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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.40 by jsr166, Sat May 7 19:34:51 2011 UTC vs.
Revision 1.75 by jsr166, Thu Oct 8 03:03:36 2015 UTC

#	Line 6 | Line 6
6		* Pat Fisher, Mike Judd.
7		*/
8
9	–	import junit.framework.*;
10	–	import java.util.*;
11	–	import java.util.concurrent.*;
9		import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	<	import java.util.concurrent.atomic.*;
10	>	import static java.util.concurrent.TimeUnit.SECONDS;
11	>
12	>	import java.util.ArrayList;
13	>	import java.util.HashSet;
14	>	import java.util.List;
15	>	import java.util.concurrent.BlockingQueue;
16	>	import java.util.concurrent.Callable;
17	>	import java.util.concurrent.CancellationException;
18	>	import java.util.concurrent.CountDownLatch;
19	>	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;
24	>	import java.util.concurrent.ScheduledFuture;
25	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
26	>	import java.util.concurrent.ThreadFactory;
27	>	import java.util.concurrent.ThreadPoolExecutor;
28	>	import java.util.concurrent.atomic.AtomicInteger;
29	>
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32
33		public class ScheduledExecutorTest extends JSR166TestCase {
34		public static void main(String[] args) {
35	<	junit.textui.TestRunner.run(suite());
35	>	main(suite(), args);
36		}
37		public static Test suite() {
38		return new TestSuite(ScheduledExecutorTest.class);
39		}
40
23	–
41		/**
42		* execute successfully executes a runnable
43		*/
44		public void testExecute() throws InterruptedException {
45	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
46	<	final CountDownLatch done = new CountDownLatch(1);
47	<	final Runnable task = new CheckedRunnable() {
48	<	public void realRun() {
49	<	done.countDown();
33	<	}};
34	<	try {
45	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
46	>	try (PoolCleaner cleaner = cleaner(p)) {
47	>	final CountDownLatch done = new CountDownLatch(1);
48	>	final Runnable task = new CheckedRunnable() {
49	>	public void realRun() { done.countDown(); }};
50		p.execute(task);
51	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
37	<	} finally {
38	<	joinPool(p);
51	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
52		}
53		}
54
42	–
55		/**
56		* delayed schedule of callable successfully executes after delay
57		*/
58		public void testSchedule1() throws Exception {
59	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
60	<	final long t0 = System.nanoTime();
61	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
62	<	final CountDownLatch done = new CountDownLatch(1);
51	<	try {
59	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
60	>	try (PoolCleaner cleaner = cleaner(p)) {
61	>	final long startTime = System.nanoTime();
62	>	final CountDownLatch done = new CountDownLatch(1);
63		Callable task = new CheckedCallable<Boolean>() {
64		public Boolean realCall() {
65		done.countDown();
66	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
66	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
67		return Boolean.TRUE;
68		}};
69	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
70	<	assertEquals(Boolean.TRUE, f.get());
71	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
69	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
70	>	assertSame(Boolean.TRUE, f.get());
71	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
72		assertTrue(done.await(0L, MILLISECONDS));
62	–	} finally {
63	–	joinPool(p);
73		}
74		}
75
#	Line 68 | Line 77 | public class ScheduledExecutorTest exten
77		* delayed schedule of runnable successfully executes after delay
78		*/
79		public void testSchedule3() throws Exception {
80	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
81	<	final long t0 = System.nanoTime();
82	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
83	<	final CountDownLatch done = new CountDownLatch(1);
75	<	try {
80	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
81	>	try (PoolCleaner cleaner = cleaner(p)) {
82	>	final long startTime = System.nanoTime();
83	>	final CountDownLatch done = new CountDownLatch(1);
84		Runnable task = new CheckedRunnable() {
85		public void realRun() {
86		done.countDown();
87	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
87	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
88		}};
89	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
90	<	assertNull(f.get());
91	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
92	<	assertTrue(done.await(0L, MILLISECONDS));
85	<	} finally {
86	<	joinPool(p);
89	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
90	>	await(done);
91	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
92	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
93		}
94		}
95
#	Line 91 | Line 97 | public class ScheduledExecutorTest exten
97		* scheduleAtFixedRate executes runnable after given initial delay
98		*/
99		public void testSchedule4() throws Exception {
100	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
101	<	final long t0 = System.nanoTime();
102	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
103	<	final CountDownLatch done = new CountDownLatch(1);
98	<	try {
100	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
101	>	try (PoolCleaner cleaner = cleaner(p)) {
102	>	final long startTime = System.nanoTime();
103	>	final CountDownLatch done = new CountDownLatch(1);
104		Runnable task = new CheckedRunnable() {
105		public void realRun() {
106		done.countDown();
107	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
107	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
108		}};
109		ScheduledFuture f =
110	<	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
111	<	SHORT_DELAY_MS, MILLISECONDS);
112	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
113	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
110	>	p.scheduleAtFixedRate(task, timeoutMillis(),
111	>	LONG_DELAY_MS, MILLISECONDS);
112	>	await(done);
113	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
114		f.cancel(true);
110	–	} finally {
111	–	joinPool(p);
115		}
116		}
117
118		/**
119		* scheduleWithFixedDelay executes runnable after given initial delay
120		*/
121	<	public void testSchedule5() throws InterruptedException {
122	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
123	<	final long t0 = System.nanoTime();
124	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
125	<	final CountDownLatch done = new CountDownLatch(1);
123	<	try {
121	>	public void testSchedule5() throws Exception {
122	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
123	>	try (PoolCleaner cleaner = cleaner(p)) {
124	>	final long startTime = System.nanoTime();
125	>	final CountDownLatch done = new CountDownLatch(1);
126		Runnable task = new CheckedRunnable() {
127		public void realRun() {
128		done.countDown();
129	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
129	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
130		}};
131		ScheduledFuture f =
132	<	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
133	<	SHORT_DELAY_MS, MILLISECONDS);
134	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
135	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
132	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
133	>	LONG_DELAY_MS, MILLISECONDS);
134	>	await(done);
135	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
136		f.cancel(true);
135	–	} finally {
136	–	joinPool(p);
137		}
138		}
139
#	Line 146 | Line 146 | public class ScheduledExecutorTest exten
146		* scheduleAtFixedRate executes series of tasks at given rate
147		*/
148		public void testFixedRateSequence() throws InterruptedException {
149	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
150	<	RunnableCounter counter = new RunnableCounter();
151	<	ScheduledFuture h =
152	<	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
