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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.9 by tim, Tue Dec 9 19:09:24 2003 UTC vs.
Revision 1.23 by jsr166, Thu Nov 19 03:55:29 2009 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 12 | Line 13 | import java.util.concurrent.*;
13		import java.math.BigInteger;
14		import java.security.*;
15
16	<	public class ExecutorsTest extends JSR166TestCase{
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);
22		}
23
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	–	}
33	–	}
34	–
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) {
28	>
29	>	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
30		this.exec = exec;
31		this.func = func;
32		this.msecs = msecs;
33		}
34	<
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 80 | Line 69 | public class ExecutorsTest extends JSR16
69		e.execute(new NoOpRunnable());
70		e.execute(new NoOpRunnable());
71		e.execute(new NoOpRunnable());
72	<	e.shutdown();
72	>	joinPool(e);
73		}
74
75		/**
#	Line 91 | Line 80 | public class ExecutorsTest extends JSR16
80		e.execute(new NoOpRunnable());
81		e.execute(new NoOpRunnable());
82		e.execute(new NoOpRunnable());
83	<	e.shutdown();
83	>	joinPool(e);
84		}
85
86		/**
#	Line 101 | Line 90 | public class ExecutorsTest extends JSR16
90		try {
91		ExecutorService e = Executors.newCachedThreadPool(null);
92		shouldThrow();
93	<	}
105	<	catch(NullPointerException success) {
106	<	}
93	>	} catch (NullPointerException success) {}
94		}
95
96
#	Line 115 | Line 102 | public class ExecutorsTest extends JSR16
102		e.execute(new NoOpRunnable());
103		e.execute(new NoOpRunnable());
104		e.execute(new NoOpRunnable());
105	<	e.shutdown();
105	>	joinPool(e);
106		}
107
108		/**
#	Line 126 | Line 113 | public class ExecutorsTest extends JSR16
113		e.execute(new NoOpRunnable());
114		e.execute(new NoOpRunnable());
115		e.execute(new NoOpRunnable());
116	<	e.shutdown();
116	>	joinPool(e);
117		}
118
119		/**
#	Line 136 | Line 123 | public class ExecutorsTest extends JSR16
123		try {
124		ExecutorService e = Executors.newSingleThreadExecutor(null);
125		shouldThrow();
126	<	}
127	<	catch(NullPointerException success) {
126	>	} catch (NullPointerException success) {}
127	>	}
128	>
129	>	/**
130	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
131	>	*/
132	>	public void testCastNewSingleThreadExecutor() {
133	>	ExecutorService e = Executors.newSingleThreadExecutor();
134	>	try {
135	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
136	>	shouldThrow();
137	>	} catch (ClassCastException success) {
138	>	} finally {
139	>	joinPool(e);
140		}
141		}
142
143	+
144		/**
145		* A new newFixedThreadPool can execute runnables
146		*/
#	Line 149 | Line 149 | public class ExecutorsTest extends JSR16
149		e.execute(new NoOpRunnable());
150		e.execute(new NoOpRunnable());
151		e.execute(new NoOpRunnable());
152	<	e.shutdown();
152	>	joinPool(e);
153		}
154
155		/**
#	Line 160 | Line 160 | public class ExecutorsTest extends JSR16
160		e.execute(new NoOpRunnable());
161		e.execute(new NoOpRunnable());
162		e.execute(new NoOpRunnable());
163	<	e.shutdown();
163	>	joinPool(e);
164		}
165
166		/**
#	Line 170 | Line 170 | public class ExecutorsTest extends JSR16
170		try {
171		ExecutorService e = Executors.newFixedThreadPool(2, null);
172		shouldThrow();
173	<	}
174	<	catch(NullPointerException success) {
175	<	}
173	>	} catch (NullPointerException success) {}
174		}
175
176		/**
#	Line 182 | Line 180 | public class ExecutorsTest extends JSR16
180		try {
181		ExecutorService e = Executors.newFixedThreadPool(0);
182		shouldThrow();
183	<	}
186	<	catch(IllegalArgumentException success) {
187	<	}
