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root/jsr166/jsr166/src/test/tck/AbstractExecutorServiceTest.java

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.7 by dl, Mon Dec 22 16:25:38 2003 UTC vs.
Revision 1.25 by jsr166, Thu Sep 16 02:54:10 2010 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/licenses/publicdomain
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		*/
#	Line 35 | Line 37 | public class AbstractExecutorServiceTest
37		}
38
39		/**
40	<	* execute of runnable runs it to completion
40	>	* execute(runnable) runs it to completion
41		*/
42	<	public void testExecuteRunnable() {
43	<	try {
44	<	ExecutorService e = new DirectExecutorService();
45	<	TrackedShortRunnable task = new TrackedShortRunnable();
46	<	assertFalse(task.done);
47	<	Future<?> future = e.submit(task);
48	<	future.get();
47	<	assertTrue(task.done);
48	<	}
49	<	catch (ExecutionException ex) {
50	<	unexpectedException();
51	<	}
52	<	catch (InterruptedException ex) {
53	<	unexpectedException();
54	<	}
42	>	public void testExecuteRunnable() throws Exception {
43	>	ExecutorService e = new DirectExecutorService();
44	>	TrackedShortRunnable task = new TrackedShortRunnable();
45	>	assertFalse(task.done);
46	>	Future<?> future = e.submit(task);
47	>	future.get();
48	>	assertTrue(task.done);
49		}
50
51
52		/**
53	<	* completed submit of callable returns result
53	>	* Completed submit(callable) returns result
54		*/
55	<	public void testSubmitCallable() {
56	<	try {
57	<	ExecutorService e = new DirectExecutorService();
58	<	Future<String> future = e.submit(new StringTask());
59	<	String result = future.get();
66	<	assertSame(TEST_STRING, result);
67	<	}
68	<	catch (ExecutionException ex) {
69	<	unexpectedException();
70	<	}
71	<	catch (InterruptedException ex) {
72	<	unexpectedException();
73	<	}
55	>	public void testSubmitCallable() throws Exception {
56	>	ExecutorService e = new DirectExecutorService();
57	>	Future<String> future = e.submit(new StringTask());
58	>	String result = future.get();
59	>	assertSame(TEST_STRING, result);
60		}
61
62		/**
63	<	* completed submit of runnable returns successfully
63	>	* Completed submit(runnable) returns successfully
64		*/
65	<	public void testSubmitRunnable() {
66	<	try {
67	<	ExecutorService e = new DirectExecutorService();
68	<	Future<?> future = e.submit(new NoOpRunnable());
69	<	future.get();
84	<	assertTrue(future.isDone());
85	<	}
86	<	catch (ExecutionException ex) {
87	<	unexpectedException();
88	<	}
89	<	catch (InterruptedException ex) {
90	<	unexpectedException();
91	<	}
65	>	public void testSubmitRunnable() throws Exception {
66	>	ExecutorService e = new DirectExecutorService();
67	>	Future<?> future = e.submit(new NoOpRunnable());
68	>	future.get();
69	>	assertTrue(future.isDone());
70		}
71
72		/**
73	<	* completed submit of (runnable, result) returns result
73	>	* Completed submit(runnable, result) returns result
74		*/
75	<	public void testSubmitRunnable2() {
76	<	try {
77	<	ExecutorService e = new DirectExecutorService();
78	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
79	<	String result = future.get();
102	<	assertSame(TEST_STRING, result);
103	<	}
104	<	catch (ExecutionException ex) {
105	<	unexpectedException();
106	<	}
107	<	catch (InterruptedException ex) {
108	<	unexpectedException();
109	<	}
75	>	public void testSubmitRunnable2() throws Exception {
76	>	ExecutorService e = new DirectExecutorService();
77	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
78	>	String result = future.get();
79	>	assertSame(TEST_STRING, result);
80		}
81
82
83		/**
84	<	* submit of a privileged action runs it to completion
84	>	* A submitted privileged action runs to completion
85		*/
86	<	public void testSubmitPrivilegedAction() {
87	<	Policy savedPolicy = Policy.getPolicy();
88	<	AdjustablePolicy policy = new AdjustablePolicy();
89	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
90	<	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() {
86	>	public void testSubmitPrivilegedAction() throws Exception {
87	>	Runnable r = new CheckedRunnable() {
88	>	public void realRun() throws Exception {
89	>	ExecutorService e = new DirectExecutorService();
90	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
