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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 1.83 by jsr166, Wed Jan 4 06:09:58 2017 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import 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.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14	>	import java.util.HashSet;
15	>	import java.util.List;
16	>	import java.util.concurrent.BlockingQueue;
17	>	import java.util.concurrent.Callable;
18	>	import java.util.concurrent.CancellationException;
19	>	import java.util.concurrent.CountDownLatch;
20	>	import java.util.concurrent.ExecutionException;
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.AtomicBoolean;
29	>	import java.util.concurrent.atomic.AtomicInteger;
30	>	import java.util.concurrent.atomic.AtomicLong;
31	>
32	>	import junit.framework.Test;
33	>	import junit.framework.TestSuite;
34
35		public class ScheduledExecutorTest extends JSR166TestCase {
36		public static void main(String[] args) {
37	<	junit.textui.TestRunner.run (suite());
37	>	main(suite(), args);
38		}
39		public static Test suite() {
40	<	return new TestSuite(ScheduledExecutorTest.class);
40	>	return new TestSuite(ScheduledExecutorTest.class);
41		}
42
20	–
43		/**
44		* execute successfully executes a runnable
45		*/
46	<	public void testExecute() {
47	<	try {
48	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
49	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
50	<	p1.execute(runnable);
51	<	assertFalse(runnable.done);
52	<	Thread.sleep(SHORT_DELAY_MS);
53	<	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);
46	>	public void testExecute() throws InterruptedException {
47	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
48	>	try (PoolCleaner cleaner = cleaner(p)) {
49	>	final CountDownLatch done = new CountDownLatch(1);
50	>	final Runnable task = new CheckedRunnable() {
51	>	public void realRun() { done.countDown(); }};
52	>	p.execute(task);
53	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
54		}
41	–	catch(Exception e){
42	–	unexpectedException();
43	–	}
44	–
55		}
56
47	–
57		/**
58		* delayed schedule of callable successfully executes after delay
59		*/
60	<	public void testSchedule1() {
61	<	try {
62	<	TrackedCallable callable = new TrackedCallable();
63	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
64	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
65	<	assertFalse(callable.done);
66	<	Thread.sleep(MEDIUM_DELAY_MS);
67	<	assertTrue(callable.done);
68	<	assertEquals(Boolean.TRUE, f.get());
69	<	p1.shutdown();
70	<	joinPool(p1);
71	<	} catch(RejectedExecutionException e){}
72	<	catch(Exception e){
73	<	e.printStackTrace();
74	<	unexpectedException();
60	>	public void testSchedule1() throws Exception {
61	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
62	>	try (PoolCleaner cleaner = cleaner(p)) {
63	>	final long startTime = System.nanoTime();
64	>	final CountDownLatch done = new CountDownLatch(1);
65	>	Callable task = new CheckedCallable<Boolean>() {
66	>	public Boolean realCall() {
67	>	done.countDown();
68	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
69	>	return Boolean.TRUE;
70	>	}};
71	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
72	>	assertSame(Boolean.TRUE, f.get());
73	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
74	>	assertTrue(done.await(0L, MILLISECONDS));
75		}
76		}
77
78		/**
79	<	*  delayed schedule of runnable successfully executes after delay
80	<	*/
81	<	public void testSchedule3() {
82	<	try {
83	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
84	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
85	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
86	<	Thread.sleep(SHORT_DELAY_MS);
87	<	assertFalse(runnable.done);
88	<	Thread.sleep(MEDIUM_DELAY_MS);
89	<	assertTrue(runnable.done);
90	<	p1.shutdown();
91	<	joinPool(p1);
92	<	} catch(Exception e){
93	<	unexpectedException();
79	>	* delayed schedule of runnable successfully executes after delay
80	>	*/
81	>	public void testSchedule3() throws Exception {
82	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
83	>	try (PoolCleaner cleaner = cleaner(p)) {
84	>	final long startTime = System.nanoTime();
85	>	final CountDownLatch done = new CountDownLatch(1);
86	>	Runnable task = new CheckedRunnable() {
87	>	public void realRun() {
88	>	done.countDown();
89	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
90	>	}};
91	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
92	>	await(done);
93	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
94	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
95		}
96		}
97	<
97	>
98		/**
99		* scheduleAtFixedRate executes runnable after given initial delay
100		*/
101	<	public void testSchedule4() {
102	<	try {
103	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
104	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
105	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
106	<	assertFalse(runnable.done);
107	<	Thread.sleep(MEDIUM_DELAY_MS);
108	<	assertTrue(runnable.done);
109	<	h.cancel(true);
110	<	p1.shutdown();
111	<	joinPool(p1);
112	<	} catch(Exception e){
113	<	unexpectedException();
101	>	public void testSchedule4() throws Exception {
102	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
103	>	try (PoolCleaner cleaner = cleaner(p)) {
104	>	final long startTime = System.nanoTime();
105	>	final CountDownLatch done = new CountDownLatch(1);
106	>	Runnable task = new CheckedRunnable() {
107	>	public void realRun() {
108	>	done.countDown();
109	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
110	>	}};
111	>	ScheduledFuture f =
112	>	p.scheduleAtFixedRate(task, timeoutMillis(),
113	>	LONG_DELAY_MS, MILLISECONDS);
114	>	await(done);
115	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
116	>	f.cancel(true);
117		}
118		}
119
120		/**
121		* scheduleWithFixedDelay executes runnable after given initial delay
122		*/
123	<	public void testSchedule5() {
124	<	try {
125	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
126	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
127	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
128	<	assertFalse(runnable.done);
129	<	Thread.sleep(MEDIUM_DELAY_MS);
130	<	assertTrue(runnable.done);
131	<	h.cancel(true);
132	<	p1.shutdown();
133	<	joinPool(p1);
134	<	} catch(Exception e){
135	<	unexpectedException();
123	>	public void testSchedule5() throws Exception {
124	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
125	>	try (PoolCleaner cleaner = cleaner(p)) {
126	>	final long startTime = System.nanoTime();
127	>	final CountDownLatch done = new CountDownLatch(1);
128	>	Runnable task = new CheckedRunnable() {
129	>	public void realRun() {
130	>	done.countDown();
131	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
132	>	}};
133	>	ScheduledFuture f =
134	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
135	>	LONG_DELAY_MS, MILLISECONDS);
136	>	await(done);
137	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
138	>	f.cancel(true);
139	>	}
140	>	}
141	>
142	>	static class RunnableCounter implements Runnable {
143	>	AtomicInteger count = new AtomicInteger(0);
144	>	public void run() { count.getAndIncrement(); }
145	>	}
146	>
147	>	/**
148	>	* scheduleAtFixedRate executes series of tasks at given rate.
149	>	* Eventually, it must hold that:
150	>	*   cycles - 1 <= elapsedMillis/delay < cycles
151	>	*/
152	>	public void testFixedRateSequence() throws InterruptedException {
153	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
154	>	try (PoolCleaner cleaner = cleaner(p)) {
155	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
156	>	final long startTime = System.nanoTime();
157	>	final int cycles = 8;
158	>	final CountDownLatch done = new CountDownLatch(cycles);
159	>	final Runnable task = new CheckedRunnable() {
160	>	public void realRun() { done.countDown(); }};
161	>	final ScheduledFuture periodicTask =
162	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
163	>	final int totalDelayMillis = (cycles - 1) * delay;
164	>	await(done, totalDelayMillis + LONG_DELAY_MS);
165	>	periodicTask.cancel(true);
166	>	final long elapsedMillis = millisElapsedSince(startTime);
167	>	assertTrue(elapsedMillis >= totalDelayMillis);
168	>	if (elapsedMillis <= cycles * delay)
169	>	return;
170	>	// else retry with longer delay
171	>	}
172	>	fail("unexpected execution rate");
173	>	}
174	>	}
175	>
176	>	/**
177	>	* scheduleWithFixedDelay executes series of tasks with given period.
