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

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.20 by jsr166, Sat Nov 21 02:33:20 2009 UTC vs.
Revision 1.40 by jsr166, Sun Oct 4 18:18:48 2015 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	–
10	–	import junit.framework.*;
11	–	import java.util.*;
12	–	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.Collections;
15	>	import java.util.List;
16	>	import java.util.concurrent.AbstractExecutorService;
17	>	import java.util.concurrent.ArrayBlockingQueue;
18	>	import java.util.concurrent.Callable;
19	>	import java.util.concurrent.CancellationException;
20	>	import java.util.concurrent.CountDownLatch;
21	>	import java.util.concurrent.ExecutionException;
22	>	import java.util.concurrent.Executors;
23	>	import java.util.concurrent.ExecutorService;
24	>	import java.util.concurrent.Future;
25	>	import java.util.concurrent.ThreadPoolExecutor;
26	>	import java.util.concurrent.TimeUnit;
27	>	import java.util.concurrent.atomic.AtomicBoolean;
28	>
29	>	import junit.framework.Test;
30	>	import junit.framework.TestSuite;
31
32		public class AbstractExecutorServiceTest extends JSR166TestCase {
33		public static void main(String[] args) {
34	<	junit.textui.TestRunner.run (suite());
34	>	main(suite(), args);
35		}
36		public static Test suite() {
37		return new TestSuite(AbstractExecutorServiceTest.class);
#	Line 29 | Line 44 | public class AbstractExecutorServiceTest
44		static class DirectExecutorService extends AbstractExecutorService {
45		public void execute(Runnable r) { r.run(); }
46		public void shutdown() { shutdown = true; }
47	<	public List<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; }
47	>	public List<Runnable> shutdownNow() {
48	>	shutdown = true;
49	>	return Collections.EMPTY_LIST;
50	>	}
51		public boolean isShutdown() { return shutdown; }
52		public boolean isTerminated() { return isShutdown(); }
53	<	public boolean awaitTermination(long timeout, TimeUnit unit) { return isShutdown(); }
53	>	public boolean awaitTermination(long timeout, TimeUnit unit) {
54	>	return isShutdown();
55	>	}
56		private volatile boolean shutdown = false;
57		}
58
#	Line 41 | Line 61 | public class AbstractExecutorServiceTest
61		*/
62		public void testExecuteRunnable() throws Exception {
63		ExecutorService e = new DirectExecutorService();
64	<	TrackedShortRunnable task = new TrackedShortRunnable();
65	<	assertFalse(task.done);
66	<	Future<?> future = e.submit(task);
67	<	future.get();
68	<	assertTrue(task.done);
64	>	final AtomicBoolean done = new AtomicBoolean(false);
65	>	Future<?> future = e.submit(new CheckedRunnable() {
66	>	public void realRun() {
67	>	done.set(true);
68	>	}});
69	>	assertNull(future.get());
70	>	assertNull(future.get(0, MILLISECONDS));
71	>	assertTrue(done.get());
72	>	assertTrue(future.isDone());
73	>	assertFalse(future.isCancelled());
74		}
75
51	–
76		/**
77		* Completed submit(callable) returns result
78		*/
#	Line 79 | Line 103 | public class AbstractExecutorServiceTest
103		assertSame(TEST_STRING, result);
104		}
105
82	–
106		/**
107	<	* A submitted privileged action to completion
107	>	* A submitted privileged action runs to completion
108		*/
109		public void testSubmitPrivilegedAction() throws Exception {
110	<	Policy savedPolicy = null;
111	<	try {
112	<	savedPolicy = Policy.getPolicy();
113	<	AdjustablePolicy policy = new AdjustablePolicy();
91	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
92	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
93	<	Policy.setPolicy(policy);
94	<	} catch (AccessControlException ok) {
95	<	return;
96	<	}
97	<	try {
98	<	ExecutorService e = new DirectExecutorService();
99	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
110	>	Runnable r = new CheckedRunnable() {
111	>	public void realRun() throws Exception {
112	>	ExecutorService e = new DirectExecutorService();
113	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
