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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 1.88 by jsr166, Sun Mar 26 02:00:39 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	>
33	>	import junit.framework.Test;
34	>	import junit.framework.TestSuite;
35
36		public class ScheduledExecutorTest extends JSR166TestCase {
37		public static void main(String[] args) {
38	<	junit.textui.TestRunner.run(suite());
38	>	main(suite(), args);
39		}
40		public static Test suite() {
41		return new TestSuite(ScheduledExecutorTest.class);
42		}
43
23	–
44		/**
45		* execute successfully executes a runnable
46		*/
47		public void testExecute() throws InterruptedException {
48	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
49	<	final CountDownLatch done = new CountDownLatch(1);
50	<	final Runnable task = new CheckedRunnable() {
51	<	public void realRun() {
52	<	done.countDown();
33	<	}};
34	<	try {
48	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
49	>	try (PoolCleaner cleaner = cleaner(p)) {
50	>	final CountDownLatch done = new CountDownLatch(1);
51	>	final Runnable task = new CheckedRunnable() {
52	>	public void realRun() { done.countDown(); }};
53		p.execute(task);
54	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
37	<	} finally {
38	<	joinPool(p);
54	>	await(done);
55		}
56		}
57
42	–
58		/**
59		* delayed schedule of callable successfully executes after delay
60		*/
61		public void testSchedule1() throws Exception {
62	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
63	<	final long t0 = System.nanoTime();
64	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
65	<	final CountDownLatch done = new CountDownLatch(1);
51	<	try {
62	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
63	>	try (PoolCleaner cleaner = cleaner(p)) {
64	>	final long startTime = System.nanoTime();
65	>	final CountDownLatch done = new CountDownLatch(1);
66		Callable task = new CheckedCallable<Boolean>() {
67		public Boolean realCall() {
68		done.countDown();
69	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
69	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
70		return Boolean.TRUE;
71		}};
72	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
73	<	assertEquals(Boolean.TRUE, f.get());
74	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
72	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
73	>	assertSame(Boolean.TRUE, f.get());
74	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
75		assertTrue(done.await(0L, MILLISECONDS));
62	–	} finally {
63	–	joinPool(p);
76		}
77		}
78
#	Line 68 | Line 80 | public class ScheduledExecutorTest exten
80		* delayed schedule of runnable successfully executes after delay
81		*/
82		public void testSchedule3() throws Exception {
83	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
84	<	final long t0 = System.nanoTime();
85	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
86	<	final CountDownLatch done = new CountDownLatch(1);
75	<	try {
83	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
84	>	try (PoolCleaner cleaner = cleaner(p)) {
85	>	final long startTime = System.nanoTime();
86	>	final CountDownLatch done = new CountDownLatch(1);
87		Runnable task = new CheckedRunnable() {
88		public void realRun() {
89		done.countDown();
90	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
90	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
91		}};
92	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
93	<	assertNull(f.get());
94	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
95	<	assertTrue(done.await(0L, MILLISECONDS));
85	<	} finally {
86	<	joinPool(p);
92	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
93	>	await(done);
94	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
95	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
96		}
97		}
98
#	Line 91 | Line 100 | public class ScheduledExecutorTest exten
100		* scheduleAtFixedRate executes runnable after given initial delay
101		*/
102		public void testSchedule4() throws Exception {
103	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
104	<	final long t0 = System.nanoTime();
105	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
106	<	final CountDownLatch done = new CountDownLatch(1);
98	<	try {
103	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
104	>	try (PoolCleaner cleaner = cleaner(p)) {
105	>	final long startTime = System.nanoTime();
106	>	final CountDownLatch done = new CountDownLatch(1);
107		Runnable task = new CheckedRunnable() {
108		public void realRun() {
109		done.countDown();
110	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
110	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
111		}};
112		ScheduledFuture f =
113	<	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
114	<	SHORT_DELAY_MS, MILLISECONDS);
115	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
116	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
113	>	p.scheduleAtFixedRate(task, timeoutMillis(),
114	>	LONG_DELAY_MS, MILLISECONDS);
115	>	await(done);
116	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
117		f.cancel(true);
110	–	} finally {
111	–	joinPool(p);
118		}
119		}
120
121		/**
122		* scheduleWithFixedDelay executes runnable after given initial delay
123		*/
124	<	public void testSchedule5() throws InterruptedException {
125	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
126	<	final long t0 = System.nanoTime();
127	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
128	<	final CountDownLatch done = new CountDownLatch(1);
123	<	try {
124	>	public void testSchedule5() throws Exception {
125	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
126	>	try (PoolCleaner cleaner = cleaner(p)) {
127	>	final long startTime = System.nanoTime();
128	>	final CountDownLatch done = new CountDownLatch(1);
129		Runnable task = new CheckedRunnable() {
130		public void realRun() {
131		done.countDown();
132	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
132	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
133		}};
134		ScheduledFuture f =
135	<	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
136	<	SHORT_DELAY_MS, MILLISECONDS);
137	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
138	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
135	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
136	>	LONG_DELAY_MS, MILLISECONDS);
137	>	await(done);
138	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
139		f.cancel(true);
135	–	} finally {
136	–	joinPool(p);
140		}
141		}
142
#	Line 143 | Line 146 | public class ScheduledExecutorTest exten
146		}
147
148		/**
149	<	* scheduleAtFixedRate executes series of tasks at given rate
149	>	* scheduleAtFixedRate executes series of tasks at given rate.
150	>	* Eventually, it must hold that:
151	>	*   cycles - 1 <= elapsedMillis/delay < cycles
152		*/
153		public void testFixedRateSequence() throws InterruptedException {
154	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
155	<	RunnableCounter counter = new RunnableCounter();
156	<	ScheduledFuture h =
157	<	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
158	<	delay(SMALL_DELAY_MS);
159	<	h.cancel(true);
160	<	int c = counter.count.get();
161	<	// By time scaling conventions, we must have at least
162	<	// an execution per SHORT delay, but no more than one SHORT more
163	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
164	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
165	<	joinPool(p);
154	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
155	>	try (PoolCleaner cleaner = cleaner(p)) {
156	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
157	>	final long startTime = System.nanoTime();
158	>	final int cycles = 8;
159	>	final CountDownLatch done = new CountDownLatch(cycles);
160	>	final Runnable task = new CheckedRunnable() {
161	>	public void realRun() { done.countDown(); }};
162	>	final ScheduledFuture periodicTask =
163	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
164	>	final int totalDelayMillis = (cycles - 1) * delay;
165	>	await(done, totalDelayMillis + LONG_DELAY_MS);
166	>	periodicTask.cancel(true);
167	>	final long elapsedMillis = millisElapsedSince(startTime);
168	>	assertTrue(elapsedMillis >= totalDelayMillis);
169	>	if (elapsedMillis <= cycles * delay)
170	>	return;
171	>	// else retry with longer delay
172	>	}
173	>	fail("unexpected execution rate");
174	>	}
175		}
176
177		/**
178	<	* scheduleWithFixedDelay executes series of tasks with given period
178	>	* scheduleWithFixedDelay executes series of tasks with given period.
179	>	* Eventually, it must hold that each task starts at least delay and at
180	>	* most 2 * delay after the termination of the previous task.
181		*/
182		public void testFixedDelaySequence() throws InterruptedException {
183	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
184	<	RunnableCounter counter = new RunnableCounter();
185	<	ScheduledFuture h =
186	<	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
187	<	delay(SMALL_DELAY_MS);
188	<	h.cancel(true);
189	<	int c = counter.count.get();
190	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
191	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
192	<	joinPool(p);
183	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
184	>	try (PoolCleaner cleaner = cleaner(p)) {
185	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
186	>	final long startTime = System.nanoTime();
187	>	final AtomicLong previous = new AtomicLong(startTime);
188	>	final AtomicBoolean tryLongerDelay = new AtomicBoolean(false);
189	>	final int cycles = 8;
190	>	final CountDownLatch done = new CountDownLatch(cycles);
191	>	final int d = delay;
192	>	final Runnable task = new CheckedRunnable() {
193	>	public void realRun() {
194	>	long now = System.nanoTime();
195	>	long elapsedMillis
196	>	= NANOSECONDS.toMillis(now - previous.get());
197	>	if (done.getCount() == cycles) { // first execution
198	>	if (elapsedMillis >= d)
199	>	tryLongerDelay.set(true);
200	>	} else {
201	>	assertTrue(elapsedMillis >= d);
202	>	if (elapsedMillis >= 2 * d)
203	>	tryLongerDelay.set(true);
204	>	}
205	>	previous.set(now);
206	>	done.countDown();
207	>	}};
208	>	final ScheduledFuture periodicTask =
209	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
210	>	final int totalDelayMillis = (cycles - 1) * delay;
211	>	await(done, totalDelayMillis + cycles * LONG_DELAY_MS);
212	>	periodicTask.cancel(true);
213	>	final long elapsedMillis = millisElapsedSince(startTime);
214	>	assertTrue(elapsedMillis >= totalDelayMillis);
215	>	if (!tryLongerDelay.get())
216	>	return;
217	>	// else retry with longer delay
218	>	}
219	>	fail("unexpected execution rate");
220	>	}
221		}
222
179	–
223		/**
224		* execute(null) throws NPE
225		*/
226		public void testExecuteNull() throws InterruptedException {
227	<	ScheduledThreadPoolExecutor se = null;
228	<	try {
229	<	se = new ScheduledThreadPoolExecutor(1);
230	<	se.execute(null);
231	<	shouldThrow();
232	<	} catch (NullPointerException success) {}
233	<
191	<	joinPool(se);
227	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
228	>	try (PoolCleaner cleaner = cleaner(p)) {
229	>	try {
230	>	p.execute(null);
231	>	shouldThrow();
232	>	} catch (NullPointerException success) {}
233	>	}
234		}
235
236		/**
237		* schedule(null) throws NPE
238		*/
239		public void testScheduleNull() throws InterruptedException {
240	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
241	<	try {
242	<	TrackedCallable callable = null;
243	<	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
244	<	shouldThrow();
245	<	} catch (NullPointerException success) {}
246	<	joinPool(se);
240	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
241	>	try (PoolCleaner cleaner = cleaner(p)) {
242	>	try {
243	>	TrackedCallable callable = null;
244	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
245	>	shouldThrow();
246	>	} catch (NullPointerException success) {}
247	>	}
248		}
249
250		/**
251		* execute throws RejectedExecutionException if shutdown
252		*/
253		public void testSchedule1_RejectedExecutionException() throws InterruptedException {
254	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
255	<	try {
256	<	se.shutdown();
257	<	se.schedule(new NoOpRunnable(),
258	<	MEDIUM_DELAY_MS, MILLISECONDS);
259	<	shouldThrow();
260	<	} catch (RejectedExecutionException success) {
261	<	} catch (SecurityException ok) {
254	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
255	>	try (PoolCleaner cleaner = cleaner(p)) {
256	>	try {
257	>	p.shutdown();
258	>	p.schedule(new NoOpRunnable(),
259	>	MEDIUM_DELAY_MS, MILLISECONDS);
260	>	shouldThrow();
261	>	} catch (RejectedExecutionException success) {
262	>	} catch (SecurityException ok) {}
263		}
220	–
221	–	joinPool(se);
264		}
265
266		/**
267		* schedule throws RejectedExecutionException if shutdown
268		*/
269		public void testSchedule2_RejectedExecutionException() throws InterruptedException {
270	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
271	<	try {
272	<	se.shutdown();
273	<	se.schedule(new NoOpCallable(),
274	<	MEDIUM_DELAY_MS, MILLISECONDS);
275	<	shouldThrow();
276	<	} catch (RejectedExecutionException success) {
277	<	} catch (SecurityException ok) {
270	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	p.shutdown();
274	>	p.schedule(new NoOpCallable(),
275	>	MEDIUM_DELAY_MS, MILLISECONDS);
276	>	shouldThrow();
277	>	} catch (RejectedExecutionException success) {
278	>	} catch (SecurityException ok) {}
279		}
237	–	joinPool(se);
280		}
281
282		/**
283		* schedule callable throws RejectedExecutionException if shutdown
284		*/
285		public void testSchedule3_RejectedExecutionException() throws InterruptedException {
286	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
287	<	try {
288	<	se.shutdown();
289	<	se.schedule(new NoOpCallable(),
290	<	MEDIUM_DELAY_MS, MILLISECONDS);
291	<	shouldThrow();
292	<	} catch (RejectedExecutionException success) {
293	<	} catch (SecurityException ok) {
286	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
287	>	try (PoolCleaner cleaner = cleaner(p)) {
288	>	try {
289	>	p.shutdown();
290	>	p.schedule(new NoOpCallable(),
291	>	MEDIUM_DELAY_MS, MILLISECONDS);
292	>	shouldThrow();
293	>	} catch (RejectedExecutionException success) {
294	>	} catch (SecurityException ok) {}
295		}
253	–	joinPool(se);
296		}
297
298		/**
299		* scheduleAtFixedRate throws RejectedExecutionException if shutdown
300		*/
301		public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
302	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
303	<	try {
304	<	se.shutdown();
305	<	se.scheduleAtFixedRate(new NoOpRunnable(),
306	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
307	<	shouldThrow();
308	<	} catch (RejectedExecutionException success) {
309	<	} catch (SecurityException ok) {
302	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	try {
305	>	p.shutdown();
306	>	p.scheduleAtFixedRate(new NoOpRunnable(),
307	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
308	>	shouldThrow();
309	>	} catch (RejectedExecutionException success) {
310	>	} catch (SecurityException ok) {}
311		}
269	–	joinPool(se);
312		}
313
314		/**
315		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
316		*/
317		public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
318	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
319	<	try {
320	<	se.shutdown();
321	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
322	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
323	<	shouldThrow();
324	<	} catch (RejectedExecutionException success) {
325	<	} catch (SecurityException ok) {
318	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
319	>	try (PoolCleaner cleaner = cleaner(p)) {
320	>	try {
321	>	p.shutdown();
322	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
323	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
324	>	shouldThrow();
325	>	} catch (RejectedExecutionException success) {
326	>	} catch (SecurityException ok) {}
327		}
285	–	joinPool(se);
328		}
329
330		/**
#	Line 290 | Line 332 | public class ScheduledExecutorTest exten
332		* thread becomes active
333		*/
334		public void testGetActiveCount() throws InterruptedException {
293	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
294	–	final CountDownLatch threadStarted = new CountDownLatch(1);
335		final CountDownLatch done = new CountDownLatch(1);
336	<	try {
336	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
337	>	try (PoolCleaner cleaner = cleaner(p, done)) {
338	>	final CountDownLatch threadStarted = new CountDownLatch(1);
339		assertEquals(0, p.getActiveCount());
340		p.execute(new CheckedRunnable() {
341		public void realRun() throws InterruptedException {
342		threadStarted.countDown();
343		assertEquals(1, p.getActiveCount());
344	<	done.await();
344	>	await(done);
345		}});
346	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
346	>	await(threadStarted);
347		assertEquals(1, p.getActiveCount());
306	–	} finally {
307	–	done.countDown();
308	–	joinPool(p);
348		}
349		}
350
#	Line 315 | Line 354 | public class ScheduledExecutorTest exten
354		*/
355		public void testGetCompletedTaskCount() throws InterruptedException {
356		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
357	<	final CountDownLatch threadStarted = new CountDownLatch(1);
358	<	final CountDownLatch threadProceed = new CountDownLatch(1);
359	<	final CountDownLatch threadDone = new CountDownLatch(1);
360	<	try {
357	>	try (PoolCleaner cleaner = cleaner(p)) {
358	>	final CountDownLatch threadStarted = new CountDownLatch(1);
359	>	final CountDownLatch threadProceed = new CountDownLatch(1);
360	>	final CountDownLatch threadDone = new CountDownLatch(1);
361		assertEquals(0, p.getCompletedTaskCount());
362		p.execute(new CheckedRunnable() {
363		public void realRun() throws InterruptedException {
364		threadStarted.countDown();
365		assertEquals(0, p.getCompletedTaskCount());
366	<	threadProceed.await();
366	>	await(threadProceed);
367		threadDone.countDown();
368		}});
369	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
369	>	await(threadStarted);
370		assertEquals(0, p.getCompletedTaskCount());
371		threadProceed.countDown();
372	<	threadDone.await();
373	<	delay(SHORT_DELAY_MS);
374	<	assertEquals(1, p.getCompletedTaskCount());
375	<	} finally {
376	<	joinPool(p);
372	>	await(threadDone);
373	>	long startTime = System.nanoTime();
374	>	while (p.getCompletedTaskCount() != 1) {
375	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
376	>	fail("timed out");
377	>	Thread.yield();
378	>	}
379		}
380		}
381
#	Line 343 | Line 384 | public class ScheduledExecutorTest exten
384		*/
385		public void testGetCorePoolSize() throws InterruptedException {
386		ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
387	<	assertEquals(1, p.getCorePoolSize());
388	<	joinPool(p);
387	>	try (PoolCleaner cleaner = cleaner(p)) {
388	>	assertEquals(1, p.getCorePoolSize());
389	>	}
390		}
391
392		/**
#	Line 356 | Line 398 | public class ScheduledExecutorTest exten
398		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
399		final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
400		final CountDownLatch done = new CountDownLatch(1);
401	<	try {
401	>	try (PoolCleaner cleaner = cleaner(p, done)) {
402		assertEquals(0, p.getLargestPoolSize());
403		for (int i = 0; i < THREADS; i++)
404		p.execute(new CheckedRunnable() {
405		public void realRun() throws InterruptedException {
406		threadsStarted.countDown();
407	<	done.await();
407	>	await(done);
408		assertEquals(THREADS, p.getLargestPoolSize());
409		}});
410	<	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
369	<	assertEquals(THREADS, p.getLargestPoolSize());
370	<	} finally {
371	<	done.countDown();
372	<	joinPool(p);
410	>	await(threadsStarted);
411		assertEquals(THREADS, p.getLargestPoolSize());
412		}
413	+	assertEquals(THREADS, p.getLargestPoolSize());
414		}
415
416		/**
#	Line 382 | Line 421 | public class ScheduledExecutorTest exten
421		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
422		final CountDownLatch threadStarted = new CountDownLatch(1);
423		final CountDownLatch done = new CountDownLatch(1);
424	<	try {
424	>	try (PoolCleaner cleaner = cleaner(p, done)) {
425		assertEquals(0, p.getPoolSize());
426		p.execute(new CheckedRunnable() {
427		public void realRun() throws InterruptedException {
428		threadStarted.countDown();
429		assertEquals(1, p.getPoolSize());
430	<	done.await();
430	>	await(done);
431		}});
432	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
432	>	await(threadStarted);
433		assertEquals(1, p.getPoolSize());
395	–	} finally {
396	–	done.countDown();
397	–	joinPool(p);
434		}
435		}
436
#	Line 403 | Line 439 | public class ScheduledExecutorTest exten
439		* submitted
440		*/
441		public void testGetTaskCount() throws InterruptedException {
442	<	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
407	<	final CountDownLatch threadStarted = new CountDownLatch(1);
442	>	final int TASKS = 3;
443		final CountDownLatch done = new CountDownLatch(1);
444	<	final int TASKS = 5;
445	<	try {
444	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
445	>	try (PoolCleaner cleaner = cleaner(p, done)) {
446	>	final CountDownLatch threadStarted = new CountDownLatch(1);
447		assertEquals(0, p.getTaskCount());
448	<	for (int i = 0; i < TASKS; i++)
448	>	assertEquals(0, p.getCompletedTaskCount());
449	>	p.execute(new CheckedRunnable() {
450	>	public void realRun() throws InterruptedException {
451	>	threadStarted.countDown();
452	>	await(done);
453	>	}});
454	>	await(threadStarted);
455	>	assertEquals(1, p.getTaskCount());
456	>	assertEquals(0, p.getCompletedTaskCount());
457	>	for (int i = 0; i < TASKS; i++) {
458	>	assertEquals(1 + i, p.getTaskCount());
459		p.execute(new CheckedRunnable() {
460		public void realRun() throws InterruptedException {
461		threadStarted.countDown();
462	<	done.await();
462	>	assertEquals(1 + TASKS, p.getTaskCount());
463	>	await(done);
464		}});
465	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
466	<	assertEquals(TASKS, p.getTaskCount());
467	<	} finally {
421	<	done.countDown();
422	<	joinPool(p);
465	>	}
466	>	assertEquals(1 + TASKS, p.getTaskCount());
467	>	assertEquals(0, p.getCompletedTaskCount());
468		}
469	+	assertEquals(1 + TASKS, p.getTaskCount());
470	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
471		}
472
473		/**
474		* getThreadFactory returns factory in constructor if not set
475		*/
476		public void testGetThreadFactory() throws InterruptedException {
477	<	ThreadFactory tf = new SimpleThreadFactory();
478	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
479	<	assertSame(tf, p.getThreadFactory());
480	<	joinPool(p);
477	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
478	>	final ScheduledThreadPoolExecutor p =
479	>	new ScheduledThreadPoolExecutor(1, threadFactory);
480	>	try (PoolCleaner cleaner = cleaner(p)) {
481	>	assertSame(threadFactory, p.getThreadFactory());
482	>	}
483		}
484
485		/**
486		* setThreadFactory sets the thread factory returned by getThreadFactory
487		*/
488		public void testSetThreadFactory() throws InterruptedException {
489	<	ThreadFactory tf = new SimpleThreadFactory();
490	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
491	<	p.setThreadFactory(tf);
492	<	assertSame(tf, p.getThreadFactory());
493	<	joinPool(p);
489	>	ThreadFactory threadFactory = new SimpleThreadFactory();
490	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
491	>	try (PoolCleaner cleaner = cleaner(p)) {
492	>	p.setThreadFactory(threadFactory);
493	>	assertSame(threadFactory, p.getThreadFactory());
494	>	}
495		}
496
497		/**
498		* setThreadFactory(null) throws NPE
499		*/
500		public void testSetThreadFactoryNull() throws InterruptedException {
501	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
502	<	try {
503	<	p.setThreadFactory(null);
504	<	shouldThrow();
505	<	} catch (NullPointerException success) {
506	<	} finally {
457	<	joinPool(p);
501	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
502	>	try (PoolCleaner cleaner = cleaner(p)) {
503	>	try {
504	>	p.setThreadFactory(null);
505	>	shouldThrow();
506	>	} catch (NullPointerException success) {}
507		}
508		}
509
510		/**
511	<	* isShutDown is false before shutdown, true after
511	>	* The default rejected execution handler is AbortPolicy.
512		*/
513	<	public void testIsShutdown() {
514	<
515	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
516	<	try {
517	<	assertFalse(p.isShutdown());
469	<	}
470	<	finally {
471	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
513	>	public void testDefaultRejectedExecutionHandler() {
514	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
515	>	try (PoolCleaner cleaner = cleaner(p)) {
516	>	assertTrue(p.getRejectedExecutionHandler()
517	>	instanceof ThreadPoolExecutor.AbortPolicy);
518		}
473	–	assertTrue(p.isShutdown());
519		}
520
521	+	/**
522	+	* isShutdown is false before shutdown, true after
523	+	*/
524	+	public void testIsShutdown() {
525	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
526	+	assertFalse(p.isShutdown());
527	+	try (PoolCleaner cleaner = cleaner(p)) {
528	+	try {
529	+	p.shutdown();
530	+	assertTrue(p.isShutdown());
531	+	} catch (SecurityException ok) {}
532	+	}
533	+	}
534
535		/**
536		* isTerminated is false before termination, true after
537		*/
538		public void testIsTerminated() throws InterruptedException {
539		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
540	<	final CountDownLatch threadStarted = new CountDownLatch(1);
541	<	final CountDownLatch done = new CountDownLatch(1);
542	<	assertFalse(p.isTerminated());
543	<	try {
540	>	try (PoolCleaner cleaner = cleaner(p)) {
541	>	final CountDownLatch threadStarted = new CountDownLatch(1);
542	>	final CountDownLatch done = new CountDownLatch(1);
543	>	assertFalse(p.isTerminated());
544		p.execute(new CheckedRunnable() {
545		public void realRun() throws InterruptedException {
546		assertFalse(p.isTerminated());
547		threadStarted.countDown();
548	<	done.await();
548	>	await(done);
549		}});
550	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
550	>	await(threadStarted);
551		assertFalse(p.isTerminating());
552		done.countDown();
495	–	} finally {
553		try { p.shutdown(); } catch (SecurityException ok) { return; }
554	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
555	+	assertTrue(p.isTerminated());
556		}
498	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
499	–	assertTrue(p.isTerminated());
557		}
558
559		/**
#	Line 506 | Line 563 | public class ScheduledExecutorTest exten
563		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
564		final CountDownLatch threadStarted = new CountDownLatch(1);
565		final CountDownLatch done = new CountDownLatch(1);
566	<	try {
566	>	try (PoolCleaner cleaner = cleaner(p)) {
567		assertFalse(p.isTerminating());
568		p.execute(new CheckedRunnable() {
569		public void realRun() throws InterruptedException {
570		assertFalse(p.isTerminating());
571		threadStarted.countDown();
572	<	done.await();
572	>	await(done);
573		}});
574	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
574	>	await(threadStarted);
575		assertFalse(p.isTerminating());
576		done.countDown();
520	–	} finally {
577		try { p.shutdown(); } catch (SecurityException ok) { return; }
578	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
579	+	assertTrue(p.isTerminated());
580	+	assertFalse(p.isTerminating());
581		}
523	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
524	–	assertTrue(p.isTerminated());
525	–	assertFalse(p.isTerminating());
582		}
583
584		/**
585		* getQueue returns the work queue, which contains queued tasks
586		*/
587		public void testGetQueue() throws InterruptedException {
532	–	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
533	–	final CountDownLatch threadStarted = new CountDownLatch(1);
588		final CountDownLatch done = new CountDownLatch(1);
589	<	try {
589	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
590	>	try (PoolCleaner cleaner = cleaner(p, done)) {
591	>	final CountDownLatch threadStarted = new CountDownLatch(1);
592		ScheduledFuture[] tasks = new ScheduledFuture[5];
593		for (int i = 0; i < tasks.length; i++) {
594		Runnable r = new CheckedRunnable() {
595		public void realRun() throws InterruptedException {
596		threadStarted.countDown();
597	<	done.await();
597	>	await(done);
598		}};
599		tasks[i] = p.schedule(r, 1, MILLISECONDS);
600		}
601	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
601	>	await(threadStarted);
602		BlockingQueue<Runnable> q = p.getQueue();
603		assertTrue(q.contains(tasks[tasks.length - 1]));
604		assertFalse(q.contains(tasks[0]));
549	–	} finally {
550	–	done.countDown();
551	–	joinPool(p);
605		}
606		}
607
#	Line 556 | Line 609 | public class ScheduledExecutorTest exten
609		* remove(task) removes queued task, and fails to remove active task
610		*/
611		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);
612		final CountDownLatch done = new CountDownLatch(1);
613	<	try {
613	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
614	>	try (PoolCleaner cleaner = cleaner(p, done)) {
615	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
616	>	final CountDownLatch threadStarted = new CountDownLatch(1);
617		for (int i = 0; i < tasks.length; i++) {
618		Runnable r = new CheckedRunnable() {
619		public void realRun() throws InterruptedException {
620		threadStarted.countDown();
621	<	done.await();
621	>	await(done);
622		}};
623		tasks[i] = p.schedule(r, 1, MILLISECONDS);
624		}
625	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
625	>	await(threadStarted);
626		BlockingQueue<Runnable> q = p.getQueue();
627		assertFalse(p.remove((Runnable)tasks[0]));
628		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 580 | Line 633 | public class ScheduledExecutorTest exten
633		assertTrue(q.contains((Runnable)tasks[3]));
634		assertTrue(p.remove((Runnable)tasks[3]));
635		assertFalse(q.contains((Runnable)tasks[3]));
583	–	} finally {
584	–	done.countDown();
585	–	joinPool(p);
636		}
637		}
638
639		/**
640	<	* purge removes cancelled tasks from the queue
640	>	* purge eventually removes cancelled tasks from the queue
641		*/
642		public void testPurge() throws InterruptedException {
643	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
644	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
645	<	for (int i = 0; i < tasks.length; i++) {
646	<	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
647	<	}
648	<	try {
643	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
644	>	final Runnable releaser = new Runnable() { public void run() {
645	>	for (ScheduledFuture task : tasks)
646	>	if (task != null) task.cancel(true); }};
647	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
648	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
649	>	for (int i = 0; i < tasks.length; i++)
650	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
651	>	LONG_DELAY_MS, MILLISECONDS);
652		int max = tasks.length;
653		if (tasks[4].cancel(true)) --max;
654		if (tasks[3].cancel(true)) --max;
655		// There must eventually be an interference-free point at
656		// which purge will not fail. (At worst, when queue is empty.)
657	<	int k;
658	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
657	>	long startTime = System.nanoTime();
658	>	do {
659		p.purge();
660		long count = p.getTaskCount();
661	<	if (count >= 0 && count <= max)
662	<	break;
663	<	delay(1);
664	<	}
612	<	assertTrue(k < SMALL_DELAY_MS);
613	<	} finally {
614	<	for (ScheduledFuture task : tasks)
615	<	task.cancel(true);
616	<	joinPool(p);
661	>	if (count == max)
662	>	return;
663	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
664	>	fail("Purge failed to remove cancelled tasks");
665		}
666		}
667
668		/**
669	<	* shutDownNow returns a list containing tasks that were not run
670	<	*/
671	<	public void testShutDownNow() throws InterruptedException {
672	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
673	<	for (int i = 0; i < 5; i++)
674	<	p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
675	<	List l;
669	>	* shutdownNow returns a list containing tasks that were not run,
670	>	* and those tasks are drained from the queue
671	>	*/
672	>	public void testShutdownNow() throws InterruptedException {
673	>	final int poolSize = 2;
674	>	final int count = 5;
675	>	final AtomicInteger ran = new AtomicInteger(0);
676	>	final ScheduledThreadPoolExecutor p =
677	>	new ScheduledThreadPoolExecutor(poolSize);
678	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
679	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
680	>	threadsStarted.countDown();
681	>	try {
682	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
683	>	} catch (InterruptedException success) {}
684	>	ran.getAndIncrement();
685	>	}};
686	>	for (int i = 0; i < count; i++)
687	>	p.execute(waiter);
688	>	await(threadsStarted);
689	>	assertEquals(poolSize, p.getActiveCount());
690	>	assertEquals(0, p.getCompletedTaskCount());
691	>	final List<Runnable> queuedTasks;
692		try {
693	<	l = p.shutdownNow();
693	>	queuedTasks = p.shutdownNow();
694		} catch (SecurityException ok) {
695	<	return;
695	>	return; // Allowed in case test doesn't have privs
696		}
697		assertTrue(p.isShutdown());
698	<	assertTrue(l.size() > 0 && l.size() <= 5);
699	<	joinPool(p);
698	>	assertTrue(p.getQueue().isEmpty());
699	>	assertEquals(count - poolSize, queuedTasks.size());
700	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
701	>	assertTrue(p.isTerminated());
702	>	assertEquals(poolSize, ran.get());
703	>	assertEquals(poolSize, p.getCompletedTaskCount());
704		}
705
706		/**
707	<	* In default setting, shutdown cancels periodic but not delayed
708	<	* tasks at shutdown
707	>	* shutdownNow returns a list containing tasks that were not run,
708	>	* and those tasks are drained from the queue
709		*/
710	<	public void testShutDown1() throws InterruptedException {
711	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
712	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
713	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
714	<
715	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
716	<	for (int i = 0; i < tasks.length; i++)
717	<	tasks[i] = p.schedule(new NoOpRunnable(),
718	<	SHORT_DELAY_MS, MILLISECONDS);
719	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
720	<	BlockingQueue<Runnable> q = p.getQueue();
721	<	for (ScheduledFuture task : tasks) {
722	<	assertFalse(task.isDone());
723	<	assertFalse(task.isCancelled());
724	<	assertTrue(q.contains(task));
710	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
711	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
712	>	List<ScheduledFuture> tasks = new ArrayList<>();
713	>	for (int i = 0; i < 3; i++) {
714	>	Runnable r = new NoOpRunnable();
715	>	tasks.add(p.schedule(r, 9, SECONDS));
716	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
717	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
718	>	}
719	>	if (testImplementationDetails)
720	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
721	>	final List<Runnable> queuedTasks;
722	>	try {
723	>	queuedTasks = p.shutdownNow();
724	>	} catch (SecurityException ok) {
725	>	return; // Allowed in case test doesn't have privs
726		}
727		assertTrue(p.isShutdown());
728	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
729	<	assertTrue(p.isTerminated());
728	>	assertTrue(p.getQueue().isEmpty());
729	>	if (testImplementationDetails)
730	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
731	>	assertEquals(tasks.size(), queuedTasks.size());
732		for (ScheduledFuture task : tasks) {
733	<	assertTrue(task.isDone());
733	>	assertFalse(task.isDone());
734		assertFalse(task.isCancelled());
735		}
736	<	}
666	<
667	<
668	<	/**
669	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
670	<	* delayed tasks are cancelled at shutdown
671	<	*/
672	<	public void testShutDown2() throws InterruptedException {
673	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
674	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
675	<	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
676	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
677	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
678	<	for (int i = 0; i < tasks.length; i++)
679	<	tasks[i] = p.schedule(new NoOpRunnable(),
680	<	SHORT_DELAY_MS, MILLISECONDS);
681	<	BlockingQueue q = p.getQueue();
682	<	assertEquals(tasks.length, q.size());
683	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
684	<	assertTrue(p.isShutdown());
685	<	assertTrue(q.isEmpty());
686	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
736	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
737		assertTrue(p.isTerminated());
688	–	for (ScheduledFuture task : tasks) {
689	–	assertTrue(task.isDone());
690	–	assertTrue(task.isCancelled());
691	–	}
738		}
739
740		/**
741	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
742	<	* periodic tasks are cancelled at shutdown
743	<	*/
744	<	public void testShutDown3() throws InterruptedException {
745	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
746	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
747	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
748	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
749	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
750	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
751	<	ScheduledFuture task =
752	<	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
741	>	* By default, periodic tasks are cancelled at shutdown.
742	>	* By default, delayed tasks keep running after shutdown.
743	>	* Check that changing the default values work:
744	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
745	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
746	>	*/
747	>	public void testShutdown_cancellation() throws Exception {
748	>	final int poolSize = 2;
749	>	final ScheduledThreadPoolExecutor p
750	>	= new ScheduledThreadPoolExecutor(poolSize);
751	>	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
752	>	final boolean effectiveDelayedPolicy;
753	>	final boolean effectivePeriodicPolicy;
754	>	final boolean effectiveRemovePolicy;
755	>
756	>	if (rnd.nextBoolean())
757	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(
758	>	effectiveDelayedPolicy = rnd.nextBoolean());
759	>	else
760	>	effectiveDelayedPolicy = true;
761	>	assertEquals(effectiveDelayedPolicy,
762	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
763	>
764	>	if (rnd.nextBoolean())
765	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(
766	>	effectivePeriodicPolicy = rnd.nextBoolean());
767	>	else
768	>	effectivePeriodicPolicy = false;
769	>	assertEquals(effectivePeriodicPolicy,
770	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
771	>
772	>	if (rnd.nextBoolean())
773	>	p.setRemoveOnCancelPolicy(
774	>	effectiveRemovePolicy = rnd.nextBoolean());
775	>	else
776	>	effectiveRemovePolicy = false;
777	>	assertEquals(effectiveRemovePolicy,
778	>	p.getRemoveOnCancelPolicy());
779	>
780	>	// Strategy: Wedge the pool with poolSize "blocker" threads
781	>	final AtomicInteger ran = new AtomicInteger(0);
782	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
783	>	final CountDownLatch unblock = new CountDownLatch(1);
784	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
785	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
786	>	Runnable task = new CheckedRunnable() { public void realRun()
787	>	throws InterruptedException {
788	>	poolBlocked.countDown();
789	>	await(unblock);
790	>	ran.getAndIncrement();
791	>	}};
792	>	List<Future<?>> blockers = new ArrayList<>();
793	>	List<Future<?>> periodics = new ArrayList<>();
794	>	List<Future<?>> delayeds = new ArrayList<>();
795	>	for (int i = 0; i < poolSize; i++)
796	>	blockers.add(p.submit(task));
797	>	await(poolBlocked);
798	>
799	>	periodics.add(p.scheduleAtFixedRate(
800	>	countDowner(periodicLatch1), 1, 1, MILLISECONDS));
801	>	periodics.add(p.scheduleWithFixedDelay(
802	>	countDowner(periodicLatch2), 1, 1, MILLISECONDS));
803	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
804	>
805	>	assertTrue(p.getQueue().containsAll(periodics));
806	>	assertTrue(p.getQueue().containsAll(delayeds));
807		try { p.shutdown(); } catch (SecurityException ok) { return; }
808		assertTrue(p.isShutdown());
809	<	BlockingQueue q = p.getQueue();
810	<	assertTrue(p.getQueue().isEmpty());
811	<	assertTrue(task.isDone());
812	<	assertTrue(task.isCancelled());
813	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
809	>	assertFalse(p.isTerminated());
810	>	for (Future<?> periodic : periodics) {
811	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
812	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
813	>	}
814	>	for (Future<?> delayed : delayeds) {
815	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
816	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
817	>	}
818	>	if (testImplementationDetails) {
819	>	assertEquals(effectivePeriodicPolicy,
820	>	p.getQueue().containsAll(periodics));
821	>	assertEquals(effectiveDelayedPolicy,
822	>	p.getQueue().containsAll(delayeds));
823	>	}
824	>	unblock.countDown();    // Release all pool threads
825	>
826	>	if (effectiveDelayedPolicy)
827	>	for (Future<?> delayed : delayeds) assertNull(delayed.get());
828	>	if (effectivePeriodicPolicy) {
829	>	await(periodicLatch1);
830	>	await(periodicLatch2);
831	>	for (Future<?> periodic : periodics) {
832	>	assertTrue(periodic.cancel(false));
833	>	assertTrue(periodic.isCancelled());
834	>	assertTrue(periodic.isDone());
835	>	}
836	>	}
837	>	for (Future<?> blocker : blockers) assertNull(blocker.get());
838	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
839		assertTrue(p.isTerminated());
715	–	}
840
841	<	/**
842	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
843	<	* periodic tasks are not cancelled at shutdown
720	<	*/
721	<	public void testShutDown4() throws InterruptedException {
722	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
723	<	final CountDownLatch counter = new CountDownLatch(2);
724	<	try {
725	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
726	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
727	<	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
728	<	final Runnable r = new CheckedRunnable() {
729	<	public void realRun() {
730	<	counter.countDown();
731	<	}};
732	<	ScheduledFuture task =
733	<	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
734	<	assertFalse(task.isDone());
735	<	assertFalse(task.isCancelled());
736	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
737	<	assertFalse(task.isCancelled());
738	<	assertFalse(p.isTerminated());
739	<	assertTrue(p.isShutdown());
740	<	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
741	<	assertFalse(task.isCancelled());
742	<	assertTrue(task.cancel(false));
743	<	assertTrue(task.isDone());
744	<	assertTrue(task.isCancelled());
745	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
746	<	assertTrue(p.isTerminated());
747	<	}
748	<	finally {
749	<	joinPool(p);
841	>	for (Future<?> future : delayeds) {
842	>	assertTrue(effectiveDelayedPolicy ^ future.isCancelled());
843	>	assertTrue(future.isDone());
844		}
845	+	for (Future<?> future : periodics)
846	+	assertTrue(future.isCancelled());
847	+	for (Future<?> future : blockers)
848	+	assertNull(future.get());
849	+	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
850		}
851
852		/**
853		* completed submit of callable returns result
854		*/
855		public void testSubmitCallable() throws Exception {
856	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
857	<	try {
856	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
857	>	try (PoolCleaner cleaner = cleaner(e)) {
858		Future<String> future = e.submit(new StringTask());
859		String result = future.get();
860		assertSame(TEST_STRING, result);
762	–	} finally {
763	–	joinPool(e);
861		}
862		}
863
#	Line 768 | Line 865 | public class ScheduledExecutorTest exten
865		* completed submit of runnable returns successfully
866		*/
867		public void testSubmitRunnable() throws Exception {
868	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
869	<	try {
868	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
869	>	try (PoolCleaner cleaner = cleaner(e)) {
870		Future<?> future = e.submit(new NoOpRunnable());
871		future.get();
872		assertTrue(future.isDone());
776	–	} finally {
777	–	joinPool(e);
873		}
874		}
875
#	Line 782 | Line 877 | public class ScheduledExecutorTest exten
877		* completed submit of (runnable, result) returns result
878		*/
879		public void testSubmitRunnable2() throws Exception {
880	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
881	<	try {
880	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
881	>	try (PoolCleaner cleaner = cleaner(e)) {
882		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
883		String result = future.get();
884		assertSame(TEST_STRING, result);
790	–	} finally {
791	–	joinPool(e);
885		}
886		}
887
#	Line 796 | Line 889 | public class ScheduledExecutorTest exten
889		* invokeAny(null) throws NPE
890		*/
891		public void testInvokeAny1() throws Exception {
892	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
893	<	try {
894	<	e.invokeAny(null);
895	<	shouldThrow();
896	<	} catch (NullPointerException success) {
897	<	} finally {
805	<	joinPool(e);
892	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
893	>	try (PoolCleaner cleaner = cleaner(e)) {
894	>	try {
895	>	e.invokeAny(null);
896	>	shouldThrow();
897	>	} catch (NullPointerException success) {}
898		}
899		}
900
#	Line 810 | Line 902 | public class ScheduledExecutorTest exten
902		* invokeAny(empty collection) throws IAE
903		*/
904		public void testInvokeAny2() throws Exception {
905	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
906	<	try {
907	<	e.invokeAny(new ArrayList<Callable<String>>());
908	<	shouldThrow();
909	<	} catch (IllegalArgumentException success) {
910	<	} finally {
819	<	joinPool(e);
905	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
906	>	try (PoolCleaner cleaner = cleaner(e)) {
907	>	try {
908	>	e.invokeAny(new ArrayList<Callable<String>>());
909	>	shouldThrow();
910	>	} catch (IllegalArgumentException success) {}
911		}
912		}
913
#	Line 825 | Line 916 | public class ScheduledExecutorTest exten
916		*/
917		public void testInvokeAny3() throws Exception {
918		CountDownLatch latch = new CountDownLatch(1);
919	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
920	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
921	<	l.add(latchAwaitingStringTask(latch));
922	<	l.add(null);
923	<	try {
924	<	e.invokeAny(l);
925	<	shouldThrow();
926	<	} catch (NullPointerException success) {
927	<	} finally {
919	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
920	>	try (PoolCleaner cleaner = cleaner(e)) {
921	>	List<Callable<String>> l = new ArrayList<>();
922	>	l.add(latchAwaitingStringTask(latch));
923	>	l.add(null);
924	>	try {
925	>	e.invokeAny(l);
926	>	shouldThrow();
927	>	} catch (NullPointerException success) {}
928		latch.countDown();
838	–	joinPool(e);
929		}
930		}
931
#	Line 843 | Line 933 | public class ScheduledExecutorTest exten
933		* invokeAny(c) throws ExecutionException if no task completes
934		*/
935		public void testInvokeAny4() throws Exception {
936	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
937	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
938	<	l.add(new NPETask());
939	<	try {
940	<	e.invokeAny(l);
941	<	shouldThrow();
942	<	} catch (ExecutionException success) {
943	<	assertTrue(success.getCause() instanceof NullPointerException);
944	<	} finally {
945	<	joinPool(e);
936	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
937	>	try (PoolCleaner cleaner = cleaner(e)) {
938	>	List<Callable<String>> l = new ArrayList<>();
939	>	l.add(new NPETask());
940	>	try {
941	>	e.invokeAny(l);
942	>	shouldThrow();
943	>	} catch (ExecutionException success) {
944	>	assertTrue(success.getCause() instanceof NullPointerException);
945	>	}
946		}
947		}
948
#	Line 860 | Line 950 | public class ScheduledExecutorTest exten
950		* invokeAny(c) returns result of some task
951		*/
952		public void testInvokeAny5() throws Exception {
953	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
954	<	try {
955	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
953	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
954	>	try (PoolCleaner cleaner = cleaner(e)) {
955	>	List<Callable<String>> l = new ArrayList<>();
956		l.add(new StringTask());
957		l.add(new StringTask());
958		String result = e.invokeAny(l);
959		assertSame(TEST_STRING, result);
870	–	} finally {
871	–	joinPool(e);
960		}
961		}
962
#	Line 876 | Line 964 | public class ScheduledExecutorTest exten
964		* invokeAll(null) throws NPE
965		*/
966		public void testInvokeAll1() throws Exception {
967	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
968	<	try {
969	<	e.invokeAll(null);
970	<	shouldThrow();
971	<	} catch (NullPointerException success) {
972	<	} finally {
885	<	joinPool(e);
967	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
968	>	try (PoolCleaner cleaner = cleaner(e)) {
969	>	try {
970	>	e.invokeAll(null);
971	>	shouldThrow();
972	>	} catch (NullPointerException success) {}
973		}
974		}
975
#	Line 890 | Line 977 | public class ScheduledExecutorTest exten
977		* invokeAll(empty collection) returns empty collection
978		*/
979		public void testInvokeAll2() throws Exception {
980	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
981	<	try {
980	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
981	>	try (PoolCleaner cleaner = cleaner(e)) {
982		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
983		assertTrue(r.isEmpty());
897	–	} finally {
898	–	joinPool(e);
984		}
985		}
986
#	Line 903 | Line 988 | public class ScheduledExecutorTest exten
988		* invokeAll(c) throws NPE if c has null elements
989		*/
990		public void testInvokeAll3() throws Exception {
991	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
992	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
993	<	l.add(new StringTask());
994	<	l.add(null);
995	<	try {
996	<	e.invokeAll(l);
997	<	shouldThrow();
998	<	} catch (NullPointerException success) {
999	<	} finally {
915	<	joinPool(e);
991	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
992	>	try (PoolCleaner cleaner = cleaner(e)) {
993	>	List<Callable<String>> l = new ArrayList<>();
994	>	l.add(new StringTask());
995	>	l.add(null);
996	>	try {
997	>	e.invokeAll(l);
998	>	shouldThrow();
999	>	} catch (NullPointerException success) {}
1000		}
1001		}
1002
#	Line 920 | Line 1004 | public class ScheduledExecutorTest exten
1004		* get of invokeAll(c) throws exception on failed task
1005		*/
1006		public void testInvokeAll4() throws Exception {
1007	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1008	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1009	<	l.add(new NPETask());
1010	<	List<Future<String>> futures = e.invokeAll(l);
1011	<	assertEquals(1, futures.size());
1012	<	try {
1013	<	futures.get(0).get();
1014	<	shouldThrow();
1015	<	} catch (ExecutionException success) {
1016	<	assertTrue(success.getCause() instanceof NullPointerException);
1017	<	} finally {
1018	<	joinPool(e);
1007	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1008	>	try (PoolCleaner cleaner = cleaner(e)) {
1009	>	List<Callable<String>> l = new ArrayList<>();
1010	>	l.add(new NPETask());
1011	>	List<Future<String>> futures = e.invokeAll(l);
1012	>	assertEquals(1, futures.size());
1013	>	try {
1014	>	futures.get(0).get();
1015	>	shouldThrow();
1016	>	} catch (ExecutionException success) {
1017	>	assertTrue(success.getCause() instanceof NullPointerException);
1018	>	}
1019		}
1020		}
1021
#	Line 939 | Line 1023 | public class ScheduledExecutorTest exten
1023		* invokeAll(c) returns results of all completed tasks
1024		*/
1025		public void testInvokeAll5() throws Exception {
1026	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1027	<	try {
1028	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1026	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1027	>	try (PoolCleaner cleaner = cleaner(e)) {
1028	>	List<Callable<String>> l = new ArrayList<>();
1029		l.add(new StringTask());
1030		l.add(new StringTask());
1031		List<Future<String>> futures = e.invokeAll(l);
1032		assertEquals(2, futures.size());
1033		for (Future<String> future : futures)
1034		assertSame(TEST_STRING, future.get());
951	–	} finally {
952	–	joinPool(e);
1035		}
1036		}
1037
#	Line 957 | Line 1039 | public class ScheduledExecutorTest exten
1039		* timed invokeAny(null) throws NPE
1040		*/
1041		public void testTimedInvokeAny1() throws Exception {
1042	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1043	<	try {
1044	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1045	<	shouldThrow();
1046	<	} catch (NullPointerException success) {
1047	<	} finally {
966	<	joinPool(e);
1042	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1043	>	try (PoolCleaner cleaner = cleaner(e)) {
1044	>	try {
1045	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1046	>	shouldThrow();
1047	>	} catch (NullPointerException success) {}
1048		}
1049		}
1050
#	Line 971 | Line 1052 | public class ScheduledExecutorTest exten
1052		* timed invokeAny(,,null) throws NPE
1053		*/
1054		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1055	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1057	<	l.add(new StringTask());
1058	<	try {
1059	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1060	<	shouldThrow();
1061	<	} catch (NullPointerException success) {
1062	<	} finally {
982	<	joinPool(e);
1055	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	>	try (PoolCleaner cleaner = cleaner(e)) {
1057	>	List<Callable<String>> l = new ArrayList<>();
1058	>	l.add(new StringTask());
1059	>	try {
1060	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1061	>	shouldThrow();
1062	>	} catch (NullPointerException success) {}
1063		}
1064		}
1065
#	Line 987 | Line 1067 | public class ScheduledExecutorTest exten
1067		* timed invokeAny(empty collection) throws IAE
1068		*/
1069		public void testTimedInvokeAny2() throws Exception {
1070	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1071	<	try {
1072	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1073	<	shouldThrow();
1074	<	} catch (IllegalArgumentException success) {
1075	<	} finally {
996	<	joinPool(e);
1070	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1071	>	try (PoolCleaner cleaner = cleaner(e)) {
1072	>	try {
1073	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1074	>	shouldThrow();
1075	>	} catch (IllegalArgumentException success) {}
1076		}
1077		}
1078
#	Line 1002 | Line 1081 | public class ScheduledExecutorTest exten
1081		*/
1082		public void testTimedInvokeAny3() throws Exception {
1083		CountDownLatch latch = new CountDownLatch(1);
1084	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1085	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1086	<	l.add(latchAwaitingStringTask(latch));
1087	<	l.add(null);
1088	<	try {
1089	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1090	<	shouldThrow();
1091	<	} catch (NullPointerException success) {
1092	<	} finally {
1084	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1085	>	try (PoolCleaner cleaner = cleaner(e)) {
1086	>	List<Callable<String>> l = new ArrayList<>();
1087	>	l.add(latchAwaitingStringTask(latch));
1088	>	l.add(null);
1089	>	try {
1090	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1091	>	shouldThrow();
1092	>	} catch (NullPointerException success) {}
1093		latch.countDown();
1015	–	joinPool(e);
1094		}
1095		}
1096
#	Line 1020 | Line 1098 | public class ScheduledExecutorTest exten
1098		* timed invokeAny(c) throws ExecutionException if no task completes
1099		*/
1100		public void testTimedInvokeAny4() throws Exception {
1101	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1102	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1103	<	l.add(new NPETask());
1104	<	try {
1105	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1106	<	shouldThrow();
1107	<	} catch (ExecutionException success) {
1108	<	assertTrue(success.getCause() instanceof NullPointerException);
1109	<	} finally {
1110	<	joinPool(e);
1101	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1102	>	try (PoolCleaner cleaner = cleaner(e)) {
1103	>	long startTime = System.nanoTime();
1104	>	List<Callable<String>> l = new ArrayList<>();
1105	>	l.add(new NPETask());
1106	>	try {
1107	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1108	>	shouldThrow();
1109	>	} catch (ExecutionException success) {
1110	>	assertTrue(success.getCause() instanceof NullPointerException);
1111	>	}
1112	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1113		}
1114		}
1115
#	Line 1037 | Line 1117 | public class ScheduledExecutorTest exten
1117		* timed invokeAny(c) returns result of some task
1118		*/
1119		public void testTimedInvokeAny5() throws Exception {
1120	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1121	<	try {
1122	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1120	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1121	>	try (PoolCleaner cleaner = cleaner(e)) {
1122	>	long startTime = System.nanoTime();
1123	>	List<Callable<String>> l = new ArrayList<>();
1124		l.add(new StringTask());
1125		l.add(new StringTask());
1126	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1126	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1127		assertSame(TEST_STRING, result);
1128	<	} finally {
1048	<	joinPool(e);
1128	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1129		}
1130		}
1131
#	Line 1053 | Line 1133 | public class ScheduledExecutorTest exten
1133		* timed invokeAll(null) throws NPE
1134		*/
1135		public void testTimedInvokeAll1() throws Exception {
1136	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	<	try {
1138	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1139	<	shouldThrow();
1140	<	} catch (NullPointerException success) {
1141	<	} finally {
1062	<	joinPool(e);
1136	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	>	try (PoolCleaner cleaner = cleaner(e)) {
1138	>	try {
1139	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1140	>	shouldThrow();
1141	>	} catch (NullPointerException success) {}
1142		}
1143		}
1144
#	Line 1067 | Line 1146 | public class ScheduledExecutorTest exten
1146		* timed invokeAll(,,null) throws NPE
1147		*/
1148		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1149	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1150	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1151	<	l.add(new StringTask());
1152	<	try {
1153	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1154	<	shouldThrow();
1155	<	} catch (NullPointerException success) {
1156	<	} finally {
1078	<	joinPool(e);
1149	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1150	>	try (PoolCleaner cleaner = cleaner(e)) {
1151	>	List<Callable<String>> l = new ArrayList<>();
1152	>	l.add(new StringTask());
1153	>	try {
1154	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1155	>	shouldThrow();
1156	>	} catch (NullPointerException success) {}
1157		}
1158		}
1159
#	Line 1083 | Line 1161 | public class ScheduledExecutorTest exten
1161		* timed invokeAll(empty collection) returns empty collection
1162		*/
1163		public void testTimedInvokeAll2() throws Exception {
1164	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1165	<	try {
1166	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1164	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1165	>	try (PoolCleaner cleaner = cleaner(e)) {
1166	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1167	>	MEDIUM_DELAY_MS, MILLISECONDS);
1168		assertTrue(r.isEmpty());
1090	–	} finally {
1091	–	joinPool(e);
1169		}
1170		}
1171
#	Line 1096 | Line 1173 | public class ScheduledExecutorTest exten
1173		* timed invokeAll(c) throws NPE if c has null elements
1174		*/
1175		public void testTimedInvokeAll3() throws Exception {
1176	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1177	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1178	<	l.add(new StringTask());
1179	<	l.add(null);
1180	<	try {
1181	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1182	<	shouldThrow();
1183	<	} catch (NullPointerException success) {
1184	<	} finally {
1108	<	joinPool(e);
1176	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1177	>	try (PoolCleaner cleaner = cleaner(e)) {
1178	>	List<Callable<String>> l = new ArrayList<>();
1179	>	l.add(new StringTask());
1180	>	l.add(null);
1181	>	try {
1182	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1183	>	shouldThrow();
1184	>	} catch (NullPointerException success) {}
1185		}
1186		}
1187
#	Line 1113 | Line 1189 | public class ScheduledExecutorTest exten
1189		* get of element of invokeAll(c) throws exception on failed task
1190		*/
1191		public void testTimedInvokeAll4() throws Exception {
1192	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1193	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1194	<	l.add(new NPETask());
1195	<	List<Future<String>> futures =
1196	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1197	<	assertEquals(1, futures.size());
1198	<	try {
1199	<	futures.get(0).get();
1200	<	shouldThrow();
1201	<	} catch (ExecutionException success) {
1202	<	assertTrue(success.getCause() instanceof NullPointerException);
1203	<	} finally {
1204	<	joinPool(e);
1192	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1193	>	try (PoolCleaner cleaner = cleaner(e)) {
1194	>	List<Callable<String>> l = new ArrayList<>();
1195	>	l.add(new NPETask());
1196	>	List<Future<String>> futures =
1197	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1198	>	assertEquals(1, futures.size());
1199	>	try {
1200	>	futures.get(0).get();
1201	>	shouldThrow();
1202	>	} catch (ExecutionException success) {
1203	>	assertTrue(success.getCause() instanceof NullPointerException);
1204	>	}
1205		}
1206		}
1207
#	Line 1133 | Line 1209 | public class ScheduledExecutorTest exten
1209		* timed invokeAll(c) returns results of all completed tasks
1210		*/
1211		public void testTimedInvokeAll5() throws Exception {
1212	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1213	<	try {
1214	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1212	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1213	>	try (PoolCleaner cleaner = cleaner(e)) {
1214	>	List<Callable<String>> l = new ArrayList<>();
1215		l.add(new StringTask());
1216		l.add(new StringTask());
1217		List<Future<String>> futures =
1218	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1218	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1219		assertEquals(2, futures.size());
1220		for (Future<String> future : futures)
1221		assertSame(TEST_STRING, future.get());
1146	–	} finally {
1147	–	joinPool(e);
1222		}
1223		}
1224
#	Line 1152 | Line 1226 | public class ScheduledExecutorTest exten
1226		* timed invokeAll(c) cancels tasks not completed by timeout
1227		*/
1228		public void testTimedInvokeAll6() throws Exception {
1229	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1230	<	try {
1231	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1232	<	l.add(new StringTask());
1233	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1234	<	l.add(new StringTask());
1235	<	List<Future<String>> futures =
1236	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1237	<	assertEquals(3, futures.size());
1238	<	Iterator<Future<String>> it = futures.iterator();
1239	<	Future<String> f1 = it.next();
1240	<	Future<String> f2 = it.next();
1241	<	Future<String> f3 = it.next();
1242	<	assertTrue(f1.isDone());
1243	<	assertTrue(f2.isDone());
1244	<	assertTrue(f3.isDone());
1245	<	assertFalse(f1.isCancelled());
1246	<	assertTrue(f2.isCancelled());
1247	<	} finally {
1248	<	joinPool(e);
1229	>	for (long timeout = timeoutMillis();;) {
1230	>	final CountDownLatch done = new CountDownLatch(1);
1231	>	final Callable<String> waiter = new CheckedCallable<String>() {
1232	>	public String realCall() {
1233	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1234	>	catch (InterruptedException ok) {}
1235	>	return "1"; }};
1236	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1237	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1238	>	List<Callable<String>> tasks = new ArrayList<>();
1239	>	tasks.add(new StringTask("0"));
1240	>	tasks.add(waiter);
1241	>	tasks.add(new StringTask("2"));
1242	>	long startTime = System.nanoTime();
1243	>	List<Future<String>> futures =
1244	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1245	>	assertEquals(tasks.size(), futures.size());
1246	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1247	>	for (Future future : futures)
1248	>	assertTrue(future.isDone());
1249	>	assertTrue(futures.get(1).isCancelled());
1250	>	try {
1251	>	assertEquals("0", futures.get(0).get());
1252	>	assertEquals("2", futures.get(2).get());
1253	>	break;
1254	>	} catch (CancellationException retryWithLongerTimeout) {
1255	>	timeout *= 2;
1256	>	if (timeout >= LONG_DELAY_MS / 2)
1257	>	fail("expected exactly one task to be cancelled");
1258	>	}
1259	>	}
1260		}
1261		}
1262
1263	+	/**
1264	+	* A fixed delay task with overflowing period should not prevent a
1265	+	* one-shot task from executing.
1266	+	* https://bugs.openjdk.java.net/browse/JDK-8051859
1267	+	*/
1268	+	public void testScheduleWithFixedDelay_overflow() throws Exception {
1269	+	final CountDownLatch delayedDone = new CountDownLatch(1);
1270	+	final CountDownLatch immediateDone = new CountDownLatch(1);
1271	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1272	+	try (PoolCleaner cleaner = cleaner(p)) {
1273	+	final Runnable immediate = new Runnable() { public void run() {
1274	+	immediateDone.countDown();
1275	+	}};
1276	+	final Runnable delayed = new Runnable() { public void run() {
1277	+	delayedDone.countDown();
1278	+	p.submit(immediate);
1279	+	}};
1280	+	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1281	+	await(delayedDone);
1282	+	await(immediateDone);
1283	+	}
1284	+	}
1285
1286		}

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