178	>	* Eventually, it must hold that each task starts at least delay and at
179	>	* most 2 * delay after the termination of the previous task.
180	>	*/
181	>	public void testFixedDelaySequence() throws InterruptedException {
182	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
183	>	try (PoolCleaner cleaner = cleaner(p)) {
184	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
185	>	final long startTime = System.nanoTime();
186	>	final AtomicLong previous = new AtomicLong(startTime);
187	>	final AtomicBoolean tryLongerDelay = new AtomicBoolean(false);
188	>	final int cycles = 8;
189	>	final CountDownLatch done = new CountDownLatch(cycles);
190	>	final int d = delay;
191	>	final Runnable task = new CheckedRunnable() {
192	>	public void realRun() {
193	>	long now = System.nanoTime();
194	>	long elapsedMillis
195	>	= NANOSECONDS.toMillis(now - previous.get());
196	>	if (done.getCount() == cycles) { // first execution
197	>	if (elapsedMillis >= d)
198	>	tryLongerDelay.set(true);
199	>	} else {
200	>	assertTrue(elapsedMillis >= d);
201	>	if (elapsedMillis >= 2 * d)
202	>	tryLongerDelay.set(true);
203	>	}
204	>	previous.set(now);
205	>	done.countDown();
206	>	}};
207	>	final ScheduledFuture periodicTask =
208	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
209	>	final int totalDelayMillis = (cycles - 1) * delay;
210	>	await(done, totalDelayMillis + cycles * LONG_DELAY_MS);
211	>	periodicTask.cancel(true);
212	>	final long elapsedMillis = millisElapsedSince(startTime);
213	>	assertTrue(elapsedMillis >= totalDelayMillis);
214	>	if (!tryLongerDelay.get())
215	>	return;
216	>	// else retry with longer delay
217	>	}
218	>	fail("unexpected execution rate");
219		}
220		}
221	<
221	>
222		/**
223	<	*  execute (null) throws NPE
223	>	* execute(null) throws NPE
224		*/
225	<	public void testExecuteNull() {
226	<	ScheduledThreadPoolExecutor se = null;
227	<	try {
228	<	se = new ScheduledThreadPoolExecutor(1);
229	<	se.execute(null);
230	<	shouldThrow();
231	<	} catch(NullPointerException success){}
136	<	catch(Exception e){
137	<	unexpectedException();
225	>	public void testExecuteNull() throws InterruptedException {
226	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	try {
229	>	p.execute(null);
230	>	shouldThrow();
231	>	} catch (NullPointerException success) {}
232		}
139	–
140	–	joinPool(se);
233		}
234
235		/**
236	<	* schedule (null) throws NPE
236	>	* schedule(null) throws NPE
237		*/
238	<	public void testScheduleNull() {
239	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
240	<	try {
241	<	TrackedCallable callable = null;
242	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
243	<	shouldThrow();
244	<	} catch(NullPointerException success){}
245	<	catch(Exception e){
154	<	unexpectedException();
238	>	public void testScheduleNull() throws InterruptedException {
239	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
240	>	try (PoolCleaner cleaner = cleaner(p)) {
241	>	try {
242	>	TrackedCallable callable = null;
243	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
244	>	shouldThrow();
245	>	} catch (NullPointerException success) {}
246		}
156	–	joinPool(se);
247		}
248	<
248	>
249		/**
250		* execute throws RejectedExecutionException if shutdown
251		*/
252	<	public void testSchedule1_RejectedExecutionException() {
253	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
254	<	try {
255	<	se.shutdown();
256	<	se.schedule(new NoOpRunnable(),
257	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
258	<	shouldThrow();
259	<	} catch(RejectedExecutionException success){
252	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
253	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
254	>	try (PoolCleaner cleaner = cleaner(p)) {
255	>	try {
256	>	p.shutdown();
257	>	p.schedule(new NoOpRunnable(),
258	>	MEDIUM_DELAY_MS, MILLISECONDS);
259	>	shouldThrow();
260	>	} catch (RejectedExecutionException success) {
261	>	} catch (SecurityException ok) {}
262		}
171	–	joinPool(se);
172	–
263		}
264
265		/**
266		* schedule throws RejectedExecutionException if shutdown
267		*/
268	<	public void testSchedule2_RejectedExecutionException() {
269	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
270	<	try {
271	<	se.shutdown();
272	<	se.schedule(new NoOpCallable(),
273	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
274	<	shouldThrow();
275	<	} catch(RejectedExecutionException success){
268	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
269	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
270	>	try (PoolCleaner cleaner = cleaner(p)) {
271	>	try {
272	>	p.shutdown();
273	>	p.schedule(new NoOpCallable(),
274	>	MEDIUM_DELAY_MS, MILLISECONDS);
275	>	shouldThrow();
276	>	} catch (RejectedExecutionException success) {
277	>	} catch (SecurityException ok) {}
278		}
187	–	joinPool(se);
279		}
280
281		/**
282		* schedule callable throws RejectedExecutionException if shutdown
283		*/
284	<	public void testSchedule3_RejectedExecutionException() {
285	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
286	<	try {
287	<	se.shutdown();
288	<	se.schedule(new NoOpCallable(),
289	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
290	<	shouldThrow();
291	<	} catch(RejectedExecutionException success){
292	<	}
293	<	joinPool(se);
284	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
285	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
286	>	try (PoolCleaner cleaner = cleaner(p)) {
287	>	try {
288	>	p.shutdown();
289	>	p.schedule(new NoOpCallable(),
290	>	MEDIUM_DELAY_MS, MILLISECONDS);
291	>	shouldThrow();
292	>	} catch (RejectedExecutionException success) {
293	>	} catch (SecurityException ok) {}
294	>	}
295		}
296
297		/**
298	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
299	<	*/
300	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
301	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
302	<	try {
303	<	se.shutdown();
304	<	se.scheduleAtFixedRate(new NoOpRunnable(),
305	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
306	<	shouldThrow();
307	<	} catch(RejectedExecutionException success){
308	<	}
309	<	joinPool(se);
298	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
299	>	*/
300	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
301	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
302	>	try (PoolCleaner cleaner = cleaner(p)) {
303	>	try {
304	>	p.shutdown();
305	>	p.scheduleAtFixedRate(new NoOpRunnable(),
306	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
307	>	shouldThrow();
308	>	} catch (RejectedExecutionException success) {
309	>	} catch (SecurityException ok) {}
310	>	}
311		}
312	<
312	>
313		/**
314		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
315		*/
316	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
317	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
318	<	try {
319	<	se.shutdown();
320	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
321	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
322	<	shouldThrow();
323	<	} catch(RejectedExecutionException success){
