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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 1.30 by jsr166, Tue Mar 15 19:47:06 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
9
10		import junit.framework.*;
11		import java.util.*;
12		import java.util.concurrent.*;
13	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
14		import java.math.BigInteger;
15		import java.security.*;
16
17	<	public class AbstractExecutorServiceTest extends JSR166TestCase{
17	>	public class AbstractExecutorServiceTest extends JSR166TestCase {
18		public static void main(String[] args) {
19	<	junit.textui.TestRunner.run (suite());
19	>	junit.textui.TestRunner.run(suite());
20		}
21		public static Test suite() {
22		return new TestSuite(AbstractExecutorServiceTest.class);
23		}
24
25	<	/**
25	>	/**
26		* A no-frills implementation of AbstractExecutorService, designed
27		* to test the submit methods only.
28		*/
29		static class DirectExecutorService extends AbstractExecutorService {
30		public void execute(Runnable r) { r.run(); }
31		public void shutdown() { shutdown = true; }
32	<	public List<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; }
32	>	public List<Runnable> shutdownNow() {
33	>	shutdown = true;
34	>	return Collections.EMPTY_LIST;
35	>	}
36		public boolean isShutdown() { return shutdown; }
37		public boolean isTerminated() { return isShutdown(); }
38	<	public boolean awaitTermination(long timeout, TimeUnit unit) { return isShutdown(); }
38	>	public boolean awaitTermination(long timeout, TimeUnit unit) {
39	>	return isShutdown();
40	>	}
41		private volatile boolean shutdown = false;
42		}
43
44		/**
45	<	* execute of runnable runs it to completion
45	>	* execute(runnable) runs it to completion
46		*/
47	<	public void testExecuteRunnable() {
48	<	try {
49	<	ExecutorService e = new DirectExecutorService();
50	<	TrackedShortRunnable task = new TrackedShortRunnable();
51	<	assertFalse(task.done);
52	<	Future<?> future = e.submit(task);
53	<	future.get();
47	<	assertTrue(task.done);
48	<	}
49	<	catch (ExecutionException ex) {
50	<	unexpectedException();
51	<	}
52	<	catch (InterruptedException ex) {
53	<	unexpectedException();
54	<	}
47	>	public void testExecuteRunnable() throws Exception {
48	>	ExecutorService e = new DirectExecutorService();
49	>	TrackedShortRunnable task = new TrackedShortRunnable();
50	>	assertFalse(task.done);
51	>	Future<?> future = e.submit(task);
52	>	future.get();
53	>	assertTrue(task.done);
54		}
55
56
57		/**
58	<	* completed submit of callable returns result
58	>	* Completed submit(callable) returns result
59		*/
60	<	public void testSubmitCallable() {
61	<	try {
62	<	ExecutorService e = new DirectExecutorService();
63	<	Future<String> future = e.submit(new StringTask());
64	<	String result = future.get();
66	<	assertSame(TEST_STRING, result);
67	<	}
68	<	catch (ExecutionException ex) {
69	<	unexpectedException();
70	<	}
71	<	catch (InterruptedException ex) {
72	<	unexpectedException();
73	<	}
60	>	public void testSubmitCallable() throws Exception {
61	>	ExecutorService e = new DirectExecutorService();
62	>	Future<String> future = e.submit(new StringTask());
63	>	String result = future.get();
64	>	assertSame(TEST_STRING, result);
65		}
66
67		/**
68	<	* completed submit of runnable returns successfully
68	>	* Completed submit(runnable) returns successfully
69		*/
70	<	public void testSubmitRunnable() {
71	<	try {
72	<	ExecutorService e = new DirectExecutorService();
73	<	Future<?> future = e.submit(new NoOpRunnable());
74	<	future.get();
84	<	assertTrue(future.isDone());
85	<	}
86	<	catch (ExecutionException ex) {
87	<	unexpectedException();
88	<	}
89	<	catch (InterruptedException ex) {
90	<	unexpectedException();
91	<	}
70	>	public void testSubmitRunnable() throws Exception {
71	>	ExecutorService e = new DirectExecutorService();
72	>	Future<?> future = e.submit(new NoOpRunnable());
73	>	future.get();
74	>	assertTrue(future.isDone());
75		}
76
77		/**
78	<	* completed submit of (runnable, result) returns result
