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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 1.40 by jsr166, Sun Oct 4 18:18:48 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(AbstractExecutorServiceTest.class);
38		}
39
40	<	/**
40	>	/**
41		* A no-frills implementation of AbstractExecutorService, designed
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		/**
60	<	* execute of runnable runs it to completion
60	>	* execute(runnable) runs it to completion
61		*/
62	<	public void testExecuteRunnable() {
63	<	try {
64	<	ExecutorService e = new DirectExecutorService();
65	<	TrackedShortRunnable task = new TrackedShortRunnable();
66	<	assertFalse(task.done);
67	<	Future<?> future = e.submit(task);
68	<	future.get();
69	<	assertTrue(task.done);
70	<	}
71	<	catch (ExecutionException ex) {
72	<	unexpectedException();
73	<	}
52	<	catch (InterruptedException ex) {
53	<	unexpectedException();
54	<	}
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
57	–
76		/**
77	<	* completed submit of callable returns result
77	>	* Completed submit(callable) returns result
78		*/
79	<	public void testSubmitCallable() {
80	<	try {
81	<	ExecutorService e = new DirectExecutorService();
82	<	Future<String> future = e.submit(new StringTask());
83	<	String result = future.get();
66	<	assertSame(TEST_STRING, result);
67	<	}
68	<	catch (ExecutionException ex) {
69	<	unexpectedException();
70	<	}
71	<	catch (InterruptedException ex) {
72	<	unexpectedException();
73	<	}
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	<	* completed submit of runnable returns successfully
87	>	* Completed submit(runnable) returns successfully
88		*/
89	<	public void testSubmitRunnable() {
90	<	try {
91	<	ExecutorService e = new DirectExecutorService();
92	<	Future<?> future = e.submit(new NoOpRunnable());
93	<	future.get();
84	<	assertTrue(future.isDone());
85	<	}
86	<	catch (ExecutionException ex) {
87	<	unexpectedException();
88	<	}
89	<	catch (InterruptedException ex) {
90	<	unexpectedException();
91	<	}
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	<	* completed submit of (runnable, result) returns result
97	>	* Completed submit(runnable, result) returns result
98		*/
99	<	public void testSubmitRunnable2() {
100	<	try {
101	<	ExecutorService e = new DirectExecutorService();
102	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
103	<	String result = future.get();
102	<	assertSame(TEST_STRING, result);
103	<	}
104	<	catch (ExecutionException ex) {
105	<	unexpectedException();
106	<	}
107	<	catch (InterruptedException ex) {
108	<	unexpectedException();
109	<	}
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
112	–
106		/**
107	<	* submit of a privileged action runs it to completion
107	>	* A submitted privileged action runs to completion
108		*/
109	<	public void testSubmitPrivilegedAction() {
110	<	Policy savedPolicy = Policy.getPolicy();
111	<	AdjustablePolicy policy = new AdjustablePolicy();
112	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
113	<	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() {
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		}}));
117
118	<	Object result = future.get();
119	<	assertSame(TEST_STRING, result);
120	<	}
121	<	catch (ExecutionException ex) {
122	<	unexpectedException();
123	<	}
124	<	catch (InterruptedException ex) {
136	<	unexpectedException();
137	<	}
138	<	finally {
139	<	Policy.setPolicy(savedPolicy);
140	<	}
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	<	* submit of a privileged exception action runs it to completion
128	>	* A submitted privileged exception action runs to completion
129		*/
130	<	public void testSubmitPrivilegedExceptionAction() {
131	<	Policy savedPolicy = Policy.getPolicy();
132	<	AdjustablePolicy policy = new AdjustablePolicy();
133	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
134	<	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() {
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		}}));
138
139	<	Object result = future.get();
140	<	assertSame(TEST_STRING, result);
141	<	}
142	<	catch (ExecutionException ex) {
163	<	unexpectedException();
164	<	}
165	<	catch (InterruptedException ex) {
166	<	unexpectedException();
