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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.7 by dl, Sun Oct 5 23:00:40 2003 UTC vs.
Revision 1.46 by jsr166, Sun Oct 4 16:14:48 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	>	main(suite(), args);
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 StringTask implements Callable<String> {
25	<	public String call() { return TEST_STRING; }
26	<	}
27	<
28	<	static class DirectExecutor implements Executor {
29	<	public void execute(Runnable r) {
30	<	r.run();
31	<	}
34	>	return new TestSuite(ExecutorsTest.class);
35		}
36
34	–	static class TimedCallable<T> implements Callable<T> {
35	–	private final Executor exec;
36	–	private final Callable<T> func;
37	–	private final long msecs;
38	–
39	–	TimedCallable(Executor exec, Callable<T> func, long msecs) {
40	–	this.exec = exec;
41	–	this.func = func;
42	–	this.msecs = msecs;
43	–	}
44	–
45	–	public T call() throws Exception {
46	–	Future<T> ftask = Executors.execute(exec, func);
47	–	try {
48	–	return ftask.get(msecs, TimeUnit.MILLISECONDS);
49	–	} finally {
50	–	ftask.cancel(true);
51	–	}
52	–	}
53	–	}
54	–
55	–
56	–	private static class Fib implements Callable<BigInteger> {
57	–	private final BigInteger n;
58	–	Fib(long n) {
59	–	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
60	–	this.n = BigInteger.valueOf(n);
61	–	}
62	–	public BigInteger call() {
63	–	BigInteger f1 = BigInteger.ONE;
64	–	BigInteger f2 = f1;
65	–	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
66	–	BigInteger t = f1.add(f2);
67	–	f1 = f2;
68	–	f2 = t;
69	–	}
70	–	return f1;
71	–	}
72	–	};
73	–
37		/**
38		* A newCachedThreadPool can execute runnables
39		*/
40		public void testNewCachedThreadPool1() {
41	<	ExecutorService e = Executors.newCachedThreadPool();
42	<	e.execute(new NoOpRunnable());
43	<	e.execute(new NoOpRunnable());
44	<	e.execute(new NoOpRunnable());
45	<	e.shutdown();
41	>	final ExecutorService e = Executors.newCachedThreadPool();
42	>	try (PoolCleaner cleaner = cleaner(e)) {
43	>	e.execute(new NoOpRunnable());
44	>	e.execute(new NoOpRunnable());
45	>	e.execute(new NoOpRunnable());
46	>	}
47		}
48
49		/**
50		* A newCachedThreadPool with given ThreadFactory can execute runnables
51		*/
52		public void testNewCachedThreadPool2() {
53	<	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
54	<	e.execute(new NoOpRunnable());
55	<	e.execute(new NoOpRunnable());
56	<	e.execute(new NoOpRunnable());
57	<	e.shutdown();
53	>	final ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
54	>	try (PoolCleaner cleaner = cleaner(e)) {
55	>	e.execute(new NoOpRunnable());
56	>	e.execute(new NoOpRunnable());
57	>	e.execute(new NoOpRunnable());
58	>	}
59		}
60
61		/**
#	Line 100 | Line 65 | public class ExecutorsTest extends JSR16
65		try {
66		ExecutorService e = Executors.newCachedThreadPool(null);
67		shouldThrow();
68	<	}
104	<	catch(NullPointerException success) {
105	<	}
68	>	} catch (NullPointerException success) {}
69		}
70
108	–
71		/**
72		* A new SingleThreadExecutor can execute runnables
73		*/
74		public void testNewSingleThreadExecutor1() {
75	<	ExecutorService e = Executors.newSingleThreadExecutor();
76	<	e.execute(new NoOpRunnable());
77	<	e.execute(new NoOpRunnable());
78	<	e.execute(new NoOpRunnable());
79	<	e.shutdown();
75	>	final ExecutorService e = Executors.newSingleThreadExecutor();
76	>	try (PoolCleaner cleaner = cleaner(e)) {
77	>	e.execute(new NoOpRunnable());
78	>	e.execute(new NoOpRunnable());
79	>	e.execute(new NoOpRunnable());
80	>	}
81		}
82
83		/**
84		* A new SingleThreadExecutor with given ThreadFactory can execute runnables
85		*/
86		public void testNewSingleThreadExecutor2() {
87	<	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
88	<	e.execute(new NoOpRunnable());
89	<	e.execute(new NoOpRunnable());
90	<	e.execute(new NoOpRunnable());
91	<	e.shutdown();
87	>	final ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
