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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 1.87 by jsr166, Sat Mar 25 23:35:15 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	>	await(done);
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 {
363		threadStarted.countDown();
364		assertEquals(0, p.getCompletedTaskCount());
365	<	threadProceed.await();
365	>	await(threadProceed);
366		threadDone.countDown();
367		}});
368		await(threadStarted);
369		assertEquals(0, p.getCompletedTaskCount());
370		threadProceed.countDown();
371	<	threadDone.await();
371	>	await(threadDone);
372		long startTime = System.nanoTime();
373		while (p.getCompletedTaskCount() != 1) {
374		if (millisElapsedSince(startTime) > LONG_DELAY_MS)
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 {
506	<	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	>
509	>	/**
510	>	* The default rejected execution handler is AbortPolicy.
511	>	*/
512	>	public void testDefaultRejectedExecutionHandler() {
513	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
514	>	try (PoolCleaner cleaner = cleaner(p)) {
515	>	assertTrue(p.getRejectedExecutionHandler()
516	>	instanceof ThreadPoolExecutor.AbortPolicy);
517		}
518		}
519
#	Line 499 | Line 521 | public class ScheduledExecutorTest exten
521		* isShutdown is false before shutdown, true after
522		*/
523		public void testIsShutdown() {
524	<
525	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
526	<	try {
527	<	assertFalse(p.isShutdown());
528	<	}
529	<	finally {
530	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
524	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
525	>	assertFalse(p.isShutdown());
526	>	try (PoolCleaner cleaner = cleaner(p)) {
527	>	try {
528	>	p.shutdown();
529	>	assertTrue(p.isShutdown());
530	>	} catch (SecurityException ok) {}
531		}
510	–	assertTrue(p.isShutdown());
532		}
533
534		/**
#	Line 515 | Line 536 | public class ScheduledExecutorTest exten
536		*/
537		public void testIsTerminated() throws InterruptedException {
538		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
539	<	final CountDownLatch threadStarted = new CountDownLatch(1);
540	<	final CountDownLatch done = new CountDownLatch(1);
541	<	assertFalse(p.isTerminated());
542	<	try {
539	>	try (PoolCleaner cleaner = cleaner(p)) {
540	>	final CountDownLatch threadStarted = new CountDownLatch(1);
541	>	final CountDownLatch done = new CountDownLatch(1);
542	>	assertFalse(p.isTerminated());
543		p.execute(new CheckedRunnable() {
544		public void realRun() throws InterruptedException {
545		assertFalse(p.isTerminated());
546		threadStarted.countDown();
547	<	done.await();
547	>	await(done);
548		}});
549	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
549	>	await(threadStarted);
550		assertFalse(p.isTerminating());
551		done.countDown();
531	–	} finally {
552		try { p.shutdown(); } catch (SecurityException ok) { return; }
553	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
554	+	assertTrue(p.isTerminated());
555		}
534	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
535	–	assertTrue(p.isTerminated());
556		}
557
558		/**
#	Line 542 | Line 562 | public class ScheduledExecutorTest exten
562		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
563		final CountDownLatch threadStarted = new CountDownLatch(1);
564		final CountDownLatch done = new CountDownLatch(1);
565	<	try {
565	>	try (PoolCleaner cleaner = cleaner(p)) {
566		assertFalse(p.isTerminating());
567		p.execute(new CheckedRunnable() {
568		public void realRun() throws InterruptedException {
569		assertFalse(p.isTerminating());
570		threadStarted.countDown();
571	<	done.await();
571	>	await(done);
572		}});
573	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
573	>	await(threadStarted);
574		assertFalse(p.isTerminating());
575		done.countDown();
556	–	} finally {
576		try { p.shutdown(); } catch (SecurityException ok) { return; }
577	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
578	+	assertTrue(p.isTerminated());
579	+	assertFalse(p.isTerminating());
580		}
559	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
560	–	assertTrue(p.isTerminated());
561	–	assertFalse(p.isTerminating());
581		}
582
583		/**
584		* getQueue returns the work queue, which contains queued tasks
585		*/
586		public void testGetQueue() throws InterruptedException {
568	–	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
