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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.8 by dl, Sat Nov 1 18:37:02 2003 UTC vs.
Revision 1.13 by dl, Mon Jan 19 15:49:02 2004 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9
#	Line 14 | Line 15 | import java.security.*;
15
16		public class ExecutorsTest extends JSR166TestCase{
17		public static void main(String[] args) {
18	<	junit.textui.TestRunner.run (suite());
18	>	junit.textui.TestRunner.run (suite());
19		}
20		public static Test suite() {
21	<	return new TestSuite(ExecutorsTest.class);
21	<	}
22	<
23	<	private static final String TEST_STRING = "a test string";
24	<
25	<	private static class StringTask implements Callable<String> {
26	<	public String call() { return TEST_STRING; }
27	<	}
28	<
29	<	static class DirectExecutor implements Executor {
30	<	public void execute(Runnable r) {
31	<	r.run();
32	<	}
21	>	return new TestSuite(ExecutorsTest.class);
22		}
23
24		static class TimedCallable<T> implements Callable<T> {
25	<	private final Executor exec;
25	>	private final ExecutorService exec;
26		private final Callable<T> func;
27		private final long msecs;
28
29	<	TimedCallable(Executor exec, Callable<T> func, long msecs) {
29	>	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
30		this.exec = exec;
31		this.func = func;
32		this.msecs = msecs;
33		}
34
35		public T call() throws Exception {
36	<	Future<T> ftask = Executors.execute(exec, func);
36	>	Future<T> ftask = exec.submit(func);
37		try {
38		return ftask.get(msecs, TimeUnit.MILLISECONDS);
39		} finally {
#	Line 142 | Line 131 | public class ExecutorsTest extends JSR16
131		}
132
133		/**
134	+	* A new SingleThreadExecutor cannot be casted to concrete implementation
135	+	*/
136	+	public void testCastNewSingleThreadExecutor() {
137	+	ExecutorService e = Executors.newSingleThreadExecutor();
138	+	try {
139	+	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
140	+	} catch (ClassCastException success) {
141	+	} finally {
142	+	joinPool(e);
143	+	}
144	+	}
145	+
146	+
147	+	/**
148		* A new newFixedThreadPool can execute runnables
149		*/
150		public void testNewFixedThreadPool1() {
#	Line 187 | Line 190 | public class ExecutorsTest extends JSR16
190		}
191		}
192
193	+
194		/**
195	<	* execute of runnable runs it to completion
195	>	* An unconfigurable newFixedThreadPool can execute runnables
196		*/
197	<	public void testExecuteRunnable() {
198	<	try {
199	<	Executor e = new DirectExecutor();
200	<	TrackedShortRunnable task = new TrackedShortRunnable();
201	<	assertFalse(task.done);
202	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
199	<	String result = future.get();
200	<	assertTrue(task.done);
201	<	assertSame(TEST_STRING, result);
202	<	}
203	<	catch (ExecutionException ex) {
204	<	unexpectedException();
205	<	}
206	<	catch (InterruptedException ex) {
207	<	unexpectedException();
208	<	}
197	>	public void testunconfigurableExecutorService() {
198	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
199	>	e.execute(new NoOpRunnable());
200	>	e.execute(new NoOpRunnable());
201	>	e.execute(new NoOpRunnable());
202	>	e.shutdown();
203		}
204
205		/**
206	<	* invoke of a runnable runs it to completion
206	>	* unconfigurableExecutorService(null) throws NPE
207		*/
208	<	public void testInvokeRunnable() {
208	>	public void testunconfigurableExecutorServiceNPE() {
209		try {
210	<	Executor e = new DirectExecutor();
217	<	TrackedShortRunnable task = new TrackedShortRunnable();
218	<	assertFalse(task.done);
219	<	Executors.invoke(e, task);
220	<	assertTrue(task.done);
210	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
211		}
212	<	catch (ExecutionException ex) {
223	<	unexpectedException();
224	<	}
225	<	catch (InterruptedException ex) {
226	<	unexpectedException();
212	>	catch (NullPointerException success) {
213		}
214		}
215
216		/**
217	<	* execute of a callable runs it to completion
217	>	* unconfigurableScheduledExecutorService(null) throws NPE
218		*/
219	<	public void testExecuteCallable() {
219	>	public void testunconfigurableScheduledExecutorServiceNPE() {
220		try {
221	<	Executor e = new DirectExecutor();
236	<	Future<String> future = Executors.execute(e, new StringTask());
237	<	String result = future.get();
238	<	assertSame(TEST_STRING, result);
239	<	}
240	<	catch (ExecutionException ex) {
241	<	unexpectedException();
221	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
222		}
223	<	catch (InterruptedException ex) {
244	<	unexpectedException();
223	>	catch (NullPointerException success) {
224		}
225		}
226
227
