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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 1.21 by jsr166, Mon Nov 16 04:57:10 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 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);
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 102 | Line 91 | public class ExecutorsTest extends JSR16
91		ExecutorService e = Executors.newCachedThreadPool(null);
92		shouldThrow();
93		}
94	<	catch(NullPointerException success) {
94	>	catch (NullPointerException success) {
95		}
96		}
97
#	Line 115 | Line 104 | public class ExecutorsTest extends JSR16
104		e.execute(new NoOpRunnable());
105		e.execute(new NoOpRunnable());
106		e.execute(new NoOpRunnable());
107	<	e.shutdown();
107	>	joinPool(e);
108		}
109
110		/**
#	Line 126 | Line 115 | public class ExecutorsTest extends JSR16
115		e.execute(new NoOpRunnable());
116		e.execute(new NoOpRunnable());
117		e.execute(new NoOpRunnable());
118	<	e.shutdown();
118	>	joinPool(e);
119		}
120
121		/**
#	Line 137 | Line 126 | public class ExecutorsTest extends JSR16
126		ExecutorService e = Executors.newSingleThreadExecutor(null);
127		shouldThrow();
128		}
129	<	catch(NullPointerException success) {
129	>	catch (NullPointerException success) {
130		}
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 149 | Line 152 | public class ExecutorsTest extends JSR16
152		e.execute(new NoOpRunnable());
153		e.execute(new NoOpRunnable());
154		e.execute(new NoOpRunnable());
155	<	e.shutdown();
155	>	joinPool(e);
156		}
157
158		/**
#	Line 160 | Line 163 | public class ExecutorsTest extends JSR16
163		e.execute(new NoOpRunnable());
164		e.execute(new NoOpRunnable());
165		e.execute(new NoOpRunnable());
166	<	e.shutdown();
166	>	joinPool(e);
167		}
168
169		/**
#	Line 171 | Line 174 | public class ExecutorsTest extends JSR16
174		ExecutorService e = Executors.newFixedThreadPool(2, null);
175		shouldThrow();
176		}
177	<	catch(NullPointerException success) {
177	>	catch (NullPointerException success) {
178		}
179		}
180
#	Line 183 | Line 186 | public class ExecutorsTest extends JSR16
186		ExecutorService e = Executors.newFixedThreadPool(0);
187		shouldThrow();
188		}
189	<	catch(IllegalArgumentException success) {
189	>	catch (IllegalArgumentException success) {
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<?> 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	<	}
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	>	joinPool(e);
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();
216	<	TrackedShortRunnable task = new TrackedShortRunnable();
217	<	assertFalse(task.done);
218	<	Executors.invoke(e, task);
219	<	assertTrue(task.done);
220	<	}
221	<	catch (ExecutionException ex) {
222	<	unexpectedException();
210	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
211		}
212	<	catch (InterruptedException ex) {
225	<	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();
235	<	Future<String> future = Executors.execute(e, new StringTask());
236	<	String result = future.get();
237	<	assertSame(TEST_STRING, result);
238	<	}
239	<	catch (ExecutionException ex) {
240	<	unexpectedException();
221	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
222		}
223	<	catch (InterruptedException ex) {
243	<	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	<
264	<	Object result = future.get();
265	<	assertSame(TEST_STRING, result);
266	<	}
267	<	catch (ExecutionException 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	>	joinPool(p1);
241	>	} catch (RejectedExecutionException e){}
242	>	catch (Exception e){
243	>	e.printStackTrace();
244		unexpectedException();
245		}
246	<	catch (InterruptedException ex) {
