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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.5 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.44 by jsr166, Sun Feb 22 19:16:12 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10
11	<	import junit.framework.*;
12	<	import java.util.*;
13	<	import java.util.concurrent.*;
14	<	import java.math.BigInteger;
11	>	import java.security.AccessControlContext;
12	>	import java.security.AccessControlException;
13	>	import java.security.AccessController;
14	>	import java.security.PrivilegedAction;
15	>	import java.security.PrivilegedExceptionAction;
16	>	import java.util.ArrayList;
17	>	import java.util.List;
18	>	import java.util.concurrent.Callable;
19	>	import java.util.concurrent.CountDownLatch;
20	>	import java.util.concurrent.Executors;
21	>	import java.util.concurrent.ExecutorService;
22	>	import java.util.concurrent.Future;
23	>	import java.util.concurrent.ScheduledExecutorService;
24	>	import java.util.concurrent.ThreadPoolExecutor;
25
26	<	public class ExecutorsTest extends JSR166TestCase{
26	>	import junit.framework.Test;
27	>	import junit.framework.TestSuite;
28	>
29	>	public class ExecutorsTest extends JSR166TestCase {
30		public static void main(String[] args) {
31	<	junit.textui.TestRunner.run (suite());
31	>	junit.textui.TestRunner.run(suite());
32		}
33		public static Test suite() {
34	<	return new TestSuite(ExecutorsTest.class);
20	<	}
21	<
22	<	private static final String TEST_STRING = "a test string";
23	<
24	<	private static class MyTask implements Runnable {
25	<	public void run() { completed = true; }
26	<	public boolean isCompleted() { return completed; }
27	<	public void reset() { completed = false; }
28	<	private boolean completed = false;
29	<	}
30	<
31	<	private static class StringTask implements Callable<String> {
32	<	public String call() { return TEST_STRING; }
33	<	}
34	<
35	<	static class DirectExecutor implements Executor {
36	<	public void execute(Runnable r) {
37	<	r.run();
38	<	}
39	<	}
40	<
41	<	static class TimedCallable<T> implements Callable<T> {
42	<	private final Executor exec;
43	<	private final Callable<T> func;
44	<	private final long msecs;
45	<
46	<	TimedCallable(Executor exec, Callable<T> func, long msecs) {
47	<	this.exec = exec;
48	<	this.func = func;
49	<	this.msecs = msecs;
50	<	}
51	<
52	<	public T call() throws Exception {
53	<	Future<T> ftask = Executors.execute(exec, func);
54	<	try {
55	<	return ftask.get(msecs, TimeUnit.MILLISECONDS);
56	<	} finally {
57	<	ftask.cancel(true);
58	<	}
59	<	}
60	<	}
61	<
62	<
63	<	private static class Fib implements Callable<BigInteger> {
64	<	private final BigInteger n;
65	<	Fib(long n) {
66	<	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
67	<	this.n = BigInteger.valueOf(n);
68	<	}
69	<	public BigInteger call() {
70	<	BigInteger f1 = BigInteger.ONE;
71	<	BigInteger f2 = f1;
72	<	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
73	<	BigInteger t = f1.add(f2);
74	<	f1 = f2;
75	<	f2 = t;
76	<	}
77	<	return f1;
78	<	}
79	<	};
80	<
81	<	/**
82	<	* For use as ThreadFactory in constructors
83	<	*/
84	<	static class MyThreadFactory implements ThreadFactory{
85	<	public Thread newThread(Runnable r){
86	<	return new Thread(r);
87	<	}
34	>	return new TestSuite(ExecutorsTest.class);
35		}
36
37		/**
#	Line 95 | Line 42 | public class ExecutorsTest extends JSR16
42		e.execute(new NoOpRunnable());
43		e.execute(new NoOpRunnable());
44		e.execute(new NoOpRunnable());
45	<	e.shutdown();
45	>	joinPool(e);
46		}
47
48		/**
49		* A newCachedThreadPool with given ThreadFactory can execute runnables
50		*/
51		public void testNewCachedThreadPool2() {
52	<	ExecutorService e = Executors.newCachedThreadPool(new MyThreadFactory());
