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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.6 by dl, Fri Sep 26 15:33:13 2003 UTC vs.
Revision 1.56 by dl, Tue Mar 22 21:29:23 2022 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; }
34	>	return new TestSuite(ExecutorsTest.class);
35		}
36
28	–	static class DirectExecutor implements Executor {
29	–	public void execute(Runnable r) {
30	–	r.run();
31	–	}
32	–	}
33	–
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 98 | Line 63 | public class ExecutorsTest extends JSR16
63		*/
64		public void testNewCachedThreadPool3() {
65		try {
66	<	ExecutorService e = Executors.newCachedThreadPool(null);
66	>	ExecutorService unused = 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 133 | Line 97 | public class ExecutorsTest extends JSR16
97		*/
98		public void testNewSingleThreadExecutor3() {
99		try {
100	<	ExecutorService e = Executors.newSingleThreadExecutor(null);
100	>	ExecutorService unused = 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		/**
143	<	* A new newFixedThreadPool with null ThreadFactory throws NPE
143	>	* A new newFixedThreadPool with null ThreadFactory throws
144	>	* NullPointerException
145		*/
146		public void testNewFixedThreadPool3() {
147		try {
148	<	ExecutorService e = Executors.newFixedThreadPool(2, null);
148	>	ExecutorService unused = Executors.newFixedThreadPool(2, null);
149		shouldThrow();
150	<	}
173	<	catch(NullPointerException success) {
174	<	}
150	>	} catch (NullPointerException success) {}
151		}
152
153		/**
154	<	* A new newFixedThreadPool with 0 threads throws IAE
154	>	* A new newFixedThreadPool with 0 threads throws IllegalArgumentException
155		*/
156		public void testNewFixedThreadPool4() {
157		try {
158	<	ExecutorService e = Executors.newFixedThreadPool(0);
158	>	ExecutorService unused = Executors.newFixedThreadPool(0);
159		shouldThrow();
160	<	}
185	<	catch(IllegalArgumentException success) {
186	<	}
160	>	} catch (IllegalArgumentException success) {}
161		}
162
163		/**
164	<	* execute of runnable runs it to completion
164	>	* An unconfigurable newFixedThreadPool can execute runnables
165		*/
166	<	public void testExecuteRunnable () {
167	<	try {
168	<	Executor e = new DirectExecutor();
169	<	TrackedRunnable task = new TrackedRunnable();
170	<	assertFalse(task.done);
171	<	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();
166	>	public void testUnconfigurableExecutorService() {
167	>	final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
168	>	try (PoolCleaner cleaner = cleaner(e)) {
169	>	e.execute(new NoOpRunnable());
170	>	e.execute(new NoOpRunnable());
171	>	e.execute(new NoOpRunnable());
172		}
173		}
174
175		/**
176	<	* invoke of a runnable runs it to completion
176	>	* unconfigurableExecutorService(null) throws NPE
177		*/
178	<	public void testInvokeRunnable () {
178	>	public void testUnconfigurableExecutorServiceNPE() {
179		try {
180	<	Executor e = new DirectExecutor();
181	<	TrackedRunnable task = new TrackedRunnable();
182	<	assertFalse(task.done);
183	<	Executors.invoke(e, task);
219	<	assertTrue(task.done);
220	<	}
221	<	catch (ExecutionException ex) {
222	<	unexpectedException();
223	<	}
224	<	catch (InterruptedException ex) {
225	<	unexpectedException();
226	<	}
180	>	ExecutorService unused =
181	>	Executors.unconfigurableExecutorService(null);
182	>	shouldThrow();
183	>	} catch (NullPointerException success) {}
184		}
185
186		/**
187	<	* execute of a callable runs it to completion
187	>	* unconfigurableScheduledExecutorService(null) throws NPE
188		*/
189	<	public void testExecuteCallable () {
189	>	public void testUnconfigurableScheduledExecutorServiceNPE() {
190		try {
191	<	Executor e = new DirectExecutor();
192	<	Future<String> future = Executors.execute(e, new StringTask());
193	<	String result = future.get();
194	<	assertSame(TEST_STRING, result);
238	<	}
239	<	catch (ExecutionException ex) {
240	<	unexpectedException();
241	<	}
242	<	catch (InterruptedException ex) {
243	<	unexpectedException();
244	<	}
191	>	ExecutorService unused =
192	>	Executors.unconfigurableScheduledExecutorService(null);
