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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 1.34 by jsr166, Sat Oct 9 19:30:35 2010 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/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9
10		import junit.framework.*;
11		import java.util.*;
12		import java.util.concurrent.*;
13	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
14		import java.math.BigInteger;
15		import java.security.*;
16
17	<	public class ExecutorsTest extends JSR166TestCase{
17	>	public class ExecutorsTest extends JSR166TestCase {
18		public static void main(String[] args) {
19	<	junit.textui.TestRunner.run (suite());
19	>	junit.textui.TestRunner.run(suite());
20		}
21		public static Test suite() {
22	<	return new TestSuite(ExecutorsTest.class);
22	>	return new TestSuite(ExecutorsTest.class);
23		}
24
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	–
25		/**
26		* A newCachedThreadPool can execute runnables
27		*/
#	Line 80 | Line 30 | public class ExecutorsTest extends JSR16
30		e.execute(new NoOpRunnable());
31		e.execute(new NoOpRunnable());
32		e.execute(new NoOpRunnable());
33	<	e.shutdown();
33	>	joinPool(e);
34		}
35
36		/**
#	Line 91 | Line 41 | public class ExecutorsTest extends JSR16
41		e.execute(new NoOpRunnable());
42		e.execute(new NoOpRunnable());
43		e.execute(new NoOpRunnable());
44	<	e.shutdown();
44	>	joinPool(e);
45		}
46
47		/**
#	Line 101 | Line 51 | public class ExecutorsTest extends JSR16
51		try {
52		ExecutorService e = Executors.newCachedThreadPool(null);
53		shouldThrow();
54	<	}
105	<	catch(NullPointerException success) {
106	<	}
54	>	} catch (NullPointerException success) {}
55		}
56
57
#	Line 115 | Line 63 | public class ExecutorsTest extends JSR16
63		e.execute(new NoOpRunnable());
64		e.execute(new NoOpRunnable());
65		e.execute(new NoOpRunnable());
66	<	e.shutdown();
66	>	joinPool(e);
67		}
68
69		/**
#	Line 126 | Line 74 | public class ExecutorsTest extends JSR16
74		e.execute(new NoOpRunnable());
75		e.execute(new NoOpRunnable());
76		e.execute(new NoOpRunnable());
77	<	e.shutdown();
77	>	joinPool(e);
78		}
79
80		/**
#	Line 136 | Line 84 | public class ExecutorsTest extends JSR16
84		try {
85		ExecutorService e = Executors.newSingleThreadExecutor(null);
86		shouldThrow();
87	<	}
88	<	catch(NullPointerException success) {
87	>	} catch (NullPointerException success) {}
88	>	}
89	>
90	>	/**
91	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
92	>	*/
93	>	public void testCastNewSingleThreadExecutor() {
94	>	ExecutorService e = Executors.newSingleThreadExecutor();
95	>	try {
96	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
97	>	shouldThrow();
98	>	} catch (ClassCastException success) {
99	>	} finally {
100	>	joinPool(e);
101		}
102		}
103
104	+
105		/**
106		* A new newFixedThreadPool can execute runnables
107		*/
#	Line 149 | Line 110 | public class ExecutorsTest extends JSR16
110		e.execute(new NoOpRunnable());
111		e.execute(new NoOpRunnable());
112		e.execute(new NoOpRunnable());
113	<	e.shutdown();
113	>	joinPool(e);
114		}
115
116		/**
#	Line 160 | Line 121 | public class ExecutorsTest extends JSR16
121		e.execute(new NoOpRunnable());
122		e.execute(new NoOpRunnable());
123		e.execute(new NoOpRunnable());
124	<	e.shutdown();
124	>	joinPool(e);
125		}
126
127		/**
#	Line 170 | Line 131 | public class ExecutorsTest extends JSR16
131		try {
132		ExecutorService e = Executors.newFixedThreadPool(2, null);
133		shouldThrow();
134	<	}
174	<	catch(NullPointerException success) {
175	<	}
134	>	} catch (NullPointerException success) {}
135		}
136
137		/**
#	Line 182 | Line 141 | public class ExecutorsTest extends JSR16
141		try {
142		ExecutorService e = Executors.newFixedThreadPool(0);
143		shouldThrow();
144	<	}
186	<	catch(IllegalArgumentException success) {
187	<	}
144	>	} catch (IllegalArgumentException success) {}
145		}
146
147	+
148		/**
149	<	* execute of runnable runs it to completion
149	>	* An unconfigurable newFixedThreadPool can execute runnables
150		*/
151	<	public void testExecuteRunnable() {
152	<	try {
153	<	Executor e = new DirectExecutor();
154	<	TrackedShortRunnable task = new TrackedShortRunnable();
155	<	assertFalse(task.done);
156	<	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	<	}
151	>	public void testunconfigurableExecutorService() {
