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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.7 by dl, Sun Oct 5 23:00:40 2003 UTC vs.
Revision 1.41 by jsr166, Sun May 29 06:54:23 2011 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
8	–
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	<	import java.math.BigInteger;
12	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	>	import java.security.*;
14
15	<	public class ExecutorsTest extends JSR166TestCase{
15	>	public class ExecutorsTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(ExecutorsTest.class);
20	<	}
21	<
22	<	private static final String TEST_STRING = "a test string";
23	<
24	<	private static class StringTask implements Callable<String> {
25	<	public String call() { return TEST_STRING; }
26	<	}
27	<
28	<	static class DirectExecutor implements Executor {
29	<	public void execute(Runnable r) {
30	<	r.run();
31	<	}
20	>	return new TestSuite(ExecutorsTest.class);
21		}
22
34	–	static class TimedCallable<T> implements Callable<T> {
35	–	private final Executor exec;
36	–	private final Callable<T> func;
37	–	private final long msecs;
38	–
39	–	TimedCallable(Executor exec, Callable<T> func, long msecs) {
40	–	this.exec = exec;
41	–	this.func = func;
42	–	this.msecs = msecs;
43	–	}
44	–
45	–	public T call() throws Exception {
46	–	Future<T> ftask = Executors.execute(exec, func);
47	–	try {
48	–	return ftask.get(msecs, TimeUnit.MILLISECONDS);
49	–	} finally {
50	–	ftask.cancel(true);
51	–	}
52	–	}
53	–	}
54	–
55	–
56	–	private static class Fib implements Callable<BigInteger> {
57	–	private final BigInteger n;
58	–	Fib(long n) {
59	–	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
60	–	this.n = BigInteger.valueOf(n);
61	–	}
62	–	public BigInteger call() {
63	–	BigInteger f1 = BigInteger.ONE;
64	–	BigInteger f2 = f1;
65	–	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
66	–	BigInteger t = f1.add(f2);
67	–	f1 = f2;
68	–	f2 = t;
69	–	}
70	–	return f1;
71	–	}
72	–	};
73	–
23		/**
24		* A newCachedThreadPool can execute runnables
25		*/
#	Line 79 | Line 28 | public class ExecutorsTest extends JSR16
28		e.execute(new NoOpRunnable());
29		e.execute(new NoOpRunnable());
30		e.execute(new NoOpRunnable());
31	<	e.shutdown();
31	>	joinPool(e);
32		}
33
34		/**
#	Line 90 | Line 39 | public class ExecutorsTest extends JSR16
39		e.execute(new NoOpRunnable());
40		e.execute(new NoOpRunnable());
41		e.execute(new NoOpRunnable());
42	<	e.shutdown();
42	>	joinPool(e);
43		}
44
45		/**
#	Line 100 | Line 49 | public class ExecutorsTest extends JSR16
49		try {
50		ExecutorService e = Executors.newCachedThreadPool(null);
51		shouldThrow();
52	<	}
104	<	catch(NullPointerException success) {
105	<	}
52	>	} catch (NullPointerException success) {}
53		}
54
108	–
55		/**
56		* A new SingleThreadExecutor can execute runnables
57		*/
#	Line 114 | Line 60 | public class ExecutorsTest extends JSR16
60		e.execute(new NoOpRunnable());
61		e.execute(new NoOpRunnable());
62		e.execute(new NoOpRunnable());
63	<	e.shutdown();
63	>	joinPool(e);
64		}
65
66		/**
#	Line 125 | Line 71 | public class ExecutorsTest extends JSR16
71		e.execute(new NoOpRunnable());
72		e.execute(new NoOpRunnable());
73		e.execute(new NoOpRunnable());
74	<	e.shutdown();
74	>	joinPool(e);
75		}
76
77		/**
#	Line 135 | Line 81 | public class ExecutorsTest extends JSR16
81		try {
82		ExecutorService e = Executors.newSingleThreadExecutor(null);
83		shouldThrow();
84	<	}
85	<	catch(NullPointerException success) {
84	>	} catch (NullPointerException success) {}
85	>	}
86	>
87	>	/**
88	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
