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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 1.93 by jsr166, Mon May 29 19:15:03 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.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.ThreadLocalRandom;
28	>	import java.util.concurrent.ThreadPoolExecutor;
29	>	import java.util.concurrent.atomic.AtomicBoolean;
30	>	import java.util.concurrent.atomic.AtomicInteger;
31	>	import java.util.concurrent.atomic.AtomicLong;
32	>	import java.util.stream.Stream;
33	>
34	>	import junit.framework.Test;
35	>	import junit.framework.TestSuite;
36
37		public class ScheduledExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run(suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(ScheduledExecutorTest.class);
#	Line 24 | Line 46 | public class ScheduledExecutorTest exten
46		* execute successfully executes a runnable
47		*/
48		public void testExecute() throws InterruptedException {
49	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
50	<	final CountDownLatch done = new CountDownLatch(1);
51	<	final Runnable task = new CheckedRunnable() {
52	<	public void realRun() {
53	<	done.countDown();
32	<	}};
33	<	try {
49	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
50	>	try (PoolCleaner cleaner = cleaner(p)) {
51	>	final CountDownLatch done = new CountDownLatch(1);
52	>	final Runnable task = new CheckedRunnable() {
53	>	public void realRun() { done.countDown(); }};
54		p.execute(task);
55	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
36	<	} finally {
37	<	joinPool(p);
55	>	await(done);
56		}
57		}
58
#	Line 42 | Line 60 | public class ScheduledExecutorTest exten
60		* delayed schedule of callable successfully executes after delay
61		*/
62		public void testSchedule1() throws Exception {
63	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
64	<	final long startTime = System.nanoTime();
65	<	final CountDownLatch done = new CountDownLatch(1);
66	<	try {
63	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
64	>	try (PoolCleaner cleaner = cleaner(p)) {
65	>	final long startTime = System.nanoTime();
66	>	final CountDownLatch done = new CountDownLatch(1);
67		Callable task = new CheckedCallable<Boolean>() {
68		public Boolean realCall() {
69		done.countDown();
#	Line 55 | Line 73 | public class ScheduledExecutorTest exten
73		Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
74		assertSame(Boolean.TRUE, f.get());
75		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
76	<	assertTrue(done.await(0L, MILLISECONDS));
59	<	} finally {
60	<	joinPool(p);
76	>	assertEquals(0L, done.getCount());
77		}
78		}
79
#	Line 65 | Line 81 | public class ScheduledExecutorTest exten
81		* delayed schedule of runnable successfully executes after delay
82		*/
83		public void testSchedule3() throws Exception {
84	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
85	<	final long startTime = System.nanoTime();
86	<	final CountDownLatch done = new CountDownLatch(1);
87	<	try {
84	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
85	>	try (PoolCleaner cleaner = cleaner(p)) {
86	>	final long startTime = System.nanoTime();
87	>	final CountDownLatch done = new CountDownLatch(1);
88		Runnable task = new CheckedRunnable() {
89		public void realRun() {
90		done.countDown();
#	Line 78 | Line 94 | public class ScheduledExecutorTest exten
94		await(done);
95		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
96		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
81	–	} finally {
82	–	joinPool(p);
97		}
98		}
99
#	Line 87 | Line 101 | public class ScheduledExecutorTest exten
101		* scheduleAtFixedRate executes runnable after given initial delay
102		*/
103		public void testSchedule4() throws Exception {
104	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
105	<	final long startTime = System.nanoTime();
106	<	final CountDownLatch done = new CountDownLatch(1);
107	<	try {
104	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
105	>	try (PoolCleaner cleaner = cleaner(p)) {
106	>	final long startTime = System.nanoTime();
107	>	final CountDownLatch done = new CountDownLatch(1);
108		Runnable task = new CheckedRunnable() {
109		public void realRun() {
110		done.countDown();
#	Line 102 | Line 116 | public class ScheduledExecutorTest exten
116		await(done);
117		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
118		f.cancel(true);
105	–	} finally {
106	–	joinPool(p);
119		}
120		}
121
#	Line 111 | Line 123 | public class ScheduledExecutorTest exten
123		* scheduleWithFixedDelay executes runnable after given initial delay
124		*/
125		public void testSchedule5() throws Exception {
126	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
127	<	final long startTime = System.nanoTime();
128	<	final CountDownLatch done = new CountDownLatch(1);
129	<	try {
126	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
127	>	try (PoolCleaner cleaner = cleaner(p)) {
128	>	final long startTime = System.nanoTime();
129	>	final CountDownLatch done = new CountDownLatch(1);
130		Runnable task = new CheckedRunnable() {
131		public void realRun() {
132		done.countDown();
#	Line 126 | Line 138 | public class ScheduledExecutorTest exten
138		await(done);
139		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
140		f.cancel(true);
129	–	} finally {
130	–	joinPool(p);
141		}
142		}
143
#	Line 137 | Line 147 | public class ScheduledExecutorTest exten
147		}
148
149		/**
150	<	* scheduleAtFixedRate executes series of tasks at given rate
150	>	* scheduleAtFixedRate executes series of tasks at given rate.
151	>	* Eventually, it must hold that:
152	>	*   cycles - 1 <= elapsedMillis/delay < cycles
153		*/
154		public void testFixedRateSequence() throws InterruptedException {
155	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
156	<	RunnableCounter counter = new RunnableCounter();
157	<	ScheduledFuture h =
158	<	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
159	<	delay(SMALL_DELAY_MS);
160	<	h.cancel(true);
161	<	int c = counter.count.get();
162	<	// By time scaling conventions, we must have at least
163	<	// an execution per SHORT delay, but no more than one SHORT more
164	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
165	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
166	<	joinPool(p);
155	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
156	>	try (PoolCleaner cleaner = cleaner(p)) {
157	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
158	>	final long startTime = System.nanoTime();
159	>	final int cycles = 8;
160	>	final CountDownLatch done = new CountDownLatch(cycles);
161	>	final Runnable task = new CheckedRunnable() {
162	>	public void realRun() { done.countDown(); }};
163	>	final ScheduledFuture periodicTask =
164	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
165	>	final int totalDelayMillis = (cycles - 1) * delay;
166	>	await(done, totalDelayMillis + LONG_DELAY_MS);
167	>	periodicTask.cancel(true);
168	>	final long elapsedMillis = millisElapsedSince(startTime);
169	>	assertTrue(elapsedMillis >= totalDelayMillis);
170	>	if (elapsedMillis <= cycles * delay)
171	>	return;
172	>	// else retry with longer delay
173	>	}
174	>	fail("unexpected execution rate");
175	>	}
176		}
177
178		/**
179	<	* scheduleWithFixedDelay executes series of tasks with given period
179	>	* scheduleWithFixedDelay executes series of tasks with given period.
180	>	* Eventually, it must hold that each task starts at least delay and at
181	>	* most 2 * delay after the termination of the previous task.
