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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.10 by dl, Mon Dec 22 00:48:56 2003 UTC vs.
Revision 1.57 by jsr166, Mon Sep 28 03:05:23 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import junit.framework.*;
10	<	import java.util.*;
11	<	import java.util.concurrent.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.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);
38	>	return new TestSuite(ScheduledExecutorTest.class);
39		}
40
20	–
41		/**
42		* execute successfully executes a runnable
43		*/
44	<	public void testExecute() {
45	<	try {
46	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
47	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
48	<	p1.execute(runnable);
49	<	assertFalse(runnable.done);
50	<	Thread.sleep(SHORT_DELAY_MS);
51	<	p1.shutdown();
52	<	try {
53	<	Thread.sleep(MEDIUM_DELAY_MS);
54	<	} catch(InterruptedException e){
55	<	unexpectedException();
36	<	}
37	<	assertTrue(runnable.done);
38	<	p1.shutdown();
39	<	joinPool(p1);
40	<	}
41	<	catch(Exception e){
42	<	unexpectedException();
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();
50	>	}};
51	>	try {
52	>	p.execute(task);
53	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
54	>	} finally {
55	>	joinPool(p);
56		}
44	–
57		}
58
47	–
59		/**
60		* delayed schedule of callable successfully executes after delay
61		*/
62	<	public void testSchedule1() {
63	<	try {
64	<	TrackedCallable callable = new TrackedCallable();
65	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
66	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
67	<	assertFalse(callable.done);
68	<	Thread.sleep(MEDIUM_DELAY_MS);
69	<	assertTrue(callable.done);
70	<	assertEquals(Boolean.TRUE, f.get());
71	<	p1.shutdown();
72	<	joinPool(p1);
73	<	} catch(RejectedExecutionException e){}
74	<	catch(Exception e){
75	<	e.printStackTrace();
76	<	unexpectedException();
62	>	public void testSchedule1() throws Exception {
63	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
64	>	final long startTime = System.nanoTime();
65	>	final CountDownLatch done = new CountDownLatch(1);
66	>	try {
67	>	Callable task = new CheckedCallable<Boolean>() {
68	>	public Boolean realCall() {
69	>	done.countDown();
70	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
71	>	return Boolean.TRUE;
72	>	}};
73	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
74	>	assertSame(Boolean.TRUE, f.get());
75	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
76	>	assertTrue(done.await(0L, MILLISECONDS));
77	>	} finally {
78	>	joinPool(p);
79		}
80		}
81
82		/**
83	<	*  delayed schedule of runnable successfully executes after delay
84	<	*/
85	<	public void testSchedule3() {
86	<	try {
87	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
88	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
89	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
90	<	Thread.sleep(SHORT_DELAY_MS);
91	<	assertFalse(runnable.done);
92	<	Thread.sleep(MEDIUM_DELAY_MS);
93	<	assertTrue(runnable.done);
94	<	p1.shutdown();
95	<	joinPool(p1);
96	<	} catch(Exception e){
97	<	unexpectedException();
83	>	* delayed schedule of runnable successfully executes after delay
84	>	*/
85	>	public void testSchedule3() throws Exception {
86	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
87	>	final long startTime = System.nanoTime();
88	>	final CountDownLatch done = new CountDownLatch(1);
89	>	try {
90	>	Runnable task = new CheckedRunnable() {
91	>	public void realRun() {
92	>	done.countDown();
93	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
94	>	}};
95	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
96	>	await(done);
97	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
98	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
99	>	} finally {
100	>	joinPool(p);
101		}
102		}
103	<
103	>
104		/**
105		* scheduleAtFixedRate executes runnable after given initial delay
106		*/
107	<	public void testSchedule4() {
108	<	try {
109	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
110	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
111	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
112	<	assertFalse(runnable.done);
113	<	Thread.sleep(MEDIUM_DELAY_MS);
114	<	assertTrue(runnable.done);
115	<	h.cancel(true);
116	<	p1.shutdown();
117	<	joinPool(p1);
118	<	} catch(Exception e){
119	<	unexpectedException();
107	>	public void testSchedule4() throws Exception {
108	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
109	>	final long startTime = System.nanoTime();
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	try {
112	>	Runnable task = new CheckedRunnable() {
113	>	public void realRun() {
114	>	done.countDown();
115	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
116	>	}};
117	>	ScheduledFuture f =
118	>	p.scheduleAtFixedRate(task, timeoutMillis(),
119	>	LONG_DELAY_MS, MILLISECONDS);
120	>	await(done);
121	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
122	>	f.cancel(true);
123	>	} finally {
124	>	joinPool(p);
125		}
126		}
127
128		/**
129		* scheduleWithFixedDelay executes runnable after given initial delay
130		*/
131	<	public void testSchedule5() {
132	<	try {
133	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
134	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
135	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
136	<	assertFalse(runnable.done);
137	<	Thread.sleep(MEDIUM_DELAY_MS);
138	<	assertTrue(runnable.done);
139	<	h.cancel(true);
140	<	p1.shutdown();
141	<	joinPool(p1);
142	<	} catch(Exception e){
143	<	unexpectedException();
131	>	public void testSchedule5() throws Exception {
132	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
133	>	final long startTime = System.nanoTime();
134	>	final CountDownLatch done = new CountDownLatch(1);
135	>	try {
136	>	Runnable task = new CheckedRunnable() {
137	>	public void realRun() {
138	>	done.countDown();
139	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
140	>	}};
141	>	ScheduledFuture f =
142	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
143	>	LONG_DELAY_MS, MILLISECONDS);
144	>	await(done);
145	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
146	>	f.cancel(true);
147	>	} finally {
148	>	joinPool(p);
149	>	}
150	>	}
151	>
152	>	static class RunnableCounter implements Runnable {
153	>	AtomicInteger count = new AtomicInteger(0);
154	>	public void run() { count.getAndIncrement(); }
155	>	}
156	>
157	>	/**
158	>	* scheduleAtFixedRate executes series of tasks at given rate
159	>	*/
160	>	public void testFixedRateSequence() throws InterruptedException {
161	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
162	>	try {
163	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
164	>	long startTime = System.nanoTime();
165	>	int cycles = 10;
166	>	final CountDownLatch done = new CountDownLatch(cycles);
167	>	Runnable task = new CheckedRunnable() {
168	>	public void realRun() { done.countDown(); }};
169	>	ScheduledFuture h =
170	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
171	>	done.await();
172	>	h.cancel(true);
173	>	double normalizedTime =
174	>	(double) millisElapsedSince(startTime) / delay;
175	>	if (normalizedTime >= cycles - 1 &&
176	>	normalizedTime <= cycles)
177	>	return;
178	>	}
179	>	throw new AssertionError("unexpected execution rate");
180	>	} finally {
181	>	joinPool(p);
