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

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.4 by dl, Fri Dec 19 20:38:55 2003 UTC vs.
Revision 1.34 by jsr166, Wed Sep 25 07:39:17 2013 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
8	–
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	<	import java.math.BigInteger;
12	>	import java.util.concurrent.atomic.AtomicBoolean;
13	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
14		import java.security.*;
15
16	<	public class AbstractExecutorServiceTest extends JSR166TestCase{
16	>	public class AbstractExecutorServiceTest extends JSR166TestCase {
17		public static void main(String[] args) {
18	<	junit.textui.TestRunner.run (suite());
18	>	junit.textui.TestRunner.run(suite());
19		}
20		public static Test suite() {
21	<	return new TestSuite(ExecutorsTest.class);
21	>	return new TestSuite(AbstractExecutorServiceTest.class);
22		}
23
24	<	/**
24	>	/**
25		* A no-frills implementation of AbstractExecutorService, designed
26	<	* to test the submit/invoke methods only.
26	>	* to test the submit methods only.
27		*/
28		static class DirectExecutorService extends AbstractExecutorService {
29		public void execute(Runnable r) { r.run(); }
30		public void shutdown() { shutdown = true; }
31	<	public List<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; }
31	>	public List<Runnable> shutdownNow() {
32	>	shutdown = true;
33	>	return Collections.EMPTY_LIST;
34	>	}
35		public boolean isShutdown() { return shutdown; }
36		public boolean isTerminated() { return isShutdown(); }
37	<	public boolean awaitTermination(long timeout, TimeUnit unit) { return isShutdown(); }
37	>	public boolean awaitTermination(long timeout, TimeUnit unit) {
38	>	return isShutdown();
39	>	}
40		private volatile boolean shutdown = false;
41		}
42
43	<	private static final String TEST_STRING = "a test string";
44	<
45	<	private static class StringTask implements Callable<String> {
46	<	public String call() { return TEST_STRING; }
43	>	/**
44	>	* execute(runnable) runs it to completion
45	>	*/
46	>	public void testExecuteRunnable() throws Exception {
47	>	ExecutorService e = new DirectExecutorService();
48	>	final AtomicBoolean done = new AtomicBoolean(false);
49	>	Future<?> future = e.submit(new CheckedRunnable() {
50	>	public void realRun() {
51	>	done.set(true);
52	>	}});
53	>	assertNull(future.get());
54	>	assertNull(future.get(0, MILLISECONDS));
55	>	assertTrue(done.get());
56	>	assertTrue(future.isDone());
57	>	assertFalse(future.isCancelled());
58		}
59
60		/**
61	<	* execute of runnable runs it to completion
61	>	* Completed submit(callable) returns result
62		*/
63	<	public void testExecuteRunnable() {
64	<	try {
65	<	ExecutorService e = new DirectExecutorService();
66	<	TrackedShortRunnable task = new TrackedShortRunnable();
67	<	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	<	}
63	>	public void testSubmitCallable() throws Exception {
64	>	ExecutorService e = new DirectExecutorService();
65	>	Future<String> future = e.submit(new StringTask());
66	>	String result = future.get();
67	>	assertSame(TEST_STRING, result);
68		}
69
63	–
70		/**
71	<	* execute of a callable runs it to completion
71	>	* Completed submit(runnable) returns successfully
72		*/
73	<	public void testExecuteCallable() {
74	<	try {
75	<	ExecutorService e = new DirectExecutorService();
76	<	Future<String> future = e.submit(new StringTask());
77	<	String result = future.get();
72	<	assertSame(TEST_STRING, result);
73	<	}
74	<	catch (ExecutionException ex) {
75	<	unexpectedException();
76	<	}
77	<	catch (InterruptedException ex) {
78	<	unexpectedException();
