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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 1.42 by jsr166, Sun May 29 13:45:35 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 proceed = new CountDownLatch(1);
181	>	final Runnable task = new CheckedRunnable() {
182	>	public void realRun() {
183	>	await(proceed);
184	>	}};
185	>	long startTime = System.nanoTime();
186	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
187	>	timeoutMillis(), MILLISECONDS);
188	>	assertFalse(f.isDone());
189	>	proceed.countDown();
190	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
191	>	assertSame(Boolean.TRUE, f.get());
192	>	assertTrue(f.isDone());
193	>	assertFalse(f.isCancelled());
194	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
195	>	} finally {
196	>	joinPool(p);
197		}
198		}
199
200		/**
201	<	* execute with null executor throws NPE
201	>	* a newScheduledThreadPool successfully runs delayed task
202		*/
203	<	public void testNullExecuteRunnable() {
203	>	public void testNewScheduledThreadPool() throws Exception {
204	>	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
205		try {
206	<	TrackedShortRunnable task = new TrackedShortRunnable();
207	<	assertFalse(task.done);
208	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
209	<	shouldThrow();
210	<	}
211	<	catch (NullPointerException success) {
212	<	}
213	<	catch (Exception ex) {
214	<	unexpectedException();
206	>	final CountDownLatch proceed = new CountDownLatch(1);
207	>	final Runnable task = new CheckedRunnable() {
208	>	public void realRun() {
209	>	await(proceed);
210	>	}};
211	>	long startTime = System.nanoTime();
212	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
213	>	timeoutMillis(), MILLISECONDS);
214	>	assertFalse(f.isDone());
215	>	proceed.countDown();
216	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
217	>	assertSame(Boolean.TRUE, f.get());
218	>	assertTrue(f.isDone());
219	>	assertFalse(f.isCancelled());
220	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
221	>	} finally {
222	>	joinPool(p);
223		}
224		}
225
226		/**
227	<	* execute with a null runnable throws NPE
227	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
228		*/
229	<	public void testExecuteNullRunnable() {
229	>	public void testUnconfigurableScheduledExecutorService() throws Exception {
230	>	ScheduledExecutorService p =
231	>	Executors.unconfigurableScheduledExecutorService
232	>	(Executors.newScheduledThreadPool(2));
233		try {
234	<	Executor e = new DirectExecutor();
235	<	TrackedShortRunnable task = null;
236	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
237	<	shouldThrow();
238	<	}
239	<	catch (NullPointerException success) {
240	<	}
241	<	catch (Exception ex) {
242	<	unexpectedException();
234	>	final CountDownLatch proceed = new CountDownLatch(1);
235	>	final Runnable task = new CheckedRunnable() {
236	>	public void realRun() {
237	>	await(proceed);
238	>	}};
239	>	long startTime = System.nanoTime();
240	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
241	>	timeoutMillis(), MILLISECONDS);
242	>	assertFalse(f.isDone());
243	>	proceed.countDown();
244	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
245	>	assertSame(Boolean.TRUE, f.get());
246	>	assertTrue(f.isDone());
247	>	assertFalse(f.isCancelled());
248	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
249	>	} finally {
250	>	joinPool(p);
251		}
252		}
253
254		/**
255	<	* invoke of a null runnable throws NPE
255	>	* Future.get on submitted tasks will time out if they compute too long.
256		*/
257	<	public void testInvokeNullRunnable() {
258	<	try {
259	<	Executor e = new DirectExecutor();
260	<	TrackedShortRunnable task = null;
261	<	Executors.invoke(e, task);
262	<	shouldThrow();
263	<	}
264	<	catch (NullPointerException success) {
265	<	}
266	<	catch (Exception ex) {
267	<	unexpectedException();
257	>	public void testTimedCallable() throws Exception {
258	>	final ExecutorService[] executors = {
259	>	Executors.newSingleThreadExecutor(),
260	>	Executors.newCachedThreadPool(),
261	>	Executors.newFixedThreadPool(2),
262	>	Executors.newScheduledThreadPool(2),
263	>	};
264	>
265	>	final Runnable sleeper = new CheckedInterruptedRunnable() {
266	>	public void realRun() throws InterruptedException {
267	>	delay(LONG_DELAY_MS);
268	>	}};
269	>
270	>	List<Thread> threads = new ArrayList<Thread>();
271	>	for (final ExecutorService executor : executors) {
272	>	threads.add(newStartedThread(new CheckedRunnable() {
273	>	public void realRun() {
274	>	long startTime = System.nanoTime();
275	>	Future future = executor.submit(sleeper);
