ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:55 2003 UTC vs.
Revision 1.18 by dl, Tue Aug 4 13:58:09 2009 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 java.math.BigInteger;
14	+	import java.security.*;
15	+	import sun.security.util.SecurityConstants;
16
17	<	public class ExecutorsTest extends TestCase{
14	<
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		}
18	–
19	–
21		public static Test suite() {
22	<	return new TestSuite(ExecutorsTest.class);
22	>	return new TestSuite(ExecutorsTest.class);
23		}
24
25	<	private static long SHORT_DELAY_MS = 100;
26	<	private static long MEDIUM_DELAY_MS = 1000;
27	<	private static long LONG_DELAY_MS = 10000;
28	<
29	<	class SleepRun implements Runnable {
30	<	public void run() {
31	<	try{
32	<	Thread.sleep(MEDIUM_DELAY_MS);
33	<	} catch(InterruptedException e){
34	<	fail("unexpected exception");
25	>	static class TimedCallable<T> implements Callable<T> {
26	>	private final ExecutorService exec;
27	>	private final Callable<T> func;
28	>	private final long msecs;
29	>
30	>	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
31	>	this.exec = exec;
32	>	this.func = func;
33	>	this.msecs = msecs;
34	>	}
35	>
36	>	public T call() throws Exception {
37	>	Future<T> ftask = exec.submit(func);
38	>	try {
39	>	return ftask.get(msecs, TimeUnit.MILLISECONDS);
40	>	} finally {
41	>	ftask.cancel(true);
42		}
43		}
44		}
37	–
45
46	<	class SleepCall implements Callable {
47	<	public Object call(){
48	<	try{
49	<	Thread.sleep(MEDIUM_DELAY_MS);
50	<	}catch(InterruptedException e){
51	<	fail("unexpected exception");
46	>
47	>	private static class Fib implements Callable<BigInteger> {
48	>	private final BigInteger n;
49	>	Fib(long n) {
50	>	if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n);
51	>	this.n = BigInteger.valueOf(n);
52	>	}
53	>	public BigInteger call() {
54	>	BigInteger f1 = BigInteger.ONE;
55	>	BigInteger f2 = f1;
56	>	for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) {
57	>	BigInteger t = f1.add(f2);
58	>	f1 = f2;
59	>	f2 = t;
60		}
61	<	return Boolean.TRUE;
61	>	return f1;
62		}
63	+	};
64	+
65	+	/**
66	+	* A newCachedThreadPool can execute runnables
67	+	*/
68	+	public void testNewCachedThreadPool1() {
69	+	ExecutorService e = Executors.newCachedThreadPool();
70	+	e.execute(new NoOpRunnable());
71	+	e.execute(new NoOpRunnable());
72	+	e.execute(new NoOpRunnable());
73	+	joinPool(e);
74		}
75
76	+	/**
77	+	* A newCachedThreadPool with given ThreadFactory can execute runnables
78	+	*/
79	+	public void testNewCachedThreadPool2() {
80	+	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
81	+	e.execute(new NoOpRunnable());
82	+	e.execute(new NoOpRunnable());
83	+	e.execute(new NoOpRunnable());
84	+	joinPool(e);
85	+	}
86	+
87	+	/**
88	+	* A newCachedThreadPool with null ThreadFactory throws NPE
89	+	*/
90	+	public void testNewCachedThreadPool3() {
91	+	try {
92	+	ExecutorService e = Executors.newCachedThreadPool(null);
93	+	shouldThrow();
94	+	}
95	+	catch(NullPointerException success) {
96	+	}
97	+	}
98
99
100		/**
101	<	*  Test to verify execute(Executor, Runnable) will throw
54	<	*  RejectedExecutionException Attempting to execute a runnable on
55	<	*  a full ThreadPool will cause such an exception here, up to 5
56	<	*  runnables are attempted on a pool capable on handling one
57	<	*  until it throws an exception
101	>	* A new SingleThreadExecutor can execute runnables
102		*/
103	<	public void testExecute1(){
104	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
105	<	try{
106	<
107	<	for(int i = 0; i < 5; ++i){
108	<	Executors.execute(p, new SleepRun(), Boolean.TRUE);
65	<	}
66	<	fail("should throw");
67	<	} catch(RejectedExecutionException success){}
68	<	p.shutdownNow();
103	>	public void testNewSingleThreadExecutor1() {
104	>	ExecutorService e = Executors.newSingleThreadExecutor();
105	>	e.execute(new NoOpRunnable());
106	>	e.execute(new NoOpRunnable());
107	>	e.execute(new NoOpRunnable());
108	>	joinPool(e);
109		}