246	>	}
247	>
248	>	/**
249	>	* a newScheduledThreadPool successfully runs delayed task
250	>	*/
251	>	public void testnewScheduledThreadPool() {
252	>	try {
253	>	TrackedCallable callable = new TrackedCallable();
254	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
255	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
256	>	assertFalse(callable.done);
257	>	Thread.sleep(MEDIUM_DELAY_MS);
258	>	assertTrue(callable.done);
259	>	assertEquals(Boolean.TRUE, f.get());
260	>	joinPool(p1);
261	>	} catch (RejectedExecutionException e){}
262	>	catch (Exception e){
263	>	e.printStackTrace();
264		unexpectedException();
265		}
266	<	finally {
267	<	Policy.setPolicy(savedPolicy);
266	>	}
267	>
268	>	/**
269	>	* an unconfigurable  newScheduledThreadPool successfully runs delayed task
270	>	*/
271	>	public void testunconfigurableScheduledExecutorService() {
272	>	try {
273	>	TrackedCallable callable = new TrackedCallable();
274	>	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
275	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
276	>	assertFalse(callable.done);
277	>	Thread.sleep(MEDIUM_DELAY_MS);
278	>	assertTrue(callable.done);
279	>	assertEquals(Boolean.TRUE, f.get());
280	>	joinPool(p1);
281	>	} catch (RejectedExecutionException e){}
282	>	catch (Exception e){
283	>	e.printStackTrace();
284	>	unexpectedException();
285		}
286		}
287
288		/**
289	<	* execute of a privileged exception action runs it to completion
289	>	*  timeouts from execute will time out if they compute too long.
290		*/
291	<	public void testExecutePrivilegedExceptionAction() {
292	<	Policy savedPolicy = Policy.getPolicy();
293	<	AdjustablePolicy policy = new AdjustablePolicy();
294	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
285	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
286	<	Policy.setPolicy(policy);
291	>	public void testTimedCallable() {
292	>	int N = 10000;
293	>	ExecutorService executor = Executors.newSingleThreadExecutor();
294	>	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
295		try {
296	<	Executor e = new DirectExecutor();
289	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
290	<	public Object run() {
291	<	return TEST_STRING;
292	<	}});
296	>	long startTime = System.currentTimeMillis();
297
298	<	Object result = future.get();
299	<	assertSame(TEST_STRING, result);
300	<	}
301	<	catch (ExecutionException ex) {
302	<	unexpectedException();
303	<	}
304	<	catch (InterruptedException ex) {
305	<	unexpectedException();
298	>	long i = 0;
299	>	while (tasks.size() < N) {
300	>	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
301	>	i += 10;
302	>	}
303	>
304	>	int iters = 0;
305	>	BigInteger sum = BigInteger.ZERO;
306	>	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
307	>	try {
308	>	++iters;
309	>	sum = sum.add(it.next().call());
310	>	}
311	>	catch (TimeoutException success) {
312	>	assertTrue(iters > 0);
313	>	return;
314	>	}
315	>	catch (Exception e) {
316	>	unexpectedException();
317	>	}
318	>	}
319	>	// if by chance we didn't ever time out, total time must be small
320	>	long elapsed = System.currentTimeMillis() - startTime;
321	>	assertTrue(elapsed < N);
322		}
323		finally {
324	<	Policy.setPolicy(savedPolicy);
324	>	joinPool(executor);
325		}
326		}
327
328	+
329		/**
330	<	* execute of a failed privileged exception action reports exception
330	>	* ThreadPoolExecutor using defaultThreadFactory has
331	>	* specified group, priority, daemon status, and name
332		*/
333	<	public void testExecuteFailedPrivilegedExceptionAction() {
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	<	try {
340	<	Executor e = new DirectExecutor();
341	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