79	<	}
73	>	public void testSubmitRunnable() throws Exception {
74	>	ExecutorService e = new DirectExecutorService();
75	>	Future<?> future = e.submit(new NoOpRunnable());
76	>	future.get();
77	>	assertTrue(future.isDone());
78		}
79
80	+	/**
81	+	* Completed submit(runnable, result) returns result
82	+	*/
83	+	public void testSubmitRunnable2() throws Exception {
84	+	ExecutorService e = new DirectExecutorService();
85	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
86	+	String result = future.get();
87	+	assertSame(TEST_STRING, result);
88	+	}
89
90		/**
91	<	* execute of a privileged action runs it to completion
91	>	* A submitted privileged action runs to completion
92		*/
93	<	public void testExecutePrivilegedAction() {
94	<	Policy savedPolicy = Policy.getPolicy();
95	<	AdjustablePolicy policy = new AdjustablePolicy();
96	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
97	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
91	<	Policy.setPolicy(policy);
92	<	try {
93	<	ExecutorService e = new DirectExecutorService();
94	<	Future future = e.submit(new PrivilegedAction() {
93	>	public void testSubmitPrivilegedAction() throws Exception {
94	>	Runnable r = new CheckedRunnable() {
95	>	public void realRun() throws Exception {
96	>	ExecutorService e = new DirectExecutorService();
97	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
98		public Object run() {
99		return TEST_STRING;
100	<	}});
100	>	}}));
101
102	<	Object result = future.get();
103	<	assertSame(TEST_STRING, result);
104	<	}
105	<	catch (ExecutionException ex) {
106	<	unexpectedException();
107	<	}
108	<	catch (InterruptedException ex) {
106	<	unexpectedException();
107	<	}
108	<	finally {
109	<	Policy.setPolicy(savedPolicy);
110	<	}
102	>	assertSame(TEST_STRING, future.get());
103	>	}};
104	>
105	>	runWithPermissions(r,
106	>	new RuntimePermission("getClassLoader"),
107	>	new RuntimePermission("setContextClassLoader"),
108	>	new RuntimePermission("modifyThread"));
109		}
110
111		/**
112	<	* execute of a privileged exception action runs it to completion
112	>	* A submitted privileged exception action runs to completion
113		*/
114	<	public void testExecutePrivilegedExceptionAction() {
115	<	Policy savedPolicy = Policy.getPolicy();
116	<	AdjustablePolicy policy = new AdjustablePolicy();
117	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
118	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
121	<	Policy.setPolicy(policy);
122	<	try {
123	<	ExecutorService e = new DirectExecutorService();
124	<	Future future = e.submit(new PrivilegedExceptionAction() {
114	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
115	>	Runnable r = new CheckedRunnable() {
116	>	public void realRun() throws Exception {
117	>	ExecutorService e = new DirectExecutorService();
118	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
119		public Object run() {
120		return TEST_STRING;
121	<	}});
121	>	}}));
122
123	<	Object result = future.get();
124	<	assertSame(TEST_STRING, result);
125	<	}
126	<	catch (ExecutionException ex) {
133	<	unexpectedException();
134	<	}
135	<	catch (InterruptedException ex) {
136	<	unexpectedException();
137	<	}
138	<	finally {
139	<	Policy.setPolicy(savedPolicy);
140	<	}
123	>	assertSame(TEST_STRING, future.get());
124	>	}};
125	>
126	>	runWithPermissions(r);
127		}
128
129		/**
130	<	* execute of a failed privileged exception action reports exception
130	>	* A submitted failed privileged exception action reports exception
131		*/
132	<	public void testExecuteFailedPrivilegedExceptionAction() {
133	<	Policy savedPolicy = Policy.getPolicy();
134	<	AdjustablePolicy policy = new AdjustablePolicy();