153	<	delay(SMALL_DELAY_MS);
154	<	h.cancel(true);
155	<	int c = counter.count.get();
156	<	// By time scaling conventions, we must have at least
157	<	// an execution per SHORT delay, but no more than one SHORT more
158	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
159	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
160	<	joinPool(p);
149	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
150	>	try (PoolCleaner cleaner = cleaner(p)) {
151	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
152	>	long startTime = System.nanoTime();
153	>	int cycles = 10;
154	>	final CountDownLatch done = new CountDownLatch(cycles);
155	>	Runnable task = new CheckedRunnable() {
156	>	public void realRun() { done.countDown(); }};
157	>	ScheduledFuture h =
158	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
159	>	await(done);
160	>	h.cancel(true);
161	>	double normalizedTime =
162	>	(double) millisElapsedSince(startTime) / delay;
163	>	if (normalizedTime >= cycles - 1 &&
164	>	normalizedTime <= cycles)
165	>	return;
166	>	}
167	>	throw new AssertionError("unexpected execution rate");
168	>	}
169		}
170
171		/**
172		* scheduleWithFixedDelay executes series of tasks with given period
173		*/
174		public void testFixedDelaySequence() throws InterruptedException {
175	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
176	<	RunnableCounter counter = new RunnableCounter();
177	<	ScheduledFuture h =
178	<	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
179	<	delay(SMALL_DELAY_MS);
180	<	h.cancel(true);
181	<	int c = counter.count.get();
182	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
183	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
184	<	joinPool(p);
175	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
176	>	try (PoolCleaner cleaner = cleaner(p)) {
177	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
178	>	long startTime = System.nanoTime();
179	>	int cycles = 10;
180	>	final CountDownLatch done = new CountDownLatch(cycles);
181	>	Runnable task = new CheckedRunnable() {
182	>	public void realRun() { done.countDown(); }};
183	>	ScheduledFuture h =
184	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
185	>	await(done);
186	>	h.cancel(true);
187	>	double normalizedTime =
188	>	(double) millisElapsedSince(startTime) / delay;
189	>	if (normalizedTime >= cycles - 1 &&
190	>	normalizedTime <= cycles)
191	>	return;
192	>	}
193	>	throw new AssertionError("unexpected execution rate");
194	>	}
195		}
196
179	–
197		/**
198		* execute(null) throws NPE
199		*/
200		public void testExecuteNull() throws InterruptedException {
201	<	ScheduledThreadPoolExecutor se = null;
202	<	try {
203	<	se = new ScheduledThreadPoolExecutor(1);
204	<	se.execute(null);
205	<	shouldThrow();
206	<	} catch (NullPointerException success) {}
207	<
191	<	joinPool(se);
201	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
202	>	try (PoolCleaner cleaner = cleaner(p)) {
203	>	try {
204	>	p.execute(null);
205	>	shouldThrow();
206	>	} catch (NullPointerException success) {}
207	>	}
208		}
209
210		/**
211		* schedule(null) throws NPE
212		*/
213		public void testScheduleNull() throws InterruptedException {
214	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
215	<	try {
216	<	TrackedCallable callable = null;
217	<	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
218	<	shouldThrow();
219	<	} catch (NullPointerException success) {}
220	<	joinPool(se);
214	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
215	>	try (PoolCleaner cleaner = cleaner(p)) {
216	>	try {
217	>	TrackedCallable callable = null;
218	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
219	>	shouldThrow();
220	>	} catch (NullPointerException success) {}
221	>	}
222		}
223
224		/**
225		* execute throws RejectedExecutionException if shutdown
226		*/
227		public void testSchedule1_RejectedExecutionException() throws InterruptedException {
228	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
229	<	try {
230	<	se.shutdown();
231	<	se.schedule(new NoOpRunnable(),
232	<	MEDIUM_DELAY_MS, MILLISECONDS);
233	<	shouldThrow();
234	<	} catch (RejectedExecutionException success) {
235	<	} catch (SecurityException ok) {
228	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
229	>	try (PoolCleaner cleaner = cleaner(p)) {
230	>	try {
231	>	p.shutdown();
232	>	p.schedule(new NoOpRunnable(),
233	>	MEDIUM_DELAY_MS, MILLISECONDS);
234	>	shouldThrow();
235	>	} catch (RejectedExecutionException success) {
236	>	} catch (SecurityException ok) {}
237		}
220	–
221	–	joinPool(se);
238		}
239
240		/**
241		* schedule throws RejectedExecutionException if shutdown
242		*/
243		public void testSchedule2_RejectedExecutionException() throws InterruptedException {
244	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
245	<	try {
246	<	se.shutdown();
247	<	se.schedule(new NoOpCallable(),
248	<	MEDIUM_DELAY_MS, MILLISECONDS);
249	<	shouldThrow();
250	<	} catch (RejectedExecutionException success) {
251	<	} catch (SecurityException ok) {
244	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
245	>	try (PoolCleaner cleaner = cleaner(p)) {
246	>	try {
247	>	p.shutdown();
248	>	p.schedule(new NoOpCallable(),
249	>	MEDIUM_DELAY_MS, MILLISECONDS);
250	>	shouldThrow();
251	>	} catch (RejectedExecutionException success) {
252	>	} catch (SecurityException ok) {}
253		}
237	–	joinPool(se);
254		}
255
256		/**
257		* schedule callable throws RejectedExecutionException if shutdown
258		*/
259		public void testSchedule3_RejectedExecutionException() throws InterruptedException {
260	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
261	<	try {
262	<	se.shutdown();
263	<	se.schedule(new NoOpCallable(),
264	<	MEDIUM_DELAY_MS, MILLISECONDS);
265	<	shouldThrow();
266	<	} catch (RejectedExecutionException success) {
267	<	} catch (SecurityException ok) {
260	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
261	>	try (PoolCleaner cleaner = cleaner(p)) {
262	>	try {
263	>	p.shutdown();
264	>	p.schedule(new NoOpCallable(),
265	>	MEDIUM_DELAY_MS, MILLISECONDS);
266	>	shouldThrow();
267	>	} catch (RejectedExecutionException success) {
268	>	} catch (SecurityException ok) {}
269		}
253	–	joinPool(se);
270		}
271
272		/**
273		* scheduleAtFixedRate throws RejectedExecutionException if shutdown
274		*/
275		public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
276	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
277	<	try {
278	<	se.shutdown();
279	<	se.scheduleAtFixedRate(new NoOpRunnable(),
280	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
281	<	shouldThrow();
282	<	} catch (RejectedExecutionException success) {
283	<	} catch (SecurityException ok) {
276	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
277	>	try (PoolCleaner cleaner = cleaner(p)) {
278	>	try {
279	>	p.shutdown();
280	>	p.scheduleAtFixedRate(new NoOpRunnable(),
281	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
282	>	shouldThrow();
283	>	} catch (RejectedExecutionException success) {
284	>	} catch (SecurityException ok) {}
285		}
269	–	joinPool(se);
286		}
287
288		/**
289		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
290		*/
291		public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
292	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
293	<	try {
294	<	se.shutdown();
295	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
296	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
297	<	shouldThrow();
298	<	} catch (RejectedExecutionException success) {
299	<	} catch (SecurityException ok) {
292	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
293	>	try (PoolCleaner cleaner = cleaner(p)) {
294	>	try {
295	>	p.shutdown();
296	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
297	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
298	>	shouldThrow();
299	>	} catch (RejectedExecutionException success) {
