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

Comparing jsr166/src/test/tck/ThreadPoolExecutorSubclassTest.java (file contents):
Revision 1.70 by jsr166, Sun Oct 4 02:33:09 2015 UTC vs.
Revision 1.105 by dl, Tue Jan 26 13:33:06 2021 UTC

#	Line 10 | Line 10 | import static java.util.concurrent.TimeU
10		import static java.util.concurrent.TimeUnit.SECONDS;
11
12		import java.util.ArrayList;
13	+	import java.util.Collection;
14	+	import java.util.Collections;
15		import java.util.List;
16		import java.util.concurrent.ArrayBlockingQueue;
17		import java.util.concurrent.BlockingQueue;
#	Line 17 | Line 19 | import java.util.concurrent.Callable;
19		import java.util.concurrent.CancellationException;
20		import java.util.concurrent.CountDownLatch;
21		import java.util.concurrent.ExecutionException;
20	–	import java.util.concurrent.Executors;
22		import java.util.concurrent.ExecutorService;
23		import java.util.concurrent.Future;
24		import java.util.concurrent.FutureTask;
25		import java.util.concurrent.LinkedBlockingQueue;
25	–	import java.util.concurrent.RejectedExecutionException;
26		import java.util.concurrent.RejectedExecutionHandler;
27		import java.util.concurrent.RunnableFuture;
28		import java.util.concurrent.SynchronousQueue;
29		import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadLocalRandom;
31		import java.util.concurrent.ThreadPoolExecutor;
32		import java.util.concurrent.TimeoutException;
33		import java.util.concurrent.TimeUnit;
#	Line 239 | Line 240 | public class ThreadPoolExecutorSubclassT
240		final Runnable task = new CheckedRunnable() {
241		public void realRun() { done.countDown(); }};
242		p.execute(task);
243	<	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
243	>	await(done);
244		}
245		}
246
#	Line 248 | Line 249 | public class ThreadPoolExecutorSubclassT
249		* thread becomes active
250		*/
251		public void testGetActiveCount() throws InterruptedException {
252	+	final CountDownLatch done = new CountDownLatch(1);
253		final ThreadPoolExecutor p =
254		new CustomTPE(2, 2,
255		LONG_DELAY_MS, MILLISECONDS,
256		new ArrayBlockingQueue<Runnable>(10));
257	<	try (PoolCleaner cleaner = cleaner(p)) {
257	>	try (PoolCleaner cleaner = cleaner(p, done)) {
258		final CountDownLatch threadStarted = new CountDownLatch(1);
257	–	final CountDownLatch done = new CountDownLatch(1);
259		assertEquals(0, p.getActiveCount());
260		p.execute(new CheckedRunnable() {
261		public void realRun() throws InterruptedException {
262		threadStarted.countDown();
263		assertEquals(1, p.getActiveCount());
264	<	done.await();
264	>	await(done);
265		}});
266	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
266	>	await(threadStarted);
267		assertEquals(1, p.getActiveCount());
267	–	done.countDown();
268		}
269		}
270
#	Line 272 | Line 272 | public class ThreadPoolExecutorSubclassT
272		* prestartCoreThread starts a thread if under corePoolSize, else doesn't
273		*/
274		public void testPrestartCoreThread() {
275	<	ThreadPoolExecutor p =
275	>	final ThreadPoolExecutor p =
276		new CustomTPE(2, 6,
277		LONG_DELAY_MS, MILLISECONDS,
278		new ArrayBlockingQueue<Runnable>(10));
#	Line 298 | Line 298 | public class ThreadPoolExecutorSubclassT
298		* prestartAllCoreThreads starts all corePoolSize threads
299		*/
300		public void testPrestartAllCoreThreads() {
301	<	ThreadPoolExecutor p =
301	>	final ThreadPoolExecutor p =
302		new CustomTPE(2, 6,
303		LONG_DELAY_MS, MILLISECONDS,
304		new ArrayBlockingQueue<Runnable>(10));
#	Line 334 | Line 334 | public class ThreadPoolExecutorSubclassT
334		public void realRun() throws InterruptedException {
335		threadStarted.countDown();
336		assertEquals(0, p.getCompletedTaskCount());
337	<	threadProceed.await();
337	>	await(threadProceed);
338		threadDone.countDown();
339		}});
340		await(threadStarted);
341		assertEquals(0, p.getCompletedTaskCount());
342		threadProceed.countDown();
343	<	threadDone.await();
343	>	await(threadDone);
344		long startTime = System.nanoTime();
345		while (p.getCompletedTaskCount() != 1) {
346		if (millisElapsedSince(startTime) > LONG_DELAY_MS)
#	Line 476 | Line 476 | public class ThreadPoolExecutorSubclassT
476		*/
477		public void testGetLargestPoolSize() throws InterruptedException {
478		final int THREADS = 3;
479	+	final CountDownLatch done = new CountDownLatch(1);
480		final ThreadPoolExecutor p =
481		new CustomTPE(THREADS, THREADS,
482		LONG_DELAY_MS, MILLISECONDS,
483		new ArrayBlockingQueue<Runnable>(10));
484	<	try (PoolCleaner cleaner = cleaner(p)) {
484	<	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
485	<	final CountDownLatch done = new CountDownLatch(1);
484	>	try (PoolCleaner cleaner = cleaner(p, done)) {
485		assertEquals(0, p.getLargestPoolSize());
486	+	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
487		for (int i = 0; i < THREADS; i++)
488		p.execute(new CheckedRunnable() {
489		public void realRun() throws InterruptedException {
490		threadsStarted.countDown();
491	<	done.await();
491	>	await(done);
492		assertEquals(THREADS, p.getLargestPoolSize());
493		}});
494	<	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
494	>	await(threadsStarted);
495		assertEquals(THREADS, p.getLargestPoolSize());
496	–	done.countDown();   // release pool
496		}
497		assertEquals(THREADS, p.getLargestPoolSize());
498		}
#	Line 521 | Line 520 | public class ThreadPoolExecutorSubclassT
520		* become active
521		*/
522		public void testGetPoolSize() throws InterruptedException {
523	+	final CountDownLatch done = new CountDownLatch(1);
524		final ThreadPoolExecutor p =
525		new CustomTPE(1, 1,
526		LONG_DELAY_MS, MILLISECONDS,
527		new ArrayBlockingQueue<Runnable>(10));
528	<	try (PoolCleaner cleaner = cleaner(p)) {
529	<	final CountDownLatch threadStarted = new CountDownLatch(1);
530	<	final CountDownLatch done = new CountDownLatch(1);
528	>	try (PoolCleaner cleaner = cleaner(p, done)) {
529		assertEquals(0, p.getPoolSize());
530	+	final CountDownLatch threadStarted = new CountDownLatch(1);
531		p.execute(new CheckedRunnable() {
532		public void realRun() throws InterruptedException {
533		threadStarted.countDown();
534		assertEquals(1, p.getPoolSize());
535	<	done.await();
535	>	await(done);
536		}});
537	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
537	>	await(threadStarted);
538		assertEquals(1, p.getPoolSize());
540	–	done.countDown();   // release pool
539		}
540		}
541
#	Line 545 | Line 543 | public class ThreadPoolExecutorSubclassT
543		* getTaskCount increases, but doesn't overestimate, when tasks submitted
544		*/
545		public void testGetTaskCount() throws InterruptedException {
546	+	final int TASKS = 3;
547	+	final CountDownLatch done = new CountDownLatch(1);
548		final ThreadPoolExecutor p =
549		new CustomTPE(1, 1,
550		LONG_DELAY_MS, MILLISECONDS,
551		new ArrayBlockingQueue<Runnable>(10));
552	<	try (PoolCleaner cleaner = cleaner(p)) {
552	>	try (PoolCleaner cleaner = cleaner(p, done)) {
553		final CountDownLatch threadStarted = new CountDownLatch(1);
554	–	final CountDownLatch done = new CountDownLatch(1);
554		assertEquals(0, p.getTaskCount());
555	+	assertEquals(0, p.getCompletedTaskCount());
556		p.execute(new CheckedRunnable() {
557		public void realRun() throws InterruptedException {
558		threadStarted.countDown();
559	<	assertEquals(1, p.getTaskCount());
560	<	done.await();
559	>	await(done);
560		}});
561	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
561	>	await(threadStarted);
562		assertEquals(1, p.getTaskCount());
563	<	done.countDown();
563	>	assertEquals(0, p.getCompletedTaskCount());
564	>	for (int i = 0; i < TASKS; i++) {
565	>	assertEquals(1 + i, p.getTaskCount());
566	>	p.execute(new CheckedRunnable() {
