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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.44 by jsr166, Sat May 28 15:33:20 2011 UTC vs.
Revision 1.94 by jsr166, Mon May 29 22:44:27 2017 UTC

#	Line 6 | Line 6
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 java.util.concurrent.atomic.*;
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.Collection;
15	>	import java.util.Collections;
16	>	import java.util.HashSet;
17	>	import java.util.List;
18	>	import java.util.concurrent.BlockingQueue;
19	>	import java.util.concurrent.Callable;
20	>	import java.util.concurrent.CancellationException;
21	>	import java.util.concurrent.CountDownLatch;
22	>	import java.util.concurrent.ExecutionException;
23	>	import java.util.concurrent.ExecutorService;
24	>	import java.util.concurrent.Future;
25	>	import java.util.concurrent.RejectedExecutionException;
26	>	import java.util.concurrent.ScheduledFuture;
27	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
28	>	import java.util.concurrent.ThreadFactory;
29	>	import java.util.concurrent.ThreadLocalRandom;
30	>	import java.util.concurrent.ThreadPoolExecutor;
31	>	import java.util.concurrent.atomic.AtomicBoolean;
32	>	import java.util.concurrent.atomic.AtomicInteger;
33	>	import java.util.concurrent.atomic.AtomicLong;
34	>	import java.util.stream.Stream;
35	>
36	>	import junit.framework.Test;
37	>	import junit.framework.TestSuite;
38
39		public class ScheduledExecutorTest extends JSR166TestCase {
40		public static void main(String[] args) {
41	<	junit.textui.TestRunner.run(suite());
41	>	main(suite(), args);
42		}
43		public static Test suite() {
44		return new TestSuite(ScheduledExecutorTest.class);
#	Line 24 | Line 48 | public class ScheduledExecutorTest exten
48		* execute successfully executes a runnable
49		*/
50		public void testExecute() throws InterruptedException {
51	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
52	<	final CountDownLatch done = new CountDownLatch(1);
53	<	final Runnable task = new CheckedRunnable() {
54	<	public void realRun() {
55	<	done.countDown();
32	<	}};
33	<	try {
51	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
52	>	try (PoolCleaner cleaner = cleaner(p)) {
53	>	final CountDownLatch done = new CountDownLatch(1);
54	>	final Runnable task = new CheckedRunnable() {
55	>	public void realRun() { done.countDown(); }};
56		p.execute(task);
57	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
36	<	} finally {
37	<	joinPool(p);
57	>	await(done);
58		}
59		}
60
#	Line 42 | Line 62 | public class ScheduledExecutorTest exten
62		* delayed schedule of callable successfully executes after delay
63		*/
64		public void testSchedule1() throws Exception {
65	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
66	<	final long startTime = System.nanoTime();
67	<	final CountDownLatch done = new CountDownLatch(1);
68	<	try {
65	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
66	>	try (PoolCleaner cleaner = cleaner(p)) {
67	>	final long startTime = System.nanoTime();
68	>	final CountDownLatch done = new CountDownLatch(1);
69		Callable task = new CheckedCallable<Boolean>() {
70		public Boolean realCall() {
71		done.countDown();
#	Line 55 | Line 75 | public class ScheduledExecutorTest exten
75		Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
76		assertSame(Boolean.TRUE, f.get());
77		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
78	<	assertTrue(done.await(0L, MILLISECONDS));
59	<	} finally {
60	<	joinPool(p);
78	>	assertEquals(0L, done.getCount());
79		}
80		}
81
#	Line 65 | Line 83 | public class ScheduledExecutorTest exten
83		* delayed schedule of runnable successfully executes after delay
84		*/
85		public void testSchedule3() throws Exception {
86	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
87	<	final long startTime = System.nanoTime();
88	<	final CountDownLatch done = new CountDownLatch(1);
89	<	try {
86	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
87	>	try (PoolCleaner cleaner = cleaner(p)) {
88	>	final long startTime = System.nanoTime();
89	>	final CountDownLatch done = new CountDownLatch(1);
90		Runnable task = new CheckedRunnable() {
91		public void realRun() {
92		done.countDown();
#	Line 78 | Line 96 | public class ScheduledExecutorTest exten
96		await(done);
97		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
98		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
81	–	} finally {
82	–	joinPool(p);
99		}
100		}
101
#	Line 87 | Line 103 | public class ScheduledExecutorTest exten
103		* scheduleAtFixedRate executes runnable after given initial delay
104		*/
105		public void testSchedule4() throws Exception {
106	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
107	<	final long startTime = System.nanoTime();
108	<	final CountDownLatch done = new CountDownLatch(1);
109	<	try {
106	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
107	>	try (PoolCleaner cleaner = cleaner(p)) {
108	>	final long startTime = System.nanoTime();
109	>	final CountDownLatch done = new CountDownLatch(1);
110		Runnable task = new CheckedRunnable() {
111		public void realRun() {
112		done.countDown();
#	Line 102 | Line 118 | public class ScheduledExecutorTest exten
118		await(done);
119		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
120		f.cancel(true);
105	–	} finally {
106	–	joinPool(p);
121		}
122		}
123
#	Line 111 | Line 125 | public class ScheduledExecutorTest exten
125		* scheduleWithFixedDelay executes runnable after given initial delay
126		*/
127		public void testSchedule5() throws Exception {
128	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
129	<	final long startTime = System.nanoTime();
130	<	final CountDownLatch done = new CountDownLatch(1);
131	<	try {
128	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
129	>	try (PoolCleaner cleaner = cleaner(p)) {
130	>	final long startTime = System.nanoTime();
131	>	final CountDownLatch done = new CountDownLatch(1);
132		Runnable task = new CheckedRunnable() {
133		public void realRun() {
134		done.countDown();
#	Line 126 | Line 140 | public class ScheduledExecutorTest exten
140		await(done);
141		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
142		f.cancel(true);
129	–	} finally {
130	–	joinPool(p);
143		}
144		}
145
#	Line 137 | Line 149 | public class ScheduledExecutorTest exten
149		}
150
151		/**
152	<	* scheduleAtFixedRate executes series of tasks at given rate
152	>	* scheduleAtFixedRate executes series of tasks at given rate.
153	>	* Eventually, it must hold that:
154	>	*   cycles - 1 <= elapsedMillis/delay < cycles
155		*/
156		public void testFixedRateSequence() throws InterruptedException {
157	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
158	<	RunnableCounter counter = new RunnableCounter();
159	<	ScheduledFuture h =
160	<	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
161	<	delay(SMALL_DELAY_MS);
162	<	h.cancel(true);
163	<	int c = counter.count.get();
164	<	// By time scaling conventions, we must have at least
165	<	// an execution per SHORT delay, but no more than one SHORT more
166	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
167	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
168	<	joinPool(p);
157	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
160	>	final long startTime = System.nanoTime();
161	>	final int cycles = 8;
162	>	final CountDownLatch done = new CountDownLatch(cycles);
163	>	final Runnable task = new CheckedRunnable() {
164	>	public void realRun() { done.countDown(); }};
165	>	final ScheduledFuture periodicTask =
166	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
167	>	final int totalDelayMillis = (cycles - 1) * delay;
168	>	await(done, totalDelayMillis + LONG_DELAY_MS);
169	>	periodicTask.cancel(true);
170	>	final long elapsedMillis = millisElapsedSince(startTime);
171	>	assertTrue(elapsedMillis >= totalDelayMillis);
172	>	if (elapsedMillis <= cycles * delay)
173	>	return;
174	>	// else retry with longer delay
175	>	}
176	>	fail("unexpected execution rate");
177	>	}
178		}
179
180		/**
181	<	* scheduleWithFixedDelay executes series of tasks with given period
181	>	* scheduleWithFixedDelay executes series of tasks with given period.
182	>	* Eventually, it must hold that each task starts at least delay and at
183	>	* most 2 * delay after the termination of the previous task.