228		/**
229	<	* execute of a privileged action runs it to completion
229	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
230		*/
231	<	public void testExecutePrivilegedAction() {
232	<	Policy savedPolicy = Policy.getPolicy();
233	<	AdjustablePolicy policy = new AdjustablePolicy();
234	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
235	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
236	<	Policy.setPolicy(policy);
237	<	try {
238	<	Executor e = new DirectExecutor();
239	<	Future future = Executors.execute(e, new PrivilegedAction() {
240	<	public Object run() {
241	<	return TEST_STRING;
242	<	}});
243	<
244	<	Object result = future.get();
266	<	assertSame(TEST_STRING, result);
267	<	}
268	<	catch (ExecutionException ex) {
269	<	unexpectedException();
270	<	}
271	<	catch (InterruptedException ex) {
231	>	public void testNewSingleThreadScheduledExecutor() {
232	>	try {
233	>	TrackedCallable callable = new TrackedCallable();
234	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
235	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
236	>	assertFalse(callable.done);
237	>	Thread.sleep(MEDIUM_DELAY_MS);
238	>	assertTrue(callable.done);
239	>	assertEquals(Boolean.TRUE, f.get());
240	>	p1.shutdown();
241	>	joinPool(p1);
242	>	} catch(RejectedExecutionException e){}
243	>	catch(Exception e){
244	>	e.printStackTrace();
245		unexpectedException();
246		}
274	–	finally {
275	–	Policy.setPolicy(savedPolicy);
276	–	}
247		}
248
249		/**
250	<	* execute of a privileged exception action runs it to completion
250	>	* a newScheduledThreadPool successfully runs delayed task
251		*/
252	<	public void testExecutePrivilegedExceptionAction() {
253	<	Policy savedPolicy = Policy.getPolicy();
254	<	AdjustablePolicy policy = new AdjustablePolicy();
255	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
256	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
257	<	Policy.setPolicy(policy);
258	<	try {
259	<	Executor e = new DirectExecutor();
260	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
261	<	public Object run() {
262	<	return TEST_STRING;
263	<	}});
264	<
265	<	Object result = future.get();
296	<	assertSame(TEST_STRING, result);
297	<	}
298	<	catch (ExecutionException ex) {
299	<	unexpectedException();
300	<	}
301	<	catch (InterruptedException ex) {
252	>	public void testnewScheduledThreadPool() {
253	>	try {
254	>	TrackedCallable callable = new TrackedCallable();
255	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
256	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
257	>	assertFalse(callable.done);
258	>	Thread.sleep(MEDIUM_DELAY_MS);
259	>	assertTrue(callable.done);
260	>	assertEquals(Boolean.TRUE, f.get());
261	>	p1.shutdown();
262	>	joinPool(p1);
263	>	} catch(RejectedExecutionException e){}
264	>	catch(Exception e){
265	>	e.printStackTrace();
266		unexpectedException();
267		}
304	–	finally {
305	–	Policy.setPolicy(savedPolicy);
306	–	}
268		}
269
270		/**
271	<	* execute of a failed privileged exception action reports exception
271	>	* an unconfigurable  newScheduledThreadPool successfully runs delayed task
272		*/
273	<	public void testExecuteFailedPrivilegedExceptionAction() {
274	<	Policy savedPolicy = Policy.getPolicy();
275	<	AdjustablePolicy policy = new AdjustablePolicy();
276	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
277	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
278	<	Policy.setPolicy(policy);
279	<	try {
280	<	Executor e = new DirectExecutor();
281	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
282	<	public Object run() throws Exception {
283	<	throw new IndexOutOfBoundsException();
284	<	}});
285	<
286	<	Object result = future.get();
326	<	shouldThrow();
327	<	}
328	<	catch (ExecutionException success) {
329	<	}
330	<	catch (InterruptedException ex) {
273	>	public void testunconfigurableScheduledExecutorService() {
274	>	try {
275	>	TrackedCallable callable = new TrackedCallable();
276	>	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
277	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
278	>	assertFalse(callable.done);
279	>	Thread.sleep(MEDIUM_DELAY_MS);
280	>	assertTrue(callable.done);
281	>	assertEquals(Boolean.TRUE, f.get());
282	>	p1.shutdown();
283	>	joinPool(p1);
284	>	} catch(RejectedExecutionException e){}
285	>	catch(Exception e){
286	>	e.printStackTrace();
287		unexpectedException();
288		}
333	–	finally {
334	–	Policy.setPolicy(savedPolicy);
335	–	}
289		}
290
291		/**
292	<	* invoke of a collable runs it to completion
292	>	*  timeouts from execute will time out if they compute too long.
