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Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.15 by dl, Tue Jan 20 20:20:56 2004 UTC vs.
Revision 1.46 by jsr166, Mon May 29 22:44:26 2017 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
5	<	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	<	* Pat Fisher, Mike Judd.
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(AbstractExecutorServiceTest.class);
39		}
40
41	<	/**
41	>	/**
42		* A no-frills implementation of AbstractExecutorService, designed
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<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; }
48	>	public List<Runnable> shutdownNow() {
49	>	shutdown = true;
50	>	return Collections.EMPTY_LIST;
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		/**
61		* execute(runnable) runs it to completion
62		*/
63	<	public void testExecuteRunnable() {
64	<	try {
65	<	ExecutorService e = new DirectExecutorService();
66	<	TrackedShortRunnable task = new TrackedShortRunnable();
67	<	assertFalse(task.done);
68	<	Future<?> future = e.submit(task);
69	<	future.get();
70	<	assertTrue(task.done);
71	<	}
72	<	catch (ExecutionException ex) {
73	<	unexpectedException();
74	<	}
53	<	catch (InterruptedException ex) {
54	<	unexpectedException();
55	<	}
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
58	–
77		/**
78		* Completed submit(callable) returns result
79		*/
80	<	public void testSubmitCallable() {
81	<	try {
82	<	ExecutorService e = new DirectExecutorService();
83	<	Future<String> future = e.submit(new StringTask());
84	<	String result = future.get();
67	<	assertSame(TEST_STRING, result);
68	<	}
69	<	catch (ExecutionException ex) {
70	<	unexpectedException();
71	<	}
72	<	catch (InterruptedException ex) {
73	<	unexpectedException();
74	<	}
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		* Completed submit(runnable) returns successfully
89		*/
90	<	public void testSubmitRunnable() {
91	<	try {
92	<	ExecutorService e = new DirectExecutorService();
93	<	Future<?> future = e.submit(new NoOpRunnable());
94	<	future.get();
85	<	assertTrue(future.isDone());
86	<	}
87	<	catch (ExecutionException ex) {
88	<	unexpectedException();
89	<	}
90	<	catch (InterruptedException ex) {
91	<	unexpectedException();
92	<	}
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		* Completed submit(runnable, result) returns result
99		*/
100	<	public void testSubmitRunnable2() {
101	<	try {
102	<	ExecutorService e = new DirectExecutorService();
103	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
104	<	String result = future.get();
103	<	assertSame(TEST_STRING, result);
104	<	}
105	<	catch (ExecutionException ex) {
106	<	unexpectedException();
107	<	}
108	<	catch (InterruptedException ex) {
109	<	unexpectedException();
110	<	}
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
113	–
107		/**
108	<	* A submitted privileged action to completion
108	>	* A submitted privileged action runs to completion
109		*/
110	<	public void testSubmitPrivilegedAction() {
111	<	Policy savedPolicy = null;
112	<	try {
113	<	savedPolicy = Policy.getPolicy();
114	<	AdjustablePolicy policy = new AdjustablePolicy();
122	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
123	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
124	<	Policy.setPolicy(policy);
125	<	} catch(AccessControlException ok) {
126	<	return;
127	<	}
128	<	try {
129	<	ExecutorService e = new DirectExecutorService();
130	<	Future future = e.submit(Executors.callable(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() {
115		public Object run() {
116		return TEST_STRING;
117		}}));
118
119	<	Object result = future.get();
120	<	assertSame(TEST_STRING, result);
121	<	}
122	<	catch (ExecutionException ex) {
123	<	unexpectedException();
124	<	}
125	<	catch (InterruptedException ex) {
142	<	unexpectedException();
143	<	}
144	<	finally {
145	<	try {
146	<	Policy.setPolicy(savedPolicy);
147	<	} catch(AccessControlException ok) {
148	<	return;
149	<	}
150	<	}
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	<	* A submitted a privileged exception action runs to completion
129	>	* A submitted privileged exception action runs to completion
130		*/
131	<	public void testSubmitPrivilegedExceptionAction() {