182		*/
183		public void testFixedDelaySequence() throws InterruptedException {
184	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
185	<	RunnableCounter counter = new RunnableCounter();
186	<	ScheduledFuture h =
187	<	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
188	<	delay(SMALL_DELAY_MS);
189	<	h.cancel(true);
190	<	int c = counter.count.get();
191	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
192	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
193	<	joinPool(p);
184	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
185	>	try (PoolCleaner cleaner = cleaner(p)) {
186	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
187	>	final long startTime = System.nanoTime();
188	>	final AtomicLong previous = new AtomicLong(startTime);
189	>	final AtomicBoolean tryLongerDelay = new AtomicBoolean(false);
190	>	final int cycles = 8;
191	>	final CountDownLatch done = new CountDownLatch(cycles);
192	>	final int d = delay;
193	>	final Runnable task = new CheckedRunnable() {
194	>	public void realRun() {
195	>	long now = System.nanoTime();
196	>	long elapsedMillis
197	>	= NANOSECONDS.toMillis(now - previous.get());
198	>	if (done.getCount() == cycles) { // first execution
199	>	if (elapsedMillis >= d)
200	>	tryLongerDelay.set(true);
201	>	} else {
202	>	assertTrue(elapsedMillis >= d);
203	>	if (elapsedMillis >= 2 * d)
204	>	tryLongerDelay.set(true);
205	>	}
206	>	previous.set(now);
207	>	done.countDown();
208	>	}};
209	>	final ScheduledFuture periodicTask =
210	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
211	>	final int totalDelayMillis = (cycles - 1) * delay;
212	>	await(done, totalDelayMillis + cycles * LONG_DELAY_MS);
213	>	periodicTask.cancel(true);
214	>	final long elapsedMillis = millisElapsedSince(startTime);
215	>	assertTrue(elapsedMillis >= totalDelayMillis);
216	>	if (!tryLongerDelay.get())
217	>	return;
218	>	// else retry with longer delay
219	>	}
220	>	fail("unexpected execution rate");
221	>	}
222		}
223
224		/**
225		* execute(null) throws NPE
226		*/
227		public void testExecuteNull() throws InterruptedException {
228	<	ScheduledThreadPoolExecutor se = null;
229	<	try {
230	<	se = new ScheduledThreadPoolExecutor(1);
231	<	se.execute(null);
232	<	shouldThrow();
233	<	} catch (NullPointerException success) {}
234	<
184	<	joinPool(se);
228	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
229	>	try (PoolCleaner cleaner = cleaner(p)) {
230	>	try {
231	>	p.execute(null);
232	>	shouldThrow();
233	>	} catch (NullPointerException success) {}
234	>	}
235		}
236
237		/**
238		* schedule(null) throws NPE
239		*/
240		public void testScheduleNull() throws InterruptedException {
241	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
242	<	try {
243	<	TrackedCallable callable = null;
244	<	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
245	<	shouldThrow();
246	<	} catch (NullPointerException success) {}
247	<	joinPool(se);
241	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
242	>	try (PoolCleaner cleaner = cleaner(p)) {
243	>	try {
244	>	Future f = p.schedule((Callable)null,
245	>	randomTimeout(), randomTimeUnit());
246	>	shouldThrow();
247	>	} catch (NullPointerException success) {}
248	>	}
249		}
250
251		/**
252		* execute throws RejectedExecutionException if shutdown
253		*/
254		public void testSchedule1_RejectedExecutionException() throws InterruptedException {
255	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
256	<	try {
257	<	se.shutdown();
258	<	se.schedule(new NoOpRunnable(),
259	<	MEDIUM_DELAY_MS, MILLISECONDS);
260	<	shouldThrow();
261	<	} catch (RejectedExecutionException success) {
262	<	} catch (SecurityException ok) {
255	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
256	>	try (PoolCleaner cleaner = cleaner(p)) {
257	>	try {
258	>	p.shutdown();
259	>	p.schedule(new NoOpRunnable(),
260	>	MEDIUM_DELAY_MS, MILLISECONDS);
261	>	shouldThrow();
262	>	} catch (RejectedExecutionException success) {
263	>	} catch (SecurityException ok) {}
264		}
213	–
214	–	joinPool(se);
265		}
266
267		/**
268		* schedule throws RejectedExecutionException if shutdown
269		*/
270		public void testSchedule2_RejectedExecutionException() throws InterruptedException {
271	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
272	<	try {
273	<	se.shutdown();
274	<	se.schedule(new NoOpCallable(),
275	<	MEDIUM_DELAY_MS, MILLISECONDS);
276	<	shouldThrow();
277	<	} catch (RejectedExecutionException success) {
278	<	} catch (SecurityException ok) {
271	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
272	>	try (PoolCleaner cleaner = cleaner(p)) {
273	>	try {
274	>	p.shutdown();
275	>	p.schedule(new NoOpCallable(),
276	>	MEDIUM_DELAY_MS, MILLISECONDS);
277	>	shouldThrow();
278	>	} catch (RejectedExecutionException success) {
279	>	} catch (SecurityException ok) {}
280		}
230	–	joinPool(se);
281		}
282
283		/**
284		* schedule callable throws RejectedExecutionException if shutdown
285		*/
286		public void testSchedule3_RejectedExecutionException() throws InterruptedException {
287	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
288	<	try {
289	<	se.shutdown();
290	<	se.schedule(new NoOpCallable(),
291	<	MEDIUM_DELAY_MS, MILLISECONDS);
292	<	shouldThrow();
293	<	} catch (RejectedExecutionException success) {
294	<	} catch (SecurityException ok) {
287	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
288	>	try (PoolCleaner cleaner = cleaner(p)) {
289	>	try {
290	>	p.shutdown();
291	>	p.schedule(new NoOpCallable(),
292	>	MEDIUM_DELAY_MS, MILLISECONDS);
293	>	shouldThrow();
294	>	} catch (RejectedExecutionException success) {
295	>	} catch (SecurityException ok) {}
296		}
246	–	joinPool(se);
297		}
298
299		/**
300		* scheduleAtFixedRate throws RejectedExecutionException if shutdown
301		*/
302		public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
303	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
304	<	try {
305	<	se.shutdown();
306	<	se.scheduleAtFixedRate(new NoOpRunnable(),
307	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
308	<	shouldThrow();
309	<	} catch (RejectedExecutionException success) {
310	<	} catch (SecurityException ok) {
303	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
304	>	try (PoolCleaner cleaner = cleaner(p)) {
305	>	try {
306	>	p.shutdown();
307	>	p.scheduleAtFixedRate(new NoOpRunnable(),
308	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
309	>	shouldThrow();
310	>	} catch (RejectedExecutionException success) {
311	>	} catch (SecurityException ok) {}
312		}
262	–	joinPool(se);
313		}
314
315		/**
316		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
317		*/
318		public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
319	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
320	<	try {
321	<	se.shutdown();
322	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
323	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
324	<	shouldThrow();
325	<	} catch (RejectedExecutionException success) {
326	<	} catch (SecurityException ok) {
319	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
320	>	try (PoolCleaner cleaner = cleaner(p)) {
321	>	try {
322	>	p.shutdown();
323	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
324	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
325	>	shouldThrow();
326	>	} catch (RejectedExecutionException success) {
327	>	} catch (SecurityException ok) {}
328		}
278	–	joinPool(se);
329		}
330
331		/**
#	Line 283 | Line 333 | public class ScheduledExecutorTest exten
333		* thread becomes active
334		*/
335		public void testGetActiveCount() throws InterruptedException {
286	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
287	–	final CountDownLatch threadStarted = new CountDownLatch(1);
336		final CountDownLatch done = new CountDownLatch(1);
337	<	try {
