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Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.2 by tim, Wed Dec 10 02:24:00 2003 UTC vs.
Revision 1.47 by jsr166, Sun Jul 16 18:05:47 2017 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
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/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	<	public class AbstractExecutorServiceTest extends JSR166TestCase{
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(ExecutorsTest.class);
38	>	return new TestSuite(AbstractExecutorServiceTest.class);
39		}
40
41	<	/**
41	>	/**
42		* A no-frills implementation of AbstractExecutorService, designed
43	<	* to test the submit/invoke methods only.
43	>	* to test the submit methods only.
44		*/
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
60	<	private static final String TEST_STRING = "a test string";
61	<
62	<	private static class StringTask implements Callable<String> {
63	<	public String call() { return TEST_STRING; }
60	>	/**
61	>	* execute(runnable) runs it to completion
62	>	*/
63	>	public void testExecuteRunnable() throws Exception {
64	>	ExecutorService e = new DirectExecutorService();
65	>	final AtomicBoolean done = new AtomicBoolean(false);
66	>	Future<?> future = e.submit(new CheckedRunnable() {
67	>	public void realRun() {
68	>	done.set(true);
69	>	}});
70	>	assertNull(future.get());
71	>	assertNull(future.get(0, MILLISECONDS));
72	>	assertTrue(done.get());
73	>	assertTrue(future.isDone());
74	>	assertFalse(future.isCancelled());
75		}
76
77		/**
78	<	* execute of runnable runs it to completion
78	>	* Completed submit(callable) returns result
79		*/
80	<	public void testExecuteRunnable() {
81	<	try {
82	<	ExecutorService e = new DirectExecutorService();
83	<	TrackedShortRunnable task = new TrackedShortRunnable();
84	<	assertFalse(task.done);
51	<	Future<?> future = e.submit(task);
52	<	future.get();
53	<	assertTrue(task.done);
54	<	}
55	<	catch (ExecutionException ex) {
56	<	unexpectedException();
57	<	}
58	<	catch (InterruptedException ex) {
59	<	unexpectedException();
60	<	}
80	>	public void testSubmitCallable() throws Exception {
81	>	ExecutorService e = new DirectExecutorService();
82	>	Future<String> future = e.submit(new StringTask());
83	>	String result = future.get();
84	>	assertSame(TEST_STRING, result);
85		}
86
87		/**
88	<	* invoke of a runnable runs it to completion
88	>	* Completed submit(runnable) returns successfully
89		*/
90	<	public void testInvokeRunnable() {
91	<	try {
92	<	ExecutorService e = new DirectExecutorService();
93	<	TrackedShortRunnable task = new TrackedShortRunnable();
94	<	assertFalse(task.done);
71	<	e.invoke(task);
72	<	assertTrue(task.done);
73	<	}
74	<	catch (ExecutionException ex) {
75	<	unexpectedException();
76	<	}
77	<	catch (InterruptedException ex) {
78	<	unexpectedException();
79	<	}
90	>	public void testSubmitRunnable() throws Exception {
91	>	ExecutorService e = new DirectExecutorService();
92	>	Future<?> future = e.submit(new NoOpRunnable());
93	>	future.get();
94	>	assertTrue(future.isDone());
95		}
96
97		/**
98	<	* execute of a callable runs it to completion
98	>	* Completed submit(runnable, result) returns result
99		*/
100	<	public void testExecuteCallable() {
101	<	try {
102	<	ExecutorService e = new DirectExecutorService();
103	<	Future<String> future = e.submit(new StringTask());
104	<	String result = future.get();
90	<	assertSame(TEST_STRING, result);
91	<	}
92	<	catch (ExecutionException ex) {
93	<	unexpectedException();
94	<	}
95	<	catch (InterruptedException ex) {
96	<	unexpectedException();
97	<	}
100	>	public void testSubmitRunnable2() throws Exception {