91		public Object run() {
92		return TEST_STRING;
93		}}));
94
95	<	Object result = future.get();
96	<	assertSame(TEST_STRING, result);
97	<	}
98	<	catch (ExecutionException ex) {
99	<	unexpectedException();
100	<	}
101	<	catch (InterruptedException ex) {
136	<	unexpectedException();
137	<	}
138	<	finally {
139	<	Policy.setPolicy(savedPolicy);
140	<	}
95	>	assertSame(TEST_STRING, future.get());
96	>	}};
97	>
98	>	runWithPermissions(r,
99	>	new RuntimePermission("getClassLoader"),
100	>	new RuntimePermission("setContextClassLoader"),
101	>	new RuntimePermission("modifyThread"));
102		}
103
104		/**
105	<	* submit of a privileged exception action runs it to completion
105	>	* A submitted privileged exception action runs to completion
106		*/
107	<	public void testSubmitPrivilegedExceptionAction() {
108	<	Policy savedPolicy = Policy.getPolicy();
109	<	AdjustablePolicy policy = new AdjustablePolicy();
110	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
111	<	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() {
107	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
108	>	Runnable r = new CheckedRunnable() {
109	>	public void realRun() throws Exception {
110	>	ExecutorService e = new DirectExecutorService();
111	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
112		public Object run() {
113		return TEST_STRING;
114		}}));
115
116	<	Object result = future.get();
117	<	assertSame(TEST_STRING, result);
118	<	}
119	<	catch (ExecutionException ex) {
163	<	unexpectedException();
164	<	}
165	<	catch (InterruptedException ex) {
166	<	unexpectedException();
167	<	}
168	<	finally {
169	<	Policy.setPolicy(savedPolicy);
170	<	}
116	>	assertSame(TEST_STRING, future.get());
117	>	}};
118	>
119	>	runWithPermissions(r);
120		}
121
122		/**
123	<	* submit of a failed privileged exception action reports exception
123	>	* A submitted failed privileged exception action reports exception
124		*/
125	<	public void testSubmitFailedPrivilegedExceptionAction() {
126	<	Policy savedPolicy = Policy.getPolicy();
127	<	AdjustablePolicy policy = new AdjustablePolicy();
128	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
129	<	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() {
125	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
126	>	Runnable r = new CheckedRunnable() {
127	>	public void realRun() throws Exception {
128	>	ExecutorService e = new DirectExecutorService();
129	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
130		public Object run() throws Exception {
131		throw new IndexOutOfBoundsException();
132		}}));
133
134	<	Object result = future.get();
135	<	shouldThrow();
136	<	}
137	<	catch (ExecutionException success) {
138	<	}
139	<	catch (InterruptedException ex) {
140	<	unexpectedException();
141	<	}
197	<	finally {
198	<	Policy.setPolicy(savedPolicy);
199	<	}
134	>	try {
135	>	future.get();
136	>	shouldThrow();
137	>	} catch (ExecutionException success) {
138	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
139	>	}}};
140	>
141	>	runWithPermissions(r);
142		}
143
144		/**
145	<	* execute with a null runnable throws NPE
145	>	* execute(null runnable) throws NPE
146		*/
147		public void testExecuteNullRunnable() {
148		try {
149		ExecutorService e = new DirectExecutorService();
150	<	TrackedShortRunnable task = null;
209	<	Future<?> future = e.submit(task);
150	>	e.submit((Runnable) null);
151		shouldThrow();
152	<	}
212	<	catch (NullPointerException success) {
213	<	}
214	<	catch (Exception ex) {
215	<	unexpectedException();
216	<	}
152	>	} catch (NullPointerException success) {}
153		}
154
155
156		/**
157	<	* submit of a null callable throws NPE
157	>	* submit(null callable) throws NPE
158		*/
159		public void testSubmitNullCallable() {
160		try {
161		ExecutorService e = new DirectExecutorService();
162	<	StringTask t = null;
227	<	Future<String> future = e.submit(t);
162	>	e.submit((Callable) null);
163		shouldThrow();
164	<	}
230	<	catch (NullPointerException success) {
231	<	}
232	<	catch (Exception ex) {
233	<	unexpectedException();
234	<	}
164	>	} catch (NullPointerException success) {}
165		}
166
167		/**
168	<	* submit of Runnable throws RejectedExecutionException if
169	<	* saturated.
