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Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.9 by tim, Tue Dec 9 19:09:24 2003 UTC vs.
Revision 1.51 by jsr166, Mon Dec 16 22:55:54 2019 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 Runnable sleeper = new CheckedInterruptedRunnable() {
283	>	public void realRun() throws InterruptedException {
284	>	delay(LONG_DELAY_MS);
285	>	}};
286	>
287	>	List<Thread> threads = new ArrayList<>();
288	>	for (final ExecutorService executor : executors) {
289	>	threads.add(newStartedThread(new CheckedRunnable() {
290	>	public void realRun() {
291	>	Future future = executor.submit(sleeper);
292	>	assertFutureTimesOut(future);
293	>	}}));
294		}
295	<	finally {
296	<	Policy.setPolicy(savedPolicy);
295	>	for (Thread thread : threads)
296	>	awaitTermination(thread);
297	>	for (ExecutorService executor : executors)
298	>	joinPool(executor);
299	>	}
300	>
301	>	/**
302	>	* ThreadPoolExecutor using defaultThreadFactory has
303	>	* specified group, priority, daemon status, and name
304	>	*/
305	>	public void testDefaultThreadFactory() throws Exception {
306	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
307	>	final CountDownLatch done = new CountDownLatch(1);
308	>	Runnable r = new CheckedRunnable() {
309	>	public void realRun() {
310	>	try {
311	>	Thread current = Thread.currentThread();
312	>	assertFalse(current.isDaemon());
313	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
314	>	SecurityManager s = System.getSecurityManager();
315	>	assertSame(current.getThreadGroup(),
316	>	(s == null) ? egroup : s.getThreadGroup());
317	>	assertTrue(current.getName().endsWith("thread-1"));
318	>	} catch (SecurityException ok) {
319	>	// Also pass if not allowed to change setting
320	>	}
321	>	done.countDown();
322	>	}};
323	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
324	>	try (PoolCleaner cleaner = cleaner(e)) {
325	>	e.execute(r);
326	>	await(done);
327		}
328		}
329
330		/**
331	<	* execute of a privileged exception action runs it to completion
331	>	* ThreadPoolExecutor using privilegedThreadFactory has
332	>	* specified group, priority, daemon status, name,
333	>	* access control context and context class loader
334		*/
335	<	public void testExecutePrivilegedExceptionAction() {
336	<	Policy savedPolicy = Policy.getPolicy();
337	<	AdjustablePolicy policy = new AdjustablePolicy();
338	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
339	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
340	<	Policy.setPolicy(policy);
341	<	try {
342	<	Executor e = new DirectExecutor();
343	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
344	<	public Object run() {
345	<	return TEST_STRING;
346	<	}});
335	>	public void testPrivilegedThreadFactory() throws Exception {
336	>	final CountDownLatch done = new CountDownLatch(1);
337	>	Runnable r = new CheckedRunnable() {
338	>	public void realRun() throws Exception {
339	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
340	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
341	>	final AccessControlContext thisacc = AccessController.getContext();
342	>	Runnable r = new CheckedRunnable() {
343	>	public void realRun() {
344	>	Thread current = Thread.currentThread();
345	>	assertFalse(current.isDaemon());
346	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
347	>	SecurityManager s = System.getSecurityManager();
348	>	assertSame(current.getThreadGroup(),
349	>	(s == null) ? egroup : s.getThreadGroup());
350	>	assertTrue(current.getName().endsWith("thread-1"));
351	>	assertSame(thisccl, current.getContextClassLoader());
352	>	assertEquals(thisacc, AccessController.getContext());
353	>	done.countDown();
354	>	}};
355	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
356	>	try (PoolCleaner cleaner = cleaner(e)) {
357	>	e.execute(r);
358	>	await(done);
359	>	}
360	>	}};
361
362	<	Object result = future.get();
363	<	assertSame(TEST_STRING, result);
364	<	}
365	<	catch (ExecutionException ex) {
366	<	unexpectedException();
362	>	runWithPermissions(r,
363	>	new RuntimePermission("getClassLoader"),
364	>	new RuntimePermission("setContextClassLoader"),
365	>	new RuntimePermission("modifyThread"));
366	>	}
367	>
368	>	boolean haveCCLPermissions() {
369	>	SecurityManager sm = System.getSecurityManager();
370	>	if (sm != null) {
