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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.9 by tim, Tue Dec 9 19:09:24 2003 UTC vs.
Revision 1.13 by dl, Mon Jan 19 15:49:02 2004 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
#	Line 20 | Line 21 | public class ExecutorsTest extends JSR16
21		return new TestSuite(ExecutorsTest.class);
22		}
23
23	–	private static final String TEST_STRING = "a test string";
24	–
25	–	private static class StringTask implements Callable<String> {
26	–	public String call() { return TEST_STRING; }
27	–	}
28	–
29	–	static class DirectExecutor implements Executor {
30	–	public void execute(Runnable r) {
31	–	r.run();
32	–	}
33	–	}
34	–
24		static class TimedCallable<T> implements Callable<T> {
25	<	private final Executor exec;
25	>	private final ExecutorService exec;
26		private final Callable<T> func;
27		private final long msecs;
28
29	<	TimedCallable(Executor exec, Callable<T> func, long msecs) {
29	>	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
30		this.exec = exec;
31		this.func = func;
32		this.msecs = msecs;
33		}
34
35		public T call() throws Exception {
36	<	Future<T> ftask = Executors.execute(exec, func);
36	>	Future<T> ftask = exec.submit(func);
37		try {
38		return ftask.get(msecs, TimeUnit.MILLISECONDS);
39		} finally {
#	Line 142 | Line 131 | public class ExecutorsTest extends JSR16
131		}
132
133		/**
134	+	* A new SingleThreadExecutor cannot be casted to concrete implementation
135	+	*/
136	+	public void testCastNewSingleThreadExecutor() {
137	+	ExecutorService e = Executors.newSingleThreadExecutor();
138	+	try {
139	+	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
140	+	} catch (ClassCastException success) {
141	+	} finally {
142	+	joinPool(e);
143	+	}
144	+	}
145	+
146	+
147	+	/**
148		* A new newFixedThreadPool can execute runnables
149		*/
150		public void testNewFixedThreadPool1() {
#	Line 187 | Line 190 | public class ExecutorsTest extends JSR16
190		}
191		}
192
190	–	/**
191	–	* execute of runnable runs it to completion
192	–	*/
193	–	public void testExecuteRunnable() {
194	–	try {
195	–	Executor e = new DirectExecutor();
196	–	TrackedShortRunnable task = new TrackedShortRunnable();
197	–	assertFalse(task.done);
198	–	Future<?> future = Executors.execute(e, task);
199	–	future.get();
200	–	assertTrue(task.done);
201	–	}
202	–	catch (ExecutionException ex) {
203	–	unexpectedException();
204	–	}
205	–	catch (InterruptedException ex) {
206	–	unexpectedException();
207	–	}
208	–	}
209	–
210	–	/**
211	–	* invoke of a runnable runs it to completion
212	–	*/
213	–	public void testInvokeRunnable() {
214	–	try {
215	–	Executor e = new DirectExecutor();
216	–	TrackedShortRunnable task = new TrackedShortRunnable();
217	–	assertFalse(task.done);
218	–	Executors.invoke(e, task);
219	–	assertTrue(task.done);
220	–	}
221	–	catch (ExecutionException ex) {
222	–	unexpectedException();
223	–	}
224	–	catch (InterruptedException ex) {
225	–	unexpectedException();
226	–	}
227	–	}
228	–
229	–	/**
230	–	* execute of a callable runs it to completion
231	–	*/
232	–	public void testExecuteCallable() {
233	–	try {
234	–	Executor e = new DirectExecutor();
235	–	Future<String> future = Executors.execute(e, new StringTask());
236	–	String result = future.get();
237	–	assertSame(TEST_STRING, result);
238	–	}
239	–	catch (ExecutionException ex) {
240	–	unexpectedException();
241	–	}
242	–	catch (InterruptedException ex) {
243	–	unexpectedException();
244	–	}
245	–	}
246	–
247	–
248	–	/**
249	–	* execute of a privileged action runs it to completion
250	–	*/
251	–	public void testExecutePrivilegedAction() {
252	–	Policy savedPolicy = Policy.getPolicy();
253	–	AdjustablePolicy policy = new AdjustablePolicy();
254	–	policy.addPermission(new RuntimePermission("getContextClassLoader"));
255	–	policy.addPermission(new RuntimePermission("setContextClassLoader"));
256	–	Policy.setPolicy(policy);
257	–	try {
