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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.58 by jsr166, Mon Sep 28 08:23:49 2015 UTC vs.
Revision 1.83 by jsr166, Wed Jan 4 06:09:58 2017 UTC

#	Line 7 | Line 7
7		*/
8
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;
#	Line 17 | Line 18 | import java.util.concurrent.Callable;
18		import java.util.concurrent.CancellationException;
19		import java.util.concurrent.CountDownLatch;
20		import java.util.concurrent.ExecutionException;
20	–	import java.util.concurrent.Executors;
21		import java.util.concurrent.ExecutorService;
22		import java.util.concurrent.Future;
23		import java.util.concurrent.RejectedExecutionException;
#	Line 25 | Line 25 | import java.util.concurrent.ScheduledFut
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;
#	Line 42 | 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();
50	<	}};
51	<	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));
54	<	} finally {
55	<	joinPool(p);
53	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
54		}
55		}
56
#	Line 60 | 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 74 | Line 72 | public class ScheduledExecutorTest exten
72		assertSame(Boolean.TRUE, f.get());
73		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
74		assertTrue(done.await(0L, MILLISECONDS));
77	–	} finally {
78	–	joinPool(p);
75		}
76		}
77
#	Line 83 | 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 96 | Line 92 | public class ScheduledExecutorTest exten
92		await(done);
93		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
94		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
99	–	} finally {
100	–	joinPool(p);
95		}
96		}
97
#	Line 105 | 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 120 | Line 114 | public class ScheduledExecutorTest exten
114		await(done);
115		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
116		f.cancel(true);
123	–	} finally {
124	–	joinPool(p);
117		}
118		}
119
#	Line 129 | 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 144 | Line 136 | public class ScheduledExecutorTest exten
136		await(done);
137		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
138		f.cancel(true);
147	–	} finally {
148	–	joinPool(p);
139		}
140		}
141
#	Line 155 | 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	<	Runnable task = new CheckedRunnable() {
159	>	final Runnable task = new CheckedRunnable() {
160		public void realRun() { done.countDown(); }};
161	<	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");
180	<	} finally {
181	<	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	<	Runnable task = new CheckedRunnable() {
191	<	public void realRun() { done.countDown(); }};
192	<	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");
208	<	} finally {
209	<	joinPool(p);
218	>	fail("unexpected execution rate");
219		}
220		}
221
#	Line 214 | 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	<
224	<	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		}
253	–
254	–	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		}
270	–	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		}
286	–	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		}
302	–	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		}
318	–	joinPool(se);
327		}
328
329		/**
#	Line 323 | Line 331 | public class ScheduledExecutorTest exten
331		* thread becomes active
332		*/
333		public void testGetActiveCount() throws InterruptedException {
326	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
327	–	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());
339	–	} finally {
340	–	done.countDown();
341	–	joinPool(p);
347		}
348		}
349
#	Line 348 | 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 370 | Line 375 | public class ScheduledExecutorTest exten
375		fail("timed out");
376		Thread.yield();
377		}
373	–	} finally {
374	–	joinPool(p);
378		}
379		}
380
#	Line 380 | 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 393 | 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));
406	<	assertEquals(THREADS, p.getLargestPoolSize());
407	<	} finally {
408	<	done.countDown();
409	<	joinPool(p);
409	>	await(threadsStarted);
410		assertEquals(THREADS, p.getLargestPoolSize());
411		}
412	+	assertEquals(THREADS, p.getLargestPoolSize());
413		}
414
415		/**