88	>	try (PoolCleaner cleaner = cleaner(e)) {
89	>	e.execute(new NoOpRunnable());
90	>	e.execute(new NoOpRunnable());
91	>	e.execute(new NoOpRunnable());
92	>	}
93		}
94
95		/**
#	Line 135 | Line 99 | public class ExecutorsTest extends JSR16
99		try {
100		ExecutorService e = Executors.newSingleThreadExecutor(null);
101		shouldThrow();
102	<	}
103	<	catch(NullPointerException success) {
102	>	} catch (NullPointerException success) {}
103	>	}
104	>
105	>	/**
106	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
107	>	*/
108	>	public void testCastNewSingleThreadExecutor() {
109	>	final ExecutorService e = Executors.newSingleThreadExecutor();
110	>	try (PoolCleaner cleaner = cleaner(e)) {
111	>	try {
112	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
113	>	shouldThrow();
114	>	} catch (ClassCastException success) {}
115		}
116		}
117
#	Line 144 | Line 119 | public class ExecutorsTest extends JSR16
119		* A new newFixedThreadPool can execute runnables
120		*/
121		public void testNewFixedThreadPool1() {
122	<	ExecutorService e = Executors.newFixedThreadPool(2);
123	<	e.execute(new NoOpRunnable());
124	<	e.execute(new NoOpRunnable());
125	<	e.execute(new NoOpRunnable());
126	<	e.shutdown();
122	>	final ExecutorService e = Executors.newFixedThreadPool(2);
123	>	try (PoolCleaner cleaner = cleaner(e)) {
124	>	e.execute(new NoOpRunnable());
125	>	e.execute(new NoOpRunnable());
126	>	e.execute(new NoOpRunnable());
127	>	}
128		}
129
130		/**
131		* A new newFixedThreadPool with given ThreadFactory can execute runnables
132		*/
133		public void testNewFixedThreadPool2() {
134	<	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
135	<	e.execute(new NoOpRunnable());
136	<	e.execute(new NoOpRunnable());
137	<	e.execute(new NoOpRunnable());
138	<	e.shutdown();
134	>	final ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
135	>	try (PoolCleaner cleaner = cleaner(e)) {
136	>	e.execute(new NoOpRunnable());
137	>	e.execute(new NoOpRunnable());
138	>	e.execute(new NoOpRunnable());
139	>	}
140		}
141
142		/**
#	Line 169 | Line 146 | public class ExecutorsTest extends JSR16
146		try {
147		ExecutorService e = Executors.newFixedThreadPool(2, null);
148		shouldThrow();
149	<	}
173	<	catch(NullPointerException success) {
174	<	}
149	>	} catch (NullPointerException success) {}
150		}
151
152		/**
#	Line 181 | Line 156 | public class ExecutorsTest extends JSR16
156		try {
157		ExecutorService e = Executors.newFixedThreadPool(0);
158		shouldThrow();
159	<	}
185	<	catch(IllegalArgumentException success) {
186	<	}
159	>	} catch (IllegalArgumentException success) {}
160		}
161
162		/**
163	<	* execute of runnable runs it to completion
163	>	* An unconfigurable newFixedThreadPool can execute runnables
164		*/
165	<	public void testExecuteRunnable() {
166	<	try {
167	<	Executor e = new DirectExecutor();
168	<	TrackedShortRunnable task = new TrackedShortRunnable();
169	<	assertFalse(task.done);
170	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
198	<	String result = future.get();
199	<	assertTrue(task.done);
200	<	assertSame(TEST_STRING, result);
201	<	}
202	<	catch (ExecutionException ex) {
203	<	unexpectedException();
204	<	}
205	<	catch (InterruptedException ex) {
206	<	unexpectedException();
165	>	public void testUnconfigurableExecutorService() {
166	>	final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
167	>	try (PoolCleaner cleaner = cleaner(e)) {
168	>	e.execute(new NoOpRunnable());
169	>	e.execute(new NoOpRunnable());
170	>	e.execute(new NoOpRunnable());
171		}
172		}
173
174		/**
175	<	* invoke of a runnable runs it to completion
175	>	* unconfigurableExecutorService(null) throws NPE
176		*/
177	<	public void testInvokeRunnable() {
177	>	public void testUnconfigurableExecutorServiceNPE() {
178		try {
179	<	Executor e = new DirectExecutor();
180	<	TrackedShortRunnable task = new TrackedShortRunnable();
181	<	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	<	}