78	>	* Completed submit(runnable, result) returns result
79		*/
80	<	public void testSubmitRunnable2() {
81	<	try {
82	<	ExecutorService e = new DirectExecutorService();
83	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
84	<	String result = future.get();
102	<	assertSame(TEST_STRING, result);
103	<	}
104	<	catch (ExecutionException ex) {
105	<	unexpectedException();
106	<	}
107	<	catch (InterruptedException ex) {
108	<	unexpectedException();
109	<	}
80	>	public void testSubmitRunnable2() throws Exception {
81	>	ExecutorService e = new DirectExecutorService();
82	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
83	>	String result = future.get();
84	>	assertSame(TEST_STRING, result);
85		}
86
87
88		/**
89	<	* submit of a privileged action runs it to completion
89	>	* A submitted privileged action runs to completion
90		*/
91	<	public void testSubmitPrivilegedAction() {
92	<	Policy savedPolicy = Policy.getPolicy();
93	<	AdjustablePolicy policy = new AdjustablePolicy();
94	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
95	<	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() {
91	>	public void testSubmitPrivilegedAction() throws Exception {
92	>	Runnable r = new CheckedRunnable() {
93	>	public void realRun() throws Exception {
94	>	ExecutorService e = new DirectExecutorService();
95	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
96		public Object run() {
97		return TEST_STRING;
98		}}));
99
100	<	Object result = future.get();
101	<	assertSame(TEST_STRING, result);
102	<	}
103	<	catch (ExecutionException ex) {
104	<	unexpectedException();
105	<	}
106	<	catch (InterruptedException ex) {
136	<	unexpectedException();
137	<	}
138	<	finally {
139	<	Policy.setPolicy(savedPolicy);
140	<	}
100	>	assertSame(TEST_STRING, future.get());
101	>	}};
102	>
103	>	runWithPermissions(r,
104	>	new RuntimePermission("getClassLoader"),
105	>	new RuntimePermission("setContextClassLoader"),
106	>	new RuntimePermission("modifyThread"));
107		}
108
109		/**
110	<	* submit of a privileged exception action runs it to completion
110	>	* A submitted privileged exception action runs to completion
111		*/
112	<	public void testSubmitPrivilegedExceptionAction() {
113	<	Policy savedPolicy = Policy.getPolicy();
114	<	AdjustablePolicy policy = new AdjustablePolicy();
115	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
116	<	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() {
112	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
113	>	Runnable r = new CheckedRunnable() {
114	>	public void realRun() throws Exception {
115	>	ExecutorService e = new DirectExecutorService();
116	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
117		public Object run() {
118		return TEST_STRING;
119		}}));
120
121	<	Object result = future.get();
122	<	assertSame(TEST_STRING, result);
123	<	}
124	<	catch (ExecutionException ex) {
163	<	unexpectedException();
164	<	}
165	<	catch (InterruptedException ex) {
166	<	unexpectedException();
167	<	}
168	<	finally {
169	<	Policy.setPolicy(savedPolicy);
170	<	}
121	>	assertSame(TEST_STRING, future.get());
122	>	}};
123	>
124	>	runWithPermissions(r);
125		}
126
127		/**
128	<	* submit of a failed privileged exception action reports exception
128	>	* A submitted failed privileged exception action reports exception
129		*/
130	<	public void testSubmitFailedPrivilegedExceptionAction() {
131	<	Policy savedPolicy = Policy.getPolicy();
132	<	AdjustablePolicy policy = new AdjustablePolicy();
133	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
134	<	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() {
130	>	public void testSubmitFailedPrivilegedExceptionAction() 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() throws Exception {
136		throw new IndexOutOfBoundsException();
137		}}));
138
139	<	Object result = future.get();
140	<	shouldThrow();
141	<	}
142	<	catch (ExecutionException success) {
143	<	}
144	<	catch (InterruptedException ex) {
145	<	unexpectedException();
146	<	}
197	<	finally {