324	<	}
325	<	joinPool(se);
316	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
317	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.shutdown();
321	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
322	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
323	>	shouldThrow();
324	>	} catch (RejectedExecutionException success) {
325	>	} catch (SecurityException ok) {}
326	>	}
327		}
328
329		/**
330	<	*  getActiveCount increases but doesn't overestimate, when a
331	<	*  thread becomes active
332	<	*/
333	<	public void testGetActiveCount() {
334	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
335	<	assertEquals(0, p2.getActiveCount());
336	<	p2.execute(new SmallRunnable());
337	<	try {
338	<	Thread.sleep(SHORT_DELAY_MS);
339	<	} catch(Exception e){
340	<	unexpectedException();
341	<	}
342	<	assertEquals(1, p2.getActiveCount());
343	<	joinPool(p2);
344	<	}
345	<
346	<	/**
253	<	*    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();
330	>	* getActiveCount increases but doesn't overestimate, when a
331	>	* thread becomes active
332	>	*/
333	>	public void testGetActiveCount() throws InterruptedException {
334	>	final CountDownLatch done = new CountDownLatch(1);
335	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
336	>	try (PoolCleaner cleaner = cleaner(p, done)) {
337	>	final CountDownLatch threadStarted = new CountDownLatch(1);
338	>	assertEquals(0, p.getActiveCount());
339	>	p.execute(new CheckedRunnable() {
340	>	public void realRun() throws InterruptedException {
341	>	threadStarted.countDown();
342	>	assertEquals(1, p.getActiveCount());
343	>	await(done);
344	>	}});
345	>	await(threadStarted);
346	>	assertEquals(1, p.getActiveCount());
347		}
265	–	assertEquals(1, p2.getCompletedTaskCount());
266	–	joinPool(p2);
348		}
349	<
349	>
350		/**
351	<	*  getCorePoolSize returns size given in constructor if not otherwise set
352	<	*/
353	<	public void testGetCorePoolSize() {
354	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
355	<	assertEquals(1, p1.getCorePoolSize());
356	<	joinPool(p1);
351	>	* getCompletedTaskCount increases, but doesn't overestimate,
352	>	* when tasks complete
353	>	*/
354	>	public void testGetCompletedTaskCount() throws InterruptedException {
355	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
356	>	try (PoolCleaner cleaner = cleaner(p)) {
357	>	final CountDownLatch threadStarted = new CountDownLatch(1);
358	>	final CountDownLatch threadProceed = new CountDownLatch(1);
359	>	final CountDownLatch threadDone = new CountDownLatch(1);
360	>	assertEquals(0, p.getCompletedTaskCount());
361	>	p.execute(new CheckedRunnable() {
362	>	public void realRun() throws InterruptedException {
363	>	threadStarted.countDown();
364	>	assertEquals(0, p.getCompletedTaskCount());
365	>	threadProceed.await();
366	>	threadDone.countDown();
367	>	}});
368	>	await(threadStarted);
369	>	assertEquals(0, p.getCompletedTaskCount());
370	>	threadProceed.countDown();
371	>	threadDone.await();
372	>	long startTime = System.nanoTime();
373	>	while (p.getCompletedTaskCount() != 1) {
374	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
375	>	fail("timed out");
376	>	Thread.yield();
377	>	}
378	>	}
379		}
380	<
380	>
381		/**
382	<	*    getLargestPoolSize increases, but doesn't overestimate, when
280	<	*   multiple threads active
382	>	* getCorePoolSize returns size given in constructor if not otherwise set
383		*/
384	<	public void testGetLargestPoolSize() {
385	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
386	<	assertEquals(0, p2.getLargestPoolSize());
387	<	p2.execute(new SmallRunnable());
388	<	p2.execute(new SmallRunnable());
389	<	try {
390	<	Thread.sleep(SHORT_DELAY_MS);
391	<	} catch(Exception e){
392	<	unexpectedException();
393	<	}
394	<	assertEquals(2, p2.getLargestPoolSize());
395	<	joinPool(p2);
396	<	}
397	<
398	<	/**
399	<	*   getPoolSize increases, but doesn't overestimate, when threads
400	<	*   become active
401	<	*/
402	<	public void testGetPoolSize() {
403	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
404	<	assertEquals(0, p1.getPoolSize());
405	<	p1.execute(new SmallRunnable());
406	<	assertEquals(1, p1.getPoolSize());
407	<	joinPool(p1);
408	<	}
409	<
410	<	/**
411	<	*    getTaskCount increases, but doesn't overestimate, when tasks
412	<	*    submitted
413	<	*/
414	<	public void testGetTaskCount() {
415	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
416	<	assertEquals(0, p1.getTaskCount());
417	<	for(int i = 0; i < 5; i++)
418	<	p1.execute(new SmallRunnable());
419	<	try {
420	<	Thread.sleep(SHORT_DELAY_MS);
421	<	} catch(Exception e){
422	<	unexpectedException();
384	>	public void testGetCorePoolSize() throws InterruptedException {
385	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
386	>	try (PoolCleaner cleaner = cleaner(p)) {
387	>	assertEquals(1, p.getCorePoolSize());
388	>	}
389	>	}
390	>
391	>	/**
392	>	* getLargestPoolSize increases, but doesn't overestimate, when
393	>	* multiple threads active
394	>	*/
395	>	public void testGetLargestPoolSize() throws InterruptedException {
396	>	final int THREADS = 3;
397	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
398	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
399	>	final CountDownLatch done = new CountDownLatch(1);
400	>	try (PoolCleaner cleaner = cleaner(p, done)) {
401	>	assertEquals(0, p.getLargestPoolSize());
402	>	for (int i = 0; i < THREADS; i++)
403	>	p.execute(new CheckedRunnable() {
404	>	public void realRun() throws InterruptedException {
405	>	threadsStarted.countDown();
406	>	await(done);
407	>	assertEquals(THREADS, p.getLargestPoolSize());
408	>	}});
409	>	await(threadsStarted);
410	>	assertEquals(THREADS, p.getLargestPoolSize());
411	>	}
412	>	assertEquals(THREADS, p.getLargestPoolSize());
413	>	}
414	>
415	>	/**
416	>	* getPoolSize increases, but doesn't overestimate, when threads
417	>	* become active
418	>	*/
419	>	public void testGetPoolSize() throws InterruptedException {
420	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
421	>	final CountDownLatch threadStarted = new CountDownLatch(1);
422	>	final CountDownLatch done = new CountDownLatch(1);
423	>	try (PoolCleaner cleaner = cleaner(p, done)) {
424	>	assertEquals(0, p.getPoolSize());
425	>	p.execute(new CheckedRunnable() {
426	>	public void realRun() throws InterruptedException {
427	>	threadStarted.countDown();
428	>	assertEquals(1, p.getPoolSize());
429	>	await(done);
430	>	}});
431	>	await(threadStarted);
432	>	assertEquals(1, p.getPoolSize());
433	>	}
434	>	}
435	>
436	>	/**
437	>	* getTaskCount increases, but doesn't overestimate, when tasks
438	>	* submitted
439	>	*/
440	>	public void testGetTaskCount() throws InterruptedException {
441	>	final int TASKS = 3;
442	>	final CountDownLatch done = new CountDownLatch(1);
443	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
444	>	try (PoolCleaner cleaner = cleaner(p, done)) {
445	>	final CountDownLatch threadStarted = new CountDownLatch(1);
446	>	assertEquals(0, p.getTaskCount());
