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Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.10 by tim, Wed Dec 10 01:51:12 2003 UTC vs.
Revision 1.46 by jsr166, Sun Oct 4 16:14:48 2015 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	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10
11	<	import junit.framework.*;
12	<	import java.util.*;
13	<	import java.util.concurrent.*;
14	<	import java.math.BigInteger;
15	<	import java.security.*;
11	>	import java.security.AccessControlContext;
12	>	import java.security.AccessControlException;
13	>	import java.security.AccessController;
14	>	import java.security.PrivilegedAction;
15	>	import java.security.PrivilegedExceptionAction;
16	>	import java.util.ArrayList;
17	>	import java.util.List;
18	>	import java.util.concurrent.Callable;
19	>	import java.util.concurrent.CountDownLatch;
20	>	import java.util.concurrent.Executors;
21	>	import java.util.concurrent.ExecutorService;
22	>	import java.util.concurrent.Future;
23	>	import java.util.concurrent.ScheduledExecutorService;
24	>	import java.util.concurrent.ThreadPoolExecutor;
25
26	<	public class ExecutorsTest extends JSR166TestCase{
26	>	import junit.framework.Test;
27	>	import junit.framework.TestSuite;
28	>
29	>	public class ExecutorsTest extends JSR166TestCase {
30		public static void main(String[] args) {
31	<	junit.textui.TestRunner.run (suite());
31	>	main(suite(), args);
32		}
33		public static Test suite() {
34		return new TestSuite(ExecutorsTest.class);
35		}
36
23	–	static class TimedCallable<T> implements Callable<T> {
24	–	private final ExecutorService exec;
25	–	private final Callable<T> func;
26	–	private final long msecs;
27	–
28	–	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
29	–	this.exec = exec;
30	–	this.func = func;
31	–	this.msecs = msecs;
32	–	}
33	–
34	–	public T call() throws Exception {
35	–	Future<T> ftask = exec.submit(func);
36	–	try {
37	–	return ftask.get(msecs, TimeUnit.MILLISECONDS);
38	–	} finally {
39	–	ftask.cancel(true);
40	–	}
41	–	}
42	–	}
43	–
44	–
45	–	private static class Fib implements Callable<BigInteger> {
46	–	private final BigInteger n;
47	–	Fib(long n) {
48	–	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
49	–	this.n = BigInteger.valueOf(n);
50	–	}
51	–	public BigInteger call() {
52	–	BigInteger f1 = BigInteger.ONE;
53	–	BigInteger f2 = f1;
54	–	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
55	–	BigInteger t = f1.add(f2);
56	–	f1 = f2;
57	–	f2 = t;
58	–	}
59	–	return f1;
60	–	}
61	–	};
62	–
37		/**
38		* A newCachedThreadPool can execute runnables
39		*/
40		public void testNewCachedThreadPool1() {
41	<	ExecutorService e = Executors.newCachedThreadPool();
42	<	e.execute(new NoOpRunnable());
43	<	e.execute(new NoOpRunnable());
44	<	e.execute(new NoOpRunnable());
45	<	e.shutdown();
41	>	final ExecutorService e = Executors.newCachedThreadPool();
42	>	try (PoolCleaner cleaner = cleaner(e)) {
43	>	e.execute(new NoOpRunnable());
44	>	e.execute(new NoOpRunnable());
45	>	e.execute(new NoOpRunnable());
46	>	}
47		}
48
49		/**
50		* A newCachedThreadPool with given ThreadFactory can execute runnables
51		*/
52		public void testNewCachedThreadPool2() {
53	<	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
54	<	e.execute(new NoOpRunnable());
55	<	e.execute(new NoOpRunnable());
56	<	e.execute(new NoOpRunnable());
57	<	e.shutdown();
53	>	final ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
54	>	try (PoolCleaner cleaner = cleaner(e)) {
55	>	e.execute(new NoOpRunnable());
56	>	e.execute(new NoOpRunnable());
57	>	e.execute(new NoOpRunnable());
58	>	}
59		}
60
61		/**
#	Line 89 | Line 65 | public class ExecutorsTest extends JSR16
65		try {
66		ExecutorService e = Executors.newCachedThreadPool(null);
67		shouldThrow();
68	<	}
93	<	catch(NullPointerException success) {
94	<	}
68	>	} catch (NullPointerException success) {}
69		}
70
97	–
71		/**
72		* A new SingleThreadExecutor can execute runnables
73		*/
74		public void testNewSingleThreadExecutor1() {
75	<	ExecutorService e = Executors.newSingleThreadExecutor();
76	<	e.execute(new NoOpRunnable());
