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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 20:39:11 2003 UTC vs.
Revision 1.12 by dl, Sat Dec 27 19:26:43 2003 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
#	Line 10 | Line 11 | import junit.framework.*;
11		import java.util.*;
12		import java.util.concurrent.*;
13		import java.math.BigInteger;
14	+	import java.security.*;
15
16	<	public class ExecutorsTest extends TestCase{
15	<
16	>	public class ExecutorsTest extends JSR166TestCase{
17		public static void main(String[] args) {
18	<	junit.textui.TestRunner.run (suite());
18	>	junit.textui.TestRunner.run (suite());
19		}
19	–
20	–
20		public static Test suite() {
21	<	return new TestSuite(ExecutorsTest.class);
21	>	return new TestSuite(ExecutorsTest.class);
22		}
23
24	<	private static long SHORT_DELAY_MS = 100;
25	<	private static long MEDIUM_DELAY_MS = 1000;
26	<	private static long LONG_DELAY_MS = 10000;
27	<
28	<	class SleepRun implements Runnable {
29	<	public void run() {
30	<	try{
31	<	Thread.sleep(MEDIUM_DELAY_MS);
32	<	} catch(InterruptedException e){
33	<	fail("unexpected exception");
24	>	static class TimedCallable<T> implements Callable<T> {
25	>	private final ExecutorService exec;
26	>	private final Callable<T> func;
27	>	private final long msecs;
28	>
29	>	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
30	>	this.exec = exec;
31	>	this.func = func;
32	>	this.msecs = msecs;
33	>	}
34	>
35	>	public T call() throws Exception {
36	>	Future<T> ftask = exec.submit(func);
37	>	try {
38	>	return ftask.get(msecs, TimeUnit.MILLISECONDS);
39	>	} finally {
40	>	ftask.cancel(true);
41		}
42		}
43		}
38	–
44
45	<	class SleepCall implements Callable {
46	<	public Object call(){
47	<	try{
48	<	Thread.sleep(MEDIUM_DELAY_MS);
49	<	}catch(InterruptedException e){
50	<	fail("unexpected exception");
45	>
46	>	private static class Fib implements Callable<BigInteger> {
47	>	private final BigInteger n;
48	>	Fib(long n) {
49	>	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
50	>	this.n = BigInteger.valueOf(n);
51	>	}
52	>	public BigInteger call() {
53	>	BigInteger f1 = BigInteger.ONE;
54	>	BigInteger f2 = f1;
55	>	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
56	>	BigInteger t = f1.add(f2);
57	>	f1 = f2;
58	>	f2 = t;
59		}
60	<	return Boolean.TRUE;
60	>	return f1;
61		}
62	<	}
50	<
62	>	};
63
64	+	/**
65	+	* A newCachedThreadPool can execute runnables
66	+	*/
67	+	public void testNewCachedThreadPool1() {
68	+	ExecutorService e = Executors.newCachedThreadPool();
69	+	e.execute(new NoOpRunnable());
70	+	e.execute(new NoOpRunnable());
71	+	e.execute(new NoOpRunnable());
72	+	e.shutdown();
73	+	}
74
75		/**
76	<	*  Test to verify execute(Executor, Runnable) will throw
55	<	*  RejectedExecutionException Attempting to execute a runnable on
56	<	*  a full ThreadPool will cause such an exception here, up to 5
57	<	*  runnables are attempted on a pool capable on handling one
58	<	*  until it throws an exception
76	>	* A newCachedThreadPool with given ThreadFactory can execute runnables
77		*/
78	<	public void testExecute1(){
79	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
80	<	try{
81	<
82	<	for(int i = 0; i < 5; ++i){
83	<	Executors.execute(p, new SleepRun(), Boolean.TRUE);
66	<	}
67	<	fail("should throw");
68	<	} catch(RejectedExecutionException success){}
69	<	p.shutdownNow();
78	>	public void testNewCachedThreadPool2() {
79	>	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
80	>	e.execute(new NoOpRunnable());
81	>	e.execute(new NoOpRunnable());
82	>	e.execute(new NoOpRunnable());
83	>	e.shutdown();
84		}
85
86		/**
