ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.10 by tim, Wed Dec 10 01:51:12 2003 UTC vs.
Revision 1.49 by jsr166, Mon May 29 22:44:26 2017 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
9	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10
11	<	import junit.framework.*;
12	<	import java.util.*;
13	<	import java.util.concurrent.*;
14	<	import java.math.BigInteger;
15	<	import java.security.*;
11	>	import java.security.AccessControlContext;
12	>	import java.security.AccessControlException;
13	>	import java.security.AccessController;
14	>	import java.security.PrivilegedAction;
15	>	import java.security.PrivilegedExceptionAction;
16	>	import java.util.ArrayList;
17	>	import java.util.List;
18	>	import java.util.concurrent.Callable;
19	>	import java.util.concurrent.CountDownLatch;
20	>	import java.util.concurrent.Executors;
21	>	import java.util.concurrent.ExecutorService;
22	>	import java.util.concurrent.Future;
23	>	import java.util.concurrent.ScheduledExecutorService;
24	>	import java.util.concurrent.ThreadPoolExecutor;
25
26	<	public class ExecutorsTest extends JSR166TestCase{
26	>	import junit.framework.Test;
27	>	import junit.framework.TestSuite;
28	>
29	>	public class ExecutorsTest extends JSR166TestCase {
30		public static void main(String[] args) {
31	<	junit.textui.TestRunner.run (suite());
31	>	main(suite(), args);
32		}
33		public static Test suite() {
34		return new TestSuite(ExecutorsTest.class);
35		}
36
23	–	static class TimedCallable<T> implements Callable<T> {
24	–	private final ExecutorService exec;
25	–	private final Callable<T> func;
26	–	private final long msecs;
27	–
28	–	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
29	–	this.exec = exec;
30	–	this.func = func;
31	–	this.msecs = msecs;
32	–	}
33	–
34	–	public T call() throws Exception {
35	–	Future<T> ftask = exec.submit(func);
36	–	try {
37	–	return ftask.get(msecs, TimeUnit.MILLISECONDS);
38	–	} finally {
39	–	ftask.cancel(true);
40	–	}
41	–	}
42	–	}
43	–
44	–
45	–	private static class Fib implements Callable<BigInteger> {
46	–	private final BigInteger n;
47	–	Fib(long n) {
48	–	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
49	–	this.n = BigInteger.valueOf(n);
50	–	}
51	–	public BigInteger call() {
52	–	BigInteger f1 = BigInteger.ONE;
53	–	BigInteger f2 = f1;
54	–	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
55	–	BigInteger t = f1.add(f2);
56	–	f1 = f2;
57	–	f2 = t;
58	–	}
59	–	return f1;
60	–	}
61	–	};
62	–
37		/**
38		* A newCachedThreadPool can execute runnables
39		*/
40		public void testNewCachedThreadPool1() {
41	<	ExecutorService e = Executors.newCachedThreadPool();
42	<	e.execute(new NoOpRunnable());
43	<	e.execute(new NoOpRunnable());
44	<	e.execute(new NoOpRunnable());
45	<	e.shutdown();
41	>	final ExecutorService e = Executors.newCachedThreadPool();
42	>	try (PoolCleaner cleaner = cleaner(e)) {
43	>	e.execute(new NoOpRunnable());
44	>	e.execute(new NoOpRunnable());
45	>	e.execute(new NoOpRunnable());
46	>	}
47		}
48
49		/**
50		* A newCachedThreadPool with given ThreadFactory can execute runnables
51		*/
52		public void testNewCachedThreadPool2() {
53	<	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
54	<	e.execute(new NoOpRunnable());
55	<	e.execute(new NoOpRunnable());
56	<	e.execute(new NoOpRunnable());
57	<	e.shutdown();
53	>	final ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
54	>	try (PoolCleaner cleaner = cleaner(e)) {
55	>	e.execute(new NoOpRunnable());
56	>	e.execute(new NoOpRunnable());
57	>	e.execute(new NoOpRunnable());
58	>	}
59		}
60
61		/**
#	Line 89 | Line 65 | public class ExecutorsTest extends JSR16
65		try {
66		ExecutorService e = Executors.newCachedThreadPool(null);
67		shouldThrow();
68	<	}
93	<	catch(NullPointerException success) {
94	<	}
68	>	} catch (NullPointerException success) {}
69		}
70
97	–
71		/**
72		* A new SingleThreadExecutor can execute runnables