184		*/
185		public void testFixedDelaySequence() throws InterruptedException {
186	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
187	<	RunnableCounter counter = new RunnableCounter();
188	<	ScheduledFuture h =
189	<	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
190	<	delay(SMALL_DELAY_MS);
191	<	h.cancel(true);
192	<	int c = counter.count.get();
193	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
194	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
195	<	joinPool(p);
186	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
187	>	try (PoolCleaner cleaner = cleaner(p)) {
188	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
189	>	final long startTime = System.nanoTime();
190	>	final AtomicLong previous = new AtomicLong(startTime);
191	>	final AtomicBoolean tryLongerDelay = new AtomicBoolean(false);
192	>	final int cycles = 8;
193	>	final CountDownLatch done = new CountDownLatch(cycles);
194	>	final int d = delay;
195	>	final Runnable task = new CheckedRunnable() {
196	>	public void realRun() {
197	>	long now = System.nanoTime();
198	>	long elapsedMillis
199	>	= NANOSECONDS.toMillis(now - previous.get());
200	>	if (done.getCount() == cycles) { // first execution
201	>	if (elapsedMillis >= d)
202	>	tryLongerDelay.set(true);
203	>	} else {
204	>	assertTrue(elapsedMillis >= d);
205	>	if (elapsedMillis >= 2 * d)
206	>	tryLongerDelay.set(true);
207	>	}
208	>	previous.set(now);
209	>	done.countDown();
210	>	}};
211	>	final ScheduledFuture periodicTask =
212	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
213	>	final int totalDelayMillis = (cycles - 1) * delay;
214	>	await(done, totalDelayMillis + cycles * LONG_DELAY_MS);
215	>	periodicTask.cancel(true);
216	>	final long elapsedMillis = millisElapsedSince(startTime);
217	>	assertTrue(elapsedMillis >= totalDelayMillis);
218	>	if (!tryLongerDelay.get())
219	>	return;
220	>	// else retry with longer delay
221	>	}
222	>	fail("unexpected execution rate");
223	>	}
224		}
225
226		/**
227		* execute(null) throws NPE
228		*/
229		public void testExecuteNull() throws InterruptedException {
230	<	ScheduledThreadPoolExecutor se = null;
231	<	try {
232	<	se = new ScheduledThreadPoolExecutor(1);
233	<	se.execute(null);
234	<	shouldThrow();
235	<	} catch (NullPointerException success) {}
236	<
184	<	joinPool(se);
230	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
231	>	try (PoolCleaner cleaner = cleaner(p)) {
232	>	try {
233	>	p.execute(null);
234	>	shouldThrow();
235	>	} catch (NullPointerException success) {}
236	>	}
237		}
238
239		/**
240		* schedule(null) throws NPE
241		*/
242		public void testScheduleNull() throws InterruptedException {
243	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
244	<	try {
245	<	TrackedCallable callable = null;
246	<	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
247	<	shouldThrow();
248	<	} catch (NullPointerException success) {}
249	<	joinPool(se);
243	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
244	>	try (PoolCleaner cleaner = cleaner(p)) {
245	>	try {
246	>	Future f = p.schedule((Callable)null,
247	>	randomTimeout(), randomTimeUnit());
248	>	shouldThrow();
249	>	} catch (NullPointerException success) {}
250	>	}
251		}
252
253		/**
254		* execute throws RejectedExecutionException if shutdown
255		*/
256		public void testSchedule1_RejectedExecutionException() throws InterruptedException {
257	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
258	<	try {
259	<	se.shutdown();
260	<	se.schedule(new NoOpRunnable(),
261	<	MEDIUM_DELAY_MS, MILLISECONDS);
262	<	shouldThrow();
263	<	} catch (RejectedExecutionException success) {
264	<	} catch (SecurityException ok) {
257	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
258	>	try (PoolCleaner cleaner = cleaner(p)) {
259	>	try {
260	>	p.shutdown();
261	>	p.schedule(new NoOpRunnable(),
262	>	randomTimeout(), randomTimeUnit());
263	>	shouldThrow();
264	>	} catch (RejectedExecutionException success) {
265	>	} catch (SecurityException ok) {}
266		}
213	–
214	–	joinPool(se);
267		}
268
269		/**
270		* schedule throws RejectedExecutionException if shutdown
271		*/
272		public void testSchedule2_RejectedExecutionException() throws InterruptedException {
273	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
274	<	try {
275	<	se.shutdown();
276	<	se.schedule(new NoOpCallable(),
277	<	MEDIUM_DELAY_MS, MILLISECONDS);
278	<	shouldThrow();
279	<	} catch (RejectedExecutionException success) {
280	<	} catch (SecurityException ok) {
273	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
274	>	try (PoolCleaner cleaner = cleaner(p)) {
275	>	try {
276	>	p.shutdown();
277	>	p.schedule(new NoOpCallable(),
278	>	randomTimeout(), randomTimeUnit());
279	>	shouldThrow();
280	>	} catch (RejectedExecutionException success) {
281	>	} catch (SecurityException ok) {}
282		}
230	–	joinPool(se);
283		}
284
285		/**
286		* schedule callable throws RejectedExecutionException if shutdown
287		*/
288		public void testSchedule3_RejectedExecutionException() throws InterruptedException {
289	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
290	<	try {
291	<	se.shutdown();
292	<	se.schedule(new NoOpCallable(),
293	<	MEDIUM_DELAY_MS, MILLISECONDS);
294	<	shouldThrow();
295	<	} catch (RejectedExecutionException success) {
296	<	} catch (SecurityException ok) {
289	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
290	>	try (PoolCleaner cleaner = cleaner(p)) {
291	>	try {
292	>	p.shutdown();
293	>	p.schedule(new NoOpCallable(),
294	>	randomTimeout(), randomTimeUnit());
295	>	shouldThrow();
296	>	} catch (RejectedExecutionException success) {
297	>	} catch (SecurityException ok) {}
298		}
246	–	joinPool(se);
299		}
300
301		/**
302		* scheduleAtFixedRate throws RejectedExecutionException if shutdown
303		*/
304		public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
305	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
306	<	try {
307	<	se.shutdown();
308	<	se.scheduleAtFixedRate(new NoOpRunnable(),
309	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
310	<	shouldThrow();
311	<	} catch (RejectedExecutionException success) {
312	<	} catch (SecurityException ok) {
305	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
306	>	try (PoolCleaner cleaner = cleaner(p)) {
307	>	try {
308	>	p.shutdown();
309	>	p.scheduleAtFixedRate(new NoOpRunnable(),
310	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
311	>	shouldThrow();
312	>	} catch (RejectedExecutionException success) {
313	>	} catch (SecurityException ok) {}
314		}
262	–	joinPool(se);
315		}
316
317		/**
318		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
319		*/
320		public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
321	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
322	<	try {
323	<	se.shutdown();
324	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
325	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
326	<	shouldThrow();
327	<	} catch (RejectedExecutionException success) {
328	<	} catch (SecurityException ok) {
321	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
322	>	try (PoolCleaner cleaner = cleaner(p)) {
323	>	try {
324	>	p.shutdown();
325	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
326	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
327	>	shouldThrow();
328	>	} catch (RejectedExecutionException success) {
329	>	} catch (SecurityException ok) {}
330		}
278	–	joinPool(se);
331		}
332
333		/**
#	Line 283 | Line 335 | public class ScheduledExecutorTest exten
335		* thread becomes active
336		*/
337		public void testGetActiveCount() throws InterruptedException {
286	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
287	–	final CountDownLatch threadStarted = new CountDownLatch(1);
338		final CountDownLatch done = new CountDownLatch(1);
339	<	try {