567	>	public void realRun() throws InterruptedException {
568	>	threadStarted.countDown();
569	>	assertEquals(1 + TASKS, p.getTaskCount());
570	>	await(done);
571	>	}});
572	>	}
573	>	assertEquals(1 + TASKS, p.getTaskCount());
574	>	assertEquals(0, p.getCompletedTaskCount());
575		}
576	+	assertEquals(1 + TASKS, p.getTaskCount());
577	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
578		}
579
580		/**
#	Line 596 | Line 608 | public class ThreadPoolExecutorSubclassT
608		public void realRun() throws InterruptedException {
609		assertFalse(p.isTerminating());
610		threadStarted.countDown();
611	<	done.await();
611	>	await(done);
612		}});
613	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
613	>	await(threadStarted);
614		assertFalse(p.isTerminating());
615		done.countDown();
616		try { p.shutdown(); } catch (SecurityException ok) { return; }
#	Line 624 | Line 636 | public class ThreadPoolExecutorSubclassT
636		public void realRun() throws InterruptedException {
637		assertFalse(p.isTerminating());
638		threadStarted.countDown();
639	<	done.await();
639	>	await(done);
640		}});
641	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
641	>	await(threadStarted);
642		assertFalse(p.isTerminating());
643		done.countDown();
644		try { p.shutdown(); } catch (SecurityException ok) { return; }
#	Line 640 | Line 652 | public class ThreadPoolExecutorSubclassT
652		* getQueue returns the work queue, which contains queued tasks
653		*/
654		public void testGetQueue() throws InterruptedException {
655	<	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
655	>	final CountDownLatch done = new CountDownLatch(1);
656	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
657		final ThreadPoolExecutor p =
658		new CustomTPE(1, 1,
659		LONG_DELAY_MS, MILLISECONDS,
660		q);
661	<	final CountDownLatch threadStarted = new CountDownLatch(1);
662	<	final CountDownLatch done = new CountDownLatch(1);
663	<	try {
664	<	FutureTask[] tasks = new FutureTask[5];
661	>	try (PoolCleaner cleaner = cleaner(p, done)) {
662	>	final CountDownLatch threadStarted = new CountDownLatch(1);
663	>	FutureTask[] rtasks = new FutureTask[5];
664	>	@SuppressWarnings("unchecked")
665	>	FutureTask<Boolean>[] tasks = (FutureTask<Boolean>[])rtasks;
666		for (int i = 0; i < tasks.length; i++) {
667	<	Callable task = new CheckedCallable<Boolean>() {
667	>	Callable<Boolean> task = new CheckedCallable<Boolean>() {
668		public Boolean realCall() throws InterruptedException {
669		threadStarted.countDown();
670		assertSame(q, p.getQueue());
671	<	done.await();
671	>	await(done);
672		return Boolean.TRUE;
673		}};
674	<	tasks[i] = new FutureTask(task);
674	>	tasks[i] = new FutureTask<Boolean>(task);
675		p.execute(tasks[i]);
676		}
677	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
677	>	await(threadStarted);
678		assertSame(q, p.getQueue());
679		assertFalse(q.contains(tasks[0]));
680		assertTrue(q.contains(tasks[tasks.length - 1]));
681		assertEquals(tasks.length - 1, q.size());
668	–	} finally {
669	–	done.countDown();
670	–	joinPool(p);
682		}
683		}
684
#	Line 675 | Line 686 | public class ThreadPoolExecutorSubclassT
686		* remove(task) removes queued task, and fails to remove active task
687		*/
688		public void testRemove() throws InterruptedException {
689	<	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
689	>	final CountDownLatch done = new CountDownLatch(1);
690	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
691		final ThreadPoolExecutor p =
692		new CustomTPE(1, 1,
693		LONG_DELAY_MS, MILLISECONDS,
694		q);
695	<	Runnable[] tasks = new Runnable[6];
696	<	final CountDownLatch threadStarted = new CountDownLatch(1);
697	<	final CountDownLatch done = new CountDownLatch(1);
686	<	try {
695	>	try (PoolCleaner cleaner = cleaner(p, done)) {
696	>	Runnable[] tasks = new Runnable[6];
697	>	final CountDownLatch threadStarted = new CountDownLatch(1);
698		for (int i = 0; i < tasks.length; i++) {
699		tasks[i] = new CheckedRunnable() {
700	<	public void realRun() throws InterruptedException {
701	<	threadStarted.countDown();
702	<	done.await();
703	<	}};
700	>	public void realRun() throws InterruptedException {
701	>	threadStarted.countDown();
702	>	await(done);
703	>	}};
704		p.execute(tasks[i]);
705		}
706	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
706	>	await(threadStarted);
707		assertFalse(p.remove(tasks[0]));
708		assertTrue(q.contains(tasks[4]));
709		assertTrue(q.contains(tasks[3]));
#	Line 702 | Line 713 | public class ThreadPoolExecutorSubclassT
713		assertTrue(q.contains(tasks[3]));
714		assertTrue(p.remove(tasks[3]));
715		assertFalse(q.contains(tasks[3]));
705	–	} finally {
706	–	done.countDown();
707	–	joinPool(p);
716		}
717		}
718
#	Line 714 | Line 722 | public class ThreadPoolExecutorSubclassT
722		public void testPurge() throws InterruptedException {
723		final CountDownLatch threadStarted = new CountDownLatch(1);
724		final CountDownLatch done = new CountDownLatch(1);
725	<	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
725	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
726		final ThreadPoolExecutor p =
727		new CustomTPE(1, 1,
728		LONG_DELAY_MS, MILLISECONDS,
729		q);
730	<	FutureTask[] tasks = new FutureTask[5];
731	<	try {
730	>	try (PoolCleaner cleaner = cleaner(p, done)) {
731	>	FutureTask[] rtasks = new FutureTask[5];
732	>	@SuppressWarnings("unchecked")
733	>	FutureTask<Boolean>[] tasks = (FutureTask<Boolean>[])rtasks;
734		for (int i = 0; i < tasks.length; i++) {
735	<	Callable task = new CheckedCallable<Boolean>() {
735	>	Callable<Boolean> task = new CheckedCallable<Boolean>() {
736		public Boolean realCall() throws InterruptedException {
737		threadStarted.countDown();
738	<	done.await();
738	>	await(done);
739		return Boolean.TRUE;
740		}};
741	<	tasks[i] = new FutureTask(task);
741	>	tasks[i] = new FutureTask<Boolean>(task);
742		p.execute(tasks[i]);
743		}
744	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
744	>	await(threadStarted);
745		assertEquals(tasks.length, p.getTaskCount());
746		assertEquals(tasks.length - 1, q.size());
747		assertEquals(1L, p.getActiveCount());
#	Line 744 | Line 754 | public class ThreadPoolExecutorSubclassT
754		p.purge();         // Nothing to do
755		assertEquals(tasks.length - 3, q.size());
756		assertEquals(tasks.length - 2, p.getTaskCount());
747	–	} finally {
748	–	done.countDown();
749	–	joinPool(p);
757		}
758		}
759
#	Line 758 | Line 765 | public class ThreadPoolExecutorSubclassT
765		final int poolSize = 2;
766		final int count = 5;
767		final AtomicInteger ran = new AtomicInteger(0);
768	<	ThreadPoolExecutor p =
769	<	new CustomTPE(poolSize, poolSize, LONG_DELAY_MS, MILLISECONDS,
768	>	final ThreadPoolExecutor p =
769	>	new CustomTPE(poolSize, poolSize,
770	>	LONG_DELAY_MS, MILLISECONDS,
771		new ArrayBlockingQueue<Runnable>(10));
772	<	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
772	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
773		Runnable waiter = new CheckedRunnable() { public void realRun() {
774		threadsStarted.countDown();
775		try {
776	<	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
776	>	MILLISECONDS.sleep(LONGER_DELAY_MS);
777		} catch (InterruptedException success) {}
778		ran.getAndIncrement();
779		}};
780		for (int i = 0; i < count; i++)
781		p.execute(waiter);
782	<	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
782	>	await(threadsStarted);
783		assertEquals(poolSize, p.getActiveCount());
784		assertEquals(0, p.getCompletedTaskCount());
785		final List<Runnable> queuedTasks;
#	Line 1127 | Line 1135 | public class ThreadPoolExecutorSubclassT
1135		}
1136
1137		/**
1138	<	* execute throws RejectedExecutionException if saturated.