371	>	try {
372	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
373	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
374	>	} catch (AccessControlException e) {
375	>	return false;
376	>	}
377		}
378	<	catch (InterruptedException ex) {
379	<	unexpectedException();
378	>	return true;
379	>	}
380	>
381	>	void checkCCL() {
382	>	SecurityManager sm = System.getSecurityManager();
383	>	if (sm != null) {
384	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
385	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
386		}
387	<	finally {
388	<	Policy.setPolicy(savedPolicy);
387	>	}
388	>
389	>	class CheckCCL implements Callable<Object> {
390	>	public Object call() {
391	>	checkCCL();
392	>	return null;
393		}
394		}
395
396		/**
397	<	* execute of a failed privileged exception action reports exception
397	>	* Without class loader permissions, creating
398	>	* privilegedCallableUsingCurrentClassLoader throws ACE
399		*/
400	<	public void testExecuteFailedPrivilegedExceptionAction() {
401	<	Policy savedPolicy = Policy.getPolicy();
402	<	AdjustablePolicy policy = new AdjustablePolicy();
403	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
404	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
405	<	Policy.setPolicy(policy);
406	<	try {
407	<	Executor e = new DirectExecutor();
408	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
409	<	public Object run() throws Exception {
321	<	throw new IndexOutOfBoundsException();
322	<	}});
400	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
401	>	Runnable r = new CheckedRunnable() {
402	>	public void realRun() throws Exception {
403	>	if (System.getSecurityManager() == null)
404	>	return;
405	>	try {
406	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
407	>	shouldThrow();
408	>	} catch (AccessControlException success) {}
409	>	}};
410
411	<	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	<	}
411	>	runWithoutPermissions(r);
412		}
413
414		/**
415	<	* invoke of a collable runs it to completion
415	>	* With class loader permissions, calling
416	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
417		*/
418	<	public void testInvokeCallable() {
419	<	try {
420	<	Executor e = new DirectExecutor();
421	<	String result = Executors.invoke(e, new StringTask());
418	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
419	>	Runnable r = new CheckedRunnable() {
420	>	public void realRun() throws Exception {
421	>	Executors.privilegedCallableUsingCurrentClassLoader
422	>	(new NoOpCallable())
423	>	.call();
424	>	}};
425
426	<	assertSame(TEST_STRING, result);
427	<	}
428	<	catch (ExecutionException ex) {
348	<	unexpectedException();
349	<	}
350	<	catch (InterruptedException ex) {
351	<	unexpectedException();
352	<	}
426	>	runWithPermissions(r,
427	>	new RuntimePermission("getClassLoader"),
428	>	new RuntimePermission("setContextClassLoader"));
429		}
430
431		/**
432	<	* execute with null executor throws NPE
432	>	* Without permissions, calling privilegedCallable throws ACE
433		*/
434	<	public void testNullExecuteRunnable() {
435	<	try {
436	<	TrackedShortRunnable task = new TrackedShortRunnable();
437	<	assertFalse(task.done);
438	<	Future<?> future = Executors.execute(null, task);
439	<	shouldThrow();
440	<	}
441	<	catch (NullPointerException success) {
442	<	}
443	<	catch (Exception ex) {
444	<	unexpectedException();
445	<	}
434	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
435	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
436	>	Executors.privilegedCallable(new CheckCCL());
437	>
438	>	Runnable r = new CheckedRunnable() {
439	>	public void realRun() throws Exception {
440	>	if (System.getSecurityManager() == null)
441	>	return;
442	>	Callable task = Executors.privilegedCallable(new CheckCCL());
443	>	try {
444	>	task.call();
445	>	shouldThrow();
446	>	} catch (AccessControlException success) {}
447	>	}};
448	>
449	>	runWithoutPermissions(r);
450	>
451	>	// It seems rather difficult to test that the
452	>	// AccessControlContext of the privilegedCallable is used
453	>	// instead of its caller.  Below is a failed attempt to do
454	>	// that, which does not work because the AccessController
455	>	// cannot capture the internal state of the current Policy.
456	>	// It would be much more work to differentiate based on,
457	>	// e.g. CodeSource.