89	>	*/
90	>	public void testCastNewSingleThreadExecutor() {
91	>	ExecutorService e = Executors.newSingleThreadExecutor();
92	>	try {
93	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
94	>	shouldThrow();
95	>	} catch (ClassCastException success) {
96	>	} finally {
97	>	joinPool(e);
98		}
99		}
100
#	Line 148 | Line 106 | public class ExecutorsTest extends JSR16
106		e.execute(new NoOpRunnable());
107		e.execute(new NoOpRunnable());
108		e.execute(new NoOpRunnable());
109	<	e.shutdown();
109	>	joinPool(e);
110		}
111
112		/**
#	Line 159 | Line 117 | public class ExecutorsTest extends JSR16
117		e.execute(new NoOpRunnable());
118		e.execute(new NoOpRunnable());
119		e.execute(new NoOpRunnable());
120	<	e.shutdown();
120	>	joinPool(e);
121		}
122
123		/**
#	Line 169 | Line 127 | public class ExecutorsTest extends JSR16
127		try {
128		ExecutorService e = Executors.newFixedThreadPool(2, null);
129		shouldThrow();
130	<	}
173	<	catch(NullPointerException success) {
174	<	}
130	>	} catch (NullPointerException success) {}
131		}
132
133		/**
#	Line 181 | Line 137 | public class ExecutorsTest extends JSR16
137		try {
138		ExecutorService e = Executors.newFixedThreadPool(0);
139		shouldThrow();
140	<	}
185	<	catch(IllegalArgumentException success) {
186	<	}
140	>	} catch (IllegalArgumentException success) {}
141		}
142
143		/**
144	<	* execute of runnable runs it to completion
144	>	* An unconfigurable newFixedThreadPool can execute runnables
145		*/
146	<	public void testExecuteRunnable() {
147	<	try {
148	<	Executor e = new DirectExecutor();
149	<	TrackedShortRunnable task = new TrackedShortRunnable();
150	<	assertFalse(task.done);
151	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
198	<	String result = future.get();
199	<	assertTrue(task.done);
200	<	assertSame(TEST_STRING, result);
201	<	}
202	<	catch (ExecutionException ex) {
203	<	unexpectedException();
204	<	}
205	<	catch (InterruptedException ex) {
206	<	unexpectedException();
207	<	}
146	>	public void testunconfigurableExecutorService() {
147	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
148	>	e.execute(new NoOpRunnable());
149	>	e.execute(new NoOpRunnable());
150	>	e.execute(new NoOpRunnable());
151	>	joinPool(e);
152		}
153
154		/**
155	<	* invoke of a runnable runs it to completion
155	>	* unconfigurableExecutorService(null) throws NPE
156		*/
157	<	public void testInvokeRunnable() {
157	>	public void testunconfigurableExecutorServiceNPE() {
158		try {
159	<	Executor e = new DirectExecutor();
160	<	TrackedShortRunnable task = new TrackedShortRunnable();
161	<	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	<	}
159	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
160	>	shouldThrow();
161	>	} catch (NullPointerException success) {}
162		}
163
164		/**
165	<	* execute of a callable runs it to completion
165	>	* unconfigurableScheduledExecutorService(null) throws NPE
166		*/
167	<	public void testExecuteCallable() {
167	>	public void testunconfigurableScheduledExecutorServiceNPE() {
168		try {
169	<	Executor e = new DirectExecutor();
170	<	Future<String> future = Executors.execute(e, new StringTask());
171	<	String result = future.get();
237	<	assertSame(TEST_STRING, result);
238	<	}
239	<	catch (ExecutionException ex) {
240	<	unexpectedException();
241	<	}
242	<	catch (InterruptedException ex) {
243	<	unexpectedException();
244	<	}
169	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
170	>	shouldThrow();
171	>	} catch (NullPointerException success) {}
172		}
173
174		/**
175	<	* invoke of a collable runs it to completion
