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

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.15 by dl, Tue Jan 20 20:20:56 2004 UTC vs.
Revision 1.40 by jsr166, Sun Oct 4 18:18:48 2015 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.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(AbstractExecutorServiceTest.class);
38		}
39
40	<	/**
40	>	/**
41		* A no-frills implementation of AbstractExecutorService, designed
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		/**
60		* execute(runnable) runs it to completion
61		*/
62	<	public void testExecuteRunnable() {
63	<	try {
64	<	ExecutorService e = new DirectExecutorService();
65	<	TrackedShortRunnable task = new TrackedShortRunnable();
66	<	assertFalse(task.done);
67	<	Future<?> future = e.submit(task);
68	<	future.get();
69	<	assertTrue(task.done);
70	<	}
71	<	catch (ExecutionException ex) {
72	<	unexpectedException();
73	<	}
53	<	catch (InterruptedException ex) {
54	<	unexpectedException();
55	<	}
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
58	–
76		/**
77		* Completed submit(callable) returns result
78		*/
79	<	public void testSubmitCallable() {
80	<	try {
81	<	ExecutorService e = new DirectExecutorService();
82	<	Future<String> future = e.submit(new StringTask());
83	<	String result = future.get();
67	<	assertSame(TEST_STRING, result);
68	<	}
69	<	catch (ExecutionException ex) {
70	<	unexpectedException();
71	<	}
72	<	catch (InterruptedException ex) {
73	<	unexpectedException();
74	<	}
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
86		/**
87		* Completed submit(runnable) returns successfully
88		*/
89	<	public void testSubmitRunnable() {
90	<	try {
91	<	ExecutorService e = new DirectExecutorService();
92	<	Future<?> future = e.submit(new NoOpRunnable());
93	<	future.get();
85	<	assertTrue(future.isDone());
86	<	}
87	<	catch (ExecutionException ex) {
88	<	unexpectedException();
89	<	}
90	<	catch (InterruptedException ex) {
91	<	unexpectedException();
92	<	}
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() {
100	<	try {
101	<	ExecutorService e = new DirectExecutorService();
102	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
103	<	String result = future.get();
103	<	assertSame(TEST_STRING, result);
104	<	}
105	<	catch (ExecutionException ex) {
106	<	unexpectedException();
107	<	}
108	<	catch (InterruptedException ex) {
109	<	unexpectedException();
110	<	}
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
113	–
106		/**
107	<	* A submitted privileged action to completion
107	>	* A submitted privileged action runs to completion
108		*/
109	<	public void testSubmitPrivilegedAction() {
110	<	Policy savedPolicy = null;
111	<	try {
112	<	savedPolicy = Policy.getPolicy();
113	<	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() {
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) {
142	<	unexpectedException();
143	<	}
144	<	finally {
145	<	try {
146	<	Policy.setPolicy(savedPolicy);
147	<	} catch(AccessControlException ok) {
148	<	return;
149	<	}
150	<	}
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	<	* A submitted a privileged exception action runs to completion
128	>	* A submitted privileged exception action runs to completion
129		*/
130	<	public void testSubmitPrivilegedExceptionAction() {
131	<	Policy savedPolicy = null;
132	<	try {
133	<	savedPolicy = Policy.getPolicy();
134	<	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() {
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) {
179	<	unexpectedException();
180	<	}
181	<	catch (InterruptedException ex) {
182	<	unexpectedException();
183	<	}
184	<	finally {
185	<	Policy.setPolicy(savedPolicy);
186	<	}
139	>	assertSame(TEST_STRING, future.get());
140	>	}};
141	>
142	>	runWithPermissions(r);
143		}
144
145		/**
146		* A submitted failed privileged exception action reports exception
147		*/
148	<	public void testSubmitFailedPrivilegedExceptionAction() {
149	<	Policy savedPolicy = null;
150	<	try {
151	<	savedPolicy = Policy.getPolicy();
152	<	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() {
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	<	}
220	<	finally {
221	<	Policy.setPolicy(savedPolicy);
222	<	}
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		* execute(null runnable) throws NPE
169		*/
170		public void testExecuteNullRunnable() {
171	+	ExecutorService e = new DirectExecutorService();
172		try {
173	<	ExecutorService e = new DirectExecutorService();
231	<	TrackedShortRunnable task = null;
232	<	Future<?> future = e.submit(task);
173	>	e.submit((Runnable) null);
174		shouldThrow();
175	<	}
235	<	catch (NullPointerException success) {
236	<	}
237	<	catch (Exception ex) {
238	<	unexpectedException();
239	<	}
175	>	} catch (NullPointerException success) {}
176		}
177
242	–
178		/**
179		* submit(null callable) throws NPE
180		*/
181		public void testSubmitNullCallable() {
182	+	ExecutorService e = new DirectExecutorService();
183		try {
184	<	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	<	}
184	>	e.submit((Callable) null);
185		shouldThrow();
186	<	} catch(RejectedExecutionException e){}
288	<	joinPool(p);
186	>	} catch (NullPointerException success) {}
187		}
188
291	–
189		/**
190	<	*  Blocking on submit(callable) throws InterruptedException if
294	<	*  caller interrupted.