300	>	} catch (SecurityException ok) {}
301		}
285	–	joinPool(se);
302		}
303
304		/**
#	Line 290 | Line 306 | public class ScheduledExecutorTest exten
306		* thread becomes active
307		*/
308		public void testGetActiveCount() throws InterruptedException {
293	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
294	–	final CountDownLatch threadStarted = new CountDownLatch(1);
309		final CountDownLatch done = new CountDownLatch(1);
310	<	try {
310	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
311	>	try (PoolCleaner cleaner = cleaner(p, done)) {
312	>	final CountDownLatch threadStarted = new CountDownLatch(1);
313		assertEquals(0, p.getActiveCount());
314		p.execute(new CheckedRunnable() {
315		public void realRun() throws InterruptedException {
316		threadStarted.countDown();
317		assertEquals(1, p.getActiveCount());
318	<	done.await();
318	>	await(done);
319		}});
320	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
320	>	await(threadStarted);
321		assertEquals(1, p.getActiveCount());
306	–	} finally {
307	–	done.countDown();
308	–	joinPool(p);
322		}
323		}
324
#	Line 315 | Line 328 | public class ScheduledExecutorTest exten
328		*/
329		public void testGetCompletedTaskCount() throws InterruptedException {
330		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
331	<	final CountDownLatch threadStarted = new CountDownLatch(1);
332	<	final CountDownLatch threadProceed = new CountDownLatch(1);
333	<	final CountDownLatch threadDone = new CountDownLatch(1);
334	<	try {
331	>	try (PoolCleaner cleaner = cleaner(p)) {
332	>	final CountDownLatch threadStarted = new CountDownLatch(1);
333	>	final CountDownLatch threadProceed = new CountDownLatch(1);
334	>	final CountDownLatch threadDone = new CountDownLatch(1);
335		assertEquals(0, p.getCompletedTaskCount());
336		p.execute(new CheckedRunnable() {
337		public void realRun() throws InterruptedException {
#	Line 327 | Line 340 | public class ScheduledExecutorTest exten
340		threadProceed.await();
341		threadDone.countDown();
342		}});
343	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
343	>	await(threadStarted);
344		assertEquals(0, p.getCompletedTaskCount());
345		threadProceed.countDown();
346		threadDone.await();
347	<	delay(SHORT_DELAY_MS);
348	<	assertEquals(1, p.getCompletedTaskCount());
349	<	} finally {
350	<	joinPool(p);
347	>	long startTime = System.nanoTime();
348	>	while (p.getCompletedTaskCount() != 1) {
349	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
350	>	fail("timed out");
351	>	Thread.yield();
352	>	}
353		}
354		}
355
#	Line 343 | Line 358 | public class ScheduledExecutorTest exten
358		*/
359		public void testGetCorePoolSize() throws InterruptedException {
360		ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
361	<	assertEquals(1, p.getCorePoolSize());
362	<	joinPool(p);
361	>	try (PoolCleaner cleaner = cleaner(p)) {
362	>	assertEquals(1, p.getCorePoolSize());
363	>	}
364		}
365
366		/**
#	Line 356 | Line 372 | public class ScheduledExecutorTest exten
372		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
373		final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
374		final CountDownLatch done = new CountDownLatch(1);
375	<	try {
375	>	try (PoolCleaner cleaner = cleaner(p, done)) {
376		assertEquals(0, p.getLargestPoolSize());
377		for (int i = 0; i < THREADS; i++)
378		p.execute(new CheckedRunnable() {
379		public void realRun() throws InterruptedException {
380		threadsStarted.countDown();
381	<	done.await();
381	>	await(done);
382		assertEquals(THREADS, p.getLargestPoolSize());
383		}});
384	<	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
369	<	assertEquals(THREADS, p.getLargestPoolSize());
370	<	} finally {
371	<	done.countDown();
372	<	joinPool(p);
384	>	await(threadsStarted);
385		assertEquals(THREADS, p.getLargestPoolSize());
386		}
387	+	assertEquals(THREADS, p.getLargestPoolSize());
388		}
389
390		/**
#	Line 382 | Line 395 | public class ScheduledExecutorTest exten
395		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
396		final CountDownLatch threadStarted = new CountDownLatch(1);
397		final CountDownLatch done = new CountDownLatch(1);
398	<	try {
398	>	try (PoolCleaner cleaner = cleaner(p, done)) {
399		assertEquals(0, p.getPoolSize());
400		p.execute(new CheckedRunnable() {
401		public void realRun() throws InterruptedException {
402		threadStarted.countDown();
403		assertEquals(1, p.getPoolSize());
404	<	done.await();
404	>	await(done);
405		}});
406	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
406	>	await(threadStarted);
407		assertEquals(1, p.getPoolSize());
395	–	} finally {
396	–	done.countDown();
397	–	joinPool(p);
408		}
409		}
410
#	Line 403 | Line 413 | public class ScheduledExecutorTest exten
413		* submitted
414		*/
415		public void testGetTaskCount() throws InterruptedException {
416	<	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
407	<	final CountDownLatch threadStarted = new CountDownLatch(1);
416	>	final int TASKS = 3;
417		final CountDownLatch done = new CountDownLatch(1);
418	<	final int TASKS = 5;
419	<	try {
418	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
419	>	try (PoolCleaner cleaner = cleaner(p, done)) {
420	>	final CountDownLatch threadStarted = new CountDownLatch(1);
421		assertEquals(0, p.getTaskCount());
422	<	for (int i = 0; i < TASKS; i++)
422	>	assertEquals(0, p.getCompletedTaskCount());
423	>	p.execute(new CheckedRunnable() {
424	>	public void realRun() throws InterruptedException {
425	>	threadStarted.countDown();
426	>	await(done);
427	>	}});
428	>	await(threadStarted);
429	>	assertEquals(1, p.getTaskCount());
430	>	assertEquals(0, p.getCompletedTaskCount());
431	>	for (int i = 0; i < TASKS; i++) {
432	>	assertEquals(1 + i, p.getTaskCount());
433		p.execute(new CheckedRunnable() {
434		public void realRun() throws InterruptedException {
435		threadStarted.countDown();
436	<	done.await();
436	>	assertEquals(1 + TASKS, p.getTaskCount());
437	>	await(done);
438		}});
439	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
440	<	assertEquals(TASKS, p.getTaskCount());
441	<	} finally {
421	<	done.countDown();
422	<	joinPool(p);
439	>	}
440	>	assertEquals(1 + TASKS, p.getTaskCount());
441	>	assertEquals(0, p.getCompletedTaskCount());
442		}
443	+	assertEquals(1 + TASKS, p.getTaskCount());
444	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
445		}
446
447		/**
448		* getThreadFactory returns factory in constructor if not set
449		*/
450		public void testGetThreadFactory() throws InterruptedException {
451	<	ThreadFactory tf = new SimpleThreadFactory();
452	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
453	<	assertSame(tf, p.getThreadFactory());
454	<	joinPool(p);
451	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
452	>	final ScheduledThreadPoolExecutor p =
453	>	new ScheduledThreadPoolExecutor(1, threadFactory);
454	>	try (PoolCleaner cleaner = cleaner(p)) {
455	>	assertSame(threadFactory, p.getThreadFactory());
456	>	}
457		}
458
459		/**
460		* setThreadFactory sets the thread factory returned by getThreadFactory
461		*/
462		public void testSetThreadFactory() throws InterruptedException {
463	<	ThreadFactory tf = new SimpleThreadFactory();
464	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
465	<	p.setThreadFactory(tf);
466	<	assertSame(tf, p.getThreadFactory());
467	<	joinPool(p);
463	>	ThreadFactory threadFactory = new SimpleThreadFactory();
464	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
465	>	try (PoolCleaner cleaner = cleaner(p)) {
466	>	p.setThreadFactory(threadFactory);
467	>	assertSame(threadFactory, p.getThreadFactory());
468	>	}
469		}
470
471		/**
472		* setThreadFactory(null) throws NPE
473		*/
474		public void testSetThreadFactoryNull() throws InterruptedException {
475	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