339	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
340	>	try (PoolCleaner cleaner = cleaner(p, done)) {
341	>	final CountDownLatch threadStarted = new CountDownLatch(1);
342		assertEquals(0, p.getActiveCount());
343		p.execute(new CheckedRunnable() {
344		public void realRun() throws InterruptedException {
345		threadStarted.countDown();
346		assertEquals(1, p.getActiveCount());
347	<	done.await();
347	>	await(done);
348		}});
349	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
349	>	await(threadStarted);
350		assertEquals(1, p.getActiveCount());
299	–	} finally {
300	–	done.countDown();
301	–	joinPool(p);
351		}
352		}
353
#	Line 308 | Line 357 | public class ScheduledExecutorTest exten
357		*/
358		public void testGetCompletedTaskCount() throws InterruptedException {
359		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
360	<	final CountDownLatch threadStarted = new CountDownLatch(1);
361	<	final CountDownLatch threadProceed = new CountDownLatch(1);
362	<	final CountDownLatch threadDone = new CountDownLatch(1);
363	<	try {
360	>	try (PoolCleaner cleaner = cleaner(p)) {
361	>	final CountDownLatch threadStarted = new CountDownLatch(1);
362	>	final CountDownLatch threadProceed = new CountDownLatch(1);
363	>	final CountDownLatch threadDone = new CountDownLatch(1);
364		assertEquals(0, p.getCompletedTaskCount());
365		p.execute(new CheckedRunnable() {
366		public void realRun() throws InterruptedException {
367		threadStarted.countDown();
368		assertEquals(0, p.getCompletedTaskCount());
369	<	threadProceed.await();
369	>	await(threadProceed);
370		threadDone.countDown();
371		}});
372	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
372	>	await(threadStarted);
373		assertEquals(0, p.getCompletedTaskCount());
374		threadProceed.countDown();
375	<	threadDone.await();
375	>	await(threadDone);
376		long startTime = System.nanoTime();
377		while (p.getCompletedTaskCount() != 1) {
378		if (millisElapsedSince(startTime) > LONG_DELAY_MS)
379		fail("timed out");
380		Thread.yield();
381		}
333	–	} finally {
334	–	joinPool(p);
382		}
383		}
384
#	Line 340 | Line 387 | public class ScheduledExecutorTest exten
387		*/
388		public void testGetCorePoolSize() throws InterruptedException {
389		ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
390	<	assertEquals(1, p.getCorePoolSize());
391	<	joinPool(p);
390	>	try (PoolCleaner cleaner = cleaner(p)) {
391	>	assertEquals(1, p.getCorePoolSize());
392	>	}
393		}
394
395		/**
#	Line 353 | Line 401 | public class ScheduledExecutorTest exten
401		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
402		final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
403		final CountDownLatch done = new CountDownLatch(1);
404	<	try {
404	>	try (PoolCleaner cleaner = cleaner(p, done)) {
405		assertEquals(0, p.getLargestPoolSize());
406		for (int i = 0; i < THREADS; i++)
407		p.execute(new CheckedRunnable() {
408		public void realRun() throws InterruptedException {
409		threadsStarted.countDown();
410	<	done.await();
410	>	await(done);
411		assertEquals(THREADS, p.getLargestPoolSize());
412		}});
413	<	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
366	<	assertEquals(THREADS, p.getLargestPoolSize());
367	<	} finally {
368	<	done.countDown();
369	<	joinPool(p);
413	>	await(threadsStarted);
414		assertEquals(THREADS, p.getLargestPoolSize());
415		}
416	+	assertEquals(THREADS, p.getLargestPoolSize());
417		}
418
419		/**
#	Line 379 | Line 424 | public class ScheduledExecutorTest exten
424		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
425		final CountDownLatch threadStarted = new CountDownLatch(1);
426		final CountDownLatch done = new CountDownLatch(1);
427	<	try {
427	>	try (PoolCleaner cleaner = cleaner(p, done)) {
428		assertEquals(0, p.getPoolSize());
429		p.execute(new CheckedRunnable() {
430		public void realRun() throws InterruptedException {
431		threadStarted.countDown();
432		assertEquals(1, p.getPoolSize());
433	<	done.await();
433	>	await(done);
434		}});
435	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
435	>	await(threadStarted);
436		assertEquals(1, p.getPoolSize());
392	–	} finally {
393	–	done.countDown();
394	–	joinPool(p);
437		}
438		}
439
#	Line 400 | Line 442 | public class ScheduledExecutorTest exten
442		* submitted
443		*/
444		public void testGetTaskCount() throws InterruptedException {
445	<	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
404	<	final CountDownLatch threadStarted = new CountDownLatch(1);
445	>	final int TASKS = 3;
446		final CountDownLatch done = new CountDownLatch(1);
447	<	final int TASKS = 5;
448	<	try {
447	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
448	>	try (PoolCleaner cleaner = cleaner(p, done)) {
449	>	final CountDownLatch threadStarted = new CountDownLatch(1);
450		assertEquals(0, p.getTaskCount());
451	<	for (int i = 0; i < TASKS; i++)
451	>	assertEquals(0, p.getCompletedTaskCount());
452	>	p.execute(new CheckedRunnable() {
453	>	public void realRun() throws InterruptedException {
454	>	threadStarted.countDown();
455	>	await(done);
456	>	}});
457	>	await(threadStarted);
458	>	assertEquals(1, p.getTaskCount());
459	>	assertEquals(0, p.getCompletedTaskCount());
460	>	for (int i = 0; i < TASKS; i++) {
461	>	assertEquals(1 + i, p.getTaskCount());
462		p.execute(new CheckedRunnable() {
463		public void realRun() throws InterruptedException {
464		threadStarted.countDown();
465	<	done.await();
465	>	assertEquals(1 + TASKS, p.getTaskCount());
466	>	await(done);
467		}});
468	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
469	<	assertEquals(TASKS, p.getTaskCount());
470	<	} finally {
418	<	done.countDown();
419	<	joinPool(p);
468	>	}
469	>	assertEquals(1 + TASKS, p.getTaskCount());
470	>	assertEquals(0, p.getCompletedTaskCount());
471		}
472	+	assertEquals(1 + TASKS, p.getTaskCount());
473	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
474		}
475
476		/**
477		* getThreadFactory returns factory in constructor if not set
478		*/
479		public void testGetThreadFactory() throws InterruptedException {
480	<	ThreadFactory tf = new SimpleThreadFactory();
481	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
482	<	assertSame(tf, p.getThreadFactory());
483	<	joinPool(p);
480	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
481	>	final ScheduledThreadPoolExecutor p =
482	>	new ScheduledThreadPoolExecutor(1, threadFactory);
483	>	try (PoolCleaner cleaner = cleaner(p)) {
484	>	assertSame(threadFactory, p.getThreadFactory());
485	>	}
486		}
487
488		/**
489		* setThreadFactory sets the thread factory returned by getThreadFactory
490		*/
491		public void testSetThreadFactory() throws InterruptedException {
492	<	ThreadFactory tf = new SimpleThreadFactory();
493	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
494	<	p.setThreadFactory(tf);
495	<	assertSame(tf, p.getThreadFactory());
496	<	joinPool(p);
492	>	ThreadFactory threadFactory = new SimpleThreadFactory();
493	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
494	>	try (PoolCleaner cleaner = cleaner(p)) {
495	>	p.setThreadFactory(threadFactory);
496	>	assertSame(threadFactory, p.getThreadFactory());
497	>	}
498		}
499
500		/**
501		* setThreadFactory(null) throws NPE
502		*/
503		public void testSetThreadFactoryNull() throws InterruptedException {
504	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
505	<	try {
506	<	p.setThreadFactory(null);
507	<	shouldThrow();
508	<	} catch (NullPointerException success) {
509	<	} finally {
510	<	joinPool(p);
504	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
505	>	try (PoolCleaner cleaner = cleaner(p)) {
506	>	try {
507	>	p.setThreadFactory(null);
508	>	shouldThrow();
509	>	} catch (NullPointerException success) {}
510	>	}
511	>	}
512	>
513	>	/**
514	>	* The default rejected execution handler is AbortPolicy.