114		public Object run() {
115		return TEST_STRING;
116		}}));
117
118	<	Object result = future.get();
119	<	assertSame(TEST_STRING, result);
120	<	}
121	<	finally {
122	<	try {
123	<	Policy.setPolicy(savedPolicy);
124	<	} catch (AccessControlException ok) {
111	<	return;
112	<	}
113	<	}
118	>	assertSame(TEST_STRING, future.get());
119	>	}};
120	>
121	>	runWithPermissions(r,
122	>	new RuntimePermission("getClassLoader"),
123	>	new RuntimePermission("setContextClassLoader"),
124	>	new RuntimePermission("modifyThread"));
125		}
126
127		/**
128	<	* A submitted a privileged exception action runs to completion
128	>	* A submitted privileged exception action runs to completion
129		*/
130		public void testSubmitPrivilegedExceptionAction() throws Exception {
131	<	Policy savedPolicy = null;
132	<	try {
133	<	savedPolicy = Policy.getPolicy();
134	<	AdjustablePolicy policy = new AdjustablePolicy();
124	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
125	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
126	<	Policy.setPolicy(policy);
127	<	} catch (AccessControlException ok) {
128	<	return;
129	<	}
130	<
131	<	try {
132	<	ExecutorService e = new DirectExecutorService();
133	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
131	>	Runnable r = new CheckedRunnable() {
132	>	public void realRun() throws Exception {
133	>	ExecutorService e = new DirectExecutorService();
134	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
135		public Object run() {
136		return TEST_STRING;
137		}}));
138
139	<	Object result = future.get();
140	<	assertSame(TEST_STRING, result);
141	<	}
142	<	finally {
142	<	Policy.setPolicy(savedPolicy);
143	<	}
139	>	assertSame(TEST_STRING, future.get());
140	>	}};
141	>
142	>	runWithPermissions(r);
143		}
144
145		/**
146		* A submitted failed privileged exception action reports exception
147		*/
148		public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
149	<	Policy savedPolicy = null;
150	<	try {
151	<	savedPolicy = Policy.getPolicy();
152	<	AdjustablePolicy policy = new AdjustablePolicy();
154	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
155	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
156	<	Policy.setPolicy(policy);
157	<	} catch (AccessControlException ok) {
158	<	return;
159	<	}
160	<
161	<	try {
162	<	ExecutorService e = new DirectExecutorService();
163	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
149	>	Runnable r = new CheckedRunnable() {
150	>	public void realRun() throws Exception {
151	>	ExecutorService e = new DirectExecutorService();
152	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
153		public Object run() throws Exception {
154		throw new IndexOutOfBoundsException();
155		}}));
156
157	<	future.get();
158	<	shouldThrow();
159	<	} catch (ExecutionException success) {
160	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
161	<	}
162	<	finally {
163	<	Policy.setPolicy(savedPolicy);
164	<	}
157	>	try {
158	>	future.get();
159	>	shouldThrow();
160	>	} catch (ExecutionException success) {
161	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
162	>	}}};
163	>
164	>	runWithPermissions(r);
165		}
166
167		/**
168		* execute(null runnable) throws NPE
169		*/
170		public void testExecuteNullRunnable() {
171	+	ExecutorService e = new DirectExecutorService();
172		try {
183	–	ExecutorService e = new DirectExecutorService();
173		e.submit((Runnable) null);
174		shouldThrow();
175		} catch (NullPointerException success) {}
176		}
177
189	–
178		/**
179		* submit(null callable) throws NPE
180		*/
181		public void testSubmitNullCallable() {
182	+	ExecutorService e = new DirectExecutorService();
183		try {
195	–	ExecutorService e = new DirectExecutorService();
184		e.submit((Callable) null);
185		shouldThrow();
186		} catch (NullPointerException success) {}
187		}
188
189		/**
190	<	* submit(runnable) throws RejectedExecutionException if
203	<	* executor is saturated.