1138	>	* Submitted tasks are rejected when saturated or shutdown
1139		*/
1140	<	public void testSaturatedExecute() {
1141	<	ThreadPoolExecutor p =
1140	>	public void testSubmittedTasksRejectedWhenSaturatedOrShutdown() throws InterruptedException {
1141	>	final ThreadPoolExecutor p =
1142		new CustomTPE(1, 1,
1143		LONG_DELAY_MS, MILLISECONDS,
1144		new ArrayBlockingQueue<Runnable>(1));
1145	+	final int saturatedSize = saturatedSize(p);
1146	+	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
1147	+	final CountDownLatch threadsStarted = new CountDownLatch(p.getMaximumPoolSize());
1148		final CountDownLatch done = new CountDownLatch(1);
1149	<	try {
1150	<	Runnable task = new CheckedRunnable() {
1151	<	public void realRun() throws InterruptedException {
1149	>	final Runnable r = () -> {
1150	>	threadsStarted.countDown();
1151	>	for (;;) {
1152	>	try {
1153		done.await();
1154	<	}};
1155	<	for (int i = 0; i < 2; ++i)
1156	<	p.execute(task);
1157	<	for (int i = 0; i < 2; ++i) {
1154	>	return;
1155	>	} catch (InterruptedException shutdownNowDeliberatelyIgnored) {}
1156	>	}};
1157	>	final Callable<Boolean> c = () -> {
1158	>	threadsStarted.countDown();
1159	>	for (;;) {
1160		try {
1161	<	p.execute(task);
1162	<	shouldThrow();
1163	<	} catch (RejectedExecutionException success) {}
1164	<	assertTrue(p.getTaskCount() <= 2);
1161	>	done.await();
1162	>	return Boolean.TRUE;
1163	>	} catch (InterruptedException shutdownNowDeliberatelyIgnored) {}
1164	>	}};
1165	>	final boolean shutdownNow = rnd.nextBoolean();
1166	>
1167	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1168	>	// saturate
1169	>	for (int i = saturatedSize; i--> 0; ) {
1170	>	switch (rnd.nextInt(4)) {
1171	>	case 0: p.execute(r); break;
1172	>	case 1: assertFalse(p.submit(r).isDone()); break;
1173	>	case 2: assertFalse(p.submit(r, Boolean.TRUE).isDone()); break;
1174	>	case 3: assertFalse(p.submit(c).isDone()); break;
1175	>	}
1176		}
1152	–	} finally {
1153	–	done.countDown();
1154	–	joinPool(p);
1155	–	}
1156	–	}
1177
1178	<	/**
1179	<	* executor using CallerRunsPolicy runs task if saturated.
1180	<	*/
1181	<	public void testSaturatedExecute2() {
1182	<	RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy();
1183	<	ThreadPoolExecutor p = new CustomTPE(1, 1,
1184	<	LONG_DELAY_MS, MILLISECONDS,
1185	<	new ArrayBlockingQueue<Runnable>(1),
1186	<	h);
1187	<	try {
1188	<	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1189	<	for (int i = 0; i < tasks.length; ++i)
1190	<	tasks[i] = new TrackedNoOpRunnable();
1191	<	TrackedLongRunnable mr = new TrackedLongRunnable();
1192	<	p.execute(mr);
1173	<	for (int i = 0; i < tasks.length; ++i)
1174	<	p.execute(tasks[i]);
1175	<	for (int i = 1; i < tasks.length; ++i)
1176	<	assertTrue(tasks[i].done);
1177	<	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1178	<	} finally {
1179	<	joinPool(p);
1178	>	await(threadsStarted);
1179	>	assertTaskSubmissionsAreRejected(p);
1180	>
1181	>	if (shutdownNow)
1182	>	p.shutdownNow();
1183	>	else
1184	>	p.shutdown();
1185	>	// Pool is shutdown, but not yet terminated
1186	>	assertTaskSubmissionsAreRejected(p);
1187	>	assertFalse(p.isTerminated());
1188	>
1189	>	done.countDown();   // release blocking tasks
1190	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
1191	>
1192	>	assertTaskSubmissionsAreRejected(p);
1193		}
1194	+	assertEquals(saturatedSize(p)
1195	+	- (shutdownNow ? p.getQueue().remainingCapacity() : 0),
1196	+	p.getCompletedTaskCount());
1197		}
1198
1199		/**
1200	<	* executor using DiscardPolicy drops task if saturated.
1200	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1201		*/
1202	<	public void testSaturatedExecute3() {
1203	<	RejectedExecutionHandler h = new CustomTPE.DiscardPolicy();
1204	<	ThreadPoolExecutor p =
1202	>	public void testSaturatedExecute_DiscardOldestPolicy() {
1203	>	final CountDownLatch done = new CountDownLatch(1);
1204	>	LatchAwaiter r1 = awaiter(done);
1205	>	LatchAwaiter r2 = awaiter(done);
1206	>	LatchAwaiter r3 = awaiter(done);
1207	>	final ThreadPoolExecutor p =
1208		new CustomTPE(1, 1,
1209		LONG_DELAY_MS, MILLISECONDS,
1210		new ArrayBlockingQueue<Runnable>(1),
1211	<	h);
1212	<	try {
1213	<	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1214	<	for (int i = 0; i < tasks.length; ++i)
1215	<	tasks[i] = new TrackedNoOpRunnable();
1216	<	p.execute(new TrackedLongRunnable());
1198	<	for (TrackedNoOpRunnable task : tasks)
1199	<	p.execute(task);
1200	<	for (TrackedNoOpRunnable task : tasks)
1201	<	assertFalse(task.done);
1202	<	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1203	<	} finally {
1204	<	joinPool(p);
1205	<	}
1206	<	}
1207	<
1208	<	/**
1209	<	* executor using DiscardOldestPolicy drops oldest task if saturated.