167	<	}
168	<	finally {
169	<	Policy.setPolicy(savedPolicy);
170	<	}
139	>	assertSame(TEST_STRING, future.get());
140	>	}};
141	>
142	>	runWithPermissions(r);
143		}
144
145		/**
146	<	* submit of a failed privileged exception action reports exception
146	>	* A submitted failed privileged exception action reports exception
147		*/
148	<	public void testSubmitFailedPrivilegedExceptionAction() {
149	<	Policy savedPolicy = Policy.getPolicy();
150	<	AdjustablePolicy policy = new AdjustablePolicy();
151	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
152	<	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() {
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		}}));
156
157	<	Object result = future.get();
158	<	shouldThrow();
159	<	}
160	<	catch (ExecutionException success) {
161	<	}
162	<	catch (InterruptedException ex) {
163	<	unexpectedException();
164	<	}
197	<	finally {
198	<	Policy.setPolicy(savedPolicy);
199	<	}
157	>	try {
158	>	future.get();
159	>	shouldThrow();
160	>	} catch (ExecutionException success) {
161	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
162	>	}}};
163	>
164	>	runWithPermissions(r);
165		}
166
167		/**
168	<	* execute with a null runnable throws NPE
168	>	* execute(null runnable) throws NPE
169		*/
170		public void testExecuteNullRunnable() {
171	+	ExecutorService e = new DirectExecutorService();
172		try {
173	<	ExecutorService e = new DirectExecutorService();
208	<	TrackedShortRunnable task = null;
209	<	Future<?> future = e.submit(task);
173	>	e.submit((Runnable) null);
174		shouldThrow();
175	<	}
212	<	catch (NullPointerException success) {
213	<	}
214	<	catch (Exception ex) {
215	<	unexpectedException();
216	<	}
175	>	} catch (NullPointerException success) {}
176		}
177
219	–
178		/**
179	<	* submit of a null callable throws NPE
179	>	* submit(null callable) throws NPE
180		*/
181		public void testSubmitNullCallable() {
182	+	ExecutorService e = new DirectExecutorService();
183		try {
184	<	ExecutorService e = new DirectExecutorService();
226	<	StringTask t = null;
227	<	Future<String> future = e.submit(t);
184	>	e.submit((Callable) null);
185		shouldThrow();
186	<	}
230	<	catch (NullPointerException success) {
231	<	}
232	<	catch (Exception ex) {
233	<	unexpectedException();
234	<	}
186	>	} catch (NullPointerException success) {}
187		}
188
189		/**
190	<	* submit of Runnable throws RejectedExecutionException if
239	<	* saturated.
190	>	* submit(callable).get() throws InterruptedException if interrupted
191		*/
192	<	public void testExecute1() {
193	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
194	<	try {
195	<
196	<	for(int i = 0; i < 5; ++i){
197	<	p.submit(new MediumRunnable());
198	<	}
199	<	shouldThrow();
200	<	} catch(RejectedExecutionException success){}
201	<	joinPool(p);
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	>	quittingTime.await();
198	>	return null;
199	>	}};
200	>	final ExecutorService p
201	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
202	>	new ArrayBlockingQueue<Runnable>(10));
203	>	try (PoolCleaner cleaner = cleaner(p)) {
204	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
205	>	public void realRun() throws Exception {
206	>	Future<Void> future = p.submit(awaiter);
207	>	submitted.countDown();
208	>	future.get();
209	>	}});
210	>	t.start();
211	>	submitted.await();
212	>	t.interrupt();
213	>	t.join();
214	>	quittingTime.countDown();
215	>	}
216		}
217
218		/**
219	<	* 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() {
280	<	try {
281	<	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	<	}
292	<
293	<	}
294	<	});
295	<	try {
296	<	t.start();
297	<	Thread.sleep(SHORT_DELAY_MS);
298	<	t.interrupt();
299	<	} catch(Exception e){
300	<	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		}
302	–	joinPool(p);
250		}
251
252		/**
253	<	*  get of submit of Callable throws Exception if callable
307	<	*  interrupted
253	>	* invokeAny(empty collection) throws IAE
254		*/
255	<	public void testSubmitIE() {
256	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
257	<
258	<	final Callable c = new Callable() {
259	<	public Object call() {
260	<	try {
261	<	p.submit(new SmallCallable()).get();