193	>	shouldThrow();
194	>	} catch (NullPointerException success) {}
195		}
196
197		/**
198	<	* invoke of a collable runs it to completion
198	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
199		*/
200	<	public void testInvokeCallable () {
201	<	try {
202	<	Executor e = new DirectExecutor();
203	<	String result = Executors.invoke(e, new StringTask());
204	<
205	<	assertSame(TEST_STRING, result);
206	<	}
207	<	catch (ExecutionException ex) {
208	<	unexpectedException();
209	<	}
210	<	catch (InterruptedException ex) {
211	<	unexpectedException();
200	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
201	>	final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
202	>	try (PoolCleaner cleaner = cleaner(p)) {
203	>	final CountDownLatch proceed = new CountDownLatch(1);
204	>	final Runnable task = new CheckedRunnable() {
205	>	public void realRun() {
206	>	await(proceed);
207	>	}};
208	>	long startTime = System.nanoTime();
209	>	Future<?> f = p.schedule(Executors.callable(task, Boolean.TRUE),
210	>	timeoutMillis(), MILLISECONDS);
211	>	assertFalse(f.isDone());
212	>	proceed.countDown();
213	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
214	>	assertSame(Boolean.TRUE, f.get());
215	>	assertTrue(f.isDone());
216	>	assertFalse(f.isCancelled());
217	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
218		}
219		}
220
221		/**
222	<	* execute with null executor throws NPE
222	>	* a newScheduledThreadPool successfully runs delayed task
223		*/
224	<	public void testNullExecuteRunnable () {
225	<	try {
226	<	TrackedRunnable task = new TrackedRunnable();
227	<	assertFalse(task.done);
228	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
229	<	shouldThrow();
230	<	}
231	<	catch (NullPointerException success) {
232	<	}
233	<	catch (Exception ex) {
234	<	unexpectedException();
224	>	public void testNewScheduledThreadPool() throws Exception {
225	>	final ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
226	>	try (PoolCleaner cleaner = cleaner(p)) {
227	>	final CountDownLatch proceed = new CountDownLatch(1);
228	>	final Runnable task = new CheckedRunnable() {
229	>	public void realRun() {
230	>	await(proceed);
231	>	}};
232	>	long startTime = System.nanoTime();
233	>	Future<?> f = p.schedule(Executors.callable(task, Boolean.TRUE),
234	>	timeoutMillis(), MILLISECONDS);
235	>	assertFalse(f.isDone());
236	>	proceed.countDown();
237	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
238	>	assertSame(Boolean.TRUE, f.get());
239	>	assertTrue(f.isDone());
240	>	assertFalse(f.isCancelled());
241	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
242		}
243		}
244
245		/**
246	<	* execute with a null runnable throws NPE
246	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
247		*/
248	<	public void testExecuteNullRunnable() {
249	<	try {
250	<	Executor e = new DirectExecutor();
251	<	TrackedRunnable task = null;
252	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
253	<	shouldThrow();
254	<	}
255	<	catch (NullPointerException success) {
256	<	}
257	<	catch (Exception ex) {
258	<	unexpectedException();
248	>	public void testUnconfigurableScheduledExecutorService() throws Exception {
249	>	final ScheduledExecutorService p =
250	>	Executors.unconfigurableScheduledExecutorService
251	>	(Executors.newScheduledThreadPool(2));
252	>	try (PoolCleaner cleaner = cleaner(p)) {
253	>	final CountDownLatch proceed = new CountDownLatch(1);
254	>	final Runnable task = new CheckedRunnable() {
255	>	public void realRun() {
256	>	await(proceed);
257	>	}};
258	>	long startTime = System.nanoTime();
259	>	Future<?> f = p.schedule(Executors.callable(task, Boolean.TRUE),
260	>	timeoutMillis(), MILLISECONDS);
261	>	assertFalse(f.isDone());
262	>	proceed.countDown();
263	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
264	>	assertSame(Boolean.TRUE, f.get());
265	>	assertTrue(f.isDone());
266	>	assertFalse(f.isCancelled());
267	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
268		}
269		}
270
271		/**
272	<	* invoke of a null runnable throws NPE
272	>	* Future.get on submitted tasks will time out if they compute too long.