135	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
136	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
151	<	Policy.setPolicy(policy);
152	<	try {
153	<	ExecutorService e = new DirectExecutorService();
154	<	Future future = e.submit(new PrivilegedExceptionAction() {
132	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
133	>	Runnable r = new CheckedRunnable() {
134	>	public void realRun() throws Exception {
135	>	ExecutorService e = new DirectExecutorService();
136	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
137		public Object run() throws Exception {
138		throw new IndexOutOfBoundsException();
139	<	}});
139	>	}}));
140
141	<	Object result = future.get();
141	>	try {
142	>	future.get();
143	>	shouldThrow();
144	>	} catch (ExecutionException success) {
145	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
146	>	}}};
147	>
148	>	runWithPermissions(r);
149	>	}
150	>
151	>	/**
152	>	* execute(null runnable) throws NPE
153	>	*/
154	>	public void testExecuteNullRunnable() {
155	>	try {
156	>	ExecutorService e = new DirectExecutorService();
157	>	e.submit((Runnable) null);
158		shouldThrow();
159	<	}
162	<	catch (ExecutionException success) {
163	<	}
164	<	catch (InterruptedException ex) {
165	<	unexpectedException();
166	<	}
167	<	finally {
168	<	Policy.setPolicy(savedPolicy);
169	<	}
159	>	} catch (NullPointerException success) {}
160		}
161
162		/**
163	<	* invoke of a callable runs it to completion
163	>	* submit(null callable) throws NPE
164		*/
165	<	public void testInvokeCallable() {
165	>	public void testSubmitNullCallable() {
166		try {
167		ExecutorService e = new DirectExecutorService();
168	<	String result = e.invoke(new StringTask());
168	>	e.submit((Callable) null);
169	>	shouldThrow();
170	>	} catch (NullPointerException success) {}
171	>	}
172
173	<	assertSame(TEST_STRING, result);
174	<	}
175	<	catch (ExecutionException ex) {
176	<	unexpectedException();
177	<	}
178	<	catch (InterruptedException ex) {
179	<	unexpectedException();
173	>	/**
174	>	* submit(callable).get() throws InterruptedException if interrupted
175	>	*/
176	>	public void testInterruptedSubmit() throws InterruptedException {
177	>	final CountDownLatch submitted    = new CountDownLatch(1);
178	>	final CountDownLatch quittingTime = new CountDownLatch(1);
179	>	final ExecutorService p
180	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
181	>	new ArrayBlockingQueue<Runnable>(10));
182	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
183	>	public Void realCall() throws InterruptedException {
184	>	quittingTime.await();
185	>	return null;
186	>	}};
187	>	try {
188	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
189	>	public void realRun() throws Exception {
190	>	Future<Void> future = p.submit(awaiter);
191	>	submitted.countDown();
192	>	future.get();
193	>	}});
194	>	t.start();
195	>	submitted.await();
196	>	t.interrupt();
197	>	t.join();
198	>	} finally {
199	>	quittingTime.countDown();
200	>	joinPool(p);
201		}
202		}
203
204		/**
205	<	* execute with a null runnable throws NPE
205	>	* get of submit(callable) throws ExecutionException if callable
206	>	* throws exception
207		*/
208	<	public void testExecuteNullRunnable() {
208	>	public void testSubmitEE() throws InterruptedException {
209	>	ThreadPoolExecutor p =
210	>	new ThreadPoolExecutor(1, 1,
211	>	60, TimeUnit.SECONDS,
212	>	new ArrayBlockingQueue<Runnable>(10));
213	>
214	>	Callable c = new Callable() {
215	>	public Object call() { throw new ArithmeticException(); }};
216	>
217		try {
218	<	ExecutorService e = new DirectExecutorService();
196	<	TrackedShortRunnable task = null;