198	<	Policy.setPolicy(savedPolicy);
199	<	}
139	>	try {
140	>	future.get();
141	>	shouldThrow();
142	>	} catch (ExecutionException success) {
143	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
144	>	}}};
145	>
146	>	runWithPermissions(r);
147		}
148
149		/**
150	<	* execute with a null runnable throws NPE
150	>	* execute(null runnable) throws NPE
151		*/
152		public void testExecuteNullRunnable() {
153		try {
154		ExecutorService e = new DirectExecutorService();
155	<	TrackedShortRunnable task = null;
209	<	Future<?> future = e.submit(task);
155	>	e.submit((Runnable) null);
156		shouldThrow();
157	<	}
212	<	catch (NullPointerException success) {
213	<	}
214	<	catch (Exception ex) {
215	<	unexpectedException();
216	<	}
157	>	} catch (NullPointerException success) {}
158		}
159
160
161		/**
162	<	* submit of a null callable throws NPE
162	>	* submit(null callable) throws NPE
163		*/
164		public void testSubmitNullCallable() {
165		try {
166		ExecutorService e = new DirectExecutorService();
167	<	StringTask t = null;
227	<	Future<String> future = e.submit(t);
167	>	e.submit((Callable) null);
168		shouldThrow();
169	<	}
170	<	catch (NullPointerException success) {
171	<	}
172	<	catch (Exception ex) {
173	<	unexpectedException();
169	>	} catch (NullPointerException success) {}
170	>	}
171	>
172	>	/**
173	>	* submit(callable).get() throws InterruptedException if interrupted
174	>	*/
175	>	public void testInterruptedSubmit() throws InterruptedException {
176	>	final CountDownLatch submitted    = new CountDownLatch(1);
177	>	final CountDownLatch quittingTime = new CountDownLatch(1);
178	>	final ExecutorService p
179	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
180	>	new ArrayBlockingQueue<Runnable>(10));
181	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
182	>	public Void realCall() throws InterruptedException {
183	>	quittingTime.await();
184	>	return null;
185	>	}};
186	>	try {
187	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
188	>	public void realRun() throws Exception {
189	>	Future<Void> future = p.submit(awaiter);
190	>	submitted.countDown();
191	>	future.get();
192	>	}});
193	>	t.start();
194	>	submitted.await();
195	>	t.interrupt();
196	>	t.join();
197	>	} finally {
198	>	quittingTime.countDown();
199	>	joinPool(p);
200		}
201		}
202
203		/**
204	<	* submit of Runnable throws RejectedExecutionException if
205	<	* saturated.
204	>	* get of submit(callable) throws ExecutionException if callable
205	>	* throws exception
206		*/
207	<	public void testExecute1() {
208	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
209	<	try {
207	>	public void testSubmitEE() throws InterruptedException {
208	>	ThreadPoolExecutor p =
209	>	new ThreadPoolExecutor(1, 1,
210	>	60, TimeUnit.SECONDS,
211	>	new ArrayBlockingQueue<Runnable>(10));
212
213	<	for(int i = 0; i < 5; ++i){
214	<	p.submit(new MediumRunnable());
215	<	}
213	>	Callable c = new Callable() {
214	>	public Object call() { return 5/0; }};
215	>
216	>	try {
217	>	p.submit(c).get();
218		shouldThrow();
219	<	} catch(RejectedExecutionException success){}
219	>	} catch (ExecutionException success) {
220	>	assertTrue(success.getCause() instanceof ArithmeticException);
221	>	}
222		joinPool(p);
223		}
224
225		/**
226	<	* Completed submit of Callable throws RejectedExecutionException
255	<	*  if saturated.
226	>	* invokeAny(null) throws NPE
227		*/
228	<	public void testExecute2() {
229	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
228	>	public void testInvokeAny1() throws Exception {
229	>	ExecutorService e = new DirectExecutorService();
230		try {
231	<	for(int i = 0; i < 5; ++i) {
261	<	p.submit(new SmallCallable());
262	<	}
231	>	e.invokeAny(null);
232		shouldThrow();
233	<	} catch(RejectedExecutionException e){}
234	<	joinPool(p);
233	>	} catch (NullPointerException success) {
234	>	} finally {
235	>	joinPool(e);
236	>	}
237		}
238
268	–
239		/**
240	<	*  blocking on submit of Callable throws InterruptedException if
271	<	*  caller interrupted.
