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

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.5 by dl, Fri Dec 19 20:42:44 2003 UTC vs.
Revision 1.45 by jsr166, Wed Jan 4 06:09:58 2017 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.PrivilegedAction;
12	>	import java.security.PrivilegedExceptionAction;
13	>	import java.util.ArrayList;
14	>	import java.util.Collections;
15	>	import java.util.List;
16	>	import java.util.concurrent.AbstractExecutorService;
17	>	import java.util.concurrent.ArrayBlockingQueue;
18	>	import java.util.concurrent.Callable;
19	>	import java.util.concurrent.CancellationException;
20	>	import java.util.concurrent.CountDownLatch;
21	>	import java.util.concurrent.ExecutionException;
22	>	import java.util.concurrent.Executors;
23	>	import java.util.concurrent.ExecutorService;
24	>	import java.util.concurrent.Future;
25	>	import java.util.concurrent.ThreadPoolExecutor;
26	>	import java.util.concurrent.TimeUnit;
27	>	import java.util.concurrent.atomic.AtomicBoolean;
28
29	<	public class AbstractExecutorServiceTest extends JSR166TestCase{
29	>	import junit.framework.Test;
30	>	import junit.framework.TestSuite;
31	>
32	>	public class AbstractExecutorServiceTest extends JSR166TestCase {
33		public static void main(String[] args) {
34	<	junit.textui.TestRunner.run (suite());
34	>	main(suite(), args);
35		}
36		public static Test suite() {
37	<	return new TestSuite(ExecutorsTest.class);
37	>	return new TestSuite(AbstractExecutorServiceTest.class);
38		}
39
40	<	/**
40	>	/**
41		* A no-frills implementation of AbstractExecutorService, designed
42	<	* to test the submit/invoke methods only.
42	>	* to test the submit methods only.
43		*/
44		static class DirectExecutorService extends AbstractExecutorService {
45		public void execute(Runnable r) { r.run(); }
46		public void shutdown() { shutdown = true; }
47	<	public List<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; }
47	>	public List<Runnable> shutdownNow() {
48	>	shutdown = true;
49	>	return Collections.EMPTY_LIST;
50	>	}
51		public boolean isShutdown() { return shutdown; }
52		public boolean isTerminated() { return isShutdown(); }
53	<	public boolean awaitTermination(long timeout, TimeUnit unit) { return isShutdown(); }
53	>	public boolean awaitTermination(long timeout, TimeUnit unit) {
54	>	return isShutdown();
55	>	}
56		private volatile boolean shutdown = false;
57		}
58
59	<	private static final String TEST_STRING = "a test string";
60	<
61	<	private static class StringTask implements Callable<String> {
62	<	public String call() { return TEST_STRING; }
59	>	/**
60	>	* execute(runnable) runs it to completion
61	>	*/
62	>	public void testExecuteRunnable() throws Exception {
63	>	ExecutorService e = new DirectExecutorService();
64	>	final AtomicBoolean done = new AtomicBoolean(false);
65	>	Future<?> future = e.submit(new CheckedRunnable() {
66	>	public void realRun() {
67	>	done.set(true);
68	>	}});
69	>	assertNull(future.get());
70	>	assertNull(future.get(0, MILLISECONDS));
71	>	assertTrue(done.get());
72	>	assertTrue(future.isDone());
73	>	assertFalse(future.isCancelled());
74		}
75
76		/**
77	<	* execute of runnable runs it to completion
77	>	* Completed submit(callable) returns result
78		*/
79	<	public void testExecuteRunnable() {
80	<	try {
81	<	ExecutorService e = new DirectExecutorService();
82	<	TrackedShortRunnable task = new TrackedShortRunnable();
83	<	assertFalse(task.done);
51	<	Future<?> future = e.submit(task);
52	<	future.get();
53	<	assertTrue(task.done);
54	<	}
55	<	catch (ExecutionException ex) {
56	<	unexpectedException();
57	<	}
58	<	catch (InterruptedException ex) {
59	<	unexpectedException();
60	<	}
79	>	public void testSubmitCallable() throws Exception {
80	>	ExecutorService e = new DirectExecutorService();
81	>	Future<String> future = e.submit(new StringTask());
82	>	String result = future.get();
83	>	assertSame(TEST_STRING, result);
84		}
85
63	–
86		/**
87	<	* execute of a callable runs it to completion
87	>	* Completed submit(runnable) returns successfully
88		*/
89	<	public void testExecuteCallable() {
90	<	try {
91	<	ExecutorService e = new DirectExecutorService();
92	<	Future<String> future = e.submit(new StringTask());
