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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 1.43 by jsr166, Wed Dec 31 19:05:42 2014 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	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10
11	<	import junit.framework.*;
12	<	import java.util.*;
13	<	import java.util.concurrent.*;
14	<	import java.math.BigInteger;
15	<	import java.security.*;
11	>	import java.security.AccessControlContext;
12	>	import java.security.AccessControlException;
13	>	import java.security.AccessController;
14	>	import java.security.PrivilegedAction;
15	>	import java.security.PrivilegedExceptionAction;
16	>	import java.util.ArrayList;
17	>	import java.util.List;
18	>	import java.util.concurrent.Callable;
19	>	import java.util.concurrent.CountDownLatch;
20	>	import java.util.concurrent.Executors;
21	>	import java.util.concurrent.ExecutorService;
22	>	import java.util.concurrent.Future;
23	>	import java.util.concurrent.ScheduledExecutorService;
24	>	import java.util.concurrent.ThreadPoolExecutor;
25
26	<	public class ExecutorsTest extends JSR166TestCase{
26	>	import junit.framework.Test;
27	>	import junit.framework.TestSuite;
28	>
29	>	public class ExecutorsTest extends JSR166TestCase {
30		public static void main(String[] args) {
31	<	junit.textui.TestRunner.run (suite());
31	>	junit.textui.TestRunner.run(suite());
32		}
33		public static Test suite() {
34	<	return new TestSuite(ExecutorsTest.class);
21	<	}
22	<
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; }
34	>	return new TestSuite(ExecutorsTest.class);
35		}
36
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	–
37		/**
38		* A newCachedThreadPool can execute runnables
39		*/
#	Line 80 | Line 42 | public class ExecutorsTest extends JSR16
42		e.execute(new NoOpRunnable());
43		e.execute(new NoOpRunnable());
44		e.execute(new NoOpRunnable());
45	<	e.shutdown();
45	>	joinPool(e);
46		}
47
48		/**
#	Line 91 | Line 53 | public class ExecutorsTest extends JSR16
53		e.execute(new NoOpRunnable());
54		e.execute(new NoOpRunnable());
55		e.execute(new NoOpRunnable());
56	<	e.shutdown();
56	>	joinPool(e);
57		}
58
59		/**
#	Line 101 | Line 63 | public class ExecutorsTest extends JSR16
63		try {
64		ExecutorService e = Executors.newCachedThreadPool(null);
65		shouldThrow();
66	<	}
105	<	catch(NullPointerException success) {
106	<	}
66	>	} catch (NullPointerException success) {}
67		}
68
109	–
69		/**
70		* A new SingleThreadExecutor can execute runnables
71		*/
#	Line 115 | 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 126 | Line 85 | public class ExecutorsTest extends JSR16
85		e.execute(new NoOpRunnable());
86		e.execute(new NoOpRunnable());
87		e.execute(new NoOpRunnable());
88	<	e.shutdown();
88	>	joinPool(e);
89		}
90
91		/**
#	Line 136 | Line 95 | public class ExecutorsTest extends JSR16
95		try {
96		ExecutorService e = Executors.newSingleThreadExecutor(null);
97		shouldThrow();
98	<	}
99	<	catch(NullPointerException success) {
98	>	} catch (NullPointerException success) {}
99	>	}
100	>
101	>	/**
102	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
103	>	*/
104	>	public void testCastNewSingleThreadExecutor() {
105	>	ExecutorService e = Executors.newSingleThreadExecutor();
106	>	try {
107	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
108	>	shouldThrow();
109	>	} catch (ClassCastException success) {
110	>	} finally {
111	>	joinPool(e);
112		}
113		}
114
#	Line 149 | Line 120 | public class ExecutorsTest extends JSR16
120		e.execute(new NoOpRunnable());
121		e.execute(new NoOpRunnable());
122		e.execute(new NoOpRunnable());
123	<	e.shutdown();
123	>	joinPool(e);
124		}
125
126		/**
#	Line 160 | Line 131 | public class ExecutorsTest extends JSR16
131		e.execute(new NoOpRunnable());
132		e.execute(new NoOpRunnable());
133		e.execute(new NoOpRunnable());
134	<	e.shutdown();