204	<	*/
205	<	public void testExecute1() {
206	<	ThreadPoolExecutor p =
207	<	new ThreadPoolExecutor(1, 1,
208	<	60, TimeUnit.SECONDS,
209	<	new ArrayBlockingQueue<Runnable>(1));
210	<	try {
211	<	for (int i = 0; i < 2; ++i)
212	<	p.submit(new MediumRunnable());
213	<	for (int i = 0; i < 2; ++i) {
214	<	try {
215	<	p.submit(new MediumRunnable());
216	<	shouldThrow();
217	<	} catch (RejectedExecutionException success) {}
218	<	}
219	<	} finally {
220	<	joinPool(p);
221	<	}
222	<	}
223	<
224	<	/**
225	<	* submit(callable) throws RejectedExecutionException
226	<	* if executor is saturated.
227	<	*/
228	<	public void testExecute2() {
229	<	ThreadPoolExecutor p =
230	<	new ThreadPoolExecutor(1, 1,
231	<	60, TimeUnit.SECONDS,
232	<	new ArrayBlockingQueue<Runnable>(1));
233	<	try {
234	<	for (int i = 0; i < 2; ++i)
235	<	p.submit(new MediumRunnable());
236	<	for (int i = 0; i < 2; ++i) {
237	<	try {
238	<	p.submit(new SmallCallable());
239	<	shouldThrow();
240	<	} catch (RejectedExecutionException success) {}
241	<	}
242	<	} finally {
243	<	joinPool(p);
244	<	}
245	<	}
246	<
247	<
248	<	/**
249	<	*  Blocking on submit(callable) throws InterruptedException if
250	<	*  caller interrupted.
190	>	* submit(callable).get() throws InterruptedException if interrupted
191		*/
192		public void testInterruptedSubmit() throws InterruptedException {
193	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
194	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
195	<	public void realRun() throws Exception {
196	<	p.submit(new CheckedCallable<Object>() {
197	<	public Object realCall()
198	<	throws InterruptedException {
199	<	Thread.sleep(SMALL_DELAY_MS);
200	<	return null;
201	<	}}).get();
202	<	}});
203	<
204	<	t.start();
205	<	Thread.sleep(SHORT_DELAY_MS);
206	<	t.interrupt();
207	<	joinPool(p);
208	<	}
209	<
210	<	/**
211	<	*  get of submitted callable throws InterruptedException if callable
212	<	*  interrupted
213	<	*/
214	<	public void testSubmitIE() throws InterruptedException {
215	<	final ThreadPoolExecutor p =
276	<	new ThreadPoolExecutor(1, 1,
277	<	60, TimeUnit.SECONDS,
278	<	new ArrayBlockingQueue<Runnable>(10));
279	<
280	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
281	<	public void realRun() throws Exception {
282	<	p.submit(new SmallCallable()).get();
283	<	}});
284	<
285	<	t.start();
286	<	Thread.sleep(SHORT_DELAY_MS);
287	<	t.interrupt();
288	<	t.join();
289	<	joinPool(p);
193	>	final CountDownLatch submitted    = new CountDownLatch(1);
194	>	final CountDownLatch quittingTime = new CountDownLatch(1);
195	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
196	>	public Void realCall() throws InterruptedException {
197	>	quittingTime.await();
198	>	return null;
199	>	}};
200	>	final ExecutorService p
201	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
202	>	new ArrayBlockingQueue<Runnable>(10));
203	>	try (PoolCleaner cleaner = cleaner(p)) {
204	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
205	>	public void realRun() throws Exception {
206	>	Future<Void> future = p.submit(awaiter);
207	>	submitted.countDown();
208	>	future.get();
209	>	}});
210	>	t.start();
211	>	submitted.await();
212	>	t.interrupt();
213	>	t.join();
214	>	quittingTime.countDown();
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		}
311	–	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) {
324	<	} finally {
325	<	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
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) {
339	<	} finally {
340	<	joinPool(e);
255	>	public void testInvokeAny2() throws Exception {
256	>	final ExecutorService e = new DirectExecutorService();
257	>	try (PoolCleaner cleaner = cleaner(e)) {
258	>	try {
259	>	e.invokeAny(new ArrayList<Callable<String>>());
260	>	shouldThrow();
261	>	} catch (IllegalArgumentException success) {}
262		}
263		}
264
#	Line 345 | Line 266 | public class AbstractExecutorServiceTest
266		* invokeAny(c) throws NPE if c has null elements
267		*/
268		public void testInvokeAny3() throws Exception {
269	<	final CountDownLatch latch = new CountDownLatch(1);
