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

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.6 by dl, Mon Dec 22 00:48:55 2003 UTC vs.
Revision 1.46 by jsr166, Mon May 29 22:44:26 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(AbstractExecutorServiceTest.class);
39		}
40
41	<	/**
41	>	/**
42		* A no-frills implementation of AbstractExecutorService, designed
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		/**
61	<	* execute of runnable runs it to completion
61	>	* execute(runnable) runs it to completion
62		*/
63	<	public void testExecuteRunnable() {
64	<	try {
65	<	ExecutorService e = new DirectExecutorService();
66	<	TrackedShortRunnable task = new TrackedShortRunnable();
67	<	assertFalse(task.done);
68	<	Future<?> future = e.submit(task);
69	<	future.get();
70	<	assertTrue(task.done);
71	<	}
72	<	catch (ExecutionException ex) {
73	<	unexpectedException();
74	<	}
52	<	catch (InterruptedException ex) {
53	<	unexpectedException();
54	<	}
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
57	–
77		/**
78	<	* completed submit of callable returns result
78	>	* Completed submit(callable) returns result
79		*/
80	<	public void testSubmitCallable() {
81	<	try {
82	<	ExecutorService e = new DirectExecutorService();
83	<	Future<String> future = e.submit(new StringTask());
84	<	String result = future.get();
66	<	assertSame(TEST_STRING, result);
67	<	}
68	<	catch (ExecutionException ex) {
69	<	unexpectedException();
70	<	}
71	<	catch (InterruptedException ex) {
72	<	unexpectedException();
73	<	}
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	<	* completed submit of runnable returns successfully
88	>	* Completed submit(runnable) returns successfully
89		*/
90	<	public void testSubmitRunnable() {
91	<	try {
92	<	ExecutorService e = new DirectExecutorService();
93	<	Future<?> future = e.submit(new NoOpRunnable());
94	<	future.get();
84	<	assertTrue(future.isDone());
85	<	}
86	<	catch (ExecutionException ex) {
87	<	unexpectedException();
88	<	}
89	<	catch (InterruptedException ex) {
90	<	unexpectedException();
91	<	}
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	<	* completed submit of (runnable, result) returns result
98	>	* Completed submit(runnable, result) returns result
99		*/
100	<	public void testSubmitRunnable2() {
101	<	try {
102	<	ExecutorService e = new DirectExecutorService();
103	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
104	<	String result = future.get();
102	<	assertSame(TEST_STRING, result);
103	<	}
104	<	catch (ExecutionException ex) {
105	<	unexpectedException();
106	<	}
107	<	catch (InterruptedException ex) {
108	<	unexpectedException();
109	<	}
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
112	–
107		/**
108	<	* submit of a privileged action runs it to completion
108	>	* A submitted privileged action runs to completion
109		*/
110	<	public void testSubmitPrivilegedAction() {
111	<	Policy savedPolicy = Policy.getPolicy();
112	<	AdjustablePolicy policy = new AdjustablePolicy();
113	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
114	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
121	<	Policy.setPolicy(policy);
122	<	try {
123	<	ExecutorService e = new DirectExecutorService();
124	<	Future future = e.submit(Executors.callable(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		}}));
118
119	<	Object result = future.get();
120	<	assertSame(TEST_STRING, result);
121	<	}
122	<	catch (ExecutionException ex) {
123	<	unexpectedException();
124	<	}
125	<	catch (InterruptedException ex) {
136	<	unexpectedException();
137	<	}
138	<	finally {
139	<	Policy.setPolicy(savedPolicy);
140	<	}
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	<	* submit of a privileged exception action runs it to completion
129	>	* A submitted privileged exception action runs to completion
130		*/
131	<	public void testSubmitPrivilegedExceptionAction() {
132	<	Policy savedPolicy = Policy.getPolicy();
133	<	AdjustablePolicy policy = new AdjustablePolicy();
134	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
