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

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.31 by jsr166, Sat May 28 22:33:35 2011 UTC vs.
Revision 1.47 by jsr166, Sun Jul 16 18:05:47 2017 UTC

#	Line 6 | Line 6
6		* Pat Fisher, Mike Judd.
7		*/
8
9	–	import junit.framework.*;
10	–	import java.util.*;
11	–	import java.util.concurrent.*;
9		import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	<	import java.math.BigInteger;
11	<	import java.security.*;
10	>
11	>	import java.security.PrivilegedAction;
12	>	import java.security.PrivilegedExceptionAction;
13	>	import java.util.ArrayList;
14	>	import java.util.Collection;
15	>	import java.util.Collections;
16	>	import java.util.List;
17	>	import java.util.concurrent.AbstractExecutorService;
18	>	import java.util.concurrent.ArrayBlockingQueue;
19	>	import java.util.concurrent.Callable;
20	>	import java.util.concurrent.CancellationException;
21	>	import java.util.concurrent.CountDownLatch;
22	>	import java.util.concurrent.ExecutionException;
23	>	import java.util.concurrent.Executors;
24	>	import java.util.concurrent.ExecutorService;
25	>	import java.util.concurrent.Future;
26	>	import java.util.concurrent.ThreadPoolExecutor;
27	>	import java.util.concurrent.TimeUnit;
28	>	import java.util.concurrent.atomic.AtomicBoolean;
29	>
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32
33		public class AbstractExecutorServiceTest extends JSR166TestCase {
34		public static void main(String[] args) {
35	<	junit.textui.TestRunner.run(suite());
35	>	main(suite(), args);
36		}
37		public static Test suite() {
38		return new TestSuite(AbstractExecutorServiceTest.class);
#	Line 45 | Line 62 | public class AbstractExecutorServiceTest
62		*/
63		public void testExecuteRunnable() throws Exception {
64		ExecutorService e = new DirectExecutorService();
65	<	TrackedShortRunnable task = new TrackedShortRunnable();
66	<	assertFalse(task.done);
67	<	Future<?> future = e.submit(task);
68	<	future.get();
69	<	assertTrue(task.done);
65	>	final AtomicBoolean done = new AtomicBoolean(false);
66	>	Future<?> future = e.submit(new CheckedRunnable() {
67	>	public void realRun() {
68	>	done.set(true);
69	>	}});
70	>	assertNull(future.get());
71	>	assertNull(future.get(0, MILLISECONDS));
72	>	assertTrue(done.get());
73	>	assertTrue(future.isDone());
74	>	assertFalse(future.isCancelled());
75		}
76
77		/**
#	Line 144 | Line 166 | public class AbstractExecutorServiceTest
166		}
167
168		/**
169	<	* execute(null runnable) throws NPE
148	<	*/
149	<	public void testExecuteNullRunnable() {
150	<	try {
151	<	ExecutorService e = new DirectExecutorService();
152	<	e.submit((Runnable) null);
153	<	shouldThrow();
154	<	} catch (NullPointerException success) {}
155	<	}
156	<
157	<	/**
158	<	* submit(null callable) throws NPE
169	>	* Submitting null tasks throws NullPointerException.
