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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 1.31 by jsr166, Sat May 28 22:33:35 2011 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 static java.util.concurrent.TimeUnit.MILLISECONDS;
13		import java.math.BigInteger;
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	>	TrackedShortRunnable task = new TrackedShortRunnable();
49	>	assertFalse(task.done);
50	>	Future<?> future = e.submit(task);
51	>	future.get();
52	>	assertTrue(task.done);
53		}
54
55		/**
56	<	* execute of runnable runs it to completion
56	>	* Completed submit(callable) returns result
57		*/
58	<	public void testExecuteRunnable() {
59	<	try {
60	<	ExecutorService e = new DirectExecutorService();
61	<	TrackedShortRunnable task = new TrackedShortRunnable();
62	<	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	<	}
58	>	public void testSubmitCallable() throws Exception {
59	>	ExecutorService e = new DirectExecutorService();
60	>	Future<String> future = e.submit(new StringTask());
61	>	String result = future.get();
62	>	assertSame(TEST_STRING, result);
63		}
64
63	–
65		/**
66	<	* execute of a callable runs it to completion
66	>	* Completed submit(runnable) returns successfully
67		*/
68	<	public void testExecuteCallable() {
69	<	try {
70	<	ExecutorService e = new DirectExecutorService();
71	<	Future<String> future = e.submit(new StringTask());
72	<	String result = future.get();
72	<	assertSame(TEST_STRING, result);
73	<	}
74	<	catch (ExecutionException ex) {
75	<	unexpectedException();
76	<	}
77	<	catch (InterruptedException ex) {
78	<	unexpectedException();
79	<	}
68	>	public void testSubmitRunnable() throws Exception {
69	>	ExecutorService e = new DirectExecutorService();
70	>	Future<?> future = e.submit(new NoOpRunnable());
71	>	future.get();
72	>	assertTrue(future.isDone());
73		}
74
75	+	/**
76	+	* Completed submit(runnable, result) returns result
77	+	*/
78	+	public void testSubmitRunnable2() throws Exception {
79	+	ExecutorService e = new DirectExecutorService();
80	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
81	+	String result = future.get();
82	+	assertSame(TEST_STRING, result);
83	+	}
84
85		/**
86	<	* execute of a privileged action runs it to completion
86	>	* A submitted privileged action runs to completion
87		*/
88	<	public void testExecutePrivilegedAction() {
89	<	Policy savedPolicy = Policy.getPolicy();
90	<	AdjustablePolicy policy = new AdjustablePolicy();
91	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
92	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
91	<	Policy.setPolicy(policy);
92	<	try {
93	<	ExecutorService e = new DirectExecutorService();
94	<	Future future = e.submit(new PrivilegedAction() {
88	>	public void testSubmitPrivilegedAction() throws Exception {
89	>	Runnable r = new CheckedRunnable() {
90	>	public void realRun() throws Exception {
91	>	ExecutorService e = new DirectExecutorService();
92	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
93		public Object run() {
94		return TEST_STRING;
95	<	}});
95	>	}}));
96
97	<	Object result = future.get();
98	<	assertSame(TEST_STRING, result);
99	<	}
100	<	catch (ExecutionException ex) {
101	<	unexpectedException();
102	<	}
103	<	catch (InterruptedException ex) {
106	<	unexpectedException();
107	<	}
108	<	finally {
109	<	Policy.setPolicy(savedPolicy);
110	<	}
97	>	assertSame(TEST_STRING, future.get());
98	>	}};
99	>
100	>	runWithPermissions(r,
101	>	new RuntimePermission("getClassLoader"),
102	>	new RuntimePermission("setContextClassLoader"),
103	>	new RuntimePermission("modifyThread"));
104		}
105
106		/**
107	<	* execute of a privileged exception action runs it to completion
107	>	* A submitted privileged exception action runs to completion
108		*/
109	<	public void testExecutePrivilegedExceptionAction() {
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(new PrivilegedExceptionAction() {
