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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.8 by dl, Sat Nov 1 18:37:02 2003 UTC vs.
Revision 1.53 by jsr166, Sat Feb 1 17:44:35 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);
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; }
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	<	}
34	>	return new TestSuite(ExecutorsTest.class);
35		}
36
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<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();
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);
220	<	assertTrue(task.done);
221	<	}
222	<	catch (ExecutionException ex) {
223	<	unexpectedException();
224	<	}
225	<	catch (InterruptedException ex) {
226	<	unexpectedException();
227	<	}
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 {
259	<	Executor e = new DirectExecutor();
260	<	Future future = Executors.execute(e, new PrivilegedAction() {
261	<	public Object run() {
262	<	return TEST_STRING;
263	<	}});
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 CheckedRunnable() {
283	>	public void realRun() throws InterruptedException {
284	>	try {
285	>	delay(LONG_DELAY_MS);
286	>	} catch (InterruptedException OK) {
287	>	}
288	>	}};
289	>
290	>	List<Thread> threads = new ArrayList<>();
291	>	for (final ExecutorService executor : executors) {
292	>	threads.add(newStartedThread(new CheckedRunnable() {
293	>	public void realRun() {
294	>	Future future = executor.submit(sleeper);
295	>	assertFutureTimesOut(future);
296	>	}}));
297	>	}
298	>	for (Thread thread : threads)
299	>	awaitTermination(thread);
300	>	for (ExecutorService executor : executors)
301	>	executor.shutdownNow(); // assumes shutdownNow interrupts threads
302	>	for (ExecutorService executor : executors)
303	>	joinPool(executor);
304	>	}
305	>
306	>	/**
307	>	* ThreadPoolExecutor using defaultThreadFactory has
308	>	* specified group, priority, daemon status, and name
309	>	*/
310	>	public void testDefaultThreadFactory() throws Exception {
311	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
312	>	final CountDownLatch done = new CountDownLatch(1);
313	>	Runnable r = new CheckedRunnable() {
314	>	public void realRun() {
315	>	try {
316	>	Thread current = Thread.currentThread();
317	>	assertFalse(current.isDaemon());
318	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
319	>	SecurityManager s = System.getSecurityManager();
320	>	assertSame(current.getThreadGroup(),
321	>	(s == null) ? egroup : s.getThreadGroup());
322	>	assertTrue(current.getName().endsWith("thread-1"));
323	>	} catch (SecurityException ok) {
324	>	// Also pass if not allowed to change setting
325	>	}
326	>	done.countDown();
327	>	}};
328	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
329	>	try (PoolCleaner cleaner = cleaner(e)) {
330	>	e.execute(r);
331	>	await(done);
332		}
274	–	finally {
275	–	Policy.setPolicy(savedPolicy);
276	–	}
333		}
334
335		/**
336	<	* execute of a privileged exception action runs it to completion
336	>	* ThreadPoolExecutor using privilegedThreadFactory has
337	>	* specified group, priority, daemon status, name,
338	>	* access control context and context class loader
339		*/
340	<	public void testExecutePrivilegedExceptionAction() {
341	<	Policy savedPolicy = Policy.getPolicy();
342	<	AdjustablePolicy policy = new AdjustablePolicy();
343	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
344	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
345	<	Policy.setPolicy(policy);
346	<	try {
347	<	Executor e = new DirectExecutor();
348	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
349	<	public Object run() {
350	<	return TEST_STRING;
351	<	}});
340	>	public void testPrivilegedThreadFactory() throws Exception {
341	>	final CountDownLatch done = new CountDownLatch(1);
342	>	Runnable r = new CheckedRunnable() {
343	>	public void realRun() throws Exception {
344	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
345	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
346	>	final AccessControlContext thisacc = AccessController.getContext();
347	>	Runnable r = new CheckedRunnable() {
348	>	public void realRun() {
349	>	Thread current = Thread.currentThread();
350	>	assertFalse(current.isDaemon());
351	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
352	>	SecurityManager s = System.getSecurityManager();
353	>	assertSame(current.getThreadGroup(),
354	>	(s == null) ? egroup : s.getThreadGroup());
355	>	assertTrue(current.getName().endsWith("thread-1"));
356	>	assertSame(thisccl, current.getContextClassLoader());
357	>	assertEquals(thisacc, AccessController.getContext());
358	>	done.countDown();
359	>	}};
360	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
361	>	try (PoolCleaner cleaner = cleaner(e)) {
362	>	e.execute(r);
363	>	await(done);
364	>	}
365	>	}};
366
367	<	Object result = future.get();