170		*/
171	<	public void testSubmitNullCallable() {
172	<	try {
173	<	ExecutorService e = new DirectExecutorService();
174	<	e.submit((Callable) null);
175	<	shouldThrow();
176	<	} catch (NullPointerException success) {}
171	>	@SuppressWarnings("FutureReturnValueIgnored")
172	>	public void testNullTaskSubmission() throws Exception {
173	>	final ExecutorService e = new DirectExecutorService();
174	>	try (PoolCleaner cleaner = cleaner(e)) {
175	>	try {
176	>	e.execute((Runnable) null);
177	>	shouldThrow();
178	>	} catch (NullPointerException success) {}
179	>	try {
180	>	e.submit((Runnable) null);
181	>	shouldThrow();
182	>	} catch (NullPointerException success) {}
183	>	try {
184	>	e.submit((Callable) null);
185	>	shouldThrow();
186	>	} catch (NullPointerException success) {}
187	>	}
188		}
189
190		/**
#	Line 171 | Line 193 | public class AbstractExecutorServiceTest
193		public void testInterruptedSubmit() throws InterruptedException {
194		final CountDownLatch submitted    = new CountDownLatch(1);
195		final CountDownLatch quittingTime = new CountDownLatch(1);
174	–	final ExecutorService p
175	–	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
176	–	new ArrayBlockingQueue<Runnable>(10));
196		final Callable<Void> awaiter = new CheckedCallable<Void>() {
197		public Void realCall() throws InterruptedException {
198	<	quittingTime.await();
198	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
199		return null;
200		}};
201	<	try {
202	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
201	>	final ExecutorService p
202	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
203	>	new ArrayBlockingQueue<Runnable>(10));
204	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
205	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
206		public void realRun() throws Exception {
207		Future<Void> future = p.submit(awaiter);
208		submitted.countDown();
209		future.get();
210		}});
211	<	t.start();
212	<	submitted.await();
211	>
212	>	await(submitted);
213		t.interrupt();
214	<	t.join();
193	<	} finally {
194	<	quittingTime.countDown();
195	<	joinPool(p);
214	>	awaitTermination(t);
215		}
216		}
217
#	Line 201 | Line 220 | public class AbstractExecutorServiceTest
220		* throws exception
221		*/
222		public void testSubmitEE() throws InterruptedException {
223	<	ThreadPoolExecutor p =
223	>	final ThreadPoolExecutor p =
224		new ThreadPoolExecutor(1, 1,
225		60, TimeUnit.SECONDS,
226		new ArrayBlockingQueue<Runnable>(10));
227	<
228	<	Callable c = new Callable() {
229	<	public Object call() { return 5/0; }};
230	<
231	<	try {
232	<	p.submit(c).get();
233	<	shouldThrow();
234	<	} catch (ExecutionException success) {
235	<	assertTrue(success.getCause() instanceof ArithmeticException);
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	Callable c = new Callable() {
229	>	public Object call() { throw new ArithmeticException(); }};
230	>	try {
231	>	p.submit(c).get();
232	>	shouldThrow();
233	>	} catch (ExecutionException success) {
234	>	assertTrue(success.getCause() instanceof ArithmeticException);
235	>	}
236		}
218	–	joinPool(p);
237		}
238
239		/**
240		* invokeAny(null) throws NPE
241		*/
242		public void testInvokeAny1() throws Exception {
243	<	ExecutorService e = new DirectExecutorService();
244	<	try {
245	<	e.invokeAny(null);
246	<	shouldThrow();
247	<	} catch (NullPointerException success) {
248	<	} finally {
231	<	joinPool(e);
243	>	final ExecutorService e = new DirectExecutorService();
244	>	try (PoolCleaner cleaner = cleaner(e)) {
245	>	try {
246	>	e.invokeAny(null);
247	>	shouldThrow();
248	>	} catch (NullPointerException success) {}
249		}
250		}
251
252		/**
253	<	* invokeAny(empty collection) throws IAE
253	>	* invokeAny(empty collection) throws IllegalArgumentException
254		*/
255		public void testInvokeAny2() throws Exception {
256	<	ExecutorService e = new DirectExecutorService();