77	<	e.execute(new NoOpRunnable());
78	<	e.execute(new NoOpRunnable());
79	<	e.shutdown();
75	>	final ExecutorService e = Executors.newSingleThreadExecutor();
76	>	try (PoolCleaner cleaner = cleaner(e)) {
77	>	e.execute(new NoOpRunnable());
78	>	e.execute(new NoOpRunnable());
79	>	e.execute(new NoOpRunnable());
80	>	}
81		}
82
83		/**
84		* A new SingleThreadExecutor with given ThreadFactory can execute runnables
85		*/
86		public void testNewSingleThreadExecutor2() {
87	<	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
88	<	e.execute(new NoOpRunnable());
89	<	e.execute(new NoOpRunnable());
90	<	e.execute(new NoOpRunnable());
91	<	e.shutdown();
87	>	final ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
88	>	try (PoolCleaner cleaner = cleaner(e)) {
89	>	e.execute(new NoOpRunnable());
90	>	e.execute(new NoOpRunnable());
91	>	e.execute(new NoOpRunnable());
92	>	}
93		}
94
95		/**
#	Line 124 | Line 99 | public class ExecutorsTest extends JSR16
99		try {
100		ExecutorService e = Executors.newSingleThreadExecutor(null);
101		shouldThrow();
102	<	}
103	<	catch(NullPointerException success) {
102	>	} catch (NullPointerException success) {}
103	>	}
104	>
105	>	/**
106	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
107	>	*/
108	>	public void testCastNewSingleThreadExecutor() {
109	>	final ExecutorService e = Executors.newSingleThreadExecutor();
110	>	try (PoolCleaner cleaner = cleaner(e)) {
111	>	try {
112	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
113	>	shouldThrow();
114	>	} catch (ClassCastException success) {}
115		}
116		}
117
#	Line 133 | Line 119 | public class ExecutorsTest extends JSR16
119		* A new newFixedThreadPool can execute runnables
120		*/
121		public void testNewFixedThreadPool1() {
122	<	ExecutorService e = Executors.newFixedThreadPool(2);
123	<	e.execute(new NoOpRunnable());
124	<	e.execute(new NoOpRunnable());
125	<	e.execute(new NoOpRunnable());
126	<	e.shutdown();
122	>	final ExecutorService e = Executors.newFixedThreadPool(2);
123	>	try (PoolCleaner cleaner = cleaner(e)) {
124	>	e.execute(new NoOpRunnable());
125	>	e.execute(new NoOpRunnable());
126	>	e.execute(new NoOpRunnable());
127	>	}
128		}
129
130		/**
131		* A new newFixedThreadPool with given ThreadFactory can execute runnables
132		*/
133		public void testNewFixedThreadPool2() {
134	<	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
135	<	e.execute(new NoOpRunnable());
136	<	e.execute(new NoOpRunnable());
137	<	e.execute(new NoOpRunnable());
138	<	e.shutdown();
134	>	final ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
135	>	try (PoolCleaner cleaner = cleaner(e)) {
136	>	e.execute(new NoOpRunnable());
137	>	e.execute(new NoOpRunnable());
138	>	e.execute(new NoOpRunnable());
139	>	}
140		}
141
142		/**
#	Line 158 | Line 146 | public class ExecutorsTest extends JSR16
146		try {
147		ExecutorService e = Executors.newFixedThreadPool(2, null);
148		shouldThrow();
149	<	}
162	<	catch(NullPointerException success) {
163	<	}
149	>	} catch (NullPointerException success) {}
150		}
151
152		/**
#	Line 170 | Line 156 | public class ExecutorsTest extends JSR16
156		try {
157		ExecutorService e = Executors.newFixedThreadPool(0);
158		shouldThrow();
159	<	}
160	<	catch(IllegalArgumentException success) {
159	>	} catch (IllegalArgumentException success) {}
160	>	}
161	>
162	>	/**
163	>	* An unconfigurable newFixedThreadPool can execute runnables
164	>	*/
165	>	public void testUnconfigurableExecutorService() {
166	>	final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
167	>	try (PoolCleaner cleaner = cleaner(e)) {
168	>	e.execute(new NoOpRunnable());
169	>	e.execute(new NoOpRunnable());
170	>	e.execute(new NoOpRunnable());
171		}
172		}
173
174	+	/**
175	+	* unconfigurableExecutorService(null) throws NPE
176	+	*/
177	+	public void testUnconfigurableExecutorServiceNPE() {
178	+	try {
179	+	ExecutorService e = Executors.unconfigurableExecutorService(null);
180	+	shouldThrow();
181	+	} catch (NullPointerException success) {}
182	+	}
183
184		/**
185	<	*  timeouts from execute will time out if they compute too long.
