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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.10 by tim, Wed Dec 10 01:51:12 2003 UTC vs.
Revision 1.44 by jsr166, Sun Feb 22 19:16:12 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	>	junit.textui.TestRunner.run(suite());
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		*/
#	Line 68 | Line 42 | public class ExecutorsTest extends JSR16
42		e.execute(new NoOpRunnable());
43		e.execute(new NoOpRunnable());
44		e.execute(new NoOpRunnable());
45	<	e.shutdown();
45	>	joinPool(e);
46		}
47
48		/**
#	Line 79 | Line 53 | public class ExecutorsTest extends JSR16
53		e.execute(new NoOpRunnable());
54		e.execute(new NoOpRunnable());
55		e.execute(new NoOpRunnable());
56	<	e.shutdown();
56	>	joinPool(e);
57		}
58
59		/**
#	Line 89 | Line 63 | public class ExecutorsTest extends JSR16
63		try {
64		ExecutorService e = Executors.newCachedThreadPool(null);
65		shouldThrow();
66	<	}
93	<	catch(NullPointerException success) {
94	<	}
66	>	} catch (NullPointerException success) {}
67		}
68
97	–
69		/**
70		* A new SingleThreadExecutor can execute runnables
71		*/
#	Line 103 | Line 74 | public class ExecutorsTest extends JSR16
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 114 | Line 85 | public class ExecutorsTest extends JSR16
85		e.execute(new NoOpRunnable());
86		e.execute(new NoOpRunnable());
87		e.execute(new NoOpRunnable());
88	<	e.shutdown();
88	>	joinPool(e);
89		}
90
91		/**
#	Line 124 | Line 95 | public class ExecutorsTest extends JSR16
95		try {
96		ExecutorService e = Executors.newSingleThreadExecutor(null);
97		shouldThrow();
98	<	}
99	<	catch(NullPointerException success) {
98	>	} catch (NullPointerException success) {}
99	>	}
100	>
101	>	/**
102	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
103	>	*/
104	>	public void testCastNewSingleThreadExecutor() {
105	>	ExecutorService e = Executors.newSingleThreadExecutor();
106	>	try {
107	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
108	>	shouldThrow();
109	>	} catch (ClassCastException success) {
110	>	} finally {
111	>	joinPool(e);
112		}
113		}
114
#	Line 137 | Line 120 | public class ExecutorsTest extends JSR16
120		e.execute(new NoOpRunnable());
121		e.execute(new NoOpRunnable());
122		e.execute(new NoOpRunnable());
123	<	e.shutdown();
123	>	joinPool(e);
124		}
125
126		/**
#	Line 148 | Line 131 | public class ExecutorsTest extends JSR16
131		e.execute(new NoOpRunnable());
132		e.execute(new NoOpRunnable());
133		e.execute(new NoOpRunnable());
134	<	e.shutdown();
134	>	joinPool(e);
135		}
136
137		/**
#	Line 158 | Line 141 | public class ExecutorsTest extends JSR16
141		try {
142		ExecutorService e = Executors.newFixedThreadPool(2, null);
143		shouldThrow();
144	<	}
162	<	catch(NullPointerException success) {
163	<	}
144	>	} catch (NullPointerException success) {}
145		}
146
147		/**
#	Line 170 | Line 151 | public class ExecutorsTest extends JSR16
151		try {
152		ExecutorService e = Executors.newFixedThreadPool(0);
153		shouldThrow();
154	+	} catch (IllegalArgumentException success) {}
155	+	}
156	+
157	+	/**
158	+	* An unconfigurable newFixedThreadPool can execute runnables
159	+	*/
160	+	public void testUnconfigurableExecutorService() {
161	+	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
162	+	e.execute(new NoOpRunnable());
163	+	e.execute(new NoOpRunnable());
164	+	e.execute(new NoOpRunnable());
165	+	joinPool(e);
166	+	}
167	+
168	+	/**
169	+	* unconfigurableExecutorService(null) throws NPE
