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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 1.26 by jsr166, Sat Nov 21 02:33:20 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
10		import junit.framework.*;
11		import java.util.*;
12		import java.util.concurrent.*;
13	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
14		import java.math.BigInteger;
15	+	import java.security.*;
16
17	<	public class ExecutorsTest extends JSR166TestCase{
15	<
17	>	public class ExecutorsTest extends JSR166TestCase {
18		public static void main(String[] args) {
19	<	junit.textui.TestRunner.run (suite());
19	>	junit.textui.TestRunner.run (suite());
20		}
21		public static Test suite() {
22	<	return new TestSuite(ExecutorsTest.class);
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	<	}
22	>	return new TestSuite(ExecutorsTest.class);
23		}
24
25		static class TimedCallable<T> implements Callable<T> {
26	<	private final Executor exec;
26	>	private final ExecutorService exec;
27		private final Callable<T> func;
28		private final long msecs;
29	<
30	<	TimedCallable(Executor exec, Callable<T> func, long msecs) {
29	>
30	>	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
31		this.exec = exec;
32		this.func = func;
33		this.msecs = msecs;
34		}
35	<
35	>
36		public T call() throws Exception {
37	<	Future<T> ftask = Executors.execute(exec, func);
37	>	Future<T> ftask = exec.submit(func);
38		try {
39	<	return ftask.get(msecs, TimeUnit.MILLISECONDS);
39	>	return ftask.get(msecs, MILLISECONDS);
40		} finally {
41		ftask.cancel(true);
42		}
#	Line 79 | Line 62 | public class ExecutorsTest extends JSR16
62		}
63		};
64
65	<
65	>	/**
66	>	* A newCachedThreadPool can execute runnables
67	>	*/
68	>	public void testNewCachedThreadPool1() {
69	>	ExecutorService e = Executors.newCachedThreadPool();
70	>	e.execute(new NoOpRunnable());
71	>	e.execute(new NoOpRunnable());
72	>	e.execute(new NoOpRunnable());
73	>	joinPool(e);
74	>	}
75
76		/**
77	<	*   execute(Executor, Runnable) will throw
78	<	*  RejectedExecutionException Attempting to execute a runnable on
79	<	*  a full ThreadPool will cause such an exception here, up to 5
80	<	*  runnables are attempted on a pool capable on handling one
81	<	*  until it throws an exception
82	<	*/
83	<	public void testExecute1() {
84	<	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);
77	>	* A newCachedThreadPool with given ThreadFactory can execute runnables
78	>	*/
79	>	public void testNewCachedThreadPool2() {
80	>	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
81	>	e.execute(new NoOpRunnable());
82	>	e.execute(new NoOpRunnable());
83	>	e.execute(new NoOpRunnable());
84	>	joinPool(e);
85		}
86
87		/**
88	<	*   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
88	>	* A newCachedThreadPool with null ThreadFactory throws NPE
89		*/
90	<	public void testExecute2() {
111	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
90	>	public void testNewCachedThreadPool3() {
91		try {
92	<	for(int i = 0; i < 5; ++i) {
114	<	Executors.execute(p, new SmallCallable());
115	<	}
92	>	ExecutorService e = Executors.newCachedThreadPool(null);
93		shouldThrow();
94	<	} catch(RejectedExecutionException e){}
118	<	joinPool(p);
94	>	} catch (NullPointerException success) {}
95		}
96
97
98		/**
99	<	*   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
99	>	* A new SingleThreadExecutor can execute runnables
100		*/
101	<	public void testInvoke2() {
102	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
103	<	Thread t = new Thread(new Runnable() {
104	<	public void run() {
105	<	try {
106	<	Executors.invoke(p,new Runnable() {
107	<	public void run() {
108	<	try {
109	<	Thread.sleep(MEDIUM_DELAY_MS);
110	<	shouldThrow();
111	<	} catch(InterruptedException e){
112	<	}
113	<	}
114	<	});
115	<	} catch(InterruptedException success){
116	<	} catch(Exception e) {
117	<	unexpectedException();
118	<	}
119	<
120	<	}
121	<	});
101	>	public void testNewSingleThreadExecutor1() {
102	>	ExecutorService e = Executors.newSingleThreadExecutor();