93	<	String result = future.get();
72	<	assertSame(TEST_STRING, result);
73	<	}
74	<	catch (ExecutionException ex) {
75	<	unexpectedException();
76	<	}
77	<	catch (InterruptedException ex) {
78	<	unexpectedException();
79	<	}
89	>	public void testSubmitRunnable() throws Exception {
90	>	ExecutorService e = new DirectExecutorService();
91	>	Future<?> future = e.submit(new NoOpRunnable());
92	>	future.get();
93	>	assertTrue(future.isDone());
94		}
95
96	+	/**
97	+	* Completed submit(runnable, result) returns result
98	+	*/
99	+	public void testSubmitRunnable2() throws Exception {
100	+	ExecutorService e = new DirectExecutorService();
101	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
102	+	String result = future.get();
103	+	assertSame(TEST_STRING, result);
104	+	}
105
106		/**
107	<	* execute of a privileged action runs it to completion
107	>	* A submitted privileged action runs to completion
108		*/
109	<	public void testExecutePrivilegedAction() {
110	<	Policy savedPolicy = Policy.getPolicy();
111	<	AdjustablePolicy policy = new AdjustablePolicy();
112	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
113	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
91	<	Policy.setPolicy(policy);
92	<	try {
93	<	ExecutorService e = new DirectExecutorService();
94	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
109	>	public void testSubmitPrivilegedAction() throws Exception {
110	>	Runnable r = new CheckedRunnable() {
111	>	public void realRun() throws Exception {
112	>	ExecutorService e = new DirectExecutorService();
113	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
114		public Object run() {
115		return TEST_STRING;
116		}}));
117
118	<	Object result = future.get();
119	<	assertSame(TEST_STRING, result);
120	<	}
121	<	catch (ExecutionException ex) {
122	<	unexpectedException();
123	<	}
124	<	catch (InterruptedException ex) {
106	<	unexpectedException();
107	<	}
108	<	finally {
109	<	Policy.setPolicy(savedPolicy);
110	<	}
118	>	assertSame(TEST_STRING, future.get());
119	>	}};
120	>
121	>	runWithPermissions(r,
122	>	new RuntimePermission("getClassLoader"),
123	>	new RuntimePermission("setContextClassLoader"),
124	>	new RuntimePermission("modifyThread"));
125		}
126
127		/**
128	<	* execute of a privileged exception action runs it to completion
128	>	* A submitted privileged exception action runs to completion
129		*/
130	<	public void testExecutePrivilegedExceptionAction() {
131	<	Policy savedPolicy = Policy.getPolicy();
132	<	AdjustablePolicy policy = new AdjustablePolicy();
133	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
134	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
121	<	Policy.setPolicy(policy);
122	<	try {
123	<	ExecutorService e = new DirectExecutorService();
124	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
130	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
131	>	Runnable r = new CheckedRunnable() {
132	>	public void realRun() throws Exception {
133	>	ExecutorService e = new DirectExecutorService();
134	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
135		public Object run() {
136		return TEST_STRING;
137		}}));
138
139	<	Object result = future.get();
140	<	assertSame(TEST_STRING, result);
141	<	}
142	<	catch (ExecutionException ex) {
133	<	unexpectedException();
134	<	}
135	<	catch (InterruptedException ex) {
136	<	unexpectedException();
137	<	}
138	<	finally {
139	<	Policy.setPolicy(savedPolicy);
140	<	}
139	>	assertSame(TEST_STRING, future.get());
140	>	}};
141	>
142	>	runWithPermissions(r);
143		}
144
145		/**
146	<	* execute of a failed privileged exception action reports exception
146	>	* A submitted failed privileged exception action reports exception
147		*/
148	<	public void testExecuteFailedPrivilegedExceptionAction() {
149	<	Policy savedPolicy = Policy.getPolicy();
150	<	AdjustablePolicy policy = new AdjustablePolicy();
151	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
152	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
151	<	Policy.setPolicy(policy);
152	<	try {
153	<	ExecutorService e = new DirectExecutorService();
154	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
148	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