87	<	*  Test to verify execute(Executor, Callable) will throw
88	<	*  RejectedExecutionException Attempting to execute a callable on
89	<	*  a full ThreadPool will cause such an exception here, up to 5
90	<	*  runnables are attempted on a pool capable on handling one
91	<	*  until it throws an exception
92	<	*/
93	<	public void testExecute2(){
94	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
95	<	try{
82	<	for(int i = 0; i < 5; ++i) {
83	<	Executors.execute(p, new SleepCall());
84	<	}
85	<	fail("should throw");
86	<	}catch(RejectedExecutionException e){}
87	<	p.shutdownNow();
87	>	* A newCachedThreadPool with null ThreadFactory throws NPE
88	>	*/
89	>	public void testNewCachedThreadPool3() {
90	>	try {
91	>	ExecutorService e = Executors.newCachedThreadPool(null);
92	>	shouldThrow();
93	>	}
94	>	catch(NullPointerException success) {
95	>	}
96		}
97
98
99		/**
100	<	*  Test to verify invoke(Executor, Runnable) throws InterruptedException
101	<	*  A single use of invoke starts that will wait long enough
102	<	*  for the invoking thread to be interrupted
103	<	*/
104	<	public void testInvoke2(){
105	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
106	<	Thread t = new Thread(new Runnable() {
107	<	public void run(){
100	<	try{
101	<	Executors.invoke(p,new Runnable(){
102	<	public void run(){
103	<	try{
104	<	Thread.sleep(MEDIUM_DELAY_MS);
105	<	fail("should throw");
106	<	}catch(InterruptedException e){
107	<	}
108	<	}
109	<	});
110	<	} catch(InterruptedException success){
111	<	} catch(Exception e) {
112	<	fail("unexpected exception");
113	<	}
114	<
115	<	}
116	<	});
117	<	try{
118	<	t.start();
119	<	Thread.sleep(SHORT_DELAY_MS);
120	<	t.interrupt();
121	<	}catch(Exception e){
122	<	fail("unexpected exception");
123	<	}
124	<	p.shutdownNow();
100	>	* A new SingleThreadExecutor can execute runnables
101	>	*/
102	>	public void testNewSingleThreadExecutor1() {
103	>	ExecutorService e = Executors.newSingleThreadExecutor();
104	>	e.execute(new NoOpRunnable());
105	>	e.execute(new NoOpRunnable());
106	>	e.execute(new NoOpRunnable());
107	>	e.shutdown();
108		}
109
110		/**
111	<	*  Test to verify invoke(Executor, Runnable) will throw
112	<	*  ExecutionException An ExecutionException occurs when the
113	<	*  underlying Runnable throws an exception, here the
114	<	*  DivideByZeroException will cause an ExecutionException
115	<	*/
116	<	public void testInvoke3(){
117	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
118	<	try{
136	<	Runnable r = new Runnable(){
137	<	public void run(){
138	<	int i = 5/0;
139	<	}
140	<	};
141	<
142	<	for(int i =0; i < 5; i++){
143	<	Executors.invoke(p,r);
144	<	}
145	<
146	<	fail("should throw");
147	<	} catch(ExecutionException success){
148	<	} catch(Exception e){
149	<	fail("should throw EE");
150	<	}
151	<	p.shutdownNow();
111	>	* A new SingleThreadExecutor with given ThreadFactory can execute runnables
112	>	*/
113	>	public void testNewSingleThreadExecutor2() {
114	>	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
115	>	e.execute(new NoOpRunnable());
116	>	e.execute(new NoOpRunnable());
117	>	e.execute(new NoOpRunnable());
118	>	e.shutdown();
119		}
120
154	–
155	–
121		/**
122	<	*  Test to verify invoke(Executor, Callable) throws
158	<	*  InterruptedException A single use of invoke starts that will
159	<	*  wait long enough for the invoking thread to be interrupted
122	>	* A new SingleThreadExecutor with null ThreadFactory throws NPE
123		*/
124	<	public void testInvoke5(){
125	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
126	<
127	<	final Callable c = new Callable(){
128	<	public Object call(){
129	<	try{