447	>	assertEquals(0, p.getCompletedTaskCount());
448	>	p.execute(new CheckedRunnable() {
449	>	public void realRun() throws InterruptedException {
450	>	threadStarted.countDown();
451	>	await(done);
452	>	}});
453	>	await(threadStarted);
454	>	assertEquals(1, p.getTaskCount());
455	>	assertEquals(0, p.getCompletedTaskCount());
456	>	for (int i = 0; i < TASKS; i++) {
457	>	assertEquals(1 + i, p.getTaskCount());
458	>	p.execute(new CheckedRunnable() {
459	>	public void realRun() throws InterruptedException {
460	>	threadStarted.countDown();
461	>	assertEquals(1 + TASKS, p.getTaskCount());
462	>	await(done);
463	>	}});
464	>	}
465	>	assertEquals(1 + TASKS, p.getTaskCount());
466	>	assertEquals(0, p.getCompletedTaskCount());
467		}
468	<	assertEquals(5, p1.getTaskCount());
469	<	joinPool(p1);
468	>	assertEquals(1 + TASKS, p.getTaskCount());
469	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
470		}
471
472	<	/**
472	>	/**
473		* getThreadFactory returns factory in constructor if not set
474		*/
475	<	public void testGetThreadFactory() {
476	<	ThreadFactory tf = new SimpleThreadFactory();
477	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
478	<	assertSame(tf, p.getThreadFactory());
479	<	p.shutdown();
480	<	joinPool(p);
475	>	public void testGetThreadFactory() throws InterruptedException {
476	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
477	>	final ScheduledThreadPoolExecutor p =
478	>	new ScheduledThreadPoolExecutor(1, threadFactory);
479	>	try (PoolCleaner cleaner = cleaner(p)) {
480	>	assertSame(threadFactory, p.getThreadFactory());
481	>	}
482		}
483
484	<	/**
484	>	/**
485		* setThreadFactory sets the thread factory returned by getThreadFactory
486		*/
487	<	public void testSetThreadFactory() {
488	<	ThreadFactory tf = new SimpleThreadFactory();
489	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
490	<	p.setThreadFactory(tf);
491	<	assertSame(tf, p.getThreadFactory());
492	<	p.shutdown();
493	<	joinPool(p);
487	>	public void testSetThreadFactory() throws InterruptedException {
488	>	ThreadFactory threadFactory = new SimpleThreadFactory();
489	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
490	>	try (PoolCleaner cleaner = cleaner(p)) {
491	>	p.setThreadFactory(threadFactory);
492	>	assertSame(threadFactory, p.getThreadFactory());
493	>	}
494		}
495
496	<	/**
496	>	/**
497		* setThreadFactory(null) throws NPE
498		*/
499	<	public void testSetThreadFactoryNull() {
500	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
501	<	try {
502	<	p.setThreadFactory(null);
503	<	shouldThrow();
504	<	} catch (NullPointerException success) {
505	<	} finally {
359	<	joinPool(p);
499	>	public void testSetThreadFactoryNull() throws InterruptedException {
500	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
501	>	try (PoolCleaner cleaner = cleaner(p)) {
502	>	try {
503	>	p.setThreadFactory(null);
504	>	shouldThrow();
505	>	} catch (NullPointerException success) {}
506		}
507		}
508	<
508	>
509		/**
510	<	*   is isShutDown is false before shutdown, true after
510	>	* isShutdown is false before shutdown, true after
511		*/
512		public void testIsShutdown() {
513	<
514	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
515	<	try {
516	<	assertFalse(p1.isShutdown());
517	<	}
518	<	finally {
519	<	p1.shutdown();
513	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
514	>	assertFalse(p.isShutdown());
515	>	try (PoolCleaner cleaner = cleaner(p)) {
516	>	try {
517	>	p.shutdown();
518	>	assertTrue(p.isShutdown());
519	>	} catch (SecurityException ok) {}
520		}
375	–	assertTrue(p1.isShutdown());
521		}
522
378	–
523		/**
524	<	*   isTerminated is false before termination, true after
525	<	*/
526	<	public void testIsTerminated() {
527	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
528	<	try {
529	<	p1.execute(new SmallRunnable());
530	<	} finally {
531	<	p1.shutdown();
524	>	* isTerminated is false before termination, true after
525	>	*/
526	>	public void testIsTerminated() throws InterruptedException {
527	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
528	>	try (PoolCleaner cleaner = cleaner(p)) {
529	>	final CountDownLatch threadStarted = new CountDownLatch(1);
530	>	final CountDownLatch done = new CountDownLatch(1);
531	>	assertFalse(p.isTerminated());
532	>	p.execute(new CheckedRunnable() {
533	>	public void realRun() throws InterruptedException {
534	>	assertFalse(p.isTerminated());
535	>	threadStarted.countDown();
536	>	await(done);
537	>	}});
538	>	await(threadStarted);
539	>	assertFalse(p.isTerminating());
540	>	done.countDown();
541	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
542	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
543	>	assertTrue(p.isTerminated());
544		}
389	–	try {
390	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
391	–	assertTrue(p1.isTerminated());
392	–	} catch(Exception e){
393	–	unexpectedException();
394	–	}
545		}
546
547		/**
548	<	*  isTerminating is not true when running or when terminated
549	<	*/
550	<	public void testIsTerminating() {
551	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
552	<	assertFalse(p1.isTerminating());
553	<	try {
554	<	p1.execute(new SmallRunnable());
555	<	assertFalse(p1.isTerminating());
556	<	} finally {
557	<	p1.shutdown();
548	>	* isTerminating is not true when running or when terminated
549	>	*/
550	>	public void testIsTerminating() throws InterruptedException {
551	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
552	>	final CountDownLatch threadStarted = new CountDownLatch(1);
553	>	final CountDownLatch done = new CountDownLatch(1);
554	>	try (PoolCleaner cleaner = cleaner(p)) {
555	>	assertFalse(p.isTerminating());
556	>	p.execute(new CheckedRunnable() {
557	>	public void realRun() throws InterruptedException {
558	>	assertFalse(p.isTerminating());
559	>	threadStarted.countDown();
560	>	await(done);
561	>	}});
562	>	await(threadStarted);
563	>	assertFalse(p.isTerminating());
564	>	done.countDown();
565	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
566	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
567	>	assertTrue(p.isTerminated());
568	>	assertFalse(p.isTerminating());
569		}
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	–	}
570		}
571
572		/**
573		* getQueue returns the work queue, which contains queued tasks
574		*/
575	<	public void testGetQueue() {
576	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
577	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
578	<	for(int i = 0; i < 5; i++){
579	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
580	<	}
581	<	try {
582	<	Thread.sleep(SHORT_DELAY_MS);
583	<	BlockingQueue<Runnable> q = p1.getQueue();
584	<	assertTrue(q.contains(tasks[4]));
575	>	public void testGetQueue() throws InterruptedException {
576	>	final CountDownLatch done = new CountDownLatch(1);
577	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
578	>	try (PoolCleaner cleaner = cleaner(p, done)) {
579	>	final CountDownLatch threadStarted = new CountDownLatch(1);
