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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 1.11 by dl, Mon Dec 22 00:48:55 2003 UTC

#	Line 10 | Line 10 | import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12		import java.math.BigInteger;
13	+	import java.security.*;
14
15	<	public class ExecutorsTest extends TestCase{
15	<
15	>	public class ExecutorsTest extends JSR166TestCase{
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run (suite());
18		}
19	–
20	–
19		public static Test suite() {
20	<	return new TestSuite(ExecutorsTest.class);
20	>	return new TestSuite(ExecutorsTest.class);
21		}
22
23	<	private static long SHORT_DELAY_MS = 100;
24	<	private static long MEDIUM_DELAY_MS = 1000;
25	<	private static long LONG_DELAY_MS = 10000;
26	<
27	<	class SleepRun implements Runnable {
28	<	public void run() {
29	<	try{
30	<	Thread.sleep(MEDIUM_DELAY_MS);
31	<	} catch(InterruptedException e){
32	<	fail("unexpected exception");
23	>	static class TimedCallable<T> implements Callable<T> {
24	>	private final ExecutorService exec;
25	>	private final Callable<T> func;
26	>	private final long msecs;
27	>
28	>	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
29	>	this.exec = exec;
30	>	this.func = func;
31	>	this.msecs = msecs;
32	>	}
33	>
34	>	public T call() throws Exception {
35	>	Future<T> ftask = exec.submit(func);
36	>	try {
37	>	return ftask.get(msecs, TimeUnit.MILLISECONDS);
38	>	} finally {
39	>	ftask.cancel(true);
40		}
41		}
42		}
38	–
43
44	<	class SleepCall implements Callable {
45	<	public Object call(){
46	<	try{
47	<	Thread.sleep(MEDIUM_DELAY_MS);
48	<	}catch(InterruptedException e){
49	<	fail("unexpected exception");
44	>
45	>	private static class Fib implements Callable<BigInteger> {
46	>	private final BigInteger n;
47	>	Fib(long n) {
48	>	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
49	>	this.n = BigInteger.valueOf(n);
50	>	}
51	>	public BigInteger call() {
52	>	BigInteger f1 = BigInteger.ONE;
53	>	BigInteger f2 = f1;
54	>	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
55	>	BigInteger t = f1.add(f2);
56	>	f1 = f2;
57	>	f2 = t;
58		}
59	<	return Boolean.TRUE;
59	>	return f1;
60		}
61	<	}
50	<
61	>	};
62
63	+	/**
64	+	* A newCachedThreadPool can execute runnables
65	+	*/
66	+	public void testNewCachedThreadPool1() {
67	+	ExecutorService e = Executors.newCachedThreadPool();
68	+	e.execute(new NoOpRunnable());
69	+	e.execute(new NoOpRunnable());
70	+	e.execute(new NoOpRunnable());
71	+	e.shutdown();
72	+	}
73
74		/**
75	<	*  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
75	>	* A newCachedThreadPool with given ThreadFactory can execute runnables
76		*/
77	<	public void testExecute1(){
78	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
79	<	try{
80	<
81	<	for(int i = 0; i < 5; ++i){
82	<	Executors.execute(p, new SleepRun(), Boolean.TRUE);
66	<	}
67	<	fail("should throw");
68	<	} catch(RejectedExecutionException success){}
69	<	p.shutdownNow();
77	>	public void testNewCachedThreadPool2() {
78	>	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
79	>	e.execute(new NoOpRunnable());
80	>	e.execute(new NoOpRunnable());
81	>	e.execute(new NoOpRunnable());
82	>	e.shutdown();
83		}
84
85		/**
86	<	*  Test to verify execute(Executor, Callable) will throw
87	<	*  RejectedExecutionException Attempting to execute a callable on
88	<	*  a full ThreadPool will cause such an exception here, up to 5
89	<	*  runnables are attempted on a pool capable on handling one
90	<	*  until it throws an exception
91	<	*/
92	<	public void testExecute2(){
93	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
94	<	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();
86	>	* A newCachedThreadPool with null ThreadFactory throws NPE
87	>	*/
88	>	public void testNewCachedThreadPool3() {