167	<	Executors.invoke(p, new SleepCall());
168	<	fail("should throw");
169	<	}catch(InterruptedException e){}
170	<	catch(RejectedExecutionException e2){}
171	<	catch(ExecutionException e3){}
172	<	return Boolean.TRUE;
173	<	}
174	<	};
175	<
176	<
177	<
178	<	Thread t = new Thread(new Runnable(){
179	<	public void run(){
180	<	try{
181	<	c.call();
182	<	}catch(Exception e){}
183	<	}
184	<	});
185	<	try{
186	<	t.start();
187	<	Thread.sleep(SHORT_DELAY_MS);
188	<	t.interrupt();
189	<	t.join();
190	<	}catch(InterruptedException e){
191	<	fail("unexpected exception");
124	>	public void testNewSingleThreadExecutor3() {
125	>	try {
126	>	ExecutorService e = Executors.newSingleThreadExecutor(null);
127	>	shouldThrow();
128	>	}
129	>	catch(NullPointerException success) {
130		}
193	–
194	–	p.shutdownNow();
131		}
132
133		/**
134	<	*  Test to verify invoke(Executor, Callable) will throw ExecutionException
199	<	*  An ExecutionException occurs when the underlying Runnable throws
200	<	*  an exception, here the DivideByZeroException will cause an ExecutionException
134	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
135		*/
136	<	public void testInvoke6(){
137	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
138	<
139	<	try{
140	<	Callable c = new Callable(){
141	<	public Object call(){
142	<	int i = 5/0;
143	<	return Boolean.TRUE;
210	<	}
211	<	};
212	<
213	<	for(int i =0; i < 5; i++){
214	<	Executors.invoke(p,c);
215	<	}
216	<
217	<	fail("should throw");
218	<	}catch(RejectedExecutionException e){}
219	<	catch(InterruptedException e2){}
220	<	catch(ExecutionException e3){}
221	<	p.shutdownNow();
136	>	public void testCastNewSingleThreadExecutor() {
137	>	ExecutorService e = Executors.newSingleThreadExecutor();
138	>	try {
139	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
140	>	} catch (ClassCastException success) {
141	>	} finally {
142	>	joinPool(e);
143	>	}
144		}
145
224	–	public void testExecuteRunnable () {
225	–	try {
226	–	Executor e = new DirectExecutor();
227	–	Task task = new Task();
146
147	<	assertFalse("task should not be complete", task.isCompleted());
147	>	/**
148	>	* A new newFixedThreadPool can execute runnables
149	>	*/
150	>	public void testNewFixedThreadPool1() {
151	>	ExecutorService e = Executors.newFixedThreadPool(2);
152	>	e.execute(new NoOpRunnable());
153	>	e.execute(new NoOpRunnable());
154	>	e.execute(new NoOpRunnable());
155	>	e.shutdown();
156	>	}
157
158	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
159	<	String result = future.get();
158	>	/**
159	>	* A new newFixedThreadPool with given ThreadFactory can execute runnables
160	>	*/
161	>	public void testNewFixedThreadPool2() {
162	>	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
163	>	e.execute(new NoOpRunnable());
164	>	e.execute(new NoOpRunnable());
165	>	e.execute(new NoOpRunnable());
166	>	e.shutdown();
167	>	}
168
169	<	assertTrue("task should be complete", task.isCompleted());
170	<	assertSame("should return test string", TEST_STRING, result);
171	<	}
172	<	catch (ExecutionException ex) {
173	<	fail("Unexpected exception");
169	>	/**
170	>	* A new newFixedThreadPool with null ThreadFactory throws NPE
171	>	*/
172	>	public void testNewFixedThreadPool3() {
173	>	try {
174	>	ExecutorService e = Executors.newFixedThreadPool(2, null);
175	>	shouldThrow();
176		}
177	<	catch (InterruptedException ex) {
241	<	fail("Unexpected exception");
177	>	catch(NullPointerException success) {
178		}
179		}
180
181	<	public void testInvokeRunnable () {
181	>	/**
182	>	* A new newFixedThreadPool with 0 threads throws IAE
183	>	*/
184	>	public void testNewFixedThreadPool4() {