183	>	} catch (IllegalArgumentException success) {}
184		}
185
186	+
187		/**
188	<	* execute of runnable runs it to completion
188	>	* An unconfigurable newFixedThreadPool can execute runnables
189		*/
190	<	public void testExecuteRunnable() {
191	<	try {
192	<	Executor e = new DirectExecutor();
193	<	TrackedShortRunnable task = new TrackedShortRunnable();
194	<	assertFalse(task.done);
195	<	Future<?> future = Executors.execute(e, task);
199	<	future.get();
200	<	assertTrue(task.done);
201	<	}
202	<	catch (ExecutionException ex) {
203	<	unexpectedException();
204	<	}
205	<	catch (InterruptedException ex) {
206	<	unexpectedException();
207	<	}
190	>	public void testunconfigurableExecutorService() {
191	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
192	>	e.execute(new NoOpRunnable());
193	>	e.execute(new NoOpRunnable());
194	>	e.execute(new NoOpRunnable());
195	>	joinPool(e);
196		}
197
198		/**
199	<	* invoke of a runnable runs it to completion
199	>	* unconfigurableExecutorService(null) throws NPE
200		*/
201	<	public void testInvokeRunnable() {
201	>	public void testunconfigurableExecutorServiceNPE() {
202		try {
203	<	Executor e = new DirectExecutor();
204	<	TrackedShortRunnable task = new TrackedShortRunnable();
205	<	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	<	}
203	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
204	>	shouldThrow();
205	>	} catch (NullPointerException success) {}
206		}
207
208		/**
209	<	* execute of a callable runs it to completion
209	>	* unconfigurableScheduledExecutorService(null) throws NPE
210		*/
211	<	public void testExecuteCallable() {
211	>	public void testunconfigurableScheduledExecutorServiceNPE() {
212		try {
213	<	Executor e = new DirectExecutor();
214	<	Future<String> future = Executors.execute(e, new StringTask());
215	<	String result = future.get();
237	<	assertSame(TEST_STRING, result);
238	<	}
239	<	catch (ExecutionException ex) {
240	<	unexpectedException();
241	<	}
242	<	catch (InterruptedException ex) {
243	<	unexpectedException();
244	<	}
213	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
214	>	shouldThrow();
215	>	} catch (NullPointerException success) {}
216		}
217
218
219		/**
220	<	* execute of a privileged action runs it to completion
220	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
221		*/
222	<	public void testExecutePrivilegedAction() {
223	<	Policy savedPolicy = Policy.getPolicy();
224	<	AdjustablePolicy policy = new AdjustablePolicy();
225	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
226	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
227	<	Policy.setPolicy(policy);
228	<	try {
229	<	Executor e = new DirectExecutor();
230	<	Future future = Executors.execute(e, new PrivilegedAction() {
231	<	public Object run() {
232	<	return TEST_STRING;
262	<	}});
263	<
264	<	Object result = future.get();
265	<	assertSame(TEST_STRING, result);
266	<	}
267	<	catch (ExecutionException ex) {
268	<	unexpectedException();
269	<	}
270	<	catch (InterruptedException ex) {
271	<	unexpectedException();
272	<	}
273	<	finally {
274	<	Policy.setPolicy(savedPolicy);
275	<	}
222	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
223	>	try {
224	>	TrackedCallable callable = new TrackedCallable();
225	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
226	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
227	>	assertFalse(callable.done);
228	>	Thread.sleep(MEDIUM_DELAY_MS);
229	>	assertTrue(callable.done);
230	>	assertEquals(Boolean.TRUE, f.get());
231	>	joinPool(p1);
232	>	} catch (RejectedExecutionException e) {}
233		}
234
235		/**
236	<	* execute of a privileged exception action runs it to completion