258	–	Executor e = new DirectExecutor();
259	–	Future future = Executors.execute(e, new PrivilegedAction() {
260	–	public Object run() {
261	–	return TEST_STRING;
262	–	}});
263	–
264	–	Object result = future.get();
265	–	assertSame(TEST_STRING, result);
266	–	}
267	–	catch (ExecutionException ex) {
268	–	unexpectedException();
269	–	}
270	–	catch (InterruptedException ex) {
271	–	unexpectedException();
272	–	}
273	–	finally {
274	–	Policy.setPolicy(savedPolicy);
275	–	}
276	–	}
277	–
278	–	/**
279	–	* execute of a privileged exception action runs it to completion
280	–	*/
281	–	public void testExecutePrivilegedExceptionAction() {
282	–	Policy savedPolicy = Policy.getPolicy();
283	–	AdjustablePolicy policy = new AdjustablePolicy();
284	–	policy.addPermission(new RuntimePermission("getContextClassLoader"));
285	–	policy.addPermission(new RuntimePermission("setContextClassLoader"));
286	–	Policy.setPolicy(policy);
287	–	try {
288	–	Executor e = new DirectExecutor();
289	–	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
290	–	public Object run() {
291	–	return TEST_STRING;
292	–	}});
293	–
294	–	Object result = future.get();
295	–	assertSame(TEST_STRING, result);
296	–	}
297	–	catch (ExecutionException ex) {
298	–	unexpectedException();
299	–	}
300	–	catch (InterruptedException ex) {
301	–	unexpectedException();
302	–	}
303	–	finally {
304	–	Policy.setPolicy(savedPolicy);
305	–	}
306	–	}
307	–
308	–	/**
309	–	* execute of a failed privileged exception action reports exception
310	–	*/
311	–	public void testExecuteFailedPrivilegedExceptionAction() {
312	–	Policy savedPolicy = Policy.getPolicy();
313	–	AdjustablePolicy policy = new AdjustablePolicy();
314	–	policy.addPermission(new RuntimePermission("getContextClassLoader"));
315	–	policy.addPermission(new RuntimePermission("setContextClassLoader"));
316	–	Policy.setPolicy(policy);
317	–	try {
318	–	Executor e = new DirectExecutor();
319	–	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
320	–	public Object run() throws Exception {
321	–	throw new IndexOutOfBoundsException();
322	–	}});
323	–
324	–	Object result = future.get();
325	–	shouldThrow();
326	–	}
327	–	catch (ExecutionException success) {
328	–	}
329	–	catch (InterruptedException ex) {
330	–	unexpectedException();
331	–	}
332	–	finally {
333	–	Policy.setPolicy(savedPolicy);
334	–	}
335	–	}
193
194		/**
195	<	* invoke of a collable runs it to completion
195	>	* An unconfigurable newFixedThreadPool can execute runnables
196		*/
197	<	public void testInvokeCallable() {
198	<	try {
199	<	Executor e = new DirectExecutor();
200	<	String result = Executors.invoke(e, new StringTask());
201	<
202	<	assertSame(TEST_STRING, result);
346	<	}
347	<	catch (ExecutionException ex) {
348	<	unexpectedException();
349	<	}
350	<	catch (InterruptedException ex) {
351	<	unexpectedException();
352	<	}
353	<	}
354	<
355	<	/**
356	<	* execute with null executor throws NPE
357	<	*/
358	<	public void testNullExecuteRunnable() {
359	<	try {
360	<	TrackedShortRunnable task = new TrackedShortRunnable();
361	<	assertFalse(task.done);
362	<	Future<?> future = Executors.execute(null, task);
363	<	shouldThrow();
364	<	}
365	<	catch (NullPointerException success) {
366	<	}
367	<	catch (Exception ex) {
368	<	unexpectedException();
369	<	}
370	<	}
371	<
372	<	/**
373	<	* execute with a null runnable throws NPE
374	<	*/
375	<	public void testExecuteNullRunnable() {
376	<	try {
377	<	Executor e = new DirectExecutor();
378	<	TrackedShortRunnable task = null;
379	<	Future<?> future = Executors.execute(e, task);
380	<	shouldThrow();
381	<	}
382	<	catch (NullPointerException success) {
383	<	}
384	<	catch (Exception ex) {
385	<	unexpectedException();
386	<	}
387	<	}
388	<
389	<	/**
390	<	* invoke of a null runnable throws NPE
391	<	*/
392	<	public void testInvokeNullRunnable() {
393	<	try {
394	<	Executor e = new DirectExecutor();
395	<	TrackedShortRunnable task = null;