73		*/
74		public void testNewSingleThreadExecutor1() {
75	<	ExecutorService e = Executors.newSingleThreadExecutor();
76	<	e.execute(new NoOpRunnable());
77	<	e.execute(new NoOpRunnable());
78	<	e.execute(new NoOpRunnable());
79	<	e.shutdown();
75	>	final ExecutorService e = Executors.newSingleThreadExecutor();
76	>	try (PoolCleaner cleaner = cleaner(e)) {
77	>	e.execute(new NoOpRunnable());
78	>	e.execute(new NoOpRunnable());
79	>	e.execute(new NoOpRunnable());
80	>	}
81		}
82
83		/**
84		* A new SingleThreadExecutor with given ThreadFactory can execute runnables
85		*/
86		public void testNewSingleThreadExecutor2() {
87	<	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
88	<	e.execute(new NoOpRunnable());
89	<	e.execute(new NoOpRunnable());
90	<	e.execute(new NoOpRunnable());
91	<	e.shutdown();
87	>	final ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
88	>	try (PoolCleaner cleaner = cleaner(e)) {
89	>	e.execute(new NoOpRunnable());
90	>	e.execute(new NoOpRunnable());
91	>	e.execute(new NoOpRunnable());
92	>	}
93		}
94
95		/**
#	Line 124 | Line 99 | public class ExecutorsTest extends JSR16
99		try {
100		ExecutorService e = Executors.newSingleThreadExecutor(null);
101		shouldThrow();
102	<	}
103	<	catch(NullPointerException success) {
102	>	} catch (NullPointerException success) {}
103	>	}
104	>
105	>	/**
106	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
107	>	*/
108	>	public void testCastNewSingleThreadExecutor() {
109	>	final ExecutorService e = Executors.newSingleThreadExecutor();
110	>	try (PoolCleaner cleaner = cleaner(e)) {
111	>	try {
112	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
113	>	shouldThrow();
114	>	} catch (ClassCastException success) {}
115		}
116		}
117
#	Line 133 | Line 119 | public class ExecutorsTest extends JSR16
119		* A new newFixedThreadPool can execute runnables
120		*/
121		public void testNewFixedThreadPool1() {
122	<	ExecutorService e = Executors.newFixedThreadPool(2);
123	<	e.execute(new NoOpRunnable());
124	<	e.execute(new NoOpRunnable());
125	<	e.execute(new NoOpRunnable());
126	<	e.shutdown();
122	>	final ExecutorService e = Executors.newFixedThreadPool(2);
123	>	try (PoolCleaner cleaner = cleaner(e)) {
124	>	e.execute(new NoOpRunnable());
125	>	e.execute(new NoOpRunnable());
126	>	e.execute(new NoOpRunnable());
127	>	}
128		}
129
130		/**
131		* A new newFixedThreadPool with given ThreadFactory can execute runnables
132		*/
133		public void testNewFixedThreadPool2() {
134	<	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
135	<	e.execute(new NoOpRunnable());
136	<	e.execute(new NoOpRunnable());
137	<	e.execute(new NoOpRunnable());
138	<	e.shutdown();
134	>	final ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
135	>	try (PoolCleaner cleaner = cleaner(e)) {
136	>	e.execute(new NoOpRunnable());
137	>	e.execute(new NoOpRunnable());
138	>	e.execute(new NoOpRunnable());
139	>	}
140		}
141
142		/**
143	<	* A new newFixedThreadPool with null ThreadFactory throws NPE
143	>	* A new newFixedThreadPool with null ThreadFactory throws
144	>	* NullPointerException
145		*/
146		public void testNewFixedThreadPool3() {
147		try {
148		ExecutorService e = Executors.newFixedThreadPool(2, null);
149		shouldThrow();
150	<	}
162	<	catch(NullPointerException success) {
163	<	}
150	>	} catch (NullPointerException success) {}
151		}
152
153		/**
154	<	* A new newFixedThreadPool with 0 threads throws IAE
154	>	* A new newFixedThreadPool with 0 threads throws IllegalArgumentException
155		*/
156		public void testNewFixedThreadPool4() {
157		try {
158		ExecutorService e = Executors.newFixedThreadPool(0);
159		shouldThrow();
160	<	}
161	<	catch(IllegalArgumentException success) {
160	>	} catch (IllegalArgumentException success) {}
161	>	}
162	>
163	>	/**
164	>	* An unconfigurable newFixedThreadPool can execute runnables
165	>	*/
166	>	public void testUnconfigurableExecutorService() {
