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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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public class ExecutorsTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(ExecutorsTest.class); |
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* a newSingleThreadScheduledExecutor successfully runs delayed task |
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*/ |
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public void testNewSingleThreadScheduledExecutor() throws Exception { |
184 |
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TrackedCallable callable = new TrackedCallable(); |
185 |
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ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
186 |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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joinPool(p1); |
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ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
185 |
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try { |
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final CountDownLatch done = new CountDownLatch(1); |
187 |
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final Runnable task = new CheckedRunnable() { |
188 |
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public void realRun() { |
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done.countDown(); |
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}}; |
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Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
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SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(f.isDone()); |
194 |
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assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get()); |
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assertTrue(f.isDone()); |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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/** |
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* a newScheduledThreadPool successfully runs delayed task |
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*/ |
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public void testnewScheduledThreadPool() throws Exception { |
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TrackedCallable callable = new TrackedCallable(); |
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ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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joinPool(p1); |
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ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
208 |
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try { |
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final CountDownLatch done = new CountDownLatch(1); |
210 |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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}}; |
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Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
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SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(f.isDone()); |
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assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get()); |
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assertTrue(f.isDone()); |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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/** |
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* an unconfigurable newScheduledThreadPool successfully runs delayed task |
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*/ |
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public void testunconfigurableScheduledExecutorService() throws Exception { |
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TrackedCallable callable = new TrackedCallable(); |
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ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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joinPool(p1); |
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ScheduledExecutorService p = |
231 |
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Executors.unconfigurableScheduledExecutorService |
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(Executors.newScheduledThreadPool(2)); |
233 |
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try { |
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final CountDownLatch done = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
236 |
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public void realRun() { |
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done.countDown(); |
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}}; |
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Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
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SHORT_DELAY_MS, MILLISECONDS); |
241 |
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assertFalse(f.isDone()); |
242 |
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assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); |
244 |
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assertSame(Boolean.TRUE, f.get()); |
245 |
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assertTrue(f.isDone()); |