52	>	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
53		e.execute(new NoOpRunnable());
54		e.execute(new NoOpRunnable());
55		e.execute(new NoOpRunnable());
56	<	e.shutdown();
56	>	joinPool(e);
57		}
58
59		/**
#	Line 116 | Line 63 | public class ExecutorsTest extends JSR16
63		try {
64		ExecutorService e = Executors.newCachedThreadPool(null);
65		shouldThrow();
66	<	}
120	<	catch(NullPointerException success) {
121	<	}
66	>	} catch (NullPointerException success) {}
67		}
68
124	–
69		/**
70		* A new SingleThreadExecutor can execute runnables
71		*/
#	Line 130 | Line 74 | public class ExecutorsTest extends JSR16
74		e.execute(new NoOpRunnable());
75		e.execute(new NoOpRunnable());
76		e.execute(new NoOpRunnable());
77	<	e.shutdown();
77	>	joinPool(e);
78		}
79
80		/**
81		* A new SingleThreadExecutor with given ThreadFactory can execute runnables
82		*/
83		public void testNewSingleThreadExecutor2() {
84	<	ExecutorService e = Executors.newSingleThreadExecutor(new MyThreadFactory());
84	>	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
85		e.execute(new NoOpRunnable());
86		e.execute(new NoOpRunnable());
87		e.execute(new NoOpRunnable());
88	<	e.shutdown();
88	>	joinPool(e);
89		}
90
91		/**
#	Line 151 | Line 95 | public class ExecutorsTest extends JSR16
95		try {
96		ExecutorService e = Executors.newSingleThreadExecutor(null);
97		shouldThrow();
98	<	}
99	<	catch(NullPointerException success) {
98	>	} catch (NullPointerException success) {}
99	>	}
100	>
101	>	/**
102	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
103	>	*/
104	>	public void testCastNewSingleThreadExecutor() {
105	>	ExecutorService e = Executors.newSingleThreadExecutor();
106	>	try {
107	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
108	>	shouldThrow();
109	>	} catch (ClassCastException success) {
110	>	} finally {
111	>	joinPool(e);
112		}
113		}
114
#	Line 164 | Line 120 | public class ExecutorsTest extends JSR16
120		e.execute(new NoOpRunnable());
121		e.execute(new NoOpRunnable());
122		e.execute(new NoOpRunnable());
123	<	e.shutdown();
123	>	joinPool(e);
124		}
125
126		/**
127		* A new newFixedThreadPool with given ThreadFactory can execute runnables
128		*/
129		public void testNewFixedThreadPool2() {
130	<	ExecutorService e = Executors.newFixedThreadPool(2, new MyThreadFactory());
130	>	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
131		e.execute(new NoOpRunnable());
132		e.execute(new NoOpRunnable());
133		e.execute(new NoOpRunnable());
134	<	e.shutdown();
134	>	joinPool(e);
135		}
136
137		/**
#	Line 185 | Line 141 | public class ExecutorsTest extends JSR16
141		try {
142		ExecutorService e = Executors.newFixedThreadPool(2, null);
143		shouldThrow();
144	<	}
189	<	catch(NullPointerException success) {
190	<	}
144	>	} catch (NullPointerException success) {}
145		}
146
147		/**
#	Line 197 | Line 151 | public class ExecutorsTest extends JSR16
151		try {
152		ExecutorService e = Executors.newFixedThreadPool(0);
153		shouldThrow();
154	<	}
201	<	catch(IllegalArgumentException success) {
202	<	}
154	>	} catch (IllegalArgumentException success) {}
155		}
156
157		/**
158	<	* execute of runnable runs it to completion
158	>	* An unconfigurable newFixedThreadPool can execute runnables
159		*/
160	<	public void testExecuteRunnable () {
161	<	try {
162	<	Executor e = new DirectExecutor();
163	<	MyTask task = new MyTask();
164	<	assertFalse(task.isCompleted());
165	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
214	<	String result = future.get();
215	<	assertTrue(task.isCompleted());
216	<	assertSame(TEST_STRING, result);
217	<	}
218	<	catch (ExecutionException ex) {
219	<	unexpectedException();
220	<	}
221	<	catch (InterruptedException ex) {
222	<	unexpectedException();