190	>	* submit(callable).get() throws InterruptedException if interrupted
191		*/
192	<	public void testInterruptedSubmit() {
193	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
194	<	Thread t = new Thread(new Runnable() {
195	<	public void run() {
196	<	try {
197	<	p.submit(new Callable<Object>() {
198	<	public Object call() {
199	<	try {
200	<	Thread.sleep(MEDIUM_DELAY_MS);
201	<	shouldThrow();
202	<	} catch(InterruptedException e){
203	<	}
204	<	return null;
205	<	}
206	<	}).get();
207	<	} catch(InterruptedException success){
208	<	} catch(Exception e) {
209	<	unexpectedException();
314	<	}
315	<
316	<	}
317	<	});
318	<	try {
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	>	quittingTime.await();
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)) {
204	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
205	>	public void realRun() throws Exception {
206	>	Future<Void> future = p.submit(awaiter);
207	>	submitted.countDown();
208	>	future.get();
209	>	}});
210		t.start();
211	<	Thread.sleep(SHORT_DELAY_MS);
321	<	t.interrupt();
322	<	} catch(Exception e){
323	<	unexpectedException();
324	<	}
325	<	joinPool(p);
326	<	}
327	<
328	<	/**
329	<	*  get of submitted callable throws Exception if callable
330	<	*  interrupted
331	<	*/
332	<	public void testSubmitIE() {
333	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
334	<
335	<	final Callable c = new Callable() {
336	<	public Object call() {
337	<	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);
211	>	submitted.await();
212		t.interrupt();
213		t.join();
214	<	} catch(InterruptedException e){
362	<	unexpectedException();
214	>	quittingTime.countDown();
215		}
364	–
365	–	joinPool(p);
216		}
217
218		/**
219	<	*  get of submit(callable) throws ExecutionException if callable
220	<	*  throws exception
219	>	* get of submit(callable) throws ExecutionException if callable
220	>	* throws exception
221		*/
222	<	public void testSubmitEE() {
223	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
224	<
225	<	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
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();
421	<	} finally {
422	<	joinPool(e);
255	>	public void testInvokeAny2() throws Exception {
256	>	final ExecutorService e = new DirectExecutorService();
257	>	try (PoolCleaner cleaner = cleaner(e)) {
258	>	try {
259	>	e.invokeAny(new ArrayList<Callable<String>>());
260	>	shouldThrow();
261	>	} catch (IllegalArgumentException success) {}
262		}
263		}
264
265		/**
266		* invokeAny(c) throws NPE if c has null elements
267		*/
268	<	public void testInvokeAny3() {
269	<	ExecutorService e = new DirectExecutorService();
270	<	try {
271	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
272	<	l.add(new StringTask());
268	>	public void testInvokeAny3() throws Exception {
269	>	final ExecutorService e = new DirectExecutorService();
270	>	try (PoolCleaner cleaner = cleaner(e)) {
271	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
272	>	l.add(new Callable<Long>() {
273	>	public Long call() { throw new ArithmeticException(); }});
274		l.add(null);
275	<	e.invokeAny(l);
276	<	} catch (NullPointerException success) {
277	<	} catch(Exception ex) {
278	<	ex.printStackTrace();
439	<	unexpectedException();
440	<	} finally {
441	<	joinPool(e);
275	>	try {
276	>	e.invokeAny(l);
277	>	shouldThrow();
278	>	} catch (NullPointerException success) {}
279		}
280		}
281
282		/**
283		* invokeAny(c) throws ExecutionException if no task in c completes
284		*/
285	<	public void testInvokeAny4() {
286	<	ExecutorService e = new DirectExecutorService();
287	<	try {
288	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
285	>	public void testInvokeAny4() throws InterruptedException {
286	>	final ExecutorService e = new DirectExecutorService();
287	>	try (PoolCleaner cleaner = cleaner(e)) {
288	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
289		l.add(new NPETask());
290	<	e.invokeAny(l);
291	<	} catch(ExecutionException success) {