103	>	e.execute(new NoOpRunnable());
104	>	e.execute(new NoOpRunnable());
105	>	e.execute(new NoOpRunnable());
106	>	joinPool(e);
107	>	}
108	>
109	>	/**
110	>	* A new SingleThreadExecutor with given ThreadFactory can execute runnables
111	>	*/
112	>	public void testNewSingleThreadExecutor2() {
113	>	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
114	>	e.execute(new NoOpRunnable());
115	>	e.execute(new NoOpRunnable());
116	>	e.execute(new NoOpRunnable());
117	>	joinPool(e);
118	>	}
119	>
120	>	/**
121	>	* A new SingleThreadExecutor with null ThreadFactory throws NPE
122	>	*/
123	>	public void testNewSingleThreadExecutor3() {
124		try {
125	<	t.start();
126	<	Thread.sleep(SHORT_DELAY_MS);
127	<	t.interrupt();
152	<	} catch(Exception e){
153	<	unexpectedException();
154	<	}
155	<	joinPool(p);
125	>	ExecutorService e = Executors.newSingleThreadExecutor(null);
126	>	shouldThrow();
127	>	} catch (NullPointerException success) {}
128		}
129
130		/**
131	<	*   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
131	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
132		*/
133	<	public void testInvoke3() {
134	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
133	>	public void testCastNewSingleThreadExecutor() {
134	>	ExecutorService e = Executors.newSingleThreadExecutor();
135		try {
136	<	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	<
136	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
137		shouldThrow();
138	<	} catch(ExecutionException success){
139	<	} catch(Exception e){
140	<	unexpectedException();
138	>	} catch (ClassCastException success) {
139	>	} finally {
140	>	joinPool(e);
141		}
182	–	joinPool(p);
142		}
143
144
186	–
145		/**
146	<	*   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
146	>	* A new newFixedThreadPool can execute runnables
147		*/
148	<	public void testInvoke5() {
149	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
150	<
151	<	final Callable c = new Callable() {
152	<	public Object call() {
153	<	try {
154	<	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	<	};
148	>	public void testNewFixedThreadPool1() {
149	>	ExecutorService e = Executors.newFixedThreadPool(2);
150	>	e.execute(new NoOpRunnable());
151	>	e.execute(new NoOpRunnable());
152	>	e.execute(new NoOpRunnable());
153	>	joinPool(e);
154	>	}
155
156	+	/**
157	+	* A new newFixedThreadPool with given ThreadFactory can execute runnables
158	+	*/
159	+	public void testNewFixedThreadPool2() {
160	+	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
161	+	e.execute(new NoOpRunnable());
162	+	e.execute(new NoOpRunnable());
163	+	e.execute(new NoOpRunnable());
164	+	joinPool(e);
165	+	}
166
167	<
168	<	Thread t = new Thread(new Runnable() {
169	<	public void run() {
170	<	try {
212	<	c.call();
213	<	} catch(Exception e){}
214	<	}
215	<	});
167	>	/**
168	>	* A new newFixedThreadPool with null ThreadFactory throws NPE
169	>	*/
170	>	public void testNewFixedThreadPool3() {
171		try {
172	<	t.start();
173	<	Thread.sleep(SHORT_DELAY_MS);
174	<	t.interrupt();
220	<	t.join();
221	<	} catch(InterruptedException e){
222	<	unexpectedException();
223	<	}
224	<
225	<	joinPool(p);
172	>	ExecutorService e = Executors.newFixedThreadPool(2, null);
173	>	shouldThrow();
174	>	} catch (NullPointerException success) {}
175		}
176
177		/**
178	<	*   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
178	>	* A new newFixedThreadPool with 0 threads throws IAE
179		*/
180	<	public void testInvoke6() {
234	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
235	<
180	>	public void testNewFixedThreadPool4() {
181		try {
182	<	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	<
182	>	ExecutorService e = Executors.newFixedThreadPool(0);
183		shouldThrow();
184	<	} catch(RejectedExecutionException e){}
250	<	catch(InterruptedException e2){}
251	<	catch(ExecutionException e3){}
252	<	joinPool(p);
184	>	} catch (IllegalArgumentException success) {}
185		}
186
187	+
188		/**
189	<	*
189	>	* An unconfigurable newFixedThreadPool can execute runnables
190		*/
191	<	public void testExecuteRunnable () {