476	<	try {
477	<	p.setThreadFactory(null);
478	<	shouldThrow();
479	<	} catch (NullPointerException success) {
480	<	} finally {
457	<	joinPool(p);
475	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
476	>	try (PoolCleaner cleaner = cleaner(p)) {
477	>	try {
478	>	p.setThreadFactory(null);
479	>	shouldThrow();
480	>	} catch (NullPointerException success) {}
481		}
482		}
483
484		/**
485	<	* isShutDown is false before shutdown, true after
485	>	* isShutdown is false before shutdown, true after
486		*/
487		public void testIsShutdown() {
488
489	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
489	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
490		try {
491		assertFalse(p.isShutdown());
492		}
#	Line 473 | Line 496 | public class ScheduledExecutorTest exten
496		assertTrue(p.isShutdown());
497		}
498
476	–
499		/**
500		* isTerminated is false before termination, true after
501		*/
502		public void testIsTerminated() throws InterruptedException {
503		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
504	<	final CountDownLatch threadStarted = new CountDownLatch(1);
505	<	final CountDownLatch done = new CountDownLatch(1);
506	<	assertFalse(p.isTerminated());
507	<	try {
504	>	try (PoolCleaner cleaner = cleaner(p)) {
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
507	>	assertFalse(p.isTerminated());
508		p.execute(new CheckedRunnable() {
509		public void realRun() throws InterruptedException {
510		assertFalse(p.isTerminated());
511		threadStarted.countDown();
512	<	done.await();
512	>	await(done);
513		}});
514	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
514	>	await(threadStarted);
515		assertFalse(p.isTerminating());
516		done.countDown();
495	–	} finally {
517		try { p.shutdown(); } catch (SecurityException ok) { return; }
518	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	+	assertTrue(p.isTerminated());
520		}
498	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
499	–	assertTrue(p.isTerminated());
521		}
522
523		/**
#	Line 506 | Line 527 | public class ScheduledExecutorTest exten
527		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
528		final CountDownLatch threadStarted = new CountDownLatch(1);
529		final CountDownLatch done = new CountDownLatch(1);
530	<	try {
530	>	try (PoolCleaner cleaner = cleaner(p)) {
531		assertFalse(p.isTerminating());
532		p.execute(new CheckedRunnable() {
533		public void realRun() throws InterruptedException {
534		assertFalse(p.isTerminating());
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();
520	–	} finally {
541		try { p.shutdown(); } catch (SecurityException ok) { return; }
542	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
543	+	assertTrue(p.isTerminated());
544	+	assertFalse(p.isTerminating());
545		}
523	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
524	–	assertTrue(p.isTerminated());
525	–	assertFalse(p.isTerminating());
546		}
547
548		/**
549		* getQueue returns the work queue, which contains queued tasks
550		*/
551		public void testGetQueue() throws InterruptedException {
532	–	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
533	–	final CountDownLatch threadStarted = new CountDownLatch(1);
552		final CountDownLatch done = new CountDownLatch(1);
553	<	try {
553	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
554	>	try (PoolCleaner cleaner = cleaner(p, done)) {
555	>	final CountDownLatch threadStarted = new CountDownLatch(1);
556		ScheduledFuture[] tasks = new ScheduledFuture[5];
557		for (int i = 0; i < tasks.length; i++) {
558		Runnable r = new CheckedRunnable() {
559		public void realRun() throws InterruptedException {
560		threadStarted.countDown();
561	<	done.await();
561	>	await(done);
562		}};
563		tasks[i] = p.schedule(r, 1, MILLISECONDS);
564		}
565	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
565	>	await(threadStarted);
566		BlockingQueue<Runnable> q = p.getQueue();
567		assertTrue(q.contains(tasks[tasks.length - 1]));
568		assertFalse(q.contains(tasks[0]));
549	–	} finally {
550	–	done.countDown();
551	–	joinPool(p);
569		}
570		}
571
#	Line 556 | Line 573 | public class ScheduledExecutorTest exten
573		* remove(task) removes queued task, and fails to remove active task
574		*/
575		public void testRemove() throws InterruptedException {
559	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
560	–	ScheduledFuture[] tasks = new ScheduledFuture[5];
561	–	final CountDownLatch threadStarted = new CountDownLatch(1);
576		final CountDownLatch done = new CountDownLatch(1);
577	<	try {
577	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
578	>	try (PoolCleaner cleaner = cleaner(p, done)) {
579	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
580	>	final CountDownLatch threadStarted = new CountDownLatch(1);
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		assertFalse(p.remove((Runnable)tasks[0]));
592		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 580 | Line 597 | public class ScheduledExecutorTest exten
597		assertTrue(q.contains((Runnable)tasks[3]));
598		assertTrue(p.remove((Runnable)tasks[3]));
599		assertFalse(q.contains((Runnable)tasks[3]));
583	–	} finally {
584	–	done.countDown();
585	–	joinPool(p);
600		}
601		}
602
#	Line 590 | Line 604 | public class ScheduledExecutorTest exten
604		* purge eventually removes cancelled tasks from the queue
605		*/
606		public void testPurge() throws InterruptedException {
607	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
608	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
609	<	for (int i = 0; i < tasks.length; i++)
610	<	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
611	<	LONG_DELAY_MS, MILLISECONDS);
612	<	try {
607	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
608	>	final Runnable releaser = new Runnable() { public void run() {
609	>	for (ScheduledFuture task : tasks)
610	>	if (task != null) task.cancel(true); }};
611	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
612	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
613	>	for (int i = 0; i < tasks.length; i++)
614	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
615	>	LONG_DELAY_MS, MILLISECONDS);
616		int max = tasks.length;
617		if (tasks[4].cancel(true)) --max;
618		if (tasks[3].cancel(true)) --max;
#	Line 607 | Line 624 | public class ScheduledExecutorTest exten
624		long count = p.getTaskCount();
625		if (count == max)
626		return;
627	<	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
627	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
628		fail("Purge failed to remove cancelled tasks");
612	–	} finally {
613	–	for (ScheduledFuture task : tasks)
614	–	task.cancel(true);
615	–	joinPool(p);
629		}
630		}
631
632		/**
633	<	* shutDownNow returns a list containing tasks that were not run
633	>	* shutdownNow returns a list containing tasks that were not run,
634	>	* and those tasks are drained from the queue
635		*/
636	<	public void testShutdownNow() {
637	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
638	<	for (int i = 0; i < 5; i++)
639	<	p.schedule(new SmallPossiblyInterruptedRunnable(),
640	<	LONG_DELAY_MS, MILLISECONDS);
636	>	public void testShutdownNow() throws InterruptedException {
637	>	final int poolSize = 2;
638	>	final int count = 5;
639	>	final AtomicInteger ran = new AtomicInteger(0);
640	>	final ScheduledThreadPoolExecutor p =
641	>	new ScheduledThreadPoolExecutor(poolSize);
642	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
643	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
644	>	threadsStarted.countDown();
645	>	try {
646	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
647	>	} catch (InterruptedException success) {}
648	>	ran.getAndIncrement();
649	>	}};
650	>	for (int i = 0; i < count; i++)
651	>	p.execute(waiter);
652	>	await(threadsStarted);
653	>	assertEquals(poolSize, p.getActiveCount());
