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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 18:20:07 2003 UTC vs.
Revision 1.21 by jsr166, Mon Nov 16 04:57:10 2009 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 10 | Line 11 | import junit.framework.*;
11		import java.util.*;
12		import java.util.concurrent.*;
13		import java.math.BigInteger;
14	+	import java.security.*;
15
16		public class ExecutorsTest extends JSR166TestCase{
15	–
17		public static void main(String[] args) {
18	<	junit.textui.TestRunner.run (suite());
18	>	junit.textui.TestRunner.run (suite());
19		}
20		public static Test suite() {
21	<	return new TestSuite(ExecutorsTest.class);
21	<	}
22	<
23	<	private static final String TEST_STRING = "a test string";
24	<
25	<	private static class MyTask implements Runnable {
26	<	public void run() { completed = true; }
27	<	public boolean isCompleted() { return completed; }
28	<	public void reset() { completed = false; }
29	<	private boolean completed = false;
30	<	}
31	<
32	<	private static class StringTask implements Callable<String> {
33	<	public String call() { return TEST_STRING; }
34	<	}
35	<
36	<	static class DirectExecutor implements Executor {
37	<	public void execute(Runnable r) {
38	<	r.run();
39	<	}
21	>	return new TestSuite(ExecutorsTest.class);
22		}
23
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) {
28	>
29	>	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
30		this.exec = exec;
31		this.func = func;
32		this.msecs = msecs;
33		}
34	<
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 79 | Line 61 | public class ExecutorsTest extends JSR16
61		}
62		};
63
64	<
64	>	/**
65	>	* A newCachedThreadPool can execute runnables
66	>	*/
67	>	public void testNewCachedThreadPool1() {
68	>	ExecutorService e = Executors.newCachedThreadPool();
69	>	e.execute(new NoOpRunnable());
70	>	e.execute(new NoOpRunnable());
71	>	e.execute(new NoOpRunnable());
72	>	joinPool(e);
73	>	}
74
75		/**
76	<	*   execute(Executor, Runnable) will throw
77	<	*  RejectedExecutionException Attempting to execute a runnable on
78	<	*  a full ThreadPool will cause such an exception here, up to 5
79	<	*  runnables are attempted on a pool capable on handling one
80	<	*  until it throws an exception
81	<	*/
82	<	public void testExecute1() {
83	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
93	<	try {
94	<
95	<	for(int i = 0; i < 5; ++i){
96	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
97	<	}
98	<	shouldThrow();
99	<	} catch(RejectedExecutionException success){}
100	<	joinPool(p);
76	>	* A newCachedThreadPool with given ThreadFactory can execute runnables
77	>	*/
78	>	public void testNewCachedThreadPool2() {
79	>	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
80	>	e.execute(new NoOpRunnable());
81	>	e.execute(new NoOpRunnable());
82	>	e.execute(new NoOpRunnable());
83	>	joinPool(e);
84		}
85
86		/**
87	<	*   execute(Executor, Callable) will throw
105	<	*  RejectedExecutionException Attempting to execute a callable on
106	<	*  a full ThreadPool will cause such an exception here, up to 5
107	<	*  runnables are attempted on a pool capable on handling one
108	<	*  until it throws an exception
87	>	* A newCachedThreadPool with null ThreadFactory throws NPE
88		*/
89	<	public void testExecute2() {
111	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
89	>	public void testNewCachedThreadPool3() {
90		try {
91	<	for(int i = 0; i < 5; ++i) {
114	<	Executors.execute(p, new SmallCallable());
115	<	}
91	>	ExecutorService e = Executors.newCachedThreadPool(null);
92		shouldThrow();
93	<	} catch(RejectedExecutionException e){}
94	<	joinPool(p);
93	>	}
94	>	catch (NullPointerException success) {
95	>	}
96		}
97
98
99		/**
100	<	*   invoke(Executor, Runnable) throws InterruptedException
124	<	*  A single use of invoke starts that will wait long enough
125	<	*  for the invoking thread to be interrupted
