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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 1.31 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(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();
47	<	assertTrue(task.done);
48	<	}
49	<	catch (ExecutionException ex) {
50	<	unexpectedException();
51	<	}
52	<	catch (InterruptedException ex) {
53	<	unexpectedException();
54	<	}
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
57	–
55		/**
56	<	* completed submit of callable returns result
56	>	* Completed submit(callable) returns result
57		*/
58	<	public void testSubmitCallable() {
59	<	try {
60	<	ExecutorService e = new DirectExecutorService();
61	<	Future<String> future = e.submit(new StringTask());
62	<	String result = future.get();
66	<	assertSame(TEST_STRING, result);
67	<	}
68	<	catch (ExecutionException ex) {
69	<	unexpectedException();
70	<	}
71	<	catch (InterruptedException ex) {
72	<	unexpectedException();
73	<	}
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
65		/**
66	<	* completed submit of runnable returns successfully
66	>	* Completed submit(runnable) returns successfully
67		*/
68	<	public void testSubmitRunnable() {
69	<	try {
70	<	ExecutorService e = new DirectExecutorService();
71	<	Future<?> future = e.submit(new NoOpRunnable());
72	<	future.get();
84	<	assertTrue(future.isDone());
85	<	}
86	<	catch (ExecutionException ex) {
87	<	unexpectedException();
88	<	}
89	<	catch (InterruptedException ex) {
90	<	unexpectedException();
91	<	}
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 of (runnable, result) returns result
76	>	* Completed submit(runnable, result) returns result
77		*/
78	<	public void testSubmitRunnable2() {
79	<	try {
80	<	ExecutorService e = new DirectExecutorService();
81	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
82	<	String result = future.get();
102	<	assertSame(TEST_STRING, result);
103	<	}
104	<	catch (ExecutionException ex) {
105	<	unexpectedException();
106	<	}
107	<	catch (InterruptedException ex) {
108	<	unexpectedException();
109	<	}
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
112	–
85		/**
86	<	* submit of a privileged action runs it to completion
86	>	* A submitted privileged action runs to completion
87		*/
88	<	public void testSubmitPrivilegedAction() {
89	<	Policy savedPolicy = Policy.getPolicy();
90	<	AdjustablePolicy policy = new AdjustablePolicy();
91	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
92	<	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() {
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		}}));
96
97	<	Object result = future.get();
98	<	assertSame(TEST_STRING, result);
99	<	}
100	<	catch (ExecutionException ex) {
101	<	unexpectedException();
102	<	}
103	<	catch (InterruptedException ex) {
136	<	unexpectedException();
137	<	}
138	<	finally {
139	<	Policy.setPolicy(savedPolicy);
140	<	}
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	<	* submit of a privileged exception action runs it to completion
107	>	* A submitted privileged exception action runs to completion
108		*/
109	<	public void testSubmitPrivilegedExceptionAction() {
110	<	Policy savedPolicy = Policy.getPolicy();
111	<	AdjustablePolicy policy = new AdjustablePolicy();
112	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
113	<	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() {
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		}}));
117
118	<	Object result = future.get();
119	<	assertSame(TEST_STRING, result);
120	<	}
121	<	catch (ExecutionException ex) {
163	<	unexpectedException();
164	<	}
165	<	catch (InterruptedException ex) {
