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

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.33 by jsr166, Mon Jan 14 22:05:39 2013 UTC vs.
Revision 1.49 by dl, Tue Jan 26 13:33:05 2021 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.*;
12	–	import java.util.concurrent.atomic.AtomicBoolean;
9		import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	<	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 30 | Line 47 | public class AbstractExecutorServiceTest
47		public void shutdown() { shutdown = true; }
48		public List<Runnable> shutdownNow() {
49		shutdown = true;
50	<	return Collections.EMPTY_LIST;
50	>	return Collections.emptyList();
51		}
52		public boolean isShutdown() { return shutdown; }
53		public boolean isTerminated() { return isShutdown(); }
#	Line 46 | Line 63 | public class AbstractExecutorServiceTest
63		public void testExecuteRunnable() throws Exception {
64		ExecutorService e = new DirectExecutorService();
65		final AtomicBoolean done = new AtomicBoolean(false);
66	<	CheckedRunnable task = new CheckedRunnable() {
66	>	Future<?> future = e.submit(new CheckedRunnable() {
67		public void realRun() {
68		done.set(true);
69	<	}};
53	<	Future<?> future = e.submit(task);
69	>	}});
70		assertNull(future.get());
71		assertNull(future.get(0, MILLISECONDS));
72		assertTrue(done.get());
#	Line 95 | Line 111 | public class AbstractExecutorServiceTest
111		Runnable r = new CheckedRunnable() {
112		public void realRun() throws Exception {
113		ExecutorService e = new DirectExecutorService();
114	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
114	>	Future<?> future = e.submit(Executors.callable(new PrivilegedAction<Object>() {
115		public Object run() {
116		return TEST_STRING;
117		}}));
#	Line 116 | Line 132 | public class AbstractExecutorServiceTest
132		Runnable r = new CheckedRunnable() {
133		public void realRun() throws Exception {
134		ExecutorService e = new DirectExecutorService();
135	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
135	>	Future<?> future = e.submit(Executors.callable(new PrivilegedExceptionAction<Object>() {
136		public Object run() {
137		return TEST_STRING;
138		}}));
#	Line 134 | Line 150 | public class AbstractExecutorServiceTest
150		Runnable r = new CheckedRunnable() {
151		public void realRun() throws Exception {
152		ExecutorService e = new DirectExecutorService();
153	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
153	>	Future<?> future = e.submit(Executors.callable(new PrivilegedExceptionAction<Object>() {
154		public Object run() throws Exception {
155		throw new IndexOutOfBoundsException();
156		}}));
#	Line 150 | Line 166 | public class AbstractExecutorServiceTest
166		}
167
168		/**
169	<	* execute(null runnable) throws NPE
154	<	*/
155	<	public void testExecuteNullRunnable() {
156	<	try {
157	<	ExecutorService e = new DirectExecutorService();
158	<	e.submit((Runnable) null);
159	<	shouldThrow();
160	<	} catch (NullPointerException success) {}
161	<	}
162	<
163	<	/**
164	<	* 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();
171	<	} catch (NullPointerException success) {}
171	>	public void testNullTaskSubmission() {
172	>	final ExecutorService e = new DirectExecutorService();
173	>	try (PoolCleaner cleaner = cleaner(e)) {
174	>	assertNullTaskSubmissionThrowsNullPointerException(e);
175	>	}
176		}
177
178		/**
#	Line 177 | Line 181 | public class AbstractExecutorServiceTest
181		public void testInterruptedSubmit() throws InterruptedException {
182		final CountDownLatch submitted    = new CountDownLatch(1);
183		final CountDownLatch quittingTime = new CountDownLatch(1);
180	–	final ExecutorService p
181	–	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
182	–	new ArrayBlockingQueue<Runnable>(10));
184		final Callable<Void> awaiter = new CheckedCallable<Void>() {
185		public Void realCall() throws InterruptedException {
186	<	quittingTime.await();
186	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
187		return null;
188		}};
189	<	try {
190	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
189	>	final ExecutorService p
190	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
191	>	new ArrayBlockingQueue<Runnable>(10));
192	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
