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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.10 by dl, Mon Dec 22 00:48:56 2003 UTC vs.
Revision 1.62 by jsr166, Sun Oct 4 08:07:31 2015 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 junit.framework.*;
10	<	import java.util.*;
11	<	import java.util.concurrent.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.SECONDS;
11	>
12	>	import java.util.ArrayList;
13	>	import java.util.HashSet;
14	>	import java.util.List;
15	>	import java.util.concurrent.BlockingQueue;
16	>	import java.util.concurrent.Callable;
17	>	import java.util.concurrent.CancellationException;
18	>	import java.util.concurrent.CountDownLatch;
19	>	import java.util.concurrent.ExecutionException;
20	>	import java.util.concurrent.Executors;
21	>	import java.util.concurrent.ExecutorService;
22	>	import java.util.concurrent.Future;
23	>	import java.util.concurrent.RejectedExecutionException;
24	>	import java.util.concurrent.ScheduledFuture;
25	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
26	>	import java.util.concurrent.ThreadFactory;
27	>	import java.util.concurrent.ThreadPoolExecutor;
28	>	import java.util.concurrent.atomic.AtomicInteger;
29	>
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32
33		public class ScheduledExecutorTest 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(ScheduledExecutorTest.class);
38	>	return new TestSuite(ScheduledExecutorTest.class);
39		}
40
20	–
41		/**
42		* execute successfully executes a runnable
43		*/
44	<	public void testExecute() {
45	<	try {
46	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
47	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
48	<	p1.execute(runnable);
49	<	assertFalse(runnable.done);
50	<	Thread.sleep(SHORT_DELAY_MS);
51	<	p1.shutdown();
32	<	try {
33	<	Thread.sleep(MEDIUM_DELAY_MS);
34	<	} catch(InterruptedException e){
35	<	unexpectedException();
36	<	}
37	<	assertTrue(runnable.done);
38	<	p1.shutdown();
39	<	joinPool(p1);
40	<	}
41	<	catch(Exception e){
42	<	unexpectedException();
44	>	public void testExecute() throws InterruptedException {
45	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
46	>	try (PoolCleaner cleaner = cleaner(p)) {
47	>	final CountDownLatch done = new CountDownLatch(1);
48	>	final Runnable task = new CheckedRunnable() {
49	>	public void realRun() { done.countDown(); }};
50	>	p.execute(task);
51	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
52		}
44	–
53		}
54
47	–
55		/**
56		* delayed schedule of callable successfully executes after delay
57		*/
58	<	public void testSchedule1() {
59	<	try {
60	<	TrackedCallable callable = new TrackedCallable();
61	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
62	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
63	<	assertFalse(callable.done);
64	<	Thread.sleep(MEDIUM_DELAY_MS);
65	<	assertTrue(callable.done);
66	<	assertEquals(Boolean.TRUE, f.get());
67	<	p1.shutdown();
68	<	joinPool(p1);
69	<	} catch(RejectedExecutionException e){}
70	<	catch(Exception e){
71	<	e.printStackTrace();
72	<	unexpectedException();
58	>	public void testSchedule1() throws Exception {
59	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
60	>	try (PoolCleaner cleaner = cleaner(p)) {
61	>	final long startTime = System.nanoTime();
62	>	final CountDownLatch done = new CountDownLatch(1);
63	>	Callable task = new CheckedCallable<Boolean>() {
64	>	public Boolean realCall() {
65	>	done.countDown();
66	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
67	>	return Boolean.TRUE;
68	>	}};
69	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
70	>	assertSame(Boolean.TRUE, f.get());
71	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
72	>	assertTrue(done.await(0L, MILLISECONDS));
73		}
74		}
75
76		/**
77	<	*  delayed schedule of runnable successfully executes after delay
78	<	*/
79	<	public void testSchedule3() {
80	<	try {
81	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
82	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
83	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
84	<	Thread.sleep(SHORT_DELAY_MS);
85	<	assertFalse(runnable.done);
86	<	Thread.sleep(MEDIUM_DELAY_MS);
87	<	assertTrue(runnable.done);
88	<	p1.shutdown();
89	<	joinPool(p1);
90	<	} catch(Exception e){
91	<	unexpectedException();
77	>	* delayed schedule of runnable successfully executes after delay
78	>	*/
79	>	public void testSchedule3() throws Exception {
80	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
81	>	try (PoolCleaner cleaner = cleaner(p)) {
82	>	final long startTime = System.nanoTime();
83	>	final CountDownLatch done = new CountDownLatch(1);
84	>	Runnable task = new CheckedRunnable() {
85	>	public void realRun() {
86	>	done.countDown();
87	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
88	>	}};
89	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
90	>	await(done);
91	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
92	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
93		}
94		}
95	<
95	>
96		/**
97		* scheduleAtFixedRate executes runnable after given initial delay
98		*/
99	<	public void testSchedule4() {
100	<	try {
101	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
102	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
103	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
104	<	assertFalse(runnable.done);
105	<	Thread.sleep(MEDIUM_DELAY_MS);
106	<	assertTrue(runnable.done);
107	<	h.cancel(true);
108	<	p1.shutdown();
109	<	joinPool(p1);
110	<	} catch(Exception e){
111	<	unexpectedException();
99	>	public void testSchedule4() throws Exception {
100	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
101	>	try (PoolCleaner cleaner = cleaner(p)) {
102	>	final long startTime = System.nanoTime();
103	>	final CountDownLatch done = new CountDownLatch(1);
104	>	Runnable task = new CheckedRunnable() {
105	>	public void realRun() {
106	>	done.countDown();
107	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
108	>	}};
109	>	ScheduledFuture f =
110	>	p.scheduleAtFixedRate(task, timeoutMillis(),
111	>	LONG_DELAY_MS, MILLISECONDS);
112	>	await(done);
113	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
114	>	f.cancel(true);
115		}
116		}
117
118		/**
119		* scheduleWithFixedDelay executes runnable after given initial delay
120		*/
121	<	public void testSchedule5() {
122	<	try {
123	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
124	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
125	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
126	<	assertFalse(runnable.done);
127	<	Thread.sleep(MEDIUM_DELAY_MS);
128	<	assertTrue(runnable.done);
129	<	h.cancel(true);
130	<	p1.shutdown();
131	<	joinPool(p1);
132	<	} catch(Exception e){
133	<	unexpectedException();
121	>	public void testSchedule5() throws Exception {
122	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
123	>	try (PoolCleaner cleaner = cleaner(p)) {
124	>	final long startTime = System.nanoTime();
125	>	final CountDownLatch done = new CountDownLatch(1);
126	>	Runnable task = new CheckedRunnable() {
127	>	public void realRun() {
128	>	done.countDown();
129	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
130	>	}};
131	>	ScheduledFuture f =
132	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
133	>	LONG_DELAY_MS, MILLISECONDS);
134	>	await(done);
135	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
136	>	f.cancel(true);
137		}
138		}
139	<
139	>
140	>	static class RunnableCounter implements Runnable {
141	>	AtomicInteger count = new AtomicInteger(0);
142	>	public void run() { count.getAndIncrement(); }
143	>	}
144	>
145		/**
146	<	*  execute (null) throws NPE
146	>	* scheduleAtFixedRate executes series of tasks at given rate
147	>	*/
148	>	public void testFixedRateSequence() throws InterruptedException {
149	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
150	>	try (PoolCleaner cleaner = cleaner(p)) {
151	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
152	>	long startTime = System.nanoTime();
153	>	int cycles = 10;
154	>	final CountDownLatch done = new CountDownLatch(cycles);
155	>	Runnable task = new CheckedRunnable() {