152	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
153	>	e.execute(new NoOpRunnable());
154	>	e.execute(new NoOpRunnable());
155	>	e.execute(new NoOpRunnable());
156	>	joinPool(e);
157		}
158
159		/**
160	<	* invoke of a runnable runs it to completion
160	>	* unconfigurableExecutorService(null) throws NPE
161		*/
162	<	public void testInvokeRunnable() {
162	>	public void testunconfigurableExecutorServiceNPE() {
163		try {
164	<	Executor e = new DirectExecutor();
165	<	TrackedShortRunnable task = new TrackedShortRunnable();
166	<	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	<	}
164	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
165	>	shouldThrow();
166	>	} catch (NullPointerException success) {}
167		}
168
169		/**
170	<	* execute of a callable runs it to completion
170	>	* unconfigurableScheduledExecutorService(null) throws NPE
171		*/
172	<	public void testExecuteCallable() {
172	>	public void testunconfigurableScheduledExecutorServiceNPE() {
173		try {
174	<	Executor e = new DirectExecutor();
175	<	Future<String> future = Executors.execute(e, new StringTask());
176	<	String result = future.get();
238	<	assertSame(TEST_STRING, result);
239	<	}
240	<	catch (ExecutionException ex) {
241	<	unexpectedException();
242	<	}
243	<	catch (InterruptedException ex) {
244	<	unexpectedException();
245	<	}
174	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
175	>	shouldThrow();
176	>	} catch (NullPointerException success) {}
177		}
178
179
180		/**
181	<	* execute of a privileged action runs it to completion
181	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
182		*/
183	<	public void testExecutePrivilegedAction() {
184	<	Policy savedPolicy = Policy.getPolicy();
185	<	AdjustablePolicy policy = new AdjustablePolicy();
186	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
187	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
188	<	Policy.setPolicy(policy);
189	<	try {
190	<	Executor e = new DirectExecutor();
191	<	Future future = Executors.execute(e, new PrivilegedAction() {
261	<	public Object run() {
262	<	return TEST_STRING;
263	<	}});
264	<
265	<	Object result = future.get();
266	<	assertSame(TEST_STRING, result);
267	<	}
268	<	catch (ExecutionException ex) {
269	<	unexpectedException();
270	<	}
271	<	catch (InterruptedException ex) {
272	<	unexpectedException();
273	<	}
274	<	finally {
275	<	Policy.setPolicy(savedPolicy);
276	<	}
183	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
184	>	TrackedCallable callable = new TrackedCallable();
185	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
186	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
187	>	assertFalse(callable.done);
188	>	Thread.sleep(MEDIUM_DELAY_MS);
189	>	assertTrue(callable.done);
190	>	assertEquals(Boolean.TRUE, f.get());
191	>	joinPool(p1);
192		}
193
194		/**
195	<	* execute of a privileged exception action runs it to completion
195	>	* a newScheduledThreadPool successfully runs delayed task
196		*/
197	<	public void testExecutePrivilegedExceptionAction() {
198	<	Policy savedPolicy = Policy.getPolicy();
199	<	AdjustablePolicy policy = new AdjustablePolicy();
200	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
201	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
202	<	Policy.setPolicy(policy);
203	<	try {
204	<	Executor e = new DirectExecutor();
205	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
291	<	public Object run() {
292	<	return TEST_STRING;
293	<	}});
294	<
295	<	Object result = future.get();
296	<	assertSame(TEST_STRING, result);
297	<	}
298	<	catch (ExecutionException ex) {
299	<	unexpectedException();
300	<	}
301	<	catch (InterruptedException ex) {
302	<	unexpectedException();
303	<	}
304	<	finally {
305	<	Policy.setPolicy(savedPolicy);
306	<	}
197	>	public void testnewScheduledThreadPool() throws Exception {
198	>	TrackedCallable callable = new TrackedCallable();
199	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
200	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
201	>	assertFalse(callable.done);
202	>	Thread.sleep(MEDIUM_DELAY_MS);
203	>	assertTrue(callable.done);
204	>	assertEquals(Boolean.TRUE, f.get());
205	>	joinPool(p1);
206		}
207
208		/**
209	<	* execute of a failed privileged exception action reports exception
209	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
210		*/