342	<	public Object run() throws Exception {
343	<	throw new IndexOutOfBoundsException();
344	<	}});
333	>	public void testDefaultThreadFactory() {
334	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
335	>	Runnable r = new Runnable() {
336	>	public void run() {
337	>	try {
338	>	Thread current = Thread.currentThread();
339	>	threadAssertTrue(!current.isDaemon());
340	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
341	>	ThreadGroup g = current.getThreadGroup();
342	>	SecurityManager s = System.getSecurityManager();
343	>	if (s != null)
344	>	threadAssertTrue(g == s.getThreadGroup());
345	>	else
346	>	threadAssertTrue(g == egroup);
347	>	String name = current.getName();
348	>	threadAssertTrue(name.endsWith("thread-1"));
349	>	} catch (SecurityException ok) {
350	>	// Also pass if not allowed to change setting
351	>	}
352	>	}
353	>	};
354	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
355
356	<	Object result = future.get();
357	<	shouldThrow();
358	<	}
359	<	catch (ExecutionException success) {
356	>	e.execute(r);
357	>	try {
358	>	e.shutdown();
359	>	} catch (SecurityException ok) {
360		}
361	<	catch (InterruptedException ex) {
361	>
362	>	try {
363	>	Thread.sleep(SHORT_DELAY_MS);
364	>	} catch (Exception eX) {
365		unexpectedException();
366	<	}
367	<	finally {
333	<	Policy.setPolicy(savedPolicy);
366	>	} finally {
367	>	joinPool(e);
368		}
369		}
370
371		/**
372	<	* invoke of a collable runs it to completion
372	>	* ThreadPoolExecutor using privilegedThreadFactory has
373	>	* specified group, priority, daemon status, name,
374	>	* access control context and context class loader
375		*/
376	<	public void testInvokeCallable() {
376	>	public void testPrivilegedThreadFactory() {
377	>	Policy savedPolicy = null;
378		try {
379	<	Executor e = new DirectExecutor();
380	<	String result = Executors.invoke(e, new StringTask());
381	<
382	<	assertSame(TEST_STRING, result);
379	>	savedPolicy = Policy.getPolicy();
380	>	AdjustablePolicy policy = new AdjustablePolicy();
381	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
382	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
383	>	Policy.setPolicy(policy);
384	>	} catch (AccessControlException ok) {
385	>	return;
386		}
387	<	catch (ExecutionException ex) {
388	<	unexpectedException();
387	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
388	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
389	>	final AccessControlContext thisacc = AccessController.getContext();
390	>	Runnable r = new Runnable() {
391	>	public void run() {
392	>	try {
393	>	Thread current = Thread.currentThread();
394	>	threadAssertTrue(!current.isDaemon());
395	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
396	>	ThreadGroup g = current.getThreadGroup();
397	>	SecurityManager s = System.getSecurityManager();
398	>	if (s != null)
399	>	threadAssertTrue(g == s.getThreadGroup());
400	>	else
401	>	threadAssertTrue(g == egroup);
402	>	String name = current.getName();
403	>	threadAssertTrue(name.endsWith("thread-1"));
404	>	threadAssertTrue(thisccl == current.getContextClassLoader());
405	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
406	>	} catch (SecurityException ok) {
407	>	// Also pass if not allowed to change settings
408	>	}
409	>	}
410	>	};
411	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
412	>
413	>	Policy.setPolicy(savedPolicy);
414	>	e.execute(r);
415	>	try {
416	>	e.shutdown();
417	>	} catch (SecurityException ok) {
418		}
419	<	catch (InterruptedException ex) {
419	>	try {
420	>	Thread.sleep(SHORT_DELAY_MS);
421	>	} catch (Exception ex) {
422		unexpectedException();
423	+	} finally {
424	+	joinPool(e);
425		}
426	+