193	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
194		public void realRun() throws Exception {
195		Future<Void> future = p.submit(awaiter);
196		submitted.countDown();
197		future.get();
198		}});
199	<	t.start();
200	<	submitted.await();
199	>
200	>	await(submitted);
201		t.interrupt();
202	<	t.join();
199	<	} finally {
200	<	quittingTime.countDown();
201	<	joinPool(p);
202	>	awaitTermination(t);
203		}
204		}
205
#	Line 207 | Line 208 | public class AbstractExecutorServiceTest
208		* throws exception
209		*/
210		public void testSubmitEE() throws InterruptedException {
211	<	ThreadPoolExecutor p =
211	>	final ThreadPoolExecutor p =
212		new ThreadPoolExecutor(1, 1,
213		60, TimeUnit.SECONDS,
214		new ArrayBlockingQueue<Runnable>(10));
215	<
216	<	Callable c = new Callable() {
217	<	public Object call() { throw new ArithmeticException(); }};
218	<
219	<	try {
220	<	p.submit(c).get();
221	<	shouldThrow();
222	<	} catch (ExecutionException success) {
223	<	assertTrue(success.getCause() instanceof ArithmeticException);
215	>	try (PoolCleaner cleaner = cleaner(p)) {
216	>	Callable<Object> c = new Callable<Object>() {
217	>	public Object call() { throw new ArithmeticException(); }};
218	>	try {
219	>	p.submit(c).get();
220	>	shouldThrow();
221	>	} catch (ExecutionException success) {
222	>	assertTrue(success.getCause() instanceof ArithmeticException);
223	>	}
224		}
224	–	joinPool(p);
225		}
226
227		/**
228		* invokeAny(null) throws NPE
229		*/
230		public void testInvokeAny1() throws Exception {
231	<	ExecutorService e = new DirectExecutorService();
232	<	try {
233	<	e.invokeAny(null);
234	<	shouldThrow();
235	<	} catch (NullPointerException success) {
236	<	} finally {
237	<	joinPool(e);
231	>	final ExecutorService e = new DirectExecutorService();
232	>	try (PoolCleaner cleaner = cleaner(e)) {
233	>	try {
234	>	e.invokeAny(null);
235	>	shouldThrow();
236	>	} catch (NullPointerException success) {}
237		}
238		}
239
240		/**
241	<	* invokeAny(empty collection) throws IAE
241	>	* invokeAny(empty collection) throws IllegalArgumentException
242		*/
243		public void testInvokeAny2() throws Exception {
244	<	ExecutorService e = new DirectExecutorService();
245	<	try {
246	<	e.invokeAny(new ArrayList<Callable<String>>());
247	<	shouldThrow();
248	<	} catch (IllegalArgumentException success) {
249	<	} finally {
250	<	joinPool(e);
244	>	final ExecutorService e = new DirectExecutorService();
245	>	final Collection<Callable<String>> emptyCollection
246	>	= Collections.emptyList();
247	>	try (PoolCleaner cleaner = cleaner(e)) {
248	>	try {
249	>	e.invokeAny(emptyCollection);
250	>	shouldThrow();
251	>	} catch (IllegalArgumentException success) {}
252		}
253		}
254
#	Line 256 | Line 256 | public class AbstractExecutorServiceTest
256		* invokeAny(c) throws NPE if c has null elements
257		*/
258		public void testInvokeAny3() throws Exception {
259	<	ExecutorService e = new DirectExecutorService();
260	<	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
261	<	l.add(new Callable<Long>() {
262	<	public Long call() { throw new ArithmeticException(); }});
263	<	l.add(null);
264	<	try {
265	<	e.invokeAny(l);
266	<	shouldThrow();
267	<	} catch (NullPointerException success) {
268	<	} finally {
269	<	joinPool(e);
259	>	final ExecutorService e = new DirectExecutorService();
260	>	try (PoolCleaner cleaner = cleaner(e)) {
261	>	List<Callable<Long>> l = new ArrayList<>();
262	>	l.add(new Callable<Long>() {
263	>	public Long call() { throw new ArithmeticException(); }});
264	>	l.add(null);
265	>	try {
266	>	e.invokeAny(l);
267	>	shouldThrow();
268	>	} catch (NullPointerException success) {}
269		}
270		}
271
#	Line 274 | Line 273 | public class AbstractExecutorServiceTest
273		* invokeAny(c) throws ExecutionException if no task in c completes
274		*/
275		public void testInvokeAny4() throws InterruptedException {
276	<	ExecutorService e = new DirectExecutorService();
277	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
278	<	l.add(new NPETask());
279	<	try {
280	<	e.invokeAny(l);
281	<	shouldThrow();
282	<	} catch (ExecutionException success) {
283	<	assertTrue(success.getCause() instanceof NullPointerException);
284	<	} finally {
285	<	joinPool(e);
276	>	final ExecutorService e = new DirectExecutorService();