270	<	ExecutorService e = new DirectExecutorService();
271	<	try {
272	<	ArrayList<Callable<Integer>> l
273	<	= new ArrayList<Callable<Integer>>();
353	<	l.add(new Callable<Integer>() {
354	<	public Integer call() { return 5/0; }});
269	>	final ExecutorService e = new DirectExecutorService();
270	>	try (PoolCleaner cleaner = cleaner(e)) {
271	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
272	>	l.add(new Callable<Long>() {
273	>	public Long call() { throw new ArithmeticException(); }});
274		l.add(null);
275	<	e.invokeAny(l);
276	<	shouldThrow();
277	<	} catch (NullPointerException success) {
278	<	} finally {
360	<	latch.countDown();
361	<	joinPool(e);
275	>	try {
276	>	e.invokeAny(l);
277	>	shouldThrow();
278	>	} catch (NullPointerException success) {}
279		}
280		}
281
#	Line 366 | Line 283 | public class AbstractExecutorServiceTest
283		* invokeAny(c) throws ExecutionException if no task in c completes
284		*/
285		public void testInvokeAny4() throws InterruptedException {
286	<	ExecutorService e = new DirectExecutorService();
287	<	try {
288	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
286	>	final ExecutorService e = new DirectExecutorService();
287	>	try (PoolCleaner cleaner = cleaner(e)) {
288	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
289		l.add(new NPETask());
290	<	e.invokeAny(l);
291	<	shouldThrow();
292	<	} catch (ExecutionException success) {
293	<	assertTrue(success.getCause() instanceof NullPointerException);
294	<	} finally {
295	<	joinPool(e);
290	>	try {
291	>	e.invokeAny(l);
292	>	shouldThrow();
293	>	} catch (ExecutionException success) {
294	>	assertTrue(success.getCause() instanceof NullPointerException);
295	>	}
296		}
297		}
298
#	Line 383 | Line 300 | public class AbstractExecutorServiceTest
300		* invokeAny(c) returns result of some task in c if at least one completes
301		*/
302		public void testInvokeAny5() throws Exception {
303	<	ExecutorService e = new DirectExecutorService();
304	<	try {
305	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
303	>	final ExecutorService e = new DirectExecutorService();
304	>	try (PoolCleaner cleaner = cleaner(e)) {
305	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
306		l.add(new StringTask());
307		l.add(new StringTask());
308		String result = e.invokeAny(l);
309		assertSame(TEST_STRING, result);
393	–	} finally {
394	–	joinPool(e);
310		}
311		}
312
#	Line 399 | Line 314 | public class AbstractExecutorServiceTest
314		* invokeAll(null) throws NPE
315		*/
316		public void testInvokeAll1() throws InterruptedException {
317	<	ExecutorService e = new DirectExecutorService();
318	<	try {
319	<	e.invokeAll(null);
320	<	shouldThrow();
321	<	} catch (NullPointerException success) {
322	<	} finally {
408	<	joinPool(e);
317	>	final ExecutorService e = new DirectExecutorService();
318	>	try (PoolCleaner cleaner = cleaner(e)) {
319	>	try {
320	>	e.invokeAll(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323		}
324		}
325
#	Line 413 | Line 327 | public class AbstractExecutorServiceTest
327		* invokeAll(empty collection) returns empty collection
328		*/
329		public void testInvokeAll2() throws InterruptedException {
330	<	ExecutorService e = new DirectExecutorService();
331	<	try {
330	>	final ExecutorService e = new DirectExecutorService();
331	>	try (PoolCleaner cleaner = cleaner(e)) {
332		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
333		assertTrue(r.isEmpty());
420	–	} finally {
421	–	joinPool(e);
334		}
335		}
336
#	Line 426 | Line 338 | public class AbstractExecutorServiceTest
338		* invokeAll(c) throws NPE if c has null elements
339		*/
340		public void testInvokeAll3() throws InterruptedException {
341	<	ExecutorService e = new DirectExecutorService();
342	<	try {
343	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
341	>	final ExecutorService e = new DirectExecutorService();
342	>	try (PoolCleaner cleaner = cleaner(e)) {
343	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
344		l.add(new StringTask());
345		l.add(null);
346	<	e.invokeAll(l);
347	<	shouldThrow();
348	<	} catch (NullPointerException success) {