156	>	public void realRun() { done.countDown(); }};
157	>	ScheduledFuture h =
158	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
159	>	done.await();
160	>	h.cancel(true);
161	>	double normalizedTime =
162	>	(double) millisElapsedSince(startTime) / delay;
163	>	if (normalizedTime >= cycles - 1 &&
164	>	normalizedTime <= cycles)
165	>	return;
166	>	}
167	>	throw new AssertionError("unexpected execution rate");
168	>	}
169	>	}
170	>
171	>	/**
172	>	* scheduleWithFixedDelay executes series of tasks with given period
173		*/
174	<	public void testExecuteNull() {
175	<	ScheduledThreadPoolExecutor se = null;
176	<	try {
177	<	se = new ScheduledThreadPoolExecutor(1);
178	<	se.execute(null);
179	<	shouldThrow();
180	<	} catch(NullPointerException success){}
181	<	catch(Exception e){
182	<	unexpectedException();
174	>	public void testFixedDelaySequence() throws InterruptedException {
175	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
176	>	try (PoolCleaner cleaner = cleaner(p)) {
177	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
178	>	long startTime = System.nanoTime();
179	>	int cycles = 10;
180	>	final CountDownLatch done = new CountDownLatch(cycles);
181	>	Runnable task = new CheckedRunnable() {
182	>	public void realRun() { done.countDown(); }};
183	>	ScheduledFuture h =
184	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
185	>	done.await();
186	>	h.cancel(true);
187	>	double normalizedTime =
188	>	(double) millisElapsedSince(startTime) / delay;
189	>	if (normalizedTime >= cycles - 1 &&
190	>	normalizedTime <= cycles)
191	>	return;
192	>	}
193	>	throw new AssertionError("unexpected execution rate");
194		}
139	–
140	–	joinPool(se);
195		}
196
197		/**
198	<	* schedule (null) throws NPE
198	>	* execute(null) throws NPE
199		*/
200	<	public void testScheduleNull() {
201	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
202	<	try {
203	<	TrackedCallable callable = null;
204	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
205	<	shouldThrow();
206	<	} catch(NullPointerException success){}
153	<	catch(Exception e){
154	<	unexpectedException();
200	>	public void testExecuteNull() throws InterruptedException {
201	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
202	>	try (PoolCleaner cleaner = cleaner(p)) {
203	>	try {
204	>	p.execute(null);
205	>	shouldThrow();
206	>	} catch (NullPointerException success) {}
207		}
156	–	joinPool(se);
208		}
209	<
209	>
210		/**
211	<	* execute throws RejectedExecutionException if shutdown
211	>	* schedule(null) throws NPE
212		*/
213	<	public void testSchedule1_RejectedExecutionException() {
214	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
215	<	try {
216	<	se.shutdown();
217	<	se.schedule(new NoOpRunnable(),
218	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
219	<	shouldThrow();
220	<	} catch(RejectedExecutionException success){
213	>	public void testScheduleNull() throws InterruptedException {
214	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
215	>	try (PoolCleaner cleaner = cleaner(p)) {
216	>	try {
217	>	TrackedCallable callable = null;
218	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
219	>	shouldThrow();
220	>	} catch (NullPointerException success) {}
221		}
222	<	joinPool(se);
222	>	}
223
224	+	/**
225	+	* execute throws RejectedExecutionException if shutdown
226	+	*/
227	+	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
228	+	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
229	+	try (PoolCleaner cleaner = cleaner(p)) {
230	+	try {
231	+	p.shutdown();
232	+	p.schedule(new NoOpRunnable(),
233	+	MEDIUM_DELAY_MS, MILLISECONDS);
234	+	shouldThrow();
235	+	} catch (RejectedExecutionException success) {
236	+	} catch (SecurityException ok) {}
237	+	}
238		}
239
240		/**
241		* schedule throws RejectedExecutionException if shutdown
242		*/
243	<	public void testSchedule2_RejectedExecutionException() {
244	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
245	<	try {
246	<	se.shutdown();
247	<	se.schedule(new NoOpCallable(),
248	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
249	<	shouldThrow();
250	<	} catch(RejectedExecutionException success){
243	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
244	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
245	>	try (PoolCleaner cleaner = cleaner(p)) {
246	>	try {
247	>	p.shutdown();
248	>	p.schedule(new NoOpCallable(),
249	>	MEDIUM_DELAY_MS, MILLISECONDS);
250	>	shouldThrow();
251	>	} catch (RejectedExecutionException success) {
252	>	} catch (SecurityException ok) {}
253		}
187	–	joinPool(se);
254		}
255
256		/**
257		* schedule callable throws RejectedExecutionException if shutdown
258		*/
259	<	public void testSchedule3_RejectedExecutionException() {
260	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
261	<	try {
262	<	se.shutdown();
263	<	se.schedule(new NoOpCallable(),
264	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
265	<	shouldThrow();
266	<	} catch(RejectedExecutionException success){
267	<	}
268	<	joinPool(se);
259	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
260	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
261	>	try (PoolCleaner cleaner = cleaner(p)) {
262	>	try {
263	>	p.shutdown();
264	>	p.schedule(new NoOpCallable(),
265	>	MEDIUM_DELAY_MS, MILLISECONDS);
266	>	shouldThrow();
267	>	} catch (RejectedExecutionException success) {
268	>	} catch (SecurityException ok) {}
269	>	}
270		}
271
272		/**
273	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
274	<	*/
275	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
276	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
277	<	try {
278	<	se.shutdown();
279	<	se.scheduleAtFixedRate(new NoOpRunnable(),
280	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
281	<	shouldThrow();
282	<	} catch(RejectedExecutionException success){
283	<	}
284	<	joinPool(se);
273	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
274	>	*/
275	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
276	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
277	>	try (PoolCleaner cleaner = cleaner(p)) {
278	>	try {
279	>	p.shutdown();
280	>	p.scheduleAtFixedRate(new NoOpRunnable(),
281	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
282	>	shouldThrow();
283	>	} catch (RejectedExecutionException success) {
284	>	} catch (SecurityException ok) {}
285	>	}
286		}
287	<
287	>
288		/**
289		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
290		*/
291	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
292	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
293	<	try {
294	<	se.shutdown();
295	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
296	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
297	<	shouldThrow();
298	<	} catch(RejectedExecutionException success){
299	<	}
300	<	joinPool(se);
291	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
292	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
293	>	try (PoolCleaner cleaner = cleaner(p)) {
294	>	try {
295	>	p.shutdown();
296	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
297	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
298	>	shouldThrow();
299	>	} catch (RejectedExecutionException success) {
300	>	} catch (SecurityException ok) {}
301	>	}
302		}
303
304		/**
305	<	*  getActiveCount increases but doesn't overestimate, when a
306	<	*  thread becomes active
307	<	*/
308	<	public void testGetActiveCount() {
309	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
310	<	assertEquals(0, p2.getActiveCount());
311	<	p2.execute(new SmallRunnable());
312	<	try {
313	<	Thread.sleep(SHORT_DELAY_MS);
314	<	} catch(Exception e){
315	<	unexpectedException();
316	<	}
317	<	assertEquals(1, p2.getActiveCount());
318	<	joinPool(p2);
319	<	}
320	<
321	<	/**
322	<	*    getCompletedTaskCount increases, but doesn't overestimate,
254	<	*   when tasks complete
255	<	*/
256	<	public void testGetCompletedTaskCount() {
257	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
258	<	assertEquals(0, p2.getCompletedTaskCount());
259	<	p2.execute(new SmallRunnable());
260	<	try {
261	<	Thread.sleep(MEDIUM_DELAY_MS);
262	<	} catch(Exception e){
263	<	unexpectedException();