273		*/
274	<	public void testInvokeNullRunnable () {
275	<	try {
276	<	Executor e = new DirectExecutor();
277	<	TrackedRunnable task = null;
278	<	Executors.invoke(e, task);
279	<	shouldThrow();
280	<	}
281	<	catch (NullPointerException success) {
282	<	}
283	<	catch (Exception ex) {
284	<	unexpectedException();
274	>	public void testTimedCallable() throws Exception {
275	>	final ExecutorService[] executors = {
276	>	Executors.newSingleThreadExecutor(),
277	>	Executors.newCachedThreadPool(),
278	>	Executors.newFixedThreadPool(2),
279	>	Executors.newScheduledThreadPool(2),
280	>	};
281	>
282	>	final CountDownLatch done = new CountDownLatch(1);
283	>
284	>	final Runnable sleeper = new CheckedRunnable() {
285	>	public void realRun() throws InterruptedException {
286	>	done.await(LONG_DELAY_MS, MILLISECONDS);
287	>	}};
288	>
289	>	List<Thread> threads = new ArrayList<>();
290	>	for (final ExecutorService executor : executors) {
291	>	threads.add(newStartedThread(new CheckedRunnable() {
292	>	public void realRun() {
293	>	Future<?> future = executor.submit(sleeper);
294	>	assertFutureTimesOut(future);
295	>	}}));
296		}
297	+	for (Thread thread : threads)
298	+	awaitTermination(thread);
299	+	done.countDown();
300	+	for (ExecutorService executor : executors)
301	+	joinPool(executor);
302		}
303
304		/**
305	<	* execute of a null callable throws NPE
305	>	* ThreadPoolExecutor using defaultThreadFactory has
306	>	* specified group, priority, daemon status, and name
307		*/
308	<	public void testExecuteNullCallable () {
309	<	try {
310	<	Executor e = new DirectExecutor();
311	<	StringTask t = null;
312	<	Future<String> future = Executors.execute(e, t);
313	<	shouldThrow();
314	<	}
315	<	catch (NullPointerException success) {
316	<	}
317	<	catch (Exception ex) {
318	<	unexpectedException();
308	>	@SuppressWarnings("removal")
309	>	public void testDefaultThreadFactory() throws Exception {
310	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
311	>	final CountDownLatch done = new CountDownLatch(1);
312	>	Runnable r = new CheckedRunnable() {
313	>	public void realRun() {
314	>	try {
315	>	Thread current = Thread.currentThread();
316	>	assertFalse(current.isDaemon());
317	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
318	>	SecurityManager s = System.getSecurityManager();
319	>	assertSame(current.getThreadGroup(),
320	>	(s == null) ? egroup : s.getThreadGroup());
321	>	assertTrue(current.getName().endsWith("thread-1"));
322	>	} catch (SecurityException ok) {
323	>	// Also pass if not allowed to change setting
324	>	}
325	>	done.countDown();
326	>	}};
327	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
328	>	try (PoolCleaner cleaner = cleaner(e)) {
329	>	e.execute(r);
330	>	await(done);
331		}
332		}
333
334		/**
335	<	* invoke of a null callable throws NPE
336	<	*/
337	<	public void testInvokeNullCallable () {
338	<	try {
339	<	Executor e = new DirectExecutor();
340	<	StringTask t = null;
341	<	String result = Executors.invoke(e, t);
342	<	shouldThrow();
335	>	* ThreadPoolExecutor using privilegedThreadFactory has
336	>	* specified group, priority, daemon status, name,
337	>	* access control context and context class loader
338	>	*/
339	>	@SuppressWarnings("removal")
340	>	public void testPrivilegedThreadFactory() throws Exception {
341	>	final CountDownLatch done = new CountDownLatch(1);
342	>	Runnable r = new CheckedRunnable() {
343	>	public void realRun() throws Exception {
344	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