1210	<	*/
1211	<	public void testSaturatedExecute4() {
1212	<	RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy();
1213	<	ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1214	<	try {
1215	<	p.execute(new TrackedLongRunnable());
1216	<	TrackedLongRunnable r2 = new TrackedLongRunnable();
1211	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1212	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1213	>	assertEquals(LatchAwaiter.NEW, r1.state);
1214	>	assertEquals(LatchAwaiter.NEW, r2.state);
1215	>	assertEquals(LatchAwaiter.NEW, r3.state);
1216	>	p.execute(r1);
1217		p.execute(r2);
1218		assertTrue(p.getQueue().contains(r2));
1219	–	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1219		p.execute(r3);
1220		assertFalse(p.getQueue().contains(r2));
1221		assertTrue(p.getQueue().contains(r3));
1223	–	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1224	–	} finally {
1225	–	joinPool(p);
1226	–	}
1227	–	}
1228	–
1229	–	/**
1230	–	* execute throws RejectedExecutionException if shutdown
1231	–	*/
1232	–	public void testRejectedExecutionExceptionOnShutdown() {
1233	–	ThreadPoolExecutor p =
1234	–	new CustomTPE(1,1,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1235	–	try { p.shutdown(); } catch (SecurityException ok) { return; }
1236	–	try {
1237	–	p.execute(new NoOpRunnable());
1238	–	shouldThrow();
1239	–	} catch (RejectedExecutionException success) {}
1240	–
1241	–	joinPool(p);
1242	–	}
1243	–
1244	–	/**
1245	–	* execute using CallerRunsPolicy drops task on shutdown
1246	–	*/
1247	–	public void testCallerRunsOnShutdown() {
1248	–	RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy();
1249	–	ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1250	–
1251	–	try { p.shutdown(); } catch (SecurityException ok) { return; }
1252	–	try {
1253	–	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1254	–	p.execute(r);
1255	–	assertFalse(r.done);
1256	–	} finally {
1257	–	joinPool(p);
1258	–	}
1259	–	}
1260	–
1261	–	/**
1262	–	* execute using DiscardPolicy drops task on shutdown
1263	–	*/
1264	–	public void testDiscardOnShutdown() {
1265	–	RejectedExecutionHandler h = new CustomTPE.DiscardPolicy();
1266	–	ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1267	–
1268	–	try { p.shutdown(); } catch (SecurityException ok) { return; }
1269	–	try {
1270	–	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1271	–	p.execute(r);
1272	–	assertFalse(r.done);
1273	–	} finally {
1274	–	joinPool(p);
1222		}
1223	+	assertEquals(LatchAwaiter.DONE, r1.state);
1224	+	assertEquals(LatchAwaiter.NEW, r2.state);
1225	+	assertEquals(LatchAwaiter.DONE, r3.state);
1226		}
1227
1228		/**
1229		* execute using DiscardOldestPolicy drops task on shutdown
1230		*/
1231		public void testDiscardOldestOnShutdown() {
1232	<	RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy();
1233	<	ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1232	>	final ThreadPoolExecutor p =
1233	>	new CustomTPE(1, 1,
1234	>	LONG_DELAY_MS, MILLISECONDS,
1235	>	new ArrayBlockingQueue<Runnable>(1),
1236	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1237
1238		try { p.shutdown(); } catch (SecurityException ok) { return; }
1239	<	try {
1239	>	try (PoolCleaner cleaner = cleaner(p)) {
1240		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1241		p.execute(r);
1242		assertFalse(r.done);
1290	–	} finally {
1291	–	joinPool(p);
1243		}
1244		}
1245
1246		/**
1247	<	* execute(null) throws NPE
1247	>	* Submitting null tasks throws NullPointerException
1248		*/
1249	<	public void testExecuteNull() {
1250	<	ThreadPoolExecutor p =
1251	<	new CustomTPE(1, 2, 1L, SECONDS,
1249	>	public void testNullTaskSubmission() {
1250	>	final ThreadPoolExecutor p =
1251	>	new CustomTPE(1, 2,
1252	>	1L, SECONDS,
1253		new ArrayBlockingQueue<Runnable>(10));
1254	<	try {
1255	<	p.execute(null);
1256	<	shouldThrow();
1305	<	} catch (NullPointerException success) {}
1306	<
1307	<	joinPool(p);
1254	>	try (PoolCleaner cleaner = cleaner(p)) {
1255	>	assertNullTaskSubmissionThrowsNullPointerException(p);
1256	>	}
1257		}
1258
1259		/**
1260		* setCorePoolSize of negative value throws IllegalArgumentException
1261		*/
1262		public void testCorePoolSizeIllegalArgumentException() {
1263	<	ThreadPoolExecutor p =
1264	<	new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1265	<	try {
1266	<	p.setCorePoolSize(-1);
1267	<	shouldThrow();
1268	<	} catch (IllegalArgumentException success) {
1269	<	} finally {
1270	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
1263	>	final ThreadPoolExecutor p =
1264	>	new CustomTPE(1, 2,
1265	>	LONG_DELAY_MS, MILLISECONDS,
1266	>	new ArrayBlockingQueue<Runnable>(10));
1267	>	try (PoolCleaner cleaner = cleaner(p)) {
1268	>	try {
1269	>	p.setCorePoolSize(-1);
1270	>	shouldThrow();
1271	>	} catch (IllegalArgumentException success) {}
1272		}
1323	–	joinPool(p);
1273		}
1274
1275		/**
#	Line 1328 | Line 1277 | public class ThreadPoolExecutorSubclassT
1277		* if given a value less the core pool size
1278		*/
1279		public void testMaximumPoolSizeIllegalArgumentException() {
1280	<	ThreadPoolExecutor p =
1281	<	new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1282	<	try {
1283	<	p.setMaximumPoolSize(1);
1284	<	shouldThrow();
1285	<	} catch (IllegalArgumentException success) {
1286	<	} finally {
1287	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
1280	>	final ThreadPoolExecutor p =
1281	>	new CustomTPE(2, 3,
1282	>	LONG_DELAY_MS, MILLISECONDS,
1283	>	new ArrayBlockingQueue<Runnable>(10));
1284	>	try (PoolCleaner cleaner = cleaner(p)) {
1285	>	try {
1286	>	p.setMaximumPoolSize(1);
1287	>	shouldThrow();
1288	>	} catch (IllegalArgumentException success) {}
1289		}
1340	–	joinPool(p);
1290		}
1291
1292		/**
#	Line 1345 | Line 1294 | public class ThreadPoolExecutorSubclassT
1294		* if given a negative value
1295		*/
1296		public void testMaximumPoolSizeIllegalArgumentException2() {
1297	<	ThreadPoolExecutor p =
1298	<	new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1299	<	try {
1300	<	p.setMaximumPoolSize(-1);
1301	<	shouldThrow();
1302	<	} catch (IllegalArgumentException success) {
1303	<	} finally {
1304	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
1297	>	final ThreadPoolExecutor p =
1298	>	new CustomTPE(2, 3,
1299	>	LONG_DELAY_MS, MILLISECONDS,
1300	>	new ArrayBlockingQueue<Runnable>(10));
1301	>	try (PoolCleaner cleaner = cleaner(p)) {
1302	>	try {
1303	>	p.setMaximumPoolSize(-1);
1304	>	shouldThrow();
1305	>	} catch (IllegalArgumentException success) {}
1306		}
1357	–	joinPool(p);
1307		}
1308
1309		/**
#	Line 1362 | Line 1311 | public class ThreadPoolExecutorSubclassT
1311		* when given a negative value
1312		*/
1313		public void testKeepAliveTimeIllegalArgumentException() {
1314	<	ThreadPoolExecutor p =
1315	<	new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1316	<
1317	<	try {
1318	<	p.setKeepAliveTime(-1,MILLISECONDS);
1319	<	shouldThrow();
1320	<	} catch (IllegalArgumentException success) {
1321	<	} finally {
1322	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
1314	>	final ThreadPoolExecutor p =
1315	>	new CustomTPE(2, 3,
1316	>	LONG_DELAY_MS, MILLISECONDS,
1317	>	new ArrayBlockingQueue<Runnable>(10));
1318	>	try (PoolCleaner cleaner = cleaner(p)) {
1319	>	try {
1320	>	p.setKeepAliveTime(-1, MILLISECONDS);
1321	>	shouldThrow();
1322	>	} catch (IllegalArgumentException success) {}
1323		}
1375	–	joinPool(p);
1324		}
1325
