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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.39 by dl, Fri May 6 11:22:07 2011 UTC vs.
Revision 1.80 by jsr166, Mon Feb 22 23:16:06 2016 UTC

#	Line 6 | Line 6
6		* Pat Fisher, Mike Judd.
7		*/
8
9	–	import junit.framework.*;
10	–	import java.util.*;
11	–	import java.util.concurrent.*;
9		import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	<	import java.util.concurrent.atomic.*;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14	>	import java.util.HashSet;
15	>	import java.util.List;
16	>	import java.util.concurrent.BlockingQueue;
17	>	import java.util.concurrent.Callable;
18	>	import java.util.concurrent.CancellationException;
19	>	import java.util.concurrent.CountDownLatch;
20	>	import java.util.concurrent.ExecutionException;
21	>	import java.util.concurrent.Executors;
22	>	import java.util.concurrent.ExecutorService;
23	>	import java.util.concurrent.Future;
24	>	import java.util.concurrent.RejectedExecutionException;
25	>	import java.util.concurrent.ScheduledFuture;
26	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
27	>	import java.util.concurrent.ThreadFactory;
28	>	import java.util.concurrent.ThreadPoolExecutor;
29	>	import java.util.concurrent.atomic.AtomicBoolean;
30	>	import java.util.concurrent.atomic.AtomicInteger;
31	>	import java.util.concurrent.atomic.AtomicLong;
32	>
33	>	import junit.framework.Test;
34	>	import junit.framework.TestSuite;
35
36		public class ScheduledExecutorTest extends JSR166TestCase {
37		public static void main(String[] args) {
38	<	junit.textui.TestRunner.run(suite());
38	>	main(suite(), args);
39		}
40		public static Test suite() {
41		return new TestSuite(ScheduledExecutorTest.class);
42		}
43
23	–
44		/**
45		* execute successfully executes a runnable
46		*/
47		public void testExecute() throws InterruptedException {
48	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
49	<	final CountDownLatch done = new CountDownLatch(1);
50	<	final Runnable task = new CheckedRunnable() {
51	<	public void realRun() {
52	<	done.countDown();
33	<	}};
34	<	try {
48	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
49	>	try (PoolCleaner cleaner = cleaner(p)) {
50	>	final CountDownLatch done = new CountDownLatch(1);
51	>	final Runnable task = new CheckedRunnable() {
52	>	public void realRun() { done.countDown(); }};
53		p.execute(task);
54	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
37	<	} finally {
38	<	joinPool(p);
54	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
55		}
56		}
57
42	–
58		/**
59		* delayed schedule of callable successfully executes after delay
60		*/
61		public void testSchedule1() throws Exception {
62	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
63	<	final long t0 = System.nanoTime();
64	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
65	<	final CountDownLatch done = new CountDownLatch(1);
51	<	try {
62	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
63	>	try (PoolCleaner cleaner = cleaner(p)) {
64	>	final long startTime = System.nanoTime();
65	>	final CountDownLatch done = new CountDownLatch(1);
66		Callable task = new CheckedCallable<Boolean>() {
67		public Boolean realCall() {
68		done.countDown();
69	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
69	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
70		return Boolean.TRUE;
71		}};
72	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
73	<	assertEquals(Boolean.TRUE, f.get());
74	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
72	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
73	>	assertSame(Boolean.TRUE, f.get());
74	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
75		assertTrue(done.await(0L, MILLISECONDS));
62	–	} finally {
63	–	joinPool(p);
76		}
77		}
78
#	Line 68 | Line 80 | public class ScheduledExecutorTest exten
80		* delayed schedule of runnable successfully executes after delay
81		*/
82		public void testSchedule3() throws Exception {
83	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
84	<	final long t0 = System.nanoTime();
85	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
86	<	final CountDownLatch done = new CountDownLatch(1);
75	<	try {
83	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
84	>	try (PoolCleaner cleaner = cleaner(p)) {
85	>	final long startTime = System.nanoTime();
86	>	final CountDownLatch done = new CountDownLatch(1);
87		Runnable task = new CheckedRunnable() {
88		public void realRun() {
89		done.countDown();
90	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
90	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
91		}};
92	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
93	<	assertNull(f.get());
94	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
95	<	assertTrue(done.await(0L, MILLISECONDS));
85	<	} finally {
86	<	joinPool(p);
92	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
93	>	await(done);
94	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
95	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
96		}
97		}
98
#	Line 91 | Line 100 | public class ScheduledExecutorTest exten
100		* scheduleAtFixedRate executes runnable after given initial delay
101		*/
102		public void testSchedule4() throws Exception {
103	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
104	<	final long t0 = System.nanoTime();
105	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
106	<	final CountDownLatch done = new CountDownLatch(1);
98	<	try {
103	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
104	>	try (PoolCleaner cleaner = cleaner(p)) {
105	>	final long startTime = System.nanoTime();
106	>	final CountDownLatch done = new CountDownLatch(1);
107		Runnable task = new CheckedRunnable() {
108		public void realRun() {
109		done.countDown();
110	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
110	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
111		}};
112		ScheduledFuture f =
113	<	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
114	<	SHORT_DELAY_MS, MILLISECONDS);
115	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
116	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
113	>	p.scheduleAtFixedRate(task, timeoutMillis(),
114	>	LONG_DELAY_MS, MILLISECONDS);
115	>	await(done);
116	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
117		f.cancel(true);
110	–	} finally {
111	–	joinPool(p);
118		}
119		}
120
121		/**
122		* scheduleWithFixedDelay executes runnable after given initial delay
123		*/
124	<	public void testSchedule5() throws InterruptedException {
125	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
126	<	final long t0 = System.nanoTime();
127	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
128	<	final CountDownLatch done = new CountDownLatch(1);
123	<	try {
124	>	public void testSchedule5() throws Exception {
125	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
126	>	try (PoolCleaner cleaner = cleaner(p)) {
127	>	final long startTime = System.nanoTime();
128	>	final CountDownLatch done = new CountDownLatch(1);
129		Runnable task = new CheckedRunnable() {
130		public void realRun() {
131		done.countDown();
132	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
132	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
133		}};
134		ScheduledFuture f =
135	<	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
136	<	SHORT_DELAY_MS, MILLISECONDS);
137	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
138	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
135	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
136	>	LONG_DELAY_MS, MILLISECONDS);
137	>	await(done);
138	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
139		f.cancel(true);
135	–	} finally {
136	–	joinPool(p);
140		}
141		}
142
#	Line 143 | Line 146 | public class ScheduledExecutorTest exten
146		}
147
148		/**
149	<	* scheduleAtFixedRate executes series of tasks at given rate
149	>	* scheduleAtFixedRate executes series of tasks at given rate.