257	<	try {
258	<	e.invokeAny(new ArrayList<Callable<String>>());
259	<	shouldThrow();
260	<	} catch (IllegalArgumentException success) {
261	<	} finally {
262	<	joinPool(e);
256	>	final ExecutorService e = new DirectExecutorService();
257	>	final Collection<Callable<String>> emptyCollection
258	>	= Collections.emptyList();
259	>	try (PoolCleaner cleaner = cleaner(e)) {
260	>	try {
261	>	e.invokeAny(emptyCollection);
262	>	shouldThrow();
263	>	} catch (IllegalArgumentException success) {}
264		}
265		}
266
#	Line 250 | Line 268 | public class AbstractExecutorServiceTest
268		* invokeAny(c) throws NPE if c has null elements
269		*/
270		public void testInvokeAny3() throws Exception {
271	<	ExecutorService e = new DirectExecutorService();
272	<	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
273	<	l.add(new Callable<Integer>() {
274	<	public Integer call() { return 5/0; }});
275	<	l.add(null);
276	<	try {
277	<	e.invokeAny(l);
278	<	shouldThrow();
279	<	} catch (NullPointerException success) {
280	<	} finally {
263	<	joinPool(e);
271	>	final ExecutorService e = new DirectExecutorService();
272	>	try (PoolCleaner cleaner = cleaner(e)) {
273	>	List<Callable<Long>> l = new ArrayList<>();
274	>	l.add(new Callable<Long>() {
275	>	public Long call() { throw new ArithmeticException(); }});
276	>	l.add(null);
277	>	try {
278	>	e.invokeAny(l);
279	>	shouldThrow();
280	>	} catch (NullPointerException success) {}
281		}
282		}
283
#	Line 268 | Line 285 | public class AbstractExecutorServiceTest
285		* invokeAny(c) throws ExecutionException if no task in c completes
286		*/
287		public void testInvokeAny4() throws InterruptedException {
288	<	ExecutorService e = new DirectExecutorService();
289	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
290	<	l.add(new NPETask());
291	<	try {
292	<	e.invokeAny(l);
293	<	shouldThrow();
294	<	} catch (ExecutionException success) {
295	<	assertTrue(success.getCause() instanceof NullPointerException);
296	<	} finally {
297	<	joinPool(e);
288	>	final ExecutorService e = new DirectExecutorService();
289	>	try (PoolCleaner cleaner = cleaner(e)) {
290	>	List<Callable<String>> l = new ArrayList<>();
291	>	l.add(new NPETask());
292	>	try {
293	>	e.invokeAny(l);
294	>	shouldThrow();
295	>	} catch (ExecutionException success) {
296	>	assertTrue(success.getCause() instanceof NullPointerException);
297	>	}
298		}
299		}
300
#	Line 285 | Line 302 | public class AbstractExecutorServiceTest
302		* invokeAny(c) returns result of some task in c if at least one completes
303		*/
304		public void testInvokeAny5() throws Exception {
305	<	ExecutorService e = new DirectExecutorService();
306	<	try {
307	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
305	>	final ExecutorService e = new DirectExecutorService();
306	>	try (PoolCleaner cleaner = cleaner(e)) {
307	>	List<Callable<String>> l = new ArrayList<>();
308		l.add(new StringTask());
309		l.add(new StringTask());
310		String result = e.invokeAny(l);
311		assertSame(TEST_STRING, result);
295	–	} finally {
296	–	joinPool(e);
312		}
313		}
314
#	Line 301 | Line 316 | public class AbstractExecutorServiceTest
316		* invokeAll(null) throws NPE
317		*/
318		public void testInvokeAll1() throws InterruptedException {
319	<	ExecutorService e = new DirectExecutorService();
320	<	try {
321	<	e.invokeAll(null);
322	<	shouldThrow();
323	<	} catch (NullPointerException success) {
324	<	} finally {
310	<	joinPool(e);
319	>	final ExecutorService e = new DirectExecutorService();
320	>	try (PoolCleaner cleaner = cleaner(e)) {
321	>	try {
322	>	e.invokeAll(null);
323	>	shouldThrow();
324	>	} catch (NullPointerException success) {}
325		}
326		}
327
328		/**
329	<	* invokeAll(empty collection) returns empty collection
329	>	* invokeAll(empty collection) returns empty list
330		*/
331		public void testInvokeAll2() throws InterruptedException {