175	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
176		*/
177	<	public void testInvokeCallable() {
177	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
178	>	ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
179		try {
180	<	Executor e = new DirectExecutor();
181	<	String result = Executors.invoke(e, new StringTask());
182	<
183	<	assertSame(TEST_STRING, result);
184	<	}
185	<	catch (ExecutionException ex) {
186	<	unexpectedException();
187	<	}
188	<	catch (InterruptedException ex) {
189	<	unexpectedException();
180	>	final CountDownLatch done = new CountDownLatch(1);
181	>	final Runnable task = new CheckedRunnable() {
182	>	public void realRun() {
183	>	done.countDown();
184	>	}};
185	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
186	>	SHORT_DELAY_MS, MILLISECONDS);
187	>	assertFalse(f.isDone());
188	>	assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS));
189	>	assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS));
190	>	assertSame(Boolean.TRUE, f.get());
191	>	assertTrue(f.isDone());
192	>	} finally {
193	>	joinPool(p);
194		}
195		}
196
197		/**
198	<	* execute with null executor throws NPE
198	>	* a newScheduledThreadPool successfully runs delayed task
199		*/
200	<	public void testNullExecuteRunnable() {
200	>	public void testnewScheduledThreadPool() throws Exception {
201	>	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
202		try {
203	<	TrackedShortRunnable task = new TrackedShortRunnable();
204	<	assertFalse(task.done);
205	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
206	<	shouldThrow();
207	<	}
208	<	catch (NullPointerException success) {
209	<	}
210	<	catch (Exception ex) {
211	<	unexpectedException();
203	>	final CountDownLatch done = new CountDownLatch(1);
204	>	final Runnable task = new CheckedRunnable() {
205	>	public void realRun() {
206	>	done.countDown();
207	>	}};
208	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
209	>	SHORT_DELAY_MS, MILLISECONDS);
210	>	assertFalse(f.isDone());
211	>	assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS));
212	>	assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS));
213	>	assertSame(Boolean.TRUE, f.get());
214	>	assertTrue(f.isDone());
215	>	} finally {
216	>	joinPool(p);
217		}
218		}
219
220		/**
221	<	* execute with a null runnable throws NPE
221	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
222		*/
223	<	public void testExecuteNullRunnable() {
223	>	public void testunconfigurableScheduledExecutorService() throws Exception {
224	>	ScheduledExecutorService p =
225	>	Executors.unconfigurableScheduledExecutorService
226	>	(Executors.newScheduledThreadPool(2));
227		try {
228	<	Executor e = new DirectExecutor();
229	<	TrackedShortRunnable task = null;
230	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
231	<	shouldThrow();
232	<	}
233	<	catch (NullPointerException success) {
234	<	}
235	<	catch (Exception ex) {
236	<	unexpectedException();
228	>	final CountDownLatch done = new CountDownLatch(1);
229	>	final Runnable task = new CheckedRunnable() {
230	>	public void realRun() {
231	>	done.countDown();
232	>	}};
233	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
234	>	SHORT_DELAY_MS, MILLISECONDS);
235	>	assertFalse(f.isDone());
236	>	assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS));
237	>	assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS));
238	>	assertSame(Boolean.TRUE, f.get());
239	>	assertTrue(f.isDone());
240	>	} finally {
241	>	joinPool(p);
242		}
243		}
244
245		/**
246	<	* invoke of a null runnable throws NPE
246	>	* Future.get on submitted tasks will time out if they compute too long.