337	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
338	>	try (PoolCleaner cleaner = cleaner(p, done)) {
339	>	final CountDownLatch threadStarted = new CountDownLatch(1);
340		assertEquals(0, p.getActiveCount());
341		p.execute(new CheckedRunnable() {
342		public void realRun() throws InterruptedException {
343		threadStarted.countDown();
344		assertEquals(1, p.getActiveCount());
345	<	done.await();
345	>	await(done);
346		}});
347	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
347	>	await(threadStarted);
348		assertEquals(1, p.getActiveCount());
299	–	} finally {
300	–	done.countDown();
301	–	joinPool(p);
349		}
350		}
351
#	Line 308 | Line 355 | public class ScheduledExecutorTest exten
355		*/
356		public void testGetCompletedTaskCount() throws InterruptedException {
357		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
358	<	final CountDownLatch threadStarted = new CountDownLatch(1);
359	<	final CountDownLatch threadProceed = new CountDownLatch(1);
360	<	final CountDownLatch threadDone = new CountDownLatch(1);
361	<	try {
358	>	try (PoolCleaner cleaner = cleaner(p)) {
359	>	final CountDownLatch threadStarted = new CountDownLatch(1);
360	>	final CountDownLatch threadProceed = new CountDownLatch(1);
361	>	final CountDownLatch threadDone = new CountDownLatch(1);
362		assertEquals(0, p.getCompletedTaskCount());
363		p.execute(new CheckedRunnable() {
364		public void realRun() throws InterruptedException {
365		threadStarted.countDown();
366		assertEquals(0, p.getCompletedTaskCount());
367	<	threadProceed.await();
367	>	await(threadProceed);
368		threadDone.countDown();
369		}});
370	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
370	>	await(threadStarted);
371		assertEquals(0, p.getCompletedTaskCount());
372		threadProceed.countDown();
373	<	threadDone.await();
373	>	await(threadDone);
374		long startTime = System.nanoTime();
375		while (p.getCompletedTaskCount() != 1) {
376		if (millisElapsedSince(startTime) > LONG_DELAY_MS)
377		fail("timed out");
378		Thread.yield();
379		}
333	–	} finally {
334	–	joinPool(p);
380		}
381		}
382
#	Line 340 | Line 385 | public class ScheduledExecutorTest exten
385		*/
386		public void testGetCorePoolSize() throws InterruptedException {
387		ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
388	<	assertEquals(1, p.getCorePoolSize());
389	<	joinPool(p);
388	>	try (PoolCleaner cleaner = cleaner(p)) {
389	>	assertEquals(1, p.getCorePoolSize());
390	>	}
391		}
392
393		/**
#	Line 353 | Line 399 | public class ScheduledExecutorTest exten
399		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
400		final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
401		final CountDownLatch done = new CountDownLatch(1);
402	<	try {
402	>	try (PoolCleaner cleaner = cleaner(p, done)) {
403		assertEquals(0, p.getLargestPoolSize());
404		for (int i = 0; i < THREADS; i++)
405		p.execute(new CheckedRunnable() {
406		public void realRun() throws InterruptedException {
407		threadsStarted.countDown();
408	<	done.await();
408	>	await(done);
409		assertEquals(THREADS, p.getLargestPoolSize());
410		}});
411	<	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
366	<	assertEquals(THREADS, p.getLargestPoolSize());
367	<	} finally {
368	<	done.countDown();
369	<	joinPool(p);
411	>	await(threadsStarted);
412		assertEquals(THREADS, p.getLargestPoolSize());
413		}
414	+	assertEquals(THREADS, p.getLargestPoolSize());
415		}
416
417		/**
#	Line 379 | Line 422 | public class ScheduledExecutorTest exten
422		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
423		final CountDownLatch threadStarted = new CountDownLatch(1);
424		final CountDownLatch done = new CountDownLatch(1);
425	<	try {
425	>	try (PoolCleaner cleaner = cleaner(p, done)) {
426		assertEquals(0, p.getPoolSize());
427		p.execute(new CheckedRunnable() {
428		public void realRun() throws InterruptedException {
429		threadStarted.countDown();
430		assertEquals(1, p.getPoolSize());
431	<	done.await();
431	>	await(done);
432		}});
433	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
433	>	await(threadStarted);
434		assertEquals(1, p.getPoolSize());
392	–	} finally {
393	–	done.countDown();
394	–	joinPool(p);
435		}
436		}
437
#	Line 400 | Line 440 | public class ScheduledExecutorTest exten
440		* submitted
441		*/
442		public void testGetTaskCount() throws InterruptedException {
443	<	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
404	<	final CountDownLatch threadStarted = new CountDownLatch(1);
443	>	final int TASKS = 3;
444		final CountDownLatch done = new CountDownLatch(1);
445	<	final int TASKS = 5;
446	<	try {
445	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
446	>	try (PoolCleaner cleaner = cleaner(p, done)) {
447	>	final CountDownLatch threadStarted = new CountDownLatch(1);
448		assertEquals(0, p.getTaskCount());
449	<	for (int i = 0; i < TASKS; i++)
449	>	assertEquals(0, p.getCompletedTaskCount());
450	>	p.execute(new CheckedRunnable() {
451	>	public void realRun() throws InterruptedException {
452	>	threadStarted.countDown();
453	>	await(done);
454	>	}});
455	>	await(threadStarted);
456	>	assertEquals(1, p.getTaskCount());
457	>	assertEquals(0, p.getCompletedTaskCount());
458	>	for (int i = 0; i < TASKS; i++) {
459	>	assertEquals(1 + i, p.getTaskCount());
460		p.execute(new CheckedRunnable() {
461		public void realRun() throws InterruptedException {
462		threadStarted.countDown();
463	<	done.await();
463	>	assertEquals(1 + TASKS, p.getTaskCount());
464	>	await(done);
465		}});
466	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
467	<	assertEquals(TASKS, p.getTaskCount());
468	<	} finally {
418	<	done.countDown();
419	<	joinPool(p);
466	>	}
467	>	assertEquals(1 + TASKS, p.getTaskCount());
468	>	assertEquals(0, p.getCompletedTaskCount());
469		}
470	+	assertEquals(1 + TASKS, p.getTaskCount());
471	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
472		}
473
474		/**
475		* getThreadFactory returns factory in constructor if not set
476		*/
477		public void testGetThreadFactory() throws InterruptedException {
478	<	ThreadFactory tf = new SimpleThreadFactory();
479	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
480	<	assertSame(tf, p.getThreadFactory());
481	<	joinPool(p);
478	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
479	>	final ScheduledThreadPoolExecutor p =
480	>	new ScheduledThreadPoolExecutor(1, threadFactory);
481	>	try (PoolCleaner cleaner = cleaner(p)) {
482	>	assertSame(threadFactory, p.getThreadFactory());
483	>	}
484		}
485
486		/**
487		* setThreadFactory sets the thread factory returned by getThreadFactory
488		*/
489		public void testSetThreadFactory() throws InterruptedException {
490	<	ThreadFactory tf = new SimpleThreadFactory();
491	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
492	<	p.setThreadFactory(tf);
493	<	assertSame(tf, p.getThreadFactory());
494	<	joinPool(p);
490	>	ThreadFactory threadFactory = new SimpleThreadFactory();
491	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
492	>	try (PoolCleaner cleaner = cleaner(p)) {
493	>	p.setThreadFactory(threadFactory);
494	>	assertSame(threadFactory, p.getThreadFactory());
495	>	}
496		}
497
498		/**
499		* setThreadFactory(null) throws NPE
500		*/
501		public void testSetThreadFactoryNull() throws InterruptedException {
502	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
503	<	try {
504	<	p.setThreadFactory(null);
505	<	shouldThrow();
506	<	} catch (NullPointerException success) {
507	<	} finally {
508	<	joinPool(p);
502	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
503	>	try (PoolCleaner cleaner = cleaner(p)) {
504	>	try {
505	>	p.setThreadFactory(null);
506	>	shouldThrow();
507	>	} catch (NullPointerException success) {}
508	>	}
509	>	}
510	>
511	>	/**
512	>	* The default rejected execution handler is AbortPolicy.