149	>	Runnable r = new CheckedRunnable() {
150	>	public void realRun() throws Exception {
151	>	ExecutorService e = new DirectExecutorService();
152	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
153		public Object run() throws Exception {
154		throw new IndexOutOfBoundsException();
155		}}));
156
157	<	Object result = future.get();
158	<	shouldThrow();
159	<	}
160	<	catch (ExecutionException success) {
161	<	}
162	<	catch (InterruptedException ex) {
163	<	unexpectedException();
164	<	}
167	<	finally {
168	<	Policy.setPolicy(savedPolicy);
169	<	}
157	>	try {
158	>	future.get();
159	>	shouldThrow();
160	>	} catch (ExecutionException success) {
161	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
162	>	}}};
163	>
164	>	runWithPermissions(r);
165		}
166
167		/**
168	<	* invoke of a callable runs it to completion
168	>	* execute(null runnable) throws NPE
169		*/
170	<	public void testInvokeCallable() {
170	>	public void testExecuteNullRunnable() {
171	>	ExecutorService e = new DirectExecutorService();
172		try {
173	<	ExecutorService e = new DirectExecutorService();
174	<	String result = e.invoke(new StringTask());
175	<
180	<	assertSame(TEST_STRING, result);
181	<	}
182	<	catch (ExecutionException ex) {
183	<	unexpectedException();
184	<	}
185	<	catch (InterruptedException ex) {
186	<	unexpectedException();
187	<	}
173	>	e.submit((Runnable) null);
174	>	shouldThrow();
175	>	} catch (NullPointerException success) {}
176		}
177
178		/**
179	<	* execute with a null runnable throws NPE
179	>	* submit(null callable) throws NPE
180		*/
181	<	public void testExecuteNullRunnable() {
181	>	public void testSubmitNullCallable() {
182	>	ExecutorService e = new DirectExecutorService();
183		try {
184	<	ExecutorService e = new DirectExecutorService();
196	<	TrackedShortRunnable task = null;
197	<	Future<?> future = e.submit(task);
184	>	e.submit((Callable) null);
185		shouldThrow();
186	<	}
187	<	catch (NullPointerException success) {
188	<	}
189	<	catch (Exception ex) {
190	<	unexpectedException();
186	>	} catch (NullPointerException success) {}
187	>	}
188	>
189	>	/**
190	>	* submit(callable).get() throws InterruptedException if interrupted
191	>	*/
192	>	public void testInterruptedSubmit() throws InterruptedException {
193	>	final CountDownLatch submitted    = new CountDownLatch(1);
194	>	final CountDownLatch quittingTime = new CountDownLatch(1);
195	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
196	>	public Void realCall() throws InterruptedException {
197	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
198	>	return null;
199	>	}};
200	>	final ExecutorService p
201	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
202	>	new ArrayBlockingQueue<Runnable>(10));
203	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
204	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
205	>	public void realRun() throws Exception {
206	>	Future<Void> future = p.submit(awaiter);
207	>	submitted.countDown();
208	>	future.get();
209	>	}});
210	>
211	>	await(submitted);
212	>	t.interrupt();
213	>	awaitTermination(t);
214		}
215		}
216
217	+	/**
218	+	* get of submit(callable) throws ExecutionException if callable
219	+	* throws exception
220	+	*/
221	+	public void testSubmitEE() throws InterruptedException {
222	+	final ThreadPoolExecutor p =
223	+	new ThreadPoolExecutor(1, 1,
224	+	60, TimeUnit.SECONDS,
225	+	new ArrayBlockingQueue<Runnable>(10));
226	+	try (PoolCleaner cleaner = cleaner(p)) {
227	+	Callable c = new Callable() {
228	+	public Object call() { throw new ArithmeticException(); }};
229	+	try {
230	+	p.submit(c).get();
231	+	shouldThrow();
232	+	} catch (ExecutionException success) {
233	+	assertTrue(success.getCause() instanceof ArithmeticException);
234	+	}
235	+	}
236	+	}
237
238		/**
239	<	* execute of a null callable throws NPE
239	>	* invokeAny(null) throws NPE
240		*/
241	<	public void testExecuteNullCallable() {
242	<	try {
243	<	ExecutorService e = new DirectExecutorService();
244	<	StringTask t = null;
245	<	Future<String> future = e.submit(t);
246	<	shouldThrow();
241	>	public void testInvokeAny1() throws Exception {
242	>	final ExecutorService e = new DirectExecutorService();