185	>	* unconfigurableScheduledExecutorService(null) throws NPE
186		*/
187	<	public void testTimedCallable() {
183	<	int N = 10000;
184	<	ExecutorService executor = Executors.newSingleThreadExecutor();
185	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
187	>	public void testUnconfigurableScheduledExecutorServiceNPE() {
188		try {
189	<	long startTime = System.currentTimeMillis();
190	<
191	<	long i = 0;
192	<	while (tasks.size() < N) {
193	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
194	<	i += 10;
195	<	}
196	<
197	<	int iters = 0;
198	<	BigInteger sum = BigInteger.ZERO;
199	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
200	<	try {
201	<	++iters;
202	<	sum = sum.add(it.next().call());
203	<	}
204	<	catch (TimeoutException success) {
205	<	assertTrue(iters > 0);
206	<	return;
207	<	}
208	<	catch (Exception e) {
209	<	unexpectedException();
210	<	}
211	<	}
212	<	// if by chance we didn't ever time out, total time must be small
213	<	long elapsed = System.currentTimeMillis() - startTime;
214	<	assertTrue(elapsed < N);
215	<	}
216	<	finally {
189	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
190	>	shouldThrow();
191	>	} catch (NullPointerException success) {}
192	>	}
193	>
194	>	/**
195	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
196	>	*/
197	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
198	>	final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
199	>	try (PoolCleaner cleaner = cleaner(p)) {
200	>	final CountDownLatch proceed = new CountDownLatch(1);
201	>	final Runnable task = new CheckedRunnable() {
202	>	public void realRun() {
203	>	await(proceed);
204	>	}};
205	>	long startTime = System.nanoTime();
206	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
207	>	timeoutMillis(), MILLISECONDS);
208	>	assertFalse(f.isDone());
209	>	proceed.countDown();
210	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
211	>	assertSame(Boolean.TRUE, f.get());
212	>	assertTrue(f.isDone());
213	>	assertFalse(f.isCancelled());
214	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
215	>	}
216	>	}
217	>
218	>	/**
219	>	* a newScheduledThreadPool successfully runs delayed task
220	>	*/
221	>	public void testNewScheduledThreadPool() throws Exception {
222	>	final ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
223	>	try (PoolCleaner cleaner = cleaner(p)) {
224	>	final CountDownLatch proceed = new CountDownLatch(1);
225	>	final Runnable task = new CheckedRunnable() {
226	>	public void realRun() {
227	>	await(proceed);
228	>	}};
229	>	long startTime = System.nanoTime();
230	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
231	>	timeoutMillis(), MILLISECONDS);
232	>	assertFalse(f.isDone());
233	>	proceed.countDown();
234	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
235	>	assertSame(Boolean.TRUE, f.get());
236	>	assertTrue(f.isDone());
237	>	assertFalse(f.isCancelled());
238	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
239	>	}
240	>	}
241	>
242	>	/**
243	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
244	>	*/
245	>	public void testUnconfigurableScheduledExecutorService() throws Exception {
246	>	final ScheduledExecutorService p =
247	>	Executors.unconfigurableScheduledExecutorService
248	>	(Executors.newScheduledThreadPool(2));
249	>	try (PoolCleaner cleaner = cleaner(p)) {
250	>	final CountDownLatch proceed = new CountDownLatch(1);
251	>	final Runnable task = new CheckedRunnable() {
252	>	public void realRun() {
253	>	await(proceed);
254	>	}};
255	>	long startTime = System.nanoTime();
256	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
257	>	timeoutMillis(), MILLISECONDS);
258	>	assertFalse(f.isDone());
259	>	proceed.countDown();
260	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
261	>	assertSame(Boolean.TRUE, f.get());
262	>	assertTrue(f.isDone());
263	>	assertFalse(f.isCancelled());
264	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
265	>	}
266	>	}
267	>
268	>	/**
269	>	* Future.get on submitted tasks will time out if they compute too long.