276	>	assertFutureTimesOut(future);
277	>	}}));
278		}
279	+	for (Thread thread : threads)
280	+	awaitTermination(thread);
281	+	for (ExecutorService executor : executors)
282	+	joinPool(executor);
283		}
284
285		/**
286	<	* execute of a null callable throws NPE
286	>	* ThreadPoolExecutor using defaultThreadFactory has
287	>	* specified group, priority, daemon status, and name
288		*/
289	<	public void testExecuteNullCallable() {
290	<	try {
291	<	Executor e = new DirectExecutor();
292	<	StringTask t = null;
293	<	Future<String> future = Executors.execute(e, t);
294	<	shouldThrow();
295	<	}
296	<	catch (NullPointerException success) {
297	<	}
298	<	catch (Exception ex) {
299	<	unexpectedException();
300	<	}
289	>	public void testDefaultThreadFactory() throws Exception {
290	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
291	>	final CountDownLatch done = new CountDownLatch(1);
292	>	Runnable r = new CheckedRunnable() {
293	>	public void realRun() {
294	>	try {
295	>	Thread current = Thread.currentThread();
296	>	assertTrue(!current.isDaemon());
297	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
298	>	ThreadGroup g = current.getThreadGroup();
299	>	SecurityManager s = System.getSecurityManager();
300	>	if (s != null)
301	>	assertTrue(g == s.getThreadGroup());
302	>	else
303	>	assertTrue(g == egroup);
304	>	String name = current.getName();
305	>	assertTrue(name.endsWith("thread-1"));
306	>	} catch (SecurityException ok) {
307	>	// Also pass if not allowed to change setting
308	>	}
309	>	done.countDown();
310	>	}};
311	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
312	>
313	>	e.execute(r);
314	>	await(done);
315	>
316	>	try {
317	>	e.shutdown();
318	>	} catch (SecurityException ok) {
319	>	}
320	>
321	>	joinPool(e);
322		}
323
324		/**
325	<	* invoke of a null callable throws NPE
326	<	*/
327	<	public void testInvokeNullCallable() {
328	<	try {
329	<	Executor e = new DirectExecutor();
330	<	StringTask t = null;
331	<	String result = Executors.invoke(e, t);
332	<	shouldThrow();
325	>	* ThreadPoolExecutor using privilegedThreadFactory has
326	>	* specified group, priority, daemon status, name,
327	>	* access control context and context class loader
328	>	*/
329	>	public void testPrivilegedThreadFactory() throws Exception {
330	>	final CountDownLatch done = new CountDownLatch(1);
331	>	Runnable r = new CheckedRunnable() {
332	>	public void realRun() throws Exception {
333	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
334	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
335	>	final AccessControlContext thisacc = AccessController.getContext();
336	>	Runnable r = new CheckedRunnable() {
337	>	public void realRun() {
338	>	Thread current = Thread.currentThread();
339	>	assertTrue(!current.isDaemon());
340	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
341	>	ThreadGroup g = current.getThreadGroup();
342	>	SecurityManager s = System.getSecurityManager();
343	>	if (s != null)
344	>	assertTrue(g == s.getThreadGroup());
345	>	else
346	>	assertTrue(g == egroup);
347	>	String name = current.getName();
348	>	assertTrue(name.endsWith("thread-1"));
349	>	assertSame(thisccl, current.getContextClassLoader());
350	>	assertEquals(thisacc, AccessController.getContext());
351	>	done.countDown();
352	>	}};
353	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
354	>	e.execute(r);
355	>	await(done);
356	>	e.shutdown();
357	>	joinPool(e);
358	>	}};
359	>
360	>	runWithPermissions(r,
361	>	new RuntimePermission("getClassLoader"),
362	>	new RuntimePermission("setContextClassLoader"),
363	>	new RuntimePermission("modifyThread"));
364	>	}
365	>
366	>	boolean haveCCLPermissions() {
367	>	SecurityManager sm = System.getSecurityManager();
368	>	if (sm != null) {
369	>	try {
370	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
371	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
372	>	} catch (AccessControlException e) {
373	>	return false;
374	>	}
375		}
376	<	catch (NullPointerException success) {
376	>	return true;
377	>	}
378	>
379	>	void checkCCL() {
380	>	SecurityManager sm = System.getSecurityManager();
381	>	if (sm != null) {
382	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
383	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
384		}
385	<	catch (Exception ex) {
386	<	unexpectedException();
385	>	}
386	>
387	>	class CheckCCL implements Callable<Object> {
388	>	public Object call() {
389	>	checkCCL();
390	>	return null;
391		}
392		}
393
394		/**
395	<	*  execute(Executor, Runnable) throws RejectedExecutionException
396	<	*  if saturated.
