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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 1.38 by jsr166, Thu Apr 14 22:55:08 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
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() {
192	<	public Object run() {
193	<	return TEST_STRING;
194	<	}});
195	<
196	<	Object result = future.get();
197	<	assertSame(TEST_STRING, result);
198	<	}
199	<	catch (ExecutionException ex) {
269	<	unexpectedException();
270	<	}
271	<	catch (InterruptedException ex) {
272	<	unexpectedException();
183	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
184	>	ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
185	>	try {
186	>	final CountDownLatch done = new CountDownLatch(1);
187	>	final Runnable task = new CheckedRunnable() {
188	>	public void realRun() {
189	>	done.countDown();
190	>	}};
191	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
192	>	SHORT_DELAY_MS, MILLISECONDS);
193	>	assertFalse(f.isDone());
194	>	assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS));
195	>	assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS));
196	>	assertSame(Boolean.TRUE, f.get());
197	>	assertTrue(f.isDone());
198	>	} finally {
199	>	joinPool(p);
200		}
274	–	finally {
275	–	Policy.setPolicy(savedPolicy);
276	–	}
201		}
202
203		/**
204	<	* execute of a privileged exception action runs it to completion
204	>	* a newScheduledThreadPool successfully runs delayed task
205		*/
206	<	public void testExecutePrivilegedExceptionAction() {
207	<	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);
206	>	public void testnewScheduledThreadPool() throws Exception {
207	>	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
208		try {
209	<	Executor e = new DirectExecutor();
210	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
211	<	public Object run() {
212	<	return TEST_STRING;
213	<	}});
214	<
215	<	Object result = future.get();
216	<	assertSame(TEST_STRING, result);
217	<	}
218	<	catch (ExecutionException ex) {
219	<	unexpectedException();
209	>	final CountDownLatch done = new CountDownLatch(1);
210	>	final Runnable task = new CheckedRunnable() {
211	>	public void realRun() {
212	>	done.countDown();
213	>	}};
214	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
215	>	SHORT_DELAY_MS, MILLISECONDS);
216	>	assertFalse(f.isDone());
217	>	assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS));
218	>	assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS));
219	>	assertSame(Boolean.TRUE, f.get());
220	>	assertTrue(f.isDone());
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();
234	>	final CountDownLatch done = new CountDownLatch(1);
235	>	final Runnable task = new CheckedRunnable() {
236	>	public void realRun() {
237	>	done.countDown();
238	>	}};
239	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
240	>	SHORT_DELAY_MS, MILLISECONDS);
241	>	assertFalse(f.isDone());
242	>	assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS));
243	>	assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS));
244	>	assertSame(Boolean.TRUE, f.get());
245	>	assertTrue(f.isDone());
246	>	} finally {
247	>	joinPool(p);
248		}
328	–	catch (ExecutionException success) {
329	–	}
330	–	catch (InterruptedException ex) {
331	–	unexpectedException();
332	–	}
333	–	finally {
334	–	Policy.setPolicy(savedPolicy);
335	–	}
249		}
250
251		/**
252	<	* invoke of a collable runs it to completion
252	>	* Future.get on submitted tasks will time out if they compute too long.
253		*/
254	<	public void testInvokeCallable() {
255	<	try {
256	<	Executor e = new DirectExecutor();
257	<	String result = Executors.invoke(e, new StringTask());
258	<
259	<	assertSame(TEST_STRING, result);
260	<	}
261	<	catch (ExecutionException ex) {
262	<	unexpectedException();
263	<	}
264	<	catch (InterruptedException ex) {
265	<	unexpectedException();
254	>	public void testTimedCallable() throws Exception {
255	>	final Runnable sleeper = new CheckedInterruptedRunnable() {
256	>	public void realRun() throws InterruptedException {
257	>	Thread.sleep(LONG_DELAY_MS);
258	>	}};
259	>	for (ExecutorService executor :
260	>	new ExecutorService[] {
261	>	Executors.newSingleThreadExecutor(),
262	>	Executors.newCachedThreadPool(),
263	>	Executors.newFixedThreadPool(2),
264	>	Executors.newScheduledThreadPool(2),
265	>	}) {
266	>	try {
267	>	Future future = executor.submit(sleeper);
268	>	try {
269	>	future.get(SHORT_DELAY_MS, MILLISECONDS);
270	>	shouldThrow();
271	>	} catch (TimeoutException success) {
272	>	} finally {
273	>	future.cancel(true);
274	>	}
275	>	}
276	>	finally {
277	>	joinPool(executor);
278	>	}
279		}
280		}
281
282	+
283		/**
284	<	* execute with null executor throws NPE
284	>	* ThreadPoolExecutor using defaultThreadFactory has
285	>	* specified group, priority, daemon status, and name
286		*/