100	>	* A new SingleThreadExecutor can execute runnables
101		*/
102	<	public void testInvoke2() {
103	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
104	<	Thread t = new Thread(new Runnable() {
105	<	public void run() {
106	<	try {
107	<	Executors.invoke(p,new Runnable() {
133	<	public void run() {
134	<	try {
135	<	Thread.sleep(MEDIUM_DELAY_MS);
136	<	shouldThrow();
137	<	} catch(InterruptedException e){
138	<	}
139	<	}
140	<	});
141	<	} catch(InterruptedException success){
142	<	} catch(Exception e) {
143	<	unexpectedException();
144	<	}
145	<
146	<	}
147	<	});
148	<	try {
149	<	t.start();
150	<	Thread.sleep(SHORT_DELAY_MS);
151	<	t.interrupt();
152	<	} catch(Exception e){
153	<	unexpectedException();
154	<	}
155	<	joinPool(p);
102	>	public void testNewSingleThreadExecutor1() {
103	>	ExecutorService e = Executors.newSingleThreadExecutor();
104	>	e.execute(new NoOpRunnable());
105	>	e.execute(new NoOpRunnable());
106	>	e.execute(new NoOpRunnable());
107	>	joinPool(e);
108		}
109
110		/**
111	<	*   invoke(Executor, Runnable) will throw
160	<	*  ExecutionException An ExecutionException occurs when the
161	<	*  underlying Runnable throws an exception, here the
162	<	*  DivideByZeroException will cause an ExecutionException
111	>	* A new SingleThreadExecutor with given ThreadFactory can execute runnables
112		*/
113	<	public void testInvoke3() {
114	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
113	>	public void testNewSingleThreadExecutor2() {
114	>	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
115	>	e.execute(new NoOpRunnable());
116	>	e.execute(new NoOpRunnable());
117	>	e.execute(new NoOpRunnable());
118	>	joinPool(e);
119	>	}
120	>
121	>	/**
122	>	* A new SingleThreadExecutor with null ThreadFactory throws NPE
123	>	*/
124	>	public void testNewSingleThreadExecutor3() {
125		try {
126	<	Runnable r = new Runnable() {
168	<	public void run() {
169	<	int i = 5/0;
170	<	}
171	<	};
172	<
173	<	for(int i =0; i < 5; i++){
174	<	Executors.invoke(p,r);
175	<	}
176	<
126	>	ExecutorService e = Executors.newSingleThreadExecutor(null);
127		shouldThrow();
178	–	} catch(ExecutionException success){
179	–	} catch(Exception e){
180	–	unexpectedException();
128		}
129	<	joinPool(p);
129	>	catch (NullPointerException success) {
130	>	}
131		}
132
185	–
186	–
133		/**
134	<	*   invoke(Executor, Callable) throws
189	<	*  InterruptedException A single use of invoke starts that will
190	<	*  wait long enough for the invoking thread to be interrupted
134	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
135		*/
136	<	public void testInvoke5() {
137	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
194	<
195	<	final Callable c = new Callable() {
196	<	public Object call() {
197	<	try {
198	<	Executors.invoke(p, new SmallCallable());
199	<	shouldThrow();
200	<	} catch(InterruptedException e){}
201	<	catch(RejectedExecutionException e2){}
202	<	catch(ExecutionException e3){}
203	<	return Boolean.TRUE;
204	<	}
205	<	};
206	<
207	<
208	<
209	<	Thread t = new Thread(new Runnable() {
210	<	public void run() {
211	<	try {
212	<	c.call();
213	<	} catch(Exception e){}
214	<	}
215	<	});
136	>	public void testCastNewSingleThreadExecutor() {
137	>	ExecutorService e = Executors.newSingleThreadExecutor();
138		try {
139	<	t.start();
140	<	Thread.sleep(SHORT_DELAY_MS);
141	<	t.interrupt();
142	<	t.join();
221	<	} catch(InterruptedException e){
222	<	unexpectedException();
139	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
140	>	} catch (ClassCastException success) {
141	>	} finally {
142	>	joinPool(e);
143		}
224	–
225	–	joinPool(p);
144		}
145
146	+
147		/**
148	<	*   invoke(Executor, Callable) will throw ExecutionException
230	<	*  An ExecutionException occurs when the underlying Runnable throws
231	<	*  an exception, here the DivideByZeroException will cause an ExecutionException
148	>	* A new newFixedThreadPool can execute runnables
149		*/
150	<	public void testInvoke6() {
