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Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.8 by dl, Sat Nov 1 18:37:02 2003 UTC vs.
Revision 1.48 by jsr166, Sat Mar 18 20:42:20 2017 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);
21	<	}
22	<
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; }
34	>	return new TestSuite(ExecutorsTest.class);
35		}
36
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 101 | Line 65 | public class ExecutorsTest extends JSR16
65		try {
66		ExecutorService e = 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 136 | 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 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		/**
#	Line 170 | Line 146 | public class ExecutorsTest extends JSR16
146		try {
147		ExecutorService e = Executors.newFixedThreadPool(2, null);
148		shouldThrow();
149	<	}
174	<	catch(NullPointerException success) {
175	<	}
149	>	} catch (NullPointerException success) {}
150		}
151
152		/**
#	Line 182 | Line 156 | public class ExecutorsTest extends JSR16
156		try {
157		ExecutorService e = Executors.newFixedThreadPool(0);
158		shouldThrow();
159	<	}
186	<	catch(IllegalArgumentException success) {
187	<	}
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);
199	<	String result = future.get();
200	<	assertTrue(task.done);
201	<	assertSame(TEST_STRING, result);
202	<	}
203	<	catch (ExecutionException ex) {
204	<	unexpectedException();
205	<	}
206	<	catch (InterruptedException ex) {
207	<	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);
219	<	Executors.invoke(e, task);
220	<	assertTrue(task.done);
221	<	}
222	<	catch (ExecutionException ex) {
223	<	unexpectedException();
224	<	}
225	<	catch (InterruptedException ex) {
226	<	unexpectedException();
227	<	}
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();
238	<	assertSame(TEST_STRING, result);
239	<	}
240	<	catch (ExecutionException ex) {
241	<	unexpectedException();
242	<	}
243	<	catch (InterruptedException ex) {
244	<	unexpectedException();
245	<	}
189	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
190	>	shouldThrow();
191	>	} catch (NullPointerException success) {}
192		}
193
248	–
194		/**
195	<	* execute of a privileged action runs it to completion
195	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
196		*/
197	<	public void testExecutePrivilegedAction() {
198	<	Policy savedPolicy = Policy.getPolicy();
199	<	AdjustablePolicy policy = new AdjustablePolicy();
200	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
201	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
202	<	Policy.setPolicy(policy);
203	<	try {
204	<	Executor e = new DirectExecutor();
205	<	Future future = Executors.execute(e, new PrivilegedAction() {
206	<	public Object run() {
207	<	return TEST_STRING;
208	<	}});
209	<
210	<	Object result = future.get();
211	<	assertSame(TEST_STRING, result);
212	<	}
213	<	catch (ExecutionException ex) {
214	<	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		}
271	–	catch (InterruptedException ex) {
272	–	unexpectedException();
273	–	}
274	–	finally {
275	–	Policy.setPolicy(savedPolicy);
276	–	}
216		}
217
218		/**
219	<	* execute of a privileged exception action runs it to completion
219	>	* a newScheduledThreadPool successfully runs delayed task
220		*/
221	<	public void testExecutePrivilegedExceptionAction() {
222	<	Policy savedPolicy = Policy.getPolicy();
223	<	AdjustablePolicy policy = new AdjustablePolicy();
224	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
225	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
226	<	Policy.setPolicy(policy);
227	<	try {
228	<	Executor e = new DirectExecutor();
229	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
230	<	public Object run() {
231	<	return TEST_STRING;
232	<	}});
233	<
234	<	Object result = future.get();
235	<	assertSame(TEST_STRING, result);
236	<	}
237	<	catch (ExecutionException ex) {
238	<	unexpectedException();
300	<	}
301	<	catch (InterruptedException ex) {
302	<	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		}
304	–	finally {
305	–	Policy.setPolicy(savedPolicy);
306	–	}
240		}
241
242		/**
243	<	* execute of a failed privileged exception action reports exception
243	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
244		*/
245	<	public void testExecuteFailedPrivilegedExceptionAction() {
246	<	Policy savedPolicy = Policy.getPolicy();
247	<	AdjustablePolicy policy = new AdjustablePolicy();
248	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
249	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
250	<	Policy.setPolicy(policy);
251	<	try {
252	<	Executor e = new DirectExecutor();
253	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
254	<	public Object run() throws Exception {
255	<	throw new IndexOutOfBoundsException();
256	<	}});
257	<
258	<	Object result = future.get();
259	<	shouldThrow();
260	<	}
261	<	catch (ExecutionException success) {
262	<	}
263	<	catch (InterruptedException ex) {
264	<	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		}
333	–	finally {
334	–	Policy.setPolicy(savedPolicy);
335	–	}
266		}
267
268		/**
269	<	* invoke of a collable runs it to completion
269	>	* Future.get on submitted tasks will time out if they compute too long.