166	<	unexpectedException();
167	<	}
168	<	finally {
169	<	Policy.setPolicy(savedPolicy);
170	<	}
118	>	assertSame(TEST_STRING, future.get());
119	>	}};
120	>
121	>	runWithPermissions(r);
122		}
123
124		/**
125	<	* submit of a failed privileged exception action reports exception
125	>	* A submitted failed privileged exception action reports exception
126		*/
127	<	public void testSubmitFailedPrivilegedExceptionAction() {
128	<	Policy savedPolicy = Policy.getPolicy();
129	<	AdjustablePolicy policy = new AdjustablePolicy();
130	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
131	<	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() {
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		}}));
135
136	<	Object result = future.get();
137	<	shouldThrow();
138	<	}
139	<	catch (ExecutionException success) {
140	<	}
141	<	catch (InterruptedException ex) {
142	<	unexpectedException();
143	<	}
197	<	finally {
198	<	Policy.setPolicy(savedPolicy);
199	<	}
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 with a null runnable throws NPE
147	>	* execute(null runnable) throws NPE
148		*/
149		public void testExecuteNullRunnable() {
150		try {
151		ExecutorService e = new DirectExecutorService();
152	<	TrackedShortRunnable task = null;
209	<	Future<?> future = e.submit(task);
152	>	e.submit((Runnable) null);
153		shouldThrow();
154	<	}
212	<	catch (NullPointerException success) {
213	<	}
214	<	catch (Exception ex) {
215	<	unexpectedException();
216	<	}
154	>	} catch (NullPointerException success) {}
155		}
156
219	–
157		/**
158	<	* submit of a null callable throws NPE
158	>	* submit(null callable) throws NPE
159		*/
160		public void testSubmitNullCallable() {
161		try {
162		ExecutorService e = new DirectExecutorService();
163	<	StringTask t = null;
227	<	Future<String> future = e.submit(t);
163	>	e.submit((Callable) null);
164		shouldThrow();
165	<	}
166	<	catch (NullPointerException success) {
167	<	}
168	<	catch (Exception ex) {
169	<	unexpectedException();
165	>	} catch (NullPointerException success) {}
166	>	}
167	>
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	<	* submit of Runnable throws RejectedExecutionException if
201	<	* saturated.
200	>	* get of submit(callable) throws ExecutionException if callable
201	>	* throws exception
202		*/
203	<	public void testExecute1() {
204	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
205	<	try {
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	<	for(int i = 0; i < 5; ++i){
210	<	p.submit(new MediumRunnable());
211	<	}
209	>	Callable c = new Callable() {
210	>	public Object call() { return 5/0; }};
211	>
212	>	try {
213	>	p.submit(c).get();
214		shouldThrow();
215	<	} catch(RejectedExecutionException success){}
215	>	} catch (ExecutionException success) {
216	>	assertTrue(success.getCause() instanceof ArithmeticException);
217	>	}
218		joinPool(p);
219		}
220
221		/**
222	<	* Completed submit of Callable throws RejectedExecutionException
255	<	*  if saturated.
222	>	* invokeAny(null) throws NPE
223		*/
224	<	public void testExecute2() {
225	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
224	>	public void testInvokeAny1() throws Exception {
225	>	ExecutorService e = new DirectExecutorService();
226		try {
227	<	for(int i = 0; i < 5; ++i) {
261	<	p.submit(new SmallCallable());
262	<	}
227	>	e.invokeAny(null);
228		shouldThrow();
229	<	} catch(RejectedExecutionException e){}
230	<	joinPool(p);
229	>	} catch (NullPointerException success) {
230	>	} finally {
231	>	joinPool(e);
232	>	}
233		}
234
268	–
235		/**
236	<	*  blocking on submit of Callable throws InterruptedException if
271	<	*  caller interrupted.
