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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.9 by tim, Tue Dec 9 19:09:24 2003 UTC vs.
Revision 1.54 by jsr166, Sat Feb 1 18:52:17 2020 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;
15	<	import java.security.*;
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);
35		}
36
23	–	private static final String TEST_STRING = "a test string";
24	–
25	–	private static class StringTask implements Callable<String> {
26	–	public String call() { return TEST_STRING; }
27	–	}
28	–
29	–	static class DirectExecutor implements Executor {
30	–	public void execute(Runnable r) {
31	–	r.run();
32	–	}
33	–	}
34	–
35	–	static class TimedCallable<T> implements Callable<T> {
36	–	private final Executor exec;
37	–	private final Callable<T> func;
38	–	private final long msecs;
39	–
40	–	TimedCallable(Executor exec, Callable<T> func, long msecs) {
41	–	this.exec = exec;
42	–	this.func = func;
43	–	this.msecs = msecs;
44	–	}
45	–
46	–	public T call() throws Exception {
47	–	Future<T> ftask = Executors.execute(exec, func);
48	–	try {
49	–	return ftask.get(msecs, TimeUnit.MILLISECONDS);
50	–	} finally {
51	–	ftask.cancel(true);
52	–	}
53	–	}
54	–	}
55	–
56	–
57	–	private static class Fib implements Callable<BigInteger> {
58	–	private final BigInteger n;
59	–	Fib(long n) {
60	–	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
61	–	this.n = BigInteger.valueOf(n);
62	–	}
63	–	public BigInteger call() {
64	–	BigInteger f1 = BigInteger.ONE;
65	–	BigInteger f2 = f1;
66	–	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
67	–	BigInteger t = f1.add(f2);
68	–	f1 = f2;
69	–	f2 = t;
70	–	}
71	–	return f1;
72	–	}
73	–	};
74	–
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 99 | 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	<	}
105	<	catch(NullPointerException success) {
106	<	}
68	>	} catch (NullPointerException success) {}
69		}
70
109	–
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 134 | 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 145 | 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	<	}
174	<	catch(NullPointerException success) {
175	<	}
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	<	}
186	<	catch(IllegalArgumentException success) {
187	<	}
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	<	TrackedShortRunnable task = new TrackedShortRunnable();
170	<	assertFalse(task.done);
171	<	Future<?> future = Executors.execute(e, task);
199	<	future.get();
200	<	assertTrue(task.done);
201	<	}
202	<	catch (ExecutionException ex) {
203	<	unexpectedException();
204	<	}
205	<	catch (InterruptedException ex) {
206	<	unexpectedException();
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	<	TrackedShortRunnable task = new TrackedShortRunnable();
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);
195	<	}
196	<	catch (ExecutionException ex) {
197	<	unexpectedException();
191	>	ExecutorService unused =
192	>	Executors.unconfigurableScheduledExecutorService(null);
193	>	shouldThrow();
194	>	} catch (NullPointerException success) {}
195	>	}
196	>
197	>	/**
198	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
199	>	*/
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	<	catch (InterruptedException ex) {
220	<	unexpectedException();
219	>	}
220	>
221	>	/**
222	>	* a newScheduledThreadPool successfully runs delayed task
223	>	*/
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	+	* an unconfigurable newScheduledThreadPool successfully runs delayed task
247	+	*/
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	<	* execute of a privileged action runs it to completion
272	>	* Future.get on submitted tasks will time out if they compute too long.