101	>	ExecutorService e = new DirectExecutorService();
102	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
103	>	String result = future.get();
104	>	assertSame(TEST_STRING, result);
105		}
106
100	–
107		/**
108	<	* execute of a privileged action runs it to completion
108	>	* A submitted privileged action runs to completion
109		*/
110	<	public void testExecutePrivilegedAction() {
111	<	Policy savedPolicy = Policy.getPolicy();
112	<	AdjustablePolicy policy = new AdjustablePolicy();
113	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
114	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
109	<	Policy.setPolicy(policy);
110	<	try {
111	<	ExecutorService e = new DirectExecutorService();
112	<	Future future = e.submit(new PrivilegedAction() {
110	>	public void testSubmitPrivilegedAction() throws Exception {
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	<	}});
117	>	}}));
118
119	<	Object result = future.get();
120	<	assertSame(TEST_STRING, result);
121	<	}
122	<	catch (ExecutionException ex) {
123	<	unexpectedException();
124	<	}
125	<	catch (InterruptedException ex) {
124	<	unexpectedException();
125	<	}
126	<	finally {
127	<	Policy.setPolicy(savedPolicy);
128	<	}
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	<	* execute of a privileged exception action runs it to completion
129	>	* A submitted privileged exception action runs to completion
130		*/
131	<	public void testExecutePrivilegedExceptionAction() {
132	<	Policy savedPolicy = Policy.getPolicy();
133	<	AdjustablePolicy policy = new AdjustablePolicy();
134	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
135	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
139	<	Policy.setPolicy(policy);
140	<	try {
141	<	ExecutorService e = new DirectExecutorService();
142	<	Future future = e.submit(new PrivilegedExceptionAction() {
131	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
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	<	}});
138	>	}}));
139
140	<	Object result = future.get();
141	<	assertSame(TEST_STRING, result);
142	<	}
143	<	catch (ExecutionException ex) {
151	<	unexpectedException();
152	<	}
153	<	catch (InterruptedException ex) {
154	<	unexpectedException();
155	<	}
156	<	finally {
157	<	Policy.setPolicy(savedPolicy);
158	<	}
140	>	assertSame(TEST_STRING, future.get());
141	>	}};
142	>
143	>	runWithPermissions(r);
144		}
145
146		/**
147	<	* execute of a failed privileged exception action reports exception
147	>	* A submitted failed privileged exception action reports exception
148		*/
149	<	public void testExecuteFailedPrivilegedExceptionAction() {
150	<	Policy savedPolicy = Policy.getPolicy();
151	<	AdjustablePolicy policy = new AdjustablePolicy();
152	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
153	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
169	<	Policy.setPolicy(policy);
170	<	try {
171	<	ExecutorService e = new DirectExecutorService();
172	<	Future future = e.submit(new PrivilegedExceptionAction() {
149	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
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	<	}});
156	>	}}));
157
158	<	Object result = future.get();
159	<	shouldThrow();
160	<	}
161	<	catch (ExecutionException success) {
162	<	}
163	<	catch (InterruptedException ex) {
164	<	unexpectedException();
165	<	}
166	<	finally {
167	<	Policy.setPolicy(savedPolicy);
158	>	try {
159	>	future.get();
160	>	shouldThrow();
161	>	} catch (ExecutionException success) {
162	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
163	>	}}};
164	>
165	>	runWithPermissions(r);
166	>	}
167	>
168	>	/**
169	>	* Submitting null tasks throws NullPointerException.