192	<	try {
193	<	Executor e = new DirectExecutor();
194	<	MyTask task = new MyTask();
195	<	assertFalse(task.isCompleted());
196	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
264	<	String result = future.get();
265	<	assertTrue(task.isCompleted());
266	<	assertSame(TEST_STRING, result);
267	<	}
268	<	catch (ExecutionException ex) {
269	<	unexpectedException();
270	<	}
271	<	catch (InterruptedException ex) {
272	<	unexpectedException();
273	<	}
191	>	public void testunconfigurableExecutorService() {
192	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
193	>	e.execute(new NoOpRunnable());
194	>	e.execute(new NoOpRunnable());
195	>	e.execute(new NoOpRunnable());
196	>	joinPool(e);
197		}
198
199		/**
200	<	*
200	>	* unconfigurableExecutorService(null) throws NPE
201		*/
202	<	public void testInvokeRunnable () {
202	>	public void testunconfigurableExecutorServiceNPE() {
203		try {
204	<	Executor e = new DirectExecutor();
205	<	MyTask task = new MyTask();
206	<	assertFalse(task.isCompleted());
284	<	Executors.invoke(e, task);
285	<	assertTrue(task.isCompleted());
286	<	}
287	<	catch (ExecutionException ex) {
288	<	unexpectedException();
289	<	}
290	<	catch (InterruptedException ex) {
291	<	unexpectedException();
292	<	}
204	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
205	>	shouldThrow();
206	>	} catch (NullPointerException success) {}
207		}
208
209		/**
210	<	*
210	>	* unconfigurableScheduledExecutorService(null) throws NPE
211		*/
212	<	public void testExecuteCallable () {
212	>	public void testunconfigurableScheduledExecutorServiceNPE() {
213		try {
214	<	Executor e = new DirectExecutor();
215	<	Future<String> future = Executors.execute(e, new StringTask());
216	<	String result = future.get();
303	<	assertSame(TEST_STRING, result);
304	<	}
305	<	catch (ExecutionException ex) {
306	<	unexpectedException();
307	<	}
308	<	catch (InterruptedException ex) {
309	<	unexpectedException();
310	<	}
214	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
215	>	shouldThrow();
216	>	} catch (NullPointerException success) {}
217		}
218
219	+
220		/**
221	<	*
221	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
222		*/
223	<	public void testInvokeCallable () {
224	<	try {
225	<	Executor e = new DirectExecutor();
226	<	String result = Executors.invoke(e, new StringTask());
223	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
224	>	TrackedCallable callable = new TrackedCallable();
225	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
226	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
227	>	assertFalse(callable.done);
228	>	Thread.sleep(MEDIUM_DELAY_MS);
229	>	assertTrue(callable.done);
230	>	assertEquals(Boolean.TRUE, f.get());
231	>	joinPool(p1);
232	>	}
233
234	<	assertSame(TEST_STRING, result);
235	<	}
236	<	catch (ExecutionException ex) {
237	<	unexpectedException();
238	<	}
239	<	catch (InterruptedException ex) {
240	<	unexpectedException();
241	<	}
234	>	/**
235	>	* a newScheduledThreadPool successfully runs delayed task
236	>	*/
237	>	public void testnewScheduledThreadPool() throws Exception {
238	>	TrackedCallable callable = new TrackedCallable();
239	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
240	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
241	>	assertFalse(callable.done);
242	>	Thread.sleep(MEDIUM_DELAY_MS);
243	>	assertTrue(callable.done);
244	>	assertEquals(Boolean.TRUE, f.get());
245	>	joinPool(p1);
246	>	}
247	>
248	>	/**
249	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
250	>	*/
251	>	public void testunconfigurableScheduledExecutorService() throws Exception {
252	>	TrackedCallable callable = new TrackedCallable();
253	>	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
254	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
255	>	assertFalse(callable.done);
256	>	Thread.sleep(MEDIUM_DELAY_MS);
257	>	assertTrue(callable.done);
258	>	assertEquals(Boolean.TRUE, f.get());
259	>	joinPool(p1);
260		}
261
262		/**
263		*  timeouts from execute will time out if they compute too long.
