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

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.2 by tim, Wed Dec 10 02:24:00 2003 UTC vs.
Revision 1.42 by jsr166, Tue Oct 6 00:41:47 2015 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.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	<	public class AbstractExecutorServiceTest extends JSR166TestCase{
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(ExecutorsTest.class);
37	>	return new TestSuite(AbstractExecutorServiceTest.class);
38		}
39
40	<	/**
40	>	/**
41		* A no-frills implementation of AbstractExecutorService, designed
42	<	* to test the submit/invoke methods only.
42	>	* to test the submit methods only.
43		*/
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
59	<	private static final String TEST_STRING = "a test string";
60	<
61	<	private static class StringTask implements Callable<String> {
62	<	public String call() { return TEST_STRING; }
59	>	/**
60	>	* execute(runnable) runs it to completion
61	>	*/
62	>	public void testExecuteRunnable() throws Exception {
63	>	ExecutorService e = new DirectExecutorService();
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
76		/**
77	<	* execute of runnable runs it to completion
77	>	* Completed submit(callable) returns result
78		*/
79	<	public void testExecuteRunnable() {
80	<	try {
81	<	ExecutorService e = new DirectExecutorService();
82	<	TrackedShortRunnable task = new TrackedShortRunnable();
83	<	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	<	}
79	>	public void testSubmitCallable() throws Exception {
80	>	ExecutorService e = new DirectExecutorService();
81	>	Future<String> future = e.submit(new StringTask());
82	>	String result = future.get();
83	>	assertSame(TEST_STRING, result);
84		}
85
86		/**
87	<	* invoke of a runnable runs it to completion
87	>	* Completed submit(runnable) returns successfully
88		*/
89	<	public void testInvokeRunnable() {
90	<	try {
91	<	ExecutorService e = new DirectExecutorService();
92	<	TrackedShortRunnable task = new TrackedShortRunnable();
93	<	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	<	}
89	>	public void testSubmitRunnable() throws Exception {
90	>	ExecutorService e = new DirectExecutorService();
91	>	Future<?> future = e.submit(new NoOpRunnable());
92	>	future.get();
93	>	assertTrue(future.isDone());
94		}
95
96		/**
97	<	* execute of a callable runs it to completion
97	>	* Completed submit(runnable, result) returns result
98		*/
99	<	public void testExecuteCallable() {
100	<	try {
101	<	ExecutorService e = new DirectExecutorService();
102	<	Future<String> future = e.submit(new StringTask());
103	<	String result = future.get();
90	<	assertSame(TEST_STRING, result);
91	<	}
92	<	catch (ExecutionException ex) {
93	<	unexpectedException();
94	<	}
95	<	catch (InterruptedException ex) {
96	<	unexpectedException();
97	<	}
99	>	public void testSubmitRunnable2() throws Exception {
100	>	ExecutorService e = new DirectExecutorService();
101	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
102	>	String result = future.get();
103	>	assertSame(TEST_STRING, result);
104		}
105
100	–
106		/**
107	<	* execute of a privileged action runs it to completion
107	>	* A submitted privileged action runs to completion
108		*/
109	<	public void testExecutePrivilegedAction() {
110	<	Policy savedPolicy = Policy.getPolicy();
111	<	AdjustablePolicy policy = new AdjustablePolicy();
112	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
113	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
109	<	Policy.setPolicy(policy);
110	<	try {
111	<	ExecutorService e = new DirectExecutorService();
112	<	Future future = e.submit(new PrivilegedAction() {
109	>	public void testSubmitPrivilegedAction() throws Exception {
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	<	}});
116	>	}}));
117
118	<	Object result = future.get();
119	<	assertSame(TEST_STRING, result);
120	<	}
121	<	catch (ExecutionException ex) {
122	<	unexpectedException();
123	<	}
124	<	catch (InterruptedException ex) {
124	<	unexpectedException();
125	<	}
126	<	finally {
127	<	Policy.setPolicy(savedPolicy);
128	<	}
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	<	* execute of a privileged exception action runs it to completion
128	>	* A submitted privileged exception action runs to completion
129		*/
130	<	public void testExecutePrivilegedExceptionAction() {