395	>	* Without class loader permissions, creating
396	>	* privilegedCallableUsingCurrentClassLoader throws ACE
397		*/
398	<	public void testExecute1() {
399	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
400	<	try {
401	<
402	<	for(int i = 0; i < 5; ++i){
403	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
404	<	}
405	<	shouldThrow();
406	<	} catch(RejectedExecutionException success){}
407	<	joinPool(p);
398	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
399	>	Runnable r = new CheckedRunnable() {
400	>	public void realRun() throws Exception {
401	>	if (System.getSecurityManager() == null)
402	>	return;
403	>	try {
404	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
405	>	shouldThrow();
406	>	} catch (AccessControlException success) {}
407	>	}};
408	>
409	>	runWithoutPermissions(r);
410		}
411
412		/**
413	<	*  execute(Executor, Callable)throws RejectedExecutionException
414	<	*  if saturated.
413	>	* With class loader permissions, calling
414	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
415		*/
416	<	public void testExecute2() {
417	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
418	<	try {
419	<	for(int i = 0; i < 5; ++i) {
420	<	Executors.execute(p, new SmallCallable());
421	<	}
422	<	shouldThrow();
377	<	} catch(RejectedExecutionException e){}
378	<	joinPool(p);
379	<	}
416	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
417	>	Runnable r = new CheckedRunnable() {
418	>	public void realRun() throws Exception {
419	>	Executors.privilegedCallableUsingCurrentClassLoader
420	>	(new NoOpCallable())
421	>	.call();
422	>	}};
423
424	+	runWithPermissions(r,
425	+	new RuntimePermission("getClassLoader"),
426	+	new RuntimePermission("setContextClassLoader"));
427	+	}
428
429		/**
430	<	*  invoke(Executor, Runnable) throws InterruptedException if
384	<	*  caller interrupted.
430	>	* Without permissions, calling privilegedCallable throws ACE
431		*/
432	<	public void testInterruptedInvoke() {
433	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
434	<	Thread t = new Thread(new Runnable() {
435	<	public void run() {
436	<	try {
437	<	Executors.invoke(p,new Runnable() {
438	<	public void run() {
439	<	try {
440	<	Thread.sleep(MEDIUM_DELAY_MS);
441	<	shouldThrow();
442	<	} catch(InterruptedException e){
443	<	}
444	<	}
445	<	});
446	<	} catch(InterruptedException success){
447	<	} catch(Exception e) {
448	<	unexpectedException();
449	<	}
450	<
451	<	}
452	<	});
453	<	try {
454	<	t.start();
455	<	Thread.sleep(SHORT_DELAY_MS);
456	<	t.interrupt();
457	<	} catch(Exception e){
458	<	unexpectedException();
459	<	}
460	<	joinPool(p);
432	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
433	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
434	>	Executors.privilegedCallable(new CheckCCL());
435	>
436	>	Runnable r = new CheckedRunnable() {
437	>	public void realRun() throws Exception {
438	>	if (System.getSecurityManager() == null)
439	>	return;
440	>	Callable task = Executors.privilegedCallable(new CheckCCL());
441	>	try {
442	>	task.call();
443	>	shouldThrow();
444	>	} catch (AccessControlException success) {}
445	>	}};
446	>
447	>	runWithoutPermissions(r);
448	>
449	>	// It seems rather difficult to test that the
450	>	// AccessControlContext of the privilegedCallable is used
451	>	// instead of its caller.  Below is a failed attempt to do
452	>	// that, which does not work because the AccessController
453	>	// cannot capture the internal state of the current Policy.
454	>	// It would be much more work to differentiate based on,
455	>	// e.g. CodeSource.
456	>
457	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
458	>	//         final Callable[] task = new Callable[1];
459	>
460	>	//         runWithPermissions
461	>	//             (new CheckedRunnable() {
462	>	//                 public void realRun() {
463	>	//                     if (System.getSecurityManager() == null)
464	>	//                         return;
465	>	//                     noprivAcc[0] = AccessController.getContext();
466	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
467	>	//                     try {
468	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
469	>	//                                                           public Void run() {
470	>	//                                                               checkCCL();
471	>	//                                                               return null;
472	>	//                                                           }}, noprivAcc[0]);
473	>	//                         shouldThrow();
474	>	//                     } catch (AccessControlException success) {}
475	>	//                 }});
476	>
477	>	//         runWithPermissions
478	>	//             (new CheckedRunnable() {
479	>	//                 public void realRun() throws Exception {
480	>	//                     if (System.getSecurityManager() == null)
481	>	//                         return;
482	>	//                     // Verify that we have an underprivileged ACC
483	>	//                     try {
484	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
485	>	//                                                           public Void run() {
486	>	//                                                               checkCCL();
487	>	//                                                               return null;
488	>	//                                                           }}, noprivAcc[0]);
489	>	//                         shouldThrow();
490	>	//                     } catch (AccessControlException success) {}
491	>
492	>	//                     try {
493	>	//                         task[0].call();
494	>	//                         shouldThrow();
495	>	//                     } catch (AccessControlException success) {}
496	>	//                 }},
497	>	//              new RuntimePermission("getClassLoader"),
498	>	//              new RuntimePermission("setContextClassLoader"));
499		}
500
501		/**
502	<	*  invoke(Executor, Runnable) throws ExecutionException if
419	<	*  runnable throws exception.