110
111		/**
112	<	*  Test to verify execute(Executor, Callable) will throw
113	<	*  RejectedExecutionException Attempting to execute a callable on
114	<	*  a full ThreadPool will cause such an exception here, up to 5
115	<	*  runnables are attempted on a pool capable on handling one
116	<	*  until it throws an exception
117	<	*/
118	<	public void testExecute2(){
119	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
80	<	try{
81	<	for(int i = 0; i < 5; ++i) {
82	<	Executors.execute(p, new SleepCall());
83	<	}
84	<	fail("should throw");
85	<	}catch(RejectedExecutionException e){}
86	<	p.shutdownNow();
112	>	* A new SingleThreadExecutor with given ThreadFactory can execute runnables
113	>	*/
114	>	public void testNewSingleThreadExecutor2() {
115	>	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
116	>	e.execute(new NoOpRunnable());
117	>	e.execute(new NoOpRunnable());
118	>	e.execute(new NoOpRunnable());
119	>	joinPool(e);
120		}
121
122	+	/**
123	+	* A new SingleThreadExecutor with null ThreadFactory throws NPE
124	+	*/
125	+	public void testNewSingleThreadExecutor3() {
126	+	try {
127	+	ExecutorService e = Executors.newSingleThreadExecutor(null);
128	+	shouldThrow();
129	+	}
130	+	catch(NullPointerException success) {
131	+	}
132	+	}
133
134		/**
135	<	*  Test to verify invoke(Executor, Runnable) throws InterruptedException
136	<	*  A single use of invoke starts that will wait long enough
137	<	*  for the invoking thread to be interrupted
138	<	*/
139	<	public void testInvoke2(){
140	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
141	<	Thread t = new Thread(new Runnable() {
142	<	public void run(){
143	<	try{
144	<	Executors.invoke(p,new Runnable(){
101	<	public void run(){
102	<	try{
103	<	Thread.sleep(MEDIUM_DELAY_MS);
104	<	fail("should throw");
105	<	}catch(InterruptedException e){
106	<	}
107	<	}
108	<	});
109	<	} catch(InterruptedException success){
110	<	} catch(Exception e) {
111	<	fail("unexpected exception");
112	<	}
113	<
114	<	}
115	<	});
116	<	try{
117	<	t.start();
118	<	Thread.sleep(SHORT_DELAY_MS);
119	<	t.interrupt();
120	<	}catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	p.shutdownNow();
135	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
136	>	*/
137	>	public void testCastNewSingleThreadExecutor() {
138	>	ExecutorService e = Executors.newSingleThreadExecutor();
139	>	try {
140	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
141	>	} catch (ClassCastException success) {
142	>	} finally {
143	>	joinPool(e);
144	>	}
145		}
146
147	+
148		/**
149	<	*  Test to verify invoke(Executor, Runnable) will throw
150	<	*  ExecutionException An ExecutionException occurs when the
151	<	*  underlying Runnable throws an exception, here the
152	<	*  DivideByZeroException will cause an ExecutionException
153	<	*/
154	<	public void testInvoke3(){
155	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
156	<	try{
157	<	Runnable r = new Runnable(){
158	<	public void run(){
159	<	int i = 5/0;
160	<	}
161	<	};
162	<
163	<	for(int i =0; i < 5; i++){
164	<	Executors.invoke(p,r);
165	<	}
166	<
167	<	fail("should throw");
168	<	} catch(ExecutionException success){
169	<	} catch(Exception e){
170	<	fail("should throw EE");
149	>	* A new newFixedThreadPool can execute runnables
150	>	*/
151	>	public void testNewFixedThreadPool1() {
152	>	ExecutorService e = 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	>	* A new newFixedThreadPool with given ThreadFactory can execute runnables
161	>	*/
162	>	public void testNewFixedThreadPool2() {
163	>	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
164	>	e.execute(new NoOpRunnable());
165	>	e.execute(new NoOpRunnable());
166	>	e.execute(new NoOpRunnable());
167	>	joinPool(e);
168	>	}
169	>
170	>	/**
171	>	* A new newFixedThreadPool with null ThreadFactory throws NPE
172	>	*/
173	>	public void testNewFixedThreadPool3() {
174	>	try {
175	>	ExecutorService e = Executors.newFixedThreadPool(2, null);
176	>	shouldThrow();
177	>	}