293		*/
294	<	public void testInvokeCallable() {
294	>	public void testTimedCallable() {
295	>	int N = 10000;
296	>	ExecutorService executor = Executors.newSingleThreadExecutor();
297	>	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
298		try {
299	<	Executor e = new DirectExecutor();
300	<	String result = Executors.invoke(e, new StringTask());
301	<
302	<	assertSame(TEST_STRING, result);
303	<	}
304	<	catch (ExecutionException ex) {
305	<	unexpectedException();
299	>	long startTime = System.currentTimeMillis();
300	>
301	>	long i = 0;
302	>	while (tasks.size() < N) {
303	>	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
304	>	i += 10;
305	>	}
306	>
307	>	int iters = 0;
308	>	BigInteger sum = BigInteger.ZERO;
309	>	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
310	>	try {
311	>	++iters;
312	>	sum = sum.add(it.next().call());
313	>	}
314	>	catch (TimeoutException success) {
315	>	assertTrue(iters > 0);
316	>	return;
317	>	}
318	>	catch (Exception e) {
319	>	unexpectedException();
320	>	}
321	>	}
322	>	// if by chance we didn't ever time out, total time must be small
323	>	long elapsed = System.currentTimeMillis() - startTime;
324	>	assertTrue(elapsed < N);
325		}
326	<	catch (InterruptedException ex) {
327	<	unexpectedException();
326	>	finally {
327	>	joinPool(executor);
328		}
329		}
330
331	+
332		/**
333	<	* execute with null executor throws NPE
333	>	* ThreadPoolExecutor using defaultThreadFactory has
334	>	* specified group, priority, daemon status, and name
335		*/
336	<	public void testNullExecuteRunnable() {
336	>	public void testDefaultThreadFactory() {
337	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
338	>	Runnable r = new Runnable() {
339	>	public void run() {
340	>	try {
341	>	Thread current = Thread.currentThread();
342	>	threadAssertTrue(!current.isDaemon());
343	>	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
344	>	ThreadGroup g = current.getThreadGroup();
345	>	SecurityManager s = System.getSecurityManager();
346	>	if (s != null)
347	>	threadAssertTrue(g == s.getThreadGroup());
348	>	else
349	>	threadAssertTrue(g == egroup);
350	>	String name = current.getName();
351	>	threadAssertTrue(name.endsWith("thread-1"));
352	>	} catch (SecurityException ok) {
353	>	// Also pass if not allowed to change setting
354	>	}
355	>	}
356	>	};
357	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
358	>
359	>	e.execute(r);
360	>	e.shutdown();
361		try {
362	<	TrackedShortRunnable task = new TrackedShortRunnable();
363	<	assertFalse(task.done);
363	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
364	<	shouldThrow();
365	<	}
366	<	catch (NullPointerException success) {
367	<	}
368	<	catch (Exception ex) {
362	>	Thread.sleep(SHORT_DELAY_MS);
363	>	} catch (Exception eX) {
364		unexpectedException();
365	+	} finally {
366	+	joinPool(e);
367		}
368		}
369
370		/**
371	<	* execute with a null runnable throws NPE
371	>	* ThreadPoolExecutor using privilegedThreadFactory has
372	>	* specified group, priority, daemon status, name,
373	>	* access control context and context class loader
374		*/
375	<	public void testExecuteNullRunnable() {
375	>	public void testPrivilegedThreadFactory() {
376	>	Policy savedPolicy = Policy.getPolicy();
377	>	AdjustablePolicy policy = new AdjustablePolicy();
378	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
379	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
380	>	Policy.setPolicy(policy);
381	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
382	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
383	>	final AccessControlContext thisacc = AccessController.getContext();
384	>	Runnable r = new Runnable() {
385	>	public void run() {
386	>	try {
387	>	Thread current = Thread.currentThread();
388	>	threadAssertTrue(!current.isDaemon());
