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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 1.65 by jsr166, Mon Oct 5 21:42:48 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();
32	<	try {
33	<	Thread.sleep(MEDIUM_DELAY_MS);
34	<	} catch(InterruptedException e){
35	<	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	>	try (PoolCleaner cleaner = cleaner(p)) {
47	>	final CountDownLatch done = new CountDownLatch(1);
48	>	final Runnable task = new CheckedRunnable() {
49	>	public void realRun() { done.countDown(); }};
50	>	p.execute(task);
51	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
52		}
44	–
53		}
54
47	–
55		/**
56		* delayed schedule of callable successfully executes after delay
57		*/
58	<	public void testSchedule1() {
59	<	try {
60	<	TrackedCallable callable = new TrackedCallable();
61	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
62	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
63	<	assertFalse(callable.done);
64	<	Thread.sleep(MEDIUM_DELAY_MS);
65	<	assertTrue(callable.done);
66	<	assertEquals(Boolean.TRUE, f.get());
67	<	p1.shutdown();
68	<	joinPool(p1);
69	<	} catch(RejectedExecutionException e){}
70	<	catch(Exception e){
71	<	e.printStackTrace();
72	<	unexpectedException();
58	>	public void testSchedule1() throws Exception {
59	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
60	>	try (PoolCleaner cleaner = cleaner(p)) {
61	>	final long startTime = System.nanoTime();
62	>	final CountDownLatch done = new CountDownLatch(1);
63	>	Callable task = new CheckedCallable<Boolean>() {
64	>	public Boolean realCall() {
65	>	done.countDown();
66	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
67	>	return Boolean.TRUE;
68	>	}};
69	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
70	>	assertSame(Boolean.TRUE, f.get());
71	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
72	>	assertTrue(done.await(0L, MILLISECONDS));
73		}
74		}
75
76		/**
77	<	*  delayed schedule of runnable successfully executes after delay
78	<	*/
79	<	public void testSchedule3() {
80	<	try {
81	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
82	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
83	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
84	<	Thread.sleep(SHORT_DELAY_MS);
85	<	assertFalse(runnable.done);
86	<	Thread.sleep(MEDIUM_DELAY_MS);
87	<	assertTrue(runnable.done);
88	<	p1.shutdown();
89	<	joinPool(p1);
90	<	} catch(Exception e){
91	<	unexpectedException();
77	>	* delayed schedule of runnable successfully executes after delay
78	>	*/
79	>	public void testSchedule3() throws Exception {
80	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
81	>	try (PoolCleaner cleaner = cleaner(p)) {
82	>	final long startTime = System.nanoTime();
83	>	final CountDownLatch done = new CountDownLatch(1);
84	>	Runnable task = new CheckedRunnable() {
85	>	public void realRun() {
86	>	done.countDown();
87	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
88	>	}};
89	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
90	>	await(done);
91	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
92	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
93		}
94		}
95	<
95	>
96		/**
97		* scheduleAtFixedRate executes runnable after given initial delay
98		*/
99	<	public void testSchedule4() {
100	<	try {
101	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
102	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
103	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
104	<	assertFalse(runnable.done);
105	<	Thread.sleep(MEDIUM_DELAY_MS);
106	<	assertTrue(runnable.done);
107	<	h.cancel(true);
108	<	p1.shutdown();
109	<	joinPool(p1);
110	<	} catch(Exception e){
111	<	unexpectedException();
99	>	public void testSchedule4() throws Exception {
100	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
101	>	try (PoolCleaner cleaner = cleaner(p)) {
102	>	final long startTime = System.nanoTime();
103	>	final CountDownLatch done = new CountDownLatch(1);
104	>	Runnable task = new CheckedRunnable() {
105	>	public void realRun() {
106	>	done.countDown();
107	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
108	>	}};
109	>	ScheduledFuture f =
110	>	p.scheduleAtFixedRate(task, timeoutMillis(),