168	>	* submit(runnable) throws RejectedExecutionException if
169	>	* executor is saturated.
170		*/
171		public void testExecute1() {
172	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
172	>	ThreadPoolExecutor p =
173	>	new ThreadPoolExecutor(1, 1,
174	>	60, TimeUnit.SECONDS,
175	>	new ArrayBlockingQueue<Runnable>(1));
176		try {
177	<
245	<	for(int i = 0; i < 5; ++i){
177	>	for (int i = 0; i < 2; ++i)
178		p.submit(new MediumRunnable());
179	+	for (int i = 0; i < 2; ++i) {
180	+	try {
181	+	p.submit(new MediumRunnable());
182	+	shouldThrow();
183	+	} catch (RejectedExecutionException success) {}
184		}
185	<	shouldThrow();
186	<	} catch(RejectedExecutionException success){}
187	<	joinPool(p);
185	>	} finally {
186	>	joinPool(p);
187	>	}
188		}
189
190		/**
191	<	* Completed submit of Callable throws RejectedExecutionException
192	<	*  if saturated.
191	>	* submit(callable) throws RejectedExecutionException
192	>	* if executor is saturated.
193		*/
194		public void testExecute2() {
195	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
195	>	ThreadPoolExecutor p =
196	>	new ThreadPoolExecutor(1, 1,
197	>	60, TimeUnit.SECONDS,
198	>	new ArrayBlockingQueue<Runnable>(1));
199		try {
200	<	for(int i = 0; i < 5; ++i) {
201	<	p.submit(new SmallCallable());
200	>	for (int i = 0; i < 2; ++i)
201	>	p.submit(new MediumRunnable());
202	>	for (int i = 0; i < 2; ++i) {
203	>	try {
204	>	p.submit(new SmallCallable());
205	>	shouldThrow();
206	>	} catch (RejectedExecutionException success) {}
207		}
208	<	shouldThrow();
209	<	} catch(RejectedExecutionException e){}
210	<	joinPool(p);
208	>	} finally {
209	>	joinPool(p);
210	>	}
211		}
212
213
214		/**
215	<	*  blocking on submit of Callable throws InterruptedException if
271	<	*  caller interrupted.
215	>	* submit(callable).get() throws InterruptedException if interrupted
216		*/
217	<	public void testInterruptedSubmit() {
218	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
219	<	Thread t = new Thread(new Runnable() {
220	<	public void run() {
221	<	try {
222	<	p.submit(new Callable<Object>() {
223	<	public Object call() {
224	<	try {
225	<	Thread.sleep(MEDIUM_DELAY_MS);
226	<	shouldThrow();
227	<	} catch(InterruptedException e){
284	<	}
285	<	return null;
286	<	}
287	<	}).get();
288	<	} catch(InterruptedException success){
289	<	} catch(Exception e) {
290	<	unexpectedException();
291	<	}
292	<
293	<	}
294	<	});
217	>	public void testInterruptedSubmit() throws InterruptedException {
218	>	final CountDownLatch submitted    = new CountDownLatch(1);
219	>	final CountDownLatch quittingTime = new CountDownLatch(1);
220	>	final ExecutorService p
221	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
222	>	new ArrayBlockingQueue<Runnable>(10));
223	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
224	>	public Void realCall() throws InterruptedException {
225	>	quittingTime.await();
226	>	return null;
227	>	}};
228		try {
229	+	Thread t = new Thread(new CheckedInterruptedRunnable() {
230	+	public void realRun() throws Exception {
231	+	Future<Void> future = p.submit(awaiter);
232	+	submitted.countDown();
233	+	future.get();
234	+	}});
235		t.start();
236	<	Thread.sleep(SHORT_DELAY_MS);
236	>	submitted.await();
237		t.interrupt();
238	<	} catch(Exception e){
239	<	unexpectedException();
238	>	t.join();
239	>	} finally {
240	>	quittingTime.countDown();
241	>	joinPool(p);
242		}
302	–	joinPool(p);
243		}
244
245		/**
246	<	*  get of submit of Callable throws Exception if callable
246	>	*  get of submitted callable throws InterruptedException if callable
247		*  interrupted
248		*/
249	<	public void testSubmitIE() {
250	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
251	<
252	<	final Callable c = new Callable() {
253	<	public Object call() {
254	<	try {
255	<	p.submit(new SmallCallable()).get();
256	<	shouldThrow();
257	<	} catch(InterruptedException e){}
258	<	catch(RejectedExecutionException e2){}
259	<	catch(ExecutionException e3){}
260	<	return Boolean.TRUE;
261	<	}
262	<	};