332	<	ExecutorService e = new DirectExecutorService();
333	<	try {
334	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
332	>	final ExecutorService e = new DirectExecutorService();
333	>	final Collection<Callable<String>> emptyCollection
334	>	= Collections.emptyList();
335	>	try (PoolCleaner cleaner = cleaner(e)) {
336	>	List<Future<String>> r = e.invokeAll(emptyCollection);
337		assertTrue(r.isEmpty());
322	–	} finally {
323	–	joinPool(e);
338		}
339		}
340
#	Line 328 | Line 342 | public class AbstractExecutorServiceTest
342		* invokeAll(c) throws NPE if c has null elements
343		*/
344		public void testInvokeAll3() throws InterruptedException {
345	<	ExecutorService e = new DirectExecutorService();
346	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
347	<	l.add(new StringTask());
348	<	l.add(null);
349	<	try {
350	<	e.invokeAll(l);
351	<	shouldThrow();
352	<	} catch (NullPointerException success) {
353	<	} finally {
340	<	joinPool(e);
345	>	final ExecutorService e = new DirectExecutorService();
346	>	try (PoolCleaner cleaner = cleaner(e)) {
347	>	List<Callable<String>> l = new ArrayList<>();
348	>	l.add(new StringTask());
349	>	l.add(null);
350	>	try {
351	>	e.invokeAll(l);
352	>	shouldThrow();
353	>	} catch (NullPointerException success) {}
354		}
355		}
356
#	Line 345 | Line 358 | public class AbstractExecutorServiceTest
358		* get of returned element of invokeAll(c) throws exception on failed task
359		*/
360		public void testInvokeAll4() throws Exception {
361	<	ExecutorService e = new DirectExecutorService();
362	<	try {
363	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
361	>	final ExecutorService e = new DirectExecutorService();
362	>	try (PoolCleaner cleaner = cleaner(e)) {
363	>	List<Callable<String>> l = new ArrayList<>();
364		l.add(new NPETask());
365		List<Future<String>> futures = e.invokeAll(l);
366		assertEquals(1, futures.size());
#	Line 357 | Line 370 | public class AbstractExecutorServiceTest
370		} catch (ExecutionException success) {
371		assertTrue(success.getCause() instanceof NullPointerException);
372		}
360	–	} finally {
361	–	joinPool(e);
373		}
374		}
375
#	Line 366 | Line 377 | public class AbstractExecutorServiceTest
377		* invokeAll(c) returns results of all completed tasks in c
378		*/
379		public void testInvokeAll5() throws Exception {
380	<	ExecutorService e = new DirectExecutorService();
381	<	try {
382	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
380	>	final ExecutorService e = new DirectExecutorService();
381	>	try (PoolCleaner cleaner = cleaner(e)) {
382	>	List<Callable<String>> l = new ArrayList<>();
383		l.add(new StringTask());
384		l.add(new StringTask());
385		List<Future<String>> futures = e.invokeAll(l);
386		assertEquals(2, futures.size());
387		for (Future<String> future : futures)
388		assertSame(TEST_STRING, future.get());
378	–	} finally {
379	–	joinPool(e);
389		}
390		}
391
#	Line 384 | Line 393 | public class AbstractExecutorServiceTest
393		* timed invokeAny(null) throws NPE
394		*/
395		public void testTimedInvokeAny1() throws Exception {
396	<	ExecutorService e = new DirectExecutorService();
397	<	try {
398	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
399	<	shouldThrow();
400	<	} catch (NullPointerException success) {
401	<	} finally {
393	<	joinPool(e);
396	>	final ExecutorService e = new DirectExecutorService();
397	>	try (PoolCleaner cleaner = cleaner(e)) {
398	>	try {
399	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
400	>	shouldThrow();
401	>	} catch (NullPointerException success) {}
402		}
403		}
404
405		/**
406	<	* timed invokeAny(null time unit) throws NPE
406	>	* timed invokeAny(null time unit) throws NullPointerException
407		*/
408		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
409	<	ExecutorService e = new DirectExecutorService();