223	<	}
160	>	public void testUnconfigurableExecutorService() {
161	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
162	>	e.execute(new NoOpRunnable());
163	>	e.execute(new NoOpRunnable());
164	>	e.execute(new NoOpRunnable());
165	>	joinPool(e);
166		}
167
168		/**
169	<	* invoke of a runnable runs it to completion
169	>	* unconfigurableExecutorService(null) throws NPE
170		*/
171	<	public void testInvokeRunnable () {
171	>	public void testUnconfigurableExecutorServiceNPE() {
172		try {
173	<	Executor e = new DirectExecutor();
174	<	MyTask task = new MyTask();
175	<	assertFalse(task.isCompleted());
234	<	Executors.invoke(e, task);
235	<	assertTrue(task.isCompleted());
236	<	}
237	<	catch (ExecutionException ex) {
238	<	unexpectedException();
239	<	}
240	<	catch (InterruptedException ex) {
241	<	unexpectedException();
242	<	}
173	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
174	>	shouldThrow();
175	>	} catch (NullPointerException success) {}
176		}
177
178		/**
179	<	* execute of a callable runs it to completion
179	>	* unconfigurableScheduledExecutorService(null) throws NPE
180		*/
181	<	public void testExecuteCallable () {
181	>	public void testUnconfigurableScheduledExecutorServiceNPE() {
182		try {
183	<	Executor e = new DirectExecutor();
184	<	Future<String> future = Executors.execute(e, new StringTask());
185	<	String result = future.get();
253	<	assertSame(TEST_STRING, result);
254	<	}
255	<	catch (ExecutionException ex) {
256	<	unexpectedException();
257	<	}
258	<	catch (InterruptedException ex) {
259	<	unexpectedException();
260	<	}
183	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
184	>	shouldThrow();
185	>	} catch (NullPointerException success) {}
186		}
187
188		/**
189	<	* invoke of a collable runs it to completion
189	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
190		*/
191	<	public void testInvokeCallable () {
191	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
192	>	ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
193		try {
194	<	Executor e = new DirectExecutor();
195	<	String result = Executors.invoke(e, new StringTask());
196	<
197	<	assertSame(TEST_STRING, result);
198	<	}
199	<	catch (ExecutionException ex) {
200	<	unexpectedException();
201	<	}
202	<	catch (InterruptedException ex) {
203	<	unexpectedException();
194	>	final CountDownLatch proceed = new CountDownLatch(1);
195	>	final Runnable task = new CheckedRunnable() {
196	>	public void realRun() {
197	>	await(proceed);
198	>	}};
199	>	long startTime = System.nanoTime();
200	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
201	>	timeoutMillis(), MILLISECONDS);
202	>	assertFalse(f.isDone());
203	>	proceed.countDown();
204	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
205	>	assertSame(Boolean.TRUE, f.get());
206	>	assertTrue(f.isDone());
207	>	assertFalse(f.isCancelled());
208	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
209	>	} finally {
210	>	joinPool(p);
211		}
212		}
213
214		/**
215	<	* execute with null executor throws NPE
215	>	* a newScheduledThreadPool successfully runs delayed task
216		*/
217	<	public void testNullExecuteRunnable () {
217	>	public void testNewScheduledThreadPool() throws Exception {
218	>	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
219		try {
220	<	MyTask task = new MyTask();
221	<	assertFalse(task.isCompleted());
222	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
223	<	shouldThrow();
224	<	}
225	<	catch (NullPointerException success) {
226	<	}
227	<	catch (Exception ex) {
228	<	unexpectedException();
220	>	final CountDownLatch proceed = new CountDownLatch(1);
221	>	final Runnable task = new CheckedRunnable() {
222	>	public void realRun() {
223	>	await(proceed);
224	>	}};