273		*/
274	<	public void testExecutePrivilegedAction() {
275	<	Policy savedPolicy = Policy.getPolicy();
276	<	AdjustablePolicy policy = new AdjustablePolicy();
277	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
278	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
279	<	Policy.setPolicy(policy);
280	<	try {
258	<	Executor e = new DirectExecutor();
259	<	Future future = Executors.execute(e, new PrivilegedAction() {
260	<	public Object run() {
261	<	return TEST_STRING;
262	<	}});
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	<	Object result = future.get();
283	<	assertSame(TEST_STRING, result);
284	<	}
285	<	catch (ExecutionException ex) {
286	<	unexpectedException();
287	<	}
288	<	catch (InterruptedException ex) {
289	<	unexpectedException();
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	<	finally {
298	<	Policy.setPolicy(savedPolicy);
297	>	for (Thread thread : threads)
298	>	awaitTermination(thread);
299	>	done.countDown();
300	>	for (ExecutorService executor : executors)
301	>	joinPool(executor);
302	>	}
303	>
304	>	/**
305	>	* ThreadPoolExecutor using defaultThreadFactory has
306	>	* specified group, priority, daemon status, and name
307	>	*/
308	>	public void testDefaultThreadFactory() throws Exception {
309	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
310	>	final CountDownLatch done = new CountDownLatch(1);
311	>	Runnable r = new CheckedRunnable() {
312	>	public void realRun() {
313	>	try {
314	>	Thread current = Thread.currentThread();
315	>	assertFalse(current.isDaemon());
316	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
317	>	SecurityManager s = System.getSecurityManager();
318	>	assertSame(current.getThreadGroup(),
319	>	(s == null) ? egroup : s.getThreadGroup());
320	>	assertTrue(current.getName().endsWith("thread-1"));
321	>	} catch (SecurityException ok) {
322	>	// Also pass if not allowed to change setting
323	>	}
324	>	done.countDown();
325	>	}};
326	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
327	>	try (PoolCleaner cleaner = cleaner(e)) {
328	>	e.execute(r);
329	>	await(done);
330		}
331		}
332
333		/**
334	<	* execute of a privileged exception action runs it to completion
334	>	* ThreadPoolExecutor using privilegedThreadFactory has
335	>	* specified group, priority, daemon status, name,
336	>	* access control context and context class loader
337		*/
338	<	public void testExecutePrivilegedExceptionAction() {
339	<	Policy savedPolicy = Policy.getPolicy();
340	<	AdjustablePolicy policy = new AdjustablePolicy();
341	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
342	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
343	<	Policy.setPolicy(policy);
344	<	try {
345	<	Executor e = new DirectExecutor();
346	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
347	<	public Object run() {
348	<	return TEST_STRING;
349	<	}});
338	>	public void testPrivilegedThreadFactory() throws Exception {
339	>	final CountDownLatch done = new CountDownLatch(1);
340	>	Runnable r = new CheckedRunnable() {
341	>	public void realRun() throws Exception {
342	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
343	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
344	>	final AccessControlContext thisacc = AccessController.getContext();
345	>	Runnable r = new CheckedRunnable() {
346	>	public void realRun() {
347	>	Thread current = Thread.currentThread();
348	>	assertFalse(current.isDaemon());
349	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
350	>	SecurityManager s = System.getSecurityManager();
351	>	assertSame(current.getThreadGroup(),
352	>	(s == null) ? egroup : s.getThreadGroup());
353	>	assertTrue(current.getName().endsWith("thread-1"));
354	>	assertSame(thisccl, current.getContextClassLoader());
355	>	assertEquals(thisacc, AccessController.getContext());
356	>	done.countDown();
357	>	}};
358	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
359	>	try (PoolCleaner cleaner = cleaner(e)) {
360	>	e.execute(r);
361	>	await(done);
362	>	}
363	>	}};
364
365	<	Object result = future.get();
366	<	assertSame(TEST_STRING, result);
367	<	}
368	<	catch (ExecutionException ex) {
369	<	unexpectedException();
365	>	runWithPermissions(r,
366	>	new RuntimePermission("getClassLoader"),
367	>	new RuntimePermission("setContextClassLoader"),
368	>	new RuntimePermission("modifyThread"));
369	>	}
370	>
371	>	boolean haveCCLPermissions() {
372	>	SecurityManager sm = System.getSecurityManager();