132	<	Policy savedPolicy = null;
133	<	try {
134	<	savedPolicy = Policy.getPolicy();
135	<	AdjustablePolicy policy = new AdjustablePolicy();
161	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
162	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
163	<	Policy.setPolicy(policy);
164	<	} catch(AccessControlException ok) {
165	<	return;
166	<	}
167	<
168	<	try {
169	<	ExecutorService e = new DirectExecutorService();
170	<	Future future = e.submit(Executors.callable(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() {
136		public Object run() {
137		return TEST_STRING;
138		}}));
139
140	<	Object result = future.get();
141	<	assertSame(TEST_STRING, result);
142	<	}
143	<	catch (ExecutionException ex) {
179	<	unexpectedException();
180	<	}
181	<	catch (InterruptedException ex) {
182	<	unexpectedException();
183	<	}
184	<	finally {
185	<	Policy.setPolicy(savedPolicy);
186	<	}
140	>	assertSame(TEST_STRING, future.get());
141	>	}};
142	>
143	>	runWithPermissions(r);
144		}
145
146		/**
147		* A submitted failed privileged exception action reports exception
148		*/
149	<	public void testSubmitFailedPrivilegedExceptionAction() {
150	<	Policy savedPolicy = null;
151	<	try {
152	<	savedPolicy = Policy.getPolicy();
153	<	AdjustablePolicy policy = new AdjustablePolicy();
197	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
198	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
199	<	Policy.setPolicy(policy);
200	<	} catch(AccessControlException ok) {
201	<	return;
202	<	}
203	<
204	<
205	<	try {
206	<	ExecutorService e = new DirectExecutorService();
207	<	Future future = e.submit(Executors.callable(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() {
154		public Object run() throws Exception {
155		throw new IndexOutOfBoundsException();
156		}}));
157
158	<	Object result = future.get();
159	<	shouldThrow();
160	<	}
161	<	catch (ExecutionException success) {
162	<	}
163	<	catch (InterruptedException ex) {
164	<	unexpectedException();
165	<	}
220	<	finally {
221	<	Policy.setPolicy(savedPolicy);
222	<	}
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		* execute(null runnable) throws NPE
170		*/
171		public void testExecuteNullRunnable() {
172	+	ExecutorService e = new DirectExecutorService();
173		try {
174	<	ExecutorService e = new DirectExecutorService();
231	<	TrackedShortRunnable task = null;
232	<	Future<?> future = e.submit(task);
174	>	e.submit((Runnable) null);
175		shouldThrow();
176	<	}
235	<	catch (NullPointerException success) {
236	<	}
237	<	catch (Exception ex) {
238	<	unexpectedException();
239	<	}
176	>	} catch (NullPointerException success) {}
177		}
178
242	–
179		/**
180		* submit(null callable) throws NPE
181		*/
182		public void testSubmitNullCallable() {
183	+	ExecutorService e = new DirectExecutorService();
184		try {
185	<	ExecutorService e = new DirectExecutorService();
249	<	StringTask t = null;
250	<	Future<String> future = e.submit(t);
251	<	shouldThrow();
252	<	}
253	<	catch (NullPointerException success) {
254	<	}
255	<	catch (Exception ex) {
256	<	unexpectedException();
257	<	}
258	<	}
259	<
260	<	/**
261	<	* submit(runnable) throws RejectedExecutionException if
262	<	* executor is saturated.
263	<	*/
264	<	public void testExecute1() {
265	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, 60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(1));
266	<	try {
267	<
268	<	for(int i = 0; i < 5; ++i){
269	<	p.submit(new MediumRunnable());
270	<	}
271	<	shouldThrow();
272	<	} catch(RejectedExecutionException success){}
273	<	joinPool(p);
274	<	}
275	<
276	<	/**
277	<	* submit(callable) throws RejectedExecutionException
278	<	* if executor is saturated.
279	<	*/
280	<	public void testExecute2() {
281	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, 60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(1));
282	<	try {
283	<	for(int i = 0; i < 5; ++i) {
284	<	p.submit(new SmallCallable());
285	<	}
185	>	e.submit((Callable) null);
186		shouldThrow();
187	<	} catch(RejectedExecutionException e){}
288	<	joinPool(p);
187	>	} catch (NullPointerException success) {}
188		}
189
291	–
190		/**
191	<	*  Blocking on submit(callable) throws InterruptedException if
294	<	*  caller interrupted.