225	>	long startTime = System.nanoTime();
226	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
227	>	timeoutMillis(), MILLISECONDS);
228	>	assertFalse(f.isDone());
229	>	proceed.countDown();
230	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
231	>	assertSame(Boolean.TRUE, f.get());
232	>	assertTrue(f.isDone());
233	>	assertFalse(f.isCancelled());
234	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
235	>	} finally {
236	>	joinPool(p);
237		}
238		}
239
240		/**
241	<	* execute with a null runnable throws NPE
241	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
242		*/
243	<	public void testExecuteNullRunnable() {
243	>	public void testUnconfigurableScheduledExecutorService() throws Exception {
244	>	ScheduledExecutorService p =
245	>	Executors.unconfigurableScheduledExecutorService
246	>	(Executors.newScheduledThreadPool(2));
247		try {
248	<	Executor e = new DirectExecutor();
249	<	MyTask task = null;
250	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
251	<	shouldThrow();
252	<	}
253	<	catch (NullPointerException success) {
254	<	}
255	<	catch (Exception ex) {
256	<	unexpectedException();
248	>	final CountDownLatch proceed = new CountDownLatch(1);
249	>	final Runnable task = new CheckedRunnable() {
250	>	public void realRun() {
251	>	await(proceed);
252	>	}};
253	>	long startTime = System.nanoTime();
254	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
255	>	timeoutMillis(), MILLISECONDS);
256	>	assertFalse(f.isDone());
257	>	proceed.countDown();
258	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
259	>	assertSame(Boolean.TRUE, f.get());
260	>	assertTrue(f.isDone());
261	>	assertFalse(f.isCancelled());
262	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
263	>	} finally {
264	>	joinPool(p);
265		}
266		}
267
268		/**
269	<	* invoke of a null runnable throws NPE
269	>	* Future.get on submitted tasks will time out if they compute too long.
270		*/
271	<	public void testInvokeNullRunnable () {
272	<	try {
273	<	Executor e = new DirectExecutor();
274	<	MyTask task = null;
275	<	Executors.invoke(e, task);
276	<	shouldThrow();
277	<	}
278	<	catch (NullPointerException success) {
279	<	}
280	<	catch (Exception ex) {
281	<	unexpectedException();
271	>	public void testTimedCallable() throws Exception {
272	>	final ExecutorService[] executors = {
273	>	Executors.newSingleThreadExecutor(),
274	>	Executors.newCachedThreadPool(),
275	>	Executors.newFixedThreadPool(2),
276	>	Executors.newScheduledThreadPool(2),
277	>	};
278	>
279	>	final Runnable sleeper = new CheckedInterruptedRunnable() {
280	>	public void realRun() throws InterruptedException {
281	>	delay(LONG_DELAY_MS);
282	>	}};
283	>
284	>	List<Thread> threads = new ArrayList<Thread>();
285	>	for (final ExecutorService executor : executors) {
286	>	threads.add(newStartedThread(new CheckedRunnable() {
287	>	public void realRun() {
288	>	Future future = executor.submit(sleeper);
289	>	assertFutureTimesOut(future);
290	>	}}));
291		}
292	+	for (Thread thread : threads)
293	+	awaitTermination(thread);
294	+	for (ExecutorService executor : executors)
295	+	joinPool(executor);
296		}
297
298		/**
299	<	* execute of a null callable throws NPE
299	>	* ThreadPoolExecutor using defaultThreadFactory has
300	>	* specified group, priority, daemon status, and name
301		*/
302	<	public void testExecuteNullCallable () {
303	<	try {
304	<	Executor e = new DirectExecutor();
305	<	StringTask t = null;
306	<	Future<String> future = Executors.execute(e, t);
307	<	shouldThrow();
308	<	}
309	<	catch (NullPointerException success) {
310	<	}
311	<	catch (Exception ex) {
312	<	unexpectedException();
313	<	}
302	>	public void testDefaultThreadFactory() throws Exception {
303	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