236	>	* a newScheduledThreadPool successfully runs delayed task
237		*/
238	<	public void testExecutePrivilegedExceptionAction() {
239	<	Policy savedPolicy = Policy.getPolicy();
240	<	AdjustablePolicy policy = new AdjustablePolicy();
241	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
242	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
243	<	Policy.setPolicy(policy);
244	<	try {
245	<	Executor e = new DirectExecutor();
246	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
247	<	public Object run() {
248	<	return TEST_STRING;
249	<	}});
238	>	public void testnewScheduledThreadPool() throws Exception {
239	>	try {
240	>	TrackedCallable callable = new TrackedCallable();
241	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
242	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
243	>	assertFalse(callable.done);
244	>	Thread.sleep(MEDIUM_DELAY_MS);
245	>	assertTrue(callable.done);
246	>	assertEquals(Boolean.TRUE, f.get());
247	>	joinPool(p1);
248	>	} catch (RejectedExecutionException e) {}
249	>	}
250
251	<	Object result = future.get();
252	<	assertSame(TEST_STRING, result);
253	<	}
254	<	catch (ExecutionException ex) {
255	<	unexpectedException();
256	<	}
257	<	catch (InterruptedException ex) {
258	<	unexpectedException();
259	<	}
260	<	finally {
261	<	Policy.setPolicy(savedPolicy);
262	<	}
251	>	/**
252	>	* an unconfigurable  newScheduledThreadPool successfully runs delayed task
253	>	*/
254	>	public void testunconfigurableScheduledExecutorService() throws Exception {
255	>	try {
256	>	TrackedCallable callable = new TrackedCallable();
257	>	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
258	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
259	>	assertFalse(callable.done);
260	>	Thread.sleep(MEDIUM_DELAY_MS);
261	>	assertTrue(callable.done);
262	>	assertEquals(Boolean.TRUE, f.get());
263	>	joinPool(p1);
264	>	} catch (RejectedExecutionException e) {}
265		}
266
267		/**
268	<	* execute of a failed privileged exception action reports exception
268	>	*  timeouts from execute will time out if they compute too long.
269		*/
270	<	public void testExecuteFailedPrivilegedExceptionAction() {
271	<	Policy savedPolicy = Policy.getPolicy();
272	<	AdjustablePolicy policy = new AdjustablePolicy();
273	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
315	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
316	<	Policy.setPolicy(policy);
270	>	public void testTimedCallable() throws Exception {
271	>	int N = 10000;
272	>	ExecutorService executor = Executors.newSingleThreadExecutor();
273	>	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
274		try {
275	<	Executor e = new DirectExecutor();
319	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
320	<	public Object run() throws Exception {
321	<	throw new IndexOutOfBoundsException();
322	<	}});
275	>	long startTime = System.currentTimeMillis();
276
277	<	Object result = future.get();
278	<	shouldThrow();
279	<	}
280	<	catch (ExecutionException success) {
281	<	}
282	<	catch (InterruptedException ex) {
283	<	unexpectedException();
277	>	long i = 0;
278	>	while (tasks.size() < N) {
279	>	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
280	>	i += 10;
281	>	}
282	>
283	>	int iters = 0;
284	>	BigInteger sum = BigInteger.ZERO;
285	>	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
286	>	try {
287	>	++iters;
288	>	sum = sum.add(it.next().call());
289	>	}
290	>	catch (TimeoutException success) {
291	>	assertTrue(iters > 0);
292	>	return;
293	>	}
294	>	}
295	>	// if by chance we didn't ever time out, total time must be small
296	>	long elapsed = System.currentTimeMillis() - startTime;
297	>	assertTrue(elapsed < N);
298		}
299		finally {
300	<	Policy.setPolicy(savedPolicy);