243	>	try (PoolCleaner cleaner = cleaner(e)) {
244	>	try {
245	>	e.invokeAny(null);
246	>	shouldThrow();
247	>	} catch (NullPointerException success) {}
248		}
249	<	catch (NullPointerException success) {
249	>	}
250	>
251	>	/**
252	>	* invokeAny(empty collection) throws IAE
253	>	*/
254	>	public void testInvokeAny2() throws Exception {
255	>	final ExecutorService e = new DirectExecutorService();
256	>	try (PoolCleaner cleaner = cleaner(e)) {
257	>	try {
258	>	e.invokeAny(new ArrayList<Callable<String>>());
259	>	shouldThrow();
260	>	} catch (IllegalArgumentException success) {}
261		}
262	<	catch (Exception ex) {
263	<	unexpectedException();
262	>	}
263	>
264	>	/**
265	>	* invokeAny(c) throws NPE if c has null elements
266	>	*/
267	>	public void testInvokeAny3() throws Exception {
268	>	final ExecutorService e = new DirectExecutorService();
269	>	try (PoolCleaner cleaner = cleaner(e)) {
270	>	List<Callable<Long>> l = new ArrayList<>();
271	>	l.add(new Callable<Long>() {
272	>	public Long call() { throw new ArithmeticException(); }});
273	>	l.add(null);
274	>	try {
275	>	e.invokeAny(l);
276	>	shouldThrow();
277	>	} catch (NullPointerException success) {}
278		}
279		}
280
281		/**
282	<	* invoke of a null callable throws NPE
282	>	* invokeAny(c) throws ExecutionException if no task in c completes
283		*/
284	<	public void testInvokeNullCallable() {
285	<	try {
286	<	ExecutorService e = new DirectExecutorService();
287	<	StringTask t = null;
288	<	String result = e.invoke(t);
289	<	shouldThrow();
284	>	public void testInvokeAny4() throws InterruptedException {
285	>	final ExecutorService e = new DirectExecutorService();
286	>	try (PoolCleaner cleaner = cleaner(e)) {
287	>	List<Callable<String>> l = new ArrayList<>();
288	>	l.add(new NPETask());
289	>	try {
290	>	e.invokeAny(l);
291	>	shouldThrow();
292	>	} catch (ExecutionException success) {
293	>	assertTrue(success.getCause() instanceof NullPointerException);
294	>	}
295		}
296	<	catch (NullPointerException success) {
296	>	}
297	>
298	>	/**
299	>	* invokeAny(c) returns result of some task in c if at least one completes
300	>	*/
301	>	public void testInvokeAny5() throws Exception {
302	>	final ExecutorService e = new DirectExecutorService();
303	>	try (PoolCleaner cleaner = cleaner(e)) {
304	>	List<Callable<String>> l = new ArrayList<>();
305	>	l.add(new StringTask());
306	>	l.add(new StringTask());
307	>	String result = e.invokeAny(l);
308	>	assertSame(TEST_STRING, result);
309		}
310	<	catch (Exception ex) {
311	<	unexpectedException();
310	>	}
311	>
312	>	/**
313	>	* invokeAll(null) throws NPE
314	>	*/
315	>	public void testInvokeAll1() throws InterruptedException {
316	>	final ExecutorService e = new DirectExecutorService();
317	>	try (PoolCleaner cleaner = cleaner(e)) {
318	>	try {
319	>	e.invokeAll(null);
320	>	shouldThrow();
321	>	} catch (NullPointerException success) {}
322		}
323		}
324
325		/**
326	<	*  execute(Executor, Runnable) throws RejectedExecutionException
244	<	*  if saturated.
326	>	* invokeAll(empty collection) returns empty collection
327		*/
328	<	public void testExecute1() {
329	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
330	<	try {
328	>	public void testInvokeAll2() throws InterruptedException {
329	>	final ExecutorService e = new DirectExecutorService();
330	>	try (PoolCleaner cleaner = cleaner(e)) {
331	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
332	>	assertTrue(r.isEmpty());
333	>	}
334	>	}
335
336	<	for(int i = 0; i < 5; ++i){
337	<	p.submit(new MediumRunnable());
338	<	}
339	<	shouldThrow();
340	<	} catch(RejectedExecutionException success){}
341	<	joinPool(p);
336	>	/**
337	>	* invokeAll(c) throws NPE if c has null elements
338	>	*/
339	>	public void testInvokeAll3() throws InterruptedException {
340	>	final ExecutorService e = new DirectExecutorService();
341	>	try (PoolCleaner cleaner = cleaner(e)) {
342	>	List<Callable<String>> l = new ArrayList<>();
343	>	l.add(new StringTask());
344	>	l.add(null);
345	>	try {
346	>	e.invokeAll(l);
347	>	shouldThrow();
348	>	} catch (NullPointerException success) {}
349	>	}
350		}
351
352		/**
353	<	*  execute(Executor, Callable)throws RejectedExecutionException
260	<	*  if saturated.