427		}
428
429	<	/**
430	<	* execute with null executor throws NPE
431	<	*/
432	<	public void testNullExecuteRunnable() {
433	<	try {
360	<	TrackedShortRunnable task = new TrackedShortRunnable();
361	<	assertFalse(task.done);
362	<	Future<?> future = Executors.execute(null, task);
363	<	shouldThrow();
429	>	void checkCCL() {
430	>	SecurityManager sm = System.getSecurityManager();
431	>	if (sm != null) {
432	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
433	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
434		}
435	<	catch (NullPointerException success) {
436	<	}
437	<	catch (Exception ex) {
438	<	unexpectedException();
435	>	}
436	>
437	>	class CheckCCL implements Callable<Object> {
438	>	public Object call() {
439	>	checkCCL();
440	>	return null;
441		}
442		}
443
444	+
445		/**
446	<	* execute with a null runnable throws NPE
446	>	* Without class loader permissions, creating
447	>	* privilegedCallableUsingCurrentClassLoader throws ACE
448		*/
449	<	public void testExecuteNullRunnable() {
449	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
450	>	Policy savedPolicy = null;
451		try {
452	<	Executor e = new DirectExecutor();
453	<	TrackedShortRunnable task = null;
454	<	Future<?> future = Executors.execute(e, task);
455	<	shouldThrow();
452	>	savedPolicy = Policy.getPolicy();
453	>	AdjustablePolicy policy = new AdjustablePolicy();
454	>	Policy.setPolicy(policy);
455	>	} catch (AccessControlException ok) {
456	>	return;
457		}
458	<	catch (NullPointerException success) {
458	>
459	>	// Check if program still has too many permissions to run test
460	>	try {
461	>	checkCCL();
462	>	// too many privileges to test; so return
463	>	Policy.setPolicy(savedPolicy);
464	>	return;
465	>	} catch (AccessControlException ok) {
466		}
467	<	catch (Exception ex) {
467	>
468	>	try {
469	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
470	>	shouldThrow();
471	>	} catch (AccessControlException success) {
472	>	} catch (Exception ex) {
473		unexpectedException();
474		}
475	+	finally {
476	+	Policy.setPolicy(savedPolicy);
477	+	}
478		}
479
480		/**
481	<	* invoke of a null runnable throws NPE
481	>	* With class loader permissions, calling
482	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
483		*/
484	<	public void testInvokeNullRunnable() {
484	>	public void testprivilegedCallableUsingCCLWithPrivs() {
485	>	Policy savedPolicy = null;
486		try {
487	<	Executor e = new DirectExecutor();
488	<	TrackedShortRunnable task = null;
489	<	Executors.invoke(e, task);
490	<	shouldThrow();
487	>	savedPolicy = Policy.getPolicy();
488	>	AdjustablePolicy policy = new AdjustablePolicy();
489	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
490	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
491	>	Policy.setPolicy(policy);
492	>	} catch (AccessControlException ok) {
493	>	return;
494		}
495	<	catch (NullPointerException success) {
496	<	}
497	<	catch (Exception ex) {
495	>
496	>	try {
497	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
498	>	task.call();
499	>	} catch (Exception ex) {
500		unexpectedException();
501		}
502	+	finally {
503	+	Policy.setPolicy(savedPolicy);
504	+	}
505		}
506
507		/**
508	<	* execute of a null callable throws NPE
508	>	* Without permissions, calling privilegedCallable throws ACE
509		*/
510	<	public void testExecuteNullCallable() {
511	<	try {
512	<	Executor e = new DirectExecutor();
513	<	StringTask t = null;
514	<	Future<String> future = Executors.execute(e, t);
515	<	shouldThrow();
510	>	public void testprivilegedCallableWithNoPrivs() {
511	>	Callable task;
512	>	Policy savedPolicy = null;
513	>	AdjustablePolicy policy = null;
514	>	AccessControlContext noprivAcc = null;