373	>	if (sm != null) {
374	>	try {
375	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
376	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
377	>	} catch (AccessControlException e) {
378	>	return false;
379	>	}
380		}
381	<	catch (InterruptedException ex) {
382	<	unexpectedException();
381	>	return true;
382	>	}
383	>
384	>	void checkCCL() {
385	>	SecurityManager sm = System.getSecurityManager();
386	>	if (sm != null) {
387	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
388	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
389		}
390	<	finally {
391	<	Policy.setPolicy(savedPolicy);
390	>	}
391	>
392	>	class CheckCCL implements Callable<Object> {
393	>	public Object call() {
394	>	checkCCL();
395	>	return null;
396		}
397		}
398
399		/**
400	<	* execute of a failed privileged exception action reports exception
400	>	* Without class loader permissions, creating
401	>	* privilegedCallableUsingCurrentClassLoader throws ACE
402		*/
403	<	public void testExecuteFailedPrivilegedExceptionAction() {
404	<	Policy savedPolicy = Policy.getPolicy();
405	<	AdjustablePolicy policy = new AdjustablePolicy();
406	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
407	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
408	<	Policy.setPolicy(policy);
409	<	try {
410	<	Executor e = new DirectExecutor();
411	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
412	<	public Object run() throws Exception {
321	<	throw new IndexOutOfBoundsException();
322	<	}});
403	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
404	>	Runnable r = new CheckedRunnable() {
405	>	public void realRun() throws Exception {
406	>	if (System.getSecurityManager() == null)
407	>	return;
408	>	try {
409	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
410	>	shouldThrow();
411	>	} catch (AccessControlException success) {}
412	>	}};
413
414	<	Object result = future.get();
325	<	shouldThrow();
326	<	}
327	<	catch (ExecutionException success) {
328	<	}
329	<	catch (InterruptedException ex) {
330	<	unexpectedException();
331	<	}
332	<	finally {
333	<	Policy.setPolicy(savedPolicy);
334	<	}
414	>	runWithoutPermissions(r);
415		}
416
417		/**
418	<	* invoke of a collable runs it to completion
418	>	* With class loader permissions, calling
419	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
420		*/
421	<	public void testInvokeCallable() {
422	<	try {
423	<	Executor e = new DirectExecutor();
424	<	String result = Executors.invoke(e, new StringTask());
421	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
422	>	Runnable r = new CheckedRunnable() {
423	>	public void realRun() throws Exception {
424	>	Executors.privilegedCallableUsingCurrentClassLoader
425	>	(new NoOpCallable())
426	>	.call();
427	>	}};
428
429	<	assertSame(TEST_STRING, result);
430	<	}
431	<	catch (ExecutionException ex) {
348	<	unexpectedException();
349	<	}
350	<	catch (InterruptedException ex) {
351	<	unexpectedException();
352	<	}
429	>	runWithPermissions(r,
430	>	new RuntimePermission("getClassLoader"),
431	>	new RuntimePermission("setContextClassLoader"));
432		}
433
434		/**
435	<	* execute with null executor throws NPE
435	>	* Without permissions, calling privilegedCallable throws ACE
436		*/
437	<	public void testNullExecuteRunnable() {
438	<	try {
439	<	TrackedShortRunnable task = new TrackedShortRunnable();
440	<	assertFalse(task.done);
441	<	Future<?> future = Executors.execute(null, task);
442	<	shouldThrow();
443	<	}
444	<	catch (NullPointerException success) {
445	<	}
446	<	catch (Exception ex) {
447	<	unexpectedException();
448	<	}
437	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
438	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
439	>	Executors.privilegedCallable(new CheckCCL());
440	>
441	>	Runnable r = new CheckedRunnable() {
442	>	public void realRun() throws Exception {
443	>	if (System.getSecurityManager() == null)
444	>	return;
445	>	Callable task = Executors.privilegedCallable(new CheckCCL());
446	>	try {
447	>	task.call();
448	>	shouldThrow();
449	>	} catch (AccessControlException success) {}
450	>	}};
451	>
452	>	runWithoutPermissions(r);
453	>
454	>	// It seems rather difficult to test that the
455	>	// AccessControlContext of the privilegedCallable is used
456	>	// instead of its caller.  Below is a failed attempt to do
457	>	// that, which does not work because the AccessController
458	>	// cannot capture the internal state of the current Policy.