#	Line 419 | 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());
432	–	} finally {
433	–	done.countDown();
434	–	joinPool(p);
433		}
434		}
435
#	Line 440 | Line 438 | public class ScheduledExecutorTest exten
438		* submitted
439		*/
440		public void testGetTaskCount() throws InterruptedException {
441	<	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
444	<	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 {
458	<	done.countDown();
459	<	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 {
494	<	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 499 | Line 510 | public class ScheduledExecutorTest exten
510		* isShutdown is false before shutdown, true after
511		*/
512		public void testIsShutdown() {
513	<
514	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
515	<	try {
516	<	assertFalse(p.isShutdown());
517	<	}
518	<	finally {
519	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
513	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
514	>	assertFalse(p.isShutdown());
515	>	try (PoolCleaner cleaner = cleaner(p)) {
516	>	try {
517	>	p.shutdown();
518	>	assertTrue(p.isShutdown());
519	>	} catch (SecurityException ok) {}
520		}
510	–	assertTrue(p.isShutdown());
521		}
522
523		/**
#	Line 515 | Line 525 | public class ScheduledExecutorTest exten
525		*/
526		public void testIsTerminated() throws InterruptedException {
527		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
528	<	final CountDownLatch threadStarted = new CountDownLatch(1);
529	<	final CountDownLatch done = new CountDownLatch(1);
530	<	assertFalse(p.isTerminated());
531	<	try {
528	>	try (PoolCleaner cleaner = cleaner(p)) {
529	>	final CountDownLatch threadStarted = new CountDownLatch(1);
530	>	final CountDownLatch done = new CountDownLatch(1);
531	>	assertFalse(p.isTerminated());
532		p.execute(new CheckedRunnable() {
533		public void realRun() throws InterruptedException {
534		assertFalse(p.isTerminated());
535		threadStarted.countDown();
536	<	done.await();
536	>	await(done);
537		}});
538	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
538	>	await(threadStarted);
539		assertFalse(p.isTerminating());
540		done.countDown();
531	–	} finally {
541		try { p.shutdown(); } catch (SecurityException ok) { return; }
542	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
543	+	assertTrue(p.isTerminated());
544		}
534	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
535	–	assertTrue(p.isTerminated());
545		}
546
547		/**
#	Line 542 | Line 551 | public class ScheduledExecutorTest exten
551		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
552		final CountDownLatch threadStarted = new CountDownLatch(1);
553		final CountDownLatch done = new CountDownLatch(1);
554	<	try {
554	>	try (PoolCleaner cleaner = cleaner(p)) {
555		assertFalse(p.isTerminating());
556		p.execute(new CheckedRunnable() {
557		public void realRun() throws InterruptedException {
558		assertFalse(p.isTerminating());
559		threadStarted.countDown();
560	<	done.await();
560	>	await(done);
561		}});
562	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
562	>	await(threadStarted);
563		assertFalse(p.isTerminating());
564		done.countDown();
556	–	} finally {
565		try { p.shutdown(); } catch (SecurityException ok) { return; }
566	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
567	+	assertTrue(p.isTerminated());
568	+	assertFalse(p.isTerminating());
569		}
559	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
560	–	assertTrue(p.isTerminated());
561	–	assertFalse(p.isTerminating());
570		}
571
572		/**
573		* getQueue returns the work queue, which contains queued tasks
574		*/
575		public void testGetQueue() throws InterruptedException {
568	–	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
569	–	final CountDownLatch threadStarted = new CountDownLatch(1);
576		final CountDownLatch done = new CountDownLatch(1);
577	<	try {
577	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
578	>	try (PoolCleaner cleaner = cleaner(p, done)) {
579	>	final CountDownLatch threadStarted = new CountDownLatch(1);
580		ScheduledFuture[] tasks = new ScheduledFuture[5];
581		for (int i = 0; i < tasks.length; i++) {
582		Runnable r = new CheckedRunnable() {
583		public void realRun() throws InterruptedException {
584		threadStarted.countDown();