270		*/
271	<	public void testInvokeCallable() {
272	<	try {
273	<	Executor e = new DirectExecutor();
274	<	String result = Executors.invoke(e, new StringTask());
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	<	assertSame(TEST_STRING, result);
280	<	}
281	<	catch (ExecutionException ex) {
282	<	unexpectedException();
283	<	}
284	<	catch (InterruptedException ex) {
285	<	unexpectedException();
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<>();
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 with null executor throws NPE
299	>	* ThreadPoolExecutor using defaultThreadFactory has
300	>	* specified group, priority, daemon status, and name
301		*/
302	<	public void testNullExecuteRunnable() {
303	<	try {
304	<	TrackedShortRunnable task = new TrackedShortRunnable();
305	<	assertFalse(task.done);
306	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
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	>	assertFalse(current.isDaemon());
310	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
311	>	SecurityManager s = System.getSecurityManager();
312	>	assertSame(current.getThreadGroup(),
313	>	(s == null) ? egroup : s.getThreadGroup());
314	>	assertTrue(current.getName().endsWith("thread-1"));
315	>	} catch (SecurityException ok) {
316	>	// Also pass if not allowed to change setting
317	>	}
318	>	done.countDown();
319	>	}};
320	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
321	>	try (PoolCleaner cleaner = cleaner(e)) {
322	>	e.execute(r);
323	>	await(done);
324		}
325		}
326
327		/**
328	<	* execute with a null runnable throws NPE
328	>	* ThreadPoolExecutor using privilegedThreadFactory has
329	>	* specified group, priority, daemon status, name,
330	>	* access control context and context class loader
331		*/
332	<	public void testExecuteNullRunnable() {
333	<	try {
334	<	Executor e = new DirectExecutor();
335	<	TrackedShortRunnable task = null;
336	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
337	<	shouldThrow();
332	>	public void testPrivilegedThreadFactory() throws Exception {
333	>	final CountDownLatch done = new CountDownLatch(1);
334	>	Runnable r = new CheckedRunnable() {
335	>	public void realRun() throws Exception {
336	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
337	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
338	>	final AccessControlContext thisacc = AccessController.getContext();
339	>	Runnable r = new CheckedRunnable() {
340	>	public void realRun() {
341	>	Thread current = Thread.currentThread();
342	>	assertFalse(current.isDaemon());
343	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
344	>	SecurityManager s = System.getSecurityManager();
345	>	assertSame(current.getThreadGroup(),
346	>	(s == null) ? egroup : s.getThreadGroup());
347	>	assertTrue(current.getName().endsWith("thread-1"));
348	>	assertSame(thisccl, current.getContextClassLoader());
349	>	assertEquals(thisacc, AccessController.getContext());
350	>	done.countDown();
351	>	}};
352	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
353	>	try (PoolCleaner cleaner = cleaner(e)) {
354	>	e.execute(r);
355	>	await(done);
356	>	}
357	>	}};
358	>
359	>	runWithPermissions(r,
360	>	new RuntimePermission("getClassLoader"),
361	>	new RuntimePermission("setContextClassLoader"),
362	>	new RuntimePermission("modifyThread"));
363	>	}
364	>
365	>	boolean haveCCLPermissions() {
366	>	SecurityManager sm = System.getSecurityManager();
367	>	if (sm != null) {
368	>	try {
369	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
370	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
371	>	} catch (AccessControlException e) {
372	>	return false;
373	>	}
374		}
375	<	catch (NullPointerException success) {