170	>	*/
171	>	@SuppressWarnings("FutureReturnValueIgnored")
172	>	public void testNullTaskSubmission() throws Exception {
173	>	final ExecutorService e = new DirectExecutorService();
174	>	try (PoolCleaner cleaner = cleaner(e)) {
175	>	try {
176	>	e.execute((Runnable) null);
177	>	shouldThrow();
178	>	} catch (NullPointerException success) {}
179	>	try {
180	>	e.submit((Runnable) null);
181	>	shouldThrow();
182	>	} catch (NullPointerException success) {}
183	>	try {
184	>	e.submit((Callable) null);
185	>	shouldThrow();
186	>	} catch (NullPointerException success) {}
187		}
188		}
189
190		/**
191	<	* invoke of a collable runs it to completion
192	<	*/
193	<	public void testInvokeCallable() {
194	<	try {
195	<	ExecutorService e = new DirectExecutorService();
196	<	String result = e.invoke(new StringTask());
191	>	* submit(callable).get() throws InterruptedException if interrupted
192	>	*/
193	>	public void testInterruptedSubmit() throws InterruptedException {
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	<	assertSame(TEST_STRING, result);
213	<	}
214	<	catch (ExecutionException ex) {
201	<	unexpectedException();
202	<	}
203	<	catch (InterruptedException ex) {
204	<	unexpectedException();
212	>	await(submitted);
213	>	t.interrupt();
214	>	awaitTermination(t);
215		}
216		}
217
218		/**
219	<	* execute with a null runnable throws NPE
219	>	* get of submit(callable) throws ExecutionException if callable
220	>	* throws exception
221		*/
222	<	public void testExecuteNullRunnable() {
223	<	try {
224	<	ExecutorService e = new DirectExecutorService();
225	<	TrackedShortRunnable task = null;
226	<	Future<?> future = e.submit(task);
227	<	shouldThrow();
228	<	}
229	<	catch (NullPointerException success) {
230	<	}
231	<	catch (Exception ex) {
232	<	unexpectedException();
222	>	public void testSubmitEE() throws InterruptedException {
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(1, 1,
225	>	60, TimeUnit.SECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
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		}
237		}
238
239		/**
240	<	* invoke of a null runnable throws NPE
240	>	* invokeAny(null) throws NPE
241		*/
242	<	public void testInvokeNullRunnable() {
243	<	try {
244	<	ExecutorService e = new DirectExecutorService();
245	<	TrackedShortRunnable task = null;
246	<	e.invoke(task);
247	<	shouldThrow();
248	<	}
235	<	catch (NullPointerException success) {
236	<	}
237	<	catch (Exception ex) {
238	<	unexpectedException();
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	<	* execute of a null callable throws NPE
253	>	* invokeAny(empty collection) throws IllegalArgumentException
254		*/
255	<	public void testExecuteNullCallable() {
256	<	try {
257	<	ExecutorService e = new DirectExecutorService();
258	<	StringTask t = null;
259	<	Future<String> future = e.submit(t);
260	<	shouldThrow();
261	<	}
262	<	catch (NullPointerException success) {
263	<	}
254	<	catch (Exception ex) {
255	<	unexpectedException();
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
267		/**
268	<	* invoke of a null callable throws NPE
268	>	* invokeAny(c) throws NPE if c has null elements
269		*/
270	<	public void testInvokeNullCallable() {
271	<	try {
272	<	ExecutorService e = new DirectExecutorService();
273	<	StringTask t = null;
274	<	String result = e.invoke(t);
275	<	shouldThrow();
276	<	}
277	<	catch (NullPointerException success) {
278	<	}
279	<	catch (Exception ex) {
280	<	unexpectedException();
270	>	public void testInvokeAny3() throws Exception {
271	>	final ExecutorService e = new DirectExecutorService();
272	>	try (PoolCleaner cleaner = cleaner(e)) {
273	>	List<Callable<Long>> l = new ArrayList<>();
274	>	l.add(new Callable<Long>() {
275	>	public Long call() { throw new ArithmeticException(); }});
276	>	l.add(null);
277	>	try {
278	>	e.invokeAny(l);
279	>	shouldThrow();
280	>	} catch (NullPointerException success) {}
281		}
282		}
283
284		/**
285	<	*  execute(Executor, Runnable) throws RejectedExecutionException
278	<	*  if saturated.