262	<	shouldThrow();
263	<	} catch(InterruptedException e){}
318	<	catch(RejectedExecutionException e2){}
319	<	catch(ExecutionException e3){}
320	<	return Boolean.TRUE;
321	<	}
322	<	};
255	>	public void testInvokeAny2() throws Exception {
256	>	final ExecutorService e = new DirectExecutorService();
257	>	try (PoolCleaner cleaner = cleaner(e)) {
258	>	try {
259	>	e.invokeAny(new ArrayList<Callable<String>>());
260	>	shouldThrow();
261	>	} catch (IllegalArgumentException success) {}
262	>	}
263	>	}
264
265	+	/**
266	+	* invokeAny(c) throws NPE if c has null elements
267	+	*/
268	+	public void testInvokeAny3() throws Exception {
269	+	final ExecutorService e = new DirectExecutorService();
270	+	try (PoolCleaner cleaner = cleaner(e)) {
271	+	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
272	+	l.add(new Callable<Long>() {
273	+	public Long call() { throw new ArithmeticException(); }});
274	+	l.add(null);
275	+	try {
276	+	e.invokeAny(l);
277	+	shouldThrow();
278	+	} catch (NullPointerException success) {}
279	+	}
280	+	}
281
282	+	/**
283	+	* invokeAny(c) throws ExecutionException if no task in c completes
284	+	*/
285	+	public void testInvokeAny4() throws InterruptedException {
286	+	final ExecutorService e = new DirectExecutorService();
287	+	try (PoolCleaner cleaner = cleaner(e)) {
288	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
289	+	l.add(new NPETask());
290	+	try {
291	+	e.invokeAny(l);
292	+	shouldThrow();
293	+	} catch (ExecutionException success) {
294	+	assertTrue(success.getCause() instanceof NullPointerException);
295	+	}
296	+	}
297	+	}
298
299	<	Thread t = new Thread(new Runnable() {
300	<	public void run() {
301	<	try {
302	<	c.call();
303	<	} catch(Exception e){}
304	<	}
305	<	});
306	<	try {
307	<	t.start();
308	<	Thread.sleep(SHORT_DELAY_MS);
309	<	t.interrupt();
337	<	t.join();
338	<	} catch(InterruptedException e){
339	<	unexpectedException();
299	>	/**
300	>	* invokeAny(c) returns result of some task in c if at least one completes
301	>	*/
302	>	public void testInvokeAny5() throws Exception {
303	>	final ExecutorService e = new DirectExecutorService();
304	>	try (PoolCleaner cleaner = cleaner(e)) {
305	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
306	>	l.add(new StringTask());
307	>	l.add(new StringTask());
308	>	String result = e.invokeAny(l);
309	>	assertSame(TEST_STRING, result);
310		}
311	+	}
312
313	<	joinPool(p);
313	>	/**
314	>	* invokeAll(null) throws NPE
315	>	*/
316	>	public void testInvokeAll1() throws InterruptedException {
317	>	final ExecutorService e = new DirectExecutorService();
318	>	try (PoolCleaner cleaner = cleaner(e)) {
319	>	try {
320	>	e.invokeAll(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323	>	}
324		}
325
326		/**
327	<	*  completed submit of Callable throws ExecutionException if
347	<	*  callable throws exception
327	>	* invokeAll(empty collection) returns empty collection
328		*/
329	<	public void testSubmitEE() {
330	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
329	>	public void testInvokeAll2() throws InterruptedException {
330	>	final ExecutorService e = new DirectExecutorService();
331	>	try (PoolCleaner cleaner = cleaner(e)) {
332	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
333	>	assertTrue(r.isEmpty());
334	>	}
335	>	}
336
337	<	try {
338	<	Callable c = new Callable() {
339	<	public Object call() {
340	<	int i = 5/0;
341	<	return Boolean.TRUE;
342	<	}
343	<	};
337	>	/**
338	>	* invokeAll(c) throws NPE if c has null elements
339	>	*/
340	>	public void testInvokeAll3() throws InterruptedException {
341	>	final ExecutorService e = new DirectExecutorService();
342	>	try (PoolCleaner cleaner = cleaner(e)) {
343	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
344	>	l.add(new StringTask());
345	>	l.add(null);
346	>	try {
347	>	e.invokeAll(l);
348	>	shouldThrow();
349	>	} catch (NullPointerException success) {}
350	>	}
351	>	}
352
353	<	for(int i =0; i < 5; i++){
354	<	p.submit(c).get();
353	>	/**
354	>	* get of returned element of invokeAll(c) throws exception on failed task
355	>	*/
356	>	public void testInvokeAll4() throws Exception {
357	>	final ExecutorService e = new DirectExecutorService();
