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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.5 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.35 by jsr166, Mon Oct 11 08:47:04 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 ExecutorsTest extends JSR166TestCase{
17	>	public class ExecutorsTest 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);
20	<	}
21	<
22	<	private static final String TEST_STRING = "a test string";
23	<
24	<	private static class MyTask implements Runnable {
25	<	public void run() { completed = true; }
26	<	public boolean isCompleted() { return completed; }
27	<	public void reset() { completed = false; }
28	<	private boolean completed = false;
29	<	}
30	<
31	<	private static class StringTask implements Callable<String> {
32	<	public String call() { return TEST_STRING; }
33	<	}
34	<
35	<	static class DirectExecutor implements Executor {
36	<	public void execute(Runnable r) {
37	<	r.run();
38	<	}
39	<	}
40	<
41	<	static class TimedCallable<T> implements Callable<T> {
42	<	private final Executor exec;
43	<	private final Callable<T> func;
44	<	private final long msecs;
45	<
46	<	TimedCallable(Executor exec, Callable<T> func, long msecs) {
47	<	this.exec = exec;
48	<	this.func = func;
49	<	this.msecs = msecs;
50	<	}
51	<
52	<	public T call() throws Exception {
53	<	Future<T> ftask = Executors.execute(exec, func);
54	<	try {
55	<	return ftask.get(msecs, TimeUnit.MILLISECONDS);
56	<	} finally {
57	<	ftask.cancel(true);
58	<	}
59	<	}
60	<	}
61	<
62	<
63	<	private static class Fib implements Callable<BigInteger> {
64	<	private final BigInteger n;
65	<	Fib(long n) {
66	<	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
67	<	this.n = BigInteger.valueOf(n);
68	<	}
69	<	public BigInteger call() {
70	<	BigInteger f1 = BigInteger.ONE;
71	<	BigInteger f2 = f1;
72	<	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
73	<	BigInteger t = f1.add(f2);
74	<	f1 = f2;
75	<	f2 = t;
76	<	}
77	<	return f1;
78	<	}
79	<	};
80	<
81	<	/**
82	<	* For use as ThreadFactory in constructors
83	<	*/
84	<	static class MyThreadFactory implements ThreadFactory{
85	<	public Thread newThread(Runnable r){
86	<	return new Thread(r);
87	<	}
22	>	return new TestSuite(ExecutorsTest.class);
23		}
24
25		/**
#	Line 95 | Line 30 | public class ExecutorsTest extends JSR16
30		e.execute(new NoOpRunnable());
31		e.execute(new NoOpRunnable());
32		e.execute(new NoOpRunnable());
33	<	e.shutdown();
33	>	joinPool(e);
34		}
35
36		/**
37		* A newCachedThreadPool with given ThreadFactory can execute runnables
38		*/
39		public void testNewCachedThreadPool2() {
40	<	ExecutorService e = Executors.newCachedThreadPool(new MyThreadFactory());
40	>	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
41		e.execute(new NoOpRunnable());
42		e.execute(new NoOpRunnable());
43		e.execute(new NoOpRunnable());
44	<	e.shutdown();
44	>	joinPool(e);
45		}
46
47		/**
#	Line 116 | Line 51 | public class ExecutorsTest extends JSR16
51		try {
52		ExecutorService e = Executors.newCachedThreadPool(null);
53		shouldThrow();
54	<	}
120	<	catch(NullPointerException success) {
121	<	}
54	>	} catch (NullPointerException success) {}
55		}
56
57
#	Line 130 | Line 63 | public class ExecutorsTest extends JSR16
63		e.execute(new NoOpRunnable());
64		e.execute(new NoOpRunnable());
65		e.execute(new NoOpRunnable());
66	<	e.shutdown();
66	>	joinPool(e);
67		}
68
69		/**
70		* A new SingleThreadExecutor with given ThreadFactory can execute runnables
71		*/
72		public void testNewSingleThreadExecutor2() {
73	<	ExecutorService e = Executors.newSingleThreadExecutor(new MyThreadFactory());
73	>	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
74		e.execute(new NoOpRunnable());
75		e.execute(new NoOpRunnable());
76		e.execute(new NoOpRunnable());
77	<	e.shutdown();
77	>	joinPool(e);
78		}
79
80		/**
