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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 1.42 by jsr166, Sun May 29 13:45:35 2011 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
8	–
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	<	import java.math.BigInteger;
12	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13		import java.security.*;
14
15	<	public class ExecutorsTest extends JSR166TestCase{
15	>	public class ExecutorsTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20	<	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; }
20	>	return new TestSuite(ExecutorsTest.class);
21		}
22
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	–
23		/**
24		* A newCachedThreadPool can execute runnables
25		*/
#	Line 80 | Line 28 | public class ExecutorsTest extends JSR16
28		e.execute(new NoOpRunnable());
29		e.execute(new NoOpRunnable());
30		e.execute(new NoOpRunnable());
31	<	e.shutdown();
31	>	joinPool(e);
32		}
33
34		/**
#	Line 91 | Line 39 | public class ExecutorsTest extends JSR16
39		e.execute(new NoOpRunnable());
40		e.execute(new NoOpRunnable());
41		e.execute(new NoOpRunnable());
42	<	e.shutdown();
42	>	joinPool(e);
43		}
44
45		/**
#	Line 101 | Line 49 | public class ExecutorsTest extends JSR16
49		try {
50		ExecutorService e = Executors.newCachedThreadPool(null);
51		shouldThrow();
52	<	}
105	<	catch(NullPointerException success) {
106	<	}
52	>	} catch (NullPointerException success) {}
53		}
54
109	–
55		/**
56		* A new SingleThreadExecutor can execute runnables
57		*/
#	Line 115 | Line 60 | public class ExecutorsTest extends JSR16
60		e.execute(new NoOpRunnable());
61		e.execute(new NoOpRunnable());
62		e.execute(new NoOpRunnable());
63	<	e.shutdown();
63	>	joinPool(e);
64		}
65
66		/**
#	Line 126 | Line 71 | public class ExecutorsTest extends JSR16
71		e.execute(new NoOpRunnable());
72		e.execute(new NoOpRunnable());
73		e.execute(new NoOpRunnable());
74	<	e.shutdown();
74	>	joinPool(e);
75		}
76
77		/**
#	Line 136 | Line 81 | public class ExecutorsTest extends JSR16
81		try {
82		ExecutorService e = Executors.newSingleThreadExecutor(null);
83		shouldThrow();
84	<	}
85	<	catch(NullPointerException success) {
84	>	} catch (NullPointerException success) {}
85	>	}
86	>
87	>	/**
88	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
89	>	*/
90	>	public void testCastNewSingleThreadExecutor() {
91	>	ExecutorService e = Executors.newSingleThreadExecutor();
92	>	try {
93	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
94	>	shouldThrow();
95	>	} catch (ClassCastException success) {
96	>	} finally {
97	>	joinPool(e);
98		}
99		}
100
#	Line 149 | Line 106 | public class ExecutorsTest extends JSR16
106		e.execute(new NoOpRunnable());
107		e.execute(new NoOpRunnable());
108		e.execute(new NoOpRunnable());
109	<	e.shutdown();
109	>	joinPool(e);
110		}
111
112		/**
#	Line 160 | Line 117 | public class ExecutorsTest extends JSR16
117		e.execute(new NoOpRunnable());
118		e.execute(new NoOpRunnable());
119		e.execute(new NoOpRunnable());
120	<	e.shutdown();
120	>	joinPool(e);
121		}
122
123		/**
#	Line 170 | Line 127 | public class ExecutorsTest extends JSR16
127		try {
128		ExecutorService e = Executors.newFixedThreadPool(2, null);
129		shouldThrow();
130	<	}
174	<	catch(NullPointerException success) {
175	<	}
130	>	} catch (NullPointerException success) {}
131		}
132
133		/**
#	Line 182 | Line 137 | public class ExecutorsTest extends JSR16
137		try {
138		ExecutorService e = Executors.newFixedThreadPool(0);
139		shouldThrow();
140	<	}
186	<	catch(IllegalArgumentException success) {
187	<	}
140	>	} catch (IllegalArgumentException success) {}
141		}
142
143		/**
144	<	* execute of runnable runs it to completion
144	>	* An unconfigurable newFixedThreadPool can execute runnables
145		*/
146	<	public void testExecuteRunnable() {
147	<	try {
148	<	Executor e = new DirectExecutor();
149	<	TrackedShortRunnable task = new TrackedShortRunnable();
150	<	assertFalse(task.done);
151	<	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();
208	<	}
146	>	public void testUnconfigurableExecutorService() {
147	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
148	>	e.execute(new NoOpRunnable());
149	>	e.execute(new NoOpRunnable());
150	>	e.execute(new NoOpRunnable());
151	>	joinPool(e);
152		}
153
154		/**
155	<	* invoke of a runnable runs it to completion
155	>	* unconfigurableExecutorService(null) throws NPE
156		*/
157	<	public void testInvokeRunnable() {
157	>	public void testUnconfigurableExecutorServiceNPE() {
158		try {
159	<	Executor e = new DirectExecutor();