375	>	return true;
376	>	}
377	>
378	>	void checkCCL() {
379	>	SecurityManager sm = System.getSecurityManager();
380	>	if (sm != null) {
381	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
382	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
383		}
384	<	catch (Exception ex) {
385	<	unexpectedException();
384	>	}
385	>
386	>	class CheckCCL implements Callable<Object> {
387	>	public Object call() {
388	>	checkCCL();
389	>	return null;
390		}
391		}
392
393		/**
394	<	* invoke of a null runnable throws NPE
394	>	* Without class loader permissions, creating
395	>	* privilegedCallableUsingCurrentClassLoader throws ACE
396		*/
397	<	public void testInvokeNullRunnable() {
398	<	try {
399	<	Executor e = new DirectExecutor();
400	<	TrackedShortRunnable task = null;
401	<	Executors.invoke(e, task);
402	<	shouldThrow();
403	<	}
404	<	catch (NullPointerException success) {
405	<	}
406	<	catch (Exception ex) {
407	<	unexpectedException();
408	<	}
397	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
398	>	Runnable r = new CheckedRunnable() {
399	>	public void realRun() throws Exception {
400	>	if (System.getSecurityManager() == null)
401	>	return;
402	>	try {
403	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
404	>	shouldThrow();
405	>	} catch (AccessControlException success) {}
406	>	}};
407	>
408	>	runWithoutPermissions(r);
409		}
410
411		/**
412	<	* execute of a null callable throws NPE
412	>	* With class loader permissions, calling
413	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
414		*/
415	<	public void testExecuteNullCallable() {
416	<	try {
417	<	Executor e = new DirectExecutor();
418	<	StringTask t = null;
419	<	Future<String> future = Executors.execute(e, t);
420	<	shouldThrow();
421	<	}
422	<	catch (NullPointerException success) {
423	<	}
424	<	catch (Exception ex) {
425	<	unexpectedException();
421	<	}
415	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
416	>	Runnable r = new CheckedRunnable() {
417	>	public void realRun() throws Exception {
418	>	Executors.privilegedCallableUsingCurrentClassLoader
419	>	(new NoOpCallable())
420	>	.call();
421	>	}};
422	>
423	>	runWithPermissions(r,
424	>	new RuntimePermission("getClassLoader"),
425	>	new RuntimePermission("setContextClassLoader"));
426		}
427
428		/**
429	<	* invoke of a null callable throws NPE
429	>	* Without permissions, calling privilegedCallable throws ACE
430		*/
431	<	public void testInvokeNullCallable() {
432	<	try {
433	<	Executor e = new DirectExecutor();
434	<	StringTask t = null;
435	<	String result = Executors.invoke(e, t);
436	<	shouldThrow();
437	<	}
438	<	catch (NullPointerException success) {
439	<	}
440	<	catch (Exception ex) {
441	<	unexpectedException();
442	<	}
431	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
432	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
433	>	Executors.privilegedCallable(new CheckCCL());
434	>
435	>	Runnable r = new CheckedRunnable() {
436	>	public void realRun() throws Exception {
437	>	if (System.getSecurityManager() == null)
438	>	return;
439	>	Callable task = Executors.privilegedCallable(new CheckCCL());
440	>	try {
441	>	task.call();
442	>	shouldThrow();
443	>	} catch (AccessControlException success) {}
444	>	}};
445	>
446	>	runWithoutPermissions(r);
447	>
448	>	// It seems rather difficult to test that the
449	>	// AccessControlContext of the privilegedCallable is used
450	>	// instead of its caller.  Below is a failed attempt to do
451	>	// that, which does not work because the AccessController
452	>	// cannot capture the internal state of the current Policy.
453	>	// It would be much more work to differentiate based on,
454	>	// e.g. CodeSource.