396	<	Executors.invoke(e, task);
397	<	shouldThrow();
398	<	}
399	<	catch (NullPointerException success) {
400	<	}
401	<	catch (Exception ex) {
402	<	unexpectedException();
403	<	}
197	>	public void testunconfigurableExecutorService() {
198	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
199	>	e.execute(new NoOpRunnable());
200	>	e.execute(new NoOpRunnable());
201	>	e.execute(new NoOpRunnable());
202	>	e.shutdown();
203		}
204
205		/**
206	<	* execute of a null callable throws NPE
206	>	* unconfigurableExecutorService(null) throws NPE
207		*/
208	<	public void testExecuteNullCallable() {
208	>	public void testunconfigurableExecutorServiceNPE() {
209		try {
210	<	Executor e = new DirectExecutor();
412	<	StringTask t = null;
413	<	Future<String> future = Executors.execute(e, t);
414	<	shouldThrow();
210	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
211		}
212		catch (NullPointerException success) {
213		}
418	–	catch (Exception ex) {
419	–	unexpectedException();
420	–	}
214		}
215
216		/**
217	<	* invoke of a null callable throws NPE
217	>	* unconfigurableScheduledExecutorService(null) throws NPE
218		*/
219	<	public void testInvokeNullCallable() {
219	>	public void testunconfigurableScheduledExecutorServiceNPE() {
220		try {
221	<	Executor e = new DirectExecutor();
429	<	StringTask t = null;
430	<	String result = Executors.invoke(e, t);
431	<	shouldThrow();
221	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
222		}
223		catch (NullPointerException success) {
224		}
435	–	catch (Exception ex) {
436	–	unexpectedException();
437	–	}
438	–	}
439	–
440	–	/**
441	–	*  execute(Executor, Runnable) throws RejectedExecutionException
442	–	*  if saturated.
443	–	*/
444	–	public void testExecute1() {
445	–	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
446	–	try {
447	–
448	–	for(int i = 0; i < 5; ++i){
449	–	Executors.execute(p, new MediumRunnable());
450	–	}
451	–	shouldThrow();
452	–	} catch(RejectedExecutionException success){}
453	–	joinPool(p);
454	–	}
455	–
456	–	/**
457	–	*  execute(Executor, Callable)throws RejectedExecutionException
458	–	*  if saturated.
459	–	*/
460	–	public void testExecute2() {
461	–	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
462	–	try {
463	–	for(int i = 0; i < 5; ++i) {
464	–	Executors.execute(p, new SmallCallable());
465	–	}
466	–	shouldThrow();
467	–	} catch(RejectedExecutionException e){}
468	–	joinPool(p);
225		}
226
227
228		/**
229	<	*  invoke(Executor, Runnable) throws InterruptedException if
474	<	*  caller interrupted.
229	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
230		*/
231	<	public void testInterruptedInvoke() {
232	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
233	<	Thread t = new Thread(new Runnable() {
234	<	public void run() {
235	<	try {
236	<	Executors.invoke(p,new Runnable() {
237	<	public void run() {
238	<	try {
239	<	Thread.sleep(MEDIUM_DELAY_MS);
240	<	shouldThrow();
241	<	} catch(InterruptedException e){
242	<	}
243	<	}
244	<	});
490	<	} catch(InterruptedException success){
491	<	} catch(Exception e) {
492	<	unexpectedException();
493	<	}
494	<
495	<	}
496	<	});
497	<	try {
498	<	t.start();
499	<	Thread.sleep(SHORT_DELAY_MS);
500	<	t.interrupt();
501	<	} catch(Exception e){
231	>	public void testNewSingleThreadScheduledExecutor() {
232	>	try {
233	>	TrackedCallable callable = new TrackedCallable();
234	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
235	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
236	>	assertFalse(callable.done);
237	>	Thread.sleep(MEDIUM_DELAY_MS);
238	>	assertTrue(callable.done);
239	>	assertEquals(Boolean.TRUE, f.get());
240	>	p1.shutdown();
241	>	joinPool(p1);
242	>	} catch(RejectedExecutionException e){}
243	>	catch(Exception e){
244	>	e.printStackTrace();
245		unexpectedException();
246		}
504	–	joinPool(p);
247		}
248
249		/**
250	<	*  invoke(Executor, Runnable) throws ExecutionException if
251	<	*  runnable throws exception.