167	>	final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
168	>	try (PoolCleaner cleaner = cleaner(e)) {
169	>	e.execute(new NoOpRunnable());
170	>	e.execute(new NoOpRunnable());
171	>	e.execute(new NoOpRunnable());
172		}
173		}
174
175	+	/**
176	+	* unconfigurableExecutorService(null) throws NPE
177	+	*/
178	+	public void testUnconfigurableExecutorServiceNPE() {
179	+	try {
180	+	ExecutorService e = Executors.unconfigurableExecutorService(null);
181	+	shouldThrow();
182	+	} catch (NullPointerException success) {}
183	+	}
184
185		/**
186	<	*  timeouts from execute will time out if they compute too long.
186	>	* unconfigurableScheduledExecutorService(null) throws NPE
187		*/
188	<	public void testTimedCallable() {
183	<	int N = 10000;
184	<	ExecutorService executor = Executors.newSingleThreadExecutor();
185	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
188	>	public void testUnconfigurableScheduledExecutorServiceNPE() {
189		try {
190	<	long startTime = System.currentTimeMillis();
191	<
192	<	long i = 0;
193	<	while (tasks.size() < N) {
194	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
195	<	i += 10;
196	<	}
197	<
198	<	int iters = 0;
199	<	BigInteger sum = BigInteger.ZERO;
200	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
201	<	try {
202	<	++iters;
203	<	sum = sum.add(it.next().call());
204	<	}
205	<	catch (TimeoutException success) {
206	<	assertTrue(iters > 0);
207	<	return;
208	<	}
209	<	catch (Exception e) {
210	<	unexpectedException();
211	<	}
212	<	}
213	<	// if by chance we didn't ever time out, total time must be small
214	<	long elapsed = System.currentTimeMillis() - startTime;
215	<	assertTrue(elapsed < N);
216	<	}
217	<	finally {
190	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
191	>	shouldThrow();
192	>	} catch (NullPointerException success) {}
193	>	}
194	>
195	>	/**
196	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
197	>	*/
198	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
199	>	final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
200	>	try (PoolCleaner cleaner = cleaner(p)) {
201	>	final CountDownLatch proceed = new CountDownLatch(1);
202	>	final Runnable task = new CheckedRunnable() {
203	>	public void realRun() {
204	>	await(proceed);
205	>	}};
206	>	long startTime = System.nanoTime();
207	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
208	>	timeoutMillis(), MILLISECONDS);
209	>	assertFalse(f.isDone());
210	>	proceed.countDown();
211	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
212	>	assertSame(Boolean.TRUE, f.get());
213	>	assertTrue(f.isDone());
214	>	assertFalse(f.isCancelled());
215	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
216	>	}
217	>	}
218	>
219	>	/**
220	>	* a newScheduledThreadPool successfully runs delayed task
221	>	*/
222	>	public void testNewScheduledThreadPool() throws Exception {
223	>	final ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
224	>	try (PoolCleaner cleaner = cleaner(p)) {
225	>	final CountDownLatch proceed = new CountDownLatch(1);
226	>	final Runnable task = new CheckedRunnable() {
227	>	public void realRun() {
228	>	await(proceed);
229	>	}};
230	>	long startTime = System.nanoTime();
231	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
232	>	timeoutMillis(), MILLISECONDS);
233	>	assertFalse(f.isDone());
234	>	proceed.countDown();
235	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
236	>	assertSame(Boolean.TRUE, f.get());
237	>	assertTrue(f.isDone());
238	>	assertFalse(f.isCancelled());
239	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
240	>	}
241	>	}
242	>
243	>	/**
244	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
245	>	*/
246	>	public void testUnconfigurableScheduledExecutorService() throws Exception {
247	>	final ScheduledExecutorService p =
248	>	Executors.unconfigurableScheduledExecutorService
249	>	(Executors.newScheduledThreadPool(2));