358	>	try (PoolCleaner cleaner = cleaner(e)) {
359	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
360	>	l.add(new NPETask());
361	>	List<Future<String>> futures = e.invokeAll(l);
362	>	assertEquals(1, futures.size());
363	>	try {
364	>	futures.get(0).get();
365	>	shouldThrow();
366	>	} catch (ExecutionException success) {
367	>	assertTrue(success.getCause() instanceof NullPointerException);
368		}
369	+	}
370	+	}
371
372	<	shouldThrow();
372	>	/**
373	>	* invokeAll(c) returns results of all completed tasks in c
374	>	*/
375	>	public void testInvokeAll5() throws Exception {
376	>	final ExecutorService e = new DirectExecutorService();
377	>	try (PoolCleaner cleaner = cleaner(e)) {
378	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
379	>	l.add(new StringTask());
380	>	l.add(new StringTask());
381	>	List<Future<String>> futures = e.invokeAll(l);
382	>	assertEquals(2, futures.size());
383	>	for (Future<String> future : futures)
384	>	assertSame(TEST_STRING, future.get());
385		}
386	<	catch(ExecutionException success){
387	<	} catch(Exception e) {
388	<	unexpectedException();
386	>	}
387	>
388	>	/**
389	>	* timed invokeAny(null) throws NPE
390	>	*/
391	>	public void testTimedInvokeAny1() throws Exception {
392	>	final ExecutorService e = new DirectExecutorService();
393	>	try (PoolCleaner cleaner = cleaner(e)) {
394	>	try {
395	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
396	>	shouldThrow();
397	>	} catch (NullPointerException success) {}
398		}
370	–	joinPool(p);
399		}
400
401		/**
402	<	* invokeAny(null) throws NPE
402	>	* timed invokeAny(null time unit) throws NPE
403		*/
404	<	public void testInvokeAny1() {
405	<	ExecutorService e = new DirectExecutorService();
406	<	try {
407	<	e.invokeAny(null);
408	<	} catch (NullPointerException success) {
409	<	} catch(Exception ex) {
410	<	unexpectedException();
411	<	} finally {
412	<	joinPool(e);
404	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
405	>	final ExecutorService e = new DirectExecutorService();
406	>	try (PoolCleaner cleaner = cleaner(e)) {
407	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
408	>	l.add(new StringTask());
409	>	try {
410	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
411	>	shouldThrow();
412	>	} catch (NullPointerException success) {}
413		}
414		}
415
416		/**
417	<	* invokeAny(empty collection) throws IAE
417	>	* timed invokeAny(empty collection) throws IAE
418		*/
419	<	public void testInvokeAny2() {
420	<	ExecutorService e = new DirectExecutorService();
421	<	try {
422	<	e.invokeAny(new ArrayList<Callable<String>>());
423	<	} catch (IllegalArgumentException success) {
424	<	} catch(Exception ex) {
425	<	unexpectedException();
426	<	} finally {
399	<	joinPool(e);
419	>	public void testTimedInvokeAny2() throws Exception {
420	>	final ExecutorService e = new DirectExecutorService();
421	>	try (PoolCleaner cleaner = cleaner(e)) {
422	>	try {
423	>	e.invokeAny(new ArrayList<Callable<String>>(),
424	>	MEDIUM_DELAY_MS, MILLISECONDS);
425	>	shouldThrow();
426	>	} catch (IllegalArgumentException success) {}
427		}
428		}
429
430		/**
431	<	* invokeAny(c) throws NPE if c has null elements
431	>	* timed invokeAny(c) throws NPE if c has null elements
432		*/
433	<	public void testInvokeAny3() {
434	<	ExecutorService e = new DirectExecutorService();
435	<	try {
436	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
437	<	l.add(new StringTask());
433	>	public void testTimedInvokeAny3() throws Exception {
434	>	final ExecutorService e = new DirectExecutorService();
435	>	try (PoolCleaner cleaner = cleaner(e)) {
436	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
437	>	l.add(new Callable<Long>() {
438	>	public Long call() { throw new ArithmeticException(); }});
439		l.add(null);
440	<	e.invokeAny(l);
441	<	} catch (NullPointerException success) {
442	<	} catch(Exception ex) {
443	<	unexpectedException();
416	<	} finally {
417	<	joinPool(e);
440	>	try {
441	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
442	>	shouldThrow();
443	>	} catch (NullPointerException success) {}
444		}
445		}
446
447		/**
448	<	* invokeAny(c) throws ExecutionException if no task completes
448	>	* timed invokeAny(c) throws ExecutionException if no task completes