211	<	public void testExecuteFailedPrivilegedExceptionAction() {
212	<	Policy savedPolicy = Policy.getPolicy();
213	<	AdjustablePolicy policy = new AdjustablePolicy();
214	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
215	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
216	<	Policy.setPolicy(policy);
217	<	try {
218	<	Executor e = new DirectExecutor();
219	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
321	<	public Object run() throws Exception {
322	<	throw new IndexOutOfBoundsException();
323	<	}});
324	<
325	<	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	<	}
211	>	public void testunconfigurableScheduledExecutorService() throws Exception {
212	>	TrackedCallable callable = new TrackedCallable();
213	>	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
214	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
215	>	assertFalse(callable.done);
216	>	Thread.sleep(MEDIUM_DELAY_MS);
217	>	assertTrue(callable.done);
218	>	assertEquals(Boolean.TRUE, f.get());
219	>	joinPool(p1);
220		}
221
222		/**
223	<	* invoke of a collable runs it to completion
223	>	* Future.get on submitted tasks will time out if they compute too long.
224		*/
225	<	public void testInvokeCallable() {
226	<	try {
227	<	Executor e = new DirectExecutor();
228	<	String result = Executors.invoke(e, new StringTask());
229	<
230	<	assertSame(TEST_STRING, result);
231	<	}
232	<	catch (ExecutionException ex) {
233	<	unexpectedException();
234	<	}
235	<	catch (InterruptedException ex) {
236	<	unexpectedException();
225	>	public void testTimedCallable() throws Exception {
226	>	final Runnable sleeper = new CheckedInterruptedRunnable() {
227	>	public void realRun() throws InterruptedException {
228	>	Thread.sleep(LONG_DELAY_MS);
229	>	}};
230	>	for (ExecutorService executor :
231	>	new ExecutorService[] {
232	>	Executors.newSingleThreadExecutor(),
233	>	Executors.newCachedThreadPool(),
234	>	Executors.newFixedThreadPool(2),
235	>	Executors.newScheduledThreadPool(2),
236	>	}) {
237	>	try {
238	>	Future future = executor.submit(sleeper);
239	>	try {
240	>	future.get(SHORT_DELAY_MS, MILLISECONDS);
241	>	shouldThrow();
242	>	} catch (TimeoutException success) {
243	>	} finally {
244	>	future.cancel(true);
245	>	}
246	>	}
247	>	finally {
248	>	joinPool(executor);
249	>	}
250		}
251		}
252
253	+
254		/**
255	<	* execute with null executor throws NPE
255	>	* ThreadPoolExecutor using defaultThreadFactory has
256	>	* specified group, priority, daemon status, and name
257		*/
258	<	public void testNullExecuteRunnable() {
258	>	public void testDefaultThreadFactory() throws Exception {
259	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
260	>	Runnable r = new CheckedRunnable() {
261	>	public void realRun() {
262	>	try {
263	>	Thread current = Thread.currentThread();
264	>	assertTrue(!current.isDaemon());
265	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
266	>	ThreadGroup g = current.getThreadGroup();
267	>	SecurityManager s = System.getSecurityManager();
268	>	if (s != null)
269	>	assertTrue(g == s.getThreadGroup());
270	>	else
271	>	assertTrue(g == egroup);
272	>	String name = current.getName();
273	>	assertTrue(name.endsWith("thread-1"));
274	>	} catch (SecurityException ok) {
275	>	// Also pass if not allowed to change setting
276	>	}
277	>	}};
278	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
279	>
280	>	e.execute(r);
281		try {
282	<	TrackedShortRunnable task = new TrackedShortRunnable();
283	<	assertFalse(task.done);
363	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
364	<	shouldThrow();
365	<	}
366	<	catch (NullPointerException success) {
282	>	e.shutdown();
283	>	} catch (SecurityException ok) {
284		}
285	<	catch (Exception ex) {
286	<	unexpectedException();
285	>
286	>	try {
287	>	Thread.sleep(SHORT_DELAY_MS);
288	>	} finally {
289	>	joinPool(e);
290		}
291		}
292
293		/**
294	<	* execute with a null runnable throws NPE
294	>	* ThreadPoolExecutor using privilegedThreadFactory has
295	>	* specified group, priority, daemon status, name,
296	>	* access control context and context class loader
297		*/
298	<	public void testExecuteNullRunnable() {
299	<	try {
300	<	Executor e = new DirectExecutor();
301	<	TrackedShortRunnable task = null;
302	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
303	<	shouldThrow();
298	>	public void testPrivilegedThreadFactory() throws Exception {