246 |
> |
} finally { |
247 |
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joinPool(p); |
248 |
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} |
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} |
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|
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/** |
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* Future.get on submitted tasks will time out if they compute too long. |
252 |
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* Future.get on submitted tasks will time out if they compute too long. |
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*/ |
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public void testTimedCallable() throws Exception { |
255 |
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final Runnable sleeper = |
256 |
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new RunnableShouldThrow(InterruptedException.class) { |
257 |
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public void realRun() throws InterruptedException { |
258 |
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Thread.sleep(LONG_DELAY_MS); |
230 |
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}}; |
255 |
> |
final Runnable sleeper = new CheckedInterruptedRunnable() { |
256 |
> |
public void realRun() throws InterruptedException { |
257 |
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Thread.sleep(LONG_DELAY_MS); |
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}}; |
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for (ExecutorService executor : |
260 |
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new ExecutorService[] { |
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Executors.newSingleThreadExecutor(), |
286 |
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*/ |
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public void testDefaultThreadFactory() throws Exception { |
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final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
289 |
< |
Runnable r = new Runnable() { |
290 |
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public void run() { |
291 |
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try { |
292 |
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Thread current = Thread.currentThread(); |
293 |
< |
threadAssertTrue(!current.isDaemon()); |
294 |
< |
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
295 |
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ThreadGroup g = current.getThreadGroup(); |
296 |
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SecurityManager s = System.getSecurityManager(); |
297 |
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if (s != null) |
298 |
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threadAssertTrue(g == s.getThreadGroup()); |
299 |
< |
else |
300 |
< |
threadAssertTrue(g == egroup); |
301 |
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String name = current.getName(); |
302 |
< |
threadAssertTrue(name.endsWith("thread-1")); |
303 |
< |
} catch (SecurityException ok) { |
304 |
< |
// Also pass if not allowed to change setting |
277 |
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} |
289 |
> |
Runnable r = new CheckedRunnable() { |
290 |
> |
public void realRun() { |
291 |
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try { |
292 |
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Thread current = Thread.currentThread(); |
293 |
> |
assertTrue(!current.isDaemon()); |
294 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
295 |
> |
ThreadGroup g = current.getThreadGroup(); |
296 |
> |
SecurityManager s = System.getSecurityManager(); |
297 |
> |
if (s != null) |
298 |
> |
assertTrue(g == s.getThreadGroup()); |
299 |
> |
else |
300 |
> |
assertTrue(g == egroup); |
301 |
> |
String name = current.getName(); |
302 |
> |
assertTrue(name.endsWith("thread-1")); |
303 |
> |
} catch (SecurityException ok) { |
304 |
> |
// Also pass if not allowed to change setting |
305 |
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} |
306 |
< |
}; |
306 |
> |
}}; |
307 |
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ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
308 |
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|
309 |
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e.execute(r); |
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* access control context and context class loader |
326 |
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*/ |
327 |
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public void testPrivilegedThreadFactory() throws Exception { |
328 |
< |
Policy savedPolicy = null; |
329 |
< |
try { |
330 |
< |
savedPolicy = Policy.getPolicy(); |
331 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
332 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
333 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
334 |
< |
Policy.setPolicy(policy); |
308 |
< |
} catch (AccessControlException ok) { |
309 |
< |
return; |
310 |
< |
} |
311 |
< |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
312 |
< |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
313 |
< |
final AccessControlContext thisacc = AccessController.getContext(); |
314 |
< |
Runnable r = new Runnable() { |
315 |
< |
public void run() { |
316 |
< |
try { |
328 |
> |
Runnable r = new CheckedRunnable() { |