89	>	try {
90	>	ExecutorService e = Executors.newCachedThreadPool(null);
91	>	shouldThrow();
92	>	}
93	>	catch(NullPointerException success) {
94	>	}
95		}
96
97
98		/**
99	<	*  Test to verify invoke(Executor, Runnable) throws InterruptedException
100	<	*  A single use of invoke starts that will wait long enough
101	<	*  for the invoking thread to be interrupted
102	<	*/
103	<	public void testInvoke2(){
104	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
105	<	Thread t = new Thread(new Runnable() {
106	<	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();
99	>	* A new SingleThreadExecutor can execute runnables
100	>	*/
101	>	public void testNewSingleThreadExecutor1() {
102	>	ExecutorService e = Executors.newSingleThreadExecutor();
103	>	e.execute(new NoOpRunnable());
104	>	e.execute(new NoOpRunnable());
105	>	e.execute(new NoOpRunnable());
106	>	e.shutdown();
107		}
108
109		/**
110	<	*  Test to verify invoke(Executor, Runnable) will throw
111	<	*  ExecutionException An ExecutionException occurs when the
112	<	*  underlying Runnable throws an exception, here the
113	<	*  DivideByZeroException will cause an ExecutionException
114	<	*/
115	<	public void testInvoke3(){
116	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
117	<	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();
110	>	* A new SingleThreadExecutor with given ThreadFactory can execute runnables
111	>	*/
112	>	public void testNewSingleThreadExecutor2() {
113	>	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
114	>	e.execute(new NoOpRunnable());
115	>	e.execute(new NoOpRunnable());
116	>	e.execute(new NoOpRunnable());
117	>	e.shutdown();
118		}
119
154	–
155	–
120		/**
121	<	*  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
121	>	* A new SingleThreadExecutor with null ThreadFactory throws NPE
122		*/
123	<	public void testInvoke5(){
124	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
125	<
126	<	final Callable c = new Callable(){
127	<	public Object call(){
128	<	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");
123	>	public void testNewSingleThreadExecutor3() {
124	>	try {
125	>	ExecutorService e = Executors.newSingleThreadExecutor(null);
126	>	shouldThrow();
127	>	}
128	>	catch(NullPointerException success) {
129		}
193	–
194	–	p.shutdownNow();
130		}
131
132		/**
133	<	*  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
133	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
134		*/
135	<	public void testInvoke6(){
136	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
137	<
138	<	try{
139	<	Callable c = new Callable(){
140	<	public Object call(){
141	<	int i = 5/0;
142	<	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();
135	>	public void testCastNewSingleThreadExecutor() {
136	>	ExecutorService e = Executors.newSingleThreadExecutor();
137	>	try {
138	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
139	>	} catch (ClassCastException success) {
140	>	} finally {
141	>	joinPool(e);
142	>	}
143		}
144
224	–	public void testExecuteRunnable () {
225	–	try {
226	–	Executor e = new DirectExecutor();
227	–	Task task = new Task();
145
146	<	assertFalse("task should not be complete", task.isCompleted());
146	>	/**
147	>	* A new newFixedThreadPool can execute runnables
148	>	*/
149	>	public void testNewFixedThreadPool1() {
150	>	ExecutorService e = Executors.newFixedThreadPool(2);
151	>	e.execute(new NoOpRunnable());
152	>	e.execute(new NoOpRunnable());
153	>	e.execute(new NoOpRunnable());
154	>	e.shutdown();
155	>	}
156
157	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
158	<	String result = future.get();
157	>	/**
158	>	* A new newFixedThreadPool with given ThreadFactory can execute runnables
159	>	*/
160	>	public void testNewFixedThreadPool2() {