299	>	Runnable r = new CheckedRunnable() {
300	>	public void realRun() throws Exception {
301	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
302	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
303	>	final AccessControlContext thisacc = AccessController.getContext();
304	>	Runnable r = new CheckedRunnable() {
305	>	public void realRun() {
306	>	Thread current = Thread.currentThread();
307	>	assertTrue(!current.isDaemon());
308	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
309	>	ThreadGroup g = current.getThreadGroup();
310	>	SecurityManager s = System.getSecurityManager();
311	>	if (s != null)
312	>	assertTrue(g == s.getThreadGroup());
313	>	else
314	>	assertTrue(g == egroup);
315	>	String name = current.getName();
316	>	assertTrue(name.endsWith("thread-1"));
317	>	assertSame(thisccl, current.getContextClassLoader());
318	>	assertEquals(thisacc, AccessController.getContext());
319	>	}};
320	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
321	>	e.execute(r);
322	>	e.shutdown();
323	>	Thread.sleep(SHORT_DELAY_MS);
324	>	joinPool(e);
325	>	}};
326	>
327	>	runWithPermissions(r,
328	>	new RuntimePermission("getClassLoader"),
329	>	new RuntimePermission("setContextClassLoader"),
330	>	new RuntimePermission("modifyThread"));
331	>	}
332	>
333	>	boolean haveCCLPermissions() {
334	>	SecurityManager sm = System.getSecurityManager();
335	>	if (sm != null) {
336	>	try {
337	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
338	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
339	>	} catch (AccessControlException e) {
340	>	return false;
341	>	}
342		}
343	<	catch (NullPointerException success) {
343	>	return true;
344	>	}
345	>
346	>	void checkCCL() {
347	>	SecurityManager sm = System.getSecurityManager();
348	>	if (sm != null) {
349	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
350	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
351		}
352	<	catch (Exception ex) {
353	<	unexpectedException();
352	>	}
353	>
354	>	class CheckCCL implements Callable<Object> {
355	>	public Object call() {
356	>	checkCCL();
357	>	return null;
358		}
359		}
360
361	+
362		/**
363	<	* invoke of a null runnable throws NPE
363	>	* Without class loader permissions, creating
364	>	* privilegedCallableUsingCurrentClassLoader throws ACE
365		*/
366	<	public void testInvokeNullRunnable() {
367	<	try {
368	<	Executor e = new DirectExecutor();
369	<	TrackedShortRunnable task = null;
370	<	Executors.invoke(e, task);
371	<	shouldThrow();
372	<	}
373	<	catch (NullPointerException success) {
374	<	}
375	<	catch (Exception ex) {
376	<	unexpectedException();
377	<	}
366	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
367	>	Runnable r = new CheckedRunnable() {
368	>	public void realRun() throws Exception {
369	>	if (System.getSecurityManager() == null)
370	>	return;
371	>	try {
372	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
373	>	shouldThrow();
374	>	} catch (AccessControlException success) {}
375	>	}};
376	>
377	>	runWithoutPermissions(r);
378		}
379
380		/**
381	<	* execute of a null callable throws NPE
381	>	* With class loader permissions, calling
382	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
383		*/
384	<	public void testExecuteNullCallable() {
385	<	try {
386	<	Executor e = new DirectExecutor();
387	<	StringTask t = null;
388	<	Future<String> future = Executors.execute(e, t);
389	<	shouldThrow();
390	<	}
391	<	catch (NullPointerException success) {
392	<	}
393	<	catch (Exception ex) {
394	<	unexpectedException();
421	<	}
384	>	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
385	>	Runnable r = new CheckedRunnable() {
386	>	public void realRun() throws Exception {
387	>	Executors.privilegedCallableUsingCurrentClassLoader
388	>	(new NoOpCallable())
389	>	.call();
390	>	}};
391	>
392	>	runWithPermissions(r,
393	>	new RuntimePermission("getClassLoader"),
394	>	new RuntimePermission("setContextClassLoader"));
395		}
396
397		/**
398	<	* invoke of a null callable throws NPE
398	>	* Without permissions, calling privilegedCallable throws ACE
399		*/
400	<	public void testInvokeNullCallable() {
401	<	try {
402	<	Executor e = new DirectExecutor();
403	<	StringTask t = null;
404	<	String result = Executors.invoke(e, t);
405	<	shouldThrow();
406	<	}
407	<	catch (NullPointerException success) {
408	<	}