277	>	try (PoolCleaner cleaner = cleaner(e)) {
278	>	List<Callable<String>> l = new ArrayList<>();
279	>	l.add(new NPETask());
280	>	try {
281	>	e.invokeAny(l);
282	>	shouldThrow();
283	>	} catch (ExecutionException success) {
284	>	assertTrue(success.getCause() instanceof NullPointerException);
285	>	}
286		}
287		}
288
#	Line 291 | Line 290 | public class AbstractExecutorServiceTest
290		* invokeAny(c) returns result of some task in c if at least one completes
291		*/
292		public void testInvokeAny5() throws Exception {
293	<	ExecutorService e = new DirectExecutorService();
294	<	try {
295	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
293	>	final ExecutorService e = new DirectExecutorService();
294	>	try (PoolCleaner cleaner = cleaner(e)) {
295	>	List<Callable<String>> l = new ArrayList<>();
296		l.add(new StringTask());
297		l.add(new StringTask());
298		String result = e.invokeAny(l);
299		assertSame(TEST_STRING, result);
301	–	} finally {
302	–	joinPool(e);
300		}
301		}
302
#	Line 307 | Line 304 | public class AbstractExecutorServiceTest
304		* invokeAll(null) throws NPE
305		*/
306		public void testInvokeAll1() throws InterruptedException {
307	<	ExecutorService e = new DirectExecutorService();
308	<	try {
309	<	e.invokeAll(null);
310	<	shouldThrow();
311	<	} catch (NullPointerException success) {
312	<	} finally {
316	<	joinPool(e);
307	>	final ExecutorService e = new DirectExecutorService();
308	>	try (PoolCleaner cleaner = cleaner(e)) {
309	>	try {
310	>	e.invokeAll(null);
311	>	shouldThrow();
312	>	} catch (NullPointerException success) {}
313		}
314		}
315
316		/**
317	<	* invokeAll(empty collection) returns empty collection
317	>	* invokeAll(empty collection) returns empty list
318		*/
319		public void testInvokeAll2() throws InterruptedException {
320	<	ExecutorService e = new DirectExecutorService();
321	<	try {
322	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
320	>	final ExecutorService e = new DirectExecutorService();
321	>	final Collection<Callable<String>> emptyCollection
322	>	= Collections.emptyList();
323	>	try (PoolCleaner cleaner = cleaner(e)) {
324	>	List<Future<String>> r = e.invokeAll(emptyCollection);
325		assertTrue(r.isEmpty());
328	–	} finally {
329	–	joinPool(e);
326		}
327		}
328
#	Line 334 | Line 330 | public class AbstractExecutorServiceTest
330		* invokeAll(c) throws NPE if c has null elements
331		*/
332		public void testInvokeAll3() throws InterruptedException {
333	<	ExecutorService e = new DirectExecutorService();
334	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
335	<	l.add(new StringTask());
336	<	l.add(null);
337	<	try {
338	<	e.invokeAll(l);
339	<	shouldThrow();
340	<	} catch (NullPointerException success) {
341	<	} finally {
346	<	joinPool(e);
333	>	final ExecutorService e = new DirectExecutorService();
334	>	try (PoolCleaner cleaner = cleaner(e)) {
335	>	List<Callable<String>> l = new ArrayList<>();
336	>	l.add(new StringTask());
337	>	l.add(null);
338	>	try {
339	>	e.invokeAll(l);
340	>	shouldThrow();
341	>	} catch (NullPointerException success) {}
342		}
343		}
344
#	Line 351 | Line 346 | public class AbstractExecutorServiceTest
346		* get of returned element of invokeAll(c) throws exception on failed task
347		*/
348		public void testInvokeAll4() throws Exception {
349	<	ExecutorService e = new DirectExecutorService();
350	<	try {
351	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
349	>	final ExecutorService e = new DirectExecutorService();
350	>	try (PoolCleaner cleaner = cleaner(e)) {
351	>	List<Callable<String>> l = new ArrayList<>();
352		l.add(new NPETask());
353		List<Future<String>> futures = e.invokeAll(l);
354		assertEquals(1, futures.size());
#	Line 363 | Line 358 | public class AbstractExecutorServiceTest
358		} catch (ExecutionException success) {
359		assertTrue(success.getCause() instanceof NullPointerException);
360		}
366	–	} finally {
367	–	joinPool(e);
361		}
362		}
363
#	Line 372 | Line 365 | public class AbstractExecutorServiceTest
365		* invokeAll(c) returns results of all completed tasks in c
366		*/
367		public void testInvokeAll5() throws Exception {
368	<	ExecutorService e = new DirectExecutorService();
369	<	try {
370	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
368	>	final ExecutorService e = new DirectExecutorService();