131	<	Policy savedPolicy = Policy.getPolicy();
132	<	AdjustablePolicy policy = new AdjustablePolicy();
133	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
134	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
139	<	Policy.setPolicy(policy);
140	<	try {
141	<	ExecutorService e = new DirectExecutorService();
142	<	Future future = e.submit(new PrivilegedExceptionAction() {
130	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
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	<	}});
137	>	}}));
138
139	<	Object result = future.get();
140	<	assertSame(TEST_STRING, result);
141	<	}
142	<	catch (ExecutionException ex) {
151	<	unexpectedException();
152	<	}
153	<	catch (InterruptedException ex) {
154	<	unexpectedException();
155	<	}
156	<	finally {
157	<	Policy.setPolicy(savedPolicy);
158	<	}
139	>	assertSame(TEST_STRING, future.get());
140	>	}};
141	>
142	>	runWithPermissions(r);
143		}
144
145		/**
146	<	* execute of a failed privileged exception action reports exception
146	>	* A submitted failed privileged exception action reports exception
147		*/
148	<	public void testExecuteFailedPrivilegedExceptionAction() {
149	<	Policy savedPolicy = Policy.getPolicy();
150	<	AdjustablePolicy policy = new AdjustablePolicy();
151	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
152	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
169	<	Policy.setPolicy(policy);
170	<	try {
171	<	ExecutorService e = new DirectExecutorService();
172	<	Future future = e.submit(new PrivilegedExceptionAction() {
148	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
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	<	}});
155	>	}}));
156
157	<	Object result = future.get();
158	<	shouldThrow();
159	<	}
160	<	catch (ExecutionException success) {
161	<	}
162	<	catch (InterruptedException ex) {
163	<	unexpectedException();
164	<	}
185	<	finally {
186	<	Policy.setPolicy(savedPolicy);
187	<	}
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	<	* invoke of a collable runs it to completion
168	>	* execute(null runnable) throws NPE
169		*/
170	<	public void testInvokeCallable() {
170	>	public void testExecuteNullRunnable() {
171	>	ExecutorService e = new DirectExecutorService();
172		try {
173	<	ExecutorService e = new DirectExecutorService();
174	<	String result = e.invoke(new StringTask());
175	<
198	<	assertSame(TEST_STRING, result);
199	<	}
200	<	catch (ExecutionException ex) {
201	<	unexpectedException();
202	<	}
203	<	catch (InterruptedException ex) {
204	<	unexpectedException();
205	<	}
173	>	e.submit((Runnable) null);
174	>	shouldThrow();
175	>	} catch (NullPointerException success) {}
176		}
177
178		/**
179	<	* execute with a null runnable throws NPE
179	>	* submit(null callable) throws NPE
180		*/
181	<	public void testExecuteNullRunnable() {
181	>	public void testSubmitNullCallable() {
182	>	ExecutorService e = new DirectExecutorService();
183		try {
184	<	ExecutorService e = new DirectExecutorService();
214	<	TrackedShortRunnable task = null;
215	<	Future<?> future = e.submit(task);
184	>	e.submit((Callable) null);
185		shouldThrow();
186	<	}
218	<	catch (NullPointerException success) {
219	<	}
220	<	catch (Exception ex) {
221	<	unexpectedException();
222	<	}
186	>	} catch (NullPointerException success) {}
187		}
188
189		/**
190	<	* invoke of a null runnable throws NPE
190	>	* submit(callable).get() throws InterruptedException if interrupted
191		*/
192	<	public void testInvokeNullRunnable() {
193	<	try {
194	<	ExecutorService e = new DirectExecutorService();
195	<	TrackedShortRunnable task = null;
196	<	e.invoke(task);
197	<	shouldThrow();
198	<	}
199	<	catch (NullPointerException success) {
200	<	}
201	<	catch (Exception ex) {
202	<	unexpectedException();
192	>	public void testInterruptedSubmit() throws InterruptedException {
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	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
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, quittingTime)) {
204	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
205	>	public void realRun() throws Exception {
206	>	Future<Void> future = p.submit(awaiter);
207	>	submitted.countDown();
208	>	future.get();
209	>	}});
210	>
211	>	await(submitted);
212	>	t.interrupt();
213	>	awaitTermination(t);
214		}
215		}
216
217		/**
218	<	* execute of a null callable throws NPE
218	>	* get of submit(callable) throws ExecutionException if callable