236	>	* invokeAny(empty collection) throws IAE
237		*/
238	<	public void testInterruptedSubmit() {
239	<	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	<	});
238	>	public void testInvokeAny2() throws Exception {
239	>	ExecutorService e = new DirectExecutorService();
240		try {
241	<	t.start();
242	<	Thread.sleep(SHORT_DELAY_MS);
243	<	t.interrupt();
244	<	} catch(Exception e){
245	<	unexpectedException();
241	>	e.invokeAny(new ArrayList<Callable<String>>());
242	>	shouldThrow();
243	>	} catch (IllegalArgumentException success) {
244	>	} finally {
245	>	joinPool(e);
246		}
302	–	joinPool(p);
247		}
248
249		/**
250	<	*  get of submit of Callable throws Exception if callable
307	<	*  interrupted
250	>	* invokeAny(c) throws NPE if c has null elements
251		*/
252	<	public void testSubmitIE() {
253	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
254	<
255	<	final Callable c = new Callable() {
256	<	public Object call() {
257	<	try {
258	<	p.submit(new SmallCallable()).get();
259	<	shouldThrow();
260	<	} catch(InterruptedException e){}
261	<	catch(RejectedExecutionException e2){}
262	<	catch(ExecutionException e3){}
263	<	return Boolean.TRUE;
264	<	}
265	<	};
323	<
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	+	* invokeAny(c) throws ExecutionException if no task in c completes
269	+	*/
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	+	e.invokeAny(l);
276	+	shouldThrow();
277	+	} catch (ExecutionException success) {
278	+	assertTrue(success.getCause() instanceof NullPointerException);
279	+	} finally {
280	+	joinPool(e);
281	+	}
282	+	}
283
284	<	Thread t = new Thread(new Runnable() {
285	<	public void run() {
286	<	try {
287	<	c.call();
288	<	} catch(Exception e){}
331	<	}
332	<	});
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	<	t.start();
291	<	Thread.sleep(SHORT_DELAY_MS);
292	<	t.interrupt();
293	<	t.join();
294	<	} catch(InterruptedException e){
295	<	unexpectedException();
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	+	}
299
300	<	joinPool(p);
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	<	*  completed submit of Callable throws ExecutionException if
347	<	*  callable throws exception
315	>	* invokeAll(empty collection) returns empty collection
316		*/
317	<	public void testSubmitEE() {
318	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
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	+	/**
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	<	Callable c = new Callable() {
337	<	public Object call() {
338	<	int i = 5/0;
339	<	return Boolean.TRUE;
340	<	}
341	<	};
336	>	e.invokeAll(l);
337	>	shouldThrow();
338	>	} catch (NullPointerException success) {
339	>	} finally {
340	>	joinPool(e);
341	>	}
342	>	}
343
344	<	for(int i =0; i < 5; i++){
345	<	p.submit(c).get();
344	>	/**
345	>	* get of returned element of invokeAll(c) throws exception on failed task
346	>	*/
347	>	public void testInvokeAll4() throws Exception {
348	>	ExecutorService e = new DirectExecutorService();
349	>	try {
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	+	} finally {
361	+	joinPool(e);
362	+	}
363	+	}
364
365	<	shouldThrow();
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	<	catch(ExecutionException success){
382	<	} catch(Exception e) {
383	<	unexpectedException();
381	>	}
382	>
383	>	/**
384	>	* timed invokeAny(null) throws NPE
385	>	*/
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		}
370	–	joinPool(p);
395		}
396
397		/**
398	<	* invokeAny(null) throws NPE
398	>	* timed invokeAny(null time unit) throws NPE
399		*/
400	<	public void testInvokeAny1() {
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	<	e.invokeAny(null);
405	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
406	>	shouldThrow();
407		} catch (NullPointerException success) {
381	–	} catch(Exception ex) {
382	–	unexpectedException();
408		} finally {
409		joinPool(e);
410		}
411		}
412
413		/**
414	<	* invokeAny(empty collection) throws IAE
414	>	* timed invokeAny(empty collection) throws IAE
415		*/
416	<	public void testInvokeAny2() {
416	>	public void testTimedInvokeAny2() throws Exception {
417		ExecutorService e = new DirectExecutorService();
418		try {
419	<	e.invokeAny(new ArrayList<Callable<String>>());
419	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
420	>	shouldThrow();
421		} catch (IllegalArgumentException success) {
396	–	} catch(Exception ex) {
397	–	unexpectedException();
422		} finally {
423		joinPool(e);
424		}
425		}
426
427		/**
428	<	* invokeAny(c) throws NPE if c has null elements
428	>	* timed invokeAny(c) throws NPE if c has null elements
429		*/
430	<	public void testInvokeAny3() {
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	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
438	<	l.add(new StringTask());
411	<	l.add(null);
412	<	e.invokeAny(l);
437	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
438	>	shouldThrow();
439		} catch (NullPointerException success) {
414	–	} catch(Exception ex) {