449		*/
450	<	public void testInvokeAny4() {
451	<	ExecutorService e = new DirectExecutorService();
452	<	try {
453	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
450	>	public void testTimedInvokeAny4() throws Exception {
451	>	final ExecutorService e = new DirectExecutorService();
452	>	try (PoolCleaner cleaner = cleaner(e)) {
453	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
454		l.add(new NPETask());
455	<	List<Future<String>> result = e.invokeAll(l);
456	<	assertEquals(1, result.size());
457	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
458	<	it.next().get();
459	<	} catch(ExecutionException success) {
460	<	} catch(Exception ex) {
435	<	unexpectedException();
436	<	} finally {
437	<	joinPool(e);
455	>	try {
456	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
457	>	shouldThrow();
458	>	} catch (ExecutionException success) {
459	>	assertTrue(success.getCause() instanceof NullPointerException);
460	>	}
461		}
462		}
463
464		/**
465	<	* invokeAny(c) returns result of some task
465	>	* timed invokeAny(c) returns result of some task in c
466		*/
467	<	public void testInvokeAny5() {
468	<	ExecutorService e = new DirectExecutorService();
469	<	try {
470	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
467	>	public void testTimedInvokeAny5() throws Exception {
468	>	final ExecutorService e = new DirectExecutorService();
469	>	try (PoolCleaner cleaner = cleaner(e)) {
470	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
471		l.add(new StringTask());
472		l.add(new StringTask());
473	<	String result = e.invokeAny(l);
473	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
474		assertSame(TEST_STRING, result);
452	–	} catch (ExecutionException success) {
453	–	} catch(Exception ex) {
454	–	unexpectedException();
455	–	} finally {
456	–	joinPool(e);
475		}
476		}
477
478		/**
479	<	* invokeAll(null) throws NPE
479	>	* timed invokeAll(null) throws NPE
480		*/
481	<	public void testInvokeAll1() {
482	<	ExecutorService e = new DirectExecutorService();
483	<	try {
484	<	e.invokeAll(null);
485	<	} catch (NullPointerException success) {
486	<	} catch(Exception ex) {
487	<	unexpectedException();
470	<	} finally {
471	<	joinPool(e);
481	>	public void testTimedInvokeAll1() throws InterruptedException {
482	>	final ExecutorService e = new DirectExecutorService();
483	>	try (PoolCleaner cleaner = cleaner(e)) {
484	>	try {
485	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
486	>	shouldThrow();
487	>	} catch (NullPointerException success) {}
488		}
489		}
490
491		/**
492	<	* invokeAll(empty collection) returns empty collection
492	>	* timed invokeAll(null time unit) throws NPE
493		*/
494	<	public void testInvokeAll2() {
495	<	ExecutorService e = new DirectExecutorService();
496	<	try {
497	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
494	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
495	>	final ExecutorService e = new DirectExecutorService();
496	>	try (PoolCleaner cleaner = cleaner(e)) {
497	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
498	>	l.add(new StringTask());
499	>	try {
500	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
501	>	shouldThrow();
502	>	} catch (NullPointerException success) {}
503	>	}
504	>	}
505	>
506	>	/**
507	>	* timed invokeAll(empty collection) returns empty collection
508	>	*/
509	>	public void testTimedInvokeAll2() throws InterruptedException {
510	>	final ExecutorService e = new DirectExecutorService();
511	>	try (PoolCleaner cleaner = cleaner(e)) {
512	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
513		assertTrue(r.isEmpty());
483	–	} catch(Exception ex) {
484	–	unexpectedException();
485	–	} finally {
486	–	joinPool(e);
514		}
515		}
516
517		/**
518	<	* invokeAll(c) throws NPE if c has null elements
518	>	* timed invokeAll(c) throws NPE if c has null elements
519		*/
520	<	public void testInvokeAll3() {
521	<	ExecutorService e = new DirectExecutorService();
522	<	try {
523	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
520	>	public void testTimedInvokeAll3() throws InterruptedException {
521	>	final ExecutorService e = new DirectExecutorService();
522	>	try (PoolCleaner cleaner = cleaner(e)) {