305	>	* getActiveCount increases but doesn't overestimate, when a
306	>	* thread becomes active
307	>	*/
308	>	public void testGetActiveCount() throws InterruptedException {
309	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
310	>	try (PoolCleaner cleaner = cleaner(p)) {
311	>	final CountDownLatch threadStarted = new CountDownLatch(1);
312	>	final CountDownLatch done = new CountDownLatch(1);
313	>	assertEquals(0, p.getActiveCount());
314	>	p.execute(new CheckedRunnable() {
315	>	public void realRun() throws InterruptedException {
316	>	threadStarted.countDown();
317	>	assertEquals(1, p.getActiveCount());
318	>	done.await();
319	>	}});
320	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
321	>	assertEquals(1, p.getActiveCount());
322	>	done.countDown();
323		}
265	–	assertEquals(1, p2.getCompletedTaskCount());
266	–	joinPool(p2);
324		}
325	<
325	>
326		/**
327	<	*  getCorePoolSize returns size given in constructor if not otherwise set
328	<	*/
329	<	public void testGetCorePoolSize() {
330	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
331	<	assertEquals(1, p1.getCorePoolSize());
332	<	joinPool(p1);
327	>	* getCompletedTaskCount increases, but doesn't overestimate,
328	>	* when tasks complete
329	>	*/
330	>	public void testGetCompletedTaskCount() throws InterruptedException {
331	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
332	>	try (PoolCleaner cleaner = cleaner(p)) {
333	>	final CountDownLatch threadStarted = new CountDownLatch(1);
334	>	final CountDownLatch threadProceed = new CountDownLatch(1);
335	>	final CountDownLatch threadDone = new CountDownLatch(1);
336	>	assertEquals(0, p.getCompletedTaskCount());
337	>	p.execute(new CheckedRunnable() {
338	>	public void realRun() throws InterruptedException {
339	>	threadStarted.countDown();
340	>	assertEquals(0, p.getCompletedTaskCount());
341	>	threadProceed.await();
342	>	threadDone.countDown();
343	>	}});
344	>	await(threadStarted);
345	>	assertEquals(0, p.getCompletedTaskCount());
346	>	threadProceed.countDown();
347	>	threadDone.await();
348	>	long startTime = System.nanoTime();
349	>	while (p.getCompletedTaskCount() != 1) {
350	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
351	>	fail("timed out");
352	>	Thread.yield();
353	>	}
354	>	}
355		}
356	<
356	>
357		/**
358	<	*    getLargestPoolSize increases, but doesn't overestimate, when
280	<	*   multiple threads active
358	>	* getCorePoolSize returns size given in constructor if not otherwise set
359		*/
360	<	public void testGetLargestPoolSize() {
361	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
362	<	assertEquals(0, p2.getLargestPoolSize());
363	<	p2.execute(new SmallRunnable());
364	<	p2.execute(new SmallRunnable());
365	<	try {
366	<	Thread.sleep(SHORT_DELAY_MS);
367	<	} catch(Exception e){
368	<	unexpectedException();
369	<	}
370	<	assertEquals(2, p2.getLargestPoolSize());
371	<	joinPool(p2);
372	<	}
373	<
374	<	/**
375	<	*   getPoolSize increases, but doesn't overestimate, when threads
376	<	*   become active
377	<	*/
378	<	public void testGetPoolSize() {
379	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
380	<	assertEquals(0, p1.getPoolSize());
381	<	p1.execute(new SmallRunnable());
382	<	assertEquals(1, p1.getPoolSize());
383	<	joinPool(p1);
384	<	}
385	<
386	<	/**
387	<	*    getTaskCount increases, but doesn't overestimate, when tasks
388	<	*    submitted
389	<	*/
390	<	public void testGetTaskCount() {
391	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
392	<	assertEquals(0, p1.getTaskCount());
393	<	for(int i = 0; i < 5; i++)
394	<	p1.execute(new SmallRunnable());
395	<	try {
396	<	Thread.sleep(SHORT_DELAY_MS);
397	<	} catch(Exception e){
398	<	unexpectedException();
360	>	public void testGetCorePoolSize() throws InterruptedException {
361	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
362	>	try (PoolCleaner cleaner = cleaner(p)) {
363	>	assertEquals(1, p.getCorePoolSize());
364	>	}
365	>	}
366	>
367	>	/**
368	>	* getLargestPoolSize increases, but doesn't overestimate, when
369	>	* multiple threads active
370	>	*/
371	>	public void testGetLargestPoolSize() throws InterruptedException {
372	>	final int THREADS = 3;
373	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
374	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
375	>	final CountDownLatch done = new CountDownLatch(1);
376	>	try (PoolCleaner cleaner = cleaner(p)) {
377	>	assertEquals(0, p.getLargestPoolSize());
378	>	for (int i = 0; i < THREADS; i++)
379	>	p.execute(new CheckedRunnable() {
380	>	public void realRun() throws InterruptedException {
381	>	threadsStarted.countDown();
382	>	done.await();
383	>	assertEquals(THREADS, p.getLargestPoolSize());
384	>	}});
385	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
386	>	assertEquals(THREADS, p.getLargestPoolSize());
387	>	done.countDown();
388	>	}
389	>	assertEquals(THREADS, p.getLargestPoolSize());
390	>	}
391	>
392	>	/**
393	>	* getPoolSize increases, but doesn't overestimate, when threads
394	>	* become active
395	>	*/
396	>	public void testGetPoolSize() throws InterruptedException {
397	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
398	>	final CountDownLatch threadStarted = new CountDownLatch(1);
399	>	final CountDownLatch done = new CountDownLatch(1);
400	>	try (PoolCleaner cleaner = cleaner(p)) {
401	>	assertEquals(0, p.getPoolSize());
402	>	p.execute(new CheckedRunnable() {
403	>	public void realRun() throws InterruptedException {
404	>	threadStarted.countDown();
405	>	assertEquals(1, p.getPoolSize());
406	>	done.await();
407	>	}});
408	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
409	>	assertEquals(1, p.getPoolSize());
410	>	done.countDown();
411	>	}
412	>	}
413	>
414	>	/**
415	>	* getTaskCount increases, but doesn't overestimate, when tasks
416	>	* submitted
417	>	*/
418	>	public void testGetTaskCount() throws InterruptedException {
419	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
420	>	try (PoolCleaner cleaner = cleaner(p)) {
421	>	final CountDownLatch threadStarted = new CountDownLatch(1);
422	>	final CountDownLatch done = new CountDownLatch(1);
423	>	final int TASKS = 5;
424	>	assertEquals(0, p.getTaskCount());
425	>	for (int i = 0; i < TASKS; i++)
426	>	p.execute(new CheckedRunnable() {
427	>	public void realRun() throws InterruptedException {
428	>	threadStarted.countDown();
429	>	done.await();
430	>	}});
431	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
432	>	assertEquals(TASKS, p.getTaskCount());
433	>	done.countDown();
434		}
322	–	assertEquals(5, p1.getTaskCount());
323	–	joinPool(p1);
435		}
436
437	<	/**
437	>	/**
438		* getThreadFactory returns factory in constructor if not set
439		*/
440	<	public void testGetThreadFactory() {
441	<	ThreadFactory tf = new SimpleThreadFactory();
442	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
443	<	assertSame(tf, p.getThreadFactory());
333	<	p.shutdown();
440	>	public void testGetThreadFactory() throws InterruptedException {
441	>	ThreadFactory threadFactory = new SimpleThreadFactory();
442	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, threadFactory);
443	>	assertSame(threadFactory, p.getThreadFactory());
444		joinPool(p);
445		}
446
447	<	/**
447	>	/**
448		* setThreadFactory sets the thread factory returned by getThreadFactory
449		*/
450	<	public void testSetThreadFactory() {
451	<	ThreadFactory tf = new SimpleThreadFactory();
452	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
453	<	p.setThreadFactory(tf);
454	<	assertSame(tf, p.getThreadFactory());
455	<	p.shutdown();
456	<	joinPool(p);
450	>	public void testSetThreadFactory() throws InterruptedException {
451	>	ThreadFactory threadFactory = new SimpleThreadFactory();
452	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
453	>	try (PoolCleaner cleaner = cleaner(p)) {
454	>	p.setThreadFactory(threadFactory);
455	>	assertSame(threadFactory, p.getThreadFactory());
456	>	}
457		}
458
459	<	/**
459	>	/**
460		* setThreadFactory(null) throws NPE
461		*/
462	<	public void testSetThreadFactoryNull() {
463	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
464	<	try {
465	<	p.setThreadFactory(null);
466	<	shouldThrow();