191	>	* submit(callable).get() throws InterruptedException if interrupted
192		*/
193	<	public void testInterruptedSubmit() {
194	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
195	<	Thread t = new Thread(new Runnable() {
196	<	public void run() {
197	<	try {
198	<	p.submit(new Callable<Object>() {
199	<	public Object call() {
200	<	try {
201	<	Thread.sleep(MEDIUM_DELAY_MS);
202	<	shouldThrow();
203	<	} catch(InterruptedException e){
204	<	}
205	<	return null;
206	<	}
207	<	}).get();
208	<	} catch(InterruptedException success){
209	<	} catch(Exception e) {
210	<	unexpectedException();
314	<	}
193	>	public void testInterruptedSubmit() throws InterruptedException {
194	>	final CountDownLatch submitted    = new CountDownLatch(1);
195	>	final CountDownLatch quittingTime = new CountDownLatch(1);
196	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
197	>	public Void realCall() throws InterruptedException {
198	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
199	>	return null;
200	>	}};
201	>	final ExecutorService p
202	>	= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
203	>	new ArrayBlockingQueue<Runnable>(10));
204	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
205	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
206	>	public void realRun() throws Exception {
207	>	Future<Void> future = p.submit(awaiter);
208	>	submitted.countDown();
209	>	future.get();
210	>	}});
211
212	<	}
317	<	});
318	<	try {
319	<	t.start();
320	<	Thread.sleep(SHORT_DELAY_MS);
212	>	await(submitted);
213		t.interrupt();
214	<	} catch(Exception e){
323	<	unexpectedException();
214	>	awaitTermination(t);
215		}
325	–	joinPool(p);
216		}
217
218		/**
219	<	*  get of submitted callable throws Exception if callable
220	<	*  interrupted
219	>	* get of submit(callable) throws ExecutionException if callable
220	>	* throws exception
221		*/
222	<	public void testSubmitIE() {
223	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
224	<
225	<	final Callable c = new Callable() {
226	<	public Object call() {
227	<	try {
338	<	p.submit(new SmallCallable()).get();
339	<	shouldThrow();
340	<	} catch(InterruptedException e){}
341	<	catch(RejectedExecutionException e2){}
342	<	catch(ExecutionException e3){}
343	<	return Boolean.TRUE;
344	<	}
345	<	};
346	<
347	<
348	<
349	<	Thread t = new Thread(new Runnable() {
350	<	public void run() {
351	<	try {
352	<	c.call();
353	<	} catch(Exception e){}
354	<	}
355	<	});
356	<	try {
357	<	t.start();
358	<	Thread.sleep(SHORT_DELAY_MS);
359	<	t.interrupt();
360	<	t.join();
361	<	} catch(InterruptedException e){
362	<	unexpectedException();
363	<	}
364	<
365	<	joinPool(p);
366	<	}
367	<
368	<	/**
369	<	*  get of submit(callable) throws ExecutionException if callable
370	<	*  throws exception
371	<	*/
372	<	public void testSubmitEE() {
373	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
374	<
375	<	try {
222	>	public void testSubmitEE() throws InterruptedException {
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(1, 1,
225	>	60, TimeUnit.SECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228		Callable c = new Callable() {
229	<	public Object call() {
230	<	int i = 5/0;
379	<	return Boolean.TRUE;
380	<	}
381	<	};
382	<
383	<	for(int i =0; i < 5; i++){
229	>	public Object call() { throw new ArithmeticException(); }};
230	>	try {
231		p.submit(c).get();
232	+	shouldThrow();
233	+	} catch (ExecutionException success) {
234	+	assertTrue(success.getCause() instanceof ArithmeticException);
235		}
386	–
387	–	shouldThrow();
388	–	}
389	–	catch(ExecutionException success){
390	–	} catch(Exception e) {
391	–	unexpectedException();
236		}
393	–	joinPool(p);
237		}
238
239		/**
240		* invokeAny(null) throws NPE
241		*/
242	<	public void testInvokeAny1() {
243	<	ExecutorService e = new DirectExecutorService();
244	<	try {
245	<	e.invokeAny(null);
246	<	} catch (NullPointerException success) {
247	<	} catch(Exception ex) {
248	<	unexpectedException();
406	<	} finally {
407	<	joinPool(e);
242	>	public void testInvokeAny1() throws Exception {
243	>	final ExecutorService e = new DirectExecutorService();
244	>	try (PoolCleaner cleaner = cleaner(e)) {
245	>	try {
246	>	e.invokeAny(null);
247	>	shouldThrow();
