue(p1.isShutdown());
564		assertTrue(l.size() > 0 && l.size() <= 5);
565		joinPool(p1);
#	Line 508 | Line 576 | public class ScheduledExecutorTest exten
576		assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
577
578		ScheduledFuture[] tasks = new ScheduledFuture[5];
579	<	for(int i = 0; i < 5; i++)
579	>	for (int i = 0; i < 5; i++)
580		tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
581	<	p1.shutdown();
581	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
582		BlockingQueue q = p1.getQueue();
583		for (Iterator it = q.iterator(); it.hasNext();) {
584		ScheduledFuture t = (ScheduledFuture)it.next();
#	Line 522 | Line 590 | public class ScheduledExecutorTest exten
590		assertTrue(tasks[i].isDone());
591		assertFalse(tasks[i].isCancelled());
592		}
593	<
593	>
594		}
595	<	catch(Exception ex) {
595	>	catch (Exception ex) {
596		unexpectedException();
597		}
598		}
#	Line 539 | Line 607 | public class ScheduledExecutorTest exten
607		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
608		p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
609		ScheduledFuture[] tasks = new ScheduledFuture[5];
610	<	for(int i = 0; i < 5; i++)
610	>	for (int i = 0; i < 5; i++)
611		tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
612	<	p1.shutdown();
612	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
613		assertTrue(p1.isShutdown());
614		BlockingQueue q = p1.getQueue();
615		assertTrue(q.isEmpty());
616		Thread.sleep(SMALL_DELAY_MS);
617		assertTrue(p1.isTerminated());
618		}
619	<	catch(Exception ex) {
619	>	catch (Exception ex) {
620		unexpectedException();
621		}
622		}
#	Line 564 | Line 632 | public class ScheduledExecutorTest exten
632		p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
633		ScheduledFuture task =
634		p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
635	<	p1.shutdown();
635	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
636		assertTrue(p1.isShutdown());
637		BlockingQueue q = p1.getQueue();
638		assertTrue(q.isEmpty());
639		Thread.sleep(SHORT_DELAY_MS);
640		assertTrue(p1.isTerminated());
641		}
642	<	catch(Exception ex) {
642	>	catch (Exception ex) {
643		unexpectedException();
644		}
645		}
#	Line 585 | Line 653 | public class ScheduledExecutorTest exten
653		try {
654		p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
655		ScheduledFuture task =
656	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
656	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
657		assertFalse(task.isCancelled());
658	<	p1.shutdown();
658	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
659		assertFalse(task.isCancelled());
660		assertFalse(p1.isTerminated());
661		assertTrue(p1.isShutdown());
662		Thread.sleep(SHORT_DELAY_MS);
663		assertFalse(task.isCancelled());
664	<	task.cancel(true);
665	<	assertTrue(task.isCancelled());
664	>	assertTrue(task.cancel(true));
665	>	assertTrue(task.isDone());
666		Thread.sleep(SHORT_DELAY_MS);
667		assertTrue(p1.isTerminated());
668		}
669	<	catch(Exception ex) {
669	>	catch (Exception ex) {
670		unexpectedException();
671		}
672		finally {
673	<	p1.shutdownNow();
673	>	joinPool(p1);
674	>	}
675	>	}
676	>
677	>	/**
678	>	* completed submit of callable returns result
679	>	*/
680	>	public void testSubmitCallable() {
681	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
682	>	try {
683	>	Future<String> future = e.submit(new StringTask());
684	>	String result = future.get();
685	>	assertSame(TEST_STRING, result);
686	>	}
687	>	catch (ExecutionException ex) {
688	>	unexpectedException();
689	>	}
690	>	catch (InterruptedException ex) {
691	>	unexpectedException();
692	>	} finally {
693	>	joinPool(e);
694	>	}
695	>	}
696	>
697	>	/**
698	>	* completed submit of runnable returns successfully
699	>	*/
700	>	public void testSubmitRunnable() {
701	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
702	>	try {
703	>	Future<?> future = e.submit(new NoOpRunnable());
704	>	future.get();
705	>	assertTrue(future.isDone());
706	>	}
707	>	catch (ExecutionException ex) {
708	>	unexpectedException();
709	>	}
710	>	catch (InterruptedException ex) {
711	>	unexpectedException();
712	>	} finally {
713	>	joinPool(e);