264		*/
265	<	public void testTimedCallable() {
265	>	public void testTimedCallable() throws Exception {
266		int N = 10000;
267		ExecutorService executor = Executors.newSingleThreadExecutor();
268		List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
269		try {
270		long startTime = System.currentTimeMillis();
271	<
271	>
272		long i = 0;
273		while (tasks.size() < N) {
274		tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
275		i += 10;
276		}
277	<
277	>
278		int iters = 0;
279		BigInteger sum = BigInteger.ZERO;
280		for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
#	Line 355 | Line 286 | public class ExecutorsTest extends JSR16
286		assertTrue(iters > 0);
287		return;
288		}
358	–	catch (Exception e) {
359	–	unexpectedException();
360	–	}
289		}
290		// if by chance we didn't ever time out, total time must be small
291		long elapsed = System.currentTimeMillis() - startTime;
#	Line 368 | Line 296 | public class ExecutorsTest extends JSR16
296		}
297		}
298
299	<
299	>
300	>	/**
301	>	* ThreadPoolExecutor using defaultThreadFactory has
302	>	* specified group, priority, daemon status, and name
303	>	*/
304	>	public void testDefaultThreadFactory() throws Exception {
305	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
306	>	Runnable r = new Runnable() {
307	>	public void run() {
308	>	try {
309	>	Thread current = Thread.currentThread();
310	>	threadAssertTrue(!current.isDaemon());
311	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
312	>	ThreadGroup g = current.getThreadGroup();
313	>	SecurityManager s = System.getSecurityManager();
314	>	if (s != null)
315	>	threadAssertTrue(g == s.getThreadGroup());
316	>	else
317	>	threadAssertTrue(g == egroup);
318	>	String name = current.getName();
319	>	threadAssertTrue(name.endsWith("thread-1"));
320	>	} catch (SecurityException ok) {
321	>	// Also pass if not allowed to change setting
322	>	}
323	>	}
324	>	};
325	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
326	>
327	>	e.execute(r);
328	>	try {
329	>	e.shutdown();
330	>	} catch (SecurityException ok) {
331	>	}
332	>
333	>	try {
334	>	Thread.sleep(SHORT_DELAY_MS);
335	>	} finally {
336	>	joinPool(e);
337	>	}
338	>	}
339	>
340	>	/**
341	>	* ThreadPoolExecutor using privilegedThreadFactory has
342	>	* specified group, priority, daemon status, name,
343	>	* access control context and context class loader
344	>	*/
345	>	public void testPrivilegedThreadFactory() throws Exception {
346	>	Policy savedPolicy = null;
347	>	try {
348	>	savedPolicy = Policy.getPolicy();
349	>	AdjustablePolicy policy = new AdjustablePolicy();
350	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
351	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
352	>	Policy.setPolicy(policy);
353	>	} catch (AccessControlException ok) {
354	>	return;
355	>	}
356	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
357	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
358	>	final AccessControlContext thisacc = AccessController.getContext();
359	>	Runnable r = new Runnable() {
360	>	public void run() {
361	>	try {
362	>	Thread current = Thread.currentThread();
363	>	threadAssertTrue(!current.isDaemon());
364	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
365	>	ThreadGroup g = current.getThreadGroup();
366	>	SecurityManager s = System.getSecurityManager();
367	>	if (s != null)
368	>	threadAssertTrue(g == s.getThreadGroup());