151	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
150	>	public void testNewFixedThreadPool1() {
151	>	ExecutorService e = Executors.newFixedThreadPool(2);
152	>	e.execute(new NoOpRunnable());
153	>	e.execute(new NoOpRunnable());
154	>	e.execute(new NoOpRunnable());
155	>	joinPool(e);
156	>	}
157
158	+	/**
159	+	* A new newFixedThreadPool with given ThreadFactory can execute runnables
160	+	*/
161	+	public void testNewFixedThreadPool2() {
162	+	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
163	+	e.execute(new NoOpRunnable());
164	+	e.execute(new NoOpRunnable());
165	+	e.execute(new NoOpRunnable());
166	+	joinPool(e);
167	+	}
168	+
169	+	/**
170	+	* A new newFixedThreadPool with null ThreadFactory throws NPE
171	+	*/
172	+	public void testNewFixedThreadPool3() {
173		try {
174	<	Callable c = new Callable() {
238	<	public Object call() {
239	<	int i = 5/0;
240	<	return Boolean.TRUE;
241	<	}
242	<	};
243	<
244	<	for(int i =0; i < 5; i++){
245	<	Executors.invoke(p,c);
246	<	}
247	<
174	>	ExecutorService e = Executors.newFixedThreadPool(2, null);
175		shouldThrow();
176	<	} catch(RejectedExecutionException e){}
177	<	catch(InterruptedException e2){}
178	<	catch(ExecutionException e3){}
252	<	joinPool(p);
176	>	}
177	>	catch (NullPointerException success) {
178	>	}
179		}
180
181		/**
182	<	*
182	>	* A new newFixedThreadPool with 0 threads throws IAE
183		*/
184	<	public void testExecuteRunnable () {
184	>	public void testNewFixedThreadPool4() {
185		try {
186	<	Executor e = new DirectExecutor();
187	<	MyTask task = new MyTask();
262	<	assertFalse(task.isCompleted());
263	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
264	<	String result = future.get();
265	<	assertTrue(task.isCompleted());
266	<	assertSame(TEST_STRING, result);
186	>	ExecutorService e = Executors.newFixedThreadPool(0);
187	>	shouldThrow();
188		}
189	<	catch (ExecutionException ex) {
269	<	unexpectedException();
270	<	}
271	<	catch (InterruptedException ex) {
272	<	unexpectedException();
189	>	catch (IllegalArgumentException success) {
190		}
191		}
192
193	+
194		/**
195	<	*
195	>	* An unconfigurable newFixedThreadPool can execute runnables
196		*/
197	<	public void testInvokeRunnable () {
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	>	joinPool(e);
203	>	}
204	>
205	>	/**
206	>	* unconfigurableExecutorService(null) throws NPE
207	>	*/
208	>	public void testunconfigurableExecutorServiceNPE() {
209		try {
210	<	Executor e = new DirectExecutor();
282	<	MyTask task = new MyTask();
283	<	assertFalse(task.isCompleted());
284	<	Executors.invoke(e, task);
285	<	assertTrue(task.isCompleted());
286	<	}
287	<	catch (ExecutionException ex) {
288	<	unexpectedException();
210	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
211		}
212	<	catch (InterruptedException ex) {
291	<	unexpectedException();
212	>	catch (NullPointerException success) {
213		}
214		}
215
216		/**
217	<	*
217	>	* unconfigurableScheduledExecutorService(null) throws NPE
218		*/
219	<	public void testExecuteCallable () {
219	>	public void testunconfigurableScheduledExecutorServiceNPE() {
220		try {
221	<	Executor e = new DirectExecutor();
301	<	Future<String> future = Executors.execute(e, new StringTask());
302	<	String result = future.get();
303	<	assertSame(TEST_STRING, result);
221	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
222		}
223	<	catch (ExecutionException ex) {
306	<	unexpectedException();
223	>	catch (NullPointerException success) {
224		}
225	<	catch (InterruptedException ex) {
225	>	}
226	>
227	>
228	>	/**
229	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
230	>	*/
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	>	joinPool(p1);
241	>	} catch (RejectedExecutionException e){}
242	>	catch (Exception e){
243	>	e.printStackTrace();
244		unexpectedException();
245		}
246		}
247
248		/**
249	<	*
249	>	* a newScheduledThreadPool successfully runs delayed task