134	>	joinPool(e);
135		}
136
137		/**
#	Line 170 | Line 141 | public class ExecutorsTest extends JSR16
141		try {
142		ExecutorService e = Executors.newFixedThreadPool(2, null);
143		shouldThrow();
144	<	}
174	<	catch(NullPointerException success) {
175	<	}
144	>	} catch (NullPointerException success) {}
145		}
146
147		/**
#	Line 182 | Line 151 | public class ExecutorsTest extends JSR16
151		try {
152		ExecutorService e = Executors.newFixedThreadPool(0);
153		shouldThrow();
154	<	}
186	<	catch(IllegalArgumentException success) {
187	<	}
154	>	} catch (IllegalArgumentException success) {}
155		}
156
157		/**
158	<	* execute of runnable runs it to completion
158	>	* An unconfigurable newFixedThreadPool can execute runnables
159		*/
160	<	public void testExecuteRunnable() {
161	<	try {
162	<	Executor e = new DirectExecutor();
163	<	TrackedShortRunnable task = new TrackedShortRunnable();
164	<	assertFalse(task.done);
165	<	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	<	}
160	>	public void testUnconfigurableExecutorService() {
161	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
162	>	e.execute(new NoOpRunnable());
163	>	e.execute(new NoOpRunnable());
164	>	e.execute(new NoOpRunnable());
165	>	joinPool(e);
166		}
167
168		/**
169	<	* invoke of a runnable runs it to completion
169	>	* unconfigurableExecutorService(null) throws NPE
170		*/
171	<	public void testInvokeRunnable() {
171	>	public void testUnconfigurableExecutorServiceNPE() {
172		try {
173	<	Executor e = new DirectExecutor();
174	<	TrackedShortRunnable task = new TrackedShortRunnable();
175	<	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	<	}
173	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
174	>	shouldThrow();
175	>	} catch (NullPointerException success) {}
176		}
177
178		/**
179	<	* execute of a callable runs it to completion
179	>	* unconfigurableScheduledExecutorService(null) throws NPE
180		*/
181	<	public void testExecuteCallable() {
181	>	public void testUnconfigurableScheduledExecutorServiceNPE() {
182		try {
183	<	Executor e = new DirectExecutor();
184	<	Future<String> future = Executors.execute(e, new StringTask());
185	<	String result = future.get();
238	<	assertSame(TEST_STRING, result);
239	<	}
240	<	catch (ExecutionException ex) {
241	<	unexpectedException();
242	<	}
243	<	catch (InterruptedException ex) {
244	<	unexpectedException();
245	<	}
183	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
184	>	shouldThrow();
185	>	} catch (NullPointerException success) {}
186		}
187
248	–
188		/**
189	<	* execute of a privileged action runs it to completion
189	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
190		*/
191	<	public void testExecutePrivilegedAction() {
192	<	Policy savedPolicy = Policy.getPolicy();
193	<	AdjustablePolicy policy = new AdjustablePolicy();
194	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
195	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
196	<	Policy.setPolicy(policy);
197	<	try {
198	<	Executor e = new DirectExecutor();
199	<	Future future = Executors.execute(e, new PrivilegedAction() {
200	<	public Object run() {
201	<	return TEST_STRING;
202	<	}});
203	<
204	<	Object result = future.get();
205	<	assertSame(TEST_STRING, result);
206	<	}
207	<	catch (ExecutionException ex) {
208	<	unexpectedException();
209	<	}
210	<	catch (InterruptedException ex) {
272	<	unexpectedException();
191	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
192	>	ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
193	>	try {
194	>	final CountDownLatch proceed = new CountDownLatch(1);
195	>	final Runnable task = new CheckedRunnable() {
196	>	public void realRun() {
197	>	await(proceed);
198	>	}};
199	>	long startTime = System.nanoTime();
200	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
201	>	timeoutMillis(), MILLISECONDS);
202	>	assertFalse(f.isDone());