179	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
180	>	shouldThrow();
181	>	} catch (NullPointerException success) {}
182		}
183
184		/**
185	<	* execute of a callable runs it to completion
185	>	* unconfigurableScheduledExecutorService(null) throws NPE
186		*/
187	<	public void testExecuteCallable() {
187	>	public void testUnconfigurableScheduledExecutorServiceNPE() {
188		try {
189	<	Executor e = new DirectExecutor();
190	<	Future<String> future = Executors.execute(e, new StringTask());
191	<	String result = future.get();
237	<	assertSame(TEST_STRING, result);
238	<	}
239	<	catch (ExecutionException ex) {
240	<	unexpectedException();
241	<	}
242	<	catch (InterruptedException ex) {
243	<	unexpectedException();
244	<	}
189	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
190	>	shouldThrow();
191	>	} catch (NullPointerException success) {}
192		}
193
194		/**
195	<	* invoke of a collable runs it to completion
195	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
196		*/
197	<	public void testInvokeCallable() {
198	<	try {
199	<	Executor e = new DirectExecutor();
200	<	String result = Executors.invoke(e, new StringTask());
201	<
202	<	assertSame(TEST_STRING, result);
203	<	}
204	<	catch (ExecutionException ex) {
205	<	unexpectedException();
206	<	}
207	<	catch (InterruptedException ex) {
208	<	unexpectedException();
197	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
198	>	final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
199	>	try (PoolCleaner cleaner = cleaner(p)) {
200	>	final CountDownLatch proceed = new CountDownLatch(1);
201	>	final Runnable task = new CheckedRunnable() {
202	>	public void realRun() {
203	>	await(proceed);
204	>	}};
205	>	long startTime = System.nanoTime();
206	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
207	>	timeoutMillis(), MILLISECONDS);
208	>	assertFalse(f.isDone());
209	>	proceed.countDown();
210	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
211	>	assertSame(Boolean.TRUE, f.get());
212	>	assertTrue(f.isDone());
213	>	assertFalse(f.isCancelled());
214	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
215		}
216		}
217
218		/**
219	<	* execute with null executor throws NPE
219	>	* a newScheduledThreadPool successfully runs delayed task
220		*/
221	<	public void testNullExecuteRunnable() {
222	<	try {
223	<	TrackedShortRunnable task = new TrackedShortRunnable();
224	<	assertFalse(task.done);
225	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
226	<	shouldThrow();
227	<	}
228	<	catch (NullPointerException success) {
229	<	}
230	<	catch (Exception ex) {
231	<	unexpectedException();
221	>	public void testNewScheduledThreadPool() throws Exception {
222	>	final ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
223	>	try (PoolCleaner cleaner = cleaner(p)) {
224	>	final CountDownLatch proceed = new CountDownLatch(1);
225	>	final Runnable task = new CheckedRunnable() {
226	>	public void realRun() {
227	>	await(proceed);
228	>	}};
229	>	long startTime = System.nanoTime();
230	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
231	>	timeoutMillis(), MILLISECONDS);
232	>	assertFalse(f.isDone());
233	>	proceed.countDown();
234	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
235	>	assertSame(Boolean.TRUE, f.get());
236	>	assertTrue(f.isDone());
237	>	assertFalse(f.isCancelled());
238	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
239		}
240		}
241
242		/**
243	<	* execute with a null runnable throws NPE
243	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
244		*/
245	<	public void testExecuteNullRunnable() {
246	<	try {
247	<	Executor e = new DirectExecutor();
248	<	TrackedShortRunnable task = null;
249	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
250	<	shouldThrow();
251	<	}
252	<	catch (NullPointerException success) {
253	<	}
254	<	catch (Exception ex) {
255	<	unexpectedException();