513	>	*/
514	>	public void testDefaultRejectedExecutionHandler() {
515	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
516	>	try (PoolCleaner cleaner = cleaner(p)) {
517	>	assertTrue(p.getRejectedExecutionHandler()
518	>	instanceof ThreadPoolExecutor.AbortPolicy);
519		}
520		}
521
#	Line 459 | Line 523 | public class ScheduledExecutorTest exten
523		* isShutdown is false before shutdown, true after
524		*/
525		public void testIsShutdown() {
526	<
527	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
528	<	try {
529	<	assertFalse(p.isShutdown());
530	<	}
531	<	finally {
532	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
526	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
527	>	assertFalse(p.isShutdown());
528	>	try (PoolCleaner cleaner = cleaner(p)) {
529	>	try {
530	>	p.shutdown();
531	>	assertTrue(p.isShutdown());
532	>	} catch (SecurityException ok) {}
533		}
470	–	assertTrue(p.isShutdown());
534		}
535
536		/**
#	Line 475 | Line 538 | public class ScheduledExecutorTest exten
538		*/
539		public void testIsTerminated() throws InterruptedException {
540		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
541	<	final CountDownLatch threadStarted = new CountDownLatch(1);
542	<	final CountDownLatch done = new CountDownLatch(1);
543	<	assertFalse(p.isTerminated());
544	<	try {
541	>	try (PoolCleaner cleaner = cleaner(p)) {
542	>	final CountDownLatch threadStarted = new CountDownLatch(1);
543	>	final CountDownLatch done = new CountDownLatch(1);
544	>	assertFalse(p.isTerminated());
545		p.execute(new CheckedRunnable() {
546		public void realRun() throws InterruptedException {
547		assertFalse(p.isTerminated());
548		threadStarted.countDown();
549	<	done.await();
549	>	await(done);
550		}});
551	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
551	>	await(threadStarted);
552		assertFalse(p.isTerminating());
553		done.countDown();
491	–	} finally {
554		try { p.shutdown(); } catch (SecurityException ok) { return; }
555	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
556	+	assertTrue(p.isTerminated());
557		}
494	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
495	–	assertTrue(p.isTerminated());
558		}
559
560		/**
#	Line 502 | Line 564 | public class ScheduledExecutorTest exten
564		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
565		final CountDownLatch threadStarted = new CountDownLatch(1);
566		final CountDownLatch done = new CountDownLatch(1);
567	<	try {
567	>	try (PoolCleaner cleaner = cleaner(p)) {
568		assertFalse(p.isTerminating());
569		p.execute(new CheckedRunnable() {
570		public void realRun() throws InterruptedException {
571		assertFalse(p.isTerminating());
572		threadStarted.countDown();
573	<	done.await();
573	>	await(done);
574		}});
575	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
575	>	await(threadStarted);
576		assertFalse(p.isTerminating());
577		done.countDown();
516	–	} finally {
578		try { p.shutdown(); } catch (SecurityException ok) { return; }
579	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
580	+	assertTrue(p.isTerminated());
581	+	assertFalse(p.isTerminating());
582		}
519	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
520	–	assertTrue(p.isTerminated());
521	–	assertFalse(p.isTerminating());
583		}
584
585		/**
586		* getQueue returns the work queue, which contains queued tasks
587		*/
588		public void testGetQueue() throws InterruptedException {
528	–	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
529	–	final CountDownLatch threadStarted = new CountDownLatch(1);
589		final CountDownLatch done = new CountDownLatch(1);
590	<	try {
590	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
591	>	try (PoolCleaner cleaner = cleaner(p, done)) {
592	>	final CountDownLatch threadStarted = new CountDownLatch(1);
593		ScheduledFuture[] tasks = new ScheduledFuture[5];
594		for (int i = 0; i < tasks.length; i++) {
595		Runnable r = new CheckedRunnable() {
596		public void realRun() throws InterruptedException {
597		threadStarted.countDown();
598	<	done.await();
598	>	await(done);
599		}};
600		tasks[i] = p.schedule(r, 1, MILLISECONDS);
601		}
602	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
602	>	await(threadStarted);
603		BlockingQueue<Runnable> q = p.getQueue();
604		assertTrue(q.contains(tasks[tasks.length - 1]));
605		assertFalse(q.contains(tasks[0]));
545	–	} finally {
546	–	done.countDown();
547	–	joinPool(p);
606		}
607		}
608
#	Line 552 | Line 610 | public class ScheduledExecutorTest exten
610		* remove(task) removes queued task, and fails to remove active task
611		*/
612		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);
613		final CountDownLatch done = new CountDownLatch(1);
614	<	try {
614	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
615	>	try (PoolCleaner cleaner = cleaner(p, done)) {
616	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
617	>	final CountDownLatch threadStarted = new CountDownLatch(1);
618		for (int i = 0; i < tasks.length; i++) {
619		Runnable r = new CheckedRunnable() {
620		public void realRun() throws InterruptedException {
621		threadStarted.countDown();
622	<	done.await();
622	>	await(done);
623		}};
624		tasks[i] = p.schedule(r, 1, MILLISECONDS);
625		}
626	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
626	>	await(threadStarted);
627		BlockingQueue<Runnable> q = p.getQueue();
628		assertFalse(p.remove((Runnable)tasks[0]));
629		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 576 | Line 634 | public class ScheduledExecutorTest exten
634		assertTrue(q.contains((Runnable)tasks[3]));
635		assertTrue(p.remove((Runnable)tasks[3]));
636		assertFalse(q.contains((Runnable)tasks[3]));
579	–	} finally {
580	–	done.countDown();
581	–	joinPool(p);
637		}
638		}
639
#	Line 586 | Line 641 | public class ScheduledExecutorTest exten
641		* purge eventually removes cancelled tasks from the queue
642		*/
643		public void testPurge() throws InterruptedException {
644	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
645	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
646	<	for (int i = 0; i < tasks.length; i++)
647	<	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
648	<	LONG_DELAY_MS, MILLISECONDS);
649	<	try {
644	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
645	>	final Runnable releaser = new Runnable() { public void run() {
646	>	for (ScheduledFuture task : tasks)
647	>	if (task != null) task.cancel(true); }};
648	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
649	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
650	>	for (int i = 0; i < tasks.length; i++)
651	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
652	>	LONG_DELAY_MS, MILLISECONDS);
653		int max = tasks.length;
654		if (tasks[4].cancel(true)) --max;
655		if (tasks[3].cancel(true)) --max;
#	Line 603 | Line 661 | public class ScheduledExecutorTest exten
661		long count = p.getTaskCount();
662		if (count == max)
663		return;
664	<	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
664	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
665		fail("Purge failed to remove cancelled tasks");
608	–	} finally {
609	–	for (ScheduledFuture task : tasks)
610	–	task.cancel(true);
611	–	joinPool(p);
666		}
667		}
668
669		/**
670	<	* shutdownNow returns a list containing tasks that were not run
670	>	* shutdownNow returns a list containing tasks that were not run,
671	>	* and those tasks are drained from the queue
672		*/
673	<	public void testShutdownNow() {
674	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
675	<	for (int i = 0; i < 5; i++)
676	<	p.schedule(new SmallPossiblyInterruptedRunnable(),
677	<	LONG_DELAY_MS, MILLISECONDS);
673	>	public void testShutdownNow() throws InterruptedException {
674	>	final int poolSize = 2;
675	>	final int count = 5;
676	>	final AtomicInteger ran = new AtomicInteger(0);
677	>	final ScheduledThreadPoolExecutor p =
678	>	new ScheduledThreadPoolExecutor(poolSize);
679	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
680	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
681	>	threadsStarted.countDown();
682	>	try {
683	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
684	>	} catch (InterruptedException success) {}
685	>	ran.getAndIncrement();
686	>	}};
687	>	for (int i = 0; i < count; i++)
688	>	p.execute(waiter);
689	>	await(threadsStarted);
690	>	assertEquals(poolSize, p.getActiveCount());
691	>	assertEquals(0, p.getCompletedTaskCount());
692	>	final List<Runnable> queuedTasks;
693		try {
694	<	List<Runnable> l = p.shutdownNow();
625	<	assertTrue(p.isShutdown());
626	<	assertEquals(5, l.size());
694	>	queuedTasks = p.shutdownNow();
695		} catch (SecurityException ok) {
696	<	// Allowed in case test doesn't have privs
629	<	} finally {
630	<	joinPool(p);
696	>	return; // Allowed in case test doesn't have privs
697		}
698	+	assertTrue(p.isShutdown());
699	+	assertTrue(p.getQueue().isEmpty());
700	+	assertEquals(count - poolSize, queuedTasks.size());
701	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
702	+	assertTrue(p.isTerminated());
703	+	assertEquals(poolSize, ran.get());
704	+	assertEquals(poolSize, p.getCompletedTaskCount());
705		}
706
707		/**
708	<	* In default setting, shutdown cancels periodic but not delayed
709	<	* tasks at shutdown
708	>	* shutdownNow returns a list containing tasks that were not run,
709	>	* and those tasks are drained from the queue
710		*/
711	<	public void testShutdown1() throws InterruptedException {
712	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
713	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
714	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
715	<
716	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
717	<	for (int i = 0; i < tasks.length; i++)
718	<	tasks[i] = p.schedule(new NoOpRunnable(),
719	<	SHORT_DELAY_MS, MILLISECONDS);
720	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
721	<	BlockingQueue<Runnable> q = p.getQueue();
722	<	for (ScheduledFuture task : tasks) {
723	<	assertFalse(task.isDone());
724	<	assertFalse(task.isCancelled());
725	<	assertTrue(q.contains(task));
711	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
712	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
713	>	List<ScheduledFuture> tasks = new ArrayList<>();
714	>	for (int i = 0; i < 3; i++) {
715	>	Runnable r = new NoOpRunnable();
716	>	tasks.add(p.schedule(r, 9, SECONDS));
717	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
718	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
719	>	}
720	>	if (testImplementationDetails)
721	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
722	>	final List<Runnable> queuedTasks;
723	>	try {
724	>	queuedTasks = p.shutdownNow();
725	>	} catch (SecurityException ok) {
726	>	return; // Allowed in case test doesn't have privs
727		}
728		assertTrue(p.isShutdown());
729	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
730	<	assertTrue(p.isTerminated());
729	>	assertTrue(p.getQueue().isEmpty());
730	>	if (testImplementationDetails)
731	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
732	>	assertEquals(tasks.size(), queuedTasks.size());
733		for (ScheduledFuture task : tasks) {
734	<	assertTrue(task.isDone());
734	>	assertFalse(task.isDone());
735		assertFalse(task.isCancelled());
736		}
737	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
738	+	assertTrue(p.isTerminated());
739		}
740
741		/**
742	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
743	<	* delayed tasks are cancelled at shutdown
744	<	*/
745	<	public void testShutdown2() throws InterruptedException {
746	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
747	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
748	<	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
749	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
750	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
751	<	for (int i = 0; i < tasks.length; i++)
752	<	tasks[i] = p.schedule(new NoOpRunnable(),
753	<	SHORT_DELAY_MS, MILLISECONDS);
754	<	BlockingQueue q = p.getQueue();
755	<	assertEquals(tasks.length, q.size());
756	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
757	<	assertTrue(p.isShutdown());
758	<	assertTrue(q.isEmpty());
759	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
760	<	assertTrue(p.isTerminated());
761	<	for (ScheduledFuture task : tasks) {
762	<	assertTrue(task.isDone());
763	<	assertTrue(task.isCancelled());
742	>	* By default, periodic tasks are cancelled at shutdown.