135	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
151	<	Policy.setPolicy(policy);
152	<	try {
153	<	ExecutorService e = new DirectExecutorService();
154	<	Future future = e.submit(Executors.callable(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		}}));
139
140	<	Object result = future.get();
141	<	assertSame(TEST_STRING, result);
142	<	}
143	<	catch (ExecutionException ex) {
163	<	unexpectedException();
164	<	}
165	<	catch (InterruptedException ex) {
166	<	unexpectedException();
167	<	}
168	<	finally {
169	<	Policy.setPolicy(savedPolicy);
170	<	}
140	>	assertSame(TEST_STRING, future.get());
141	>	}};
142	>
143	>	runWithPermissions(r);
144		}
145
146		/**
147	<	* submit of a failed privileged exception action reports exception
147	>	* A submitted failed privileged exception action reports exception
148		*/
149	<	public void testSubmitFailedPrivilegedExceptionAction() {
150	<	Policy savedPolicy = Policy.getPolicy();
151	<	AdjustablePolicy policy = new AdjustablePolicy();
152	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
153	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
181	<	Policy.setPolicy(policy);
182	<	try {
183	<	ExecutorService e = new DirectExecutorService();
184	<	Future future = e.submit(Executors.callable(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		}}));
157
158	<	Object result = future.get();
159	<	shouldThrow();
160	<	}
161	<	catch (ExecutionException success) {
162	<	}
163	<	catch (InterruptedException ex) {
164	<	unexpectedException();
165	<	}
197	<	finally {
198	<	Policy.setPolicy(savedPolicy);
199	<	}
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	<	* execute with a null runnable throws NPE
169	>	* execute(null runnable) throws NPE
170		*/
171		public void testExecuteNullRunnable() {
172	+	ExecutorService e = new DirectExecutorService();
173		try {
174	<	ExecutorService e = new DirectExecutorService();
208	<	TrackedShortRunnable task = null;
209	<	Future<?> future = e.submit(task);
174	>	e.submit((Runnable) null);
175		shouldThrow();
176	<	}
212	<	catch (NullPointerException success) {
213	<	}
214	<	catch (Exception ex) {
215	<	unexpectedException();
216	<	}
176	>	} catch (NullPointerException success) {}
177		}
178
219	–
179		/**
180	<	* submit of a null callable throws NPE
180	>	* submit(null callable) throws NPE
181		*/
182		public void testSubmitNullCallable() {
183	+	ExecutorService e = new DirectExecutorService();
184		try {
185	<	ExecutorService e = new DirectExecutorService();
226	<	StringTask t = null;
227	<	Future<String> future = e.submit(t);
185	>	e.submit((Callable) null);
186		shouldThrow();
187	<	}
230	<	catch (NullPointerException success) {
231	<	}
232	<	catch (Exception ex) {
233	<	unexpectedException();
234	<	}
187	>	} catch (NullPointerException success) {}
188		}
189
190		/**
191	<	* submit of Runnable throws RejectedExecutionException if
239	<	* saturated.
191	>	* submit(callable).get() throws InterruptedException if interrupted
192		*/
193	<	public void testExecute1() {
194	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
195	<	try {
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	<	for(int i = 0; i < 5; ++i){
213	<	p.submit(new MediumRunnable());
214	<	}
215	<	shouldThrow();
249	<	} catch(RejectedExecutionException success){}
250	<	joinPool(p);
212	>	await(submitted);
213	>	t.interrupt();
214	>	awaitTermination(t);
215	>	}
216		}
217
218		/**
219	<	* Completed submit of Callable throws RejectedExecutionException
220	<	*  if saturated.
219	>	* get of submit(callable) throws ExecutionException if callable
220	>	* throws exception
221		*/
222	<	public void testExecute2() {
223	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
224	<	try {
225	<	for(int i = 0; i < 5; ++i) {
226	<	p.submit(new SmallCallable());
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	<	shouldThrow();
264	<	} catch(RejectedExecutionException e){}
265	<	joinPool(p);
236	>	}
237		}
238
268	–
239		/**
240	<	*  blocking on submit of Callable throws InterruptedException if
271	<	*  caller interrupted.