585	<	done.await();
585	>	await(done);
586		}};
587		tasks[i] = p.schedule(r, 1, MILLISECONDS);
588		}
589	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
589	>	await(threadStarted);
590		BlockingQueue<Runnable> q = p.getQueue();
591		assertTrue(q.contains(tasks[tasks.length - 1]));
592		assertFalse(q.contains(tasks[0]));
585	–	} finally {
586	–	done.countDown();
587	–	joinPool(p);
593		}
594		}
595
#	Line 592 | Line 597 | public class ScheduledExecutorTest exten
597		* remove(task) removes queued task, and fails to remove active task
598		*/
599		public void testRemove() throws InterruptedException {
595	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
596	–	ScheduledFuture[] tasks = new ScheduledFuture[5];
597	–	final CountDownLatch threadStarted = new CountDownLatch(1);
600		final CountDownLatch done = new CountDownLatch(1);
601	<	try {
601	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
602	>	try (PoolCleaner cleaner = cleaner(p, done)) {
603	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
604	>	final CountDownLatch threadStarted = new CountDownLatch(1);
605		for (int i = 0; i < tasks.length; i++) {
606		Runnable r = new CheckedRunnable() {
607		public void realRun() throws InterruptedException {
608		threadStarted.countDown();
609	<	done.await();
609	>	await(done);
610		}};
611		tasks[i] = p.schedule(r, 1, MILLISECONDS);
612		}
613	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
613	>	await(threadStarted);
614		BlockingQueue<Runnable> q = p.getQueue();
615		assertFalse(p.remove((Runnable)tasks[0]));
616		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 616 | Line 621 | public class ScheduledExecutorTest exten
621		assertTrue(q.contains((Runnable)tasks[3]));
622		assertTrue(p.remove((Runnable)tasks[3]));
623		assertFalse(q.contains((Runnable)tasks[3]));
619	–	} finally {
620	–	done.countDown();
621	–	joinPool(p);
624		}
625		}
626
#	Line 626 | Line 628 | public class ScheduledExecutorTest exten
628		* purge eventually removes cancelled tasks from the queue
629		*/
630		public void testPurge() throws InterruptedException {
631	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
632	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
633	<	for (int i = 0; i < tasks.length; i++)
634	<	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
635	<	LONG_DELAY_MS, MILLISECONDS);
636	<	try {
631	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
632	>	final Runnable releaser = new Runnable() { public void run() {
633	>	for (ScheduledFuture task : tasks)
634	>	if (task != null) task.cancel(true); }};
635	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
636	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
637	>	for (int i = 0; i < tasks.length; i++)
638	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
639	>	LONG_DELAY_MS, MILLISECONDS);
640		int max = tasks.length;
641		if (tasks[4].cancel(true)) --max;
642		if (tasks[3].cancel(true)) --max;
#	Line 643 | Line 648 | public class ScheduledExecutorTest exten
648		long count = p.getTaskCount();
649		if (count == max)
650		return;
651	<	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
651	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
652		fail("Purge failed to remove cancelled tasks");
648	–	} finally {
649	–	for (ScheduledFuture task : tasks)
650	–	task.cancel(true);
651	–	joinPool(p);
653		}
654		}
655
#	Line 662 | Line 663 | public class ScheduledExecutorTest exten
663		final AtomicInteger ran = new AtomicInteger(0);
664		final ScheduledThreadPoolExecutor p =
665		new ScheduledThreadPoolExecutor(poolSize);
666	<	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
666	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
667		Runnable waiter = new CheckedRunnable() { public void realRun() {
668		threadsStarted.countDown();
669		try {
#	Line 672 | Line 673 | public class ScheduledExecutorTest exten
673		}};
674		for (int i = 0; i < count; i++)
675		p.execute(waiter);
676	<	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
676	>	await(threadsStarted);
677		assertEquals(poolSize, p.getActiveCount());
678		assertEquals(0, p.getCompletedTaskCount());
679		final List<Runnable> queuedTasks;
#	Line 695 | Line 696 | public class ScheduledExecutorTest exten
696		* and those tasks are drained from the queue