245	>	public void testUnconfigurableScheduledExecutorService() throws Exception {
246	>	final ScheduledExecutorService p =
247	>	Executors.unconfigurableScheduledExecutorService
248	>	(Executors.newScheduledThreadPool(2));
249	>	try (PoolCleaner cleaner = cleaner(p)) {
250	>	final CountDownLatch proceed = new CountDownLatch(1);
251	>	final Runnable task = new CheckedRunnable() {
252	>	public void realRun() {
253	>	await(proceed);
254	>	}};
255	>	long startTime = System.nanoTime();
256	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
257	>	timeoutMillis(), MILLISECONDS);
258	>	assertFalse(f.isDone());
259	>	proceed.countDown();
260	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
261	>	assertSame(Boolean.TRUE, f.get());
262	>	assertTrue(f.isDone());
263	>	assertFalse(f.isCancelled());
264	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
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	<	TrackedShortRunnable 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();
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	>	try (PoolCleaner cleaner = cleaner(e)) {
326	>	e.execute(r);
327	>	await(done);
328		}
329		}
330
331		/**
332	<	* invoke of a null callable throws NPE
333	<	*/
334	<	public void testInvokeNullCallable() {
335	<	try {
336	<	Executor e = new DirectExecutor();
337	<	StringTask t = null;
338	<	String result = Executors.invoke(e, t);
339	<	shouldThrow();
332	>	* ThreadPoolExecutor using privilegedThreadFactory has
333	>	* specified group, priority, daemon status, name,
334	>	* access control context and context class loader
335	>	*/
336	>	public void testPrivilegedThreadFactory() throws Exception {
337	>	final CountDownLatch done = new CountDownLatch(1);
338	>	Runnable r = new CheckedRunnable() {
339	>	public void realRun() throws Exception {
340	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
341	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
342	>	final AccessControlContext thisacc = AccessController.getContext();
343	>	Runnable r = new CheckedRunnable() {
344	>	public void realRun() {
345	>	Thread current = Thread.currentThread();
346	>	assertTrue(!current.isDaemon());
347	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
348	>	ThreadGroup g = current.getThreadGroup();
349	>	SecurityManager s = System.getSecurityManager();
350	>	if (s != null)
351	>	assertTrue(g == s.getThreadGroup());
352	>	else
353	>	assertTrue(g == egroup);
354	>	String name = current.getName();
355	>	assertTrue(name.endsWith("thread-1"));
356	>	assertSame(thisccl, current.getContextClassLoader());
357	>	assertEquals(thisacc, AccessController.getContext());
358	>	done.countDown();
359	>	}};
360	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
361	>	try (PoolCleaner cleaner = cleaner(e)) {
362	>	e.execute(r);
363	>	await(done);
364	>	}
365	>	}};
366	>
367	>	runWithPermissions(r,
368	>	new RuntimePermission("getClassLoader"),
369	>	new RuntimePermission("setContextClassLoader"),
370	>	new RuntimePermission("modifyThread"));
371	>	}
372	>
373	>	boolean haveCCLPermissions() {
374	>	SecurityManager sm = System.getSecurityManager();
375	>	if (sm != null) {
376	>	try {
377	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
378	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
379	>	} catch (AccessControlException e) {
380	>	return false;
381	>	}
382		}
383	<	catch (NullPointerException success) {
383	>	return true;
384	>	}
385	>
386	>	void checkCCL() {
387	>	SecurityManager sm = System.getSecurityManager();
388	>	if (sm != null) {
389	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
390	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
391		}
392	<	catch (Exception ex) {
393	<	unexpectedException();
392	>	}
393	>
394	>	class CheckCCL implements Callable<Object> {
395	>	public Object call() {
396	>	checkCCL();
397	>	return null;
398		}
399		}
400
401		/**
402	<	*  execute(Executor, Runnable) throws RejectedExecutionException
403	<	*  if saturated.