515	>	*/
516	>	public void testDefaultRejectedExecutionHandler() {
517	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
518	>	try (PoolCleaner cleaner = cleaner(p)) {
519	>	assertTrue(p.getRejectedExecutionHandler()
520	>	instanceof ThreadPoolExecutor.AbortPolicy);
521		}
522		}
523
#	Line 459 | Line 525 | public class ScheduledExecutorTest exten
525		* isShutdown is false before shutdown, true after
526		*/
527		public void testIsShutdown() {
528	<
529	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
530	<	try {
531	<	assertFalse(p.isShutdown());
532	<	}
533	<	finally {
534	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
528	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
529	>	assertFalse(p.isShutdown());
530	>	try (PoolCleaner cleaner = cleaner(p)) {
531	>	try {
532	>	p.shutdown();
533	>	assertTrue(p.isShutdown());
534	>	} catch (SecurityException ok) {}
535		}
470	–	assertTrue(p.isShutdown());
536		}
537
538		/**
#	Line 475 | Line 540 | public class ScheduledExecutorTest exten
540		*/
541		public void testIsTerminated() throws InterruptedException {
542		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
543	<	final CountDownLatch threadStarted = new CountDownLatch(1);
544	<	final CountDownLatch done = new CountDownLatch(1);
545	<	assertFalse(p.isTerminated());
546	<	try {
543	>	try (PoolCleaner cleaner = cleaner(p)) {
544	>	final CountDownLatch threadStarted = new CountDownLatch(1);
545	>	final CountDownLatch done = new CountDownLatch(1);
546	>	assertFalse(p.isTerminated());
547		p.execute(new CheckedRunnable() {
548		public void realRun() throws InterruptedException {
549		assertFalse(p.isTerminated());
550		threadStarted.countDown();
551	<	done.await();
551	>	await(done);
552		}});
553	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
553	>	await(threadStarted);
554		assertFalse(p.isTerminating());
555		done.countDown();
491	–	} finally {
556		try { p.shutdown(); } catch (SecurityException ok) { return; }
557	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
558	+	assertTrue(p.isTerminated());
559		}
494	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
495	–	assertTrue(p.isTerminated());
560		}
561
562		/**
#	Line 502 | Line 566 | public class ScheduledExecutorTest exten
566		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
567		final CountDownLatch threadStarted = new CountDownLatch(1);
568		final CountDownLatch done = new CountDownLatch(1);
569	<	try {
569	>	try (PoolCleaner cleaner = cleaner(p)) {
570		assertFalse(p.isTerminating());
571		p.execute(new CheckedRunnable() {
572		public void realRun() throws InterruptedException {
573		assertFalse(p.isTerminating());
574		threadStarted.countDown();
575	<	done.await();
575	>	await(done);
576		}});
577	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
577	>	await(threadStarted);
578		assertFalse(p.isTerminating());
579		done.countDown();
516	–	} finally {
580		try { p.shutdown(); } catch (SecurityException ok) { return; }
581	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
582	+	assertTrue(p.isTerminated());
583	+	assertFalse(p.isTerminating());
584		}
519	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
520	–	assertTrue(p.isTerminated());
521	–	assertFalse(p.isTerminating());
585		}
586
587		/**
588		* getQueue returns the work queue, which contains queued tasks
589		*/
590		public void testGetQueue() throws InterruptedException {
528	–	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
529	–	final CountDownLatch threadStarted = new CountDownLatch(1);
591		final CountDownLatch done = new CountDownLatch(1);
592	<	try {
592	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
593	>	try (PoolCleaner cleaner = cleaner(p, done)) {
594	>	final CountDownLatch threadStarted = new CountDownLatch(1);
595		ScheduledFuture[] tasks = new ScheduledFuture[5];
596		for (int i = 0; i < tasks.length; i++) {
597		Runnable r = new CheckedRunnable() {
598		public void realRun() throws InterruptedException {
599		threadStarted.countDown();
600	<	done.await();
600	>	await(done);
601		}};
602		tasks[i] = p.schedule(r, 1, MILLISECONDS);
603		}
604	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
604	>	await(threadStarted);
605		BlockingQueue<Runnable> q = p.getQueue();
606		assertTrue(q.contains(tasks[tasks.length - 1]));
607		assertFalse(q.contains(tasks[0]));
545	–	} finally {
546	–	done.countDown();
547	–	joinPool(p);
608		}
609		}
610
#	Line 552 | Line 612 | public class ScheduledExecutorTest exten
612		* remove(task) removes queued task, and fails to remove active task
613		*/
614		public void testRemove() throws InterruptedException {
555	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
556	–	ScheduledFuture[] tasks = new ScheduledFuture[5];
557	–	final CountDownLatch threadStarted = new CountDownLatch(1);
615		final CountDownLatch done = new CountDownLatch(1);
616	<	try {
616	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
617	>	try (PoolCleaner cleaner = cleaner(p, done)) {
618	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
619	>	final CountDownLatch threadStarted = new CountDownLatch(1);
620		for (int i = 0; i < tasks.length; i++) {
621		Runnable r = new CheckedRunnable() {
622		public void realRun() throws InterruptedException {
623		threadStarted.countDown();
624	<	done.await();
624	>	await(done);
625		}};
626		tasks[i] = p.schedule(r, 1, MILLISECONDS);
627		}
628	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
628	>	await(threadStarted);
629		BlockingQueue<Runnable> q = p.getQueue();
630		assertFalse(p.remove((Runnable)tasks[0]));
631		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 576 | Line 636 | public class ScheduledExecutorTest exten
636		assertTrue(q.contains((Runnable)tasks[3]));
637		assertTrue(p.remove((Runnable)tasks[3]));
638		assertFalse(q.contains((Runnable)tasks[3]));
579	–	} finally {
580	–	done.countDown();
581	–	joinPool(p);
639		}
640		}
641
#	Line 586 | Line 643 | public class ScheduledExecutorTest exten
643		* purge eventually removes cancelled tasks from the queue
644		*/
645		public void testPurge() throws InterruptedException {
646	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
647	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
648	<	for (int i = 0; i < tasks.length; i++)
649	<	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
650	<	LONG_DELAY_MS, MILLISECONDS);
651	<	try {
646	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
647	>	final Runnable releaser = new Runnable() { public void run() {
648	>	for (ScheduledFuture task : tasks)
649	>	if (task != null) task.cancel(true); }};
650	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
651	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
652	>	for (int i = 0; i < tasks.length; i++)
653	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
654	>	LONG_DELAY_MS, MILLISECONDS);
655		int max = tasks.length;
656		if (tasks[4].cancel(true)) --max;
657		if (tasks[3].cancel(true)) --max;
#	Line 603 | Line 663 | public class ScheduledExecutorTest exten
663		long count = p.getTaskCount();
664		if (count == max)
665		return;
666	<	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
666	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
667		fail("Purge failed to remove cancelled tasks");
608	–	} finally {
609	–	for (ScheduledFuture task : tasks)
610	–	task.cancel(true);
611	–	joinPool(p);
668		}
669		}
670
671		/**
672	<	* shutdownNow returns a list containing tasks that were not run
672	>	* shutdownNow returns a list containing tasks that were not run,
673	>	* and those tasks are drained from the queue
674		*/
675	<	public void testShutdownNow() {
676	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
677	<	for (int i = 0; i < 5; i++)
678	<	p.schedule(new SmallPossiblyInterruptedRunnable(),
679	<	LONG_DELAY_MS, MILLISECONDS);
675	>	public void testShutdownNow() throws InterruptedException {
676	>	final int poolSize = 2;
677	>	final int count = 5;
678	>	final AtomicInteger ran = new AtomicInteger(0);
679	>	final ScheduledThreadPoolExecutor p =
680	>	new ScheduledThreadPoolExecutor(poolSize);
681	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
682	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
683	>	threadsStarted.countDown();
684	>	try {
685	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
686	>	} catch (InterruptedException success) {}
687	>	ran.getAndIncrement();
688	>	}};
689	>	for (int i = 0; i < count; i++)
690	>	p.execute(waiter);
691	>	await(threadsStarted);
692	>	assertEquals(poolSize, p.getActiveCount());
693	>	assertEquals(0, p.getCompletedTaskCount());
694	>	final List<Runnable> queuedTasks;
695		try {
696	<	List<Runnable> l = p.shutdownNow();
625	<	assertTrue(p.isShutdown());
626	<	assertEquals(5, l.size());
696	>	queuedTasks = p.shutdownNow();
697		} catch (SecurityException ok) {
698	<	// Allowed in case test doesn't have privs
629	<	} finally {
630	<	joinPool(p);
698	>	return; // Allowed in case test doesn't have privs
699		}
700	+	assertTrue(p.isShutdown());
701	+	assertTrue(p.getQueue().isEmpty());
702	+	assertEquals(count - poolSize, queuedTasks.size());
703	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
704	+	assertTrue(p.isTerminated());
705	+	assertEquals(poolSize, ran.get());
706	+	assertEquals(poolSize, p.getCompletedTaskCount());
707		}
708
709		/**
710	<	* In default setting, shutdown cancels periodic but not delayed
711	<	* tasks at shutdown
710	>	* shutdownNow returns a list containing tasks that were not run,
711	>	* and those tasks are drained from the queue
712		*/
713	<	public void testShutdown1() throws InterruptedException {
714	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
715	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
716	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
717	<
718	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
719	<	for (int i = 0; i < tasks.length; i++)
720	<	tasks[i] = p.schedule(new NoOpRunnable(),
721	<	SHORT_DELAY_MS, MILLISECONDS);
722	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
723	<	BlockingQueue<Runnable> q = p.getQueue();
724	<	for (ScheduledFuture task : tasks) {
725	<	assertFalse(task.isDone());
726	<	assertFalse(task.isCancelled());
727	<	assertTrue(q.contains(task));
713	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
714	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
715	>	List<ScheduledFuture> tasks = new ArrayList<>();
716	>	for (int i = 0; i < 3; i++) {
717	>	Runnable r = new NoOpRunnable();
718	>	tasks.add(p.schedule(r, 9, SECONDS));
719	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
720	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
721	>	}
722	>	if (testImplementationDetails)
723	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
724	>	final List<Runnable> queuedTasks;
725	>	try {
726	>	queuedTasks = p.shutdownNow();
727	>	} catch (SecurityException ok) {
728	>	return; // Allowed in case test doesn't have privs
729		}
730		assertTrue(p.isShutdown());
731	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
732	<	assertTrue(p.isTerminated());
731	>	assertTrue(p.getQueue().isEmpty());
732	>	if (testImplementationDetails)
733	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
734	>	assertEquals(tasks.size(), queuedTasks.size());
735		for (ScheduledFuture task : tasks) {
736	<	assertTrue(task.isDone());
736	>	assertFalse(task.isDone());
737		assertFalse(task.isCancelled());
738		}
739	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
740	+	assertTrue(p.isTerminated());
741		}
742
743		/**
744	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
745	<	* delayed tasks are cancelled at shutdown
746	<	*/
747	<	public void testShutdown2() throws InterruptedException {
748	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
749	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
750	<	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
751	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
752	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
753	<	for (int i = 0; i < tasks.length; i++)
754	<	tasks[i] = p.schedule(new NoOpRunnable(),
755	<	SHORT_DELAY_MS, MILLISECONDS);
756	<	BlockingQueue q = p.getQueue();
757	<	assertEquals(tasks.length, q.size());
758	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
759	<	assertTrue(p.isShutdown());
760	<	assertTrue(q.isEmpty());
761	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
762	<	assertTrue(p.isTerminated());
763	<	for (ScheduledFuture task : tasks) {
764	<	assertTrue(task.isDone());
765	<	assertTrue(task.isCancelled());
744	>	* By default, periodic tasks are cancelled at shutdown.