170	+	*/
171	+	public void testUnconfigurableExecutorServiceNPE() {
172	+	try {
173	+	ExecutorService e = Executors.unconfigurableExecutorService(null);
174	+	shouldThrow();
175	+	} catch (NullPointerException success) {}
176	+	}
177	+
178	+	/**
179	+	* unconfigurableScheduledExecutorService(null) throws NPE
180	+	*/
181	+	public void testUnconfigurableScheduledExecutorServiceNPE() {
182	+	try {
183	+	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
184	+	shouldThrow();
185	+	} catch (NullPointerException success) {}
186	+	}
187	+
188	+	/**
189	+	* a newSingleThreadScheduledExecutor successfully runs delayed task
190	+	*/
191	+	public void testNewSingleThreadScheduledExecutor() throws Exception {
192	+	ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
193	+	try {
194	+	final CountDownLatch proceed = new CountDownLatch(1);
195	+	final Runnable task = new CheckedRunnable() {
196	+	public void realRun() {
197	+	await(proceed);
198	+	}};
199	+	long startTime = System.nanoTime();
200	+	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
201	+	timeoutMillis(), MILLISECONDS);
202	+	assertFalse(f.isDone());
203	+	proceed.countDown();
204	+	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
205	+	assertSame(Boolean.TRUE, f.get());
206	+	assertTrue(f.isDone());
207	+	assertFalse(f.isCancelled());
208	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
209	+	} finally {
210	+	joinPool(p);
211		}
212	<	catch(IllegalArgumentException success) {
212	>	}
213	>
214	>	/**
215	>	* a newScheduledThreadPool successfully runs delayed task
216	>	*/
217	>	public void testNewScheduledThreadPool() throws Exception {
218	>	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
219	>	try {
220	>	final CountDownLatch proceed = new CountDownLatch(1);
221	>	final Runnable task = new CheckedRunnable() {
222	>	public void realRun() {
223	>	await(proceed);
224	>	}};
225	>	long startTime = System.nanoTime();
226	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
227	>	timeoutMillis(), MILLISECONDS);
228	>	assertFalse(f.isDone());
229	>	proceed.countDown();
230	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
231	>	assertSame(Boolean.TRUE, f.get());
232	>	assertTrue(f.isDone());
233	>	assertFalse(f.isCancelled());
234	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
235	>	} finally {
236	>	joinPool(p);
237		}
238		}
239
240	+	/**
241	+	* an unconfigurable newScheduledThreadPool successfully runs delayed task
242	+	*/
243	+	public void testUnconfigurableScheduledExecutorService() throws Exception {
244	+	ScheduledExecutorService p =
245	+	Executors.unconfigurableScheduledExecutorService
246	+	(Executors.newScheduledThreadPool(2));
247	+	try {
248	+	final CountDownLatch proceed = new CountDownLatch(1);
249	+	final Runnable task = new CheckedRunnable() {
250	+	public void realRun() {
251	+	await(proceed);
252	+	}};
253	+	long startTime = System.nanoTime();
254	+	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
255	+	timeoutMillis(), MILLISECONDS);
256	+	assertFalse(f.isDone());
257	+	proceed.countDown();
258	+	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
259	+	assertSame(Boolean.TRUE, f.get());
260	+	assertTrue(f.isDone());
261	+	assertFalse(f.isCancelled());
262	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
263	+	} finally {
264	+	joinPool(p);
265	+	}
266	+	}
267
268		/**
269	<	*  timeouts from execute will time out if they compute too long.
269	>	* Future.get on submitted tasks will time out if they compute too long.