203	>	proceed.countDown();
204	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
205	>	assertSame(Boolean.TRUE, f.get());
206	>	assertTrue(f.isDone());
207	>	assertFalse(f.isCancelled());
208	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
209	>	} finally {
210	>	joinPool(p);
211		}
274	–	finally {
275	–	Policy.setPolicy(savedPolicy);
276	–	}
212		}
213
214		/**
215	<	* execute of a privileged exception action runs it to completion
215	>	* a newScheduledThreadPool successfully runs delayed task
216		*/
217	<	public void testExecutePrivilegedExceptionAction() {
218	<	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);
217	>	public void testNewScheduledThreadPool() throws Exception {
218	>	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
219		try {
220	<	Executor e = new DirectExecutor();
221	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
222	<	public Object run() {
223	<	return TEST_STRING;
224	<	}});
225	<
226	<	Object result = future.get();
227	<	assertSame(TEST_STRING, result);
228	<	}
229	<	catch (ExecutionException ex) {
230	<	unexpectedException();
220	>	final CountDownLatch proceed = new CountDownLatch(1);
221	>	final Runnable task = new CheckedRunnable() {
222	>	public void realRun() {
223	>	await(proceed);
224	>	}};
225	>	long startTime = System.nanoTime();
226	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
227	>	timeoutMillis(), MILLISECONDS);
228	>	assertFalse(f.isDone());
229	>	proceed.countDown();
230	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
231	>	assertSame(Boolean.TRUE, f.get());
232	>	assertTrue(f.isDone());
233	>	assertFalse(f.isCancelled());
234	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
235	>	} finally {
236	>	joinPool(p);
237		}
301	–	catch (InterruptedException ex) {
302	–	unexpectedException();
303	–	}
304	–	finally {
305	–	Policy.setPolicy(savedPolicy);
306	–	}
238		}
239
240		/**
241	<	* execute of a failed privileged exception action reports exception
241	>	* an unconfigurable newScheduledThreadPool successfully runs delayed task
242		*/
243	<	public void testExecuteFailedPrivilegedExceptionAction() {
244	<	Policy savedPolicy = Policy.getPolicy();
245	<	AdjustablePolicy policy = new AdjustablePolicy();
246	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
316	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
317	<	Policy.setPolicy(policy);
243	>	public void testUnconfigurableScheduledExecutorService() throws Exception {
244	>	ScheduledExecutorService p =
245	>	Executors.unconfigurableScheduledExecutorService
246	>	(Executors.newScheduledThreadPool(2));
247		try {
248	<	Executor e = new DirectExecutor();
249	<	Future future = Executors.execute(e, new PrivilegedExceptionAction() {
250	<	public Object run() throws Exception {
251	<	throw new IndexOutOfBoundsException();
252	<	}});
253	<
254	<	Object result = future.get();
255	<	shouldThrow();
256	<	}
257	<	catch (ExecutionException success) {
258	<	}
259	<	catch (InterruptedException ex) {
260	<	unexpectedException();
248	>	final CountDownLatch proceed = new CountDownLatch(1);
249	>	final Runnable task = new CheckedRunnable() {
250	>	public void realRun() {
251	>	await(proceed);
252	>	}};
253	>	long startTime = System.nanoTime();
254	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
255	>	timeoutMillis(), MILLISECONDS);
256	>	assertFalse(f.isDone());
257	>	proceed.countDown();
258	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
259	>	assertSame(Boolean.TRUE, f.get());
260	>	assertTrue(f.isDone());
261	>	assertFalse(f.isCancelled());
262	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
263	>	} finally {
264	>	joinPool(p);
265		}
333	–	finally {
334	–	Policy.setPolicy(savedPolicy);
335	–	}
266		}
267
268		/**
269	<	* invoke of a collable runs it to completion
269	>	* Future.get on submitted tasks will time out if they compute too long.