178	>	catch(NullPointerException success) {
179	>	}
180	>	}
181	>
182	>	/**
183	>	* A new newFixedThreadPool with 0 threads throws IAE
184	>	*/
185	>	public void testNewFixedThreadPool4() {
186	>	try {
187	>	ExecutorService e = Executors.newFixedThreadPool(0);
188	>	shouldThrow();
189	>	}
190	>	catch(IllegalArgumentException success) {
191		}
150	–	p.shutdownNow();
192		}
193
194
195	+	/**
196	+	* An unconfigurable newFixedThreadPool can execute runnables
197	+	*/
198	+	public void testunconfigurableExecutorService() {
199	+	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
200	+	e.execute(new NoOpRunnable());
201	+	e.execute(new NoOpRunnable());
202	+	e.execute(new NoOpRunnable());
203	+	joinPool(e);
204	+	}
205
206		/**
207	<	*  Test to verify invoke(Executor, Callable) throws
157	<	*  InterruptedException A single use of invoke starts that will
158	<	*  wait long enough for the invoking thread to be interrupted
207	>	* unconfigurableExecutorService(null) throws NPE
208		*/
209	<	public void testInvoke5(){
210	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
211	<
212	<	final Callable c = new Callable(){
213	<	public Object call(){
214	<	try{
215	<	Executors.invoke(p, new SleepCall());
167	<	fail("should throw");
168	<	}catch(InterruptedException e){}
169	<	catch(RejectedExecutionException e2){}
170	<	catch(ExecutionException e3){}
171	<	return Boolean.TRUE;
172	<	}
173	<	};
209	>	public void testunconfigurableExecutorServiceNPE() {
210	>	try {
211	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
212	>	}
213	>	catch (NullPointerException success) {
214	>	}
215	>	}
216
217	+	/**
218	+	* unconfigurableScheduledExecutorService(null) throws NPE
219	+	*/
220	+	public void testunconfigurableScheduledExecutorServiceNPE() {
221	+	try {
222	+	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
223	+	}
224	+	catch (NullPointerException success) {
225	+	}
226	+	}
227
228	<
229	<	Thread t = new Thread(new Runnable(){
230	<	public void run(){
231	<	try{
232	<	c.call();
233	<	}catch(Exception e){}
234	<	}
235	<	});
236	<	try{
237	<	t.start();
238	<	Thread.sleep(SHORT_DELAY_MS);
239	<	t.interrupt();
240	<	t.join();
241	<	}catch(InterruptedException e){
242	<	fail("unexpected exception");
228	>
229	>	/**
230	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
231	>	*/
232	>	public void testNewSingleThreadScheduledExecutor() {
233	>	try {
234	>	TrackedCallable callable = new TrackedCallable();
235	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
236	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
237	>	assertFalse(callable.done);
238	>	Thread.sleep(MEDIUM_DELAY_MS);
239	>	assertTrue(callable.done);
240	>	assertEquals(Boolean.TRUE, f.get());
241	>	joinPool(p1);
242	>	} catch(RejectedExecutionException e){}
243	>	catch(Exception e){
244	>	e.printStackTrace();
245	>	unexpectedException();
246		}
192	–
193	–	p.shutdownNow();
247		}
248
249		/**
250	<	*  Test to verify invoke(Executor, Callable) will throw ExecutionException
198	<	*  An ExecutionException occurs when the underlying Runnable throws
199	<	*  an exception, here the DivideByZeroException will cause an ExecutionException
250	>	* a newScheduledThreadPool successfully runs delayed task
251		*/
252	<	public void testInvoke6(){
253	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
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	>	joinPool(p1);
262	>	} catch(RejectedExecutionException e){}
263	>	catch(Exception e){
264	>	e.printStackTrace();
265	>	unexpectedException();
266	>	}
267	>	}
268
269	<	try{
270	<	Callable c = new Callable(){
271	<	public Object call(){
272	<	int i = 5/0;
273	<	return Boolean.TRUE;
274	<	}
275	<	};
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	>	joinPool(p1);
282	>	} catch(RejectedExecutionException e){}
283	>	catch(Exception e){
284	>	e.printStackTrace();
285	>	unexpectedException();
286	>	}
287	>	}
288	>
289	>	/**
290	>	*  timeouts from execute will time out if they compute too long.