160	<	TrackedShortRunnable task = new TrackedShortRunnable();
161	<	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	<	}
159	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
160	>	shouldThrow();
161	>	} catch (NullPointerException success) {}
162		}
163
164		/**
165	<	* execute of a callable runs it to completion
165	>	* unconfigurableScheduledExecutorService(null) throws NPE
166		*/
167	<	public void testExecuteCallable() {
167	>	public void testUnconfigurableScheduledExecutorServiceNPE() {
168		try {
169	<	Executor e = new DirectExecutor();
170	<	Future<String> future = Executors.execute(e, new StringTask());
171	<	String result = future.get();
238	<	assertSame(TEST_STRING, result);
239	<	}
240	<	catch (ExecutionException ex) {
241	<	unexpectedException();
242	<	}
243	<	catch (InterruptedException ex) {
244	<	unexpectedException();
245	<	}
169	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
170	>	shouldThrow();
171	>	} catch (NullPointerException success) {}
172		}
173
248	–
174		/**
175	<	* execute of a privileged action runs it to completion
175	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
176		*/
177	<	public void testExecutePrivilegedAction() {
178	<	Policy savedPolicy = Policy.getPolicy();
179	<	AdjustablePolicy policy = new AdjustablePolicy();
180	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
181	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
182	<	Policy.setPolicy(policy);
183	<	try {
184	<	Executor e = new DirectExecutor();
185	<	Future future = Executors.execute(e, new PrivilegedAction() {
186	<	public Object run() {
187	<	return TEST_STRING;
188	<	}});
189	<
190	<	Object result = future.get();
191	<	assertSame(TEST_STRING, result);
192	<	}
193	<	catch (ExecutionException ex) {
194	<	unexpectedException();
195	<	}
196	<	catch (InterruptedException ex) {
272	<	unexpectedException();
177	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
178	>	ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
179	>	try {
180	>	final CountDownLatch proceed = new CountDownLatch(1);
181	>	final Runnable task = new CheckedRunnable() {
182	>	public void realRun() {
183	>	await(proceed);
184	>	}};
185	>	long startTime = System.nanoTime();
186	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
187	>	timeoutMillis(), MILLISECONDS);
188	>	assertFalse(f.isDone());
189	>	proceed.countDown();
190	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
191	>	assertSame(Boolean.TRUE, f.get());
192	>	assertTrue(f.isDone());
193	>	assertFalse(f.isCancelled());
194	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
195	>	} finally {
196	>	joinPool(p);
197		}
274	–	finally {
275	–	Policy.setPolicy(savedPolicy);
276	–	}
198		}
199
200		/**
201	<	* execute of a privileged exception action runs it to completion
201	>	* a newScheduledThreadPool successfully runs delayed task
202		*/
203	<	public void testExecutePrivilegedExceptionAction() {
204	<	Policy savedPolicy = Policy.getPolicy();
284	<	AdjustablePolicy policy = new AdjustablePolicy();
285	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
286	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
287	<	Policy.setPolicy(policy);
203	>	public void testNewScheduledThreadPool() throws Exception {
204	>	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
205		try {
206	<	Executor e = new DirectExecutor();
207	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
208	<	public Object run() {
209	<	return TEST_STRING;
210	<	}});
211	<
212	<	Object result = future.get();
213	<	assertSame(TEST_STRING, result);
214	<	}
215	<	catch (ExecutionException ex) {
216	<	unexpectedException();
206	>	final CountDownLatch proceed = new CountDownLatch(1);
207	>	final Runnable task = new CheckedRunnable() {
208	>	public void realRun() {
209	>	await(proceed);
210	>	}};
211	>	long startTime = System.nanoTime();
212	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
213	>	timeoutMillis(), MILLISECONDS);
214	>	assertFalse(f.isDone());
215	>	proceed.countDown();
216	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
217	>	assertSame(Boolean.TRUE, f.get());
218	>	assertTrue(f.isDone());
219	>	assertFalse(f.isCancelled());
220	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
221	>	} finally {
222	>	joinPool(p);
223		}
301	–	catch (InterruptedException ex) {
302	–	unexpectedException();
303	–	}
304	–	finally {
305	–	Policy.setPolicy(savedPolicy);
306	–	}
224		}
225
226		/**
227	<	* execute of a failed privileged exception action reports exception
227	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
228		*/
229	<	public void testExecuteFailedPrivilegedExceptionAction() {