250		*/
251	<	public void testInvokeCallable () {
252	<	try {
253	<	Executor e = new DirectExecutor();
254	<	String result = Executors.invoke(e, new StringTask());
255	<
256	<	assertSame(TEST_STRING, result);
257	<	}
258	<	catch (ExecutionException ex) {
251	>	public void testnewScheduledThreadPool() {
252	>	try {
253	>	TrackedCallable callable = new TrackedCallable();
254	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
255	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
256	>	assertFalse(callable.done);
257	>	Thread.sleep(MEDIUM_DELAY_MS);
258	>	assertTrue(callable.done);
259	>	assertEquals(Boolean.TRUE, f.get());
260	>	joinPool(p1);
261	>	} catch (RejectedExecutionException e){}
262	>	catch (Exception e){
263	>	e.printStackTrace();
264		unexpectedException();
265		}
266	<	catch (InterruptedException ex) {
266	>	}
267	>
268	>	/**
269	>	* an unconfigurable  newScheduledThreadPool successfully runs delayed task
270	>	*/
271	>	public void testunconfigurableScheduledExecutorService() {
272	>	try {
273	>	TrackedCallable callable = new TrackedCallable();
274	>	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
275	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
276	>	assertFalse(callable.done);
277	>	Thread.sleep(MEDIUM_DELAY_MS);
278	>	assertTrue(callable.done);
279	>	assertEquals(Boolean.TRUE, f.get());
280	>	joinPool(p1);
281	>	} catch (RejectedExecutionException e){}
282	>	catch (Exception e){
283	>	e.printStackTrace();
284		unexpectedException();
285		}
286		}
#	Line 337 | Line 294 | public class ExecutorsTest extends JSR16
294		List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
295		try {
296		long startTime = System.currentTimeMillis();
297	<
297	>
298		long i = 0;
299		while (tasks.size() < N) {
300		tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
301		i += 10;
302		}
303	<
303	>
304		int iters = 0;
305		BigInteger sum = BigInteger.ZERO;
306		for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
#	Line 368 | Line 325 | public class ExecutorsTest extends JSR16
325		}
326		}
327
328	<
328	>
329	>	/**
330	>	* ThreadPoolExecutor using defaultThreadFactory has
331	>	* specified group, priority, daemon status, and name
332	>	*/
333	>	public void testDefaultThreadFactory() {
334	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
335	>	Runnable r = new Runnable() {
336	>	public void run() {
337	>	try {
338	>	Thread current = Thread.currentThread();
339	>	threadAssertTrue(!current.isDaemon());
340	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
341	>	ThreadGroup g = current.getThreadGroup();
342	>	SecurityManager s = System.getSecurityManager();
343	>	if (s != null)
344	>	threadAssertTrue(g == s.getThreadGroup());
345	>	else
346	>	threadAssertTrue(g == egroup);
347	>	String name = current.getName();
348	>	threadAssertTrue(name.endsWith("thread-1"));
349	>	} catch (SecurityException ok) {
350	>	// Also pass if not allowed to change setting
351	>	}
352	>	}
353	>	};
354	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
355	>
356	>	e.execute(r);
357	>	try {
358	>	e.shutdown();
359	>	} catch (SecurityException ok) {
360	>	}
361	>
362	>	try {
363	>	Thread.sleep(SHORT_DELAY_MS);
364	>	} catch (Exception eX) {
365	>	unexpectedException();
366	>	} finally {
367	>	joinPool(e);
368	>	}
369	>	}
370	>
371	>	/**
372	>	* ThreadPoolExecutor using privilegedThreadFactory has
373	>	* specified group, priority, daemon status, name,
374	>	* access control context and context class loader
375	>	*/
376	>	public void testPrivilegedThreadFactory() {
377	>	Policy savedPolicy = null;
378	>	try {
379	>	savedPolicy = Policy.getPolicy();
380	>	AdjustablePolicy policy = new AdjustablePolicy();
381	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
382	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
383	>	Policy.setPolicy(policy);
384	>	} catch (AccessControlException ok) {
385	>	return;
386	>	}