247		*/
248	<	public void testInvokeNullRunnable() {
249	<	try {
250	<	Executor e = new DirectExecutor();
251	<	TrackedShortRunnable task = null;
252	<	Executors.invoke(e, task);
253	<	shouldThrow();
254	<	}
255	<	catch (NullPointerException success) {
256	<	}
257	<	catch (Exception ex) {
258	<	unexpectedException();
248	>	public void testTimedCallable() throws Exception {
249	>	final ExecutorService[] executors = {
250	>	Executors.newSingleThreadExecutor(),
251	>	Executors.newCachedThreadPool(),
252	>	Executors.newFixedThreadPool(2),
253	>	Executors.newScheduledThreadPool(2),
254	>	};
255	>
256	>	final Runnable sleeper = new CheckedInterruptedRunnable() {
257	>	public void realRun() throws InterruptedException {
258	>	delay(LONG_DELAY_MS);
259	>	}};
260	>
261	>	List<Thread> threads = new ArrayList<Thread>();
262	>	for (final ExecutorService executor : executors) {
263	>	threads.add(newStartedThread(new CheckedRunnable() {
264	>	public void realRun() {
265	>	long startTime = System.nanoTime();
266	>	Future future = executor.submit(sleeper);
267	>	assertFutureTimesOut(future);
268	>	}}));
269		}
270	+	for (Thread thread : threads)
271	+	awaitTermination(thread);
272	+	for (ExecutorService executor : executors)
273	+	joinPool(executor);
274		}
275
276		/**
277	<	* execute of a null callable throws NPE
277	>	* ThreadPoolExecutor using defaultThreadFactory has
278	>	* specified group, priority, daemon status, and name
279		*/
280	<	public void testExecuteNullCallable() {
280	>	public void testDefaultThreadFactory() throws Exception {
281	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
282	>	Runnable r = new CheckedRunnable() {
283	>	public void realRun() {
284	>	try {
285	>	Thread current = Thread.currentThread();
286	>	assertTrue(!current.isDaemon());
287	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
288	>	ThreadGroup g = current.getThreadGroup();
289	>	SecurityManager s = System.getSecurityManager();
290	>	if (s != null)
291	>	assertTrue(g == s.getThreadGroup());
292	>	else
293	>	assertTrue(g == egroup);
294	>	String name = current.getName();
295	>	assertTrue(name.endsWith("thread-1"));
296	>	} catch (SecurityException ok) {
297	>	// Also pass if not allowed to change setting
298	>	}
299	>	}};
300	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
301	>
302	>	e.execute(r);
303		try {
304	<	Executor e = new DirectExecutor();
305	<	StringTask t = null;
323	<	Future<String> future = Executors.execute(e, t);
324	<	shouldThrow();
325	<	}
326	<	catch (NullPointerException success) {
304	>	e.shutdown();
305	>	} catch (SecurityException ok) {
306		}
307	<	catch (Exception ex) {
308	<	unexpectedException();
307	>
308	>	try {
309	>	delay(SHORT_DELAY_MS);
310	>	} finally {
311	>	joinPool(e);
312		}
313		}
314
315		/**
316	<	* invoke of a null callable throws NPE
317	<	*/
318	<	public void testInvokeNullCallable() {
319	<	try {
320	<	Executor e = new DirectExecutor();
321	<	StringTask t = null;
322	<	String result = Executors.invoke(e, t);
323	<	shouldThrow();
316	>	* ThreadPoolExecutor using privilegedThreadFactory has
317	>	* specified group, priority, daemon status, name,
318	>	* access control context and context class loader
319	>	*/
320	>	public void testPrivilegedThreadFactory() throws Exception {
321	>	Runnable r = new CheckedRunnable() {
322	>	public void realRun() throws Exception {
323	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
324	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
325	>	final AccessControlContext thisacc = AccessController.getContext();
326	>	Runnable r = new CheckedRunnable() {
327	>	public void realRun() {
328	>	Thread current = Thread.currentThread();
329	>	assertTrue(!current.isDaemon());
330	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
331	>	ThreadGroup g = current.getThreadGroup();
332	>	SecurityManager s = System.getSecurityManager();
333	>	if (s != null)
334	>	assertTrue(g == s.getThreadGroup());
335	>	else
336	>	assertTrue(g == egroup);
337	>	String name = current.getName();
338	>	assertTrue(name.endsWith("thread-1"));
339	>	assertSame(thisccl, current.getContextClassLoader());
340	>	assertEquals(thisacc, AccessController.getContext());
341	>	}};
342	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
343	>	e.execute(r);
344	>	e.shutdown();
345	>	delay(SHORT_DELAY_MS);
346	>	joinPool(e);
347	>	}};
348	>
349	>	runWithPermissions(r,
350	>	new RuntimePermission("getClassLoader"),
351	>	new RuntimePermission("setContextClassLoader"),
352	>	new RuntimePermission("modifyThread"));
353	>	}
354	>
355	>	boolean haveCCLPermissions() {
356	>	SecurityManager sm = System.getSecurityManager();
357	>	if (sm != null) {
358	>	try {
359	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
360	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
361	>	} catch (AccessControlException e) {
362	>	return false;
363	>	}
364		}
365	<	catch (NullPointerException success) {
365	>	return true;
366	>	}
367	>
368	>	void checkCCL() {
369	>	SecurityManager sm = System.getSecurityManager();
370	>	if (sm != null) {
371	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
372	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
373		}
374	<	catch (Exception ex) {
375	<	unexpectedException();
374	>	}
375	>
376	>	class CheckCCL implements Callable<Object> {
377	>	public Object call() {
378	>	checkCCL();
379	>	return null;
380		}
381		}
382
383		/**
384	<	*  execute(Executor, Runnable) throws RejectedExecutionException
385	<	*  if saturated.
