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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 1.34 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(AbstractExecutorServiceTest.class);
22		}
23
24	<	/**
24	>	/**
25		* A no-frills implementation of AbstractExecutorService, designed
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		/**
44	<	* execute of runnable runs it to completion
44	>	* execute(runnable) runs it to completion
45		*/
46	<	public void testExecuteRunnable() {
47	<	try {
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	<	catch (ExecutionException ex) {
56	<	unexpectedException();
57	<	}
52	<	catch (InterruptedException ex) {
53	<	unexpectedException();
54	<	}
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
57	–
60		/**
61	<	* completed submit of callable returns result
61	>	* Completed submit(callable) returns result
62		*/
63	<	public void testSubmitCallable() {
64	<	try {
65	<	ExecutorService e = new DirectExecutorService();
66	<	Future<String> future = e.submit(new StringTask());
67	<	String result = future.get();
66	<	assertSame(TEST_STRING, result);
67	<	}
68	<	catch (ExecutionException ex) {
69	<	unexpectedException();
70	<	}
71	<	catch (InterruptedException ex) {
72	<	unexpectedException();
73	<	}
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
70		/**
71	<	* completed submit of runnable returns successfully
71	>	* Completed submit(runnable) returns successfully
72		*/
73	<	public void testSubmitRunnable() {
74	<	try {
75	<	ExecutorService e = new DirectExecutorService();
76	<	Future<?> future = e.submit(new NoOpRunnable());
77	<	future.get();
84	<	assertTrue(future.isDone());
85	<	}
86	<	catch (ExecutionException ex) {
87	<	unexpectedException();
88	<	}
89	<	catch (InterruptedException ex) {
90	<	unexpectedException();
91	<	}
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 of (runnable, result) returns result
81	>	* Completed submit(runnable, result) returns result
82		*/
83	<	public void testSubmitRunnable2() {
84	<	try {
85	<	ExecutorService e = new DirectExecutorService();
86	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
87	<	String result = future.get();
102	<	assertSame(TEST_STRING, result);
103	<	}
104	<	catch (ExecutionException ex) {
105	<	unexpectedException();
106	<	}
107	<	catch (InterruptedException ex) {
108	<	unexpectedException();
109	<	}
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
112	–
90		/**
91	<	* submit of a privileged action runs it to completion
91	>	* A submitted privileged action runs to completion
92		*/
93	<	public void testSubmitPrivilegedAction() {
94	<	Policy savedPolicy = Policy.getPolicy();
95	<	AdjustablePolicy policy = new AdjustablePolicy();
96	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
97	<	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() {
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		}}));
101
102	<	Object result = future.get();
103	<	assertSame(TEST_STRING, result);
104	<	}
105	<	catch (ExecutionException ex) {
106	<	unexpectedException();
107	<	}
108	<	catch (InterruptedException ex) {
136	<	unexpectedException();
137	<	}
138	<	finally {
139	<	Policy.setPolicy(savedPolicy);
140	<	}
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	<	* submit of a privileged exception action runs it to completion
112	>	* A submitted privileged exception action runs to completion
113		*/
114	<	public void testSubmitPrivilegedExceptionAction() {
115	<	Policy savedPolicy = Policy.getPolicy();
116	<	AdjustablePolicy policy = new AdjustablePolicy();
117	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
118	<	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() {
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		}}));
122
123	<	Object result = future.get();
124	<	assertSame(TEST_STRING, result);
125	<	}
126	<	catch (ExecutionException ex) {
163	<	unexpectedException();
164	<	}
165	<	catch (InterruptedException ex) {
166	<	unexpectedException();
167	<	}
168	<	finally {
169	<	Policy.setPolicy(savedPolicy);
170	<	}
123	>	assertSame(TEST_STRING, future.get());
124	>	}};
125	>
126	>	runWithPermissions(r);
127		}
128
129		/**
130	<	* submit of a failed privileged exception action reports exception
130	>	* A submitted failed privileged exception action reports exception
131		*/
132	<	public void testSubmitFailedPrivilegedExceptionAction() {
133	<	Policy savedPolicy = Policy.getPolicy();
134	<	AdjustablePolicy policy = new AdjustablePolicy();
135	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
136	<	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() {
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		}}));
140
141	<	Object result = future.get();
142	<	shouldThrow();
143	<	}
144	<	catch (ExecutionException success) {
145	<	}
146	<	catch (InterruptedException ex) {
147	<	unexpectedException();
148	<	}
197	<	finally {
198	<	Policy.setPolicy(savedPolicy);
199	<	}
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 with a null runnable throws NPE
152	>	* execute(null runnable) throws NPE
153		*/
154		public void testExecuteNullRunnable() {
155		try {
156		ExecutorService e = new DirectExecutorService();
157	<	TrackedShortRunnable task = null;
209	<	Future<?> future = e.submit(task);
157	>	e.submit((Runnable) null);
158		shouldThrow();
159	<	}
212	<	catch (NullPointerException success) {
213	<	}
214	<	catch (Exception ex) {
215	<	unexpectedException();
216	<	}
159	>	} catch (NullPointerException success) {}
160		}
161
219	–
162		/**
163	<	* submit of a null callable throws NPE
163	>	* submit(null callable) throws NPE
164		*/
165		public void testSubmitNullCallable() {
166		try {
167		ExecutorService e = new DirectExecutorService();
168	<	StringTask t = null;
227	<	Future<String> future = e.submit(t);
168	>	e.submit((Callable) null);
169		shouldThrow();
170	<	}
171	<	catch (NullPointerException success) {
172	<	}
173	<	catch (Exception ex) {
174	<	unexpectedException();
170	>	} catch (NullPointerException success) {}
171	>	}
172	>
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	<	* submit of Runnable throws RejectedExecutionException if
206	<	* saturated.