109	>	public void testSubmitPrivilegedExceptionAction() 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 PrivilegedExceptionAction() {
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) {
133	<	unexpectedException();
134	<	}
135	<	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		}
123
124		/**
125	<	* execute of a failed privileged exception action reports exception
125	>	* A submitted failed privileged exception action reports exception
126		*/
127	<	public void testExecuteFailedPrivilegedExceptionAction() {
128	<	Policy savedPolicy = Policy.getPolicy();
129	<	AdjustablePolicy policy = new AdjustablePolicy();
130	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
131	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
151	<	Policy.setPolicy(policy);
152	<	try {
153	<	ExecutorService e = new DirectExecutorService();
154	<	Future future = e.submit(new PrivilegedExceptionAction() {
127	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
128	>	Runnable r = new CheckedRunnable() {
129	>	public void realRun() throws Exception {
130	>	ExecutorService e = new DirectExecutorService();
131	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
132		public Object run() throws Exception {
133		throw new IndexOutOfBoundsException();
134	<	}});
134	>	}}));
135
136	<	Object result = future.get();
136	>	try {
137	>	future.get();
138	>	shouldThrow();
139	>	} catch (ExecutionException success) {
140	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
141	>	}}};
142	>
143	>	runWithPermissions(r);
144	>	}
145	>
146	>	/**
147	>	* execute(null runnable) throws NPE
148	>	*/
149	>	public void testExecuteNullRunnable() {
150	>	try {
151	>	ExecutorService e = new DirectExecutorService();
152	>	e.submit((Runnable) null);
153		shouldThrow();
154	<	}
162	<	catch (ExecutionException success) {
163	<	}
164	<	catch (InterruptedException ex) {
165	<	unexpectedException();
166	<	}
167	<	finally {
168	<	Policy.setPolicy(savedPolicy);
169	<	}
154	>	} catch (NullPointerException success) {}
155		}
156
157		/**
158	<	* invoke of a callable runs it to completion
158	>	* submit(null callable) throws NPE
159		*/
160	<	public void testInvokeCallable() {
160	>	public void testSubmitNullCallable() {
161		try {
162		ExecutorService e = new DirectExecutorService();
163	<	String result = e.invoke(new StringTask());
163	>	e.submit((Callable) null);
164	>	shouldThrow();
165	>	} catch (NullPointerException success) {}
166	>	}
167
168	<	assertSame(TEST_STRING, result);
169	<	}
170	<	catch (ExecutionException ex) {
171	<	unexpectedException();
172	<	}
173	<	catch (InterruptedException ex) {
174	<	unexpectedException();
168	>	/**
169	>	* submit(callable).get() throws InterruptedException if interrupted
170	>	*/
171	>	public void testInterruptedSubmit() throws InterruptedException {
172	>	final CountDownLatch submitted    = new CountDownLatch(1);
173	>	final CountDownLatch quittingTime = new CountDownLatch(1);
174	>	final ExecutorService p
175	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
176	>	new ArrayBlockingQueue<Runnable>(10));
177	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
178	>	public Void realCall() throws InterruptedException {
179	>	quittingTime.await();
180	>	return null;
181	>	}};
182	>	try {
183	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
184	>	public void realRun() throws Exception {
185	>	Future<Void> future = p.submit(awaiter);
186	>	submitted.countDown();
187	>	future.get();
188	>	}});
189	>	t.start();
190	>	submitted.await();
191	>	t.interrupt();
192	>	t.join();
193	>	} finally {
194	>	quittingTime.countDown();
195	>	joinPool(p);
196		}
197		}
198
199		/**
200	<	* execute with a null runnable throws NPE
200	>	* get of submit(callable) throws ExecutionException if callable
201	>	* throws exception
202		*/
203	<	public void testExecuteNullRunnable() {
203	>	public void testSubmitEE() throws InterruptedException {
204	>	ThreadPoolExecutor p =