384	>	* Without class loader permissions, creating
385	>	* privilegedCallableUsingCurrentClassLoader throws ACE
386		*/
387	<	public void testExecute1() {
388	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
389	<	try {
390	<
391	<	for(int i = 0; i < 5; ++i){
392	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
393	<	}
394	<	shouldThrow();
395	<	} catch(RejectedExecutionException success){}
396	<	joinPool(p);
387	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
388	>	Runnable r = new CheckedRunnable() {
389	>	public void realRun() throws Exception {
390	>	if (System.getSecurityManager() == null)
391	>	return;
392	>	try {
393	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
394	>	shouldThrow();
395	>	} catch (AccessControlException success) {}
396	>	}};
397	>
398	>	runWithoutPermissions(r);
399		}
400
401		/**
402	<	*  execute(Executor, Callable)throws RejectedExecutionException
403	<	*  if saturated.
402	>	* With class loader permissions, calling
403	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
404		*/
405	<	public void testExecute2() {
406	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
407	<	try {
408	<	for(int i = 0; i < 5; ++i) {
409	<	Executors.execute(p, new SmallCallable());
410	<	}
411	<	shouldThrow();
377	<	} catch(RejectedExecutionException e){}
378	<	joinPool(p);
379	<	}
405	>	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
406	>	Runnable r = new CheckedRunnable() {
407	>	public void realRun() throws Exception {
408	>	Executors.privilegedCallableUsingCurrentClassLoader
409	>	(new NoOpCallable())
410	>	.call();
411	>	}};
412
413	+	runWithPermissions(r,
414	+	new RuntimePermission("getClassLoader"),
415	+	new RuntimePermission("setContextClassLoader"));
416	+	}
417
418		/**
419	<	*  invoke(Executor, Runnable) throws InterruptedException if
384	<	*  caller interrupted.
419	>	* Without permissions, calling privilegedCallable throws ACE
420		*/
421	<	public void testInterruptedInvoke() {
422	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
423	<	Thread t = new Thread(new Runnable() {
424	<	public void run() {
425	<	try {
426	<	Executors.invoke(p,new Runnable() {
427	<	public void run() {
428	<	try {
429	<	Thread.sleep(MEDIUM_DELAY_MS);
430	<	shouldThrow();
431	<	} catch(InterruptedException e){
432	<	}
433	<	}
434	<	});
435	<	} catch(InterruptedException success){
436	<	} catch(Exception e) {
437	<	unexpectedException();
438	<	}
439	<
440	<	}
441	<	});
442	<	try {
443	<	t.start();
444	<	Thread.sleep(SHORT_DELAY_MS);
445	<	t.interrupt();
446	<	} catch(Exception e){
447	<	unexpectedException();
448	<	}
449	<	joinPool(p);
421	>	public void testprivilegedCallableWithNoPrivs() throws Exception {
422	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
423	>	Executors.privilegedCallable(new CheckCCL());
424	>
425	>	Runnable r = new CheckedRunnable() {
426	>	public void realRun() throws Exception {
427	>	if (System.getSecurityManager() == null)
428	>	return;
429	>	Callable task = Executors.privilegedCallable(new CheckCCL());
430	>	try {
431	>	task.call();
432	>	shouldThrow();
433	>	} catch (AccessControlException success) {}
434	>	}};
435	>
436	>	runWithoutPermissions(r);
437	>
438	>	// It seems rather difficult to test that the
439	>	// AccessControlContext of the privilegedCallable is used
440	>	// instead of its caller.  Below is a failed attempt to do
441	>	// that, which does not work because the AccessController
442	>	// cannot capture the internal state of the current Policy.