270		*/
271	<	public void testInvokeCallable() {
272	<	try {
273	<	Executor e = new DirectExecutor();
274	<	String result = Executors.invoke(e, new StringTask());
271	>	public void testTimedCallable() throws Exception {
272	>	final ExecutorService[] executors = {
273	>	Executors.newSingleThreadExecutor(),
274	>	Executors.newCachedThreadPool(),
275	>	Executors.newFixedThreadPool(2),
276	>	Executors.newScheduledThreadPool(2),
277	>	};
278
279	<	assertSame(TEST_STRING, result);
280	<	}
281	<	catch (ExecutionException ex) {
282	<	unexpectedException();
283	<	}
284	<	catch (InterruptedException ex) {
285	<	unexpectedException();
279	>	final Runnable sleeper = new CheckedInterruptedRunnable() {
280	>	public void realRun() throws InterruptedException {
281	>	delay(LONG_DELAY_MS);
282	>	}};
283	>
284	>	List<Thread> threads = new ArrayList<Thread>();
285	>	for (final ExecutorService executor : executors) {
286	>	threads.add(newStartedThread(new CheckedRunnable() {
287	>	public void realRun() {
288	>	long startTime = System.nanoTime();
289	>	Future future = executor.submit(sleeper);
290	>	assertFutureTimesOut(future);
291	>	}}));
292		}
293	+	for (Thread thread : threads)
294	+	awaitTermination(thread);
295	+	for (ExecutorService executor : executors)
296	+	joinPool(executor);
297		}
298
299		/**
300	<	* execute with null executor throws NPE
300	>	* ThreadPoolExecutor using defaultThreadFactory has
301	>	* specified group, priority, daemon status, and name
302		*/
303	<	public void testNullExecuteRunnable() {
303	>	public void testDefaultThreadFactory() throws Exception {
304	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
305	>	final CountDownLatch done = new CountDownLatch(1);
306	>	Runnable r = new CheckedRunnable() {
307	>	public void realRun() {
308	>	try {
309	>	Thread current = Thread.currentThread();
310	>	assertTrue(!current.isDaemon());
311	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
312	>	ThreadGroup g = current.getThreadGroup();
313	>	SecurityManager s = System.getSecurityManager();
314	>	if (s != null)
315	>	assertTrue(g == s.getThreadGroup());
316	>	else
317	>	assertTrue(g == egroup);
318	>	String name = current.getName();
319	>	assertTrue(name.endsWith("thread-1"));
320	>	} catch (SecurityException ok) {
321	>	// Also pass if not allowed to change setting
322	>	}
323	>	done.countDown();
324	>	}};
325	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
326	>
327	>	e.execute(r);
328	>	await(done);
329	>
330		try {
331	<	TrackedShortRunnable task = new TrackedShortRunnable();
332	<	assertFalse(task.done);
363	<	Future<String> future = Executors.execute(null, task, TEST_STRING);
364	<	shouldThrow();
365	<	}
366	<	catch (NullPointerException success) {
367	<	}
368	<	catch (Exception ex) {
369	<	unexpectedException();
331	>	e.shutdown();
332	>	} catch (SecurityException ok) {
333		}
334	+
335	+	joinPool(e);
336		}
337
338		/**
339	<	* execute with a null runnable throws NPE
339	>	* ThreadPoolExecutor using privilegedThreadFactory has
340	>	* specified group, priority, daemon status, name,
341	>	* access control context and context class loader
342		*/
343	<	public void testExecuteNullRunnable() {
344	<	try {
345	<	Executor e = new DirectExecutor();
346	<	TrackedShortRunnable task = null;
347	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
348	<	shouldThrow();
343	>	public void testPrivilegedThreadFactory() throws Exception {
344	>	final CountDownLatch done = new CountDownLatch(1);
345	>	Runnable r = new CheckedRunnable() {
346	>	public void realRun() throws Exception {
347	>	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
348	>	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
349	>	final AccessControlContext thisacc = AccessController.getContext();
350	>	Runnable r = new CheckedRunnable() {
351	>	public void realRun() {
352	>	Thread current = Thread.currentThread();
353	>	assertTrue(!current.isDaemon());
354	>	assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
355	>	ThreadGroup g = current.getThreadGroup();
356	>	SecurityManager s = System.getSecurityManager();
357	>	if (s != null)
358	>	assertTrue(g == s.getThreadGroup());
359	>	else
360	>	assertTrue(g == egroup);
361	>	String name = current.getName();
362	>	assertTrue(name.endsWith("thread-1"));
363	>	assertSame(thisccl, current.getContextClassLoader());
364	>	assertEquals(thisacc, AccessController.getContext());