300	>	joinPool(executor);
301		}
302		}
303
304	+
305		/**
306	<	* invoke of a collable runs it to completion
306	>	* ThreadPoolExecutor using defaultThreadFactory has
307	>	* specified group, priority, daemon status, and name
308		*/
309	<	public void testInvokeCallable() {
310	<	try {
311	<	Executor e = new DirectExecutor();
312	<	String result = Executors.invoke(e, new StringTask());
309	>	public void testDefaultThreadFactory() throws Exception {
310	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
311	>	Runnable r = new Runnable() {
312	>	public void run() {
313	>	try {
314	>	Thread current = Thread.currentThread();
315	>	threadAssertTrue(!current.isDaemon());
316	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
317	>	ThreadGroup g = current.getThreadGroup();
318	>	SecurityManager s = System.getSecurityManager();
319	>	if (s != null)
320	>	threadAssertTrue(g == s.getThreadGroup());
321	>	else
322	>	threadAssertTrue(g == egroup);
323	>	String name = current.getName();
324	>	threadAssertTrue(name.endsWith("thread-1"));
325	>	} catch (SecurityException ok) {
326	>	// Also pass if not allowed to change setting
327	>	}
328	>	}
329	>	};
330	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
331
332	<	assertSame(TEST_STRING, result);
333	<	}
334	<	catch (ExecutionException ex) {
335	<	unexpectedException();
332	>	e.execute(r);
333	>	try {
334	>	e.shutdown();
335	>	} catch (SecurityException ok) {
336		}
337	<	catch (InterruptedException ex) {
338	<	unexpectedException();
337	>
338	>	try {
339	>	Thread.sleep(SHORT_DELAY_MS);
340	>	} finally {
341	>	joinPool(e);
342		}
343		}
344
345		/**
346	<	* execute with null executor throws NPE
346	>	* ThreadPoolExecutor using privilegedThreadFactory has
347	>	* specified group, priority, daemon status, name,
348	>	* access control context and context class loader
349		*/
350	<	public void testNullExecuteRunnable() {
350	>	public void testPrivilegedThreadFactory() throws Exception {
351	>	Policy savedPolicy = null;
352		try {
353	<	TrackedShortRunnable task = new TrackedShortRunnable();
354	<	assertFalse(task.done);
355	<	Future<?> future = Executors.execute(null, task);
356	<	shouldThrow();
353	>	savedPolicy = Policy.getPolicy();
354	>	AdjustablePolicy policy = new AdjustablePolicy();
355	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
356	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
357	>	Policy.setPolicy(policy);
358	>	} catch (AccessControlException ok) {
359	>	return;
360		}
361	<	catch (NullPointerException success) {
361	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
362	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
363	>	final AccessControlContext thisacc = AccessController.getContext();
364	>	Runnable r = new Runnable() {
365	>	public void run() {
366	>	try {
367	>	Thread current = Thread.currentThread();
368	>	threadAssertTrue(!current.isDaemon());
369	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
370	>	ThreadGroup g = current.getThreadGroup();
371	>	SecurityManager s = System.getSecurityManager();
372	>	if (s != null)
373	>	threadAssertTrue(g == s.getThreadGroup());
374	>	else
375	>	threadAssertTrue(g == egroup);
376	>	String name = current.getName();
377	>	threadAssertTrue(name.endsWith("thread-1"));
378	>	threadAssertTrue(thisccl == current.getContextClassLoader());
379	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
380	>	} catch (SecurityException ok) {
381	>	// Also pass if not allowed to change settings
382	>	}
383	>	}
384	>	};
385	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
386	>
387	>	Policy.setPolicy(savedPolicy);
388	>	e.execute(r);
389	>	try {
390	>	e.shutdown();
391	>	} catch (SecurityException ok) {