1326		/**
#	Line 1380 | Line 1328 | public class ThreadPoolExecutorSubclassT
1328		*/
1329		public void testTerminated() {
1330		CustomTPE p = new CustomTPE();
1331	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
1332	<	assertTrue(p.terminatedCalled());
1333	<	joinPool(p);
1331	>	try (PoolCleaner cleaner = cleaner(p)) {
1332	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1333	>	assertTrue(p.terminatedCalled());
1334	>	assertTrue(p.isShutdown());
1335	>	}
1336		}
1337
1338		/**
#	Line 1390 | Line 1340 | public class ThreadPoolExecutorSubclassT
1340		*/
1341		public void testBeforeAfter() throws InterruptedException {
1342		CustomTPE p = new CustomTPE();
1343	<	try {
1343	>	try (PoolCleaner cleaner = cleaner(p)) {
1344		final CountDownLatch done = new CountDownLatch(1);
1345		p.execute(new CheckedRunnable() {
1346		public void realRun() {
#	Line 1400 | Line 1350 | public class ThreadPoolExecutorSubclassT
1350		assertEquals(0, done.getCount());
1351		assertTrue(p.afterCalled());
1352		assertTrue(p.beforeCalled());
1403	–	try { p.shutdown(); } catch (SecurityException ok) { return; }
1404	–	} finally {
1405	–	joinPool(p);
1353		}
1354		}
1355
#	Line 1410 | Line 1357 | public class ThreadPoolExecutorSubclassT
1357		* completed submit of callable returns result
1358		*/
1359		public void testSubmitCallable() throws Exception {
1360	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1361	<	try {
1360	>	final ExecutorService e =
1361	>	new CustomTPE(2, 2,
1362	>	LONG_DELAY_MS, MILLISECONDS,
1363	>	new ArrayBlockingQueue<Runnable>(10));
1364	>	try (PoolCleaner cleaner = cleaner(e)) {
1365		Future<String> future = e.submit(new StringTask());
1366		String result = future.get();
1367		assertSame(TEST_STRING, result);
1418	–	} finally {
1419	–	joinPool(e);
1368		}
1369		}
1370
#	Line 1424 | Line 1372 | public class ThreadPoolExecutorSubclassT
1372		* completed submit of runnable returns successfully
1373		*/
1374		public void testSubmitRunnable() throws Exception {
1375	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1376	<	try {
1375	>	final ExecutorService e =
1376	>	new CustomTPE(2, 2,
1377	>	LONG_DELAY_MS, MILLISECONDS,
1378	>	new ArrayBlockingQueue<Runnable>(10));
1379	>	try (PoolCleaner cleaner = cleaner(e)) {
1380		Future<?> future = e.submit(new NoOpRunnable());
1381		future.get();
1382		assertTrue(future.isDone());
1432	–	} finally {
1433	–	joinPool(e);
1383		}
1384		}
1385
#	Line 1438 | Line 1387 | public class ThreadPoolExecutorSubclassT
1387		* completed submit of (runnable, result) returns result
1388		*/
1389		public void testSubmitRunnable2() throws Exception {
1390	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1391	<	try {
1390	>	final ExecutorService e =
1391	>	new CustomTPE(2, 2,
1392	>	LONG_DELAY_MS, MILLISECONDS,
1393	>	new ArrayBlockingQueue<Runnable>(10));
1394	>	try (PoolCleaner cleaner = cleaner(e)) {
1395		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1396		String result = future.get();
1397		assertSame(TEST_STRING, result);
1446	–	} finally {
1447	–	joinPool(e);
1398		}
1399		}
1400
1401		/**
1402	<	* invokeAny(null) throws NPE
1402	>	* invokeAny(null) throws NullPointerException
1403		*/
1404		public void testInvokeAny1() throws Exception {
1405	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1406	<	try {
1407	<	e.invokeAny(null);
1408	<	shouldThrow();
1409	<	} catch (NullPointerException success) {
1410	<	} finally {
1411	<	joinPool(e);
1405	>	final ExecutorService e =
1406	>	new CustomTPE(2, 2,
1407	>	LONG_DELAY_MS, MILLISECONDS,
1408	>	new ArrayBlockingQueue<Runnable>(10));
1409	>	try (PoolCleaner cleaner = cleaner(e)) {
1410	>	try {
1411	>	e.invokeAny(null);
1412	>	shouldThrow();
1413	>	} catch (NullPointerException success) {}
1414		}
1415		}
1416
1417		/**
1418	<	* invokeAny(empty collection) throws IAE
1418	>	* invokeAny(empty collection) throws IllegalArgumentException
1419		*/
1420		public void testInvokeAny2() throws Exception {
1421	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1422	<	try {
1423	<	e.invokeAny(new ArrayList<Callable<String>>());
1424	<	shouldThrow();
1425	<	} catch (IllegalArgumentException success) {
1426	<	} finally {
1427	<	joinPool(e);
1421	>	final ExecutorService e =
1422	>	new CustomTPE(2, 2,
1423	>	LONG_DELAY_MS, MILLISECONDS,
1424	>	new ArrayBlockingQueue<Runnable>(10));
1425	>	try (PoolCleaner cleaner = cleaner(e)) {
1426	>	try {
1427	>	e.invokeAny(new ArrayList<Callable<String>>());
1428	>	shouldThrow();
1429	>	} catch (IllegalArgumentException success) {}
1430		}
1431		}
1432
#	Line 1481 | Line 1435 | public class ThreadPoolExecutorSubclassT
1435		*/
1436		public void testInvokeAny3() throws Exception {
1437		CountDownLatch latch = new CountDownLatch(1);
1438	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1439	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1440	<	l.add(latchAwaitingStringTask(latch));
1441	<	l.add(null);
1442	<	try {
1443	<	e.invokeAny(l);
1444	<	shouldThrow();
1445	<	} catch (NullPointerException success) {
1446	<	} finally {
1438	>	final ExecutorService e =
1439	>	new CustomTPE(2, 2,
1440	>	LONG_DELAY_MS, MILLISECONDS,
1441	>	new ArrayBlockingQueue<Runnable>(10));
1442	>	try (PoolCleaner cleaner = cleaner(e)) {
1443	>	List<Callable<String>> l = new ArrayList<>();
1444	>	l.add(latchAwaitingStringTask(latch));
1445	>	l.add(null);
1446	>	try {
1447	>	e.invokeAny(l);
1448	>	shouldThrow();
1449	>	} catch (NullPointerException success) {}
1450		latch.countDown();
1494	–	joinPool(e);
1451		}
1452		}
1453
#	Line 1499 | Line 1455 | public class ThreadPoolExecutorSubclassT
1455		* invokeAny(c) throws ExecutionException if no task completes
1456		*/
1457		public void testInvokeAny4() throws Exception {
1458	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1459	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1460	<	l.add(new NPETask());
1461	<	try {
1462	<	e.invokeAny(l);
1463	<	shouldThrow();
1464	<	} catch (ExecutionException success) {
1465	<	assertTrue(success.getCause() instanceof NullPointerException);
1466	<	} finally {
1467	<	joinPool(e);
1458	>	final ExecutorService e =
1459	>	new CustomTPE(2, 2,
1460	>	LONG_DELAY_MS, MILLISECONDS,
1461	>	new ArrayBlockingQueue<Runnable>(10));
1462	>	try (PoolCleaner cleaner = cleaner(e)) {
1463	>	List<Callable<String>> l = new ArrayList<>();
1464	>	l.add(new NPETask());
1465	>	try {
1466	>	e.invokeAny(l);
1467	>	shouldThrow();
1468	>	} catch (ExecutionException success) {
1469	>	assertTrue(success.getCause() instanceof NullPointerException);
1470	>	}
1471		}
1472		}
1473
#	Line 1516 | Line 1475 | public class ThreadPoolExecutorSubclassT
1475		* invokeAny(c) returns result of some task
1476		*/
1477		public void testInvokeAny5() throws Exception {
1478	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1479	<	try {
1480	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1478	>	final ExecutorService e =
1479	>	new CustomTPE(2, 2,
1480	>	LONG_DELAY_MS, MILLISECONDS,
1481	>	new ArrayBlockingQueue<Runnable>(10));
1482	>	try (PoolCleaner cleaner = cleaner(e)) {
1483	>	List<Callable<String>> l = new ArrayList<>();
1484		l.add(new StringTask());
1485		l.add(new StringTask());
1486		String result = e.invokeAny(l);
1487		assertSame(TEST_STRING, result);
1526	–	} finally {
1527	–	joinPool(e);
1488		}
1489		}
1490
#	Line 1532 | Line 1492 | public class ThreadPoolExecutorSubclassT
1492		* invokeAll(null) throws NPE