455	>
456	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
457	>	//         final Callable[] task = new Callable[1];
458	>
459	>	//         runWithPermissions
460	>	//             (new CheckedRunnable() {
461	>	//                 public void realRun() {
462	>	//                     if (System.getSecurityManager() == null)
463	>	//                         return;
464	>	//                     noprivAcc[0] = AccessController.getContext();
465	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
466	>	//                     try {
467	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
468	>	//                                                           public Void run() {
469	>	//                                                               checkCCL();
470	>	//                                                               return null;
471	>	//                                                           }}, noprivAcc[0]);
472	>	//                         shouldThrow();
473	>	//                     } catch (AccessControlException success) {}
474	>	//                 }});
475	>
476	>	//         runWithPermissions
477	>	//             (new CheckedRunnable() {
478	>	//                 public void realRun() throws Exception {
479	>	//                     if (System.getSecurityManager() == null)
480	>	//                         return;
481	>	//                     // Verify that we have an underprivileged ACC
482	>	//                     try {
483	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
484	>	//                                                           public Void run() {
485	>	//                                                               checkCCL();
486	>	//                                                               return null;
487	>	//                                                           }}, noprivAcc[0]);
488	>	//                         shouldThrow();
489	>	//                     } catch (AccessControlException success) {}
490	>
491	>	//                     try {
492	>	//                         task[0].call();
493	>	//                         shouldThrow();
494	>	//                     } catch (AccessControlException success) {}
495	>	//                 }},
496	>	//              new RuntimePermission("getClassLoader"),
497	>	//              new RuntimePermission("setContextClassLoader"));
498		}
499
500		/**
501	<	*  execute(Executor, Runnable) throws RejectedExecutionException
443	<	*  if saturated.
501	>	* With permissions, calling privilegedCallable succeeds
502		*/
503	<	public void testExecute1() {
504	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
505	<	try {
506	<
507	<	for(int i = 0; i < 5; ++i){
508	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
509	<	}
510	<	shouldThrow();
511	<	} catch(RejectedExecutionException success){}
454	<	joinPool(p);
503	>	public void testPrivilegedCallableWithPrivs() throws Exception {
504	>	Runnable r = new CheckedRunnable() {
505	>	public void realRun() throws Exception {
506	>	Executors.privilegedCallable(new CheckCCL()).call();
507	>	}};
508	>
509	>	runWithPermissions(r,
510	>	new RuntimePermission("getClassLoader"),
511	>	new RuntimePermission("setContextClassLoader"));
512		}
513
514		/**
515	<	*  execute(Executor, Callable)throws RejectedExecutionException
459	<	*  if saturated.
515	>	* callable(Runnable) returns null when called
516		*/
517	<	public void testExecute2() {
518	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
519	<	try {
464	<	for(int i = 0; i < 5; ++i) {
465	<	Executors.execute(p, new SmallCallable());
466	<	}
467	<	shouldThrow();
468	<	} catch(RejectedExecutionException e){}
469	<	joinPool(p);
517	>	public void testCallable1() throws Exception {
518	>	Callable c = Executors.callable(new NoOpRunnable());
519	>	assertNull(c.call());
520		}
521
472	–
522		/**
523	<	*  invoke(Executor, Runnable) throws InterruptedException if
475	<	*  caller interrupted.
523	>	* callable(Runnable, result) returns result when called
524		*/
525	<	public void testInterruptedInvoke() {
526	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
527	<	Thread t = new Thread(new Runnable() {
480	<	public void run() {
481	<	try {
482	<	Executors.invoke(p,new Runnable() {
483	<	public void run() {
484	<	try {
485	<	Thread.sleep(MEDIUM_DELAY_MS);
486	<	shouldThrow();
487	<	} catch(InterruptedException e){
488	<	}
489	<	}
490	<	});
491	<	} catch(InterruptedException success){
492	<	} catch(Exception e) {
493	<	unexpectedException();
494	<	}
495	<
496	<	}
497	<	});
498	<	try {
499	<	t.start();
500	<	Thread.sleep(SHORT_DELAY_MS);
501	<	t.interrupt();
502	<	} catch(Exception e){
503	<	unexpectedException();
504	<	}
505	<	joinPool(p);
525	>	public void testCallable2() throws Exception {
526	>	Callable c = Executors.callable(new NoOpRunnable(), one);
527	>	assertSame(one, c.call());
528		}
529
530		/**
531	<	*  invoke(Executor, Runnable) throws ExecutionException if
510	<	*  runnable throws exception.