569	–	final CountDownLatch threadStarted = new CountDownLatch(1);
587		final CountDownLatch done = new CountDownLatch(1);
588	<	try {
588	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
589	>	try (PoolCleaner cleaner = cleaner(p, done)) {
590	>	final CountDownLatch threadStarted = new CountDownLatch(1);
591		ScheduledFuture[] tasks = new ScheduledFuture[5];
592		for (int i = 0; i < tasks.length; i++) {
593		Runnable r = new CheckedRunnable() {
594		public void realRun() throws InterruptedException {
595		threadStarted.countDown();
596	<	done.await();
596	>	await(done);
597		}};
598		tasks[i] = p.schedule(r, 1, MILLISECONDS);
599		}
600	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
600	>	await(threadStarted);
601		BlockingQueue<Runnable> q = p.getQueue();
602		assertTrue(q.contains(tasks[tasks.length - 1]));
603		assertFalse(q.contains(tasks[0]));
585	–	} finally {
586	–	done.countDown();
587	–	joinPool(p);
604		}
605		}
606
#	Line 592 | Line 608 | public class ScheduledExecutorTest exten
608		* remove(task) removes queued task, and fails to remove active task
609		*/
610		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);
611		final CountDownLatch done = new CountDownLatch(1);
612	<	try {
612	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
613	>	try (PoolCleaner cleaner = cleaner(p, done)) {
614	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
615	>	final CountDownLatch threadStarted = new CountDownLatch(1);
616		for (int i = 0; i < tasks.length; i++) {
617		Runnable r = new CheckedRunnable() {
618		public void realRun() throws InterruptedException {
619		threadStarted.countDown();
620	<	done.await();
620	>	await(done);
621		}};
622		tasks[i] = p.schedule(r, 1, MILLISECONDS);
623		}
624	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
624	>	await(threadStarted);
625		BlockingQueue<Runnable> q = p.getQueue();
626		assertFalse(p.remove((Runnable)tasks[0]));
627		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 616 | Line 632 | public class ScheduledExecutorTest exten
632		assertTrue(q.contains((Runnable)tasks[3]));
633		assertTrue(p.remove((Runnable)tasks[3]));
634		assertFalse(q.contains((Runnable)tasks[3]));
619	–	} finally {
620	–	done.countDown();
621	–	joinPool(p);
635		}
636		}
637
#	Line 626 | Line 639 | public class ScheduledExecutorTest exten
639		* purge eventually removes cancelled tasks from the queue
640		*/
641		public void testPurge() throws InterruptedException {
642	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
643	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
644	<	for (int i = 0; i < tasks.length; i++)
645	<	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
646	<	LONG_DELAY_MS, MILLISECONDS);
647	<	try {
642	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
643	>	final Runnable releaser = new Runnable() { public void run() {
644	>	for (ScheduledFuture task : tasks)
645	>	if (task != null) task.cancel(true); }};
646	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
647	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
648	>	for (int i = 0; i < tasks.length; i++)
649	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
650	>	LONG_DELAY_MS, MILLISECONDS);
651		int max = tasks.length;
652		if (tasks[4].cancel(true)) --max;
653		if (tasks[3].cancel(true)) --max;
#	Line 643 | Line 659 | public class ScheduledExecutorTest exten
659		long count = p.getTaskCount();
660		if (count == max)
661		return;
662	<	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
662	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
663		fail("Purge failed to remove cancelled tasks");
648	–	} finally {
649	–	for (ScheduledFuture task : tasks)
650	–	task.cancel(true);
651	–	joinPool(p);
664		}
665		}
666
#	Line 662 | Line 674 | public class ScheduledExecutorTest exten
674		final AtomicInteger ran = new AtomicInteger(0);
675		final ScheduledThreadPoolExecutor p =
676		new ScheduledThreadPoolExecutor(poolSize);
677	<	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
677	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
678		Runnable waiter = new CheckedRunnable() { public void realRun() {
679		threadsStarted.countDown();
680		try {
#	Line 672 | Line 684 | public class ScheduledExecutorTest exten
684		}};
685		for (int i = 0; i < count; i++)
686		p.execute(waiter);
687	<	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
687	>	await(threadsStarted);