369	>	else
370	>	threadAssertTrue(g == egroup);
371	>	String name = current.getName();
372	>	threadAssertTrue(name.endsWith("thread-1"));
373	>	threadAssertTrue(thisccl == current.getContextClassLoader());
374	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
375	>	} catch (SecurityException ok) {
376	>	// Also pass if not allowed to change settings
377	>	}
378	>	}
379	>	};
380	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
381	>
382	>	Policy.setPolicy(savedPolicy);
383	>	e.execute(r);
384	>	try {
385	>	e.shutdown();
386	>	} catch (SecurityException ok) {
387	>	}
388	>	try {
389	>	Thread.sleep(SHORT_DELAY_MS);
390	>	} finally {
391	>	joinPool(e);
392	>	}
393	>
394	>	}
395	>
396	>	void checkCCL() {
397	>	SecurityManager sm = System.getSecurityManager();
398	>	if (sm != null) {
399	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
400	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
401	>	}
402	>	}
403	>
404	>	class CheckCCL implements Callable<Object> {
405	>	public Object call() {
406	>	checkCCL();
407	>	return null;
408	>	}
409	>	}
410	>
411	>
412	>	/**
413	>	* Without class loader permissions, creating
414	>	* privilegedCallableUsingCurrentClassLoader throws ACE
415	>	*/
416	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
417	>	Policy savedPolicy = null;
418	>	try {
419	>	savedPolicy = Policy.getPolicy();
420	>	AdjustablePolicy policy = new AdjustablePolicy();
421	>	Policy.setPolicy(policy);
422	>	} catch (AccessControlException ok) {
423	>	return;
424	>	}
425	>
426	>	// Check if program still has too many permissions to run test
427	>	try {
428	>	checkCCL();
429	>	// too many privileges to test; so return
430	>	Policy.setPolicy(savedPolicy);
431	>	return;
432	>	} catch (AccessControlException ok) {
433	>	}
434	>
435	>	try {
436	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
437	>	shouldThrow();
438	>	} catch (AccessControlException success) {
439	>	} finally {
440	>	Policy.setPolicy(savedPolicy);
441	>	}
442	>	}
443	>
444	>	/**
445	>	* With class loader permissions, calling
446	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
447	>	*/
448	>	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
449	>	Policy savedPolicy = null;
450	>	try {
451	>	savedPolicy = Policy.getPolicy();
452	>	AdjustablePolicy policy = new AdjustablePolicy();
453	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
454	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
455	>	Policy.setPolicy(policy);
456	>	} catch (AccessControlException ok) {
457	>	return;
458	>	}
459	>
460	>	try {
461	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
462	>	task.call();
463	>	}
464	>	finally {
465	>	Policy.setPolicy(savedPolicy);
466	>	}
467	>	}
468	>
469	>	/**
470	>	* Without permissions, calling privilegedCallable throws ACE
471	>	*/
472	>	public void testprivilegedCallableWithNoPrivs() throws Exception {
473	>	Callable task;
474	>	Policy savedPolicy = null;
475	>	AdjustablePolicy policy = null;
476	>	AccessControlContext noprivAcc = null;
477	>	try {
478	>	savedPolicy = Policy.getPolicy();
479	>	policy = new AdjustablePolicy();
480	>	Policy.setPolicy(policy);
481	>	noprivAcc = AccessController.getContext();
482	>	task = Executors.privilegedCallable(new CheckCCL());
483	>	Policy.setPolicy(savedPolicy);
484	>	} catch (AccessControlException ok) {
485	>	return; // program has too few permissions to set up test