304	>	final CountDownLatch done = new CountDownLatch(1);
305	>	Runnable r = new CheckedRunnable() {
306	>	public void realRun() {
307	>	try {
308	>	Thread current = Thread.currentThread();
309	>	assertTrue(!current.isDaemon());
310	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
311	>	ThreadGroup g = current.getThreadGroup();
312	>	SecurityManager s = System.getSecurityManager();
313	>	if (s != null)
314	>	assertTrue(g == s.getThreadGroup());
315	>	else
316	>	assertTrue(g == egroup);
317	>	String name = current.getName();
318	>	assertTrue(name.endsWith("thread-1"));
319	>	} catch (SecurityException ok) {
320	>	// Also pass if not allowed to change setting
321	>	}
322	>	done.countDown();
323	>	}};
324	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
325	>
326	>	e.execute(r);
327	>	await(done);
328	>
329	>	try {
330	>	e.shutdown();
331	>	} catch (SecurityException ok) {
332	>	}
333	>
334	>	joinPool(e);
335		}
336
337		/**
338	<	* invoke of a null callable throws NPE
339	<	*/
340	<	public void testInvokeNullCallable () {
341	<	try {
342	<	Executor e = new DirectExecutor();
343	<	StringTask t = null;
344	<	String result = Executors.invoke(e, t);
345	<	shouldThrow();
338	>	* ThreadPoolExecutor using privilegedThreadFactory has
339	>	* specified group, priority, daemon status, name,
340	>	* access control context and context class loader
341	>	*/
342	>	public void testPrivilegedThreadFactory() throws Exception {
343	>	final CountDownLatch done = new CountDownLatch(1);
344	>	Runnable r = new CheckedRunnable() {
345	>	public void realRun() throws Exception {
346	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
347	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
348	>	final AccessControlContext thisacc = AccessController.getContext();
349	>	Runnable r = new CheckedRunnable() {
350	>	public void realRun() {
351	>	Thread current = Thread.currentThread();
352	>	assertTrue(!current.isDaemon());
353	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
354	>	ThreadGroup g = current.getThreadGroup();
355	>	SecurityManager s = System.getSecurityManager();
356	>	if (s != null)
357	>	assertTrue(g == s.getThreadGroup());
358	>	else
359	>	assertTrue(g == egroup);
360	>	String name = current.getName();
361	>	assertTrue(name.endsWith("thread-1"));
362	>	assertSame(thisccl, current.getContextClassLoader());
363	>	assertEquals(thisacc, AccessController.getContext());
364	>	done.countDown();
365	>	}};
366	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
367	>	e.execute(r);
368	>	await(done);
369	>	e.shutdown();
370	>	joinPool(e);
371	>	}};
372	>
373	>	runWithPermissions(r,
374	>	new RuntimePermission("getClassLoader"),
375	>	new RuntimePermission("setContextClassLoader"),
376	>	new RuntimePermission("modifyThread"));
377	>	}
378	>
379	>	boolean haveCCLPermissions() {
380	>	SecurityManager sm = System.getSecurityManager();
381	>	if (sm != null) {
382	>	try {
383	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
384	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
385	>	} catch (AccessControlException e) {
386	>	return false;
387	>	}
388		}
389	<	catch (NullPointerException success) {
389	>	return true;
390	>	}
391	>
392	>	void checkCCL() {
393	>	SecurityManager sm = System.getSecurityManager();
394	>	if (sm != null) {
395	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
396	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
397		}
398	<	catch (Exception ex) {
399	<	unexpectedException();
398	>	}
399	>
400	>	class CheckCCL implements Callable<Object> {
401	>	public Object call() {
402	>	checkCCL();
403	>	return null;
404		}
405		}
406
407		/**
408	<	*  execute(Executor, Runnable) throws RejectedExecutionException
409	<	*  if saturated.