185		try {
186	<	Executor e = new DirectExecutor();
187	<	Task task = new Task();
249	<
250	<	assertFalse("task should not be complete", task.isCompleted());
251	<
252	<	Executors.invoke(e, task);
253	<
254	<	assertTrue("task should be complete", task.isCompleted());
255	<	}
256	<	catch (ExecutionException ex) {
257	<	fail("Unexpected exception");
186	>	ExecutorService e = Executors.newFixedThreadPool(0);
187	>	shouldThrow();
188		}
189	<	catch (InterruptedException ex) {
260	<	fail("Unexpected exception");
189	>	catch(IllegalArgumentException success) {
190		}
191		}
192
264	–	public void testExecuteCallable () {
265	–	try {
266	–	Executor e = new DirectExecutor();
267	–	Future<String> future = Executors.execute(e, new StringTask());
268	–	String result = future.get();
193
194	<	assertSame("should return test string", TEST_STRING, result);
195	<	}
196	<	catch (ExecutionException ex) {
197	<	fail("Unexpected exception");
194	>	/**
195	>	* An unconfigurable newFixedThreadPool can execute runnables
196	>	*/
197	>	public void testunconfigurableExecutorService() {
198	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
199	>	e.execute(new NoOpRunnable());
200	>	e.execute(new NoOpRunnable());
201	>	e.execute(new NoOpRunnable());
202	>	e.shutdown();
203	>	}
204	>
205	>	/**
206	>	* unconfigurableExecutorService(null) throws NPE
207	>	*/
208	>	public void testunconfigurableExecutorServiceNPE() {
209	>	try {
210	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
211		}
212	<	catch (InterruptedException ex) {
276	<	fail("Unexpected exception");
212	>	catch (NullPointerException success) {
213		}
214		}
215
216	<	public void testInvokeCallable () {
216	>	/**
217	>	* unconfigurableScheduledExecutorService(null) throws NPE
218	>	*/
219	>	public void testunconfigurableScheduledExecutorServiceNPE() {
220		try {
221	<	Executor e = new DirectExecutor();
283	<	String result = Executors.invoke(e, new StringTask());
284	<
285	<	assertSame("should return test string", TEST_STRING, result);
221	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
222		}
223	<	catch (ExecutionException ex) {
288	<	fail("Unexpected exception" );
289	<	}
290	<	catch (InterruptedException ex) {
291	<	fail("Unexpected exception");
223	>	catch (NullPointerException success) {
224		}
225		}
226
295	–	private static final String TEST_STRING = "a test string";
227
228	<	private static class Task implements Runnable {
229	<	public void run() { completed = true; }
230	<	public boolean isCompleted() { return completed; }
231	<	public void reset() { completed = false; }
232	<	private boolean completed = false;
228	>	/**
229	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
230	>	*/
231	>	public void testNewSingleThreadScheduledExecutor() {
232	>	try {
233	>	TrackedCallable callable = new TrackedCallable();
234	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
235	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
236	>	assertFalse(callable.done);
237	>	Thread.sleep(MEDIUM_DELAY_MS);
238	>	assertTrue(callable.done);
239	>	assertEquals(Boolean.TRUE, f.get());
240	>	p1.shutdown();
241	>	joinPool(p1);
242	>	} catch(RejectedExecutionException e){}
243	>	catch(Exception e){
244	>	e.printStackTrace();
245	>	unexpectedException();
246	>	}
247		}
248
249	<	private static class StringTask implements Callable<String> {
250	<	public String call() { return TEST_STRING; }
249	>	/**
250	>	* a newScheduledThreadPool successfully runs delayed task
251	>	*/
252	>	public void testnewScheduledThreadPool() {
253	>	try {
254	>	TrackedCallable callable = new TrackedCallable();
255	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
