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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.47 by jsr166, Tue Sep 24 18:35:21 2013 UTC vs.
Revision 1.81 by jsr166, Wed Aug 24 22:22:39 2016 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 static java.util.concurrent.TimeUnit.NANOSECONDS;
11	+	import static java.util.concurrent.TimeUnit.SECONDS;
12	+
13	+	import java.util.ArrayList;
14	+	import java.util.HashSet;
15	+	import java.util.List;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.ExecutorService;
22	+	import java.util.concurrent.Future;
23	+	import java.util.concurrent.RejectedExecutionException;
24	+	import java.util.concurrent.ScheduledFuture;
25	+	import java.util.concurrent.ScheduledThreadPoolExecutor;
26	+	import java.util.concurrent.ThreadFactory;
27	+	import java.util.concurrent.ThreadPoolExecutor;
28	+	import java.util.concurrent.atomic.AtomicBoolean;
29		import java.util.concurrent.atomic.AtomicInteger;
30	+	import java.util.concurrent.atomic.AtomicLong;
31	+
32	+	import junit.framework.Test;
33	+	import junit.framework.TestSuite;
34
35		public class ScheduledExecutorTest extends JSR166TestCase {
36		public static void main(String[] args) {
37	<	junit.textui.TestRunner.run(suite());
37	>	main(suite(), args);
38		}
39		public static Test suite() {
40		return new TestSuite(ScheduledExecutorTest.class);
#	Line 24 | Line 44 | public class ScheduledExecutorTest exten
44		* execute successfully executes a runnable
45		*/
46		public void testExecute() throws InterruptedException {
47	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
48	<	final CountDownLatch done = new CountDownLatch(1);
49	<	final Runnable task = new CheckedRunnable() {
50	<	public void realRun() {
51	<	done.countDown();
32	<	}};
33	<	try {
47	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
48	>	try (PoolCleaner cleaner = cleaner(p)) {
49	>	final CountDownLatch done = new CountDownLatch(1);
50	>	final Runnable task = new CheckedRunnable() {
51	>	public void realRun() { done.countDown(); }};
52		p.execute(task);
53	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
36	<	} finally {
37	<	joinPool(p);
53	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
54		}
55		}
56
#	Line 42 | Line 58 | public class ScheduledExecutorTest exten
58		* delayed schedule of callable successfully executes after delay
59		*/
60		public void testSchedule1() throws Exception {
61	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
62	<	final long startTime = System.nanoTime();
63	<	final CountDownLatch done = new CountDownLatch(1);
64	<	try {
61	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
62	>	try (PoolCleaner cleaner = cleaner(p)) {
63	>	final long startTime = System.nanoTime();
64	>	final CountDownLatch done = new CountDownLatch(1);
65		Callable task = new CheckedCallable<Boolean>() {
66		public Boolean realCall() {
67		done.countDown();
#	Line 56 | Line 72 | public class ScheduledExecutorTest exten
72		assertSame(Boolean.TRUE, f.get());
73		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
74		assertTrue(done.await(0L, MILLISECONDS));
59	–	} finally {
60	–	joinPool(p);
75		}
76		}
77
#	Line 65 | Line 79 | public class ScheduledExecutorTest exten
79		* delayed schedule of runnable successfully executes after delay
80		*/
81		public void testSchedule3() throws Exception {
82	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
83	<	final long startTime = System.nanoTime();
84	<	final CountDownLatch done = new CountDownLatch(1);
85	<	try {
82	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
83	>	try (PoolCleaner cleaner = cleaner(p)) {
84	>	final long startTime = System.nanoTime();
85	>	final CountDownLatch done = new CountDownLatch(1);
86		Runnable task = new CheckedRunnable() {
87		public void realRun() {
88		done.countDown();
#	Line 78 | Line 92 | public class ScheduledExecutorTest exten
92		await(done);
93		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
94		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
81	–	} finally {
82	–	joinPool(p);
95		}
96		}
97
#	Line 87 | Line 99 | public class ScheduledExecutorTest exten
99		* scheduleAtFixedRate executes runnable after given initial delay
100		*/
101		public void testSchedule4() throws Exception {
102	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
103	<	final long startTime = System.nanoTime();
104	<	final CountDownLatch done = new CountDownLatch(1);
105	<	try {
102	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
103	>	try (PoolCleaner cleaner = cleaner(p)) {
104	>	final long startTime = System.nanoTime();
105	>	final CountDownLatch done = new CountDownLatch(1);
106		Runnable task = new CheckedRunnable() {
107		public void realRun() {
108		done.countDown();
#	Line 102 | Line 114 | public class ScheduledExecutorTest exten
114		await(done);
115		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
116		f.cancel(true);
105	–	} finally {
106	–	joinPool(p);
117		}
118		}
119
#	Line 111 | Line 121 | public class ScheduledExecutorTest exten
121		* scheduleWithFixedDelay executes runnable after given initial delay
122		*/
123		public void testSchedule5() throws Exception {
124	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
125	<	final long startTime = System.nanoTime();
126	<	final CountDownLatch done = new CountDownLatch(1);
127	<	try {
124	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
125	>	try (PoolCleaner cleaner = cleaner(p)) {
126	>	final long startTime = System.nanoTime();
127	>	final CountDownLatch done = new CountDownLatch(1);
128		Runnable task = new CheckedRunnable() {
129		public void realRun() {
130		done.countDown();
#	Line 126 | Line 136 | public class ScheduledExecutorTest exten
136		await(done);
137		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
138		f.cancel(true);
129	–	} finally {
130	–	joinPool(p);
139		}
140		}
141
#	Line 137 | Line 145 | public class ScheduledExecutorTest exten
145		}
146
147		/**
148	<	* scheduleAtFixedRate executes series of tasks at given rate
148	>	* scheduleAtFixedRate executes series of tasks at given rate.
149	>	* Eventually, it must hold that:
150	>	*   cycles - 1 <= elapsedMillis/delay < cycles
151		*/
152		public void testFixedRateSequence() throws InterruptedException {
153	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
154	<	try {
153	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
154	>	try (PoolCleaner cleaner = cleaner(p)) {
155		for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
156	<	long startTime = System.nanoTime();
157	<	int cycles = 10;
156	>	final long startTime = System.nanoTime();
157	>	final int cycles = 8;
158		final CountDownLatch done = new CountDownLatch(cycles);
159	<	CheckedRunnable task = new CheckedRunnable() {
159	>	final Runnable task = new CheckedRunnable() {
160		public void realRun() { done.countDown(); }};
161	<
152	<	ScheduledFuture h =
161	>	final ScheduledFuture periodicTask =
162		p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
163	<	done.await();
164	<	h.cancel(true);
165	<	double normalizedTime =
166	<	(double) millisElapsedSince(startTime) / delay;
167	<	if (normalizedTime >= cycles - 1 &&
168	<	normalizedTime <= cycles)
163	>	final int totalDelayMillis = (cycles - 1) * delay;
164	>	await(done, totalDelayMillis + LONG_DELAY_MS);
165	>	periodicTask.cancel(true);
166	>	final long elapsedMillis = millisElapsedSince(startTime);
167	>	assertTrue(elapsedMillis >= totalDelayMillis);
168	>	if (elapsedMillis <= cycles * delay)
169		return;
170	+	// else retry with longer delay
171		}
172	<	throw new AssertionError("unexpected execution rate");
163	<	} finally {
164	<	joinPool(p);
172	>	fail("unexpected execution rate");
173		}
174		}
175
176		/**
177	<	* scheduleWithFixedDelay executes series of tasks with given period
177	>	* scheduleWithFixedDelay executes series of tasks with given period.
178	>	* Eventually, it must hold that each task starts at least delay and at
179	>	* most 2 * delay after the termination of the previous task.
180		*/
181		public void testFixedDelaySequence() throws InterruptedException {
182	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
183	<	try {
182	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
183	>	try (PoolCleaner cleaner = cleaner(p)) {
184		for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
185	<	long startTime = System.nanoTime();
186	<	int cycles = 10;
185	>	final long startTime = System.nanoTime();
186	>	final AtomicLong previous = new AtomicLong(startTime);
187	>	final AtomicBoolean tryLongerDelay = new AtomicBoolean(false);
188	>	final int cycles = 8;
189		final CountDownLatch done = new CountDownLatch(cycles);
190	<	CheckedRunnable task = new CheckedRunnable() {
191	<	public void realRun() { done.countDown(); }};
192	<
193	<	ScheduledFuture h =
190	>	final int d = delay;
191	>	final Runnable task = new CheckedRunnable() {
192	>	public void realRun() {
193	>	long now = System.nanoTime();
194	>	long elapsedMillis
195	>	= NANOSECONDS.toMillis(now - previous.get());
196	>	if (done.getCount() == cycles) { // first execution
197	>	if (elapsedMillis >= d)
198	>	tryLongerDelay.set(true);
199	>	} else {
200	>	assertTrue(elapsedMillis >= d);
201	>	if (elapsedMillis >= 2 * d)
202	>	tryLongerDelay.set(true);
203	>	}
204	>	previous.set(now);
205	>	done.countDown();
206	>	}};
207	>	final ScheduledFuture periodicTask =
208		p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
209	<	done.await();
210	<	h.cancel(true);
211	<	double normalizedTime =
212	<	(double) millisElapsedSince(startTime) / delay;
213	<	if (normalizedTime >= cycles - 1 &&
214	<	normalizedTime <= cycles)
209	>	final int totalDelayMillis = (cycles - 1) * delay;
210	>	await(done, totalDelayMillis + cycles * LONG_DELAY_MS);
211	>	periodicTask.cancel(true);
212	>	final long elapsedMillis = millisElapsedSince(startTime);
213	>	assertTrue(elapsedMillis >= totalDelayMillis);
214	>	if (!tryLongerDelay.get())
215		return;
216	+	// else retry with longer delay
217		}
218	<	throw new AssertionError("unexpected execution rate");
192	<	} finally {
193	<	joinPool(p);
218	>	fail("unexpected execution rate");
219		}
220		}
221
#	Line 198 | Line 223 | public class ScheduledExecutorTest exten
223		* execute(null) throws NPE
224		*/
225		public void testExecuteNull() throws InterruptedException {
226	<	ScheduledThreadPoolExecutor se = null;
227	<	try {
228	<	se = new ScheduledThreadPoolExecutor(1);
229	<	se.execute(null);
230	<	shouldThrow();
231	<	} catch (NullPointerException success) {}
232	<
208	<	joinPool(se);
226	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	try {
229	>	p.execute(null);
230	>	shouldThrow();
231	>	} catch (NullPointerException success) {}
232	>	}
233		}
234
235		/**
236		* schedule(null) throws NPE
237		*/
238		public void testScheduleNull() throws InterruptedException {
239	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
240	<	try {
241	<	TrackedCallable callable = null;
242	<	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
243	<	shouldThrow();
244	<	} catch (NullPointerException success) {}
245	<	joinPool(se);
239	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
240	>	try (PoolCleaner cleaner = cleaner(p)) {
241	>	try {
242	>	TrackedCallable callable = null;
243	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
244	>	shouldThrow();
245	>	} catch (NullPointerException success) {}
246	>	}
247		}
248
249		/**
250		* execute throws RejectedExecutionException if shutdown
251		*/
252		public void testSchedule1_RejectedExecutionException() throws InterruptedException {
253	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
254	<	try {
255	<	se.shutdown();
256	<	se.schedule(new NoOpRunnable(),
257	<	MEDIUM_DELAY_MS, MILLISECONDS);
258	<	shouldThrow();
259	<	} catch (RejectedExecutionException success) {
260	<	} catch (SecurityException ok) {
253	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
254	>	try (PoolCleaner cleaner = cleaner(p)) {
255	>	try {
256	>	p.shutdown();
257	>	p.schedule(new NoOpRunnable(),
258	>	MEDIUM_DELAY_MS, MILLISECONDS);
259	>	shouldThrow();
260	>	} catch (RejectedExecutionException success) {
261	>	} catch (SecurityException ok) {}
262		}
237	–
238	–	joinPool(se);
263		}
264
265		/**
266		* schedule throws RejectedExecutionException if shutdown
267		*/
268		public void testSchedule2_RejectedExecutionException() throws InterruptedException {
269	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
270	<	try {
271	<	se.shutdown();
272	<	se.schedule(new NoOpCallable(),
273	<	MEDIUM_DELAY_MS, MILLISECONDS);
274	<	shouldThrow();
275	<	} catch (RejectedExecutionException success) {
276	<	} catch (SecurityException ok) {
269	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
270	>	try (PoolCleaner cleaner = cleaner(p)) {
271	>	try {
272	>	p.shutdown();
273	>	p.schedule(new NoOpCallable(),
274	>	MEDIUM_DELAY_MS, MILLISECONDS);
275	>	shouldThrow();
276	>	} catch (RejectedExecutionException success) {
277	>	} catch (SecurityException ok) {}
278		}
254	–	joinPool(se);
279		}
280
281		/**
282		* schedule callable throws RejectedExecutionException if shutdown
283		*/
284		public void testSchedule3_RejectedExecutionException() throws InterruptedException {
285	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
286	<	try {
287	<	se.shutdown();
288	<	se.schedule(new NoOpCallable(),
289	<	MEDIUM_DELAY_MS, MILLISECONDS);
290	<	shouldThrow();
291	<	} catch (RejectedExecutionException success) {
292	<	} catch (SecurityException ok) {
285	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
286	>	try (PoolCleaner cleaner = cleaner(p)) {
287	>	try {
288	>	p.shutdown();
289	>	p.schedule(new NoOpCallable(),
290	>	MEDIUM_DELAY_MS, MILLISECONDS);
291	>	shouldThrow();
292	>	} catch (RejectedExecutionException success) {
293	>	} catch (SecurityException ok) {}
294		}
270	–	joinPool(se);
295		}
296
297		/**
298		* scheduleAtFixedRate throws RejectedExecutionException if shutdown
299		*/
300		public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
301	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
302	<	try {
303	<	se.shutdown();
304	<	se.scheduleAtFixedRate(new NoOpRunnable(),
305	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
306	<	shouldThrow();
307	<	} catch (RejectedExecutionException success) {
308	<	} catch (SecurityException ok) {
301	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
302	>	try (PoolCleaner cleaner = cleaner(p)) {
303	>	try {
304	>	p.shutdown();
305	>	p.scheduleAtFixedRate(new NoOpRunnable(),
306	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
307	>	shouldThrow();
308	>	} catch (RejectedExecutionException success) {
309	>	} catch (SecurityException ok) {}
310		}
286	–	joinPool(se);
311		}
312
313		/**
314		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
315		*/
316		public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
317	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
318	<	try {
319	<	se.shutdown();
320	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
321	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
322	<	shouldThrow();
323	<	} catch (RejectedExecutionException success) {
324	<	} catch (SecurityException ok) {
317	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.shutdown();
321	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
322	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
323	>	shouldThrow();
324	>	} catch (RejectedExecutionException success) {
325	>	} catch (SecurityException ok) {}
326		}
302	–	joinPool(se);
327		}
328
329		/**
#	Line 307 | Line 331 | public class ScheduledExecutorTest exten
331		* thread becomes active
332		*/
333		public void testGetActiveCount() throws InterruptedException {
310	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
311	–	final CountDownLatch threadStarted = new CountDownLatch(1);
334		final CountDownLatch done = new CountDownLatch(1);
335	<	try {
335	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
336	>	try (PoolCleaner cleaner = cleaner(p, done)) {
337	>	final CountDownLatch threadStarted = new CountDownLatch(1);
338		assertEquals(0, p.getActiveCount());
339		p.execute(new CheckedRunnable() {
340		public void realRun() throws InterruptedException {
341		threadStarted.countDown();
342		assertEquals(1, p.getActiveCount());
343	<	done.await();
343	>	await(done);
344		}});
345	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
345	>	await(threadStarted);
346		assertEquals(1, p.getActiveCount());
323	–	} finally {
324	–	done.countDown();
325	–	joinPool(p);
347		}
348		}
349
#	Line 332 | Line 353 | public class ScheduledExecutorTest exten
353		*/
354		public void testGetCompletedTaskCount() throws InterruptedException {
355		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
356	<	final CountDownLatch threadStarted = new CountDownLatch(1);
357	<	final CountDownLatch threadProceed = new CountDownLatch(1);
358	<	final CountDownLatch threadDone = new CountDownLatch(1);
359	<	try {
356	>	try (PoolCleaner cleaner = cleaner(p)) {
357	>	final CountDownLatch threadStarted = new CountDownLatch(1);
358	>	final CountDownLatch threadProceed = new CountDownLatch(1);
359	>	final CountDownLatch threadDone = new CountDownLatch(1);
360		assertEquals(0, p.getCompletedTaskCount());
361		p.execute(new CheckedRunnable() {
362		public void realRun() throws InterruptedException {
#	Line 354 | Line 375 | public class ScheduledExecutorTest exten
375		fail("timed out");
376		Thread.yield();
377		}
357	–	} finally {
358	–	joinPool(p);
378		}
379		}
380
#	Line 364 | Line 383 | public class ScheduledExecutorTest exten
383		*/
384		public void testGetCorePoolSize() throws InterruptedException {
385		ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
386	<	assertEquals(1, p.getCorePoolSize());
387	<	joinPool(p);
386	>	try (PoolCleaner cleaner = cleaner(p)) {
387	>	assertEquals(1, p.getCorePoolSize());
388	>	}
389		}
390
391		/**
#	Line 377 | Line 397 | public class ScheduledExecutorTest exten
397		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
398		final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
399		final CountDownLatch done = new CountDownLatch(1);
400	<	try {
400	>	try (PoolCleaner cleaner = cleaner(p, done)) {
401		assertEquals(0, p.getLargestPoolSize());
402		for (int i = 0; i < THREADS; i++)
403		p.execute(new CheckedRunnable() {
404		public void realRun() throws InterruptedException {
405		threadsStarted.countDown();
406	<	done.await();
406	>	await(done);
407		assertEquals(THREADS, p.getLargestPoolSize());
408		}});
409	<	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
390	<	assertEquals(THREADS, p.getLargestPoolSize());
391	<	} finally {
392	<	done.countDown();
393	<	joinPool(p);
409	>	await(threadsStarted);
410		assertEquals(THREADS, p.getLargestPoolSize());
411		}
412	+	assertEquals(THREADS, p.getLargestPoolSize());
413		}
414
415		/**
#	Line 403 | Line 420 | public class ScheduledExecutorTest exten
420		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
421		final CountDownLatch threadStarted = new CountDownLatch(1);
422		final CountDownLatch done = new CountDownLatch(1);
423	<	try {
423	>	try (PoolCleaner cleaner = cleaner(p, done)) {
424		assertEquals(0, p.getPoolSize());
425		p.execute(new CheckedRunnable() {
426		public void realRun() throws InterruptedException {
427		threadStarted.countDown();
428		assertEquals(1, p.getPoolSize());
429	<	done.await();
429	>	await(done);
430		}});
431	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
431	>	await(threadStarted);
432		assertEquals(1, p.getPoolSize());
416	–	} finally {
417	–	done.countDown();
418	–	joinPool(p);
433		}
434		}
435
#	Line 424 | Line 438 | public class ScheduledExecutorTest exten
438		* submitted
439		*/
440		public void testGetTaskCount() throws InterruptedException {
441	<	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
428	<	final CountDownLatch threadStarted = new CountDownLatch(1);
441	>	final int TASKS = 3;
442		final CountDownLatch done = new CountDownLatch(1);
443	<	final int TASKS = 5;
444	<	try {
443	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
444	>	try (PoolCleaner cleaner = cleaner(p, done)) {
445	>	final CountDownLatch threadStarted = new CountDownLatch(1);
446		assertEquals(0, p.getTaskCount());
447	<	for (int i = 0; i < TASKS; i++)
447	>	assertEquals(0, p.getCompletedTaskCount());
448	>	p.execute(new CheckedRunnable() {
449	>	public void realRun() throws InterruptedException {
450	>	threadStarted.countDown();
451	>	await(done);
452	>	}});
453	>	await(threadStarted);
454	>	assertEquals(1, p.getTaskCount());
455	>	assertEquals(0, p.getCompletedTaskCount());
456	>	for (int i = 0; i < TASKS; i++) {
457	>	assertEquals(1 + i, p.getTaskCount());
458		p.execute(new CheckedRunnable() {
459		public void realRun() throws InterruptedException {
460		threadStarted.countDown();
461	<	done.await();
461	>	assertEquals(1 + TASKS, p.getTaskCount());
462	>	await(done);
463		}});
464	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
465	<	assertEquals(TASKS, p.getTaskCount());
466	<	} finally {
442	<	done.countDown();
443	<	joinPool(p);
464	>	}
465	>	assertEquals(1 + TASKS, p.getTaskCount());
466	>	assertEquals(0, p.getCompletedTaskCount());
467		}
468	+	assertEquals(1 + TASKS, p.getTaskCount());
469	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
470		}
471
472		/**
473		* getThreadFactory returns factory in constructor if not set
474		*/
475		public void testGetThreadFactory() throws InterruptedException {
476	<	ThreadFactory tf = new SimpleThreadFactory();
477	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
478	<	assertSame(tf, p.getThreadFactory());
479	<	joinPool(p);
476	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
477	>	final ScheduledThreadPoolExecutor p =
478	>	new ScheduledThreadPoolExecutor(1, threadFactory);
479	>	try (PoolCleaner cleaner = cleaner(p)) {
480	>	assertSame(threadFactory, p.getThreadFactory());
481	>	}
482		}
483
484		/**
485		* setThreadFactory sets the thread factory returned by getThreadFactory
486		*/
487		public void testSetThreadFactory() throws InterruptedException {
488	<	ThreadFactory tf = new SimpleThreadFactory();
489	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
490	<	p.setThreadFactory(tf);
491	<	assertSame(tf, p.getThreadFactory());
492	<	joinPool(p);
488	>	ThreadFactory threadFactory = new SimpleThreadFactory();
489	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
490	>	try (PoolCleaner cleaner = cleaner(p)) {
491	>	p.setThreadFactory(threadFactory);
492	>	assertSame(threadFactory, p.getThreadFactory());
493	>	}
494		}
495
496		/**
497		* setThreadFactory(null) throws NPE
498		*/
499		public void testSetThreadFactoryNull() throws InterruptedException {
500	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
501	<	try {
502	<	p.setThreadFactory(null);
503	<	shouldThrow();
504	<	} catch (NullPointerException success) {
505	<	} finally {
478	<	joinPool(p);
500	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
501	>	try (PoolCleaner cleaner = cleaner(p)) {
502	>	try {
503	>	p.setThreadFactory(null);
504	>	shouldThrow();
505	>	} catch (NullPointerException success) {}
506		}
507		}
508
#	Line 484 | Line 511 | public class ScheduledExecutorTest exten
511		*/
512		public void testIsShutdown() {
513
514	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
514	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
515		try {
516		assertFalse(p.isShutdown());
517		}
#	Line 499 | Line 526 | public class ScheduledExecutorTest exten
526		*/
527		public void testIsTerminated() throws InterruptedException {
528		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
529	<	final CountDownLatch threadStarted = new CountDownLatch(1);
530	<	final CountDownLatch done = new CountDownLatch(1);
