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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 1.30 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(ExecutorsTest.class);
22	>	return new TestSuite(AbstractExecutorServiceTest.class);
23		}
24
25	<	/**
25	>	/**
26		* A no-frills implementation of AbstractExecutorService, designed
27	<	* to test the submit/invoke methods only.
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	<	private static final String TEST_STRING = "a test string";
45	<
46	<	private static class StringTask implements Callable<String> {
47	<	public String call() { return TEST_STRING; }
44	>	/**
45	>	* execute(runnable) runs it to completion
46	>	*/
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	<	* execute of runnable runs it to completion
58	>	* Completed submit(callable) returns result
59		*/
60	<	public void testExecuteRunnable() {
61	<	try {
62	<	ExecutorService e = new DirectExecutorService();
63	<	TrackedShortRunnable task = new TrackedShortRunnable();
64	<	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	<	}
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(runnable) returns successfully
69	+	*/
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	<	* execute of a callable runs it to completion
78	>	* Completed submit(runnable, result) returns result
79		*/
80	<	public void testExecuteCallable() {
81	<	try {
82	<	ExecutorService e = new DirectExecutorService();
83	<	Future<String> future = e.submit(new StringTask());
84	<	String result = future.get();
72	<	assertSame(TEST_STRING, result);
73	<	}
74	<	catch (ExecutionException ex) {
75	<	unexpectedException();
76	<	}
77	<	catch (InterruptedException ex) {
78	<	unexpectedException();
79	<	}
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	<	* execute of a privileged action runs it to completion
89	>	* A submitted privileged action runs to completion
90		*/
91	<	public void testExecutePrivilegedAction() {
92	<	Policy savedPolicy = Policy.getPolicy();
93	<	AdjustablePolicy policy = new AdjustablePolicy();
94	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
95	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
91	<	Policy.setPolicy(policy);
92	<	try {
93	<	ExecutorService e = new DirectExecutorService();
94	<	Future future = e.submit(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	<	}});
98	>	}}));
99
100	<	Object result = future.get();
101	<	assertSame(TEST_STRING, result);
102	<	}
103	<	catch (ExecutionException ex) {
104	<	unexpectedException();
105	<	}
106	<	catch (InterruptedException ex) {
106	<	unexpectedException();
107	<	}
108	<	finally {
109	<	Policy.setPolicy(savedPolicy);
110	<	}
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	<	* execute of a privileged exception action runs it to completion
110	>	* A submitted privileged exception action runs to completion
111		*/
112	<	public void testExecutePrivilegedExceptionAction() {
113	<	Policy savedPolicy = Policy.getPolicy();
114	<	AdjustablePolicy policy = new AdjustablePolicy();
115	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
116	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
121	<	Policy.setPolicy(policy);
122	<	try {
123	<	ExecutorService e = new DirectExecutorService();
124	<	Future future = e.submit(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	<	}});
119	>	}}));
120
121	<	Object result = future.get();
122	<	assertSame(TEST_STRING, result);
123	<	}
124	<	catch (ExecutionException ex) {
133	<	unexpectedException();
134	<	}
135	<	catch (InterruptedException ex) {
136	<	unexpectedException();
137	<	}
138	<	finally {
139	<	Policy.setPolicy(savedPolicy);
140	<	}
121	>	assertSame(TEST_STRING, future.get());
122	>	}};
123	>
124	>	runWithPermissions(r);
125		}
126
127		/**
128	<	* execute of a failed privileged exception action reports exception
128	>	* A submitted failed privileged exception action reports exception
129		*/
130	<	public void testExecuteFailedPrivilegedExceptionAction() {
131	<	Policy savedPolicy = Policy.getPolicy();
132	<	AdjustablePolicy policy = new AdjustablePolicy();
133	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
134	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
151	<	Policy.setPolicy(policy);
152	<	try {
153	<	ExecutorService e = new DirectExecutorService();
154	<	Future future = e.submit(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	<	}});
137	>	}}));
138	>
139	>	try {
140	>	future.get();
141	>	shouldThrow();
142	>	} catch (ExecutionException success) {
143	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
144	>	}}};
145
146	<	Object result = future.get();
146	>	runWithPermissions(r);
147	>	}
148	>
149	>	/**
150	>	* execute(null runnable) throws NPE
151	>	*/
