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

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.19 by jsr166, Fri Nov 20 05:25:10 2009 UTC vs.
Revision 1.47 by jsr166, Sun Jul 16 18:05:47 2017 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10
11	<	import junit.framework.*;
12	<	import java.util.*;
13	<	import java.util.concurrent.*;
14	<	import java.math.BigInteger;
15	<	import java.security.*;
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 28 | Line 45 | public class AbstractExecutorServiceTest
45		static class DirectExecutorService extends AbstractExecutorService {
46		public void execute(Runnable r) { r.run(); }
47		public void shutdown() { shutdown = true; }
48	<	public List<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; }
48	>	public List<Runnable> shutdownNow() {
49	>	shutdown = true;
50	>	return Collections.EMPTY_LIST;
51	>	}
52		public boolean isShutdown() { return shutdown; }
53		public boolean isTerminated() { return isShutdown(); }
54	<	public boolean awaitTermination(long timeout, TimeUnit unit) { return isShutdown(); }
54	>	public boolean awaitTermination(long timeout, TimeUnit unit) {
55	>	return isShutdown();
56	>	}
57		private volatile boolean shutdown = false;
58		}
59
#	Line 40 | 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
50	–
77		/**
78		* Completed submit(callable) returns result
79		*/
#	Line 78 | Line 104 | public class AbstractExecutorServiceTest
104		assertSame(TEST_STRING, result);
105		}
106
81	–
107		/**
108	<	* A submitted privileged action to completion
108	>	* A submitted privileged action runs to completion
109		*/
110		public void testSubmitPrivilegedAction() throws Exception {
111	<	Policy savedPolicy = null;
112	<	try {
113	<	savedPolicy = Policy.getPolicy();
114	<	AdjustablePolicy policy = new AdjustablePolicy();
90	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
91	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
92	<	Policy.setPolicy(policy);
93	<	} catch (AccessControlException ok) {
94	<	return;
95	<	}
96	<	try {
97	<	ExecutorService e = new DirectExecutorService();
98	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
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() {
115		public Object run() {
116		return TEST_STRING;
117		}}));
118
119	<	Object result = future.get();
120	<	assertSame(TEST_STRING, result);
121	<	}
122	<	finally {
123	<	try {
124	<	Policy.setPolicy(savedPolicy);
125	<	} catch (AccessControlException ok) {
110	<	return;
111	<	}
112	<	}
119	>	assertSame(TEST_STRING, future.get());
120	>	}};
121	>
122	>	runWithPermissions(r,
123	>	new RuntimePermission("getClassLoader"),
124	>	new RuntimePermission("setContextClassLoader"),
125	>	new RuntimePermission("modifyThread"));
126		}
127
128		/**
129	<	* A submitted a privileged exception action runs to completion
129	>	* A submitted privileged exception action runs to completion
130		*/
131		public void testSubmitPrivilegedExceptionAction() throws Exception {
132	<	Policy savedPolicy = null;
133	<	try {
134	<	savedPolicy = Policy.getPolicy();
135	<	AdjustablePolicy policy = new AdjustablePolicy();
123	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
124	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
125	<	Policy.setPolicy(policy);
126	<	} catch (AccessControlException ok) {
127	<	return;
128	<	}
129	<
130	<	try {
131	<	ExecutorService e = new DirectExecutorService();
132	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
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() {
136		public Object run() {
137		return TEST_STRING;
138		}}));
139
140	<	Object result = future.get();
141	<	assertSame(TEST_STRING, result);
142	<	}
143	<	finally {
141	<	Policy.setPolicy(savedPolicy);
142	<	}
140	>	assertSame(TEST_STRING, future.get());
141	>	}};
142	>
143	>	runWithPermissions(r);
144		}
145
146		/**
147		* A submitted failed privileged exception action reports exception
148		*/
149		public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
150	<	Policy savedPolicy = null;
151	<	try {
152	<	savedPolicy = Policy.getPolicy();
153	<	AdjustablePolicy policy = new AdjustablePolicy();
153	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
154	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
155	<	Policy.setPolicy(policy);
156	<	} catch (AccessControlException ok) {
157	<	return;
158	<	}
159	<
160	<	try {
161	<	ExecutorService e = new DirectExecutorService();
162	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
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() {
154		public Object run() throws Exception {
155		throw new IndexOutOfBoundsException();
156		}}));
157
167	–	future.get();
168	–	shouldThrow();
169	–	} catch (ExecutionException success) {
170	–	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
171	–	}
172	–	finally {
173	–	Policy.setPolicy(savedPolicy);
174	–	}
175	–	}
176	–
177	–	/**
178	–	* execute(null runnable) throws NPE
179	–	*/
180	–	public void testExecuteNullRunnable() {
181	–	try {
182	–	ExecutorService e = new DirectExecutorService();
183	–	e.submit((Runnable) null);
184	–	shouldThrow();
185	–	} catch (NullPointerException success) {}
186	–	}
187	–
188	–
189	–	/**
190	–	* submit(null callable) throws NPE
191	–	*/
192	–	public void testSubmitNullCallable() {
193	–	try {
194	–	ExecutorService e = new DirectExecutorService();
195	–	e.submit((Callable) null);
196	–	shouldThrow();
197	–	} catch (NullPointerException success) {}
198	–	}
199	–
200	–	/**
201	–	* submit(runnable) throws RejectedExecutionException if
202	–	* executor is saturated.