409	<	catch (Exception ex) {
410	<	unexpectedException();
411	<	}
400	>	public void testprivilegedCallableWithNoPrivs() throws Exception {
401	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
402	>	Executors.privilegedCallable(new CheckCCL());
403	>
404	>	Runnable r = new CheckedRunnable() {
405	>	public void realRun() throws Exception {
406	>	if (System.getSecurityManager() == null)
407	>	return;
408	>	Callable task = Executors.privilegedCallable(new CheckCCL());
409	>	try {
410	>	task.call();
411	>	shouldThrow();
412	>	} catch (AccessControlException success) {}
413	>	}};
414	>
415	>	runWithoutPermissions(r);
416	>
417	>	// It seems rather difficult to test that the
418	>	// AccessControlContext of the privilegedCallable is used
419	>	// instead of its caller.  Below is a failed attempt to do
420	>	// that, which does not work because the AccessController
421	>	// cannot capture the internal state of the current Policy.
422	>	// It would be much more work to differentiate based on,
423	>	// e.g. CodeSource.
424	>
425	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
426	>	//         final Callable[] task = new Callable[1];
427	>
428	>	//         runWithPermissions
429	>	//             (new CheckedRunnable() {
430	>	//                 public void realRun() {
431	>	//                     if (System.getSecurityManager() == null)
432	>	//                         return;
433	>	//                     noprivAcc[0] = AccessController.getContext();
434	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
435	>	//                     try {
436	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
437	>	//                                                           public Void run() {
438	>	//                                                               checkCCL();
439	>	//                                                               return null;
440	>	//                                                           }}, noprivAcc[0]);
441	>	//                         shouldThrow();
442	>	//                     } catch (AccessControlException success) {}
443	>	//                 }});
444	>
445	>	//         runWithPermissions
446	>	//             (new CheckedRunnable() {
447	>	//                 public void realRun() throws Exception {
448	>	//                     if (System.getSecurityManager() == null)
449	>	//                         return;
450	>	//                     // Verify that we have an underprivileged ACC
451	>	//                     try {
452	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
453	>	//                                                           public Void run() {
454	>	//                                                               checkCCL();
455	>	//                                                               return null;
456	>	//                                                           }}, noprivAcc[0]);
457	>	//                         shouldThrow();
458	>	//                     } catch (AccessControlException success) {}
459	>
460	>	//                     try {
461	>	//                         task[0].call();
462	>	//                         shouldThrow();
463	>	//                     } catch (AccessControlException success) {}
464	>	//                 }},
465	>	//              new RuntimePermission("getClassLoader"),
466	>	//              new RuntimePermission("setContextClassLoader"));
467		}
468
469		/**
470	<	*  execute(Executor, Runnable) throws RejectedExecutionException
443	<	*  if saturated.
470	>	* With permissions, calling privilegedCallable succeeds
471		*/
472	<	public void testExecute1() {
473	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
474	<	try {
475	<
476	<	for(int i = 0; i < 5; ++i){
477	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
478	<	}
479	<	shouldThrow();
480	<	} catch(RejectedExecutionException success){}
454	<	joinPool(p);
472	>	public void testprivilegedCallableWithPrivs() throws Exception {
473	>	Runnable r = new CheckedRunnable() {
474	>	public void realRun() throws Exception {
475	>	Executors.privilegedCallable(new CheckCCL()).call();
476	>	}};
477	>
478	>	runWithPermissions(r,
479	>	new RuntimePermission("getClassLoader"),
480	>	new RuntimePermission("setContextClassLoader"));
481		}
482
483		/**
484	<	*  execute(Executor, Callable)throws RejectedExecutionException
459	<	*  if saturated.