252	<	*/
253	<	public void testInvoke3() {
254	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
255	<	try {
256	<	Runnable r = new Runnable() {
257	<	public void run() {
258	<	int i = 5/0;
259	<	}
260	<	};
261	<
262	<	for(int i =0; i < 5; i++){
263	<	Executors.invoke(p,r);
264	<	}
265	<
524	<	shouldThrow();
525	<	} catch(ExecutionException success){
526	<	} catch(Exception e){
250	>	* a newScheduledThreadPool successfully runs delayed task
251	>	*/
252	>	public void testnewScheduledThreadPool() {
253	>	try {
254	>	TrackedCallable callable = new TrackedCallable();
255	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
256	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
257	>	assertFalse(callable.done);
258	>	Thread.sleep(MEDIUM_DELAY_MS);
259	>	assertTrue(callable.done);
260	>	assertEquals(Boolean.TRUE, f.get());
261	>	p1.shutdown();
262	>	joinPool(p1);
263	>	} catch(RejectedExecutionException e){}
264	>	catch(Exception e){
265	>	e.printStackTrace();
266		unexpectedException();
267		}
529	–	joinPool(p);
268		}
269
532	–
533	–
270		/**
271	<	*  invoke(Executor, Callable) throws InterruptedException if
272	<	*  callable throws exception
273	<	*/
274	<	public void testInvoke5() {
275	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
276	<
277	<	final Callable c = new Callable() {
278	<	public Object call() {
279	<	try {
280	<	Executors.invoke(p, new SmallCallable());
281	<	shouldThrow();
282	<	} catch(InterruptedException e){}
283	<	catch(RejectedExecutionException e2){}
284	<	catch(ExecutionException e3){}
285	<	return Boolean.TRUE;
286	<	}
551	<	};
552	<
553	<
554	<
555	<	Thread t = new Thread(new Runnable() {
556	<	public void run() {
557	<	try {
558	<	c.call();
559	<	} catch(Exception e){}
560	<	}
561	<	});
562	<	try {
563	<	t.start();
564	<	Thread.sleep(SHORT_DELAY_MS);
565	<	t.interrupt();
566	<	t.join();
567	<	} catch(InterruptedException e){
271	>	* an unconfigurable  newScheduledThreadPool successfully runs delayed task
272	>	*/
273	>	public void testunconfigurableScheduledExecutorService() {
274	>	try {
275	>	TrackedCallable callable = new TrackedCallable();
276	>	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
277	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
278	>	assertFalse(callable.done);
279	>	Thread.sleep(MEDIUM_DELAY_MS);
280	>	assertTrue(callable.done);
281	>	assertEquals(Boolean.TRUE, f.get());
282	>	p1.shutdown();
283	>	joinPool(p1);
284	>	} catch(RejectedExecutionException e){}
285	>	catch(Exception e){
286	>	e.printStackTrace();
287		unexpectedException();
288		}
570	–
571	–	joinPool(p);
289		}
290
291		/**
575	–	*  invoke(Executor, Callable) will throw ExecutionException
576	–	*  if callable throws exception
577	–	*/
578	–	public void testInvoke6() {
579	–	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
580	–
581	–	try {
582	–	Callable c = new Callable() {
583	–	public Object call() {
584	–	int i = 5/0;
585	–	return Boolean.TRUE;
586	–	}
587	–	};
588	–
589	–	for(int i =0; i < 5; i++){
590	–	Executors.invoke(p,c);
591	–	}
592	–
593	–	shouldThrow();
594	–	}
595	–	catch(ExecutionException success){
596	–	} catch(Exception e) {
597	–	unexpectedException();
598	–	}
599	–	joinPool(p);
600	–	}
601	–
602	–
603	–
604	–	/**
292		*  timeouts from execute will time out if they compute too long.