197	<	Future<?> future = e.submit(task);
218	>	p.submit(c).get();
219		shouldThrow();
220	+	} catch (ExecutionException success) {
221	+	assertTrue(success.getCause() instanceof ArithmeticException);
222		}
223	<	catch (NullPointerException success) {
201	<	}
202	<	catch (Exception ex) {
203	<	unexpectedException();
204	<	}
223	>	joinPool(p);
224		}
225
207	–
226		/**
227	<	* execute of a null callable throws NPE
227	>	* invokeAny(null) throws NPE
228		*/
229	<	public void testExecuteNullCallable() {
229	>	public void testInvokeAny1() throws Exception {
230	>	ExecutorService e = new DirectExecutorService();
231		try {
232	<	ExecutorService e = new DirectExecutorService();
214	<	StringTask t = null;
215	<	Future<String> future = e.submit(t);
232	>	e.invokeAny(null);
233		shouldThrow();
234	+	} catch (NullPointerException success) {
235	+	} finally {
236	+	joinPool(e);
237		}
238	<	catch (NullPointerException success) {
238	>	}
239	>
240	>	/**
241	>	* invokeAny(empty collection) throws IAE
242	>	*/
243	>	public void testInvokeAny2() throws Exception {
244	>	ExecutorService e = new DirectExecutorService();
245	>	try {
246	>	e.invokeAny(new ArrayList<Callable<String>>());
247	>	shouldThrow();
248	>	} catch (IllegalArgumentException success) {
249	>	} finally {
250	>	joinPool(e);
251		}
252	<	catch (Exception ex) {
253	<	unexpectedException();
252	>	}
253	>
254	>	/**
255	>	* invokeAny(c) throws NPE if c has null elements
256	>	*/
257	>	public void testInvokeAny3() throws Exception {
258	>	ExecutorService e = new DirectExecutorService();
259	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
260	>	l.add(new Callable<Long>() {
261	>	public Long call() { throw new ArithmeticException(); }});
262	>	l.add(null);
263	>	try {
264	>	e.invokeAny(l);
265	>	shouldThrow();
266	>	} catch (NullPointerException success) {
267	>	} finally {
268	>	joinPool(e);
269		}
270		}
271
272		/**
273	<	* invoke of a null callable throws NPE
273	>	* invokeAny(c) throws ExecutionException if no task in c completes
274		*/
275	<	public void testInvokeNullCallable() {
275	>	public void testInvokeAny4() throws InterruptedException {
276	>	ExecutorService e = new DirectExecutorService();
277	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
278	>	l.add(new NPETask());
279		try {
280	<	ExecutorService e = new DirectExecutorService();
231	<	StringTask t = null;
232	<	String result = e.invoke(t);
280	>	e.invokeAny(l);
281		shouldThrow();
282	+	} catch (ExecutionException success) {
283	+	assertTrue(success.getCause() instanceof NullPointerException);
284	+	} finally {
285	+	joinPool(e);
286		}
287	<	catch (NullPointerException success) {
287	>	}
288	>
289	>	/**
290	>	* invokeAny(c) returns result of some task in c if at least one completes
291	>	*/
292	>	public void testInvokeAny5() throws Exception {
293	>	ExecutorService e = new DirectExecutorService();
294	>	try {
295	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
296	>	l.add(new StringTask());
297	>	l.add(new StringTask());
298	>	String result = e.invokeAny(l);
299	>	assertSame(TEST_STRING, result);
300	>	} finally {
301	>	joinPool(e);
302		}
303	<	catch (Exception ex) {
304	<	unexpectedException();
303	>	}
304	>
305	>	/**
306	>	* invokeAll(null) throws NPE
307	>	*/
308	>	public void testInvokeAll1() throws InterruptedException {
309	>	ExecutorService e = new DirectExecutorService();
310	>	try {
311	>	e.invokeAll(null);
312	>	shouldThrow();
313	>	} catch (NullPointerException success) {
314	>	} finally {
315	>	joinPool(e);
316		}
317		}
318
319		/**
320	<	*  execute(Executor, Runnable) throws RejectedExecutionException
244	<	*  if saturated.