182	>	}
183	>	}
184	>
185	>	/**
186	>	* scheduleWithFixedDelay executes series of tasks with given period
187	>	*/
188	>	public void testFixedDelaySequence() throws InterruptedException {
189	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
190	>	try {
191	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
192	>	long startTime = System.nanoTime();
193	>	int cycles = 10;
194	>	final CountDownLatch done = new CountDownLatch(cycles);
195	>	Runnable task = new CheckedRunnable() {
196	>	public void realRun() { done.countDown(); }};
197	>	ScheduledFuture h =
198	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
199	>	done.await();
200	>	h.cancel(true);
201	>	double normalizedTime =
202	>	(double) millisElapsedSince(startTime) / delay;
203	>	if (normalizedTime >= cycles - 1 &&
204	>	normalizedTime <= cycles)
205	>	return;
206	>	}
207	>	throw new AssertionError("unexpected execution rate");
208	>	} finally {
209	>	joinPool(p);
210		}
211		}
212	<
212	>
213		/**
214	<	*  execute (null) throws NPE
214	>	* execute(null) throws NPE
215		*/
216	<	public void testExecuteNull() {
216	>	public void testExecuteNull() throws InterruptedException {
217		ScheduledThreadPoolExecutor se = null;
218		try {
219	<	se = new ScheduledThreadPoolExecutor(1);
220	<	se.execute(null);
219	>	se = new ScheduledThreadPoolExecutor(1);
220	>	se.execute(null);
221		shouldThrow();
222	<	} catch(NullPointerException success){}
223	<	catch(Exception e){
224	<	unexpectedException();
138	<	}
139	<
140	<	joinPool(se);
222	>	} catch (NullPointerException success) {}
223	>
224	>	joinPool(se);
225		}
226
227		/**
228	<	* schedule (null) throws NPE
228	>	* schedule(null) throws NPE
229		*/
230	<	public void testScheduleNull() {
230	>	public void testScheduleNull() throws InterruptedException {
231		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
232	<	try {
232	>	try {
233		TrackedCallable callable = null;
234	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
234	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
235		shouldThrow();
236	<	} catch(NullPointerException success){}
237	<	catch(Exception e){
154	<	unexpectedException();
155	<	}
156	<	joinPool(se);
236	>	} catch (NullPointerException success) {}
237	>	joinPool(se);
238		}
239	<
239	>
240		/**
241		* execute throws RejectedExecutionException if shutdown
242		*/
243	<	public void testSchedule1_RejectedExecutionException() {
243	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
244		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
245		try {
246		se.shutdown();
247		se.schedule(new NoOpRunnable(),
248	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
248	>	MEDIUM_DELAY_MS, MILLISECONDS);
249		shouldThrow();
250	<	} catch(RejectedExecutionException success){
250	>	} catch (RejectedExecutionException success) {
251	>	} catch (SecurityException ok) {
252		}
171	–	joinPool(se);
253
254	+	joinPool(se);
255		}
256
257		/**
258		* schedule throws RejectedExecutionException if shutdown
259		*/
260	<	public void testSchedule2_RejectedExecutionException() {
260	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
261		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
262		try {
263		se.shutdown();
264		se.schedule(new NoOpCallable(),
265	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
265	>	MEDIUM_DELAY_MS, MILLISECONDS);
266		shouldThrow();
267	<	} catch(RejectedExecutionException success){
267	>	} catch (RejectedExecutionException success) {
268	>	} catch (SecurityException ok) {
269		}
270		joinPool(se);
271		}
#	Line 190 | Line 273 | public class ScheduledExecutorTest exten
273		/**
274		* schedule callable throws RejectedExecutionException if shutdown
275		*/
276	<	public void testSchedule3_RejectedExecutionException() {
277	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
278	<	try {
276	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
277	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
278	>	try {
279		se.shutdown();
280		se.schedule(new NoOpCallable(),
281	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
281	>	MEDIUM_DELAY_MS, MILLISECONDS);
282		shouldThrow();
283	<	} catch(RejectedExecutionException success){
284	<	}
285	<	joinPool(se);
283	>	} catch (RejectedExecutionException success) {
284	>	} catch (SecurityException ok) {
285	>	}
286	>	joinPool(se);
287		}
288
289		/**
290	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
290	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
291		*/
292	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
292	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
293		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
294		try {
295		se.shutdown();
296		se.scheduleAtFixedRate(new NoOpRunnable(),
297	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
297	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
298		shouldThrow();
299	<	} catch(RejectedExecutionException success){
300	<	}
299	>	} catch (RejectedExecutionException success) {
300	>	} catch (SecurityException ok) {
301	>	}
302		joinPool(se);
303		}
304	<
304	>
305		/**
306		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
307		*/
308	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
308	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
309		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
310		try {
311		se.shutdown();
312		se.scheduleWithFixedDelay(new NoOpRunnable(),
313	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
313	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
314		shouldThrow();
315	<	} catch(RejectedExecutionException success){
316	<	}
315	>	} catch (RejectedExecutionException success) {
316	>	} catch (SecurityException ok) {
317	>	}
318		joinPool(se);
319		}
320
321		/**
322	<	*  getActiveCount increases but doesn't overestimate, when a
323	<	*  thread becomes active
322	>	* getActiveCount increases but doesn't overestimate, when a
323	>	* thread becomes active
324		*/
325	<	public void testGetActiveCount() {
326	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
327	<	assertEquals(0, p2.getActiveCount());
328	<	p2.execute(new SmallRunnable());
329	<	try {
330	<	Thread.sleep(SHORT_DELAY_MS);
331	<	} catch(Exception e){
332	<	unexpectedException();
325	>	public void testGetActiveCount() throws InterruptedException {
326	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
327	>	final CountDownLatch threadStarted = new CountDownLatch(1);
328	>	final CountDownLatch done = new CountDownLatch(1);
329	>	try {
330	>	assertEquals(0, p.getActiveCount());
331	>	p.execute(new CheckedRunnable() {
332	>	public void realRun() throws InterruptedException {
333	>	threadStarted.countDown();
334	>	assertEquals(1, p.getActiveCount());
335	>	done.await();
336	>	}});
337	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
338	>	assertEquals(1, p.getActiveCount());
339	>	} finally {
340	>	done.countDown();
341	>	joinPool(p);
342		}
248	–	assertEquals(1, p2.getActiveCount());
249	–	joinPool(p2);
343		}
344	<
344	>
345		/**
346	<	*    getCompletedTaskCount increases, but doesn't overestimate,
347	<	*   when tasks complete
346	>	* getCompletedTaskCount increases, but doesn't overestimate,
347	>	* when tasks complete
348		*/
349	<	public void testGetCompletedTaskCount() {
350	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
351	<	assertEquals(0, p2.getCompletedTaskCount());