484	>	* callable(Runnable) returns null when called
485		*/
486	<	public void testExecute2() {
487	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
488	<	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);
486	>	public void testCallable1() throws Exception {
487	>	Callable c = Executors.callable(new NoOpRunnable());
488	>	assertNull(c.call());
489		}
490
472	–
491		/**
492	<	*  invoke(Executor, Runnable) throws InterruptedException if
475	<	*  caller interrupted.
492	>	* callable(Runnable, result) returns result when called
493		*/
494	<	public void testInterruptedInvoke() {
495	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
496	<	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);
494	>	public void testCallable2() throws Exception {
495	>	Callable c = Executors.callable(new NoOpRunnable(), one);
496	>	assertSame(one, c.call());
497		}
498
499		/**
500	<	*  invoke(Executor, Runnable) throws ExecutionException if
510	<	*  runnable throws exception.
500	>	* callable(PrivilegedAction) returns its result when called
501		*/
502	<	public void testInvoke3() {
503	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
504	<	try {
505	<	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);
502	>	public void testCallable3() throws Exception {
503	>	Callable c = Executors.callable(new PrivilegedAction() {
504	>	public Object run() { return one; }});
505	>	assertSame(one, c.call());
506		}
507
533	–
534	–
508		/**
509	<	*  invoke(Executor, Callable) throws InterruptedException if
537	<	*  callable throws exception
509	>	* callable(PrivilegedExceptionAction) returns its result when called
510		*/
511	<	public void testInvoke5() {
512	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
513	<
514	<	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);
511	>	public void testCallable4() throws Exception {
512	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
513	>	public Object run() { return one; }});
514	>	assertSame(one, c.call());
515		}
516
517	+
518		/**
519	<	*  invoke(Executor, Callable) will throw ExecutionException
577	<	*  if callable throws exception
519	>	* callable(null Runnable) throws NPE
520		*/
521	<	public void testInvoke6() {
580	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
581	<
521	>	public void testCallableNPE1() {
522		try {
523	<	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	<
523	>	Callable c = Executors.callable((Runnable) null);
524		shouldThrow();
525	<	}
596	<	catch(ExecutionException success){
597	<	} catch(Exception e) {
598	<	unexpectedException();
599	<	}
600	<	joinPool(p);
525	>	} catch (NullPointerException success) {}
526		}
527
603	–
604	–
528		/**
529	<	*  timeouts from execute will time out if they compute too long.
529	>	* callable(null, result) throws NPE
530		*/
531	<	public void testTimedCallable() {
609	<	int N = 10000;
610	<	ExecutorService executor = Executors.newSingleThreadExecutor();
611	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
531	>	public void testCallableNPE2() {
532		try {
533	<	long startTime = System.currentTimeMillis();
534	<
535	<	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	<	}
533	>	Callable c = Executors.callable((Runnable) null, one);
534	>	shouldThrow();
535	>	} catch (NullPointerException success) {}
536		}
537
645	–
538		/**
539	<	* ThreadPoolExecutor using defaultThreadFactory has
648	<	* specified group, priority, daemon status, and name
539	>	* callable(null PrivilegedAction) throws NPE
540		*/
541	<	public void testDefaultThreadFactory() {
542	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
543	<	Runnable r = new Runnable() {
544	<	public void run() {
545	<	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	<	}
541	>	public void testCallableNPE3() {
542	>	try {
543	>	Callable c = Executors.callable((PrivilegedAction) null);
544	>	shouldThrow();
545	>	} catch (NullPointerException success) {}
546		}
547
548		/**
549	<	* ThreadPoolExecutor using privilegedThreadFactory has
682	<	* specified group, priority, daemon status, name,
683	<	* access control context and context class loader
549	>	* callable(null PrivilegedExceptionAction) throws NPE
550		*/
551	<	public void testPrivilegedThreadFactory() {
552	<	Policy savedPolicy = Policy.getPolicy();
553	<	AdjustablePolicy policy = new AdjustablePolicy();
554	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
555	<	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	<
551	>	public void testCallableNPE4() {
552	>	try {
553	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
554	>	shouldThrow();
555	>	} catch (NullPointerException success) {}
556		}
557
558	+
559		}

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