410	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
411	<	l.add(new StringTask());
412	<	try {
413	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
414	<	shouldThrow();
415	<	} catch (NullPointerException success) {
416	<	} finally {
409	<	joinPool(e);
409	>	final ExecutorService e = new DirectExecutorService();
410	>	try (PoolCleaner cleaner = cleaner(e)) {
411	>	List<Callable<String>> l = new ArrayList<>();
412	>	l.add(new StringTask());
413	>	try {
414	>	e.invokeAny(l, randomTimeout(), null);
415	>	shouldThrow();
416	>	} catch (NullPointerException success) {}
417		}
418		}
419
420		/**
421	<	* timed invokeAny(empty collection) throws IAE
421	>	* timed invokeAny(empty collection) throws IllegalArgumentException
422		*/
423		public void testTimedInvokeAny2() throws Exception {
424	<	ExecutorService e = new DirectExecutorService();
425	<	try {
426	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
427	<	shouldThrow();
428	<	} catch (IllegalArgumentException success) {
429	<	} finally {
430	<	joinPool(e);
424	>	final ExecutorService e = new DirectExecutorService();
425	>	final Collection<Callable<String>> emptyCollection
426	>	= Collections.emptyList();
427	>	try (PoolCleaner cleaner = cleaner(e)) {
428	>	try {
429	>	e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit());
430	>	shouldThrow();
431	>	} catch (IllegalArgumentException success) {}
432		}
433		}
434
#	Line 428 | Line 436 | public class AbstractExecutorServiceTest
436		* timed invokeAny(c) throws NPE if c has null elements
437		*/
438		public void testTimedInvokeAny3() throws Exception {
439	<	ExecutorService e = new DirectExecutorService();
440	<	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
441	<	l.add(new Callable<Integer>() {
442	<	public Integer call() { return 5/0; }});
443	<	l.add(null);
444	<	try {
445	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
446	<	shouldThrow();
447	<	} catch (NullPointerException success) {
448	<	} finally {
441	<	joinPool(e);
439	>	final ExecutorService e = new DirectExecutorService();
440	>	try (PoolCleaner cleaner = cleaner(e)) {
441	>	List<Callable<Long>> l = new ArrayList<>();
442	>	l.add(new Callable<Long>() {
443	>	public Long call() { throw new ArithmeticException(); }});
444	>	l.add(null);
445	>	try {
446	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
447	>	shouldThrow();
448	>	} catch (NullPointerException success) {}
449		}
450		}
451
#	Line 446 | Line 453 | public class AbstractExecutorServiceTest
453		* timed invokeAny(c) throws ExecutionException if no task completes
454		*/
455		public void testTimedInvokeAny4() throws Exception {
456	<	ExecutorService e = new DirectExecutorService();
457	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
458	<	l.add(new NPETask());
459	<	try {
460	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
461	<	shouldThrow();
462	<	} catch (ExecutionException success) {
463	<	assertTrue(success.getCause() instanceof NullPointerException);
464	<	} finally {
465	<	joinPool(e);
456	>	final ExecutorService e = new DirectExecutorService();
457	>	try (PoolCleaner cleaner = cleaner(e)) {
458	>	long startTime = System.nanoTime();
459	>	List<Callable<String>> l = new ArrayList<>();
460	>	l.add(new NPETask());
461	>	try {
462	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
463	>	shouldThrow();
464	>	} catch (ExecutionException success) {
465	>	assertTrue(success.getCause() instanceof NullPointerException);
466	>	}
467	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
468		}
469		}
470
#	Line 463 | Line 472 | public class AbstractExecutorServiceTest
472		* timed invokeAny(c) returns result of some task in c
473		*/
474		public void testTimedInvokeAny5() throws Exception {
475	<	ExecutorService e = new DirectExecutorService();
476	<	try {
477	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