743	>	* By default, delayed tasks keep running after shutdown.
744	>	* Check that changing the default values work:
745	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
746	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
747	>	*/
748	>	public void testShutdown_cancellation() throws Exception {
749	>	final int poolSize = 4;
750	>	final ScheduledThreadPoolExecutor p
751	>	= new ScheduledThreadPoolExecutor(poolSize);
752	>	final BlockingQueue<Runnable> q = p.getQueue();
753	>	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
754	>	final long delay = rnd.nextInt(2);
755	>	final int rounds = rnd.nextInt(1, 3);
756	>	final boolean effectiveDelayedPolicy;
757	>	final boolean effectivePeriodicPolicy;
758	>	final boolean effectiveRemovePolicy;
759	>
760	>	if (rnd.nextBoolean())
761	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(
762	>	effectiveDelayedPolicy = rnd.nextBoolean());
763	>	else
764	>	effectiveDelayedPolicy = true;
765	>	assertEquals(effectiveDelayedPolicy,
766	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
767	>
768	>	if (rnd.nextBoolean())
769	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(
770	>	effectivePeriodicPolicy = rnd.nextBoolean());
771	>	else
772	>	effectivePeriodicPolicy = false;
773	>	assertEquals(effectivePeriodicPolicy,
774	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
775	>
776	>	if (rnd.nextBoolean())
777	>	p.setRemoveOnCancelPolicy(
778	>	effectiveRemovePolicy = rnd.nextBoolean());
779	>	else
780	>	effectiveRemovePolicy = false;
781	>	assertEquals(effectiveRemovePolicy,
782	>	p.getRemoveOnCancelPolicy());
783	>
784	>	final boolean periodicTasksContinue = effectivePeriodicPolicy && rnd.nextBoolean();
785	>
786	>	// Strategy: Wedge the pool with one wave of "blocker" tasks,
787	>	// then add a second wave that waits in the queue until unblocked.
788	>	final AtomicInteger ran = new AtomicInteger(0);
789	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
790	>	final CountDownLatch unblock = new CountDownLatch(1);
791	>	final RuntimeException exception = new RuntimeException();
792	>
793	>	class Task implements Runnable {
794	>	public void run() {
795	>	try {
796	>	ran.getAndIncrement();
797	>	poolBlocked.countDown();
798	>	await(unblock);
799	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
800	>	}
801		}
687	–	}
802
803	<	/**
804	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
805	<	* periodic tasks are cancelled at shutdown
806	<	*/
807	<	public void testShutdown3() throws InterruptedException {
808	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
809	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
810	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
811	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
812	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
813	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
814	<	long initialDelay = LONG_DELAY_MS;
815	<	ScheduledFuture task =
816	<	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
817	<	5, MILLISECONDS);
803	>	class PeriodicTask extends Task {
804	>	PeriodicTask(int rounds) { this.rounds = rounds; }
805	>	int rounds;
806	>	public void run() {
807	>	if (--rounds == 0) super.run();
808	>	// throw exception to surely terminate this periodic task,
809	>	// but in a separate execution and in a detectable way.
810	>	if (rounds == -1) throw exception;
811	>	}
812	>	}
813	>
814	>	Runnable task = new Task();
815	>
816	>	List<Future<?>> immediates = new ArrayList<>();
817	>	List<Future<?>> delayeds   = new ArrayList<>();
818	>	List<Future<?>> periodics  = new ArrayList<>();
819	>
820	>	immediates.add(p.submit(task));
821	>	delayeds.add(p.schedule(task, delay, MILLISECONDS));
822	>	periodics.add(p.scheduleAtFixedRate(
823	>	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
824	>	periodics.add(p.scheduleWithFixedDelay(
825	>	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
826	>
827	>	await(poolBlocked);
828	>
829	>	assertEquals(poolSize, ran.get());
830	>	assertEquals(poolSize, p.getActiveCount());
831	>	assertTrue(q.isEmpty());
832	>
833	>	// Add second wave of tasks.