654	>	assertEquals(0, p.getCompletedTaskCount());
655	>	final List<Runnable> queuedTasks;
656		try {
657	<	List<Runnable> l = p.shutdownNow();
629	<	assertTrue(p.isShutdown());
630	<	assertEquals(5, l.size());
657	>	queuedTasks = p.shutdownNow();
658		} catch (SecurityException ok) {
659	<	// Allowed in case test doesn't have privs
633	<	} finally {
634	<	joinPool(p);
659	>	return; // Allowed in case test doesn't have privs
660		}
661	+	assertTrue(p.isShutdown());
662	+	assertTrue(p.getQueue().isEmpty());
663	+	assertEquals(count - poolSize, queuedTasks.size());
664	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
665	+	assertTrue(p.isTerminated());
666	+	assertEquals(poolSize, ran.get());
667	+	assertEquals(poolSize, p.getCompletedTaskCount());
668		}
669
670		/**
671	<	* In default setting, shutdown cancels periodic but not delayed
672	<	* tasks at shutdown
671	>	* shutdownNow returns a list containing tasks that were not run,
672	>	* and those tasks are drained from the queue
673		*/
674	<	public void testShutDown1() throws InterruptedException {
675	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
676	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
677	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
678	<
679	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
680	<	for (int i = 0; i < tasks.length; i++)
681	<	tasks[i] = p.schedule(new NoOpRunnable(),
682	<	SHORT_DELAY_MS, MILLISECONDS);
683	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
684	<	BlockingQueue<Runnable> q = p.getQueue();
685	<	for (ScheduledFuture task : tasks) {
686	<	assertFalse(task.isDone());
687	<	assertFalse(task.isCancelled());
688	<	assertTrue(q.contains(task));
674	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
675	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
676	>	List<ScheduledFuture> tasks = new ArrayList<>();
677	>	for (int i = 0; i < 3; i++) {
678	>	Runnable r = new NoOpRunnable();
679	>	tasks.add(p.schedule(r, 9, SECONDS));
680	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
681	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
682	>	}
683	>	if (testImplementationDetails)
684	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
685	>	final List<Runnable> queuedTasks;
686	>	try {
687	>	queuedTasks = p.shutdownNow();
688	>	} catch (SecurityException ok) {
689	>	return; // Allowed in case test doesn't have privs
690		}
691		assertTrue(p.isShutdown());
692	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
693	<	assertTrue(p.isTerminated());
692	>	assertTrue(p.getQueue().isEmpty());
693	>	if (testImplementationDetails)
694	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
695	>	assertEquals(tasks.size(), queuedTasks.size());
696		for (ScheduledFuture task : tasks) {
697	<	assertTrue(task.isDone());
697	>	assertFalse(task.isDone());
698		assertFalse(task.isCancelled());
699		}
700	<	}
666	<
667	<
668	<	/**
669	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
670	<	* delayed tasks are cancelled at shutdown
671	<	*/
672	<	public void testShutDown2() throws InterruptedException {
673	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
674	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
675	<	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
676	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
677	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
678	<	for (int i = 0; i < tasks.length; i++)
679	<	tasks[i] = p.schedule(new NoOpRunnable(),
680	<	SHORT_DELAY_MS, MILLISECONDS);
681	<	BlockingQueue q = p.getQueue();
682	<	assertEquals(tasks.length, q.size());
683	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
684	<	assertTrue(p.isShutdown());
685	<	assertTrue(q.isEmpty());
686	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
700	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
701		assertTrue(p.isTerminated());
688	–	for (ScheduledFuture task : tasks) {
689	–	assertTrue(task.isDone());
690	–	assertTrue(task.isCancelled());
691	–	}
702		}
703
704		/**
705	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
706	<	* periodic tasks are cancelled at shutdown
707	<	*/
708	<	public void testShutDown3() throws InterruptedException {
709	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
710	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
711	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
712	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
713	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
714	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
715	<	ScheduledFuture task =
716	<	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
705	>	* By default, periodic tasks are cancelled at shutdown.
706	>	* By default, delayed tasks keep running after shutdown.
707	>	* Check that changing the default values work:
708	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
709	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
710	>	*/
711	>	public void testShutdown_cancellation() throws Exception {
712	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
713	>	for (Boolean policy : allBooleans)
714	>	{
715	>	final int poolSize = 2;
716	>	final ScheduledThreadPoolExecutor p
717	>	= new ScheduledThreadPoolExecutor(poolSize);
718	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
719	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
720	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
721	>	if (policy != null) {
722	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
723	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
724	>	p.setRemoveOnCancelPolicy(policy);
725	>	}
726	>	assertEquals(effectiveDelayedPolicy,
727	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
728	>	assertEquals(effectivePeriodicPolicy,
729	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
730	>	assertEquals(effectiveRemovePolicy,
731	>	p.getRemoveOnCancelPolicy());
732	>	// Strategy: Wedge the pool with poolSize "blocker" threads
733	>	final AtomicInteger ran = new AtomicInteger(0);
734	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
735	>	final CountDownLatch unblock = new CountDownLatch(1);
736	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
737	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
738	>	Runnable task = new CheckedRunnable() { public void realRun()
739	>	throws InterruptedException {
740	>	poolBlocked.countDown();
741	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
742	>	ran.getAndIncrement();
743	>	}};
744	>	List<Future<?>> blockers = new ArrayList<>();
745	>	List<Future<?>> periodics = new ArrayList<>();
746	>	List<Future<?>> delayeds = new ArrayList<>();
747	>	for (int i = 0; i < poolSize; i++)
748	>	blockers.add(p.submit(task));
749	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
750	>
751	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
752	>	1, 1, MILLISECONDS));
753	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
754	>	1, 1, MILLISECONDS));
755	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
756	>
757	>	assertTrue(p.getQueue().containsAll(periodics));
758	>	assertTrue(p.getQueue().containsAll(delayeds));
759		try { p.shutdown(); } catch (SecurityException ok) { return; }
760		assertTrue(p.isShutdown());
761	<	BlockingQueue q = p.getQueue();
762	<	assertTrue(p.getQueue().isEmpty());
763	<	assertTrue(task.isDone());
764	<	assertTrue(task.isCancelled());
765	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
766	<	assertTrue(p.isTerminated());
767	<	}
768	<
769	<	/**
770	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
771	<	* periodic tasks are not cancelled at shutdown
772	<	*/
773	<	public void testShutDown4() throws InterruptedException {
774	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
775	<	final CountDownLatch counter = new CountDownLatch(2);
776	<	try {
777	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
778	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
779	<	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
780	<	final Runnable r = new CheckedRunnable() {
781	<	public void realRun() {
782	<	counter.countDown();
731	<	}};
732	<	ScheduledFuture task =
733	<	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
734	<	assertFalse(task.isDone());
735	<	assertFalse(task.isCancelled());
736	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
737	<	assertFalse(task.isCancelled());
738	<	assertFalse(p.isTerminated());
739	<	assertTrue(p.isShutdown());
740	<	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
741	<	assertFalse(task.isCancelled());
742	<	assertTrue(task.cancel(false));
743	<	assertTrue(task.isDone());
744	<	assertTrue(task.isCancelled());
745	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
746	<	assertTrue(p.isTerminated());
761	>	assertFalse(p.isTerminated());
762	>	for (Future<?> periodic : periodics) {
763	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
764	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
765	>	}
766	>	for (Future<?> delayed : delayeds) {
767	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
768	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
769	>	}
770	>	if (testImplementationDetails) {
771	>	assertEquals(effectivePeriodicPolicy,
772	>	p.getQueue().containsAll(periodics));
773	>	assertEquals(effectiveDelayedPolicy,
774	>	p.getQueue().containsAll(delayeds));
775	>	}
776	>	// Release all pool threads
777	>	unblock.countDown();
778	>
779	>	for (Future<?> delayed : delayeds) {
780	>	if (effectiveDelayedPolicy) {
781	>	assertNull(delayed.get());
782	>	}
783		}
784	<	finally {
785	<	joinPool(p);
784	>	if (effectivePeriodicPolicy) {
785	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
786	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
787	>	for (Future<?> periodic : periodics) {
788	>	assertTrue(periodic.cancel(false));
789	>	assertTrue(periodic.isCancelled());
790	>	assertTrue(periodic.isDone());
791	>	}
792		}
793	<	}
793	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
794	>	assertTrue(p.isTerminated());
795	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
796	>	}}
797
798		/**
799		* completed submit of callable returns result
800		*/
801		public void testSubmitCallable() throws Exception {
802	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
803	<	try {
802	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
803	>	try (PoolCleaner cleaner = cleaner(e)) {
804		Future<String> future = e.submit(new StringTask());
805		String result = future.get();
806		assertSame(TEST_STRING, result);
762	–	} finally {
763	–	joinPool(e);
807		}
808		}
809
#	Line 768 | Line 811 | public class ScheduledExecutorTest exten
811		* completed submit of runnable returns successfully
812		*/
813		public void testSubmitRunnable() throws Exception {
814	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
815	<	try {
814	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
815	>	try (PoolCleaner cleaner = cleaner(e)) {
816		Future<?> future = e.submit(new NoOpRunnable());
817		future.get();
818		assertTrue(future.isDone());
776	–	} finally {
777	–	joinPool(e);
819		}
820		}
821
#	Line 782 | Line 823 | public class ScheduledExecutorTest exten
823		* completed submit of (runnable, result) returns result
824		*/
825		public void testSubmitRunnable2() 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 NoOpRunnable(), TEST_STRING);
829		String result = future.get();
830		assertSame(TEST_STRING, result);
790	–	} finally {
791	–	joinPool(e);
831		}
832		}
833
#	Line 796 | Line 835 | public class ScheduledExecutorTest exten
835		* invokeAny(null) throws NPE
836		*/
837		public void testInvokeAny1() throws Exception {
838	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
839	<	try {
840	<	e.invokeAny(null);
841	<	shouldThrow();
842	<	} catch (NullPointerException success) {
843	<	} finally {
805	<	joinPool(e);
838	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
839	>	try (PoolCleaner cleaner = cleaner(e)) {
840	>	try {
841	>	e.invokeAny(null);
842	>	shouldThrow();
843	>	} catch (NullPointerException success) {}
844		}
845		}
846
#	Line 810 | Line 848 | public class ScheduledExecutorTest exten
848		* invokeAny(empty collection) throws IAE
849		*/
850		public void testInvokeAny2() throws Exception {
851	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
852	<	try {
853	<	e.invokeAny(new ArrayList<Callable<String>>());
854	<	shouldThrow();
855	<	} catch (IllegalArgumentException success) {
856	<	} finally {
819	<	joinPool(e);
851	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
852	>	try (PoolCleaner cleaner = cleaner(e)) {
853	>	try {
854	>	e.invokeAny(new ArrayList<Callable<String>>());
855	>	shouldThrow();
856	>	} catch (IllegalArgumentException success) {}
857		}
858		}
859
#	Line 825 | Line 862 | public class ScheduledExecutorTest exten
862		*/
863		public void testInvokeAny3() throws Exception {
864		CountDownLatch latch = new CountDownLatch(1);
865	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
866	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
867	<	l.add(latchAwaitingStringTask(latch));
868	<	l.add(null);
869	<	try {
870	<	e.invokeAny(l);
871	<	shouldThrow();
872	<	} catch (NullPointerException success) {
873	<	} finally {
865	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
866	>	try (PoolCleaner cleaner = cleaner(e)) {
867	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
868	>	l.add(latchAwaitingStringTask(latch));
869	>	l.add(null);
870	>	try {
871	>	e.invokeAny(l);
872	>	shouldThrow();
873	>	} catch (NullPointerException success) {}
874		latch.countDown();
838	–	joinPool(e);
875		}
876		}
877
#	Line 843 | Line 879 | public class ScheduledExecutorTest exten
879		* invokeAny(c) throws ExecutionException if no task completes
880		*/
881		public void testInvokeAny4() throws Exception {
882	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
883	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
884	<	l.add(new NPETask());
885	<	try {
886	<	e.invokeAny(l);
887	<	shouldThrow();
888	<	} catch (ExecutionException success) {
889	<	assertTrue(success.getCause() instanceof NullPointerException);
890	<	} finally {
891	<	joinPool(e);
882	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
883	>	try (PoolCleaner cleaner = cleaner(e)) {
884	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
885	>	l.add(new NPETask());
886	>	try {
887	>	e.invokeAny(l);
888	>	shouldThrow();
889	>	} catch (ExecutionException success) {
890	>	assertTrue(success.getCause() instanceof NullPointerException);
891	>	}
892		}
893		}
894
#	Line 860 | Line 896 | public class ScheduledExecutorTest exten
896		* invokeAny(c) returns result of some task
897		*/
898		public void testInvokeAny5() throws Exception {
899	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
900	<	try {
899	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
900	>	try (PoolCleaner cleaner = cleaner(e)) {
901		List<Callable<String>> l = new ArrayList<Callable<String>>();
902		l.add(new StringTask());
903		l.add(new StringTask());
904		String result = e.invokeAny(l);
905		assertSame(TEST_STRING, result);
870	–	} finally {
871	–	joinPool(e);
906		}
907		}
908
#	Line 876 | Line 910 | public class ScheduledExecutorTest exten
910		* invokeAll(null) throws NPE
911		*/
912		public void testInvokeAll1() throws Exception {
913	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
914	<	try {
915	<	e.invokeAll(null);
916	<	shouldThrow();
917	<	} catch (NullPointerException success) {
918	<	} finally {
885	<	joinPool(e);
913	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
914	>	try (PoolCleaner cleaner = cleaner(e)) {
915	>	try {
916	>	e.invokeAll(null);
917	>	shouldThrow();
918	>	} catch (NullPointerException success) {}
919		}
920		}
921