256	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
257	>	assertFalse(callable.done);
258	>	Thread.sleep(MEDIUM_DELAY_MS);
259	>	assertTrue(callable.done);
260	>	assertEquals(Boolean.TRUE, f.get());
261	>	p1.shutdown();
262	>	joinPool(p1);
263	>	} catch(RejectedExecutionException e){}
264	>	catch(Exception e){
265	>	e.printStackTrace();
266	>	unexpectedException();
267	>	}
268		}
269
270	<	static class DirectExecutor implements Executor {
271	<	public void execute(Runnable r) {
272	<	r.run();
270	>	/**
271	>	* an unconfigurable  newScheduledThreadPool successfully runs delayed task
272	>	*/
273	>	public void testunconfigurableScheduledExecutorService() {
274	>	try {
275	>	TrackedCallable callable = new TrackedCallable();
276	>	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
277	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
278	>	assertFalse(callable.done);
279	>	Thread.sleep(MEDIUM_DELAY_MS);
280	>	assertTrue(callable.done);
281	>	assertEquals(Boolean.TRUE, f.get());
282	>	p1.shutdown();
283	>	joinPool(p1);
284	>	} catch(RejectedExecutionException e){}
285	>	catch(Exception e){
286	>	e.printStackTrace();
287	>	unexpectedException();
288		}
289		}
290
291		/**
292	<	* Check that timeouts from execute will time out if they compute
316	<	* too long.
292	>	*  timeouts from execute will time out if they compute too long.
293		*/
318	–
294		public void testTimedCallable() {
295		int N = 10000;
296		ExecutorService executor = Executors.newSingleThreadExecutor();
#	Line 341 | Line 316 | public class ExecutorsTest extends TestC
316		return;
317		}
318		catch (Exception e) {
319	<	fail("unexpected exception: " + e);
319	>	unexpectedException();
320		}
321		}
322		// if by chance we didn't ever time out, total time must be small
#	Line 349 | Line 324 | public class ExecutorsTest extends TestC
324		assertTrue(elapsed < N);
325		}
326		finally {
327	<	executor.shutdownNow();
327	>	joinPool(executor);
328		}
329		}
330
331
332	<	static class TimedCallable<T> implements Callable<T> {
333	<	private final Executor exec;
334	<	private final Callable<T> func;
335	<	private final long msecs;
332	>	/**
333	>	* ThreadPoolExecutor using defaultThreadFactory has
334	>	* specified group, priority, daemon status, and name
335	>	*/
336	>	public void testDefaultThreadFactory() {
337	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
338	>	Runnable r = new Runnable() {
339	>	public void run() {
340	>	Thread current = Thread.currentThread();
341	>	threadAssertTrue(!current.isDaemon());
342	>	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
343	>	ThreadGroup g = current.getThreadGroup();
344	>	SecurityManager s = System.getSecurityManager();
345	>	if (s != null)
346	>	threadAssertTrue(g == s.getThreadGroup());
347	>	else
348	>	threadAssertTrue(g == egroup);
349	>	String name = current.getName();
350	>	threadAssertTrue(name.endsWith("thread-1"));
351	>	}
352	>	};
353	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
354
355	<	TimedCallable(Executor exec, Callable<T> func, long msecs) {
356	<	this.exec = exec;
357	<	this.func = func;
358	<	this.msecs = msecs;
355	>	e.execute(r);
356	>	e.shutdown();
357	>	try {
358	>	Thread.sleep(SHORT_DELAY_MS);
359	>	} catch (Exception eX) {
360	>	unexpectedException();
361	>	} finally {
362	>	joinPool(e);
363		}
364	+	}
365	+
366	+	/**
367	+	* ThreadPoolExecutor using privilegedThreadFactory has
368	+	* specified group, priority, daemon status, name,
369	+	* access control context and context class loader
370	+	*/
371	+	public void testPrivilegedThreadFactory() {
372	+	Policy savedPolicy = Policy.getPolicy();