834	>	immediates.add(p.submit(task));
835	>	delayeds.add(p.schedule(task, effectiveDelayedPolicy ? delay : LONG_DELAY_MS, MILLISECONDS));
836	>	periodics.add(p.scheduleAtFixedRate(
837	>	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
838	>	periodics.add(p.scheduleWithFixedDelay(
839	>	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
840	>
841	>	assertEquals(poolSize, q.size());
842	>	assertEquals(poolSize, ran.get());
843	>
844	>	immediates.forEach(
845	>	f -> assertTrue(((ScheduledFuture)f).getDelay(NANOSECONDS) <= 0L));
846	>
847	>	Stream.of(immediates, delayeds, periodics).flatMap(c -> c.stream())
848	>	.forEach(f -> assertFalse(f.isDone()));
849	>
850		try { p.shutdown(); } catch (SecurityException ok) { return; }
851		assertTrue(p.isShutdown());
852	<	assertTrue(p.getQueue().isEmpty());
853	<	assertTrue(task.isDone());
708	<	assertTrue(task.isCancelled());
709	<	joinPool(p);
710	<	}
852	>	assertTrue(p.isTerminating());
853	>	assertFalse(p.isTerminated());
854
855	<	/**
856	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
857	<	* periodic tasks are not cancelled at shutdown
858	<	*/
859	<	public void testShutdown4() throws InterruptedException {
860	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
861	<	final CountDownLatch counter = new CountDownLatch(2);
862	<	try {
863	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
864	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
865	<	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
866	<	final Runnable r = new CheckedRunnable() {
867	<	public void realRun() {
868	<	counter.countDown();
869	<	}};
870	<	ScheduledFuture task =
871	<	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
872	<	assertFalse(task.isDone());
873	<	assertFalse(task.isCancelled());
874	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
875	<	assertFalse(task.isCancelled());
876	<	assertFalse(p.isTerminated());
877	<	assertTrue(p.isShutdown());
878	<	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
879	<	assertFalse(task.isCancelled());
880	<	assertTrue(task.cancel(false));
881	<	assertTrue(task.isDone());
882	<	assertTrue(task.isCancelled());
883	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
884	<	assertTrue(p.isTerminated());
885	<	}
886	<	finally {
887	<	joinPool(p);
855	>	if (rnd.nextBoolean())
856	>	assertThrows(
857	>	RejectedExecutionException.class,
858	>	() -> p.submit(task),
859	>	() -> p.schedule(task, 1, SECONDS),
860	>	() -> p.scheduleAtFixedRate(
861	>	new PeriodicTask(1), 1, 1, SECONDS),
862	>	() -> p.scheduleWithFixedDelay(
863	>	new PeriodicTask(2), 1, 1, SECONDS));
864	>
865	>	assertTrue(q.contains(immediates.get(1)));
866	>	assertTrue(!effectiveDelayedPolicy
867	>	^ q.contains(delayeds.get(1)));
868	>	assertTrue(!effectivePeriodicPolicy
869	>	^ q.containsAll(periodics.subList(2, 4)));
870	>
871	>	immediates.forEach(f -> assertFalse(f.isDone()));
872	>
873	>	assertFalse(delayeds.get(0).isDone());
874	>	if (effectiveDelayedPolicy)
875	>	assertFalse(delayeds.get(1).isDone());
876	>	else
877	>	assertTrue(delayeds.get(1).isCancelled());
878	>
879	>	if (effectivePeriodicPolicy)
880	>	periodics.forEach(
881	>	f -> {
882	>	assertFalse(f.isDone());
883	>	if (!periodicTasksContinue) {
884	>	assertTrue(f.cancel(false));
885	>	assertTrue(f.isCancelled());
886	>	}
887	>	});
888	>	else {
889	>	periodics.subList(0, 2).forEach(f -> assertFalse(f.isDone()));
890	>	periodics.subList(2, 4).forEach(f -> assertTrue(f.isCancelled()));
891		}
892	+
893	+	unblock.countDown();    // Release all pool threads
894	+
895	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
896	+	assertFalse(p.isTerminating());
897	+	assertTrue(p.isTerminated());
898	+
899	+	assertTrue(q.isEmpty());
900	+
901	+	Stream.of(immediates, delayeds, periodics).flatMap(c -> c.stream())
902	+	.forEach(f -> assertTrue(f.isDone()));
903	+
904	+	for (Future<?> f : immediates) assertNull(f.get());
905	+
906	+	assertNull(delayeds.get(0).get());
907	+	if (effectiveDelayedPolicy)
908	+	assertNull(delayeds.get(1).get());
909	+	else
910	+	assertTrue(delayeds.get(1).isCancelled());
911	+
912	+	if (periodicTasksContinue)
913	+	periodics.forEach(
914	+	f -> {
915	+	try { f.get(); }
916	+	catch (ExecutionException success) {
917	+	assertSame(exception, success.getCause());
918	+	}
919	+	catch (Throwable fail) { threadUnexpectedException(fail); }
920	+	});
921	+	else
922	+	periodics.forEach(f -> assertTrue(f.isCancelled()));
923	+
924	+	assertEquals(poolSize + 1
925	+	+ (effectiveDelayedPolicy ? 1 : 0)
926	+	+ (periodicTasksContinue ? 2 : 0),
927	+	ran.get());
928		}
929
930		/**
931		* completed submit of callable returns result
932		*/
933		public void testSubmitCallable() throws Exception {
934	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
935	<	try {
934	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
935	>	try (PoolCleaner cleaner = cleaner(e)) {
936		Future<String> future = e.submit(new StringTask());
937		String result = future.get();
938		assertSame(TEST_STRING, result);
757	–	} finally {
758	–	joinPool(e);
939		}
940		}
941
#	Line 763 | Line 943 | public class ScheduledExecutorTest exten
943		* completed submit of runnable returns successfully
944		*/
945		public void testSubmitRunnable() throws Exception {
946	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
947	<	try {
946	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
947	>	try (PoolCleaner cleaner = cleaner(e)) {
948		Future<?> future = e.submit(new NoOpRunnable());
949		future.get();
950		assertTrue(future.isDone());
771	–	} finally {
772	–	joinPool(e);
951		}
952		}
953
#	Line 777 | Line 955 | public class ScheduledExecutorTest exten
955		* completed submit of (runnable, result) returns result
956		*/
957		public void testSubmitRunnable2() throws Exception {
958	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
959	<	try {
958	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
959	>	try (PoolCleaner cleaner = cleaner(e)) {
960		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
961		String result = future.get();
962		assertSame(TEST_STRING, result);
785	–	} finally {
786	–	joinPool(e);
963		}
964		}
965
#	Line 791 | Line 967 | public class ScheduledExecutorTest exten
967		* invokeAny(null) throws NPE
968		*/
969		public void testInvokeAny1() throws Exception {
970	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
971	<	try {
972	<	e.invokeAny(null);
973	<	shouldThrow();
974	<	} catch (NullPointerException success) {
975	<	} finally {
800	<	joinPool(e);
970	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
971	>	try (PoolCleaner cleaner = cleaner(e)) {
972	>	try {
973	>	e.invokeAny(null);
974	>	shouldThrow();
975	>	} catch (NullPointerException success) {}
976		}
977		}
978
#	Line 805 | Line 980 | public class ScheduledExecutorTest exten
980		* invokeAny(empty collection) throws IAE
981		*/
982		public void testInvokeAny2() throws Exception {
983	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
984	<	try {
985	<	e.invokeAny(new ArrayList<Callable<String>>());
986	<	shouldThrow();
987	<	} catch (IllegalArgumentException success) {
988	<	} finally {
814	<	joinPool(e);
983	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
984	>	try (PoolCleaner cleaner = cleaner(e)) {
985	>	try {
986	>	e.invokeAny(new ArrayList<Callable<String>>());
987	>	shouldThrow();
988	>	} catch (IllegalArgumentException success) {}
989		}
990		}
991
#	Line 820 | Line 994 | public class ScheduledExecutorTest exten
994		*/
995		public void testInvokeAny3() throws Exception {
996		CountDownLatch latch = new CountDownLatch(1);
997	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
998	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
999	<	l.add(latchAwaitingStringTask(latch));
1000	<	l.add(null);
1001	<	try {
1002	<	e.invokeAny(l);
1003	<	shouldThrow();
1004	<	} catch (NullPointerException success) {
1005	<	} finally {
997	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
998	>	try (PoolCleaner cleaner = cleaner(e)) {
999	>	List<Callable<String>> l = new ArrayList<>();
1000	>	l.add(latchAwaitingStringTask(latch));
1001	>	l.add(null);
1002	>	try {
1003	>	e.invokeAny(l);
1004	>	shouldThrow();
1005	>	} catch (NullPointerException success) {}
1006		latch.countDown();
833	–	joinPool(e);
1007		}
1008		}
1009
#	Line 838 | Line 1011 | public class ScheduledExecutorTest exten
1011		* invokeAny(c) throws ExecutionException if no task completes
1012		*/
1013		public void testInvokeAny4() throws Exception {
1014	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1015	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1016	<	l.add(new NPETask());
1017	<	try {
1018	<	e.invokeAny(l);
1019	<	shouldThrow();
1020	<	} catch (ExecutionException success) {
1021	<	assertTrue(success.getCause() instanceof NullPointerException);
1022	<	} finally {
1023	<	joinPool(e);
1014	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1015	>	try (PoolCleaner cleaner = cleaner(e)) {
1016	>	List<Callable<String>> l = new ArrayList<>();
1017	>	l.add(new NPETask());
1018	>	try {
1019	>	e.invokeAny(l);
1020	>	shouldThrow();
1021	>	} catch (ExecutionException success) {