1493		*/
1494		public void testInvokeAll1() throws Exception {
1495	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1496	<	try {
1497	<	e.invokeAll(null);
1498	<	shouldThrow();
1499	<	} catch (NullPointerException success) {
1500	<	} finally {
1501	<	joinPool(e);
1495	>	final ExecutorService e =
1496	>	new CustomTPE(2, 2,
1497	>	LONG_DELAY_MS, MILLISECONDS,
1498	>	new ArrayBlockingQueue<Runnable>(10));
1499	>	try (PoolCleaner cleaner = cleaner(e)) {
1500	>	try {
1501	>	e.invokeAll(null);
1502	>	shouldThrow();
1503	>	} catch (NullPointerException success) {}
1504		}
1505		}
1506
1507		/**
1508	<	* invokeAll(empty collection) returns empty collection
1508	>	* invokeAll(empty collection) returns empty list
1509		*/
1510		public void testInvokeAll2() throws Exception {
1511	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1512	<	try {
1513	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1511	>	final ExecutorService e =
1512	>	new CustomTPE(2, 2,
1513	>	LONG_DELAY_MS, MILLISECONDS,
1514	>	new ArrayBlockingQueue<Runnable>(10));
1515	>	final Collection<Callable<String>> emptyCollection
1516	>	= Collections.emptyList();
1517	>	try (PoolCleaner cleaner = cleaner(e)) {
1518	>	List<Future<String>> r = e.invokeAll(emptyCollection);
1519		assertTrue(r.isEmpty());
1553	–	} finally {
1554	–	joinPool(e);
1520		}
1521		}
1522
#	Line 1559 | Line 1524 | public class ThreadPoolExecutorSubclassT
1524		* invokeAll(c) throws NPE if c has null elements
1525		*/
1526		public void testInvokeAll3() throws Exception {
1527	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1528	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1529	<	l.add(new StringTask());
1530	<	l.add(null);
1531	<	try {
1532	<	e.invokeAll(l);
1533	<	shouldThrow();
1534	<	} catch (NullPointerException success) {
1535	<	} finally {
1536	<	joinPool(e);
1527	>	final ExecutorService e =
1528	>	new CustomTPE(2, 2,
1529	>	LONG_DELAY_MS, MILLISECONDS,
1530	>	new ArrayBlockingQueue<Runnable>(10));
1531	>	try (PoolCleaner cleaner = cleaner(e)) {
1532	>	List<Callable<String>> l = new ArrayList<>();
1533	>	l.add(new StringTask());
1534	>	l.add(null);
1535	>	try {
1536	>	e.invokeAll(l);
1537	>	shouldThrow();
1538	>	} catch (NullPointerException success) {}
1539		}
1540		}
1541
#	Line 1576 | Line 1543 | public class ThreadPoolExecutorSubclassT
1543		* get of element of invokeAll(c) throws exception on failed task
1544		*/
1545		public void testInvokeAll4() throws Exception {
1546	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1547	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1548	<	l.add(new NPETask());
1549	<	List<Future<String>> futures = e.invokeAll(l);
1550	<	assertEquals(1, futures.size());
1551	<	try {
1552	<	futures.get(0).get();
1553	<	shouldThrow();
1554	<	} catch (ExecutionException success) {
1555	<	assertTrue(success.getCause() instanceof NullPointerException);
1556	<	} finally {
1557	<	joinPool(e);
1546	>	final ExecutorService e =
1547	>	new CustomTPE(2, 2,
1548	>	LONG_DELAY_MS, MILLISECONDS,
1549	>	new ArrayBlockingQueue<Runnable>(10));
1550	>	try (PoolCleaner cleaner = cleaner(e)) {
1551	>	List<Callable<String>> l = new ArrayList<>();
1552	>	l.add(new NPETask());
1553	>	List<Future<String>> futures = e.invokeAll(l);
1554	>	assertEquals(1, futures.size());
1555	>	try {
1556	>	futures.get(0).get();
1557	>	shouldThrow();
1558	>	} catch (ExecutionException success) {
1559	>	assertTrue(success.getCause() instanceof NullPointerException);
1560	>	}
1561		}
1562		}
1563
#	Line 1595 | Line 1565 | public class ThreadPoolExecutorSubclassT
1565		* invokeAll(c) returns results of all completed tasks
1566		*/
1567		public void testInvokeAll5() throws Exception {
1568	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1569	<	try {
1570	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1568	>	final ExecutorService e =
1569	>	new CustomTPE(2, 2,
1570	>	LONG_DELAY_MS, MILLISECONDS,
1571	>	new ArrayBlockingQueue<Runnable>(10));
1572	>	try (PoolCleaner cleaner = cleaner(e)) {
1573	>	List<Callable<String>> l = new ArrayList<>();
1574		l.add(new StringTask());
1575		l.add(new StringTask());
1576		List<Future<String>> futures = e.invokeAll(l);
1577		assertEquals(2, futures.size());
1578		for (Future<String> future : futures)
1579		assertSame(TEST_STRING, future.get());
1607	–	} finally {
1608	–	joinPool(e);
1580		}
1581		}
1582
#	Line 1613 | Line 1584 | public class ThreadPoolExecutorSubclassT
1584		* timed invokeAny(null) throws NPE
1585		*/
1586		public void testTimedInvokeAny1() throws Exception {
1587	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1588	<	try {
1589	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1590	<	shouldThrow();
1591	<	} catch (NullPointerException success) {
1592	<	} finally {
1593	<	joinPool(e);
1587	>	final ExecutorService e =
1588	>	new CustomTPE(2, 2,
1589	>	LONG_DELAY_MS, MILLISECONDS,
1590	>	new ArrayBlockingQueue<Runnable>(10));
1591	>	try (PoolCleaner cleaner = cleaner(e)) {
1592	>	try {
1593	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
1594	>	shouldThrow();
1595	>	} catch (NullPointerException success) {}
1596		}
1597		}
1598
#	Line 1627 | Line 1600 | public class ThreadPoolExecutorSubclassT
1600		* timed invokeAny(,,null) throws NPE
1601		*/
1602		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1603	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1604	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1605	<	l.add(new StringTask());
1606	<	try {
1607	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1608	<	shouldThrow();
1609	<	} catch (NullPointerException success) {
1610	<	} finally {
1611	<	joinPool(e);
1603	>	final ExecutorService e =
1604	>	new CustomTPE(2, 2,
1605	>	LONG_DELAY_MS, MILLISECONDS,
1606	>	new ArrayBlockingQueue<Runnable>(10));
1607	>	try (PoolCleaner cleaner = cleaner(e)) {
1608	>	List<Callable<String>> l = new ArrayList<>();
1609	>	l.add(new StringTask());
1610	>	try {
1611	>	e.invokeAny(l, randomTimeout(), null);
1612	>	shouldThrow();
1613	>	} catch (NullPointerException success) {}
1614		}
1615		}
1616
1617		/**
1618	<	* timed invokeAny(empty collection) throws IAE
1618	>	* timed invokeAny(empty collection) throws IllegalArgumentException
1619		*/
1620		public void testTimedInvokeAny2() throws Exception {
1621	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1622	<	try {
1623	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1624	<	shouldThrow();
1625	<	} catch (IllegalArgumentException success) {
1626	<	} finally {
1627	<	joinPool(e);
1621	>	final ExecutorService e =
1622	>	new CustomTPE(2, 2,
1623	>	LONG_DELAY_MS, MILLISECONDS,
1624	>	new ArrayBlockingQueue<Runnable>(10));
1625	>	final Collection<Callable<String>> emptyCollection
1626	>	= Collections.emptyList();
1627	>	try (PoolCleaner cleaner = cleaner(e)) {
1628	>	try {
1629	>	e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit());
1630	>	shouldThrow();
1631	>	} catch (IllegalArgumentException success) {}
1632		}
1633		}
1634
#	Line 1658 | Line 1637 | public class ThreadPoolExecutorSubclassT
1637		*/
1638		public void testTimedInvokeAny3() throws Exception {
1639		CountDownLatch latch = new CountDownLatch(1);
1640	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1641	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1642	<	l.add(latchAwaitingStringTask(latch));
1643	<	l.add(null);