697		*/
698		public void testShutdownNow_delayedTasks() throws InterruptedException {
699	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
699	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
700		List<ScheduledFuture> tasks = new ArrayList<>();
701		for (int i = 0; i < 3; i++) {
702		Runnable r = new NoOpRunnable();
#	Line 822 | Line 823 | public class ScheduledExecutorTest exten
823		* completed submit of callable returns result
824		*/
825		public void testSubmitCallable() throws Exception {
826	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
827	<	try {
826	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
827	>	try (PoolCleaner cleaner = cleaner(e)) {
828		Future<String> future = e.submit(new StringTask());
829		String result = future.get();
830		assertSame(TEST_STRING, result);
830	–	} finally {
831	–	joinPool(e);
831		}
832		}
833
#	Line 836 | Line 835 | public class ScheduledExecutorTest exten
835		* completed submit of runnable returns successfully
836		*/
837		public void testSubmitRunnable() throws Exception {
838	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
839	<	try {
838	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
839	>	try (PoolCleaner cleaner = cleaner(e)) {
840		Future<?> future = e.submit(new NoOpRunnable());
841		future.get();
842		assertTrue(future.isDone());
844	–	} finally {
845	–	joinPool(e);
843		}
844		}
845
#	Line 850 | Line 847 | public class ScheduledExecutorTest exten
847		* completed submit of (runnable, result) returns result
848		*/
849		public void testSubmitRunnable2() throws Exception {
850	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
851	<	try {
850	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
851	>	try (PoolCleaner cleaner = cleaner(e)) {
852		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
853		String result = future.get();
854		assertSame(TEST_STRING, result);
858	–	} finally {
859	–	joinPool(e);
855		}
856		}
857
#	Line 864 | Line 859 | public class ScheduledExecutorTest exten
859		* invokeAny(null) throws NPE
860		*/
861		public void testInvokeAny1() throws Exception {
862	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
863	<	try {
864	<	e.invokeAny(null);
865	<	shouldThrow();
866	<	} catch (NullPointerException success) {
867	<	} finally {
873	<	joinPool(e);
862	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
863	>	try (PoolCleaner cleaner = cleaner(e)) {
864	>	try {
865	>	e.invokeAny(null);
866	>	shouldThrow();
867	>	} catch (NullPointerException success) {}
868		}
869		}
870
#	Line 878 | Line 872 | public class ScheduledExecutorTest exten
872		* invokeAny(empty collection) throws IAE
873		*/
874		public void testInvokeAny2() throws Exception {
875	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
876	<	try {
877	<	e.invokeAny(new ArrayList<Callable<String>>());
878	<	shouldThrow();
879	<	} catch (IllegalArgumentException success) {
880	<	} finally {
887	<	joinPool(e);
875	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
876	>	try (PoolCleaner cleaner = cleaner(e)) {
877	>	try {
878	>	e.invokeAny(new ArrayList<Callable<String>>());
879	>	shouldThrow();
880	>	} catch (IllegalArgumentException success) {}
881		}
882		}
883
#	Line 893 | Line 886 | public class ScheduledExecutorTest exten
886		*/
887		public void testInvokeAny3() throws Exception {
888		CountDownLatch latch = new CountDownLatch(1);
889	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
890	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
891	<	l.add(latchAwaitingStringTask(latch));
892	<	l.add(null);
893	<	try {
894	<	e.invokeAny(l);
895	<	shouldThrow();
896	<	} catch (NullPointerException success) {
897	<	} finally {
889	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
890	>	try (PoolCleaner cleaner = cleaner(e)) {
891	>	List<Callable<String>> l = new ArrayList<>();
892	>	l.add(latchAwaitingStringTask(latch));
893	>	l.add(null);
894	>	try {
895	>	e.invokeAny(l);
896	>	shouldThrow();
897	>	} catch (NullPointerException success) {}
898		latch.countDown();
906	–	joinPool(e);
899		}
900		}
901
#	Line 911 | Line 903 | public class ScheduledExecutorTest exten
903		* invokeAny(c) throws ExecutionException if no task completes
904		*/
905		public void testInvokeAny4() throws Exception {
906	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