402	>	* Without class loader permissions, creating
403	>	* privilegedCallableUsingCurrentClassLoader throws ACE
404		*/
405	<	public void testExecute1() {
406	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
407	<	try {
408	<
409	<	for(int i = 0; i < 5; ++i){
410	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
411	<	}
412	<	shouldThrow();
413	<	} catch(RejectedExecutionException success){}
414	<	joinPool(p);
405	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
406	>	Runnable r = new CheckedRunnable() {
407	>	public void realRun() throws Exception {
408	>	if (System.getSecurityManager() == null)
409	>	return;
410	>	try {
411	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
412	>	shouldThrow();
413	>	} catch (AccessControlException success) {}
414	>	}};
415	>
416	>	runWithoutPermissions(r);
417		}
418
419		/**
420	<	*  execute(Executor, Callable)throws RejectedExecutionException
421	<	*  if saturated.
420	>	* With class loader permissions, calling
421	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
422		*/
423	<	public void testExecute2() {
424	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
425	<	try {
426	<	for(int i = 0; i < 5; ++i) {
427	<	Executors.execute(p, new SmallCallable());
428	<	}
429	<	shouldThrow();
377	<	} catch(RejectedExecutionException e){}
378	<	joinPool(p);
379	<	}
423	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
424	>	Runnable r = new CheckedRunnable() {
425	>	public void realRun() throws Exception {
426	>	Executors.privilegedCallableUsingCurrentClassLoader
427	>	(new NoOpCallable())
428	>	.call();
429	>	}};
430
431	+	runWithPermissions(r,
432	+	new RuntimePermission("getClassLoader"),
433	+	new RuntimePermission("setContextClassLoader"));
434	+	}
435
436		/**
437	<	*  invoke(Executor, Runnable) throws InterruptedException if
384	<	*  caller interrupted.
437	>	* Without permissions, calling privilegedCallable throws ACE
438		*/
439	<	public void testInterruptedInvoke() {
440	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
441	<	Thread t = new Thread(new Runnable() {
442	<	public void run() {
443	<	try {
444	<	Executors.invoke(p,new Runnable() {
445	<	public void run() {
446	<	try {
447	<	Thread.sleep(MEDIUM_DELAY_MS);
448	<	shouldThrow();
449	<	} catch(InterruptedException e){
450	<	}
451	<	}
452	<	});
453	<	} catch(InterruptedException success){
454	<	} catch(Exception e) {
455	<	unexpectedException();
456	<	}
457	<
458	<	}
459	<	});
460	<	try {
461	<	t.start();
462	<	Thread.sleep(SHORT_DELAY_MS);
463	<	t.interrupt();
464	<	} catch(Exception e){
465	<	unexpectedException();
466	<	}
467	<	joinPool(p);
439	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
440	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
441	>	Executors.privilegedCallable(new CheckCCL());
442	>
443	>	Runnable r = new CheckedRunnable() {
444	>	public void realRun() throws Exception {
445	>	if (System.getSecurityManager() == null)
446	>	return;
447	>	Callable task = Executors.privilegedCallable(new CheckCCL());
448	>	try {
449	>	task.call();
450	>	shouldThrow();
451	>	} catch (AccessControlException success) {}
452	>	}};
453	>
454	>	runWithoutPermissions(r);
455	>
456	>	// It seems rather difficult to test that the
457	>	// AccessControlContext of the privilegedCallable is used
458	>	// instead of its caller.  Below is a failed attempt to do
459	>	// that, which does not work because the AccessController
460	>	// cannot capture the internal state of the current Policy.