389	>	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
390	>	ThreadGroup g = current.getThreadGroup();
391	>	SecurityManager s = System.getSecurityManager();
392	>	if (s != null)
393	>	threadAssertTrue(g == s.getThreadGroup());
394	>	else
395	>	threadAssertTrue(g == egroup);
396	>	String name = current.getName();
397	>	threadAssertTrue(name.endsWith("thread-1"));
398	>	threadAssertTrue(thisccl == current.getContextClassLoader());
399	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
400	>	} catch(SecurityException ok) {
401	>	// Also pass if not allowed to change settings
402	>	}
403	>	};
404	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
405	>
406	>	Policy.setPolicy(savedPolicy);
407	>	e.execute(r);
408	>	e.shutdown();
409		try {
410	<	Executor e = new DirectExecutor();
411	<	TrackedShortRunnable task = null;
380	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
381	<	shouldThrow();
382	<	}
383	<	catch (NullPointerException success) {
384	<	}
385	<	catch (Exception ex) {
410	>	Thread.sleep(SHORT_DELAY_MS);
411	>	} catch (Exception ex) {
412		unexpectedException();
413	+	} finally {
414	+	joinPool(e);
415		}
416	+
417		}
418
419	<	/**
420	<	* invoke of a null runnable throws NPE
421	<	*/
422	<	public void testInvokeNullRunnable() {
423	<	try {
395	<	Executor e = new DirectExecutor();
396	<	TrackedShortRunnable task = null;
397	<	Executors.invoke(e, task);
398	<	shouldThrow();
399	<	}
400	<	catch (NullPointerException success) {
401	<	}
402	<	catch (Exception ex) {
403	<	unexpectedException();
419	>	static class CheckCCL implements Callable<Object> {
420	>	public Object call() {
421	>	AccessControlContext acc = AccessController.getContext();
422	>	acc.checkPermission(new RuntimePermission("getContextClassLoader"));
423	>	return null;
424		}
425		}
426
427	+
428		/**
429	<	* execute of a null callable throws NPE
429	>	* Without class loader permissions, creating
430	>	* privilegedCallableUsingCurrentClassLoader throws ACE
431		*/
432	<	public void testExecuteNullCallable() {
432	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
433	>	Policy savedPolicy = Policy.getPolicy();
434	>	AdjustablePolicy policy = new AdjustablePolicy();
435	>	Policy.setPolicy(policy);
436		try {
437	<	Executor e = new DirectExecutor();
413	<	StringTask t = null;
414	<	Future<String> future = Executors.execute(e, t);
437	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
438		shouldThrow();
439	<	}
440	<	catch (NullPointerException success) {
418	<	}
419	<	catch (Exception ex) {
439	>	} catch(AccessControlException success) {
440	>	} catch(Exception ex) {
441		unexpectedException();
442	+	}
443	+	finally {
444	+	Policy.setPolicy(savedPolicy);
445		}
446		}
447
448		/**
449	<	* invoke of a null callable throws NPE
449	>	* Without class loader permissions, calling
450	>	* privilegedCallableUsingCurrentClassLoader throws ACE
451		*/
452	<	public void testInvokeNullCallable() {
452	>	public void testprivilegedCallableUsingCCLWithPrivs() {
453	>	Policy savedPolicy = Policy.getPolicy();
454	>	AdjustablePolicy policy = new AdjustablePolicy();
455	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
456	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
457	>	Policy.setPolicy(policy);
458		try {
459	<	Executor e = new DirectExecutor();
460	<	StringTask t = null;
461	<	String result = Executors.invoke(e, t);
432	<	shouldThrow();
433	<	}
434	<	catch (NullPointerException success) {
435	<	}
436	<	catch (Exception ex) {
459	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
460	>	task.call();
461	>	} catch(Exception ex) {
462		unexpectedException();
463	+	}
464	+	finally {
465	+	Policy.setPolicy(savedPolicy);
466		}
467		}
468
469		/**
470	<	*  execute(Executor, Runnable) throws RejectedExecutionException
443	<	*  if saturated.