392		}
393	<	catch (Exception ex) {
394	<	unexpectedException();
393	>	try {
394	>	Thread.sleep(SHORT_DELAY_MS);
395	>	} finally {
396	>	joinPool(e);
397		}
398	+
399		}
400
401	<	/**
402	<	* execute with a null runnable throws NPE
403	<	*/
404	<	public void testExecuteNullRunnable() {
405	<	try {
377	<	Executor e = new DirectExecutor();
378	<	TrackedShortRunnable task = null;
379	<	Future<?> future = Executors.execute(e, task);
380	<	shouldThrow();
381	<	}
382	<	catch (NullPointerException success) {
401	>	void checkCCL() {
402	>	SecurityManager sm = System.getSecurityManager();
403	>	if (sm != null) {
404	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
405	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
406		}
407	<	catch (Exception ex) {
408	<	unexpectedException();
407	>	}
408	>
409	>	class CheckCCL implements Callable<Object> {
410	>	public Object call() {
411	>	checkCCL();
412	>	return null;
413		}
414		}
415
416	+
417		/**
418	<	* invoke of a null runnable throws NPE
418	>	* Without class loader permissions, creating
419	>	* privilegedCallableUsingCurrentClassLoader throws ACE
420		*/
421	<	public void testInvokeNullRunnable() {
421	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
422	>	Policy savedPolicy = null;
423		try {
424	<	Executor e = new DirectExecutor();
425	<	TrackedShortRunnable task = null;
426	<	Executors.invoke(e, task);
427	<	shouldThrow();
424	>	savedPolicy = Policy.getPolicy();
425	>	AdjustablePolicy policy = new AdjustablePolicy();
426	>	Policy.setPolicy(policy);
427	>	} catch (AccessControlException ok) {
428	>	return;
429		}
430	<	catch (NullPointerException success) {
431	<	}
432	<	catch (Exception ex) {
433	<	unexpectedException();
430	>
431	>	// Check if program still has too many permissions to run test
432	>	try {
433	>	checkCCL();
434	>	// too many privileges to test; so return
435	>	Policy.setPolicy(savedPolicy);
436	>	return;
437	>	} catch (AccessControlException ok) {
438		}
404	–	}
439
406	–	/**
407	–	* execute of a null callable throws NPE
408	–	*/
409	–	public void testExecuteNullCallable() {
440		try {
441	<	Executor e = new DirectExecutor();
412	<	StringTask t = null;
413	<	Future<String> future = Executors.execute(e, t);
441	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
442		shouldThrow();
443	<	}
444	<	catch (NullPointerException success) {
445	<	}
418	<	catch (Exception ex) {
419	<	unexpectedException();
443	>	} catch (AccessControlException success) {
444	>	} finally {
445	>	Policy.setPolicy(savedPolicy);
446		}
447		}
448
449		/**
450	<	* invoke of a null callable throws NPE
450	>	* With class loader permissions, calling
451	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
452		*/
453	<	public void testInvokeNullCallable() {
453	>	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
454	>	Policy savedPolicy = null;
455		try {
456	<	Executor e = new DirectExecutor();
457	<	StringTask t = null;
458	<	String result = Executors.invoke(e, t);
459	<	shouldThrow();
456	>	savedPolicy = Policy.getPolicy();
457	>	AdjustablePolicy policy = new AdjustablePolicy();
458	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
459	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
460	>	Policy.setPolicy(policy);
461	>	} catch (AccessControlException ok) {
462	>	return;
463		}
464	<	catch (NullPointerException success) {
464	>
465	>	try {
466	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
467	>	task.call();
468		}
469	<	catch (Exception ex) {
470	<	unexpectedException();
469	>	finally {
470	>	Policy.setPolicy(savedPolicy);
471		}
472		}
473
474		/**
475	<	*  execute(Executor, Runnable) throws RejectedExecutionException
442	<	*  if saturated.