#	Line 151 | Line 84 | public class ExecutorsTest extends JSR16
84		try {
85		ExecutorService e = Executors.newSingleThreadExecutor(null);
86		shouldThrow();
87	<	}
88	<	catch(NullPointerException success) {
87	>	} catch (NullPointerException success) {}
88	>	}
89	>
90	>	/**
91	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
92	>	*/
93	>	public void testCastNewSingleThreadExecutor() {
94	>	ExecutorService e = Executors.newSingleThreadExecutor();
95	>	try {
96	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
97	>	shouldThrow();
98	>	} catch (ClassCastException success) {
99	>	} finally {
100	>	joinPool(e);
101		}
102		}
103
104	+
105		/**
106		* A new newFixedThreadPool can execute runnables
107		*/
#	Line 164 | Line 110 | public class ExecutorsTest extends JSR16
110		e.execute(new NoOpRunnable());
111		e.execute(new NoOpRunnable());
112		e.execute(new NoOpRunnable());
113	<	e.shutdown();
113	>	joinPool(e);
114		}
115
116		/**
117		* A new newFixedThreadPool with given ThreadFactory can execute runnables
118		*/
119		public void testNewFixedThreadPool2() {
120	<	ExecutorService e = Executors.newFixedThreadPool(2, new MyThreadFactory());
120	>	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
121		e.execute(new NoOpRunnable());
122		e.execute(new NoOpRunnable());
123		e.execute(new NoOpRunnable());
124	<	e.shutdown();
124	>	joinPool(e);
125		}
126
127		/**
#	Line 185 | Line 131 | public class ExecutorsTest extends JSR16
131		try {
132		ExecutorService e = Executors.newFixedThreadPool(2, null);
133		shouldThrow();
134	<	}
189	<	catch(NullPointerException success) {
190	<	}
134	>	} catch (NullPointerException success) {}
135		}
136
137		/**
#	Line 197 | Line 141 | public class ExecutorsTest extends JSR16
141		try {
142		ExecutorService e = Executors.newFixedThreadPool(0);
143		shouldThrow();
144	<	}
201	<	catch(IllegalArgumentException success) {
202	<	}
144	>	} catch (IllegalArgumentException success) {}
145		}
146
147	+
148		/**
149	<	* execute of runnable runs it to completion
149	>	* An unconfigurable newFixedThreadPool can execute runnables
150		*/
151	<	public void testExecuteRunnable () {
152	<	try {
153	<	Executor e = new DirectExecutor();
154	<	MyTask task = new MyTask();
155	<	assertFalse(task.isCompleted());
156	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
214	<	String result = future.get();
215	<	assertTrue(task.isCompleted());
216	<	assertSame(TEST_STRING, result);
217	<	}
218	<	catch (ExecutionException ex) {
219	<	unexpectedException();
220	<	}
221	<	catch (InterruptedException ex) {
222	<	unexpectedException();
223	<	}
151	>	public void testunconfigurableExecutorService() {
152	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
153	>	e.execute(new NoOpRunnable());
154	>	e.execute(new NoOpRunnable());
155	>	e.execute(new NoOpRunnable());
156	>	joinPool(e);
157		}
158
159		/**
160	<	* invoke of a runnable runs it to completion
160	>	* unconfigurableExecutorService(null) throws NPE
161		*/
162	<	public void testInvokeRunnable () {
162	>	public void testunconfigurableExecutorServiceNPE() {
163		try {
164	<	Executor e = new DirectExecutor();
165	<	MyTask task = new MyTask();
166	<	assertFalse(task.isCompleted());
234	<	Executors.invoke(e, task);
235	<	assertTrue(task.isCompleted());
236	<	}
237	<	catch (ExecutionException ex) {
238	<	unexpectedException();
239	<	}
240	<	catch (InterruptedException ex) {
241	<	unexpectedException();
242	<	}
164	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
165	>	shouldThrow();
166	>	} catch (NullPointerException success) {}
167		}
168
169		/**
170	<	* execute of a callable runs it to completion
170	>	* unconfigurableScheduledExecutorService(null) throws NPE
171		*/
172	<	public void testExecuteCallable () {
172	>	public void testunconfigurableScheduledExecutorServiceNPE() {
173		try {
174	<	Executor e = new DirectExecutor();