365	>	done.countDown();
366	>	}};
367	>	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
368	>	e.execute(r);
369	>	await(done);
370	>	e.shutdown();
371	>	joinPool(e);
372	>	}};
373	>
374	>	runWithPermissions(r,
375	>	new RuntimePermission("getClassLoader"),
376	>	new RuntimePermission("setContextClassLoader"),
377	>	new RuntimePermission("modifyThread"));
378	>	}
379	>
380	>	boolean haveCCLPermissions() {
381	>	SecurityManager sm = System.getSecurityManager();
382	>	if (sm != null) {
383	>	try {
384	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
385	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
386	>	} catch (AccessControlException e) {
387	>	return false;
388	>	}
389		}
390	<	catch (NullPointerException success) {
390	>	return true;
391	>	}
392	>
393	>	void checkCCL() {
394	>	SecurityManager sm = System.getSecurityManager();
395	>	if (sm != null) {
396	>	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
397	>	sm.checkPermission(new RuntimePermission("getClassLoader"));
398		}
399	<	catch (Exception ex) {
400	<	unexpectedException();
399	>	}
400	>
401	>	class CheckCCL implements Callable<Object> {
402	>	public Object call() {
403	>	checkCCL();
404	>	return null;
405		}
406		}
407
408		/**
409	<	* invoke of a null runnable throws NPE
409	>	* Without class loader permissions, creating
410	>	* privilegedCallableUsingCurrentClassLoader throws ACE
411		*/
412	<	public void testInvokeNullRunnable() {
413	<	try {
414	<	Executor e = new DirectExecutor();
415	<	TrackedShortRunnable task = null;
416	<	Executors.invoke(e, task);
417	<	shouldThrow();
418	<	}
419	<	catch (NullPointerException success) {
420	<	}
421	<	catch (Exception ex) {
422	<	unexpectedException();
423	<	}
412	>	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
413	>	Runnable r = new CheckedRunnable() {
414	>	public void realRun() throws Exception {
415	>	if (System.getSecurityManager() == null)
416	>	return;
417	>	try {
418	>	Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
419	>	shouldThrow();
420	>	} catch (AccessControlException success) {}
421	>	}};
422	>
423	>	runWithoutPermissions(r);
424		}
425
426		/**
427	<	* execute of a null callable throws NPE
427	>	* With class loader permissions, calling
428	>	* privilegedCallableUsingCurrentClassLoader does not throw ACE
429		*/
430	<	public void testExecuteNullCallable() {
431	<	try {
432	<	Executor e = new DirectExecutor();
433	<	StringTask t = null;
434	<	Future<String> future = Executors.execute(e, t);
435	<	shouldThrow();
436	<	}
437	<	catch (NullPointerException success) {
438	<	}
439	<	catch (Exception ex) {
440	<	unexpectedException();
421	<	}
430	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
431	>	Runnable r = new CheckedRunnable() {
432	>	public void realRun() throws Exception {
433	>	Executors.privilegedCallableUsingCurrentClassLoader
434	>	(new NoOpCallable())
435	>	.call();
436	>	}};
437	>
438	>	runWithPermissions(r,
439	>	new RuntimePermission("getClassLoader"),
440	>	new RuntimePermission("setContextClassLoader"));
441		}
442
443		/**
444	<	* invoke of a null callable throws NPE
444	>	* Without permissions, calling privilegedCallable throws ACE
445		*/
446	<	public void testInvokeNullCallable() {
447	<	try {
448	<	Executor e = new DirectExecutor();
449	<	StringTask t = null;
450	<	String result = Executors.invoke(e, t);
451	<	shouldThrow();
452	<	}
453	<	catch (NullPointerException success) {
454	<	}
455	<	catch (Exception ex) {
456	<	unexpectedException();
457	<	}
446	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
447	>	// Avoid classloader-related SecurityExceptions in swingui.TestRunner
448	>	Executors.privilegedCallable(new CheckCCL());
449	>
450	>	Runnable r = new CheckedRunnable() {
451	>	public void realRun() throws Exception {
452	>	if (System.getSecurityManager() == null)
453	>	return;
454	>	Callable task = Executors.privilegedCallable(new CheckCCL());
455	>	try {
456	>	task.call();
457	>	shouldThrow();
458	>	} catch (AccessControlException success) {}
459	>	}};
460	>
461	>	runWithoutPermissions(r);
462	>
463	>	// It seems rather difficult to test that the
464	>	// AccessControlContext of the privilegedCallable is used
465	>	// instead of its caller.  Below is a failed attempt to do
466	>	// that, which does not work because the AccessController
467	>	// cannot capture the internal state of the current Policy.