219	>	* throws exception
220		*/
221	<	public void testExecuteNullCallable() {
222	<	try {
223	<	ExecutorService e = new DirectExecutorService();
224	<	StringTask t = null;
225	<	Future<String> future = e.submit(t);
226	<	shouldThrow();
227	<	}
228	<	catch (NullPointerException success) {
229	<	}
230	<	catch (Exception ex) {
231	<	unexpectedException();
221	>	public void testSubmitEE() throws InterruptedException {
222	>	final ThreadPoolExecutor p =
223	>	new ThreadPoolExecutor(1, 1,
224	>	60, TimeUnit.SECONDS,
225	>	new ArrayBlockingQueue<Runnable>(10));
226	>	try (PoolCleaner cleaner = cleaner(p)) {
227	>	Callable c = new Callable() {
228	>	public Object call() { throw new ArithmeticException(); }};
229	>	try {
230	>	p.submit(c).get();
231	>	shouldThrow();
232	>	} catch (ExecutionException success) {
233	>	assertTrue(success.getCause() instanceof ArithmeticException);
234	>	}
235		}
236		}
237
238		/**
239	<	* invoke of a null callable throws NPE
239	>	* invokeAny(null) throws NPE
240		*/
241	<	public void testInvokeNullCallable() {
242	<	try {
243	<	ExecutorService e = new DirectExecutorService();
244	<	StringTask t = null;
245	<	String result = e.invoke(t);
246	<	shouldThrow();
247	<	}
269	<	catch (NullPointerException success) {
270	<	}
271	<	catch (Exception ex) {
272	<	unexpectedException();
241	>	public void testInvokeAny1() throws Exception {
242	>	final ExecutorService e = new DirectExecutorService();
243	>	try (PoolCleaner cleaner = cleaner(e)) {
244	>	try {
245	>	e.invokeAny(null);
246	>	shouldThrow();
247	>	} catch (NullPointerException success) {}
248		}
249		}
250
251		/**
252	<	*  execute(Executor, Runnable) throws RejectedExecutionException
278	<	*  if saturated.
252	>	* invokeAny(empty collection) throws IAE
253		*/
254	<	public void testExecute1() {
255	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
256	<	try {
254	>	public void testInvokeAny2() throws Exception {
255	>	final ExecutorService e = new DirectExecutorService();
256	>	try (PoolCleaner cleaner = cleaner(e)) {
257	>	try {
258	>	e.invokeAny(new ArrayList<Callable<String>>());
259	>	shouldThrow();
260	>	} catch (IllegalArgumentException success) {}
261	>	}
262	>	}
263
264	<	for(int i = 0; i < 5; ++i){
265	<	p.submit(new MediumRunnable());
266	<	}
267	<	shouldThrow();
268	<	} catch(RejectedExecutionException success){}
269	<	joinPool(p);
264	>	/**
265	>	* invokeAny(c) throws NPE if c has null elements
266	>	*/
267	>	public void testInvokeAny3() throws Exception {
268	>	final ExecutorService e = new DirectExecutorService();
269	>	try (PoolCleaner cleaner = cleaner(e)) {
270	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
271	>	l.add(new Callable<Long>() {
272	>	public Long call() { throw new ArithmeticException(); }});
273	>	l.add(null);
274	>	try {
275	>	e.invokeAny(l);
276	>	shouldThrow();
277	>	} catch (NullPointerException success) {}
278	>	}
279		}
280
281		/**
282	<	*  execute(Executor, Callable)throws RejectedExecutionException
294	<	*  if saturated.
282	>	* invokeAny(c) throws ExecutionException if no task in c completes
283		*/
284	<	public void testExecute2() {
285	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
286	<	try {
287	<	for(int i = 0; i < 5; ++i) {
288	<	p.submit(new SmallCallable());
284	>	public void testInvokeAny4() throws InterruptedException {
285	>	final ExecutorService e = new DirectExecutorService();
286	>	try (PoolCleaner cleaner = cleaner(e)) {
287	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
288	>	l.add(new NPETask());
289	>	try {
290	>	e.invokeAny(l);
291	>	shouldThrow();
292	>	} catch (ExecutionException success) {
293	>	assertTrue(success.getCause() instanceof NullPointerException);
294		}
295	<	shouldThrow();
303	<	} catch(RejectedExecutionException e){}
304	<	joinPool(p);
295	>	}
296		}
297
298	+	/**
299	+	* invokeAny(c) returns result of some task in c if at least one completes
300	+	*/
301	+	public void testInvokeAny5() throws Exception {
302	+	final ExecutorService e = new DirectExecutorService();
303	+	try (PoolCleaner cleaner = cleaner(e)) {
304	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
305	+	l.add(new StringTask());
306	+	l.add(new StringTask());
307	+	String result = e.invokeAny(l);
308	+	assertSame(TEST_STRING, result);
309	+	}
310	+	}
311
312		/**
313	<	*  invoke(Executor, Runnable) throws InterruptedException if
310	<	*  caller interrupted.