150	>	* Eventually, it must hold that:
151	>	*   cycles - 1 <= elapsedMillis/delay < cycles
152		*/
153		public void testFixedRateSequence() throws InterruptedException {
154	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
155	<	RunnableCounter counter = new RunnableCounter();
156	<	ScheduledFuture h =
157	<	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
158	<	delay(SMALL_DELAY_MS);
159	<	h.cancel(true);
160	<	int c = counter.count.get();
161	<	// By time scaling conventions, we must have at least
162	<	// an execution per SHORT delay, but no more than one SHORT more
163	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
164	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
165	<	joinPool(p);
154	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
155	>	try (PoolCleaner cleaner = cleaner(p)) {
156	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
157	>	final long startTime = System.nanoTime();
158	>	final int cycles = 8;
159	>	final CountDownLatch done = new CountDownLatch(cycles);
160	>	final Runnable task = new CheckedRunnable() {
161	>	public void realRun() { done.countDown(); }};
162	>	final ScheduledFuture periodicTask =
163	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
164	>	final int totalDelayMillis = (cycles - 1) * delay;
165	>	await(done, totalDelayMillis + LONG_DELAY_MS);
166	>	periodicTask.cancel(true);
167	>	final long elapsedMillis = millisElapsedSince(startTime);
168	>	assertTrue(elapsedMillis >= totalDelayMillis);
169	>	if (elapsedMillis <= cycles * delay)
170	>	return;
171	>	// else retry with longer delay
172	>	}
173	>	fail("unexpected execution rate");
174	>	}
175		}
176
177		/**
178	<	* scheduleWithFixedDelay executes series of tasks with given period
178	>	* scheduleWithFixedDelay executes series of tasks with given period.
179	>	* Eventually, it must hold that each task starts at least delay and at
180	>	* most 2 * delay after the termination of the previous task.
181		*/
182		public void testFixedDelaySequence() throws InterruptedException {
183	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
184	<	RunnableCounter counter = new RunnableCounter();
185	<	ScheduledFuture h =
186	<	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
187	<	delay(SMALL_DELAY_MS);
188	<	h.cancel(true);
189	<	int c = counter.count.get();
190	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
191	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
192	<	joinPool(p);
183	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
184	>	try (PoolCleaner cleaner = cleaner(p)) {
185	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
186	>	final long startTime = System.nanoTime();
187	>	final AtomicLong previous = new AtomicLong(startTime);
188	>	final AtomicBoolean tryLongerDelay = new AtomicBoolean(false);
189	>	final int cycles = 8;
190	>	final CountDownLatch done = new CountDownLatch(cycles);
191	>	final int d = delay;
192	>	final Runnable task = new CheckedRunnable() {
193	>	public void realRun() {
194	>	long now = System.nanoTime();
195	>	long elapsedMillis
196	>	= NANOSECONDS.toMillis(now - previous.get());
197	>	if (done.getCount() == cycles) { // first execution
198	>	if (elapsedMillis >= d)
199	>	tryLongerDelay.set(true);
200	>	} else {
201	>	assertTrue(elapsedMillis >= d);
202	>	if (elapsedMillis >= 2 * d)
203	>	tryLongerDelay.set(true);
204	>	}
205	>	previous.set(now);
206	>	done.countDown();
207	>	}};
208	>	final ScheduledFuture periodicTask =
209	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
210	>	final int totalDelayMillis = (cycles - 1) * delay;
211	>	await(done, totalDelayMillis + cycles * LONG_DELAY_MS);
212	>	periodicTask.cancel(true);
213	>	final long elapsedMillis = millisElapsedSince(startTime);
214	>	assertTrue(elapsedMillis >= totalDelayMillis);
215	>	if (!tryLongerDelay.get())
216	>	return;
217	>	// else retry with longer delay
218	>	}
219	>	fail("unexpected execution rate");
220	>	}
221		}
222
179	–
223		/**
224		* execute(null) throws NPE
225		*/
226		public void testExecuteNull() throws InterruptedException {
227	<	ScheduledThreadPoolExecutor se = null;
228	<	try {
229	<	se = new ScheduledThreadPoolExecutor(1);
230	<	se.execute(null);
231	<	shouldThrow();
232	<	} catch (NullPointerException success) {}
233	<
191	<	joinPool(se);
227	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
228	>	try (PoolCleaner cleaner = cleaner(p)) {
229	>	try {
230	>	p.execute(null);
231	>	shouldThrow();
232	>	} catch (NullPointerException success) {}
233	>	}
234		}
235
236		/**
237		* schedule(null) throws NPE
238		*/
239		public void testScheduleNull() throws InterruptedException {
240	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
241	<	try {
242	<	TrackedCallable callable = null;
243	<	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
244	<	shouldThrow();
245	<	} catch (NullPointerException success) {}
246	<	joinPool(se);
240	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
241	>	try (PoolCleaner cleaner = cleaner(p)) {
242	>	try {
243	>	TrackedCallable callable = null;
244	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
245	>	shouldThrow();
246	>	} catch (NullPointerException success) {}
247	>	}
248		}
249
250		/**
251		* execute throws RejectedExecutionException if shutdown
252		*/
253		public void testSchedule1_RejectedExecutionException() throws InterruptedException {
254	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
255	<	try {
256	<	se.shutdown();
257	<	se.schedule(new NoOpRunnable(),
258	<	MEDIUM_DELAY_MS, MILLISECONDS);
259	<	shouldThrow();
260	<	} catch (RejectedExecutionException success) {
261	<	} catch (SecurityException ok) {
254	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
255	>	try (PoolCleaner cleaner = cleaner(p)) {
256	>	try {
257	>	p.shutdown();
258	>	p.schedule(new NoOpRunnable(),
259	>	MEDIUM_DELAY_MS, MILLISECONDS);
260	>	shouldThrow();
261	>	} catch (RejectedExecutionException success) {
262	>	} catch (SecurityException ok) {}
263		}
220	–
221	–	joinPool(se);
264		}
265
266		/**
267		* schedule throws RejectedExecutionException if shutdown
268		*/
269		public void testSchedule2_RejectedExecutionException() throws InterruptedException {
270	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
271	<	try {
272	<	se.shutdown();
273	<	se.schedule(new NoOpCallable(),
274	<	MEDIUM_DELAY_MS, MILLISECONDS);
275	<	shouldThrow();
276	<	} catch (RejectedExecutionException success) {
277	<	} catch (SecurityException ok) {
270	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	p.shutdown();
274	>	p.schedule(new NoOpCallable(),
275	>	MEDIUM_DELAY_MS, MILLISECONDS);
276	>	shouldThrow();
277	>	} catch (RejectedExecutionException success) {
278	>	} catch (SecurityException ok) {}
279		}
237	–	joinPool(se);
280		}
281
282		/**
283		* schedule callable throws RejectedExecutionException if shutdown
284		*/
285		public void testSchedule3_RejectedExecutionException() throws InterruptedException {
286	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
287	<	try {
288	<	se.shutdown();
289	<	se.schedule(new NoOpCallable(),
290	<	MEDIUM_DELAY_MS, MILLISECONDS);
291	<	shouldThrow();
292	<	} catch (RejectedExecutionException success) {
293	<	} catch (SecurityException ok) {
286	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
287	>	try (PoolCleaner cleaner = cleaner(p)) {
288	>	try {
289	>	p.shutdown();
290	>	p.schedule(new NoOpCallable(),
291	>	MEDIUM_DELAY_MS, MILLISECONDS);
292	>	shouldThrow();
293	>	} catch (RejectedExecutionException success) {
294	>	} catch (SecurityException ok) {}
295		}
253	–	joinPool(se);
296		}
297
298		/**
299		* scheduleAtFixedRate throws RejectedExecutionException if shutdown
300		*/
301		public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
302	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
303	<	try {
304	<	se.shutdown();
305	<	se.scheduleAtFixedRate(new NoOpRunnable(),
306	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