250	>	try (PoolCleaner cleaner = cleaner(p)) {
251	>	final CountDownLatch proceed = new CountDownLatch(1);
252	>	final Runnable task = new CheckedRunnable() {
253	>	public void realRun() {
254	>	await(proceed);
255	>	}};
256	>	long startTime = System.nanoTime();
257	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
258	>	timeoutMillis(), MILLISECONDS);
259	>	assertFalse(f.isDone());
260	>	proceed.countDown();
261	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
262	>	assertSame(Boolean.TRUE, f.get());
263	>	assertTrue(f.isDone());
264	>	assertFalse(f.isCancelled());
265	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
266	>	}
267	>	}
268	>
269	>	/**
270	>	* Future.get on submitted tasks will time out if they compute too long.
271	>	*/
272	>	public void testTimedCallable() throws Exception {
273	>	final ExecutorService[] executors = {
274	>	Executors.newSingleThreadExecutor(),
275	>	Executors.newCachedThreadPool(),
276	>	Executors.newFixedThreadPool(2),
277	>	Executors.newScheduledThreadPool(2),
278	>	};
279	>
280	>	final Runnable sleeper = new CheckedInterruptedRunnable() {
281	>	public void realRun() throws InterruptedException {
282	>	delay(LONG_DELAY_MS);
283	>	}};
284	>
285	>	List<Thread> threads = new ArrayList<>();
286	>	for (final ExecutorService executor : executors) {
287	>	threads.add(newStartedThread(new CheckedRunnable() {
288	>	public void realRun() {
289	>	Future future = executor.submit(sleeper);
290	>	assertFutureTimesOut(future);
291	>	}}));
292	>	}
293	>	for (Thread thread : threads)
294	>	awaitTermination(thread);
295	>	for (ExecutorService executor : executors)
296		joinPool(executor);
216	–	}
297		}
298
219	–
299		/**
300		* ThreadPoolExecutor using defaultThreadFactory has
301		* specified group, priority, daemon status, and name
302		*/
303	<	public void testDefaultThreadFactory() {
303	>	public void testDefaultThreadFactory() throws Exception {
304		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
305	<	Runnable r = new Runnable() {
306	<	public void run() {
305	>	final CountDownLatch done = new CountDownLatch(1);
306	>	Runnable r = new CheckedRunnable() {
307	>	public void realRun() {
308	>	try {
309		Thread current = Thread.currentThread();
310	<	threadAssertTrue(!current.isDaemon());
311	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
231	<	ThreadGroup g = current.getThreadGroup();
310	>	assertFalse(current.isDaemon());
311	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
312		SecurityManager s = System.getSecurityManager();
313	<	if (s != null)
314	<	threadAssertTrue(g == s.getThreadGroup());
315	<	else
316	<	threadAssertTrue(g == egroup);
317	<	String name = current.getName();
238	<	threadAssertTrue(name.endsWith("thread-1"));
313	>	assertSame(current.getThreadGroup(),
314	>	(s == null) ? egroup : s.getThreadGroup());
315	>	assertTrue(current.getName().endsWith("thread-1"));
316	>	} catch (SecurityException ok) {
317	>	// Also pass if not allowed to change setting
318		}
319	<	};
319	>	done.countDown();
320	>	}};
321		ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
322	<
323	<	e.execute(r);
324	<	e.shutdown();
245	<	try {
246	<	Thread.sleep(SHORT_DELAY_MS);
247	<	} catch (Exception eX) {
248	<	unexpectedException();
249	<	} finally {
250	<	joinPool(e);
322	>	try (PoolCleaner cleaner = cleaner(e)) {
323	>	e.execute(r);
324	>	await(done);
325		}
326		}
327
#	Line 256 | Line 330 | public class ExecutorsTest extends JSR16
330		* specified group, priority, daemon status, name,
331		* access control context and context class loader
332		*/
333	<	public void testPrivilegedThreadFactory() {
334	<	Policy savedPolicy = Policy.getPolicy();
335	<	AdjustablePolicy policy = new AdjustablePolicy();
336	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
337	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
338	<	Policy.setPolicy(policy);
339	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