908	<	l.add(new NPETask());
909	<	try {
910	<	e.invokeAny(l);
911	<	shouldThrow();
912	<	} catch (ExecutionException success) {
913	<	assertTrue(success.getCause() instanceof NullPointerException);
914	<	} finally {
915	<	joinPool(e);
906	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	>	try (PoolCleaner cleaner = cleaner(e)) {
908	>	List<Callable<String>> l = new ArrayList<>();
909	>	l.add(new NPETask());
910	>	try {
911	>	e.invokeAny(l);
912	>	shouldThrow();
913	>	} catch (ExecutionException success) {
914	>	assertTrue(success.getCause() instanceof NullPointerException);
915	>	}
916		}
917		}
918
#	Line 928 | Line 920 | public class ScheduledExecutorTest exten
920		* invokeAny(c) returns result of some task
921		*/
922		public void testInvokeAny5() throws Exception {
923	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
924	<	try {
925	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
923	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
924	>	try (PoolCleaner cleaner = cleaner(e)) {
925	>	List<Callable<String>> l = new ArrayList<>();
926		l.add(new StringTask());
927		l.add(new StringTask());
928		String result = e.invokeAny(l);
929		assertSame(TEST_STRING, result);
938	–	} finally {
939	–	joinPool(e);
930		}
931		}
932
#	Line 944 | Line 934 | public class ScheduledExecutorTest exten
934		* invokeAll(null) throws NPE
935		*/
936		public void testInvokeAll1() throws Exception {
937	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
938	<	try {
939	<	e.invokeAll(null);
940	<	shouldThrow();
941	<	} catch (NullPointerException success) {
942	<	} finally {
953	<	joinPool(e);
937	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
938	>	try (PoolCleaner cleaner = cleaner(e)) {
939	>	try {
940	>	e.invokeAll(null);
941	>	shouldThrow();
942	>	} catch (NullPointerException success) {}
943		}
944		}
945
#	Line 958 | Line 947 | public class ScheduledExecutorTest exten
947		* invokeAll(empty collection) returns empty collection
948		*/
949		public void testInvokeAll2() throws Exception {
950	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
951	<	try {
950	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
951	>	try (PoolCleaner cleaner = cleaner(e)) {
952		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
953		assertTrue(r.isEmpty());
965	–	} finally {
966	–	joinPool(e);
954		}
955		}
956
#	Line 971 | Line 958 | public class ScheduledExecutorTest exten
958		* invokeAll(c) throws NPE if c has null elements
959		*/
960		public void testInvokeAll3() throws Exception {
961	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
962	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
963	<	l.add(new StringTask());
964	<	l.add(null);
965	<	try {
966	<	e.invokeAll(l);
967	<	shouldThrow();
968	<	} catch (NullPointerException success) {
969	<	} finally {
983	<	joinPool(e);
961	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
962	>	try (PoolCleaner cleaner = cleaner(e)) {
963	>	List<Callable<String>> l = new ArrayList<>();
964	>	l.add(new StringTask());
965	>	l.add(null);
966	>	try {
967	>	e.invokeAll(l);
968	>	shouldThrow();
969	>	} catch (NullPointerException success) {}
970		}
971		}
972
#	Line 988 | Line 974 | public class ScheduledExecutorTest exten
974		* get of invokeAll(c) throws exception on failed task
975		*/
976		public void testInvokeAll4() throws Exception {
977	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
978	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
979	<	l.add(new NPETask());
980	<	List<Future<String>> futures = e.invokeAll(l);
981	<	assertEquals(1, futures.size());
982	<	try {
983	<	futures.get(0).get();
984	<	shouldThrow();
985	<	} catch (ExecutionException success) {
986	<	assertTrue(success.getCause() instanceof NullPointerException);
987	<	} finally {
988	<	joinPool(e);
977	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
978	>	try (PoolCleaner cleaner = cleaner(e)) {
979	>	List<Callable<String>> l = new ArrayList<>();
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	>	}
989		}
990		}
991
#	Line 1007 | Line 993 | public class ScheduledExecutorTest exten
993		* invokeAll(c) returns results of all completed tasks
994		*/
995		public void testInvokeAll5() throws Exception {
996	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