248	>	} catch (NullPointerException success) {}
249		}
250		}
251
252		/**
253	<	* invokeAny(empty collection) throws IAE
253	>	* invokeAny(empty collection) throws IllegalArgumentException
254		*/
255	<	public void testInvokeAny2() {
256	<	ExecutorService e = new DirectExecutorService();
257	<	try {
258	<	e.invokeAny(new ArrayList<Callable<String>>());
259	<	} catch (IllegalArgumentException success) {
260	<	} catch(Exception ex) {
261	<	unexpectedException();
262	<	} finally {
263	<	joinPool(e);
255	>	public void testInvokeAny2() throws Exception {
256	>	final ExecutorService e = new DirectExecutorService();
257	>	final Collection<Callable<String>> emptyCollection
258	>	= Collections.emptyList();
259	>	try (PoolCleaner cleaner = cleaner(e)) {
260	>	try {
261	>	e.invokeAny(emptyCollection);
262	>	shouldThrow();
263	>	} catch (IllegalArgumentException success) {}
264		}
265		}
266
267		/**
268		* invokeAny(c) throws NPE if c has null elements
269		*/
270	<	public void testInvokeAny3() {
271	<	ExecutorService e = new DirectExecutorService();
272	<	try {
273	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
274	<	l.add(new StringTask());
270	>	public void testInvokeAny3() throws Exception {
271	>	final ExecutorService e = new DirectExecutorService();
272	>	try (PoolCleaner cleaner = cleaner(e)) {
273	>	List<Callable<Long>> l = new ArrayList<>();
274	>	l.add(new Callable<Long>() {
275	>	public Long call() { throw new ArithmeticException(); }});
276		l.add(null);
277	<	e.invokeAny(l);
278	<	} catch (NullPointerException success) {
279	<	} catch(Exception ex) {
280	<	ex.printStackTrace();
439	<	unexpectedException();
440	<	} finally {
441	<	joinPool(e);
277	>	try {
278	>	e.invokeAny(l);
279	>	shouldThrow();
280	>	} catch (NullPointerException success) {}
281		}
282		}
283
284		/**
285		* invokeAny(c) throws ExecutionException if no task in c completes
286		*/
287	<	public void testInvokeAny4() {
288	<	ExecutorService e = new DirectExecutorService();
289	<	try {
290	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
287	>	public void testInvokeAny4() throws InterruptedException {
288	>	final ExecutorService e = new DirectExecutorService();
289	>	try (PoolCleaner cleaner = cleaner(e)) {
290	>	List<Callable<String>> l = new ArrayList<>();
291		l.add(new NPETask());
292	<	e.invokeAny(l);
293	<	} catch(ExecutionException success) {
294	<	} catch(Exception ex) {
295	<	unexpectedException();
296	<	} finally {
297	<	joinPool(e);
292	>	try {
293	>	e.invokeAny(l);
294	>	shouldThrow();
295	>	} catch (ExecutionException success) {
296	>	assertTrue(success.getCause() instanceof NullPointerException);
297	>	}
298		}
299		}
300
301		/**
302		* invokeAny(c) returns result of some task in c if at least one completes
303		*/
304	<	public void testInvokeAny5() {
305	<	ExecutorService e = new DirectExecutorService();
306	<	try {
307	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
304	>	public void testInvokeAny5() throws Exception {
305	>	final ExecutorService e = new DirectExecutorService();
306	>	try (PoolCleaner cleaner = cleaner(e)) {
307	>	List<Callable<String>> l = new ArrayList<>();
308		l.add(new StringTask());
309		l.add(new StringTask());
310		String result = e.invokeAny(l);
311		assertSame(TEST_STRING, result);
473	–	} catch (ExecutionException success) {
474	–	} catch(Exception ex) {
475	–	unexpectedException();
476	–	} finally {
477	–	joinPool(e);
312		}
313		}
314
315		/**
316		* invokeAll(null) throws NPE
317		*/
318	<	public void testInvokeAll1() {
319	<	ExecutorService e = new DirectExecutorService();
320	<	try {
321	<	e.invokeAll(null);
322	<	} catch (NullPointerException success) {
323	<	} catch(Exception ex) {
324	<	unexpectedException();
491	<	} finally {
492	<	joinPool(e);
318	>	public void testInvokeAll1() throws InterruptedException {
319	>	final ExecutorService e = new DirectExecutorService();
320	>	try (PoolCleaner cleaner = cleaner(e)) {
321	>	try {
322	>	e.invokeAll(null);
323	>	shouldThrow();
324	>	} catch (NullPointerException success) {}
325		}
326		}
327
328		/**
329	<	* invokeAll(empty collection) returns empty collection
329	>	* invokeAll(empty collection) returns empty list
330		*/