443	>	// It would be much more work to differentiate based on,
444	>	// e.g. CodeSource.
445	>
446	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
447	>	//         final Callable[] task = new Callable[1];
448	>
449	>	//         runWithPermissions
450	>	//             (new CheckedRunnable() {
451	>	//                 public void realRun() {
452	>	//                     if (System.getSecurityManager() == null)
453	>	//                         return;
454	>	//                     noprivAcc[0] = AccessController.getContext();
455	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
456	>	//                     try {
457	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
458	>	//                                                           public Void run() {
459	>	//                                                               checkCCL();
460	>	//                                                               return null;
461	>	//                                                           }}, noprivAcc[0]);
462	>	//                         shouldThrow();
463	>	//                     } catch (AccessControlException success) {}
464	>	//                 }});
465	>
466	>	//         runWithPermissions
467	>	//             (new CheckedRunnable() {
468	>	//                 public void realRun() throws Exception {
469	>	//                     if (System.getSecurityManager() == null)
470	>	//                         return;
471	>	//                     // Verify that we have an underprivileged ACC
472	>	//                     try {
473	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
474	>	//                                                           public Void run() {
475	>	//                                                               checkCCL();
476	>	//                                                               return null;
477	>	//                                                           }}, noprivAcc[0]);
478	>	//                         shouldThrow();
479	>	//                     } catch (AccessControlException success) {}
480	>
481	>	//                     try {
482	>	//                         task[0].call();
483	>	//                         shouldThrow();
484	>	//                     } catch (AccessControlException success) {}
485	>	//                 }},
486	>	//              new RuntimePermission("getClassLoader"),
487	>	//              new RuntimePermission("setContextClassLoader"));
488		}
489
490		/**
491	<	*  invoke(Executor, Runnable) throws ExecutionException if
419	<	*  runnable throws exception.
491	>	* With permissions, calling privilegedCallable succeeds
492		*/
493	<	public void testInvoke3() {
494	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
495	<	try {
496	<	Runnable r = new Runnable() {
497	<	public void run() {
498	<	int i = 5/0;
499	<	}
500	<	};
501	<
430	<	for(int i =0; i < 5; i++){
431	<	Executors.invoke(p,r);
432	<	}
433	<
434	<	shouldThrow();
435	<	} catch(ExecutionException success){
436	<	} catch(Exception e){
437	<	unexpectedException();
438	<	}
439	<	joinPool(p);
493	>	public void testprivilegedCallableWithPrivs() throws Exception {
494	>	Runnable r = new CheckedRunnable() {
495	>	public void realRun() throws Exception {
496	>	Executors.privilegedCallable(new CheckCCL()).call();
497	>	}};
498	>
499	>	runWithPermissions(r,
500	>	new RuntimePermission("getClassLoader"),
501	>	new RuntimePermission("setContextClassLoader"));
502		}
503
504	+	/**
505	+	* callable(Runnable) returns null when called
506	+	*/
507	+	public void testCallable1() throws Exception {
508	+	Callable c = Executors.callable(new NoOpRunnable());
509	+	assertNull(c.call());
510	+	}
511
512	+	/**
513	+	* callable(Runnable, result) returns result when called
514	+	*/
515	+	public void testCallable2() throws Exception {
516	+	Callable c = Executors.callable(new NoOpRunnable(), one);
517	+	assertSame(one, c.call());
518	+	}
519
520		/**
521	<	*  invoke(Executor, Callable) throws InterruptedException if
446	<	*  callable throws exception