175	<	Future<String> future = Executors.execute(e, new StringTask());
176	<	String result = future.get();
253	<	assertSame(TEST_STRING, result);
254	<	}
255	<	catch (ExecutionException ex) {
256	<	unexpectedException();
257	<	}
258	<	catch (InterruptedException ex) {
259	<	unexpectedException();
260	<	}
174	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
175	>	shouldThrow();
176	>	} catch (NullPointerException success) {}
177		}
178
179	+
180		/**
181	<	* invoke of a collable runs it to completion
181	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
182		*/
183	<	public void testInvokeCallable () {
183	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
184	>	ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
185		try {
186	<	Executor e = new DirectExecutor();
187	<	String result = Executors.invoke(e, new StringTask());
188	<
189	<	assertSame(TEST_STRING, result);
190	<	}
191	<	catch (ExecutionException ex) {
192	<	unexpectedException();
193	<	}
194	<	catch (InterruptedException ex) {
195	<	unexpectedException();
186	>	final CountDownLatch done = new CountDownLatch(1);
187	>	final Runnable task = new CheckedRunnable() {
188	>	public void realRun() {
189	>	done.countDown();
190	>	}};
191	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
192	>	SHORT_DELAY_MS, MILLISECONDS);
193	>	assertFalse(f.isDone());
194	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
195	>	assertTrue(f.isDone());
196	>	assertEquals(Boolean.TRUE, f.get());
197	>	} finally {
198	>	joinPool(p);
199		}
200		}
201
202		/**
203	<	* execute with null executor throws NPE
203	>	* a newScheduledThreadPool successfully runs delayed task
204		*/
205	<	public void testNullExecuteRunnable () {
205	>	public void testnewScheduledThreadPool() throws Exception {
206	>	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
207		try {
208	<	MyTask task = new MyTask();
209	<	assertFalse(task.isCompleted());
210	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
211	<	shouldThrow();
212	<	}
213	<	catch (NullPointerException success) {
214	<	}
215	<	catch (Exception ex) {
216	<	unexpectedException();
208	>	final CountDownLatch done = new CountDownLatch(1);
209	>	final Runnable task = new CheckedRunnable() {
210	>	public void realRun() {
211	>	done.countDown();
212	>	}};
213	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
214	>	SHORT_DELAY_MS, MILLISECONDS);
215	>	assertFalse(f.isDone());
216	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
217	>	assertTrue(f.isDone());
218	>	assertEquals(Boolean.TRUE, f.get());
219	>	} finally {
220	>	joinPool(p);
221		}
222		}
223
224		/**
225	<	* execute with a null runnable throws NPE
225	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
226		*/
227	<	public void testExecuteNullRunnable() {
227	>	public void testunconfigurableScheduledExecutorService() throws Exception {
228	>	ScheduledExecutorService p =
229	>	Executors.unconfigurableScheduledExecutorService
230	>	(Executors.newScheduledThreadPool(2));
231		try {
232	<	Executor e = new DirectExecutor();
233	<	MyTask task = null;
234	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
235	<	shouldThrow();
236	<	}
237	<	catch (NullPointerException success) {
238	<	}
239	<	catch (Exception ex) {
240	<	unexpectedException();
232	>	final CountDownLatch done = new CountDownLatch(1);
233	>	final Runnable task = new CheckedRunnable() {
234	>	public void realRun() {
235	>	done.countDown();
236	>	}};
237	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
238	>	SHORT_DELAY_MS, MILLISECONDS);
239	>	assertFalse(f.isDone());
240	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
241	>	assertTrue(f.isDone());
242	>	assertEquals(Boolean.TRUE, f.get());
243	>	} finally {
244	>	joinPool(p);
245		}
246		}
247
248		/**
249	<	* invoke of a null runnable throws NPE
249	>	* Future.get on submitted tasks will time out if they compute too long.