331	<	public void testInvokeAll2() {
332	<	ExecutorService e = new DirectExecutorService();
333	<	try {
334	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
331	>	public void testInvokeAll2() throws InterruptedException {
332	>	final ExecutorService e = new DirectExecutorService();
333	>	final Collection<Callable<String>> emptyCollection
334	>	= Collections.emptyList();
335	>	try (PoolCleaner cleaner = cleaner(e)) {
336	>	List<Future<String>> r = e.invokeAll(emptyCollection);
337		assertTrue(r.isEmpty());
504	–	} catch(Exception ex) {
505	–	unexpectedException();
506	–	} finally {
507	–	joinPool(e);
338		}
339		}
340
341		/**
342		* invokeAll(c) throws NPE if c has null elements
343		*/
344	<	public void testInvokeAll3() {
345	<	ExecutorService e = new DirectExecutorService();
346	<	try {
347	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
344	>	public void testInvokeAll3() throws InterruptedException {
345	>	final ExecutorService e = new DirectExecutorService();
346	>	try (PoolCleaner cleaner = cleaner(e)) {
347	>	List<Callable<String>> l = new ArrayList<>();
348		l.add(new StringTask());
349		l.add(null);
350	<	e.invokeAll(l);
351	<	} catch (NullPointerException success) {
352	<	} catch(Exception ex) {
353	<	unexpectedException();
524	<	} finally {
525	<	joinPool(e);
350	>	try {
351	>	e.invokeAll(l);
352	>	shouldThrow();
353	>	} catch (NullPointerException success) {}
354		}
355		}
356
357		/**
358		* get of returned element of invokeAll(c) throws exception on failed task
359		*/
360	<	public void testInvokeAll4() {
361	<	ExecutorService e = new DirectExecutorService();
362	<	try {
363	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
360	>	public void testInvokeAll4() throws Exception {
361	>	final ExecutorService e = new DirectExecutorService();
362	>	try (PoolCleaner cleaner = cleaner(e)) {
363	>	List<Callable<String>> l = new ArrayList<>();
364		l.add(new NPETask());
365	<	List<Future<String>> result = e.invokeAll(l);
366	<	assertEquals(1, result.size());
367	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
368	<	it.next().get();
369	<	} catch(ExecutionException success) {
370	<	} catch(Exception ex) {
371	<	unexpectedException();
372	<	} finally {
545	<	joinPool(e);
365	>	List<Future<String>> futures = e.invokeAll(l);
366	>	assertEquals(1, futures.size());
367	>	try {
368	>	futures.get(0).get();
369	>	shouldThrow();
370	>	} catch (ExecutionException success) {
371	>	assertTrue(success.getCause() instanceof NullPointerException);
372	>	}
373		}
374		}
375
376		/**
377		* invokeAll(c) returns results of all completed tasks in c
378		*/
379	<	public void testInvokeAll5() {
380	<	ExecutorService e = new DirectExecutorService();
381	<	try {
382	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
379	>	public void testInvokeAll5() throws Exception {
380	>	final ExecutorService e = new DirectExecutorService();
381	>	try (PoolCleaner cleaner = cleaner(e)) {
382	>	List<Callable<String>> l = new ArrayList<>();
383		l.add(new StringTask());
384		l.add(new StringTask());
385	<	List<Future<String>> result = e.invokeAll(l);
386	<	assertEquals(2, result.size());
387	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
388	<	assertSame(TEST_STRING, it.next().get());
562	<	} catch (ExecutionException success) {
563	<	} catch(Exception ex) {
564	<	unexpectedException();
565	<	} finally {
566	<	joinPool(e);
385	>	List<Future<String>> futures = e.invokeAll(l);
386	>	assertEquals(2, futures.size());
387	>	for (Future<String> future : futures)
388	>	assertSame(TEST_STRING, future.get());
389		}
390		}
391
570	–
392		/**
393		* timed invokeAny(null) throws NPE
394		*/
395	<	public void testTimedInvokeAny1() {
396	<	ExecutorService e = new DirectExecutorService();
397	<	try {
398	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
399	<	} catch (NullPointerException success) {
400	<	} catch(Exception ex) {
401	<	unexpectedException();
581	<	} finally {
582	<	joinPool(e);
395	>	public void testTimedInvokeAny1() throws Exception {
396	>	final ExecutorService e = new DirectExecutorService();
397	>	try (PoolCleaner cleaner = cleaner(e)) {
398	>	try {
399	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
400	>	shouldThrow();