459	>	// It would be much more work to differentiate based on,
460	>	// e.g. CodeSource.
461	>
462	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
463	>	//         final Callable[] task = new Callable[1];
464	>
465	>	//         runWithPermissions
466	>	//             (new CheckedRunnable() {
467	>	//                 public void realRun() {
468	>	//                     if (System.getSecurityManager() == null)
469	>	//                         return;
470	>	//                     noprivAcc[0] = AccessController.getContext();
471	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
472	>	//                     try {
473	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
474	>	//                                                           public Void run() {
475	>	//                                                               checkCCL();
476	>	//                                                               return null;
477	>	//                                                           }}, noprivAcc[0]);
478	>	//                         shouldThrow();
479	>	//                     } catch (AccessControlException success) {}
480	>	//                 }});
481	>
482	>	//         runWithPermissions
483	>	//             (new CheckedRunnable() {
484	>	//                 public void realRun() throws Exception {
485	>	//                     if (System.getSecurityManager() == null)
486	>	//                         return;
487	>	//                     // Verify that we have an underprivileged ACC
488	>	//                     try {
489	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
490	>	//                                                           public Void run() {
491	>	//                                                               checkCCL();
492	>	//                                                               return null;
493	>	//                                                           }}, noprivAcc[0]);
494	>	//                         shouldThrow();
495	>	//                     } catch (AccessControlException success) {}
496	>
497	>	//                     try {
498	>	//                         task[0].call();
499	>	//                         shouldThrow();
500	>	//                     } catch (AccessControlException success) {}
501	>	//                 }},
502	>	//              new RuntimePermission("getClassLoader"),
503	>	//              new RuntimePermission("setContextClassLoader"));
504		}
505
506		/**
507	<	* execute with a null runnable throws NPE
507	>	* With permissions, calling privilegedCallable succeeds
508		*/
509	<	public void testExecuteNullRunnable() {
510	<	try {
511	<	Executor e = new DirectExecutor();
512	<	TrackedShortRunnable task = null;
513	<	Future<?> future = Executors.execute(e, task);
514	<	shouldThrow();
515	<	}
516	<	catch (NullPointerException success) {
517	<	}
384	<	catch (Exception ex) {
385	<	unexpectedException();
386	<	}
509	>	public void testPrivilegedCallableWithPrivs() throws Exception {
510	>	Runnable r = new CheckedRunnable() {
511	>	public void realRun() throws Exception {
512	>	Executors.privilegedCallable(new CheckCCL()).call();
513	>	}};
514	>
515	>	runWithPermissions(r,
516	>	new RuntimePermission("getClassLoader"),
517	>	new RuntimePermission("setContextClassLoader"));
518		}
519
520		/**
521	<	* invoke of a null runnable throws NPE
521	>	* callable(Runnable) returns null when called
522		*/
523	<	public void testInvokeNullRunnable() {
524	<	try {
525	<	Executor e = new DirectExecutor();
395	<	TrackedShortRunnable task = null;
396	<	Executors.invoke(e, task);
397	<	shouldThrow();
398	<	}
399	<	catch (NullPointerException success) {
400	<	}
401	<	catch (Exception ex) {
402	<	unexpectedException();
403	<	}
523	>	public void testCallable1() throws Exception {
524	>	Callable c = Executors.callable(new NoOpRunnable());
525	>	assertNull(c.call());
526		}
527
528		/**
529	<	* execute of a null callable throws NPE
529	>	* callable(Runnable, result) returns result when called
530		*/
531	<	public void testExecuteNullCallable() {
532	<	try {
533	<	Executor e = new DirectExecutor();
412	<	StringTask t = null;
413	<	Future<String> future = Executors.execute(e, t);
414	<	shouldThrow();
415	<	}
416	<	catch (NullPointerException success) {
417	<	}
418	<	catch (Exception ex) {
419	<	unexpectedException();
420	<	}
531	>	public void testCallable2() throws Exception {
532	>	Callable c = Executors.callable(new NoOpRunnable(), one);
533	>	assertSame(one, c.call());
534		}
535
536		/**
537	<	* invoke of a null callable throws NPE
537	>	* callable(PrivilegedAction) returns its result when called
538		*/
539	<	public void testInvokeNullCallable() {
540	<	try {
541	<	Executor e = new DirectExecutor();
542	<	StringTask t = null;
430	<	String result = Executors.invoke(e, t);
431	<	shouldThrow();
432	<	}
433	<	catch (NullPointerException success) {
434	<	}
435	<	catch (Exception ex) {
436	<	unexpectedException();
437	<	}
539	>	public void testCallable3() throws Exception {
540	>	Callable c = Executors.callable(new PrivilegedAction() {
541	>	public Object run() { return one; }});
542	>	assertSame(one, c.call());
543		}
544
545		/**
546	<	*  execute(Executor, Runnable) throws RejectedExecutionException
442	<	*  if saturated.