292	<	} catch(Exception ex) {
293	<	unexpectedException();
294	<	} finally {
295	<	joinPool(e);
290	>	try {
291	>	e.invokeAny(l);
292	>	shouldThrow();
293	>	} catch (ExecutionException success) {
294	>	assertTrue(success.getCause() instanceof NullPointerException);
295	>	}
296		}
297		}
298
299		/**
300		* invokeAny(c) returns result of some task in c if at least one completes
301		*/
302	<	public void testInvokeAny5() {
303	<	ExecutorService e = new DirectExecutorService();
304	<	try {
305	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
302	>	public void testInvokeAny5() throws Exception {
303	>	final ExecutorService e = new DirectExecutorService();
304	>	try (PoolCleaner cleaner = cleaner(e)) {
305	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
306		l.add(new StringTask());
307		l.add(new StringTask());
308		String result = e.invokeAny(l);
309		assertSame(TEST_STRING, result);
473	–	} catch (ExecutionException success) {
474	–	} catch(Exception ex) {
475	–	unexpectedException();
476	–	} finally {
477	–	joinPool(e);
310		}
311		}
312
313		/**
314		* invokeAll(null) throws NPE
315		*/
316	<	public void testInvokeAll1() {
317	<	ExecutorService e = new DirectExecutorService();
318	<	try {
319	<	e.invokeAll(null);
320	<	} catch (NullPointerException success) {
321	<	} catch(Exception ex) {
322	<	unexpectedException();
491	<	} finally {
492	<	joinPool(e);
316	>	public void testInvokeAll1() throws InterruptedException {
317	>	final ExecutorService e = new DirectExecutorService();
318	>	try (PoolCleaner cleaner = cleaner(e)) {
319	>	try {
320	>	e.invokeAll(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323		}
324		}
325
326		/**
327		* invokeAll(empty collection) returns empty collection
328		*/
329	<	public void testInvokeAll2() {
330	<	ExecutorService e = new DirectExecutorService();
331	<	try {
329	>	public void testInvokeAll2() throws InterruptedException {
330	>	final ExecutorService e = new DirectExecutorService();
331	>	try (PoolCleaner cleaner = cleaner(e)) {
332		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
333		assertTrue(r.isEmpty());
504	–	} catch(Exception ex) {
505	–	unexpectedException();
506	–	} finally {
507	–	joinPool(e);
334		}
335		}
336
337		/**
338		* invokeAll(c) throws NPE if c has null elements
339		*/
340	<	public void testInvokeAll3() {
341	<	ExecutorService e = new DirectExecutorService();
342	<	try {
343	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
340	>	public void testInvokeAll3() throws InterruptedException {
341	>	final ExecutorService e = new DirectExecutorService();
342	>	try (PoolCleaner cleaner = cleaner(e)) {
343	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
344		l.add(new StringTask());
345		l.add(null);
346	<	e.invokeAll(l);
347	<	} catch (NullPointerException success) {
348	<	} catch(Exception ex) {
349	<	unexpectedException();
524	<	} finally {
525	<	joinPool(e);
346	>	try {
347	>	e.invokeAll(l);
348	>	shouldThrow();
349	>	} catch (NullPointerException success) {}
350		}
351		}
352
353		/**
354		* get of returned element of invokeAll(c) throws exception on failed task
355		*/
356	<	public void testInvokeAll4() {
357	<	ExecutorService e = new DirectExecutorService();
358	<	try {
359	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
356	>	public void testInvokeAll4() throws Exception {
357	>	final ExecutorService e = new DirectExecutorService();
358	>	try (PoolCleaner cleaner = cleaner(e)) {
359	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
360		l.add(new NPETask());
361	<	List<Future<String>> result = e.invokeAll(l);
362	<	assertEquals(1, result.size());
363	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
364	<	it.next().get();
365	<	} catch(ExecutionException success) {
366	<	} catch(Exception ex) {
367	<	unexpectedException();
368	<	} finally {
545	<	joinPool(e);
361	>	List<Future<String>> futures = e.invokeAll(l);
362	>	assertEquals(1, futures.size());
363	>	try {