345	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
346	>	final AccessControlContext thisacc = AccessController.getContext();
347	>	Runnable r = new CheckedRunnable() {
348	>	public void realRun() {
349	>	Thread current = Thread.currentThread();
350	>	assertFalse(current.isDaemon());
351	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
352	>	SecurityManager s = System.getSecurityManager();
353	>	assertSame(current.getThreadGroup(),
354	>	(s == null) ? egroup : s.getThreadGroup());
355	>	assertTrue(current.getName().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	>	@SuppressWarnings("removal")
374	>	boolean haveCCLPermissions() {
375	>	SecurityManager sm = System.getSecurityManager();
376	>	if (sm != null) {
377	>	try {
378	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
379	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
380	>	} catch (AccessControlException e) {
381	>	return false;
382	>	}
383		}
384	<	catch (NullPointerException success) {
384	>	return true;
385	>	}
386	>
387	>	@SuppressWarnings("removal")
388	>	void checkCCL() {
389	>	SecurityManager sm = System.getSecurityManager();
390	>	if (sm != null) {
391	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
392	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
393		}
394	<	catch (Exception ex) {
395	<	unexpectedException();
394	>	}
395	>
396	>	class CheckCCL implements Callable<Object> {
397	>	public Object call() {
398	>	checkCCL();
399	>	return null;
400		}
401		}
402
403		/**
404	<	*  execute(Executor, Runnable) throws RejectedExecutionException
405	<	*  if saturated.
404	>	* Without class loader permissions, creating
405	>	* privilegedCallableUsingCurrentClassLoader throws ACE
406		*/
407	<	public void testExecute1() {
408	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
409	<	try {
410	<
411	<	for(int i = 0; i < 5; ++i){
412	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
413	<	}
414	<	shouldThrow();
415	<	} catch(RejectedExecutionException success){}
416	<	joinPool(p);
407	>	@SuppressWarnings("removal")
408	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
409	>	Runnable r = new CheckedRunnable() {
410	>	public void realRun() throws Exception {
411	>	if (System.getSecurityManager() == null)
412	>	return;
413	>	try {
414	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
415	>	shouldThrow();
416	>	} catch (AccessControlException success) {}
417	>	}};
418	>
419	>	runWithoutPermissions(r);
420		}
421
422		/**
423	<	*  execute(Executor, Callable)throws RejectedExecutionException
424	<	*  if saturated.
423	>	* With class loader permissions, calling
424	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
425		*/
426	<	public void testExecute2() {
427	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
428	<	try {
429	<	for(int i = 0; i < 5; ++i) {
430	<	Executors.execute(p, new SmallCallable());
431	<	}
432	<	shouldThrow();
433	<	} catch(RejectedExecutionException e){}
378	<	joinPool(p);
379	<	}
426	>	@SuppressWarnings("removal")
427	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
428	>	Runnable r = new CheckedRunnable() {
429	>	public void realRun() throws Exception {
430	>	Executors.privilegedCallableUsingCurrentClassLoader
431	>	(new NoOpCallable())
432	>	.call();
433	>	}};
434
435	+	runWithPermissions(r,
436	+	new RuntimePermission("getClassLoader"),
437	+	new RuntimePermission("setContextClassLoader"));
438	+	}
439
440		/**
441	<	*  invoke(Executor, Runnable) throws InterruptedException if
384	<	*  caller interrupted.