352	<	p2.execute(new SmallRunnable());
353	<	try {
354	<	Thread.sleep(MEDIUM_DELAY_MS);
355	<	} catch(Exception e){
356	<	unexpectedException();
349	>	public void testGetCompletedTaskCount() throws InterruptedException {
350	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
351	>	final CountDownLatch threadStarted = new CountDownLatch(1);
352	>	final CountDownLatch threadProceed = new CountDownLatch(1);
353	>	final CountDownLatch threadDone = new CountDownLatch(1);
354	>	try {
355	>	assertEquals(0, p.getCompletedTaskCount());
356	>	p.execute(new CheckedRunnable() {
357	>	public void realRun() throws InterruptedException {
358	>	threadStarted.countDown();
359	>	assertEquals(0, p.getCompletedTaskCount());
360	>	threadProceed.await();
361	>	threadDone.countDown();
362	>	}});
363	>	await(threadStarted);
364	>	assertEquals(0, p.getCompletedTaskCount());
365	>	threadProceed.countDown();
366	>	threadDone.await();
367	>	long startTime = System.nanoTime();
368	>	while (p.getCompletedTaskCount() != 1) {
369	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
370	>	fail("timed out");
371	>	Thread.yield();
372	>	}
373	>	} finally {
374	>	joinPool(p);
375		}
265	–	assertEquals(1, p2.getCompletedTaskCount());
266	–	joinPool(p2);
376		}
377	<
377	>
378		/**
379	<	*  getCorePoolSize returns size given in constructor if not otherwise set
379	>	* getCorePoolSize returns size given in constructor if not otherwise set
380		*/
381	<	public void testGetCorePoolSize() {
382	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
383	<	assertEquals(1, p1.getCorePoolSize());
384	<	joinPool(p1);
381	>	public void testGetCorePoolSize() throws InterruptedException {
382	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
383	>	assertEquals(1, p.getCorePoolSize());
384	>	joinPool(p);
385		}
386	<
386	>
387		/**
388	<	*    getLargestPoolSize increases, but doesn't overestimate, when
389	<	*   multiple threads active
388	>	* getLargestPoolSize increases, but doesn't overestimate, when
389	>	* multiple threads active
390		*/
391	<	public void testGetLargestPoolSize() {
392	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
393	<	assertEquals(0, p2.getLargestPoolSize());
394	<	p2.execute(new SmallRunnable());
395	<	p2.execute(new SmallRunnable());
396	<	try {
397	<	Thread.sleep(SHORT_DELAY_MS);
398	<	} catch(Exception e){
399	<	unexpectedException();
391	>	public void testGetLargestPoolSize() throws InterruptedException {
392	>	final int THREADS = 3;
393	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
394	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
395	>	final CountDownLatch done = new CountDownLatch(1);
396	>	try {
397	>	assertEquals(0, p.getLargestPoolSize());
398	>	for (int i = 0; i < THREADS; i++)
399	>	p.execute(new CheckedRunnable() {
400	>	public void realRun() throws InterruptedException {
401	>	threadsStarted.countDown();
402	>	done.await();
403	>	assertEquals(THREADS, p.getLargestPoolSize());
404	>	}});
405	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
406	>	assertEquals(THREADS, p.getLargestPoolSize());
407	>	} finally {
408	>	done.countDown();
409	>	joinPool(p);
410	>	assertEquals(THREADS, p.getLargestPoolSize());
411		}
292	–	assertEquals(2, p2.getLargestPoolSize());
293	–	joinPool(p2);
412		}
413	<
413	>
414		/**
415	<	*   getPoolSize increases, but doesn't overestimate, when threads
416	<	*   become active
415	>	* getPoolSize increases, but doesn't overestimate, when threads
416	>	* become active
417		*/
418	<	public void testGetPoolSize() {
419	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
420	<	assertEquals(0, p1.getPoolSize());
421	<	p1.execute(new SmallRunnable());
422	<	assertEquals(1, p1.getPoolSize());
423	<	joinPool(p1);
418	>	public void testGetPoolSize() throws InterruptedException {
419	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
420	>	final CountDownLatch threadStarted = new CountDownLatch(1);
421	>	final CountDownLatch done = new CountDownLatch(1);
422	>	try {
423	>	assertEquals(0, p.getPoolSize());
424	>	p.execute(new CheckedRunnable() {
425	>	public void realRun() throws InterruptedException {
426	>	threadStarted.countDown();
427	>	assertEquals(1, p.getPoolSize());
428	>	done.await();
429	>	}});
430	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
431	>	assertEquals(1, p.getPoolSize());
432	>	} finally {
433	>	done.countDown();
434	>	joinPool(p);
435	>	}
436		}
437	<
437	>
438		/**
439	<	*    getTaskCount increases, but doesn't overestimate, when tasks
440	<	*    submitted
439	>	* getTaskCount increases, but doesn't overestimate, when tasks
440	>	* submitted
441		*/
442	<	public void testGetTaskCount() {
443	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
444	<	assertEquals(0, p1.getTaskCount());
445	<	for(int i = 0; i < 5; i++)
446	<	p1.execute(new SmallRunnable());
447	<	try {
448	<	Thread.sleep(SHORT_DELAY_MS);
449	<	} catch(Exception e){
450	<	unexpectedException();
442	>	public void testGetTaskCount() throws InterruptedException {
443	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
444	>	final CountDownLatch threadStarted = new CountDownLatch(1);
445	>	final CountDownLatch done = new CountDownLatch(1);
446	>	final int TASKS = 5;
447	>	try {
448	>	assertEquals(0, p.getTaskCount());
449	>	for (int i = 0; i < TASKS; i++)
450	>	p.execute(new CheckedRunnable() {
451	>	public void realRun() throws InterruptedException {
452	>	threadStarted.countDown();
453	>	done.await();
454	>	}});
455	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
456	>	assertEquals(TASKS, p.getTaskCount());
457	>	} finally {
458	>	done.countDown();
459	>	joinPool(p);
460		}
322	–	assertEquals(5, p1.getTaskCount());
323	–	joinPool(p1);
461		}
462
463	<	/**
463	>	/**
464		* getThreadFactory returns factory in constructor if not set
465		*/
466	<	public void testGetThreadFactory() {
466	>	public void testGetThreadFactory() throws InterruptedException {
467		ThreadFactory tf = new SimpleThreadFactory();
468	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
468	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
469		assertSame(tf, p.getThreadFactory());
333	–	p.shutdown();
470		joinPool(p);
471		}
472
473	<	/**
473	>	/**
474		* setThreadFactory sets the thread factory returned by getThreadFactory
475		*/
476	<	public void testSetThreadFactory() {
476	>	public void testSetThreadFactory() throws InterruptedException {
477		ThreadFactory tf = new SimpleThreadFactory();
478	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
478	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
479		p.setThreadFactory(tf);
480		assertSame(tf, p.getThreadFactory());
345	–	p.shutdown();
481		joinPool(p);
482		}
483
484	<	/**
484	>	/**
485		* setThreadFactory(null) throws NPE
486		*/
487	<	public void testSetThreadFactoryNull() {
488	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
487	>	public void testSetThreadFactoryNull() throws InterruptedException {
488	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
489		try {
490		p.setThreadFactory(null);
491		shouldThrow();
#	Line 359 | Line 494 | public class ScheduledExecutorTest exten
494		joinPool(p);
495		}
496		}
497	<
497	>
498		/**
499	<	*   is isShutDown is false before shutdown, true after
499	>	* isShutdown is false before shutdown, true after
500		*/
501		public void testIsShutdown() {