515	>	try {
516	>	savedPolicy = Policy.getPolicy();
517	>	policy = new AdjustablePolicy();
518	>	Policy.setPolicy(policy);
519	>	noprivAcc = AccessController.getContext();
520	>	task = Executors.privilegedCallable(new CheckCCL());
521	>	Policy.setPolicy(savedPolicy);
522	>	} catch (AccessControlException ok) {
523	>	return; // program has too few permissions to set up test
524		}
525	<	catch (NullPointerException success) {
525	>
526	>	// Make sure that program doesn't have too many permissions
527	>	try {
528	>	AccessController.doPrivileged(new PrivilegedAction() {
529	>	public Object run() {
530	>	checkCCL();
531	>	return null;
532	>	}}, noprivAcc);
533	>	// too many permssions; skip test
534	>	return;
535	>	} catch (AccessControlException ok) {
536		}
537	<	catch (Exception ex) {
537	>
538	>	try {
539	>	task.call();
540	>	shouldThrow();
541	>	} catch (AccessControlException success) {
542	>	} catch (Exception ex) {
543		unexpectedException();
544		}
545		}
546
547		/**
548	<	* invoke of a null callable throws NPE
548	>	* With permissions, calling privilegedCallable succeeds
549		*/
550	<	public void testInvokeNullCallable() {
550	>	public void testprivilegedCallableWithPrivs() {
551	>	Policy savedPolicy = null;
552		try {
553	<	Executor e = new DirectExecutor();
554	<	StringTask t = null;
555	<	String result = Executors.invoke(e, t);
556	<	shouldThrow();
557	<	}
558	<	catch (NullPointerException success) {
553	>	savedPolicy = Policy.getPolicy();
554	>	AdjustablePolicy policy = new AdjustablePolicy();
555	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
556	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
557	>	Policy.setPolicy(policy);
558	>	} catch (AccessControlException ok) {
559	>	return;
560		}
561	<	catch (Exception ex) {
561	>
562	>	Callable task = Executors.privilegedCallable(new CheckCCL());
563	>	try {
564	>	task.call();
565	>	} catch (Exception ex) {
566		unexpectedException();
567	+	} finally {
568	+	Policy.setPolicy(savedPolicy);
569		}
570		}
571
572		/**
573	<	*  execute(Executor, Runnable) throws RejectedExecutionException
442	<	*  if saturated.
573	>	* callable(Runnable) returns null when called
574		*/
575	<	public void testExecute1() {
445	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
575	>	public void testCallable1() {
576		try {
577	<
578	<	for(int i = 0; i < 5; ++i){
579	<	Executors.execute(p, new MediumRunnable());
580	<	}
581	<	shouldThrow();
452	<	} catch(RejectedExecutionException success){}
453	<	joinPool(p);
454	<	}
577	>	Callable c = Executors.callable(new NoOpRunnable());
578	>	assertNull(c.call());
579	>	} catch (Exception ex) {
580	>	unexpectedException();
581	>	}
582
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));
462	–	try {
463	–	for(int i = 0; i < 5; ++i) {
464	–	Executors.execute(p, new SmallCallable());
465	–	}
466	–	shouldThrow();
467	–	} catch(RejectedExecutionException e){}
468	–	joinPool(p);
583		}
584
471	–
585		/**
586	<	*  invoke(Executor, Runnable) throws InterruptedException if
474	<	*  caller interrupted.
586	>	* callable(Runnable, result) returns result when called
587		*/
588	<	public void testInterruptedInvoke() {
477	<	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	<	});
588	>	public void testCallable2() {
589		try {
590	<	t.start();
591	<	Thread.sleep(SHORT_DELAY_MS);
592	<	t.interrupt();
501	<	} catch(Exception e){
590	>	Callable c = Executors.callable(new NoOpRunnable(), one);
591	>	assertEquals(one, c.call());
592	>	} catch (Exception ex) {
593		unexpectedException();
594		}
504	–	joinPool(p);
595		}
596
597		/**
598	<	*  invoke(Executor, Runnable) throws ExecutionException if
509	<	*  runnable throws exception.