997	<	try {
998	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
996	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
997	>	try (PoolCleaner cleaner = cleaner(e)) {
998	>	List<Callable<String>> l = new ArrayList<>();
999		l.add(new StringTask());
1000		l.add(new StringTask());
1001		List<Future<String>> futures = e.invokeAll(l);
1002		assertEquals(2, futures.size());
1003		for (Future<String> future : futures)
1004		assertSame(TEST_STRING, future.get());
1019	–	} finally {
1020	–	joinPool(e);
1005		}
1006		}
1007
#	Line 1025 | Line 1009 | public class ScheduledExecutorTest exten
1009		* timed invokeAny(null) throws NPE
1010		*/
1011		public void testTimedInvokeAny1() throws Exception {
1012	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1013	<	try {
1014	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1015	<	shouldThrow();
1016	<	} catch (NullPointerException success) {
1017	<	} finally {
1034	<	joinPool(e);
1012	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1013	>	try (PoolCleaner cleaner = cleaner(e)) {
1014	>	try {
1015	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1016	>	shouldThrow();
1017	>	} catch (NullPointerException success) {}
1018		}
1019		}
1020
#	Line 1039 | Line 1022 | public class ScheduledExecutorTest exten
1022		* timed invokeAny(,,null) throws NPE
1023		*/
1024		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1025	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1026	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1027	<	l.add(new StringTask());
1028	<	try {
1029	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1030	<	shouldThrow();
1031	<	} catch (NullPointerException success) {
1032	<	} finally {
1050	<	joinPool(e);
1025	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1026	>	try (PoolCleaner cleaner = cleaner(e)) {
1027	>	List<Callable<String>> l = new ArrayList<>();
1028	>	l.add(new StringTask());
1029	>	try {
1030	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1031	>	shouldThrow();
1032	>	} catch (NullPointerException success) {}
1033		}
1034		}
1035
#	Line 1055 | Line 1037 | public class ScheduledExecutorTest exten
1037		* timed invokeAny(empty collection) throws IAE
1038		*/
1039		public void testTimedInvokeAny2() throws Exception {
1040	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	<	try {
1042	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1043	<	shouldThrow();
1044	<	} catch (IllegalArgumentException success) {
1045	<	} finally {
1064	<	joinPool(e);
1040	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	>	try (PoolCleaner cleaner = cleaner(e)) {
1042	>	try {
1043	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1044	>	shouldThrow();
1045	>	} catch (IllegalArgumentException success) {}
1046		}
1047		}
1048
#	Line 1070 | Line 1051 | public class ScheduledExecutorTest exten
1051		*/
1052		public void testTimedInvokeAny3() throws Exception {
1053		CountDownLatch latch = new CountDownLatch(1);
1054	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1055	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1056	<	l.add(latchAwaitingStringTask(latch));
1057	<	l.add(null);
1058	<	try {
1059	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1060	<	shouldThrow();
1061	<	} catch (NullPointerException success) {
1062	<	} finally {
1054	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1055	>	try (PoolCleaner cleaner = cleaner(e)) {
1056	>	List<Callable<String>> l = new ArrayList<>();
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		latch.countDown();
1083	–	joinPool(e);
1064		}
1065		}
1066
#	Line 1088 | Line 1068 | public class ScheduledExecutorTest exten
1068		* timed invokeAny(c) throws ExecutionException if no task completes
1069		*/
1070		public void testTimedInvokeAny4() throws Exception {
1071	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1073	<	l.add(new NPETask());
1074	<	try {
1075	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1076	<	shouldThrow();
1077	<	} catch (ExecutionException success) {
1078	<	assertTrue(success.getCause() instanceof NullPointerException);
1079	<	} finally {
1080	<	joinPool(e);
1071	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	>	try (PoolCleaner cleaner = cleaner(e)) {
1073	>	long startTime = System.nanoTime();