313	>	* invokeAll(null) throws NPE
314		*/
315	<	public void testInterruptedInvoke() {
316	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
317	<	Thread t = new Thread(new Runnable() {
318	<	public void run() {
319	<	try {
320	<	p.invoke(new Runnable() {
321	<	public void run() {
322	<	try {
323	<	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	<	}
315	>	public void testInvokeAll1() throws InterruptedException {
316	>	final ExecutorService e = new DirectExecutorService();
317	>	try (PoolCleaner cleaner = cleaner(e)) {
318	>	try {
319	>	e.invokeAll(null);
320	>	shouldThrow();
321	>	} catch (NullPointerException success) {}
322	>	}
323	>	}
324
325	<	}
326	<	});
327	<	try {
328	<	t.start();
329	<	Thread.sleep(SHORT_DELAY_MS);
330	<	t.interrupt();
331	<	} catch(Exception e){
332	<	unexpectedException();
325	>	/**
326	>	* invokeAll(empty collection) returns empty collection
327	>	*/
328	>	public void testInvokeAll2() throws InterruptedException {
329	>	final ExecutorService e = new DirectExecutorService();
330	>	try (PoolCleaner cleaner = cleaner(e)) {
331	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
332	>	assertTrue(r.isEmpty());
333		}
340	–	joinPool(p);
334		}
335
336		/**
337	<	*  invoke(Executor, Runnable) throws ExecutionException if
345	<	*  runnable throws exception.
337	>	* invokeAll(c) throws NPE if c has null elements
338		*/
339	<	public void testInvoke3() {
340	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
341	<	try {
342	<	Runnable r = new Runnable() {
343	<	public void run() {
344	<	int i = 5/0;
345	<	}
346	<	};
339	>	public void testInvokeAll3() throws InterruptedException {
340	>	final ExecutorService e = new DirectExecutorService();
341	>	try (PoolCleaner cleaner = cleaner(e)) {
342	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
343	>	l.add(new StringTask());
344	>	l.add(null);
345	>	try {
346	>	e.invokeAll(l);
347	>	shouldThrow();
348	>	} catch (NullPointerException success) {}
349	>	}
350	>	}
351
352	<	for(int i =0; i < 5; i++){
353	<	p.invoke(r);
352	>	/**
353	>	* get of returned element of invokeAll(c) throws exception on failed task
354	>	*/
355	>	public void testInvokeAll4() throws Exception {
356	>	final ExecutorService e = new DirectExecutorService();
357	>	try (PoolCleaner cleaner = cleaner(e)) {
358	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
359	>	l.add(new NPETask());
360	>	List<Future<String>> futures = e.invokeAll(l);
361	>	assertEquals(1, futures.size());
362	>	try {
363	>	futures.get(0).get();
364	>	shouldThrow();
365	>	} catch (ExecutionException success) {
366	>	assertTrue(success.getCause() instanceof NullPointerException);
367		}
368	+	}
369	+	}
370
371	<	shouldThrow();
372	<	} catch(ExecutionException success){
373	<	} catch(Exception e){
374	<	unexpectedException();
371	>	/**
372	>	* invokeAll(c) returns results of all completed tasks in c
373	>	*/
374	>	public void testInvokeAll5() throws Exception {
375	>	final ExecutorService e = new DirectExecutorService();
376	>	try (PoolCleaner cleaner = cleaner(e)) {
377	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
378	>	l.add(new StringTask());
379	>	l.add(new StringTask());
380	>	List<Future<String>> futures = e.invokeAll(l);
381	>	assertEquals(2, futures.size());
382	>	for (Future<String> future : futures)
383	>	assertSame(TEST_STRING, future.get());
384		}
365	–	joinPool(p);
385		}
386
387	+	/**
388	+	* timed invokeAny(null) throws NPE
389	+	*/
390	+	public void testTimedInvokeAny1() throws Exception {
391	+	final ExecutorService e = new DirectExecutorService();
392	+	try (PoolCleaner cleaner = cleaner(e)) {
393	+	try {
394	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
395	+	shouldThrow();
396	+	} catch (NullPointerException success) {}
397	+	}
398	+	}
399
400	+	/**
401	+	* timed invokeAny(null time unit) throws NPE
402	+	*/
403	+	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
404	+	final ExecutorService e = new DirectExecutorService();
405	+	try (PoolCleaner cleaner = cleaner(e)) {
406	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