293		*/
294		public void testTimedCallable() {
#	Line 650 | Line 337 | public class ExecutorsTest extends JSR16
337		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
338		Runnable r = new Runnable() {
339		public void run() {
340	<	Thread current = Thread.currentThread();
341	<	threadAssertTrue(!current.isDaemon());
342	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
343	<	ThreadGroup g = current.getThreadGroup();
344	<	SecurityManager s = System.getSecurityManager();
345	<	if (s != null)
346	<	threadAssertTrue(g == s.getThreadGroup());
347	<	else
348	<	threadAssertTrue(g == egroup);
349	<	String name = current.getName();
350	<	threadAssertTrue(name.endsWith("thread-1"));
340	>	try {
341	>	Thread current = Thread.currentThread();
342	>	threadAssertTrue(!current.isDaemon());
343	>	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
344	>	ThreadGroup g = current.getThreadGroup();
345	>	SecurityManager s = System.getSecurityManager();
346	>	if (s != null)
347	>	threadAssertTrue(g == s.getThreadGroup());
348	>	else
349	>	threadAssertTrue(g == egroup);
350	>	String name = current.getName();
351	>	threadAssertTrue(name.endsWith("thread-1"));
352	>	} catch (SecurityException ok) {
353	>	// Also pass if not allowed to change setting
354	>	}
355		}
356		};
357		ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
#	Line 692 | Line 383 | public class ExecutorsTest extends JSR16
383		final AccessControlContext thisacc = AccessController.getContext();
384		Runnable r = new Runnable() {
385		public void run() {
386	<	Thread current = Thread.currentThread();
387	<	threadAssertTrue(!current.isDaemon());
388	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
389	<	ThreadGroup g = current.getThreadGroup();
390	<	SecurityManager s = System.getSecurityManager();
391	<	if (s != null)
392	<	threadAssertTrue(g == s.getThreadGroup());
393	<	else
394	<	threadAssertTrue(g == egroup);
395	<	String name = current.getName();
396	<	threadAssertTrue(name.endsWith("thread-1"));
397	<	threadAssertTrue(thisccl == current.getContextClassLoader());
398	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
399	<	}
386	>	try {
387	>	Thread current = Thread.currentThread();
388	>	threadAssertTrue(!current.isDaemon());
389	>	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
390	>	ThreadGroup g = current.getThreadGroup();
391	>	SecurityManager s = System.getSecurityManager();
392	>	if (s != null)
393	>	threadAssertTrue(g == s.getThreadGroup());
394	>	else
395	>	threadAssertTrue(g == egroup);
396	>	String name = current.getName();
397	>	threadAssertTrue(name.endsWith("thread-1"));
398	>	threadAssertTrue(thisccl == current.getContextClassLoader());
399	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
400	>	} catch(SecurityException ok) {
401	>	// Also pass if not allowed to change settings
402	>	}
403		};
404		ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
405
#	Line 722 | Line 416 | public class ExecutorsTest extends JSR16
416
417		}
418
419	+	static class CheckCCL implements Callable<Object> {
420	+	public Object call() {
421	+	AccessControlContext acc = AccessController.getContext();
422	+	acc.checkPermission(new RuntimePermission("getContextClassLoader"));
423	+	return null;
424	+	}
425	+	}
426	+
427	+
428	+	/**
429	+	* Without class loader permissions, creating
430	+	* privilegedCallableUsingCurrentClassLoader throws ACE
431	+	*/
432	+	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
433	+	Policy savedPolicy = Policy.getPolicy();
434	+	AdjustablePolicy policy = new AdjustablePolicy();
435	+	Policy.setPolicy(policy);
436	+	try {
437	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
438	+	shouldThrow();
439	+	} catch(AccessControlException success) {
440	+	} catch(Exception ex) {
441	+	unexpectedException();
442	+	}
443	+	finally {
444	+	Policy.setPolicy(savedPolicy);
445	+	}
446	+	}
447	+
448	+	/**
449	+	* Without class loader permissions, calling
450	+	* privilegedCallableUsingCurrentClassLoader throws ACE
451	+	*/
452	+	public void testprivilegedCallableUsingCCLWithPrivs() {
453	+	Policy savedPolicy = Policy.getPolicy();