368	<	assertSame(TEST_STRING, result);
367	>	runWithPermissions(r,
368	>	new RuntimePermission("getClassLoader"),
369	>	new RuntimePermission("setContextClassLoader"),
370	>	new RuntimePermission("modifyThread"));
371	>	}
372	>
373	>	boolean haveCCLPermissions() {
374	>	SecurityManager sm = System.getSecurityManager();
375	>	if (sm != null) {
376	>	try {
377	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
378	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
379	>	} catch (AccessControlException e) {
380	>	return false;
381	>	}
382		}
383	<	catch (ExecutionException ex) {
384	<	unexpectedException();
383	>	return true;
384	>	}
385	>
386	>	void checkCCL() {
387	>	SecurityManager sm = System.getSecurityManager();
388	>	if (sm != null) {
389	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
390	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
391		}
392	<	catch (InterruptedException ex) {
393	<	unexpectedException();
392	>	}
393	>
394	>	class CheckCCL implements Callable<Object> {
395	>	public Object call() {
396	>	checkCCL();
397	>	return null;
398		}
304	–	finally {
305	–	Policy.setPolicy(savedPolicy);
306	–	}
399		}
400
401		/**
402	<	* execute of a failed privileged exception action reports exception
402	>	* Without class loader permissions, creating
403	>	* privilegedCallableUsingCurrentClassLoader throws ACE
404		*/
405	<	public void testExecuteFailedPrivilegedExceptionAction() {
406	<	Policy savedPolicy = Policy.getPolicy();
407	<	AdjustablePolicy policy = new AdjustablePolicy();
408	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
409	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
410	<	Policy.setPolicy(policy);
411	<	try {
412	<	Executor e = new DirectExecutor();
413	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
414	<	public Object run() throws Exception {
322	<	throw new IndexOutOfBoundsException();
323	<	}});
405	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
406	>	Runnable r = new CheckedRunnable() {
407	>	public void realRun() throws Exception {
408	>	if (System.getSecurityManager() == null)
409	>	return;
410	>	try {
411	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
412	>	shouldThrow();
413	>	} catch (AccessControlException success) {}
414	>	}};
415
416	<	Object result = future.get();
326	<	shouldThrow();
327	<	}
328	<	catch (ExecutionException success) {
329	<	}
330	<	catch (InterruptedException ex) {
331	<	unexpectedException();
332	<	}
333	<	finally {
334	<	Policy.setPolicy(savedPolicy);
335	<	}
416	>	runWithoutPermissions(r);
417		}
418
419		/**
420	<	* invoke of a collable runs it to completion
420	>	* With class loader permissions, calling
421	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
422		*/
423	<	public void testInvokeCallable() {
424	<	try {
425	<	Executor e = new DirectExecutor();
426	<	String result = Executors.invoke(e, new StringTask());
423	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
424	>	Runnable r = new CheckedRunnable() {
425	>	public void realRun() throws Exception {
426	>	Executors.privilegedCallableUsingCurrentClassLoader
427	>	(new NoOpCallable())
428	>	.call();
429	>	}};
430
431	<	assertSame(TEST_STRING, result);
432	<	}
433	<	catch (ExecutionException ex) {
349	<	unexpectedException();
350	<	}
351	<	catch (InterruptedException ex) {
352	<	unexpectedException();
353	<	}
431	>	runWithPermissions(r,
432	>	new RuntimePermission("getClassLoader"),
433	>	new RuntimePermission("setContextClassLoader"));
434		}
435
436		/**
437	<	* execute with null executor throws NPE
437	>	* Without permissions, calling privilegedCallable throws ACE
438		*/
439	<	public void testNullExecuteRunnable() {
440	<	try {
441	<	TrackedShortRunnable task = new TrackedShortRunnable();
442	<	assertFalse(task.done);
443	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
444	<	shouldThrow();
445	<	}
446	<	catch (NullPointerException success) {
447	<	}
448	<	catch (Exception ex) {
449	<	unexpectedException();
450	<	}
439	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
440	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
441	>	Executors.privilegedCallable(new CheckCCL());
442	>
443	>	Runnable r = new CheckedRunnable() {
444	>	public void realRun() throws Exception {
445	>	if (System.getSecurityManager() == null)
446	>	return;
447	>	Callable task = Executors.privilegedCallable(new CheckCCL());
448	>	try {
449	>	task.call();
450	>	shouldThrow();
451	>	} catch (AccessControlException success) {}
452	>	}};
453	>
454	>	runWithoutPermissions(r);
455	>
456	>	// It seems rather difficult to test that the
457	>	// AccessControlContext of the privilegedCallable is used
458	>	// instead of its caller.  Below is a failed attempt to do
459	>	// that, which does not work because the AccessController
460	>	// cannot capture the internal state of the current Policy.