205	>	* get of submit(callable) throws ExecutionException if callable
206	>	* throws exception
207		*/
208	<	public void testExecute1() {
209	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
210	<	try {
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	<	for(int i = 0; i < 5; ++i){
215	<	p.submit(new MediumRunnable());
216	<	}
214	>	Callable c = new Callable() {
215	>	public Object call() { throw new ArithmeticException(); }};
216	>
217	>	try {
218	>	p.submit(c).get();
219		shouldThrow();
220	<	} catch(RejectedExecutionException success){}
220	>	} catch (ExecutionException success) {
221	>	assertTrue(success.getCause() instanceof ArithmeticException);
222	>	}
223		joinPool(p);
224		}
225
226		/**
227	<	* Completed submit of Callable throws RejectedExecutionException
255	<	*  if saturated.
227	>	* invokeAny(null) throws NPE
228		*/
229	<	public void testExecute2() {
230	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
229	>	public void testInvokeAny1() throws Exception {
230	>	ExecutorService e = new DirectExecutorService();
231		try {
232	<	for(int i = 0; i < 5; ++i) {
261	<	p.submit(new SmallCallable());
262	<	}
232	>	e.invokeAny(null);
233		shouldThrow();
234	<	} catch(RejectedExecutionException e){}
235	<	joinPool(p);
234	>	} catch (NullPointerException success) {
235	>	} finally {
236	>	joinPool(e);
237	>	}
238		}
239
268	–
240		/**
241	<	*  blocking on submit of Callable throws InterruptedException if
271	<	*  caller interrupted.
241	>	* invokeAny(empty collection) throws IAE
242		*/
243	<	public void testInterruptedSubmit() {
244	<	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	<	});
243	>	public void testInvokeAny2() throws Exception {
244	>	ExecutorService e = new DirectExecutorService();
245		try {
246	<	t.start();
247	<	Thread.sleep(SHORT_DELAY_MS);
248	<	t.interrupt();
249	<	} catch(Exception e){
250	<	unexpectedException();
246	>	e.invokeAny(new ArrayList<Callable<String>>());
247	>	shouldThrow();
248	>	} catch (IllegalArgumentException success) {
249	>	} finally {
250	>	joinPool(e);
251		}
302	–	joinPool(p);
252		}
253
254		/**
255	<	*  get of submit of Callable throws Exception if callable
307	<	*  interrupted
255	>	* invokeAny(c) throws NPE if c has null elements
256		*/
257	<	public void testSubmitIE() {
258	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
259	<
260	<	final Callable c = new Callable() {
261	<	public Object call() {
262	<	try {
263	<	p.submit(new SmallCallable()).get();
264	<	shouldThrow();
265	<	} catch(InterruptedException e){}
266	<	catch(RejectedExecutionException e2){}
267	<	catch(ExecutionException e3){}
268	<	return Boolean.TRUE;
269	<	}
270	<	};
323	<
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	+	* invokeAny(c) throws ExecutionException if no task in c completes
274	+	*/
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	+	e.invokeAny(l);
281	+	shouldThrow();
282	+	} catch (ExecutionException success) {
283	+	assertTrue(success.getCause() instanceof NullPointerException);
284	+	} finally {
285	+	joinPool(e);
286	+	}
287	+	}
288
289	<	Thread t = new Thread(new Runnable() {
290	<	public void run() {
291	<	try {
292	<	c.call();
293	<	} catch(Exception e){}
331	<	}
332	<	});
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	<	t.start();
296	<	Thread.sleep(SHORT_DELAY_MS);
297	<	t.interrupt();
298	<	t.join();
299	<	} catch(InterruptedException e){
300	<	unexpectedException();
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	+	}
304
305	<	joinPool(p);
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	<	*  completed submit of Callable throws ExecutionException if
347	<	*  callable throws exception
320	>	* invokeAll(empty collection) returns empty collection
321		*/
322	<	public void testSubmitEE() {
323	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
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	+	/**
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	<	Callable c = new Callable() {
342	<	public Object call() {
343	<	int i = 5/0;
344	<	return Boolean.TRUE;
345	<	}
346	<	};
341	>	e.invokeAll(l);
342	>	shouldThrow();
343	>	} catch (NullPointerException success) {
344	>	} finally {
345	>	joinPool(e);
346	>	}
347	>	}
348
349	<	for(int i =0; i < 5; i++){
350	<	p.submit(c).get();
349	>	/**
350	>	* get of returned element of invokeAll(c) throws exception on failed task
351	>	*/
352	>	public void testInvokeAll4() throws Exception {
353	>	ExecutorService e = new DirectExecutorService();
354	>	try {
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	+	} finally {
366	+	joinPool(e);
367	+	}
368	+	}
369
370	<	shouldThrow();
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	<	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	>	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		}
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<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	<	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(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		}

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