486	>	}
487	>
488	>	// Make sure that program doesn't have too many permissions
489	>	try {
490	>	AccessController.doPrivileged(new PrivilegedAction() {
491	>	public Object run() {
492	>	checkCCL();
493	>	return null;
494	>	}}, noprivAcc);
495	>	// too many permssions; skip test
496	>	return;
497	>	} catch (AccessControlException ok) {
498	>	}
499	>
500	>	try {
501	>	task.call();
502	>	shouldThrow();
503	>	} catch (AccessControlException success) {}
504	>	}
505	>
506	>	/**
507	>	* With permissions, calling privilegedCallable succeeds
508	>	*/
509	>	public void testprivilegedCallableWithPrivs() throws Exception {
510	>	Policy savedPolicy = null;
511	>	try {
512	>	savedPolicy = Policy.getPolicy();
513	>	AdjustablePolicy policy = new AdjustablePolicy();
514	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
515	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
516	>	Policy.setPolicy(policy);
517	>	} catch (AccessControlException ok) {
518	>	return;
519	>	}
520	>
521	>	Callable task = Executors.privilegedCallable(new CheckCCL());
522	>	try {
523	>	task.call();
524	>	} finally {
525	>	Policy.setPolicy(savedPolicy);
526	>	}
527	>	}
528	>
529	>	/**
530	>	* callable(Runnable) returns null when called
531	>	*/
532	>	public void testCallable1() throws Exception {
533	>	Callable c = Executors.callable(new NoOpRunnable());
534	>	assertNull(c.call());
535	>	}
536	>
537	>	/**
538	>	* callable(Runnable, result) returns result when called
539	>	*/
540	>	public void testCallable2() throws Exception {
541	>	Callable c = Executors.callable(new NoOpRunnable(), one);
542	>	assertEquals(one, c.call());
543	>	}
544	>
545	>	/**
546	>	* callable(PrivilegedAction) returns its result when called
547	>	*/
548	>	public void testCallable3() throws Exception {
549	>	Callable c = Executors.callable(new PrivilegedAction() {
550	>	public Object run() { return one; }});
551	>	assertEquals(one, c.call());
552	>	}
553	>
554	>	/**
555	>	* callable(PrivilegedExceptionAction) returns its result when called
556	>	*/
557	>	public void testCallable4() throws Exception {
558	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
559	>	public Object run() { return one; }});
560	>	assertEquals(one, c.call());
561	>	}
562	>
563	>
564	>	/**
565	>	* callable(null Runnable) throws NPE
566	>	*/
567	>	public void testCallableNPE1() {
568	>	try {
569	>	Callable c = Executors.callable((Runnable) null);
570	>	shouldThrow();
571	>	} catch (NullPointerException success) {}
572	>	}
573	>
574	>	/**
575	>	* callable(null, result) throws NPE
576	>	*/
577	>	public void testCallableNPE2() {
578	>	try {
579	>	Callable c = Executors.callable((Runnable) null, one);
580	>	shouldThrow();
581	>	} catch (NullPointerException success) {}
582	>	}
583	>
584	>	/**
585	>	* callable(null PrivilegedAction) throws NPE
586	>	*/
587	>	public void testCallableNPE3() {
588	>	try {
589	>	Callable c = Executors.callable((PrivilegedAction) null);
590	>	shouldThrow();
591	>	} catch (NullPointerException success) {}
592	>	}
593	>
594	>	/**
595	>	* callable(null PrivilegedExceptionAction) throws NPE
596	>	*/
597	>	public void testCallableNPE4() {
598	>	try {
599	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
600	>	shouldThrow();
601	>	} catch (NullPointerException success) {}
602	>	}
603
604
605		}

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