291	>	*/
292	>	public void testTimedCallable() {
293	>	int N = 10000;
294	>	ExecutorService executor = Executors.newSingleThreadExecutor();
295	>	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
296	>	try {
297	>	long startTime = System.currentTimeMillis();
298
299	<	for(int i =0; i < 5; i++){
300	<	Executors.invoke(p,c);
299	>	long i = 0;
300	>	while (tasks.size() < N) {
301	>	tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
302	>	i += 10;
303		}
304
305	<	fail("should throw");
306	<	}catch(RejectedExecutionException e){}
307	<	catch(InterruptedException e2){}
308	<	catch(ExecutionException e3){}
309	<	p.shutdownNow();
305	>	int iters = 0;
306	>	BigInteger sum = BigInteger.ZERO;
307	>	for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
308	>	try {
309	>	++iters;
310	>	sum = sum.add(it.next().call());
311	>	}
312	>	catch (TimeoutException success) {
313	>	assertTrue(iters > 0);
314	>	return;
315	>	}
316	>	catch (Exception e) {
317	>	unexpectedException();
318	>	}
319	>	}
320	>	// if by chance we didn't ever time out, total time must be small
321	>	long elapsed = System.currentTimeMillis() - startTime;
322	>	assertTrue(elapsed < N);
323	>	}
324	>	finally {
325	>	joinPool(executor);
326	>	}
327		}
328
329	<	public void testExecuteRunnable () {
329	>
330	>	/**
331	>	* ThreadPoolExecutor using defaultThreadFactory has
332	>	* specified group, priority, daemon status, and name
333	>	*/
334	>	public void testDefaultThreadFactory() {
335	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
336	>	Runnable r = new Runnable() {
337	>	public void run() {
338	>	try {
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	>	} catch (SecurityException ok) {
351	>	// Also pass if not allowed to change setting
352	>	}
353	>	}
354	>	};
355	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
356	>
357	>	e.execute(r);
358	>	try {
359	>	e.shutdown();
360	>	} catch(SecurityException ok) {
361	>	}
362	>
363		try {
364	<	Executor e = new DirectExecutor();
365	<	Task task = new Task();
364	>	Thread.sleep(SHORT_DELAY_MS);
365	>	} catch (Exception eX) {
366	>	unexpectedException();
367	>	} finally {
368	>	joinPool(e);
369	>	}
370	>	}
371
372	<	assertFalse("task should not be complete", task.isCompleted());
372	>	/**
373	>	* ThreadPoolExecutor using privilegedThreadFactory has
374	>	* specified group, priority, daemon status, name,
375	>	* access control context and context class loader
376	>	*/
377	>	public void testPrivilegedThreadFactory() {
378	>	Policy savedPolicy = null;
379	>	try {
380	>	savedPolicy = Policy.getPolicy();
381	>	AdjustablePolicy policy = new AdjustablePolicy();
382	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
383	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
384	>	Policy.setPolicy(policy);
385	>	} catch (AccessControlException ok) {
386	>	return;
387	>	}
388	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
389	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
390	>	final AccessControlContext thisacc = AccessController.getContext();
391	>	Runnable r = new Runnable() {
392	>	public void run() {
393	>	try {
394	>	Thread current = Thread.currentThread();
395	>	threadAssertTrue(!current.isDaemon());
396	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
397	>	ThreadGroup g = current.getThreadGroup();
398	>	SecurityManager s = System.getSecurityManager();
399	>	if (s != null)
400	>	threadAssertTrue(g == s.getThreadGroup());
401	>	else
402	>	threadAssertTrue(g == egroup);
403	>	String name = current.getName();
404	>	threadAssertTrue(name.endsWith("thread-1"));
405	>	threadAssertTrue(thisccl == current.getContextClassLoader());
406	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
407	>	} catch(SecurityException ok) {
408	>	// Also pass if not allowed to change settings
409	>	}
410	>	}
411	>	};
412	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
413	>
414	>	Policy.setPolicy(savedPolicy);
415	>	e.execute(r);
416	>	try {
417	>	e.shutdown();
418	>	} catch(SecurityException ok) {
419	>	}
420	>	try {
421	>	Thread.sleep(SHORT_DELAY_MS);
422	>	} catch (Exception ex) {
423	>	unexpectedException();
424	>	} finally {
425	>	joinPool(e);
426	>	}
427
428	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
231	<	String result = future.get();