364	>	futures.get(0).get();
365	>	shouldThrow();
366	>	} catch (ExecutionException success) {
367	>	assertTrue(success.getCause() instanceof NullPointerException);
368	>	}
369		}
370		}
371
372		/**
373		* invokeAll(c) returns results of all completed tasks in c
374		*/
375	<	public void testInvokeAll5() {
376	<	ExecutorService e = new DirectExecutorService();
377	<	try {
378	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
375	>	public void testInvokeAll5() throws Exception {
376	>	final ExecutorService e = new DirectExecutorService();
377	>	try (PoolCleaner cleaner = cleaner(e)) {
378	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
379		l.add(new StringTask());
380		l.add(new StringTask());
381	<	List<Future<String>> result = e.invokeAll(l);
382	<	assertEquals(2, result.size());
383	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
384	<	assertSame(TEST_STRING, it.next().get());
562	<	} catch (ExecutionException success) {
563	<	} catch(Exception ex) {
564	<	unexpectedException();
565	<	} finally {
566	<	joinPool(e);
381	>	List<Future<String>> futures = e.invokeAll(l);
382	>	assertEquals(2, futures.size());
383	>	for (Future<String> future : futures)
384	>	assertSame(TEST_STRING, future.get());
385		}
386		}
387
570	–
388		/**
389		* timed invokeAny(null) throws NPE
390		*/
391	<	public void testTimedInvokeAny1() {
392	<	ExecutorService e = new DirectExecutorService();
393	<	try {
394	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
395	<	} catch (NullPointerException success) {
396	<	} catch(Exception ex) {
397	<	unexpectedException();
581	<	} finally {
582	<	joinPool(e);
391	>	public void testTimedInvokeAny1() throws Exception {
392	>	final ExecutorService e = new DirectExecutorService();
393	>	try (PoolCleaner cleaner = cleaner(e)) {
394	>	try {
395	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
396	>	shouldThrow();
397	>	} catch (NullPointerException success) {}
398		}
399		}
400
401		/**
402		* timed invokeAny(null time unit) throws NPE
403		*/
404	<	public void testTimedInvokeAnyNullTimeUnit() {
405	<	ExecutorService e = new DirectExecutorService();
406	<	try {
407	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
404	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
405	>	final ExecutorService e = new DirectExecutorService();
406	>	try (PoolCleaner cleaner = cleaner(e)) {
407	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
408		l.add(new StringTask());
409	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
410	<	} catch (NullPointerException success) {
411	<	} catch(Exception ex) {
412	<	unexpectedException();
598	<	} finally {
599	<	joinPool(e);
409	>	try {
410	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
411	>	shouldThrow();
412	>	} catch (NullPointerException success) {}
413		}
414		}
415
416		/**
417		* timed invokeAny(empty collection) throws IAE
418		*/
419	<	public void testTimedInvokeAny2() {
420	<	ExecutorService e = new DirectExecutorService();
421	<	try {
422	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
423	<	} catch (IllegalArgumentException success) {
424	<	} catch(Exception ex) {
425	<	unexpectedException();
426	<	} finally {
614	<	joinPool(e);
419	>	public void testTimedInvokeAny2() throws Exception {
420	>	final ExecutorService e = new DirectExecutorService();
421	>	try (PoolCleaner cleaner = cleaner(e)) {
422	>	try {
423	>	e.invokeAny(new ArrayList<Callable<String>>(),
424	>	MEDIUM_DELAY_MS, MILLISECONDS);
425	>	shouldThrow();
426	>	} catch (IllegalArgumentException success) {}
427		}
428		}
429
430		/**
431		* timed invokeAny(c) throws NPE if c has null elements
432		*/
433	<	public void testTimedInvokeAny3() {
434	<	ExecutorService e = new DirectExecutorService();
435	<	try {
436	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
437	<	l.add(new StringTask());
433	>	public void testTimedInvokeAny3() throws Exception {
434	>	final ExecutorService e = new DirectExecutorService();
435	>	try (PoolCleaner cleaner = cleaner(e)) {