502	<
503	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
502	>
503	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
504		try {
505	<	assertFalse(p1.isShutdown());
505	>	assertFalse(p.isShutdown());
506		}
507		finally {
508	<	p1.shutdown();
508	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
509		}
510	<	assertTrue(p1.isShutdown());
510	>	assertTrue(p.isShutdown());
511		}
512
378	–
513		/**
514	<	*   isTerminated is false before termination, true after
514	>	* isTerminated is false before termination, true after
515		*/
516	<	public void testIsTerminated() {
517	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
516	>	public void testIsTerminated() throws InterruptedException {
517	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
518	>	final CountDownLatch threadStarted = new CountDownLatch(1);
519	>	final CountDownLatch done = new CountDownLatch(1);
520	>	assertFalse(p.isTerminated());
521		try {
522	<	p1.execute(new SmallRunnable());
522	>	p.execute(new CheckedRunnable() {
523	>	public void realRun() throws InterruptedException {
524	>	assertFalse(p.isTerminated());
525	>	threadStarted.countDown();
526	>	done.await();
527	>	}});
528	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
529	>	assertFalse(p.isTerminating());
530	>	done.countDown();
531		} finally {
532	<	p1.shutdown();
532	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
533		}
534	<	try {
535	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
391	<	assertTrue(p1.isTerminated());
392	<	} catch(Exception e){
393	<	unexpectedException();
394	<	}
534	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
535	>	assertTrue(p.isTerminated());
536		}
537
538		/**
539	<	*  isTerminating is not true when running or when terminated
539	>	* isTerminating is not true when running or when terminated
540		*/
541	<	public void testIsTerminating() {
542	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
543	<	assertFalse(p1.isTerminating());
544	<	try {
545	<	p1.execute(new SmallRunnable());
546	<	assertFalse(p1.isTerminating());
541	>	public void testIsTerminating() throws InterruptedException {
542	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
543	>	final CountDownLatch threadStarted = new CountDownLatch(1);
544	>	final CountDownLatch done = new CountDownLatch(1);
545	>	try {
546	>	assertFalse(p.isTerminating());
547	>	p.execute(new CheckedRunnable() {
548	>	public void realRun() throws InterruptedException {
549	>	assertFalse(p.isTerminating());
550	>	threadStarted.countDown();
551	>	done.await();
552	>	}});
553	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
554	>	assertFalse(p.isTerminating());
555	>	done.countDown();
556		} finally {
557	<	p1.shutdown();
557	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
558		}
559	<	try {
560	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
561	<	assertTrue(p1.isTerminated());
412	<	assertFalse(p1.isTerminating());
413	<	} catch(Exception e){
414	<	unexpectedException();
415	<	}
559	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
560	>	assertTrue(p.isTerminated());
561	>	assertFalse(p.isTerminating());
562		}
563
564		/**
565		* getQueue returns the work queue, which contains queued tasks
566		*/
567	<	public void testGetQueue() {
568	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
569	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
570	<	for(int i = 0; i < 5; i++){
425	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
426	<	}
567	>	public void testGetQueue() throws InterruptedException {
568	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
569	>	final CountDownLatch threadStarted = new CountDownLatch(1);
570	>	final CountDownLatch done = new CountDownLatch(1);
571		try {
572	<	Thread.sleep(SHORT_DELAY_MS);
573	<	BlockingQueue<Runnable> q = p1.getQueue();
574	<	assertTrue(q.contains(tasks[4]));
572	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
573	>	for (int i = 0; i < tasks.length; i++) {
574	>	Runnable r = new CheckedRunnable() {
575	>	public void realRun() throws InterruptedException {
576	>	threadStarted.countDown();
577	>	done.await();
578	>	}};
579	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
580	>	}
581	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
582	>	BlockingQueue<Runnable> q = p.getQueue();
583	>	assertTrue(q.contains(tasks[tasks.length - 1]));
584		assertFalse(q.contains(tasks[0]));
432	–	p1.shutdownNow();
433	–	} catch(Exception e) {
434	–	unexpectedException();
585		} finally {
586	<	joinPool(p1);
586	>	done.countDown();
587	>	joinPool(p);
588		}
589		}
590
591		/**
592		* remove(task) removes queued task, and fails to remove active task
593		*/
594	<	public void testRemove() {
595	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
594	>	public void testRemove() throws InterruptedException {
595	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
596		ScheduledFuture[] tasks = new ScheduledFuture[5];
597	<	for(int i = 0; i < 5; i++){
598	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
448	<	}
597	>	final CountDownLatch threadStarted = new CountDownLatch(1);
598	>	final CountDownLatch done = new CountDownLatch(1);
599		try {
600	<	Thread.sleep(SHORT_DELAY_MS);
601	<	BlockingQueue<Runnable> q = p1.getQueue();
602	<	assertFalse(p1.remove((Runnable)tasks[0]));
600	>	for (int i = 0; i < tasks.length; i++) {
601	>	Runnable r = new CheckedRunnable() {
602	>	public void realRun() throws InterruptedException {
603	>	threadStarted.countDown();
604	>	done.await();
605	>	}};
606	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
607	>	}
608	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
609	>	BlockingQueue<Runnable> q = p.getQueue();
610	>	assertFalse(p.remove((Runnable)tasks[0]));
611		assertTrue(q.contains((Runnable)tasks[4]));
612		assertTrue(q.contains((Runnable)tasks[3]));
613	<	assertTrue(p1.remove((Runnable)tasks[4]));
614	<	assertFalse(p1.remove((Runnable)tasks[4]));
613	>	assertTrue(p.remove((Runnable)tasks[4]));
614	>	assertFalse(p.remove((Runnable)tasks[4]));
615		assertFalse(q.contains((Runnable)tasks[4]));
616		assertTrue(q.contains((Runnable)tasks[3]));
617	<	assertTrue(p1.remove((Runnable)tasks[3]));
617	>	assertTrue(p.remove((Runnable)tasks[3]));
618		assertFalse(q.contains((Runnable)tasks[3]));
461	–	p1.shutdownNow();
462	–	} catch(Exception e) {
463	–	unexpectedException();
619		} finally {
620	<	joinPool(p1);
620	>	done.countDown();
621	>	joinPool(p);
622		}
623		}
624
625		/**
626	<	*  purge removes cancelled tasks from the queue
626	>	* purge eventually removes cancelled tasks from the queue
627		*/
628	<	public void testPurge() {
629	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
628	>	public void testPurge() throws InterruptedException {
629	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
630		ScheduledFuture[] tasks = new ScheduledFuture[5];
631	<	for(int i = 0; i < 5; i++){
632	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
631	>	for (int i = 0; i < tasks.length; i++)
632	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
633	>	LONG_DELAY_MS, MILLISECONDS);
634	>	try {
635	>	int max = tasks.length;
636	>	if (tasks[4].cancel(true)) --max;
637	>	if (tasks[3].cancel(true)) --max;
638	>	// There must eventually be an interference-free point at
639	>	// which purge will not fail. (At worst, when queue is empty.)