240	>	* invokeAny(null) throws NPE
241		*/
242	<	public void testInterruptedSubmit() {
243	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
244	<	Thread t = new Thread(new Runnable() {
245	<	public void run() {
246	<	try {
247	<	p.submit(new Callable<Object>() {
248	<	public Object call() {
249	<	try {
250	<	Thread.sleep(MEDIUM_DELAY_MS);
282	<	shouldThrow();
283	<	} catch(InterruptedException e){
284	<	}
285	<	return null;
286	<	}
287	<	}).get();
288	<	} catch(InterruptedException success){
289	<	} catch(Exception e) {
290	<	unexpectedException();
291	<	}
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	<	});
254	<	try {
255	<	t.start();
256	<	Thread.sleep(SHORT_DELAY_MS);
257	<	t.interrupt();
258	<	} catch(Exception e){
259	<	unexpectedException();
252	>	/**
253	>	* invokeAny(empty collection) throws IllegalArgumentException
254	>	*/
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		}
302	–	joinPool(p);
265		}
266
267		/**
268	<	*  get of submit of Callable throws Exception if callable
307	<	*  interrupted
268	>	* invokeAny(c) throws NPE if c has null elements
269		*/
270	<	public void testSubmitIE() {
271	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
272	<
273	<	final Callable c = new Callable() {
274	<	public Object call() {
275	<	try {
276	<	p.submit(new SmallCallable()).get();
277	<	shouldThrow();
278	<	} catch(InterruptedException e){}
279	<	catch(RejectedExecutionException e2){}
280	<	catch(ExecutionException e3){}
281	<	return Boolean.TRUE;
282	<	}
322	<	};
323	<
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	+	* invokeAny(c) throws ExecutionException if no task in c completes
286	+	*/
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	+	}
299	+	}
300
301	<	Thread t = new Thread(new Runnable() {
302	<	public void run() {
303	<	try {
304	<	c.call();
305	<	} catch(Exception e){}
306	<	}
307	<	});
308	<	try {
309	<	t.start();
310	<	Thread.sleep(SHORT_DELAY_MS);
311	<	t.interrupt();
337	<	t.join();
338	<	} catch(InterruptedException e){
339	<	unexpectedException();
301	>	/**
302	>	* invokeAny(c) returns result of some task in c if at least one completes
303	>	*/
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
315	<	joinPool(p);
315	>	/**
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	<	*  completed submit of Callable throws ExecutionException if
347	<	*  callable throws exception
329	>	* invokeAll(empty collection) returns empty list
330		*/
331	<	public void testSubmitEE() {
332	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
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	>	}
339	>	}
340
341	<	try {
342	<	Callable c = new Callable() {
343	<	public Object call() {
344	<	int i = 5/0;
345	<	return Boolean.TRUE;
346	<	}
347	<	};
341	>	/**
342	>	* invokeAll(c) throws NPE if c has null elements
343	>	*/
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.submit(c).get();
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();
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		}
390	<	catch(ExecutionException success){
391	<	} catch(Exception e) {
392	<	unexpectedException();
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		}
370	–	joinPool(p);
403		}
404
405		/**
406	<	* invokeAny(null) throws NPE
406	>	* timed invokeAny(null time unit) throws NullPointerException
407		*/
408	<	public void testInvokeAny1() {
409	<	ExecutorService e = new DirectExecutorService();
410	<	try {
411	<	e.invokeAny(null);
412	<	} catch (NullPointerException success) {
413	<	} catch(Exception ex) {
414	<	unexpectedException();
415	<	} finally {
416	<	joinPool(e);
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	<	* invokeAny(empty collection) throws IAE
421	>	* timed invokeAny(empty collection) throws IllegalArgumentException
422		*/
423	<	public void testInvokeAny2() {
424	<	ExecutorService e = new DirectExecutorService();
425	<	try {
426	<	e.invokeAny(new ArrayList<Callable<String>>());
427	<	} catch (IllegalArgumentException success) {
428	<	} catch(Exception ex) {
429	<	unexpectedException();
430	<	} finally {
431	<	joinPool(e);
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		/**
436	<	* invokeAny(c) throws NPE if c has null elements
436	>	* timed invokeAny(c) throws NPE if c has null elements
437		*/
438	<	public void testInvokeAny3() {
439	<	ExecutorService e = new DirectExecutorService();
440	<	try {
441	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
442	<	l.add(new StringTask());
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	<	e.invokeAny(l);
446	<	} catch (NullPointerException success) {
447	<	} catch(Exception ex) {
448	<	unexpectedException();
416	<	} finally {