161	>	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
162	>	e.execute(new NoOpRunnable());
163	>	e.execute(new NoOpRunnable());
164	>	e.execute(new NoOpRunnable());
165	>	e.shutdown();
166	>	}
167
168	<	assertTrue("task should be complete", task.isCompleted());
169	<	assertSame("should return test string", TEST_STRING, result);
170	<	}
171	<	catch (ExecutionException ex) {
172	<	fail("Unexpected exception");
168	>	/**
169	>	* A new newFixedThreadPool with null ThreadFactory throws NPE
170	>	*/
171	>	public void testNewFixedThreadPool3() {
172	>	try {
173	>	ExecutorService e = Executors.newFixedThreadPool(2, null);
174	>	shouldThrow();
175		}
176	<	catch (InterruptedException ex) {
241	<	fail("Unexpected exception");
176	>	catch(NullPointerException success) {
177		}
178		}
179
180	<	public void testInvokeRunnable () {
180	>	/**
181	>	* A new newFixedThreadPool with 0 threads throws IAE
182	>	*/
183	>	public void testNewFixedThreadPool4() {
184		try {
185	<	Executor e = new DirectExecutor();
186	<	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");
185	>	ExecutorService e = Executors.newFixedThreadPool(0);
186	>	shouldThrow();
187		}
188	<	catch (InterruptedException ex) {
260	<	fail("Unexpected exception");
188	>	catch(IllegalArgumentException success) {
189		}
190		}
191
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();
192
193	<	assertSame("should return test string", TEST_STRING, result);
194	<	}
195	<	catch (ExecutionException ex) {
196	<	fail("Unexpected exception");
193	>	/**
194	>	* An unconfigurable newFixedThreadPool can execute runnables
195	>	*/
196	>	public void testunconfigurableExecutorService() {
197	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
198	>	e.execute(new NoOpRunnable());
199	>	e.execute(new NoOpRunnable());
200	>	e.execute(new NoOpRunnable());
201	>	e.shutdown();
202	>	}
203	>
204	>	/**
205	>	* unconfigurableExecutorService(null) throws NPE
206	>	*/
207	>	public void testunconfigurableExecutorServiceNPE() {
208	>	try {
209	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
210		}
211	<	catch (InterruptedException ex) {
276	<	fail("Unexpected exception");
211	>	catch (NullPointerException success) {
212		}
213		}
214
215	<	public void testInvokeCallable () {
215	>	/**
216	>	* unconfigurableScheduledExecutorService(null) throws NPE
217	>	*/
218	>	public void testunconfigurableScheduledExecutorServiceNPE() {
219		try {
220	<	Executor e = new DirectExecutor();
283	<	String result = Executors.invoke(e, new StringTask());
284	<
285	<	assertSame("should return test string", TEST_STRING, result);
220	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
221		}
222	<	catch (ExecutionException ex) {
288	<	fail("Unexpected exception" );
289	<	}
290	<	catch (InterruptedException ex) {
291	<	fail("Unexpected exception");
222	>	catch (NullPointerException success) {
223		}
224		}
225
295	–	private static final String TEST_STRING = "a test string";
226
227	<	private static class Task implements Runnable {
228	<	public void run() { completed = true; }
229	<	public boolean isCompleted() { return completed; }
230	<	public void reset() { completed = false; }
231	<	private boolean completed = false;
227	>	/**
228	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
229	>	*/
230	>	public void testNewSingleThreadScheduledExecutor() {
231	>	try {
232	>	TrackedCallable callable = new TrackedCallable();
233	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
234	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
235	>	assertFalse(callable.done);
236	>	Thread.sleep(MEDIUM_DELAY_MS);
237	>	assertTrue(callable.done);
238	>	assertEquals(Boolean.TRUE, f.get());
239	>	p1.shutdown();
240	>	joinPool(p1);
241	>	} catch(RejectedExecutionException e){}
242	>	catch(Exception e){