263	<
324	<
325	<
326	<	Thread t = new Thread(new Runnable() {
327	<	public void run() {
328	<	try {
329	<	c.call();
330	<	} catch(Exception e){}
331	<	}
332	<	});
333	<	try {
334	<	t.start();
335	<	Thread.sleep(SHORT_DELAY_MS);
336	<	t.interrupt();
337	<	t.join();
338	<	} catch(InterruptedException e){
339	<	unexpectedException();
340	<	}
341	<
249	>	public void testSubmitIE() throws InterruptedException {
250	>	final ThreadPoolExecutor p =
251	>	new ThreadPoolExecutor(1, 1,
252	>	60, TimeUnit.SECONDS,
253	>	new ArrayBlockingQueue<Runnable>(10));
254	>
255	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
256	>	public void realRun() throws Exception {
257	>	p.submit(new SmallCallable()).get();
258	>	}});
259	>
260	>	t.start();
261	>	Thread.sleep(SHORT_DELAY_MS);
262	>	t.interrupt();
263	>	t.join();
264		joinPool(p);
265		}
266
267		/**
268	<	*  completed submit of Callable throws ExecutionException if
269	<	*  callable throws exception
268	>	*  get of submit(callable) throws ExecutionException if callable
269	>	*  throws exception
270		*/
271	<	public void testSubmitEE() {
272	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
271	>	public void testSubmitEE() throws InterruptedException {
272	>	ThreadPoolExecutor p =
273	>	new ThreadPoolExecutor(1, 1,
274	>	60, TimeUnit.SECONDS,
275	>	new ArrayBlockingQueue<Runnable>(10));
276
277	<	try {
278	<	Callable c = new Callable() {
354	<	public Object call() {
355	<	int i = 5/0;
356	<	return Boolean.TRUE;
357	<	}
358	<	};
359	<
360	<	for(int i =0; i < 5; i++){
361	<	p.submit(c).get();
362	<	}
277	>	Callable c = new Callable() {
278	>	public Object call() { return 5/0; }};
279
280	+	try {
281	+	p.submit(c).get();
282		shouldThrow();
283	<	}
284	<	catch(ExecutionException success){
367	<	} catch(Exception e) {
368	<	unexpectedException();
283	>	} catch (ExecutionException success) {
284	>	assertTrue(success.getCause() instanceof ArithmeticException);
285		}
286		joinPool(p);
287		}
#	Line 373 | Line 289 | public class AbstractExecutorServiceTest
289		/**
290		* invokeAny(null) throws NPE
291		*/
292	<	public void testInvokeAny1() {
292	>	public void testInvokeAny1()
293	>	throws InterruptedException, ExecutionException {
294		ExecutorService e = new DirectExecutorService();
295		try {
296		e.invokeAny(null);
297	+	shouldThrow();
298		} catch (NullPointerException success) {
381	–	} catch(Exception ex) {
382	–	unexpectedException();
299		} finally {
300		joinPool(e);
301		}
#	Line 388 | Line 304 | public class AbstractExecutorServiceTest
304		/**
305		* invokeAny(empty collection) throws IAE
306		*/
307	<	public void testInvokeAny2() {
307	>	public void testInvokeAny2()
308	>	throws InterruptedException, ExecutionException {
309		ExecutorService e = new DirectExecutorService();
310		try {
311		e.invokeAny(new ArrayList<Callable<String>>());
312	+	shouldThrow();
313		} catch (IllegalArgumentException success) {
396	–	} catch(Exception ex) {
397	–	unexpectedException();
314		} finally {
315		joinPool(e);
316		}
#	Line 403 | Line 319 | public class AbstractExecutorServiceTest
319		/**
320		* invokeAny(c) throws NPE if c has null elements
321		*/
322	<	public void testInvokeAny3() {
322	>	public void testInvokeAny3() throws Exception {
323		ExecutorService e = new DirectExecutorService();
324	+	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
325	+	l.add(new Callable<Integer>() {
326	+	public Integer call() { return 5/0; }});
327	+	l.add(null);
328		try {
409	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
410	–	l.add(new StringTask());
411	–	l.add(null);
329		e.invokeAny(l);
330	+	shouldThrow();
331		} catch (NullPointerException success) {
414	–	} catch(Exception ex) {
415	–	ex.printStackTrace();
416	–	unexpectedException();
332		} finally {
333		joinPool(e);
334		}
335		}
336
337		/**
338	<	* invokeAny(c) throws ExecutionException if no task completes
338	>	* invokeAny(c) throws ExecutionException if no task in c completes
339		*/
340	<	public void testInvokeAny4() {