461	>	// It would be much more work to differentiate based on,
462	>	// e.g. CodeSource.
463	>
464	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
465	>	//         final Callable[] task = new Callable[1];
466	>
467	>	//         runWithPermissions
468	>	//             (new CheckedRunnable() {
469	>	//                 public void realRun() {
470	>	//                     if (System.getSecurityManager() == null)
471	>	//                         return;
472	>	//                     noprivAcc[0] = AccessController.getContext();
473	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
474	>	//                     try {
475	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
476	>	//                                                           public Void run() {
477	>	//                                                               checkCCL();
478	>	//                                                               return null;
479	>	//                                                           }}, noprivAcc[0]);
480	>	//                         shouldThrow();
481	>	//                     } catch (AccessControlException success) {}
482	>	//                 }});
483	>
484	>	//         runWithPermissions
485	>	//             (new CheckedRunnable() {
486	>	//                 public void realRun() throws Exception {
487	>	//                     if (System.getSecurityManager() == null)
488	>	//                         return;
489	>	//                     // Verify that we have an underprivileged ACC
490	>	//                     try {
491	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
492	>	//                                                           public Void run() {
493	>	//                                                               checkCCL();
494	>	//                                                               return null;
495	>	//                                                           }}, noprivAcc[0]);
496	>	//                         shouldThrow();
497	>	//                     } catch (AccessControlException success) {}
498	>
499	>	//                     try {
500	>	//                         task[0].call();
501	>	//                         shouldThrow();
502	>	//                     } catch (AccessControlException success) {}
503	>	//                 }},
504	>	//              new RuntimePermission("getClassLoader"),
505	>	//              new RuntimePermission("setContextClassLoader"));
506		}
507
508		/**
509	<	* execute with a null runnable throws NPE
509	>	* With permissions, calling privilegedCallable succeeds
510		*/
511	<	public void testExecuteNullRunnable() {
512	<	try {
513	<	Executor e = new DirectExecutor();
514	<	TrackedShortRunnable task = null;
515	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
516	<	shouldThrow();
517	<	}
518	<	catch (NullPointerException success) {
519	<	}
385	<	catch (Exception ex) {
386	<	unexpectedException();
387	<	}
511	>	public void testPrivilegedCallableWithPrivs() throws Exception {
512	>	Runnable r = new CheckedRunnable() {
513	>	public void realRun() throws Exception {
514	>	Executors.privilegedCallable(new CheckCCL()).call();
515	>	}};
516	>
517	>	runWithPermissions(r,
518	>	new RuntimePermission("getClassLoader"),
519	>	new RuntimePermission("setContextClassLoader"));
520		}
521
522		/**
523	<	* invoke of a null runnable throws NPE
523	>	* callable(Runnable) returns null when called
524		*/
525	<	public void testInvokeNullRunnable() {
526	<	try {
527	<	Executor e = new DirectExecutor();
396	<	TrackedShortRunnable task = null;
397	<	Executors.invoke(e, task);
398	<	shouldThrow();
399	<	}