270	>	*/
271	>	public void testTimedCallable() throws Exception {
272	>	final ExecutorService[] executors = {
273	>	Executors.newSingleThreadExecutor(),
274	>	Executors.newCachedThreadPool(),
275	>	Executors.newFixedThreadPool(2),
276	>	Executors.newScheduledThreadPool(2),
277	>	};
278	>
279	>	final Runnable sleeper = new CheckedInterruptedRunnable() {
280	>	public void realRun() throws InterruptedException {
281	>	delay(LONG_DELAY_MS);
282	>	}};
283	>
284	>	List<Thread> threads = new ArrayList<Thread>();
285	>	for (final ExecutorService executor : executors) {
286	>	threads.add(newStartedThread(new CheckedRunnable() {
287	>	public void realRun() {
288	>	Future future = executor.submit(sleeper);
289	>	assertFutureTimesOut(future);
290	>	}}));
291	>	}
292	>	for (Thread thread : threads)
293	>	awaitTermination(thread);
294	>	for (ExecutorService executor : executors)
295		joinPool(executor);
216	–	}
296		}
297
219	–
298		/**
299		* ThreadPoolExecutor using defaultThreadFactory has
300		* specified group, priority, daemon status, and name
301		*/
302	<	public void testDefaultThreadFactory() {
302	>	public void testDefaultThreadFactory() throws Exception {
303		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
304	<	Runnable r = new Runnable() {
305	<	public void run() {
304	>	final CountDownLatch done = new CountDownLatch(1);
305	>	Runnable r = new CheckedRunnable() {
306	>	public void realRun() {
307	>	try {
308		Thread current = Thread.currentThread();
309	<	threadAssertTrue(!current.isDaemon());
310	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
309	>	assertTrue(!current.isDaemon());
310	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
311		ThreadGroup g = current.getThreadGroup();
312		SecurityManager s = System.getSecurityManager();
313		if (s != null)
314	<	threadAssertTrue(g == s.getThreadGroup());
314	>	assertTrue(g == s.getThreadGroup());
315		else
316	<	threadAssertTrue(g == egroup);
316	>	assertTrue(g == egroup);
317		String name = current.getName();
318	<	threadAssertTrue(name.endsWith("thread-1"));
318	>	assertTrue(name.endsWith("thread-1"));
319	>	} catch (SecurityException ok) {
320	>	// Also pass if not allowed to change setting
321		}
322	<	};
322	>	done.countDown();
323	>	}};
324		ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
325	<
326	<	e.execute(r);
327	<	e.shutdown();
245	<	try {
246	<	Thread.sleep(SHORT_DELAY_MS);
247	<	} catch (Exception eX) {
248	<	unexpectedException();
249	<	} finally {
250	<	joinPool(e);
325	>	try (PoolCleaner cleaner = cleaner(e)) {
326	>	e.execute(r);
327	>	await(done);
328		}
329		}
330
#	Line 256 | Line 333 | public class ExecutorsTest extends JSR16
333		* specified group, priority, daemon status, name,
334		* access control context and context class loader
335		*/
336	<	public void testPrivilegedThreadFactory() {
337	<	Policy savedPolicy = Policy.getPolicy();
338	<	AdjustablePolicy policy = new AdjustablePolicy();
339	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
340	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
341	<	Policy.setPolicy(policy);
342	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
343	<	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
344	<	final AccessControlContext thisacc = AccessController.getContext();
345	<	Runnable r = new Runnable() {
346	<	public void run() {
347	<	Thread current = Thread.currentThread();
348	<	threadAssertTrue(!current.isDaemon());
349	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
350	<	ThreadGroup g = current.getThreadGroup();
351	<	SecurityManager s = System.getSecurityManager();
352	<	if (s != null)
353	<	threadAssertTrue(g == s.getThreadGroup());
354	<	else
355	<	threadAssertTrue(g == egroup);
356	<	String name = current.getName();
357	<	threadAssertTrue(name.endsWith("thread-1"));
358	<	threadAssertTrue(thisccl == current.getContextClassLoader());
359	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
336	>	public void testPrivilegedThreadFactory() throws Exception {
337	>	final CountDownLatch done = new CountDownLatch(1);
338	>	Runnable r = new CheckedRunnable() {
339	>	public void realRun() throws Exception {
340	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
341	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