428	>	}
429
430	<	assertTrue("task should be complete", task.isCompleted());
431	<	assertSame("should return test string", TEST_STRING, result);
430	>	void checkCCL() {
431	>	SecurityManager sm = System.getSecurityManager();
432	>	if (sm != null) {
433	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
434	>	sm.checkPermission(SecurityConstants.GET_CLASSLOADER_PERMISSION);
435		}
436	<	catch (ExecutionException ex) {
437	<	fail("Unexpected exception");
438	<	}
439	<	catch (InterruptedException ex) {
440	<	fail("Unexpected exception");
436	>	}
437	>
438	>	class CheckCCL implements Callable<Object> {
439	>	public Object call() {
440	>	checkCCL();
441	>	return null;
442		}
443		}
444
244	–	public void testInvokeRunnable () {
245	–	try {
246	–	Executor e = new DirectExecutor();
247	–	Task task = new Task();
445
446	<	assertFalse("task should not be complete", task.isCompleted());
446	>	/**
447	>	* Without class loader permissions, creating
448	>	* privilegedCallableUsingCurrentClassLoader throws ACE
449	>	*/
450	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
451	>	Policy savedPolicy = null;
452	>	try {
453	>	savedPolicy = Policy.getPolicy();
454	>	AdjustablePolicy policy = new AdjustablePolicy();
455	>	Policy.setPolicy(policy);
456	>	} catch (AccessControlException ok) {
457	>	return;
458	>	}
459
460	<	Executors.invoke(e, task);
460	>	// Check if program still has too many permissions to run test
461	>	try {
462	>	checkCCL();
463	>	// too many privileges to test; so return
464	>	Policy.setPolicy(savedPolicy);
465	>	return;
466	>	} catch(AccessControlException ok) {
467	>	}
468
469	<	assertTrue("task should be complete", task.isCompleted());
469	>	try {
470	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
471	>	shouldThrow();
472	>	} catch(AccessControlException success) {
473	>	} catch(Exception ex) {
474	>	unexpectedException();
475	>	}
476	>	finally {
477	>	Policy.setPolicy(savedPolicy);
478		}
479	<	catch (ExecutionException ex) {
480	<	fail("Unexpected exception");
479	>	}
480	>
481	>	/**
482	>	* With class loader permissions, calling
483	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
484	>	*/
485	>	public void testprivilegedCallableUsingCCLWithPrivs() {
486	>	Policy savedPolicy = null;
487	>	try {
488	>	savedPolicy = Policy.getPolicy();
489	>	AdjustablePolicy policy = new AdjustablePolicy();
490	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
491	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
492	>	Policy.setPolicy(policy);
493	>	} catch (AccessControlException ok) {
494	>	return;
495		}
496	<	catch (InterruptedException ex) {
497	<	fail("Unexpected exception");
496	>
497	>	try {
498	>	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
499	>	task.call();
500	>	} catch(Exception ex) {
501	>	unexpectedException();
502	>	}
503	>	finally {
504	>	Policy.setPolicy(savedPolicy);
505		}
506		}
507
508	<	public void testExecuteCallable () {
508	>	/**
509	>	* Without permissions, calling privilegedCallable throws ACE
510	>	*/
511	>	public void testprivilegedCallableWithNoPrivs() {
512	>	Callable task;
513	>	Policy savedPolicy = null;
514	>	AdjustablePolicy policy = null;
515	>	AccessControlContext noprivAcc = null;
516		try {
517	<	Executor e = new DirectExecutor();
518	<	Future<String> future = Executors.execute(e, new StringTask());
519	<	String result = future.get();
517	>	savedPolicy = Policy.getPolicy();
518	>	policy = new AdjustablePolicy();
519	>	Policy.setPolicy(policy);
520	>	noprivAcc = AccessController.getContext();
521	>	task = Executors.privilegedCallable(new CheckCCL());
522	>	Policy.setPolicy(savedPolicy);
523	>	} catch (AccessControlException ok) {
524	>	return; // program has too few permissions to set up test
525	>	}
526
527	<	assertSame("should return test string", TEST_STRING, result);
527	>	// Make sure that program doesn't have too many permissions
528	>	try {
529	>	AccessController.doPrivileged(new PrivilegedAction() {
530	>	public Object run() {
531	>	checkCCL();
532	>	return null;
533	>	}}, noprivAcc);
534	>	// too many permssions; skip test
535	>	return;
536	>	} catch(AccessControlException ok) {
537		}
538	<	catch (ExecutionException ex) {
539	<	fail("Unexpected exception");
538	>
539	>	try {
540	>	task.call();
541	>	shouldThrow();