329 |
> |
public void realRun() throws Exception { |
330 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
331 |
> |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
332 |
> |
final AccessControlContext thisacc = AccessController.getContext(); |
333 |
> |
Runnable r = new CheckedRunnable() { |
334 |
> |
public void realRun() { |
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Thread current = Thread.currentThread(); |
336 |
< |
threadAssertTrue(!current.isDaemon()); |
337 |
< |
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
336 |
> |
assertTrue(!current.isDaemon()); |
337 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
338 |
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ThreadGroup g = current.getThreadGroup(); |
339 |
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SecurityManager s = System.getSecurityManager(); |
340 |
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if (s != null) |
341 |
< |
threadAssertTrue(g == s.getThreadGroup()); |
341 |
> |
assertTrue(g == s.getThreadGroup()); |
342 |
|
else |
343 |
< |
threadAssertTrue(g == egroup); |
343 |
> |
assertTrue(g == egroup); |
344 |
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String name = current.getName(); |
345 |
< |
threadAssertTrue(name.endsWith("thread-1")); |
346 |
< |
threadAssertTrue(thisccl == current.getContextClassLoader()); |
347 |
< |
threadAssertTrue(thisacc.equals(AccessController.getContext())); |
348 |
< |
} catch (SecurityException ok) { |
349 |
< |
// Also pass if not allowed to change settings |
350 |
< |
} |
351 |
< |
} |
352 |
< |
}; |
353 |
< |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
345 |
> |
assertTrue(name.endsWith("thread-1")); |
346 |
> |
assertSame(thisccl, current.getContextClassLoader()); |
347 |
> |
assertEquals(thisacc, AccessController.getContext()); |
348 |
> |
}}; |
349 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
350 |
> |
e.execute(r); |
351 |
> |
e.shutdown(); |
352 |
> |
Thread.sleep(SHORT_DELAY_MS); |
353 |
> |
joinPool(e); |
354 |
> |
}}; |
355 |
> |
|
356 |
> |
runWithPermissions(r, |
357 |
> |
new RuntimePermission("getClassLoader"), |
358 |
> |
new RuntimePermission("setContextClassLoader"), |
359 |
> |
new RuntimePermission("modifyThread")); |
360 |
> |
} |
361 |
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|
362 |
< |
Policy.setPolicy(savedPolicy); |
363 |
< |
e.execute(r); |
364 |
< |
try { |
365 |
< |
e.shutdown(); |
366 |
< |
} catch (SecurityException ok) { |
367 |
< |
} |
368 |
< |
try { |
369 |
< |
Thread.sleep(SHORT_DELAY_MS); |
370 |
< |
} finally { |
346 |
< |
joinPool(e); |
362 |
> |
boolean haveCCLPermissions() { |
363 |
> |
SecurityManager sm = System.getSecurityManager(); |
364 |
> |
if (sm != null) { |
365 |
> |
try { |
366 |
> |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
367 |
> |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
368 |
> |
} catch (AccessControlException e) { |
369 |
> |
return false; |
370 |
> |
} |
371 |
|
} |
372 |
+ |
return true; |
373 |
|
} |
374 |
|
|
375 |
|
void checkCCL() { |
393 |
|
* privilegedCallableUsingCurrentClassLoader throws ACE |
394 |
|
*/ |
395 |
|
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
396 |
< |
Policy savedPolicy = null; |
397 |
< |
try { |
398 |
< |
savedPolicy = Policy.getPolicy(); |
399 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
400 |
< |
Policy.setPolicy(policy); |
401 |
< |
} catch (AccessControlException ok) { |
402 |
< |
return; |
403 |
< |
} |
404 |
< |
|
380 |
< |
// Check if program still has too many permissions to run test |
381 |
< |
try { |
382 |
< |
checkCCL(); |
383 |
< |
// too many privileges to test; so return |
384 |
< |
Policy.setPolicy(savedPolicy); |
385 |
< |
return; |
386 |
< |
} catch (AccessControlException ok) { |
387 |
< |
} |
396 |
> |
Runnable r = new CheckedRunnable() { |
397 |
> |
public void realRun() throws Exception { |
398 |
> |
if (System.getSecurityManager() == null) |
399 |
> |
return; |
400 |
> |
try { |
401 |
> |
Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
402 |
> |
shouldThrow(); |
403 |
> |
} catch (AccessControlException success) {} |
404 |
> |
}}; |
405 |
|
|
406 |
< |
try { |
390 |
< |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
391 |
< |
shouldThrow(); |
392 |
< |
} catch (AccessControlException success) { |
393 |
< |
} finally { |
394 |
< |
Policy.setPolicy(savedPolicy); |
395 |
< |
} |
406 |
> |
runWithoutPermissions(r); |
407 |
|
} |
408 |
|
|
409 |
|
/** |
411 |
|
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
412 |
|
*/ |
413 |
|
public void testprivilegedCallableUsingCCLWithPrivs() throws Exception { |
414 |
< |
Policy savedPolicy = null; |
415 |
< |
try { |
416 |
< |
savedPolicy = Policy.getPolicy(); |
417 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
418 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
419 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
420 |
< |
Policy.setPolicy(policy); |
421 |
< |
} catch (AccessControlException ok) { |
422 |
< |
return; |
423 |
< |
} |
413 |
< |
|
414 |
< |
try { |
415 |
< |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
416 |
< |
task.call(); |
417 |
< |
} |
418 |
< |
finally { |
419 |
< |
Policy.setPolicy(savedPolicy); |
420 |
< |
} |
414 |
> |
Runnable r = new CheckedRunnable() { |
415 |
> |
public void realRun() throws Exception { |
416 |
> |
Executors.privilegedCallableUsingCurrentClassLoader |