243	>	e.printStackTrace();
244	>	unexpectedException();
245	>	}
246		}
247
248	<	private static class StringTask implements Callable<String> {
249	<	public String call() { return TEST_STRING; }
248	>	/**
249	>	* a newScheduledThreadPool successfully runs delayed task
250	>	*/
251	>	public void testnewScheduledThreadPool() {
252	>	try {
253	>	TrackedCallable callable = new TrackedCallable();
254	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
255	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
256	>	assertFalse(callable.done);
257	>	Thread.sleep(MEDIUM_DELAY_MS);
258	>	assertTrue(callable.done);
259	>	assertEquals(Boolean.TRUE, f.get());
260	>	p1.shutdown();
261	>	joinPool(p1);
262	>	} catch(RejectedExecutionException e){}
263	>	catch(Exception e){
264	>	e.printStackTrace();
265	>	unexpectedException();
266	>	}
267		}
268
269	<	static class DirectExecutor implements Executor {
270	<	public void execute(Runnable r) {
271	<	r.run();
269	>	/**
270	>	* an unconfigurable  newScheduledThreadPool successfully runs delayed task
271	>	*/
272	>	public void testunconfigurableScheduledExecutorService() {
273	>	try {
274	>	TrackedCallable callable = new TrackedCallable();
275	>	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
276	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
277	>	assertFalse(callable.done);
278	>	Thread.sleep(MEDIUM_DELAY_MS);
279	>	assertTrue(callable.done);
280	>	assertEquals(Boolean.TRUE, f.get());
281	>	p1.shutdown();
282	>	joinPool(p1);
283	>	} catch(RejectedExecutionException e){}
284	>	catch(Exception e){
285	>	e.printStackTrace();
286	>	unexpectedException();
287		}
288		}
289
290		/**
291	<	* Check that timeouts from execute will time out if they compute
316	<	* too long.
291	>	*  timeouts from execute will time out if they compute too long.
292		*/
318	–
293		public void testTimedCallable() {
294		int N = 10000;
295		ExecutorService executor = Executors.newSingleThreadExecutor();
#	Line 341 | Line 315 | public class ExecutorsTest extends TestC
315		return;
316		}
317		catch (Exception e) {
318	<	fail("unexpected exception: " + e);
318	>	unexpectedException();
319		}
320		}
321		// if by chance we didn't ever time out, total time must be small
#	Line 349 | Line 323 | public class ExecutorsTest extends TestC
323		assertTrue(elapsed < N);
324		}
325		finally {
326	<	executor.shutdownNow();
326	>	joinPool(executor);
327		}
328		}
329
330
331	<	static class TimedCallable<T> implements Callable<T> {
332	<	private final Executor exec;
333	<	private final Callable<T> func;
334	<	private final long msecs;
331	>	/**
332	>	* ThreadPoolExecutor using defaultThreadFactory has
333	>	* specified group, priority, daemon status, and name
334	>	*/
335	>	public void testDefaultThreadFactory() {
336	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
337	>	Runnable r = new Runnable() {
338	>	public void run() {
339	>	Thread current = Thread.currentThread();
340	>	threadAssertTrue(!current.isDaemon());
341	>	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
342	>	ThreadGroup g = current.getThreadGroup();
343	>	SecurityManager s = System.getSecurityManager();
344	>	if (s != null)
345	>	threadAssertTrue(g == s.getThreadGroup());
346	>	else
347	>	threadAssertTrue(g == egroup);
348	>	String name = current.getName();
349	>	threadAssertTrue(name.endsWith("thread-1"));
350	>	}
351	>	};
352	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
353
354	<	TimedCallable(Executor exec, Callable<T> func, long msecs) {
355	<	this.exec = exec;
356	<	this.func = func;
357	<	this.msecs = msecs;
354	>	e.execute(r);
355	>	e.shutdown();
356	>	try {
357	>	Thread.sleep(SHORT_DELAY_MS);
358	>	} catch (Exception eX) {
359	>	unexpectedException();
360	>	} finally {
361	>	joinPool(e);
362		}
363	+	}
364	+
365	+	/**