400	<	catch (NullPointerException success) {
401	<	}
402	<	catch (Exception ex) {
403	<	unexpectedException();
404	<	}
525	>	public void testCallable1() throws Exception {
526	>	Callable c = Executors.callable(new NoOpRunnable());
527	>	assertNull(c.call());
528		}
529
530		/**
531	<	* execute of a null callable throws NPE
531	>	* callable(Runnable, result) returns result when called
532		*/
533	<	public void testExecuteNullCallable() {
534	<	try {
535	<	Executor e = new DirectExecutor();
413	<	StringTask t = null;
414	<	Future<String> future = Executors.execute(e, t);
415	<	shouldThrow();
416	<	}
417	<	catch (NullPointerException success) {
418	<	}
419	<	catch (Exception ex) {
420	<	unexpectedException();
421	<	}
533	>	public void testCallable2() throws Exception {
534	>	Callable c = Executors.callable(new NoOpRunnable(), one);
535	>	assertSame(one, c.call());
536		}
537
538		/**
539	<	* invoke of a null callable throws NPE
539	>	* callable(PrivilegedAction) returns its result when called
540		*/
541	<	public void testInvokeNullCallable() {
542	<	try {
543	<	Executor e = new DirectExecutor();
544	<	StringTask t = null;
431	<	String result = Executors.invoke(e, t);
432	<	shouldThrow();
433	<	}
434	<	catch (NullPointerException success) {
435	<	}
436	<	catch (Exception ex) {
437	<	unexpectedException();
438	<	}
541	>	public void testCallable3() throws Exception {
542	>	Callable c = Executors.callable(new PrivilegedAction() {
543	>	public Object run() { return one; }});
544	>	assertSame(one, c.call());
545		}
546
547		/**
548	<	*  execute(Executor, Runnable) throws RejectedExecutionException
443	<	*  if saturated.
548	>	* callable(PrivilegedExceptionAction) returns its result when called
549		*/
550	<	public void testExecute1() {
551	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
552	<	try {
553	<
449	<	for(int i = 0; i < 5; ++i){
450	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
451	<	}
452	<	shouldThrow();
453	<	} catch(RejectedExecutionException success){}
454	<	joinPool(p);
550	>	public void testCallable4() throws Exception {
551	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
552	>	public Object run() { return one; }});
553	>	assertSame(one, c.call());
554		}
555
556		/**
557	<	*  execute(Executor, Callable)throws RejectedExecutionException
459	<	*  if saturated.
557	>	* callable(null Runnable) throws NPE
558		*/
559	<	public void testExecute2() {
462	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
559	>	public void testCallableNPE1() {
560		try {
561	<	for(int i = 0; i < 5; ++i) {
465	<	Executors.execute(p, new SmallCallable());
466	<	}
561	>	Callable unused = Executors.callable((Runnable) null);
562		shouldThrow();
563	<	} catch(RejectedExecutionException e){}
469	<	joinPool(p);
563	>	} catch (NullPointerException success) {}
564		}
565
472	–
566		/**
567	<	*  invoke(Executor, Runnable) throws InterruptedException if
475	<	*  caller interrupted.
567	>	* callable(null, result) throws NPE
568		*/
569	<	public void testInterruptedInvoke() {
478	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
479	<	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	<	});
569	>	public void testCallableNPE2() {
570		try {
571	<	t.start();
572	<	Thread.sleep(SHORT_DELAY_MS);
573	<	t.interrupt();
502	<	} catch(Exception e){
503	<	unexpectedException();
504	<	}
505	<	joinPool(p);
571	>	Callable unused = Executors.callable((Runnable) null, one);
572	>	shouldThrow();
573	>	} catch (NullPointerException success) {}
574		}
575
576		/**
577	<	*  invoke(Executor, Runnable) throws ExecutionException if
510	<	*  runnable throws exception.