640	>	long startTime = System.nanoTime();
641	>	do {
642	>	p.purge();
643	>	long count = p.getTaskCount();
644	>	if (count == max)
645	>	return;
646	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
647	>	fail("Purge failed to remove cancelled tasks");
648	>	} finally {
649	>	for (ScheduledFuture task : tasks)
650	>	task.cancel(true);
651	>	joinPool(p);
652		}
478	–	int max = 5;
479	–	if (tasks[4].cancel(true)) --max;
480	–	if (tasks[3].cancel(true)) --max;
481	–	p1.purge();
482	–	long count = p1.getTaskCount();
483	–	assertTrue(count > 0 && count <= max);
484	–	joinPool(p1);
653		}
654
655		/**
656	<	*  shutDownNow returns a list containing tasks that were not run
657	<	*/
658	<	public void testShutDownNow() {
659	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
660	<	for(int i = 0; i < 5; i++)
661	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
662	<	List l = p1.shutdownNow();
663	<	assertTrue(p1.isShutdown());
664	<	assertTrue(l.size() > 0 && l.size() <= 5);
665	<	joinPool(p1);
656	>	* shutdownNow returns a list containing tasks that were not run,
657	>	* and those tasks are drained from the queue
658	>	*/
659	>	public void testShutdownNow() throws InterruptedException {
660	>	final int poolSize = 2;
661	>	final int count = 5;
662	>	final AtomicInteger ran = new AtomicInteger(0);
663	>	final ScheduledThreadPoolExecutor p =
664	>	new ScheduledThreadPoolExecutor(poolSize);
665	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
666	>	CheckedRunnable waiter = new CheckedRunnable() { public void realRun() {
667	>	threadsStarted.countDown();
668	>	try {
669	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
670	>	} catch (InterruptedException success) {}
671	>	ran.getAndIncrement();
672	>	}};
673	>	for (int i = 0; i < count; i++)
674	>	p.execute(waiter);
675	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
676	>	assertEquals(poolSize, p.getActiveCount());
677	>	assertEquals(0, p.getCompletedTaskCount());
678	>	final List<Runnable> queuedTasks;
679	>	try {
680	>	queuedTasks = p.shutdownNow();
681	>	} catch (SecurityException ok) {
682	>	return; // Allowed in case test doesn't have privs
683	>	}
684	>	assertTrue(p.isShutdown());
685	>	assertTrue(p.getQueue().isEmpty());
686	>	assertEquals(count - poolSize, queuedTasks.size());
687	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
688	>	assertTrue(p.isTerminated());
689	>	assertEquals(poolSize, ran.get());
690	>	assertEquals(poolSize, p.getCompletedTaskCount());
691	>	}
692	>
693	>	/**
694	>	* shutdownNow returns a list containing tasks that were not run,
695	>	* and those tasks are drained from the queue
696	>	*/
697	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
698	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
699	>	List<ScheduledFuture> tasks = new ArrayList<>();
700	>	for (int i = 0; i < 3; i++) {
701	>	Runnable r = new NoOpRunnable();
702	>	tasks.add(p.schedule(r, 9, SECONDS));
703	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
704	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
705	>	}
706	>	if (testImplementationDetails)
707	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
708	>	final List<Runnable> queuedTasks;
709	>	try {
710	>	queuedTasks = p.shutdownNow();
711	>	} catch (SecurityException ok) {
712	>	return; // Allowed in case test doesn't have privs
713	>	}
714	>	assertTrue(p.isShutdown());
715	>	assertTrue(p.getQueue().isEmpty());
716	>	if (testImplementationDetails)
717	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
718	>	assertEquals(tasks.size(), queuedTasks.size());
719	>	for (ScheduledFuture task : tasks) {
720	>	assertFalse(task.isDone());
721	>	assertFalse(task.isCancelled());
722	>	}
723	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
724	>	assertTrue(p.isTerminated());
725		}
726
727		/**
728		* In default setting, shutdown cancels periodic but not delayed
729		* tasks at shutdown
730		*/
731	<	public void testShutDown1() {
732	<	try {
733	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
734	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
508	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
731	>	public void testShutdown1() throws InterruptedException {
732	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
733	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
734	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
735
736	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
737	<	for(int i = 0; i < 5; i++)
738	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
739	<	p1.shutdown();
740	<	BlockingQueue q = p1.getQueue();
741	<	for (Iterator it = q.iterator(); it.hasNext();) {
742	<	ScheduledFuture t = (ScheduledFuture)it.next();
743	<	assertFalse(t.isCancelled());
744	<	}
745	<	assertTrue(p1.isShutdown());
520	<	Thread.sleep(SMALL_DELAY_MS);
521	<	for (int i = 0; i < 5; ++i) {
522	<	assertTrue(tasks[i].isDone());
523	<	assertFalse(tasks[i].isCancelled());
524	<	}
525	<
736	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
737	>	for (int i = 0; i < tasks.length; i++)
738	>	tasks[i] = p.schedule(new NoOpRunnable(),
739	>	SHORT_DELAY_MS, MILLISECONDS);
740	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
741	>	BlockingQueue<Runnable> q = p.getQueue();
742	>	for (ScheduledFuture task : tasks) {
743	>	assertFalse(task.isDone());
744	>	assertFalse(task.isCancelled());
745	>	assertTrue(q.contains(task));
746		}
747	<	catch(Exception ex) {
748	<	unexpectedException();
747	>	assertTrue(p.isShutdown());
748	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
749	>	assertTrue(p.isTerminated());
750	>	for (ScheduledFuture task : tasks) {
751	>	assertTrue(task.isDone());
752	>	assertFalse(task.isCancelled());
753		}
754		}
755
532	–
756		/**
757		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
758		* delayed tasks are cancelled at shutdown
759		*/
760	<	public void testShutDown2() {
761	<	try {
762	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
763	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
764	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
765	<	for(int i = 0; i < 5; i++)
766	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
767	<	p1.shutdown();
768	<	assertTrue(p1.isShutdown());
769	<	BlockingQueue q = p1.getQueue();
770	<	assertTrue(q.isEmpty());
771	<	Thread.sleep(SMALL_DELAY_MS);
772	<	assertTrue(p1.isTerminated());
773	<	}
774	<	catch(Exception ex) {
775	<	unexpectedException();
760	>	public void testShutdown2() throws InterruptedException {
761	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
762	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
763	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
764	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