1644	<	try {
1645	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1646	<	shouldThrow();
1647	<	} catch (NullPointerException success) {
1648	<	} finally {
1640	>	final ExecutorService e =
1641	>	new CustomTPE(2, 2,
1642	>	LONG_DELAY_MS, MILLISECONDS,
1643	>	new ArrayBlockingQueue<Runnable>(10));
1644	>	try (PoolCleaner cleaner = cleaner(e)) {
1645	>	List<Callable<String>> l = new ArrayList<>();
1646	>	l.add(latchAwaitingStringTask(latch));
1647	>	l.add(null);
1648	>	try {
1649	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
1650	>	shouldThrow();
1651	>	} catch (NullPointerException success) {}
1652		latch.countDown();
1671	–	joinPool(e);
1653		}
1654		}
1655
#	Line 1676 | Line 1657 | public class ThreadPoolExecutorSubclassT
1657		* timed invokeAny(c) throws ExecutionException if no task completes
1658		*/
1659		public void testTimedInvokeAny4() throws Exception {
1660	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1661	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1662	<	l.add(new NPETask());
1663	<	try {
1664	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1665	<	shouldThrow();
1666	<	} catch (ExecutionException success) {
1667	<	assertTrue(success.getCause() instanceof NullPointerException);
1668	<	} finally {
1669	<	joinPool(e);
1660	>	final ExecutorService e =
1661	>	new CustomTPE(2, 2,
1662	>	LONG_DELAY_MS, MILLISECONDS,
1663	>	new ArrayBlockingQueue<Runnable>(10));
1664	>	try (PoolCleaner cleaner = cleaner(e)) {
1665	>	long startTime = System.nanoTime();
1666	>	List<Callable<String>> l = new ArrayList<>();
1667	>	l.add(new NPETask());
1668	>	try {
1669	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1670	>	shouldThrow();
1671	>	} catch (ExecutionException success) {
1672	>	assertTrue(success.getCause() instanceof NullPointerException);
1673	>	}
1674	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1675		}
1676		}
1677
#	Line 1693 | Line 1679 | public class ThreadPoolExecutorSubclassT
1679		* timed invokeAny(c) returns result of some task
1680		*/
1681		public void testTimedInvokeAny5() throws Exception {
1682	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1683	<	try {
1684	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1682	>	final ExecutorService e =
1683	>	new CustomTPE(2, 2,
1684	>	LONG_DELAY_MS, MILLISECONDS,
1685	>	new ArrayBlockingQueue<Runnable>(10));
1686	>	try (PoolCleaner cleaner = cleaner(e)) {
1687	>	long startTime = System.nanoTime();
1688	>	List<Callable<String>> l = new ArrayList<>();
1689		l.add(new StringTask());
1690		l.add(new StringTask());
1691	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1691	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1692		assertSame(TEST_STRING, result);
1693	<	} finally {
1704	<	joinPool(e);
1693	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1694		}
1695		}
1696
#	Line 1709 | Line 1698 | public class ThreadPoolExecutorSubclassT
1698		* timed invokeAll(null) throws NPE
1699		*/
1700		public void testTimedInvokeAll1() throws Exception {
1701	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1702	<	try {
1703	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1704	<	shouldThrow();
1705	<	} catch (NullPointerException success) {
1706	<	} finally {
1707	<	joinPool(e);
1701	>	final ExecutorService e =
1702	>	new CustomTPE(2, 2,
1703	>	LONG_DELAY_MS, MILLISECONDS,
1704	>	new ArrayBlockingQueue<Runnable>(10));
1705	>	try (PoolCleaner cleaner = cleaner(e)) {
1706	>	try {
1707	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
1708	>	shouldThrow();
1709	>	} catch (NullPointerException success) {}
1710		}
1711		}
1712
#	Line 1723 | Line 1714 | public class ThreadPoolExecutorSubclassT
1714		* timed invokeAll(,,null) throws NPE
1715		*/
1716		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1717	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1718	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1719	<	l.add(new StringTask());
1720	<	try {
1721	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1722	<	shouldThrow();
1723	<	} catch (NullPointerException success) {
1724	<	} finally {
1725	<	joinPool(e);
1717	>	final ExecutorService e =
1718	>	new CustomTPE(2, 2,
1719	>	LONG_DELAY_MS, MILLISECONDS,
1720	>	new ArrayBlockingQueue<Runnable>(10));
1721	>	try (PoolCleaner cleaner = cleaner(e)) {
1722	>	List<Callable<String>> l = new ArrayList<>();
1723	>	l.add(new StringTask());
1724	>	try {
1725	>	e.invokeAll(l, randomTimeout(), null);
1726	>	shouldThrow();
1727	>	} catch (NullPointerException success) {}
1728		}
1729		}
1730
1731		/**
1732	<	* timed invokeAll(empty collection) returns empty collection
1732	>	* timed invokeAll(empty collection) returns empty list
1733		*/
1734		public void testTimedInvokeAll2() throws Exception {
1735	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1736	<	try {
1737	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1735	>	final ExecutorService e =
1736	>	new CustomTPE(2, 2,
1737	>	LONG_DELAY_MS, MILLISECONDS,
1738	>	new ArrayBlockingQueue<Runnable>(10));
1739	>	final Collection<Callable<String>> emptyCollection
1740	>	= Collections.emptyList();
1741	>	try (PoolCleaner cleaner = cleaner(e)) {
1742	>	List<Future<String>> r =
1743	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
1744		assertTrue(r.isEmpty());
1746	–	} finally {
1747	–	joinPool(e);
1745		}
1746		}
1747
#	Line 1752 | Line 1749 | public class ThreadPoolExecutorSubclassT
1749		* timed invokeAll(c) throws NPE if c has null elements
1750		*/
1751		public void testTimedInvokeAll3() throws Exception {
1752	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1753	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1754	<	l.add(new StringTask());
1755	<	l.add(null);
1756	<	try {
1757	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1758	<	shouldThrow();
1759	<	} catch (NullPointerException success) {
1760	<	} finally {
1761	<	joinPool(e);
1752	>	final ExecutorService e =
1753	>	new CustomTPE(2, 2,
1754	>	LONG_DELAY_MS, MILLISECONDS,
1755	>	new ArrayBlockingQueue<Runnable>(10));
1756	>	try (PoolCleaner cleaner = cleaner(e)) {
1757	>	List<Callable<String>> l = new ArrayList<>();
1758	>	l.add(new StringTask());
1759	>	l.add(null);
1760	>	try {
1761	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
1762	>	shouldThrow();
1763	>	} catch (NullPointerException success) {}
1764		}
1765		}
1766
#	Line 1769 | Line 1768 | public class ThreadPoolExecutorSubclassT
1768		* get of element of invokeAll(c) throws exception on failed task
1769		*/
1770		public void testTimedInvokeAll4() throws Exception {
1771	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1772	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1773	<	l.add(new NPETask());
1774	<	List<Future<String>> futures =
1775	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1776	<	assertEquals(1, futures.size());
1777	<	try {
1778	<	futures.get(0).get();
1779	<	shouldThrow();
1780	<	} catch (ExecutionException success) {
1781	<	assertTrue(success.getCause() instanceof NullPointerException);
1782	<	} finally {
1783	<	joinPool(e);
1771	>	final ExecutorService e =
1772	>	new CustomTPE(2, 2,
1773	>	LONG_DELAY_MS, MILLISECONDS,
1774	>	new ArrayBlockingQueue<Runnable>(10));
1775	>	try (PoolCleaner cleaner = cleaner(e)) {
1776	>	List<Callable<String>> l = new ArrayList<>();
1777	>	l.add(new NPETask());
1778	>	List<Future<String>> futures =