577	>	* callable(null PrivilegedAction) throws NPE
578		*/
579	<	public void testInvoke3() {
513	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
579	>	public void testCallableNPE3() {
580		try {
581	<	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	<
581	>	Callable unused = Executors.callable((PrivilegedAction) null);
582		shouldThrow();
583	<	} catch(ExecutionException success){
527	<	} catch(Exception e){
528	<	unexpectedException();
529	<	}
530	<	joinPool(p);
583	>	} catch (NullPointerException success) {}
584		}
585
533	–
534	–
586		/**
587	<	*  invoke(Executor, Callable) throws InterruptedException if
537	<	*  callable throws exception
587	>	* callable(null PrivilegedExceptionAction) throws NPE
588		*/
589	<	public void testInvoke5() {
540	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
541	<
542	<	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	<	});
589	>	public void testCallableNPE4() {
590		try {
591	<	t.start();
592	<	Thread.sleep(SHORT_DELAY_MS);
593	<	t.interrupt();
567	<	t.join();
568	<	} catch(InterruptedException e){
569	<	unexpectedException();
570	<	}
571	<
572	<	joinPool(p);
591	>	Callable unused = Executors.callable((PrivilegedExceptionAction) null);
592	>	shouldThrow();
593	>	} catch (NullPointerException success) {}
594		}
595
596		/**
597	<	*  invoke(Executor, Callable) will throw ExecutionException
577	<	*  if callable throws exception
597	>	* callable(runnable, x).toString() contains toString of wrapped task
598		*/
599	<	public void testInvoke6() {
600	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
601	<
602	<	try {
603	<	Callable c = new Callable() {
604	<	public Object call() {
605	<	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	<
594	<	shouldThrow();
595	<	}
596	<	catch(ExecutionException success){
597	<	} catch(Exception e) {
598	<	unexpectedException();
599	>	public void testCallable_withResult_toString() {
600	>	if (testImplementationDetails) {
601	>	Runnable r = () -> {};
602	>	Callable<String> c = Executors.callable(r, "");
603	>	assertEquals(
604	>	identityString(c) + "[Wrapped task = " + r.toString() + "]",
605	>	c.toString());
606		}
600	–	joinPool(p);
607		}
608
603	–
604	–
609		/**
610	<	*  timeouts from execute will time out if they compute too long.
610	>	* callable(runnable).toString() contains toString of wrapped task
611		*/
612	<	public void testTimedCallable() {
613	<	int N = 10000;
614	<	ExecutorService executor = Executors.newSingleThreadExecutor();
615	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
616	<	try {
617	<	long startTime = System.currentTimeMillis();
618	<
615	<	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);
612	>	public void testCallable_toString() {
613	>	if (testImplementationDetails) {
614	>	Runnable r = () -> {};
615	>	Callable<Object> c = Executors.callable(r);
616	>	assertEquals(
617	>	identityString(c) + "[Wrapped task = " + r.toString() + "]",
618	>	c.toString());
619		}
620		}
621
645	–
622		/**
623	<	* ThreadPoolExecutor using defaultThreadFactory has
648	<	* specified group, priority, daemon status, and name
623	>	* privilegedCallable(callable).toString() contains toString of wrapped task
624		*/
625	<	public void testDefaultThreadFactory() {
626	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
627	<	Runnable r = new Runnable() {
628	<	public void run() {
629	<	Thread current = Thread.currentThread();
630	<	threadAssertTrue(!current.isDaemon());
631	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
632	<	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	<	}
625	>	public void testPrivilegedCallable_toString() {
626	>	if (testImplementationDetails) {
627	>	Callable<String> c = () -> "";
628	>	Callable<String> priv = Executors.privilegedCallable(c);
629	>	assertEquals(
630	>	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
631	>	priv.toString());
632	>	}
633		}
634
635		/**
636	<	* ThreadPoolExecutor using privilegedThreadFactory has
637	<	* specified group, priority, daemon status, name,
683	<	* access control context and context class loader
636	>	* privilegedCallableUsingCurrentClassLoader(callable).toString()
637	>	* contains toString of wrapped task
638		*/
639	<	public void testPrivilegedThreadFactory() {
640	<	Policy savedPolicy = Policy.getPolicy();
641	<	AdjustablePolicy policy = new AdjustablePolicy();
642	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
643	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
644	<	Policy.setPolicy(policy);
645	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
646	<	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	<
639	>	public void testPrivilegedCallableUsingCurrentClassLoader_toString() {
640	>	if (testImplementationDetails) {
641	>	Callable<String> c = () -> "";
642	>	Callable<String> priv = Executors.privilegedCallableUsingCurrentClassLoader(c);
643	>	assertEquals(
644	>	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
645	>	priv.toString());
646	>	}
647		}
725	–
648		}

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