230	<	Policy savedPolicy = Policy.getPolicy();
231	<	AdjustablePolicy policy = new AdjustablePolicy();
232	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
316	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
317	<	Policy.setPolicy(policy);
229	>	public void testUnconfigurableScheduledExecutorService() throws Exception {
230	>	ScheduledExecutorService p =
231	>	Executors.unconfigurableScheduledExecutorService
232	>	(Executors.newScheduledThreadPool(2));
233		try {
234	<	Executor e = new DirectExecutor();
235	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
236	<	public Object run() throws Exception {
237	<	throw new IndexOutOfBoundsException();
238	<	}});
239	<
240	<	Object result = future.get();
241	<	shouldThrow();
242	<	}
243	<	catch (ExecutionException success) {
244	<	}
245	<	catch (InterruptedException ex) {
246	<	unexpectedException();
234	>	final CountDownLatch proceed = new CountDownLatch(1);
235	>	final Runnable task = new CheckedRunnable() {
236	>	public void realRun() {
237	>	await(proceed);
238	>	}};
239	>	long startTime = System.nanoTime();
240	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
241	>	timeoutMillis(), MILLISECONDS);
242	>	assertFalse(f.isDone());
243	>	proceed.countDown();
244	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
245	>	assertSame(Boolean.TRUE, f.get());
246	>	assertTrue(f.isDone());
247	>	assertFalse(f.isCancelled());
248	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
249	>	} finally {
250	>	joinPool(p);
251		}
333	–	finally {
334	–	Policy.setPolicy(savedPolicy);
335	–	}
252		}
253
254		/**
255	<	* invoke of a collable runs it to completion
255	>	* Future.get on submitted tasks will time out if they compute too long.
256		*/
257	<	public void testInvokeCallable() {
258	<	try {
259	<	Executor e = new DirectExecutor();
260	<	String result = Executors.invoke(e, new StringTask());
257	>	public void testTimedCallable() throws Exception {
258	>	final ExecutorService[] executors = {
259	>	Executors.newSingleThreadExecutor(),
260	>	Executors.newCachedThreadPool(),
261	>	Executors.newFixedThreadPool(2),
262	>	Executors.newScheduledThreadPool(2),
263	>	};
264
265	<	assertSame(TEST_STRING, result);
266	<	}
267	<	catch (ExecutionException ex) {
268	<	unexpectedException();
269	<	}
270	<	catch (InterruptedException ex) {
271	<	unexpectedException();
265	>	final Runnable sleeper = new CheckedInterruptedRunnable() {
266	>	public void realRun() throws InterruptedException {
267	>	delay(LONG_DELAY_MS);
268	>	}};
269	>
270	>	List<Thread> threads = new ArrayList<Thread>();
271	>	for (final ExecutorService executor : executors) {
272	>	threads.add(newStartedThread(new CheckedRunnable() {
273	>	public void realRun() {
274	>	long startTime = System.nanoTime();
275	>	Future future = executor.submit(sleeper);
276	>	assertFutureTimesOut(future);
277	>	}}));
278		}
279	+	for (Thread thread : threads)
280	+	awaitTermination(thread);
281	+	for (ExecutorService executor : executors)
282	+	joinPool(executor);
283		}
284
285		/**
286	<	* execute with null executor throws NPE
286	>	* ThreadPoolExecutor using defaultThreadFactory has
287	>	* specified group, priority, daemon status, and name
288		*/
289	<	public void testNullExecuteRunnable() {
289	>	public void testDefaultThreadFactory() throws Exception {
290	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
291	>	final CountDownLatch done = new CountDownLatch(1);
292	>	Runnable r = new CheckedRunnable() {
293	>	public void realRun() {
294	>	try {
295	>	Thread current = Thread.currentThread();
296	>	assertTrue(!current.isDaemon());
297	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
298	>	ThreadGroup g = current.getThreadGroup();
299	>	SecurityManager s = System.getSecurityManager();
300	>	if (s != null)
301	>	assertTrue(g == s.getThreadGroup());
302	>	else
303	>	assertTrue(g == egroup);
304	>	String name = current.getName();
305	>	assertTrue(name.endsWith("thread-1"));
306	>	} catch (SecurityException ok) {
307	>	// Also pass if not allowed to change setting
308	>	}
309	>	done.countDown();
310	>	}};
311	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
312	>
313	>	e.execute(r);
314	>	await(done);
315	>
316		try {
317	<	TrackedShortRunnable task = new TrackedShortRunnable();
318	<	assertFalse(task.done);
363	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
364	<	shouldThrow();
365	<	}
366	<	catch (NullPointerException success) {
367	<	}
368	<	catch (Exception ex) {
369	<	unexpectedException();
317	>	e.shutdown();
318	>	} catch (SecurityException ok) {
319		}
320	+
321	+	joinPool(e);
322		}
323
324		/**