203	–	*/
204	–	public void testExecute1() {
205	–	ThreadPoolExecutor p =
206	–	new ThreadPoolExecutor(1, 1,
207	–	60, TimeUnit.SECONDS,
208	–	new ArrayBlockingQueue<Runnable>(1));
209	–	try {
210	–	for (int i = 0; i < 2; ++i)
211	–	p.submit(new MediumRunnable());
212	–	for (int i = 0; i < 2; ++i) {
158		try {
159	<	p.submit(new MediumRunnable());
159	>	future.get();
160		shouldThrow();
161	<	} catch (RejectedExecutionException success) {}
162	<	}
163	<	} finally {
164	<	joinPool(p);
165	<	}
161	>	} catch (ExecutionException success) {
162	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
163	>	}}};
164	>
165	>	runWithPermissions(r);
166		}
167
168		/**
169	<	* submit(callable) throws RejectedExecutionException
225	<	* if executor is saturated.
169	>	* Submitting null tasks throws NullPointerException.
170		*/
171	<	public void testExecute2() {
172	<	ThreadPoolExecutor p =
173	<	new ThreadPoolExecutor(1, 1,
174	<	60, TimeUnit.SECONDS,
175	<	new ArrayBlockingQueue<Runnable>(1));
176	<	try {
177	<	for (int i = 0; i < 2; ++i)
178	<	p.submit(new MediumRunnable());
179	<	for (int i = 0; i < 2; ++i) {
180	<	try {
181	<	p.submit(new SmallCallable());
182	<	shouldThrow();
183	<	} catch (RejectedExecutionException success) {}
184	<	}
185	<	} finally {
186	<	joinPool(p);
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
246	–
190		/**
191	<	*  Blocking on submit(callable) throws InterruptedException if
249	<	*  caller interrupted.