475	>	* Without permissions, calling privilegedCallable throws ACE
476		*/
477	<	public void testExecute1() {
478	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
477	>	public void testprivilegedCallableWithNoPrivs() throws Exception {
478	>	Callable task;
479	>	Policy savedPolicy = null;
480	>	AdjustablePolicy policy = null;
481	>	AccessControlContext noprivAcc = null;
482	>	try {
483	>	savedPolicy = Policy.getPolicy();
484	>	policy = new AdjustablePolicy();
485	>	Policy.setPolicy(policy);
486	>	noprivAcc = AccessController.getContext();
487	>	task = Executors.privilegedCallable(new CheckCCL());
488	>	Policy.setPolicy(savedPolicy);
489	>	} catch (AccessControlException ok) {
490	>	return; // program has too few permissions to set up test
491	>	}
492	>
493	>	// Make sure that program doesn't have too many permissions
494		try {
495	<
496	<	for(int i = 0; i < 5; ++i){
497	<	Executors.execute(p, new MediumRunnable());
498	<	}
499	<	shouldThrow();
500	<	} catch(RejectedExecutionException success){}
501	<	joinPool(p);
502	<	}
495	>	AccessController.doPrivileged(new PrivilegedAction() {
496	>	public Object run() {
497	>	checkCCL();
498	>	return null;
499	>	}}, noprivAcc);
500	>	// too many permssions; skip test
501	>	return;
502	>	} catch (AccessControlException ok) {
503	>	}
504
456	–	/**
457	–	*  execute(Executor, Callable)throws RejectedExecutionException
458	–	*  if saturated.
459	–	*/
460	–	public void testExecute2() {
461	–	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
505		try {
506	<	for(int i = 0; i < 5; ++i) {
464	<	Executors.execute(p, new SmallCallable());
465	<	}
506	>	task.call();
507		shouldThrow();
508	<	} catch(RejectedExecutionException e){}
468	<	joinPool(p);
508	>	} catch (AccessControlException success) {}
509		}
510
471	–
511		/**
512	<	*  invoke(Executor, Runnable) throws InterruptedException if
474	<	*  caller interrupted.
512	>	* With permissions, calling privilegedCallable succeeds
513		*/
514	<	public void testInterruptedInvoke() {
515	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
478	<	Thread t = new Thread(new Runnable() {
479	<	public void run() {
480	<	try {
481	<	Executors.invoke(p,new Runnable() {
482	<	public void run() {
483	<	try {
484	<	Thread.sleep(MEDIUM_DELAY_MS);
485	<	shouldThrow();
486	<	} catch(InterruptedException e){
487	<	}
488	<	}
489	<	});
490	<	} catch(InterruptedException success){
491	<	} catch(Exception e) {
492	<	unexpectedException();
493	<	}
494	<
495	<	}
496	<	});
514	>	public void testprivilegedCallableWithPrivs() throws Exception {
515	>	Policy savedPolicy = null;
516		try {
517	<	t.start();
518	<	Thread.sleep(SHORT_DELAY_MS);
519	<	t.interrupt();
520	<	} catch(Exception e){
521	<	unexpectedException();
517	>	savedPolicy = Policy.getPolicy();
518	>	AdjustablePolicy policy = new AdjustablePolicy();
519	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
520	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
521	>	Policy.setPolicy(policy);
522	>	} catch (AccessControlException ok) {
523	>	return;
524		}
504	–	joinPool(p);
505	–	}
525
526	<	/**
508	<	*  invoke(Executor, Runnable) throws ExecutionException if
509	<	*  runnable throws exception.