1779	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1780	>	assertEquals(1, futures.size());
1781	>	try {
1782	>	futures.get(0).get();
1783	>	shouldThrow();
1784	>	} catch (ExecutionException success) {
1785	>	assertTrue(success.getCause() instanceof NullPointerException);
1786	>	}
1787		}
1788		}
1789
#	Line 1789 | Line 1791 | public class ThreadPoolExecutorSubclassT
1791		* timed invokeAll(c) returns results of all completed tasks
1792		*/
1793		public void testTimedInvokeAll5() throws Exception {
1794	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1795	<	try {
1796	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1794	>	final ExecutorService e =
1795	>	new CustomTPE(2, 2,
1796	>	LONG_DELAY_MS, MILLISECONDS,
1797	>	new ArrayBlockingQueue<Runnable>(10));
1798	>	try (PoolCleaner cleaner = cleaner(e)) {
1799	>	List<Callable<String>> l = new ArrayList<>();
1800		l.add(new StringTask());
1801		l.add(new StringTask());
1802		List<Future<String>> futures =
#	Line 1799 | Line 1804 | public class ThreadPoolExecutorSubclassT
1804		assertEquals(2, futures.size());
1805		for (Future<String> future : futures)
1806		assertSame(TEST_STRING, future.get());
1802	–	} finally {
1803	–	joinPool(e);
1807		}
1808		}
1809
#	Line 1808 | Line 1811 | public class ThreadPoolExecutorSubclassT
1811		* timed invokeAll(c) cancels tasks not completed by timeout
1812		*/
1813		public void testTimedInvokeAll6() throws Exception {
1814	<	ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1815	<	try {
1816	<	for (long timeout = timeoutMillis();;) {
1814	>	for (long timeout = timeoutMillis();;) {
1815	>	final CountDownLatch done = new CountDownLatch(1);
1816	>	final Callable<String> waiter = new CheckedCallable<String>() {
1817	>	public String realCall() {
1818	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1819	>	catch (InterruptedException ok) {}
1820	>	return "1"; }};
1821	>	final ExecutorService p =
1822	>	new CustomTPE(2, 2,
1823	>	LONG_DELAY_MS, MILLISECONDS,
1824	>	new ArrayBlockingQueue<Runnable>(10));
1825	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1826		List<Callable<String>> tasks = new ArrayList<>();
1827		tasks.add(new StringTask("0"));
1828	<	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1828	>	tasks.add(waiter);
1829		tasks.add(new StringTask("2"));
1830		long startTime = System.nanoTime();
1831		List<Future<String>> futures =
1832	<	e.invokeAll(tasks, timeout, MILLISECONDS);
1832	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1833		assertEquals(tasks.size(), futures.size());
1834		assertTrue(millisElapsedSince(startTime) >= timeout);
1835	<	for (Future future : futures)
1835	>	for (Future<?> future : futures)
1836		assertTrue(future.isDone());
1837		assertTrue(futures.get(1).isCancelled());
1838		try {
#	Line 1833 | Line 1845 | public class ThreadPoolExecutorSubclassT
1845		fail("expected exactly one task to be cancelled");
1846		}
1847		}
1836	–	} finally {
1837	–	joinPool(e);
1848		}
1849		}
1850
#	Line 1848 | Line 1858 | public class ThreadPoolExecutorSubclassT
1858		LONG_DELAY_MS, MILLISECONDS,
1859		new LinkedBlockingQueue<Runnable>(),
1860		new FailingThreadFactory());
1861	<	try {
1861	>	try (PoolCleaner cleaner = cleaner(e)) {
1862		final int TASKS = 100;
1863		final CountDownLatch done = new CountDownLatch(TASKS);
1864		for (int k = 0; k < TASKS; ++k)
#	Line 1856 | Line 1866 | public class ThreadPoolExecutorSubclassT
1866		public void realRun() {
1867		done.countDown();
1868		}});
1869	<	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1860	<	} finally {
1861	<	joinPool(e);
1869	>	await(done);
1870		}
1871		}
1872
#	Line 1866 | Line 1874 | public class ThreadPoolExecutorSubclassT
1874		* allowsCoreThreadTimeOut is by default false.
1875		*/
1876		public void testAllowsCoreThreadTimeOut() {
1877	<	ThreadPoolExecutor p = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1878	<	assertFalse(p.allowsCoreThreadTimeOut());
1879	<	joinPool(p);
1877	>	final ThreadPoolExecutor p =
1878	>	new CustomTPE(2, 2,
1879	>	1000, MILLISECONDS,
1880	>	new ArrayBlockingQueue<Runnable>(10));
1881	>	try (PoolCleaner cleaner = cleaner(p)) {
1882	>	assertFalse(p.allowsCoreThreadTimeOut());
1883	>	}
1884		}
1885
1886		/**
#	Line 1880 | Line 1892 | public class ThreadPoolExecutorSubclassT
1892		new CustomTPE(2, 10,
1893		keepAliveTime, MILLISECONDS,
1894		new ArrayBlockingQueue<Runnable>(10));
1895	<	final CountDownLatch threadStarted = new CountDownLatch(1);
1896	<	try {
1895	>	try (PoolCleaner cleaner = cleaner(p)) {
1896	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1897		p.allowCoreThreadTimeOut(true);
1898		p.execute(new CheckedRunnable() {
1899		public void realRun() {
#	Line 1896 | Line 1908 | public class ThreadPoolExecutorSubclassT
1908		Thread.yield();
1909		assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1910		assertEquals(0, p.getPoolSize());
1899	–	} finally {
1900	–	joinPool(p);
1911		}
1912		}
1913
#	Line 1910 | Line 1920 | public class ThreadPoolExecutorSubclassT
1920		new CustomTPE(2, 10,
1921		keepAliveTime, MILLISECONDS,
1922		new ArrayBlockingQueue<Runnable>(10));
1923	<	final CountDownLatch threadStarted = new CountDownLatch(1);
1924	<	try {
1923	>	try (PoolCleaner cleaner = cleaner(p)) {
1924	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1925		p.allowCoreThreadTimeOut(false);
1926		p.execute(new CheckedRunnable() {
1927		public void realRun() throws InterruptedException {
#	Line 1920 | Line 1930 | public class ThreadPoolExecutorSubclassT
1930		}});
1931		delay(2 * keepAliveTime);
1932		assertTrue(p.getPoolSize() >= 1);
1923	–	} finally {
1924	–	joinPool(p);
1933		}
1934		}
1935
#	Line 1930 | Line 1938 | public class ThreadPoolExecutorSubclassT
1938		* (in part, a test of CustomTPE itself)
1939		*/
1940		public void testGet_cancelled() throws Exception {
1941	+	final CountDownLatch done = new CountDownLatch(1);
1942		final ExecutorService e =
1943		new CustomTPE(1, 1,
1944		LONG_DELAY_MS, MILLISECONDS,
1945		new LinkedBlockingQueue<Runnable>());
1946	<	try {
1946	>	try (PoolCleaner cleaner = cleaner(e, done)) {
1947		final CountDownLatch blockerStarted = new CountDownLatch(1);
1939	–	final CountDownLatch done = new CountDownLatch(1);
1948		final List<Future<?>> futures = new ArrayList<>();
1949		for (int i = 0; i < 2; i++) {
1950		Runnable r = new CheckedRunnable() { public void realRun()
#	Line 1946 | Line 1954 | public class ThreadPoolExecutorSubclassT
1954		}};
1955		futures.add(e.submit(r));
1956		}
1957	<	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
1957	>	await(blockerStarted);
1958		for (Future<?> future : futures) future.cancel(false);
1959		for (Future<?> future : futures) {
1960		try {
#	Line 1960 | Line 1968 | public class ThreadPoolExecutorSubclassT
1968		assertTrue(future.isCancelled());
1969		assertTrue(future.isDone());
1970		}
1963	–	done.countDown();
1964	–	} finally {
1965	–	joinPool(e);
1971		}
1972		}
1973	+	@SuppressWarnings("deprecation")
1974	+	public void testFinalizeMethodCallsSuperFinalize() {
1975	+	new CustomTPE(1, 1,
1976	+	LONG_DELAY_MS, MILLISECONDS,
1977	+	new LinkedBlockingQueue<Runnable>()) {
1978	+
1979	+	/**
1980	+	* A finalize method without "throws Throwable", that
1981	+	* calls super.finalize().
1982	+	*/
1983	+	protected void finalize() {
1984	+	super.finalize();
1985	+	}
1986	+	}.shutdown();
1987	+	}
1988
1989		}

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