1022	>	assertTrue(success.getCause() instanceof NullPointerException);
1023	>	}
1024		}
1025		}
1026
#	Line 855 | Line 1028 | public class ScheduledExecutorTest exten
1028		* invokeAny(c) returns result of some task
1029		*/
1030		public void testInvokeAny5() throws Exception {
1031	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1032	<	try {
1033	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1031	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1032	>	try (PoolCleaner cleaner = cleaner(e)) {
1033	>	List<Callable<String>> l = new ArrayList<>();
1034		l.add(new StringTask());
1035		l.add(new StringTask());
1036		String result = e.invokeAny(l);
1037		assertSame(TEST_STRING, result);
865	–	} finally {
866	–	joinPool(e);
1038		}
1039		}
1040
#	Line 871 | Line 1042 | public class ScheduledExecutorTest exten
1042		* invokeAll(null) throws NPE
1043		*/
1044		public void testInvokeAll1() throws Exception {
1045	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1046	<	try {
1047	<	e.invokeAll(null);
1048	<	shouldThrow();
1049	<	} catch (NullPointerException success) {
1050	<	} finally {
880	<	joinPool(e);
1045	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1046	>	try (PoolCleaner cleaner = cleaner(e)) {
1047	>	try {
1048	>	e.invokeAll(null);
1049	>	shouldThrow();
1050	>	} catch (NullPointerException success) {}
1051		}
1052		}
1053
#	Line 885 | Line 1055 | public class ScheduledExecutorTest exten
1055		* invokeAll(empty collection) returns empty collection
1056		*/
1057		public void testInvokeAll2() throws Exception {
1058	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1059	<	try {
1058	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1059	>	try (PoolCleaner cleaner = cleaner(e)) {
1060		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1061		assertTrue(r.isEmpty());
892	–	} finally {
893	–	joinPool(e);
1062		}
1063		}
1064
#	Line 898 | Line 1066 | public class ScheduledExecutorTest exten
1066		* invokeAll(c) throws NPE if c has null elements
1067		*/
1068		public void testInvokeAll3() throws Exception {
1069	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1070	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1071	<	l.add(new StringTask());
1072	<	l.add(null);
1073	<	try {
1074	<	e.invokeAll(l);
1075	<	shouldThrow();
1076	<	} catch (NullPointerException success) {
1077	<	} finally {
910	<	joinPool(e);
1069	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1070	>	try (PoolCleaner cleaner = cleaner(e)) {
1071	>	List<Callable<String>> l = new ArrayList<>();
1072	>	l.add(new StringTask());
1073	>	l.add(null);
1074	>	try {
1075	>	e.invokeAll(l);
1076	>	shouldThrow();
1077	>	} catch (NullPointerException success) {}
1078		}
1079		}
1080
#	Line 915 | Line 1082 | public class ScheduledExecutorTest exten
1082		* get of invokeAll(c) throws exception on failed task
1083		*/
1084		public void testInvokeAll4() throws Exception {
1085	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1086	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1087	<	l.add(new NPETask());
1088	<	List<Future<String>> futures = e.invokeAll(l);
1089	<	assertEquals(1, futures.size());
1090	<	try {
1091	<	futures.get(0).get();
1092	<	shouldThrow();
1093	<	} catch (ExecutionException success) {
1094	<	assertTrue(success.getCause() instanceof NullPointerException);
1095	<	} finally {
1096	<	joinPool(e);
1085	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1086	>	try (PoolCleaner cleaner = cleaner(e)) {
1087	>	List<Callable<String>> l = new ArrayList<>();
1088	>	l.add(new NPETask());
1089	>	List<Future<String>> futures = e.invokeAll(l);
1090	>	assertEquals(1, futures.size());
1091	>	try {
1092	>	futures.get(0).get();
1093	>	shouldThrow();
1094	>	} catch (ExecutionException success) {
1095	>	assertTrue(success.getCause() instanceof NullPointerException);
1096	>	}
1097		}
1098		}
1099
#	Line 934 | Line 1101 | public class ScheduledExecutorTest exten
1101		* invokeAll(c) returns results of all completed tasks
1102		*/
1103		public void testInvokeAll5() throws Exception {
1104	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1105	<	try {
1106	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1104	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1105	>	try (PoolCleaner cleaner = cleaner(e)) {
1106	>	List<Callable<String>> l = new ArrayList<>();
1107		l.add(new StringTask());
1108		l.add(new StringTask());
1109		List<Future<String>> futures = e.invokeAll(l);
1110		assertEquals(2, futures.size());
1111		for (Future<String> future : futures)
1112		assertSame(TEST_STRING, future.get());
946	–	} finally {
947	–	joinPool(e);
1113		}
1114		}
1115
#	Line 952 | Line 1117 | public class ScheduledExecutorTest exten
1117		* timed invokeAny(null) throws NPE
1118		*/
1119		public void testTimedInvokeAny1() throws Exception {
1120	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1121	<	try {
1122	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1123	<	shouldThrow();
1124	<	} catch (NullPointerException success) {
1125	<	} finally {
961	<	joinPool(e);
1120	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1121	>	try (PoolCleaner cleaner = cleaner(e)) {
1122	>	try {
1123	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1124	>	shouldThrow();
1125	>	} catch (NullPointerException success) {}
1126		}
1127		}
1128
#	Line 966 | Line 1130 | public class ScheduledExecutorTest exten
1130		* timed invokeAny(,,null) throws NPE
1131		*/
1132		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1133	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1134	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1135	<	l.add(new StringTask());
1136	<	try {
1137	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1138	<	shouldThrow();
1139	<	} catch (NullPointerException success) {
1140	<	} finally {
977	<	joinPool(e);
1133	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1134	>	try (PoolCleaner cleaner = cleaner(e)) {
1135	>	List<Callable<String>> l = new ArrayList<>();
1136	>	l.add(new StringTask());
1137	>	try {
1138	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1139	>	shouldThrow();
1140	>	} catch (NullPointerException success) {}
1141		}
1142		}
1143
#	Line 982 | Line 1145 | public class ScheduledExecutorTest exten
1145		* timed invokeAny(empty collection) throws IAE
1146		*/
1147		public void testTimedInvokeAny2() throws Exception {
1148	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1149	<	try {
1150	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1151	<	shouldThrow();
1152	<	} catch (IllegalArgumentException success) {
1153	<	} finally {
991	<	joinPool(e);
1148	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1149	>	try (PoolCleaner cleaner = cleaner(e)) {
1150	>	try {
1151	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1152	>	shouldThrow();
1153	>	} catch (IllegalArgumentException success) {}
1154		}
1155		}
1156
#	Line 997 | Line 1159 | public class ScheduledExecutorTest exten
1159		*/
1160		public void testTimedInvokeAny3() throws Exception {
1161		CountDownLatch latch = new CountDownLatch(1);
1162	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1163	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1164	<	l.add(latchAwaitingStringTask(latch));
1165	<	l.add(null);
1166	<	try {
1167	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1168	<	shouldThrow();
1169	<	} catch (NullPointerException success) {
1170	<	} finally {
1162	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1163	>	try (PoolCleaner cleaner = cleaner(e)) {
1164	>	List<Callable<String>> l = new ArrayList<>();
1165	>	l.add(latchAwaitingStringTask(latch));
1166	>	l.add(null);
1167	>	try {
1168	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1169	>	shouldThrow();
1170	>	} catch (NullPointerException success) {}
1171		latch.countDown();
1010	–	joinPool(e);
1172		}
1173		}
1174
#	Line 1015 | Line 1176 | public class ScheduledExecutorTest exten
1176		* timed invokeAny(c) throws ExecutionException if no task completes
1177		*/
1178		public void testTimedInvokeAny4() throws Exception {
1179	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1180	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1181	<	l.add(new NPETask());
1182	<	try {
1183	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1184	<	shouldThrow();
1185	<	} catch (ExecutionException success) {
1186	<	assertTrue(success.getCause() instanceof NullPointerException);
1187	<	} finally {
1188	<	joinPool(e);
1179	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1180	>	try (PoolCleaner cleaner = cleaner(e)) {
1181	>	long startTime = System.nanoTime();
1182	>	List<Callable<String>> l = new ArrayList<>();
1183	>	l.add(new NPETask());
1184	>	try {
1185	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1186	>	shouldThrow();
1187	>	} catch (ExecutionException success) {
1188	>	assertTrue(success.getCause() instanceof NullPointerException);
1189	>	}
1190	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1191		}
1192		}
1193
#	Line 1032 | Line 1195 | public class ScheduledExecutorTest exten
1195		* timed invokeAny(c) returns result of some task
1196		*/
1197		public void testTimedInvokeAny5() throws Exception {