502	>	* With permissions, calling privilegedCallable succeeds
503		*/
504	<	public void testInvoke3() {
505	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
506	<	try {
507	<	Runnable r = new Runnable() {
508	<	public void run() {
509	<	int i = 5/0;
510	<	}
511	<	};
512	<
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);
504	>	public void testPrivilegedCallableWithPrivs() throws Exception {
505	>	Runnable r = new CheckedRunnable() {
506	>	public void realRun() throws Exception {
507	>	Executors.privilegedCallable(new CheckCCL()).call();
508	>	}};
509	>
510	>	runWithPermissions(r,
511	>	new RuntimePermission("getClassLoader"),
512	>	new RuntimePermission("setContextClassLoader"));
513		}
514
515	+	/**
516	+	* callable(Runnable) returns null when called
517	+	*/
518	+	public void testCallable1() throws Exception {
519	+	Callable c = Executors.callable(new NoOpRunnable());
520	+	assertNull(c.call());
521	+	}
522
523	+	/**
524	+	* callable(Runnable, result) returns result when called
525	+	*/
526	+	public void testCallable2() throws Exception {
527	+	Callable c = Executors.callable(new NoOpRunnable(), one);
528	+	assertSame(one, c.call());
529	+	}
530
531		/**
532	<	*  invoke(Executor, Callable) throws InterruptedException if
446	<	*  callable throws exception
532	>	* callable(PrivilegedAction) returns its result when called
533		*/
534	<	public void testInvoke5() {
535	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
536	<
537	<	final Callable c = new Callable() {
538	<	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	<	};
534	>	public void testCallable3() throws Exception {
535	>	Callable c = Executors.callable(new PrivilegedAction() {
536	>	public Object run() { return one; }});
537	>	assertSame(one, c.call());
538	>	}
539
540	+	/**
541	+	* callable(PrivilegedExceptionAction) returns its result when called
542	+	*/
543	+	public void testCallable4() throws Exception {
544	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
545	+	public Object run() { return one; }});
546	+	assertSame(one, c.call());
547	+	}
548
549	<
550	<	Thread t = new Thread(new Runnable() {
551	<	public void run() {
552	<	try {
468	<	c.call();
469	<	} catch(Exception e){}
470	<	}
471	<	});
549	>	/**
550	>	* callable(null Runnable) throws NPE
551	>	*/
552	>	public void testCallableNPE1() {
553		try {
554	<	t.start();
555	<	Thread.sleep(SHORT_DELAY_MS);
556	<	t.interrupt();
476	<	t.join();
477	<	} catch(InterruptedException e){
478	<	unexpectedException();
479	<	}
480	<
481	<	joinPool(p);
554	>	Callable c = Executors.callable((Runnable) null);
555	>	shouldThrow();
556	>	} catch (NullPointerException success) {}
557		}
558
559		/**
560	<	*  invoke(Executor, Callable) will throw ExecutionException
486	<	*  if callable throws exception
560	>	* callable(null, result) throws NPE
561		*/
562	<	public void testInvoke6() {
489	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
490	<
562	>	public void testCallableNPE2() {
563		try {
564	<	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	<
564	>	Callable c = Executors.callable((Runnable) null, one);
565		shouldThrow();
566	<	}
505	<	catch(ExecutionException success){
506	<	} catch(Exception e) {
507	<	unexpectedException();
508	<	}
509	<	joinPool(p);
566	>	} catch (NullPointerException success) {}
567		}
568
512	–
513	–
569		/**
570	<	*  timeouts from execute will time out if they compute too long.
570	>	* callable(null PrivilegedAction) throws NPE
571		*/
572	<	public void testTimedCallable() {
518	<	int N = 10000;
519	<	ExecutorService executor = Executors.newSingleThreadExecutor();
520	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
572	>	public void testCallableNPE3() {
573		try {
574	<	long startTime = System.currentTimeMillis();
575	<
576	<	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	<	}
574	>	Callable c = Executors.callable((PrivilegedAction) null);
575	>	shouldThrow();
576	>	} catch (NullPointerException success) {}
577		}
578
579	<
580	<
579	>	/**
580	>	* callable(null PrivilegedExceptionAction) throws NPE
581	>	*/
582	>	public void testCallableNPE4() {
583	>	try {
584	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
585	>	shouldThrow();
586	>	} catch (NullPointerException success) {}
587	>	}
588
589		}

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