467	<	} catch (NullPointerException success) {
468	<	} finally {
359	<	joinPool(p);
462	>	public void testSetThreadFactoryNull() throws InterruptedException {
463	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
464	>	try (PoolCleaner cleaner = cleaner(p)) {
465	>	try {
466	>	p.setThreadFactory(null);
467	>	shouldThrow();
468	>	} catch (NullPointerException success) {}
469		}
470		}
471	<
471	>
472		/**
473	<	*   is isShutDown is false before shutdown, true after
473	>	* isShutdown is false before shutdown, true after
474		*/
475		public void testIsShutdown() {
476	<
477	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
476	>
477	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
478		try {
479	<	assertFalse(p1.isShutdown());
479	>	assertFalse(p.isShutdown());
480		}
481		finally {
482	<	p1.shutdown();
482	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
483		}
484	<	assertTrue(p1.isShutdown());
484	>	assertTrue(p.isShutdown());
485		}
486
378	–
487		/**
488	<	*   isTerminated is false before termination, true after
488	>	* isTerminated is false before termination, true after
489		*/
490	<	public void testIsTerminated() {
491	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
492	<	try {
493	<	p1.execute(new SmallRunnable());
494	<	} finally {
495	<	p1.shutdown();
490	>	public void testIsTerminated() throws InterruptedException {
491	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
492	>	try (PoolCleaner cleaner = cleaner(p)) {
493	>	final CountDownLatch threadStarted = new CountDownLatch(1);
494	>	final CountDownLatch done = new CountDownLatch(1);
495	>	assertFalse(p.isTerminated());
496	>	p.execute(new CheckedRunnable() {
497	>	public void realRun() throws InterruptedException {
498	>	assertFalse(p.isTerminated());
499	>	threadStarted.countDown();
500	>	done.await();
501	>	}});
502	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
503	>	assertFalse(p.isTerminating());
504	>	done.countDown();
505	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
506	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
507	>	assertTrue(p.isTerminated());
508		}
389	–	try {
390	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
391	–	assertTrue(p1.isTerminated());
392	–	} catch(Exception e){
393	–	unexpectedException();
394	–	}
509		}
510
511		/**
512	<	*  isTerminating is not true when running or when terminated
513	<	*/
514	<	public void testIsTerminating() {
515	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
516	<	assertFalse(p1.isTerminating());
517	<	try {
518	<	p1.execute(new SmallRunnable());
519	<	assertFalse(p1.isTerminating());
520	<	} finally {
521	<	p1.shutdown();
512	>	* isTerminating is not true when running or when terminated
513	>	*/
514	>	public void testIsTerminating() throws InterruptedException {
515	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
516	>	final CountDownLatch threadStarted = new CountDownLatch(1);
517	>	final CountDownLatch done = new CountDownLatch(1);
518	>	try (PoolCleaner cleaner = cleaner(p)) {
519	>	assertFalse(p.isTerminating());
520	>	p.execute(new CheckedRunnable() {
521	>	public void realRun() throws InterruptedException {
522	>	assertFalse(p.isTerminating());
523	>	threadStarted.countDown();
524	>	done.await();
525	>	}});
526	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
527	>	assertFalse(p.isTerminating());
528	>	done.countDown();
529	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
530	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
531	>	assertTrue(p.isTerminated());
532	>	assertFalse(p.isTerminating());
533		}
409	–	try {
410	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
411	–	assertTrue(p1.isTerminated());
412	–	assertFalse(p1.isTerminating());
413	–	} catch(Exception e){
414	–	unexpectedException();
415	–	}
534		}
535
536		/**
537		* getQueue returns the work queue, which contains queued tasks
538		*/
539	<	public void testGetQueue() {
540	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
541	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
542	<	for(int i = 0; i < 5; i++){
543	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
544	<	}
545	<	try {
546	<	Thread.sleep(SHORT_DELAY_MS);
547	<	BlockingQueue<Runnable> q = p1.getQueue();
548	<	assertTrue(q.contains(tasks[4]));
539	>	public void testGetQueue() throws InterruptedException {
540	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
541	>	try (PoolCleaner cleaner = cleaner(p)) {
542	>	final CountDownLatch threadStarted = new CountDownLatch(1);
543	>	final CountDownLatch done = new CountDownLatch(1);
544	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
545	>	for (int i = 0; i < tasks.length; i++) {
546	>	Runnable r = new CheckedRunnable() {
547	>	public void realRun() throws InterruptedException {
548	>	threadStarted.countDown();
549	>	done.await();
550	>	}};
551	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
552	>	}
553	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
554	>	BlockingQueue<Runnable> q = p.getQueue();
555	>	assertTrue(q.contains(tasks[tasks.length - 1]));
556		assertFalse(q.contains(tasks[0]));
557	<	p1.shutdownNow();
433	<	} catch(Exception e) {
434	<	unexpectedException();
435	<	} finally {
436	<	joinPool(p1);
557	>	done.countDown();
558		}
559		}
560
561		/**
562		* remove(task) removes queued task, and fails to remove active task
563		*/
564	<	public void testRemove() {
565	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
566	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
567	<	for(int i = 0; i < 5; i++){
568	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
569	<	}
570	<	try {
571	<	Thread.sleep(SHORT_DELAY_MS);
572	<	BlockingQueue<Runnable> q = p1.getQueue();
573	<	assertFalse(p1.remove((Runnable)tasks[0]));
564	>	public void testRemove() throws InterruptedException {
565	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
566	>	try (PoolCleaner cleaner = cleaner(p)) {
567	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
568	>	final CountDownLatch threadStarted = new CountDownLatch(1);
569	>	final CountDownLatch done = new CountDownLatch(1);
570	>	for (int i = 0; i < tasks.length; i++) {
571	>	Runnable r = new CheckedRunnable() {
572	>	public void realRun() throws InterruptedException {
573	>	threadStarted.countDown();
574	>	done.await();
575	>	}};
576	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
577	>	}
578	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
579	>	BlockingQueue<Runnable> q = p.getQueue();
580	>	assertFalse(p.remove((Runnable)tasks[0]));
581		assertTrue(q.contains((Runnable)tasks[4]));
582		assertTrue(q.contains((Runnable)tasks[3]));
583	<	assertTrue(p1.remove((Runnable)tasks[4]));
584	<	assertFalse(p1.remove((Runnable)tasks[4]));
583	>	assertTrue(p.remove((Runnable)tasks[4]));
584	>	assertFalse(p.remove((Runnable)tasks[4]));
585		assertFalse(q.contains((Runnable)tasks[4]));
586		assertTrue(q.contains((Runnable)tasks[3]));
587	<	assertTrue(p1.remove((Runnable)tasks[3]));
587	>	assertTrue(p.remove((Runnable)tasks[3]));
588		assertFalse(q.contains((Runnable)tasks[3]));
589	<	p1.shutdownNow();
462	<	} catch(Exception e) {
463	<	unexpectedException();
464	<	} finally {
465	<	joinPool(p1);
589	>	done.countDown();
590		}
591		}
592
593		/**
594	<	*  purge removes cancelled tasks from the queue
594	>	* purge eventually removes cancelled tasks from the queue
595		*/
596	<	public void testPurge() {
597	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
596	>	public void testPurge() throws InterruptedException {
597	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
598		ScheduledFuture[] tasks = new ScheduledFuture[5];
599	<	for(int i = 0; i < 5; i++){
600	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
599	>	for (int i = 0; i < tasks.length; i++)
600	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
601	>	LONG_DELAY_MS, MILLISECONDS);
602	>	try {
603	>	int max = tasks.length;
604	>	if (tasks[4].cancel(true)) --max;
605	>	if (tasks[3].cancel(true)) --max;
606	>	// There must eventually be an interference-free point at
607	>	// which purge will not fail. (At worst, when queue is empty.)