307	<	shouldThrow();
308	<	} catch (RejectedExecutionException success) {
309	<	} catch (SecurityException ok) {
302	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	try {
305	>	p.shutdown();
306	>	p.scheduleAtFixedRate(new NoOpRunnable(),
307	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
308	>	shouldThrow();
309	>	} catch (RejectedExecutionException success) {
310	>	} catch (SecurityException ok) {}
311		}
269	–	joinPool(se);
312		}
313
314		/**
315		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
316		*/
317		public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
318	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
319	<	try {
320	<	se.shutdown();
321	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
322	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
323	<	shouldThrow();
324	<	} catch (RejectedExecutionException success) {
325	<	} catch (SecurityException ok) {
318	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
319	>	try (PoolCleaner cleaner = cleaner(p)) {
320	>	try {
321	>	p.shutdown();
322	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
323	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
324	>	shouldThrow();
325	>	} catch (RejectedExecutionException success) {
326	>	} catch (SecurityException ok) {}
327		}
285	–	joinPool(se);
328		}
329
330		/**
#	Line 290 | Line 332 | public class ScheduledExecutorTest exten
332		* thread becomes active
333		*/
334		public void testGetActiveCount() throws InterruptedException {
293	–	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
294	–	final CountDownLatch threadStarted = new CountDownLatch(1);
335		final CountDownLatch done = new CountDownLatch(1);
336	<	try {
336	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
337	>	try (PoolCleaner cleaner = cleaner(p, done)) {
338	>	final CountDownLatch threadStarted = new CountDownLatch(1);
339		assertEquals(0, p.getActiveCount());
340		p.execute(new CheckedRunnable() {
341		public void realRun() throws InterruptedException {
342		threadStarted.countDown();
343		assertEquals(1, p.getActiveCount());
344	<	done.await();
344	>	await(done);
345		}});
346	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
346	>	await(threadStarted);
347		assertEquals(1, p.getActiveCount());
306	–	} finally {
307	–	done.countDown();
308	–	joinPool(p);
348		}
349		}
350
#	Line 315 | Line 354 | public class ScheduledExecutorTest exten
354		*/
355		public void testGetCompletedTaskCount() throws InterruptedException {
356		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
357	<	final CountDownLatch threadStarted = new CountDownLatch(1);
358	<	final CountDownLatch threadProceed = new CountDownLatch(1);
359	<	final CountDownLatch threadDone = new CountDownLatch(1);
360	<	try {
357	>	try (PoolCleaner cleaner = cleaner(p)) {
358	>	final CountDownLatch threadStarted = new CountDownLatch(1);
359	>	final CountDownLatch threadProceed = new CountDownLatch(1);
360	>	final CountDownLatch threadDone = new CountDownLatch(1);
361		assertEquals(0, p.getCompletedTaskCount());
362		p.execute(new CheckedRunnable() {
363		public void realRun() throws InterruptedException {
#	Line 327 | Line 366 | public class ScheduledExecutorTest exten
366		threadProceed.await();
367		threadDone.countDown();
368		}});
369	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
369	>	await(threadStarted);
370		assertEquals(0, p.getCompletedTaskCount());
371		threadProceed.countDown();
372		threadDone.await();
373	<	delay(SHORT_DELAY_MS);
374	<	assertEquals(1, p.getCompletedTaskCount());
375	<	} finally {
376	<	joinPool(p);
373	>	long startTime = System.nanoTime();
374	>	while (p.getCompletedTaskCount() != 1) {
375	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
376	>	fail("timed out");
377	>	Thread.yield();
378	>	}
379		}
380		}
381
#	Line 343 | Line 384 | public class ScheduledExecutorTest exten
384		*/
385		public void testGetCorePoolSize() throws InterruptedException {
386		ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
387	<	assertEquals(1, p.getCorePoolSize());
388	<	joinPool(p);
387	>	try (PoolCleaner cleaner = cleaner(p)) {
388	>	assertEquals(1, p.getCorePoolSize());
389	>	}
390		}
391
392		/**
#	Line 356 | Line 398 | public class ScheduledExecutorTest exten
398		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
399		final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
400		final CountDownLatch done = new CountDownLatch(1);
401	<	try {
401	>	try (PoolCleaner cleaner = cleaner(p, done)) {
402		assertEquals(0, p.getLargestPoolSize());
403		for (int i = 0; i < THREADS; i++)
404		p.execute(new CheckedRunnable() {
405		public void realRun() throws InterruptedException {
406		threadsStarted.countDown();
407	<	done.await();
407	>	await(done);
408		assertEquals(THREADS, p.getLargestPoolSize());
409		}});
410	<	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
369	<	assertEquals(THREADS, p.getLargestPoolSize());
370	<	} finally {
371	<	done.countDown();
372	<	joinPool(p);
410	>	await(threadsStarted);
411		assertEquals(THREADS, p.getLargestPoolSize());
412		}
413	+	assertEquals(THREADS, p.getLargestPoolSize());
414		}
415
416		/**
#	Line 382 | Line 421 | public class ScheduledExecutorTest exten
421		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
422		final CountDownLatch threadStarted = new CountDownLatch(1);
423		final CountDownLatch done = new CountDownLatch(1);
424	<	try {
424	>	try (PoolCleaner cleaner = cleaner(p, done)) {
425		assertEquals(0, p.getPoolSize());
426		p.execute(new CheckedRunnable() {
427		public void realRun() throws InterruptedException {
428		threadStarted.countDown();
429		assertEquals(1, p.getPoolSize());
430	<	done.await();
430	>	await(done);
431		}});
432	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
432	>	await(threadStarted);
433		assertEquals(1, p.getPoolSize());
395	–	} finally {
396	–	done.countDown();
397	–	joinPool(p);
434		}
435		}
436
#	Line 403 | Line 439 | public class ScheduledExecutorTest exten
439		* submitted
440		*/
441		public void testGetTaskCount() throws InterruptedException {
442	<	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
407	<	final CountDownLatch threadStarted = new CountDownLatch(1);
442	>	final int TASKS = 3;
443		final CountDownLatch done = new CountDownLatch(1);
444	<	final int TASKS = 5;
445	<	try {
444	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
445	>	try (PoolCleaner cleaner = cleaner(p, done)) {
446	>	final CountDownLatch threadStarted = new CountDownLatch(1);
447		assertEquals(0, p.getTaskCount());
448	<	for (int i = 0; i < TASKS; i++)
448	>	assertEquals(0, p.getCompletedTaskCount());
449	>	p.execute(new CheckedRunnable() {
450	>	public void realRun() throws InterruptedException {
451	>	threadStarted.countDown();
452	>	await(done);
453	>	}});
454	>	await(threadStarted);
455	>	assertEquals(1, p.getTaskCount());
456	>	assertEquals(0, p.getCompletedTaskCount());
457	>	for (int i = 0; i < TASKS; i++) {
458	>	assertEquals(1 + i, p.getTaskCount());
459		p.execute(new CheckedRunnable() {
460		public void realRun() throws InterruptedException {
461		threadStarted.countDown();
462	<	done.await();
462	>	assertEquals(1 + TASKS, p.getTaskCount());
463	>	await(done);
464		}});
465	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
466	<	assertEquals(TASKS, p.getTaskCount());
467	<	} finally {
421	<	done.countDown();
422	<	joinPool(p);
465	>	}
466	>	assertEquals(1 + TASKS, p.getTaskCount());
467	>	assertEquals(0, p.getCompletedTaskCount());
468		}
469	+	assertEquals(1 + TASKS, p.getTaskCount());
470	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
471		}
472
473		/**
474		* getThreadFactory returns factory in constructor if not set
475		*/
476		public void testGetThreadFactory() throws InterruptedException {
477	<	ThreadFactory tf = new SimpleThreadFactory();
478	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
479	<	assertSame(tf, p.getThreadFactory());