408	>	* Without class loader permissions, creating
409	>	* privilegedCallableUsingCurrentClassLoader throws ACE
410		*/
411	<	public void testExecute1() {
412	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
413	<	try {
414	<
415	<	for(int i = 0; i < 5; ++i){
416	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
417	<	}
418	<	shouldThrow();
419	<	} catch(RejectedExecutionException success){}
420	<	joinPool(p);
411	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
412	>	Runnable r = new CheckedRunnable() {
413	>	public void realRun() throws Exception {
414	>	if (System.getSecurityManager() == null)
415	>	return;
416	>	try {
417	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
418	>	shouldThrow();
419	>	} catch (AccessControlException success) {}
420	>	}};
421	>
422	>	runWithoutPermissions(r);
423		}
424
425		/**
426	<	*  execute(Executor, Callable)throws RejectedExecutionException
427	<	*  if saturated.
426	>	* With class loader permissions, calling
427	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
428		*/
429	<	public void testExecute2() {
430	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
431	<	try {
432	<	for(int i = 0; i < 5; ++i) {
433	<	Executors.execute(p, new SmallCallable());
434	<	}
435	<	shouldThrow();
393	<	} catch(RejectedExecutionException e){}
394	<	joinPool(p);
395	<	}
429	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
430	>	Runnable r = new CheckedRunnable() {
431	>	public void realRun() throws Exception {
432	>	Executors.privilegedCallableUsingCurrentClassLoader
433	>	(new NoOpCallable())
434	>	.call();
435	>	}};
436
437	+	runWithPermissions(r,
438	+	new RuntimePermission("getClassLoader"),
439	+	new RuntimePermission("setContextClassLoader"));
440	+	}
441
442		/**
443	<	*  invoke(Executor, Runnable) throws InterruptedException if
400	<	*  caller interrupted.
443	>	* Without permissions, calling privilegedCallable throws ACE
444		*/
445	<	public void testInterruptedInvoke() {
446	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
447	<	Thread t = new Thread(new Runnable() {
448	<	public void run() {
449	<	try {
450	<	Executors.invoke(p,new Runnable() {
451	<	public void run() {
452	<	try {
453	<	Thread.sleep(MEDIUM_DELAY_MS);
454	<	shouldThrow();
455	<	} catch(InterruptedException e){
456	<	}
457	<	}
458	<	});
459	<	} catch(InterruptedException success){
460	<	} catch(Exception e) {
461	<	unexpectedException();
462	<	}
463	<
464	<	}
465	<	});
466	<	try {
467	<	t.start();
468	<	Thread.sleep(SHORT_DELAY_MS);
469	<	t.interrupt();
470	<	} catch(Exception e){
471	<	unexpectedException();
472	<	}
473	<	joinPool(p);
445	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
446	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
447	>	Executors.privilegedCallable(new CheckCCL());
448	>
449	>	Runnable r = new CheckedRunnable() {
450	>	public void realRun() throws Exception {
451	>	if (System.getSecurityManager() == null)
452	>	return;
453	>	Callable task = Executors.privilegedCallable(new CheckCCL());
454	>	try {
455	>	task.call();
456	>	shouldThrow();
457	>	} catch (AccessControlException success) {}
458	>	}};
459	>
460	>	runWithoutPermissions(r);
461	>
462	>	// It seems rather difficult to test that the
463	>	// AccessControlContext of the privilegedCallable is used
464	>	// instead of its caller.  Below is a failed attempt to do
465	>	// that, which does not work because the AccessController
466	>	// cannot capture the internal state of the current Policy.
467	>	// It would be much more work to differentiate based on,
468	>	// e.g. CodeSource.