205	>	new ThreadPoolExecutor(1, 1,
206	>	60, TimeUnit.SECONDS,
207	>	new ArrayBlockingQueue<Runnable>(10));
208	>
209	>	Callable c = new Callable() {
210	>	public Object call() { return 5/0; }};
211	>
212		try {
213	<	ExecutorService e = new DirectExecutorService();
196	<	TrackedShortRunnable task = null;
197	<	Future<?> future = e.submit(task);
213	>	p.submit(c).get();
214		shouldThrow();
215	+	} catch (ExecutionException success) {
216	+	assertTrue(success.getCause() instanceof ArithmeticException);
217		}
218	<	catch (NullPointerException success) {
201	<	}
202	<	catch (Exception ex) {
203	<	unexpectedException();
204	<	}
218	>	joinPool(p);
219		}
220
207	–
221		/**
222	<	* execute of a null callable throws NPE
222	>	* invokeAny(null) throws NPE
223		*/
224	<	public void testExecuteNullCallable() {
224	>	public void testInvokeAny1() throws Exception {
225	>	ExecutorService e = new DirectExecutorService();
226		try {
227	<	ExecutorService e = new DirectExecutorService();
214	<	StringTask t = null;
215	<	Future<String> future = e.submit(t);
227	>	e.invokeAny(null);
228		shouldThrow();
229	+	} catch (NullPointerException success) {
230	+	} finally {
231	+	joinPool(e);
232		}
233	<	catch (NullPointerException success) {
233	>	}
234	>
235	>	/**
236	>	* invokeAny(empty collection) throws IAE
237	>	*/
238	>	public void testInvokeAny2() throws Exception {
239	>	ExecutorService e = new DirectExecutorService();
240	>	try {
241	>	e.invokeAny(new ArrayList<Callable<String>>());
242	>	shouldThrow();
243	>	} catch (IllegalArgumentException success) {
244	>	} finally {
245	>	joinPool(e);
246		}
247	<	catch (Exception ex) {
248	<	unexpectedException();
247	>	}
248	>
249	>	/**
250	>	* invokeAny(c) throws NPE if c has null elements
251	>	*/
252	>	public void testInvokeAny3() throws Exception {
253	>	ExecutorService e = new DirectExecutorService();
254	>	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
255	>	l.add(new Callable<Integer>() {
256	>	public Integer call() { return 5/0; }});
257	>	l.add(null);
258	>	try {
259	>	e.invokeAny(l);
260	>	shouldThrow();
261	>	} catch (NullPointerException success) {
262	>	} finally {
263	>	joinPool(e);
264		}
265		}
266
267		/**
268	<	* invoke of a null callable throws NPE
268	>	* invokeAny(c) throws ExecutionException if no task in c completes
269		*/
270	<	public void testInvokeNullCallable() {
270	>	public void testInvokeAny4() throws InterruptedException {
271	>	ExecutorService e = new DirectExecutorService();
272	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
273	>	l.add(new NPETask());
274		try {
275	<	ExecutorService e = new DirectExecutorService();
231	<	StringTask t = null;
232	<	String result = e.invoke(t);
275	>	e.invokeAny(l);
276		shouldThrow();
277	+	} catch (ExecutionException success) {
278	+	assertTrue(success.getCause() instanceof NullPointerException);
279	+	} finally {
280	+	joinPool(e);
281		}
282	<	catch (NullPointerException success) {
282	>	}
283	>
284	>	/**
285	>	* invokeAny(c) returns result of some task in c if at least one completes
286	>	*/
287	>	public void testInvokeAny5() throws Exception {
288	>	ExecutorService e = new DirectExecutorService();
289	>	try {
290	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
291	>	l.add(new StringTask());
292	>	l.add(new StringTask());
293	>	String result = e.invokeAny(l);
294	>	assertSame(TEST_STRING, result);
295	>	} finally {
296	>	joinPool(e);
297		}
298	<	catch (Exception ex) {
299	<	unexpectedException();
298	>	}
299	>
300	>	/**
301	>	* invokeAll(null) throws NPE
302	>	*/
303	>	public void testInvokeAll1() throws InterruptedException {
304	>	ExecutorService e = new DirectExecutorService();
305	>	try {
306	>	e.invokeAll(null);
307	>	shouldThrow();
308	>	} catch (NullPointerException success) {
309	>	} finally {
310	>	joinPool(e);
311		}
312		}
313
314		/**
315	<	*  execute(Executor, Runnable) throws RejectedExecutionException
244	<	*  if saturated.