353	>	* get of returned element of invokeAll(c) throws exception on failed task
354		*/
355	<	public void testExecute2() {
356	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
357	<	try {
358	<	for(int i = 0; i < 5; ++i) {
359	<	p.submit(new SmallCallable());
355	>	public void testInvokeAll4() throws Exception {
356	>	final ExecutorService e = new DirectExecutorService();
357	>	try (PoolCleaner cleaner = cleaner(e)) {
358	>	List<Callable<String>> l = new ArrayList<>();
359	>	l.add(new NPETask());
360	>	List<Future<String>> futures = e.invokeAll(l);
361	>	assertEquals(1, futures.size());
362	>	try {
363	>	futures.get(0).get();
364	>	shouldThrow();
365	>	} catch (ExecutionException success) {
366	>	assertTrue(success.getCause() instanceof NullPointerException);
367		}
368	<	shouldThrow();
269	<	} catch(RejectedExecutionException e){}
270	<	joinPool(p);
368	>	}
369		}
370
371	+	/**
372	+	* invokeAll(c) returns results of all completed tasks in c
373	+	*/
374	+	public void testInvokeAll5() throws Exception {
375	+	final ExecutorService e = new DirectExecutorService();
376	+	try (PoolCleaner cleaner = cleaner(e)) {
377	+	List<Callable<String>> l = new ArrayList<>();
378	+	l.add(new StringTask());
379	+	l.add(new StringTask());
380	+	List<Future<String>> futures = e.invokeAll(l);
381	+	assertEquals(2, futures.size());
382	+	for (Future<String> future : futures)
383	+	assertSame(TEST_STRING, future.get());
384	+	}
385	+	}
386
387		/**
388	<	*  invoke(Executor, Callable) throws InterruptedException if
276	<	*  caller interrupted.
388	>	* timed invokeAny(null) throws NPE
389		*/
390	<	public void testInterruptedInvoke() {
391	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
392	<	Thread t = new Thread(new Runnable() {
393	<	public void run() {
394	<	try {
395	<	p.invoke(new Callable<Object>() {
396	<	public Object call() {
397	<	try {
398	<	Thread.sleep(MEDIUM_DELAY_MS);
287	<	shouldThrow();
288	<	} catch(InterruptedException e){
289	<	}
290	<	return null;
291	<	}
292	<	});
293	<	} catch(InterruptedException success){
294	<	} catch(Exception e) {
295	<	unexpectedException();
296	<	}
390	>	public void testTimedInvokeAny1() throws Exception {
391	>	final ExecutorService e = new DirectExecutorService();
392	>	try (PoolCleaner cleaner = cleaner(e)) {
393	>	try {
394	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
395	>	shouldThrow();
396	>	} catch (NullPointerException success) {}
397	>	}
398	>	}
399
400	<	}
401	<	});
402	<	try {
403	<	t.start();
404	<	Thread.sleep(SHORT_DELAY_MS);
405	<	t.interrupt();
406	<	} catch(Exception e){
407	<	unexpectedException();
400	>	/**
401	>	* timed invokeAny(null time unit) throws NPE
402	>	*/
403	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
404	>	final ExecutorService e = new DirectExecutorService();
405	>	try (PoolCleaner cleaner = cleaner(e)) {
406	>	List<Callable<String>> l = new ArrayList<>();
407	>	l.add(new StringTask());
408	>	try {
409	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
410	>	shouldThrow();
411	>	} catch (NullPointerException success) {}
412		}
307	–	joinPool(p);
413		}
414
415		/**
416	<	*  invoke(Executor, Callable) throws InterruptedException if
312	<	*  callable throws exception
416	>	* timed invokeAny(empty collection) throws IAE
417		*/
418	<	public void testInvoke5() {
419	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
418	>	public void testTimedInvokeAny2() throws Exception {
419	>	final ExecutorService e = new DirectExecutorService();
420	>	try (PoolCleaner cleaner = cleaner(e)) {
421	>	try {
422	>	e.invokeAny(new ArrayList<Callable<String>>(),
423	>	MEDIUM_DELAY_MS, MILLISECONDS);
424	>	shouldThrow();
425	>	} catch (IllegalArgumentException success) {}