1074	>	List<Callable<String>> l = new ArrayList<>();
1075	>	l.add(new NPETask());
1076	>	try {
1077	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1078	>	shouldThrow();
1079	>	} catch (ExecutionException success) {
1080	>	assertTrue(success.getCause() instanceof NullPointerException);
1081	>	}
1082	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1083		}
1084		}
1085
#	Line 1105 | Line 1087 | public class ScheduledExecutorTest exten
1087		* timed invokeAny(c) returns result of some task
1088		*/
1089		public void testTimedInvokeAny5() throws Exception {
1090	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1091	<	try {
1092	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1090	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1091	>	try (PoolCleaner cleaner = cleaner(e)) {
1092	>	long startTime = System.nanoTime();
1093	>	List<Callable<String>> l = new ArrayList<>();
1094		l.add(new StringTask());
1095		l.add(new StringTask());
1096	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1096	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1097		assertSame(TEST_STRING, result);
1098	<	} finally {
1116	<	joinPool(e);
1098	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1099		}
1100		}
1101
#	Line 1121 | Line 1103 | public class ScheduledExecutorTest exten
1103		* timed invokeAll(null) throws NPE
1104		*/
1105		public void testTimedInvokeAll1() throws Exception {
1106	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1107	<	try {
1108	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1109	<	shouldThrow();
1110	<	} catch (NullPointerException success) {
1111	<	} finally {
1130	<	joinPool(e);
1106	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1107	>	try (PoolCleaner cleaner = cleaner(e)) {
1108	>	try {
1109	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1110	>	shouldThrow();
1111	>	} catch (NullPointerException success) {}
1112		}
1113		}
1114
#	Line 1135 | Line 1116 | public class ScheduledExecutorTest exten
1116		* timed invokeAll(,,null) throws NPE
1117		*/
1118		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1119	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1120	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1121	<	l.add(new StringTask());
1122	<	try {
1123	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1124	<	shouldThrow();
1125	<	} catch (NullPointerException success) {
1126	<	} finally {
1146	<	joinPool(e);
1119	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1120	>	try (PoolCleaner cleaner = cleaner(e)) {
1121	>	List<Callable<String>> l = new ArrayList<>();
1122	>	l.add(new StringTask());
1123	>	try {
1124	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1125	>	shouldThrow();
1126	>	} catch (NullPointerException success) {}
1127		}
1128		}
1129
#	Line 1151 | Line 1131 | public class ScheduledExecutorTest exten
1131		* timed invokeAll(empty collection) returns empty collection
1132		*/
1133		public void testTimedInvokeAll2() throws Exception {
1134	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1135	<	try {
1136	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1134	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1135	>	try (PoolCleaner cleaner = cleaner(e)) {
1136	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1137	>	MEDIUM_DELAY_MS, MILLISECONDS);
1138		assertTrue(r.isEmpty());
1158	–	} finally {
1159	–	joinPool(e);
1139		}
1140		}
1141
#	Line 1164 | Line 1143 | public class ScheduledExecutorTest exten
1143		* timed invokeAll(c) throws NPE if c has null elements
1144		*/
1145		public void testTimedInvokeAll3() throws Exception {
1146	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1147	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1148	<	l.add(new StringTask());
1149	<	l.add(null);
1150	<	try {
1151	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1152	<	shouldThrow();
1153	<	} catch (NullPointerException success) {
1154	<	} finally {
1176	<	joinPool(e);
1146	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1147	>	try (PoolCleaner cleaner = cleaner(e)) {
1148	>	List<Callable<String>> l = new ArrayList<>();
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		}
1156		}
1157
#	Line 1181 | Line 1159 | public class ScheduledExecutorTest exten
1159		* get of element of invokeAll(c) throws exception on failed task