1198	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1199	<	try {
1200	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1198	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1199	>	try (PoolCleaner cleaner = cleaner(e)) {
1200	>	long startTime = System.nanoTime();
1201	>	List<Callable<String>> l = new ArrayList<>();
1202		l.add(new StringTask());
1203		l.add(new StringTask());
1204	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1204	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1205		assertSame(TEST_STRING, result);
1206	<	} finally {
1043	<	joinPool(e);
1206	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1207		}
1208		}
1209
#	Line 1048 | Line 1211 | public class ScheduledExecutorTest exten
1211		* timed invokeAll(null) throws NPE
1212		*/
1213		public void testTimedInvokeAll1() throws Exception {
1214	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1215	<	try {
1216	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1217	<	shouldThrow();
1218	<	} catch (NullPointerException success) {
1219	<	} finally {
1057	<	joinPool(e);
1214	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1215	>	try (PoolCleaner cleaner = cleaner(e)) {
1216	>	try {
1217	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1218	>	shouldThrow();
1219	>	} catch (NullPointerException success) {}
1220		}
1221		}
1222
#	Line 1062 | Line 1224 | public class ScheduledExecutorTest exten
1224		* timed invokeAll(,,null) throws NPE
1225		*/
1226		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1227	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1228	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1229	<	l.add(new StringTask());
1230	<	try {
1231	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1232	<	shouldThrow();
1233	<	} catch (NullPointerException success) {
1234	<	} finally {
1073	<	joinPool(e);
1227	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1228	>	try (PoolCleaner cleaner = cleaner(e)) {
1229	>	List<Callable<String>> l = new ArrayList<>();
1230	>	l.add(new StringTask());
1231	>	try {
1232	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1233	>	shouldThrow();
1234	>	} catch (NullPointerException success) {}
1235		}
1236		}
1237
#	Line 1078 | Line 1239 | public class ScheduledExecutorTest exten
1239		* timed invokeAll(empty collection) returns empty collection
1240		*/
1241		public void testTimedInvokeAll2() throws Exception {
1242	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1243	<	try {
1244	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1242	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1243	>	try (PoolCleaner cleaner = cleaner(e)) {
1244	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1245	>	MEDIUM_DELAY_MS, MILLISECONDS);
1246		assertTrue(r.isEmpty());
1085	–	} finally {
1086	–	joinPool(e);
1247		}
1248		}
1249
#	Line 1091 | Line 1251 | public class ScheduledExecutorTest exten
1251		* timed invokeAll(c) throws NPE if c has null elements
1252		*/
1253		public void testTimedInvokeAll3() throws Exception {
1254	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1255	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1256	<	l.add(new StringTask());
1257	<	l.add(null);
1258	<	try {
1259	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1260	<	shouldThrow();
1261	<	} catch (NullPointerException success) {
1262	<	} finally {
1103	<	joinPool(e);
1254	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1255	>	try (PoolCleaner cleaner = cleaner(e)) {
1256	>	List<Callable<String>> l = new ArrayList<>();
1257	>	l.add(new StringTask());
1258	>	l.add(null);
1259	>	try {
1260	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1261	>	shouldThrow();
1262	>	} catch (NullPointerException success) {}
1263		}
1264		}
1265
#	Line 1108 | Line 1267 | public class ScheduledExecutorTest exten
1267		* get of element of invokeAll(c) throws exception on failed task
1268		*/
1269		public void testTimedInvokeAll4() throws Exception {
1270	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1271	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1272	<	l.add(new NPETask());
1273	<	List<Future<String>> futures =
1274	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1275	<	assertEquals(1, futures.size());
1276	<	try {
1277	<	futures.get(0).get();
1278	<	shouldThrow();
1279	<	} catch (ExecutionException success) {
1280	<	assertTrue(success.getCause() instanceof NullPointerException);
1281	<	} finally {
1282	<	joinPool(e);
1270	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1271	>	try (PoolCleaner cleaner = cleaner(e)) {
1272	>	List<Callable<String>> l = new ArrayList<>();
1273	>	l.add(new NPETask());
1274	>	List<Future<String>> futures =
1275	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1276	>	assertEquals(1, futures.size());
1277	>	try {
1278	>	futures.get(0).get();
1279	>	shouldThrow();
1280	>	} catch (ExecutionException success) {
1281	>	assertTrue(success.getCause() instanceof NullPointerException);
1282	>	}
1283		}
1284		}
1285
#	Line 1128 | Line 1287 | public class ScheduledExecutorTest exten
1287		* timed invokeAll(c) returns results of all completed tasks
1288		*/
1289		public void testTimedInvokeAll5() throws Exception {
1290	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1291	<	try {
1292	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1290	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1291	>	try (PoolCleaner cleaner = cleaner(e)) {
1292	>	List<Callable<String>> l = new ArrayList<>();
1293		l.add(new StringTask());
1294		l.add(new StringTask());
1295		List<Future<String>> futures =
1296	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1296	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1297		assertEquals(2, futures.size());
1298		for (Future<String> future : futures)
1299		assertSame(TEST_STRING, future.get());
1141	–	} finally {
1142	–	joinPool(e);
1300		}
1301		}
1302
#	Line 1147 | Line 1304 | public class ScheduledExecutorTest exten
1304		* timed invokeAll(c) cancels tasks not completed by timeout
1305		*/
1306		public void testTimedInvokeAll6() throws Exception {
1307	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1308	<	try {
1309	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1310	<	l.add(new StringTask());
1311	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1312	<	l.add(new StringTask());
1313	<	List<Future<String>> futures =
1314	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1315	<	assertEquals(3, futures.size());
1316	<	Iterator<Future<String>> it = futures.iterator();
1317	<	Future<String> f1 = it.next();
1318	<	Future<String> f2 = it.next();
1319	<	Future<String> f3 = it.next();
1320	<	assertTrue(f1.isDone());
1321	<	assertTrue(f2.isDone());
1322	<	assertTrue(f3.isDone());
1323	<	assertFalse(f1.isCancelled());
1324	<	assertTrue(f2.isCancelled());
1325	<	} finally {
1326	<	joinPool(e);
1307	>	for (long timeout = timeoutMillis();;) {
1308	>	final CountDownLatch done = new CountDownLatch(1);
1309	>	final Callable<String> waiter = new CheckedCallable<String>() {
1310	>	public String realCall() {
1311	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1312	>	catch (InterruptedException ok) {}
1313	>	return "1"; }};
1314	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1315	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1316	>	List<Callable<String>> tasks = new ArrayList<>();
1317	>	tasks.add(new StringTask("0"));
1318	>	tasks.add(waiter);
1319	>	tasks.add(new StringTask("2"));
1320	>	long startTime = System.nanoTime();
1321	>	List<Future<String>> futures =
1322	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1323	>	assertEquals(tasks.size(), futures.size());
1324	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1325	>	for (Future future : futures)
1326	>	assertTrue(future.isDone());
1327	>	assertTrue(futures.get(1).isCancelled());
1328	>	try {
1329	>	assertEquals("0", futures.get(0).get());
1330	>	assertEquals("2", futures.get(2).get());
1331	>	break;
1332	>	} catch (CancellationException retryWithLongerTimeout) {
1333	>	timeout *= 2;
1334	>	if (timeout >= LONG_DELAY_MS / 2)
1335	>	fail("expected exactly one task to be cancelled");
1336	>	}
1337	>	}
1338	>	}
1339	>	}
1340	>
1341	>	/**
1342	>	* A fixed delay task with overflowing period should not prevent a
1343	>	* one-shot task from executing.
1344	>	* https://bugs.openjdk.java.net/browse/JDK-8051859
1345	>	*/
1346	>	public void testScheduleWithFixedDelay_overflow() throws Exception {
1347	>	final CountDownLatch delayedDone = new CountDownLatch(1);
1348	>	final CountDownLatch immediateDone = new CountDownLatch(1);
1349	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1350	>	try (PoolCleaner cleaner = cleaner(p)) {
1351	>	final Runnable immediate = new Runnable() { public void run() {
1352	>	immediateDone.countDown();
1353	>	}};
1354	>	final Runnable delayed = new Runnable() { public void run() {
1355	>	delayedDone.countDown();
1356	>	p.submit(immediate);
1357	>	}};
1358	>	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1359	>	await(delayedDone);
1360	>	await(immediateDone);
1361		}
1362		}
1363

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