320	>	* invokeAll(empty collection) returns empty collection
321		*/
322	<	public void testExecute1() {
323	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
322	>	public void testInvokeAll2() throws InterruptedException {
323	>	ExecutorService e = new DirectExecutorService();
324		try {
325	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
326	+	assertTrue(r.isEmpty());
327	+	} finally {
328	+	joinPool(e);
329	+	}
330	+	}
331
332	<	for(int i = 0; i < 5; ++i){
333	<	p.submit(new MediumRunnable());
334	<	}
332	>	/**
333	>	* invokeAll(c) throws NPE if c has null elements
334	>	*/
335	>	public void testInvokeAll3() throws InterruptedException {
336	>	ExecutorService e = new DirectExecutorService();
337	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
338	>	l.add(new StringTask());
339	>	l.add(null);
340	>	try {
341	>	e.invokeAll(l);
342		shouldThrow();
343	<	} catch(RejectedExecutionException success){}
344	<	joinPool(p);
343	>	} catch (NullPointerException success) {
344	>	} finally {
345	>	joinPool(e);
346	>	}
347		}
348
349		/**
350	<	*  execute(Executor, Callable)throws RejectedExecutionException
260	<	*  if saturated.
350	>	* get of returned element of invokeAll(c) throws exception on failed task
351		*/
352	<	public void testExecute2() {
353	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
352	>	public void testInvokeAll4() throws Exception {
353	>	ExecutorService e = new DirectExecutorService();
354		try {
355	<	for(int i = 0; i < 5; ++i) {
356	<	p.submit(new SmallCallable());
355	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
356	>	l.add(new NPETask());
357	>	List<Future<String>> futures = e.invokeAll(l);
358	>	assertEquals(1, futures.size());
359	>	try {
360	>	futures.get(0).get();
361	>	shouldThrow();
362	>	} catch (ExecutionException success) {
363	>	assertTrue(success.getCause() instanceof NullPointerException);
364		}
365	<	shouldThrow();
366	<	} catch(RejectedExecutionException e){}
367	<	joinPool(p);
365	>	} finally {
366	>	joinPool(e);
367	>	}
368		}
369
370	+	/**
371	+	* invokeAll(c) returns results of all completed tasks in c
372	+	*/
373	+	public void testInvokeAll5() throws Exception {
374	+	ExecutorService e = new DirectExecutorService();
375	+	try {
376	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
377	+	l.add(new StringTask());
378	+	l.add(new StringTask());
379	+	List<Future<String>> futures = e.invokeAll(l);
380	+	assertEquals(2, futures.size());
381	+	for (Future<String> future : futures)
382	+	assertSame(TEST_STRING, future.get());
383	+	} finally {
384	+	joinPool(e);
385	+	}
386	+	}
387
388		/**
389	<	*  invoke(Executor, Callable) throws InterruptedException if
276	<	*  caller interrupted.
389	>	* timed invokeAny(null) throws NPE
390		*/
391	<	public void testInterruptedInvoke() {
392	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
393	<	Thread t = new Thread(new Runnable() {
394	<	public void run() {
395	<	try {
396	<	p.invoke(new Callable<Object>() {
397	<	public Object call() {
398	<	try {
399	<	Thread.sleep(MEDIUM_DELAY_MS);
400	<	shouldThrow();
288	<	} catch(InterruptedException e){
289	<	}
290	<	return null;
291	<	}
292	<	});
293	<	} catch(InterruptedException success){
294	<	} catch(Exception e) {
295	<	unexpectedException();
296	<	}
391	>	public void testTimedInvokeAny1() throws Exception {
392	>	ExecutorService e = new DirectExecutorService();
393	>	try {
394	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
395	>	shouldThrow();
396	>	} catch (NullPointerException success) {
397	>	} finally {
398	>	joinPool(e);
399	>	}
400	>	}
401
402	<	}
403	<	});
402	>	/**
403	>	* timed invokeAny(null time unit) throws NPE
404	>	*/
405	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
406	>	ExecutorService e = new DirectExecutorService();
407	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