349	<	} finally {
438	<	joinPool(e);
346	>	try {
347	>	e.invokeAll(l);
348	>	shouldThrow();
349	>	} catch (NullPointerException success) {}
350		}
351		}
352
#	Line 443 | Line 354 | public class AbstractExecutorServiceTest
354		* get of returned element of invokeAll(c) throws exception on failed task
355		*/
356		public void testInvokeAll4() throws Exception {
357	<	ExecutorService e = new DirectExecutorService();
358	<	try {
359	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
357	>	final ExecutorService e = new DirectExecutorService();
358	>	try (PoolCleaner cleaner = cleaner(e)) {
359	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
360		l.add(new NPETask());
361	<	List<Future<String>> result = e.invokeAll(l);
362	<	assertEquals(1, result.size());
363	<	for (Future<String> future : result) {
364	<	try {
365	<	future.get();
366	<	shouldThrow();
367	<	} catch (ExecutionException success) {
457	<	Throwable cause = success.getCause();
458	<	assertTrue(cause instanceof NullPointerException);
459	<	}
361	>	List<Future<String>> futures = e.invokeAll(l);
362	>	assertEquals(1, futures.size());
363	>	try {
364	>	futures.get(0).get();
365	>	shouldThrow();
366	>	} catch (ExecutionException success) {
367	>	assertTrue(success.getCause() instanceof NullPointerException);
368		}
461	–	} finally {
462	–	joinPool(e);
369		}
370		}
371
#	Line 467 | Line 373 | public class AbstractExecutorServiceTest
373		* invokeAll(c) returns results of all completed tasks in c
374		*/
375		public void testInvokeAll5() throws Exception {
376	<	ExecutorService e = new DirectExecutorService();
377	<	try {
378	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
376	>	final ExecutorService e = new DirectExecutorService();
377	>	try (PoolCleaner cleaner = cleaner(e)) {
378	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
379		l.add(new StringTask());
380		l.add(new StringTask());
381	<	List<Future<String>> result = e.invokeAll(l);
382	<	assertEquals(2, result.size());
383	<	for (Future<String> future : result)
381	>	List<Future<String>> futures = e.invokeAll(l);
382	>	assertEquals(2, futures.size());
383	>	for (Future<String> future : futures)
384		assertSame(TEST_STRING, future.get());
479	–	} finally {
480	–	joinPool(e);
385		}
386		}
387
484	–
388		/**
389		* timed invokeAny(null) throws NPE
390		*/
391		public void testTimedInvokeAny1() throws Exception {
392	<	ExecutorService e = new DirectExecutorService();
393	<	try {
394	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
395	<	shouldThrow();
396	<	} catch (NullPointerException success) {
397	<	} finally {
495	<	joinPool(e);
392	>	final ExecutorService e = new DirectExecutorService();
393	>	try (PoolCleaner cleaner = cleaner(e)) {
394	>	try {
395	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
396	>	shouldThrow();
397	>	} catch (NullPointerException success) {}
398		}
399		}
400
#	Line 500 | Line 402 | public class AbstractExecutorServiceTest
402		* timed invokeAny(null time unit) throws NPE
403		*/
404		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
405	<	ExecutorService e = new DirectExecutorService();
406	<	try {
407	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
405	>	final ExecutorService e = new DirectExecutorService();
406	>	try (PoolCleaner cleaner = cleaner(e)) {
407	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
408		l.add(new StringTask());
409	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
410	<	shouldThrow();
411	<	} catch (NullPointerException success) {
412	<	} finally {
511	<	joinPool(e);
409	>	try {
410	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
411	>	shouldThrow();
412	>	} catch (NullPointerException success) {}
413		}
414		}
415
#	Line 516 | Line 417 | public class AbstractExecutorServiceTest
417		* timed invokeAny(empty collection) throws IAE
418		*/
419		public void testTimedInvokeAny2() throws Exception {
420	<	ExecutorService e = new DirectExecutorService();
421	<	try {
422	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
423	<	shouldThrow();
424	<	} catch (IllegalArgumentException success) {