287	<	public void testNullExecuteRunnable() {
287	>	public void testDefaultThreadFactory() throws Exception {
288	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
289	>	Runnable r = new CheckedRunnable() {
290	>	public void realRun() {
291	>	try {
292	>	Thread current = Thread.currentThread();
293	>	assertTrue(!current.isDaemon());
294	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
295	>	ThreadGroup g = current.getThreadGroup();
296	>	SecurityManager s = System.getSecurityManager();
297	>	if (s != null)
298	>	assertTrue(g == s.getThreadGroup());
299	>	else
300	>	assertTrue(g == egroup);
301	>	String name = current.getName();
302	>	assertTrue(name.endsWith("thread-1"));
303	>	} catch (SecurityException ok) {
304	>	// Also pass if not allowed to change setting
305	>	}
306	>	}};
307	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
308	>
309	>	e.execute(r);
310		try {
311	<	TrackedShortRunnable task = new TrackedShortRunnable();
312	<	assertFalse(task.done);
363	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
364	<	shouldThrow();
365	<	}
366	<	catch (NullPointerException success) {
311	>	e.shutdown();
312	>	} catch (SecurityException ok) {
313		}
314	<	catch (Exception ex) {
315	<	unexpectedException();
314	>
315	>	try {
316	>	Thread.sleep(SHORT_DELAY_MS);
317	>	} finally {
318	>	joinPool(e);
319		}
320		}
321
322		/**
323	<	* execute with a null runnable throws NPE
323	>	* ThreadPoolExecutor using privilegedThreadFactory has
324	>	* specified group, priority, daemon status, name,
325	>	* access control context and context class loader
326		*/
327	<	public void testExecuteNullRunnable() {
328	<	try {
329	<	Executor e = new DirectExecutor();
330	<	TrackedShortRunnable task = null;
331	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
332	<	shouldThrow();
327	>	public void testPrivilegedThreadFactory() throws Exception {
328	>	Runnable r = new CheckedRunnable() {
329	>	public void realRun() throws Exception {
330	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
331	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
332	>	final AccessControlContext thisacc = AccessController.getContext();
333	>	Runnable r = new CheckedRunnable() {
334	>	public void realRun() {
335	>	Thread current = Thread.currentThread();
336	>	assertTrue(!current.isDaemon());
337	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
338	>	ThreadGroup g = current.getThreadGroup();
339	>	SecurityManager s = System.getSecurityManager();
340	>	if (s != null)
341	>	assertTrue(g == s.getThreadGroup());
342	>	else
343	>	assertTrue(g == egroup);
344	>	String name = current.getName();
345	>	assertTrue(name.endsWith("thread-1"));
346	>	assertSame(thisccl, current.getContextClassLoader());
347	>	assertEquals(thisacc, AccessController.getContext());
348	>	}};
349	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
350	>	e.execute(r);
351	>	e.shutdown();
352	>	Thread.sleep(SHORT_DELAY_MS);
353	>	joinPool(e);
354	>	}};
355	>
356	>	runWithPermissions(r,
357	>	new RuntimePermission("getClassLoader"),
358	>	new RuntimePermission("setContextClassLoader"),
359	>	new RuntimePermission("modifyThread"));
360	>	}
361	>
362	>	boolean haveCCLPermissions() {
363	>	SecurityManager sm = System.getSecurityManager();
364	>	if (sm != null) {
365	>	try {
366	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
367	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
368	>	} catch (AccessControlException e) {
369	>	return false;
370	>	}
371		}
372	<	catch (NullPointerException success) {
372	>	return true;
373	>	}
374	>
375	>	void checkCCL() {
376	>	SecurityManager sm = System.getSecurityManager();
377	>	if (sm != null) {
378	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
379	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
380		}
381	<	catch (Exception ex) {
382	<	unexpectedException();
381	>	}
382	>
383	>	class CheckCCL implements Callable<Object> {
384	>	public Object call() {
385	>	checkCCL();
386	>	return null;
387		}
388		}
389
390	+
391		/**
392	<	* invoke of a null runnable throws NPE
392	>	* Without class loader permissions, creating
393	>	* privilegedCallableUsingCurrentClassLoader throws ACE
394		*/
395	<	public void testInvokeNullRunnable() {
396	<	try {
397	<	Executor e = new DirectExecutor();
398	<	TrackedShortRunnable task = null;
399	<	Executors.invoke(e, task);
400	<	shouldThrow();
401	<	}
402	<	catch (NullPointerException success) {
403	<	}
404	<	catch (Exception ex) {
405	<	unexpectedException();
406	<	}
395	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
396	>	Runnable r = new CheckedRunnable() {
397	>	public void realRun() throws Exception {
398	>	if (System.getSecurityManager() == null)
399	>	return;
400	>	try {
401	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
402	>	shouldThrow();
403	>	} catch (AccessControlException success) {}
404	>	}};
405	>