315	>	* invokeAll(empty collection) returns empty collection
316		*/
317	<	public void testExecute1() {
318	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
317	>	public void testInvokeAll2() throws InterruptedException {
318	>	ExecutorService e = new DirectExecutorService();
319		try {
320	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
321	+	assertTrue(r.isEmpty());
322	+	} finally {
323	+	joinPool(e);
324	+	}
325	+	}
326
327	<	for(int i = 0; i < 5; ++i){
328	<	p.submit(new MediumRunnable());
329	<	}
327	>	/**
328	>	* invokeAll(c) throws NPE if c has null elements
329	>	*/
330	>	public void testInvokeAll3() throws InterruptedException {
331	>	ExecutorService e = new DirectExecutorService();
332	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
333	>	l.add(new StringTask());
334	>	l.add(null);
335	>	try {
336	>	e.invokeAll(l);
337		shouldThrow();
338	<	} catch(RejectedExecutionException success){}
339	<	joinPool(p);
338	>	} catch (NullPointerException success) {
339	>	} finally {
340	>	joinPool(e);
341	>	}
342		}
343
344		/**
345	<	*  execute(Executor, Callable)throws RejectedExecutionException
260	<	*  if saturated.
345	>	* get of returned element of invokeAll(c) throws exception on failed task
346		*/
347	<	public void testExecute2() {
348	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
347	>	public void testInvokeAll4() throws Exception {
348	>	ExecutorService e = new DirectExecutorService();
349		try {
350	<	for(int i = 0; i < 5; ++i) {
351	<	p.submit(new SmallCallable());
350	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
351	>	l.add(new NPETask());
352	>	List<Future<String>> futures = e.invokeAll(l);
353	>	assertEquals(1, futures.size());
354	>	try {
355	>	futures.get(0).get();
356	>	shouldThrow();
357	>	} catch (ExecutionException success) {
358	>	assertTrue(success.getCause() instanceof NullPointerException);
359		}
360	<	shouldThrow();
361	<	} catch(RejectedExecutionException e){}
362	<	joinPool(p);
360	>	} finally {
361	>	joinPool(e);
362	>	}
363		}
364
365	+	/**
366	+	* invokeAll(c) returns results of all completed tasks in c
367	+	*/
368	+	public void testInvokeAll5() throws Exception {
369	+	ExecutorService e = new DirectExecutorService();
370	+	try {
371	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
372	+	l.add(new StringTask());
373	+	l.add(new StringTask());
374	+	List<Future<String>> futures = e.invokeAll(l);
375	+	assertEquals(2, futures.size());
376	+	for (Future<String> future : futures)
377	+	assertSame(TEST_STRING, future.get());
378	+	} finally {
379	+	joinPool(e);
380	+	}
381	+	}
382
383		/**
384	<	*  invoke(Executor, Callable) throws InterruptedException if
276	<	*  caller interrupted.