765	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
766	>	for (int i = 0; i < tasks.length; i++)
767	>	tasks[i] = p.schedule(new NoOpRunnable(),
768	>	SHORT_DELAY_MS, MILLISECONDS);
769	>	BlockingQueue q = p.getQueue();
770	>	assertEquals(tasks.length, q.size());
771	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
772	>	assertTrue(p.isShutdown());
773	>	assertTrue(q.isEmpty());
774	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
775	>	assertTrue(p.isTerminated());
776	>	for (ScheduledFuture task : tasks) {
777	>	assertTrue(task.isDone());
778	>	assertTrue(task.isCancelled());
779		}
780		}
781
556	–
782		/**
783		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
784	<	* periodic tasks are not cancelled at shutdown
784	>	* periodic tasks are cancelled at shutdown
785		*/
786	<	public void testShutDown3() {
787	<	try {
788	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
789	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
790	<	ScheduledFuture task =
791	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
792	<	p1.shutdown();
793	<	assertTrue(p1.isShutdown());
794	<	BlockingQueue q = p1.getQueue();
795	<	assertTrue(q.isEmpty());
796	<	Thread.sleep(SHORT_DELAY_MS);
797	<	assertTrue(p1.isTerminated());
798	<	}
799	<	catch(Exception ex) {
800	<	unexpectedException();
801	<	}
786	>	public void testShutdown3() throws InterruptedException {
787	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
788	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
789	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
790	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
791	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
792	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
793	>	long initialDelay = LONG_DELAY_MS;
794	>	ScheduledFuture task =
795	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
796	>	5, MILLISECONDS);
797	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
798	>	assertTrue(p.isShutdown());
799	>	assertTrue(p.getQueue().isEmpty());
800	>	assertTrue(task.isDone());
801	>	assertTrue(task.isCancelled());
802	>	joinPool(p);
803		}
804
805		/**
806		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
807	<	* periodic tasks are cancelled at shutdown
807	>	* periodic tasks are not cancelled at shutdown
808		*/
809	<	public void testShutDown4() {
810	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
811	<	try {
812	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
809	>	public void testShutdown4() throws InterruptedException {
810	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
811	>	final CountDownLatch counter = new CountDownLatch(2);
812	>	try {
813	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
814	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
815	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
816	>	final Runnable r = new CheckedRunnable() {
817	>	public void realRun() {
818	>	counter.countDown();
819	>	}};
820		ScheduledFuture task =
821	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
821	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
822	>	assertFalse(task.isDone());
823		assertFalse(task.isCancelled());
824	<	p1.shutdown();
824	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
825		assertFalse(task.isCancelled());
826	<	assertFalse(p1.isTerminated());
827	<	assertTrue(p1.isShutdown());
828	<	Thread.sleep(SHORT_DELAY_MS);
826	>	assertFalse(p.isTerminated());
827	>	assertTrue(p.isShutdown());
828	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
829		assertFalse(task.isCancelled());
830	<	task.cancel(true);
830	>	assertTrue(task.cancel(false));
831	>	assertTrue(task.isDone());
832		assertTrue(task.isCancelled());
833	<	Thread.sleep(SHORT_DELAY_MS);
834	<	assertTrue(p1.isTerminated());
600	<	}
601	<	catch(Exception ex) {
602	<	unexpectedException();
833	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
834	>	assertTrue(p.isTerminated());
835		}
836		finally {
837	<	p1.shutdownNow();
837	>	joinPool(p);
838		}
839		}
840
841		/**
842		* completed submit of callable returns result
843		*/
844	<	public void testSubmitCallable() {
844	>	public void testSubmitCallable() throws Exception {
845		ExecutorService e = new ScheduledThreadPoolExecutor(2);
846		try {
847		Future<String> future = e.submit(new StringTask());
848		String result = future.get();
849		assertSame(TEST_STRING, result);
618	–	}
619	–	catch (ExecutionException ex) {
620	–	unexpectedException();
621	–	}
622	–	catch (InterruptedException ex) {
623	–	unexpectedException();
850		} finally {
851		joinPool(e);
852		}
#	Line 629 | Line 855 | public class ScheduledExecutorTest exten
855		/**
856		* completed submit of runnable returns successfully
857		*/
858	<	public void testSubmitRunnable() {
858	>	public void testSubmitRunnable() throws Exception {
859		ExecutorService e = new ScheduledThreadPoolExecutor(2);
860		try {
861		Future<?> future = e.submit(new NoOpRunnable());
862		future.get();
863		assertTrue(future.isDone());
638	–	}
639	–	catch (ExecutionException ex) {
640	–	unexpectedException();
641	–	}
642	–	catch (InterruptedException ex) {
643	–	unexpectedException();
864		} finally {
865		joinPool(e);
866		}
#	Line 649 | Line 869 | public class ScheduledExecutorTest exten
869		/**
870		* completed submit of (runnable, result) returns result
871		*/
872	<	public void testSubmitRunnable2() {
872	>	public void testSubmitRunnable2() throws Exception {
873		ExecutorService e = new ScheduledThreadPoolExecutor(2);
874		try {
875		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
876		String result = future.get();
877		assertSame(TEST_STRING, result);
658	–	}
659	–	catch (ExecutionException ex) {
660	–	unexpectedException();
661	–	}
662	–	catch (InterruptedException ex) {
663	–	unexpectedException();
878		} finally {
879		joinPool(e);
880		}
881		}
882
669	–
670	–
671	–
672	–
883		/**
884		* invokeAny(null) throws NPE
885		*/
886	<	public void testInvokeAny1() {
886	>	public void testInvokeAny1() throws Exception {
887		ExecutorService e = new ScheduledThreadPoolExecutor(2);
888		try {
889		e.invokeAny(null);
890	+	shouldThrow();
891		} catch (NullPointerException success) {
681	–	} catch(Exception ex) {
682	–	unexpectedException();
892		} finally {
893		joinPool(e);
894		}
#	Line 688 | Line 897 | public class ScheduledExecutorTest exten
897		/**
898		* invokeAny(empty collection) throws IAE
899		*/
900	<	public void testInvokeAny2() {
900	>	public void testInvokeAny2() throws Exception {
901		ExecutorService e = new ScheduledThreadPoolExecutor(2);
902		try {
903		e.invokeAny(new ArrayList<Callable<String>>());
904	+	shouldThrow();
905		} catch (IllegalArgumentException success) {