250		*/
251	<	public void testInvokeNullRunnable () {
252	<	try {
253	<	Executor e = new DirectExecutor();
254	<	MyTask task = null;
255	<	Executors.invoke(e, task);
256	<	shouldThrow();
257	<	}
258	<	catch (NullPointerException success) {
259	<	}
260	<	catch (Exception ex) {
261	<	unexpectedException();
251	>	public void testTimedCallable() throws Exception {
252	>	final Runnable sleeper = new CheckedInterruptedRunnable() {
253	>	public void realRun() throws InterruptedException {
254	>	Thread.sleep(LONG_DELAY_MS);
255	>	}};
256	>	for (ExecutorService executor :
257	>	new ExecutorService[] {
258	>	Executors.newSingleThreadExecutor(),
259	>	Executors.newCachedThreadPool(),
260	>	Executors.newFixedThreadPool(2),
261	>	Executors.newScheduledThreadPool(2),
262	>	}) {
263	>	try {
264	>	Future future = executor.submit(sleeper);
265	>	try {
266	>	future.get(SHORT_DELAY_MS, MILLISECONDS);
267	>	shouldThrow();
268	>	} catch (TimeoutException success) {
269	>	} finally {
270	>	future.cancel(true);
271	>	}
272	>	}
273	>	finally {
274	>	joinPool(executor);
275	>	}
276		}
277		}
278
279	+
280		/**
281	<	* execute of a null callable throws NPE
281	>	* ThreadPoolExecutor using defaultThreadFactory has
282	>	* specified group, priority, daemon status, and name
283		*/
284	<	public void testExecuteNullCallable () {
284	>	public void testDefaultThreadFactory() throws Exception {
285	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
286	>	Runnable r = new CheckedRunnable() {
287	>	public void realRun() {
288	>	try {
289	>	Thread current = Thread.currentThread();
290	>	assertTrue(!current.isDaemon());
291	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
292	>	ThreadGroup g = current.getThreadGroup();
293	>	SecurityManager s = System.getSecurityManager();
294	>	if (s != null)
295	>	assertTrue(g == s.getThreadGroup());
296	>	else
297	>	assertTrue(g == egroup);
298	>	String name = current.getName();
299	>	assertTrue(name.endsWith("thread-1"));
300	>	} catch (SecurityException ok) {
301	>	// Also pass if not allowed to change setting
302	>	}
303	>	}};
304	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
305	>
306	>	e.execute(r);
307		try {
308	<	Executor e = new DirectExecutor();
309	<	StringTask t = null;
339	<	Future<String> future = Executors.execute(e, t);
340	<	shouldThrow();
341	<	}
342	<	catch (NullPointerException success) {
308	>	e.shutdown();
309	>	} catch (SecurityException ok) {
310		}
311	<	catch (Exception ex) {
312	<	unexpectedException();
311	>
312	>	try {
313	>	Thread.sleep(SHORT_DELAY_MS);
314	>	} finally {
315	>	joinPool(e);
316		}
317		}
318
319		/**
320	<	* invoke of a null callable throws NPE
321	<	*/
322	<	public void testInvokeNullCallable () {
323	<	try {
324	<	Executor e = new DirectExecutor();
325	<	StringTask t = null;
326	<	String result = Executors.invoke(e, t);
327	<	shouldThrow();
320	>	* ThreadPoolExecutor using privilegedThreadFactory has
321	>	* specified group, priority, daemon status, name,
322	>	* access control context and context class loader
323	>	*/
324	>	public void testPrivilegedThreadFactory() throws Exception {
325	>	Runnable r = new CheckedRunnable() {
326	>	public void realRun() throws Exception {
327	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
328	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
329	>	final AccessControlContext thisacc = AccessController.getContext();
330	>	Runnable r = new CheckedRunnable() {
331	>	public void realRun() {
332	>	Thread current = Thread.currentThread();
333	>	assertTrue(!current.isDaemon());
334	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
335	>	ThreadGroup g = current.getThreadGroup();
336	>	SecurityManager s = System.getSecurityManager();
337	>	if (s != null)
338	>	assertTrue(g == s.getThreadGroup());
339	>	else
340	>	assertTrue(g == egroup);
341	>	String name = current.getName();
342	>	assertTrue(name.endsWith("thread-1"));
343	>	assertSame(thisccl, current.getContextClassLoader());
344	>	assertEquals(thisacc, AccessController.getContext());
345	>	}};
346	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
347	>	e.execute(r);
348	>	e.shutdown();
349	>	Thread.sleep(SHORT_DELAY_MS);
350	>	joinPool(e);
351	>	}};
352	>
353	>	runWithPermissions(r,
354	>	new RuntimePermission("getClassLoader"),
355	>	new RuntimePermission("setContextClassLoader"),
356	>	new RuntimePermission("modifyThread"));
357	>	}
358	>
359	>	boolean haveCCLPermissions() {
360	>	SecurityManager sm = System.getSecurityManager();
361	>	if (sm != null) {
362	>	try {
363	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
364	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
365	>	} catch (AccessControlException e) {
366	>	return false;
367	>	}
368		}
369	<	catch (NullPointerException success) {
369	>	return true;
370	>	}
371	>
372	>	void checkCCL() {
373	>	SecurityManager sm = System.getSecurityManager();
374	>	if (sm != null) {
375	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
376	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
377		}
378	<	catch (Exception ex) {
379	<	unexpectedException();
378	>	}
379	>
380	>	class CheckCCL implements Callable<Object> {
381	>	public Object call() {
382	>	checkCCL();
383	>	return null;
384		}
385		}
386
387	+
388		/**
389	<	*  execute(Executor, Runnable) throws RejectedExecutionException
390	<	*  if saturated.