461	>	// It would be much more work to differentiate based on,
462	>	// e.g. CodeSource.
463	>
464	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
465	>	//         final Callable[] task = new Callable[1];
466	>
467	>	//         runWithPermissions
468	>	//             (new CheckedRunnable() {
469	>	//                 public void realRun() {
470	>	//                     if (System.getSecurityManager() == null)
471	>	//                         return;
472	>	//                     noprivAcc[0] = AccessController.getContext();
473	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
474	>	//                     try {
475	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
476	>	//                                                           public Void run() {
477	>	//                                                               checkCCL();
478	>	//                                                               return null;
479	>	//                                                           }}, noprivAcc[0]);
480	>	//                         shouldThrow();
481	>	//                     } catch (AccessControlException success) {}
482	>	//                 }});
483	>
484	>	//         runWithPermissions
485	>	//             (new CheckedRunnable() {
486	>	//                 public void realRun() throws Exception {
487	>	//                     if (System.getSecurityManager() == null)
488	>	//                         return;
489	>	//                     // Verify that we have an underprivileged ACC
490	>	//                     try {
491	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
492	>	//                                                           public Void run() {
493	>	//                                                               checkCCL();
494	>	//                                                               return null;
495	>	//                                                           }}, noprivAcc[0]);
496	>	//                         shouldThrow();
497	>	//                     } catch (AccessControlException success) {}
498	>
499	>	//                     try {
500	>	//                         task[0].call();
501	>	//                         shouldThrow();
502	>	//                     } catch (AccessControlException success) {}
503	>	//                 }},
504	>	//              new RuntimePermission("getClassLoader"),
505	>	//              new RuntimePermission("setContextClassLoader"));
506		}
507
508		/**
509	<	*  invoke(Executor, Runnable) throws ExecutionException if
419	<	*  runnable throws exception.
509	>	* With permissions, calling privilegedCallable succeeds
510		*/
511	<	public void testInvoke3() {
512	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
513	<	try {
514	<	Runnable r = new Runnable() {
515	<	public void run() {
516	<	int i = 5/0;
517	<	}
518	<	};
519	<
430	<	for(int i =0; i < 5; i++){
431	<	Executors.invoke(p,r);
432	<	}
433	<
434	<	shouldThrow();
435	<	} catch(ExecutionException success){
436	<	} catch(Exception e){
437	<	unexpectedException();
438	<	}
439	<	joinPool(p);
511	>	public void testPrivilegedCallableWithPrivs() throws Exception {
512	>	Runnable r = new CheckedRunnable() {
513	>	public void realRun() throws Exception {
514	>	Executors.privilegedCallable(new CheckCCL()).call();
515	>	}};
516	>
517	>	runWithPermissions(r,
518	>	new RuntimePermission("getClassLoader"),
519	>	new RuntimePermission("setContextClassLoader"));
520		}
521
522	+	/**
523	+	* callable(Runnable) returns null when called
524	+	*/
525	+	public void testCallable1() throws Exception {
526	+	Callable c = Executors.callable(new NoOpRunnable());
527	+	assertNull(c.call());
528	+	}
529
530	+	/**
531	+	* callable(Runnable, result) returns result when called
532	+	*/
533	+	public void testCallable2() throws Exception {
534	+	Callable c = Executors.callable(new NoOpRunnable(), one);
535	+	assertSame(one, c.call());
536	+	}
537
538		/**
539	<	*  invoke(Executor, Callable) throws InterruptedException if
446	<	*  callable throws exception