608	>	long startTime = System.nanoTime();
609	>	do {
610	>	p.purge();
611	>	long count = p.getTaskCount();
612	>	if (count == max)
613	>	return;
614	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
615	>	fail("Purge failed to remove cancelled tasks");
616	>	} finally {
617	>	for (ScheduledFuture task : tasks)
618	>	task.cancel(true);
619	>	joinPool(p);
620		}
478	–	int max = 5;
479	–	if (tasks[4].cancel(true)) --max;
480	–	if (tasks[3].cancel(true)) --max;
481	–	p1.purge();
482	–	long count = p1.getTaskCount();
483	–	assertTrue(count > 0 && count <= max);
484	–	joinPool(p1);
621		}
622
623		/**
624	<	*  shutDownNow returns a list containing tasks that were not run
624	>	* shutdownNow returns a list containing tasks that were not run,
625	>	* and those tasks are drained from the queue
626		*/
627	<	public void testShutDownNow() {
628	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
629	<	for(int i = 0; i < 5; i++)
630	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
631	<	List l = p1.shutdownNow();
632	<	assertTrue(p1.isShutdown());
633	<	assertTrue(l.size() > 0 && l.size() <= 5);
634	<	joinPool(p1);
627	>	public void testShutdownNow() throws InterruptedException {
628	>	final int poolSize = 2;
629	>	final int count = 5;
630	>	final AtomicInteger ran = new AtomicInteger(0);
631	>	final ScheduledThreadPoolExecutor p =
632	>	new ScheduledThreadPoolExecutor(poolSize);
633	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
634	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
635	>	threadsStarted.countDown();
636	>	try {
637	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
638	>	} catch (InterruptedException success) {}
639	>	ran.getAndIncrement();
640	>	}};
641	>	for (int i = 0; i < count; i++)
642	>	p.execute(waiter);
643	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
644	>	assertEquals(poolSize, p.getActiveCount());
645	>	assertEquals(0, p.getCompletedTaskCount());
646	>	final List<Runnable> queuedTasks;
647	>	try {
648	>	queuedTasks = p.shutdownNow();
649	>	} catch (SecurityException ok) {
650	>	return; // Allowed in case test doesn't have privs
651	>	}
652	>	assertTrue(p.isShutdown());
653	>	assertTrue(p.getQueue().isEmpty());
654	>	assertEquals(count - poolSize, queuedTasks.size());
655	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
656	>	assertTrue(p.isTerminated());
657	>	assertEquals(poolSize, ran.get());
658	>	assertEquals(poolSize, p.getCompletedTaskCount());
659	>	}
660	>
661	>	/**
662	>	* shutdownNow returns a list containing tasks that were not run,
663	>	* and those tasks are drained from the queue
664	>	*/
665	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
666	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
667	>	List<ScheduledFuture> tasks = new ArrayList<>();
668	>	for (int i = 0; i < 3; i++) {
669	>	Runnable r = new NoOpRunnable();
670	>	tasks.add(p.schedule(r, 9, SECONDS));
671	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
672	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
673	>	}
674	>	if (testImplementationDetails)
675	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
676	>	final List<Runnable> queuedTasks;
677	>	try {
678	>	queuedTasks = p.shutdownNow();
679	>	} catch (SecurityException ok) {
680	>	return; // Allowed in case test doesn't have privs
681	>	}
682	>	assertTrue(p.isShutdown());
683	>	assertTrue(p.getQueue().isEmpty());
684	>	if (testImplementationDetails)
685	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
686	>	assertEquals(tasks.size(), queuedTasks.size());
687	>	for (ScheduledFuture task : tasks) {
688	>	assertFalse(task.isDone());
689	>	assertFalse(task.isCancelled());
690	>	}
691	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
692	>	assertTrue(p.isTerminated());
693		}
694
695		/**
696	<	* In default setting, shutdown cancels periodic but not delayed
697	<	* tasks at shutdown
698	<	*/
699	<	public void testShutDown1() {
700	<	try {
701	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
702	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
703	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
704	<
705	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
706	<	for(int i = 0; i < 5; i++)
707	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
708	<	p1.shutdown();
709	<	BlockingQueue q = p1.getQueue();
710	<	for (Iterator it = q.iterator(); it.hasNext();) {
711	<	ScheduledFuture t = (ScheduledFuture)it.next();
712	<	assertFalse(t.isCancelled());
696	>	* By default, periodic tasks are cancelled at shutdown.
697	>	* By default, delayed tasks keep running after shutdown.