387	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
388	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
389	>	final AccessControlContext thisacc = AccessController.getContext();
390	>	Runnable r = new Runnable() {
391	>	public void run() {
392	>	try {
393	>	Thread current = Thread.currentThread();
394	>	threadAssertTrue(!current.isDaemon());
395	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
396	>	ThreadGroup g = current.getThreadGroup();
397	>	SecurityManager s = System.getSecurityManager();
398	>	if (s != null)
399	>	threadAssertTrue(g == s.getThreadGroup());
400	>	else
401	>	threadAssertTrue(g == egroup);
402	>	String name = current.getName();
403	>	threadAssertTrue(name.endsWith("thread-1"));
404	>	threadAssertTrue(thisccl == current.getContextClassLoader());
405	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
406	>	} catch (SecurityException ok) {
407	>	// Also pass if not allowed to change settings
408	>	}
409	>	}
410	>	};
411	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
412	>
413	>	Policy.setPolicy(savedPolicy);
414	>	e.execute(r);
415	>	try {
416	>	e.shutdown();
417	>	} catch (SecurityException ok) {
418	>	}
419	>	try {
420	>	Thread.sleep(SHORT_DELAY_MS);
421	>	} catch (Exception ex) {
422	>	unexpectedException();
423	>	} finally {
424	>	joinPool(e);
425	>	}
426	>
427	>	}
428	>
429	>	void checkCCL() {
430	>	SecurityManager sm = System.getSecurityManager();
431	>	if (sm != null) {
432	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
433	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
434	>	}
435	>	}
436	>
437	>	class CheckCCL implements Callable<Object> {
438	>	public Object call() {
439	>	checkCCL();
440	>	return null;
441	>	}
442	>	}
443	>
444	>
445	>	/**
446	>	* Without class loader permissions, creating
447	>	* privilegedCallableUsingCurrentClassLoader throws ACE
448	>	*/
449	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
450	>	Policy savedPolicy = null;
451	>	try {
452	>	savedPolicy = Policy.getPolicy();
453	>	AdjustablePolicy policy = new AdjustablePolicy();
454	>	Policy.setPolicy(policy);
455	>	} catch (AccessControlException ok) {
456	>	return;
457	>	}
458	>
459	>	// Check if program still has too many permissions to run test
460	>	try {
461	>	checkCCL();
462	>	// too many privileges to test; so return
463	>	Policy.setPolicy(savedPolicy);
464	>	return;
465	>	} catch (AccessControlException ok) {
466	>	}
467	>
468	>	try {
469	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
470	>	shouldThrow();
471	>	} catch (AccessControlException success) {
472	>	} catch (Exception ex) {
473	>	unexpectedException();
474	>	}
475	>	finally {
476	>	Policy.setPolicy(savedPolicy);
477	>	}
478	>	}
479	>
480	>	/**
481	>	* With class loader permissions, calling
482	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
483	>	*/
484	>	public void testprivilegedCallableUsingCCLWithPrivs() {
485	>	Policy savedPolicy = null;
486	>	try {
487	>	savedPolicy = Policy.getPolicy();
488	>	AdjustablePolicy policy = new AdjustablePolicy();
489	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
490	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
491	>	Policy.setPolicy(policy);
492	>	} catch (AccessControlException ok) {
493	>	return;
494	>	}
495	>
496	>	try {
497	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
498	>	task.call();
499	>	} catch (Exception ex) {
500	>	unexpectedException();
501	>	}
502	>	finally {
503	>	Policy.setPolicy(savedPolicy);
504	>	}
505	>	}
506	>
507	>	/**
508	>	* Without permissions, calling privilegedCallable throws ACE
509	>	*/
510	>	public void testprivilegedCallableWithNoPrivs() {
511	>	Callable task;
512	>	Policy savedPolicy = null;
513	>	AdjustablePolicy policy = null;
514	>	AccessControlContext noprivAcc = null;
515	>	try {
516	>	savedPolicy = Policy.getPolicy();
517	>	policy = new AdjustablePolicy();
518	>	Policy.setPolicy(policy);
519	>	noprivAcc = AccessController.getContext();