408	>	l.add(new StringTask());
409		try {
410	<	t.start();
411	<	Thread.sleep(SHORT_DELAY_MS);
412	<	t.interrupt();
413	<	} catch(Exception e){
414	<	unexpectedException();
410	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
411	>	shouldThrow();
412	>	} catch (NullPointerException success) {
413	>	} finally {
414	>	joinPool(e);
415		}
307	–	joinPool(p);
416		}
417
418		/**
419	<	*  invoke(Executor, Callable) throws InterruptedException if
312	<	*  callable throws exception
419	>	* timed invokeAny(empty collection) throws IAE
420		*/
421	<	public void testInvoke5() {
422	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
421	>	public void testTimedInvokeAny2() throws Exception {
422	>	ExecutorService e = new DirectExecutorService();
423	>	try {
424	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
425	>	shouldThrow();
426	>	} catch (IllegalArgumentException success) {
427	>	} finally {
428	>	joinPool(e);
429	>	}
430	>	}
431
432	<	final Callable c = new Callable() {
433	<	public Object call() {
434	<	try {
435	<	p.invoke(new SmallCallable());
436	<	shouldThrow();
437	<	} catch(InterruptedException e){}
438	<	catch(RejectedExecutionException e2){}
439	<	catch(ExecutionException e3){}
440	<	return Boolean.TRUE;
441	<	}
442	<	};
432	>	/**
433	>	* timed invokeAny(c) throws NPE if c has null elements
434	>	*/
435	>	public void testTimedInvokeAny3() throws Exception {
436	>	ExecutorService e = new DirectExecutorService();
437	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
438	>	l.add(new Callable<Long>() {
439	>	public Long call() { throw new ArithmeticException(); }});
440	>	l.add(null);
441	>	try {
442	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
443	>	shouldThrow();
444	>	} catch (NullPointerException success) {
445	>	} finally {
446	>	joinPool(e);
447	>	}
448	>	}
449
450	+	/**
451	+	* timed invokeAny(c) throws ExecutionException if no task completes
452	+	*/
453	+	public void testTimedInvokeAny4() throws Exception {
454	+	ExecutorService e = new DirectExecutorService();
455	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
456	+	l.add(new NPETask());
457	+	try {
458	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
459	+	shouldThrow();
460	+	} catch (ExecutionException success) {
461	+	assertTrue(success.getCause() instanceof NullPointerException);
462	+	} finally {
463	+	joinPool(e);
464	+	}
465	+	}
466
467	+	/**
468	+	* timed invokeAny(c) returns result of some task in c
469	+	*/
470	+	public void testTimedInvokeAny5() throws Exception {
471	+	ExecutorService e = new DirectExecutorService();
472	+	try {
473	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
474	+	l.add(new StringTask());
475	+	l.add(new StringTask());
476	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
477	+	assertSame(TEST_STRING, result);
478	+	} finally {
479	+	joinPool(e);
480	+	}
481	+	}
482
483	<	Thread t = new Thread(new Runnable() {
484	<	public void run() {
485	<	try {
486	<	c.call();
487	<	} catch(Exception e){}
336	<	}
337	<	});
483	>	/**
484	>	* timed invokeAll(null) throws NPE
485	>	*/
486	>	public void testTimedInvokeAll1() throws InterruptedException {
487	>	ExecutorService e = new DirectExecutorService();
488		try {
489	<	t.start();
490	<	Thread.sleep(SHORT_DELAY_MS);
491	<	t.interrupt();
492	<	t.join();
493	<	} catch(InterruptedException e){
344	<	unexpectedException();
489	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
490	>	shouldThrow();
491	>	} catch (NullPointerException success) {
492	>	} finally {
493	>	joinPool(e);
494		}
495	+	}
496
497	<	joinPool(p);
497	>	/**
498	>	* timed invokeAll(null time unit) throws NPE
499	>	*/
500	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
501	>	ExecutorService e = new DirectExecutorService();
502	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