580	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
581	>	for (int i = 0; i < tasks.length; i++) {
582	>	Runnable r = new CheckedRunnable() {
583	>	public void realRun() throws InterruptedException {
584	>	threadStarted.countDown();
585	>	await(done);
586	>	}};
587	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
588	>	}
589	>	await(threadStarted);
590	>	BlockingQueue<Runnable> q = p.getQueue();
591	>	assertTrue(q.contains(tasks[tasks.length - 1]));
592		assertFalse(q.contains(tasks[0]));
432	–	p1.shutdownNow();
433	–	} catch(Exception e) {
434	–	unexpectedException();
435	–	} finally {
436	–	joinPool(p1);
593		}
594		}
595
596		/**
597		* remove(task) removes queued task, and fails to remove active task
598		*/
599	<	public void testRemove() {
600	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
601	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
602	<	for(int i = 0; i < 5; i++){
603	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
604	<	}
605	<	try {
606	<	Thread.sleep(SHORT_DELAY_MS);
607	<	BlockingQueue<Runnable> q = p1.getQueue();
608	<	assertFalse(p1.remove((Runnable)tasks[0]));
599	>	public void testRemove() throws InterruptedException {
600	>	final CountDownLatch done = new CountDownLatch(1);
601	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
602	>	try (PoolCleaner cleaner = cleaner(p, done)) {
603	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
604	>	final CountDownLatch threadStarted = new CountDownLatch(1);
605	>	for (int i = 0; i < tasks.length; i++) {
606	>	Runnable r = new CheckedRunnable() {
607	>	public void realRun() throws InterruptedException {
608	>	threadStarted.countDown();
609	>	await(done);
610	>	}};
611	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
612	>	}
613	>	await(threadStarted);
614	>	BlockingQueue<Runnable> q = p.getQueue();
615	>	assertFalse(p.remove((Runnable)tasks[0]));
616		assertTrue(q.contains((Runnable)tasks[4]));
617		assertTrue(q.contains((Runnable)tasks[3]));
618	<	assertTrue(p1.remove((Runnable)tasks[4]));
619	<	assertFalse(p1.remove((Runnable)tasks[4]));
618	>	assertTrue(p.remove((Runnable)tasks[4]));
619	>	assertFalse(p.remove((Runnable)tasks[4]));
620		assertFalse(q.contains((Runnable)tasks[4]));
621		assertTrue(q.contains((Runnable)tasks[3]));
622	<	assertTrue(p1.remove((Runnable)tasks[3]));
622	>	assertTrue(p.remove((Runnable)tasks[3]));
623		assertFalse(q.contains((Runnable)tasks[3]));
461	–	p1.shutdownNow();
462	–	} catch(Exception e) {
463	–	unexpectedException();
464	–	} finally {
465	–	joinPool(p1);
624		}
625		}
626
627		/**
628	<	*  purge removes cancelled tasks from the queue
628	>	* purge eventually removes cancelled tasks from the queue
629		*/
630	<	public void testPurge() {
631	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
632	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
633	<	for(int i = 0; i < 5; i++){
634	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
630	>	public void testPurge() throws InterruptedException {
631	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
632	>	final Runnable releaser = new Runnable() { public void run() {
633	>	for (ScheduledFuture task : tasks)
634	>	if (task != null) task.cancel(true); }};
635	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
636	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
637	>	for (int i = 0; i < tasks.length; i++)
638	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
639	>	LONG_DELAY_MS, MILLISECONDS);
640	>	int max = tasks.length;
641	>	if (tasks[4].cancel(true)) --max;
642	>	if (tasks[3].cancel(true)) --max;
643	>	// There must eventually be an interference-free point at
644	>	// which purge will not fail. (At worst, when queue is empty.)
645	>	long startTime = System.nanoTime();
646	>	do {
647	>	p.purge();
648	>	long count = p.getTaskCount();
649	>	if (count == max)
650	>	return;
651	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
652	>	fail("Purge failed to remove cancelled tasks");
653	>	}
654	>	}
655	>
656	>	/**
657	>	* shutdownNow returns a list containing tasks that were not run,
658	>	* and those tasks are drained from the queue
659	>	*/
660	>	public void testShutdownNow() throws InterruptedException {
661	>	final int poolSize = 2;
662	>	final int count = 5;
663	>	final AtomicInteger ran = new AtomicInteger(0);
664	>	final ScheduledThreadPoolExecutor p =
665	>	new ScheduledThreadPoolExecutor(poolSize);
666	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
667	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
668	>	threadsStarted.countDown();
669	>	try {
670	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
671	>	} catch (InterruptedException success) {}
672	>	ran.getAndIncrement();
673	>	}};
674	>	for (int i = 0; i < count; i++)
675	>	p.execute(waiter);
676	>	await(threadsStarted);
677	>	assertEquals(poolSize, p.getActiveCount());
678	>	assertEquals(0, p.getCompletedTaskCount());
679	>	final List<Runnable> queuedTasks;
680	>	try {
681	>	queuedTasks = p.shutdownNow();
682	>	} catch (SecurityException ok) {
683	>	return; // Allowed in case test doesn't have privs
684	>	}
685	>	assertTrue(p.isShutdown());
686	>	assertTrue(p.getQueue().isEmpty());
687	>	assertEquals(count - poolSize, queuedTasks.size());
688	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
689	>	assertTrue(p.isTerminated());
690	>	assertEquals(poolSize, ran.get());
691	>	assertEquals(poolSize, p.getCompletedTaskCount());
692	>	}
693	>
694	>	/**
695	>	* shutdownNow returns a list containing tasks that were not run,
696	>	* and those tasks are drained from the queue
697	>	*/
698	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
699	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
700	>	List<ScheduledFuture> tasks = new ArrayList<>();
701	>	for (int i = 0; i < 3; i++) {
702	>	Runnable r = new NoOpRunnable();
703	>	tasks.add(p.schedule(r, 9, SECONDS));
704	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
705	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
706	>	}
707	>	if (testImplementationDetails)
708	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
709	>	final List<Runnable> queuedTasks;
710	>	try {
711	>	queuedTasks = p.shutdownNow();
712	>	} catch (SecurityException ok) {
713	>	return; // Allowed in case test doesn't have privs
714	>	}
715	>	assertTrue(p.isShutdown());
716	>	assertTrue(p.getQueue().isEmpty());
717	>	if (testImplementationDetails)
718	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
719	>	assertEquals(tasks.size(), queuedTasks.size());
720	>	for (ScheduledFuture task : tasks) {
721	>	assertFalse(task.isDone());
722	>	assertFalse(task.isCancelled());
723		}
724	<	int max = 5;
725	<	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);
724	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
725	>	assertTrue(p.isTerminated());
726		}
727
728		/**
729	<	*  shutDownNow returns a list containing tasks that were not run
729	>	* By default, periodic tasks are cancelled at shutdown.
730	>	* By default, delayed tasks keep running after shutdown.