436	>	List<Callable<Long>> l = new ArrayList<Callable<Long>>();
437	>	l.add(new Callable<Long>() {
438	>	public Long call() { throw new ArithmeticException(); }});
439		l.add(null);
440	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
441	<	} catch (NullPointerException success) {
442	<	} catch(Exception ex) {
443	<	ex.printStackTrace();
631	<	unexpectedException();
632	<	} finally {
633	<	joinPool(e);
440	>	try {
441	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
442	>	shouldThrow();
443	>	} catch (NullPointerException success) {}
444		}
445		}
446
447		/**
448		* timed invokeAny(c) throws ExecutionException if no task completes
449		*/
450	<	public void testTimedInvokeAny4() {
451	<	ExecutorService e = new DirectExecutorService();
452	<	try {
453	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
450	>	public void testTimedInvokeAny4() throws Exception {
451	>	final ExecutorService e = new DirectExecutorService();
452	>	try (PoolCleaner cleaner = cleaner(e)) {
453	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
454		l.add(new NPETask());
455	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
456	<	} catch(ExecutionException success) {
457	<	} catch(Exception ex) {
458	<	unexpectedException();
459	<	} finally {
460	<	joinPool(e);
455	>	try {
456	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
457	>	shouldThrow();
458	>	} catch (ExecutionException success) {
459	>	assertTrue(success.getCause() instanceof NullPointerException);
460	>	}
461		}
462		}
463
464		/**
465		* timed invokeAny(c) returns result of some task in c
466		*/
467	<	public void testTimedInvokeAny5() {
468	<	ExecutorService e = new DirectExecutorService();
469	<	try {
470	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
467	>	public void testTimedInvokeAny5() throws Exception {
468	>	final ExecutorService e = new DirectExecutorService();
469	>	try (PoolCleaner cleaner = cleaner(e)) {
470	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
471		l.add(new StringTask());
472		l.add(new StringTask());
473	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
473	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
474		assertSame(TEST_STRING, result);
665	–	} catch (ExecutionException success) {
666	–	} catch(Exception ex) {
667	–	unexpectedException();
668	–	} finally {
669	–	joinPool(e);
475		}
476		}
477
478		/**
479		* timed invokeAll(null) throws NPE
480		*/
481	<	public void testTimedInvokeAll1() {
482	<	ExecutorService e = new DirectExecutorService();
483	<	try {
484	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
485	<	} catch (NullPointerException success) {
486	<	} catch(Exception ex) {
487	<	unexpectedException();
683	<	} finally {
684	<	joinPool(e);
481	>	public void testTimedInvokeAll1() throws InterruptedException {
482	>	final ExecutorService e = new DirectExecutorService();
483	>	try (PoolCleaner cleaner = cleaner(e)) {
484	>	try {
485	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
486	>	shouldThrow();
487	>	} catch (NullPointerException success) {}
488		}
489		}
490
491		/**
492		* timed invokeAll(null time unit) throws NPE
493		*/
494	<	public void testTimedInvokeAllNullTimeUnit() {
495	<	ExecutorService e = new DirectExecutorService();
496	<	try {
497	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
494	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
495	>	final ExecutorService e = new DirectExecutorService();
496	>	try (PoolCleaner cleaner = cleaner(e)) {
497	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
498		l.add(new StringTask());
499	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
500	<	} catch (NullPointerException success) {
501	<	} catch(Exception ex) {
502	<	unexpectedException();
700	<	} finally {
701	<	joinPool(e);
499	>	try {
500	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
501	>	shouldThrow();
502	>	} catch (NullPointerException success) {}
503		}
504		}
505
506		/**