531	<	assertFalse(p.isTerminated());
532	<	try {
529	>	try (PoolCleaner cleaner = cleaner(p)) {
530	>	final CountDownLatch threadStarted = new CountDownLatch(1);
531	>	final CountDownLatch done = new CountDownLatch(1);
532	>	assertFalse(p.isTerminated());
533		p.execute(new CheckedRunnable() {
534		public void realRun() throws InterruptedException {
535		assertFalse(p.isTerminated());
536		threadStarted.countDown();
537	<	done.await();
537	>	await(done);
538		}});
539	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
539	>	await(threadStarted);
540		assertFalse(p.isTerminating());
541		done.countDown();
515	–	} finally {
542		try { p.shutdown(); } catch (SecurityException ok) { return; }
543	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
544	+	assertTrue(p.isTerminated());
545		}
518	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	–	assertTrue(p.isTerminated());
546		}
547
548		/**
#	Line 526 | Line 552 | public class ScheduledExecutorTest exten
552		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
553		final CountDownLatch threadStarted = new CountDownLatch(1);
554		final CountDownLatch done = new CountDownLatch(1);
555	<	try {
555	>	try (PoolCleaner cleaner = cleaner(p)) {
556		assertFalse(p.isTerminating());
557		p.execute(new CheckedRunnable() {
558		public void realRun() throws InterruptedException {
559		assertFalse(p.isTerminating());
560		threadStarted.countDown();
561	<	done.await();
561	>	await(done);
562		}});
563	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
563	>	await(threadStarted);
564		assertFalse(p.isTerminating());
565		done.countDown();
540	–	} finally {
566		try { p.shutdown(); } catch (SecurityException ok) { return; }
567	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
568	+	assertTrue(p.isTerminated());
569	+	assertFalse(p.isTerminating());
570		}
543	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
544	–	assertTrue(p.isTerminated());
545	–	assertFalse(p.isTerminating());
571		}
572
573		/**
574		* getQueue returns the work queue, which contains queued tasks
575		*/
576		public void testGetQueue() throws InterruptedException {
552	–	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
553	–	final CountDownLatch threadStarted = new CountDownLatch(1);
577		final CountDownLatch done = new CountDownLatch(1);
578	<	try {
578	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
579	>	try (PoolCleaner cleaner = cleaner(p, done)) {
580	>	final CountDownLatch threadStarted = new CountDownLatch(1);
581		ScheduledFuture[] tasks = new ScheduledFuture[5];
582		for (int i = 0; i < tasks.length; i++) {
583		Runnable r = new CheckedRunnable() {
584		public void realRun() throws InterruptedException {
585		threadStarted.countDown();
586	<	done.await();
586	>	await(done);
587		}};
588		tasks[i] = p.schedule(r, 1, MILLISECONDS);
589		}
590	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
590	>	await(threadStarted);
591		BlockingQueue<Runnable> q = p.getQueue();
592		assertTrue(q.contains(tasks[tasks.length - 1]));
593		assertFalse(q.contains(tasks[0]));
569	–	} finally {
570	–	done.countDown();
571	–	joinPool(p);
594		}
595		}
596
#	Line 576 | Line 598 | public class ScheduledExecutorTest exten
598		* remove(task) removes queued task, and fails to remove active task
599		*/
600		public void testRemove() throws InterruptedException {
579	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
580	–	ScheduledFuture[] tasks = new ScheduledFuture[5];
581	–	final CountDownLatch threadStarted = new CountDownLatch(1);
601		final CountDownLatch done = new CountDownLatch(1);
602	<	try {
602	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
603	>	try (PoolCleaner cleaner = cleaner(p, done)) {
604	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
605	>	final CountDownLatch threadStarted = new CountDownLatch(1);
606		for (int i = 0; i < tasks.length; i++) {
607		Runnable r = new CheckedRunnable() {
608		public void realRun() throws InterruptedException {
609		threadStarted.countDown();
610	<	done.await();
610	>	await(done);
611		}};
612		tasks[i] = p.schedule(r, 1, MILLISECONDS);
613		}
614	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
614	>	await(threadStarted);
615		BlockingQueue<Runnable> q = p.getQueue();
616		assertFalse(p.remove((Runnable)tasks[0]));
617		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 600 | Line 622 | public class ScheduledExecutorTest exten
622		assertTrue(q.contains((Runnable)tasks[3]));
623		assertTrue(p.remove((Runnable)tasks[3]));
624		assertFalse(q.contains((Runnable)tasks[3]));
603	–	} finally {
604	–	done.countDown();
605	–	joinPool(p);
625		}
626		}
627
#	Line 610 | Line 629 | public class ScheduledExecutorTest exten
629		* purge eventually removes cancelled tasks from the queue
630		*/
631		public void testPurge() throws InterruptedException {
632	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
633	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
634	<	for (int i = 0; i < tasks.length; i++)
635	<	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
636	<	LONG_DELAY_MS, MILLISECONDS);
637	<	try {
632	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
633	>	final Runnable releaser = new Runnable() { public void run() {
634	>	for (ScheduledFuture task : tasks)
635	>	if (task != null) task.cancel(true); }};
636	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
637	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
638	>	for (int i = 0; i < tasks.length; i++)
639	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
640	>	LONG_DELAY_MS, MILLISECONDS);
641		int max = tasks.length;
642		if (tasks[4].cancel(true)) --max;
643		if (tasks[3].cancel(true)) --max;
#	Line 627 | Line 649 | public class ScheduledExecutorTest exten
649		long count = p.getTaskCount();
650		if (count == max)
651		return;
652	<	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
652	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
653		fail("Purge failed to remove cancelled tasks");
632	–	} finally {
633	–	for (ScheduledFuture task : tasks)
634	–	task.cancel(true);
635	–	joinPool(p);
654		}
655		}
656
657		/**
658	<	* shutdownNow returns a list containing tasks that were not run
658	>	* shutdownNow returns a list containing tasks that were not run,
659	>	* and those tasks are drained from the queue
660		*/
661	<	public void testShutdownNow() {
662	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
663	<	for (int i = 0; i < 5; i++)
664	<	p.schedule(new SmallPossiblyInterruptedRunnable(),
665	<	LONG_DELAY_MS, MILLISECONDS);
661	>	public void testShutdownNow() throws InterruptedException {
662	>	final int poolSize = 2;
663	>	final int count = 5;
664	>	final AtomicInteger ran = new AtomicInteger(0);
665	>	final ScheduledThreadPoolExecutor p =
666	>	new ScheduledThreadPoolExecutor(poolSize);
667	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
668	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
669	>	threadsStarted.countDown();
670	>	try {
671	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
672	>	} catch (InterruptedException success) {}
673	>	ran.getAndIncrement();
674	>	}};
675	>	for (int i = 0; i < count; i++)
676	>	p.execute(waiter);
677	>	await(threadsStarted);
678	>	assertEquals(poolSize, p.getActiveCount());
679	>	assertEquals(0, p.getCompletedTaskCount());
680	>	final List<Runnable> queuedTasks;
681		try {
682	<	List<Runnable> l = p.shutdownNow();
649	<	assertTrue(p.isShutdown());
650	<	assertEquals(5, l.size());
682	>	queuedTasks = p.shutdownNow();
683		} catch (SecurityException ok) {
684	<	// Allowed in case test doesn't have privs
653	<	} finally {
654	<	joinPool(p);
684	>	return; // Allowed in case test doesn't have privs
685		}
686	+	assertTrue(p.isShutdown());
687	+	assertTrue(p.getQueue().isEmpty());
688	+	assertEquals(count - poolSize, queuedTasks.size());
689	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
690	+	assertTrue(p.isTerminated());
691	+	assertEquals(poolSize, ran.get());
692	+	assertEquals(poolSize, p.getCompletedTaskCount());
693		}
694
695		/**
696	<	* In default setting, shutdown cancels periodic but not delayed
697	<	* tasks at shutdown
696	>	* shutdownNow returns a list containing tasks that were not run,
697	>	* and those tasks are drained from the queue
698		*/
699	<	public void testShutdown1() throws InterruptedException {
700	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
701	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
702	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
703	<
704	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
705	<	for (int i = 0; i < tasks.length; i++)
706	<	tasks[i] = p.schedule(new NoOpRunnable(),
707	<	SHORT_DELAY_MS, MILLISECONDS);
708	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
709	<	BlockingQueue<Runnable> q = p.getQueue();
710	<	for (ScheduledFuture task : tasks) {
711	<	assertFalse(task.isDone());
712	<	assertFalse(task.isCancelled());
713	<	assertTrue(q.contains(task));
699	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
700	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
701	>	List<ScheduledFuture> tasks = new ArrayList<>();
702	>	for (int i = 0; i < 3; i++) {
703	>	Runnable r = new NoOpRunnable();
704	>	tasks.add(p.schedule(r, 9, SECONDS));
705	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
706	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
707	>	}
708	>	if (testImplementationDetails)
709	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
710	>	final List<Runnable> queuedTasks;
711	>	try {
712	>	queuedTasks = p.shutdownNow();
713	>	} catch (SecurityException ok) {
714	>	return; // Allowed in case test doesn't have privs
715		}
716		assertTrue(p.isShutdown());
717	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
718	<	assertTrue(p.isTerminated());
717	>	assertTrue(p.getQueue().isEmpty());
718	>	if (testImplementationDetails)
719	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
720	>	assertEquals(tasks.size(), queuedTasks.size());
721		for (ScheduledFuture task : tasks) {
722	<	assertTrue(task.isDone());
722	>	assertFalse(task.isDone());
723		assertFalse(task.isCancelled());
724		}
725	<	}
686	<
687	<	/**
688	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
689	<	* delayed tasks are cancelled at shutdown
690	<	*/
691	<	public void testShutdown2() throws InterruptedException {
692	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
693	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
694	<	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
695	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
696	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
697	<	for (int i = 0; i < tasks.length; i++)
698	<	tasks[i] = p.schedule(new NoOpRunnable(),
699	<	SHORT_DELAY_MS, MILLISECONDS);
700	<	BlockingQueue q = p.getQueue();
701	<	assertEquals(tasks.length, q.size());
702	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
703	<	assertTrue(p.isShutdown());
704	<	assertTrue(q.isEmpty());
705	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
725	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
726		assertTrue(p.isTerminated());
707	–	for (ScheduledFuture task : tasks) {
708	–	assertTrue(task.isDone());
709	–	assertTrue(task.isCancelled());
710	–	}
727		}
728
729		/**
730	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
731	<	* periodic tasks are cancelled at shutdown
732	<	*/
733	<	public void testShutdown3() throws InterruptedException {
734	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
735	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
736	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
737	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
738	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
739	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
740	<	long initialDelay = LONG_DELAY_MS;
741	<	ScheduledFuture task =
742	<	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
743	<	5, MILLISECONDS);
730	>	* By default, periodic tasks are cancelled at shutdown.
731	>	* By default, delayed tasks keep running after shutdown.
732	>	* Check that changing the default values work:
733	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
734	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
735	>	*/
736	>	public void testShutdown_cancellation() throws Exception {
737	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
738	>	for (Boolean policy : allBooleans)
739	>	{
740	>	final int poolSize = 2;
741	>	final ScheduledThreadPoolExecutor p
742	>	= new ScheduledThreadPoolExecutor(poolSize);
743	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
744	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
745	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
746	>	if (policy != null) {
747	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
748	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
749	>	p.setRemoveOnCancelPolicy(policy);
750	>	}
751	>	assertEquals(effectiveDelayedPolicy,
752	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
753	>	assertEquals(effectivePeriodicPolicy,
754	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
755	>	assertEquals(effectiveRemovePolicy,
756	>	p.getRemoveOnCancelPolicy());
757	>	// Strategy: Wedge the pool with poolSize "blocker" threads
758	>	final AtomicInteger ran = new AtomicInteger(0);
759	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
760	>	final CountDownLatch unblock = new CountDownLatch(1);
761	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
762	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
763	>	Runnable task = new CheckedRunnable() { public void realRun()
764	>	throws InterruptedException {
765	>	poolBlocked.countDown();
766	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
767	>	ran.getAndIncrement();
768	>	}};
769	>	List<Future<?>> blockers = new ArrayList<>();
770	>	List<Future<?>> periodics = new ArrayList<>();
771	>	List<Future<?>> delayeds = new ArrayList<>();
772	>	for (int i = 0; i < poolSize; i++)
773	>	blockers.add(p.submit(task));
774	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
775	>
776	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
777	>	1, 1, MILLISECONDS));
778	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
779	>	1, 1, MILLISECONDS));
780	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
781	>
782	>	assertTrue(p.getQueue().containsAll(periodics));
783	>	assertTrue(p.getQueue().containsAll(delayeds));
784		try { p.shutdown(); } catch (SecurityException ok) { return; }
785		assertTrue(p.isShutdown());
786	<	assertTrue(p.getQueue().isEmpty());
787	<	assertTrue(task.isDone());
788	<	assertTrue(task.isCancelled());
789	<	joinPool(p);
790	<	}
791	<
792	<	/**
793	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
794	<	* periodic tasks are not cancelled at shutdown
795	<	*/
796	<	public void testShutdown4() throws InterruptedException {
797	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
798	<	final CountDownLatch counter = new CountDownLatch(2);
799	<	try {
800	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
801	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
802	<	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
803	<	final Runnable r = new CheckedRunnable() {
804	<	public void realRun() {
805	<	counter.countDown();
806	<	}};
807	<	ScheduledFuture task =
752	<	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
753	<	assertFalse(task.isDone());
754	<	assertFalse(task.isCancelled());
755	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
756	<	assertFalse(task.isCancelled());
757	<	assertFalse(p.isTerminated());
758	<	assertTrue(p.isShutdown());
759	<	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
760	<	assertFalse(task.isCancelled());
761	<	assertTrue(task.cancel(false));
762	<	assertTrue(task.isDone());
763	<	assertTrue(task.isCancelled());
764	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
765	<	assertTrue(p.isTerminated());
786	>	assertFalse(p.isTerminated());
787	>	for (Future<?> periodic : periodics) {
788	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
789	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
790	>	}
791	>	for (Future<?> delayed : delayeds) {
792	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
793	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
794	>	}
795	>	if (testImplementationDetails) {
796	>	assertEquals(effectivePeriodicPolicy,
797	>	p.getQueue().containsAll(periodics));
798	>	assertEquals(effectiveDelayedPolicy,
799	>	p.getQueue().containsAll(delayeds));
800	>	}
801	>	// Release all pool threads
802	>	unblock.countDown();
803	>
804	>	for (Future<?> delayed : delayeds) {
805	>	if (effectiveDelayedPolicy) {
806	>	assertNull(delayed.get());
807	>	}
808		}
809	<	finally {
810	<	joinPool(p);
809	>	if (effectivePeriodicPolicy) {
810	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
811	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
812	>	for (Future<?> periodic : periodics) {
813	>	assertTrue(periodic.cancel(false));
814	>	assertTrue(periodic.isCancelled());
815	>	assertTrue(periodic.isDone());
816	>	}
817		}
818	<	}
818	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
819	>	assertTrue(p.isTerminated());
820	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
821	>	}}
822
823		/**
824		* completed submit of callable returns result
825		*/
826		public void testSubmitCallable() throws Exception {
827	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
828	<	try {
827	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
828	>	try (PoolCleaner cleaner = cleaner(e)) {
829		Future<String> future = e.submit(new StringTask());
830		String result = future.get();
831		assertSame(TEST_STRING, result);
781	–	} finally {
782	–	joinPool(e);
832		}
833		}
834
#	Line 787 | Line 836 | public class ScheduledExecutorTest exten
836		* completed submit of runnable returns successfully
837		*/
838		public void testSubmitRunnable() throws Exception {
839	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
840	<	try {
839	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
840	>	try (PoolCleaner cleaner = cleaner(e)) {
841		Future<?> future = e.submit(new NoOpRunnable());
842		future.get();
843		assertTrue(future.isDone());
795	–	} finally {
796	–	joinPool(e);
844		}
845		}
846
#	Line 801 | Line 848 | public class ScheduledExecutorTest exten
848		* completed submit of (runnable, result) returns result
849		*/
850		public void testSubmitRunnable2() throws Exception {
851	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
852	<	try {
851	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
852	>	try (PoolCleaner cleaner = cleaner(e)) {
853		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
854		String result = future.get();
855		assertSame(TEST_STRING, result);
809	–	} finally {
810	–	joinPool(e);
856		}
857		}
858
#	Line 815 | Line 860 | public class ScheduledExecutorTest exten
860		* invokeAny(null) throws NPE
861		*/
862		public void testInvokeAny1() throws Exception {
863	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
864	<	try {
865	<	e.invokeAny(null);
866	<	shouldThrow();
867	<	} catch (NullPointerException success) {
868	<	} finally {
824	<	joinPool(e);
863	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
864	>	try (PoolCleaner cleaner = cleaner(e)) {
865	>	try {
866	>	e.invokeAny(null);
867	>	shouldThrow();
868	>	} catch (NullPointerException success) {}
869		}
870		}
871
#	Line 829 | Line 873 | public class ScheduledExecutorTest exten
873		* invokeAny(empty collection) throws IAE
874		*/
875		public void testInvokeAny2() throws Exception {
876	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
877	<	try {
878	<	e.invokeAny(new ArrayList<Callable<String>>());
879	<	shouldThrow();
880	<	} catch (IllegalArgumentException success) {
881	<	} finally {
838	<	joinPool(e);
876	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
877	>	try (PoolCleaner cleaner = cleaner(e)) {
878	>	try {
879	>	e.invokeAny(new ArrayList<Callable<String>>());
880	>	shouldThrow();
881	>	} catch (IllegalArgumentException success) {}
882		}
883		}
884
#	Line 844 | Line 887 | public class ScheduledExecutorTest exten
887		*/
888		public void testInvokeAny3() throws Exception {
889		CountDownLatch latch = new CountDownLatch(1);
890	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
891	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
892	<	l.add(latchAwaitingStringTask(latch));
893	<	l.add(null);
894	<	try {
895	<	e.invokeAny(l);
896	<	shouldThrow();
897	<	} catch (NullPointerException success) {
898	<	} finally {
890	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
891	>	try (PoolCleaner cleaner = cleaner(e)) {
892	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
893	>	l.add(latchAwaitingStringTask(latch));
894	>	l.add(null);
895	>	try {
896	>	e.invokeAny(l);
897	>	shouldThrow();
898	>	} catch (NullPointerException success) {}
899		latch.countDown();
857	–	joinPool(e);
900		}
901		}
902
#	Line 862 | Line 904 | public class ScheduledExecutorTest exten
904		* invokeAny(c) throws ExecutionException if no task completes
905		*/
906		public void testInvokeAny4() throws Exception {
907	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
908	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
909	<	l.add(new NPETask());
910	<	try {
911	<	e.invokeAny(l);
912	<	shouldThrow();
913	<	} catch (ExecutionException success) {
914	<	assertTrue(success.getCause() instanceof NullPointerException);
915	<	} finally {
916	<	joinPool(e);
907	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
908	>	try (PoolCleaner cleaner = cleaner(e)) {
909	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
910	>	l.add(new NPETask());
911	>	try {
912	>	e.invokeAny(l);
913	>	shouldThrow();
914	>	} catch (ExecutionException success) {
915	>	assertTrue(success.getCause() instanceof NullPointerException);
916	>	}
917		}
918		}
919
#	Line 879 | Line 921 | public class ScheduledExecutorTest exten
921		* invokeAny(c) returns result of some task
922		*/
923		public void testInvokeAny5() throws Exception {
924	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
925	<	try {
924	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
925	>	try (PoolCleaner cleaner = cleaner(e)) {
926		List<Callable<String>> l = new ArrayList<Callable<String>>();
927		l.add(new StringTask());
928		l.add(new StringTask());
929		String result = e.invokeAny(l);
930		assertSame(TEST_STRING, result);
889	–	} finally {
890	–	joinPool(e);
931		}
932		}
933
#	Line 895 | Line 935 | public class ScheduledExecutorTest exten
935		* invokeAll(null) throws NPE
936		*/
937		public void testInvokeAll1() throws Exception {
938	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
939	<	try {
940	<	e.invokeAll(null);
941	<	shouldThrow();
942	<	} catch (NullPointerException success) {
943	<	} finally {
904	<	joinPool(e);
938	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
939	>	try (PoolCleaner cleaner = cleaner(e)) {
940	>	try {
941	>	e.invokeAll(null);
942	>	shouldThrow();
943	>	} catch (NullPointerException success) {}
944		}
945		}
946
#	Line 909 | Line 948 | public class ScheduledExecutorTest exten
948		* invokeAll(empty collection) returns empty collection
949		*/
950		public void testInvokeAll2() throws Exception {
951	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
952	<	try {
951	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
952	>	try (PoolCleaner cleaner = cleaner(e)) {
953		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
954		assertTrue(r.isEmpty());
916	–	} finally {
917	–	joinPool(e);
955		}
956		}
957
#	Line 922 | Line 959 | public class ScheduledExecutorTest exten
959		* invokeAll(c) throws NPE if c has null elements
960		*/
961		public void testInvokeAll3() throws Exception {
962	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
963	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
964	<	l.add(new StringTask());
965	<	l.add(null);
966	<	try {
967	<	e.invokeAll(l);
968	<	shouldThrow();
969	<	} catch (NullPointerException success) {
970	<	} finally {
934	<	joinPool(e);
962	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
963	>	try (PoolCleaner cleaner = cleaner(e)) {
964	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
965	>	l.add(new StringTask());
966	>	l.add(null);
967	>	try {
968	>	e.invokeAll(l);
969	>	shouldThrow();
970	>	} catch (NullPointerException success) {}
971		}
972		}
973
#	Line 939 | Line 975 | public class ScheduledExecutorTest exten
975		* get of invokeAll(c) throws exception on failed task
976		*/
977		public void testInvokeAll4() throws Exception {
978	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
979	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
980	<	l.add(new NPETask());
981	<	List<Future<String>> futures = e.invokeAll(l);
982	<	assertEquals(1, futures.size());
983	<	try {
984	<	futures.get(0).get();
985	<	shouldThrow();
986	<	} catch (ExecutionException success) {
987	<	assertTrue(success.getCause() instanceof NullPointerException);
988	<	} finally {
989	<	joinPool(e);
978	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
979	>	try (PoolCleaner cleaner = cleaner(e)) {
980	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
981	>	l.add(new NPETask());
982	>	List<Future<String>> futures = e.invokeAll(l);
983	>	assertEquals(1, futures.size());
984	>	try {
985	>	futures.get(0).get();
986	>	shouldThrow();
987	>	} catch (ExecutionException success) {
988	>	assertTrue(success.getCause() instanceof NullPointerException);
989	>	}
990		}
991		}
992
#	Line 958 | Line 994 | public class ScheduledExecutorTest exten
994		* invokeAll(c) returns results of all completed tasks
995		*/
996		public void testInvokeAll5() throws Exception {
997	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
998	<	try {
997	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
998	>	try (PoolCleaner cleaner = cleaner(e)) {
999		List<Callable<String>> l = new ArrayList<Callable<String>>();
1000		l.add(new StringTask());
1001		l.add(new StringTask());
#	Line 967 | Line 1003 | public class ScheduledExecutorTest exten
1003		assertEquals(2, futures.size());
1004		for (Future<String> future : futures)
1005		assertSame(TEST_STRING, future.get());
970	–	} finally {
971	–	joinPool(e);
1006		}
1007		}
1008
#	Line 976 | Line 1010 | public class ScheduledExecutorTest exten
1010		* timed invokeAny(null) throws NPE
1011		*/
1012		public void testTimedInvokeAny1() throws Exception {
1013	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1014	<	try {
1015	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1016	<	shouldThrow();
1017	<	} catch (NullPointerException success) {
1018	<	} finally {
985	<	joinPool(e);
1013	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1014	>	try (PoolCleaner cleaner = cleaner(e)) {
1015	>	try {
1016	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1017	>	shouldThrow();
1018	>	} catch (NullPointerException success) {}
1019		}
1020		}
1021
#	Line 990 | Line 1023 | public class ScheduledExecutorTest exten
1023		* timed invokeAny(,,null) throws NPE
1024		*/
1025		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1026	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1027	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1028	<	l.add(new StringTask());
1029	<	try {
1030	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1031	<	shouldThrow();
1032	<	} catch (NullPointerException success) {
1033	<	} finally {
1001	<	joinPool(e);
1026	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1027	>	try (PoolCleaner cleaner = cleaner(e)) {
1028	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1029	>	l.add(new StringTask());
1030	>	try {
1031	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1032	>	shouldThrow();
1033	>	} catch (NullPointerException success) {}
1034		}
1035		}
1036
#	Line 1006 | Line 1038 | public class ScheduledExecutorTest exten
1038		* timed invokeAny(empty collection) throws IAE
1039		*/
1040		public void testTimedInvokeAny2() throws Exception {
1041	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1042	<	try {
1043	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1044	<	shouldThrow();
1045	<	} catch (IllegalArgumentException success) {
1046	<	} finally {
1015	<	joinPool(e);
1041	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1042	>	try (PoolCleaner cleaner = cleaner(e)) {
1043	>	try {
1044	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1045	>	shouldThrow();
1046	>	} catch (IllegalArgumentException success) {}
1047		}
1048		}
1049
#	Line 1021 | Line 1052 | public class ScheduledExecutorTest exten
1052		*/
1053		public void testTimedInvokeAny3() throws Exception {
1054		CountDownLatch latch = new CountDownLatch(1);
1055	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1057	<	l.add(latchAwaitingStringTask(latch));
1058	<	l.add(null);
1059	<	try {
1060	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1061	<	shouldThrow();
1062	<	} catch (NullPointerException success) {
1063	<	} finally {
1055	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	>	try (PoolCleaner cleaner = cleaner(e)) {
1057	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1058	>	l.add(latchAwaitingStringTask(latch));
1059	>	l.add(null);
1060	>	try {
1061	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1062	>	shouldThrow();
1063	>	} catch (NullPointerException success) {}
1064		latch.countDown();
1034	–	joinPool(e);
1065		}
1066		}
1067
#	Line 1039 | Line 1069 | public class ScheduledExecutorTest exten
1069		* timed invokeAny(c) throws ExecutionException if no task completes
1070		*/
1071		public void testTimedInvokeAny4() throws Exception {
1072	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1073	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1074	<	l.add(new NPETask());
1075	<	try {
1076	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1077	<	shouldThrow();
1078	<	} catch (ExecutionException success) {
1079	<	assertTrue(success.getCause() instanceof NullPointerException);
1080	<	} finally {
1081	<	joinPool(e);
1072	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1073	>	try (PoolCleaner cleaner = cleaner(e)) {
1074	>	long startTime = System.nanoTime();
1075	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1076	>	l.add(new NPETask());
1077	>	try {
1078	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1079	>	shouldThrow();
1080	>	} catch (ExecutionException success) {
1081	>	assertTrue(success.getCause() instanceof NullPointerException);
1082	>	}
1083	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1084		}
1085		}
1086
#	Line 1056 | Line 1088 | public class ScheduledExecutorTest exten
1088		* timed invokeAny(c) returns result of some task
1089		*/
1090		public void testTimedInvokeAny5() throws Exception {
1091	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1092	<	try {
1091	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1092	>	try (PoolCleaner cleaner = cleaner(e)) {
1093	>	long startTime = System.nanoTime();
1094		List<Callable<String>> l = new ArrayList<Callable<String>>();
1095		l.add(new StringTask());
1096		l.add(new StringTask());
1097	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1097	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1098		assertSame(TEST_STRING, result);
1099	<	} finally {
1067	<	joinPool(e);
1099	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1100		}
1101		}
1102
#	Line 1072 | Line 1104 | public class ScheduledExecutorTest exten
1104		* timed invokeAll(null) throws NPE
1105		*/
1106		public void testTimedInvokeAll1() throws Exception {
1107	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1108	<	try {
1109	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1110	<	shouldThrow();
1111	<	} catch (NullPointerException success) {
1112	<	} finally {
1081	<	joinPool(e);
1107	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1108	>	try (PoolCleaner cleaner = cleaner(e)) {
1109	>	try {
1110	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1111	>	shouldThrow();
1112	>	} catch (NullPointerException success) {}
1113		}
1114		}
1115
#	Line 1086 | Line 1117 | public class ScheduledExecutorTest exten
1117		* timed invokeAll(,,null) throws NPE
1118		*/
1119		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1120	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1121	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1122	<	l.add(new StringTask());
1123	<	try {
1124	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1125	<	shouldThrow();
1126	<	} catch (NullPointerException success) {
1127	<	} finally {
1097	<	joinPool(e);
1120	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1121	>	try (PoolCleaner cleaner = cleaner(e)) {
1122	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1123	>	l.add(new StringTask());
1124	>	try {
1125	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1126	>	shouldThrow();
1127	>	} catch (NullPointerException success) {}
1128		}
1129		}
1130
#	Line 1102 | Line 1132 | public class ScheduledExecutorTest exten
1132		* timed invokeAll(empty collection) returns empty collection
1133		*/
1134		public void testTimedInvokeAll2() throws Exception {
1135	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1136	<	try {
1137	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1135	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1136	>	try (PoolCleaner cleaner = cleaner(e)) {
1137	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1138	>	MEDIUM_DELAY_MS, MILLISECONDS);
1139		assertTrue(r.isEmpty());
1109	–	} finally {
1110	–	joinPool(e);
1140		}
1141		}
1142
#	Line 1115 | Line 1144 | public class ScheduledExecutorTest exten
1144		* timed invokeAll(c) throws NPE if c has null elements
1145		*/
1146		public void testTimedInvokeAll3() throws Exception {
1147	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1148	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1149	<	l.add(new StringTask());
1150	<	l.add(null);
1151	<	try {
1152	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1153	<	shouldThrow();
1154	<	} catch (NullPointerException success) {
1155	<	} finally {
1127	<	joinPool(e);
1147	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1148	>	try (PoolCleaner cleaner = cleaner(e)) {
1149	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1150	>	l.add(new StringTask());
1151	>	l.add(null);
1152	>	try {
1153	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1154	>	shouldThrow();
1155	>	} catch (NullPointerException success) {}
1156		}
1157		}
1158
#	Line 1132 | Line 1160 | public class ScheduledExecutorTest exten
1160		* get of element of invokeAll(c) throws exception on failed task
1161		*/
1162		public void testTimedInvokeAll4() throws Exception {
1163	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1164	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1165	<	l.add(new NPETask());
1166	<	List<Future<String>> futures =
1167	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1168	<	assertEquals(1, futures.size());
1169	<	try {
1170	<	futures.get(0).get();
1171	<	shouldThrow();
1172	<	} catch (ExecutionException success) {
1173	<	assertTrue(success.getCause() instanceof NullPointerException);
1174	<	} finally {
1175	<	joinPool(e);
1163	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1164	>	try (PoolCleaner cleaner = cleaner(e)) {
1165	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1166	>	l.add(new NPETask());
1167	>	List<Future<String>> futures =
1168	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1169	>	assertEquals(1, futures.size());
1170	>	try {
1171	>	futures.get(0).get();
1172	>	shouldThrow();
1173	>	} catch (ExecutionException success) {
1174	>	assertTrue(success.getCause() instanceof NullPointerException);
1175	>	}
1176		}
1177		}
1178
#	Line 1152 | Line 1180 | public class ScheduledExecutorTest exten
1180		* timed invokeAll(c) returns results of all completed tasks
1181		*/
1182		public void testTimedInvokeAll5() throws Exception {
1183	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1184	<	try {
1183	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1184	>	try (PoolCleaner cleaner = cleaner(e)) {
1185		List<Callable<String>> l = new ArrayList<Callable<String>>();
1186		l.add(new StringTask());
1187		l.add(new StringTask());
1188		List<Future<String>> futures =
1189	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1189	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1190		assertEquals(2, futures.size());
1191		for (Future<String> future : futures)
1192		assertSame(TEST_STRING, future.get());
1165	–	} finally {
1166	–	joinPool(e);
1193		}
1194		}
1195
#	Line 1171 | Line 1197 | public class ScheduledExecutorTest exten
1197		* timed invokeAll(c) cancels tasks not completed by timeout
1198		*/
1199		public void testTimedInvokeAll6() throws Exception {
1200	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1201	<	try {
1202	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1203	<	l.add(new StringTask());
1204	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1205	<	l.add(new StringTask());
1206	<	List<Future<String>> futures =
1207	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1208	<	assertEquals(l.size(), futures.size());
1209	<	for (Future future : futures)
1210	<	assertTrue(future.isDone());
1211	<	assertFalse(futures.get(0).isCancelled());
1212	<	assertTrue(futures.get(1).isCancelled());
1213	<	} finally {
1214	<	joinPool(e);
1200	>	for (long timeout = timeoutMillis();;) {
1201	>	final CountDownLatch done = new CountDownLatch(1);
1202	>	final Callable<String> waiter = new CheckedCallable<String>() {
1203	>	public String realCall() {
1204	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1205	>	catch (InterruptedException ok) {}
1206	>	return "1"; }};
1207	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1208	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1209	>	List<Callable<String>> tasks = new ArrayList<>();
1210	>	tasks.add(new StringTask("0"));
1211	>	tasks.add(waiter);
1212	>	tasks.add(new StringTask("2"));
1213	>	long startTime = System.nanoTime();
1214	>	List<Future<String>> futures =
1215	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1216	>	assertEquals(tasks.size(), futures.size());
1217	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1218	>	for (Future future : futures)
1219	>	assertTrue(future.isDone());
1220	>	assertTrue(futures.get(1).isCancelled());
1221	>	try {
1222	>	assertEquals("0", futures.get(0).get());
1223	>	assertEquals("2", futures.get(2).get());
1224	>	break;
1225	>	} catch (CancellationException retryWithLongerTimeout) {
1226	>	timeout *= 2;
1227	>	if (timeout >= LONG_DELAY_MS / 2)
1228	>	fail("expected exactly one task to be cancelled");
1229	>	}
1230	>	}
1231	>	}
1232	>	}
1233	>
1234	>	/**
1235	>	* A fixed delay task with overflowing period should not prevent a
1236	>	* one-shot task from executing.
1237	>	* https://bugs.openjdk.java.net/browse/JDK-8051859
1238	>	*/
1239	>	public void testScheduleWithFixedDelay_overflow() throws Exception {
1240	>	final CountDownLatch delayedDone = new CountDownLatch(1);
1241	>	final CountDownLatch immediateDone = new CountDownLatch(1);
1242	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1243	>	try (PoolCleaner cleaner = cleaner(p)) {
1244	>	final Runnable immediate = new Runnable() { public void run() {
1245	>	immediateDone.countDown();
1246	>	}};
1247	>	final Runnable delayed = new Runnable() { public void run() {
1248	>	delayedDone.countDown();
1249	>	p.submit(immediate);
1250	>	}};
1251	>	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1252	>	await(delayedDone);
1253	>	await(immediateDone);
1254		}
1255		}
1256

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