698	>	* Check that changing the default values work:
699	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
700	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
701	>	*/
702	>	public void testShutdown_cancellation() throws Exception {
703	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
704	>	for (Boolean policy : allBooleans)
705	>	{
706	>	final int poolSize = 2;
707	>	final ScheduledThreadPoolExecutor p
708	>	= new ScheduledThreadPoolExecutor(poolSize);
709	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
710	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
711	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
712	>	if (policy != null) {
713	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
714	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
715	>	p.setRemoveOnCancelPolicy(policy);
716	>	}
717	>	assertEquals(effectiveDelayedPolicy,
718	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
719	>	assertEquals(effectivePeriodicPolicy,
720	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
721	>	assertEquals(effectiveRemovePolicy,
722	>	p.getRemoveOnCancelPolicy());
723	>	// Strategy: Wedge the pool with poolSize "blocker" threads
724	>	final AtomicInteger ran = new AtomicInteger(0);
725	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
726	>	final CountDownLatch unblock = new CountDownLatch(1);
727	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
728	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
729	>	Runnable task = new CheckedRunnable() { public void realRun()
730	>	throws InterruptedException {
731	>	poolBlocked.countDown();
732	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
733	>	ran.getAndIncrement();
734	>	}};
735	>	List<Future<?>> blockers = new ArrayList<>();
736	>	List<Future<?>> periodics = new ArrayList<>();
737	>	List<Future<?>> delayeds = new ArrayList<>();
738	>	for (int i = 0; i < poolSize; i++)
739	>	blockers.add(p.submit(task));
740	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
741	>
742	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
743	>	1, 1, MILLISECONDS));
744	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
745	>	1, 1, MILLISECONDS));
746	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
747	>
748	>	assertTrue(p.getQueue().containsAll(periodics));
749	>	assertTrue(p.getQueue().containsAll(delayeds));
750	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
751	>	assertTrue(p.isShutdown());
752	>	assertFalse(p.isTerminated());
753	>	for (Future<?> periodic : periodics) {
754	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
755	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
756	>	}
757	>	for (Future<?> delayed : delayeds) {
758	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
759	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
760	>	}
761	>	if (testImplementationDetails) {
762	>	assertEquals(effectivePeriodicPolicy,
763	>	p.getQueue().containsAll(periodics));
764	>	assertEquals(effectiveDelayedPolicy,
765	>	p.getQueue().containsAll(delayeds));
766	>	}
767	>	// Release all pool threads
768	>	unblock.countDown();
769	>
770	>	for (Future<?> delayed : delayeds) {
771	>	if (effectiveDelayedPolicy) {
772	>	assertNull(delayed.get());
773		}
774	<	assertTrue(p1.isShutdown());
775	<	Thread.sleep(SMALL_DELAY_MS);
776	<	for (int i = 0; i < 5; ++i) {
777	<	assertTrue(tasks[i].isDone());
778	<	assertFalse(tasks[i].isCancelled());
774	>	}
775	>	if (effectivePeriodicPolicy) {
776	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
777	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
778	>	for (Future<?> periodic : periodics) {
779	>	assertTrue(periodic.cancel(false));
780	>	assertTrue(periodic.isCancelled());
781	>	assertTrue(periodic.isDone());
782		}
525	–
783		}
784	<	catch(Exception ex) {
785	<	unexpectedException();
784	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
785	>	assertTrue(p.isTerminated());
786	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
787	>	}}
788	>
789	>	/**
790	>	* completed submit of callable returns result
791	>	*/
792	>	public void testSubmitCallable() throws Exception {
793	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
794	>	try (PoolCleaner cleaner = cleaner(e)) {
795	>	Future<String> future = e.submit(new StringTask());
796	>	String result = future.get();
797	>	assertSame(TEST_STRING, result);
798		}
799		}
800
532	–
801		/**
802	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
535	<	* delayed tasks are cancelled at shutdown
802	>	* completed submit of runnable returns successfully
803		*/
804	<	public void testShutDown2() {
805	<	try {
806	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
807	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
808	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
809	<	for(int i = 0; i < 5; i++)
543	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
544	<	p1.shutdown();
545	<	assertTrue(p1.isShutdown());
546	<	BlockingQueue q = p1.getQueue();
547	<	assertTrue(q.isEmpty());
548	<	Thread.sleep(SMALL_DELAY_MS);
549	<	assertTrue(p1.isTerminated());
550	<	}
551	<	catch(Exception ex) {
552	<	unexpectedException();
804	>	public void testSubmitRunnable() throws Exception {
805	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
806	>	try (PoolCleaner cleaner = cleaner(e)) {
807	>	Future<?> future = e.submit(new NoOpRunnable());
808	>	future.get();
809	>	assertTrue(future.isDone());
810		}
811		}
812
556	–
813		/**
814	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
559	<	* periodic tasks are not cancelled at shutdown
814	>	* completed submit of (runnable, result) returns result
815		*/
816	<	public void testShutDown3() {
817	<	try {
818	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
819	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
820	<	ScheduledFuture task =
821	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
567	<	p1.shutdown();
568	<	assertTrue(p1.isShutdown());
569	<	BlockingQueue q = p1.getQueue();
570	<	assertTrue(q.isEmpty());
571	<	Thread.sleep(SHORT_DELAY_MS);
572	<	assertTrue(p1.isTerminated());
573	<	}
574	<	catch(Exception ex) {
575	<	unexpectedException();
816	>	public void testSubmitRunnable2() throws Exception {
817	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
818	>	try (PoolCleaner cleaner = cleaner(e)) {
819	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
820	>	String result = future.get();
821	>	assertSame(TEST_STRING, result);
822		}
823		}
824
825		/**
826	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
581	<	* periodic tasks are cancelled at shutdown
826	>	* invokeAny(null) throws NPE
827		*/
828	<	public void testShutDown4() {
829	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
830	<	try {
831	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
832	<	ScheduledFuture task =
833	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
834	<	assertFalse(task.isCancelled());
590	<	p1.shutdown();
591	<	assertFalse(task.isCancelled());
592	<	assertFalse(p1.isTerminated());
593	<	assertTrue(p1.isShutdown());
594	<	Thread.sleep(SHORT_DELAY_MS);
595	<	assertFalse(task.isCancelled());
596	<	task.cancel(true);
597	<	assertTrue(task.isCancelled());
598	<	Thread.sleep(SHORT_DELAY_MS);
599	<	assertTrue(p1.isTerminated());
600	<	}
601	<	catch(Exception ex) {
602	<	unexpectedException();
603	<	}
604	<	finally {
605	<	p1.shutdownNow();
828	>	public void testInvokeAny1() throws Exception {
829	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
830	>	try (PoolCleaner cleaner = cleaner(e)) {
831	>	try {
832	>	e.invokeAny(null);
833	>	shouldThrow();
834	>	} catch (NullPointerException success) {}
835		}
836		}
837
838		/**
839	<	* completed submit of callable returns result
839	>	* invokeAny(empty collection) throws IAE
840		*/
841	<	public void testSubmitCallable() {
842	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
843	<	try {
844	<	Future<String> future = e.submit(new StringTask());
845	<	String result = future.get();
846	<	assertSame(TEST_STRING, result);
847	<	}
619	<	catch (ExecutionException ex) {
620	<	unexpectedException();
621	<	}
622	<	catch (InterruptedException ex) {
623	<	unexpectedException();
624	<	} finally {
625	<	joinPool(e);