366	+	* ThreadPoolExecutor using privilegedThreadFactory has
367	+	* specified group, priority, daemon status, name,
368	+	* access control context and context class loader
369	+	*/
370	+	public void testPrivilegedThreadFactory() {
371	+	Policy savedPolicy = Policy.getPolicy();
372	+	AdjustablePolicy policy = new AdjustablePolicy();
373	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
374	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
375	+	Policy.setPolicy(policy);
376	+	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
377	+	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
378	+	final AccessControlContext thisacc = AccessController.getContext();
379	+	Runnable r = new Runnable() {
380	+	public void run() {
381	+	Thread current = Thread.currentThread();
382	+	threadAssertTrue(!current.isDaemon());
383	+	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
384	+	ThreadGroup g = current.getThreadGroup();
385	+	SecurityManager s = System.getSecurityManager();
386	+	if (s != null)
387	+	threadAssertTrue(g == s.getThreadGroup());
388	+	else
389	+	threadAssertTrue(g == egroup);
390	+	String name = current.getName();
391	+	threadAssertTrue(name.endsWith("thread-1"));
392	+	threadAssertTrue(thisccl == current.getContextClassLoader());
393	+	threadAssertTrue(thisacc.equals(AccessController.getContext()));
394	+	}
395	+	};
396	+	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
397
398	<	public T call() throws Exception {
399	<	Future<T> ftask = Executors.execute(exec, func);
400	<	try {
401	<	return ftask.get(msecs, TimeUnit.MILLISECONDS);
402	<	} finally {
403	<	ftask.cancel(true);
404	<	}
398	>	Policy.setPolicy(savedPolicy);
399	>	e.execute(r);
400	>	e.shutdown();
401	>	try {
402	>	Thread.sleep(SHORT_DELAY_MS);
403	>	} catch (Exception ex) {
404	>	unexpectedException();
405	>	} finally {
406	>	joinPool(e);
407		}
408	+
409		}
410
411	+	static class CheckCCL implements Callable<Object> {
412	+	public Object call() {
413	+	AccessControlContext acc = AccessController.getContext();
414	+	acc.checkPermission(new RuntimePermission("getContextClassLoader"));
415	+	return null;
416	+	}
417	+	}
418
419	<	private static class Fib implements Callable<BigInteger> {
420	<	private final BigInteger n;
421	<	Fib(long n) {
422	<	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
423	<	this.n = BigInteger.valueOf(n);
419	>
420	>	/**
421	>	* Without class loader permissions, creating
422	>	* privilegedCallableUsingCurrentClassLoader throws ACE
423	>	*/
424	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
425	>	Policy savedPolicy = Policy.getPolicy();
426	>	AdjustablePolicy policy = new AdjustablePolicy();
427	>	Policy.setPolicy(policy);
428	>	try {
429	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
430	>	shouldThrow();
431	>	} catch(AccessControlException success) {
432	>	} catch(Exception ex) {
433	>	unexpectedException();
434	>	}
435	>	finally {
436	>	Policy.setPolicy(savedPolicy);
437		}
438	<	public BigInteger call() {
439	<	BigInteger f1 = BigInteger.ONE;
440	<	BigInteger f2 = f1;
441	<	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
442	<	BigInteger t = f1.add(f2);
443	<	f1 = f2;
444	<	f2 = t;
445	<	}
446	<	return f1;
438	>	}
439	>
440	>	/**
441	>	* Without class loader permissions, calling
442	>	* privilegedCallableUsingCurrentClassLoader throws ACE
443	>	*/
444	>	public void testprivilegedCallableUsingCCLWithPrivs() {
445	>	Policy savedPolicy = Policy.getPolicy();
446	>	AdjustablePolicy policy = new AdjustablePolicy();
447	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
448	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
449	>	Policy.setPolicy(policy);
450	>	try {
451	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
452	>	task.call();
453	>	} catch(Exception ex) {