531	>	* callable(PrivilegedAction) returns its result when called
532		*/
533	<	public void testInvoke3() {
534	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
535	<	try {
536	<	Runnable r = new Runnable() {
516	<	public void run() {
517	<	int i = 5/0;
518	<	}
519	<	};
520	<
521	<	for(int i =0; i < 5; i++){
522	<	Executors.invoke(p,r);
523	<	}
524	<
525	<	shouldThrow();
526	<	} catch(ExecutionException success){
527	<	} catch(Exception e){
528	<	unexpectedException();
529	<	}
530	<	joinPool(p);
533	>	public void testCallable3() throws Exception {
534	>	Callable c = Executors.callable(new PrivilegedAction() {
535	>	public Object run() { return one; }});
536	>	assertSame(one, c.call());
537		}
538
533	–
534	–
539		/**
540	<	*  invoke(Executor, Callable) throws InterruptedException if
537	<	*  callable throws exception
540	>	* callable(PrivilegedExceptionAction) returns its result when called
541		*/
542	<	public void testInvoke5() {
543	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
544	<
545	<	final Callable c = new Callable() {
543	<	public Object call() {
544	<	try {
545	<	Executors.invoke(p, new SmallCallable());
546	<	shouldThrow();
547	<	} catch(InterruptedException e){}
548	<	catch(RejectedExecutionException e2){}
549	<	catch(ExecutionException e3){}
550	<	return Boolean.TRUE;
551	<	}
552	<	};
553	<
554	<
555	<
556	<	Thread t = new Thread(new Runnable() {
557	<	public void run() {
558	<	try {
559	<	c.call();
560	<	} catch(Exception e){}
561	<	}
562	<	});
563	<	try {
564	<	t.start();
565	<	Thread.sleep(SHORT_DELAY_MS);
566	<	t.interrupt();
567	<	t.join();
568	<	} catch(InterruptedException e){
569	<	unexpectedException();
570	<	}
571	<
572	<	joinPool(p);
542	>	public void testCallable4() throws Exception {
543	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
544	>	public Object run() { return one; }});
545	>	assertSame(one, c.call());
546		}
547
548		/**
549	<	*  invoke(Executor, Callable) will throw ExecutionException
577	<	*  if callable throws exception
549	>	* callable(null Runnable) throws NPE
550		*/
551	<	public void testInvoke6() {
580	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
581	<
551	>	public void testCallableNPE1() {
552		try {
553	<	Callable c = new Callable() {
584	<	public Object call() {
585	<	int i = 5/0;
586	<	return Boolean.TRUE;
587	<	}
588	<	};
589	<
590	<	for(int i =0; i < 5; i++){
591	<	Executors.invoke(p,c);
592	<	}
593	<
553	>	Callable c = Executors.callable((Runnable) null);
554		shouldThrow();
555	<	}
596	<	catch(ExecutionException success){
597	<	} catch(Exception e) {
598	<	unexpectedException();
599	<	}
600	<	joinPool(p);
555	>	} catch (NullPointerException success) {}
556		}
557
603	–
604	–
558		/**
559	<	*  timeouts from execute will time out if they compute too long.