407	+	l.add(new StringTask());
408	+	try {
409	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
410	+	shouldThrow();
411	+	} catch (NullPointerException success) {}
412	+	}
413	+	}
414
415		/**
416	<	*  invoke(Executor, Callable) throws InterruptedException if
372	<	*  callable throws exception
416	>	* timed invokeAny(empty collection) throws IAE
417		*/
418	<	public void testInvoke5() {
419	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
418	>	public void testTimedInvokeAny2() throws Exception {
419	>	final ExecutorService e = new DirectExecutorService();
420	>	try (PoolCleaner cleaner = cleaner(e)) {
421	>	try {
422	>	e.invokeAny(new ArrayList<Callable<String>>(),
423	>	MEDIUM_DELAY_MS, MILLISECONDS);
424	>	shouldThrow();
425	>	} catch (IllegalArgumentException success) {}
426	>	}
427	>	}
428
429	<	final Callable c = new Callable() {
430	<	public Object call() {
431	<	try {
432	<	p.invoke(new SmallCallable());
433	<	shouldThrow();
434	<	} catch(InterruptedException e){}
435	<	catch(RejectedExecutionException e2){}
436	<	catch(ExecutionException e3){}
437	<	return Boolean.TRUE;
438	<	}
439	<	};
429	>	/**
430	>	* timed invokeAny(c) throws NPE if c has null elements
431	>	*/
432	>	public void testTimedInvokeAny3() throws Exception {
433	>	final ExecutorService e = new DirectExecutorService();
434	>	try (PoolCleaner cleaner = cleaner(e)) {
435	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
436	>	l.add(new Callable<Long>() {
437	>	public Long call() { throw new ArithmeticException(); }});
438	>	l.add(null);
439	>	try {
440	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
441	>	shouldThrow();
442	>	} catch (NullPointerException success) {}
443	>	}
444	>	}
445
446	+	/**
447	+	* timed invokeAny(c) throws ExecutionException if no task completes
448	+	*/
449	+	public void testTimedInvokeAny4() throws Exception {
450	+	final ExecutorService e = new DirectExecutorService();
451	+	try (PoolCleaner cleaner = cleaner(e)) {
452	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
453	+	l.add(new NPETask());
454	+	try {
455	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
456	+	shouldThrow();
457	+	} catch (ExecutionException success) {
458	+	assertTrue(success.getCause() instanceof NullPointerException);
459	+	}
460	+	}
461	+	}
462
463	+	/**
464	+	* timed invokeAny(c) returns result of some task in c
465	+	*/
466	+	public void testTimedInvokeAny5() throws Exception {
467	+	final ExecutorService e = new DirectExecutorService();
468	+	try (PoolCleaner cleaner = cleaner(e)) {
469	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
470	+	l.add(new StringTask());
471	+	l.add(new StringTask());
472	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
473	+	assertSame(TEST_STRING, result);
474	+	}
475	+	}
476
477	<	Thread t = new Thread(new Runnable() {
478	<	public void run() {
479	<	try {
480	<	c.call();
481	<	} catch(Exception e){}
482	<	}
483	<	});
484	<	try {
485	<	t.start();
486	<	Thread.sleep(SHORT_DELAY_MS);
401	<	t.interrupt();
402	<	t.join();
403	<	} catch(InterruptedException e){
404	<	unexpectedException();
477	>	/**
478	>	* timed invokeAll(null) throws NPE
479	>	*/
480	>	public void testTimedInvokeAll1() throws InterruptedException {
481	>	final ExecutorService e = new DirectExecutorService();
482	>	try (PoolCleaner cleaner = cleaner(e)) {
483	>	try {
484	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
485	>	shouldThrow();
486	>	} catch (NullPointerException success) {}
487		}
488	+	}
489
490	<	joinPool(p);
490	>	/**
491	>	* timed invokeAll(null time unit) throws NPE
492	>	*/
493	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
494	>	final ExecutorService e = new DirectExecutorService();
495	>	try (PoolCleaner cleaner = cleaner(e)) {
496	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
497	>	l.add(new StringTask());
498	>	try {
499	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
500	>	shouldThrow();
501	>	} catch (NullPointerException success) {}
502	>	}
503		}
504
505		/**
506	<	*  invoke(Executor, Callable) will throw ExecutionException