406	>	runWithoutPermissions(r);
407		}
408
409		/**
410	<	* execute of a null callable throws NPE
410	>	* With class loader permissions, calling
411	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
412		*/
413	<	public void testExecuteNullCallable() {
414	<	try {
415	<	Executor e = new DirectExecutor();
416	<	StringTask t = null;
417	<	Future<String> future = Executors.execute(e, t);
418	<	shouldThrow();
419	<	}
420	<	catch (NullPointerException success) {
421	<	}
422	<	catch (Exception ex) {
423	<	unexpectedException();
421	<	}
413	>	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
414	>	Runnable r = new CheckedRunnable() {
415	>	public void realRun() throws Exception {
416	>	Executors.privilegedCallableUsingCurrentClassLoader
417	>	(new NoOpCallable())
418	>	.call();
419	>	}};
420	>
421	>	runWithPermissions(r,
422	>	new RuntimePermission("getClassLoader"),
423	>	new RuntimePermission("setContextClassLoader"));
424		}
425
426		/**
427	<	* invoke of a null callable throws NPE
427	>	* Without permissions, calling privilegedCallable throws ACE
428		*/
429	<	public void testInvokeNullCallable() {
430	<	try {
431	<	Executor e = new DirectExecutor();
432	<	StringTask t = null;
433	<	String result = Executors.invoke(e, t);
434	<	shouldThrow();
435	<	}
436	<	catch (NullPointerException success) {
437	<	}
438	<	catch (Exception ex) {
439	<	unexpectedException();
440	<	}
429	>	public void testprivilegedCallableWithNoPrivs() throws Exception {
430	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
431	>	Executors.privilegedCallable(new CheckCCL());
432	>
433	>	Runnable r = new CheckedRunnable() {
434	>	public void realRun() throws Exception {
435	>	if (System.getSecurityManager() == null)
436	>	return;
437	>	Callable task = Executors.privilegedCallable(new CheckCCL());
438	>	try {
439	>	task.call();
440	>	shouldThrow();
441	>	} catch (AccessControlException success) {}
442	>	}};
443	>
444	>	runWithoutPermissions(r);
445	>
446	>	// It seems rather difficult to test that the
447	>	// AccessControlContext of the privilegedCallable is used
448	>	// instead of its caller.  Below is a failed attempt to do
449	>	// that, which does not work because the AccessController
450	>	// cannot capture the internal state of the current Policy.
451	>	// It would be much more work to differentiate based on,
452	>	// e.g. CodeSource.
453	>
454	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
455	>	//         final Callable[] task = new Callable[1];
456	>
457	>	//         runWithPermissions
458	>	//             (new CheckedRunnable() {
459	>	//                 public void realRun() {
460	>	//                     if (System.getSecurityManager() == null)
461	>	//                         return;
462	>	//                     noprivAcc[0] = AccessController.getContext();
463	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
464	>	//                     try {
465	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
466	>	//                                                           public Void run() {
467	>	//                                                               checkCCL();
468	>	//                                                               return null;
469	>	//                                                           }}, noprivAcc[0]);
470	>	//                         shouldThrow();
471	>	//                     } catch (AccessControlException success) {}
472	>	//                 }});
473	>
474	>	//         runWithPermissions
475	>	//             (new CheckedRunnable() {
476	>	//                 public void realRun() throws Exception {
477	>	//                     if (System.getSecurityManager() == null)
478	>	//                         return;
479	>	//                     // Verify that we have an underprivileged ACC
480	>	//                     try {
481	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
482	>	//                                                           public Void run() {
483	>	//                                                               checkCCL();
484	>	//                                                               return null;
485	>	//                                                           }}, noprivAcc[0]);
486	>	//                         shouldThrow();
487	>	//                     } catch (AccessControlException success) {}
488	>
489	>	//                     try {
490	>	//                         task[0].call();
491	>	//                         shouldThrow();
492	>	//                     } catch (AccessControlException success) {}
493	>	//                 }},
494	>	//              new RuntimePermission("getClassLoader"),
495	>	//              new RuntimePermission("setContextClassLoader"));
496		}
497
498		/**
499	<	*  execute(Executor, Runnable) throws RejectedExecutionException
443	<	*  if saturated.