401	>	} catch (NullPointerException success) {}
402		}
403		}
404
405		/**
406	<	* timed invokeAny(null time unit) throws NPE
406	>	* timed invokeAny(null time unit) throws NullPointerException
407		*/
408	<	public void testTimedInvokeAnyNullTimeUnit() {
409	<	ExecutorService e = new DirectExecutorService();
410	<	try {
411	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
408	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
409	>	final ExecutorService e = new DirectExecutorService();
410	>	try (PoolCleaner cleaner = cleaner(e)) {
411	>	List<Callable<String>> l = new ArrayList<>();
412		l.add(new StringTask());
413	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
414	<	} catch (NullPointerException success) {
415	<	} catch(Exception ex) {
416	<	unexpectedException();
598	<	} finally {
599	<	joinPool(e);
413	>	try {
414	>	e.invokeAny(l, randomTimeout(), null);
415	>	shouldThrow();
416	>	} catch (NullPointerException success) {}
417		}
418		}
419
420		/**
421	<	* timed invokeAny(empty collection) throws IAE
421	>	* timed invokeAny(empty collection) throws IllegalArgumentException
422		*/
423	<	public void testTimedInvokeAny2() {
424	<	ExecutorService e = new DirectExecutorService();
425	<	try {
426	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
427	<	} catch (IllegalArgumentException success) {
428	<	} catch(Exception ex) {
429	<	unexpectedException();
430	<	} finally {
431	<	joinPool(e);
423	>	public void testTimedInvokeAny2() throws Exception {
424	>	final ExecutorService e = new DirectExecutorService();
425	>	final Collection<Callable<String>> emptyCollection
426	>	= Collections.emptyList();
427	>	try (PoolCleaner cleaner = cleaner(e)) {
428	>	try {
429	>	e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit());
430	>	shouldThrow();
431	>	} catch (IllegalArgumentException success) {}
432		}
433		}
434
435		/**
436		* timed invokeAny(c) throws NPE if c has null elements
437		*/
438	<	public void testTimedInvokeAny3() {
439	<	ExecutorService e = new DirectExecutorService();
440	<	try {
441	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
442	<	l.add(new StringTask());
438	>	public void testTimedInvokeAny3() throws Exception {
439	>	final ExecutorService e = new DirectExecutorService();
440	>	try (PoolCleaner cleaner = cleaner(e)) {
441	>	List<Callable<Long>> l = new ArrayList<>();
442	>	l.add(new Callable<Long>() {
443	>	public Long call() { throw new ArithmeticException(); }});
444		l.add(null);
445	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
446	<	} catch (NullPointerException success) {
447	<	} catch(Exception ex) {
448	<	ex.printStackTrace();
631	<	unexpectedException();
632	<	} finally {
633	<	joinPool(e);
445	>	try {
446	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
447	>	shouldThrow();
448	>	} catch (NullPointerException success) {}
449		}
450		}
451
452		/**
453		* timed invokeAny(c) throws ExecutionException if no task completes
454		*/
455	<	public void testTimedInvokeAny4() {
456	<	ExecutorService e = new DirectExecutorService();
457	<	try {
458	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
455	>	public void testTimedInvokeAny4() throws Exception {
456	>	final ExecutorService e = new DirectExecutorService();
457	>	try (PoolCleaner cleaner = cleaner(e)) {
458	>	long startTime = System.nanoTime();
459	>	List<Callable<String>> l = new ArrayList<>();
460		l.add(new NPETask());
461	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
462	<	} catch(ExecutionException success) {
463	<	} catch(Exception ex) {
464	<	unexpectedException();
465	<	} finally {
466	<	joinPool(e);
461	>	try {
462	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
463	>	shouldThrow();
464	>	} catch (ExecutionException success) {
465	>	assertTrue(success.getCause() instanceof NullPointerException);
466	>	}
467	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
468		}
469		}
470
471		/**
472		* timed invokeAny(c) returns result of some task in c
473		*/
474	<	public void testTimedInvokeAny5() {
475	<	ExecutorService e = new DirectExecutorService();
476	<	try {
477	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
474	>	public void testTimedInvokeAny5() throws Exception {