714	>	}
715	>	}
716	>
717	>	/**
718	>	* completed submit of (runnable, result) returns result
719	>	*/
720	>	public void testSubmitRunnable2() {
721	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
722	>	try {
723	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
724	>	String result = future.get();
725	>	assertSame(TEST_STRING, result);
726	>	}
727	>	catch (ExecutionException ex) {
728	>	unexpectedException();
729	>	}
730	>	catch (InterruptedException ex) {
731	>	unexpectedException();
732	>	} finally {
733	>	joinPool(e);
734	>	}
735	>	}
736	>
737	>	/**
738	>	* invokeAny(null) throws NPE
739	>	*/
740	>	public void testInvokeAny1() {
741	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
742	>	try {
743	>	e.invokeAny(null);
744	>	} catch (NullPointerException success) {
745	>	} catch (Exception ex) {
746	>	unexpectedException();
747	>	} finally {
748	>	joinPool(e);
749	>	}
750	>	}
751	>
752	>	/**
753	>	* invokeAny(empty collection) throws IAE
754	>	*/
755	>	public void testInvokeAny2() {
756	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
757	>	try {
758	>	e.invokeAny(new ArrayList<Callable<String>>());
759	>	} catch (IllegalArgumentException success) {
760	>	} catch (Exception ex) {
761	>	unexpectedException();
762	>	} finally {
763	>	joinPool(e);
764	>	}
765	>	}
766	>
767	>	/**
768	>	* invokeAny(c) throws NPE if c has null elements
769	>	*/
770	>	public void testInvokeAny3() {
771	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
772	>	try {
773	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
774	>	l.add(new StringTask());
775	>	l.add(null);
776	>	e.invokeAny(l);
777	>	} catch (NullPointerException success) {
778	>	} catch (Exception ex) {
779	>	unexpectedException();
780	>	} finally {
781	>	joinPool(e);
782	>	}
783	>	}
784	>
785	>	/**
786	>	* invokeAny(c) throws ExecutionException if no task completes
787	>	*/
788	>	public void testInvokeAny4() {
789	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
790	>	try {
791	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
792	>	l.add(new NPETask());
793	>	e.invokeAny(l);
794	>	} catch (ExecutionException success) {
795	>	} catch (Exception ex) {
796	>	unexpectedException();
797	>	} finally {
798	>	joinPool(e);
799	>	}
800	>	}
801	>
802	>	/**
803	>	* invokeAny(c) returns result of some task
804	>	*/
805	>	public void testInvokeAny5() {
806	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
807	>	try {
808	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
809	>	l.add(new StringTask());
810	>	l.add(new StringTask());
811	>	String result = e.invokeAny(l);
812	>	assertSame(TEST_STRING, result);
813	>	} catch (ExecutionException success) {
814	>	} catch (Exception ex) {
815	>	unexpectedException();
816	>	} finally {
817	>	joinPool(e);
818	>	}
819	>	}
820	>
821	>	/**
822	>	* invokeAll(null) throws NPE
823	>	*/
824	>	public void testInvokeAll1() {
825	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
826	>	try {
827	>	e.invokeAll(null);
828	>	} catch (NullPointerException success) {
829	>	} catch (Exception ex) {
830	>	unexpectedException();
831	>	} finally {
832	>	joinPool(e);
833		}
834		}
835
836	+	/**
837	+	* invokeAll(empty collection) returns empty collection
838	+	*/
839	+	public void testInvokeAll2() {
840	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
841	+	try {
842	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
843	+	assertTrue(r.isEmpty());
844	+	} catch (Exception ex) {
845	+	unexpectedException();
846	+	} finally {
847	+	joinPool(e);
848	+	}
849	+	}
850	+
851	+	/**
852	+	* invokeAll(c) throws NPE if c has null elements
853	+	*/
854	+	public void testInvokeAll3() {
855	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
856	+	try {
857	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
858	+	l.add(new StringTask());
859	+	l.add(null);
860	+	e.invokeAll(l);
861	+	} catch (NullPointerException success) {
862	+	} catch (Exception ex) {
863	+	unexpectedException();
864	+	} finally {
865	+	joinPool(e);
866	+	}
867	+	}
868	+
869	+	/**
870	+	* get of invokeAll(c) throws exception on failed task
871	+	*/
872	+	public void testInvokeAll4() {
873	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