470	>	* Without permissions, calling privilegedCallable throws ACE
471		*/
472	<	public void testExecute1() {
473	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
472	>	public void testprivilegedCallableWithNoPrivs() {
473	>	Policy savedPolicy = Policy.getPolicy();
474	>	AdjustablePolicy policy = new AdjustablePolicy();
475	>	Policy.setPolicy(policy);
476	>	Callable task = Executors.privilegedCallable(new CheckCCL());
477	>	Policy.setPolicy(savedPolicy);
478		try {
479	<
449	<	for(int i = 0; i < 5; ++i){
450	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
451	<	}
479	>	task.call();
480		shouldThrow();
481	<	} catch(RejectedExecutionException success){}
482	<	joinPool(p);
481	>	} catch(AccessControlException success) {
482	>	} catch(Exception ex) {
483	>	unexpectedException();
484	>	} finally {
485	>	}
486		}
487
488		/**
489	<	*  execute(Executor, Callable)throws RejectedExecutionException
459	<	*  if saturated.
489	>	* With permissions, calling privilegedCallable succeeds
490		*/
491	<	public void testExecute2() {
492	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
491	>	public void testprivilegedCallableWithPrivs() {
492	>	Policy savedPolicy = Policy.getPolicy();
493	>	AdjustablePolicy policy = new AdjustablePolicy();
494	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
495	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
496	>	Policy.setPolicy(policy);
497	>	Callable task = Executors.privilegedCallable(new CheckCCL());
498		try {
499	<	for(int i = 0; i < 5; ++i) {
500	<	Executors.execute(p, new SmallCallable());
501	<	}
502	<	shouldThrow();
503	<	} catch(RejectedExecutionException e){}
504	<	joinPool(p);
499	>	task.call();
500	>	} catch(Exception ex) {
501	>	unexpectedException();
502	>	} finally {
503	>	Policy.setPolicy(savedPolicy);
504	>	}
505		}
506
472	–
507		/**
508	<	*  invoke(Executor, Runnable) throws InterruptedException if
509	<	*  caller interrupted.
510	<	*/
477	<	public void testInterruptedInvoke() {
478	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
479	<	Thread t = new Thread(new Runnable() {
480	<	public void run() {
481	<	try {
482	<	Executors.invoke(p,new Runnable() {
483	<	public void run() {
484	<	try {
485	<	Thread.sleep(MEDIUM_DELAY_MS);
486	<	shouldThrow();
487	<	} catch(InterruptedException e){
488	<	}
489	<	}
490	<	});
491	<	} catch(InterruptedException success){
492	<	} catch(Exception e) {
493	<	unexpectedException();
494	<	}
495	<
496	<	}
497	<	});
508	>	* callable(Runnable) returns null when called
509	>	*/
510	>	public void testCallable1() {
511		try {
512	<	t.start();
513	<	Thread.sleep(SHORT_DELAY_MS);
514	<	t.interrupt();
502	<	} catch(Exception e){
512	>	Callable c = Executors.callable(new NoOpRunnable());
513	>	assertNull(c.call());
514	>	} catch(Exception ex) {
515		unexpectedException();
516		}
517	<	joinPool(p);
517	>
518		}
519
520		/**
521	<	*  invoke(Executor, Runnable) throws ExecutionException if
522	<	*  runnable throws exception.
