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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.10 by dl, Mon Dec 22 00:48:56 2003 UTC vs.
Revision 1.21 by dl, Thu Jan 22 15:17:35 2004 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) {
#	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){
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){
#	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){
#	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){
86		unexpectedException();
#	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){
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){
127		unexpectedException();
#	Line 124 | Line 129 | public class ScheduledExecutorTest exten
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	+
173	+
174	+	/**
175		*  execute (null) throws NPE
176		*/
177		public void testExecuteNull() {
#	Line 167 | Line 215 | public class ScheduledExecutorTest exten
215		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
216		shouldThrow();
217		} catch(RejectedExecutionException success){
218	+	} catch (SecurityException ok) {
219		}
220	+
221		joinPool(se);
222
223		}
#	Line 183 | Line 233 | public class ScheduledExecutorTest exten
233		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
234		shouldThrow();
235		} catch(RejectedExecutionException success){
236	+	} catch (SecurityException ok) {
237		}
238		joinPool(se);
239		}
#	Line 198 | Line 249 | public class ScheduledExecutorTest exten
249		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
250		shouldThrow();
251		} catch(RejectedExecutionException success){
252	<	}
252	>	} catch (SecurityException ok) {
253	>	}
254		joinPool(se);
255		}
256
#	Line 213 | Line 265 | public class ScheduledExecutorTest exten
265		MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
266		shouldThrow();
267		} catch(RejectedExecutionException success){
268	+	} catch (SecurityException ok) {
269		}
270		joinPool(se);
271		}
#	Line 228 | Line 281 | public class ScheduledExecutorTest exten
281		MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
282		shouldThrow();
283		} catch(RejectedExecutionException success){
284	+	} catch (SecurityException ok) {
285		}
286		joinPool(se);
287		}
#	Line 330 | Line 384 | public class ScheduledExecutorTest exten
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
#	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
#	Line 370 | Line 422 | public class ScheduledExecutorTest exten
422		assertFalse(p1.isShutdown());
423		}
424		finally {
425	<	p1.shutdown();
425	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
426		}
427		assertTrue(p1.isShutdown());
428		}
#	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));
#	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));
#	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]));
432	–	p1.shutdownNow();
484		} catch(Exception e) {
485		unexpectedException();
486		} finally {
#	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]));
461	–	p1.shutdownNow();
512		} catch(Exception e) {
513		unexpectedException();
514		} finally {
#	Line 473 | Line 523 | public class ScheduledExecutorTest exten
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);
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 491 | Line 554 | public class ScheduledExecutorTest exten
554		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
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 510 | Line 578 | public class ScheduledExecutorTest exten
578		ScheduledFuture[] tasks = new ScheduledFuture[5];
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 541 | Line 609 | public class ScheduledExecutorTest exten
609		ScheduledFuture[] tasks = new ScheduledFuture[5];
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());
#	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());
#	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) {
670		unexpectedException();
671		}
672	<	finally {
673	<	p1.shutdownNow();
672	>	finally {
673	>	joinPool(p1);
674		}
675		}
676
#	Line 666 | Line 734 | public class ScheduledExecutorTest exten
734		}
735		}
736
669	–
670	–
671	–
672	–
737		/**
738		* invokeAny(null) throws NPE
739		*/
#	Line 839 | Line 903 | public class ScheduledExecutorTest exten
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		}

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