#	Line 890 | Line 923 | public class ScheduledExecutorTest exten
923		* invokeAll(empty collection) returns empty collection
924		*/
925		public void testInvokeAll2() throws Exception {
926	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
927	<	try {
926	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
927	>	try (PoolCleaner cleaner = cleaner(e)) {
928		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
929		assertTrue(r.isEmpty());
897	–	} finally {
898	–	joinPool(e);
930		}
931		}
932
#	Line 903 | Line 934 | public class ScheduledExecutorTest exten
934		* invokeAll(c) throws NPE if c has null elements
935		*/
936		public void testInvokeAll3() throws Exception {
937	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
938	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
939	<	l.add(new StringTask());
940	<	l.add(null);
941	<	try {
942	<	e.invokeAll(l);
943	<	shouldThrow();
944	<	} catch (NullPointerException success) {
945	<	} finally {
915	<	joinPool(e);
937	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
938	>	try (PoolCleaner cleaner = cleaner(e)) {
939	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
940	>	l.add(new StringTask());
941	>	l.add(null);
942	>	try {
943	>	e.invokeAll(l);
944	>	shouldThrow();
945	>	} catch (NullPointerException success) {}
946		}
947		}
948
#	Line 920 | Line 950 | public class ScheduledExecutorTest exten
950		* get of invokeAll(c) throws exception on failed task
951		*/
952		public void testInvokeAll4() throws Exception {
953	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
954	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
955	<	l.add(new NPETask());
956	<	List<Future<String>> futures = e.invokeAll(l);
957	<	assertEquals(1, futures.size());
958	<	try {
959	<	futures.get(0).get();
960	<	shouldThrow();
961	<	} catch (ExecutionException success) {
962	<	assertTrue(success.getCause() instanceof NullPointerException);
963	<	} finally {
964	<	joinPool(e);
953	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
954	>	try (PoolCleaner cleaner = cleaner(e)) {
955	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
956	>	l.add(new NPETask());
957	>	List<Future<String>> futures = e.invokeAll(l);
958	>	assertEquals(1, futures.size());
959	>	try {
960	>	futures.get(0).get();
961	>	shouldThrow();
962	>	} catch (ExecutionException success) {
963	>	assertTrue(success.getCause() instanceof NullPointerException);
964	>	}
965		}
966		}
967
#	Line 939 | Line 969 | public class ScheduledExecutorTest exten
969		* invokeAll(c) returns results of all completed tasks
970		*/
971		public void testInvokeAll5() throws Exception {
972	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
973	<	try {
972	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
973	>	try (PoolCleaner cleaner = cleaner(e)) {
974		List<Callable<String>> l = new ArrayList<Callable<String>>();
975		l.add(new StringTask());
976		l.add(new StringTask());
#	Line 948 | Line 978 | public class ScheduledExecutorTest exten
978		assertEquals(2, futures.size());
979		for (Future<String> future : futures)
980		assertSame(TEST_STRING, future.get());
951	–	} finally {
952	–	joinPool(e);
981		}
982		}
983
#	Line 957 | Line 985 | public class ScheduledExecutorTest exten
985		* timed invokeAny(null) throws NPE
986		*/
987		public void testTimedInvokeAny1() throws Exception {
988	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
989	<	try {
990	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
991	<	shouldThrow();
992	<	} catch (NullPointerException success) {
993	<	} finally {
966	<	joinPool(e);
988	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
989	>	try (PoolCleaner cleaner = cleaner(e)) {
990	>	try {
991	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
992	>	shouldThrow();
993	>	} catch (NullPointerException success) {}
994		}
995		}
996
#	Line 971 | Line 998 | public class ScheduledExecutorTest exten
998		* timed invokeAny(,,null) throws NPE
999		*/
1000		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1001	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1002	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1003	<	l.add(new StringTask());
1004	<	try {
1005	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1006	<	shouldThrow();
1007	<	} catch (NullPointerException success) {
1008	<	} finally {
982	<	joinPool(e);
1001	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1002	>	try (PoolCleaner cleaner = cleaner(e)) {
1003	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1004	>	l.add(new StringTask());
1005	>	try {
1006	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1007	>	shouldThrow();
1008	>	} catch (NullPointerException success) {}
1009		}
1010		}
1011
#	Line 987 | Line 1013 | public class ScheduledExecutorTest exten
1013		* timed invokeAny(empty collection) throws IAE
1014		*/
1015		public void testTimedInvokeAny2() throws Exception {
1016	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1017	<	try {
1018	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1019	<	shouldThrow();
1020	<	} catch (IllegalArgumentException success) {
1021	<	} finally {
996	<	joinPool(e);
1016	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1017	>	try (PoolCleaner cleaner = cleaner(e)) {
1018	>	try {
1019	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1020	>	shouldThrow();
1021	>	} catch (IllegalArgumentException success) {}
1022		}
1023		}
1024
#	Line 1002 | Line 1027 | public class ScheduledExecutorTest exten
1027		*/
1028		public void testTimedInvokeAny3() throws Exception {
1029		CountDownLatch latch = new CountDownLatch(1);
1030	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1031	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1032	<	l.add(latchAwaitingStringTask(latch));
1033	<	l.add(null);
1034	<	try {
1035	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1036	<	shouldThrow();
1037	<	} catch (NullPointerException success) {
1038	<	} finally {
1030	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1031	>	try (PoolCleaner cleaner = cleaner(e)) {
1032	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1033	>	l.add(latchAwaitingStringTask(latch));
1034	>	l.add(null);
1035	>	try {
1036	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1037	>	shouldThrow();
1038	>	} catch (NullPointerException success) {}
1039		latch.countDown();
1015	–	joinPool(e);
1040		}
1041		}
1042
#	Line 1020 | Line 1044 | public class ScheduledExecutorTest exten
1044		* timed invokeAny(c) throws ExecutionException if no task completes
1045		*/
1046		public void testTimedInvokeAny4() throws Exception {
1047	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1048	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1049	<	l.add(new NPETask());
1050	<	try {
1051	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1052	<	shouldThrow();
1053	<	} catch (ExecutionException success) {
1054	<	assertTrue(success.getCause() instanceof NullPointerException);
1055	<	} finally {
1056	<	joinPool(e);
1047	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1048	>	try (PoolCleaner cleaner = cleaner(e)) {
1049	>	long startTime = System.nanoTime();
1050	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1051	>	l.add(new NPETask());
1052	>	try {
1053	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1054	>	shouldThrow();
1055	>	} catch (ExecutionException success) {
1056	>	assertTrue(success.getCause() instanceof NullPointerException);
1057	>	}
1058	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1059		}
1060		}
1061
#	Line 1037 | Line 1063 | public class ScheduledExecutorTest exten
1063		* timed invokeAny(c) returns result of some task
1064		*/
1065		public void testTimedInvokeAny5() throws Exception {
1066	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1067	<	try {
1066	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1067	>	try (PoolCleaner cleaner = cleaner(e)) {
1068		List<Callable<String>> l = new ArrayList<Callable<String>>();
1069		l.add(new StringTask());
1070		l.add(new StringTask());
1071		String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1072		assertSame(TEST_STRING, result);
1047	–	} finally {
1048	–	joinPool(e);
1073		}
1074		}
1075
#	Line 1053 | Line 1077 | public class ScheduledExecutorTest exten
1077		* timed invokeAll(null) throws NPE
1078		*/
1079		public void testTimedInvokeAll1() throws Exception {
1080	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1081	<	try {
1082	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1083	<	shouldThrow();
1084	<	} catch (NullPointerException success) {
1085	<	} finally {
1062	<	joinPool(e);
1080	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1081	>	try (PoolCleaner cleaner = cleaner(e)) {
1082	>	try {
1083	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1084	>	shouldThrow();
1085	>	} catch (NullPointerException success) {}
1086		}
1087		}
1088
#	Line 1067 | Line 1090 | public class ScheduledExecutorTest exten
1090		* timed invokeAll(,,null) throws NPE
1091		*/
1092		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1093	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1094	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1095	<	l.add(new StringTask());
1096	<	try {
1097	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1098	<	shouldThrow();
1099	<	} catch (NullPointerException success) {
1100	<	} finally {
1078	<	joinPool(e);
1093	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1094	>	try (PoolCleaner cleaner = cleaner(e)) {
1095	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1096	>	l.add(new StringTask());
1097	>	try {
1098	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1099	>	shouldThrow();
1100	>	} catch (NullPointerException success) {}
1101		}
1102		}
1103
#	Line 1083 | Line 1105 | public class ScheduledExecutorTest exten
1105		* timed invokeAll(empty collection) returns empty collection
1106		*/
1107		public void testTimedInvokeAll2() throws Exception {
1108	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1109	<	try {
1110	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1108	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1109	>	try (PoolCleaner cleaner = cleaner(e)) {
1110	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1111	>	MEDIUM_DELAY_MS, MILLISECONDS);
1112		assertTrue(r.isEmpty());
1090	–	} finally {
1091	–	joinPool(e);
1113		}
1114		}
1115
#	Line 1096 | Line 1117 | public class ScheduledExecutorTest exten
1117		* timed invokeAll(c) throws NPE if c has null elements
1118		*/
1119		public void testTimedInvokeAll3() throws Exception {
1120	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1121	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1122	<	l.add(new StringTask());
1123	<	l.add(null);
1124	<	try {
1125	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1126	<	shouldThrow();
1127	<	} catch (NullPointerException success) {
1128	<	} finally {
1108	<	joinPool(e);
1120	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1121	>	try (PoolCleaner cleaner = cleaner(e)) {
1122	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1123	>	l.add(new StringTask());
1124	>	l.add(null);
1125	>	try {
1126	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1127	>	shouldThrow();
1128	>	} catch (NullPointerException success) {}
1129		}
1130		}
1131
#	Line 1113 | Line 1133 | public class ScheduledExecutorTest exten
1133		* get of element of invokeAll(c) throws exception on failed task
1134		*/
1135		public void testTimedInvokeAll4() throws Exception {
1136	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1138	<	l.add(new NPETask());
1139	<	List<Future<String>> futures =
1140	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1141	<	assertEquals(1, futures.size());
1142	<	try {
1143	<	futures.get(0).get();
1144	<	shouldThrow();
1145	<	} catch (ExecutionException success) {
1146	<	assertTrue(success.getCause() instanceof NullPointerException);
1147	<	} finally {
1148	<	joinPool(e);
1136	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	>	try (PoolCleaner cleaner = cleaner(e)) {
1138	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1139	>	l.add(new NPETask());
1140	>	List<Future<String>> futures =
1141	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1142	>	assertEquals(1, futures.size());
1143	>	try {
1144	>	futures.get(0).get();
1145	>	shouldThrow();
1146	>	} catch (ExecutionException success) {
1147	>	assertTrue(success.getCause() instanceof NullPointerException);
1148	>	}
1149		}
1150		}
1151
#	Line 1133 | Line 1153 | public class ScheduledExecutorTest exten
1153		* timed invokeAll(c) returns results of all completed tasks
1154		*/
1155		public void testTimedInvokeAll5() throws Exception {
1156	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1157	<	try {
1156	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1157	>	try (PoolCleaner cleaner = cleaner(e)) {
1158		List<Callable<String>> l = new ArrayList<Callable<String>>();
1159		l.add(new StringTask());
1160		l.add(new StringTask());
1161		List<Future<String>> futures =
1162	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1162	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1163		assertEquals(2, futures.size());
1164		for (Future<String> future : futures)
1165		assertSame(TEST_STRING, future.get());
1146	–	} finally {
1147	–	joinPool(e);
1166		}
1167		}
1168
#	Line 1152 | Line 1170 | public class ScheduledExecutorTest exten
1170		* timed invokeAll(c) cancels tasks not completed by timeout
1171		*/
1172		public void testTimedInvokeAll6() throws Exception {
1173	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1174	<	try {
1175	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1176	<	l.add(new StringTask());
1177	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1178	<	l.add(new StringTask());
1179	<	List<Future<String>> futures =
1180	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1181	<	assertEquals(3, futures.size());
1182	<	Iterator<Future<String>> it = futures.iterator();
1183	<	Future<String> f1 = it.next();
1184	<	Future<String> f2 = it.next();
1185	<	Future<String> f3 = it.next();
1186	<	assertTrue(f1.isDone());
1187	<	assertTrue(f2.isDone());
1188	<	assertTrue(f3.isDone());
1189	<	assertFalse(f1.isCancelled());
1190	<	assertTrue(f2.isCancelled());
1191	<	} finally {
1192	<	joinPool(e);
1173	>	for (long timeout = timeoutMillis();;) {
1174	>	final CountDownLatch done = new CountDownLatch(1);
1175	>	final Callable<String> waiter = new CheckedCallable<String>() {
1176	>	public String realCall() {
1177	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1178	>	catch (InterruptedException ok) {}
1179	>	return "1"; }};
1180	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1181	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1182	>	List<Callable<String>> tasks = new ArrayList<>();
1183	>	tasks.add(new StringTask("0"));
1184	>	tasks.add(waiter);
1185	>	tasks.add(new StringTask("2"));
1186	>	long startTime = System.nanoTime();
1187	>	List<Future<String>> futures =
1188	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1189	>	assertEquals(tasks.size(), futures.size());
1190	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1191	>	for (Future future : futures)
1192	>	assertTrue(future.isDone());
1193	>	assertTrue(futures.get(1).isCancelled());
1194	>	try {
1195	>	assertEquals("0", futures.get(0).get());
1196	>	assertEquals("2", futures.get(2).get());
1197	>	break;
1198	>	} catch (CancellationException retryWithLongerTimeout) {
1199	>	timeout *= 2;
1200	>	if (timeout >= LONG_DELAY_MS / 2)
1201	>	fail("expected exactly one task to be cancelled");
1202	>	}
1203	>	}
1204		}
1205		}
1206
1178	–
1207		}

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