325	<	* execute with a null runnable throws NPE
325	>	* ThreadPoolExecutor using privilegedThreadFactory has
326	>	* specified group, priority, daemon status, name,
327	>	* access control context and context class loader
328		*/
329	<	public void testExecuteNullRunnable() {
330	<	try {
331	<	Executor e = new DirectExecutor();
332	<	TrackedShortRunnable task = null;
333	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
334	<	shouldThrow();
329	>	public void testPrivilegedThreadFactory() throws Exception {
330	>	final CountDownLatch done = new CountDownLatch(1);
331	>	Runnable r = new CheckedRunnable() {
332	>	public void realRun() throws Exception {
333	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
334	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
335	>	final AccessControlContext thisacc = AccessController.getContext();
336	>	Runnable r = new CheckedRunnable() {
337	>	public void realRun() {
338	>	Thread current = Thread.currentThread();
339	>	assertTrue(!current.isDaemon());
340	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
341	>	ThreadGroup g = current.getThreadGroup();
342	>	SecurityManager s = System.getSecurityManager();
343	>	if (s != null)
344	>	assertTrue(g == s.getThreadGroup());
345	>	else
346	>	assertTrue(g == egroup);
347	>	String name = current.getName();
348	>	assertTrue(name.endsWith("thread-1"));
349	>	assertSame(thisccl, current.getContextClassLoader());
350	>	assertEquals(thisacc, AccessController.getContext());
351	>	done.countDown();
352	>	}};
353	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
354	>	e.execute(r);
355	>	await(done);
356	>	e.shutdown();
357	>	joinPool(e);
358	>	}};
359	>
360	>	runWithPermissions(r,
361	>	new RuntimePermission("getClassLoader"),
362	>	new RuntimePermission("setContextClassLoader"),
363	>	new RuntimePermission("modifyThread"));
364	>	}
365	>
366	>	boolean haveCCLPermissions() {
367	>	SecurityManager sm = System.getSecurityManager();
368	>	if (sm != null) {
369	>	try {
370	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
371	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
372	>	} catch (AccessControlException e) {
373	>	return false;
374	>	}
375		}
376	<	catch (NullPointerException success) {
376	>	return true;
377	>	}
378	>
379	>	void checkCCL() {
380	>	SecurityManager sm = System.getSecurityManager();
381	>	if (sm != null) {
382	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
383	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
384		}
385	<	catch (Exception ex) {
386	<	unexpectedException();
385	>	}
386	>
387	>	class CheckCCL implements Callable<Object> {
388	>	public Object call() {
389	>	checkCCL();
390	>	return null;
391		}
392		}
393
394		/**
395	<	* invoke of a null runnable throws NPE
395	>	* Without class loader permissions, creating
396	>	* privilegedCallableUsingCurrentClassLoader throws ACE
397		*/
398	<	public void testInvokeNullRunnable() {
399	<	try {
400	<	Executor e = new DirectExecutor();
401	<	TrackedShortRunnable task = null;
402	<	Executors.invoke(e, task);
403	<	shouldThrow();
404	<	}
405	<	catch (NullPointerException success) {
406	<	}
407	<	catch (Exception ex) {
408	<	unexpectedException();
409	<	}
398	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
399	>	Runnable r = new CheckedRunnable() {
400	>	public void realRun() throws Exception {
401	>	if (System.getSecurityManager() == null)
402	>	return;
403	>	try {
404	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
405	>	shouldThrow();
406	>	} catch (AccessControlException success) {}
407	>	}};
408	>
409	>	runWithoutPermissions(r);
410		}
411
412		/**
413	<	* execute of a null callable throws NPE
413	>	* With class loader permissions, calling
414	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
415		*/
416	<	public void testExecuteNullCallable() {
417	<	try {
418	<	Executor e = new DirectExecutor();
419	<	StringTask t = null;
420	<	Future<String> future = Executors.execute(e, t);
421	<	shouldThrow();
422	<	}
423	<	catch (NullPointerException success) {
424	<	}
425	<	catch (Exception ex) {
426	<	unexpectedException();
421	<	}
416	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
417	>	Runnable r = new CheckedRunnable() {
418	>	public void realRun() throws Exception {
419	>	Executors.privilegedCallableUsingCurrentClassLoader
420	>	(new NoOpCallable())
421	>	.call();
422	>	}};
423	>
424	>	runWithPermissions(r,
425	>	new RuntimePermission("getClassLoader"),
426	>	new RuntimePermission("setContextClassLoader"));
427		}
428
429		/**
430	<	* invoke of a null callable throws NPE
430	>	* Without permissions, calling privilegedCallable throws ACE