469	>
470	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
471	>	//         final Callable[] task = new Callable[1];
472	>
473	>	//         runWithPermissions
474	>	//             (new CheckedRunnable() {
475	>	//                 public void realRun() {
476	>	//                     if (System.getSecurityManager() == null)
477	>	//                         return;
478	>	//                     noprivAcc[0] = AccessController.getContext();
479	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
480	>	//                     try {
481	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
482	>	//                                                           public Void run() {
483	>	//                                                               checkCCL();
484	>	//                                                               return null;
485	>	//                                                           }}, noprivAcc[0]);
486	>	//                         shouldThrow();
487	>	//                     } catch (AccessControlException success) {}
488	>	//                 }});
489	>
490	>	//         runWithPermissions
491	>	//             (new CheckedRunnable() {
492	>	//                 public void realRun() throws Exception {
493	>	//                     if (System.getSecurityManager() == null)
494	>	//                         return;
495	>	//                     // Verify that we have an underprivileged ACC
496	>	//                     try {
497	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
498	>	//                                                           public Void run() {
499	>	//                                                               checkCCL();
500	>	//                                                               return null;
501	>	//                                                           }}, noprivAcc[0]);
502	>	//                         shouldThrow();
503	>	//                     } catch (AccessControlException success) {}
504	>
505	>	//                     try {
506	>	//                         task[0].call();
507	>	//                         shouldThrow();
508	>	//                     } catch (AccessControlException success) {}
509	>	//                 }},
510	>	//              new RuntimePermission("getClassLoader"),
511	>	//              new RuntimePermission("setContextClassLoader"));
512		}
513
514		/**
515	<	*  invoke(Executor, Runnable) throws ExecutionException if
435	<	*  runnable throws exception.
515	>	* With permissions, calling privilegedCallable succeeds
516		*/
517	<	public void testInvoke3() {
518	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
519	<	try {
520	<	Runnable r = new Runnable() {
521	<	public void run() {
522	<	int i = 5/0;
523	<	}
524	<	};
525	<
446	<	for(int i =0; i < 5; i++){
447	<	Executors.invoke(p,r);
448	<	}
449	<
450	<	shouldThrow();
451	<	} catch(ExecutionException success){
452	<	} catch(Exception e){
453	<	unexpectedException();
454	<	}
455	<	joinPool(p);
517	>	public void testPrivilegedCallableWithPrivs() throws Exception {
518	>	Runnable r = new CheckedRunnable() {
519	>	public void realRun() throws Exception {
520	>	Executors.privilegedCallable(new CheckCCL()).call();
521	>	}};
522	>
523	>	runWithPermissions(r,
524	>	new RuntimePermission("getClassLoader"),
525	>	new RuntimePermission("setContextClassLoader"));
526		}
527
528	+	/**
529	+	* callable(Runnable) returns null when called
530	+	*/
531	+	public void testCallable1() throws Exception {
532	+	Callable c = Executors.callable(new NoOpRunnable());
533	+	assertNull(c.call());
534	+	}
535
536	+	/**
537	+	* callable(Runnable, result) returns result when called
538	+	*/
539	+	public void testCallable2() throws Exception {
540	+	Callable c = Executors.callable(new NoOpRunnable(), one);
541	+	assertSame(one, c.call());
542	+	}
543
544		/**
545	<	*  invoke(Executor, Callable) throws InterruptedException if
462	<	*  callable throws exception
545	>	* callable(PrivilegedAction) returns its result when called