240	>	* invokeAny(empty collection) throws IAE
241		*/
242	<	public void testInterruptedSubmit() {
243	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
275	<	Thread t = new Thread(new Runnable() {
276	<	public void run() {
277	<	try {
278	<	p.submit(new Callable<Object>() {
279	<	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	<	});
242	>	public void testInvokeAny2() throws Exception {
243	>	ExecutorService e = new DirectExecutorService();
244		try {
245	<	t.start();
246	<	Thread.sleep(SHORT_DELAY_MS);
247	<	t.interrupt();
248	<	} catch(Exception e){
249	<	unexpectedException();
245	>	e.invokeAny(new ArrayList<Callable<String>>());
246	>	shouldThrow();
247	>	} catch (IllegalArgumentException success) {
248	>	} finally {
249	>	joinPool(e);
250		}
302	–	joinPool(p);
251		}
252
253		/**
254	<	*  get of submit of Callable throws Exception if callable
307	<	*  interrupted
254	>	* invokeAny(c) throws NPE if c has null elements
255		*/
256	<	public void testSubmitIE() {
257	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
256	>	public void testInvokeAny3() throws Exception {
257	>	ExecutorService e = new DirectExecutorService();
258	>	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
259	>	l.add(new Callable<Integer>() {
260	>	public Integer call() { return 5/0; }});
261	>	l.add(null);
262	>	try {
263	>	e.invokeAny(l);
264	>	shouldThrow();
265	>	} catch (NullPointerException success) {
266	>	} finally {
267	>	joinPool(e);
268	>	}
269	>	}
270
271	<	final Callable c = new Callable() {
272	<	public Object call() {
273	<	try {
274	<	p.submit(new SmallCallable()).get();
275	<	shouldThrow();
276	<	} catch(InterruptedException e){}
277	<	catch(RejectedExecutionException e2){}
278	<	catch(ExecutionException e3){}
279	<	return Boolean.TRUE;
280	<	}
281	<	};
271	>	/**
272	>	* invokeAny(c) throws ExecutionException if no task in c completes
273	>	*/
274	>	public void testInvokeAny4() throws InterruptedException {
275	>	ExecutorService e = new DirectExecutorService();
276	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
277	>	l.add(new NPETask());
278	>	try {
279	>	e.invokeAny(l);
280	>	shouldThrow();
281	>	} catch (ExecutionException success) {
282	>	assertTrue(success.getCause() instanceof NullPointerException);
283	>	} finally {
284	>	joinPool(e);
285	>	}
286	>	}
287
288	+	/**
289	+	* invokeAny(c) returns result of some task in c if at least one completes
290	+	*/
291	+	public void testInvokeAny5() throws Exception {
292	+	ExecutorService e = new DirectExecutorService();
293	+	try {
294	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
295	+	l.add(new StringTask());
296	+	l.add(new StringTask());
297	+	String result = e.invokeAny(l);
298	+	assertSame(TEST_STRING, result);
299	+	} finally {
300	+	joinPool(e);
301	+	}
302	+	}
303
304	+	/**
305	+	* invokeAll(null) throws NPE
306	+	*/
307	+	public void testInvokeAll1() throws InterruptedException {
308	+	ExecutorService e = new DirectExecutorService();
309	+	try {
310	+	e.invokeAll(null);
311	+	shouldThrow();
312	+	} catch (NullPointerException success) {
313	+	} finally {
314	+	joinPool(e);
315	+	}
316	+	}
317
318	<	Thread t = new Thread(new Runnable() {
319	<	public void run() {
320	<	try {
321	<	c.call();
322	<	} catch(Exception e){}
331	<	}
332	<	});
318	>	/**
319	>	* invokeAll(empty collection) returns empty collection
320	>	*/
321	>	public void testInvokeAll2() throws InterruptedException {
322	>	ExecutorService e = new DirectExecutorService();
323		try {
324	<	t.start();
325	<	Thread.sleep(SHORT_DELAY_MS);
326	<	t.interrupt();
327	<	t.join();
338	<	} catch(InterruptedException e){
339	<	unexpectedException();
324	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
325	>	assertTrue(r.isEmpty());
326	>	} finally {
327	>	joinPool(e);
328		}
329	+	}
330
331	<	joinPool(p);
331	>	/**
332	>	* invokeAll(c) throws NPE if c has null elements
333	>	*/
334	>	public void testInvokeAll3() throws InterruptedException {
335	>	ExecutorService e = new DirectExecutorService();
336	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
337	>	l.add(new StringTask());
338	>	l.add(null);
339	>	try {
340	>	e.invokeAll(l);
341	>	shouldThrow();
342	>	} catch (NullPointerException success) {
343	>	} finally {
344	>	joinPool(e);
345	>	}
346		}
347
348		/**
349	<	*  completed submit of Callable throws ExecutionException if
347	<	*  callable throws exception
349	>	* get of returned element of invokeAll(c) throws exception on failed task