521	>	* callable(PrivilegedAction) returns its result when called
522		*/
523	<	public void testInvoke5() {
524	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
525	<
526	<	final Callable c = new Callable() {
527	<	public Object call() {
453	<	try {
454	<	Executors.invoke(p, new SmallCallable());
455	<	shouldThrow();
456	<	} catch(InterruptedException e){}
457	<	catch(RejectedExecutionException e2){}
458	<	catch(ExecutionException e3){}
459	<	return Boolean.TRUE;
460	<	}
461	<	};
523	>	public void testCallable3() throws Exception {
524	>	Callable c = Executors.callable(new PrivilegedAction() {
525	>	public Object run() { return one; }});
526	>	assertSame(one, c.call());
527	>	}
528
529	+	/**
530	+	* callable(PrivilegedExceptionAction) returns its result when called
531	+	*/
532	+	public void testCallable4() throws Exception {
533	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
534	+	public Object run() { return one; }});
535	+	assertSame(one, c.call());
536	+	}
537
538	<
539	<	Thread t = new Thread(new Runnable() {
540	<	public void run() {
541	<	try {
468	<	c.call();
469	<	} catch(Exception e){}
470	<	}
471	<	});
538	>	/**
539	>	* callable(null Runnable) throws NPE
540	>	*/
541	>	public void testCallableNPE1() {
542		try {
543	<	t.start();
544	<	Thread.sleep(SHORT_DELAY_MS);
545	<	t.interrupt();
476	<	t.join();
477	<	} catch(InterruptedException e){
478	<	unexpectedException();
479	<	}
480	<
481	<	joinPool(p);
543	>	Callable c = Executors.callable((Runnable) null);
544	>	shouldThrow();
545	>	} catch (NullPointerException success) {}
546		}
547
548		/**
549	<	*  invoke(Executor, Callable) will throw ExecutionException
486	<	*  if callable throws exception
549	>	* callable(null, result) throws NPE
550		*/
551	<	public void testInvoke6() {
489	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
490	<
551	>	public void testCallableNPE2() {
552		try {
553	<	Callable c = new Callable() {
493	<	public Object call() {
494	<	int i = 5/0;
495	<	return Boolean.TRUE;
496	<	}
497	<	};
498	<
499	<	for(int i =0; i < 5; i++){
500	<	Executors.invoke(p,c);
501	<	}
502	<
553	>	Callable c = Executors.callable((Runnable) null, one);
554		shouldThrow();
555	<	}
505	<	catch(ExecutionException success){
506	<	} catch(Exception e) {
507	<	unexpectedException();
508	<	}
509	<	joinPool(p);
555	>	} catch (NullPointerException success) {}
556		}
557
512	–
513	–
558		/**
559	<	*  timeouts from execute will time out if they compute too long.
559	>	* callable(null PrivilegedAction) throws NPE
560		*/
561	<	public void testTimedCallable() {
518	<	int N = 10000;
519	<	ExecutorService executor = Executors.newSingleThreadExecutor();
520	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
561	>	public void testCallableNPE3() {
562		try {
563	<	long startTime = System.currentTimeMillis();
564	<
565	<	long i = 0;
525	<	while (tasks.size() < N) {
526	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
527	<	i += 10;
528	<	}
529	<
530	<	int iters = 0;
531	<	BigInteger sum = BigInteger.ZERO;
532	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
533	<	try {
534	<	++iters;
535	<	sum = sum.add(it.next().call());
536	<	}
537	<	catch (TimeoutException success) {
538	<	assertTrue(iters > 0);
539	<	return;
540	<	}
541	<	catch (Exception e) {
542	<	unexpectedException();
543	<	}
544	<	}
545	<	// if by chance we didn't ever time out, total time must be small
546	<	long elapsed = System.currentTimeMillis() - startTime;
547	<	assertTrue(elapsed < N);
548	<	}
549	<	finally {
550	<	joinPool(executor);
551	<	}
563	>	Callable c = Executors.callable((PrivilegedAction) null);
564	>	shouldThrow();
565	>	} catch (NullPointerException success) {}
566		}
567
568	<
569	<
568	>	/**
569	>	* callable(null PrivilegedExceptionAction) throws NPE
570	>	*/
571	>	public void testCallableNPE4() {
572	>	try {
573	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
574	>	shouldThrow();
575	>	} catch (NullPointerException success) {}
576	>	}
577
578		}

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