152	>	public void testExecuteNullRunnable() {
153	>	try {
154	>	ExecutorService e = new DirectExecutorService();
155	>	e.submit((Runnable) null);
156		shouldThrow();
157	<	}
162	<	catch (ExecutionException success) {
163	<	}
164	<	catch (InterruptedException ex) {
165	<	unexpectedException();
166	<	}
167	<	finally {
168	<	Policy.setPolicy(savedPolicy);
169	<	}
157	>	} catch (NullPointerException success) {}
158		}
159
160	+
161		/**
162	<	* invoke of a callable runs it to completion
162	>	* submit(null callable) throws NPE
163		*/
164	<	public void testInvokeCallable() {
164	>	public void testSubmitNullCallable() {
165		try {
166		ExecutorService e = new DirectExecutorService();
167	<	String result = e.invoke(new StringTask());
167	>	e.submit((Callable) null);
168	>	shouldThrow();
169	>	} catch (NullPointerException success) {}
170	>	}
171
172	<	assertSame(TEST_STRING, result);
173	<	}
174	<	catch (ExecutionException ex) {
175	<	unexpectedException();
176	<	}
177	<	catch (InterruptedException ex) {
178	<	unexpectedException();
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	<	* execute with a null runnable throws NPE
204	>	* get of submit(callable) throws ExecutionException if callable
205	>	* throws exception
206		*/
207	<	public void testExecuteNullRunnable() {
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	>	Callable c = new Callable() {
214	>	public Object call() { return 5/0; }};
215	>
216		try {
217	<	ExecutorService e = new DirectExecutorService();
196	<	TrackedShortRunnable task = null;
197	<	Future<?> future = e.submit(task);
217	>	p.submit(c).get();
218		shouldThrow();
219	+	} catch (ExecutionException success) {
220	+	assertTrue(success.getCause() instanceof ArithmeticException);
221		}
222	<	catch (NullPointerException success) {
201	<	}
202	<	catch (Exception ex) {
203	<	unexpectedException();
204	<	}
222	>	joinPool(p);
223		}
224
207	–
225		/**
226	<	* execute of a null callable throws NPE
226	>	* invokeAny(null) throws NPE
227		*/
228	<	public void testExecuteNullCallable() {
228	>	public void testInvokeAny1() throws Exception {
229	>	ExecutorService e = new DirectExecutorService();
230		try {
231	<	ExecutorService e = new DirectExecutorService();
214	<	StringTask t = null;
215	<	Future<String> future = e.submit(t);
231	>	e.invokeAny(null);
232		shouldThrow();
233	+	} catch (NullPointerException success) {
234	+	} finally {
235	+	joinPool(e);
236		}
237	<	catch (NullPointerException success) {
237	>	}
238	>
239	>	/**
240	>	* invokeAny(empty collection) throws IAE
241	>	*/
242	>	public void testInvokeAny2() throws Exception {
243	>	ExecutorService e = new DirectExecutorService();
244	>	try {
245	>	e.invokeAny(new ArrayList<Callable<String>>());
246	>	shouldThrow();
247	>	} catch (IllegalArgumentException success) {
248	>	} finally {
249	>	joinPool(e);
250		}
251	<	catch (Exception ex) {
252	<	unexpectedException();
251	>	}
252	>
253	>	/**
254	>	* invokeAny(c) throws NPE if c has null elements
255	>	*/
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		/**
272	<	* invoke of a null callable throws NPE
272	>	* invokeAny(c) throws ExecutionException if no task in c completes
273		*/
274	<	public void testInvokeNullCallable() {
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	<	ExecutorService e = new DirectExecutorService();
231	<	StringTask t = null;
232	<	String result = e.invoke(t);
279	>	e.invokeAny(l);
280		shouldThrow();
281	+	} catch (ExecutionException success) {
282	+	assertTrue(success.getCause() instanceof NullPointerException);
283	+	} finally {
284	+	joinPool(e);
285		}
286	<	catch (NullPointerException success) {
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	<	catch (Exception ex) {
303	<	unexpectedException();
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		/**
319	<	*  execute(Executor, Runnable) throws RejectedExecutionException
244	<	*  if saturated.
319	>	* invokeAll(empty collection) returns empty collection
320		*/
321	<	public void testExecute1() {
322	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
321	>	public void testInvokeAll2() throws InterruptedException {
322	>	ExecutorService e = new DirectExecutorService();
323		try {
324	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
325	+	assertTrue(r.isEmpty());
326	+	} finally {
327	+	joinPool(e);
328	+	}
329	+	}
330
331	<	for(int i = 0; i < 5; ++i){
332	<	p.submit(new MediumRunnable());
333	<	}
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(RejectedExecutionException success){}
343	<	joinPool(p);
342	>	} catch (NullPointerException success) {
343	>	} finally {
344	>	joinPool(e);
345	>	}
346		}
347
348		/**
349	<	*  execute(Executor, Callable)throws RejectedExecutionException
260	<	*  if saturated.