285	>	* invokeAny(c) throws ExecutionException if no task in c completes
286		*/
287	<	public void testExecute1() {
288	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
289	<	try {
290	<
291	<	for(int i = 0; i < 5; ++i){
292	<	p.submit(new MediumRunnable());
287	>	public void testInvokeAny4() throws InterruptedException {
288	>	final ExecutorService e = new DirectExecutorService();
289	>	try (PoolCleaner cleaner = cleaner(e)) {
290	>	List<Callable<String>> l = new ArrayList<>();
291	>	l.add(new NPETask());
292	>	try {
293	>	e.invokeAny(l);
294	>	shouldThrow();
295	>	} catch (ExecutionException success) {
296	>	assertTrue(success.getCause() instanceof NullPointerException);
297		}
298	<	shouldThrow();
288	<	} catch(RejectedExecutionException success){}
289	<	joinPool(p);
298	>	}
299		}
300
301		/**
302	<	*  execute(Executor, Callable)throws RejectedExecutionException
294	<	*  if saturated.
302	>	* invokeAny(c) returns result of some task in c if at least one completes
303		*/
304	<	public void testExecute2() {
305	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
306	<	try {
307	<	for(int i = 0; i < 5; ++i) {
308	<	p.submit(new SmallCallable());
309	<	}
310	<	shouldThrow();
311	<	} catch(RejectedExecutionException e){}
312	<	joinPool(p);
304	>	public void testInvokeAny5() throws Exception {
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);
312	>	}
313		}
314
307	–
315		/**
316	<	*  invoke(Executor, Runnable) throws InterruptedException if
317	<	*  caller interrupted.
318	<	*/
319	<	public void testInterruptedInvoke() {
320	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
321	<	Thread t = new Thread(new Runnable() {
322	<	public void run() {
323	<	try {
324	<	p.invoke(new Runnable() {
325	<	public void run() {
326	<	try {
320	<	Thread.sleep(MEDIUM_DELAY_MS);
321	<	shouldThrow();
322	<	} catch(InterruptedException e){
323	<	}
324	<	}
325	<	});
326	<	} catch(InterruptedException success){
327	<	} catch(Exception e) {
328	<	unexpectedException();
329	<	}
316	>	* invokeAll(null) throws NPE
317	>	*/
318	>	public void testInvokeAll1() throws InterruptedException {
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	<	});
330	<	try {
331	<	t.start();
332	<	Thread.sleep(SHORT_DELAY_MS);
333	<	t.interrupt();
334	<	} catch(Exception e){
335	<	unexpectedException();
328	>	/**
329	>	* invokeAll(empty collection) returns empty list
330	>	*/
331	>	public void testInvokeAll2() throws InterruptedException {
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());
338		}
340	–	joinPool(p);
339		}
340
341		/**
342	<	*  invoke(Executor, Runnable) throws ExecutionException if
345	<	*  runnable throws exception.
342	>	* invokeAll(c) throws NPE if c has null elements
343		*/
344	<	public void testInvoke3() {
345	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
346	<	try {
347	<	Runnable r = new Runnable() {
348	<	public void run() {
349	<	int i = 5/0;
350	<	}
351	<	};
344	>	public void testInvokeAll3() throws InterruptedException {
345	>	final ExecutorService e = new DirectExecutorService();
346	>	try (PoolCleaner cleaner = cleaner(e)) {
347	>	List<Callable<String>> l = new ArrayList<>();
348	>	l.add(new StringTask());
349	>	l.add(null);
350	>	try {
351	>	e.invokeAll(l);
352	>	shouldThrow();
353	>	} catch (NullPointerException success) {}
354	>	}
355	>	}
356
357	<	for(int i =0; i < 5; i++){
358	<	p.invoke(r);
357	>	/**
358	>	* get of returned element of invokeAll(c) throws exception on failed task
359	>	*/
360	>	public void testInvokeAll4() throws Exception {
361	>	final ExecutorService e = new DirectExecutorService();
362	>	try (PoolCleaner cleaner = cleaner(e)) {
363	>	List<Callable<String>> l = new ArrayList<>();
364	>	l.add(new NPETask());