389	>	* Without class loader permissions, creating
390	>	* privilegedCallableUsingCurrentClassLoader throws ACE
391		*/
392	<	public void testExecute1() {
393	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
394	<	try {
395	<
396	<	for(int i = 0; i < 5; ++i){
397	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
398	<	}
399	<	shouldThrow();
400	<	} catch(RejectedExecutionException success){}
401	<	joinPool(p);
392	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
393	>	Runnable r = new CheckedRunnable() {
394	>	public void realRun() throws Exception {
395	>	if (System.getSecurityManager() == null)
396	>	return;
397	>	try {
398	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
399	>	shouldThrow();
400	>	} catch (AccessControlException success) {}
401	>	}};
402	>
403	>	runWithoutPermissions(r);
404		}
405
406		/**
407	<	*  execute(Executor, Callable)throws RejectedExecutionException
408	<	*  if saturated.
407	>	* With class loader permissions, calling
408	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
409		*/
410	<	public void testExecute2() {
411	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
412	<	try {
413	<	for(int i = 0; i < 5; ++i) {
414	<	Executors.execute(p, new SmallCallable());
415	<	}
416	<	shouldThrow();
417	<	} catch(RejectedExecutionException e){}
418	<	joinPool(p);
410	>	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
411	>	Runnable r = new CheckedRunnable() {
412	>	public void realRun() throws Exception {
413	>	Executors.privilegedCallableUsingCurrentClassLoader
414	>	(new NoOpCallable())
415	>	.call();
416	>	}};
417	>
418	>	runWithPermissions(r,
419	>	new RuntimePermission("getClassLoader"),
420	>	new RuntimePermission("setContextClassLoader"));
421		}
422
423	+	/**
424	+	* Without permissions, calling privilegedCallable throws ACE
425	+	*/
426	+	public void testprivilegedCallableWithNoPrivs() throws Exception {
427	+	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
428	+	Executors.privilegedCallable(new CheckCCL());
429	+
430	+	Runnable r = new CheckedRunnable() {
431	+	public void realRun() throws Exception {
432	+	if (System.getSecurityManager() == null)
433	+	return;
434	+	Callable task = Executors.privilegedCallable(new CheckCCL());
435	+	try {
436	+	task.call();
437	+	shouldThrow();
438	+	} catch (AccessControlException success) {}
439	+	}};
440	+
441	+	runWithoutPermissions(r);
442	+
443	+	// It seems rather difficult to test that the
444	+	// AccessControlContext of the privilegedCallable is used
445	+	// instead of its caller.  Below is a failed attempt to do
446	+	// that, which does not work because the AccessController
447	+	// cannot capture the internal state of the current Policy.
448	+	// It would be much more work to differentiate based on,
449	+	// e.g. CodeSource.