340	>	public void testInvokeAny4() throws InterruptedException {
341		ExecutorService e = new DirectExecutorService();
342	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
343	+	l.add(new NPETask());
344		try {
345	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
346	<	l.add(new NPETask());
347	<	List<Future<String>> result = e.invokeAll(l);
348	<	assertEquals(1, result.size());
432	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
433	<	it.next().get();
434	<	} catch(ExecutionException success) {
435	<	} catch(Exception ex) {
436	<	unexpectedException();
345	>	e.invokeAny(l);
346	>	shouldThrow();
347	>	} catch (ExecutionException success) {
348	>	assertTrue(success.getCause() instanceof NullPointerException);
349		} finally {
350		joinPool(e);
351		}
352		}
353
354		/**
355	<	* invokeAny(c) returns result of some task
355	>	* invokeAny(c) returns result of some task in c if at least one completes
356		*/
357	<	public void testInvokeAny5() {
357	>	public void testInvokeAny5() throws Exception {
358		ExecutorService e = new DirectExecutorService();
359		try {
360	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
360	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
361		l.add(new StringTask());
362		l.add(new StringTask());
363		String result = e.invokeAny(l);
364		assertSame(TEST_STRING, result);
453	–	} catch (ExecutionException success) {
454	–	} catch(Exception ex) {
455	–	unexpectedException();
365		} finally {
366		joinPool(e);
367		}
#	Line 461 | Line 370 | public class AbstractExecutorServiceTest
370		/**
371		* invokeAll(null) throws NPE
372		*/
373	<	public void testInvokeAll1() {
373	>	public void testInvokeAll1() throws InterruptedException {
374		ExecutorService e = new DirectExecutorService();
375		try {
376		e.invokeAll(null);
377	+	shouldThrow();
378		} catch (NullPointerException success) {
469	–	} catch(Exception ex) {
470	–	unexpectedException();
379		} finally {
380		joinPool(e);
381		}
#	Line 476 | Line 384 | public class AbstractExecutorServiceTest
384		/**
385		* invokeAll(empty collection) returns empty collection
386		*/
387	<	public void testInvokeAll2() {
387	>	public void testInvokeAll2() throws InterruptedException {
388		ExecutorService e = new DirectExecutorService();
389		try {
390		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
391		assertTrue(r.isEmpty());
484	–	} catch(Exception ex) {
485	–	unexpectedException();
392		} finally {
393		joinPool(e);
394		}
#	Line 491 | Line 397 | public class AbstractExecutorServiceTest
397		/**
398		* invokeAll(c) throws NPE if c has null elements
399		*/
400	<	public void testInvokeAll3() {
400	>	public void testInvokeAll3() throws InterruptedException {
401		ExecutorService e = new DirectExecutorService();
402	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
403	+	l.add(new StringTask());
404	+	l.add(null);
405		try {
497	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
498	–	l.add(new StringTask());
499	–	l.add(null);
406		e.invokeAll(l);
407	+	shouldThrow();
408		} catch (NullPointerException success) {
502	–	} catch(Exception ex) {
503	–	unexpectedException();
409		} finally {
410		joinPool(e);
411		}
412		}
413
414		/**
415	<	* get of element of invokeAll(c) throws exception on failed task
415	>	* get of returned element of invokeAll(c) throws exception on failed task
416		*/
417	<	public void testInvokeAll4() {
417	>	public void testInvokeAll4() throws Exception {
418		ExecutorService e = new DirectExecutorService();
419		try {
420	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
420	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
421		l.add(new NPETask());
422	<	List<Future<String>> result = e.invokeAll(l);
423	<	assertEquals(1, result.size());
424	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
425	<	it.next().get();
426	<	} catch(ExecutionException success) {
427	<	} catch(Exception ex) {
428	<	unexpectedException();
422	>	List<Future<String>> futures = e.invokeAll(l);
423	>	assertEquals(1, futures.size());
424	>	try {