520	>	task = Executors.privilegedCallable(new CheckCCL());
521	>	Policy.setPolicy(savedPolicy);
522	>	} catch (AccessControlException ok) {
523	>	return; // program has too few permissions to set up test
524	>	}
525	>
526	>	// Make sure that program doesn't have too many permissions
527	>	try {
528	>	AccessController.doPrivileged(new PrivilegedAction() {
529	>	public Object run() {
530	>	checkCCL();
531	>	return null;
532	>	}}, noprivAcc);
533	>	// too many permssions; skip test
534	>	return;
535	>	} catch (AccessControlException ok) {
536	>	}
537	>
538	>	try {
539	>	task.call();
540	>	shouldThrow();
541	>	} catch (AccessControlException success) {
542	>	} catch (Exception ex) {
543	>	unexpectedException();
544	>	}
545	>	}
546	>
547	>	/**
548	>	* With permissions, calling privilegedCallable succeeds
549	>	*/
550	>	public void testprivilegedCallableWithPrivs() {
551	>	Policy savedPolicy = null;
552	>	try {
553	>	savedPolicy = Policy.getPolicy();
554	>	AdjustablePolicy policy = new AdjustablePolicy();
555	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
556	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
557	>	Policy.setPolicy(policy);
558	>	} catch (AccessControlException ok) {
559	>	return;
560	>	}
561	>
562	>	Callable task = Executors.privilegedCallable(new CheckCCL());
563	>	try {
564	>	task.call();
565	>	} catch (Exception ex) {
566	>	unexpectedException();
567	>	} finally {
568	>	Policy.setPolicy(savedPolicy);
569	>	}
570	>	}
571	>
572	>	/**
573	>	* callable(Runnable) returns null when called
574	>	*/
575	>	public void testCallable1() {
576	>	try {
577	>	Callable c = Executors.callable(new NoOpRunnable());
578	>	assertNull(c.call());
579	>	} catch (Exception ex) {
580	>	unexpectedException();
581	>	}
582	>
583	>	}
584	>
585	>	/**
586	>	* callable(Runnable, result) returns result when called
587	>	*/
588	>	public void testCallable2() {
589	>	try {
590	>	Callable c = Executors.callable(new NoOpRunnable(), one);
591	>	assertEquals(one, c.call());
592	>	} catch (Exception ex) {
593	>	unexpectedException();
594	>	}
595	>	}
596	>
597	>	/**
598	>	* callable(PrivilegedAction) returns its result when called
599	>	*/
600	>	public void testCallable3() {
601	>	try {
602	>	Callable c = Executors.callable(new PrivilegedAction() {
603	>	public Object run() { return one; }});
604	>	assertEquals(one, c.call());
605	>	} catch (Exception ex) {
606	>	unexpectedException();
607	>	}
608	>	}
609	>
610	>	/**
611	>	* callable(PrivilegedExceptionAction) returns its result when called
612	>	*/
613	>	public void testCallable4() {
614	>	try {
615	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
616	>	public Object run() { return one; }});
617	>	assertEquals(one, c.call());
618	>	} catch (Exception ex) {
619	>	unexpectedException();
620	>	}
621	>	}
622	>
623	>
624	>	/**
625	>	* callable(null Runnable) throws NPE
626	>	*/
627	>	public void testCallableNPE1() {
628	>	try {
629	>	Runnable r = null;
630	>	Callable c = Executors.callable(r);
631	>	} catch (NullPointerException success) {
632	>	}
633	>	}
634	>
635	>	/**
636	>	* callable(null, result) throws NPE
637	>	*/
638	>	public void testCallableNPE2() {
639	>	try {
640	>	Runnable r = null;
641	>	Callable c = Executors.callable(r, one);
642	>	} catch (NullPointerException success) {
643	>	}
644	>	}
645	>
646	>	/**
647	>	* callable(null PrivilegedAction) throws NPE
648	>	*/
649	>	public void testCallableNPE3() {
650	>	try {
651	>	PrivilegedAction r = null;
652	>	Callable c = Executors.callable(r);
653	>	} catch (NullPointerException success) {
654	>	}
655	>	}
656	>
657	>	/**
658	>	* callable(null PrivilegedExceptionAction) throws NPE
659	>	*/
660	>	public void testCallableNPE4() {
661	>	try {
662	>	PrivilegedExceptionAction r = null;
663	>	Callable c = Executors.callable(r);
664	>	} catch (NullPointerException success) {
665	>	}
666	>	}
667
668
669		}

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