369	>	try (PoolCleaner cleaner = cleaner(e)) {
370	>	List<Callable<String>> l = new ArrayList<>();
371		l.add(new StringTask());
372		l.add(new StringTask());
373		List<Future<String>> futures = e.invokeAll(l);
374		assertEquals(2, futures.size());
375		for (Future<String> future : futures)
376		assertSame(TEST_STRING, future.get());
384	–	} finally {
385	–	joinPool(e);
377		}
378		}
379
#	Line 390 | Line 381 | public class AbstractExecutorServiceTest
381		* timed invokeAny(null) throws NPE
382		*/
383		public void testTimedInvokeAny1() throws Exception {
384	<	ExecutorService e = new DirectExecutorService();
385	<	try {
386	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
387	<	shouldThrow();
388	<	} catch (NullPointerException success) {
389	<	} finally {
399	<	joinPool(e);
384	>	final ExecutorService e = new DirectExecutorService();
385	>	try (PoolCleaner cleaner = cleaner(e)) {
386	>	try {
387	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
388	>	shouldThrow();
389	>	} catch (NullPointerException success) {}
390		}
391		}
392
393		/**
394	<	* timed invokeAny(null time unit) throws NPE
394	>	* timed invokeAny(null time unit) throws NullPointerException
395		*/
396		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
397	<	ExecutorService e = new DirectExecutorService();
398	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
399	<	l.add(new StringTask());
400	<	try {
401	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
402	<	shouldThrow();
403	<	} catch (NullPointerException success) {
404	<	} finally {
415	<	joinPool(e);
397	>	final ExecutorService e = new DirectExecutorService();
398	>	try (PoolCleaner cleaner = cleaner(e)) {
399	>	List<Callable<String>> l = new ArrayList<>();
400	>	l.add(new StringTask());
401	>	try {
402	>	e.invokeAny(l, randomTimeout(), null);
403	>	shouldThrow();
404	>	} catch (NullPointerException success) {}
405		}
406		}
407
408		/**
409	<	* timed invokeAny(empty collection) throws IAE
409	>	* timed invokeAny(empty collection) throws IllegalArgumentException
410		*/
411		public void testTimedInvokeAny2() throws Exception {
412	<	ExecutorService e = new DirectExecutorService();
413	<	try {
414	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
415	<	shouldThrow();
416	<	} catch (IllegalArgumentException success) {
417	<	} finally {
418	<	joinPool(e);
412	>	final ExecutorService e = new DirectExecutorService();
413	>	final Collection<Callable<String>> emptyCollection
414	>	= Collections.emptyList();
415	>	try (PoolCleaner cleaner = cleaner(e)) {
416	>	try {
417	>	e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit());
418	>	shouldThrow();
419	>	} catch (IllegalArgumentException success) {}
420		}
421		}
422
#	Line 434 | Line 424 | public class AbstractExecutorServiceTest
424		* timed invokeAny(c) throws NPE if c has null elements
425		*/
426		public void testTimedInvokeAny3() throws Exception {
427	<	ExecutorService e = new DirectExecutorService();
428	<	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
429	<	l.add(new Callable<Long>() {
430	<	public Long call() { throw new ArithmeticException(); }});
431	<	l.add(null);
432	<	try {
433	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
434	<	shouldThrow();
435	<	} catch (NullPointerException success) {
436	<	} finally {
447	<	joinPool(e);
427	>	final ExecutorService e = new DirectExecutorService();
428	>	try (PoolCleaner cleaner = cleaner(e)) {
429	>	List<Callable<Long>> l = new ArrayList<>();
430	>	l.add(new Callable<Long>() {
431	>	public Long call() { throw new ArithmeticException(); }});
432	>	l.add(null);
433	>	try {
434	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
435	>	shouldThrow();
436	>	} catch (NullPointerException success) {}
437		}
438		}
439
#	Line 452 | Line 441 | public class AbstractExecutorServiceTest
441		* timed invokeAny(c) throws ExecutionException if no task completes
442		*/
443		public void testTimedInvokeAny4() throws Exception {
444	<	ExecutorService e = new DirectExecutorService();
445	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
446	<	l.add(new NPETask());
447	<	try {
448	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
449	<	shouldThrow();
450	<	} catch (ExecutionException success) {