475	>	final ExecutorService e = new DirectExecutorService();
476	>	try (PoolCleaner cleaner = cleaner(e)) {
477	>	long startTime = System.nanoTime();
478	>	List<Callable<String>> l = new ArrayList<>();
479		l.add(new StringTask());
480		l.add(new StringTask());
481	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
481	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
482		assertSame(TEST_STRING, result);
483	<	} catch (ExecutionException success) {
666	<	} catch(Exception ex) {
667	<	unexpectedException();
668	<	} finally {
669	<	joinPool(e);
483	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
484		}
485		}
486
487		/**
488	<	* timed invokeAll(null) throws NPE
488	>	* timed invokeAll(null) throws NullPointerException
489		*/
490	<	public void testTimedInvokeAll1() {
491	<	ExecutorService e = new DirectExecutorService();
492	<	try {
493	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
494	<	} catch (NullPointerException success) {
495	<	} catch(Exception ex) {
496	<	unexpectedException();
683	<	} finally {
684	<	joinPool(e);
490	>	public void testTimedInvokeAll1() throws InterruptedException {
491	>	final ExecutorService e = new DirectExecutorService();
492	>	try (PoolCleaner cleaner = cleaner(e)) {
493	>	try {
494	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
495	>	shouldThrow();
496	>	} catch (NullPointerException success) {}
497		}
498		}
499
500		/**
501		* timed invokeAll(null time unit) throws NPE
502		*/
503	<	public void testTimedInvokeAllNullTimeUnit() {
504	<	ExecutorService e = new DirectExecutorService();
505	<	try {
506	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
503	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
504	>	final ExecutorService e = new DirectExecutorService();
505	>	try (PoolCleaner cleaner = cleaner(e)) {
506	>	List<Callable<String>> l = new ArrayList<>();
507		l.add(new StringTask());
508	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
509	<	} catch (NullPointerException success) {
510	<	} catch(Exception ex) {
511	<	unexpectedException();
700	<	} finally {
701	<	joinPool(e);
508	>	try {
509	>	e.invokeAll(l, randomTimeout(), null);
510	>	shouldThrow();
511	>	} catch (NullPointerException success) {}
512		}
513		}
514
515		/**
516	<	* timed invokeAll(empty collection) returns empty collection
516	>	* timed invokeAll(empty collection) returns empty list
517		*/
518	<	public void testTimedInvokeAll2() {
519	<	ExecutorService e = new DirectExecutorService();
520	<	try {
521	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
518	>	public void testTimedInvokeAll2() throws InterruptedException {
519	>	final ExecutorService e = new DirectExecutorService();
520	>	final Collection<Callable<String>> emptyCollection
521	>	= Collections.emptyList();
522	>	try (PoolCleaner cleaner = cleaner(e)) {
523	>	List<Future<String>> r =
524	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
525		assertTrue(r.isEmpty());
713	–	} catch(Exception ex) {
714	–	unexpectedException();
715	–	} finally {
716	–	joinPool(e);
526		}
527		}
528
529		/**
530	<	* timed invokeAll(c) throws NPE if c has null elements
530	>	* timed invokeAll(c) throws NullPointerException if c has null elements
531		*/
532	<	public void testTimedInvokeAll3() {
533	<	ExecutorService e = new DirectExecutorService();
534	<	try {
535	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
532	>	public void testTimedInvokeAll3() throws InterruptedException {
533	>	final ExecutorService e = new DirectExecutorService();
534	>	try (PoolCleaner cleaner = cleaner(e)) {
535	>	List<Callable<String>> l = new ArrayList<>();
536		l.add(new StringTask());
537		l.add(null);
538	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
539	<	} catch (NullPointerException success) {
540	<	} catch(Exception ex) {
541	<	unexpectedException();
733	<	} finally {
734	<	joinPool(e);
538	>	try {
539	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542		}
543		}
544
545		/**
546		* get of returned element of invokeAll(c) throws exception on failed task
547		*/
548	<	public void testTimedInvokeAll4() {
549	<	ExecutorService e = new DirectExecutorService();
550	<	try {
551	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