523	<	*/
512	<	public void testInvoke3() {
513	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
521	>	* callable(Runnable, result) returns result when called
522	>	*/
523	>	public void testCallable2() {
524		try {
525	<	Runnable r = new Runnable() {
526	<	public void run() {
527	<	int i = 5/0;
518	<	}
519	<	};
520	<
521	<	for(int i =0; i < 5; i++){
522	<	Executors.invoke(p,r);
523	<	}
524	<
525	<	shouldThrow();
526	<	} catch(ExecutionException success){
527	<	} catch(Exception e){
525	>	Callable c = Executors.callable(new NoOpRunnable(), one);
526	>	assertEquals(one, c.call());
527	>	} catch(Exception ex) {
528		unexpectedException();
529		}
530	–	joinPool(p);
530		}
531
533	–
534	–
532		/**
533	<	*  invoke(Executor, Callable) throws InterruptedException if
534	<	*  callable throws exception
535	<	*/
539	<	public void testInvoke5() {
540	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
541	<
542	<	final Callable c = new Callable() {
543	<	public Object call() {
544	<	try {
545	<	Executors.invoke(p, new SmallCallable());
546	<	shouldThrow();
547	<	} catch(InterruptedException e){}
548	<	catch(RejectedExecutionException e2){}
549	<	catch(ExecutionException e3){}
550	<	return Boolean.TRUE;
551	<	}
552	<	};
553	<
554	<
555	<
556	<	Thread t = new Thread(new Runnable() {
557	<	public void run() {
558	<	try {
559	<	c.call();
560	<	} catch(Exception e){}
561	<	}
562	<	});
533	>	* callable(PrivilegedAction) returns its result when called
534	>	*/
535	>	public void testCallable3() {
536		try {
537	<	t.start();
538	<	Thread.sleep(SHORT_DELAY_MS);
539	<	t.interrupt();
540	<	t.join();
568	<	} catch(InterruptedException e){
537	>	Callable c = Executors.callable(new PrivilegedAction() {
538	>	public Object run() { return one; }});
539	>	assertEquals(one, c.call());
540	>	} catch(Exception ex) {
541		unexpectedException();
542		}
571	–
572	–	joinPool(p);
543		}
544
545		/**
546	<	*  invoke(Executor, Callable) will throw ExecutionException
547	<	*  if callable throws exception
548	<	*/
579	<	public void testInvoke6() {
580	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
581	<
546	>	* callable(PrivilegedExceptionAction) returns its result when called
547	>	*/
548	>	public void testCallable4() {
549		try {
550	<	Callable c = new Callable() {
551	<	public Object call() {
552	<	int i = 5/0;
553	<	return Boolean.TRUE;
587	<	}
588	<	};
589	<
590	<	for(int i =0; i < 5; i++){
591	<	Executors.invoke(p,c);
592	<	}
593	<
594	<	shouldThrow();
595	<	}
596	<	catch(ExecutionException success){
597	<	} catch(Exception e) {
550	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
551	>	public Object run() { return one; }});
552	>	assertEquals(one, c.call());
553	>	} catch(Exception ex) {
554		unexpectedException();
555		}
600	–	joinPool(p);
556		}
557
558
604	–
559		/**
560	<	*  timeouts from execute will time out if they compute too long.