340	<	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
341	<	final AccessControlContext thisacc = AccessController.getContext();
342	<	Runnable r = new Runnable() {
343	<	public void run() {
344	<	Thread current = Thread.currentThread();
345	<	threadAssertTrue(!current.isDaemon());
346	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
347	<	ThreadGroup g = current.getThreadGroup();
348	<	SecurityManager s = System.getSecurityManager();
349	<	if (s != null)
350	<	threadAssertTrue(g == s.getThreadGroup());
351	<	else
352	<	threadAssertTrue(g == egroup);
353	<	String name = current.getName();
354	<	threadAssertTrue(name.endsWith("thread-1"));
355	<	threadAssertTrue(thisccl == current.getContextClassLoader());
356	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
333	>	public void testPrivilegedThreadFactory() throws Exception {
334	>	final CountDownLatch done = new CountDownLatch(1);
335	>	Runnable r = new CheckedRunnable() {
336	>	public void realRun() throws Exception {
337	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
338	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
339	>	final AccessControlContext thisacc = AccessController.getContext();
340	>	Runnable r = new CheckedRunnable() {
341	>	public void realRun() {
342	>	Thread current = Thread.currentThread();
343	>	assertFalse(current.isDaemon());
344	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
345	>	SecurityManager s = System.getSecurityManager();
346	>	assertSame(current.getThreadGroup(),
347	>	(s == null) ? egroup : s.getThreadGroup());
348	>	assertTrue(current.getName().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	>	try (PoolCleaner cleaner = cleaner(e)) {
355	>	e.execute(r);
356	>	await(done);
357		}
358	<	};
359	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
360	<
361	<	Policy.setPolicy(savedPolicy);
362	<	e.execute(r);
363	<	e.shutdown();
364	<	try {
365	<	Thread.sleep(SHORT_DELAY_MS);
366	<	} catch (Exception ex) {
367	<	unexpectedException();
368	<	} finally {
369	<	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	>	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	+	}
386	+
387	+	class CheckCCL implements Callable<Object> {
388	+	public Object call() {
389	+	checkCCL();
390	+	return null;
391	+	}
392	+	}
393
394	+	/**
395	+	* Without class loader permissions, creating
396	+	* privilegedCallableUsingCurrentClassLoader throws ACE
397	+	*/
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	+	* With class loader permissions, calling
414	+	* privilegedCallableUsingCurrentClassLoader does not throw ACE
415	+	*/
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	+	* Without permissions, calling privilegedCallable throws ACE
431	+	*/
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	+	* With permissions, calling privilegedCallable succeeds
503	+	*/
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	+	* callable(PrivilegedAction) returns its result when called
533	+	*/
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	+	* callable(null Runnable) throws NPE
551	+	*/
552	+	public void testCallableNPE1() {
553	+	try {
554	+	Callable c = Executors.callable((Runnable) null);
555	+	shouldThrow();
556	+	} catch (NullPointerException success) {}
557	+	}
558	+
559	+	/**
560	+	* callable(null, result) throws NPE
561	+	*/
562	+	public void testCallableNPE2() {
563	+	try {
564	+	Callable c = Executors.callable((Runnable) null, one);
565	+	shouldThrow();
566	+	} catch (NullPointerException success) {}
567	+	}
568	+
569	+	/**
570	+	* callable(null PrivilegedAction) throws NPE
571	+	*/
572	+	public void testCallableNPE3() {
573	+	try {
574	+	Callable c = Executors.callable((PrivilegedAction) null);
575	+	shouldThrow();
576	+	} catch (NullPointerException success) {}
577	+	}
578	+
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		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines