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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.39 by dl, Fri May 6 11:22:07 2011 UTC vs.
Revision 1.90 by jsr166, Tue Mar 28 23:21:24 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);
43		}
44
23	–
45		/**
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();
33	<	}};
34	<	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));
37	<	} finally {
38	<	joinPool(p);
55	>	await(done);
56		}
57		}
58
42	–
59		/**
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 t0 = System.nanoTime();
65	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
66	<	final CountDownLatch done = new CountDownLatch(1);
51	<	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();
70	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
70	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
71		return Boolean.TRUE;
72		}};
73	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
74	<	assertEquals(Boolean.TRUE, f.get());
75	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
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));
62	–	} finally {
63	–	joinPool(p);
77		}
78		}
79
#	Line 68 | 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 t0 = System.nanoTime();
86	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
87	<	final CountDownLatch done = new CountDownLatch(1);
75	<	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();
91	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
91	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
92		}};
93	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
94	<	assertNull(f.get());
95	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
96	<	assertTrue(done.await(0L, MILLISECONDS));
85	<	} finally {
86	<	joinPool(p);
93	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
94	>	await(done);
95	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
96	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
97		}
98		}
99
#	Line 91 | 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 t0 = System.nanoTime();
106	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
107	<	final CountDownLatch done = new CountDownLatch(1);
98	<	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();
111	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
111	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
112		}};
113		ScheduledFuture f =
114	<	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
115	<	SHORT_DELAY_MS, MILLISECONDS);
116	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
117	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
114	>	p.scheduleAtFixedRate(task, timeoutMillis(),
115	>	LONG_DELAY_MS, MILLISECONDS);
116	>	await(done);
117	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
118		f.cancel(true);
110	–	} finally {
111	–	joinPool(p);
119		}
120		}
121
122		/**
123		* scheduleWithFixedDelay executes runnable after given initial delay
124		*/
125	<	public void testSchedule5() throws InterruptedException {
126	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
127	<	final long t0 = System.nanoTime();
128	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
129	<	final CountDownLatch done = new CountDownLatch(1);
123	<	try {
125	>	public void testSchedule5() throws Exception {
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();
133	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
133	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
134		}};
135		ScheduledFuture f =
136	<	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
137	<	SHORT_DELAY_MS, MILLISECONDS);
138	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
139	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
136	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
137	>	LONG_DELAY_MS, MILLISECONDS);
138	>	await(done);
139	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
140		f.cancel(true);
135	–	} finally {
136	–	joinPool(p);
141		}
142		}
143
#	Line 143 | 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
179	–
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	<
191	<	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	>	TrackedCallable callable = null;
245	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
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		}
220	–
221	–	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		}
237	–	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		}
253	–	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		}
269	–	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		}
285	–	joinPool(se);
329		}
330
331		/**
#	Line 290 | Line 333 | public class ScheduledExecutorTest exten
333		* thread becomes active
334		*/
335		public void testGetActiveCount() throws InterruptedException {
293	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
294	–	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());
306	–	} finally {
307	–	done.countDown();
308	–	joinPool(p);
349		}
350		}
351
#	Line 315 | 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();
374	<	delay(SHORT_DELAY_MS);
375	<	assertEquals(1, p.getCompletedTaskCount());
376	<	} finally {
377	<	joinPool(p);
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	>	}
380		}
381		}
382
#	Line 343 | 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 356 | 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));
369	<	assertEquals(THREADS, p.getLargestPoolSize());
370	<	} finally {
371	<	done.countDown();
372	<	joinPool(p);
411	>	await(threadsStarted);
412		assertEquals(THREADS, p.getLargestPoolSize());
413		}
414	+	assertEquals(THREADS, p.getLargestPoolSize());
415		}
416
417		/**
#	Line 382 | 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());
395	–	} finally {
396	–	done.countDown();
397	–	joinPool(p);
435		}
436		}
437
#	Line 403 | Line 440 | public class ScheduledExecutorTest exten
440		* submitted
441		*/
442		public void testGetTaskCount() throws InterruptedException {
443	<	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
407	<	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 {
421	<	done.countDown();
422	<	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 {
457	<	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	<	* isShutDown is false before shutdown, true after
512	>	* The default rejected execution handler is AbortPolicy.
513		*/
514	<	public void testIsShutdown() {
515	<
516	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
517	<	try {
518	<	assertFalse(p.isShutdown());
469	<	}
470	<	finally {
471	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
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		}
473	–	assertTrue(p.isShutdown());
520		}
521
522	+	/**
523	+	* isShutdown is false before shutdown, true after
524	+	*/
525	+	public void testIsShutdown() {
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	+	}
534	+	}
535
536		/**
537		* isTerminated is false before termination, true after
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();
495	–	} finally {
554		try { p.shutdown(); } catch (SecurityException ok) { return; }
555	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
556	+	assertTrue(p.isTerminated());
557		}
498	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
499	–	assertTrue(p.isTerminated());
558		}
559
560		/**
#	Line 506 | 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();
520	–	} 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		}
523	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
524	–	assertTrue(p.isTerminated());
525	–	assertFalse(p.isTerminating());
583		}
584
585		/**
586		* getQueue returns the work queue, which contains queued tasks
587		*/
588		public void testGetQueue() throws InterruptedException {
532	–	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
533	–	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]));
549	–	} finally {
550	–	done.countDown();
551	–	joinPool(p);
606		}
607		}
608
#	Line 556 | 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 {
559	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
560	–	ScheduledFuture[] tasks = new ScheduledFuture[5];
561	–	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 580 | 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]));
583	–	} finally {
584	–	done.countDown();
585	–	joinPool(p);
637		}
638		}
639
640		/**
641	<	* purge removes cancelled tasks from the queue
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(), SHORT_DELAY_MS, MILLISECONDS);
648	<	}
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;
656		// There must eventually be an interference-free point at
657		// which purge will not fail. (At worst, when queue is empty.)
658	<	int k;
659	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
658	>	long startTime = System.nanoTime();
659	>	do {
660		p.purge();
661		long count = p.getTaskCount();
662	<	if (count >= 0 && count <= max)
663	<	break;
664	<	delay(1);
665	<	}
612	<	assertTrue(k < SMALL_DELAY_MS);
613	<	} finally {
614	<	for (ScheduledFuture task : tasks)
615	<	task.cancel(true);
616	<	joinPool(p);
662	>	if (count == max)
663	>	return;
664	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
665	>	fail("Purge failed to remove cancelled tasks");
666		}
667		}
668
669		/**
670	<	* shutDownNow returns a list containing tasks that were not run
671	<	*/
672	<	public void testShutDownNow() throws InterruptedException {
673	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
674	<	for (int i = 0; i < 5; i++)
675	<	p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
676	<	List l;
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() 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	<	l = p.shutdownNow();
694	>	queuedTasks = p.shutdownNow();
695		} catch (SecurityException ok) {
696	<	return;
696	>	return; // Allowed in case test doesn't have privs
697		}
698		assertTrue(p.isShutdown());
699	<	assertTrue(l.size() > 0 && l.size() <= 5);
700	<	joinPool(p);
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
667	–
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());
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 = 6;
750	>	final ScheduledThreadPoolExecutor p
751	>	= new ScheduledThreadPoolExecutor(poolSize);
752	>	final BlockingQueue<Runnable> q = p.getQueue();
753	>	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
754	>	final boolean effectiveDelayedPolicy;
755	>	final boolean effectivePeriodicPolicy;
756	>	final boolean effectiveRemovePolicy;
757	>
758	>	if (rnd.nextBoolean())
759	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(
760	>	effectiveDelayedPolicy = rnd.nextBoolean());
761	>	else
762	>	effectiveDelayedPolicy = true;
763	>	assertEquals(effectiveDelayedPolicy,
764	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
765	>
766	>	if (rnd.nextBoolean())
767	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(
768	>	effectivePeriodicPolicy = rnd.nextBoolean());
769	>	else
770	>	effectivePeriodicPolicy = false;
771	>	assertEquals(effectivePeriodicPolicy,
772	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
773	>
774	>	if (rnd.nextBoolean())
775	>	p.setRemoveOnCancelPolicy(
776	>	effectiveRemovePolicy = rnd.nextBoolean());
777	>	else
778	>	effectiveRemovePolicy = false;
779	>	assertEquals(effectiveRemovePolicy,
780	>	p.getRemoveOnCancelPolicy());
781	>
782	>	final boolean periodicTasksContinue = effectivePeriodicPolicy && rnd.nextBoolean();
783	>
784	>	// Strategy: Wedge the pool with one wave of "blocker" tasks,
785	>	// then add a second wave that waits in the queue until unblocked.
786	>	final AtomicInteger ran = new AtomicInteger(0);
787	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
788	>	final CountDownLatch unblock = new CountDownLatch(1);
789	>	final RuntimeException exception = new RuntimeException();
790	>
791	>	class Task implements Runnable {
792	>	public void run() {
793	>	try {
794	>	ran.getAndIncrement();
795	>	poolBlocked.countDown();
796	>	await(unblock);
797	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
798	>	}
799	>	}
800	>
801	>	class PeriodicTask extends Task {
802	>	PeriodicTask(int rounds) { this.rounds = rounds; }
803	>	int rounds;
804	>	public void run() {
805	>	if (--rounds == 0) super.run();
806	>	// throw exception to surely terminate this periodic task,
807	>	// but in a separate execution and in a detectable way.
808	>	if (rounds == -1) throw exception;
809	>	}
810	>	}
811	>
812	>	Runnable task = new Task();
813	>
814	>	List<Future<?>> immediates = new ArrayList<>();
815	>	List<Future<?>> delayeds   = new ArrayList<>();
816	>	List<Future<?>> periodics  = new ArrayList<>();
817	>
818	>	immediates.add(p.submit(task));
819	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
820	>	for (int rounds : new int[] { 1, 2 }) {
821	>	periodics.add(p.scheduleAtFixedRate(
822	>	new PeriodicTask(rounds), 1, 1, MILLISECONDS));
823	>	periodics.add(p.scheduleWithFixedDelay(
824	>	new PeriodicTask(rounds), 1, 1, MILLISECONDS));
825	>	}
826	>
827	>	await(poolBlocked);
828	>
829	>	assertEquals(poolSize, ran.get());
830		assertTrue(q.isEmpty());
831	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
832	<	assertTrue(p.isTerminated());
833	<	for (ScheduledFuture task : tasks) {
834	<	assertTrue(task.isDone());
835	<	assertTrue(task.isCancelled());
831	>
832	>	// Add second wave of tasks.
833	>	immediates.add(p.submit(task));
834	>	long delay_ms = effectiveDelayedPolicy ? 1 : LONG_DELAY_MS;
835	>	delayeds.add(p.schedule(task, delay_ms, MILLISECONDS));
836	>	for (int rounds : new int[] { 1, 2 }) {
837	>	periodics.add(p.scheduleAtFixedRate(
838	>	new PeriodicTask(rounds), 1, 1, MILLISECONDS));
839	>	periodics.add(p.scheduleWithFixedDelay(
840	>	new PeriodicTask(rounds), 1, 1, MILLISECONDS));
841		}
692	–	}
842
843	<	/**
844	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
845	<	* periodic tasks are cancelled at shutdown
846	<	*/
847	<	public void testShutDown3() throws InterruptedException {
848	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
849	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
850	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
851	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
703	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
704	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
705	<	ScheduledFuture task =
706	<	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
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	<	BlockingQueue q = p.getQueue();
855	<	assertTrue(p.getQueue().isEmpty());
711	<	assertTrue(task.isDone());
712	<	assertTrue(task.isCancelled());
713	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
714	<	assertTrue(p.isTerminated());
715	<	}
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(4, 8)));
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 (testImplementationDetails) {
882	>	if (effectivePeriodicPolicy)
883	>	periodics.forEach(
884	>	f -> {
885	>	assertFalse(f.isDone());
886	>	if (!periodicTasksContinue)
887	>	assertTrue(f.cancel(false));
888	>	});
889	>	else {
890	>	periodics.subList(0, 4).forEach(f -> assertFalse(f.isDone()));
891	>	periodics.subList(4, 8).forEach(f -> assertTrue(f.isCancelled()));
892	>	}
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 ? 4 : 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);
762	–	} finally {
763	–	joinPool(e);
941		}
942		}
943
#	Line 768 | 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());
776	–	} finally {
777	–	joinPool(e);
953		}
954		}
955
#	Line 782 | 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);
790	–	} finally {
791	–	joinPool(e);
965		}
966		}
967
#	Line 796 | Line 969 | public class ScheduledExecutorTest exten
969		* invokeAny(null) throws NPE
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 {
805	<	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
#	Line 810 | Line 982 | public class ScheduledExecutorTest exten
982		* invokeAny(empty collection) throws IAE
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 {
819	<	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
#	Line 825 | Line 996 | public class ScheduledExecutorTest exten
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();
838	–	joinPool(e);
1009		}
1010		}
1011
#	Line 843 | 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 860 | 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);
870	–	} finally {
871	–	joinPool(e);
1040		}
1041		}
1042
#	Line 876 | 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 {
885	<	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
#	Line 890 | Line 1057 | public class ScheduledExecutorTest exten
1057		* invokeAll(empty collection) returns empty collection
1058		*/
1059		public void testInvokeAll2() throws Exception {
1060	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1061	<	try {
1060	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1061	>	try (PoolCleaner cleaner = cleaner(e)) {
1062		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1063		assertTrue(r.isEmpty());
897	–	} finally {
898	–	joinPool(e);
1064		}
1065		}
1066
#	Line 903 | Line 1068 | public class ScheduledExecutorTest exten
1068		* invokeAll(c) throws NPE if c has null elements
1069		*/
1070		public void testInvokeAll3() throws Exception {
1071	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1073	<	l.add(new StringTask());
1074	<	l.add(null);
1075	<	try {
1076	<	e.invokeAll(l);
1077	<	shouldThrow();
1078	<	} catch (NullPointerException success) {
1079	<	} finally {
915	<	joinPool(e);
1071	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	>	try (PoolCleaner cleaner = cleaner(e)) {
1073	>	List<Callable<String>> l = new ArrayList<>();
1074	>	l.add(new StringTask());
1075	>	l.add(null);
1076	>	try {
1077	>	e.invokeAll(l);
1078	>	shouldThrow();
1079	>	} catch (NullPointerException success) {}
1080		}
1081		}
1082
#	Line 920 | Line 1084 | public class ScheduledExecutorTest exten
1084		* get of invokeAll(c) throws exception on failed task
1085		*/
1086		public void testInvokeAll4() throws Exception {
1087	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1088	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1089	<	l.add(new NPETask());
1090	<	List<Future<String>> futures = e.invokeAll(l);
1091	<	assertEquals(1, futures.size());
1092	<	try {
1093	<	futures.get(0).get();
1094	<	shouldThrow();
1095	<	} catch (ExecutionException success) {
1096	<	assertTrue(success.getCause() instanceof NullPointerException);
1097	<	} finally {
1098	<	joinPool(e);
1087	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1088	>	try (PoolCleaner cleaner = cleaner(e)) {
1089	>	List<Callable<String>> l = new ArrayList<>();
1090	>	l.add(new NPETask());
1091	>	List<Future<String>> futures = e.invokeAll(l);
1092	>	assertEquals(1, futures.size());
1093	>	try {
1094	>	futures.get(0).get();
1095	>	shouldThrow();
1096	>	} catch (ExecutionException success) {
1097	>	assertTrue(success.getCause() instanceof NullPointerException);
1098	>	}
1099		}
1100		}
1101
#	Line 939 | Line 1103 | public class ScheduledExecutorTest exten
1103		* invokeAll(c) returns results of all completed tasks
1104		*/
1105		public void testInvokeAll5() throws Exception {
1106	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1107	<	try {
1108	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1106	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1107	>	try (PoolCleaner cleaner = cleaner(e)) {
1108	>	List<Callable<String>> l = new ArrayList<>();
1109		l.add(new StringTask());
1110		l.add(new StringTask());
1111		List<Future<String>> futures = e.invokeAll(l);
1112		assertEquals(2, futures.size());
1113		for (Future<String> future : futures)
1114		assertSame(TEST_STRING, future.get());
951	–	} finally {
952	–	joinPool(e);
1115		}
1116		}
1117
#	Line 957 | Line 1119 | public class ScheduledExecutorTest exten
1119		* timed invokeAny(null) throws NPE
1120		*/
1121		public void testTimedInvokeAny1() throws Exception {
1122	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1123	<	try {
1124	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1125	<	shouldThrow();
1126	<	} catch (NullPointerException success) {
1127	<	} finally {
966	<	joinPool(e);
1122	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1123	>	try (PoolCleaner cleaner = cleaner(e)) {
1124	>	try {
1125	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1126	>	shouldThrow();
1127	>	} catch (NullPointerException success) {}
1128		}
1129		}
1130
#	Line 971 | Line 1132 | public class ScheduledExecutorTest exten
1132		* timed invokeAny(,,null) throws NPE
1133		*/
1134		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1135	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1136	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1137	<	l.add(new StringTask());
1138	<	try {
1139	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1140	<	shouldThrow();
1141	<	} catch (NullPointerException success) {
1142	<	} finally {
982	<	joinPool(e);
1135	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1136	>	try (PoolCleaner cleaner = cleaner(e)) {
1137	>	List<Callable<String>> l = new ArrayList<>();
1138	>	l.add(new StringTask());
1139	>	try {
1140	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1141	>	shouldThrow();
1142	>	} catch (NullPointerException success) {}
1143		}
1144		}
1145
#	Line 987 | Line 1147 | public class ScheduledExecutorTest exten
1147		* timed invokeAny(empty collection) throws IAE
1148		*/
1149		public void testTimedInvokeAny2() throws Exception {
1150	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1151	<	try {
1152	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1153	<	shouldThrow();
1154	<	} catch (IllegalArgumentException success) {
1155	<	} finally {
996	<	joinPool(e);
1150	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1151	>	try (PoolCleaner cleaner = cleaner(e)) {
1152	>	try {
1153	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1154	>	shouldThrow();
1155	>	} catch (IllegalArgumentException success) {}
1156		}
1157		}
1158
#	Line 1002 | Line 1161 | public class ScheduledExecutorTest exten
1161		*/
1162		public void testTimedInvokeAny3() throws Exception {
1163		CountDownLatch latch = new CountDownLatch(1);
1164	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1165	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1166	<	l.add(latchAwaitingStringTask(latch));
1167	<	l.add(null);
1168	<	try {
1169	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1170	<	shouldThrow();
1171	<	} catch (NullPointerException success) {
1172	<	} finally {
1164	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1165	>	try (PoolCleaner cleaner = cleaner(e)) {
1166	>	List<Callable<String>> l = new ArrayList<>();
1167	>	l.add(latchAwaitingStringTask(latch));
1168	>	l.add(null);
1169	>	try {
1170	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1171	>	shouldThrow();
1172	>	} catch (NullPointerException success) {}
1173		latch.countDown();
1015	–	joinPool(e);
1174		}
1175		}
1176
#	Line 1020 | Line 1178 | public class ScheduledExecutorTest exten
1178		* timed invokeAny(c) throws ExecutionException if no task completes
1179		*/
1180		public void testTimedInvokeAny4() throws Exception {
1181	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1182	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1183	<	l.add(new NPETask());
1184	<	try {
1185	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1186	<	shouldThrow();
1187	<	} catch (ExecutionException success) {
1188	<	assertTrue(success.getCause() instanceof NullPointerException);
1189	<	} finally {
1190	<	joinPool(e);
1181	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1182	>	try (PoolCleaner cleaner = cleaner(e)) {
1183	>	long startTime = System.nanoTime();
1184	>	List<Callable<String>> l = new ArrayList<>();
1185	>	l.add(new NPETask());
1186	>	try {
1187	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1188	>	shouldThrow();
1189	>	} catch (ExecutionException success) {
1190	>	assertTrue(success.getCause() instanceof NullPointerException);
1191	>	}
1192	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1193		}
1194		}
1195
#	Line 1037 | Line 1197 | public class ScheduledExecutorTest exten
1197		* timed invokeAny(c) returns result of some task
1198		*/
1199		public void testTimedInvokeAny5() throws Exception {
1200	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1201	<	try {
1202	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1200	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1201	>	try (PoolCleaner cleaner = cleaner(e)) {
1202	>	long startTime = System.nanoTime();
1203	>	List<Callable<String>> l = new ArrayList<>();
1204		l.add(new StringTask());
1205		l.add(new StringTask());
1206	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1206	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1207		assertSame(TEST_STRING, result);
1208	<	} finally {
1048	<	joinPool(e);
1208	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1209		}
1210		}
1211
#	Line 1053 | Line 1213 | public class ScheduledExecutorTest exten
1213		* timed invokeAll(null) throws NPE
1214		*/
1215		public void testTimedInvokeAll1() throws Exception {
1216	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1217	<	try {
1218	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1219	<	shouldThrow();
1220	<	} catch (NullPointerException success) {
1221	<	} finally {
1062	<	joinPool(e);
1216	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1217	>	try (PoolCleaner cleaner = cleaner(e)) {
1218	>	try {
1219	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1220	>	shouldThrow();
1221	>	} catch (NullPointerException success) {}
1222		}
1223		}
1224
#	Line 1067 | Line 1226 | public class ScheduledExecutorTest exten
1226		* timed invokeAll(,,null) throws NPE
1227		*/
1228		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1229	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1230	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1231	<	l.add(new StringTask());
1232	<	try {
1233	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1234	<	shouldThrow();
1235	<	} catch (NullPointerException success) {
1236	<	} finally {
1078	<	joinPool(e);
1229	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1230	>	try (PoolCleaner cleaner = cleaner(e)) {
1231	>	List<Callable<String>> l = new ArrayList<>();
1232	>	l.add(new StringTask());
1233	>	try {
1234	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1235	>	shouldThrow();
1236	>	} catch (NullPointerException success) {}
1237		}
1238		}
1239
#	Line 1083 | Line 1241 | public class ScheduledExecutorTest exten
1241		* timed invokeAll(empty collection) returns empty collection
1242		*/
1243		public void testTimedInvokeAll2() throws Exception {
1244	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1245	<	try {
1246	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1244	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1245	>	try (PoolCleaner cleaner = cleaner(e)) {
1246	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1247	>	MEDIUM_DELAY_MS, MILLISECONDS);
1248		assertTrue(r.isEmpty());
1090	–	} finally {
1091	–	joinPool(e);
1249		}
1250		}
1251
#	Line 1096 | Line 1253 | public class ScheduledExecutorTest exten
1253		* timed invokeAll(c) throws NPE if c has null elements
1254		*/
1255		public void testTimedInvokeAll3() throws Exception {
1256	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1257	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1258	<	l.add(new StringTask());
1259	<	l.add(null);
1260	<	try {
1261	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1262	<	shouldThrow();
1263	<	} catch (NullPointerException success) {
1264	<	} finally {
1108	<	joinPool(e);
1256	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1257	>	try (PoolCleaner cleaner = cleaner(e)) {
1258	>	List<Callable<String>> l = new ArrayList<>();
1259	>	l.add(new StringTask());
1260	>	l.add(null);
1261	>	try {
1262	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1263	>	shouldThrow();
1264	>	} catch (NullPointerException success) {}
1265		}
1266		}
1267
#	Line 1113 | Line 1269 | public class ScheduledExecutorTest exten
1269		* get of element of invokeAll(c) throws exception on failed task
1270		*/
1271		public void testTimedInvokeAll4() throws Exception {
1272	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1273	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1274	<	l.add(new NPETask());
1275	<	List<Future<String>> futures =
1276	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1277	<	assertEquals(1, futures.size());
1278	<	try {
1279	<	futures.get(0).get();
1280	<	shouldThrow();
1281	<	} catch (ExecutionException success) {
1282	<	assertTrue(success.getCause() instanceof NullPointerException);
1283	<	} finally {
1284	<	joinPool(e);
1272	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1273	>	try (PoolCleaner cleaner = cleaner(e)) {
1274	>	List<Callable<String>> l = new ArrayList<>();
1275	>	l.add(new NPETask());
1276	>	List<Future<String>> futures =
1277	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1278	>	assertEquals(1, futures.size());
1279	>	try {
1280	>	futures.get(0).get();
1281	>	shouldThrow();
1282	>	} catch (ExecutionException success) {
1283	>	assertTrue(success.getCause() instanceof NullPointerException);
1284	>	}
1285		}
1286		}
1287
#	Line 1133 | Line 1289 | public class ScheduledExecutorTest exten
1289		* timed invokeAll(c) returns results of all completed tasks
1290		*/
1291		public void testTimedInvokeAll5() throws Exception {
1292	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1293	<	try {
1294	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1292	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1293	>	try (PoolCleaner cleaner = cleaner(e)) {
1294	>	List<Callable<String>> l = new ArrayList<>();
1295		l.add(new StringTask());
1296		l.add(new StringTask());
1297		List<Future<String>> futures =
1298	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1298	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1299		assertEquals(2, futures.size());
1300		for (Future<String> future : futures)
1301		assertSame(TEST_STRING, future.get());
1146	–	} finally {
1147	–	joinPool(e);
1302		}
1303		}
1304
#	Line 1152 | Line 1306 | public class ScheduledExecutorTest exten
1306		* timed invokeAll(c) cancels tasks not completed by timeout
1307		*/
1308		public void testTimedInvokeAll6() throws Exception {
1309	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1310	<	try {
1311	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1312	<	l.add(new StringTask());
1313	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1314	<	l.add(new StringTask());
1315	<	List<Future<String>> futures =
1316	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1317	<	assertEquals(3, futures.size());
1318	<	Iterator<Future<String>> it = futures.iterator();
1319	<	Future<String> f1 = it.next();
1320	<	Future<String> f2 = it.next();
1321	<	Future<String> f3 = it.next();
1322	<	assertTrue(f1.isDone());
1323	<	assertTrue(f2.isDone());
1324	<	assertTrue(f3.isDone());
1325	<	assertFalse(f1.isCancelled());
1326	<	assertTrue(f2.isCancelled());
1327	<	} finally {
1328	<	joinPool(e);
1309	>	for (long timeout = timeoutMillis();;) {
1310	>	final CountDownLatch done = new CountDownLatch(1);
1311	>	final Callable<String> waiter = new CheckedCallable<String>() {
1312	>	public String realCall() {
1313	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1314	>	catch (InterruptedException ok) {}
1315	>	return "1"; }};
1316	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1317	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1318	>	List<Callable<String>> tasks = new ArrayList<>();
1319	>	tasks.add(new StringTask("0"));
1320	>	tasks.add(waiter);
1321	>	tasks.add(new StringTask("2"));
1322	>	long startTime = System.nanoTime();
1323	>	List<Future<String>> futures =
1324	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1325	>	assertEquals(tasks.size(), futures.size());
1326	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1327	>	for (Future future : futures)
1328	>	assertTrue(future.isDone());
1329	>	assertTrue(futures.get(1).isCancelled());
1330	>	try {
1331	>	assertEquals("0", futures.get(0).get());
1332	>	assertEquals("2", futures.get(2).get());
1333	>	break;
1334	>	} catch (CancellationException retryWithLongerTimeout) {
1335	>	timeout *= 2;
1336	>	if (timeout >= LONG_DELAY_MS / 2)
1337	>	fail("expected exactly one task to be cancelled");
1338	>	}
1339	>	}
1340		}
1341		}
1342
1343	+	/**
1344	+	* A fixed delay task with overflowing period should not prevent a
1345	+	* one-shot task from executing.
1346	+	* https://bugs.openjdk.java.net/browse/JDK-8051859
1347	+	*/
1348	+	public void testScheduleWithFixedDelay_overflow() throws Exception {
1349	+	final CountDownLatch delayedDone = new CountDownLatch(1);
1350	+	final CountDownLatch immediateDone = new CountDownLatch(1);
1351	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1352	+	try (PoolCleaner cleaner = cleaner(p)) {
1353	+	final Runnable immediate = new Runnable() { public void run() {
1354	+	immediateDone.countDown();
1355	+	}};
1356	+	final Runnable delayed = new Runnable() { public void run() {
1357	+	delayedDone.countDown();
1358	+	p.submit(immediate);
1359	+	}};
1360	+	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1361	+	await(delayedDone);
1362	+	await(immediateDone);
1363	+	}
1364	+	}
1365
1366		}

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