598	>	* callable(PrivilegedAction) returns its result when called
599		*/
600	<	public void testInvoke3() {
512	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
600	>	public void testCallable3() {
601		try {
602	<	Runnable r = new Runnable() {
603	<	public void run() {
604	<	int i = 5/0;
605	<	}
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){
602	>	Callable c = Executors.callable(new PrivilegedAction() {
603	>	public Object run() { return one; }});
604	>	assertEquals(one, c.call());
605	>	} catch (Exception ex) {
606		unexpectedException();
607		}
529	–	joinPool(p);
608		}
609
532	–
533	–
610		/**
611	<	*  invoke(Executor, Callable) throws InterruptedException if
536	<	*  callable throws exception
611	>	* callable(PrivilegedExceptionAction) returns its result when called
612		*/
613	<	public void testInvoke5() {
539	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
540	<
541	<	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	<	};
552	<
553	<
554	<
555	<	Thread t = new Thread(new Runnable() {
556	<	public void run() {
557	<	try {
558	<	c.call();
559	<	} catch(Exception e){}
560	<	}
561	<	});
613	>	public void testCallable4() {
614		try {
615	<	t.start();
616	<	Thread.sleep(SHORT_DELAY_MS);
617	<	t.interrupt();
618	<	t.join();
567	<	} catch(InterruptedException e){
615	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
616	>	public Object run() { return one; }});
617	>	assertEquals(one, c.call());
618	>	} catch (Exception ex) {
619		unexpectedException();
620		}
570	–
571	–	joinPool(p);
621		}
622
623	+
624		/**
625	<	*  invoke(Executor, Callable) will throw ExecutionException
576	<	*  if callable throws exception
625	>	* callable(null Runnable) throws NPE
626		*/
627	<	public void testInvoke6() {
579	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
580	<
627	>	public void testCallableNPE1() {
628		try {
629	<	Callable c = new Callable() {
630	<	public Object call() {
631	<	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	<
593	<	shouldThrow();
594	<	}
595	<	catch(ExecutionException success){
596	<	} catch(Exception e) {
597	<	unexpectedException();
629	>	Runnable r = null;
630	>	Callable c = Executors.callable(r);
631	>	} catch (NullPointerException success) {
632		}
599	–	joinPool(p);
633		}
634
602	–
603	–
635		/**
636	<	*  timeouts from execute will time out if they compute too long.
636	>	* callable(null, result) throws NPE
637		*/
638	<	public void testTimedCallable() {
608	<	int N = 10000;
609	<	ExecutorService executor = Executors.newSingleThreadExecutor();
610	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
638	>	public void testCallableNPE2() {
639		try {
640	<	long startTime = System.currentTimeMillis();
641	<
642	<	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);
640	>	Runnable r = null;
641	>	Callable c = Executors.callable(r, one);
642	>	} catch (NullPointerException success) {
643		}
644		}
645
644	–
646		/**
647	<	* ThreadPoolExecutor using defaultThreadFactory has
647	<	* specified group, priority, daemon status, and name
647	>	* callable(null PrivilegedAction) throws NPE
648		*/
649	<	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();
649	>	public void testCallableNPE3() {
650		try {
651	<	Thread.sleep(SHORT_DELAY_MS);
652	<	} catch (Exception eX) {
653	<	unexpectedException();
674	<	} finally {
675	<	joinPool(e);
651	>	PrivilegedAction r = null;
652	>	Callable c = Executors.callable(r);
653	>	} catch (NullPointerException success) {
654		}
655		}
656
657		/**
658	<	* ThreadPoolExecutor using privilegedThreadFactory has
681	<	* specified group, priority, daemon status, name,
682	<	* access control context and context class loader
658	>	* callable(null PrivilegedExceptionAction) throws NPE
659		*/
660	<	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();
660	>	public void testCallableNPE4() {
661		try {
662	<	Thread.sleep(SHORT_DELAY_MS);
663	<	} catch (Exception ex) {
664	<	unexpectedException();
719	<	} finally {
720	<	joinPool(e);
662	>	PrivilegedExceptionAction r = null;
663	>	Callable c = Executors.callable(r);
664	>	} catch (NullPointerException success) {
665		}
722	–
666		}
667
668	+
669		}

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