431		*/
432	<	public void testInvokeNullCallable() {
433	<	try {
434	<	Executor e = new DirectExecutor();
435	<	StringTask t = null;
436	<	String result = Executors.invoke(e, t);
437	<	shouldThrow();
438	<	}
439	<	catch (NullPointerException success) {
440	<	}
441	<	catch (Exception ex) {
442	<	unexpectedException();
443	<	}
432	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
433	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
434	>	Executors.privilegedCallable(new CheckCCL());
435	>
436	>	Runnable r = new CheckedRunnable() {
437	>	public void realRun() throws Exception {
438	>	if (System.getSecurityManager() == null)
439	>	return;
440	>	Callable task = Executors.privilegedCallable(new CheckCCL());
441	>	try {
442	>	task.call();
443	>	shouldThrow();
444	>	} catch (AccessControlException success) {}
445	>	}};
446	>
447	>	runWithoutPermissions(r);
448	>
449	>	// It seems rather difficult to test that the
450	>	// AccessControlContext of the privilegedCallable is used
451	>	// instead of its caller.  Below is a failed attempt to do
452	>	// that, which does not work because the AccessController
453	>	// cannot capture the internal state of the current Policy.
454	>	// It would be much more work to differentiate based on,
455	>	// e.g. CodeSource.
456	>
457	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
458	>	//         final Callable[] task = new Callable[1];
459	>
460	>	//         runWithPermissions
461	>	//             (new CheckedRunnable() {
462	>	//                 public void realRun() {
463	>	//                     if (System.getSecurityManager() == null)
464	>	//                         return;
465	>	//                     noprivAcc[0] = AccessController.getContext();
466	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
467	>	//                     try {
468	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
469	>	//                                                           public Void run() {
470	>	//                                                               checkCCL();
471	>	//                                                               return null;
472	>	//                                                           }}, noprivAcc[0]);
473	>	//                         shouldThrow();
474	>	//                     } catch (AccessControlException success) {}
475	>	//                 }});
476	>
477	>	//         runWithPermissions
478	>	//             (new CheckedRunnable() {
479	>	//                 public void realRun() throws Exception {
480	>	//                     if (System.getSecurityManager() == null)
481	>	//                         return;
482	>	//                     // Verify that we have an underprivileged ACC
483	>	//                     try {
484	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
485	>	//                                                           public Void run() {
486	>	//                                                               checkCCL();
487	>	//                                                               return null;
488	>	//                                                           }}, noprivAcc[0]);
489	>	//                         shouldThrow();
490	>	//                     } catch (AccessControlException success) {}
491	>
492	>	//                     try {
493	>	//                         task[0].call();
494	>	//                         shouldThrow();
495	>	//                     } catch (AccessControlException success) {}
496	>	//                 }},
497	>	//              new RuntimePermission("getClassLoader"),
498	>	//              new RuntimePermission("setContextClassLoader"));
499		}
500
501		/**
502	<	*  execute(Executor, Runnable) throws RejectedExecutionException
443	<	*  if saturated.
502	>	* With permissions, calling privilegedCallable succeeds
503		*/
504	<	public void testExecute1() {
505	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
506	<	try {
507	<
508	<	for(int i = 0; i < 5; ++i){
509	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
510	<	}
511	<	shouldThrow();
512	<	} catch(RejectedExecutionException success){}
454	<	joinPool(p);
504	>	public void testPrivilegedCallableWithPrivs() throws Exception {
505	>	Runnable r = new CheckedRunnable() {
506	>	public void realRun() throws Exception {
507	>	Executors.privilegedCallable(new CheckCCL()).call();
508	>	}};
509	>
510	>	runWithPermissions(r,
511	>	new RuntimePermission("getClassLoader"),
512	>	new RuntimePermission("setContextClassLoader"));
513		}
514
515		/**
516	<	*  execute(Executor, Callable)throws RejectedExecutionException
459	<	*  if saturated.