480	<	joinPool(p);
477	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
478	>	final ScheduledThreadPoolExecutor p =
479	>	new ScheduledThreadPoolExecutor(1, threadFactory);
480	>	try (PoolCleaner cleaner = cleaner(p)) {
481	>	assertSame(threadFactory, p.getThreadFactory());
482	>	}
483		}
484
485		/**
486		* setThreadFactory sets the thread factory returned by getThreadFactory
487		*/
488		public void testSetThreadFactory() throws InterruptedException {
489	<	ThreadFactory tf = new SimpleThreadFactory();
490	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
491	<	p.setThreadFactory(tf);
492	<	assertSame(tf, p.getThreadFactory());
493	<	joinPool(p);
489	>	ThreadFactory threadFactory = new SimpleThreadFactory();
490	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
491	>	try (PoolCleaner cleaner = cleaner(p)) {
492	>	p.setThreadFactory(threadFactory);
493	>	assertSame(threadFactory, p.getThreadFactory());
494	>	}
495		}
496
497		/**
498		* setThreadFactory(null) throws NPE
499		*/
500		public void testSetThreadFactoryNull() throws InterruptedException {
501	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
502	<	try {
503	<	p.setThreadFactory(null);
504	<	shouldThrow();
505	<	} catch (NullPointerException success) {
506	<	} finally {
457	<	joinPool(p);
501	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
502	>	try (PoolCleaner cleaner = cleaner(p)) {
503	>	try {
504	>	p.setThreadFactory(null);
505	>	shouldThrow();
506	>	} catch (NullPointerException success) {}
507		}
508		}
509
510		/**
511	<	* isShutDown is false before shutdown, true after
511	>	* isShutdown is false before shutdown, true after
512		*/
513		public void testIsShutdown() {
514
515	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
515	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
516		try {
517		assertFalse(p.isShutdown());
518		}
#	Line 473 | Line 522 | public class ScheduledExecutorTest exten
522		assertTrue(p.isShutdown());
523		}
524
476	–
525		/**
526		* isTerminated is false before termination, true after
527		*/
528		public void testIsTerminated() throws InterruptedException {
529		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
530	<	final CountDownLatch threadStarted = new CountDownLatch(1);
531	<	final CountDownLatch done = new CountDownLatch(1);
532	<	assertFalse(p.isTerminated());
533	<	try {
530	>	try (PoolCleaner cleaner = cleaner(p)) {
531	>	final CountDownLatch threadStarted = new CountDownLatch(1);
532	>	final CountDownLatch done = new CountDownLatch(1);
533	>	assertFalse(p.isTerminated());
534		p.execute(new CheckedRunnable() {
535		public void realRun() throws InterruptedException {
536		assertFalse(p.isTerminated());
537		threadStarted.countDown();
538	<	done.await();
538	>	await(done);
539		}});
540	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
540	>	await(threadStarted);
541		assertFalse(p.isTerminating());
542		done.countDown();
495	–	} finally {
543		try { p.shutdown(); } catch (SecurityException ok) { return; }
544	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
545	+	assertTrue(p.isTerminated());
546		}
498	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
499	–	assertTrue(p.isTerminated());
547		}
548
549		/**
#	Line 506 | Line 553 | public class ScheduledExecutorTest exten
553		final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
554		final CountDownLatch threadStarted = new CountDownLatch(1);
555		final CountDownLatch done = new CountDownLatch(1);
556	<	try {
556	>	try (PoolCleaner cleaner = cleaner(p)) {
557		assertFalse(p.isTerminating());
558		p.execute(new CheckedRunnable() {
559		public void realRun() throws InterruptedException {
560		assertFalse(p.isTerminating());
561		threadStarted.countDown();
562	<	done.await();
562	>	await(done);
563		}});
564	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
564	>	await(threadStarted);
565		assertFalse(p.isTerminating());
566		done.countDown();
520	–	} finally {
567		try { p.shutdown(); } catch (SecurityException ok) { return; }
568	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
569	+	assertTrue(p.isTerminated());
570	+	assertFalse(p.isTerminating());
571		}
523	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
524	–	assertTrue(p.isTerminated());
525	–	assertFalse(p.isTerminating());
572		}
573
574		/**
575		* getQueue returns the work queue, which contains queued tasks
576		*/
577		public void testGetQueue() throws InterruptedException {
532	–	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
533	–	final CountDownLatch threadStarted = new CountDownLatch(1);
578		final CountDownLatch done = new CountDownLatch(1);
579	<	try {
579	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
580	>	try (PoolCleaner cleaner = cleaner(p, done)) {
581	>	final CountDownLatch threadStarted = new CountDownLatch(1);
582		ScheduledFuture[] tasks = new ScheduledFuture[5];
583		for (int i = 0; i < tasks.length; i++) {
584		Runnable r = new CheckedRunnable() {
585		public void realRun() throws InterruptedException {
586		threadStarted.countDown();
587	<	done.await();
587	>	await(done);
588		}};
589		tasks[i] = p.schedule(r, 1, MILLISECONDS);
590		}
591	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
591	>	await(threadStarted);
592		BlockingQueue<Runnable> q = p.getQueue();
593		assertTrue(q.contains(tasks[tasks.length - 1]));
594		assertFalse(q.contains(tasks[0]));
549	–	} finally {
550	–	done.countDown();
551	–	joinPool(p);
595		}
596		}
597
#	Line 556 | Line 599 | public class ScheduledExecutorTest exten
599		* remove(task) removes queued task, and fails to remove active task
600		*/
601		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);
602		final CountDownLatch done = new CountDownLatch(1);
603	<	try {
603	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
604	>	try (PoolCleaner cleaner = cleaner(p, done)) {
605	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
606	>	final CountDownLatch threadStarted = new CountDownLatch(1);
607		for (int i = 0; i < tasks.length; i++) {
608		Runnable r = new CheckedRunnable() {
609		public void realRun() throws InterruptedException {
610		threadStarted.countDown();
611	<	done.await();
611	>	await(done);
612		}};
613		tasks[i] = p.schedule(r, 1, MILLISECONDS);
614		}
615	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
615	>	await(threadStarted);
616		BlockingQueue<Runnable> q = p.getQueue();
617		assertFalse(p.remove((Runnable)tasks[0]));
618		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 580 | Line 623 | public class ScheduledExecutorTest exten
623		assertTrue(q.contains((Runnable)tasks[3]));
624		assertTrue(p.remove((Runnable)tasks[3]));
625		assertFalse(q.contains((Runnable)tasks[3]));
583	–	} finally {
584	–	done.countDown();
585	–	joinPool(p);
626		}
627		}
628
629		/**
630	<	* purge removes cancelled tasks from the queue
630	>	* purge eventually removes cancelled tasks from the queue
631		*/
632		public void testPurge() throws InterruptedException {
633	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
634	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
635	<	for (int i = 0; i < tasks.length; i++) {
636	<	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
637	<	}
638	<	try {
633	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
634	>	final Runnable releaser = new Runnable() { public void run() {
635	>	for (ScheduledFuture task : tasks)
636	>	if (task != null) task.cancel(true); }};
637	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
638	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
639	>	for (int i = 0; i < tasks.length; i++)
640	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
641	>	LONG_DELAY_MS, MILLISECONDS);
642		int max = tasks.length;
643		if (tasks[4].cancel(true)) --max;
644		if (tasks[3].cancel(true)) --max;
645		// There must eventually be an interference-free point at
646		// which purge will not fail. (At worst, when queue is empty.)