425	<	} finally {
426	<	joinPool(e);
420	>	final ExecutorService e = new DirectExecutorService();
421	>	try (PoolCleaner cleaner = cleaner(e)) {
422	>	try {
423	>	e.invokeAny(new ArrayList<Callable<String>>(),
424	>	MEDIUM_DELAY_MS, MILLISECONDS);
425	>	shouldThrow();
426	>	} catch (IllegalArgumentException success) {}
427		}
428		}
429
#	Line 530 | Line 431 | public class AbstractExecutorServiceTest
431		* timed invokeAny(c) throws NPE if c has null elements
432		*/
433		public void testTimedInvokeAny3() throws Exception {
434	<	final CountDownLatch latch = new CountDownLatch(1);
435	<	ExecutorService e = new DirectExecutorService();
436	<	try {
437	<	ArrayList<Callable<Integer>> l
438	<	= new ArrayList<Callable<Integer>>();
538	<	l.add(new Callable<Integer>() {
539	<	public Integer call() { return 5/0; }});
434	>	final ExecutorService e = new DirectExecutorService();
435	>	try (PoolCleaner cleaner = cleaner(e)) {
436	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
437	>	l.add(new Callable<Long>() {
438	>	public Long call() { throw new ArithmeticException(); }});
439		l.add(null);
440	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
441	<	shouldThrow();
442	<	} catch (NullPointerException success) {
443	<	} finally {
545	<	latch.countDown();
546	<	joinPool(e);
440	>	try {
441	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
442	>	shouldThrow();
443	>	} catch (NullPointerException success) {}
444		}
445		}
446
#	Line 551 | Line 448 | public class AbstractExecutorServiceTest
448		* timed invokeAny(c) throws ExecutionException if no task completes
449		*/
450		public void testTimedInvokeAny4() throws Exception {
451	<	ExecutorService e = new DirectExecutorService();
452	<	try {
453	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
451	>	final ExecutorService e = new DirectExecutorService();
452	>	try (PoolCleaner cleaner = cleaner(e)) {
453	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
454		l.add(new NPETask());
455	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
456	<	shouldThrow();
457	<	} catch (ExecutionException success) {
458	<	assertTrue(success.getCause() instanceof NullPointerException);
459	<	} finally {
460	<	joinPool(e);
455	>	try {
456	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
457	>	shouldThrow();
458	>	} catch (ExecutionException success) {
459	>	assertTrue(success.getCause() instanceof NullPointerException);
460	>	}
461		}
462		}
463
#	Line 568 | Line 465 | public class AbstractExecutorServiceTest
465		* timed invokeAny(c) returns result of some task in c
466		*/
467		public void testTimedInvokeAny5() throws Exception {
468	<	ExecutorService e = new DirectExecutorService();
469	<	try {
470	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
468	>	final ExecutorService e = new DirectExecutorService();
469	>	try (PoolCleaner cleaner = cleaner(e)) {
470	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
471		l.add(new StringTask());
472		l.add(new StringTask());
473		String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
474		assertSame(TEST_STRING, result);
578	–	} finally {
579	–	joinPool(e);
475		}
476		}
477
#	Line 584 | Line 479 | public class AbstractExecutorServiceTest
479		* timed invokeAll(null) throws NPE
480		*/
481		public void testTimedInvokeAll1() throws InterruptedException {
482	<	ExecutorService e = new DirectExecutorService();
483	<	try {
484	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
485	<	shouldThrow();
486	<	} catch (NullPointerException success) {
487	<	} finally {
593	<	joinPool(e);
482	>	final ExecutorService e = new DirectExecutorService();
483	>	try (PoolCleaner cleaner = cleaner(e)) {
484	>	try {
485	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
486	>	shouldThrow();
487	>	} catch (NullPointerException success) {}
488		}
489		}
490
#	Line 598 | Line 492 | public class AbstractExecutorServiceTest
492		* timed invokeAll(null time unit) throws NPE
493		*/
494		public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
495	<	ExecutorService e = new DirectExecutorService();
496	<	try {