468	>	// It would be much more work to differentiate based on,
469	>	// e.g. CodeSource.
470	>
471	>	//         final AccessControlContext[] noprivAcc = new AccessControlContext[1];
472	>	//         final Callable[] task = new Callable[1];
473	>
474	>	//         runWithPermissions
475	>	//             (new CheckedRunnable() {
476	>	//                 public void realRun() {
477	>	//                     if (System.getSecurityManager() == null)
478	>	//                         return;
479	>	//                     noprivAcc[0] = AccessController.getContext();
480	>	//                     task[0] = Executors.privilegedCallable(new CheckCCL());
481	>	//                     try {
482	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
483	>	//                                                           public Void run() {
484	>	//                                                               checkCCL();
485	>	//                                                               return null;
486	>	//                                                           }}, noprivAcc[0]);
487	>	//                         shouldThrow();
488	>	//                     } catch (AccessControlException success) {}
489	>	//                 }});
490	>
491	>	//         runWithPermissions
492	>	//             (new CheckedRunnable() {
493	>	//                 public void realRun() throws Exception {
494	>	//                     if (System.getSecurityManager() == null)
495	>	//                         return;
496	>	//                     // Verify that we have an underprivileged ACC
497	>	//                     try {
498	>	//                         AccessController.doPrivileged(new PrivilegedAction<Void>() {
499	>	//                                                           public Void run() {
500	>	//                                                               checkCCL();
501	>	//                                                               return null;
502	>	//                                                           }}, noprivAcc[0]);
503	>	//                         shouldThrow();
504	>	//                     } catch (AccessControlException success) {}
505	>
506	>	//                     try {
507	>	//                         task[0].call();
508	>	//                         shouldThrow();
509	>	//                     } catch (AccessControlException success) {}
510	>	//                 }},
511	>	//              new RuntimePermission("getClassLoader"),
512	>	//              new RuntimePermission("setContextClassLoader"));
513		}
514
515		/**
516	<	*  execute(Executor, Runnable) throws RejectedExecutionException
443	<	*  if saturated.
516	>	* With permissions, calling privilegedCallable succeeds
517		*/
518	<	public void testExecute1() {
519	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
520	<	try {
521	<
522	<	for(int i = 0; i < 5; ++i){
523	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
524	<	}
525	<	shouldThrow();
526	<	} catch(RejectedExecutionException success){}
454	<	joinPool(p);
518	>	public void testPrivilegedCallableWithPrivs() throws Exception {
519	>	Runnable r = new CheckedRunnable() {
520	>	public void realRun() throws Exception {
521	>	Executors.privilegedCallable(new CheckCCL()).call();
522	>	}};
523	>
524	>	runWithPermissions(r,
525	>	new RuntimePermission("getClassLoader"),
526	>	new RuntimePermission("setContextClassLoader"));
527		}
528
529		/**
530	<	*  execute(Executor, Callable)throws RejectedExecutionException
459	<	*  if saturated.
530	>	* callable(Runnable) returns null when called
531		*/
532	<	public void testExecute2() {
533	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
534	<	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);
532	>	public void testCallable1() throws Exception {
533	>	Callable c = Executors.callable(new NoOpRunnable());
534	>	assertNull(c.call());
535		}
536
472	–
537		/**
538	<	*  invoke(Executor, Runnable) throws InterruptedException if
475	<	*  caller interrupted.