546		*/
547	<	public void testInvoke5() {
548	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
549	<
550	<	final Callable c = new Callable() {
551	<	public Object call() {
469	<	try {
470	<	Executors.invoke(p, new SmallCallable());
471	<	shouldThrow();
472	<	} catch(InterruptedException e){}
473	<	catch(RejectedExecutionException e2){}
474	<	catch(ExecutionException e3){}
475	<	return Boolean.TRUE;
476	<	}
477	<	};
547	>	public void testCallable3() throws Exception {
548	>	Callable c = Executors.callable(new PrivilegedAction() {
549	>	public Object run() { return one; }});
550	>	assertSame(one, c.call());
551	>	}
552
553	+	/**
554	+	* callable(PrivilegedExceptionAction) returns its result when called
555	+	*/
556	+	public void testCallable4() throws Exception {
557	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
558	+	public Object run() { return one; }});
559	+	assertSame(one, c.call());
560	+	}
561
562	<
563	<	Thread t = new Thread(new Runnable() {
564	<	public void run() {
565	<	try {
484	<	c.call();
485	<	} catch(Exception e){}
486	<	}
487	<	});
562	>	/**
563	>	* callable(null Runnable) throws NPE
564	>	*/
565	>	public void testCallableNPE1() {
566		try {
567	<	t.start();
568	<	Thread.sleep(SHORT_DELAY_MS);
569	<	t.interrupt();
492	<	t.join();
493	<	} catch(InterruptedException e){
494	<	unexpectedException();
495	<	}
496	<
497	<	joinPool(p);
567	>	Callable c = Executors.callable((Runnable) null);
568	>	shouldThrow();
569	>	} catch (NullPointerException success) {}
570		}
571
572		/**
573	<	*  invoke(Executor, Callable) will throw ExecutionException
502	<	*  if callable throws exception
573	>	* callable(null, result) throws NPE
574		*/
575	<	public void testInvoke6() {
505	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
506	<
575	>	public void testCallableNPE2() {
576		try {
577	<	Callable c = new Callable() {
509	<	public Object call() {
510	<	int i = 5/0;
511	<	return Boolean.TRUE;
512	<	}
513	<	};
514	<
515	<	for(int i =0; i < 5; i++){
516	<	Executors.invoke(p,c);
517	<	}
518	<
577	>	Callable c = Executors.callable((Runnable) null, one);
578		shouldThrow();
579	<	}
521	<	catch(ExecutionException success){
522	<	} catch(Exception e) {
523	<	unexpectedException();
524	<	}
525	<	joinPool(p);
579	>	} catch (NullPointerException success) {}
580		}
581
528	–
529	–
582		/**
583	<	*  timeouts from execute will time out if they compute too long.
583	>	* callable(null PrivilegedAction) throws NPE
584		*/
585	<	public void testTimedCallable() {
534	<	int N = 10000;
535	<	ExecutorService executor = Executors.newSingleThreadExecutor();
536	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
585	>	public void testCallableNPE3() {
586		try {
587	<	long startTime = System.currentTimeMillis();
588	<
589	<	long i = 0;
541	<	while (tasks.size() < N) {
542	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
543	<	i += 10;
544	<	}
545	<
546	<	int iters = 0;
547	<	BigInteger sum = BigInteger.ZERO;
548	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
549	<	try {
550	<	++iters;
551	<	sum = sum.add(it.next().call());
552	<	}
553	<	catch (TimeoutException success) {
554	<	assertTrue(iters > 0);
555	<	return;
556	<	}
557	<	catch (Exception e) {
558	<	unexpectedException();
559	<	}
560	<	}
561	<	// if by chance we didn't ever time out, total time must be small
562	<	long elapsed = System.currentTimeMillis() - startTime;
563	<	assertTrue(elapsed < N);
564	<	}
565	<	finally {
566	<	joinPool(executor);
567	<	}
587	>	Callable c = Executors.callable((PrivilegedAction) null);
588	>	shouldThrow();
589	>	} catch (NullPointerException success) {}
590		}
591
592	<
593	<
592	>	/**
593	>	* callable(null PrivilegedExceptionAction) throws NPE
594	>	*/
595	>	public void testCallableNPE4() {
596	>	try {
597	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
598	>	shouldThrow();
599	>	} catch (NullPointerException success) {}
600	>	}
601
602		}

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