425	>	futures.get(0).get();
426	>	shouldThrow();
427	>	} catch (ExecutionException success) {
428	>	assertTrue(success.getCause() instanceof NullPointerException);
429	>	}
430		} finally {
431		joinPool(e);
432		}
433		}
434
435		/**
436	<	* invokeAll(c) returns results of all completed tasks
436	>	* invokeAll(c) returns results of all completed tasks in c
437		*/
438	<	public void testInvokeAll5() {
438	>	public void testInvokeAll5() throws Exception {
439		ExecutorService e = new DirectExecutorService();
440		try {
441	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
441	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
442		l.add(new StringTask());
443		l.add(new StringTask());
444	<	List<Future<String>> result = e.invokeAll(l);
445	<	assertEquals(2, result.size());
446	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
447	<	assertSame(TEST_STRING, it.next().get());
444	>	List<Future<String>> futures = e.invokeAll(l);
445	>	assertEquals(2, futures.size());
446	>	for (Future<String> future : futures)
447	>	assertSame(TEST_STRING, future.get());
448	>	} finally {
449	>	joinPool(e);
450	>	}
451	>	}
452	>
453	>
454	>	/**
455	>	* timed invokeAny(null) throws NPE
456	>	*/
457	>	public void testTimedInvokeAny1() throws Exception {
458	>	ExecutorService e = new DirectExecutorService();
459	>	try {
460	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
461	>	shouldThrow();
462	>	} catch (NullPointerException success) {
463	>	} finally {
464	>	joinPool(e);
465	>	}
466	>	}
467	>
468	>	/**
469	>	* timed invokeAny(null time unit) throws NPE
470	>	*/
471	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
472	>	ExecutorService e = new DirectExecutorService();
473	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
474	>	l.add(new StringTask());
475	>	try {
476	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
477	>	shouldThrow();
478	>	} catch (NullPointerException success) {
479	>	} finally {
480	>	joinPool(e);
481	>	}
482	>	}
483	>
484	>	/**
485	>	* timed invokeAny(empty collection) throws IAE
486	>	*/
487	>	public void testTimedInvokeAny2() throws Exception {
488	>	ExecutorService e = new DirectExecutorService();
489	>	try {
490	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
491	>	shouldThrow();
492	>	} catch (IllegalArgumentException success) {
493	>	} finally {
494	>	joinPool(e);
495	>	}
496	>	}
497	>
498	>	/**
499	>	* timed invokeAny(c) throws NPE if c has null elements
500	>	*/
501	>	public void testTimedInvokeAny3() throws Exception {
502	>	ExecutorService e = new DirectExecutorService();
503	>	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
504	>	l.add(new Callable<Integer>() {
505	>	public Integer call() { return 5/0; }});
506	>	l.add(null);
507	>	try {
508	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
509	>	shouldThrow();
510	>	} catch (NullPointerException success) {
511	>	} finally {
512	>	joinPool(e);
513	>	}
514	>	}
515	>
516	>	/**
517	>	* timed invokeAny(c) throws ExecutionException if no task completes
518	>	*/
519	>	public void testTimedInvokeAny4() throws Exception {
520	>	ExecutorService e = new DirectExecutorService();
521	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
522	>	l.add(new NPETask());
523	>	try {
524	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
525	>	shouldThrow();
526		} catch (ExecutionException success) {
527	<	} catch(Exception ex) {
528	<	unexpectedException();
527	>	assertTrue(success.getCause() instanceof NullPointerException);
528	>	} finally {
529	>	joinPool(e);
530	>	}
531	>	}
532	>
533	>	/**
534	>	* timed invokeAny(c) returns result of some task in c
535	>	*/
536	>	public void testTimedInvokeAny5() throws Exception {
537	>	ExecutorService e = new DirectExecutorService();
538	>	try {
539	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
540	>	l.add(new StringTask());
541	>	l.add(new StringTask());
542	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
543	>	assertSame(TEST_STRING, result);
544	>	} finally {
545	>	joinPool(e);
546	>	}