454	+	AdjustablePolicy policy = new AdjustablePolicy();
455	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
456	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
457	+	Policy.setPolicy(policy);
458	+	try {
459	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
460	+	task.call();
461	+	} catch(Exception ex) {
462	+	unexpectedException();
463	+	}
464	+	finally {
465	+	Policy.setPolicy(savedPolicy);
466	+	}
467	+	}
468	+
469	+	/**
470	+	* Without permissions, calling privilegedCallable throws ACE
471	+	*/
472	+	public void testprivilegedCallableWithNoPrivs() {
473	+	Policy savedPolicy = Policy.getPolicy();
474	+	AdjustablePolicy policy = new AdjustablePolicy();
475	+	Policy.setPolicy(policy);
476	+	Callable task = Executors.privilegedCallable(new CheckCCL());
477	+	Policy.setPolicy(savedPolicy);
478	+	try {
479	+	task.call();
480	+	shouldThrow();
481	+	} catch(AccessControlException success) {
482	+	} catch(Exception ex) {
483	+	unexpectedException();
484	+	} finally {
485	+	}
486	+	}
487	+
488	+	/**
489	+	* With permissions, calling privilegedCallable succeeds
490	+	*/
491	+	public void testprivilegedCallableWithPrivs() {
492	+	Policy savedPolicy = Policy.getPolicy();
493	+	AdjustablePolicy policy = new AdjustablePolicy();
494	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
495	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
496	+	Policy.setPolicy(policy);
497	+	Callable task = Executors.privilegedCallable(new CheckCCL());
498	+	try {
499	+	task.call();
500	+	} catch(Exception ex) {
501	+	unexpectedException();
502	+	} finally {
503	+	Policy.setPolicy(savedPolicy);
504	+	}
505	+	}
506	+
507	+	/**
508	+	* callable(Runnable) returns null when called
509	+	*/
510	+	public void testCallable1() {
511	+	try {
512	+	Callable c = Executors.callable(new NoOpRunnable());
513	+	assertNull(c.call());
514	+	} catch(Exception ex) {
515	+	unexpectedException();
516	+	}
517	+
518	+	}
519	+
520	+	/**
521	+	* callable(Runnable, result) returns result when called
522	+	*/
523	+	public void testCallable2() {
524	+	try {
525	+	Callable c = Executors.callable(new NoOpRunnable(), one);
526	+	assertEquals(one, c.call());
527	+	} catch(Exception ex) {
528	+	unexpectedException();
529	+	}
530	+	}
531	+
532	+	/**
533	+	* callable(PrivilegedAction) returns its result when called
534	+	*/
535	+	public void testCallable3() {
536	+	try {
537	+	Callable c = Executors.callable(new PrivilegedAction() {
538	+	public Object run() { return one; }});
539	+	assertEquals(one, c.call());
540	+	} catch(Exception ex) {
541	+	unexpectedException();
542	+	}
543	+	}
544	+
545	+	/**
546	+	* callable(PrivilegedExceptionAction) returns its result when called
547	+	*/
548	+	public void testCallable4() {
549	+	try {
550	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
551	+	public Object run() { return one; }});
552	+	assertEquals(one, c.call());
553	+	} catch(Exception ex) {
554	+	unexpectedException();
555	+	}
556	+	}
557	+
558	+
559	+	/**
560	+	* callable(null Runnable) throws NPE
561	+	*/
562	+	public void testCallableNPE1() {
563	+	try {
564	+	Runnable r = null;
565	+	Callable c = Executors.callable(r);
566	+	} catch (NullPointerException success) {
567	+	}
568	+	}
569	+
570	+	/**
571	+	* callable(null, result) throws NPE
572	+	*/
573	+	public void testCallableNPE2() {
574	+	try {
575	+	Runnable r = null;
576	+	Callable c = Executors.callable(r, one);
577	+	} catch (NullPointerException success) {
578	+	}
579	+	}
580	+
581	+	/**
582	+	* callable(null PrivilegedAction) throws NPE
583	+	*/
584	+	public void testCallableNPE3() {
585	+	try {
586	+	PrivilegedAction r = null;
587	+	Callable c = Executors.callable(r);
588	+	} catch (NullPointerException success) {
589	+	}
590	+	}
591	+
592	+	/**
593	+	* callable(null PrivilegedExceptionAction) throws NPE
594	+	*/
595	+	public void testCallableNPE4() {
596	+	try {
597	+	PrivilegedExceptionAction r = null;
598	+	Callable c = Executors.callable(r);
599	+	} catch (NullPointerException success) {
600	+	}
601	+	}
602	+
603	+
604		}

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