412	<	*  if callable throws exception
506	>	* timed invokeAll(empty collection) returns empty collection
507		*/
508	<	public void testInvoke6() {
509	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
508	>	public void testTimedInvokeAll2() throws InterruptedException {
509	>	final ExecutorService e = new DirectExecutorService();
510	>	try (PoolCleaner cleaner = cleaner(e)) {
511	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
512	>	assertTrue(r.isEmpty());
513	>	}
514	>	}
515
516	<	try {
517	<	Callable c = new Callable() {
518	<	public Object call() {
519	<	int i = 5/0;
520	<	return Boolean.TRUE;
521	<	}
522	<	};
516	>	/**
517	>	* timed invokeAll(c) throws NPE if c has null elements
518	>	*/
519	>	public void testTimedInvokeAll3() throws InterruptedException {
520	>	final ExecutorService e = new DirectExecutorService();
521	>	try (PoolCleaner cleaner = cleaner(e)) {
522	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
523	>	l.add(new StringTask());
524	>	l.add(null);
525	>	try {
526	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
527	>	shouldThrow();
528	>	} catch (NullPointerException success) {}
529	>	}
530	>	}
531
532	<	for(int i =0; i < 5; i++){
533	<	p.invoke(c);
532	>	/**
533	>	* get of returned element of invokeAll(c) throws exception on failed task
534	>	*/
535	>	public void testTimedInvokeAll4() throws Exception {
536	>	final ExecutorService e = new DirectExecutorService();
537	>	try (PoolCleaner cleaner = cleaner(e)) {
538	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
539	>	l.add(new NPETask());
540	>	List<Future<String>> futures =
541	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
542	>	assertEquals(1, futures.size());
543	>	try {
544	>	futures.get(0).get();
545	>	shouldThrow();
546	>	} catch (ExecutionException success) {
547	>	assertTrue(success.getCause() instanceof NullPointerException);
548		}
549	+	}
550	+	}
551
552	<	shouldThrow();
552	>	/**
553	>	* timed invokeAll(c) returns results of all completed tasks in c
554	>	*/
555	>	public void testTimedInvokeAll5() throws Exception {
556	>	final ExecutorService e = new DirectExecutorService();
557	>	try (PoolCleaner cleaner = cleaner(e)) {
558	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
559	>	l.add(new StringTask());
560	>	l.add(new StringTask());
561	>	List<Future<String>> futures =
562	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
563	>	assertEquals(2, futures.size());
564	>	for (Future<String> future : futures)
565	>	assertSame(TEST_STRING, future.get());
566		}
567	<	catch(ExecutionException success){
568	<	} catch(Exception e) {
569	<	unexpectedException();
567	>	}
568	>
569	>	/**
570	>	* timed invokeAll cancels tasks not completed by timeout
571	>	*/
572	>	public void testTimedInvokeAll6() throws Exception {
573	>	final ExecutorService e = new DirectExecutorService();
574	>	try (PoolCleaner cleaner = cleaner(e)) {
575	>	for (long timeout = timeoutMillis();;) {
576	>	List<Callable<String>> tasks = new ArrayList<>();
577	>	tasks.add(new StringTask("0"));
578	>	tasks.add(Executors.callable(possiblyInterruptedRunnable(timeout),
579	>	TEST_STRING));
580	>	tasks.add(new StringTask("2"));
581	>	long startTime = System.nanoTime();
582	>	List<Future<String>> futures =
583	>	e.invokeAll(tasks, timeout, MILLISECONDS);
584	>	assertEquals(tasks.size(), futures.size());
585	>	assertTrue(millisElapsedSince(startTime) >= timeout);
586	>	for (Future future : futures)
587	>	assertTrue(future.isDone());
588	>	try {
589	>	assertEquals("0", futures.get(0).get());
590	>	assertEquals(TEST_STRING, futures.get(1).get());
591	>	} catch (CancellationException retryWithLongerTimeout) {
592	>	// unusual delay before starting second task
593	>	timeout *= 2;
594	>	if (timeout >= LONG_DELAY_MS / 2)
595	>	fail("expected exactly one task to be cancelled");
596	>	continue;
597	>	}
598	>	assertTrue(futures.get(2).isCancelled());
599	>	break;
600	>	}
601		}
435	–	joinPool(p);
602		}
603
604	<	}
604	>	}

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