384	>	* timed invokeAny(null) throws NPE
385		*/
386	<	public void testInterruptedInvoke() {
387	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
388	<	Thread t = new Thread(new Runnable() {
389	<	public void run() {
390	<	try {
391	<	p.invoke(new Callable<Object>() {
392	<	public Object call() {
393	<	try {
394	<	Thread.sleep(MEDIUM_DELAY_MS);
395	<	shouldThrow();
288	<	} catch(InterruptedException e){
289	<	}
290	<	return null;
291	<	}
292	<	});
293	<	} catch(InterruptedException success){
294	<	} catch(Exception e) {
295	<	unexpectedException();
296	<	}
386	>	public void testTimedInvokeAny1() throws Exception {
387	>	ExecutorService e = new DirectExecutorService();
388	>	try {
389	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
390	>	shouldThrow();
391	>	} catch (NullPointerException success) {
392	>	} finally {
393	>	joinPool(e);
394	>	}
395	>	}
396
397	<	}
398	<	});
397	>	/**
398	>	* timed invokeAny(null time unit) throws NPE
399	>	*/
400	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
401	>	ExecutorService e = new DirectExecutorService();
402	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
403	>	l.add(new StringTask());
404		try {
405	<	t.start();
406	<	Thread.sleep(SHORT_DELAY_MS);
407	<	t.interrupt();
408	<	} catch(Exception e){
409	<	unexpectedException();
405	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
406	>	shouldThrow();
407	>	} catch (NullPointerException success) {
408	>	} finally {
409	>	joinPool(e);
410		}
307	–	joinPool(p);
411		}
412
413		/**
414	<	*  invoke(Executor, Callable) throws InterruptedException if
312	<	*  callable throws exception
414	>	* timed invokeAny(empty collection) throws IAE
415		*/
416	<	public void testInvoke5() {
417	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
416	>	public void testTimedInvokeAny2() throws Exception {
417	>	ExecutorService e = new DirectExecutorService();
418	>	try {
419	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
420	>	shouldThrow();
421	>	} catch (IllegalArgumentException success) {
422	>	} finally {
423	>	joinPool(e);
424	>	}
425	>	}
426
427	<	final Callable c = new Callable() {
428	<	public Object call() {
429	<	try {
430	<	p.invoke(new SmallCallable());
431	<	shouldThrow();
432	<	} catch(InterruptedException e){}
433	<	catch(RejectedExecutionException e2){}
434	<	catch(ExecutionException e3){}
435	<	return Boolean.TRUE;
436	<	}
437	<	};
427	>	/**
428	>	* timed invokeAny(c) throws NPE if c has null elements
429	>	*/
430	>	public void testTimedInvokeAny3() throws Exception {
431	>	ExecutorService e = new DirectExecutorService();
432	>	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
433	>	l.add(new Callable<Integer>() {
434	>	public Integer call() { return 5/0; }});
435	>	l.add(null);
436	>	try {
437	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
438	>	shouldThrow();
439	>	} catch (NullPointerException success) {
440	>	} finally {
441	>	joinPool(e);
442	>	}
443	>	}
444
445	+	/**
446	+	* timed invokeAny(c) throws ExecutionException if no task completes
447	+	*/
448	+	public void testTimedInvokeAny4() throws Exception {
449	+	ExecutorService e = new DirectExecutorService();
450	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
451	+	l.add(new NPETask());
452	+	try {
453	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
454	+	shouldThrow();
455	+	} catch (ExecutionException success) {
456	+	assertTrue(success.getCause() instanceof NullPointerException);
457	+	} finally {
458	+	joinPool(e);
459	+	}
460	+	}
461
462	+	/**
463	+	* timed invokeAny(c) returns result of some task in c
464	+	*/
465	+	public void testTimedInvokeAny5() throws Exception {
466	+	ExecutorService e = new DirectExecutorService();
467	+	try {
468	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
469	+	l.add(new StringTask());
470	+	l.add(new StringTask());
471	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
472	+	assertSame(TEST_STRING, result);
473	+	} finally {
474	+	joinPool(e);
475	+	}
476	+	}
477
478	<	Thread t = new Thread(new Runnable() {
479	<	public void run() {
480	<	try {
481	<	c.call();
482	<	} catch(Exception e){}
336	<	}
337	<	});
478	>	/**
479	>	* timed invokeAll(null) throws NPE
480	>	*/
481	>	public void testTimedInvokeAll1() throws InterruptedException {
482	>	ExecutorService e = new DirectExecutorService();
483		try {
484	<	t.start();