458	>
459	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
460	>	//         final Callable[] task = new Callable[1];
461	>
462	>	//         runWithPermissions
463	>	//             (new CheckedRunnable() {
464	>	//                 public void realRun() {
465	>	//                     if (System.getSecurityManager() == null)
466	>	//                         return;
467	>	//                     noprivAcc[0] = AccessController.getContext();
468	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
469	>	//                     try {
470	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
471	>	//                                                           public Void run() {
472	>	//                                                               checkCCL();
473	>	//                                                               return null;
474	>	//                                                           }}, noprivAcc[0]);
475	>	//                         shouldThrow();
476	>	//                     } catch (AccessControlException success) {}
477	>	//                 }});
478	>
479	>	//         runWithPermissions
480	>	//             (new CheckedRunnable() {
481	>	//                 public void realRun() throws Exception {
482	>	//                     if (System.getSecurityManager() == null)
483	>	//                         return;
484	>	//                     // Verify that we have an underprivileged ACC
485	>	//                     try {
486	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
487	>	//                                                           public Void run() {
488	>	//                                                               checkCCL();
489	>	//                                                               return null;
490	>	//                                                           }}, noprivAcc[0]);
491	>	//                         shouldThrow();
492	>	//                     } catch (AccessControlException success) {}
493	>
494	>	//                     try {
495	>	//                         task[0].call();
496	>	//                         shouldThrow();
497	>	//                     } catch (AccessControlException success) {}
498	>	//                 }},
499	>	//              new RuntimePermission("getClassLoader"),
500	>	//              new RuntimePermission("setContextClassLoader"));
501		}
502
503		/**
504	<	* execute with a null runnable throws NPE
504	>	* With permissions, calling privilegedCallable succeeds
505		*/
506	<	public void testExecuteNullRunnable() {
507	<	try {
508	<	Executor e = new DirectExecutor();
509	<	TrackedShortRunnable task = null;
510	<	Future<?> future = Executors.execute(e, task);
511	<	shouldThrow();
512	<	}
513	<	catch (NullPointerException success) {
514	<	}
384	<	catch (Exception ex) {
385	<	unexpectedException();
386	<	}
506	>	public void testPrivilegedCallableWithPrivs() throws Exception {
507	>	Runnable r = new CheckedRunnable() {
508	>	public void realRun() throws Exception {
509	>	Executors.privilegedCallable(new CheckCCL()).call();
510	>	}};
511	>
512	>	runWithPermissions(r,
513	>	new RuntimePermission("getClassLoader"),
514	>	new RuntimePermission("setContextClassLoader"));
515		}
516
517		/**
518	<	* invoke of a null runnable throws NPE
518	>	* callable(Runnable) returns null when called
519		*/
520	<	public void testInvokeNullRunnable() {
521	<	try {
522	<	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	<	}
520	>	public void testCallable1() throws Exception {
521	>	Callable c = Executors.callable(new NoOpRunnable());
522	>	assertNull(c.call());
523		}
524
525		/**
526	<	* execute of a null callable throws NPE
526	>	* callable(Runnable, result) returns result when called
527		*/
528	<	public void testExecuteNullCallable() {
529	<	try {
530	<	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	<	}
528	>	public void testCallable2() throws Exception {
529	>	Callable c = Executors.callable(new NoOpRunnable(), one);
530	>	assertSame(one, c.call());
531		}
532
533		/**
534	<	* invoke of a null callable throws NPE
534	>	* callable(PrivilegedAction) returns its result when called
535		*/
536	<	public void testInvokeNullCallable() {
537	<	try {
538	<	Executor e = new DirectExecutor();
539	<	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	<	}
536	>	public void testCallable3() throws Exception {
537	>	Callable c = Executors.callable(new PrivilegedAction() {
538	>	public Object run() { return one; }});
539	>	assertSame(one, c.call());
540		}
541
542		/**
543	<	*  execute(Executor, Runnable) throws RejectedExecutionException
442	<	*  if saturated.
543	>	* callable(PrivilegedExceptionAction) returns its result when called
544		*/
545	<	public void testExecute1() {
546	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
547	<	try {
548	<
448	<	for(int i = 0; i < 5; ++i){
449	<	Executors.execute(p, new MediumRunnable());
450	<	}
451	<	shouldThrow();
452	<	} catch(RejectedExecutionException success){}
453	<	joinPool(p);
545	>	public void testCallable4() throws Exception {
546	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
547	>	public Object run() { return one; }});
548	>	assertSame(one, c.call());
549		}
550
551		/**
552	<	*  execute(Executor, Callable)throws RejectedExecutionException
458	<	*  if saturated.
552	>	* callable(null Runnable) throws NPE
553		*/
554	<	public void testExecute2() {
461	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
554	>	public void testCallableNPE1() {
555		try {
556	<	for(int i = 0; i < 5; ++i) {
464	<	Executors.execute(p, new SmallCallable());
465	<	}
556	>	Callable unused = Executors.callable((Runnable) null);
557		shouldThrow();
558	<	} catch(RejectedExecutionException e){}
468	<	joinPool(p);
558	>	} catch (NullPointerException success) {}
559		}
560
471	–
561		/**
562	<	*  invoke(Executor, Runnable) throws InterruptedException if
474	<	*  caller interrupted.
562	>	* callable(null, result) throws NPE
563		*/
564	<	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	<	});
564	>	public void testCallableNPE2() {
565		try {
566	<	t.start();
567	<	Thread.sleep(SHORT_DELAY_MS);
568	<	t.interrupt();
501	<	} catch(Exception e){
502	<	unexpectedException();
503	<	}
504	<	joinPool(p);
566	>	Callable unused = Executors.callable((Runnable) null, one);
567	>	shouldThrow();
568	>	} catch (NullPointerException success) {}
569		}
570
571		/**
572	<	*  invoke(Executor, Runnable) throws ExecutionException if
509	<	*  runnable throws exception.