510	<	*/
511	<	public void testInvoke3() {
512	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
526	>	Callable task = Executors.privilegedCallable(new CheckCCL());
527		try {
528	<	Runnable r = new Runnable() {
529	<	public void run() {
530	<	int i = 5/0;
517	<	}
518	<	};
519	<
520	<	for(int i =0; i < 5; i++){
521	<	Executors.invoke(p,r);
522	<	}
523	<
524	<	shouldThrow();
525	<	} catch(ExecutionException success){
526	<	} catch(Exception e){
527	<	unexpectedException();
528	>	task.call();
529	>	} finally {
530	>	Policy.setPolicy(savedPolicy);
531		}
529	–	joinPool(p);
532		}
533
532	–
533	–
534		/**
535	<	*  invoke(Executor, Callable) throws InterruptedException if
536	<	*  callable throws exception
535	>	* callable(Runnable) returns null when called
536		*/
537	<	public void testInvoke5() {
538	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
539	<
540	<	final Callable c = new Callable() {
542	<	public Object call() {
543	<	try {
544	<	Executors.invoke(p, new SmallCallable());
545	<	shouldThrow();
546	<	} catch(InterruptedException e){}
547	<	catch(RejectedExecutionException e2){}
548	<	catch(ExecutionException e3){}
549	<	return Boolean.TRUE;
550	<	}
551	<	};
537	>	public void testCallable1() throws Exception {
538	>	Callable c = Executors.callable(new NoOpRunnable());
539	>	assertNull(c.call());
540	>	}
541
542	+	/**
543	+	* callable(Runnable, result) returns result when called
544	+	*/
545	+	public void testCallable2() throws Exception {
546	+	Callable c = Executors.callable(new NoOpRunnable(), one);
547	+	assertEquals(one, c.call());
548	+	}
549
550	<
551	<	Thread t = new Thread(new Runnable() {
552	<	public void run() {
553	<	try {
554	<	c.call();
555	<	} catch(Exception e){}
556	<	}
561	<	});
562	<	try {
563	<	t.start();
564	<	Thread.sleep(SHORT_DELAY_MS);
565	<	t.interrupt();
566	<	t.join();
567	<	} catch(InterruptedException e){
568	<	unexpectedException();
569	<	}
570	<
571	<	joinPool(p);
550	>	/**
551	>	* callable(PrivilegedAction) returns its result when called
552	>	*/
553	>	public void testCallable3() throws Exception {
554	>	Callable c = Executors.callable(new PrivilegedAction() {
555	>	public Object run() { return one; }});
556	>	assertEquals(one, c.call());
557		}
558
559		/**
560	<	*  invoke(Executor, Callable) will throw ExecutionException
576	<	*  if callable throws exception
560	>	* callable(PrivilegedExceptionAction) returns its result when called
561		*/
562	<	public void testInvoke6() {
563	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
562	>	public void testCallable4() throws Exception {
563	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
564	>	public Object run() { return one; }});
565	>	assertEquals(one, c.call());
566	>	}
567
568	+
569	+	/**
570	+	* callable(null Runnable) throws NPE
571	+	*/
572	+	public void testCallableNPE1() {
573		try {
574	<	Callable c = new Callable() {
583	<	public Object call() {
584	<	int i = 5/0;
585	<	return Boolean.TRUE;
586	<	}
587	<	};
588	<
589	<	for(int i =0; i < 5; i++){
590	<	Executors.invoke(p,c);
591	<	}
592	<
574	>	Callable c = Executors.callable((Runnable) null);
575		shouldThrow();
576	<	}
595	<	catch(ExecutionException success){
596	<	} catch(Exception e) {
597	<	unexpectedException();
598	<	}
599	<	joinPool(p);
576	>	} catch (NullPointerException success) {}
577		}
578
602	–
603	–
579		/**
580	<	*  timeouts from execute will time out if they compute too long.