546	>	* callable(PrivilegedExceptionAction) returns its result when called
547		*/
548	<	public void testExecute1() {
549	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
550	<	try {
551	<
448	<	for(int i = 0; i < 5; ++i){
449	<	Executors.execute(p, new MediumRunnable());
450	<	}
451	<	shouldThrow();
452	<	} catch(RejectedExecutionException success){}
453	<	joinPool(p);
548	>	public void testCallable4() throws Exception {
549	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
550	>	public Object run() { return one; }});
551	>	assertSame(one, c.call());
552		}
553
554		/**
555	<	*  execute(Executor, Callable)throws RejectedExecutionException
458	<	*  if saturated.
555	>	* callable(null Runnable) throws NPE
556		*/
557	<	public void testExecute2() {
461	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
557	>	public void testCallableNPE1() {
558		try {
559	<	for(int i = 0; i < 5; ++i) {
464	<	Executors.execute(p, new SmallCallable());
465	<	}
559	>	Callable unused = Executors.callable((Runnable) null);
560		shouldThrow();
561	<	} catch(RejectedExecutionException e){}
468	<	joinPool(p);
561	>	} catch (NullPointerException success) {}
562		}
563
471	–
564		/**
565	<	*  invoke(Executor, Runnable) throws InterruptedException if
474	<	*  caller interrupted.
565	>	* callable(null, result) throws NPE
566		*/
567	<	public void testInterruptedInvoke() {
477	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
478	<	Thread t = new Thread(new Runnable() {
479	<	public void run() {
480	<	try {
481	<	Executors.invoke(p,new Runnable() {
482	<	public void run() {
483	<	try {
484	<	Thread.sleep(MEDIUM_DELAY_MS);
485	<	shouldThrow();
486	<	} catch(InterruptedException e){
487	<	}
488	<	}
489	<	});
490	<	} catch(InterruptedException success){
491	<	} catch(Exception e) {
492	<	unexpectedException();
493	<	}
494	<
495	<	}
496	<	});
567	>	public void testCallableNPE2() {
568		try {
569	<	t.start();
570	<	Thread.sleep(SHORT_DELAY_MS);
571	<	t.interrupt();
501	<	} catch(Exception e){
502	<	unexpectedException();
503	<	}
504	<	joinPool(p);
569	>	Callable unused = Executors.callable((Runnable) null, one);
570	>	shouldThrow();
571	>	} catch (NullPointerException success) {}
572		}
573
574		/**
575	<	*  invoke(Executor, Runnable) throws ExecutionException if
509	<	*  runnable throws exception.