548	>	public void testTimedInvokeAll4() throws Exception {
549	>	final ExecutorService e = new DirectExecutorService();
550	>	try (PoolCleaner cleaner = cleaner(e)) {
551	>	List<Callable<String>> l = new ArrayList<>();
552		l.add(new NPETask());
553	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
554	<	assertEquals(1, result.size());
555	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
556	<	it.next().get();
557	<	} catch(ExecutionException success) {
558	<	} catch(Exception ex) {
559	<	unexpectedException();
560	<	} finally {
561	<	joinPool(e);
553	>	List<Future<String>> futures =
554	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
555	>	assertEquals(1, futures.size());
556	>	try {
557	>	futures.get(0).get();
558	>	shouldThrow();
559	>	} catch (ExecutionException success) {
560	>	assertTrue(success.getCause() instanceof NullPointerException);
561	>	}
562		}
563		}
564
565		/**
566		* timed invokeAll(c) returns results of all completed tasks in c
567		*/
568	<	public void testTimedInvokeAll5() {
569	<	ExecutorService e = new DirectExecutorService();
570	<	try {
571	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
568	>	public void testTimedInvokeAll5() throws Exception {
569	>	final ExecutorService e = new DirectExecutorService();
570	>	try (PoolCleaner cleaner = cleaner(e)) {
571	>	List<Callable<String>> l = new ArrayList<>();
572		l.add(new StringTask());
573		l.add(new StringTask());
574	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
575	<	assertEquals(2, result.size());
576	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
577	<	assertSame(TEST_STRING, it.next().get());
578	<	} catch (ExecutionException success) {
772	<	} catch(Exception ex) {
773	<	unexpectedException();
774	<	} finally {
775	<	joinPool(e);
574	>	List<Future<String>> futures =
575	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
576	>	assertEquals(2, futures.size());
577	>	for (Future<String> future : futures)
578	>	assertSame(TEST_STRING, future.get());
579		}
580		}
581
582		/**
583		* timed invokeAll cancels tasks not completed by timeout
584		*/
585	<	public void testTimedInvokeAll6() {
586	<	ExecutorService e = new DirectExecutorService();
587	<	try {
588	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
589	<	l.add(new StringTask());
590	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
591	<	l.add(new StringTask());
592	<	List<Future<String>> result = e.invokeAll(l, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
593	<	assertEquals(3, result.size());
594	<	Iterator<Future<String>> it = result.iterator();
595	<	Future<String> f1 = it.next();
596	<	Future<String> f2 = it.next();
597	<	Future<String> f3 = it.next();
598	<	assertTrue(f1.isDone());
599	<	assertFalse(f1.isCancelled());
600	<	assertTrue(f2.isDone());
601	<	assertTrue(f3.isDone());
602	<	assertTrue(f3.isCancelled());
603	<	} catch(Exception ex) {
604	<	unexpectedException();
605	<	} finally {
606	<	joinPool(e);
585	>	public void testTimedInvokeAll6() throws Exception {
586	>	final ExecutorService e = new DirectExecutorService();
587	>	try (PoolCleaner cleaner = cleaner(e)) {
588	>	for (long timeout = timeoutMillis();;) {
589	>	List<Callable<String>> tasks = new ArrayList<>();
590	>	tasks.add(new StringTask("0"));
591	>	tasks.add(Executors.callable(possiblyInterruptedRunnable(timeout),
592	>	TEST_STRING));
593	>	tasks.add(new StringTask("2"));
594	>	long startTime = System.nanoTime();
595	>	List<Future<String>> futures =
596	>	e.invokeAll(tasks, timeout, MILLISECONDS);
597	>	assertEquals(tasks.size(), futures.size());
598	>	assertTrue(millisElapsedSince(startTime) >= timeout);
599	>	for (Future future : futures)
600	>	assertTrue(future.isDone());
601	>	try {
602	>	assertEquals("0", futures.get(0).get());
603	>	assertEquals(TEST_STRING, futures.get(1).get());
604	>	} catch (CancellationException retryWithLongerTimeout) {
605	>	// unusual delay before starting second task
606	>	timeout *= 2;
607	>	if (timeout >= LONG_DELAY_MS / 2)
608	>	fail("expected exactly one task to be cancelled");
609	>	continue;
610	>	}
611	>	assertTrue(futures.get(2).isCancelled());
612	>	break;
613	>	}
614		}
615		}
616

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