538	>	* callable(Runnable, result) returns result when called
539		*/
540	<	public void testInterruptedInvoke() {
541	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
542	<	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);
540	>	public void testCallable2() throws Exception {
541	>	Callable c = Executors.callable(new NoOpRunnable(), one);
542	>	assertSame(one, c.call());
543		}
544
545		/**
546	<	*  invoke(Executor, Runnable) throws ExecutionException if
510	<	*  runnable throws exception.
546	>	* callable(PrivilegedAction) returns its result when called
547		*/
548	<	public void testInvoke3() {
549	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
550	<	try {
551	<	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);
548	>	public void testCallable3() throws Exception {
549	>	Callable c = Executors.callable(new PrivilegedAction() {
550	>	public Object run() { return one; }});
551	>	assertSame(one, c.call());
552		}
553
533	–
534	–
554		/**
555	<	*  invoke(Executor, Callable) throws InterruptedException if
537	<	*  callable throws exception
555	>	* callable(PrivilegedExceptionAction) returns its result when called
556		*/
557	<	public void testInvoke5() {
558	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
559	<
560	<	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);
557	>	public void testCallable4() throws Exception {
558	>	Callable c = Executors.callable(new PrivilegedExceptionAction() {
559	>	public Object run() { return one; }});
560	>	assertSame(one, c.call());
561		}
562
563		/**
564	<	*  invoke(Executor, Callable) will throw ExecutionException
577	<	*  if callable throws exception
564	>	* callable(null Runnable) throws NPE
565		*/
566	<	public void testInvoke6() {
580	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
581	<
566	>	public void testCallableNPE1() {
567		try {
568	<	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	<
568	>	Callable c = Executors.callable((Runnable) null);
569		shouldThrow();
570	<	}
596	<	catch(ExecutionException success){
597	<	} catch(Exception e) {
598	<	unexpectedException();
599	<	}
600	<	joinPool(p);
570	>	} catch (NullPointerException success) {}
571		}
572
603	–
604	–
573		/**
574	<	*  timeouts from execute will time out if they compute too long.
574	>	* callable(null, result) throws NPE
575		*/
576	<	public void testTimedCallable() {
609	<	int N = 10000;
610	<	ExecutorService executor = Executors.newSingleThreadExecutor();
611	<	List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
576	>	public void testCallableNPE2() {
577		try {
578	<	long startTime = System.currentTimeMillis();
579	<
580	<	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	<	}
578	>	Callable c = Executors.callable((Runnable) null, one);
579	>	shouldThrow();
580	>	} catch (NullPointerException success) {}
581		}
582
645	–
583		/**
584	<	* ThreadPoolExecutor using defaultThreadFactory has
648	<	* specified group, priority, daemon status, and name
584	>	* callable(null PrivilegedAction) throws NPE
585		*/
586	<	public void testDefaultThreadFactory() {
587	<	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
588	<	Runnable r = new Runnable() {
589	<	public void run() {
590	<	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	<	}
586	>	public void testCallableNPE3() {
587	>	try {
588	>	Callable c = Executors.callable((PrivilegedAction) null);
589	>	shouldThrow();
590	>	} catch (NullPointerException success) {}
591		}
592
593		/**
594	<	* ThreadPoolExecutor using privilegedThreadFactory has
682	<	* specified group, priority, daemon status, name,
683	<	* access control context and context class loader
594	>	* callable(null PrivilegedExceptionAction) throws NPE
595		*/
596	<	public void testPrivilegedThreadFactory() {
597	<	Policy savedPolicy = Policy.getPolicy();
598	<	AdjustablePolicy policy = new AdjustablePolicy();
599	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
600	<	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	<
596	>	public void testCallableNPE4() {
597	>	try {
598	>	Callable c = Executors.callable((PrivilegedExceptionAction) null);
599	>	shouldThrow();
600	>	} catch (NullPointerException success) {}
601		}
602
603		}

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