499	>	* With permissions, calling privilegedCallable succeeds
500		*/
501	<	public void testExecute1() {
502	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
503	<	try {
504	<
505	<	for(int i = 0; i < 5; ++i){
506	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
507	<	}
508	<	shouldThrow();
509	<	} catch(RejectedExecutionException success){}
454	<	joinPool(p);
501	>	public void testprivilegedCallableWithPrivs() throws Exception {
502	>	Runnable r = new CheckedRunnable() {
503	>	public void realRun() throws Exception {
504	>	Executors.privilegedCallable(new CheckCCL()).call();
505	>	}};
506	>
507	>	runWithPermissions(r,
508	>	new RuntimePermission("getClassLoader"),
509	>	new RuntimePermission("setContextClassLoader"));
510		}
511
512		/**
513	<	*  execute(Executor, Callable)throws RejectedExecutionException
459	<	*  if saturated.
513	>	* callable(Runnable) returns null when called
514		*/
515	<	public void testExecute2() {
516	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
517	<	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);
515	>	public void testCallable1() throws Exception {
516	>	Callable c = Executors.callable(new NoOpRunnable());
517	>	assertNull(c.call());
518		}
519
472	–
520		/**
521	<	*  invoke(Executor, Runnable) throws InterruptedException if
475	<	*  caller interrupted.
521	>	* callable(Runnable, result) returns result when called
522		*/
523	<	public void testInterruptedInvoke() {
524	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
525	<	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);
523	>	public void testCallable2() throws Exception {
524	>	Callable c = Executors.callable(new NoOpRunnable(), one);
525	>	assertSame(one, c.call());
526		}
527
528		/**
529	<	*  invoke(Executor, Runnable) throws ExecutionException if
510	<	*  runnable throws exception.
529	>	* callable(PrivilegedAction) returns its result when called
530		*/
531	<	public void testInvoke3() {
532	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
533	<	try {
534	<	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);
531	>	public void testCallable3() throws Exception {
532	>	Callable c = Executors.callable(new PrivilegedAction() {
533	>	public Object run() { return one; }});
534	>	assertSame(one, c.call());
535		}
536
533	–
534	–
537		/**
538	<	*  invoke(Executor, Callable) throws InterruptedException if
537	<	*  callable throws exception
538	>	* callable(PrivilegedExceptionAction) returns its result when called
539		*/
540	<	public void testInvoke5() {
541	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
542	<
543	<	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);
540	>	public void testCallable4() throws Exception {
541	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
542	>	public Object run() { return one; }});
543	>	assertSame(one, c.call());
544		}
545
546	+
547		/**
548	<	*  invoke(Executor, Callable) will throw ExecutionException
577	<	*  if callable throws exception
548	>	* callable(null Runnable) throws NPE
549		*/
550	<	public void testInvoke6() {
580	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
581	<
550	>	public void testCallableNPE1() {
551		try {
552	<	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	<
552	>	Callable c = Executors.callable((Runnable) null);
553		shouldThrow();
554	<	}
596	<	catch(ExecutionException success){
597	<	} catch(Exception e) {
598	<	unexpectedException();
599	<	}
600	<	joinPool(p);
554	>	} catch (NullPointerException success) {}
555		}
556
603	–
604	–
557		/**
558	<	*  timeouts from execute will time out if they compute too long.
558	>	* callable(null, result) throws NPE
559		*/
560	<	public void testTimedCallable() {
609	<	int N = 10000;
610	<	ExecutorService executor = Executors.newSingleThreadExecutor();
611	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
560	>	public void testCallableNPE2() {
561		try {
562	<	long startTime = System.currentTimeMillis();
563	<
564	<	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	<	}
562	>	Callable c = Executors.callable((Runnable) null, one);
563	>	shouldThrow();
564	>	} catch (NullPointerException success) {}
565		}
566
645	–
567		/**
568	<	* ThreadPoolExecutor using defaultThreadFactory has
648	<	* specified group, priority, daemon status, and name
568	>	* callable(null PrivilegedAction) throws NPE
569		*/
570	<	public void testDefaultThreadFactory() {
571	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
572	<	Runnable r = new Runnable() {
573	<	public void run() {
574	<	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	<	}
570	>	public void testCallableNPE3() {
571	>	try {
572	>	Callable c = Executors.callable((PrivilegedAction) null);
573	>	shouldThrow();
574	>	} catch (NullPointerException success) {}
575		}
576
577		/**
578	<	* ThreadPoolExecutor using privilegedThreadFactory has
682	<	* specified group, priority, daemon status, name,
683	<	* access control context and context class loader
578	>	* callable(null PrivilegedExceptionAction) throws NPE
579		*/
580	<	public void testPrivilegedThreadFactory() {
581	<	Policy savedPolicy = Policy.getPolicy();
582	<	AdjustablePolicy policy = new AdjustablePolicy();
583	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
584	<	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	<
580	>	public void testCallableNPE4() {
581	>	try {
582	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
583	>	shouldThrow();
584	>	} catch (NullPointerException success) {}
585		}
586
587	+
588		}

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