417 |
> |
(new NoOpCallable()) |
418 |
> |
.call(); |
419 |
> |
}}; |
420 |
> |
|
421 |
> |
runWithPermissions(r, |
422 |
> |
new RuntimePermission("getClassLoader"), |
423 |
> |
new RuntimePermission("setContextClassLoader")); |
424 |
|
} |
425 |
|
|
426 |
|
/** |
427 |
|
* Without permissions, calling privilegedCallable throws ACE |
428 |
|
*/ |
429 |
|
public void testprivilegedCallableWithNoPrivs() throws Exception { |
430 |
< |
Callable task; |
431 |
< |
Policy savedPolicy = null; |
429 |
< |
AdjustablePolicy policy = null; |
430 |
< |
AccessControlContext noprivAcc = null; |
431 |
< |
try { |
432 |
< |
savedPolicy = Policy.getPolicy(); |
433 |
< |
policy = new AdjustablePolicy(); |
434 |
< |
Policy.setPolicy(policy); |
435 |
< |
noprivAcc = AccessController.getContext(); |
436 |
< |
task = Executors.privilegedCallable(new CheckCCL()); |
437 |
< |
Policy.setPolicy(savedPolicy); |
438 |
< |
} catch (AccessControlException ok) { |
439 |
< |
return; // program has too few permissions to set up test |
440 |
< |
} |
430 |
> |
// Avoid classloader-related SecurityExceptions in swingui.TestRunner |
431 |
> |
Executors.privilegedCallable(new CheckCCL()); |
432 |
|
|
433 |
< |
// Make sure that program doesn't have too many permissions |
434 |
< |
try { |
435 |
< |
AccessController.doPrivileged(new PrivilegedAction() { |
436 |
< |
public Object run() { |
437 |
< |
checkCCL(); |
438 |
< |
return null; |
439 |
< |
}}, noprivAcc); |
440 |
< |
// too many permssions; skip test |
441 |
< |
return; |
442 |
< |
} catch (AccessControlException ok) { |
452 |
< |
} |
433 |
> |
Runnable r = new CheckedRunnable() { |
434 |
> |
public void realRun() throws Exception { |
435 |
> |
if (System.getSecurityManager() == null) |
436 |
> |
return; |
437 |
> |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
438 |
> |
try { |
439 |
> |
task.call(); |
440 |
> |
shouldThrow(); |
441 |
> |
} catch (AccessControlException success) {} |
442 |
> |
}}; |
443 |
|
|
444 |
< |
try { |
445 |
< |
task.call(); |
446 |
< |
shouldThrow(); |
447 |
< |
} catch (AccessControlException success) {} |
444 |
> |
runWithoutPermissions(r); |
445 |
> |
|
446 |
> |
// It seems rather difficult to test that the |
447 |
> |
// AccessControlContext of the privilegedCallable is used |
448 |
> |
// instead of its caller. Below is a failed attempt to do |
449 |
> |
// that, which does not work because the AccessController |
450 |
> |
// cannot capture the internal state of the current Policy. |
451 |
> |
// It would be much more work to differentiate based on, |
452 |
> |
// e.g. CodeSource. |
453 |
> |
|
454 |
> |
// final AccessControlContext[] noprivAcc = new AccessControlContext[1]; |
455 |
> |
// final Callable[] task = new Callable[1]; |
456 |
> |
|
457 |
> |
// runWithPermissions |
458 |
> |
// (new CheckedRunnable() { |
459 |
> |
// public void realRun() { |
460 |
> |
// if (System.getSecurityManager() == null) |
461 |
> |
// return; |
462 |
> |
// noprivAcc[0] = AccessController.getContext(); |
463 |
> |
// task[0] = Executors.privilegedCallable(new CheckCCL()); |
464 |
> |
// try { |
465 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
466 |
> |
// public Void run() { |
467 |
> |
// checkCCL(); |
468 |
> |
// return null; |
469 |
> |
// }}, noprivAcc[0]); |
470 |
> |
// shouldThrow(); |
471 |
> |
// } catch (AccessControlException success) {} |
472 |
> |
// }}); |
473 |
> |
|
474 |
> |
// runWithPermissions |
475 |
> |
// (new CheckedRunnable() { |
476 |
> |
// public void realRun() throws Exception { |
477 |
> |
// if (System.getSecurityManager() == null) |
478 |
> |
// return; |
479 |
> |
// // Verify that we have an underprivileged ACC |
480 |
> |
// try { |
481 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
482 |
> |
// public Void run() { |
483 |
> |
// checkCCL(); |
484 |
> |
// return null; |
485 |
> |
// }}, noprivAcc[0]); |
486 |
> |
// shouldThrow(); |
487 |
> |
// } catch (AccessControlException success) {} |
488 |
> |
|
489 |
> |
// try { |
490 |
> |
// task[0].call(); |
491 |
> |
// shouldThrow(); |
492 |
> |
// } catch (AccessControlException success) {} |
493 |
> |
// }}, |
494 |
> |
// new RuntimePermission("getClassLoader"), |
495 |
> |
// new RuntimePermission("setContextClassLoader")); |
496 |
|
} |
497 |
|
|
498 |
|
/** |
499 |
|
* With permissions, calling privilegedCallable succeeds |
500 |
|
*/ |
501 |
|
public void testprivilegedCallableWithPrivs() throws Exception { |
502 |
< |
Policy savedPolicy = null; |
503 |
< |
try { |
504 |
< |
savedPolicy = Policy.getPolicy(); |
505 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
506 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
507 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
508 |
< |
Policy.setPolicy(policy); |
509 |
< |
} catch (AccessControlException ok) { |
472 |
< |
return; |
473 |
< |
} |
474 |
< |
|
475 |
< |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
476 |
< |
try { |
477 |
< |
task.call(); |
478 |
< |
} finally { |
479 |
< |
Policy.setPolicy(savedPolicy); |
480 |
< |
} |
502 |
> |
Runnable r = new CheckedRunnable() { |
503 |
> |
public void realRun() throws Exception { |
504 |
> |
Executors.privilegedCallable(new CheckCCL()).call(); |
505 |
> |
}}; |
506 |
> |
|
507 |
> |
runWithPermissions(r, |
508 |
> |
new RuntimePermission("getClassLoader"), |
509 |
> |
new RuntimePermission("setContextClassLoader")); |
510 |
|
} |
511 |
|
|
512 |
|
/** |