475	>	final ExecutorService e = new DirectExecutorService();
476	>	try (PoolCleaner cleaner = cleaner(e)) {
477	>	long startTime = System.nanoTime();
478	>	List<Callable<String>> l = new ArrayList<>();
479		l.add(new StringTask());
480		l.add(new StringTask());
481	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
481	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
482		assertSame(TEST_STRING, result);
483	<	} finally {
474	<	joinPool(e);
483	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
484		}
485		}
486
487		/**
488	<	* timed invokeAll(null) throws NPE
488	>	* timed invokeAll(null) throws NullPointerException
489		*/
490		public void testTimedInvokeAll1() throws InterruptedException {
491	<	ExecutorService e = new DirectExecutorService();
492	<	try {
493	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
494	<	shouldThrow();
495	<	} catch (NullPointerException success) {
496	<	} finally {
488	<	joinPool(e);
491	>	final ExecutorService e = new DirectExecutorService();
492	>	try (PoolCleaner cleaner = cleaner(e)) {
493	>	try {
494	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
495	>	shouldThrow();
496	>	} catch (NullPointerException success) {}
497		}
498		}
499
#	Line 493 | Line 501 | public class AbstractExecutorServiceTest
501		* timed invokeAll(null time unit) throws NPE
502		*/
503		public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
504	<	ExecutorService e = new DirectExecutorService();
505	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
506	<	l.add(new StringTask());
507	<	try {
508	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
509	<	shouldThrow();
510	<	} catch (NullPointerException success) {
511	<	} finally {
504	<	joinPool(e);
504	>	final ExecutorService e = new DirectExecutorService();
505	>	try (PoolCleaner cleaner = cleaner(e)) {
506	>	List<Callable<String>> l = new ArrayList<>();
507	>	l.add(new StringTask());
508	>	try {
509	>	e.invokeAll(l, randomTimeout(), null);
510	>	shouldThrow();
511	>	} catch (NullPointerException success) {}
512		}
513		}
514
515		/**
516	<	* timed invokeAll(empty collection) returns empty collection
516	>	* timed invokeAll(empty collection) returns empty list
517		*/
518		public void testTimedInvokeAll2() throws InterruptedException {
519	<	ExecutorService e = new DirectExecutorService();
520	<	try {
521	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
519	>	final ExecutorService e = new DirectExecutorService();
520	>	final Collection<Callable<String>> emptyCollection
521	>	= Collections.emptyList();
522	>	try (PoolCleaner cleaner = cleaner(e)) {
523	>	List<Future<String>> r =
524	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
525		assertTrue(r.isEmpty());
516	–	} finally {
517	–	joinPool(e);
526		}
527		}
528
529		/**
530	<	* timed invokeAll(c) throws NPE if c has null elements
530	>	* timed invokeAll(c) throws NullPointerException if c has null elements
531		*/
532		public void testTimedInvokeAll3() throws InterruptedException {
533	<	ExecutorService e = new DirectExecutorService();
534	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
535	<	l.add(new StringTask());
536	<	l.add(null);
537	<	try {
538	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
539	<	shouldThrow();
540	<	} catch (NullPointerException success) {
541	<	} finally {
534	<	joinPool(e);
533	>	final ExecutorService e = new DirectExecutorService();
534	>	try (PoolCleaner cleaner = cleaner(e)) {
535	>	List<Callable<String>> l = new ArrayList<>();
536	>	l.add(new StringTask());
537	>	l.add(null);
538	>	try {
539	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542		}
543		}
544
#	Line 539 | Line 546 | public class AbstractExecutorServiceTest
546		* get of returned element of invokeAll(c) throws exception on failed task
547		*/
548		public void testTimedInvokeAll4() throws Exception {
549	<	ExecutorService e = new DirectExecutorService();