696	–	} catch(Exception ex) {
697	–	unexpectedException();
906		} finally {
907		joinPool(e);
908		}
#	Line 703 | Line 911 | public class ScheduledExecutorTest exten
911		/**
912		* invokeAny(c) throws NPE if c has null elements
913		*/
914	<	public void testInvokeAny3() {
914	>	public void testInvokeAny3() throws Exception {
915	>	CountDownLatch latch = new CountDownLatch(1);
916		ExecutorService e = new ScheduledThreadPoolExecutor(2);
917	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
918	+	l.add(latchAwaitingStringTask(latch));
919	+	l.add(null);
920		try {
709	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
710	–	l.add(new StringTask());
711	–	l.add(null);
921		e.invokeAny(l);
922	+	shouldThrow();
923		} catch (NullPointerException success) {
714	–	} catch(Exception ex) {
715	–	unexpectedException();
924		} finally {
925	+	latch.countDown();
926		joinPool(e);
927		}
928		}
#	Line 721 | Line 930 | public class ScheduledExecutorTest exten
930		/**
931		* invokeAny(c) throws ExecutionException if no task completes
932		*/
933	<	public void testInvokeAny4() {
933	>	public void testInvokeAny4() throws Exception {
934		ExecutorService e = new ScheduledThreadPoolExecutor(2);
935	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
936	+	l.add(new NPETask());
937		try {
727	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
728	–	l.add(new NPETask());
938		e.invokeAny(l);
939	+	shouldThrow();
940		} catch (ExecutionException success) {
941	<	} catch(Exception ex) {
732	<	unexpectedException();
941	>	assertTrue(success.getCause() instanceof NullPointerException);
942		} finally {
943		joinPool(e);
944		}
#	Line 738 | Line 947 | public class ScheduledExecutorTest exten
947		/**
948		* invokeAny(c) returns result of some task
949		*/
950	<	public void testInvokeAny5() {
950	>	public void testInvokeAny5() throws Exception {
951		ExecutorService e = new ScheduledThreadPoolExecutor(2);
952		try {
953	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
953	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
954		l.add(new StringTask());
955		l.add(new StringTask());
956		String result = e.invokeAny(l);
957		assertSame(TEST_STRING, result);
749	–	} catch (ExecutionException success) {
750	–	} catch(Exception ex) {
751	–	unexpectedException();
958		} finally {
959		joinPool(e);
960		}
#	Line 757 | Line 963 | public class ScheduledExecutorTest exten
963		/**
964		* invokeAll(null) throws NPE
965		*/
966	<	public void testInvokeAll1() {
966	>	public void testInvokeAll1() throws Exception {
967		ExecutorService e = new ScheduledThreadPoolExecutor(2);
968		try {
969		e.invokeAll(null);
970	+	shouldThrow();
971		} catch (NullPointerException success) {
765	–	} catch(Exception ex) {
766	–	unexpectedException();
972		} finally {
973		joinPool(e);
974		}
#	Line 772 | Line 977 | public class ScheduledExecutorTest exten
977		/**
978		* invokeAll(empty collection) returns empty collection
979		*/
980	<	public void testInvokeAll2() {
980	>	public void testInvokeAll2() throws Exception {
981		ExecutorService e = new ScheduledThreadPoolExecutor(2);
982		try {
983		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
984		assertTrue(r.isEmpty());
780	–	} catch(Exception ex) {
781	–	unexpectedException();
985		} finally {
986		joinPool(e);
987		}
#	Line 787 | Line 990 | public class ScheduledExecutorTest exten
990		/**
991		* invokeAll(c) throws NPE if c has null elements
992		*/
993	<	public void testInvokeAll3() {
993	>	public void testInvokeAll3() throws Exception {
994		ExecutorService e = new ScheduledThreadPoolExecutor(2);
995	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
996	+	l.add(new StringTask());
997	+	l.add(null);
998		try {
793	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
794	–	l.add(new StringTask());
795	–	l.add(null);
999		e.invokeAll(l);
1000	+	shouldThrow();
1001		} catch (NullPointerException success) {
798	–	} catch(Exception ex) {
799	–	unexpectedException();
1002		} finally {
1003		joinPool(e);
1004		}
#	Line 805 | Line 1007 | public class ScheduledExecutorTest exten
1007		/**
1008		* get of invokeAll(c) throws exception on failed task
1009		*/
1010	<	public void testInvokeAll4() {
1010	>	public void testInvokeAll4() throws Exception {
1011		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1012	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1013	+	l.add(new NPETask());
1014	+	List<Future<String>> futures = e.invokeAll(l);
1015	+	assertEquals(1, futures.size());
1016		try {
1017	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1018	<	l.add(new NPETask());
1019	<	List<Future<String>> result = e.invokeAll(l);
1020	<	assertEquals(1, result.size());
815	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
816	<	it.next().get();
817	<	} catch(ExecutionException success) {
818	<	} catch(Exception ex) {
819	<	unexpectedException();
1017	>	futures.get(0).get();
1018	>	shouldThrow();
1019	>	} catch (ExecutionException success) {
1020	>	assertTrue(success.getCause() instanceof NullPointerException);
1021		} finally {
1022		joinPool(e);
1023		}
#	Line 825 | Line 1026 | public class ScheduledExecutorTest exten
1026		/**
1027		* invokeAll(c) returns results of all completed tasks
1028		*/
1029	<	public void testInvokeAll5() {
1029	>	public void testInvokeAll5() throws Exception {
1030		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1031		try {
1032	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1032	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1033		l.add(new StringTask());
1034		l.add(new StringTask());
1035	<	List<Future<String>> result = e.invokeAll(l);
1036	<	assertEquals(2, result.size());
1037	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1038	<	assertSame(TEST_STRING, it.next().get());
1035	>	List<Future<String>> futures = e.invokeAll(l);
1036	>	assertEquals(2, futures.size());
1037	>	for (Future<String> future : futures)
1038	>	assertSame(TEST_STRING, future.get());
1039	>	} finally {
1040	>	joinPool(e);
1041	>	}
1042	>	}
1043	>
1044	>	/**
1045	>	* timed invokeAny(null) throws NPE
1046	>	*/
1047	>	public void testTimedInvokeAny1() throws Exception {
1048	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1049	>	try {
1050	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1051	>	shouldThrow();
1052	>	} catch (NullPointerException success) {
1053	>	} finally {
1054	>	joinPool(e);
1055	>	}
1056	>	}
1057	>
1058	>	/**
1059	>	* timed invokeAny(,,null) throws NPE
1060	>	*/
1061	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1062	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1063	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1064	>	l.add(new StringTask());