547	>	}
548	>
549	>	/**
550	>	* timed invokeAll(null) throws NPE
551	>	*/
552	>	public void testTimedInvokeAll1() throws InterruptedException {
553	>	ExecutorService e = new DirectExecutorService();
554	>	try {
555	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
556	>	shouldThrow();
557	>	} catch (NullPointerException success) {
558	>	} finally {
559	>	joinPool(e);
560	>	}
561	>	}
562	>
563	>	/**
564	>	* timed invokeAll(null time unit) throws NPE
565	>	*/
566	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
567	>	ExecutorService e = new DirectExecutorService();
568	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
569	>	l.add(new StringTask());
570	>	try {
571	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
572	>	shouldThrow();
573	>	} catch (NullPointerException success) {
574	>	} finally {
575	>	joinPool(e);
576	>	}
577	>	}
578	>
579	>	/**
580	>	* timed invokeAll(empty collection) returns empty collection
581	>	*/
582	>	public void testTimedInvokeAll2() throws InterruptedException {
583	>	ExecutorService e = new DirectExecutorService();
584	>	try {
585	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
586	>	assertTrue(r.isEmpty());
587	>	} finally {
588	>	joinPool(e);
589	>	}
590	>	}
591	>
592	>	/**
593	>	* timed invokeAll(c) throws NPE if c has null elements
594	>	*/
595	>	public void testTimedInvokeAll3() throws InterruptedException {
596	>	ExecutorService e = new DirectExecutorService();
597	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
598	>	l.add(new StringTask());
599	>	l.add(null);
600	>	try {
601	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
602	>	shouldThrow();
603	>	} catch (NullPointerException success) {
604	>	} finally {
605	>	joinPool(e);
606	>	}
607	>	}
608	>
609	>	/**
610	>	* get of returned element of invokeAll(c) throws exception on failed task
611	>	*/
612	>	public void testTimedInvokeAll4() throws Exception {
613	>	ExecutorService e = new DirectExecutorService();
614	>	try {
615	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
616	>	l.add(new NPETask());
617	>	List<Future<String>> futures =
618	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
619	>	assertEquals(1, futures.size());
620	>	try {
621	>	futures.get(0).get();
622	>	shouldThrow();
623	>	} catch (ExecutionException success) {
624	>	assertTrue(success.getCause() instanceof NullPointerException);
625	>	}
626	>	} finally {
627	>	joinPool(e);
628	>	}
629	>	}
630	>
631	>	/**
632	>	* timed invokeAll(c) returns results of all completed tasks in c
633	>	*/
634	>	public void testTimedInvokeAll5() throws Exception {
635	>	ExecutorService e = new DirectExecutorService();
636	>	try {
637	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
638	>	l.add(new StringTask());
639	>	l.add(new StringTask());
640	>	List<Future<String>> futures =
641	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
642	>	assertEquals(2, futures.size());
643	>	for (Future<String> future : futures)
644	>	assertSame(TEST_STRING, future.get());
645	>	} finally {
646	>	joinPool(e);
647	>	}
648	>	}
649	>
650	>	/**
651	>	* timed invokeAll cancels tasks not completed by timeout
652	>	*/
653	>	public void testTimedInvokeAll6() throws InterruptedException {
654	>	ExecutorService e = new DirectExecutorService();
655	>	try {
656	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
657	>	l.add(new StringTask());
658	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
659	>	l.add(new StringTask());
660	>	List<Future<String>> futures =
661	>	e.invokeAll(l, SMALL_DELAY_MS, MILLISECONDS);
662	>	assertEquals(3, futures.size());
663	>	Iterator<Future<String>> it = futures.iterator();
664	>	Future<String> f1 = it.next();
665	>	Future<String> f2 = it.next();
666	>	Future<String> f3 = it.next();
667	>	assertTrue(f1.isDone());
668	>	assertFalse(f1.isCancelled());
669	>	assertTrue(f2.isDone());
670	>	assertTrue(f3.isDone());
671	>	assertTrue(f3.isCancelled());
672		} finally {
673		joinPool(e);
674		}

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