365	>	List<Future<String>> futures = e.invokeAll(l);
366	>	assertEquals(1, futures.size());
367	>	try {
368	>	futures.get(0).get();
369	>	shouldThrow();
370	>	} catch (ExecutionException success) {
371	>	assertTrue(success.getCause() instanceof NullPointerException);
372		}
373	+	}
374	+	}
375
376	<	shouldThrow();
377	<	} catch(ExecutionException success){
378	<	} catch(Exception e){
379	<	unexpectedException();
376	>	/**
377	>	* invokeAll(c) returns results of all completed tasks in c
378	>	*/
379	>	public void testInvokeAll5() throws Exception {
380	>	final ExecutorService e = new DirectExecutorService();
381	>	try (PoolCleaner cleaner = cleaner(e)) {
382	>	List<Callable<String>> l = new ArrayList<>();
383	>	l.add(new StringTask());
384	>	l.add(new StringTask());
385	>	List<Future<String>> futures = e.invokeAll(l);
386	>	assertEquals(2, futures.size());
387	>	for (Future<String> future : futures)
388	>	assertSame(TEST_STRING, future.get());
389		}
365	–	joinPool(p);
390		}
391
392	+	/**
393	+	* timed invokeAny(null) throws NPE
394	+	*/
395	+	public void testTimedInvokeAny1() throws Exception {
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 NullPointerException
407	+	*/
408	+	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
409	+	final ExecutorService e = new DirectExecutorService();
410	+	try (PoolCleaner cleaner = cleaner(e)) {
411	+	List<Callable<String>> l = new ArrayList<>();
412	+	l.add(new StringTask());
413	+	try {
414	+	e.invokeAny(l, randomTimeout(), null);
415	+	shouldThrow();
416	+	} catch (NullPointerException success) {}
417	+	}
418	+	}
419
420		/**
421	<	*  invoke(Executor, Callable) throws InterruptedException if
372	<	*  callable throws exception
421	>	* timed invokeAny(empty collection) throws IllegalArgumentException
422		*/
423	<	public void testInvoke5() {
424	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
423	>	public void testTimedInvokeAny2() throws Exception {
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
435	<	final Callable c = new Callable() {
436	<	public Object call() {
437	<	try {
438	<	p.invoke(new SmallCallable());
439	<	shouldThrow();
440	<	} catch(InterruptedException e){}
441	<	catch(RejectedExecutionException e2){}
442	<	catch(ExecutionException e3){}
443	<	return Boolean.TRUE;
444	<	}
445	<	};
435	>	/**
436	>	* timed invokeAny(c) throws NPE if c has null elements
437	>	*/
438	>	public void testTimedInvokeAny3() throws Exception {
439	>	final ExecutorService e = new DirectExecutorService();
440	>	try (PoolCleaner cleaner = cleaner(e)) {
441	>	List<Callable<Long>> l = new ArrayList<>();
442	>	l.add(new Callable<Long>() {
443	>	public Long call() { throw new ArithmeticException(); }});
444	>	l.add(null);
445	>	try {
446	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
447	>	shouldThrow();
448	>	} catch (NullPointerException success) {}
449	>	}
450	>	}
451
452	+	/**
453	+	* timed invokeAny(c) throws ExecutionException if no task completes
454	+	*/
455	+	public void testTimedInvokeAny4() throws Exception {
456	+	final ExecutorService e = new DirectExecutorService();
457	+	try (PoolCleaner cleaner = cleaner(e)) {
458	+	long startTime = System.nanoTime();
459	+	List<Callable<String>> l = new ArrayList<>();
460	+	l.add(new NPETask());
461	+	try {
462	+	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
463	+	shouldThrow();
464	+	} catch (ExecutionException success) {
465	+	assertTrue(success.getCause() instanceof NullPointerException);
466	+	}
467	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
468	+	}
469	+	}
470
471	+	/**
472	+	* timed invokeAny(c) returns result of some task in c
473	+	*/
474	+	public void testTimedInvokeAny5() throws Exception {