1160		*/
1161		public void testTimedInvokeAll4() throws Exception {
1162	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1163	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1164	<	l.add(new NPETask());
1165	<	List<Future<String>> futures =
1166	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1167	<	assertEquals(1, futures.size());
1168	<	try {
1169	<	futures.get(0).get();
1170	<	shouldThrow();
1171	<	} catch (ExecutionException success) {
1172	<	assertTrue(success.getCause() instanceof NullPointerException);
1173	<	} finally {
1174	<	joinPool(e);
1162	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1163	>	try (PoolCleaner cleaner = cleaner(e)) {
1164	>	List<Callable<String>> l = new ArrayList<>();
1165	>	l.add(new NPETask());
1166	>	List<Future<String>> futures =
1167	>	e.invokeAll(l, LONG_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	>	}
1175		}
1176		}
1177
#	Line 1201 | Line 1179 | public class ScheduledExecutorTest exten
1179		* timed invokeAll(c) returns results of all completed tasks
1180		*/
1181		public void testTimedInvokeAll5() throws Exception {
1182	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1183	<	try {
1184	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1182	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1183	>	try (PoolCleaner cleaner = cleaner(e)) {
1184	>	List<Callable<String>> l = new ArrayList<>();
1185		l.add(new StringTask());
1186		l.add(new StringTask());
1187		List<Future<String>> futures =
1188	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1188	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1189		assertEquals(2, futures.size());
1190		for (Future<String> future : futures)
1191		assertSame(TEST_STRING, future.get());
1214	–	} finally {
1215	–	joinPool(e);
1192		}
1193		}
1194
#	Line 1220 | Line 1196 | public class ScheduledExecutorTest exten
1196		* timed invokeAll(c) cancels tasks not completed by timeout
1197		*/
1198		public void testTimedInvokeAll6() throws Exception {
1199	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1200	<	try {
1201	<	for (long timeout = timeoutMillis();;) {
1199	>	for (long timeout = timeoutMillis();;) {
1200	>	final CountDownLatch done = new CountDownLatch(1);
1201	>	final Callable<String> waiter = new CheckedCallable<String>() {
1202	>	public String realCall() {
1203	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1204	>	catch (InterruptedException ok) {}
1205	>	return "1"; }};
1206	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1207	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1208		List<Callable<String>> tasks = new ArrayList<>();
1209		tasks.add(new StringTask("0"));
1210	<	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1210	>	tasks.add(waiter);
1211		tasks.add(new StringTask("2"));
1212		long startTime = System.nanoTime();
1213		List<Future<String>> futures =
1214	<	e.invokeAll(tasks, timeout, MILLISECONDS);
1214	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1215		assertEquals(tasks.size(), futures.size());
1216		assertTrue(millisElapsedSince(startTime) >= timeout);
1217		for (Future future : futures)
#	Line 1245 | Line 1227 | public class ScheduledExecutorTest exten
1227		fail("expected exactly one task to be cancelled");
1228		}
1229		}
1230	<	} finally {
1231	<	joinPool(e);
1230	>	}
1231	>	}
1232	>
1233	>	/**
1234	>	* A fixed delay task with overflowing period should not prevent a
1235	>	* one-shot task from executing.
1236	>	* https://bugs.openjdk.java.net/browse/JDK-8051859
1237	>	*/
1238	>	public void testScheduleWithFixedDelay_overflow() throws Exception {
1239	>	final CountDownLatch delayedDone = new CountDownLatch(1);
1240	>	final CountDownLatch immediateDone = new CountDownLatch(1);
1241	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1242	>	try (PoolCleaner cleaner = cleaner(p)) {
1243	>	final Runnable immediate = new Runnable() { public void run() {
1244	>	immediateDone.countDown();
1245	>	}};
1246	>	final Runnable delayed = new Runnable() { public void run() {
1247	>	delayedDone.countDown();
1248	>	p.submit(immediate);
1249	>	}};
1250	>	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1251	>	await(delayedDone);
1252	>	await(immediateDone);
1253		}
1254		}
1255

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