349	>	* get of returned element of invokeAll(c) throws exception on failed task
350		*/
351	<	public void testExecute2() {
352	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
351	>	public void testInvokeAll4() throws Exception {
352	>	ExecutorService e = new DirectExecutorService();
353		try {
354	<	for(int i = 0; i < 5; ++i) {
355	<	p.submit(new SmallCallable());
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	<	shouldThrow();
365	<	} catch(RejectedExecutionException e){}
366	<	joinPool(p);
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	>	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
387
388		/**
389	<	*  invoke(Executor, Callable) throws InterruptedException if
276	<	*  caller interrupted.
389	>	* timed invokeAny(null) throws NPE
390		*/
391	<	public void testInterruptedInvoke() {
392	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
393	<	Thread t = new Thread(new Runnable() {
394	<	public void run() {
395	<	try {
396	<	p.invoke(new Callable<Object>() {
397	<	public Object call() {
398	<	try {
399	<	Thread.sleep(MEDIUM_DELAY_MS);
400	<	shouldThrow();
288	<	} catch(InterruptedException e){
289	<	}
290	<	return null;
291	<	}
292	<	});
293	<	} catch(InterruptedException success){
294	<	} catch(Exception e) {
295	<	unexpectedException();
296	<	}
391	>	public void testTimedInvokeAny1() throws Exception {
392	>	ExecutorService e = new DirectExecutorService();
393	>	try {
394	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
395	>	shouldThrow();
396	>	} catch (NullPointerException success) {
397	>	} finally {
398	>	joinPool(e);
399	>	}
400	>	}
401
402	<	}
403	<	});
402	>	/**
403	>	* timed invokeAny(null time unit) throws NPE
404	>	*/
405	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
406	>	ExecutorService e = new DirectExecutorService();
407	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
408	>	l.add(new StringTask());
409		try {
410	<	t.start();
411	<	Thread.sleep(SHORT_DELAY_MS);
412	<	t.interrupt();
413	<	} catch(Exception e){
414	<	unexpectedException();
410	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
411	>	shouldThrow();
412	>	} catch (NullPointerException success) {
413	>	} finally {
414	>	joinPool(e);
415		}
307	–	joinPool(p);
416		}
417
418		/**
419	<	*  invoke(Executor, Callable) throws InterruptedException if
312	<	*  callable throws exception
419	>	* timed invokeAny(empty collection) throws IAE
420		*/
421	<	public void testInvoke5() {
422	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
421	>	public void testTimedInvokeAny2() throws Exception {
422	>	ExecutorService e = new DirectExecutorService();
423	>	try {
424	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
425	>	shouldThrow();
426	>	} catch (IllegalArgumentException success) {
427	>	} finally {
428	>	joinPool(e);
429	>	}
430	>	}
431
432	<	final Callable c = new Callable() {
433	<	public Object call() {
434	<	try {
435	<	p.invoke(new SmallCallable());
436	<	shouldThrow();
437	<	} catch(InterruptedException e){}
438	<	catch(RejectedExecutionException e2){}
439	<	catch(ExecutionException e3){}
440	<	return Boolean.TRUE;
441	<	}
442	<	};
432	>	/**
433	>	* timed invokeAny(c) throws NPE if c has null elements
434	>	*/
435	>	public void testTimedInvokeAny3() throws Exception {
436	>	ExecutorService e = new DirectExecutorService();
437	>	List<Callable<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	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
443	>	shouldThrow();
444	>	} catch (NullPointerException success) {
445	>	} finally {
446	>	joinPool(e);
447	>	}
448	>	}
449
450	+	/**
451	+	* timed invokeAny(c) throws ExecutionException if no task completes
452	+	*/
453	+	public void testTimedInvokeAny4() throws Exception {
454	+	ExecutorService e = new DirectExecutorService();
455	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
456	+	l.add(new NPETask());
457	+	try {
458	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
459	+	shouldThrow();
460	+	} catch (ExecutionException success) {
461	+	assertTrue(success.getCause() instanceof NullPointerException);
462	+	} finally {
463	+	joinPool(e);
464	+	}
465	+	}
466
467	+	/**
468	+	* timed invokeAny(c) returns result of some task in c
469	+	*/
470	+	public void testTimedInvokeAny5() throws Exception {
471	+	ExecutorService e = new DirectExecutorService();
472	+	try {
473	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
474	+	l.add(new StringTask());
475	+	l.add(new StringTask());
476	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
477	+	assertSame(TEST_STRING, result);
478	+	} finally {