575	>	* callable(null PrivilegedAction) throws NPE
576		*/
577	<	public void testInvoke3() {
512	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
577	>	public void testCallableNPE3() {
578		try {
579	<	Runnable r = new Runnable() {
515	<	public void run() {
516	<	int i = 5/0;
517	<	}
518	<	};
519	<
520	<	for(int i =0; i < 5; i++){
521	<	Executors.invoke(p,r);
522	<	}
523	<
579	>	Callable unused = Executors.callable((PrivilegedAction) null);
580		shouldThrow();
581	<	} catch(ExecutionException success){
526	<	} catch(Exception e){
527	<	unexpectedException();
528	<	}
529	<	joinPool(p);
581	>	} catch (NullPointerException success) {}
582		}
583
532	–
533	–
584		/**
585	<	*  invoke(Executor, Callable) throws InterruptedException if
536	<	*  callable throws exception
585	>	* callable(null PrivilegedExceptionAction) throws NPE
586		*/
587	<	public void testInvoke5() {
539	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
540	<
541	<	final Callable c = new Callable() {
542	<	public Object call() {
543	<	try {
544	<	Executors.invoke(p, new SmallCallable());
545	<	shouldThrow();
546	<	} catch(InterruptedException e){}
547	<	catch(RejectedExecutionException e2){}
548	<	catch(ExecutionException e3){}
549	<	return Boolean.TRUE;
550	<	}
551	<	};
552	<
553	<
554	<
555	<	Thread t = new Thread(new Runnable() {
556	<	public void run() {
557	<	try {
558	<	c.call();
559	<	} catch(Exception e){}
560	<	}
561	<	});
587	>	public void testCallableNPE4() {
588		try {
589	<	t.start();
590	<	Thread.sleep(SHORT_DELAY_MS);
591	<	t.interrupt();
566	<	t.join();
567	<	} catch(InterruptedException e){
568	<	unexpectedException();
569	<	}
570	<
571	<	joinPool(p);
589	>	Callable unused = Executors.callable((PrivilegedExceptionAction) null);
590	>	shouldThrow();
591	>	} catch (NullPointerException success) {}
592		}
593
594		/**
595	<	*  invoke(Executor, Callable) will throw ExecutionException
576	<	*  if callable throws exception
595	>	* callable(runnable, x).toString() contains toString of wrapped task
596		*/
597	<	public void testInvoke6() {
598	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
599	<
600	<	try {
601	<	Callable c = new Callable() {
602	<	public Object call() {
603	<	int i = 5/0;
585	<	return Boolean.TRUE;
586	<	}
587	<	};
588	<
589	<	for(int i =0; i < 5; i++){
590	<	Executors.invoke(p,c);
591	<	}
592	<
593	<	shouldThrow();
594	<	}
595	<	catch(ExecutionException success){
596	<	} catch(Exception e) {
597	<	unexpectedException();
597	>	public void testCallable_withResult_toString() {
598	>	if (testImplementationDetails) {
599	>	Runnable r = () -> {};
600	>	Callable<String> c = Executors.callable(r, "");
601	>	assertEquals(
602	>	identityString(c) + "[Wrapped task = " + r.toString() + "]",
603	>	c.toString());
604		}
599	–	joinPool(p);
605		}
606
602	–
603	–
607		/**
608	<	*  timeouts from execute will time out if they compute too long.