841	>	public void testInvokeAny2() throws Exception {
842	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
843	>	try (PoolCleaner cleaner = cleaner(e)) {
844	>	try {
845	>	e.invokeAny(new ArrayList<Callable<String>>());
846	>	shouldThrow();
847	>	} catch (IllegalArgumentException success) {}
848		}
849		}
850
851		/**
852	<	* completed submit of runnable returns successfully
852	>	* invokeAny(c) throws NPE if c has null elements
853		*/
854	<	public void testSubmitRunnable() {
855	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
856	<	try {
857	<	Future<?> future = e.submit(new NoOpRunnable());
858	<	future.get();
859	<	assertTrue(future.isDone());
860	<	}
861	<	catch (ExecutionException ex) {
862	<	unexpectedException();
854	>	public void testInvokeAny3() throws Exception {
855	>	CountDownLatch latch = new CountDownLatch(1);
856	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
857	>	try (PoolCleaner cleaner = cleaner(e)) {
858	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
859	>	l.add(latchAwaitingStringTask(latch));
860	>	l.add(null);
861	>	try {
862	>	e.invokeAny(l);
863	>	shouldThrow();
864	>	} catch (NullPointerException success) {}
865	>	latch.countDown();
866		}
867	<	catch (InterruptedException ex) {
868	<	unexpectedException();
869	<	} finally {
870	<	joinPool(e);
867	>	}
868	>
869	>	/**
870	>	* invokeAny(c) throws ExecutionException if no task completes
871	>	*/
872	>	public void testInvokeAny4() throws Exception {
873	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
874	>	try (PoolCleaner cleaner = cleaner(e)) {
875	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
876	>	l.add(new NPETask());
877	>	try {
878	>	e.invokeAny(l);
879	>	shouldThrow();
880	>	} catch (ExecutionException success) {
881	>	assertTrue(success.getCause() instanceof NullPointerException);
882	>	}
883		}
884		}
885
886		/**
887	<	* completed submit of (runnable, result) returns result
887	>	* invokeAny(c) returns result of some task
888		*/
889	<	public void testSubmitRunnable2() {
890	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
891	<	try {
892	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
893	<	String result = future.get();
889	>	public void testInvokeAny5() throws Exception {
890	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
891	>	try (PoolCleaner cleaner = cleaner(e)) {
892	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
893	>	l.add(new StringTask());
894	>	l.add(new StringTask());
895	>	String result = e.invokeAny(l);
896		assertSame(TEST_STRING, result);
897		}
898	<	catch (ExecutionException ex) {
899	<	unexpectedException();
898	>	}
899	>
900	>	/**
901	>	* invokeAll(null) throws NPE
902	>	*/
903	>	public void testInvokeAll1() throws Exception {
904	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
905	>	try (PoolCleaner cleaner = cleaner(e)) {
906	>	try {
907	>	e.invokeAll(null);
908	>	shouldThrow();
909	>	} catch (NullPointerException success) {}
910		}
911	<	catch (InterruptedException ex) {
912	<	unexpectedException();
913	<	} finally {
914	<	joinPool(e);
911	>	}
912	>
913	>	/**
914	>	* invokeAll(empty collection) returns empty collection
915	>	*/
916	>	public void testInvokeAll2() throws Exception {
917	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
918	>	try (PoolCleaner cleaner = cleaner(e)) {
919	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
920	>	assertTrue(r.isEmpty());
921		}
922		}
923
924	+	/**
925	+	* invokeAll(c) throws NPE if c has null elements
926	+	*/
927	+	public void testInvokeAll3() throws Exception {
928	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
929	+	try (PoolCleaner cleaner = cleaner(e)) {
930	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
931	+	l.add(new StringTask());
932	+	l.add(null);
933	+	try {
934	+	e.invokeAll(l);
935	+	shouldThrow();
936	+	} catch (NullPointerException success) {}
937	+	}
938	+	}
939
940	+	/**
941	+	* get of invokeAll(c) throws exception on failed task
942	+	*/
943	+	public void testInvokeAll4() throws Exception {
944	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
945	+	try (PoolCleaner cleaner = cleaner(e)) {
946	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
947	+	l.add(new NPETask());
948	+	List<Future<String>> futures = e.invokeAll(l);
949	+	assertEquals(1, futures.size());
950	+	try {
951	+	futures.get(0).get();
952	+	shouldThrow();
953	+	} catch (ExecutionException success) {
954	+	assertTrue(success.getCause() instanceof NullPointerException);
955	+	}
956	+	}
957	+	}
958
959	+	/**
960	+	* invokeAll(c) returns results of all completed tasks
961	+	*/
962	+	public void testInvokeAll5() throws Exception {
963	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
964	+	try (PoolCleaner cleaner = cleaner(e)) {
965	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
966	+	l.add(new StringTask());
967	+	l.add(new StringTask());
968	+	List<Future<String>> futures = e.invokeAll(l);
969	+	assertEquals(2, futures.size());
970	+	for (Future<String> future : futures)
971	+	assertSame(TEST_STRING, future.get());
972	+	}
973	+	}
974
975	+	/**
976	+	* timed invokeAny(null) throws NPE
977	+	*/
978	+	public void testTimedInvokeAny1() throws Exception {
979	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
980	+	try (PoolCleaner cleaner = cleaner(e)) {
981	+	try {
982	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
983	+	shouldThrow();
984	+	} catch (NullPointerException success) {}
985	+	}
986	+	}
987
988		/**
989	<	* invokeAny(null) throws NPE
989	>	* timed invokeAny(,,null) throws NPE
990		*/
991	<	public void testInvokeAny1() {
992	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
993	<	try {
994	<	e.invokeAny(null);
995	<	} catch (NullPointerException success) {
996	<	} catch(Exception ex) {
997	<	unexpectedException();
998	<	} finally {
999	<	joinPool(e);
991	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
992	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
993	>	try (PoolCleaner cleaner = cleaner(e)) {
994	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
995	>	l.add(new StringTask());
996	>	try {
997	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
998	>	shouldThrow();
999	>	} catch (NullPointerException success) {}
1000		}
1001		}
1002
1003		/**
1004	<	* invokeAny(empty collection) throws IAE
1004	>	* timed invokeAny(empty collection) throws IAE
1005		*/
1006	<	public void testInvokeAny2() {
1007	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1008	<	try {
1009	<	e.invokeAny(new ArrayList<Callable<String>>());
1010	<	} catch (IllegalArgumentException success) {
1011	<	} catch(Exception ex) {
1012	<	unexpectedException();
698	<	} finally {
699	<	joinPool(e);
1006	>	public void testTimedInvokeAny2() throws Exception {
1007	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1008	>	try (PoolCleaner cleaner = cleaner(e)) {
1009	>	try {
1010	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1011	>	shouldThrow();
1012	>	} catch (IllegalArgumentException success) {}
1013		}
1014		}
1015
1016		/**
1017	<	* invokeAny(c) throws NPE if c has null elements
1017	>	* timed invokeAny(c) throws NPE if c has null elements
1018		*/
1019	<	public void testInvokeAny3() {
1020	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1021	<	try {
1022	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1023	<	l.add(new StringTask());
1019	>	public void testTimedInvokeAny3() throws Exception {
1020	>	CountDownLatch latch = new CountDownLatch(1);
1021	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1022	>	try (PoolCleaner cleaner = cleaner(e)) {
1023	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1024	>	l.add(latchAwaitingStringTask(latch));
1025		l.add(null);
1026	<	e.invokeAny(l);
1027	<	} catch (NullPointerException success) {
1028	<	} catch(Exception ex) {
1029	<	unexpectedException();
1030	<	} finally {
717	<	joinPool(e);
1026	>	try {
1027	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1028	>	shouldThrow();
1029	>	} catch (NullPointerException success) {}
1030	>	latch.countDown();
1031		}
1032		}
1033
1034		/**
1035	<	* invokeAny(c) throws ExecutionException if no task completes
1035	>	* timed invokeAny(c) throws ExecutionException if no task completes
1036		*/
1037	<	public void testInvokeAny4() {