647	<	int k;
648	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
647	>	long startTime = System.nanoTime();
648	>	do {
649		p.purge();
650		long count = p.getTaskCount();
651	<	if (count >= 0 && count <= max)
652	<	break;
653	<	delay(1);
654	<	}
612	<	assertTrue(k < SMALL_DELAY_MS);
613	<	} finally {
614	<	for (ScheduledFuture task : tasks)
615	<	task.cancel(true);
616	<	joinPool(p);
651	>	if (count == max)
652	>	return;
653	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
654	>	fail("Purge failed to remove cancelled tasks");
655		}
656		}
657
658		/**
659	<	* shutDownNow returns a list containing tasks that were not run
660	<	*/
661	<	public void testShutDownNow() throws InterruptedException {
662	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
663	<	for (int i = 0; i < 5; i++)
664	<	p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
665	<	List l;
659	>	* shutdownNow returns a list containing tasks that were not run,
660	>	* and those tasks are drained from the queue
661	>	*/
662	>	public void testShutdownNow() throws InterruptedException {
663	>	final int poolSize = 2;
664	>	final int count = 5;
665	>	final AtomicInteger ran = new AtomicInteger(0);
666	>	final ScheduledThreadPoolExecutor p =
667	>	new ScheduledThreadPoolExecutor(poolSize);
668	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
669	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
670	>	threadsStarted.countDown();
671	>	try {
672	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
673	>	} catch (InterruptedException success) {}
674	>	ran.getAndIncrement();
675	>	}};
676	>	for (int i = 0; i < count; i++)
677	>	p.execute(waiter);
678	>	await(threadsStarted);
679	>	assertEquals(poolSize, p.getActiveCount());
680	>	assertEquals(0, p.getCompletedTaskCount());
681	>	final List<Runnable> queuedTasks;
682		try {
683	<	l = p.shutdownNow();
683	>	queuedTasks = p.shutdownNow();
684		} catch (SecurityException ok) {
685	<	return;
685	>	return; // Allowed in case test doesn't have privs
686		}
687		assertTrue(p.isShutdown());
688	<	assertTrue(l.size() > 0 && l.size() <= 5);
689	<	joinPool(p);
688	>	assertTrue(p.getQueue().isEmpty());
689	>	assertEquals(count - poolSize, queuedTasks.size());
690	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
691	>	assertTrue(p.isTerminated());
692	>	assertEquals(poolSize, ran.get());
693	>	assertEquals(poolSize, p.getCompletedTaskCount());
694		}
695
696		/**
697	<	* In default setting, shutdown cancels periodic but not delayed
698	<	* tasks at shutdown
697	>	* shutdownNow returns a list containing tasks that were not run,
698	>	* and those tasks are drained from the queue
699		*/
700	<	public void testShutDown1() throws InterruptedException {
701	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
702	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
703	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
704	<
705	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
706	<	for (int i = 0; i < tasks.length; i++)
707	<	tasks[i] = p.schedule(new NoOpRunnable(),
708	<	SHORT_DELAY_MS, MILLISECONDS);
709	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
710	<	BlockingQueue<Runnable> q = p.getQueue();
711	<	for (ScheduledFuture task : tasks) {
712	<	assertFalse(task.isDone());
713	<	assertFalse(task.isCancelled());
714	<	assertTrue(q.contains(task));
700	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
701	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
702	>	List<ScheduledFuture> tasks = new ArrayList<>();
703	>	for (int i = 0; i < 3; i++) {
704	>	Runnable r = new NoOpRunnable();
705	>	tasks.add(p.schedule(r, 9, SECONDS));
706	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
707	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
708	>	}
709	>	if (testImplementationDetails)
710	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
711	>	final List<Runnable> queuedTasks;
712	>	try {
713	>	queuedTasks = p.shutdownNow();
714	>	} catch (SecurityException ok) {
715	>	return; // Allowed in case test doesn't have privs
716		}
717		assertTrue(p.isShutdown());
718	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
719	<	assertTrue(p.isTerminated());
718	>	assertTrue(p.getQueue().isEmpty());
719	>	if (testImplementationDetails)
720	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
721	>	assertEquals(tasks.size(), queuedTasks.size());
722		for (ScheduledFuture task : tasks) {
723	<	assertTrue(task.isDone());
723	>	assertFalse(task.isDone());
724		assertFalse(task.isCancelled());
725		}
726	<	}
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));
726	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
727		assertTrue(p.isTerminated());
688	–	for (ScheduledFuture task : tasks) {
689	–	assertTrue(task.isDone());
690	–	assertTrue(task.isCancelled());
691	–	}
728		}
729
730		/**
731	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
732	<	* periodic tasks are cancelled at shutdown
733	<	*/
734	<	public void testShutDown3() throws InterruptedException {
735	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
736	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
737	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
738	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
739	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
740	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
741	<	ScheduledFuture task =
742	<	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
731	>	* By default, periodic tasks are cancelled at shutdown.
732	>	* By default, delayed tasks keep running after shutdown.