485	<	Thread.sleep(SHORT_DELAY_MS);
486	<	t.interrupt();
487	<	t.join();
488	<	} catch(InterruptedException e){
344	<	unexpectedException();
484	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
485	>	shouldThrow();
486	>	} catch (NullPointerException success) {
487	>	} finally {
488	>	joinPool(e);
489		}
490	+	}
491
492	<	joinPool(p);
492	>	/**
493	>	* timed invokeAll(null time unit) throws NPE
494	>	*/
495	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
496	>	ExecutorService e = new DirectExecutorService();
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	>	} finally {
504	>	joinPool(e);
505	>	}
506		}
507
508		/**
509	<	*  invoke(Executor, Callable) will throw ExecutionException
352	<	*  if callable throws exception
509	>	* timed invokeAll(empty collection) returns empty collection
510		*/
511	<	public void testInvoke6() {
512	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
511	>	public void testTimedInvokeAll2() throws InterruptedException {
512	>	ExecutorService e = new DirectExecutorService();
513	>	try {
514	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
515	>	assertTrue(r.isEmpty());
516	>	} finally {
517	>	joinPool(e);
518	>	}
519	>	}
520
521	+	/**
522	+	* timed invokeAll(c) throws NPE if c has null elements
523	+	*/
524	+	public void testTimedInvokeAll3() throws InterruptedException {
525	+	ExecutorService e = new DirectExecutorService();
526	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
527	+	l.add(new StringTask());
528	+	l.add(null);
529		try {
530	<	Callable c = new Callable() {
531	<	public Object call() {
532	<	int i = 5/0;
533	<	return Boolean.TRUE;
534	<	}
535	<	};
530	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
531	>	shouldThrow();
532	>	} catch (NullPointerException success) {
533	>	} finally {
534	>	joinPool(e);
535	>	}
536	>	}
537
538	<	for(int i =0; i < 5; i++){
539	<	p.invoke(c);
538	>	/**
539	>	* get of returned element of invokeAll(c) throws exception on failed task
540	>	*/
541	>	public void testTimedInvokeAll4() throws Exception {
542	>	ExecutorService e = new DirectExecutorService();
543	>	try {
544	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
545	>	l.add(new NPETask());
546	>	List<Future<String>> futures =
547	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
548	>	assertEquals(1, futures.size());
549	>	try {
550	>	futures.get(0).get();
551	>	shouldThrow();
552	>	} catch (ExecutionException success) {
553	>	assertTrue(success.getCause() instanceof NullPointerException);
554		}
555	+	} finally {
556	+	joinPool(e);
557	+	}
558	+	}
559
560	<	shouldThrow();
560	>	/**
561	>	* timed invokeAll(c) returns results of all completed tasks in c
562	>	*/
563	>	public void testTimedInvokeAll5() throws Exception {
564	>	ExecutorService e = new DirectExecutorService();
565	>	try {
566	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
567	>	l.add(new StringTask());
568	>	l.add(new StringTask());
569	>	List<Future<String>> futures =
570	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
571	>	assertEquals(2, futures.size());
572	>	for (Future<String> future : futures)
573	>	assertSame(TEST_STRING, future.get());
574	>	} finally {
575	>	joinPool(e);
576		}
577	<	catch(ExecutionException success){
578	<	} catch(Exception e) {
579	<	unexpectedException();
577	>	}
578	>
579	>	/**
580	>	* timed invokeAll cancels tasks not completed by timeout
581	>	*/
582	>	public void testTimedInvokeAll6() throws InterruptedException {
583	>	ExecutorService e = new DirectExecutorService();
584	>	try {
585	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
586	>	l.add(new StringTask());
587	>	l.add(Executors.callable(possiblyInterruptedRunnable(2 * SHORT_DELAY_MS), TEST_STRING));
588	>	l.add(new StringTask());
589	>	List<Future<String>> futures =
590	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
591	>	assertEquals(3, futures.size());
592	>	Iterator<Future<String>> it = futures.iterator();
593	>	Future<String> f1 = it.next();
594	>	Future<String> f2 = it.next();
595	>	Future<String> f3 = it.next();
596	>	assertTrue(f1.isDone());
597	>	assertFalse(f1.isCancelled());
598	>	assertTrue(f2.isDone());
599	>	assertFalse(f2.isCancelled());
600	>	assertTrue(f3.isDone());
601	>	assertTrue(f3.isCancelled());
602	>	} finally {
603	>	joinPool(e);
604		}
375	–	joinPool(p);
605		}
606
607		}

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