350		*/
351	<	public void testSubmitEE() {
352	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
351	>	public void testInvokeAll4() throws Exception {
352	>	ExecutorService e = new DirectExecutorService();
353	>	try {
354	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
355	>	l.add(new NPETask());
356	>	List<Future<String>> futures = e.invokeAll(l);
357	>	assertEquals(1, futures.size());
358	>	try {
359	>	futures.get(0).get();
360	>	shouldThrow();
361	>	} catch (ExecutionException success) {
362	>	assertTrue(success.getCause() instanceof NullPointerException);
363	>	}
364	>	} finally {
365	>	joinPool(e);
366	>	}
367	>	}
368
369	+	/**
370	+	* invokeAll(c) returns results of all completed tasks in c
371	+	*/
372	+	public void testInvokeAll5() throws Exception {
373	+	ExecutorService e = new DirectExecutorService();
374		try {
375	<	Callable c = new Callable() {
376	<	public Object call() {
377	<	int i = 5/0;
378	<	return Boolean.TRUE;
379	<	}
380	<	};
375	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
376	>	l.add(new StringTask());
377	>	l.add(new StringTask());
378	>	List<Future<String>> futures = e.invokeAll(l);
379	>	assertEquals(2, futures.size());
380	>	for (Future<String> future : futures)
381	>	assertSame(TEST_STRING, future.get());
382	>	} finally {
383	>	joinPool(e);
384	>	}
385	>	}
386
360	–	for(int i =0; i < 5; i++){
361	–	p.submit(c).get();
362	–	}
387
388	+	/**
389	+	* timed invokeAny(null) throws NPE
390	+	*/
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		}
366	–	catch(ExecutionException success){
367	–	} catch(Exception e) {
368	–	unexpectedException();
369	–	}
370	–	joinPool(p);
400		}
401
402		/**
403	<	* invokeAny(null) throws NPE
403	>	* timed invokeAny(null time unit) throws NPE
404		*/
405	<	public void testInvokeAny1() {
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	<	e.invokeAny(null);
410	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
411	>	shouldThrow();
412		} catch (NullPointerException success) {
381	–	} catch(Exception ex) {
382	–	unexpectedException();
413		} finally {
414		joinPool(e);
415		}
416		}
417
418		/**
419	<	* invokeAny(empty collection) throws IAE
419	>	* timed invokeAny(empty collection) throws IAE
420		*/
421	<	public void testInvokeAny2() {
421	>	public void testTimedInvokeAny2() throws Exception {
422		ExecutorService e = new DirectExecutorService();
423		try {
424	<	e.invokeAny(new ArrayList<Callable<String>>());
424	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
425	>	shouldThrow();
426		} catch (IllegalArgumentException success) {
396	–	} catch(Exception ex) {
397	–	unexpectedException();
427		} finally {
428		joinPool(e);
429		}
430		}
431
432		/**
433	<	* invokeAny(c) throws NPE if c has null elements
433	>	* timed invokeAny(c) throws NPE if c has null elements
434		*/
435	<	public void testInvokeAny3() {
435	>	public void testTimedInvokeAny3() throws Exception {
436		ExecutorService e = new DirectExecutorService();
437	+	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
438	+	l.add(new Callable<Integer>() {
439	+	public Integer call() { return 5/0; }});
440	+	l.add(null);
441		try {
442	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
443	<	l.add(new StringTask());
411	<	l.add(null);
412	<	e.invokeAny(l);
442	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
443	>	shouldThrow();
444		} catch (NullPointerException success) {
414	–	} catch(Exception ex) {
415	–	unexpectedException();
445		} finally {
446		joinPool(e);
447		}
448		}
449
450		/**
451	<	* invokeAny(c) throws ExecutionException if no task completes
451	>	* timed invokeAny(c) throws ExecutionException if no task completes
452		*/
453	<	public void testInvokeAny4() {
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	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
459	<	l.add(new NPETask());
460	<	List<Future<String>> result = e.invokeAll(l);
461	<	assertEquals(1, result.size());
431	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
432	<	it.next().get();
433	<	} catch(ExecutionException success) {
434	<	} catch(Exception ex) {
435	<	unexpectedException();
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	<	* invokeAny(c) returns result of some task
468	>	* timed invokeAny(c) returns result of some task in c
469		*/
470	<	public void testInvokeAny5() {
470	>	public void testTimedInvokeAny5() throws Exception {