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, LONG_DELAY_MS, MILLISECONDS);
482	+	assertSame(TEST_STRING, result);
483	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
484	+	}
485	+	}
486
487	<	Thread t = new Thread(new Runnable() {
488	<	public void run() {
489	<	try {
490	<	c.call();
491	<	} catch(Exception e){}
492	<	}
493	<	});
494	<	try {
495	<	t.start();
496	<	Thread.sleep(SHORT_DELAY_MS);
401	<	t.interrupt();
402	<	t.join();
403	<	} catch(InterruptedException e){
404	<	unexpectedException();
487	>	/**
488	>	* timed invokeAll(null) throws NullPointerException
489	>	*/
490	>	public void testTimedInvokeAll1() throws InterruptedException {
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
500	<	joinPool(p);
500	>	/**
501	>	* timed invokeAll(null time unit) throws NPE
502	>	*/
503	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
504	>	final ExecutorService e = new DirectExecutorService();
505	>	try (PoolCleaner cleaner = cleaner(e)) {
506	>	List<Callable<String>> l = new ArrayList<>();
507	>	l.add(new StringTask());
508	>	try {
509	>	e.invokeAll(l, randomTimeout(), null);
510	>	shouldThrow();
511	>	} catch (NullPointerException success) {}
512	>	}
513		}
514
515		/**
516	<	*  invoke(Executor, Callable) will throw ExecutionException
412	<	*  if callable throws exception
516	>	* timed invokeAll(empty collection) returns empty list
517		*/
518	<	public void testInvoke6() {
519	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
518	>	public void testTimedInvokeAll2() throws InterruptedException {
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());
526	>	}
527	>	}
528
529	<	try {
530	<	Callable c = new Callable() {
531	<	public Object call() {
532	<	int i = 5/0;
533	<	return Boolean.TRUE;
534	<	}
535	<	};
529	>	/**
530	>	* timed invokeAll(c) throws NullPointerException if c has null elements
531	>	*/
532	>	public void testTimedInvokeAll3() throws InterruptedException {
533	>	final ExecutorService e = new DirectExecutorService();
534	>	try (PoolCleaner cleaner = cleaner(e)) {
535	>	List<Callable<String>> l = new ArrayList<>();
536	>	l.add(new StringTask());
537	>	l.add(null);
538	>	try {
539	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542	>	}
543	>	}
544
545	<	for(int i =0; i < 5; i++){
546	<	p.invoke(c);
545	>	/**
546	>	* get of returned element of invokeAll(c) throws exception on failed task
547	>	*/
548	>	public void testTimedInvokeAll4() throws Exception {
549	>	final ExecutorService e = new DirectExecutorService();
550	>	try (PoolCleaner cleaner = cleaner(e)) {
551	>	List<Callable<String>> l = new ArrayList<>();
552	>	l.add(new NPETask());
553	>	List<Future<String>> futures =
554	>	e.invokeAll(l, 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		}
562	+	}
563	+	}
564
565	<	shouldThrow();
565	>	/**
566	>	* timed invokeAll(c) returns results of all completed tasks in c
567	>	*/
568	>	public void testTimedInvokeAll5() throws Exception {
569	>	final ExecutorService e = new DirectExecutorService();
570	>	try (PoolCleaner cleaner = cleaner(e)) {
571	>	List<Callable<String>> l = new ArrayList<>();
572	>	l.add(new StringTask());
573	>	l.add(new StringTask());
574	>	List<Future<String>> futures =
575	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
576	>	assertEquals(2, futures.size());
577	>	for (Future<String> future : futures)
578	>	assertSame(TEST_STRING, future.get());
579		}
580	<	catch(ExecutionException success){
581	<	} catch(Exception e) {
582	<	unexpectedException();
580	>	}
581	>
582	>	/**
583	>	* timed invokeAll cancels tasks not completed by timeout
584	>	*/
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		}
435	–	joinPool(p);
615		}
616
617	<	}
617	>	}

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