479	+	joinPool(e);
480	+	}
481	+	}
482
483	<	Thread t = new Thread(new Runnable() {
484	<	public void run() {
485	<	try {
486	<	c.call();
487	<	} catch(Exception e){}
336	<	}
337	<	});
483	>	/**
484	>	* timed invokeAll(null) throws NPE
485	>	*/
486	>	public void testTimedInvokeAll1() throws InterruptedException {
487	>	ExecutorService e = new DirectExecutorService();
488		try {
489	<	t.start();
490	<	Thread.sleep(SHORT_DELAY_MS);
491	<	t.interrupt();
492	<	t.join();
493	<	} catch(InterruptedException e){
344	<	unexpectedException();
489	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
490	>	shouldThrow();
491	>	} catch (NullPointerException success) {
492	>	} finally {
493	>	joinPool(e);
494		}
495	+	}
496
497	<	joinPool(p);
497	>	/**
498	>	* timed invokeAll(null time unit) throws NPE
499	>	*/
500	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
501	>	ExecutorService e = new DirectExecutorService();
502	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
503	>	l.add(new StringTask());
504	>	try {
505	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
506	>	shouldThrow();
507	>	} catch (NullPointerException success) {
508	>	} finally {
509	>	joinPool(e);
510	>	}
511		}
512
513		/**
514	<	*  invoke(Executor, Callable) will throw ExecutionException
352	<	*  if callable throws exception
514	>	* timed invokeAll(empty collection) returns empty collection
515		*/
516	<	public void testInvoke6() {
517	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
516	>	public void testTimedInvokeAll2() throws InterruptedException {
517	>	ExecutorService e = new DirectExecutorService();
518	>	try {
519	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
520	>	assertTrue(r.isEmpty());
521	>	} finally {
522	>	joinPool(e);
523	>	}
524	>	}
525
526	+	/**
527	+	* timed invokeAll(c) throws NPE if c has null elements
528	+	*/
529	+	public void testTimedInvokeAll3() throws InterruptedException {
530	+	ExecutorService e = new DirectExecutorService();
531	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
532	+	l.add(new StringTask());
533	+	l.add(null);
534		try {
535	<	Callable c = new Callable() {
536	<	public Object call() {
537	<	int i = 5/0;
538	<	return Boolean.TRUE;
539	<	}
540	<	};
535	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
536	>	shouldThrow();
537	>	} catch (NullPointerException success) {
538	>	} finally {
539	>	joinPool(e);
540	>	}
541	>	}
542
543	<	for(int i =0; i < 5; i++){
544	<	p.invoke(c);
543	>	/**
544	>	* get of returned element of invokeAll(c) throws exception on failed task
545	>	*/
546	>	public void testTimedInvokeAll4() throws Exception {
547	>	ExecutorService e = new DirectExecutorService();
548	>	try {
549	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
550	>	l.add(new NPETask());
551	>	List<Future<String>> futures =
552	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
553	>	assertEquals(1, futures.size());
554	>	try {
555	>	futures.get(0).get();
556	>	shouldThrow();
557	>	} catch (ExecutionException success) {
558	>	assertTrue(success.getCause() instanceof NullPointerException);
559		}
560	+	} finally {
561	+	joinPool(e);
562	+	}
563	+	}
564
565	<	shouldThrow();
565	>	/**
566	>	* timed invokeAll(c) returns results of all completed tasks in c
567	>	*/
568	>	public void testTimedInvokeAll5() throws Exception {
569	>	ExecutorService e = new DirectExecutorService();
570	>	try {
571	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
572	>	l.add(new StringTask());
573	>	l.add(new StringTask());
574	>	List<Future<String>> futures =
575	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
576	>	assertEquals(2, futures.size());
577	>	for (Future<String> future : futures)
578	>	assertSame(TEST_STRING, future.get());
579	>	} finally {
580	>	joinPool(e);
581		}
582	<	catch(ExecutionException success){
583	<	} catch(Exception e) {
584	<	unexpectedException();
582	>	}
583	>
584	>	/**
585	>	* timed invokeAll cancels tasks not completed by timeout
586	>	*/
587	>	public void testTimedInvokeAll6() throws InterruptedException {
588	>	ExecutorService e = new DirectExecutorService();
589	>	try {
590	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
591	>	l.add(new StringTask());
592	>	l.add(Executors.callable(possiblyInterruptedRunnable(2 * SHORT_DELAY_MS), TEST_STRING));
593	>	l.add(new StringTask());
594	>	List<Future<String>> futures =
595	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
596	>	assertEquals(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		}
375	–	joinPool(p);
610		}
611
612		}

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