191	>	* submit(callable).get() throws InterruptedException if interrupted
192		*/
193		public void testInterruptedSubmit() throws InterruptedException {
194	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
195	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
196	<	public void realRun() throws Exception {
197	<	p.submit(new CheckedCallable<Object>() {
198	<	public Object realCall()
199	<	throws InterruptedException {
200	<	Thread.sleep(SMALL_DELAY_MS);
201	<	return null;
202	<	}}).get();
203	<	}});
204	<
205	<	t.start();
206	<	Thread.sleep(SHORT_DELAY_MS);
207	<	t.interrupt();
208	<	joinPool(p);
209	<	}
210	<
269	<	/**
270	<	*  get of submitted callable throws InterruptedException if callable
271	<	*  interrupted
272	<	*/
273	<	public void testSubmitIE() throws InterruptedException {
274	<	final ThreadPoolExecutor p =
275	<	new ThreadPoolExecutor(1, 1,
276	<	60, TimeUnit.SECONDS,
277	<	new ArrayBlockingQueue<Runnable>(10));
278	<
279	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
280	<	public void realRun() throws Exception {
281	<	p.submit(new SmallCallable()).get();
282	<	}});
194	>	final CountDownLatch submitted    = new CountDownLatch(1);
195	>	final CountDownLatch quittingTime = new CountDownLatch(1);
196	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
197	>	public Void realCall() throws InterruptedException {
198	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
199	>	return null;
200	>	}};
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
212	<	t.start();
213	<	Thread.sleep(SHORT_DELAY_MS);
214	<	t.interrupt();
215	<	t.join();
288	<	joinPool(p);
212	>	await(submitted);
213	>	t.interrupt();
214	>	awaitTermination(t);
215	>	}
216		}
217
218		/**
219	<	*  get of submit(callable) throws ExecutionException if callable
220	<	*  throws exception
219	>	* get of submit(callable) throws ExecutionException if callable
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		}
310	–	joinPool(p);
237		}
238
239		/**
240		* invokeAny(null) throws NPE
241		*/
242	<	public void testInvokeAny1()
243	<	throws InterruptedException, ExecutionException {
244	<	ExecutorService e = new DirectExecutorService();
245	<	try {
246	<	e.invokeAny(null);
247	<	shouldThrow();
248	<	} catch (NullPointerException success) {
323	<	} finally {
324	<	joinPool(e);
242	>	public void testInvokeAny1() throws Exception {
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()
256	<	throws InterruptedException, ExecutionException {
257	<	ExecutorService e = new DirectExecutorService();
258	<	try {
259	<	e.invokeAny(new ArrayList<Callable<String>>());
260	<	shouldThrow();
261	<	} catch (IllegalArgumentException success) {
262	<	} finally {
263	<	joinPool(e);
255	>	public void testInvokeAny2() throws Exception {
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 344 | Line 268 | public class AbstractExecutorServiceTest
268		* invokeAny(c) throws NPE if c has null elements
269		*/
270		public void testInvokeAny3() throws Exception {
271	<	final CountDownLatch latch = new CountDownLatch(1);
272	<	ExecutorService e = new DirectExecutorService();
273	<	try {
274	<	ArrayList<Callable<Integer>> l
275	<	= new ArrayList<Callable<Integer>>();
352	<	l.add(new Callable<Integer>() {
353	<	public Integer call() { return 5/0; }});
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	<	e.invokeAny(l);
278	<	shouldThrow();
279	<	} catch (NullPointerException success) {
280	<	} finally {
359	<	latch.countDown();
360	<	joinPool(e);
277	>	try {
278	>	e.invokeAny(l);
279	>	shouldThrow();
280	>	} catch (NullPointerException success) {}
281		}
282		}
283
#	Line 365 | 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	<	try {
290	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	e.invokeAny(l);
293	<	shouldThrow();
294	<	} catch (ExecutionException success) {
295	<	assertTrue(success.getCause() instanceof NullPointerException);
296	<	} finally {
297	<	joinPool(e);
292	>	try {
293	>	e.invokeAny(l);
294	>	shouldThrow();
295	>	} catch (ExecutionException success) {
296	>	assertTrue(success.getCause() instanceof NullPointerException);
297	>	}
298		}
299		}
300
#	Line 382 | 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	<	ArrayList<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);
392	–	} finally {
393	–	joinPool(e);
312		}
313		}
314
#	Line 398 | 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 {
407	<	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());
419	–	} finally {
420	–	joinPool(e);
338		}
339		}
340
#	Line 425 | 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	<	try {
347	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	e.invokeAll(l);
351	<	shouldThrow();
352	<	} catch (NullPointerException success) {
353	<	} finally {
437	<	joinPool(e);
350	>	try {
351	>	e.invokeAll(l);
352	>	shouldThrow();
353	>	} catch (NullPointerException success) {}
354		}
355		}
356
#	Line 442 | 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	<	ArrayList<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>> result = e.invokeAll(l);
366	<	assertEquals(1, result.size());
367	<	for (Future<String> future : result) {
368	<	try {
369	<	future.get();
370	<	shouldThrow();
371	<	} catch (ExecutionException success) {
456	<	Throwable cause = success.getCause();
457	<	assertTrue(cause instanceof NullPointerException);
458	<	}
365	>	List<Future<String>> futures = e.invokeAll(l);
366	>	assertEquals(1, futures.size());
367	>	try {
368	>	futures.get(0).get();
369	>	shouldThrow();