745	>	* By default, delayed tasks keep running after shutdown.
746	>	* Check that changing the default values work:
747	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
748	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
749	>	*/
750	>	public void testShutdown_cancellation() throws Exception {
751	>	final int poolSize = 4;
752	>	final ScheduledThreadPoolExecutor p
753	>	= new ScheduledThreadPoolExecutor(poolSize);
754	>	final BlockingQueue<Runnable> q = p.getQueue();
755	>	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
756	>	final long delay = rnd.nextInt(2);
757	>	final int rounds = rnd.nextInt(1, 3);
758	>	final boolean effectiveDelayedPolicy;
759	>	final boolean effectivePeriodicPolicy;
760	>	final boolean effectiveRemovePolicy;
761	>
762	>	if (rnd.nextBoolean())
763	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(
764	>	effectiveDelayedPolicy = rnd.nextBoolean());
765	>	else
766	>	effectiveDelayedPolicy = true;
767	>	assertEquals(effectiveDelayedPolicy,
768	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
769	>
770	>	if (rnd.nextBoolean())
771	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(
772	>	effectivePeriodicPolicy = rnd.nextBoolean());
773	>	else
774	>	effectivePeriodicPolicy = false;
775	>	assertEquals(effectivePeriodicPolicy,
776	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
777	>
778	>	if (rnd.nextBoolean())
779	>	p.setRemoveOnCancelPolicy(
780	>	effectiveRemovePolicy = rnd.nextBoolean());
781	>	else
782	>	effectiveRemovePolicy = false;
783	>	assertEquals(effectiveRemovePolicy,
784	>	p.getRemoveOnCancelPolicy());
785	>
786	>	final boolean periodicTasksContinue = effectivePeriodicPolicy && rnd.nextBoolean();
787	>
788	>	// Strategy: Wedge the pool with one wave of "blocker" tasks,
789	>	// then add a second wave that waits in the queue until unblocked.
790	>	final AtomicInteger ran = new AtomicInteger(0);
791	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
792	>	final CountDownLatch unblock = new CountDownLatch(1);
793	>	final RuntimeException exception = new RuntimeException();
794	>
795	>	class Task implements Runnable {
796	>	public void run() {
797	>	try {
798	>	ran.getAndIncrement();
799	>	poolBlocked.countDown();
800	>	await(unblock);
801	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
802	>	}
803		}
687	–	}
804
805	<	/**
806	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
807	<	* periodic tasks are cancelled at shutdown
808	<	*/
809	<	public void testShutdown3() throws InterruptedException {
810	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
811	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
812	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
813	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
814	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
815	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
816	<	long initialDelay = LONG_DELAY_MS;
817	<	ScheduledFuture task =
818	<	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
819	<	5, MILLISECONDS);
805	>	class PeriodicTask extends Task {
806	>	PeriodicTask(int rounds) { this.rounds = rounds; }
807	>	int rounds;
808	>	public void run() {
809	>	if (--rounds == 0) super.run();
810	>	// throw exception to surely terminate this periodic task,
811	>	// but in a separate execution and in a detectable way.
812	>	if (rounds == -1) throw exception;
813	>	}
814	>	}
815	>
816	>	Runnable task = new Task();
817	>
818	>	List<Future<?>> immediates = new ArrayList<>();
819	>	List<Future<?>> delayeds   = new ArrayList<>();
820	>	List<Future<?>> periodics  = new ArrayList<>();
821	>
822	>	immediates.add(p.submit(task));
823	>	delayeds.add(p.schedule(task, delay, MILLISECONDS));
824	>	periodics.add(p.scheduleAtFixedRate(
825	>	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
826	>	periodics.add(p.scheduleWithFixedDelay(
827	>	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
828	>
829	>	await(poolBlocked);
830	>
831	>	assertEquals(poolSize, ran.get());
832	>	assertEquals(poolSize, p.getActiveCount());
833	>	assertTrue(q.isEmpty());
834	>
835	>	// Add second wave of tasks.