561	<	*/
562	<	public void testTimedCallable() {
609	<	int N = 10000;
610	<	ExecutorService executor = Executors.newSingleThreadExecutor();
611	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
560	>	* callable(null Runnable) throws NPE
561	>	*/
562	>	public void testCallableNPE1() {
563		try {
564	<	long startTime = System.currentTimeMillis();
565	<
566	<	long i = 0;
616	<	while (tasks.size() < N) {
617	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
618	<	i += 10;
619	<	}
620	<
621	<	int iters = 0;
622	<	BigInteger sum = BigInteger.ZERO;
623	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
624	<	try {
625	<	++iters;
626	<	sum = sum.add(it.next().call());
627	<	}
628	<	catch (TimeoutException success) {
629	<	assertTrue(iters > 0);
630	<	return;
631	<	}
632	<	catch (Exception e) {
633	<	unexpectedException();
634	<	}
635	<	}
636	<	// if by chance we didn't ever time out, total time must be small
637	<	long elapsed = System.currentTimeMillis() - startTime;
638	<	assertTrue(elapsed < N);
639	<	}
640	<	finally {
641	<	joinPool(executor);
564	>	Runnable r = null;
565	>	Callable c = Executors.callable(r);
566	>	} catch (NullPointerException success) {
567		}
568		}
569
645	–
570		/**
571	<	* ThreadPoolExecutor using defaultThreadFactory has
572	<	* specified group, priority, daemon status, and name
573	<	*/
574	<	public void testDefaultThreadFactory() {
575	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
576	<	Runnable r = new Runnable() {
577	<	public void run() {
578	<	Thread current = Thread.currentThread();
655	<	threadAssertTrue(!current.isDaemon());
656	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
657	<	ThreadGroup g = current.getThreadGroup();
658	<	SecurityManager s = System.getSecurityManager();
659	<	if (s != null)
660	<	threadAssertTrue(g == s.getThreadGroup());
661	<	else
662	<	threadAssertTrue(g == egroup);
663	<	String name = current.getName();
664	<	threadAssertTrue(name.endsWith("thread-1"));
665	<	}
666	<	};
667	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
668	<
669	<	e.execute(r);
670	<	e.shutdown();
671	<	try {
672	<	Thread.sleep(SHORT_DELAY_MS);
673	<	} catch (Exception eX) {
674	<	unexpectedException();
675	<	} finally {
676	<	joinPool(e);
677	<	}
571	>	* callable(null, result) throws NPE
572	>	*/
573	>	public void testCallableNPE2() {
574	>	try {
575	>	Runnable r = null;
576	>	Callable c = Executors.callable(r, one);
577	>	} catch (NullPointerException success) {
578	>	}
579		}
580
581		/**
582	<	* ThreadPoolExecutor using privilegedThreadFactory has
583	<	* specified group, priority, daemon status, name,
584	<	* access control context and context class loader
585	<	*/
586	<	public void testPrivilegedThreadFactory() {
587	<	Policy savedPolicy = Policy.getPolicy();
588	<	AdjustablePolicy policy = new AdjustablePolicy();
589	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
590	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
690	<	Policy.setPolicy(policy);
691	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
692	<	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
693	<	final AccessControlContext thisacc = AccessController.getContext();
694	<	Runnable r = new Runnable() {
695	<	public void run() {
696	<	Thread current = Thread.currentThread();
697	<	threadAssertTrue(!current.isDaemon());
698	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
699	<	ThreadGroup g = current.getThreadGroup();
700	<	SecurityManager s = System.getSecurityManager();
701	<	if (s != null)
702	<	threadAssertTrue(g == s.getThreadGroup());
703	<	else
704	<	threadAssertTrue(g == egroup);
705	<	String name = current.getName();
706	<	threadAssertTrue(name.endsWith("thread-1"));
707	<	threadAssertTrue(thisccl == current.getContextClassLoader());
708	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
709	<	}
710	<	};
711	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
712	<
713	<	Policy.setPolicy(savedPolicy);
714	<	e.execute(r);
715	<	e.shutdown();
716	<	try {
717	<	Thread.sleep(SHORT_DELAY_MS);
718	<	} catch (Exception ex) {
719	<	unexpectedException();
720	<	} finally {
721	<	joinPool(e);
722	<	}
582	>	* callable(null PrivilegedAction) throws NPE
583	>	*/
584	>	public void testCallableNPE3() {
585	>	try {
586	>	PrivilegedAction r = null;
587	>	Callable c = Executors.callable(r);
588	>	} catch (NullPointerException success) {
589	>	}
590	>	}
591
592	+	/**
593	+	* callable(null PrivilegedExceptionAction) throws NPE
594	+	*/
595	+	public void testCallableNPE4() {
596	+	try {
597	+	PrivilegedExceptionAction r = null;
598	+	Callable c = Executors.callable(r);
599	+	} catch (NullPointerException success) {
600	+	}
601		}
602
603	+
604		}

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