608	>	* callable(runnable).toString() contains toString of wrapped task
609		*/
610	<	public void testTimedCallable() {
611	<	int N = 10000;
612	<	ExecutorService executor = Executors.newSingleThreadExecutor();
613	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
614	<	try {
615	<	long startTime = System.currentTimeMillis();
616	<
614	<	long i = 0;
615	<	while (tasks.size() < N) {
616	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
617	<	i += 10;
618	<	}
619	<
620	<	int iters = 0;
621	<	BigInteger sum = BigInteger.ZERO;
622	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
623	<	try {
624	<	++iters;
625	<	sum = sum.add(it.next().call());
626	<	}
627	<	catch (TimeoutException success) {
628	<	assertTrue(iters > 0);
629	<	return;
630	<	}
631	<	catch (Exception e) {
632	<	unexpectedException();
633	<	}
634	<	}
635	<	// if by chance we didn't ever time out, total time must be small
636	<	long elapsed = System.currentTimeMillis() - startTime;
637	<	assertTrue(elapsed < N);
638	<	}
639	<	finally {
640	<	joinPool(executor);
610	>	public void testCallable_toString() {
611	>	if (testImplementationDetails) {
612	>	Runnable r = () -> {};
613	>	Callable<Object> c = Executors.callable(r);
614	>	assertEquals(
615	>	identityString(c) + "[Wrapped task = " + r.toString() + "]",
616	>	c.toString());
617		}
618		}
619
644	–
620		/**
621	<	* ThreadPoolExecutor using defaultThreadFactory has
647	<	* specified group, priority, daemon status, and name
621	>	* privilegedCallable(callable).toString() contains toString of wrapped task
622		*/
623	<	public void testDefaultThreadFactory() {
624	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
625	<	Runnable r = new Runnable() {
626	<	public void run() {
627	<	Thread current = Thread.currentThread();
628	<	threadAssertTrue(!current.isDaemon());
629	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
656	<	ThreadGroup g = current.getThreadGroup();
657	<	SecurityManager s = System.getSecurityManager();
658	<	if (s != null)
659	<	threadAssertTrue(g == s.getThreadGroup());
660	<	else
661	<	threadAssertTrue(g == egroup);
662	<	String name = current.getName();
663	<	threadAssertTrue(name.endsWith("thread-1"));
664	<	}
665	<	};
666	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
667	<
668	<	e.execute(r);
669	<	e.shutdown();
670	<	try {
671	<	Thread.sleep(SHORT_DELAY_MS);
672	<	} catch (Exception eX) {
673	<	unexpectedException();
674	<	} finally {
675	<	joinPool(e);
623	>	public void testPrivilegedCallable_toString() {
624	>	if (testImplementationDetails) {
625	>	Callable<String> c = () -> "";
626	>	Callable<String> priv = Executors.privilegedCallable(c);
627	>	assertEquals(
628	>	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
629	>	priv.toString());
630		}
631		}
632
633		/**
634	<	* ThreadPoolExecutor using privilegedThreadFactory has
635	<	* specified group, priority, daemon status, name,
682	<	* access control context and context class loader
634	>	* privilegedCallableUsingCurrentClassLoader(callable).toString()
635	>	* contains toString of wrapped task
636		*/
637	<	public void testPrivilegedThreadFactory() {
638	<	Policy savedPolicy = Policy.getPolicy();
639	<	AdjustablePolicy policy = new AdjustablePolicy();
640	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
641	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
642	<	Policy.setPolicy(policy);
643	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
691	<	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
692	<	final AccessControlContext thisacc = AccessController.getContext();
693	<	Runnable r = new Runnable() {
694	<	public void run() {
695	<	Thread current = Thread.currentThread();
696	<	threadAssertTrue(!current.isDaemon());
697	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
698	<	ThreadGroup g = current.getThreadGroup();
699	<	SecurityManager s = System.getSecurityManager();
700	<	if (s != null)
701	<	threadAssertTrue(g == s.getThreadGroup());
702	<	else
703	<	threadAssertTrue(g == egroup);
704	<	String name = current.getName();
705	<	threadAssertTrue(name.endsWith("thread-1"));
706	<	threadAssertTrue(thisccl == current.getContextClassLoader());
707	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
708	<	}
709	<	};
710	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
711	<
712	<	Policy.setPolicy(savedPolicy);
713	<	e.execute(r);
714	<	e.shutdown();
715	<	try {
716	<	Thread.sleep(SHORT_DELAY_MS);
717	<	} catch (Exception ex) {
718	<	unexpectedException();
719	<	} finally {
720	<	joinPool(e);
637	>	public void testPrivilegedCallableUsingCurrentClassLoader_toString() {
638	>	if (testImplementationDetails) {
639	>	Callable<String> c = () -> "";
640	>	Callable<String> priv = Executors.privilegedCallableUsingCurrentClassLoader(c);
641	>	assertEquals(
642	>	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
643	>	priv.toString());
644		}
722	–
645		}
724	–
646		}

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