733	>	* Check that changing the default values work:
734	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
735	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
736	>	*/
737	>	public void testShutdown_cancellation() throws Exception {
738	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
739	>	for (Boolean policy : allBooleans)
740	>	{
741	>	final int poolSize = 2;
742	>	final ScheduledThreadPoolExecutor p
743	>	= new ScheduledThreadPoolExecutor(poolSize);
744	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
745	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
746	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
747	>	if (policy != null) {
748	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
749	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
750	>	p.setRemoveOnCancelPolicy(policy);
751	>	}
752	>	assertEquals(effectiveDelayedPolicy,
753	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
754	>	assertEquals(effectivePeriodicPolicy,
755	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
756	>	assertEquals(effectiveRemovePolicy,
757	>	p.getRemoveOnCancelPolicy());
758	>	// Strategy: Wedge the pool with poolSize "blocker" threads
759	>	final AtomicInteger ran = new AtomicInteger(0);
760	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
761	>	final CountDownLatch unblock = new CountDownLatch(1);
762	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
763	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
764	>	Runnable task = new CheckedRunnable() { public void realRun()
765	>	throws InterruptedException {
766	>	poolBlocked.countDown();
767	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
768	>	ran.getAndIncrement();
769	>	}};
770	>	List<Future<?>> blockers = new ArrayList<>();
771	>	List<Future<?>> periodics = new ArrayList<>();
772	>	List<Future<?>> delayeds = new ArrayList<>();
773	>	for (int i = 0; i < poolSize; i++)
774	>	blockers.add(p.submit(task));
775	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
776	>
777	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
778	>	1, 1, MILLISECONDS));
779	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
780	>	1, 1, MILLISECONDS));
781	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
782	>
783	>	assertTrue(p.getQueue().containsAll(periodics));
784	>	assertTrue(p.getQueue().containsAll(delayeds));
785		try { p.shutdown(); } catch (SecurityException ok) { return; }
786		assertTrue(p.isShutdown());
787	<	BlockingQueue q = p.getQueue();
788	<	assertTrue(p.getQueue().isEmpty());
789	<	assertTrue(task.isDone());
790	<	assertTrue(task.isCancelled());
791	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
792	<	assertTrue(p.isTerminated());
793	<	}
794	<
795	<	/**
796	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
797	<	* periodic tasks are not cancelled at shutdown
798	<	*/
799	<	public void testShutDown4() throws InterruptedException {
800	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
801	<	final CountDownLatch counter = new CountDownLatch(2);
802	<	try {
803	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
804	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
805	<	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
806	<	final Runnable r = new CheckedRunnable() {
807	<	public void realRun() {
808	<	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());
787	>	assertFalse(p.isTerminated());
788	>	for (Future<?> periodic : periodics) {
789	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
790	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
791	>	}
792	>	for (Future<?> delayed : delayeds) {
793	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
794	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
795	>	}
796	>	if (testImplementationDetails) {
797	>	assertEquals(effectivePeriodicPolicy,
798	>	p.getQueue().containsAll(periodics));
799	>	assertEquals(effectiveDelayedPolicy,
800	>	p.getQueue().containsAll(delayeds));
801	>	}
802	>	// Release all pool threads
803	>	unblock.countDown();
804	>
805	>	for (Future<?> delayed : delayeds) {
806	>	if (effectiveDelayedPolicy) {
807	>	assertNull(delayed.get());
808	>	}
809		}
810	<	finally {
811	<	joinPool(p);
810	>	if (effectivePeriodicPolicy) {
811	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
812	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
813	>	for (Future<?> periodic : periodics) {
814	>	assertTrue(periodic.cancel(false));
815	>	assertTrue(periodic.isCancelled());
816	>	assertTrue(periodic.isDone());
817	>	}
818		}
819	<	}
819	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
820	>	assertTrue(p.isTerminated());
821	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
822	>	}}
823
824		/**
825		* completed submit of callable returns result
826		*/
827		public void testSubmitCallable() throws Exception {
828	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
829	<	try {
828	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
829	>	try (PoolCleaner cleaner = cleaner(e)) {
830		Future<String> future = e.submit(new StringTask());
831		String result = future.get();
832		assertSame(TEST_STRING, result);
762	–	} finally {
763	–	joinPool(e);
833		}
834		}
835
#	Line 768 | Line 837 | public class ScheduledExecutorTest exten
837		* completed submit of runnable returns successfully
838		*/
839		public void testSubmitRunnable() throws Exception {
840	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
841	<	try {
840	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
841	>	try (PoolCleaner cleaner = cleaner(e)) {
842		Future<?> future = e.submit(new NoOpRunnable());
843		future.get();
844		assertTrue(future.isDone());
776	–	} finally {
777	–	joinPool(e);
845		}
846		}
847
#	Line 782 | Line 849 | public class ScheduledExecutorTest exten
849		* completed submit of (runnable, result) returns result
850		*/
851		public void testSubmitRunnable2() throws Exception {
852	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
853	<	try {
852	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
853	>	try (PoolCleaner cleaner = cleaner(e)) {
854		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
855		String result = future.get();
856		assertSame(TEST_STRING, result);
790	–	} finally {
791	–	joinPool(e);
857		}
858		}
859
#	Line 796 | Line 861 | public class ScheduledExecutorTest exten
861		* invokeAny(null) throws NPE
862		*/
863		public void testInvokeAny1() throws Exception {
864	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
865	<	try {
866	<	e.invokeAny(null);
867	<	shouldThrow();
868	<	} catch (NullPointerException success) {
869	<	} finally {
805	<	joinPool(e);
864	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
865	>	try (PoolCleaner cleaner = cleaner(e)) {
866	>	try {
867	>	e.invokeAny(null);
868	>	shouldThrow();
869	>	} catch (NullPointerException success) {}
870		}
871		}
872
#	Line 810 | Line 874 | public class ScheduledExecutorTest exten
874		* invokeAny(empty collection) throws IAE
875		*/
876		public void testInvokeAny2() throws Exception {
877	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
878	<	try {
879	<	e.invokeAny(new ArrayList<Callable<String>>());
880	<	shouldThrow();
881	<	} catch (IllegalArgumentException success) {
882	<	} finally {
819	<	joinPool(e);
877	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
878	>	try (PoolCleaner cleaner = cleaner(e)) {
879	>	try {
880	>	e.invokeAny(new ArrayList<Callable<String>>());
881	>	shouldThrow();
882	>	} catch (IllegalArgumentException success) {}
883		}
884		}
885
#	Line 825 | Line 888 | public class ScheduledExecutorTest exten
888		*/
889		public void testInvokeAny3() throws Exception {
890		CountDownLatch latch = new CountDownLatch(1);
891	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
892	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
893	<	l.add(latchAwaitingStringTask(latch));
894	<	l.add(null);
895	<	try {
896	<	e.invokeAny(l);
897	<	shouldThrow();
898	<	} catch (NullPointerException success) {
899	<	} finally {
891	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
892	>	try (PoolCleaner cleaner = cleaner(e)) {
893	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
894	>	l.add(latchAwaitingStringTask(latch));
895	>	l.add(null);
896	>	try {
897	>	e.invokeAny(l);
898	>	shouldThrow();
899	>	} catch (NullPointerException success) {}
900		latch.countDown();
838	–	joinPool(e);
901		}
902		}
903
#	Line 843 | Line 905 | public class ScheduledExecutorTest exten
905		* invokeAny(c) throws ExecutionException if no task completes
906		*/
907		public void testInvokeAny4() throws Exception {
908	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
909	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
910	<	l.add(new NPETask());
911	<	try {
912	<	e.invokeAny(l);
913	<	shouldThrow();
914	<	} catch (ExecutionException success) {
915	<	assertTrue(success.getCause() instanceof NullPointerException);
916	<	} finally {
917	<	joinPool(e);
908	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
909	>	try (PoolCleaner cleaner = cleaner(e)) {
910	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
911	>	l.add(new NPETask());