373	+	AdjustablePolicy policy = new AdjustablePolicy();
374	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
375	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
376	+	Policy.setPolicy(policy);
377	+	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
378	+	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
379	+	final AccessControlContext thisacc = AccessController.getContext();
380	+	Runnable r = new Runnable() {
381	+	public void run() {
382	+	Thread current = Thread.currentThread();
383	+	threadAssertTrue(!current.isDaemon());
384	+	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
385	+	ThreadGroup g = current.getThreadGroup();
386	+	SecurityManager s = System.getSecurityManager();
387	+	if (s != null)
388	+	threadAssertTrue(g == s.getThreadGroup());
389	+	else
390	+	threadAssertTrue(g == egroup);
391	+	String name = current.getName();
392	+	threadAssertTrue(name.endsWith("thread-1"));
393	+	threadAssertTrue(thisccl == current.getContextClassLoader());
394	+	threadAssertTrue(thisacc.equals(AccessController.getContext()));
395	+	}
396	+	};
397	+	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
398
399	<	public T call() throws Exception {
400	<	Future<T> ftask = Executors.execute(exec, func);
401	<	try {
402	<	return ftask.get(msecs, TimeUnit.MILLISECONDS);
403	<	} finally {
404	<	ftask.cancel(true);
405	<	}
399	>	Policy.setPolicy(savedPolicy);
400	>	e.execute(r);
401	>	e.shutdown();
402	>	try {
403	>	Thread.sleep(SHORT_DELAY_MS);
404	>	} catch (Exception ex) {
405	>	unexpectedException();
406	>	} finally {
407	>	joinPool(e);
408		}
409	+
410		}
411
412	+	static class CheckCCL implements Callable<Object> {
413	+	public Object call() {
414	+	AccessControlContext acc = AccessController.getContext();
415	+	acc.checkPermission(new RuntimePermission("getContextClassLoader"));
416	+	return null;
417	+	}
418	+	}
419
420	<	private static class Fib implements Callable<BigInteger> {
421	<	private final BigInteger n;
422	<	Fib(long n) {
423	<	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
424	<	this.n = BigInteger.valueOf(n);
420	>
421	>	/**
422	>	* Without class loader permissions, creating
423	>	* privilegedCallableUsingCurrentClassLoader throws ACE
424	>	*/
425	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
426	>	Policy savedPolicy = Policy.getPolicy();
427	>	AdjustablePolicy policy = new AdjustablePolicy();
428	>	Policy.setPolicy(policy);
429	>	try {
430	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
431	>	shouldThrow();
432	>	} catch(AccessControlException success) {
433	>	} catch(Exception ex) {
434	>	unexpectedException();
435	>	}
436	>	finally {
437	>	Policy.setPolicy(savedPolicy);
438		}
439	<	public BigInteger call() {
440	<	BigInteger f1 = BigInteger.ONE;
441	<	BigInteger f2 = f1;
442	<	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
443	<	BigInteger t = f1.add(f2);
444	<	f1 = f2;
445	<	f2 = t;
446	<	}
447	<	return f1;
439	>	}
440	>
441	>	/**
442	>	* Without class loader permissions, calling
443	>	* privilegedCallableUsingCurrentClassLoader throws ACE
444	>	*/
445	>	public void testprivilegedCallableUsingCCLWithPrivs() {
446	>	Policy savedPolicy = Policy.getPolicy();
447	>	AdjustablePolicy policy = new AdjustablePolicy();
448	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
449	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
450	>	Policy.setPolicy(policy);
451	>	try {
452	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
453	>	task.call();
454	>	} catch(Exception ex) {
455	>	unexpectedException();
456	>	}
457	>	finally {
458	>	Policy.setPolicy(savedPolicy);
459		}
460	<	};
460	>	}
461	>
462	>	/**