550	<	try {
551	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
549	>	final ExecutorService e = new DirectExecutorService();
550	>	try (PoolCleaner cleaner = cleaner(e)) {
551	>	List<Callable<String>> l = new ArrayList<>();
552		l.add(new NPETask());
553		List<Future<String>> futures =
554	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
554	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
555		assertEquals(1, futures.size());
556		try {
557		futures.get(0).get();
#	Line 552 | Line 559 | public class AbstractExecutorServiceTest
559		} catch (ExecutionException success) {
560		assertTrue(success.getCause() instanceof NullPointerException);
561		}
555	–	} finally {
556	–	joinPool(e);
562		}
563		}
564
#	Line 561 | Line 566 | public class AbstractExecutorServiceTest
566		* timed invokeAll(c) returns results of all completed tasks in c
567		*/
568		public void testTimedInvokeAll5() throws Exception {
569	<	ExecutorService e = new DirectExecutorService();
570	<	try {
571	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
569	>	final ExecutorService e = new DirectExecutorService();
570	>	try (PoolCleaner cleaner = cleaner(e)) {
571	>	List<Callable<String>> l = new ArrayList<>();
572		l.add(new StringTask());
573		l.add(new StringTask());
574		List<Future<String>> futures =
575	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
575	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
576		assertEquals(2, futures.size());
577		for (Future<String> future : futures)
578		assertSame(TEST_STRING, future.get());
574	–	} finally {
575	–	joinPool(e);
579		}
580		}
581
582		/**
583		* timed invokeAll cancels tasks not completed by timeout
584		*/
585	<	public void testTimedInvokeAll6() throws InterruptedException {
586	<	ExecutorService e = new DirectExecutorService();
587	<	try {
588	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
589	<	l.add(new StringTask());
590	<	l.add(Executors.callable(possiblyInterruptedRunnable(2 * SHORT_DELAY_MS), TEST_STRING));
591	<	l.add(new StringTask());
592	<	List<Future<String>> futures =
593	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
594	<	assertEquals(3, futures.size());
595	<	Iterator<Future<String>> it = futures.iterator();
596	<	Future<String> f1 = it.next();
597	<	Future<String> f2 = it.next();
598	<	Future<String> f3 = it.next();
599	<	assertTrue(f1.isDone());
600	<	assertFalse(f1.isCancelled());
601	<	assertTrue(f2.isDone());
602	<	assertFalse(f2.isCancelled());
603	<	assertTrue(f3.isDone());
604	<	assertTrue(f3.isCancelled());
605	<	} finally {
606	<	joinPool(e);
585	>	public void testTimedInvokeAll6() throws Exception {
586	>	final ExecutorService e = new DirectExecutorService();
587	>	try (PoolCleaner cleaner = cleaner(e)) {
588	>	for (long timeout = timeoutMillis();;) {
589	>	List<Callable<String>> tasks = new ArrayList<>();
590	>	tasks.add(new StringTask("0"));
591	>	tasks.add(Executors.callable(possiblyInterruptedRunnable(timeout),
592	>	TEST_STRING));
593	>	tasks.add(new StringTask("2"));
594	>	long startTime = System.nanoTime();
595	>	List<Future<String>> futures =
596	>	e.invokeAll(tasks, timeout, MILLISECONDS);
597	>	assertEquals(tasks.size(), futures.size());
598	>	assertTrue(millisElapsedSince(startTime) >= timeout);
599	>	for (Future future : futures)
600	>	assertTrue(future.isDone());
601	>	try {
602	>	assertEquals("0", futures.get(0).get());
603	>	assertEquals(TEST_STRING, futures.get(1).get());
604	>	} catch (CancellationException retryWithLongerTimeout) {
605	>	// unusual delay before starting second task
606	>	timeout *= 2;
607	>	if (timeout >= LONG_DELAY_MS / 2)
608	>	fail("expected exactly one task to be cancelled");
609	>	continue;
610	>	}
611	>	assertTrue(futures.get(2).isCancelled());
612	>	break;
613	>	}
614		}
615		}
616

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