559	>	* callable(null, result) throws NPE
560		*/
561	<	public void testTimedCallable() {
609	<	int N = 10000;
610	<	ExecutorService executor = Executors.newSingleThreadExecutor();
611	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
561	>	public void testCallableNPE2() {
562		try {
563	<	long startTime = System.currentTimeMillis();
564	<
565	<	long i = 0;
616	<	while (tasks.size() < N) {
617	<	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
618	<	i += 10;
619	<	}
620	<
621	<	int iters = 0;
622	<	BigInteger sum = BigInteger.ZERO;
623	<	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
624	<	try {
625	<	++iters;
626	<	sum = sum.add(it.next().call());
627	<	}
628	<	catch (TimeoutException success) {
629	<	assertTrue(iters > 0);
630	<	return;
631	<	}
632	<	catch (Exception e) {
633	<	unexpectedException();
634	<	}
635	<	}
636	<	// if by chance we didn't ever time out, total time must be small
637	<	long elapsed = System.currentTimeMillis() - startTime;
638	<	assertTrue(elapsed < N);
639	<	}
640	<	finally {
641	<	joinPool(executor);
642	<	}
563	>	Callable c = Executors.callable((Runnable) null, one);
564	>	shouldThrow();
565	>	} catch (NullPointerException success) {}
566		}
567
645	–
568		/**
569	<	* ThreadPoolExecutor using defaultThreadFactory has
648	<	* specified group, priority, daemon status, and name
569	>	* callable(null PrivilegedAction) throws NPE
570		*/
571	<	public void testDefaultThreadFactory() {
572	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
573	<	Runnable r = new Runnable() {
574	<	public void run() {
575	<	Thread current = Thread.currentThread();
655	<	threadAssertTrue(!current.isDaemon());
656	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
657	<	ThreadGroup g = current.getThreadGroup();
658	<	SecurityManager s = System.getSecurityManager();
659	<	if (s != null)
660	<	threadAssertTrue(g == s.getThreadGroup());
661	<	else
662	<	threadAssertTrue(g == egroup);
663	<	String name = current.getName();
664	<	threadAssertTrue(name.endsWith("thread-1"));
665	<	}
666	<	};
667	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
668	<
669	<	e.execute(r);
670	<	e.shutdown();
671	<	try {
672	<	Thread.sleep(SHORT_DELAY_MS);
673	<	} catch (Exception eX) {
674	<	unexpectedException();
675	<	} finally {
676	<	joinPool(e);
677	<	}
571	>	public void testCallableNPE3() {
572	>	try {
573	>	Callable c = Executors.callable((PrivilegedAction) null);
574	>	shouldThrow();
575	>	} catch (NullPointerException success) {}
576		}
577
578		/**
579	<	* ThreadPoolExecutor using privilegedThreadFactory has
682	<	* specified group, priority, daemon status, name,
683	<	* access control context and context class loader
579	>	* callable(null PrivilegedExceptionAction) throws NPE
580		*/
581	<	public void testPrivilegedThreadFactory() {
582	<	Policy savedPolicy = Policy.getPolicy();
583	<	AdjustablePolicy policy = new AdjustablePolicy();
584	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
585	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
690	<	Policy.setPolicy(policy);
691	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
692	<	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
693	<	final AccessControlContext thisacc = AccessController.getContext();
694	<	Runnable r = new Runnable() {
695	<	public void run() {
696	<	Thread current = Thread.currentThread();
697	<	threadAssertTrue(!current.isDaemon());
698	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
699	<	ThreadGroup g = current.getThreadGroup();
700	<	SecurityManager s = System.getSecurityManager();
701	<	if (s != null)
702	<	threadAssertTrue(g == s.getThreadGroup());
703	<	else
704	<	threadAssertTrue(g == egroup);
705	<	String name = current.getName();
706	<	threadAssertTrue(name.endsWith("thread-1"));
707	<	threadAssertTrue(thisccl == current.getContextClassLoader());
708	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
709	<	}
710	<	};
711	<	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
712	<
713	<	Policy.setPolicy(savedPolicy);
714	<	e.execute(r);
715	<	e.shutdown();
716	<	try {
717	<	Thread.sleep(SHORT_DELAY_MS);
718	<	} catch (Exception ex) {
719	<	unexpectedException();
720	<	} finally {
721	<	joinPool(e);
722	<	}
723	<
581	>	public void testCallableNPE4() {
582	>	try {
583	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
584	>	shouldThrow();
585	>	} catch (NullPointerException success) {}
586		}
587
588		}

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