441	>	* Without permissions, calling privilegedCallable throws ACE
442		*/
443	<	public void testInterruptedInvoke() {
444	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
445	<	Thread t = new Thread(new Runnable() {
446	<	public void run() {
447	<	try {
448	<	Executors.invoke(p,new Runnable() {
449	<	public void run() {
450	<	try {
451	<	Thread.sleep(MEDIUM_DELAY_MS);
452	<	shouldThrow();
453	<	} catch(InterruptedException e){
454	<	}
455	<	}
456	<	});
457	<	} catch(InterruptedException success){
458	<	} catch(Exception e) {
459	<	unexpectedException();
460	<	}
461	<
462	<	}
463	<	});
464	<	try {
465	<	t.start();
466	<	Thread.sleep(SHORT_DELAY_MS);
467	<	t.interrupt();
468	<	} catch(Exception e){
469	<	unexpectedException();
470	<	}
471	<	joinPool(p);
443	>	@SuppressWarnings("removal")
444	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
445	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
446	>	Executors.privilegedCallable(new CheckCCL());
447	>
448	>	Runnable r = new CheckedRunnable() {
449	>	public void realRun() throws Exception {
450	>	if (System.getSecurityManager() == null)
451	>	return;
452	>	Callable<?> task = Executors.privilegedCallable(new CheckCCL());
453	>	try {
454	>	task.call();
455	>	shouldThrow();
456	>	} catch (AccessControlException success) {}
457	>	}};
458	>
459	>	runWithoutPermissions(r);
460	>
461	>	// It seems rather difficult to test that the
462	>	// AccessControlContext of the privilegedCallable is used
463	>	// instead of its caller.  Below is a failed attempt to do
464	>	// that, which does not work because the AccessController
465	>	// cannot capture the internal state of the current Policy.
466	>	// It would be much more work to differentiate based on,
467	>	// e.g. CodeSource.
468	>
469	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
470	>	//         final Callable[] task = new Callable[1];
471	>
472	>	//         runWithPermissions
473	>	//             (new CheckedRunnable() {
474	>	//                 public void realRun() {
475	>	//                     if (System.getSecurityManager() == null)
476	>	//                         return;
477	>	//                     noprivAcc[0] = AccessController.getContext();
478	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
479	>	//                     try {
480	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
481	>	//                                                           public Void run() {
482	>	//                                                               checkCCL();
483	>	//                                                               return null;
484	>	//                                                           }}, noprivAcc[0]);
485	>	//                         shouldThrow();
486	>	//                     } catch (AccessControlException success) {}
487	>	//                 }});
488	>
489	>	//         runWithPermissions
490	>	//             (new CheckedRunnable() {
491	>	//                 public void realRun() throws Exception {
492	>	//                     if (System.getSecurityManager() == null)
493	>	//                         return;
494	>	//                     // Verify that we have an underprivileged ACC
495	>	//                     try {
496	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
497	>	//                                                           public Void run() {
498	>	//                                                               checkCCL();
499	>	//                                                               return null;
500	>	//                                                           }}, noprivAcc[0]);
501	>	//                         shouldThrow();
502	>	//                     } catch (AccessControlException success) {}
503	>
504	>	//                     try {
505	>	//                         task[0].call();
506	>	//                         shouldThrow();
507	>	//                     } catch (AccessControlException success) {}
508	>	//                 }},
509	>	//              new RuntimePermission("getClassLoader"),
510	>	//              new RuntimePermission("setContextClassLoader"));
511		}
512
513		/**
514	<	*  invoke(Executor, Runnable) throws ExecutionException if
419	<	*  runnable throws exception.