415	–	unexpectedException();
440		} finally {
441		joinPool(e);
442		}
443		}
444
445		/**
446	<	* invokeAny(c) throws ExecutionException if no task completes
446	>	* timed invokeAny(c) throws ExecutionException if no task completes
447		*/
448	<	public void testInvokeAny4() {
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	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
454	<	l.add(new NPETask());
455	<	List<Future<String>> result = e.invokeAll(l);
456	<	assertEquals(1, result.size());
431	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
432	<	it.next().get();
433	<	} catch(ExecutionException success) {
434	<	} catch(Exception ex) {
435	<	unexpectedException();
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	<	* invokeAny(c) returns result of some task
463	>	* timed invokeAny(c) returns result of some task in c
464		*/
465	<	public void testInvokeAny5() {
465	>	public void testTimedInvokeAny5() throws Exception {
466		ExecutorService e = new DirectExecutorService();
467		try {
468	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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);
471	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
472		assertSame(TEST_STRING, result);
452	–	} catch (ExecutionException success) {
453	–	} catch(Exception ex) {
454	–	unexpectedException();
473		} finally {
474		joinPool(e);
475		}
476		}
477
478		/**
479	<	* invokeAll(null) throws NPE
479	>	* timed invokeAll(null) throws NPE
480		*/
481	<	public void testInvokeAll1() {
481	>	public void testTimedInvokeAll1() throws InterruptedException {
482		ExecutorService e = new DirectExecutorService();
483		try {
484	<	e.invokeAll(null);
484	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
485	>	shouldThrow();
486		} catch (NullPointerException success) {
468	–	} catch(Exception ex) {
469	–	unexpectedException();
487		} finally {
488		joinPool(e);
489		}
490		}
491
492		/**
493	<	* invokeAll(empty collection) returns empty collection
493	>	* timed invokeAll(null time unit) throws NPE
494		*/
495	<	public void testInvokeAll2() {
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	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
500	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
501	>	shouldThrow();
502	>	} catch (NullPointerException success) {
503	>	} finally {
504	>	joinPool(e);
505	>	}
506	>	}
507	>
508	>	/**
509	>	* timed invokeAll(empty collection) returns empty collection
510	>	*/
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());
483	–	} catch(Exception ex) {
484	–	unexpectedException();
516		} finally {
517		joinPool(e);
518		}
519		}
520
521		/**
522	<	* invokeAll(c) throws NPE if c has null elements
522	>	* timed invokeAll(c) throws NPE if c has null elements
523		*/
524	<	public void testInvokeAll3() {
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	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
531	<	l.add(new StringTask());
498	<	l.add(null);
499	<	e.invokeAll(l);
530	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
531	>	shouldThrow();
532		} catch (NullPointerException success) {
501	–	} catch(Exception ex) {
502	–	unexpectedException();
533		} finally {
534		joinPool(e);
535		}
536		}
537
538		/**
539	<	* get of element of invokeAll(c) throws exception on failed task
539	>	* get of returned element of invokeAll(c) throws exception on failed task
540		*/
541	<	public void testInvokeAll4() {
541	>	public void testTimedInvokeAll4() throws Exception {
542		ExecutorService e = new DirectExecutorService();
543		try {
544	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
544	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
545		l.add(new NPETask());
546	<	List<Future<String>> result = e.invokeAll(l);
547	<	assertEquals(1, result.size());
548	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
549	<	it.next().get();
550	<	} catch(ExecutionException success) {
551	<	} catch(Exception ex) {
552	<	unexpectedException();
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		/**
561	<	* invokeAll(c) returns results of all completed tasks
561	>	* timed invokeAll(c) returns results of all completed tasks in c
562		*/
563	<	public void testInvokeAll5() {
563	>	public void testTimedInvokeAll5() throws Exception {
564		ExecutorService e = new DirectExecutorService();
565		try {
566	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
566	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
567		l.add(new StringTask());
568		l.add(new StringTask());
569	<	List<Future<String>> result = e.invokeAll(l);
570	<	assertEquals(2, result.size());
571	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
572	<	assertSame(TEST_STRING, it.next().get());
573	<	} catch (ExecutionException success) {
574	<	} catch(Exception ex) {
575	<	unexpectedException();
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	>	}
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		}

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