270		*/
271	<	public void testTimedCallable() {
272	<	int N = 10000;
273	<	ExecutorService executor = Executors.newSingleThreadExecutor();
274	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
275	<	try {
276	<	long startTime = System.currentTimeMillis();
277	<
278	<	long i = 0;
279	<	while (tasks.size() < N) {
280	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
281	<	i += 10;
282	<	}
283	<
284	<	int iters = 0;
285	<	BigInteger sum = BigInteger.ZERO;
286	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
287	<	try {
288	<	++iters;
289	<	sum = sum.add(it.next().call());
290	<	}
202	<	catch (TimeoutException success) {
203	<	assertTrue(iters > 0);
204	<	return;
205	<	}
206	<	catch (Exception e) {
207	<	unexpectedException();
208	<	}
209	<	}
210	<	// if by chance we didn't ever time out, total time must be small
211	<	long elapsed = System.currentTimeMillis() - startTime;
212	<	assertTrue(elapsed < N);
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	<	finally {
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	<
325	>
326		e.execute(r);
327	<	e.shutdown();
327	>	await(done);
328	>
329		try {
330	<	Thread.sleep(SHORT_DELAY_MS);
331	<	} catch (Exception eX) {
248	<	unexpectedException();
249	<	} finally {
250	<	joinPool(e);
330	>	e.shutdown();
331	>	} catch (SecurityException ok) {
332		}
333	+
334	+	joinPool(e);
335		}
336
337		/**
#	Line 256 | Line 339 | public class ExecutorsTest extends JSR16
339		* specified group, priority, daemon status, name,
340		* access control context and context class loader
341		*/
342	<	public void testPrivilegedThreadFactory() {
343	<	Policy savedPolicy = Policy.getPolicy();
344	<	AdjustablePolicy policy = new AdjustablePolicy();
345	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
346	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
347	<	Policy.setPolicy(policy);
348	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
349	<	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
350	<	final AccessControlContext thisacc = AccessController.getContext();
351	<	Runnable r = new Runnable() {
352	<	public void run() {
353	<	Thread current = Thread.currentThread();
354	<	threadAssertTrue(!current.isDaemon());
355	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
356	<	ThreadGroup g = current.getThreadGroup();
357	<	SecurityManager s = System.getSecurityManager();
358	<	if (s != null)
359	<	threadAssertTrue(g == s.getThreadGroup());
360	<	else
361	<	threadAssertTrue(g == egroup);
362	<	String name = current.getName();
363	<	threadAssertTrue(name.endsWith("thread-1"));
364	<	threadAssertTrue(thisccl == current.getContextClassLoader());
365	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
366	<	}
367	<	};
368	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
369	<
370	<	Policy.setPolicy(savedPolicy);
371	<	e.execute(r);
372	<	e.shutdown();
373	<	try {
374	<	Thread.sleep(SHORT_DELAY_MS);
375	<	} catch (Exception ex) {
376	<	unexpectedException();
377	<	} finally {
378	<	joinPool(e);
342	>	public void testPrivilegedThreadFactory() throws Exception {
343	>	final CountDownLatch done = new CountDownLatch(1);
344	>	Runnable r = new CheckedRunnable() {
345	>	public void realRun() throws Exception {
346	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
347	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
348	>	final AccessControlContext thisacc = AccessController.getContext();
349	>	Runnable r = new CheckedRunnable() {
350	>	public void realRun() {
351	>	Thread current = Thread.currentThread();
352	>	assertTrue(!current.isDaemon());
353	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
354	>	ThreadGroup g = current.getThreadGroup();