454	>	unexpectedException();
455	>	}
456	>	finally {
457	>	Policy.setPolicy(savedPolicy);
458		}
459	<	};
459	>	}
460	>
461	>	/**
462	>	* Without permissions, calling privilegedCallable throws ACE
463	>	*/
464	>	public void testprivilegedCallableWithNoPrivs() {
465	>	Policy savedPolicy = Policy.getPolicy();
466	>	AdjustablePolicy policy = new AdjustablePolicy();
467	>	Policy.setPolicy(policy);
468	>	Callable task = Executors.privilegedCallable(new CheckCCL());
469	>	Policy.setPolicy(savedPolicy);
470	>	try {
471	>	task.call();
472	>	shouldThrow();
473	>	} catch(AccessControlException success) {
474	>	} catch(Exception ex) {
475	>	unexpectedException();
476	>	} finally {
477	>	}
478	>	}
479	>
480	>	/**
481	>	* With permissions, calling privilegedCallable succeeds
482	>	*/
483	>	public void testprivilegedCallableWithPrivs() {
484	>	Policy savedPolicy = Policy.getPolicy();
485	>	AdjustablePolicy policy = new AdjustablePolicy();
486	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
487	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
488	>	Policy.setPolicy(policy);
489	>	Callable task = Executors.privilegedCallable(new CheckCCL());
490	>	try {
491	>	task.call();
492	>	} catch(Exception ex) {
493	>	unexpectedException();
494	>	} finally {
495	>	Policy.setPolicy(savedPolicy);
496	>	}
497	>	}
498
499	+	/**
500	+	* callable(Runnable) returns null when called
501	+	*/
502	+	public void testCallable1() {
503	+	try {
504	+	Callable c = Executors.callable(new NoOpRunnable());
505	+	assertNull(c.call());
506	+	} catch(Exception ex) {
507	+	unexpectedException();
508	+	}
509	+
510	+	}
511	+
512	+	/**
513	+	* callable(Runnable, result) returns result when called
514	+	*/
515	+	public void testCallable2() {
516	+	try {
517	+	Callable c = Executors.callable(new NoOpRunnable(), one);
518	+	assertEquals(one, c.call());
519	+	} catch(Exception ex) {
520	+	unexpectedException();
521	+	}
522	+	}
523	+
524	+	/**
525	+	* callable(PrivilegedAction) returns its result when called
526	+	*/
527	+	public void testCallable3() {
528	+	try {
529	+	Callable c = Executors.callable(new PrivilegedAction() {
530	+	public Object run() { return one; }});
531	+	assertEquals(one, c.call());
532	+	} catch(Exception ex) {
533	+	unexpectedException();
534	+	}
535	+	}
536	+
537	+	/**
538	+	* callable(PrivilegedExceptionAction) returns its result when called
539	+	*/
540	+	public void testCallable4() {
541	+	try {
542	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
543	+	public Object run() { return one; }});
544	+	assertEquals(one, c.call());
545	+	} catch(Exception ex) {
546	+	unexpectedException();
547	+	}
548	+	}
549	+
550	+
551	+	/**
552	+	* callable(null Runnable) throws NPE
553	+	*/
554	+	public void testCallableNPE1() {
555	+	try {
556	+	Runnable r = null;
557	+	Callable c = Executors.callable(r);
558	+	} catch (NullPointerException success) {
559	+	}
560	+	}
561	+
562	+	/**
563	+	* callable(null, result) throws NPE
564	+	*/
565	+	public void testCallableNPE2() {
566	+	try {
567	+	Runnable r = null;
568	+	Callable c = Executors.callable(r, one);
569	+	} catch (NullPointerException success) {
570	+	}
571	+	}
572	+
573	+	/**
574	+	* callable(null PrivilegedAction) throws NPE
575	+	*/
576	+	public void testCallableNPE3() {
577	+	try {
578	+	PrivilegedAction r = null;
579	+	Callable c = Executors.callable(r);
580	+	} catch (NullPointerException success) {
581	+	}
582	+	}
583	+
584	+	/**
585	+	* callable(null PrivilegedExceptionAction) throws NPE
586	+	*/
587	+	public void testCallableNPE4() {
588	+	try {
589	+	PrivilegedExceptionAction r = null;
590	+	Callable c = Executors.callable(r);
591	+	} catch (NullPointerException success) {
592	+	}
593	+	}
594
595
596		}

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