580	>	* callable(null, result) throws NPE
581		*/
582	<	public void testTimedCallable() {
608	<	int N = 10000;
609	<	ExecutorService executor = Executors.newSingleThreadExecutor();
610	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
582	>	public void testCallableNPE2() {
583		try {
584	<	long startTime = System.currentTimeMillis();
585	<
586	<	long i = 0;
615	<	while (tasks.size() < N) {
616	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
617	<	i += 10;
618	<	}
619	<
620	<	int iters = 0;
621	<	BigInteger sum = BigInteger.ZERO;
622	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
623	<	try {
624	<	++iters;
625	<	sum = sum.add(it.next().call());
626	<	}
627	<	catch (TimeoutException success) {
628	<	assertTrue(iters > 0);
629	<	return;
630	<	}
631	<	catch (Exception e) {
632	<	unexpectedException();
633	<	}
634	<	}
635	<	// if by chance we didn't ever time out, total time must be small
636	<	long elapsed = System.currentTimeMillis() - startTime;
637	<	assertTrue(elapsed < N);
638	<	}
639	<	finally {
640	<	joinPool(executor);
641	<	}
584	>	Callable c = Executors.callable((Runnable) null, one);
585	>	shouldThrow();
586	>	} catch (NullPointerException success) {}
587		}
588
644	–
589		/**
590	<	* ThreadPoolExecutor using defaultThreadFactory has
647	<	* specified group, priority, daemon status, and name
590	>	* callable(null PrivilegedAction) throws NPE
591		*/
592	<	public void testDefaultThreadFactory() {
650	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
651	<	Runnable r = new Runnable() {
652	<	public void run() {
653	<	Thread current = Thread.currentThread();
654	<	threadAssertTrue(!current.isDaemon());
655	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
656	<	ThreadGroup g = current.getThreadGroup();
657	<	SecurityManager s = System.getSecurityManager();
658	<	if (s != null)
659	<	threadAssertTrue(g == s.getThreadGroup());
660	<	else
661	<	threadAssertTrue(g == egroup);
662	<	String name = current.getName();
663	<	threadAssertTrue(name.endsWith("thread-1"));
664	<	}
665	<	};
666	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
667	<
668	<	e.execute(r);
669	<	e.shutdown();
592	>	public void testCallableNPE3() {
593		try {
594	<	Thread.sleep(SHORT_DELAY_MS);
595	<	} catch (Exception eX) {
596	<	unexpectedException();
674	<	} finally {
675	<	joinPool(e);
676	<	}
594	>	Callable c = Executors.callable((PrivilegedAction) null);
595	>	shouldThrow();
596	>	} catch (NullPointerException success) {}
597		}
598
599		/**
600	<	* ThreadPoolExecutor using privilegedThreadFactory has
681	<	* specified group, priority, daemon status, name,
682	<	* access control context and context class loader
600	>	* callable(null PrivilegedExceptionAction) throws NPE
601		*/
602	<	public void testPrivilegedThreadFactory() {
685	<	Policy savedPolicy = Policy.getPolicy();
686	<	AdjustablePolicy policy = new AdjustablePolicy();
687	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
688	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
689	<	Policy.setPolicy(policy);
690	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
691	<	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
692	<	final AccessControlContext thisacc = AccessController.getContext();
693	<	Runnable r = new Runnable() {
694	<	public void run() {
695	<	Thread current = Thread.currentThread();
696	<	threadAssertTrue(!current.isDaemon());
697	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
698	<	ThreadGroup g = current.getThreadGroup();
699	<	SecurityManager s = System.getSecurityManager();
700	<	if (s != null)
701	<	threadAssertTrue(g == s.getThreadGroup());
702	<	else
703	<	threadAssertTrue(g == egroup);
704	<	String name = current.getName();
705	<	threadAssertTrue(name.endsWith("thread-1"));
706	<	threadAssertTrue(thisccl == current.getContextClassLoader());
707	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
708	<	}
709	<	};
710	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
711	<
712	<	Policy.setPolicy(savedPolicy);
713	<	e.execute(r);
714	<	e.shutdown();
602	>	public void testCallableNPE4() {
603		try {
604	<	Thread.sleep(SHORT_DELAY_MS);
605	<	} catch (Exception ex) {
606	<	unexpectedException();
719	<	} finally {
720	<	joinPool(e);
721	<	}
722	<
604	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
605	>	shouldThrow();
606	>	} catch (NullPointerException success) {}
607		}
608
609	+
610		}

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