450	+
451	+	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
452	+	//         final Callable[] task = new Callable[1];
453	+
454	+	//         runWithPermissions
455	+	//             (new CheckedRunnable() {
456	+	//                 public void realRun() {
457	+	//                     if (System.getSecurityManager() == null)
458	+	//                         return;
459	+	//                     noprivAcc[0] = AccessController.getContext();
460	+	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
461	+	//                     try {
462	+	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
463	+	//                                                           public Void run() {
464	+	//                                                               checkCCL();
465	+	//                                                               return null;
466	+	//                                                           }}, noprivAcc[0]);
467	+	//                         shouldThrow();
468	+	//                     } catch (AccessControlException success) {}
469	+	//                 }});
470	+
471	+	//         runWithPermissions
472	+	//             (new CheckedRunnable() {
473	+	//                 public void realRun() throws Exception {
474	+	//                     if (System.getSecurityManager() == null)
475	+	//                         return;
476	+	//                     // Verify that we have an underprivileged ACC
477	+	//                     try {
478	+	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
479	+	//                                                           public Void run() {
480	+	//                                                               checkCCL();
481	+	//                                                               return null;
482	+	//                                                           }}, noprivAcc[0]);
483	+	//                         shouldThrow();
484	+	//                     } catch (AccessControlException success) {}
485	+
486	+	//                     try {
487	+	//                         task[0].call();
488	+	//                         shouldThrow();
489	+	//                     } catch (AccessControlException success) {}
490	+	//                 }},
491	+	//              new RuntimePermission("getClassLoader"),
492	+	//              new RuntimePermission("setContextClassLoader"));
493	+	}
494
495		/**
496	<	*  invoke(Executor, Runnable) throws InterruptedException if
400	<	*  caller interrupted.
496	>	* With permissions, calling privilegedCallable succeeds
497		*/
498	<	public void testInterruptedInvoke() {
499	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
500	<	Thread t = new Thread(new Runnable() {
501	<	public void run() {
502	<	try {
503	<	Executors.invoke(p,new Runnable() {
504	<	public void run() {
505	<	try {
506	<	Thread.sleep(MEDIUM_DELAY_MS);
411	<	shouldThrow();
412	<	} catch(InterruptedException e){
413	<	}
414	<	}
415	<	});
416	<	} catch(InterruptedException success){
417	<	} catch(Exception e) {
418	<	unexpectedException();
419	<	}
420	<
421	<	}
422	<	});
423	<	try {
424	<	t.start();
425	<	Thread.sleep(SHORT_DELAY_MS);
426	<	t.interrupt();
427	<	} catch(Exception e){
428	<	unexpectedException();
429	<	}
430	<	joinPool(p);
498	>	public void testprivilegedCallableWithPrivs() throws Exception {
499	>	Runnable r = new CheckedRunnable() {
500	>	public void realRun() throws Exception {
501	>	Executors.privilegedCallable(new CheckCCL()).call();
502	>	}};
503	>
504	>	runWithPermissions(r,
505	>	new RuntimePermission("getClassLoader"),
506	>	new RuntimePermission("setContextClassLoader"));
507		}
508
509		/**
510	<	*  invoke(Executor, Runnable) throws ExecutionException if
435	<	*  runnable throws exception.
510	>	* callable(Runnable) returns null when called
511		*/
512	<	public void testInvoke3() {
513	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
514	<	try {
440	<	Runnable r = new Runnable() {
441	<	public void run() {
442	<	int i = 5/0;
443	<	}
444	<	};
445	<
446	<	for(int i =0; i < 5; i++){
447	<	Executors.invoke(p,r);
448	<	}
449	<
450	<	shouldThrow();
451	<	} catch(ExecutionException success){
452	<	} catch(Exception e){
453	<	unexpectedException();
454	<	}
455	<	joinPool(p);
512	>	public void testCallable1() throws Exception {
513	>	Callable c = Executors.callable(new NoOpRunnable());
514	>	assertNull(c.call());
515		}
516
517	+	/**