451	<	assertTrue(success.getCause() instanceof NullPointerException);
452	<	} finally {
453	<	joinPool(e);
444	>	final ExecutorService e = new DirectExecutorService();
445	>	try (PoolCleaner cleaner = cleaner(e)) {
446	>	long startTime = System.nanoTime();
447	>	List<Callable<String>> l = new ArrayList<>();
448	>	l.add(new NPETask());
449	>	try {
450	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
451	>	shouldThrow();
452	>	} catch (ExecutionException success) {
453	>	assertTrue(success.getCause() instanceof NullPointerException);
454	>	}
455	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
456		}
457		}
458
#	Line 469 | Line 460 | public class AbstractExecutorServiceTest
460		* timed invokeAny(c) returns result of some task in c
461		*/
462		public void testTimedInvokeAny5() throws Exception {
463	<	ExecutorService e = new DirectExecutorService();
464	<	try {
465	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
463	>	final ExecutorService e = new DirectExecutorService();
464	>	try (PoolCleaner cleaner = cleaner(e)) {
465	>	long startTime = System.nanoTime();
466	>	List<Callable<String>> l = new ArrayList<>();
467		l.add(new StringTask());
468		l.add(new StringTask());
469	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
469	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
470		assertSame(TEST_STRING, result);
471	<	} finally {
480	<	joinPool(e);
471	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
472		}
473		}
474
475		/**
476	<	* timed invokeAll(null) throws NPE
476	>	* timed invokeAll(null) throws NullPointerException
477		*/
478		public void testTimedInvokeAll1() throws InterruptedException {
479	<	ExecutorService e = new DirectExecutorService();
480	<	try {
481	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
482	<	shouldThrow();
483	<	} catch (NullPointerException success) {
484	<	} finally {
494	<	joinPool(e);
479	>	final ExecutorService e = new DirectExecutorService();
480	>	try (PoolCleaner cleaner = cleaner(e)) {
481	>	try {
482	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
483	>	shouldThrow();
484	>	} catch (NullPointerException success) {}
485		}
486		}
487
#	Line 499 | Line 489 | public class AbstractExecutorServiceTest
489		* timed invokeAll(null time unit) throws NPE
490		*/
491		public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
492	<	ExecutorService e = new DirectExecutorService();
493	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
494	<	l.add(new StringTask());
495	<	try {
496	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
497	<	shouldThrow();
498	<	} catch (NullPointerException success) {
499	<	} finally {
510	<	joinPool(e);
492	>	final ExecutorService e = new DirectExecutorService();
493	>	try (PoolCleaner cleaner = cleaner(e)) {
494	>	List<Callable<String>> l = new ArrayList<>();
495	>	l.add(new StringTask());
496	>	try {
497	>	e.invokeAll(l, randomTimeout(), null);
498	>	shouldThrow();
499	>	} catch (NullPointerException success) {}
500		}
501		}
502
503		/**
504	<	* timed invokeAll(empty collection) returns empty collection
504	>	* timed invokeAll(empty collection) returns empty list
505		*/
506		public void testTimedInvokeAll2() throws InterruptedException {
507	<	ExecutorService e = new DirectExecutorService();
508	<	try {
509	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
507	>	final ExecutorService e = new DirectExecutorService();
508	>	final Collection<Callable<String>> emptyCollection
509	>	= Collections.emptyList();
510	>	try (PoolCleaner cleaner = cleaner(e)) {
511	>	List<Future<String>> r =
512	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
513		assertTrue(r.isEmpty());
522	–	} finally {
523	–	joinPool(e);
514		}
515		}
516
517		/**
518	<	* timed invokeAll(c) throws NPE if c has null elements
518	>	* timed invokeAll(c) throws NullPointerException if c has null elements
519		*/
520		public void testTimedInvokeAll3() throws InterruptedException {
521	<	ExecutorService e = new DirectExecutorService();
522	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
523	<	l.add(new StringTask());
524	<	l.add(null);
525	<	try {
526	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
527	<	shouldThrow();
528	<	} catch (NullPointerException success) {
529	<	} finally {
540	<	joinPool(e);
521	>	final ExecutorService e = new DirectExecutorService();