1065	>	try {
1066	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1067	>	shouldThrow();
1068	>	} catch (NullPointerException success) {
1069	>	} finally {
1070	>	joinPool(e);
1071	>	}
1072	>	}
1073	>
1074	>	/**
1075	>	* timed invokeAny(empty collection) throws IAE
1076	>	*/
1077	>	public void testTimedInvokeAny2() throws Exception {
1078	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1079	>	try {
1080	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1081	>	shouldThrow();
1082	>	} catch (IllegalArgumentException success) {
1083	>	} finally {
1084	>	joinPool(e);
1085	>	}
1086	>	}
1087	>
1088	>	/**
1089	>	* timed invokeAny(c) throws NPE if c has null elements
1090	>	*/
1091	>	public void testTimedInvokeAny3() throws Exception {
1092	>	CountDownLatch latch = new CountDownLatch(1);
1093	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1094	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1095	>	l.add(latchAwaitingStringTask(latch));
1096	>	l.add(null);
1097	>	try {
1098	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1099	>	shouldThrow();
1100	>	} catch (NullPointerException success) {
1101	>	} finally {
1102	>	latch.countDown();
1103	>	joinPool(e);
1104	>	}
1105	>	}
1106	>
1107	>	/**
1108	>	* timed invokeAny(c) throws ExecutionException if no task completes
1109	>	*/
1110	>	public void testTimedInvokeAny4() throws Exception {
1111	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1112	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1113	>	l.add(new NPETask());
1114	>	try {
1115	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1116	>	shouldThrow();
1117	>	} catch (ExecutionException success) {
1118	>	assertTrue(success.getCause() instanceof NullPointerException);
1119	>	} finally {
1120	>	joinPool(e);
1121	>	}
1122	>	}
1123	>
1124	>	/**
1125	>	* timed invokeAny(c) returns result of some task
1126	>	*/
1127	>	public void testTimedInvokeAny5() throws Exception {
1128	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1129	>	try {
1130	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1131	>	l.add(new StringTask());
1132	>	l.add(new StringTask());
1133	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1134	>	assertSame(TEST_STRING, result);
1135	>	} finally {
1136	>	joinPool(e);
1137	>	}
1138	>	}
1139	>
1140	>	/**
1141	>	* timed invokeAll(null) throws NPE
1142	>	*/
1143	>	public void testTimedInvokeAll1() throws Exception {
1144	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1145	>	try {
1146	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1147	>	shouldThrow();
1148	>	} catch (NullPointerException success) {
1149	>	} finally {
1150	>	joinPool(e);
1151	>	}
1152	>	}
1153	>
1154	>	/**
1155	>	* timed invokeAll(,,null) throws NPE
1156	>	*/
1157	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1158	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1159	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1160	>	l.add(new StringTask());
1161	>	try {
1162	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1163	>	shouldThrow();
1164	>	} catch (NullPointerException success) {
1165	>	} finally {
1166	>	joinPool(e);
1167	>	}
1168	>	}
1169	>
1170	>	/**
1171	>	* timed invokeAll(empty collection) returns empty collection
1172	>	*/
1173	>	public void testTimedInvokeAll2() throws Exception {
1174	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1175	>	try {
1176	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1177	>	assertTrue(r.isEmpty());
1178	>	} finally {
1179	>	joinPool(e);
1180	>	}
1181	>	}
1182	>
1183	>	/**
1184	>	* timed invokeAll(c) throws NPE if c has null elements
1185	>	*/
1186	>	public void testTimedInvokeAll3() throws Exception {
1187	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1188	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1189	>	l.add(new StringTask());
1190	>	l.add(null);
1191	>	try {
1192	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1193	>	shouldThrow();
1194	>	} catch (NullPointerException success) {
1195	>	} finally {
1196	>	joinPool(e);
1197	>	}
1198	>	}
1199	>
1200	>	/**
1201	>	* get of element of invokeAll(c) throws exception on failed task
1202	>	*/
1203	>	public void testTimedInvokeAll4() throws Exception {
1204	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1205	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1206	>	l.add(new NPETask());
1207	>	List<Future<String>> futures =
1208	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1209	>	assertEquals(1, futures.size());
1210	>	try {
1211	>	futures.get(0).get();
1212	>	shouldThrow();
1213		} catch (ExecutionException success) {
1214	<	} catch(Exception ex) {
840	<	unexpectedException();
1214	>	assertTrue(success.getCause() instanceof NullPointerException);
1215		} finally {
1216		joinPool(e);
1217		}
1218		}
1219
1220	+	/**
1221	+	* timed invokeAll(c) returns results of all completed tasks
1222	+	*/
1223	+	public void testTimedInvokeAll5() throws Exception {
1224	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1225	+	try {
1226	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1227	+	l.add(new StringTask());
1228	+	l.add(new StringTask());
1229	+	List<Future<String>> futures =
1230	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1231	+	assertEquals(2, futures.size());
1232	+	for (Future<String> future : futures)
1233	+	assertSame(TEST_STRING, future.get());
1234	+	} finally {
1235	+	joinPool(e);
1236	+	}
1237	+	}
1238	+
1239	+	/**
1240	+	* timed invokeAll(c) cancels tasks not completed by timeout
1241	+	*/
1242	+	public void testTimedInvokeAll6() throws Exception {
1243	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1244	+	try {
1245	+	for (long timeout = timeoutMillis();;) {
1246	+	List<Callable<String>> tasks = new ArrayList<>();
1247	+	tasks.add(new StringTask("0"));
1248	+	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1249	+	tasks.add(new StringTask("2"));
1250	+	long startTime = System.nanoTime();
1251	+	List<Future<String>> futures =
1252	+	e.invokeAll(tasks, timeout, MILLISECONDS);
1253	+	assertEquals(tasks.size(), futures.size());
1254	+	assertTrue(millisElapsedSince(startTime) >= timeout);
1255	+	for (Future future : futures)
1256	+	assertTrue(future.isDone());
1257	+	assertTrue(futures.get(1).isCancelled());
1258	+	try {
1259	+	assertEquals("0", futures.get(0).get());
1260	+	assertEquals("2", futures.get(2).get());
1261	+	break;
1262	+	} catch (CancellationException retryWithLongerTimeout) {
1263	+	timeout *= 2;
1264	+	if (timeout >= LONG_DELAY_MS / 2)
1265	+	fail("expected exactly one task to be cancelled");
1266	+	}
1267	+	}
1268	+	} finally {
1269	+	joinPool(e);
1270	+	}
1271	+	}
1272
1273		}

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