342	>	final AccessControlContext thisacc = AccessController.getContext();
343	>	Runnable r = new CheckedRunnable() {
344	>	public void realRun() {
345	>	Thread current = Thread.currentThread();
346	>	assertTrue(!current.isDaemon());
347	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
348	>	ThreadGroup g = current.getThreadGroup();
349	>	SecurityManager s = System.getSecurityManager();
350	>	if (s != null)
351	>	assertTrue(g == s.getThreadGroup());
352	>	else
353	>	assertTrue(g == egroup);
354	>	String name = current.getName();
355	>	assertTrue(name.endsWith("thread-1"));
356	>	assertSame(thisccl, current.getContextClassLoader());
357	>	assertEquals(thisacc, AccessController.getContext());
358	>	done.countDown();
359	>	}};
360	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
361	>	try (PoolCleaner cleaner = cleaner(e)) {
362	>	e.execute(r);
363	>	await(done);
364		}
365	<	};
366	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
367	<
368	<	Policy.setPolicy(savedPolicy);
369	<	e.execute(r);
370	<	e.shutdown();
371	<	try {
372	<	Thread.sleep(SHORT_DELAY_MS);
373	<	} catch (Exception ex) {
374	<	unexpectedException();
375	<	} finally {
376	<	joinPool(e);
365	>	}};
366	>
367	>	runWithPermissions(r,
368	>	new RuntimePermission("getClassLoader"),
369	>	new RuntimePermission("setContextClassLoader"),
370	>	new RuntimePermission("modifyThread"));
371	>	}
372	>
373	>	boolean haveCCLPermissions() {
374	>	SecurityManager sm = System.getSecurityManager();
375	>	if (sm != null) {
376	>	try {
377	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
378	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
379	>	} catch (AccessControlException e) {
380	>	return false;
381	>	}
382	>	}
383	>	return true;
384	>	}
385	>
386	>	void checkCCL() {
387	>	SecurityManager sm = System.getSecurityManager();
388	>	if (sm != null) {
389	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
390	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
391		}
392	+	}
393
394	+	class CheckCCL implements Callable<Object> {
395	+	public Object call() {
396	+	checkCCL();
397	+	return null;
398	+	}
399	+	}
400	+
401	+	/**
402	+	* Without class loader permissions, creating
403	+	* privilegedCallableUsingCurrentClassLoader throws ACE
404	+	*/
405	+	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
406	+	Runnable r = new CheckedRunnable() {
407	+	public void realRun() throws Exception {
408	+	if (System.getSecurityManager() == null)
409	+	return;
410	+	try {
411	+	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
412	+	shouldThrow();
413	+	} catch (AccessControlException success) {}
414	+	}};
415	+
416	+	runWithoutPermissions(r);
417	+	}
418	+
419	+	/**
420	+	* With class loader permissions, calling
421	+	* privilegedCallableUsingCurrentClassLoader does not throw ACE
422	+	*/
423	+	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
424	+	Runnable r = new CheckedRunnable() {
425	+	public void realRun() throws Exception {
426	+	Executors.privilegedCallableUsingCurrentClassLoader
427	+	(new NoOpCallable())
428	+	.call();
429	+	}};
430	+
431	+	runWithPermissions(r,
432	+	new RuntimePermission("getClassLoader"),
433	+	new RuntimePermission("setContextClassLoader"));
434	+	}
435	+
436	+	/**
437	+	* Without permissions, calling privilegedCallable throws ACE
438	+	*/
439	+	public void testPrivilegedCallableWithNoPrivs() throws Exception {
440	+	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
441	+	Executors.privilegedCallable(new CheckCCL());
442	+
443	+	Runnable r = new CheckedRunnable() {
444	+	public void realRun() throws Exception {
445	+	if (System.getSecurityManager() == null)
446	+	return;
447	+	Callable task = Executors.privilegedCallable(new CheckCCL());
448	+	try {
449	+	task.call();
450	+	shouldThrow();
451	+	} catch (AccessControlException success) {}
452	+	}};
453	+
454	+	runWithoutPermissions(r);
455	+
456	+	// It seems rather difficult to test that the
457	+	// AccessControlContext of the privilegedCallable is used
458	+	// instead of its caller.  Below is a failed attempt to do
459	+	// that, which does not work because the AccessController
460	+	// cannot capture the internal state of the current Policy.
461	+	// It would be much more work to differentiate based on,
462	+	// e.g. CodeSource.