836	>	immediates.add(p.submit(task));
837	>	delayeds.add(p.schedule(task, effectiveDelayedPolicy ? delay : LONG_DELAY_MS, MILLISECONDS));
838	>	periodics.add(p.scheduleAtFixedRate(
839	>	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
840	>	periodics.add(p.scheduleWithFixedDelay(
841	>	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
842	>
843	>	assertEquals(poolSize, q.size());
844	>	assertEquals(poolSize, ran.get());
845	>
846	>	immediates.forEach(
847	>	f -> assertTrue(((ScheduledFuture)f).getDelay(NANOSECONDS) <= 0L));
848	>
849	>	Stream.of(immediates, delayeds, periodics).flatMap(c -> c.stream())
850	>	.forEach(f -> assertFalse(f.isDone()));
851	>
852		try { p.shutdown(); } catch (SecurityException ok) { return; }
853		assertTrue(p.isShutdown());
854	<	assertTrue(p.getQueue().isEmpty());
855	<	assertTrue(task.isDone());
708	<	assertTrue(task.isCancelled());
709	<	joinPool(p);
710	<	}
854	>	assertTrue(p.isTerminating());
855	>	assertFalse(p.isTerminated());
856
857	<	/**
858	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
859	<	* periodic tasks are not cancelled at shutdown
860	<	*/
861	<	public void testShutdown4() throws InterruptedException {
862	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
863	<	final CountDownLatch counter = new CountDownLatch(2);
864	<	try {
865	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
866	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
867	<	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
868	<	final Runnable r = new CheckedRunnable() {
869	<	public void realRun() {
870	<	counter.countDown();
871	<	}};
872	<	ScheduledFuture task =
873	<	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
874	<	assertFalse(task.isDone());
875	<	assertFalse(task.isCancelled());
876	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
877	<	assertFalse(task.isCancelled());
878	<	assertFalse(p.isTerminated());
879	<	assertTrue(p.isShutdown());
880	<	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
881	<	assertFalse(task.isCancelled());
882	<	assertTrue(task.cancel(false));
883	<	assertTrue(task.isDone());
884	<	assertTrue(task.isCancelled());
885	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
886	<	assertTrue(p.isTerminated());
887	<	}
888	<	finally {
889	<	joinPool(p);
857	>	if (rnd.nextBoolean())
858	>	assertThrows(
859	>	RejectedExecutionException.class,
860	>	() -> p.submit(task),
861	>	() -> p.schedule(task, 1, SECONDS),
862	>	() -> p.scheduleAtFixedRate(
863	>	new PeriodicTask(1), 1, 1, SECONDS),
864	>	() -> p.scheduleWithFixedDelay(
865	>	new PeriodicTask(2), 1, 1, SECONDS));
866	>
867	>	assertTrue(q.contains(immediates.get(1)));
868	>	assertTrue(!effectiveDelayedPolicy
869	>	^ q.contains(delayeds.get(1)));
870	>	assertTrue(!effectivePeriodicPolicy
871	>	^ q.containsAll(periodics.subList(2, 4)));
872	>
873	>	immediates.forEach(f -> assertFalse(f.isDone()));
874	>
875	>	assertFalse(delayeds.get(0).isDone());
876	>	if (effectiveDelayedPolicy)
877	>	assertFalse(delayeds.get(1).isDone());
878	>	else
879	>	assertTrue(delayeds.get(1).isCancelled());
880	>
881	>	if (effectivePeriodicPolicy)
882	>	periodics.forEach(
883	>	f -> {
884	>	assertFalse(f.isDone());
885	>	if (!periodicTasksContinue) {
886	>	assertTrue(f.cancel(false));
887	>	assertTrue(f.isCancelled());
888	>	}
889	>	});
890	>	else {
891	>	periodics.subList(0, 2).forEach(f -> assertFalse(f.isDone()));
892	>	periodics.subList(2, 4).forEach(f -> assertTrue(f.isCancelled()));
893		}
894	+
895	+	unblock.countDown();    // Release all pool threads
896	+
897	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
898	+	assertFalse(p.isTerminating());
899	+	assertTrue(p.isTerminated());
900	+
901	+	assertTrue(q.isEmpty());
902	+
903	+	Stream.of(immediates, delayeds, periodics).flatMap(c -> c.stream())
904	+	.forEach(f -> assertTrue(f.isDone()));
905	+
906	+	for (Future<?> f : immediates) assertNull(f.get());
907	+
908	+	assertNull(delayeds.get(0).get());
909	+	if (effectiveDelayedPolicy)
910	+	assertNull(delayeds.get(1).get());
911	+	else
912	+	assertTrue(delayeds.get(1).isCancelled());
913	+
914	+	if (periodicTasksContinue)
915	+	periodics.forEach(
916	+	f -> {
917	+	try { f.get(); }
918	+	catch (ExecutionException success) {
919	+	assertSame(exception, success.getCause());
920	+	}
921	+	catch (Throwable fail) { threadUnexpectedException(fail); }
922	+	});
923	+	else
924	+	periodics.forEach(f -> assertTrue(f.isCancelled()));
925	+
926	+	assertEquals(poolSize + 1
927	+	+ (effectiveDelayedPolicy ? 1 : 0)
928	+	+ (periodicTasksContinue ? 2 : 0),
929	+	ran.get());
930		}
931
932		/**
933		* completed submit of callable returns result
934		*/
935		public void testSubmitCallable() throws Exception {
936	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
937	<	try {
936	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
937	>	try (PoolCleaner cleaner = cleaner(e)) {
938		Future<String> future = e.submit(new StringTask());
939		String result = future.get();
940		assertSame(TEST_STRING, result);
757	–	} finally {
758	–	joinPool(e);
941		}
942		}
943
#	Line 763 | Line 945 | public class ScheduledExecutorTest exten
945		* completed submit of runnable returns successfully
946		*/
947		public void testSubmitRunnable() throws Exception {
948	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
949	<	try {
948	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
949	>	try (PoolCleaner cleaner = cleaner(e)) {
950		Future<?> future = e.submit(new NoOpRunnable());
951		future.get();
952		assertTrue(future.isDone());
771	–	} finally {
772	–	joinPool(e);
953		}
954		}
955
#	Line 777 | Line 957 | public class ScheduledExecutorTest exten
957		* completed submit of (runnable, result) returns result
958		*/
959		public void testSubmitRunnable2() throws Exception {
960	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
961	<	try {
960	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
961	>	try (PoolCleaner cleaner = cleaner(e)) {
962		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
963		String result = future.get();
964		assertSame(TEST_STRING, result);
785	–	} finally {
786	–	joinPool(e);
965		}
966		}
967
968		/**
969	<	* invokeAny(null) throws NPE
969	>	* invokeAny(null) throws NullPointerException
970		*/
971		public void testInvokeAny1() throws Exception {
972	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
973	<	try {
974	<	e.invokeAny(null);
975	<	shouldThrow();
976	<	} catch (NullPointerException success) {
977	<	} finally {
800	<	joinPool(e);
972	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
973	>	try (PoolCleaner cleaner = cleaner(e)) {
974	>	try {
975	>	e.invokeAny(null);
976	>	shouldThrow();
977	>	} catch (NullPointerException success) {}
978		}
979		}
980
981		/**
982	<	* invokeAny(empty collection) throws IAE
982	>	* invokeAny(empty collection) throws IllegalArgumentException
983		*/
984		public void testInvokeAny2() throws Exception {
985	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
986	<	try {
987	<	e.invokeAny(new ArrayList<Callable<String>>());
988	<	shouldThrow();
989	<	} catch (IllegalArgumentException success) {
990	<	} finally {
814	<	joinPool(e);
985	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
986	>	try (PoolCleaner cleaner = cleaner(e)) {
987	>	try {
988	>	e.invokeAny(new ArrayList<Callable<String>>());
989	>	shouldThrow();
990	>	} catch (IllegalArgumentException success) {}
991		}
992		}
993
994		/**
995	<	* invokeAny(c) throws NPE if c has null elements
995	>	* invokeAny(c) throws NullPointerException if c has null elements
996		*/
997		public void testInvokeAny3() throws Exception {
998		CountDownLatch latch = new CountDownLatch(1);
999	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1000	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1001	<	l.add(latchAwaitingStringTask(latch));
1002	<	l.add(null);
1003	<	try {
1004	<	e.invokeAny(l);
1005	<	shouldThrow();
1006	<	} catch (NullPointerException success) {
1007	<	} finally {
999	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1000	>	try (PoolCleaner cleaner = cleaner(e)) {
1001	>	List<Callable<String>> l = new ArrayList<>();
1002	>	l.add(latchAwaitingStringTask(latch));
1003	>	l.add(null);
1004	>	try {
1005	>	e.invokeAny(l);
1006	>	shouldThrow();
1007	>	} catch (NullPointerException success) {}
1008		latch.countDown();
833	–	joinPool(e);
1009		}
1010		}
1011
#	Line 838 | Line 1013 | public class ScheduledExecutorTest exten
1013		* invokeAny(c) throws ExecutionException if no task completes
1014		*/
1015		public void testInvokeAny4() throws Exception {
1016	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1017	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1018	<	l.add(new NPETask());
1019	<	try {
1020	<	e.invokeAny(l);
1021	<	shouldThrow();
1022	<	} catch (ExecutionException success) {
1023	<	assertTrue(success.getCause() instanceof NullPointerException);
1024	<	} finally {
1025	<	joinPool(e);
1016	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1017	>	try (PoolCleaner cleaner = cleaner(e)) {
1018	>	List<Callable<String>> l = new ArrayList<>();
1019	>	l.add(new NPETask());
1020	>	try {
1021	>	e.invokeAny(l);
1022	>	shouldThrow();
1023	>	} catch (ExecutionException success) {
1024	>	assertTrue(success.getCause() instanceof NullPointerException);
1025	>	}