539	>	* callable(PrivilegedAction) returns its result when called
540		*/
541	<	public void testInvoke5() {
542	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
543	<
544	<	final Callable c = new Callable() {
545	<	public Object call() {
453	<	try {
454	<	Executors.invoke(p, new SmallCallable());
455	<	shouldThrow();
456	<	} catch(InterruptedException e){}
457	<	catch(RejectedExecutionException e2){}
458	<	catch(ExecutionException e3){}
459	<	return Boolean.TRUE;
460	<	}
461	<	};
541	>	public void testCallable3() throws Exception {
542	>	Callable c = Executors.callable(new PrivilegedAction() {
543	>	public Object run() { return one; }});
544	>	assertSame(one, c.call());
545	>	}
546
547	+	/**
548	+	* callable(PrivilegedExceptionAction) returns its result when called
549	+	*/
550	+	public void testCallable4() throws Exception {
551	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
552	+	public Object run() { return one; }});
553	+	assertSame(one, c.call());
554	+	}
555
556	<
557	<	Thread t = new Thread(new Runnable() {
558	<	public void run() {
559	<	try {
468	<	c.call();
469	<	} catch(Exception e){}
470	<	}
471	<	});
556	>	/**
557	>	* callable(null Runnable) throws NPE
558	>	*/
559	>	public void testCallableNPE1() {
560		try {
561	<	t.start();
562	<	Thread.sleep(SHORT_DELAY_MS);
563	<	t.interrupt();
476	<	t.join();
477	<	} catch(InterruptedException e){
478	<	unexpectedException();
479	<	}
480	<
481	<	joinPool(p);
561	>	Callable c = Executors.callable((Runnable) null);
562	>	shouldThrow();
563	>	} catch (NullPointerException success) {}
564		}
565
566		/**
567	<	*  invoke(Executor, Callable) will throw ExecutionException
486	<	*  if callable throws exception
567	>	* callable(null, result) throws NPE
568		*/
569	<	public void testInvoke6() {
489	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
490	<
569	>	public void testCallableNPE2() {
570		try {
571	<	Callable c = new Callable() {
493	<	public Object call() {
494	<	int i = 5/0;
495	<	return Boolean.TRUE;
496	<	}
497	<	};
498	<
499	<	for(int i =0; i < 5; i++){
500	<	Executors.invoke(p,c);
501	<	}
502	<
571	>	Callable c = Executors.callable((Runnable) null, one);
572		shouldThrow();
573	<	}
505	<	catch(ExecutionException success){
506	<	} catch(Exception e) {
507	<	unexpectedException();
508	<	}
509	<	joinPool(p);
573	>	} catch (NullPointerException success) {}
574		}
575
512	–
513	–
576		/**
577	<	*  timeouts from execute will time out if they compute too long.
577	>	* callable(null PrivilegedAction) throws NPE
578		*/
579	<	public void testTimedCallable() {
518	<	int N = 10000;
519	<	ExecutorService executor = Executors.newSingleThreadExecutor();
520	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
579	>	public void testCallableNPE3() {
580		try {
581	<	long startTime = System.currentTimeMillis();
582	<
583	<	long i = 0;
525	<	while (tasks.size() < N) {
526	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
527	<	i += 10;
528	<	}
529	<
530	<	int iters = 0;
531	<	BigInteger sum = BigInteger.ZERO;
532	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
533	<	try {
534	<	++iters;
535	<	sum = sum.add(it.next().call());
536	<	}
537	<	catch (TimeoutException success) {
538	<	assertTrue(iters > 0);
539	<	return;
540	<	}
541	<	catch (Exception e) {
542	<	unexpectedException();
543	<	}
544	<	}
545	<	// if by chance we didn't ever time out, total time must be small
546	<	long elapsed = System.currentTimeMillis() - startTime;
547	<	assertTrue(elapsed < N);
548	<	}
549	<	finally {
550	<	joinPool(executor);
551	<	}
581	>	Callable c = Executors.callable((PrivilegedAction) null);
582	>	shouldThrow();
583	>	} catch (NullPointerException success) {}
584		}
585
586	<
587	<
586	>	/**
587	>	* callable(null PrivilegedExceptionAction) throws NPE
588	>	*/
589	>	public void testCallableNPE4() {
590	>	try {
591	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
592	>	shouldThrow();
593	>	} catch (NullPointerException success) {}
594	>	}
595
596		}

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