503	>	l.add(new StringTask());
504	>	try {
505	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
506	>	shouldThrow();
507	>	} catch (NullPointerException success) {
508	>	} finally {
509	>	joinPool(e);
510	>	}
511		}
512
513		/**
514	<	*  invoke(Executor, Callable) will throw ExecutionException
352	<	*  if callable throws exception
514	>	* timed invokeAll(empty collection) returns empty collection
515		*/
516	<	public void testInvoke6() {
517	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
516	>	public void testTimedInvokeAll2() throws InterruptedException {
517	>	ExecutorService e = new DirectExecutorService();
518	>	try {
519	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
520	>	assertTrue(r.isEmpty());
521	>	} finally {
522	>	joinPool(e);
523	>	}
524	>	}
525
526	+	/**
527	+	* timed invokeAll(c) throws NPE if c has null elements
528	+	*/
529	+	public void testTimedInvokeAll3() throws InterruptedException {
530	+	ExecutorService e = new DirectExecutorService();
531	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
532	+	l.add(new StringTask());
533	+	l.add(null);
534		try {
535	<	Callable c = new Callable() {
536	<	public Object call() {
537	<	int i = 5/0;
538	<	return Boolean.TRUE;
539	<	}
540	<	};
535	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
536	>	shouldThrow();
537	>	} catch (NullPointerException success) {
538	>	} finally {
539	>	joinPool(e);
540	>	}
541	>	}
542
543	<	for(int i =0; i < 5; i++){
544	<	p.invoke(c);
543	>	/**
544	>	* get of returned element of invokeAll(c) throws exception on failed task
545	>	*/
546	>	public void testTimedInvokeAll4() throws Exception {
547	>	ExecutorService e = new DirectExecutorService();
548	>	try {
549	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
550	>	l.add(new NPETask());
551	>	List<Future<String>> futures =
552	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
553	>	assertEquals(1, futures.size());
554	>	try {
555	>	futures.get(0).get();
556	>	shouldThrow();
557	>	} catch (ExecutionException success) {
558	>	assertTrue(success.getCause() instanceof NullPointerException);
559		}
560	+	} finally {
561	+	joinPool(e);
562	+	}
563	+	}
564
565	<	shouldThrow();
565	>	/**
566	>	* timed invokeAll(c) returns results of all completed tasks in c
567	>	*/
568	>	public void testTimedInvokeAll5() throws Exception {
569	>	ExecutorService e = new DirectExecutorService();
570	>	try {
571	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
572	>	l.add(new StringTask());
573	>	l.add(new StringTask());
574	>	List<Future<String>> futures =
575	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
576	>	assertEquals(2, futures.size());
577	>	for (Future<String> future : futures)
578	>	assertSame(TEST_STRING, future.get());
579	>	} finally {
580	>	joinPool(e);
581		}
582	<	catch(ExecutionException success){
583	<	} catch(Exception e) {
584	<	unexpectedException();
582	>	}
583	>
584	>	/**
585	>	* timed invokeAll cancels tasks not completed by timeout
586	>	*/
587	>	public void testTimedInvokeAll6() throws InterruptedException {
588	>	ExecutorService e = new DirectExecutorService();
589	>	try {
590	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
591	>	l.add(new StringTask());
592	>	l.add(Executors.callable(possiblyInterruptedRunnable(2 * SHORT_DELAY_MS), TEST_STRING));
593	>	l.add(new StringTask());
594	>	List<Future<String>> futures =
595	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
596	>	assertEquals(l.size(), futures.size());
597	>	for (Future future : futures)
598	>	assertTrue(future.isDone());
599	>	assertFalse(futures.get(0).isCancelled());
600	>	assertFalse(futures.get(1).isCancelled());
601	>	assertTrue(futures.get(2).isCancelled());
602	>	} finally {
603	>	joinPool(e);
604		}
375	–	joinPool(p);
605		}
606
607		}

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