516	>	* callable(Runnable) returns null when called
517		*/
518	<	public void testExecute2() {
519	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
520	<	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);
518	>	public void testCallable1() throws Exception {
519	>	Callable c = Executors.callable(new NoOpRunnable());
520	>	assertNull(c.call());
521		}
522
472	–
523		/**
524	<	*  invoke(Executor, Runnable) throws InterruptedException if
475	<	*  caller interrupted.
524	>	* callable(Runnable, result) returns result when called
525		*/
526	<	public void testInterruptedInvoke() {
527	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
528	<	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);
526	>	public void testCallable2() throws Exception {
527	>	Callable c = Executors.callable(new NoOpRunnable(), one);
528	>	assertSame(one, c.call());
529		}
530
531		/**
532	<	*  invoke(Executor, Runnable) throws ExecutionException if
510	<	*  runnable throws exception.
532	>	* callable(PrivilegedAction) returns its result when called
533		*/
534	<	public void testInvoke3() {
535	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
536	<	try {
537	<	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);
534	>	public void testCallable3() throws Exception {
535	>	Callable c = Executors.callable(new PrivilegedAction() {
536	>	public Object run() { return one; }});
537	>	assertSame(one, c.call());
538		}
539
533	–
534	–
540		/**
541	<	*  invoke(Executor, Callable) throws InterruptedException if
537	<	*  callable throws exception
541	>	* callable(PrivilegedExceptionAction) returns its result when called
542		*/
543	<	public void testInvoke5() {
544	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
545	<
546	<	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);
543	>	public void testCallable4() throws Exception {
544	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
545	>	public Object run() { return one; }});
546	>	assertSame(one, c.call());
547		}
548
549		/**
550	<	*  invoke(Executor, Callable) will throw ExecutionException
577	<	*  if callable throws exception
550	>	* callable(null Runnable) throws NPE
551		*/
552	<	public void testInvoke6() {
580	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
581	<
552	>	public void testCallableNPE1() {
553		try {
554	<	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	<
554	>	Callable c = Executors.callable((Runnable) null);
555		shouldThrow();
556	<	}
596	<	catch(ExecutionException success){
597	<	} catch(Exception e) {
598	<	unexpectedException();
599	<	}
600	<	joinPool(p);
556	>	} catch (NullPointerException success) {}
557		}
558
603	–
604	–
559		/**
560	<	*  timeouts from execute will time out if they compute too long.
560	>	* callable(null, result) throws NPE
561		*/
562	<	public void testTimedCallable() {
609	<	int N = 10000;
610	<	ExecutorService executor = Executors.newSingleThreadExecutor();
611	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
562	>	public void testCallableNPE2() {
563		try {
564	<	long startTime = System.currentTimeMillis();
565	<
566	<	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	<	}
564	>	Callable c = Executors.callable((Runnable) null, one);
565	>	shouldThrow();
566	>	} catch (NullPointerException success) {}
567		}
568
645	–
569		/**
570	<	* ThreadPoolExecutor using defaultThreadFactory has
648	<	* specified group, priority, daemon status, and name
570	>	* callable(null PrivilegedAction) throws NPE
571		*/
572	<	public void testDefaultThreadFactory() {
573	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
574	<	Runnable r = new Runnable() {
575	<	public void run() {
576	<	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	<	}
572	>	public void testCallableNPE3() {
573	>	try {
574	>	Callable c = Executors.callable((PrivilegedAction) null);
575	>	shouldThrow();
576	>	} catch (NullPointerException success) {}
577		}
578
579		/**
580	<	* ThreadPoolExecutor using privilegedThreadFactory has
682	<	* specified group, priority, daemon status, name,
683	<	* access control context and context class loader
580	>	* callable(null PrivilegedExceptionAction) throws NPE
581		*/
582	<	public void testPrivilegedThreadFactory() {
583	<	Policy savedPolicy = Policy.getPolicy();
584	<	AdjustablePolicy policy = new AdjustablePolicy();
585	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
586	<	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	<
582	>	public void testCallableNPE4() {
583	>	try {
584	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
585	>	shouldThrow();
586	>	} catch (NullPointerException success) {}
587		}
588
589		}

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