1038	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1039	<	try {
1040	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1037	>	public void testTimedInvokeAny4() throws Exception {
1038	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1039	>	try (PoolCleaner cleaner = cleaner(e)) {
1040	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1041		l.add(new NPETask());
1042	<	e.invokeAny(l);
1043	<	} catch (ExecutionException success) {
1044	<	} catch(Exception ex) {
1045	<	unexpectedException();
1046	<	} finally {
1047	<	joinPool(e);
1042	>	try {
1043	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1044	>	shouldThrow();
1045	>	} catch (ExecutionException success) {
1046	>	assertTrue(success.getCause() instanceof NullPointerException);
1047	>	}
1048		}
1049		}
1050
1051		/**
1052	<	* invokeAny(c) returns result of some task
1052	>	* timed invokeAny(c) returns result of some task
1053		*/
1054	<	public void testInvokeAny5() {
1055	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	<	try {
1057	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1054	>	public void testTimedInvokeAny5() throws Exception {
1055	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	>	try (PoolCleaner cleaner = cleaner(e)) {
1057	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1058		l.add(new StringTask());
1059		l.add(new StringTask());
1060	<	String result = e.invokeAny(l);
1060	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1061		assertSame(TEST_STRING, result);
749	–	} catch (ExecutionException success) {
750	–	} catch(Exception ex) {
751	–	unexpectedException();
752	–	} finally {
753	–	joinPool(e);
1062		}
1063		}
1064
1065		/**
1066	<	* invokeAll(null) throws NPE
1066	>	* timed invokeAll(null) throws NPE
1067		*/
1068	<	public void testInvokeAll1() {
1069	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1070	<	try {
1071	<	e.invokeAll(null);
1072	<	} catch (NullPointerException success) {
1073	<	} catch(Exception ex) {
1074	<	unexpectedException();
767	<	} finally {
768	<	joinPool(e);
1068	>	public void testTimedInvokeAll1() throws Exception {
1069	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1070	>	try (PoolCleaner cleaner = cleaner(e)) {
1071	>	try {
1072	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1073	>	shouldThrow();
1074	>	} catch (NullPointerException success) {}
1075		}
1076		}
1077
1078		/**
1079	<	* invokeAll(empty collection) returns empty collection
1079	>	* timed invokeAll(,,null) throws NPE
1080		*/
1081	<	public void testInvokeAll2() {
1082	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1083	<	try {
1084	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1081	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1082	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1083	>	try (PoolCleaner cleaner = cleaner(e)) {
1084	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1085	>	l.add(new StringTask());
1086	>	try {
1087	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1088	>	shouldThrow();
1089	>	} catch (NullPointerException success) {}
1090	>	}
1091	>	}
1092	>
1093	>	/**
1094	>	* timed invokeAll(empty collection) returns empty collection
1095	>	*/
1096	>	public void testTimedInvokeAll2() throws Exception {
1097	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1098	>	try (PoolCleaner cleaner = cleaner(e)) {
1099	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1100	>	MEDIUM_DELAY_MS, MILLISECONDS);
1101		assertTrue(r.isEmpty());
780	–	} catch(Exception ex) {
781	–	unexpectedException();
782	–	} finally {
783	–	joinPool(e);
1102		}
1103		}
1104
1105		/**
1106	<	* invokeAll(c) throws NPE if c has null elements
1106	>	* timed invokeAll(c) throws NPE if c has null elements
1107		*/
1108	<	public void testInvokeAll3() {
1109	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1110	<	try {
1111	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1108	>	public void testTimedInvokeAll3() throws Exception {
1109	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1110	>	try (PoolCleaner cleaner = cleaner(e)) {
1111	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1112		l.add(new StringTask());
1113		l.add(null);
1114	<	e.invokeAll(l);
1115	<	} catch (NullPointerException success) {
1116	<	} catch(Exception ex) {
1117	<	unexpectedException();
800	<	} finally {
801	<	joinPool(e);
1114	>	try {
1115	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1116	>	shouldThrow();
1117	>	} catch (NullPointerException success) {}
1118		}
1119		}
1120
1121		/**
1122	<	* get of invokeAll(c) throws exception on failed task
1122	>	* get of element of invokeAll(c) throws exception on failed task
1123		*/
1124	<	public void testInvokeAll4() {
1125	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1126	<	try {
1127	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1124	>	public void testTimedInvokeAll4() throws Exception {
1125	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1126	>	try (PoolCleaner cleaner = cleaner(e)) {
1127	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1128		l.add(new NPETask());
1129	<	List<Future<String>> result = e.invokeAll(l);
1130	<	assertEquals(1, result.size());
1131	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1132	<	it.next().get();
1133	<	} catch(ExecutionException success) {
1134	<	} catch(Exception ex) {
1135	<	unexpectedException();
1136	<	} finally {
1137	<	joinPool(e);
1129	>	List<Future<String>> futures =
1130	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1131	>	assertEquals(1, futures.size());
1132	>	try {
1133	>	futures.get(0).get();
1134	>	shouldThrow();
1135	>	} catch (ExecutionException success) {
1136	>	assertTrue(success.getCause() instanceof NullPointerException);
1137	>	}
1138		}
1139		}
1140
1141		/**
1142	<	* invokeAll(c) returns results of all completed tasks
1142	>	* timed invokeAll(c) returns results of all completed tasks
1143		*/
1144	<	public void testInvokeAll5() {
1145	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1146	<	try {
1147	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1144	>	public void testTimedInvokeAll5() throws Exception {
1145	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1146	>	try (PoolCleaner cleaner = cleaner(e)) {
1147	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1148		l.add(new StringTask());
1149		l.add(new StringTask());
1150	<	List<Future<String>> result = e.invokeAll(l);
1151	<	assertEquals(2, result.size());
1152	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1153	<	assertSame(TEST_STRING, it.next().get());
1154	<	} catch (ExecutionException success) {
839	<	} catch(Exception ex) {
840	<	unexpectedException();
841	<	} finally {
842	<	joinPool(e);
1150	>	List<Future<String>> futures =
1151	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1152	>	assertEquals(2, futures.size());
1153	>	for (Future<String> future : futures)
1154	>	assertSame(TEST_STRING, future.get());
1155		}
1156		}
1157
1158	+	/**
1159	+	* timed invokeAll(c) cancels tasks not completed by timeout
1160	+	*/
1161	+	public void testTimedInvokeAll6() throws Exception {
1162	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1163	+	try (PoolCleaner cleaner = cleaner(e)) {
1164	+	for (long timeout = timeoutMillis();;) {
1165	+	List<Callable<String>> tasks = new ArrayList<>();
1166	+	tasks.add(new StringTask("0"));
1167	+	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1168	+	tasks.add(new StringTask("2"));
1169	+	long startTime = System.nanoTime();
1170	+	List<Future<String>> futures =
1171	+	e.invokeAll(tasks, timeout, MILLISECONDS);
1172	+	assertEquals(tasks.size(), futures.size());
1173	+	assertTrue(millisElapsedSince(startTime) >= timeout);
1174	+	for (Future future : futures)
1175	+	assertTrue(future.isDone());
1176	+	assertTrue(futures.get(1).isCancelled());
1177	+	try {
1178	+	assertEquals("0", futures.get(0).get());
1179	+	assertEquals("2", futures.get(2).get());
1180	+	break;
1181	+	} catch (CancellationException retryWithLongerTimeout) {
1182	+	timeout *= 2;
1183	+	if (timeout >= LONG_DELAY_MS / 2)
1184	+	fail("expected exactly one task to be cancelled");
1185	+	}
1186	+	}
1187	+	}
1188	+	}
1189
1190		}

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