874	+	try {
875	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
876	+	l.add(new NPETask());
877	+	List<Future<String>> result = e.invokeAll(l);
878	+	assertEquals(1, result.size());
879	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
880	+	it.next().get();
881	+	} catch (ExecutionException success) {
882	+	} catch (Exception ex) {
883	+	unexpectedException();
884	+	} finally {
885	+	joinPool(e);
886	+	}
887	+	}
888	+
889	+	/**
890	+	* invokeAll(c) returns results of all completed tasks
891	+	*/
892	+	public void testInvokeAll5() {
893	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
894	+	try {
895	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
896	+	l.add(new StringTask());
897	+	l.add(new StringTask());
898	+	List<Future<String>> result = e.invokeAll(l);
899	+	assertEquals(2, result.size());
900	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
901	+	assertSame(TEST_STRING, it.next().get());
902	+	} catch (ExecutionException success) {
903	+	} catch (Exception ex) {
904	+	unexpectedException();
905	+	} finally {
906	+	joinPool(e);
907	+	}
908	+	}
909	+
910	+	/**
911	+	* timed invokeAny(null) throws NPE
912	+	*/
913	+	public void testTimedInvokeAny1() {
914	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
915	+	try {
916	+	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
917	+	} catch (NullPointerException success) {
918	+	} catch (Exception ex) {
919	+	unexpectedException();
920	+	} finally {
921	+	joinPool(e);
922	+	}
923	+	}
924	+
925	+	/**
926	+	* timed invokeAny(,,null) throws NPE
927	+	*/
928	+	public void testTimedInvokeAnyNullTimeUnit() {
929	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
930	+	try {
931	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
932	+	l.add(new StringTask());
933	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
934	+	} catch (NullPointerException success) {
935	+	} catch (Exception ex) {
936	+	unexpectedException();
937	+	} finally {
938	+	joinPool(e);
939	+	}
940	+	}
941	+
942	+	/**
943	+	* timed invokeAny(empty collection) throws IAE
944	+	*/
945	+	public void testTimedInvokeAny2() {
946	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
947	+	try {
948	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
949	+	} catch (IllegalArgumentException success) {
950	+	} catch (Exception ex) {
951	+	unexpectedException();
952	+	} finally {
953	+	joinPool(e);
954	+	}
955	+	}
956	+
957	+	/**
958	+	* timed invokeAny(c) throws NPE if c has null elements
959	+	*/
960	+	public void testTimedInvokeAny3() {
961	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
962	+	try {
963	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
964	+	l.add(new StringTask());
965	+	l.add(null);
966	+	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
967	+	} catch (NullPointerException success) {
968	+	} catch (Exception ex) {
969	+	ex.printStackTrace();
970	+	unexpectedException();
971	+	} finally {
972	+	joinPool(e);
973	+	}
974	+	}
975	+
976	+	/**
977	+	* timed invokeAny(c) throws ExecutionException if no task completes
978	+	*/
979	+	public void testTimedInvokeAny4() {
980	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
981	+	try {
982	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
983	+	l.add(new NPETask());
984	+	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
985	+	} catch (ExecutionException success) {
986	+	} catch (Exception ex) {
987	+	unexpectedException();
988	+	} finally {
989	+	joinPool(e);
990	+	}
991	+	}
992	+
993	+	/**
994	+	* timed invokeAny(c) returns result of some task
995	+	*/
996	+	public void testTimedInvokeAny5() {
997	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
998	+	try {
999	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1000	+	l.add(new StringTask());
1001	+	l.add(new StringTask());
1002	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1003	+	assertSame(TEST_STRING, result);
1004	+	} catch (ExecutionException success) {
1005	+	} catch (Exception ex) {
1006	+	unexpectedException();
1007	+	} finally {
1008	+	joinPool(e);
1009	+	}
1010	+	}
1011	+
1012	+	/**
1013	+	* timed invokeAll(null) throws NPE
1014	+	*/