417	<	joinPool(e);
445	>	try {
446	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
447	>	shouldThrow();
448	>	} catch (NullPointerException success) {}
449		}
450		}
451
452		/**
453	<	* invokeAny(c) throws ExecutionException if no task completes
453	>	* timed invokeAny(c) throws ExecutionException if no task completes
454		*/
455	<	public void testInvokeAny4() {
456	<	ExecutorService e = new DirectExecutorService();
457	<	try {
458	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	List<Future<String>> result = e.invokeAll(l);
462	<	assertEquals(1, result.size());
463	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
464	<	it.next().get();
465	<	} catch(ExecutionException success) {
466	<	} catch(Exception ex) {
467	<	unexpectedException();
436	<	} finally {
437	<	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
471		/**
472	<	* invokeAny(c) returns result of some task
472	>	* timed invokeAny(c) returns result of some task in c
473		*/
474	<	public void testInvokeAny5() {
475	<	ExecutorService e = new DirectExecutorService();
476	<	try {
477	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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);
481	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
482		assertSame(TEST_STRING, result);
483	<	} catch (ExecutionException success) {
453	<	} catch(Exception ex) {
454	<	unexpectedException();
455	<	} finally {
456	<	joinPool(e);
483	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
484		}
485		}
486
487		/**
488	<	* invokeAll(null) throws NPE
488	>	* timed invokeAll(null) throws NullPointerException
489		*/
490	<	public void testInvokeAll1() {
491	<	ExecutorService e = new DirectExecutorService();
492	<	try {
493	<	e.invokeAll(null);
494	<	} catch (NullPointerException success) {
495	<	} catch(Exception ex) {
496	<	unexpectedException();
470	<	} finally {
471	<	joinPool(e);
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		/**
501	<	* invokeAll(empty collection) returns empty collection
501	>	* timed invokeAll(null time unit) throws NPE
502		*/
503	<	public void testInvokeAll2() {
504	<	ExecutorService e = new DirectExecutorService();
505	<	try {
506	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
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	>	* timed invokeAll(empty collection) returns empty list
517	>	*/
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());
483	–	} catch(Exception ex) {
484	–	unexpectedException();
485	–	} finally {
486	–	joinPool(e);
526		}
527		}
528
529		/**
530	<	* invokeAll(c) throws NPE if c has null elements
530	>	* timed invokeAll(c) throws NullPointerException if c has null elements
531		*/
532	<	public void testInvokeAll3() {
533	<	ExecutorService e = new DirectExecutorService();
534	<	try {
535	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	e.invokeAll(l);
539	<	} catch (NullPointerException success) {
540	<	} catch(Exception ex) {
541	<	unexpectedException();
503	<	} finally {
504	<	joinPool(e);
538	>	try {
539	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542		}
543		}
544
545		/**
546	<	* get of element of invokeAll(c) throws exception on failed task
546	>	* get of returned element of invokeAll(c) throws exception on failed task
547		*/
548	<	public void testInvokeAll4() {
549	<	ExecutorService e = new DirectExecutorService();
550	<	try {
551	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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>> result = e.invokeAll(l);
554	<	assertEquals(1, result.size());
555	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
556	<	it.next().get();
557	<	} catch(ExecutionException success) {
558	<	} catch(Exception ex) {
559	<	unexpectedException();
560	<	} finally {
561	<	joinPool(e);
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		/**
566	<	* invokeAll(c) returns results of all completed tasks
566	>	* timed invokeAll(c) returns results of all completed tasks in c
567		*/
568	<	public void testInvokeAll5() {
569	<	ExecutorService e = new DirectExecutorService();
570	<	try {
571	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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>> result = e.invokeAll(l);
575	<	assertEquals(2, result.size());
576	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
577	<	assertSame(TEST_STRING, it.next().get());
578	<	} catch (ExecutionException success) {
579	<	} catch(Exception ex) {
580	<	unexpectedException();
581	<	} finally {
582	<	joinPool(e);
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	>	}
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		}
615		}
616

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