1026		}
1027		}
1028
#	Line 855 | Line 1030 | public class ScheduledExecutorTest exten
1030		* invokeAny(c) returns result of some task
1031		*/
1032		public void testInvokeAny5() throws Exception {
1033	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1034	<	try {
1035	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1033	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1034	>	try (PoolCleaner cleaner = cleaner(e)) {
1035	>	List<Callable<String>> l = new ArrayList<>();
1036		l.add(new StringTask());
1037		l.add(new StringTask());
1038		String result = e.invokeAny(l);
1039		assertSame(TEST_STRING, result);
865	–	} finally {
866	–	joinPool(e);
1040		}
1041		}
1042
#	Line 871 | Line 1044 | public class ScheduledExecutorTest exten
1044		* invokeAll(null) throws NPE
1045		*/
1046		public void testInvokeAll1() throws Exception {
1047	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1048	<	try {
1049	<	e.invokeAll(null);
1050	<	shouldThrow();
1051	<	} catch (NullPointerException success) {
1052	<	} finally {
880	<	joinPool(e);
1047	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1048	>	try (PoolCleaner cleaner = cleaner(e)) {
1049	>	try {
1050	>	e.invokeAll(null);
1051	>	shouldThrow();
1052	>	} catch (NullPointerException success) {}
1053		}
1054		}
1055
1056		/**
1057	<	* invokeAll(empty collection) returns empty collection
1057	>	* invokeAll(empty collection) returns empty list
1058		*/
1059		public void testInvokeAll2() throws Exception {
1060	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1061	<	try {
1062	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1060	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1061	>	final Collection<Callable<String>> emptyCollection
1062	>	= Collections.emptyList();
1063	>	try (PoolCleaner cleaner = cleaner(e)) {
1064	>	List<Future<String>> r = e.invokeAll(emptyCollection);
1065		assertTrue(r.isEmpty());
892	–	} finally {
893	–	joinPool(e);
1066		}
1067		}
1068
#	Line 898 | Line 1070 | public class ScheduledExecutorTest exten
1070		* invokeAll(c) throws NPE if c has null elements
1071		*/
1072		public void testInvokeAll3() throws Exception {
1073	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1074	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1075	<	l.add(new StringTask());
1076	<	l.add(null);
1077	<	try {
1078	<	e.invokeAll(l);
1079	<	shouldThrow();
1080	<	} catch (NullPointerException success) {
1081	<	} finally {
910	<	joinPool(e);
1073	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1074	>	try (PoolCleaner cleaner = cleaner(e)) {
1075	>	List<Callable<String>> l = new ArrayList<>();
1076	>	l.add(new StringTask());
1077	>	l.add(null);
1078	>	try {
1079	>	e.invokeAll(l);
1080	>	shouldThrow();
1081	>	} catch (NullPointerException success) {}
1082		}
1083		}
1084
#	Line 915 | Line 1086 | public class ScheduledExecutorTest exten
1086		* get of invokeAll(c) throws exception on failed task
1087		*/
1088		public void testInvokeAll4() throws Exception {
1089	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1090	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1091	<	l.add(new NPETask());
1092	<	List<Future<String>> futures = e.invokeAll(l);
1093	<	assertEquals(1, futures.size());
1094	<	try {
1095	<	futures.get(0).get();
1096	<	shouldThrow();
1097	<	} catch (ExecutionException success) {
1098	<	assertTrue(success.getCause() instanceof NullPointerException);
1099	<	} finally {
1100	<	joinPool(e);
1089	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1090	>	try (PoolCleaner cleaner = cleaner(e)) {
1091	>	List<Callable<String>> l = new ArrayList<>();
1092	>	l.add(new NPETask());
1093	>	List<Future<String>> futures = e.invokeAll(l);
1094	>	assertEquals(1, futures.size());
1095	>	try {
1096	>	futures.get(0).get();
1097	>	shouldThrow();
1098	>	} catch (ExecutionException success) {
1099	>	assertTrue(success.getCause() instanceof NullPointerException);
1100	>	}
1101		}
1102		}
1103
#	Line 934 | Line 1105 | public class ScheduledExecutorTest exten
1105		* invokeAll(c) returns results of all completed tasks
1106		*/
1107		public void testInvokeAll5() throws Exception {
1108	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1109	<	try {
1110	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1108	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1109	>	try (PoolCleaner cleaner = cleaner(e)) {
1110	>	List<Callable<String>> l = new ArrayList<>();
1111		l.add(new StringTask());
1112		l.add(new StringTask());
1113		List<Future<String>> futures = e.invokeAll(l);
1114		assertEquals(2, futures.size());
1115		for (Future<String> future : futures)
1116		assertSame(TEST_STRING, future.get());
946	–	} finally {
947	–	joinPool(e);
1117		}
1118		}
1119
#	Line 952 | Line 1121 | public class ScheduledExecutorTest exten
1121		* timed invokeAny(null) throws NPE
1122		*/
1123		public void testTimedInvokeAny1() throws Exception {
1124	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1125	<	try {
1126	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1127	<	shouldThrow();
1128	<	} catch (NullPointerException success) {
1129	<	} finally {
961	<	joinPool(e);
1124	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1125	>	try (PoolCleaner cleaner = cleaner(e)) {
1126	>	try {
1127	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
1128	>	shouldThrow();
1129	>	} catch (NullPointerException success) {}
1130		}
1131		}
1132
1133		/**
1134	<	* timed invokeAny(,,null) throws NPE
1134	>	* timed invokeAny(,,null) throws NullPointerException
1135		*/
1136		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1137	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1138	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1139	<	l.add(new StringTask());
1140	<	try {
1141	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1142	<	shouldThrow();
1143	<	} catch (NullPointerException success) {
1144	<	} finally {
977	<	joinPool(e);
1137	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1138	>	try (PoolCleaner cleaner = cleaner(e)) {
1139	>	List<Callable<String>> l = new ArrayList<>();
1140	>	l.add(new StringTask());
1141	>	try {
1142	>	e.invokeAny(l, randomTimeout(), null);
1143	>	shouldThrow();
1144	>	} catch (NullPointerException success) {}
1145		}
1146		}
1147
1148		/**
1149	<	* timed invokeAny(empty collection) throws IAE
1149	>	* timed invokeAny(empty collection) throws IllegalArgumentException
1150		*/
1151		public void testTimedInvokeAny2() throws Exception {
1152	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1153	<	try {
1154	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1155	<	shouldThrow();
1156	<	} catch (IllegalArgumentException success) {
1157	<	} finally {
1158	<	joinPool(e);
1152	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1153	>	final Collection<Callable<String>> emptyCollection
1154	>	= Collections.emptyList();
1155	>	try (PoolCleaner cleaner = cleaner(e)) {
1156	>	try {
1157	>	e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit());
1158	>	shouldThrow();
1159	>	} catch (IllegalArgumentException success) {}
1160		}
1161		}
1162
#	Line 997 | Line 1165 | public class ScheduledExecutorTest exten
1165		*/
1166		public void testTimedInvokeAny3() throws Exception {
1167		CountDownLatch latch = new CountDownLatch(1);
1168	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1169	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1170	<	l.add(latchAwaitingStringTask(latch));
1171	<	l.add(null);
1172	<	try {
1173	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1174	<	shouldThrow();
1175	<	} catch (NullPointerException success) {
1176	<	} finally {
1168	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1169	>	try (PoolCleaner cleaner = cleaner(e)) {
1170	>	List<Callable<String>> l = new ArrayList<>();
1171	>	l.add(latchAwaitingStringTask(latch));
1172	>	l.add(null);
1173	>	try {
1174	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
1175	>	shouldThrow();
1176	>	} catch (NullPointerException success) {}
1177		latch.countDown();
1010	–	joinPool(e);
1178		}
1179		}
1180
#	Line 1015 | Line 1182 | public class ScheduledExecutorTest exten
1182		* timed invokeAny(c) throws ExecutionException if no task completes
1183		*/
1184		public void testTimedInvokeAny4() throws Exception {
1185	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1186	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1187	<	l.add(new NPETask());
1188	<	try {
1189	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1190	<	shouldThrow();
1191	<	} catch (ExecutionException success) {
1192	<	assertTrue(success.getCause() instanceof NullPointerException);
1193	<	} finally {
1194	<	joinPool(e);
1185	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1186	>	try (PoolCleaner cleaner = cleaner(e)) {
1187	>	long startTime = System.nanoTime();
1188	>	List<Callable<String>> l = new ArrayList<>();
1189	>	l.add(new NPETask());
1190	>	try {
1191	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1192	>	shouldThrow();
1193	>	} catch (ExecutionException success) {
1194	>	assertTrue(success.getCause() instanceof NullPointerException);
1195	>	}
1196	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1197		}
1198		}
1199
#	Line 1032 | Line 1201 | public class ScheduledExecutorTest exten
1201		* timed invokeAny(c) returns result of some task