912	>	try {
913	>	e.invokeAny(l);
914	>	shouldThrow();
915	>	} catch (ExecutionException success) {
916	>	assertTrue(success.getCause() instanceof NullPointerException);
917	>	}
918		}
919		}
920
#	Line 860 | Line 922 | public class ScheduledExecutorTest exten
922		* invokeAny(c) returns result of some task
923		*/
924		public void testInvokeAny5() throws Exception {
925	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
926	<	try {
925	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
926	>	try (PoolCleaner cleaner = cleaner(e)) {
927		List<Callable<String>> l = new ArrayList<Callable<String>>();
928		l.add(new StringTask());
929		l.add(new StringTask());
930		String result = e.invokeAny(l);
931		assertSame(TEST_STRING, result);
870	–	} finally {
871	–	joinPool(e);
932		}
933		}
934
#	Line 876 | Line 936 | public class ScheduledExecutorTest exten
936		* invokeAll(null) throws NPE
937		*/
938		public void testInvokeAll1() throws Exception {
939	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
940	<	try {
941	<	e.invokeAll(null);
942	<	shouldThrow();
943	<	} catch (NullPointerException success) {
944	<	} finally {
885	<	joinPool(e);
939	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
940	>	try (PoolCleaner cleaner = cleaner(e)) {
941	>	try {
942	>	e.invokeAll(null);
943	>	shouldThrow();
944	>	} catch (NullPointerException success) {}
945		}
946		}
947
#	Line 890 | Line 949 | public class ScheduledExecutorTest exten
949		* invokeAll(empty collection) returns empty collection
950		*/
951		public void testInvokeAll2() throws Exception {
952	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
953	<	try {
952	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
953	>	try (PoolCleaner cleaner = cleaner(e)) {
954		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
955		assertTrue(r.isEmpty());
897	–	} finally {
898	–	joinPool(e);
956		}
957		}
958
#	Line 903 | Line 960 | public class ScheduledExecutorTest exten
960		* invokeAll(c) throws NPE if c has null elements
961		*/
962		public void testInvokeAll3() throws Exception {
963	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
964	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
965	<	l.add(new StringTask());
966	<	l.add(null);
967	<	try {
968	<	e.invokeAll(l);
969	<	shouldThrow();
970	<	} catch (NullPointerException success) {
971	<	} finally {
915	<	joinPool(e);
963	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
964	>	try (PoolCleaner cleaner = cleaner(e)) {
965	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
966	>	l.add(new StringTask());
967	>	l.add(null);
968	>	try {
969	>	e.invokeAll(l);
970	>	shouldThrow();
971	>	} catch (NullPointerException success) {}
972		}
973		}
974
#	Line 920 | Line 976 | public class ScheduledExecutorTest exten
976		* get of invokeAll(c) throws exception on failed task
977		*/
978		public void testInvokeAll4() throws Exception {
979	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
980	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
981	<	l.add(new NPETask());
982	<	List<Future<String>> futures = e.invokeAll(l);
983	<	assertEquals(1, futures.size());
984	<	try {
985	<	futures.get(0).get();
986	<	shouldThrow();
987	<	} catch (ExecutionException success) {
988	<	assertTrue(success.getCause() instanceof NullPointerException);
989	<	} finally {
990	<	joinPool(e);
979	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
980	>	try (PoolCleaner cleaner = cleaner(e)) {
981	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
982	>	l.add(new NPETask());
983	>	List<Future<String>> futures = e.invokeAll(l);
984	>	assertEquals(1, futures.size());
985	>	try {
986	>	futures.get(0).get();
987	>	shouldThrow();
988	>	} catch (ExecutionException success) {
989	>	assertTrue(success.getCause() instanceof NullPointerException);
990	>	}
991		}
992		}
993
#	Line 939 | Line 995 | public class ScheduledExecutorTest exten
995		* invokeAll(c) returns results of all completed tasks
996		*/
997		public void testInvokeAll5() throws Exception {
998	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
999	<	try {
998	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
999	>	try (PoolCleaner cleaner = cleaner(e)) {
1000		List<Callable<String>> l = new ArrayList<Callable<String>>();
1001		l.add(new StringTask());
1002		l.add(new StringTask());
#	Line 948 | Line 1004 | public class ScheduledExecutorTest exten
1004		assertEquals(2, futures.size());
1005		for (Future<String> future : futures)
1006		assertSame(TEST_STRING, future.get());
951	–	} finally {
952	–	joinPool(e);
1007		}
1008		}
1009
#	Line 957 | Line 1011 | public class ScheduledExecutorTest exten
1011		* timed invokeAny(null) throws NPE
1012		*/
1013		public void testTimedInvokeAny1() throws Exception {
1014	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1015	<	try {
1016	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1017	<	shouldThrow();
1018	<	} catch (NullPointerException success) {
1019	<	} finally {
966	<	joinPool(e);
1014	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1015	>	try (PoolCleaner cleaner = cleaner(e)) {
1016	>	try {
1017	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1018	>	shouldThrow();
1019	>	} catch (NullPointerException success) {}
1020		}
1021		}
1022
#	Line 971 | Line 1024 | public class ScheduledExecutorTest exten
1024		* timed invokeAny(,,null) throws NPE
1025		*/
1026		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1027	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1028	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1029	<	l.add(new StringTask());
1030	<	try {
1031	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1032	<	shouldThrow();
1033	<	} catch (NullPointerException success) {
1034	<	} finally {
982	<	joinPool(e);
1027	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1028	>	try (PoolCleaner cleaner = cleaner(e)) {
1029	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1030	>	l.add(new StringTask());
1031	>	try {
1032	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1033	>	shouldThrow();
1034	>	} catch (NullPointerException success) {}
1035		}
1036		}
1037
#	Line 987 | Line 1039 | public class ScheduledExecutorTest exten
1039		* timed invokeAny(empty collection) throws IAE
1040		*/
1041		public void testTimedInvokeAny2() throws Exception {
1042	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1043	<	try {
1044	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1045	<	shouldThrow();
1046	<	} catch (IllegalArgumentException success) {
1047	<	} finally {
996	<	joinPool(e);
1042	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1043	>	try (PoolCleaner cleaner = cleaner(e)) {
1044	>	try {
1045	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1046	>	shouldThrow();
1047	>	} catch (IllegalArgumentException success) {}
1048		}
1049		}
1050
#	Line 1002 | Line 1053 | public class ScheduledExecutorTest exten
1053		*/
1054		public void testTimedInvokeAny3() throws Exception {
1055		CountDownLatch latch = new CountDownLatch(1);
1056	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1057	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1058	<	l.add(latchAwaitingStringTask(latch));
1059	<	l.add(null);
1060	<	try {
1061	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1062	<	shouldThrow();
1063	<	} catch (NullPointerException success) {
1064	<	} finally {
1056	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1057	>	try (PoolCleaner cleaner = cleaner(e)) {
1058	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1059	>	l.add(latchAwaitingStringTask(latch));
1060	>	l.add(null);
1061	>	try {
1062	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1063	>	shouldThrow();
1064	>	} catch (NullPointerException success) {}
1065		latch.countDown();
1015	–	joinPool(e);
1066		}
1067		}
1068
#	Line 1020 | Line 1070 | public class ScheduledExecutorTest exten
1070		* timed invokeAny(c) throws ExecutionException if no task completes
1071		*/
1072		public void testTimedInvokeAny4() throws Exception {
1073	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1074	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1075	<	l.add(new NPETask());
1076	<	try {
1077	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1078	<	shouldThrow();
1079	<	} catch (ExecutionException success) {
1080	<	assertTrue(success.getCause() instanceof NullPointerException);
1081	<	} finally {
1082	<	joinPool(e);
1073	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1074	>	try (PoolCleaner cleaner = cleaner(e)) {
1075	>	long startTime = System.nanoTime();
1076	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1077	>	l.add(new NPETask());
1078	>	try {
1079	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1080	>	shouldThrow();
1081	>	} catch (ExecutionException success) {
1082	>	assertTrue(success.getCause() instanceof NullPointerException);
1083	>	}
1084	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1085		}
1086		}
1087
#	Line 1037 | Line 1089 | public class ScheduledExecutorTest exten
1089		* timed invokeAny(c) returns result of some task
1090		*/