688		assertEquals(poolSize, p.getActiveCount());
689		assertEquals(0, p.getCompletedTaskCount());
690		final List<Runnable> queuedTasks;
#	Line 695 | Line 707 | public class ScheduledExecutorTest exten
707		* and those tasks are drained from the queue
708		*/
709		public void testShutdownNow_delayedTasks() throws InterruptedException {
710	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
710	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
711		List<ScheduledFuture> tasks = new ArrayList<>();
712		for (int i = 0; i < 3; i++) {
713		Runnable r = new NoOpRunnable();
#	Line 732 | Line 744 | public class ScheduledExecutorTest exten
744		* - setContinueExistingPeriodicTasksAfterShutdownPolicy
745		*/
746		public void testShutdown_cancellation() throws Exception {
747	<	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
748	<	for (Boolean policy : allBooleans)
747	>	final int UNSPECIFIED = 0, YES = 1, NO = 2;
748	>	for (int maybe : new int[] { UNSPECIFIED, YES, NO })
749		{
750		final int poolSize = 2;
751		final ScheduledThreadPoolExecutor p
752		= new ScheduledThreadPoolExecutor(poolSize);
753	<	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
754	<	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
755	<	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
756	<	if (policy != null) {
757	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
758	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
759	<	p.setRemoveOnCancelPolicy(policy);
753	>	final boolean effectiveDelayedPolicy  = (maybe != NO);
754	>	final boolean effectivePeriodicPolicy = (maybe == YES);
755	>	final boolean effectiveRemovePolicy   = (maybe == YES);
756	>	if (maybe != UNSPECIFIED) {
757	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(maybe == YES);
758	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(maybe == YES);
759	>	p.setRemoveOnCancelPolicy(maybe == YES);
760		}
761		assertEquals(effectiveDelayedPolicy,
762		p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
#	Line 761 | Line 773 | public class ScheduledExecutorTest exten
773		Runnable task = new CheckedRunnable() { public void realRun()
774		throws InterruptedException {
775		poolBlocked.countDown();
776	<	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
776	>	await(unblock);
777		ran.getAndIncrement();
778		}};
779		List<Future<?>> blockers = new ArrayList<>();
#	Line 769 | Line 781 | public class ScheduledExecutorTest exten
781		List<Future<?>> delayeds = new ArrayList<>();
782		for (int i = 0; i < poolSize; i++)
783		blockers.add(p.submit(task));
784	<	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
784	>	await(poolBlocked);
785
786	<	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
787	<	1, 1, MILLISECONDS));
788	<	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
789	<	1, 1, MILLISECONDS));
786	>	periodics.add(p.scheduleAtFixedRate(
787	>	countDowner(periodicLatch1), 1, 1, MILLISECONDS));
788	>	periodics.add(p.scheduleWithFixedDelay(
789	>	countDowner(periodicLatch2), 1, 1, MILLISECONDS));
790		delayeds.add(p.schedule(task, 1, MILLISECONDS));
791
792		assertTrue(p.getQueue().containsAll(periodics));
#	Line 796 | Line 808 | public class ScheduledExecutorTest exten
808		assertEquals(effectiveDelayedPolicy,
809		p.getQueue().containsAll(delayeds));
810		}
811	<	// Release all pool threads
800	<	unblock.countDown();
811	>	unblock.countDown();    // Release all pool threads
812
813	<	for (Future<?> delayed : delayeds) {
814	<	if (effectiveDelayedPolicy) {
804	<	assertNull(delayed.get());
805	<	}
806	<	}
813	>	if (effectiveDelayedPolicy)
814	>	for (Future<?> delayed : delayeds) assertNull(delayed.get());
815		if (effectivePeriodicPolicy) {
816	<	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
817	<	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
816	>	await(periodicLatch1);
817	>	await(periodicLatch2);
818		for (Future<?> periodic : periodics) {
819		assertTrue(periodic.cancel(false));
820		assertTrue(periodic.isCancelled());
821		assertTrue(periodic.isDone());
822		}
823		}
824	+	for (Future<?> blocker : blockers) assertNull(blocker.get());
825		assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
826		assertTrue(p.isTerminated());
827	+
828	+	for (Future<?> future : delayeds) {
829	+	assertTrue(effectiveDelayedPolicy ^ future.isCancelled());
830	+	assertTrue(future.isDone());
831	+	}
832	+	for (Future<?> future : periodics)
833	+	assertTrue(future.isCancelled());
834	+	for (Future<?> future : blockers)
835	+	assertNull(future.get());
836		assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
837		}}
838
#	Line 822 | Line 840 | public class ScheduledExecutorTest exten
840		* completed submit of callable returns result
841		*/
842		public void testSubmitCallable() throws Exception {
843	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
844	<	try {
843	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
844	>	try (PoolCleaner cleaner = cleaner(e)) {
845		Future<String> future = e.submit(new StringTask());
846		String result = future.get();
847		assertSame(TEST_STRING, result);
830	–	} finally {
831	–	joinPool(e);
848		}
849		}
850
#	Line 836 | Line 852 | public class ScheduledExecutorTest exten
852		* completed submit of runnable returns successfully
853		*/
854		public void testSubmitRunnable() throws Exception {
855	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
856	<	try {
855	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
856	>	try (PoolCleaner cleaner = cleaner(e)) {
857		Future<?> future = e.submit(new NoOpRunnable());
858		future.get();
859		assertTrue(future.isDone());
844	–	} finally {
845	–	joinPool(e);
860		}
861		}
862
#	Line 850 | Line 864 | public class ScheduledExecutorTest exten
864		* completed submit of (runnable, result) returns result
865		*/
866		public void testSubmitRunnable2() throws Exception {
867	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
868	<	try {
867	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
868	>	try (PoolCleaner cleaner = cleaner(e)) {
869		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
870		String result = future.get();
871		assertSame(TEST_STRING, result);
858	–	} finally {
859	–	joinPool(e);
872		}
873		}
874
#	Line 864 | Line 876 | public class ScheduledExecutorTest exten
876		* invokeAny(null) throws NPE
877		*/
878		public void testInvokeAny1() throws Exception {
879	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
880	<	try {
881	<	e.invokeAny(null);
882	<	shouldThrow();
883	<	} catch (NullPointerException success) {
884	<	} finally {
873	<	joinPool(e);
879	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
880	>	try (PoolCleaner cleaner = cleaner(e)) {
881	>	try {
882	>	e.invokeAny(null);
883	>	shouldThrow();
884	>	} catch (NullPointerException success) {}
885		}
886		}
887
#	Line 878 | Line 889 | public class ScheduledExecutorTest exten
889		* invokeAny(empty collection) throws IAE
890		*/
891		public void testInvokeAny2() throws Exception {
892	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
893	<	try {
894	<	e.invokeAny(new ArrayList<Callable<String>>());
895	<	shouldThrow();
896	<	} catch (IllegalArgumentException success) {
897	<	} finally {
887	<	joinPool(e);
892	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
893	>	try (PoolCleaner cleaner = cleaner(e)) {
894	>	try {
895	>	e.invokeAny(new ArrayList<Callable<String>>());
896	>	shouldThrow();
897	>	} catch (IllegalArgumentException success) {}
898		}
899		}
900
#	Line 893 | Line 903 | public class ScheduledExecutorTest exten
903		*/
904		public void testInvokeAny3() throws Exception {
905		CountDownLatch latch = new CountDownLatch(1);
906	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
908	<	l.add(latchAwaitingStringTask(latch));
909	<	l.add(null);
910	<	try {
911	<	e.invokeAny(l);
912	<	shouldThrow();
913	<	} catch (NullPointerException success) {
914	<	} finally {
906	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	>	try (PoolCleaner cleaner = cleaner(e)) {
908	>	List<Callable<String>> l = new ArrayList<>();
909	>	l.add(latchAwaitingStringTask(latch));
910	>	l.add(null);
911	>	try {
912	>	e.invokeAny(l);
913	>	shouldThrow();
914	>	} catch (NullPointerException success) {}
915		latch.countDown();
906	–	joinPool(e);
916		}
917		}
918
#	Line 911 | Line 920 | public class ScheduledExecutorTest exten
920		* invokeAny(c) throws ExecutionException if no task completes
921		*/
922		public void testInvokeAny4() throws Exception {
923	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
924	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
925	<	l.add(new NPETask());
926	<	try {
927	<	e.invokeAny(l);
928	<	shouldThrow();
929	<	} catch (ExecutionException success) {
930	<	assertTrue(success.getCause() instanceof NullPointerException);
931	<	} finally {
932	<	joinPool(e);
923	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
924	>	try (PoolCleaner cleaner = cleaner(e)) {
925	>	List<Callable<String>> l = new ArrayList<>();
926	>	l.add(new NPETask());
927	>	try {
928	>	e.invokeAny(l);
929	>	shouldThrow();
930	>	} catch (ExecutionException success) {
931	>	assertTrue(success.getCause() instanceof NullPointerException);
932	>	}
933		}
934		}
935
#	Line 928 | Line 937 | public class ScheduledExecutorTest exten
937		* invokeAny(c) returns result of some task
938		*/
939		public void testInvokeAny5() throws Exception {
940	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
941	<	try {
942	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
940	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
941	>	try (PoolCleaner cleaner = cleaner(e)) {
942	>	List<Callable<String>> l = new ArrayList<>();
943		l.add(new StringTask());
944		l.add(new StringTask());
945		String result = e.invokeAny(l);
946		assertSame(TEST_STRING, result);
938	–	} finally {
939	–	joinPool(e);
947		}
948		}
949
#	Line 944 | Line 951 | public class ScheduledExecutorTest exten
951		* invokeAll(null) throws NPE
952		*/
953		public void testInvokeAll1() throws Exception {
954	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
955	<	try {
956	<	e.invokeAll(null);
957	<	shouldThrow();
958	<	} catch (NullPointerException success) {
959	<	} finally {
953	<	joinPool(e);
954	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
955	>	try (PoolCleaner cleaner = cleaner(e)) {
956	>	try {
957	>	e.invokeAll(null);
958	>	shouldThrow();
959	>	} catch (NullPointerException success) {}
960		}
961		}
962
#	Line 958 | Line 964 | public class ScheduledExecutorTest exten
964		* invokeAll(empty collection) returns empty collection
965		*/
966		public void testInvokeAll2() throws Exception {
967	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
968	<	try {
967	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
968	>	try (PoolCleaner cleaner = cleaner(e)) {
969		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
970		assertTrue(r.isEmpty());
965	–	} finally {
966	–	joinPool(e);
971		}
972		}
973
#	Line 971 | Line 975 | public class ScheduledExecutorTest exten
975		* invokeAll(c) throws NPE if c has null elements
976		*/
977		public void testInvokeAll3() throws Exception {
978	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
979	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
980	<	l.add(new StringTask());
981	<	l.add(null);
982	<	try {
983	<	e.invokeAll(l);
984	<	shouldThrow();
985	<	} catch (NullPointerException success) {
986	<	} finally {
983	<	joinPool(e);
978	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
979	>	try (PoolCleaner cleaner = cleaner(e)) {
980	>	List<Callable<String>> l = new ArrayList<>();
981	>	l.add(new StringTask());
982	>	l.add(null);
983	>	try {
984	>	e.invokeAll(l);
985	>	shouldThrow();
986	>	} catch (NullPointerException success) {}
987		}
988		}
989
#	Line 988 | Line 991 | public class ScheduledExecutorTest exten
991		* get of invokeAll(c) throws exception on failed task
992		*/
993		public void testInvokeAll4() throws Exception {
994	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
995	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
996	<	l.add(new NPETask());
997	<	List<Future<String>> futures = e.invokeAll(l);
998	<	assertEquals(1, futures.size());
999	<	try {
1000	<	futures.get(0).get();
1001	<	shouldThrow();
1002	<	} catch (ExecutionException success) {
1003	<	assertTrue(success.getCause() instanceof NullPointerException);
1004	<	} finally {
1005	<	joinPool(e);
994	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
995	>	try (PoolCleaner cleaner = cleaner(e)) {
996	>	List<Callable<String>> l = new ArrayList<>();
997	>	l.add(new NPETask());
998	>	List<Future<String>> futures = e.invokeAll(l);
999	>	assertEquals(1, futures.size());
1000	>	try {
1001	>	futures.get(0).get();
1002	>	shouldThrow();
1003	>	} catch (ExecutionException success) {
1004	>	assertTrue(success.getCause() instanceof NullPointerException);
1005	>	}
1006		}
1007		}
1008
#	Line 1007 | Line 1010 | public class ScheduledExecutorTest exten
1010		* invokeAll(c) returns results of all completed tasks
1011		*/
1012		public void testInvokeAll5() throws Exception {
1013	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1014	<	try {
1015	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1013	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1014	>	try (PoolCleaner cleaner = cleaner(e)) {
1015	>	List<Callable<String>> l = new ArrayList<>();
1016		l.add(new StringTask());
1017		l.add(new StringTask());
1018		List<Future<String>> futures = e.invokeAll(l);
1019		assertEquals(2, futures.size());
1020		for (Future<String> future : futures)
1021		assertSame(TEST_STRING, future.get());
1019	–	} finally {
1020	–	joinPool(e);
1022		}
1023		}
1024
#	Line 1025 | Line 1026 | public class ScheduledExecutorTest exten
1026		* timed invokeAny(null) throws NPE
1027		*/
1028		public void testTimedInvokeAny1() throws Exception {
1029	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1030	<	try {
1031	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1032	<	shouldThrow();
1033	<	} catch (NullPointerException success) {
1034	<	} finally {
1034	<	joinPool(e);
1029	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1030	>	try (PoolCleaner cleaner = cleaner(e)) {
1031	>	try {
1032	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1033	>	shouldThrow();
1034	>	} catch (NullPointerException success) {}
1035		}
1036		}
1037
#	Line 1039 | Line 1039 | public class ScheduledExecutorTest exten
1039		* timed invokeAny(,,null) throws NPE
1040		*/
1041		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1042	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1043	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1044	<	l.add(new StringTask());
1045	<	try {
1046	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1047	<	shouldThrow();
1048	<	} catch (NullPointerException success) {
1049	<	} finally {
1050	<	joinPool(e);
1042	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1043	>	try (PoolCleaner cleaner = cleaner(e)) {
1044	>	List<Callable<String>> l = new ArrayList<>();
1045	>	l.add(new StringTask());
1046	>	try {
1047	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1048	>	shouldThrow();
1049	>	} catch (NullPointerException success) {}
1050		}
1051		}
1052
#	Line 1055 | Line 1054 | public class ScheduledExecutorTest exten
1054		* timed invokeAny(empty collection) throws IAE
1055		*/
1056		public void testTimedInvokeAny2() throws Exception {
1057	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1058	<	try {
1059	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1060	<	shouldThrow();
1061	<	} catch (IllegalArgumentException success) {
1062	<	} finally {
1064	<	joinPool(e);
1057	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1058	>	try (PoolCleaner cleaner = cleaner(e)) {
1059	>	try {
1060	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1061	>	shouldThrow();
1062	>	} catch (IllegalArgumentException success) {}
1063		}
1064		}
1065
#	Line 1070 | Line 1068 | public class ScheduledExecutorTest exten
1068		*/
1069		public void testTimedInvokeAny3() throws Exception {
1070		CountDownLatch latch = new CountDownLatch(1);
1071	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1073	<	l.add(latchAwaitingStringTask(latch));
1074	<	l.add(null);
1075	<	try {
1076	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1077	<	shouldThrow();
1078	<	} catch (NullPointerException success) {
1079	<	} finally {
1071	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	>	try (PoolCleaner cleaner = cleaner(e)) {
1073	>	List<Callable<String>> l = new ArrayList<>();
1074	>	l.add(latchAwaitingStringTask(latch));
1075	>	l.add(null);
1076	>	try {
1077	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1078	>	shouldThrow();
1079	>	} catch (NullPointerException success) {}
1080		latch.countDown();
1083	–	joinPool(e);
1081		}
1082		}
1083
#	Line 1088 | Line 1085 | public class ScheduledExecutorTest exten
1085		* timed invokeAny(c) throws ExecutionException if no task completes
1086		*/
1087		public void testTimedInvokeAny4() throws Exception {
1088	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1089	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1090	<	l.add(new NPETask());
1091	<	try {
1092	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1093	<	shouldThrow();
1094	<	} catch (ExecutionException success) {
1095	<	assertTrue(success.getCause() instanceof NullPointerException);
1096	<	} finally {
1097	<	joinPool(e);
1088	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1089	>	try (PoolCleaner cleaner = cleaner(e)) {
1090	>	long startTime = System.nanoTime();
1091	>	List<Callable<String>> l = new ArrayList<>();
1092	>	l.add(new NPETask());
1093	>	try {
1094	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1095	>	shouldThrow();
1096	>	} catch (ExecutionException success) {
1097	>	assertTrue(success.getCause() instanceof NullPointerException);
1098	>	}
1099	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1100		}
1101		}
1102
#	Line 1105 | Line 1104 | public class ScheduledExecutorTest exten
1104		* timed invokeAny(c) returns result of some task
1105		*/
1106		public void testTimedInvokeAny5() throws Exception {
1107	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1108	<	try {
1109	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1107	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1108	>	try (PoolCleaner cleaner = cleaner(e)) {
1109	>	long startTime = System.nanoTime();
1110	>	List<Callable<String>> l = new ArrayList<>();
1111		l.add(new StringTask());
1112		l.add(new StringTask());
1113	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1113	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1114		assertSame(TEST_STRING, result);
1115	<	} finally {
1116	<	joinPool(e);
1115	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1116		}
1117		}
1118
#	Line 1121 | Line 1120 | public class ScheduledExecutorTest exten
1120		* timed invokeAll(null) throws NPE
1121		*/
1122		public void testTimedInvokeAll1() throws Exception {
1123	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1124	<	try {
1125	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1126	<	shouldThrow();
1127	<	} catch (NullPointerException success) {
1128	<	} finally {
1130	<	joinPool(e);
1123	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1124	>	try (PoolCleaner cleaner = cleaner(e)) {
1125	>	try {
1126	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1127	>	shouldThrow();
1128	>	} catch (NullPointerException success) {}
1129		}
1130		}
1131
#	Line 1135 | Line 1133 | public class ScheduledExecutorTest exten
1133		* timed invokeAll(,,null) throws NPE
1134		*/
1135		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1136	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1138	<	l.add(new StringTask());
1139	<	try {
1140	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1141	<	shouldThrow();
1142	<	} catch (NullPointerException success) {
1143	<	} finally {
1146	<	joinPool(e);
1136	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	>	try (PoolCleaner cleaner = cleaner(e)) {
1138	>	List<Callable<String>> l = new ArrayList<>();
1139	>	l.add(new StringTask());
1140	>	try {
1141	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1142	>	shouldThrow();
1143	>	} catch (NullPointerException success) {}
1144		}
1145		}
1146
#	Line 1151 | Line 1148 | public class ScheduledExecutorTest exten
1148		* timed invokeAll(empty collection) returns empty collection
1149		*/
1150		public void testTimedInvokeAll2() throws Exception {
1151	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1152	<	try {
1153	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1151	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1152	>	try (PoolCleaner cleaner = cleaner(e)) {
1153	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1154	>	MEDIUM_DELAY_MS, MILLISECONDS);
1155		assertTrue(r.isEmpty());
1158	–	} finally {
1159	–	joinPool(e);
1156		}
1157		}
1158
#	Line 1164 | Line 1160 | public class ScheduledExecutorTest exten
1160		* timed invokeAll(c) throws NPE if c has null elements
1161		*/
1162		public void testTimedInvokeAll3() throws Exception {
1163	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1164	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1165	<	l.add(new StringTask());
1166	<	l.add(null);
1167	<	try {
1168	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1169	<	shouldThrow();
1170	<	} catch (NullPointerException success) {
1171	<	} finally {
1176	<	joinPool(e);
1163	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1164	>	try (PoolCleaner cleaner = cleaner(e)) {
1165	>	List<Callable<String>> l = new ArrayList<>();
1166	>	l.add(new StringTask());
1167	>	l.add(null);
1168	>	try {
1169	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1170	>	shouldThrow();
1171	>	} catch (NullPointerException success) {}
1172		}
1173		}
1174
#	Line 1181 | Line 1176 | public class ScheduledExecutorTest exten
1176		* get of element of invokeAll(c) throws exception on failed task
1177		*/
1178		public void testTimedInvokeAll4() throws Exception {