731	>	* Check that changing the default values work:
732	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
733	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
734	>	*/
735	>	public void testShutdown_cancellation() throws Exception {
736	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
737	>	for (Boolean policy : allBooleans)
738	>	{
739	>	final int poolSize = 2;
740	>	final ScheduledThreadPoolExecutor p
741	>	= new ScheduledThreadPoolExecutor(poolSize);
742	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
743	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
744	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
745	>	if (policy != null) {
746	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
747	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
748	>	p.setRemoveOnCancelPolicy(policy);
749	>	}
750	>	assertEquals(effectiveDelayedPolicy,
751	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
752	>	assertEquals(effectivePeriodicPolicy,
753	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
754	>	assertEquals(effectiveRemovePolicy,
755	>	p.getRemoveOnCancelPolicy());
756	>	// Strategy: Wedge the pool with poolSize "blocker" threads
757	>	final AtomicInteger ran = new AtomicInteger(0);
758	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
759	>	final CountDownLatch unblock = new CountDownLatch(1);
760	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
761	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
762	>	Runnable task = new CheckedRunnable() { public void realRun()
763	>	throws InterruptedException {
764	>	poolBlocked.countDown();
765	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
766	>	ran.getAndIncrement();
767	>	}};
768	>	List<Future<?>> blockers = new ArrayList<>();
769	>	List<Future<?>> periodics = new ArrayList<>();
770	>	List<Future<?>> delayeds = new ArrayList<>();
771	>	for (int i = 0; i < poolSize; i++)
772	>	blockers.add(p.submit(task));
773	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
774	>
775	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
776	>	1, 1, MILLISECONDS));
777	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
778	>	1, 1, MILLISECONDS));
779	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
780	>
781	>	assertTrue(p.getQueue().containsAll(periodics));
782	>	assertTrue(p.getQueue().containsAll(delayeds));
783	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
784	>	assertTrue(p.isShutdown());
785	>	assertFalse(p.isTerminated());
786	>	for (Future<?> periodic : periodics) {
787	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
788	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
789	>	}
790	>	for (Future<?> delayed : delayeds) {
791	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
792	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
793	>	}
794	>	if (testImplementationDetails) {
795	>	assertEquals(effectivePeriodicPolicy,
796	>	p.getQueue().containsAll(periodics));
797	>	assertEquals(effectiveDelayedPolicy,
798	>	p.getQueue().containsAll(delayeds));
799	>	}
800	>	// Release all pool threads
801	>	unblock.countDown();
802	>
803	>	for (Future<?> delayed : delayeds) {
804	>	if (effectiveDelayedPolicy) {
805	>	assertNull(delayed.get());
806	>	}
807	>	}
808	>	if (effectivePeriodicPolicy) {
809	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
810	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
811	>	for (Future<?> periodic : periodics) {
812	>	assertTrue(periodic.cancel(false));
813	>	assertTrue(periodic.isCancelled());
814	>	assertTrue(periodic.isDone());
815	>	}
816	>	}
817	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
818	>	assertTrue(p.isTerminated());
819	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
820	>	}}
821	>
822	>	/**
823	>	* completed submit of callable returns result
824		*/
825	<	public void testShutDownNow() {
826	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
827	<	for(int i = 0; i < 5; i++)
828	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
829	<	List l = p1.shutdownNow();
830	<	assertTrue(p1.isShutdown());
831	<	assertTrue(l.size() > 0 && l.size() <= 5);
497	<	joinPool(p1);
825	>	public void testSubmitCallable() throws Exception {
826	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
827	>	try (PoolCleaner cleaner = cleaner(e)) {
828	>	Future<String> future = e.submit(new StringTask());
829	>	String result = future.get();
830	>	assertSame(TEST_STRING, result);
831	>	}
832		}
833
834		/**
835	<	* In default setting, shutdown cancels periodic but not delayed
502	<	* tasks at shutdown
835	>	* completed submit of runnable returns successfully
836		*/
837	<	public void testShutDown1() {
838	<	try {
839	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
840	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
841	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
842	<
510	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
511	<	for(int i = 0; i < 5; i++)
512	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
513	<	p1.shutdown();
514	<	BlockingQueue q = p1.getQueue();
515	<	for (Iterator it = q.iterator(); it.hasNext();) {
516	<	ScheduledFuture t = (ScheduledFuture)it.next();
517	<	assertFalse(t.isCancelled());
518	<	}
519	<	assertTrue(p1.isShutdown());
520	<	Thread.sleep(SMALL_DELAY_MS);
521	<	for (int i = 0; i < 5; ++i) {
522	<	assertTrue(tasks[i].isDone());
523	<	assertFalse(tasks[i].isCancelled());
524	<	}
525	<
526	<	}
527	<	catch(Exception ex) {
528	<	unexpectedException();
837	>	public void testSubmitRunnable() throws Exception {
838	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
839	>	try (PoolCleaner cleaner = cleaner(e)) {
840	>	Future<?> future = e.submit(new NoOpRunnable());
841	>	future.get();
842	>	assertTrue(future.isDone());
843		}
844		}
845
532	–
846		/**
847	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
535	<	* delayed tasks are cancelled at shutdown
847	>	* completed submit of (runnable, result) returns result
848		*/
849	<	public void testShutDown2() {
850	<	try {
851	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
852	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
853	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
854	<	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();
849	>	public void testSubmitRunnable2() throws Exception {
850	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
851	>	try (PoolCleaner cleaner = cleaner(e)) {
852	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
853	>	String result = future.get();
854	>	assertSame(TEST_STRING, result);
855		}
856		}
857
556	–
858		/**
859	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
559	<	* periodic tasks are not cancelled at shutdown
859	>	* invokeAny(null) throws NPE
860		*/
861	<	public void testShutDown3() {
862	<	try {
863	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
864	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
865	<	ScheduledFuture task =
866	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
867	<	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();
861	>	public void testInvokeAny1() throws Exception {
862	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
863	>	try (PoolCleaner cleaner = cleaner(e)) {
864	>	try {
865	>	e.invokeAny(null);
866	>	shouldThrow();
867	>	} catch (NullPointerException success) {}
868		}
869		}
870
871		/**
872	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
581	<	* periodic tasks are cancelled at shutdown
872	>	* invokeAny(empty collection) throws IAE
873		*/
874	<	public void testShutDown4() {
875	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
876	<	try {
877	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
878	<	ScheduledFuture task =
879	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
880	<	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();
874	>	public void testInvokeAny2() throws Exception {
875	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
876	>	try (PoolCleaner cleaner = cleaner(e)) {
877	>	try {
878	>	e.invokeAny(new ArrayList<Callable<String>>());
879	>	shouldThrow();
880	>	} catch (IllegalArgumentException success) {}
881		}
882		}
883
884		/**
885	<	* completed submit of callable returns result
885	>	* invokeAny(c) throws NPE if c has null elements
886		*/
887	<	public void testSubmitCallable() {
888	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
889	<	try {
890	<	Future<String> future = e.submit(new StringTask());
891	<	String result = future.get();
892	<	assertSame(TEST_STRING, result);
893	<	}
894	<	catch (ExecutionException ex) {
895	<	unexpectedException();
896	<	}
897	<	catch (InterruptedException ex) {
898	<	unexpectedException();
624	<	} finally {
625	<	joinPool(e);