1091		public void testTimedInvokeAny5() throws Exception {
1092	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1093	<	try {
1092	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1093	>	try (PoolCleaner cleaner = cleaner(e)) {
1094	>	long startTime = System.nanoTime();
1095		List<Callable<String>> l = new ArrayList<Callable<String>>();
1096		l.add(new StringTask());
1097		l.add(new StringTask());
1098	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1098	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1099		assertSame(TEST_STRING, result);
1100	<	} finally {
1048	<	joinPool(e);
1100	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1101		}
1102		}
1103
#	Line 1053 | Line 1105 | public class ScheduledExecutorTest exten
1105		* timed invokeAll(null) throws NPE
1106		*/
1107		public void testTimedInvokeAll1() throws Exception {
1108	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1109	<	try {
1110	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1111	<	shouldThrow();
1112	<	} catch (NullPointerException success) {
1113	<	} finally {
1062	<	joinPool(e);
1108	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1109	>	try (PoolCleaner cleaner = cleaner(e)) {
1110	>	try {
1111	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1112	>	shouldThrow();
1113	>	} catch (NullPointerException success) {}
1114		}
1115		}
1116
#	Line 1067 | Line 1118 | public class ScheduledExecutorTest exten
1118		* timed invokeAll(,,null) throws NPE
1119		*/
1120		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1121	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1122	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1123	<	l.add(new StringTask());
1124	<	try {
1125	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1126	<	shouldThrow();
1127	<	} catch (NullPointerException success) {
1128	<	} finally {
1078	<	joinPool(e);
1121	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1122	>	try (PoolCleaner cleaner = cleaner(e)) {
1123	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1124	>	l.add(new StringTask());
1125	>	try {
1126	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1127	>	shouldThrow();
1128	>	} catch (NullPointerException success) {}
1129		}
1130		}
1131
#	Line 1083 | Line 1133 | public class ScheduledExecutorTest exten
1133		* timed invokeAll(empty collection) returns empty collection
1134		*/
1135		public void testTimedInvokeAll2() throws Exception {
1136	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	<	try {
1138	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1136	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	>	try (PoolCleaner cleaner = cleaner(e)) {
1138	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1139	>	MEDIUM_DELAY_MS, MILLISECONDS);
1140		assertTrue(r.isEmpty());
1090	–	} finally {
1091	–	joinPool(e);
1141		}
1142		}
1143
#	Line 1096 | Line 1145 | public class ScheduledExecutorTest exten
1145		* timed invokeAll(c) throws NPE if c has null elements
1146		*/
1147		public void testTimedInvokeAll3() throws Exception {
1148	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1149	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1150	<	l.add(new StringTask());
1151	<	l.add(null);
1152	<	try {
1153	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1154	<	shouldThrow();
1155	<	} catch (NullPointerException success) {
1156	<	} finally {
1108	<	joinPool(e);
1148	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1149	>	try (PoolCleaner cleaner = cleaner(e)) {
1150	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1151	>	l.add(new StringTask());
1152	>	l.add(null);
1153	>	try {
1154	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1155	>	shouldThrow();
1156	>	} catch (NullPointerException success) {}
1157		}
1158		}
1159
#	Line 1113 | Line 1161 | public class ScheduledExecutorTest exten
1161		* get of element of invokeAll(c) throws exception on failed task
1162		*/
1163		public void testTimedInvokeAll4() throws Exception {
1164	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1165	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1166	<	l.add(new NPETask());
1167	<	List<Future<String>> futures =
1168	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1169	<	assertEquals(1, futures.size());
1170	<	try {
1171	<	futures.get(0).get();
1172	<	shouldThrow();
1173	<	} catch (ExecutionException success) {
1174	<	assertTrue(success.getCause() instanceof NullPointerException);
1175	<	} finally {
1176	<	joinPool(e);
1164	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1165	>	try (PoolCleaner cleaner = cleaner(e)) {
1166	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1167	>	l.add(new NPETask());
1168	>	List<Future<String>> futures =
1169	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1170	>	assertEquals(1, futures.size());
1171	>	try {
1172	>	futures.get(0).get();
1173	>	shouldThrow();
1174	>	} catch (ExecutionException success) {
1175	>	assertTrue(success.getCause() instanceof NullPointerException);
1176	>	}
1177		}
1178		}
1179
#	Line 1133 | Line 1181 | public class ScheduledExecutorTest exten
1181		* timed invokeAll(c) returns results of all completed tasks
1182		*/
1183		public void testTimedInvokeAll5() throws Exception {
1184	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1185	<	try {
1184	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1185	>	try (PoolCleaner cleaner = cleaner(e)) {
1186		List<Callable<String>> l = new ArrayList<Callable<String>>();
1187		l.add(new StringTask());
1188		l.add(new StringTask());
1189		List<Future<String>> futures =
1190	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1190	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1191		assertEquals(2, futures.size());
1192		for (Future<String> future : futures)
1193		assertSame(TEST_STRING, future.get());
1146	–	} finally {
1147	–	joinPool(e);
1194		}
1195		}
1196
#	Line 1152 | Line 1198 | public class ScheduledExecutorTest exten
1198		* timed invokeAll(c) cancels tasks not completed by timeout
1199		*/
1200		public void testTimedInvokeAll6() throws Exception {
1201	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1202	<	try {
1203	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1204	<	l.add(new StringTask());
1205	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1206	<	l.add(new StringTask());
1207	<	List<Future<String>> futures =
1208	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1209	<	assertEquals(3, futures.size());
1210	<	Iterator<Future<String>> it = futures.iterator();
1211	<	Future<String> f1 = it.next();
1212	<	Future<String> f2 = it.next();
1213	<	Future<String> f3 = it.next();
1214	<	assertTrue(f1.isDone());
1215	<	assertTrue(f2.isDone());
1216	<	assertTrue(f3.isDone());
1217	<	assertFalse(f1.isCancelled());
1218	<	assertTrue(f2.isCancelled());
1219	<	} finally {
1220	<	joinPool(e);
1201	>	for (long timeout = timeoutMillis();;) {
1202	>	final CountDownLatch done = new CountDownLatch(1);
1203	>	final Callable<String> waiter = new CheckedCallable<String>() {
1204	>	public String realCall() {
1205	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1206	>	catch (InterruptedException ok) {}
1207	>	return "1"; }};
1208	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1209	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1210	>	List<Callable<String>> tasks = new ArrayList<>();
1211	>	tasks.add(new StringTask("0"));
1212	>	tasks.add(waiter);
1213	>	tasks.add(new StringTask("2"));
1214	>	long startTime = System.nanoTime();
1215	>	List<Future<String>> futures =
1216	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1217	>	assertEquals(tasks.size(), futures.size());
1218	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1219	>	for (Future future : futures)
1220	>	assertTrue(future.isDone());
1221	>	assertTrue(futures.get(1).isCancelled());
1222	>	try {
1223	>	assertEquals("0", futures.get(0).get());
1224	>	assertEquals("2", futures.get(2).get());
1225	>	break;
1226	>	} catch (CancellationException retryWithLongerTimeout) {
1227	>	timeout *= 2;
1228	>	if (timeout >= LONG_DELAY_MS / 2)
1229	>	fail("expected exactly one task to be cancelled");
1230	>	}
1231	>	}
1232		}
1233		}
1234
1235	+	/**
1236	+	* A fixed delay task with overflowing period should not prevent a
1237	+	* one-shot task from executing.
1238	+	* https://bugs.openjdk.java.net/browse/JDK-8051859
1239	+	*/
1240	+	public void testScheduleWithFixedDelay_overflow() throws Exception {
1241	+	final CountDownLatch delayedDone = new CountDownLatch(1);
1242	+	final CountDownLatch immediateDone = new CountDownLatch(1);
1243	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1244	+	try (PoolCleaner cleaner = cleaner(p)) {
1245	+	final Runnable immediate = new Runnable() { public void run() {
1246	+	immediateDone.countDown();
1247	+	}};
1248	+	final Runnable delayed = new Runnable() { public void run() {
1249	+	delayedDone.countDown();
1250	+	p.submit(immediate);
1251	+	}};
1252	+	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1253	+	await(delayedDone);
1254	+	await(immediateDone);
1255	+	}
1256	+	}
1257
1258		}

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