463	>	* Without permissions, calling privilegedCallable throws ACE
464	>	*/
465	>	public void testprivilegedCallableWithNoPrivs() {
466	>	Policy savedPolicy = Policy.getPolicy();
467	>	AdjustablePolicy policy = new AdjustablePolicy();
468	>	Policy.setPolicy(policy);
469	>	Callable task = Executors.privilegedCallable(new CheckCCL());
470	>	Policy.setPolicy(savedPolicy);
471	>	try {
472	>	task.call();
473	>	shouldThrow();
474	>	} catch(AccessControlException success) {
475	>	} catch(Exception ex) {
476	>	unexpectedException();
477	>	} finally {
478	>	}
479	>	}
480	>
481	>	/**
482	>	* With permissions, calling privilegedCallable succeeds
483	>	*/
484	>	public void testprivilegedCallableWithPrivs() {
485	>	Policy savedPolicy = Policy.getPolicy();
486	>	AdjustablePolicy policy = new AdjustablePolicy();
487	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
488	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
489	>	Policy.setPolicy(policy);
490	>	Callable task = Executors.privilegedCallable(new CheckCCL());
491	>	try {
492	>	task.call();
493	>	} catch(Exception ex) {
494	>	unexpectedException();
495	>	} finally {
496	>	Policy.setPolicy(savedPolicy);
497	>	}
498	>	}
499
500	+	/**
501	+	* callable(Runnable) returns null when called
502	+	*/
503	+	public void testCallable1() {
504	+	try {
505	+	Callable c = Executors.callable(new NoOpRunnable());
506	+	assertNull(c.call());
507	+	} catch(Exception ex) {
508	+	unexpectedException();
509	+	}
510	+
511	+	}
512	+
513	+	/**
514	+	* callable(Runnable, result) returns result when called
515	+	*/
516	+	public void testCallable2() {
517	+	try {
518	+	Callable c = Executors.callable(new NoOpRunnable(), one);
519	+	assertEquals(one, c.call());
520	+	} catch(Exception ex) {
521	+	unexpectedException();
522	+	}
523	+	}
524	+
525	+	/**
526	+	* callable(PrivilegedAction) returns its result when called
527	+	*/
528	+	public void testCallable3() {
529	+	try {
530	+	Callable c = Executors.callable(new PrivilegedAction() {
531	+	public Object run() { return one; }});
532	+	assertEquals(one, c.call());
533	+	} catch(Exception ex) {
534	+	unexpectedException();
535	+	}
536	+	}
537	+
538	+	/**
539	+	* callable(PrivilegedExceptionAction) returns its result when called
540	+	*/
541	+	public void testCallable4() {
542	+	try {
543	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
544	+	public Object run() { return one; }});
545	+	assertEquals(one, c.call());
546	+	} catch(Exception ex) {
547	+	unexpectedException();
548	+	}
549	+	}
550	+
551	+
552	+	/**
553	+	* callable(null Runnable) throws NPE
554	+	*/
555	+	public void testCallableNPE1() {
556	+	try {
557	+	Runnable r = null;
558	+	Callable c = Executors.callable(r);
559	+	} catch (NullPointerException success) {
560	+	}
561	+	}
562	+
563	+	/**
564	+	* callable(null, result) throws NPE
565	+	*/
566	+	public void testCallableNPE2() {
567	+	try {
568	+	Runnable r = null;
569	+	Callable c = Executors.callable(r, one);
570	+	} catch (NullPointerException success) {
571	+	}
572	+	}
573	+
574	+	/**
575	+	* callable(null PrivilegedAction) throws NPE
576	+	*/
577	+	public void testCallableNPE3() {
578	+	try {
579	+	PrivilegedAction r = null;
580	+	Callable c = Executors.callable(r);
581	+	} catch (NullPointerException success) {
582	+	}
583	+	}
584	+
585	+	/**
586	+	* callable(null PrivilegedExceptionAction) throws NPE
587	+	*/
588	+	public void testCallableNPE4() {
589	+	try {
590	+	PrivilegedExceptionAction r = null;
591	+	Callable c = Executors.callable(r);
592	+	} catch (NullPointerException success) {
593	+	}
594	+	}
595
596
597		}

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