1202		*/
1203		public void testTimedInvokeAny5() throws Exception {
1204	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1205	<	try {
1206	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1204	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1205	>	try (PoolCleaner cleaner = cleaner(e)) {
1206	>	long startTime = System.nanoTime();
1207	>	List<Callable<String>> l = new ArrayList<>();
1208		l.add(new StringTask());
1209		l.add(new StringTask());
1210	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1210	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1211		assertSame(TEST_STRING, result);
1212	<	} finally {
1043	<	joinPool(e);
1212	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1213		}
1214		}
1215
#	Line 1048 | Line 1217 | public class ScheduledExecutorTest exten
1217		* timed invokeAll(null) throws NPE
1218		*/
1219		public void testTimedInvokeAll1() throws Exception {
1220	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1221	<	try {
1222	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1223	<	shouldThrow();
1224	<	} catch (NullPointerException success) {
1225	<	} finally {
1057	<	joinPool(e);
1220	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1221	>	try (PoolCleaner cleaner = cleaner(e)) {
1222	>	try {
1223	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
1224	>	shouldThrow();
1225	>	} catch (NullPointerException success) {}
1226		}
1227		}
1228
#	Line 1062 | Line 1230 | public class ScheduledExecutorTest exten
1230		* timed invokeAll(,,null) throws NPE
1231		*/
1232		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1233	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1234	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1235	<	l.add(new StringTask());
1236	<	try {
1237	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1238	<	shouldThrow();
1239	<	} catch (NullPointerException success) {
1240	<	} finally {
1073	<	joinPool(e);
1233	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1234	>	try (PoolCleaner cleaner = cleaner(e)) {
1235	>	List<Callable<String>> l = new ArrayList<>();
1236	>	l.add(new StringTask());
1237	>	try {
1238	>	e.invokeAll(l, randomTimeout(), null);
1239	>	shouldThrow();
1240	>	} catch (NullPointerException success) {}
1241		}
1242		}
1243
1244		/**
1245	<	* timed invokeAll(empty collection) returns empty collection
1245	>	* timed invokeAll(empty collection) returns empty list
1246		*/
1247		public void testTimedInvokeAll2() throws Exception {
1248	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1249	<	try {
1250	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1248	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1249	>	final Collection<Callable<String>> emptyCollection
1250	>	= Collections.emptyList();
1251	>	try (PoolCleaner cleaner = cleaner(e)) {
1252	>	List<Future<String>> r =
1253	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
1254		assertTrue(r.isEmpty());
1085	–	} finally {
1086	–	joinPool(e);
1255		}
1256		}
1257
#	Line 1091 | Line 1259 | public class ScheduledExecutorTest exten
1259		* timed invokeAll(c) throws NPE if c has null elements
1260		*/
1261		public void testTimedInvokeAll3() throws Exception {
1262	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1263	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1264	<	l.add(new StringTask());
1265	<	l.add(null);
1266	<	try {
1267	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1268	<	shouldThrow();
1269	<	} catch (NullPointerException success) {
1270	<	} finally {
1103	<	joinPool(e);
1262	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1263	>	try (PoolCleaner cleaner = cleaner(e)) {
1264	>	List<Callable<String>> l = new ArrayList<>();
1265	>	l.add(new StringTask());
1266	>	l.add(null);
1267	>	try {
1268	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
1269	>	shouldThrow();
1270	>	} catch (NullPointerException success) {}
1271		}
1272		}
1273
#	Line 1108 | Line 1275 | public class ScheduledExecutorTest exten
1275		* get of element of invokeAll(c) throws exception on failed task
1276		*/
1277		public void testTimedInvokeAll4() throws Exception {
1278	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1279	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1280	<	l.add(new NPETask());
1281	<	List<Future<String>> futures =
1282	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1283	<	assertEquals(1, futures.size());
1284	<	try {
1285	<	futures.get(0).get();
1286	<	shouldThrow();
1287	<	} catch (ExecutionException success) {
1288	<	assertTrue(success.getCause() instanceof NullPointerException);
1289	<	} finally {
1290	<	joinPool(e);
1278	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1279	>	try (PoolCleaner cleaner = cleaner(e)) {
1280	>	List<Callable<String>> l = new ArrayList<>();
1281	>	l.add(new NPETask());
1282	>	List<Future<String>> futures =
1283	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1284	>	assertEquals(1, futures.size());
1285	>	try {
1286	>	futures.get(0).get();
1287	>	shouldThrow();
1288	>	} catch (ExecutionException success) {
1289	>	assertTrue(success.getCause() instanceof NullPointerException);
1290	>	}
1291		}
1292		}
1293
#	Line 1128 | Line 1295 | public class ScheduledExecutorTest exten
1295		* timed invokeAll(c) returns results of all completed tasks
1296		*/
1297		public void testTimedInvokeAll5() throws Exception {
1298	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1299	<	try {
1300	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1298	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1299	>	try (PoolCleaner cleaner = cleaner(e)) {
1300	>	List<Callable<String>> l = new ArrayList<>();
1301		l.add(new StringTask());
1302		l.add(new StringTask());
1303		List<Future<String>> futures =
1304	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1304	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1305		assertEquals(2, futures.size());
1306		for (Future<String> future : futures)
1307		assertSame(TEST_STRING, future.get());
1141	–	} finally {
1142	–	joinPool(e);
1308		}
1309		}
1310
#	Line 1147 | Line 1312 | public class ScheduledExecutorTest exten
1312		* timed invokeAll(c) cancels tasks not completed by timeout
1313		*/
1314		public void testTimedInvokeAll6() throws Exception {
1315	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1316	<	try {
1317	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1318	<	l.add(new StringTask());
1319	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1320	<	l.add(new StringTask());
1321	<	List<Future<String>> futures =
1322	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1323	<	assertEquals(3, futures.size());
1324	<	Iterator<Future<String>> it = futures.iterator();
1325	<	Future<String> f1 = it.next();
1326	<	Future<String> f2 = it.next();
1327	<	Future<String> f3 = it.next();
1328	<	assertTrue(f1.isDone());
1329	<	assertTrue(f2.isDone());
1330	<	assertTrue(f3.isDone());
1331	<	assertFalse(f1.isCancelled());
1332	<	assertTrue(f2.isCancelled());
1333	<	} finally {
1334	<	joinPool(e);
1315	>	for (long timeout = timeoutMillis();;) {
1316	>	final CountDownLatch done = new CountDownLatch(1);
1317	>	final Callable<String> waiter = new CheckedCallable<String>() {
1318	>	public String realCall() {
1319	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1320	>	catch (InterruptedException ok) {}
1321	>	return "1"; }};
1322	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1323	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1324	>	List<Callable<String>> tasks = new ArrayList<>();
1325	>	tasks.add(new StringTask("0"));
1326	>	tasks.add(waiter);
1327	>	tasks.add(new StringTask("2"));
1328	>	long startTime = System.nanoTime();
1329	>	List<Future<String>> futures =
1330	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1331	>	assertEquals(tasks.size(), futures.size());
1332	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1333	>	for (Future future : futures)
1334	>	assertTrue(future.isDone());
1335	>	assertTrue(futures.get(1).isCancelled());
1336	>	try {
1337	>	assertEquals("0", futures.get(0).get());
1338	>	assertEquals("2", futures.get(2).get());
1339	>	break;
1340	>	} catch (CancellationException retryWithLongerTimeout) {
1341	>	timeout *= 2;
1342	>	if (timeout >= LONG_DELAY_MS / 2)
1343	>	fail("expected exactly one task to be cancelled");
1344	>	}
1345	>	}
1346	>	}
1347	>	}
1348	>
1349	>	/**
1350	>	* A fixed delay task with overflowing period should not prevent a
1351	>	* one-shot task from executing.
1352	>	* https://bugs.openjdk.java.net/browse/JDK-8051859
1353	>	*/
1354	>	public void testScheduleWithFixedDelay_overflow() throws Exception {
1355	>	final CountDownLatch delayedDone = new CountDownLatch(1);
1356	>	final CountDownLatch immediateDone = new CountDownLatch(1);
1357	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1358	>	try (PoolCleaner cleaner = cleaner(p)) {
1359	>	final Runnable immediate = new Runnable() { public void run() {
1360	>	immediateDone.countDown();
1361	>	}};
1362	>	final Runnable delayed = new Runnable() { public void run() {
1363	>	delayedDone.countDown();
1364	>	p.submit(immediate);
1365	>	}};
1366	>	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1367	>	await(delayedDone);
1368	>	await(immediateDone);
1369		}
1370		}
1371

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