523	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
524		l.add(new StringTask());
525		l.add(null);
526	<	e.invokeAll(l);
527	<	} catch (NullPointerException success) {
528	<	} catch(Exception ex) {
529	<	unexpectedException();
503	<	} finally {
504	<	joinPool(e);
526	>	try {
527	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
528	>	shouldThrow();
529	>	} catch (NullPointerException success) {}
530		}
531		}
532
533		/**
534	<	* get of element of invokeAll(c) throws exception on failed task
534	>	* get of returned element of invokeAll(c) throws exception on failed task
535		*/
536	<	public void testInvokeAll4() {
537	<	ExecutorService e = new DirectExecutorService();
538	<	try {
539	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
536	>	public void testTimedInvokeAll4() throws Exception {
537	>	final ExecutorService e = new DirectExecutorService();
538	>	try (PoolCleaner cleaner = cleaner(e)) {
539	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
540		l.add(new NPETask());
541	<	List<Future<String>> result = e.invokeAll(l);
542	<	assertEquals(1, result.size());
543	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
544	<	it.next().get();
545	<	} catch(ExecutionException success) {
546	<	} catch(Exception ex) {
547	<	unexpectedException();
548	<	} finally {
549	<	joinPool(e);
541	>	List<Future<String>> futures =
542	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
543	>	assertEquals(1, futures.size());
544	>	try {
545	>	futures.get(0).get();
546	>	shouldThrow();
547	>	} catch (ExecutionException success) {
548	>	assertTrue(success.getCause() instanceof NullPointerException);
549	>	}
550		}
551		}
552
553		/**
554	<	* invokeAll(c) returns results of all completed tasks
554	>	* timed invokeAll(c) returns results of all completed tasks in c
555		*/
556	<	public void testInvokeAll5() {
557	<	ExecutorService e = new DirectExecutorService();
558	<	try {
559	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
556	>	public void testTimedInvokeAll5() throws Exception {
557	>	final ExecutorService e = new DirectExecutorService();
558	>	try (PoolCleaner cleaner = cleaner(e)) {
559	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
560		l.add(new StringTask());
561		l.add(new StringTask());
562	<	List<Future<String>> result = e.invokeAll(l);
563	<	assertEquals(2, result.size());
564	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
565	<	assertSame(TEST_STRING, it.next().get());
566	<	} catch (ExecutionException success) {
567	<	} catch(Exception ex) {
568	<	unexpectedException();
569	<	} finally {
570	<	joinPool(e);
562	>	List<Future<String>> futures =
563	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
564	>	assertEquals(2, futures.size());
565	>	for (Future<String> future : futures)
566	>	assertSame(TEST_STRING, future.get());
567	>	}
568	>	}
569	>
570	>	/**
571	>	* timed invokeAll cancels tasks not completed by timeout
572	>	*/
573	>	public void testTimedInvokeAll6() throws Exception {
574	>	final ExecutorService e = new DirectExecutorService();
575	>	try (PoolCleaner cleaner = cleaner(e)) {
576	>	for (long timeout = timeoutMillis();;) {
577	>	List<Callable<String>> tasks = new ArrayList<>();
578	>	tasks.add(new StringTask("0"));
579	>	tasks.add(Executors.callable(possiblyInterruptedRunnable(timeout),
580	>	TEST_STRING));
581	>	tasks.add(new StringTask("2"));
582	>	long startTime = System.nanoTime();
583	>	List<Future<String>> futures =
584	>	e.invokeAll(tasks, timeout, MILLISECONDS);
585	>	assertEquals(tasks.size(), futures.size());
586	>	assertTrue(millisElapsedSince(startTime) >= timeout);
587	>	for (Future future : futures)
588	>	assertTrue(future.isDone());
589	>	try {
590	>	assertEquals("0", futures.get(0).get());
591	>	assertEquals(TEST_STRING, futures.get(1).get());
592	>	} catch (CancellationException retryWithLongerTimeout) {
593	>	// unusual delay before starting second task
594	>	timeout *= 2;
595	>	if (timeout >= LONG_DELAY_MS / 2)
596	>	fail("expected exactly one task to be cancelled");
597	>	continue;
598	>	}
599	>	assertTrue(futures.get(2).isCancelled());
600	>	break;
601	>	}
602		}
603		}
604

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