518	+	* callable(Runnable, result) returns result when called
519	+	*/
520	+	public void testCallable2() throws Exception {
521	+	Callable c = Executors.callable(new NoOpRunnable(), one);
522	+	assertSame(one, c.call());
523	+	}
524
525	+	/**
526	+	* callable(PrivilegedAction) returns its result when called
527	+	*/
528	+	public void testCallable3() throws Exception {
529	+	Callable c = Executors.callable(new PrivilegedAction() {
530	+	public Object run() { return one; }});
531	+	assertSame(one, c.call());
532	+	}
533
534		/**
535	<	*  invoke(Executor, Callable) throws InterruptedException if
462	<	*  callable throws exception
535	>	* callable(PrivilegedExceptionAction) returns its result when called
536		*/
537	<	public void testInvoke5() {
538	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
539	<
540	<	final Callable c = new Callable() {
541	<	public Object call() {
469	<	try {
470	<	Executors.invoke(p, new SmallCallable());
471	<	shouldThrow();
472	<	} catch(InterruptedException e){}
473	<	catch(RejectedExecutionException e2){}
474	<	catch(ExecutionException e3){}
475	<	return Boolean.TRUE;
476	<	}
477	<	};
537	>	public void testCallable4() throws Exception {
538	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
539	>	public Object run() { return one; }});
540	>	assertSame(one, c.call());
541	>	}
542
543
544	<
545	<	Thread t = new Thread(new Runnable() {
546	<	public void run() {
547	<	try {
484	<	c.call();
485	<	} catch(Exception e){}
486	<	}
487	<	});
544	>	/**
545	>	* callable(null Runnable) throws NPE
546	>	*/
547	>	public void testCallableNPE1() {
548		try {
549	<	t.start();
550	<	Thread.sleep(SHORT_DELAY_MS);
551	<	t.interrupt();
492	<	t.join();
493	<	} catch(InterruptedException e){
494	<	unexpectedException();
495	<	}
496	<
497	<	joinPool(p);
549	>	Callable c = Executors.callable((Runnable) null);
550	>	shouldThrow();
551	>	} catch (NullPointerException success) {}
552		}
553
554		/**
555	<	*  invoke(Executor, Callable) will throw ExecutionException
502	<	*  if callable throws exception
555	>	* callable(null, result) throws NPE
556		*/
557	<	public void testInvoke6() {
505	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
506	<
557	>	public void testCallableNPE2() {
558		try {
559	<	Callable c = new Callable() {
509	<	public Object call() {
510	<	int i = 5/0;
511	<	return Boolean.TRUE;
512	<	}
513	<	};
514	<
515	<	for(int i =0; i < 5; i++){
516	<	Executors.invoke(p,c);
517	<	}
518	<
559	>	Callable c = Executors.callable((Runnable) null, one);
560		shouldThrow();
561	<	}
521	<	catch(ExecutionException success){
522	<	} catch(Exception e) {
523	<	unexpectedException();
524	<	}
525	<	joinPool(p);
561	>	} catch (NullPointerException success) {}
562		}
563
528	–
529	–
564		/**
565	<	*  timeouts from execute will time out if they compute too long.
565	>	* callable(null PrivilegedAction) throws NPE
566		*/
567	<	public void testTimedCallable() {
534	<	int N = 10000;
535	<	ExecutorService executor = Executors.newSingleThreadExecutor();
536	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
567	>	public void testCallableNPE3() {
568		try {
569	<	long startTime = System.currentTimeMillis();
570	<
571	<	long i = 0;
541	<	while (tasks.size() < N) {
542	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
543	<	i += 10;
544	<	}
545	<
546	<	int iters = 0;
547	<	BigInteger sum = BigInteger.ZERO;
548	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
549	<	try {
550	<	++iters;
551	<	sum = sum.add(it.next().call());
552	<	}
553	<	catch (TimeoutException success) {
554	<	assertTrue(iters > 0);
555	<	return;
556	<	}
557	<	catch (Exception e) {
558	<	unexpectedException();
559	<	}
560	<	}
561	<	// if by chance we didn't ever time out, total time must be small
562	<	long elapsed = System.currentTimeMillis() - startTime;
563	<	assertTrue(elapsed < N);
564	<	}
565	<	finally {
566	<	joinPool(executor);
567	<	}
569	>	Callable c = Executors.callable((PrivilegedAction) null);
570	>	shouldThrow();
571	>	} catch (NullPointerException success) {}
572		}
573
574	<
574	>	/**
575	>	* callable(null PrivilegedExceptionAction) throws NPE
576	>	*/
577	>	public void testCallableNPE4() {
578	>	try {
579	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
580	>	shouldThrow();
581	>	} catch (NullPointerException success) {}
582	>	}
583
584
585		}

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