1015	+	public void testTimedInvokeAll1() {
1016	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1017	+	try {
1018	+	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1019	+	} catch (NullPointerException success) {
1020	+	} catch (Exception ex) {
1021	+	unexpectedException();
1022	+	} finally {
1023	+	joinPool(e);
1024	+	}
1025	+	}
1026	+
1027	+	/**
1028	+	* timed invokeAll(,,null) throws NPE
1029	+	*/
1030	+	public void testTimedInvokeAllNullTimeUnit() {
1031	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1032	+	try {
1033	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1034	+	l.add(new StringTask());
1035	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1036	+	} catch (NullPointerException success) {
1037	+	} catch (Exception ex) {
1038	+	unexpectedException();
1039	+	} finally {
1040	+	joinPool(e);
1041	+	}
1042	+	}
1043	+
1044	+	/**
1045	+	* timed invokeAll(empty collection) returns empty collection
1046	+	*/
1047	+	public void testTimedInvokeAll2() {
1048	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1049	+	try {
1050	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1051	+	assertTrue(r.isEmpty());
1052	+	} catch (Exception ex) {
1053	+	unexpectedException();
1054	+	} finally {
1055	+	joinPool(e);
1056	+	}
1057	+	}
1058	+
1059	+	/**
1060	+	* timed invokeAll(c) throws NPE if c has null elements
1061	+	*/
1062	+	public void testTimedInvokeAll3() {
1063	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1064	+	try {
1065	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1066	+	l.add(new StringTask());
1067	+	l.add(null);
1068	+	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1069	+	} catch (NullPointerException success) {
1070	+	} catch (Exception ex) {
1071	+	unexpectedException();
1072	+	} finally {
1073	+	joinPool(e);
1074	+	}
1075	+	}
1076	+
1077	+	/**
1078	+	* get of element of invokeAll(c) throws exception on failed task
1079	+	*/
1080	+	public void testTimedInvokeAll4() {
1081	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1082	+	try {
1083	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1084	+	l.add(new NPETask());
1085	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1086	+	assertEquals(1, result.size());
1087	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1088	+	it.next().get();
1089	+	} catch (ExecutionException success) {
1090	+	} catch (Exception ex) {
1091	+	unexpectedException();
1092	+	} finally {
1093	+	joinPool(e);
1094	+	}
1095	+	}
1096	+
1097	+	/**
1098	+	* timed invokeAll(c) returns results of all completed tasks
1099	+	*/
1100	+	public void testTimedInvokeAll5() {
1101	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1102	+	try {
1103	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1104	+	l.add(new StringTask());
1105	+	l.add(new StringTask());
1106	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1107	+	assertEquals(2, result.size());
1108	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1109	+	assertSame(TEST_STRING, it.next().get());
1110	+	} catch (ExecutionException success) {
1111	+	} catch (Exception ex) {
1112	+	unexpectedException();
1113	+	} finally {
1114	+	joinPool(e);
1115	+	}
1116	+	}
1117	+
1118	+	/**
1119	+	* timed invokeAll(c) cancels tasks not completed by timeout
1120	+	*/
1121	+	public void testTimedInvokeAll6() {
1122	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1123	+	try {
1124	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1125	+	l.add(new StringTask());
1126	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1127	+	l.add(new StringTask());
1128	+	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1129	+	assertEquals(3, result.size());
1130	+	Iterator<Future<String>> it = result.iterator();
1131	+	Future<String> f1 = it.next();
1132	+	Future<String> f2 = it.next();
1133	+	Future<String> f3 = it.next();
1134	+	assertTrue(f1.isDone());
1135	+	assertTrue(f2.isDone());
1136	+	assertTrue(f3.isDone());
1137	+	assertFalse(f1.isCancelled());
1138	+	assertTrue(f2.isCancelled());
1139	+	} catch (Exception ex) {
1140	+	unexpectedException();
1141	+	} finally {
1142	+	joinPool(e);
1143	+	}
1144	+	}
1145	+
1146	+
1147		}

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