1179	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1180	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1181	<	l.add(new NPETask());
1182	<	List<Future<String>> futures =
1183	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1184	<	assertEquals(1, futures.size());
1185	<	try {
1186	<	futures.get(0).get();
1187	<	shouldThrow();
1188	<	} catch (ExecutionException success) {
1189	<	assertTrue(success.getCause() instanceof NullPointerException);
1190	<	} finally {
1191	<	joinPool(e);
1179	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1180	>	try (PoolCleaner cleaner = cleaner(e)) {
1181	>	List<Callable<String>> l = new ArrayList<>();
1182	>	l.add(new NPETask());
1183	>	List<Future<String>> futures =
1184	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1185	>	assertEquals(1, futures.size());
1186	>	try {
1187	>	futures.get(0).get();
1188	>	shouldThrow();
1189	>	} catch (ExecutionException success) {
1190	>	assertTrue(success.getCause() instanceof NullPointerException);
1191	>	}
1192		}
1193		}
1194
#	Line 1201 | Line 1196 | public class ScheduledExecutorTest exten
1196		* timed invokeAll(c) returns results of all completed tasks
1197		*/
1198		public void testTimedInvokeAll5() throws Exception {
1199	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1200	<	try {
1201	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1199	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1200	>	try (PoolCleaner cleaner = cleaner(e)) {
1201	>	List<Callable<String>> l = new ArrayList<>();
1202		l.add(new StringTask());
1203		l.add(new StringTask());
1204		List<Future<String>> futures =
1205	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1205	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1206		assertEquals(2, futures.size());
1207		for (Future<String> future : futures)
1208		assertSame(TEST_STRING, future.get());
1214	–	} finally {
1215	–	joinPool(e);
1209		}
1210		}
1211
#	Line 1220 | Line 1213 | public class ScheduledExecutorTest exten
1213		* timed invokeAll(c) cancels tasks not completed by timeout
1214		*/
1215		public void testTimedInvokeAll6() throws Exception {
1216	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1217	<	try {
1218	<	for (long timeout = timeoutMillis();;) {
1216	>	for (long timeout = timeoutMillis();;) {
1217	>	final CountDownLatch done = new CountDownLatch(1);
1218	>	final Callable<String> waiter = new CheckedCallable<String>() {
1219	>	public String realCall() {
1220	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1221	>	catch (InterruptedException ok) {}
1222	>	return "1"; }};
1223	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1224	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1225		List<Callable<String>> tasks = new ArrayList<>();
1226		tasks.add(new StringTask("0"));
1227	<	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1227	>	tasks.add(waiter);
1228		tasks.add(new StringTask("2"));
1229		long startTime = System.nanoTime();
1230		List<Future<String>> futures =
1231	<	e.invokeAll(tasks, timeout, MILLISECONDS);
1231	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1232		assertEquals(tasks.size(), futures.size());
1233		assertTrue(millisElapsedSince(startTime) >= timeout);
1234		for (Future future : futures)
#	Line 1245 | Line 1244 | public class ScheduledExecutorTest exten
1244		fail("expected exactly one task to be cancelled");
1245		}
1246		}
1247	<	} finally {
1248	<	joinPool(e);
1247	>	}
1248	>	}
1249	>
1250	>	/**
1251	>	* A fixed delay task with overflowing period should not prevent a
1252	>	* one-shot task from executing.
1253	>	* https://bugs.openjdk.java.net/browse/JDK-8051859
1254	>	*/
1255	>	public void testScheduleWithFixedDelay_overflow() throws Exception {
1256	>	final CountDownLatch delayedDone = new CountDownLatch(1);
1257	>	final CountDownLatch immediateDone = new CountDownLatch(1);
1258	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1259	>	try (PoolCleaner cleaner = cleaner(p)) {
1260	>	final Runnable immediate = new Runnable() { public void run() {
1261	>	immediateDone.countDown();
1262	>	}};
1263	>	final Runnable delayed = new Runnable() { public void run() {
1264	>	delayedDone.countDown();
1265	>	p.submit(immediate);
1266	>	}};
1267	>	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1268	>	await(delayedDone);
1269	>	await(immediateDone);
1270		}
1271		}
1272

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