426	>	}
427	>	}
428
429	<	final Callable c = new Callable() {
430	<	public Object call() {
431	<	try {
432	<	p.invoke(new SmallCallable());
433	<	shouldThrow();
434	<	} catch(InterruptedException e){}
435	<	catch(RejectedExecutionException e2){}
436	<	catch(ExecutionException e3){}
437	<	return Boolean.TRUE;
438	<	}
439	<	};
429	>	/**
430	>	* timed invokeAny(c) throws NPE if c has null elements
431	>	*/
432	>	public void testTimedInvokeAny3() throws Exception {
433	>	final ExecutorService e = new DirectExecutorService();
434	>	try (PoolCleaner cleaner = cleaner(e)) {
435	>	List<Callable<Long>> l = new ArrayList<>();
436	>	l.add(new Callable<Long>() {
437	>	public Long call() { throw new ArithmeticException(); }});
438	>	l.add(null);
439	>	try {
440	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
441	>	shouldThrow();
442	>	} catch (NullPointerException success) {}
443	>	}
444	>	}
445
446	+	/**
447	+	* timed invokeAny(c) throws ExecutionException if no task completes
448	+	*/
449	+	public void testTimedInvokeAny4() throws Exception {
450	+	final ExecutorService e = new DirectExecutorService();
451	+	try (PoolCleaner cleaner = cleaner(e)) {
452	+	long startTime = System.nanoTime();
453	+	List<Callable<String>> l = new ArrayList<>();
454	+	l.add(new NPETask());
455	+	try {
456	+	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
457	+	shouldThrow();
458	+	} catch (ExecutionException success) {
459	+	assertTrue(success.getCause() instanceof NullPointerException);
460	+	}
461	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
462	+	}
463	+	}
464
465	+	/**
466	+	* timed invokeAny(c) returns result of some task in c
467	+	*/
468	+	public void testTimedInvokeAny5() throws Exception {
469	+	final ExecutorService e = new DirectExecutorService();
470	+	try (PoolCleaner cleaner = cleaner(e)) {
471	+	long startTime = System.nanoTime();
472	+	List<Callable<String>> l = new ArrayList<>();
473	+	l.add(new StringTask());
474	+	l.add(new StringTask());
475	+	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
476	+	assertSame(TEST_STRING, result);
477	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
478	+	}
479	+	}
480
481	<	Thread t = new Thread(new Runnable() {
482	<	public void run() {
483	<	try {
484	<	c.call();
485	<	} catch(Exception e){}
486	<	}
487	<	});
488	<	try {
489	<	t.start();
490	<	Thread.sleep(SHORT_DELAY_MS);
341	<	t.interrupt();
342	<	t.join();
343	<	} catch(InterruptedException e){
344	<	unexpectedException();
481	>	/**
482	>	* timed invokeAll(null) throws NPE
483	>	*/
484	>	public void testTimedInvokeAll1() throws InterruptedException {
485	>	final ExecutorService e = new DirectExecutorService();
486	>	try (PoolCleaner cleaner = cleaner(e)) {
487	>	try {
488	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
489	>	shouldThrow();
490	>	} catch (NullPointerException success) {}
491		}
492	+	}
493
494	<	joinPool(p);
494	>	/**
495	>	* timed invokeAll(null time unit) throws NPE
496	>	*/
497	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
498	>	final ExecutorService e = new DirectExecutorService();
499	>	try (PoolCleaner cleaner = cleaner(e)) {
500	>	List<Callable<String>> l = new ArrayList<>();
501	>	l.add(new StringTask());
502	>	try {
503	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
504	>	shouldThrow();
505	>	} catch (NullPointerException success) {}
506	>	}
507		}
508
509		/**
510	<	*  invoke(Executor, Callable) will throw ExecutionException
352	<	*  if callable throws exception
510	>	* timed invokeAll(empty collection) returns empty collection
511		*/
512	<	public void testInvoke6() {
513	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
512	>	public void testTimedInvokeAll2() throws InterruptedException {