887	>	public void testInvokeAny3() throws Exception {
888	>	CountDownLatch latch = new CountDownLatch(1);
889	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
890	>	try (PoolCleaner cleaner = cleaner(e)) {
891	>	List<Callable<String>> l = new ArrayList<>();
892	>	l.add(latchAwaitingStringTask(latch));
893	>	l.add(null);
894	>	try {
895	>	e.invokeAny(l);
896	>	shouldThrow();
897	>	} catch (NullPointerException success) {}
898	>	latch.countDown();
899		}
900		}
901
902		/**
903	<	* completed submit of runnable returns successfully
903	>	* invokeAny(c) throws ExecutionException if no task completes
904		*/
905	<	public void testSubmitRunnable() {
906	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	<	try {
908	<	Future<?> future = e.submit(new NoOpRunnable());
909	<	future.get();
910	<	assertTrue(future.isDone());
911	<	}
912	<	catch (ExecutionException ex) {
913	<	unexpectedException();
914	<	}
915	<	catch (InterruptedException ex) {
643	<	unexpectedException();
644	<	} finally {
645	<	joinPool(e);
905	>	public void testInvokeAny4() throws Exception {
906	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	>	try (PoolCleaner cleaner = cleaner(e)) {
908	>	List<Callable<String>> l = new ArrayList<>();
909	>	l.add(new NPETask());
910	>	try {
911	>	e.invokeAny(l);
912	>	shouldThrow();
913	>	} catch (ExecutionException success) {
914	>	assertTrue(success.getCause() instanceof NullPointerException);
915	>	}
916		}
917		}
918
919		/**
920	<	* completed submit of (runnable, result) returns result
920	>	* invokeAny(c) returns result of some task
921		*/
922	<	public void testSubmitRunnable2() {
923	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
924	<	try {
925	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
926	<	String result = future.get();
922	>	public void testInvokeAny5() throws Exception {
923	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
924	>	try (PoolCleaner cleaner = cleaner(e)) {
925	>	List<Callable<String>> l = new ArrayList<>();
926	>	l.add(new StringTask());
927	>	l.add(new StringTask());
928	>	String result = e.invokeAny(l);
929		assertSame(TEST_STRING, result);
930		}
931	<	catch (ExecutionException ex) {
932	<	unexpectedException();
931	>	}
932	>
933	>	/**
934	>	* invokeAll(null) throws NPE
935	>	*/
936	>	public void testInvokeAll1() throws Exception {
937	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
938	>	try (PoolCleaner cleaner = cleaner(e)) {
939	>	try {
940	>	e.invokeAll(null);
941	>	shouldThrow();
942	>	} catch (NullPointerException success) {}
943		}
944	<	catch (InterruptedException ex) {
945	<	unexpectedException();
946	<	} finally {
947	<	joinPool(e);
944	>	}
945	>
946	>	/**
947	>	* invokeAll(empty collection) returns empty collection
948	>	*/
949	>	public void testInvokeAll2() throws Exception {
950	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
951	>	try (PoolCleaner cleaner = cleaner(e)) {
952	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
953	>	assertTrue(r.isEmpty());
954		}
955		}
956
957	+	/**
958	+	* invokeAll(c) throws NPE if c has null elements
959	+	*/
960	+	public void testInvokeAll3() throws Exception {
961	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
962	+	try (PoolCleaner cleaner = cleaner(e)) {
963	+	List<Callable<String>> l = new ArrayList<>();
964	+	l.add(new StringTask());
965	+	l.add(null);
966	+	try {
967	+	e.invokeAll(l);
968	+	shouldThrow();
969	+	} catch (NullPointerException success) {}
970	+	}
971	+	}
972
973	+	/**
974	+	* get of invokeAll(c) throws exception on failed task
975	+	*/
976	+	public void testInvokeAll4() throws Exception {
977	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
978	+	try (PoolCleaner cleaner = cleaner(e)) {
979	+	List<Callable<String>> l = new ArrayList<>();
980	+	l.add(new NPETask());
981	+	List<Future<String>> futures = e.invokeAll(l);
982	+	assertEquals(1, futures.size());
983	+	try {
984	+	futures.get(0).get();
985	+	shouldThrow();
986	+	} catch (ExecutionException success) {
987	+	assertTrue(success.getCause() instanceof NullPointerException);
988	+	}
989	+	}
990	+	}
991
992	+	/**
993	+	* invokeAll(c) returns results of all completed tasks
994	+	*/
995	+	public void testInvokeAll5() throws Exception {
996	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
997	+	try (PoolCleaner cleaner = cleaner(e)) {
998	+	List<Callable<String>> l = new ArrayList<>();
999	+	l.add(new StringTask());
1000	+	l.add(new StringTask());
1001	+	List<Future<String>> futures = e.invokeAll(l);
1002	+	assertEquals(2, futures.size());
1003	+	for (Future<String> future : futures)
1004	+	assertSame(TEST_STRING, future.get());
1005	+	}
1006	+	}
1007
1008	+	/**
1009	+	* timed invokeAny(null) throws NPE
1010	+	*/
1011	+	public void testTimedInvokeAny1() throws Exception {
1012	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1013	+	try (PoolCleaner cleaner = cleaner(e)) {
1014	+	try {
1015	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1016	+	shouldThrow();
1017	+	} catch (NullPointerException success) {}
1018	+	}
1019	+	}
1020
1021		/**
1022	<	* invokeAny(null) throws NPE
1022	>	* timed invokeAny(,,null) throws NPE
1023		*/
1024	<	public void testInvokeAny1() {
1025	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1026	<	try {
1027	<	e.invokeAny(null);
1028	<	} catch (NullPointerException success) {
1029	<	} catch(Exception ex) {
1030	<	unexpectedException();
1031	<	} finally {
1032	<	joinPool(e);
1024	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1025	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1026	>	try (PoolCleaner cleaner = cleaner(e)) {
1027	>	List<Callable<String>> l = new ArrayList<>();
1028	>	l.add(new StringTask());
1029	>	try {
1030	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1031	>	shouldThrow();
1032	>	} catch (NullPointerException success) {}
1033		}
1034		}
1035
1036		/**
1037	<	* invokeAny(empty collection) throws IAE
1037	>	* timed invokeAny(empty collection) throws IAE
1038		*/
1039	<	public void testInvokeAny2() {
1040	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	<	try {
1042	<	e.invokeAny(new ArrayList<Callable<String>>());
1043	<	} catch (IllegalArgumentException success) {
1044	<	} catch(Exception ex) {
1045	<	unexpectedException();
698	<	} finally {
699	<	joinPool(e);
1039	>	public void testTimedInvokeAny2() throws Exception {
1040	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	>	try (PoolCleaner cleaner = cleaner(e)) {
1042	>	try {
1043	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1044	>	shouldThrow();
1045	>	} catch (IllegalArgumentException success) {}
1046		}
1047		}
1048
1049		/**
1050	<	* invokeAny(c) throws NPE if c has null elements
1050	>	* timed invokeAny(c) throws NPE if c has null elements
1051		*/
1052	<	public void testInvokeAny3() {
1053	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1054	<	try {
1055	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1056	<	l.add(new StringTask());
1052	>	public void testTimedInvokeAny3() throws Exception {
1053	>	CountDownLatch latch = new CountDownLatch(1);
1054	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1055	>	try (PoolCleaner cleaner = cleaner(e)) {
1056	>	List<Callable<String>> l = new ArrayList<>();
1057	>	l.add(latchAwaitingStringTask(latch));
1058		l.add(null);
1059	<	e.invokeAny(l);
1060	<	} catch (NullPointerException success) {
1061	<	} catch(Exception ex) {
1062	<	unexpectedException();
1063	<	} finally {
717	<	joinPool(e);
1059	>	try {
1060	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1061	>	shouldThrow();
1062	>	} catch (NullPointerException success) {}
1063	>	latch.countDown();
1064		}
1065		}
1066
1067		/**
1068	<	* invokeAny(c) throws ExecutionException if no task completes
1068	>	* timed invokeAny(c) throws ExecutionException if no task completes
1069		*/
1070	<	public void testInvokeAny4() {
1071	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	<	try {
1073	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1070	>	public void testTimedInvokeAny4() throws Exception {
1071	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	>	try (PoolCleaner cleaner = cleaner(e)) {
1073	>	long startTime = System.nanoTime();
1074	>	List<Callable<String>> l = new ArrayList<>();
1075		l.add(new NPETask());
1076	<	e.invokeAny(l);
1077	<	} catch (ExecutionException success) {
1078	<	} catch(Exception ex) {
1079	<	unexpectedException();
1080	<	} finally {
1081	<	joinPool(e);
1076	>	try {
1077	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1078	>	shouldThrow();
1079	>	} catch (ExecutionException success) {
1080	>	assertTrue(success.getCause() instanceof NullPointerException);
1081	>	}
1082	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1083		}