507		* timed invokeAll(empty collection) returns empty collection
508		*/
509	<	public void testTimedInvokeAll2() {
510	<	ExecutorService e = new DirectExecutorService();
511	<	try {
512	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
509	>	public void testTimedInvokeAll2() throws InterruptedException {
510	>	final ExecutorService e = new DirectExecutorService();
511	>	try (PoolCleaner cleaner = cleaner(e)) {
512	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
513		assertTrue(r.isEmpty());
713	–	} catch(Exception ex) {
714	–	unexpectedException();
715	–	} finally {
716	–	joinPool(e);
514		}
515		}
516
517		/**
518		* timed invokeAll(c) throws NPE if c has null elements
519		*/
520	<	public void testTimedInvokeAll3() {
521	<	ExecutorService e = new DirectExecutorService();
522	<	try {
523	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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<Callable<String>>();
524		l.add(new StringTask());
525		l.add(null);
526	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
527	<	} catch (NullPointerException success) {
528	<	} catch(Exception ex) {
529	<	unexpectedException();
733	<	} finally {
734	<	joinPool(e);
526	>	try {
527	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
528	>	shouldThrow();
529	>	} catch (NullPointerException success) {}
530		}
531		}
532
533		/**
534		* get of returned element of invokeAll(c) throws exception on failed task
535		*/
536	<	public void testTimedInvokeAll4() {
537	<	ExecutorService e = new DirectExecutorService();
538	<	try {
539	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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<Callable<String>>();
540		l.add(new NPETask());
541	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
542	<	assertEquals(1, result.size());
543	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
544	<	it.next().get();
545	<	} catch(ExecutionException success) {
546	<	} catch(Exception ex) {
547	<	unexpectedException();
548	<	} finally {
549	<	joinPool(e);
541	>	List<Future<String>> futures =
542	>	e.invokeAll(l, MEDIUM_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		/**
554		* timed invokeAll(c) returns results of all completed tasks in c
555		*/
556	<	public void testTimedInvokeAll5() {
557	<	ExecutorService e = new DirectExecutorService();
558	<	try {
559	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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<Callable<String>>();
560		l.add(new StringTask());
561		l.add(new StringTask());
562	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
563	<	assertEquals(2, result.size());
564	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
565	<	assertSame(TEST_STRING, it.next().get());
566	<	} catch (ExecutionException success) {
772	<	} catch(Exception ex) {
773	<	unexpectedException();
774	<	} finally {
775	<	joinPool(e);
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		}
569
570		/**
571		* timed invokeAll cancels tasks not completed by timeout
572		*/
573	<	public void testTimedInvokeAll6() {
574	<	ExecutorService e = new DirectExecutorService();
575	<	try {
576	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
577	<	l.add(new StringTask());
578	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
579	<	l.add(new StringTask());
580	<	List<Future<String>> result = e.invokeAll(l, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
581	<	assertEquals(3, result.size());
582	<	Iterator<Future<String>> it = result.iterator();
583	<	Future<String> f1 = it.next();
584	<	Future<String> f2 = it.next();
585	<	Future<String> f3 = it.next();
586	<	assertTrue(f1.isDone());
587	<	assertFalse(f1.isCancelled());
588	<	assertTrue(f2.isDone());
589	<	assertTrue(f3.isDone());
590	<	assertTrue(f3.isCancelled());
591	<	} catch(Exception ex) {
592	<	unexpectedException();
593	<	} finally {
594	<	joinPool(e);
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		}
603		}
604

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