471		ExecutorService e = new DirectExecutorService();
472		try {
473	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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);
476	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
477		assertSame(TEST_STRING, result);
452	–	} catch (ExecutionException success) {
453	–	} catch(Exception ex) {
454	–	unexpectedException();
478		} finally {
479		joinPool(e);
480		}
481		}
482
483		/**
484	<	* invokeAll(null) throws NPE
484	>	* timed invokeAll(null) throws NPE
485		*/
486	<	public void testInvokeAll1() {
486	>	public void testTimedInvokeAll1() throws InterruptedException {
487		ExecutorService e = new DirectExecutorService();
488		try {
489	<	e.invokeAll(null);
489	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
490	>	shouldThrow();
491		} catch (NullPointerException success) {
468	–	} catch(Exception ex) {
469	–	unexpectedException();
492		} finally {
493		joinPool(e);
494		}
495		}
496
497		/**
498	<	* invokeAll(empty collection) returns empty collection
498	>	* timed invokeAll(null time unit) throws NPE
499		*/
500	<	public void testInvokeAll2() {
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	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
505	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
506	>	shouldThrow();
507	>	} catch (NullPointerException success) {
508	>	} finally {
509	>	joinPool(e);
510	>	}
511	>	}
512	>
513	>	/**
514	>	* timed invokeAll(empty collection) returns empty collection
515	>	*/
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());
483	–	} catch(Exception ex) {
484	–	unexpectedException();
521		} finally {
522		joinPool(e);
523		}
524		}
525
526		/**
527	<	* invokeAll(c) throws NPE if c has null elements
527	>	* timed invokeAll(c) throws NPE if c has null elements
528		*/
529	<	public void testInvokeAll3() {
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	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
536	<	l.add(new StringTask());
498	<	l.add(null);
499	<	e.invokeAll(l);
535	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
536	>	shouldThrow();
537		} catch (NullPointerException success) {
501	–	} catch(Exception ex) {
502	–	unexpectedException();
538		} finally {
539		joinPool(e);
540		}
541		}
542
543		/**
544	<	* get of element of invokeAll(c) throws exception on failed task
544	>	* get of returned element of invokeAll(c) throws exception on failed task
545		*/
546	<	public void testInvokeAll4() {
546	>	public void testTimedInvokeAll4() throws Exception {
547		ExecutorService e = new DirectExecutorService();
548		try {
549	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
549	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
550		l.add(new NPETask());
551	<	List<Future<String>> result = e.invokeAll(l);
552	<	assertEquals(1, result.size());
553	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
554	<	it.next().get();
555	<	} catch(ExecutionException success) {
556	<	} catch(Exception ex) {
557	<	unexpectedException();
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		/**
566	<	* invokeAll(c) returns results of all completed tasks
566	>	* timed invokeAll(c) returns results of all completed tasks in c
567		*/
568	<	public void testInvokeAll5() {
568	>	public void testTimedInvokeAll5() throws Exception {
569		ExecutorService e = new DirectExecutorService();
570		try {
571	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
571	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
572		l.add(new StringTask());
573		l.add(new StringTask());
574	<	List<Future<String>> result = e.invokeAll(l);
575	<	assertEquals(2, result.size());
576	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
577	<	assertSame(TEST_STRING, it.next().get());
578	<	} catch (ExecutionException success) {
579	<	} catch(Exception ex) {
580	<	unexpectedException();
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	>	}
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(3, futures.size());
597	>	Iterator<Future<String>> it = futures.iterator();
598	>	Future<String> f1 = it.next();
599	>	Future<String> f2 = it.next();
600	>	Future<String> f3 = it.next();
601	>	assertTrue(f1.isDone());
602	>	assertFalse(f1.isCancelled());
603	>	assertTrue(f2.isDone());
604	>	assertFalse(f2.isCancelled());
605	>	assertTrue(f3.isDone());
606	>	assertTrue(f3.isCancelled());
607		} finally {
608		joinPool(e);
609		}

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