1084		}
1085
1086		/**
1087	<	* invokeAny(c) returns result of some task
1087	>	* timed invokeAny(c) returns result of some task
1088		*/
1089	<	public void testInvokeAny5() {
1090	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1091	<	try {
1092	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1089	>	public void testTimedInvokeAny5() throws Exception {
1090	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1091	>	try (PoolCleaner cleaner = cleaner(e)) {
1092	>	long startTime = System.nanoTime();
1093	>	List<Callable<String>> l = new ArrayList<>();
1094		l.add(new StringTask());
1095		l.add(new StringTask());
1096	<	String result = e.invokeAny(l);
1096	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1097		assertSame(TEST_STRING, result);
1098	<	} catch (ExecutionException success) {
750	<	} catch(Exception ex) {
751	<	unexpectedException();
752	<	} finally {
753	<	joinPool(e);
1098	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1099		}
1100		}
1101
1102		/**
1103	<	* invokeAll(null) throws NPE
1103	>	* timed invokeAll(null) throws NPE
1104		*/
1105	<	public void testInvokeAll1() {
1106	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1107	<	try {
1108	<	e.invokeAll(null);
1109	<	} catch (NullPointerException success) {
1110	<	} catch(Exception ex) {
1111	<	unexpectedException();
767	<	} finally {
768	<	joinPool(e);
1105	>	public void testTimedInvokeAll1() throws Exception {
1106	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1107	>	try (PoolCleaner cleaner = cleaner(e)) {
1108	>	try {
1109	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1110	>	shouldThrow();
1111	>	} catch (NullPointerException success) {}
1112		}
1113		}
1114
1115		/**
1116	<	* invokeAll(empty collection) returns empty collection
1116	>	* timed invokeAll(,,null) throws NPE
1117		*/
1118	<	public void testInvokeAll2() {
1119	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1120	<	try {
1121	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1118	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1119	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1120	>	try (PoolCleaner cleaner = cleaner(e)) {
1121	>	List<Callable<String>> l = new ArrayList<>();
1122	>	l.add(new StringTask());
1123	>	try {
1124	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1125	>	shouldThrow();
1126	>	} catch (NullPointerException success) {}
1127	>	}
1128	>	}
1129	>
1130	>	/**
1131	>	* timed invokeAll(empty collection) returns empty collection
1132	>	*/
1133	>	public void testTimedInvokeAll2() throws Exception {
1134	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1135	>	try (PoolCleaner cleaner = cleaner(e)) {
1136	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1137	>	MEDIUM_DELAY_MS, MILLISECONDS);
1138		assertTrue(r.isEmpty());
780	–	} catch(Exception ex) {
781	–	unexpectedException();
782	–	} finally {
783	–	joinPool(e);
1139		}
1140		}
1141
1142		/**
1143	<	* invokeAll(c) throws NPE if c has null elements
1143	>	* timed invokeAll(c) throws NPE if c has null elements
1144		*/
1145	<	public void testInvokeAll3() {
1146	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1147	<	try {
1148	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1145	>	public void testTimedInvokeAll3() throws Exception {
1146	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1147	>	try (PoolCleaner cleaner = cleaner(e)) {
1148	>	List<Callable<String>> l = new ArrayList<>();
1149		l.add(new StringTask());
1150		l.add(null);
1151	<	e.invokeAll(l);
1152	<	} catch (NullPointerException success) {
1153	<	} catch(Exception ex) {
1154	<	unexpectedException();
800	<	} finally {
801	<	joinPool(e);
1151	>	try {
1152	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1153	>	shouldThrow();
1154	>	} catch (NullPointerException success) {}
1155		}
1156		}
1157
1158		/**
1159	<	* get of invokeAll(c) throws exception on failed task
1159	>	* get of element of invokeAll(c) throws exception on failed task
1160		*/
1161	<	public void testInvokeAll4() {
1162	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1163	<	try {
1164	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1161	>	public void testTimedInvokeAll4() throws Exception {
1162	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1163	>	try (PoolCleaner cleaner = cleaner(e)) {
1164	>	List<Callable<String>> l = new ArrayList<>();
1165		l.add(new NPETask());
1166	<	List<Future<String>> result = e.invokeAll(l);
1167	<	assertEquals(1, result.size());
1168	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1169	<	it.next().get();
1170	<	} catch(ExecutionException success) {
1171	<	} catch(Exception ex) {
1172	<	unexpectedException();
1173	<	} finally {
1174	<	joinPool(e);
1166	>	List<Future<String>> futures =
1167	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1168	>	assertEquals(1, futures.size());
1169	>	try {
1170	>	futures.get(0).get();
1171	>	shouldThrow();
1172	>	} catch (ExecutionException success) {
1173	>	assertTrue(success.getCause() instanceof NullPointerException);
1174	>	}
1175		}
1176		}
1177
1178		/**
1179	<	* invokeAll(c) returns results of all completed tasks
1179	>	* timed invokeAll(c) returns results of all completed tasks
1180		*/
1181	<	public void testInvokeAll5() {
1182	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1183	<	try {
1184	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1181	>	public void testTimedInvokeAll5() throws Exception {
1182	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1183	>	try (PoolCleaner cleaner = cleaner(e)) {
1184	>	List<Callable<String>> l = new ArrayList<>();
1185		l.add(new StringTask());
1186		l.add(new StringTask());
1187	<	List<Future<String>> result = e.invokeAll(l);
1188	<	assertEquals(2, result.size());
1189	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1190	<	assertSame(TEST_STRING, it.next().get());
1191	<	} catch (ExecutionException success) {
839	<	} catch(Exception ex) {
840	<	unexpectedException();
841	<	} finally {
842	<	joinPool(e);
1187	>	List<Future<String>> futures =
1188	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1189	>	assertEquals(2, futures.size());
1190	>	for (Future<String> future : futures)
1191	>	assertSame(TEST_STRING, future.get());
1192		}
1193		}
1194
1195	+	/**
1196	+	* timed invokeAll(c) cancels tasks not completed by timeout
1197	+	*/
1198	+	public void testTimedInvokeAll6() throws Exception {
1199	+	for (long timeout = timeoutMillis();;) {
1200	+	final CountDownLatch done = new CountDownLatch(1);
1201	+	final Callable<String> waiter = new CheckedCallable<String>() {
1202	+	public String realCall() {
1203	+	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1204	+	catch (InterruptedException ok) {}
1205	+	return "1"; }};
1206	+	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1207	+	try (PoolCleaner cleaner = cleaner(p, done)) {
1208	+	List<Callable<String>> tasks = new ArrayList<>();
1209	+	tasks.add(new StringTask("0"));
1210	+	tasks.add(waiter);
1211	+	tasks.add(new StringTask("2"));
1212	+	long startTime = System.nanoTime();
1213	+	List<Future<String>> futures =
1214	+	p.invokeAll(tasks, timeout, MILLISECONDS);
1215	+	assertEquals(tasks.size(), futures.size());
1216	+	assertTrue(millisElapsedSince(startTime) >= timeout);
1217	+	for (Future future : futures)
1218	+	assertTrue(future.isDone());
1219	+	assertTrue(futures.get(1).isCancelled());
1220	+	try {
1221	+	assertEquals("0", futures.get(0).get());
1222	+	assertEquals("2", futures.get(2).get());
1223	+	break;
1224	+	} catch (CancellationException retryWithLongerTimeout) {
1225	+	timeout *= 2;
1226	+	if (timeout >= LONG_DELAY_MS / 2)
1227	+	fail("expected exactly one task to be cancelled");
1228	+	}
1229	+	}
1230	+	}
1231	+	}
1232	+
1233	+	/**
1234	+	* A fixed delay task with overflowing period should not prevent a
1235	+	* one-shot task from executing.
1236	+	* https://bugs.openjdk.java.net/browse/JDK-8051859
1237	+	*/
1238	+	public void testScheduleWithFixedDelay_overflow() throws Exception {
1239	+	final CountDownLatch delayedDone = new CountDownLatch(1);
1240	+	final CountDownLatch immediateDone = new CountDownLatch(1);
1241	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1242	+	try (PoolCleaner cleaner = cleaner(p)) {
1243	+	final Runnable immediate = new Runnable() { public void run() {
1244	+	immediateDone.countDown();
1245	+	}};
1246	+	final Runnable delayed = new Runnable() { public void run() {
1247	+	delayedDone.countDown();
1248	+	p.submit(immediate);
1249	+	}};
1250	+	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1251	+	await(delayedDone);
1252	+	await(immediateDone);
1253	+	}
1254	+	}
1255
1256		}

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