522	>	try (PoolCleaner cleaner = cleaner(e)) {
523	>	List<Callable<String>> l = new ArrayList<>();
524	>	l.add(new StringTask());
525	>	l.add(null);
526	>	try {
527	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
528	>	shouldThrow();
529	>	} catch (NullPointerException success) {}
530		}
531		}
532
#	Line 545 | Line 534 | public class AbstractExecutorServiceTest
534		* get of returned element of invokeAll(c) throws exception on failed task
535		*/
536		public void testTimedInvokeAll4() throws Exception {
537	<	ExecutorService e = new DirectExecutorService();
538	<	try {
539	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
537	>	final ExecutorService e = new DirectExecutorService();
538	>	try (PoolCleaner cleaner = cleaner(e)) {
539	>	List<Callable<String>> l = new ArrayList<>();
540		l.add(new NPETask());
541		List<Future<String>> futures =
542	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
542	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
543		assertEquals(1, futures.size());
544		try {
545		futures.get(0).get();
#	Line 558 | Line 547 | public class AbstractExecutorServiceTest
547		} catch (ExecutionException success) {
548		assertTrue(success.getCause() instanceof NullPointerException);
549		}
561	–	} finally {
562	–	joinPool(e);
550		}
551		}
552
#	Line 567 | Line 554 | public class AbstractExecutorServiceTest
554		* timed invokeAll(c) returns results of all completed tasks in c
555		*/
556		public void testTimedInvokeAll5() throws Exception {
557	<	ExecutorService e = new DirectExecutorService();
558	<	try {
559	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
557	>	final ExecutorService e = new DirectExecutorService();
558	>	try (PoolCleaner cleaner = cleaner(e)) {
559	>	List<Callable<String>> l = new ArrayList<>();
560		l.add(new StringTask());
561		l.add(new StringTask());
562		List<Future<String>> futures =
563	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
563	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
564		assertEquals(2, futures.size());
565		for (Future<String> future : futures)
566		assertSame(TEST_STRING, future.get());
580	–	} finally {
581	–	joinPool(e);
567		}
568		}
569
570		/**
571		* timed invokeAll cancels tasks not completed by timeout
572		*/
573	<	public void testTimedInvokeAll6() throws InterruptedException {
574	<	ExecutorService e = new DirectExecutorService();
575	<	try {
576	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
577	<	l.add(new StringTask());
578	<	l.add(Executors.callable(possiblyInterruptedRunnable(2 * SHORT_DELAY_MS), TEST_STRING));
579	<	l.add(new StringTask());
580	<	List<Future<String>> futures =
581	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
582	<	assertEquals(l.size(), futures.size());
583	<	for (Future future : futures)
584	<	assertTrue(future.isDone());
585	<	assertFalse(futures.get(0).isCancelled());
586	<	assertFalse(futures.get(1).isCancelled());
587	<	assertTrue(futures.get(2).isCancelled());
588	<	} finally {
589	<	joinPool(e);
573	>	public void testTimedInvokeAll6() throws Exception {
574	>	final ExecutorService e = new DirectExecutorService();
575	>	try (PoolCleaner cleaner = cleaner(e)) {
576	>	for (long timeout = timeoutMillis();;) {
577	>	List<Callable<String>> tasks = new ArrayList<>();
578	>	tasks.add(new StringTask("0"));
579	>	tasks.add(Executors.callable(possiblyInterruptedRunnable(timeout),
580	>	TEST_STRING));
581	>	tasks.add(new StringTask("2"));
582	>	long startTime = System.nanoTime();
583	>	List<Future<String>> futures =
584	>	e.invokeAll(tasks, timeout, MILLISECONDS);
585	>	assertEquals(tasks.size(), futures.size());
586	>	assertTrue(millisElapsedSince(startTime) >= timeout);
587	>	for (Future<?> future : futures)
588	>	assertTrue(future.isDone());
589	>	try {
590	>	assertEquals("0", futures.get(0).get());
591	>	assertEquals(TEST_STRING, futures.get(1).get());
592	>	} catch (CancellationException retryWithLongerTimeout) {
593	>	// unusual delay before starting second task
594	>	timeout *= 2;
595	>	if (timeout >= LONG_DELAY_MS / 2)
596	>	fail("expected exactly one task to be cancelled");
597	>	continue;
598	>	}
599	>	assertTrue(futures.get(2).isCancelled());
600	>	break;
601	>	}
602		}
603		}
604

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