542	>	} catch(AccessControlException success) {
543	>	} catch(Exception ex) {
544	>	unexpectedException();
545	>	}
546	>	}
547	>
548	>	/**
549	>	* With permissions, calling privilegedCallable succeeds
550	>	*/
551	>	public void testprivilegedCallableWithPrivs() {
552	>	Policy savedPolicy = null;
553	>	try {
554	>	savedPolicy = Policy.getPolicy();
555	>	AdjustablePolicy policy = new AdjustablePolicy();
556	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
557	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
558	>	Policy.setPolicy(policy);
559	>	} catch (AccessControlException ok) {
560	>	return;
561		}
562	<	catch (InterruptedException ex) {
563	<	fail("Unexpected exception");
562	>
563	>	Callable task = Executors.privilegedCallable(new CheckCCL());
564	>	try {
565	>	task.call();
566	>	} catch(Exception ex) {
567	>	unexpectedException();
568	>	} finally {
569	>	Policy.setPolicy(savedPolicy);
570		}
571		}
572
573	<	public void testInvokeCallable () {
573	>	/**
574	>	* callable(Runnable) returns null when called
575	>	*/
576	>	public void testCallable1() {
577		try {
578	<	Executor e = new DirectExecutor();
579	<	String result = Executors.invoke(e, new StringTask());
578	>	Callable c = Executors.callable(new NoOpRunnable());
579	>	assertNull(c.call());
580	>	} catch(Exception ex) {
581	>	unexpectedException();
582	>	}
583	>
584	>	}
585
586	<	assertSame("should return test string", TEST_STRING, result);
586	>	/**
587	>	* callable(Runnable, result) returns result when called
588	>	*/
589	>	public void testCallable2() {
590	>	try {
591	>	Callable c = Executors.callable(new NoOpRunnable(), one);
592	>	assertEquals(one, c.call());
593	>	} catch(Exception ex) {
594	>	unexpectedException();
595		}
596	<	catch (ExecutionException ex) {
597	<	fail("Unexpected exception" );
596	>	}
597	>
598	>	/**
599	>	* callable(PrivilegedAction) returns its result when called
600	>	*/
601	>	public void testCallable3() {
602	>	try {
603	>	Callable c = Executors.callable(new PrivilegedAction() {
604	>	public Object run() { return one; }});
605	>	assertEquals(one, c.call());
606	>	} catch(Exception ex) {
607	>	unexpectedException();
608		}
609	<	catch (InterruptedException ex) {
610	<	fail("Unexpected exception");
609	>	}
610	>
611	>	/**
612	>	* callable(PrivilegedExceptionAction) returns its result when called
613	>	*/
614	>	public void testCallable4() {
615	>	try {
616	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
617	>	public Object run() { return one; }});
618	>	assertEquals(one, c.call());
619	>	} catch(Exception ex) {
620	>	unexpectedException();
621		}
622		}
623
294	–	private static final String TEST_STRING = "a test string";
624
625	<	private static class Task implements Runnable {
626	<	public void run() { completed = true; }
627	<	public boolean isCompleted() { return completed; }
628	<	public void reset() { completed = false; }
629	<	private boolean completed = false;
625	>	/**
626	>	* callable(null Runnable) throws NPE
627	>	*/
628	>	public void testCallableNPE1() {
629	>	try {
630	>	Runnable r = null;
631	>	Callable c = Executors.callable(r);
632	>	} catch (NullPointerException success) {
633	>	}
634	>	}
635	>
636	>	/**
637	>	* callable(null, result) throws NPE
638	>	*/
639	>	public void testCallableNPE2() {
640	>	try {
641	>	Runnable r = null;
642	>	Callable c = Executors.callable(r, one);
643	>	} catch (NullPointerException success) {
644	>	}
645		}
646
647	<	private static class StringTask implements Callable<String> {
648	<	public String call() { return TEST_STRING; }
647	>	/**
648	>	* callable(null PrivilegedAction) throws NPE
649	>	*/
650	>	public void testCallableNPE3() {
651	>	try {
652	>	PrivilegedAction r = null;
653	>	Callable c = Executors.callable(r);
654	>	} catch (NullPointerException success) {
655	>	}
656		}
657
658	<	static class DirectExecutor implements Executor {
659	<	public void execute(Runnable r) {
660	<	r.run();
658	>	/**
659	>	* callable(null PrivilegedExceptionAction) throws NPE
660	>	*/
661	>	public void testCallableNPE4() {
662	>	try {
663	>	PrivilegedExceptionAction r = null;
664	>	Callable c = Executors.callable(r);
665	>	} catch (NullPointerException success) {
666		}
667		}
668

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines