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

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.1 by tim, Wed Dec 10 01:51:12 2003 UTC vs.
Revision 1.49 by dl, Tue Jan 26 13:33:05 2021 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.Collection;
15	>	import java.util.Collections;
16	>	import java.util.List;
17	>	import java.util.concurrent.AbstractExecutorService;
18	>	import java.util.concurrent.ArrayBlockingQueue;
19	>	import java.util.concurrent.Callable;
20	>	import java.util.concurrent.CancellationException;
21	>	import java.util.concurrent.CountDownLatch;
22	>	import java.util.concurrent.ExecutionException;
23	>	import java.util.concurrent.Executors;
24	>	import java.util.concurrent.ExecutorService;
25	>	import java.util.concurrent.Future;
26	>	import java.util.concurrent.ThreadPoolExecutor;
27	>	import java.util.concurrent.TimeUnit;
28	>	import java.util.concurrent.atomic.AtomicBoolean;
29
30	<	public class AbstractExecutorServiceTest extends JSR166TestCase{
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32	>
33	>	public class AbstractExecutorServiceTest extends JSR166TestCase {
34		public static void main(String[] args) {
35	<	junit.textui.TestRunner.run (suite());
35	>	main(suite(), args);
36		}
37		public static Test suite() {
38	<	return new TestSuite(ExecutorsTest.class);
38	>	return new TestSuite(AbstractExecutorServiceTest.class);
39		}
40
41	<	/**
41	>	/**
42		* A no-frills implementation of AbstractExecutorService, designed
43	<	* to test the submit/invoke methods only.
43	>	* to test the submit methods only.
44		*/
45		static class DirectExecutorService extends AbstractExecutorService {
46		public void execute(Runnable r) { r.run(); }
47		public void shutdown() { shutdown = true; }
48	<	public List shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; }
48	>	public List<Runnable> shutdownNow() {
49	>	shutdown = true;
50	>	return Collections.emptyList();
51	>	}
52		public boolean isShutdown() { return shutdown; }
53		public boolean isTerminated() { return isShutdown(); }
54	<	public boolean awaitTermination(long timeout, TimeUnit unit) { return isShutdown(); }
54	>	public boolean awaitTermination(long timeout, TimeUnit unit) {
55	>	return isShutdown();
56	>	}
57		private volatile boolean shutdown = false;
58		}
59
60	<	private static final String TEST_STRING = "a test string";
61	<
62	<	private static class StringTask implements Callable<String> {
63	<	public String call() { return TEST_STRING; }
60	>	/**
61	>	* execute(runnable) runs it to completion
62	>	*/
63	>	public void testExecuteRunnable() throws Exception {
64	>	ExecutorService e = new DirectExecutorService();
65	>	final AtomicBoolean done = new AtomicBoolean(false);
66	>	Future<?> future = e.submit(new CheckedRunnable() {
67	>	public void realRun() {
68	>	done.set(true);
69	>	}});
70	>	assertNull(future.get());
71	>	assertNull(future.get(0, MILLISECONDS));
72	>	assertTrue(done.get());
73	>	assertTrue(future.isDone());
74	>	assertFalse(future.isCancelled());
75		}
76
77		/**
78	<	* execute of runnable runs it to completion
78	>	* Completed submit(callable) returns result
79		*/
80	<	public void testExecuteRunnable() {
81	<	try {
82	<	ExecutorService e = new DirectExecutorService();
83	<	TrackedShortRunnable task = new TrackedShortRunnable();
84	<	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	<	}
80	>	public void testSubmitCallable() throws Exception {
81	>	ExecutorService e = new DirectExecutorService();
82	>	Future<String> future = e.submit(new StringTask());
83	>	String result = future.get();
84	>	assertSame(TEST_STRING, result);
85		}
86
87		/**
88	<	* invoke of a runnable runs it to completion
88	>	* Completed submit(runnable) returns successfully
89		*/
90	<	public void testInvokeRunnable() {
91	<	try {
92	<	ExecutorService e = new DirectExecutorService();
93	<	TrackedShortRunnable task = new TrackedShortRunnable();
94	<	assertFalse(task.done);
71	<	e.invoke(task);
72	<	assertTrue(task.done);
73	<	}
74	<	catch (ExecutionException ex) {
75	<	unexpectedException();
76	<	}
77	<	catch (InterruptedException ex) {
78	<	unexpectedException();
79	<	}
90	>	public void testSubmitRunnable() throws Exception {
91	>	ExecutorService e = new DirectExecutorService();
92	>	Future<?> future = e.submit(new NoOpRunnable());
93	>	future.get();
94	>	assertTrue(future.isDone());
95		}
96
97		/**
98	<	* execute of a callable runs it to completion
98	>	* Completed submit(runnable, result) returns result
99		*/
100	<	public void testExecuteCallable() {
101	<	try {
102	<	ExecutorService e = new DirectExecutorService();
103	<	Future<String> future = e.submit(new StringTask());
104	<	String result = future.get();
90	<	assertSame(TEST_STRING, result);
91	<	}
92	<	catch (ExecutionException ex) {
93	<	unexpectedException();
94	<	}
95	<	catch (InterruptedException ex) {
96	<	unexpectedException();
97	<	}
100	>	public void testSubmitRunnable2() throws Exception {
101	>	ExecutorService e = new DirectExecutorService();
102	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
103	>	String result = future.get();
104	>	assertSame(TEST_STRING, result);
105		}
106
100	–
107		/**
108	<	* execute of a privileged action runs it to completion
108	>	* A submitted privileged action runs to completion
109		*/
110	<	public void testExecutePrivilegedAction() {
111	<	Policy savedPolicy = Policy.getPolicy();
112	<	AdjustablePolicy policy = new AdjustablePolicy();
113	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
114	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
109	<	Policy.setPolicy(policy);
110	<	try {
111	<	ExecutorService e = new DirectExecutorService();
112	<	Future future = e.submit(new PrivilegedAction() {
110	>	public void testSubmitPrivilegedAction() throws Exception {
111	>	Runnable r = new CheckedRunnable() {
112	>	public void realRun() throws Exception {
113	>	ExecutorService e = new DirectExecutorService();
114	>	Future<?> future = e.submit(Executors.callable(new PrivilegedAction<Object>() {
115		public Object run() {
116		return TEST_STRING;
117	<	}});
117	>	}}));
118
119	<	Object result = future.get();
120	<	assertSame(TEST_STRING, result);
121	<	}
122	<	catch (ExecutionException ex) {
123	<	unexpectedException();
124	<	}
125	<	catch (InterruptedException ex) {
124	<	unexpectedException();
125	<	}
126	<	finally {
127	<	Policy.setPolicy(savedPolicy);
128	<	}
119	>	assertSame(TEST_STRING, future.get());
120	>	}};
121	>
122	>	runWithPermissions(r,
123	>	new RuntimePermission("getClassLoader"),
124	>	new RuntimePermission("setContextClassLoader"),
125	>	new RuntimePermission("modifyThread"));
126		}
127
128		/**
129	<	* execute of a privileged exception action runs it to completion
129	>	* A submitted privileged exception action runs to completion
130		*/
131	<	public void testExecutePrivilegedExceptionAction() {
132	<	Policy savedPolicy = Policy.getPolicy();
133	<	AdjustablePolicy policy = new AdjustablePolicy();
134	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
135	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
139	<	Policy.setPolicy(policy);
140	<	try {
141	<	ExecutorService e = new DirectExecutorService();
142	<	Future future = e.submit(new PrivilegedExceptionAction() {
131	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
132	>	Runnable r = new CheckedRunnable() {
133	>	public void realRun() throws Exception {
134	>	ExecutorService e = new DirectExecutorService();
135	>	Future<?> future = e.submit(Executors.callable(new PrivilegedExceptionAction<Object>() {
136		public Object run() {
137		return TEST_STRING;
138	<	}});
138	>	}}));
139
140	<	Object result = future.get();
141	<	assertSame(TEST_STRING, result);
142	<	}
143	<	catch (ExecutionException ex) {
151	<	unexpectedException();
152	<	}
153	<	catch (InterruptedException ex) {
154	<	unexpectedException();
155	<	}
156	<	finally {
157	<	Policy.setPolicy(savedPolicy);
158	<	}
140	>	assertSame(TEST_STRING, future.get());
141	>	}};
142	>
143	>	runWithPermissions(r);
144		}
145
146		/**
147	<	* execute of a failed privileged exception action reports exception
147	>	* A submitted failed privileged exception action reports exception
148		*/
149	<	public void testExecuteFailedPrivilegedExceptionAction() {
150	<	Policy savedPolicy = Policy.getPolicy();
151	<	AdjustablePolicy policy = new AdjustablePolicy();
152	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
153	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
169	<	Policy.setPolicy(policy);
170	<	try {
171	<	ExecutorService e = new DirectExecutorService();
172	<	Future future = e.submit(new PrivilegedExceptionAction() {
149	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
150	>	Runnable r = new CheckedRunnable() {
151	>	public void realRun() throws Exception {
152	>	ExecutorService e = new DirectExecutorService();
153	>	Future<?> future = e.submit(Executors.callable(new PrivilegedExceptionAction<Object>() {
154		public Object run() throws Exception {
155		throw new IndexOutOfBoundsException();
156	<	}});
156	>	}}));
157
158	<	Object result = future.get();
159	<	shouldThrow();
160	<	}
161	<	catch (ExecutionException success) {
162	<	}
163	<	catch (InterruptedException ex) {
164	<	unexpectedException();
165	<	}
166	<	finally {
167	<	Policy.setPolicy(savedPolicy);
158	>	try {
159	>	future.get();
160	>	shouldThrow();
161	>	} catch (ExecutionException success) {
162	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
163	>	}}};
164	>
165	>	runWithPermissions(r);
166	>	}
167	>
168	>	/**
169	>	* Submitting null tasks throws NullPointerException
170	>	*/
171	>	public void testNullTaskSubmission() {
172	>	final ExecutorService e = new DirectExecutorService();
173	>	try (PoolCleaner cleaner = cleaner(e)) {
174	>	assertNullTaskSubmissionThrowsNullPointerException(e);
175		}
176		}
177
178		/**
179	<	* invoke of a collable runs it to completion
179	>	* submit(callable).get() throws InterruptedException if interrupted
180		*/
181	<	public void testInvokeCallable() {
182	<	try {
183	<	ExecutorService e = new DirectExecutorService();
184	<	String result = e.invoke(new StringTask());
181	>	public void testInterruptedSubmit() throws InterruptedException {
182	>	final CountDownLatch submitted    = new CountDownLatch(1);
183	>	final CountDownLatch quittingTime = new CountDownLatch(1);
184	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
185	>	public Void realCall() throws InterruptedException {
186	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
187	>	return null;
188	>	}};
189	>	final ExecutorService p
190	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
191	>	new ArrayBlockingQueue<Runnable>(10));
192	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
193	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
194	>	public void realRun() throws Exception {
195	>	Future<Void> future = p.submit(awaiter);
196	>	submitted.countDown();
197	>	future.get();
198	>	}});
199
200	<	assertSame(TEST_STRING, result);
201	<	}
202	<	catch (ExecutionException ex) {
201	<	unexpectedException();
202	<	}
203	<	catch (InterruptedException ex) {
204	<	unexpectedException();
200	>	await(submitted);
201	>	t.interrupt();
202	>	awaitTermination(t);
203		}
204		}
205
206		/**
207	<	* execute with a null runnable throws NPE
207	>	* get of submit(callable) throws ExecutionException if callable
208	>	* throws exception
209		*/
210	<	public void testExecuteNullRunnable() {
211	<	try {
212	<	ExecutorService e = new DirectExecutorService();
213	<	TrackedShortRunnable task = null;
214	<	Future<?> future = e.submit(task);
215	<	shouldThrow();
216	<	}
217	<	catch (NullPointerException success) {
218	<	}
219	<	catch (Exception ex) {
220	<	unexpectedException();
210	>	public void testSubmitEE() throws InterruptedException {
211	>	final ThreadPoolExecutor p =
212	>	new ThreadPoolExecutor(1, 1,
213	>	60, TimeUnit.SECONDS,
214	>	new ArrayBlockingQueue<Runnable>(10));
215	>	try (PoolCleaner cleaner = cleaner(p)) {
216	>	Callable<Object> c = new Callable<Object>() {
217	>	public Object call() { throw new ArithmeticException(); }};
218	>	try {
219	>	p.submit(c).get();
220	>	shouldThrow();
221	>	} catch (ExecutionException success) {
222	>	assertTrue(success.getCause() instanceof ArithmeticException);
223	>	}
224		}
225		}
226
227		/**
228	<	* invoke of a null runnable throws NPE
228	>	* invokeAny(null) throws NPE
229		*/
230	<	public void testInvokeNullRunnable() {
231	<	try {
232	<	ExecutorService e = new DirectExecutorService();
233	<	TrackedShortRunnable task = null;
234	<	e.invoke(task);
235	<	shouldThrow();
236	<	}
235	<	catch (NullPointerException success) {
236	<	}
237	<	catch (Exception ex) {
238	<	unexpectedException();
230	>	public void testInvokeAny1() throws Exception {
231	>	final ExecutorService e = new DirectExecutorService();
232	>	try (PoolCleaner cleaner = cleaner(e)) {
233	>	try {
234	>	e.invokeAny(null);
235	>	shouldThrow();
236	>	} catch (NullPointerException success) {}
237		}
238		}
239
240		/**
241	<	* execute of a null callable throws NPE
241	>	* invokeAny(empty collection) throws IllegalArgumentException
242		*/
243	<	public void testExecuteNullCallable() {
244	<	try {
245	<	ExecutorService e = new DirectExecutorService();
246	<	StringTask t = null;
247	<	Future<String> future = e.submit(t);
248	<	shouldThrow();
249	<	}
250	<	catch (NullPointerException success) {
251	<	}
254	<	catch (Exception ex) {
255	<	unexpectedException();
243	>	public void testInvokeAny2() throws Exception {
244	>	final ExecutorService e = new DirectExecutorService();
245	>	final Collection<Callable<String>> emptyCollection
246	>	= Collections.emptyList();
247	>	try (PoolCleaner cleaner = cleaner(e)) {
248	>	try {
249	>	e.invokeAny(emptyCollection);
250	>	shouldThrow();
251	>	} catch (IllegalArgumentException success) {}
252		}
253		}
254
255		/**
256	<	* invoke of a null callable throws NPE
256	>	* invokeAny(c) throws NPE if c has null elements
257		*/
258	<	public void testInvokeNullCallable() {
259	<	try {
260	<	ExecutorService e = new DirectExecutorService();
261	<	StringTask t = null;
262	<	String result = e.invoke(t);
263	<	shouldThrow();
264	<	}
265	<	catch (NullPointerException success) {
266	<	}
267	<	catch (Exception ex) {
268	<	unexpectedException();
258	>	public void testInvokeAny3() throws Exception {
259	>	final ExecutorService e = new DirectExecutorService();
260	>	try (PoolCleaner cleaner = cleaner(e)) {
261	>	List<Callable<Long>> l = new ArrayList<>();
262	>	l.add(new Callable<Long>() {
263	>	public Long call() { throw new ArithmeticException(); }});
264	>	l.add(null);
265	>	try {
266	>	e.invokeAny(l);
267	>	shouldThrow();
268	>	} catch (NullPointerException success) {}
269		}
270		}
271
272		/**
273	<	*  execute(Executor, Runnable) throws RejectedExecutionException
278	<	*  if saturated.
273	>	* invokeAny(c) throws ExecutionException if no task in c completes
274		*/
275	<	public void testExecute1() {
276	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
277	<	try {
278	<
279	<	for(int i = 0; i < 5; ++i){
280	<	p.submit(new MediumRunnable());
275	>	public void testInvokeAny4() throws InterruptedException {
276	>	final ExecutorService e = new DirectExecutorService();
277	>	try (PoolCleaner cleaner = cleaner(e)) {
278	>	List<Callable<String>> l = new ArrayList<>();
279	>	l.add(new NPETask());
280	>	try {
281	>	e.invokeAny(l);
282	>	shouldThrow();
283	>	} catch (ExecutionException success) {
284	>	assertTrue(success.getCause() instanceof NullPointerException);
285		}
286	<	shouldThrow();
288	<	} catch(RejectedExecutionException success){}
289	<	joinPool(p);
286	>	}
287		}
288
289		/**
290	<	*  execute(Executor, Callable)throws RejectedExecutionException
294	<	*  if saturated.
290	>	* invokeAny(c) returns result of some task in c if at least one completes
291		*/
292	<	public void testExecute2() {
293	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
294	<	try {
295	<	for(int i = 0; i < 5; ++i) {
296	<	p.submit(new SmallCallable());
297	<	}
298	<	shouldThrow();
299	<	} catch(RejectedExecutionException e){}
300	<	joinPool(p);
292	>	public void testInvokeAny5() throws Exception {
293	>	final ExecutorService e = new DirectExecutorService();
294	>	try (PoolCleaner cleaner = cleaner(e)) {
295	>	List<Callable<String>> l = new ArrayList<>();
296	>	l.add(new StringTask());
297	>	l.add(new StringTask());
298	>	String result = e.invokeAny(l);
299	>	assertSame(TEST_STRING, result);
300	>	}
301		}
302
307	–
303		/**
304	<	*  invoke(Executor, Runnable) throws InterruptedException if
305	<	*  caller interrupted.
306	<	*/
307	<	public void testInterruptedInvoke() {
308	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
309	<	Thread t = new Thread(new Runnable() {
310	<	public void run() {
311	<	try {
312	<	p.invoke(new Runnable() {
313	<	public void run() {
314	<	try {
320	<	Thread.sleep(MEDIUM_DELAY_MS);
321	<	shouldThrow();
322	<	} catch(InterruptedException e){
323	<	}
324	<	}
325	<	});
326	<	} catch(InterruptedException success){
327	<	} catch(Exception e) {
328	<	unexpectedException();
329	<	}
304	>	* invokeAll(null) throws NPE
305	>	*/
306	>	public void testInvokeAll1() throws InterruptedException {
307	>	final ExecutorService e = new DirectExecutorService();
308	>	try (PoolCleaner cleaner = cleaner(e)) {
309	>	try {
310	>	e.invokeAll(null);
311	>	shouldThrow();
312	>	} catch (NullPointerException success) {}
313	>	}
314	>	}
315
316	<	}
317	<	});
318	<	try {
319	<	t.start();
320	<	Thread.sleep(SHORT_DELAY_MS);
321	<	t.interrupt();
322	<	} catch(Exception e){
323	<	unexpectedException();
316	>	/**
317	>	* invokeAll(empty collection) returns empty list
318	>	*/
319	>	public void testInvokeAll2() throws InterruptedException {
320	>	final ExecutorService e = new DirectExecutorService();
321	>	final Collection<Callable<String>> emptyCollection
322	>	= Collections.emptyList();
323	>	try (PoolCleaner cleaner = cleaner(e)) {
324	>	List<Future<String>> r = e.invokeAll(emptyCollection);
325	>	assertTrue(r.isEmpty());
326		}
340	–	joinPool(p);
327		}
328
329		/**
330	<	*  invoke(Executor, Runnable) throws ExecutionException if
345	<	*  runnable throws exception.
330	>	* invokeAll(c) throws NPE if c has null elements
331		*/
332	<	public void testInvoke3() {
333	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
334	<	try {
335	<	Runnable r = new Runnable() {
336	<	public void run() {
337	<	int i = 5/0;
338	<	}
339	<	};
332	>	public void testInvokeAll3() throws InterruptedException {
333	>	final ExecutorService e = new DirectExecutorService();
334	>	try (PoolCleaner cleaner = cleaner(e)) {
335	>	List<Callable<String>> l = new ArrayList<>();
336	>	l.add(new StringTask());
337	>	l.add(null);
338	>	try {
339	>	e.invokeAll(l);
340	>	shouldThrow();
341	>	} catch (NullPointerException success) {}
342	>	}
343	>	}
344
345	<	for(int i =0; i < 5; i++){
346	<	p.invoke(r);
345	>	/**
346	>	* get of returned element of invokeAll(c) throws exception on failed task
347	>	*/
348	>	public void testInvokeAll4() throws Exception {
349	>	final ExecutorService e = new DirectExecutorService();
350	>	try (PoolCleaner cleaner = cleaner(e)) {
351	>	List<Callable<String>> l = new ArrayList<>();
352	>	l.add(new NPETask());
353	>	List<Future<String>> futures = e.invokeAll(l);
354	>	assertEquals(1, futures.size());
355	>	try {
356	>	futures.get(0).get();
357	>	shouldThrow();
358	>	} catch (ExecutionException success) {
359	>	assertTrue(success.getCause() instanceof NullPointerException);
360		}
361	+	}
362	+	}
363
364	<	shouldThrow();
365	<	} catch(ExecutionException success){
366	<	} catch(Exception e){
367	<	unexpectedException();
364	>	/**
365	>	* invokeAll(c) returns results of all completed tasks in c
366	>	*/
367	>	public void testInvokeAll5() throws Exception {
368	>	final ExecutorService e = new DirectExecutorService();
369	>	try (PoolCleaner cleaner = cleaner(e)) {
370	>	List<Callable<String>> l = new ArrayList<>();
371	>	l.add(new StringTask());
372	>	l.add(new StringTask());
373	>	List<Future<String>> futures = e.invokeAll(l);
374	>	assertEquals(2, futures.size());
375	>	for (Future<String> future : futures)
376	>	assertSame(TEST_STRING, future.get());
377		}
365	–	joinPool(p);
378		}
379
380	+	/**
381	+	* timed invokeAny(null) throws NPE
382	+	*/
383	+	public void testTimedInvokeAny1() throws Exception {
384	+	final ExecutorService e = new DirectExecutorService();
385	+	try (PoolCleaner cleaner = cleaner(e)) {
386	+	try {
387	+	e.invokeAny(null, randomTimeout(), randomTimeUnit());
388	+	shouldThrow();
389	+	} catch (NullPointerException success) {}
390	+	}
391	+	}
392
393	+	/**
394	+	* timed invokeAny(null time unit) throws NullPointerException
395	+	*/
396	+	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
397	+	final ExecutorService e = new DirectExecutorService();
398	+	try (PoolCleaner cleaner = cleaner(e)) {
399	+	List<Callable<String>> l = new ArrayList<>();
400	+	l.add(new StringTask());
401	+	try {
402	+	e.invokeAny(l, randomTimeout(), null);
403	+	shouldThrow();
404	+	} catch (NullPointerException success) {}
405	+	}
406	+	}
407
408		/**
409	<	*  invoke(Executor, Callable) throws InterruptedException if
372	<	*  callable throws exception
409	>	* timed invokeAny(empty collection) throws IllegalArgumentException
410		*/
411	<	public void testInvoke5() {
412	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
411	>	public void testTimedInvokeAny2() throws Exception {
412	>	final ExecutorService e = new DirectExecutorService();
413	>	final Collection<Callable<String>> emptyCollection
414	>	= Collections.emptyList();
415	>	try (PoolCleaner cleaner = cleaner(e)) {
416	>	try {
417	>	e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit());
418	>	shouldThrow();
419	>	} catch (IllegalArgumentException success) {}
420	>	}
421	>	}
422
423	<	final Callable c = new Callable() {
424	<	public Object call() {
425	<	try {
426	<	p.invoke(new SmallCallable());
427	<	shouldThrow();
428	<	} catch(InterruptedException e){}
429	<	catch(RejectedExecutionException e2){}
430	<	catch(ExecutionException e3){}
431	<	return Boolean.TRUE;
432	<	}
433	<	};
423	>	/**
424	>	* timed invokeAny(c) throws NPE if c has null elements
425	>	*/
426	>	public void testTimedInvokeAny3() throws Exception {
427	>	final ExecutorService e = new DirectExecutorService();
428	>	try (PoolCleaner cleaner = cleaner(e)) {
429	>	List<Callable<Long>> l = new ArrayList<>();
430	>	l.add(new Callable<Long>() {
431	>	public Long call() { throw new ArithmeticException(); }});
432	>	l.add(null);
433	>	try {
434	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
435	>	shouldThrow();
436	>	} catch (NullPointerException success) {}
437	>	}
438	>	}
439
440	+	/**
441	+	* timed invokeAny(c) throws ExecutionException if no task completes
442	+	*/
443	+	public void testTimedInvokeAny4() throws Exception {
444	+	final ExecutorService e = new DirectExecutorService();
445	+	try (PoolCleaner cleaner = cleaner(e)) {
446	+	long startTime = System.nanoTime();
447	+	List<Callable<String>> l = new ArrayList<>();
448	+	l.add(new NPETask());
449	+	try {
450	+	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
451	+	shouldThrow();
452	+	} catch (ExecutionException success) {
453	+	assertTrue(success.getCause() instanceof NullPointerException);
454	+	}
455	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
456	+	}
457	+	}
458
459	+	/**
460	+	* timed invokeAny(c) returns result of some task in c
461	+	*/
462	+	public void testTimedInvokeAny5() throws Exception {
463	+	final ExecutorService e = new DirectExecutorService();
464	+	try (PoolCleaner cleaner = cleaner(e)) {
465	+	long startTime = System.nanoTime();
466	+	List<Callable<String>> l = new ArrayList<>();
467	+	l.add(new StringTask());
468	+	l.add(new StringTask());
469	+	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
470	+	assertSame(TEST_STRING, result);
471	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
472	+	}
473	+	}
474
475	<	Thread t = new Thread(new Runnable() {
476	<	public void run() {
477	<	try {
478	<	c.call();
479	<	} catch(Exception e){}
480	<	}
481	<	});
482	<	try {
483	<	t.start();
484	<	Thread.sleep(SHORT_DELAY_MS);
401	<	t.interrupt();
402	<	t.join();
403	<	} catch(InterruptedException e){
404	<	unexpectedException();
475	>	/**
476	>	* timed invokeAll(null) throws NullPointerException
477	>	*/
478	>	public void testTimedInvokeAll1() throws InterruptedException {
479	>	final ExecutorService e = new DirectExecutorService();
480	>	try (PoolCleaner cleaner = cleaner(e)) {
481	>	try {
482	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
483	>	shouldThrow();
484	>	} catch (NullPointerException success) {}
485		}
486	+	}
487
488	<	joinPool(p);
488	>	/**
489	>	* timed invokeAll(null time unit) throws NPE
490	>	*/
491	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
492	>	final ExecutorService e = new DirectExecutorService();
493	>	try (PoolCleaner cleaner = cleaner(e)) {
494	>	List<Callable<String>> l = new ArrayList<>();
495	>	l.add(new StringTask());
496	>	try {
497	>	e.invokeAll(l, randomTimeout(), null);
498	>	shouldThrow();
499	>	} catch (NullPointerException success) {}
500	>	}
501		}
502
503		/**
504	<	*  invoke(Executor, Callable) will throw ExecutionException
412	<	*  if callable throws exception
504	>	* timed invokeAll(empty collection) returns empty list
505		*/
506	<	public void testInvoke6() {
507	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
506	>	public void testTimedInvokeAll2() throws InterruptedException {
507	>	final ExecutorService e = new DirectExecutorService();
508	>	final Collection<Callable<String>> emptyCollection
509	>	= Collections.emptyList();
510	>	try (PoolCleaner cleaner = cleaner(e)) {
511	>	List<Future<String>> r =
512	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
513	>	assertTrue(r.isEmpty());
514	>	}
515	>	}
516
517	<	try {
518	<	Callable c = new Callable() {
519	<	public Object call() {
520	<	int i = 5/0;
521	<	return Boolean.TRUE;
522	<	}
523	<	};
517	>	/**
518	>	* timed invokeAll(c) throws NullPointerException if c has null elements
519	>	*/
520	>	public void testTimedInvokeAll3() throws InterruptedException {
521	>	final ExecutorService e = new DirectExecutorService();
522	>	try (PoolCleaner cleaner = cleaner(e)) {
523	>	List<Callable<String>> l = new ArrayList<>();
524	>	l.add(new StringTask());
525	>	l.add(null);
526	>	try {
527	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
528	>	shouldThrow();
529	>	} catch (NullPointerException success) {}
530	>	}
531	>	}
532
533	<	for(int i =0; i < 5; i++){
534	<	p.invoke(c);
533	>	/**
534	>	* get of returned element of invokeAll(c) throws exception on failed task
535	>	*/
536	>	public void testTimedInvokeAll4() throws Exception {
537	>	final ExecutorService e = new DirectExecutorService();
538	>	try (PoolCleaner cleaner = cleaner(e)) {
539	>	List<Callable<String>> l = new ArrayList<>();
540	>	l.add(new NPETask());
541	>	List<Future<String>> futures =
542	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
543	>	assertEquals(1, futures.size());
544	>	try {
545	>	futures.get(0).get();
546	>	shouldThrow();
547	>	} catch (ExecutionException success) {
548	>	assertTrue(success.getCause() instanceof NullPointerException);
549		}
550	+	}
551	+	}
552
553	<	shouldThrow();
553	>	/**
554	>	* timed invokeAll(c) returns results of all completed tasks in c
555	>	*/
556	>	public void testTimedInvokeAll5() throws Exception {
557	>	final ExecutorService e = new DirectExecutorService();
558	>	try (PoolCleaner cleaner = cleaner(e)) {
559	>	List<Callable<String>> l = new ArrayList<>();
560	>	l.add(new StringTask());
561	>	l.add(new StringTask());
562	>	List<Future<String>> futures =
563	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
564	>	assertEquals(2, futures.size());
565	>	for (Future<String> future : futures)
566	>	assertSame(TEST_STRING, future.get());
567		}
568	<	catch(ExecutionException success){
569	<	} catch(Exception e) {
570	<	unexpectedException();
568	>	}
569	>
570	>	/**
571	>	* timed invokeAll cancels tasks not completed by timeout
572	>	*/
573	>	public void testTimedInvokeAll6() throws Exception {
574	>	final ExecutorService e = new DirectExecutorService();
575	>	try (PoolCleaner cleaner = cleaner(e)) {
576	>	for (long timeout = timeoutMillis();;) {
577	>	List<Callable<String>> tasks = new ArrayList<>();
578	>	tasks.add(new StringTask("0"));
579	>	tasks.add(Executors.callable(possiblyInterruptedRunnable(timeout),
580	>	TEST_STRING));
581	>	tasks.add(new StringTask("2"));
582	>	long startTime = System.nanoTime();
583	>	List<Future<String>> futures =
584	>	e.invokeAll(tasks, timeout, MILLISECONDS);
585	>	assertEquals(tasks.size(), futures.size());
586	>	assertTrue(millisElapsedSince(startTime) >= timeout);
587	>	for (Future<?> future : futures)
588	>	assertTrue(future.isDone());
589	>	try {
590	>	assertEquals("0", futures.get(0).get());
591	>	assertEquals(TEST_STRING, futures.get(1).get());
592	>	} catch (CancellationException retryWithLongerTimeout) {
593	>	// unusual delay before starting second task
594	>	timeout *= 2;
595	>	if (timeout >= LONG_DELAY_MS / 2)
596	>	fail("expected exactly one task to be cancelled");
597	>	continue;
598	>	}
599	>	assertTrue(futures.get(2).isCancelled());
600	>	break;
601	>	}
602		}
435	–	joinPool(p);
603		}
604
605	<	}
605	>	}

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