497	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
495	>	final ExecutorService e = new DirectExecutorService();
496	>	try (PoolCleaner cleaner = cleaner(e)) {
497	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
498		l.add(new StringTask());
499	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
500	<	shouldThrow();
501	<	} catch (NullPointerException success) {
502	<	} finally {
609	<	joinPool(e);
499	>	try {
500	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
501	>	shouldThrow();
502	>	} catch (NullPointerException success) {}
503		}
504		}
505
#	Line 614 | Line 507 | public class AbstractExecutorServiceTest
507		* timed invokeAll(empty collection) returns empty collection
508		*/
509		public void testTimedInvokeAll2() throws InterruptedException {
510	<	ExecutorService e = new DirectExecutorService();
511	<	try {
510	>	final ExecutorService e = new DirectExecutorService();
511	>	try (PoolCleaner cleaner = cleaner(e)) {
512		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
513		assertTrue(r.isEmpty());
621	–	} finally {
622	–	joinPool(e);
514		}
515		}
516
#	Line 627 | Line 518 | public class AbstractExecutorServiceTest
518		* timed invokeAll(c) throws NPE if c has null elements
519		*/
520		public void testTimedInvokeAll3() throws InterruptedException {
521	<	ExecutorService e = new DirectExecutorService();
522	<	try {
523	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
521	>	final ExecutorService e = new DirectExecutorService();
522	>	try (PoolCleaner cleaner = cleaner(e)) {
523	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
524		l.add(new StringTask());
525		l.add(null);
526	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
527	<	shouldThrow();
528	<	} catch (NullPointerException success) {
529	<	} finally {
639	<	joinPool(e);
526	>	try {
527	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
528	>	shouldThrow();
529	>	} catch (NullPointerException success) {}
530		}
531		}
532
#	Line 644 | 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	<	ArrayList<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<Callable<String>>();
540		l.add(new NPETask());
541	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
542	<	assertEquals(1, result.size());
543	<	for (Future<String> future : result) {
544	<	try {
545	<	future.get();
546	<	} catch (ExecutionException success) {
547	<	assertTrue(success.getCause() instanceof NullPointerException);
548	<	}
541	>	List<Future<String>> futures =
542	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
543	>	assertEquals(1, futures.size());
544	>	try {
545	>	futures.get(0).get();
546	>	shouldThrow();
547	>	} catch (ExecutionException success) {
548	>	assertTrue(success.getCause() instanceof NullPointerException);
549		}
660	–	} finally {
661	–	joinPool(e);
550		}
551		}
552
#	Line 666 | 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	<	ArrayList<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<Callable<String>>();
560		l.add(new StringTask());
561		l.add(new StringTask());
562	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
563	<	assertEquals(2, result.size());
564	<	for (Future<String> future : result)
562	>	List<Future<String>> futures =
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());
678	–	} finally {
679	–	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	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
577	<	l.add(new StringTask());
578	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
579	<	l.add(new StringTask());
580	<	List<Future<String>> result = e.invokeAll(l, SMALL_DELAY_MS, MILLISECONDS);
581	<	assertEquals(3, result.size());
582	<	Iterator<Future<String>> it = result.iterator();
583	<	Future<String> f1 = it.next();
584	<	Future<String> f2 = it.next();
585	<	Future<String> f3 = it.next();
586	<	assertTrue(f1.isDone());
587	<	assertFalse(f1.isCancelled());
588	<	assertTrue(f2.isDone());
589	<	assertTrue(f3.isDone());
590	<	assertTrue(f3.isCancelled());
591	<	} finally {
592	<	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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