370	>	} catch (ExecutionException success) {
371	>	assertTrue(success.getCause() instanceof NullPointerException);
372		}
460	–	} finally {
461	–	joinPool(e);
373		}
374		}
375
#	Line 466 | 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	<	ArrayList<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>> result = e.invokeAll(l);
386	<	assertEquals(2, result.size());
387	<	for (Future<String> future : result)
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());
478	–	} finally {
479	–	joinPool(e);
389		}
390		}
391
483	–
392		/**
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, TimeUnit.MILLISECONDS);
399	<	shouldThrow();
400	<	} catch (NullPointerException success) {
401	<	} finally {
494	<	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	<	try {
411	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
414	<	shouldThrow();
415	<	} catch (NullPointerException success) {
416	<	} finally {
510	<	joinPool(e);
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, TimeUnit.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 529 | Line 436 | public class AbstractExecutorServiceTest
436		* timed invokeAny(c) throws NPE if c has null elements
437		*/
438		public void testTimedInvokeAny3() throws Exception {
439	<	final CountDownLatch latch = new CountDownLatch(1);
440	<	ExecutorService e = new DirectExecutorService();
441	<	try {
442	<	ArrayList<Callable<Integer>> l
443	<	= new ArrayList<Callable<Integer>>();
537	<	l.add(new Callable<Integer>() {
538	<	public Integer call() { return 5/0; }});
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	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
446	<	shouldThrow();
447	<	} catch (NullPointerException success) {
448	<	} finally {
544	<	latch.countDown();
545	<	joinPool(e);
445	>	try {
446	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
447	>	shouldThrow();
448	>	} catch (NullPointerException success) {}
449		}
450		}
451
#	Line 550 | 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	<	try {
458	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
462	<	shouldThrow();
463	<	} catch (ExecutionException success) {
464	<	assertTrue(success.getCause() instanceof NullPointerException);
465	<	} finally {
466	<	joinPool(e);
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 567 | 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	<	ArrayList<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, TimeUnit.MILLISECONDS);
481	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
482		assertSame(TEST_STRING, result);
483	<	} finally {
578	<	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, TimeUnit.MILLISECONDS);
494	<	shouldThrow();
495	<	} catch (NullPointerException success) {
496	<	} finally {
592	<	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 597 | 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	<	try {
506	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
509	<	shouldThrow();
510	<	} catch (NullPointerException success) {
511	<	} finally {
608	<	joinPool(e);
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, TimeUnit.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());
620	–	} finally {
621	–	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	<	try {
535	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
539	<	shouldThrow();
540	<	} catch (NullPointerException success) {
541	<	} finally {
638	<	joinPool(e);
538	>	try {
539	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542		}
543		}
544
#	Line 643 | 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	<	ArrayList<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>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
554	<	assertEquals(1, result.size());
555	<	for (Future<String> future : result) {
556	<	try {
557	<	future.get();
558	<	} catch (ExecutionException success) {
559	<	assertTrue(success.getCause() instanceof NullPointerException);
560	<	}
553	>	List<Future<String>> futures =
554	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
555	>	assertEquals(1, futures.size());
556	>	try {
557	>	futures.get(0).get();
558	>	shouldThrow();
559	>	} catch (ExecutionException success) {
560	>	assertTrue(success.getCause() instanceof NullPointerException);
561		}
659	–	} finally {
660	–	joinPool(e);
562		}
563		}
564
#	Line 665 | 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	<	ArrayList<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>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
575	<	assertEquals(2, result.size());
576	<	for (Future<String> future : result)
574	>	List<Future<String>> futures =
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());
677	–	} finally {
678	–	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	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
589	<	l.add(new StringTask());
590	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
591	<	l.add(new StringTask());
592	<	List<Future<String>> result = e.invokeAll(l, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
593	<	assertEquals(3, result.size());
594	<	Iterator<Future<String>> it = result.iterator();
595	<	Future<String> f1 = it.next();
596	<	Future<String> f2 = it.next();
597	<	Future<String> f3 = it.next();
598	<	assertTrue(f1.isDone());
599	<	assertFalse(f1.isCancelled());
600	<	assertTrue(f2.isDone());
601	<	assertTrue(f3.isDone());
602	<	assertTrue(f3.isCancelled());
603	<	} finally {
604	<	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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