463	+
464	+	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
465	+	//         final Callable[] task = new Callable[1];
466	+
467	+	//         runWithPermissions
468	+	//             (new CheckedRunnable() {
469	+	//                 public void realRun() {
470	+	//                     if (System.getSecurityManager() == null)
471	+	//                         return;
472	+	//                     noprivAcc[0] = AccessController.getContext();
473	+	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
474	+	//                     try {
475	+	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
476	+	//                                                           public Void run() {
477	+	//                                                               checkCCL();
478	+	//                                                               return null;
479	+	//                                                           }}, noprivAcc[0]);
480	+	//                         shouldThrow();
481	+	//                     } catch (AccessControlException success) {}
482	+	//                 }});
483	+
484	+	//         runWithPermissions
485	+	//             (new CheckedRunnable() {
486	+	//                 public void realRun() throws Exception {
487	+	//                     if (System.getSecurityManager() == null)
488	+	//                         return;
489	+	//                     // Verify that we have an underprivileged ACC
490	+	//                     try {
491	+	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
492	+	//                                                           public Void run() {
493	+	//                                                               checkCCL();
494	+	//                                                               return null;
495	+	//                                                           }}, noprivAcc[0]);
496	+	//                         shouldThrow();
497	+	//                     } catch (AccessControlException success) {}
498	+
499	+	//                     try {
500	+	//                         task[0].call();
501	+	//                         shouldThrow();
502	+	//                     } catch (AccessControlException success) {}
503	+	//                 }},
504	+	//              new RuntimePermission("getClassLoader"),
505	+	//              new RuntimePermission("setContextClassLoader"));
506	+	}
507	+
508	+	/**
509	+	* With permissions, calling privilegedCallable succeeds
510	+	*/
511	+	public void testPrivilegedCallableWithPrivs() throws Exception {
512	+	Runnable r = new CheckedRunnable() {
513	+	public void realRun() throws Exception {
514	+	Executors.privilegedCallable(new CheckCCL()).call();
515	+	}};
516	+
517	+	runWithPermissions(r,
518	+	new RuntimePermission("getClassLoader"),
519	+	new RuntimePermission("setContextClassLoader"));
520	+	}
521	+
522	+	/**
523	+	* callable(Runnable) returns null when called
524	+	*/
525	+	public void testCallable1() throws Exception {
526	+	Callable c = Executors.callable(new NoOpRunnable());
527	+	assertNull(c.call());
528	+	}
529	+
530	+	/**
531	+	* callable(Runnable, result) returns result when called
532	+	*/
533	+	public void testCallable2() throws Exception {
534	+	Callable c = Executors.callable(new NoOpRunnable(), one);
535	+	assertSame(one, c.call());
536	+	}
537	+
538	+	/**
539	+	* callable(PrivilegedAction) returns its result when called
540	+	*/
541	+	public void testCallable3() throws Exception {
542	+	Callable c = Executors.callable(new PrivilegedAction() {
543	+	public Object run() { return one; }});
544	+	assertSame(one, c.call());
545	+	}
546	+
547	+	/**
548	+	* callable(PrivilegedExceptionAction) returns its result when called
549	+	*/
550	+	public void testCallable4() throws Exception {
551	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
552	+	public Object run() { return one; }});
553	+	assertSame(one, c.call());
554	+	}
555	+
556	+	/**
557	+	* callable(null Runnable) throws NPE
558	+	*/
559	+	public void testCallableNPE1() {
560	+	try {
561	+	Callable c = Executors.callable((Runnable) null);
562	+	shouldThrow();
563	+	} catch (NullPointerException success) {}
564	+	}
565	+
566	+	/**
567	+	* callable(null, result) throws NPE
568	+	*/
569	+	public void testCallableNPE2() {
570	+	try {
571	+	Callable c = Executors.callable((Runnable) null, one);
572	+	shouldThrow();
573	+	} catch (NullPointerException success) {}
574	+	}
575	+
576	+	/**
577	+	* callable(null PrivilegedAction) throws NPE
578	+	*/
579	+	public void testCallableNPE3() {
580	+	try {
581	+	Callable c = Executors.callable((PrivilegedAction) null);
582	+	shouldThrow();
583	+	} catch (NullPointerException success) {}
584	+	}
585	+
586	+	/**
587	+	* callable(null PrivilegedExceptionAction) throws NPE
588	+	*/
589	+	public void testCallableNPE4() {
590	+	try {
591	+	Callable c = Executors.callable((PrivilegedExceptionAction) null);
592	+	shouldThrow();
593	+	} catch (NullPointerException success) {}
594		}
595
596		}

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