355	>	SecurityManager s = System.getSecurityManager();
356	>	if (s != null)
357	>	assertTrue(g == s.getThreadGroup());
358	>	else
359	>	assertTrue(g == egroup);
360	>	String name = current.getName();
361	>	assertTrue(name.endsWith("thread-1"));
362	>	assertSame(thisccl, current.getContextClassLoader());
363	>	assertEquals(thisacc, AccessController.getContext());
364	>	done.countDown();
365	>	}};
366	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
367	>	e.execute(r);
368	>	await(done);
369	>	e.shutdown();
370	>	joinPool(e);
371	>	}};
372	>
373	>	runWithPermissions(r,
374	>	new RuntimePermission("getClassLoader"),
375	>	new RuntimePermission("setContextClassLoader"),
376	>	new RuntimePermission("modifyThread"));
377	>	}
378	>
379	>	boolean haveCCLPermissions() {
380	>	SecurityManager sm = System.getSecurityManager();
381	>	if (sm != null) {
382	>	try {
383	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
384	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
385	>	} catch (AccessControlException e) {
386	>	return false;
387	>	}
388		}
389	+	return true;
390	+	}
391	+
392	+	void checkCCL() {
393	+	SecurityManager sm = System.getSecurityManager();
394	+	if (sm != null) {
395	+	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
396	+	sm.checkPermission(new RuntimePermission("getClassLoader"));
397	+	}
398	+	}
399	+
400	+	class CheckCCL implements Callable<Object> {
401	+	public Object call() {
402	+	checkCCL();
403	+	return null;
404	+	}
405	+	}
406	+
407	+	/**
408	+	* Without class loader permissions, creating
409	+	* privilegedCallableUsingCurrentClassLoader throws ACE
410	+	*/
411	+	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
412	+	Runnable r = new CheckedRunnable() {
413	+	public void realRun() throws Exception {
414	+	if (System.getSecurityManager() == null)
415	+	return;
416	+	try {
417	+	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
418	+	shouldThrow();
419	+	} catch (AccessControlException success) {}
420	+	}};
421	+
422	+	runWithoutPermissions(r);
423	+	}
424	+
425	+	/**
426	+	* With class loader permissions, calling
427	+	* privilegedCallableUsingCurrentClassLoader does not throw ACE
428	+	*/
429	+	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
430	+	Runnable r = new CheckedRunnable() {
431	+	public void realRun() throws Exception {
432	+	Executors.privilegedCallableUsingCurrentClassLoader
433	+	(new NoOpCallable())
434	+	.call();
435	+	}};
436	+
437	+	runWithPermissions(r,
438	+	new RuntimePermission("getClassLoader"),
439	+	new RuntimePermission("setContextClassLoader"));
440	+	}
441	+
442	+	/**
443	+	* Without permissions, calling privilegedCallable throws ACE
444	+	*/
445	+	public void testPrivilegedCallableWithNoPrivs() throws Exception {
446	+	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
447	+	Executors.privilegedCallable(new CheckCCL());
448	+
449	+	Runnable r = new CheckedRunnable() {
450	+	public void realRun() throws Exception {
451	+	if (System.getSecurityManager() == null)
452	+	return;
453	+	Callable task = Executors.privilegedCallable(new CheckCCL());
454	+	try {
455	+	task.call();
456	+	shouldThrow();
457	+	} catch (AccessControlException success) {}
458	+	}};
459	+
460	+	runWithoutPermissions(r);
461	+
462	+	// It seems rather difficult to test that the
463	+	// AccessControlContext of the privilegedCallable is used
464	+	// instead of its caller.  Below is a failed attempt to do
465	+	// that, which does not work because the AccessController
466	+	// cannot capture the internal state of the current Policy.
467	+	// It would be much more work to differentiate based on,
468	+	// e.g. CodeSource.