514	>	* With permissions, calling privilegedCallable succeeds
515		*/
516	<	public void testInvoke3() {
517	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
518	<	try {
519	<	Runnable r = new Runnable() {
520	<	public void run() {
521	<	int i = 5/0;
522	<	}
523	<	};
524	<
525	<	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);
516	>	@SuppressWarnings("removal")
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
446	<	*  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() {
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	<	};
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 {
468	<	c.call();
469	<	} catch(Exception e){}
470	<	}
471	<	});
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();
476	<	t.join();
477	<	} catch(InterruptedException e){
478	<	unexpectedException();
479	<	}
480	<
481	<	joinPool(p);
567	>	Callable<?> unused = Executors.callable((Runnable) null);
568	>	shouldThrow();
569	>	} catch (NullPointerException success) {}
570		}
571
572		/**
573	<	*  invoke(Executor, Callable) will throw ExecutionException
486	<	*  if callable throws exception
573	>	* callable(null, result) throws NPE
574		*/
575	<	public void testInvoke6() {
489	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
490	<
575	>	public void testCallableNPE2() {
576		try {
577	<	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	<
577	>	Callable<?> unused = Executors.callable((Runnable) null, one);
578		shouldThrow();
579	<	}
505	<	catch(ExecutionException success){
506	<	} catch(Exception e) {
507	<	unexpectedException();
508	<	}
509	<	joinPool(p);
579	>	} catch (NullPointerException success) {}
580		}
581
582	<
582	>	/**
583	>	* callable(null PrivilegedAction) throws NPE
584	>	*/
585	>	public void testCallableNPE3() {
586	>	try {
587	>	Callable<?> unused = Executors.callable((PrivilegedAction) null);
588	>	shouldThrow();
589	>	} catch (NullPointerException success) {}
590	>	}
591
592		/**
593	<	*  timeouts from execute will time out if they compute too long.
593	>	* callable(null PrivilegedExceptionAction) throws NPE
594		*/
595	<	public void testTimedCallable() {
518	<	int N = 10000;
519	<	ExecutorService executor = Executors.newSingleThreadExecutor();
520	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
595	>	public void testCallableNPE4() {
596		try {
597	<	long startTime = System.currentTimeMillis();
598	<
599	<	long i = 0;
600	<	while (tasks.size() < N) {
601	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
602	<	i += 10;
603	<	}
604	<
605	<	int iters = 0;
606	<	BigInteger sum = BigInteger.ZERO;
607	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
608	<	try {
609	<	++iters;
610	<	sum = sum.add(it.next().call());
611	<	}
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);
597	>	Callable<?> unused = Executors.callable((PrivilegedExceptionAction) null);
598	>	shouldThrow();
599	>	} catch (NullPointerException success) {}
600	>	}
601	>
602	>	/**
603	>	* callable(runnable, x).toString() contains toString of wrapped task
604	>	*/
605	>	public void testCallable_withResult_toString() {
606	>	if (testImplementationDetails) {
607	>	Runnable r = () -> {};
608	>	Callable<String> c = Executors.callable(r, "");
609	>	assertEquals(
610	>	identityString(c) + "[Wrapped task = " + r.toString() + "]",
611	>	c.toString());
612		}
613		}
614
615	<
615	>	/**
616	>	* callable(runnable).toString() contains toString of wrapped task
617	>	*/
618	>	public void testCallable_toString() {
619	>	if (testImplementationDetails) {
620	>	Runnable r = () -> {};
621	>	Callable<Object> c = Executors.callable(r);
622	>	assertEquals(
623	>	identityString(c) + "[Wrapped task = " + r.toString() + "]",
624	>	c.toString());
625	>	}
626	>	}
627
628	+	/**
629	+	* privilegedCallable(callable).toString() contains toString of wrapped task
630	+	*/
631	+	@SuppressWarnings("removal")
632	+	public void testPrivilegedCallable_toString() {
633	+	if (testImplementationDetails) {
634	+	Callable<String> c = () -> "";
635	+	Callable<String> priv = Executors.privilegedCallable(c);
636	+	assertEquals(
637	+	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
638	+	priv.toString());
639	+	}
640	+	}
641
642	+	/**
643	+	* privilegedCallableUsingCurrentClassLoader(callable).toString()
644	+	* contains toString of wrapped task
645	+	*/
646	+	@SuppressWarnings("removal")
647	+	public void testPrivilegedCallableUsingCurrentClassLoader_toString() {
648	+	if (testImplementationDetails) {
649	+	Callable<String> c = () -> "";
650	+	Callable<String> priv = Executors.privilegedCallableUsingCurrentClassLoader(c);
651	+	assertEquals(
652	+	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
653	+	priv.toString());
654	+	}
655	+	}
656		}

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