513	>	final ExecutorService e = new DirectExecutorService();
514	>	try (PoolCleaner cleaner = cleaner(e)) {
515	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
516	>	assertTrue(r.isEmpty());
517	>	}
518	>	}
519
520	<	try {
521	<	Callable c = new Callable() {
522	<	public Object call() {
523	<	int i = 5/0;
524	<	return Boolean.TRUE;
525	<	}
526	<	};
520	>	/**
521	>	* timed invokeAll(c) throws NPE if c has null elements
522	>	*/
523	>	public void testTimedInvokeAll3() throws InterruptedException {
524	>	final ExecutorService e = new DirectExecutorService();
525	>	try (PoolCleaner cleaner = cleaner(e)) {
526	>	List<Callable<String>> l = new ArrayList<>();
527	>	l.add(new StringTask());
528	>	l.add(null);
529	>	try {
530	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
531	>	shouldThrow();
532	>	} catch (NullPointerException success) {}
533	>	}
534	>	}
535
536	<	for(int i =0; i < 5; i++){
537	<	p.invoke(c);
536	>	/**
537	>	* get of returned element of invokeAll(c) throws exception on failed task
538	>	*/
539	>	public void testTimedInvokeAll4() throws Exception {
540	>	final ExecutorService e = new DirectExecutorService();
541	>	try (PoolCleaner cleaner = cleaner(e)) {
542	>	List<Callable<String>> l = new ArrayList<>();
543	>	l.add(new NPETask());
544	>	List<Future<String>> futures =
545	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
546	>	assertEquals(1, futures.size());
547	>	try {
548	>	futures.get(0).get();
549	>	shouldThrow();
550	>	} catch (ExecutionException success) {
551	>	assertTrue(success.getCause() instanceof NullPointerException);
552		}
553	+	}
554	+	}
555
556	<	shouldThrow();
556	>	/**
557	>	* timed invokeAll(c) returns results of all completed tasks in c
558	>	*/
559	>	public void testTimedInvokeAll5() throws Exception {
560	>	final ExecutorService e = new DirectExecutorService();
561	>	try (PoolCleaner cleaner = cleaner(e)) {
562	>	List<Callable<String>> l = new ArrayList<>();
563	>	l.add(new StringTask());
564	>	l.add(new StringTask());
565	>	List<Future<String>> futures =
566	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
567	>	assertEquals(2, futures.size());
568	>	for (Future<String> future : futures)
569	>	assertSame(TEST_STRING, future.get());
570		}
571	<	catch(ExecutionException success){
572	<	} catch(Exception e) {
573	<	unexpectedException();
571	>	}
572	>
573	>	/**
574	>	* timed invokeAll cancels tasks not completed by timeout
575	>	*/
576	>	public void testTimedInvokeAll6() throws Exception {
577	>	final ExecutorService e = new DirectExecutorService();
578	>	try (PoolCleaner cleaner = cleaner(e)) {
579	>	for (long timeout = timeoutMillis();;) {
580	>	List<Callable<String>> tasks = new ArrayList<>();
581	>	tasks.add(new StringTask("0"));
582	>	tasks.add(Executors.callable(possiblyInterruptedRunnable(timeout),
583	>	TEST_STRING));
584	>	tasks.add(new StringTask("2"));
585	>	long startTime = System.nanoTime();
586	>	List<Future<String>> futures =
587	>	e.invokeAll(tasks, timeout, MILLISECONDS);
588	>	assertEquals(tasks.size(), futures.size());
589	>	assertTrue(millisElapsedSince(startTime) >= timeout);
590	>	for (Future future : futures)
591	>	assertTrue(future.isDone());
592	>	try {
593	>	assertEquals("0", futures.get(0).get());
594	>	assertEquals(TEST_STRING, futures.get(1).get());
595	>	} catch (CancellationException retryWithLongerTimeout) {
596	>	// unusual delay before starting second task
597	>	timeout *= 2;
598	>	if (timeout >= LONG_DELAY_MS / 2)
599	>	fail("expected exactly one task to be cancelled");
600	>	continue;
601	>	}
602	>	assertTrue(futures.get(2).isCancelled());
603	>	break;
604	>	}
605		}
375	–	joinPool(p);
606		}
607
608		}

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