469	+
470	+	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
471	+	//         final Callable[] task = new Callable[1];
472	+
473	+	//         runWithPermissions
474	+	//             (new CheckedRunnable() {
475	+	//                 public void realRun() {
476	+	//                     if (System.getSecurityManager() == null)
477	+	//                         return;
478	+	//                     noprivAcc[0] = AccessController.getContext();
479	+	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
480	+	//                     try {
481	+	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
482	+	//                                                           public Void run() {
483	+	//                                                               checkCCL();
484	+	//                                                               return null;
485	+	//                                                           }}, noprivAcc[0]);
486	+	//                         shouldThrow();
487	+	//                     } catch (AccessControlException success) {}
488	+	//                 }});
489	+
490	+	//         runWithPermissions
491	+	//             (new CheckedRunnable() {
492	+	//                 public void realRun() throws Exception {
493	+	//                     if (System.getSecurityManager() == null)
494	+	//                         return;
495	+	//                     // Verify that we have an underprivileged ACC
496	+	//                     try {
497	+	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
498	+	//                                                           public Void run() {
499	+	//                                                               checkCCL();
500	+	//                                                               return null;
501	+	//                                                           }}, noprivAcc[0]);
502	+	//                         shouldThrow();
503	+	//                     } catch (AccessControlException success) {}
504	+
505	+	//                     try {
506	+	//                         task[0].call();
507	+	//                         shouldThrow();
508	+	//                     } catch (AccessControlException success) {}
509	+	//                 }},
510	+	//              new RuntimePermission("getClassLoader"),
511	+	//              new RuntimePermission("setContextClassLoader"));
512	+	}
513	+
514	+	/**
515	+	* With permissions, calling privilegedCallable succeeds
516	+	*/
517	+	public void testPrivilegedCallableWithPrivs() throws Exception {
518	+	Runnable r = new CheckedRunnable() {
519	+	public void realRun() throws Exception {
520	+	Executors.privilegedCallable(new CheckCCL()).call();
521	+	}};
522	+
523	+	runWithPermissions(r,
524	+	new RuntimePermission("getClassLoader"),
525	+	new RuntimePermission("setContextClassLoader"));
526	+	}
527	+
528	+	/**
529	+	* callable(Runnable) returns null when called
530	+	*/
531	+	public void testCallable1() throws Exception {
532	+	Callable c = Executors.callable(new NoOpRunnable());
533	+	assertNull(c.call());
534	+	}
535	+
536	+	/**
537	+	* callable(Runnable, result) returns result when called
538	+	*/
539	+	public void testCallable2() throws Exception {
540	+	Callable c = Executors.callable(new NoOpRunnable(), one);
541	+	assertSame(one, c.call());
542	+	}
543	+
544	+	/**
545	+	* callable(PrivilegedAction) returns its result when called
546	+	*/
547	+	public void testCallable3() throws Exception {
548	+	Callable c = Executors.callable(new PrivilegedAction() {
549	+	public Object run() { return one; }});
550	+	assertSame(one, c.call());
551	+	}
552	+
553	+	/**
554	+	* callable(PrivilegedExceptionAction) returns its result when called
555	+	*/
556	+	public void testCallable4() throws Exception {
557	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
558	+	public Object run() { return one; }});
559	+	assertSame(one, c.call());
560	+	}
561	+
562	+	/**
563	+	* callable(null Runnable) throws NPE
564	+	*/
565	+	public void testCallableNPE1() {
566	+	try {
567	+	Callable c = Executors.callable((Runnable) null);
568	+	shouldThrow();
569	+	} catch (NullPointerException success) {}
570	+	}
571	+
572	+	/**
573	+	* callable(null, result) throws NPE
574	+	*/
575	+	public void testCallableNPE2() {
576	+	try {
577	+	Callable c = Executors.callable((Runnable) null, one);
578	+	shouldThrow();
579	+	} catch (NullPointerException success) {}
580	+	}
581
582	+	/**
583	+	* callable(null PrivilegedAction) throws NPE
584	+	*/
585	+	public void testCallableNPE3() {
586	+	try {
587	+	Callable c = Executors.callable((PrivilegedAction) null);
588	+	shouldThrow();
589	+	} catch (NullPointerException success) {}
590	+	}
591	+
592	+	/**
593	+	* callable(null PrivilegedExceptionAction) throws NPE
594	+	*/
595	+	public void testCallableNPE4() {
596	+	try {
597	+	Callable c = Executors.callable((PrivilegedExceptionAction) null);
598	+	shouldThrow();
599	+	} catch (NullPointerException success) {}
600		}
601
602		}

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