572	>	* callable(null PrivilegedAction) throws NPE
573		*/
574	<	public void testInvoke3() {
512	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
574	>	public void testCallableNPE3() {
575		try {
576	<	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	<
576	>	Callable unused = Executors.callable((PrivilegedAction) null);
577		shouldThrow();
578	<	} catch(ExecutionException success){
526	<	} catch(Exception e){
527	<	unexpectedException();
528	<	}
529	<	joinPool(p);
578	>	} catch (NullPointerException success) {}
579		}
580
532	–
533	–
581		/**
582	<	*  invoke(Executor, Callable) throws InterruptedException if
536	<	*  callable throws exception
582	>	* callable(null PrivilegedExceptionAction) throws NPE
583		*/
584	<	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	<	});
584	>	public void testCallableNPE4() {
585		try {
586	<	t.start();
587	<	Thread.sleep(SHORT_DELAY_MS);
588	<	t.interrupt();
566	<	t.join();
567	<	} catch(InterruptedException e){
568	<	unexpectedException();
569	<	}
570	<
571	<	joinPool(p);
586	>	Callable unused = Executors.callable((PrivilegedExceptionAction) null);
587	>	shouldThrow();
588	>	} catch (NullPointerException success) {}
589		}
590
591		/**
592	<	*  invoke(Executor, Callable) will throw ExecutionException
576	<	*  if callable throws exception
592	>	* callable(runnable, x).toString() contains toString of wrapped task
593		*/
594	<	public void testInvoke6() {
595	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
596	<
597	<	try {
598	<	Callable c = new Callable() {
599	<	public Object call() {
600	<	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();
594	>	public void testCallable_withResult_toString() {
595	>	if (testImplementationDetails) {
596	>	Runnable r = () -> {};
597	>	Callable<String> c = Executors.callable(r, "");
598	>	assertEquals(
599	>	identityString(c) + "[Wrapped task = " + r.toString() + "]",
600	>	c.toString());
601		}
599	–	joinPool(p);
602		}
603
602	–
603	–
604		/**
605	<	*  timeouts from execute will time out if they compute too long.
605	>	* callable(runnable).toString() contains toString of wrapped task
606		*/
607	<	public void testTimedCallable() {
608	<	int N = 10000;
609	<	ExecutorService executor = Executors.newSingleThreadExecutor();
610	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
611	<	try {
612	<	long startTime = System.currentTimeMillis();
613	<
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);
607	>	public void testCallable_toString() {
608	>	if (testImplementationDetails) {
609	>	Runnable r = () -> {};
610	>	Callable<Object> c = Executors.callable(r);
611	>	assertEquals(
612	>	identityString(c) + "[Wrapped task = " + r.toString() + "]",
613	>	c.toString());
614		}
615		}
616
644	–
617		/**
618	<	* ThreadPoolExecutor using defaultThreadFactory has
647	<	* specified group, priority, daemon status, and name
618	>	* privilegedCallable(callable).toString() contains toString of wrapped task
619		*/
620	<	public void testDefaultThreadFactory() {
621	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
622	<	Runnable r = new Runnable() {
623	<	public void run() {
624	<	Thread current = Thread.currentThread();
625	<	threadAssertTrue(!current.isDaemon());
626	<	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);
620	>	public void testPrivilegedCallable_toString() {
621	>	if (testImplementationDetails) {
622	>	Callable<String> c = () -> "";
623	>	Callable<String> priv = Executors.privilegedCallable(c);
624	>	assertEquals(
625	>	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
626	>	priv.toString());
627		}
628		}
629
630		/**
631	<	* ThreadPoolExecutor using privilegedThreadFactory has
632	<	* specified group, priority, daemon status, name,
682	<	* access control context and context class loader
631	>	* privilegedCallableUsingCurrentClassLoader(callable).toString()
632	>	* contains toString of wrapped task
633		*/
634	<	public void testPrivilegedThreadFactory() {
635	<	Policy savedPolicy = Policy.getPolicy();
636	<	AdjustablePolicy policy = new AdjustablePolicy();
637	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
638	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
639	<	Policy.setPolicy(policy);
640	<	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);
634	>	public void testPrivilegedCallableUsingCurrentClassLoader_toString() {
635	>	if (testImplementationDetails) {
636	>	Callable<String> c = () -> "";
637	>	Callable<String> priv = Executors.privilegedCallableUsingCurrentClassLoader(c);
638	>	assertEquals(
639	>	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
640	>	priv.toString());
641		}
722	–
642		}
724	–
643		}

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