111	>	LONG_DELAY_MS, MILLISECONDS);
112	>	await(done);
113	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
114	>	f.cancel(true);
115		}
116		}
117
118		/**
119		* scheduleWithFixedDelay executes runnable after given initial delay
120		*/
121	<	public void testSchedule5() {
122	<	try {
123	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
124	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
125	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
126	<	assertFalse(runnable.done);
127	<	Thread.sleep(MEDIUM_DELAY_MS);
128	<	assertTrue(runnable.done);
129	<	h.cancel(true);
130	<	p1.shutdown();
131	<	joinPool(p1);
132	<	} catch(Exception e){
133	<	unexpectedException();
121	>	public void testSchedule5() throws Exception {
122	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
123	>	try (PoolCleaner cleaner = cleaner(p)) {
124	>	final long startTime = System.nanoTime();
125	>	final CountDownLatch done = new CountDownLatch(1);
126	>	Runnable task = new CheckedRunnable() {
127	>	public void realRun() {
128	>	done.countDown();
129	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
130	>	}};
131	>	ScheduledFuture f =
132	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
133	>	LONG_DELAY_MS, MILLISECONDS);
134	>	await(done);
135	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
136	>	f.cancel(true);
137		}
138		}
139	<
139	>
140	>	static class RunnableCounter implements Runnable {
141	>	AtomicInteger count = new AtomicInteger(0);
142	>	public void run() { count.getAndIncrement(); }
143	>	}
144	>
145		/**
146	<	*  execute (null) throws NPE
146	>	* scheduleAtFixedRate executes series of tasks at given rate
147	>	*/
148	>	public void testFixedRateSequence() throws InterruptedException {
149	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
150	>	try (PoolCleaner cleaner = cleaner(p)) {
151	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
152	>	long startTime = System.nanoTime();
153	>	int cycles = 10;
154	>	final CountDownLatch done = new CountDownLatch(cycles);
155	>	Runnable task = new CheckedRunnable() {
156	>	public void realRun() { done.countDown(); }};
157	>	ScheduledFuture h =
158	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
159	>	done.await();
160	>	h.cancel(true);
161	>	double normalizedTime =
162	>	(double) millisElapsedSince(startTime) / delay;
163	>	if (normalizedTime >= cycles - 1 &&
164	>	normalizedTime <= cycles)
165	>	return;
166	>	}
167	>	throw new AssertionError("unexpected execution rate");
168	>	}
169	>	}
170	>
171	>	/**
172	>	* scheduleWithFixedDelay executes series of tasks with given period
173		*/
174	<	public void testExecuteNull() {
175	<	ScheduledThreadPoolExecutor se = null;
176	<	try {
177	<	se = new ScheduledThreadPoolExecutor(1);
178	<	se.execute(null);
179	<	shouldThrow();
180	<	} catch(NullPointerException success){}
181	<	catch(Exception e){
182	<	unexpectedException();
174	>	public void testFixedDelaySequence() throws InterruptedException {
175	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
176	>	try (PoolCleaner cleaner = cleaner(p)) {
177	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
178	>	long startTime = System.nanoTime();
179	>	int cycles = 10;
180	>	final CountDownLatch done = new CountDownLatch(cycles);
181	>	Runnable task = new CheckedRunnable() {
182	>	public void realRun() { done.countDown(); }};
183	>	ScheduledFuture h =
184	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
185	>	done.await();
186	>	h.cancel(true);
187	>	double normalizedTime =
188	>	(double) millisElapsedSince(startTime) / delay;
189	>	if (normalizedTime >= cycles - 1 &&
190	>	normalizedTime <= cycles)
191	>	return;
192	>	}
193	>	throw new AssertionError("unexpected execution rate");
194		}
139	–
140	–	joinPool(se);
195		}
196
197		/**
198	<	* schedule (null) throws NPE
198	>	* execute(null) throws NPE
199		*/
200	<	public void testScheduleNull() {
201	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
202	<	try {
203	<	TrackedCallable callable = null;
204	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
205	<	shouldThrow();
206	<	} catch(NullPointerException success){}
153	<	catch(Exception e){
154	<	unexpectedException();
200	>	public void testExecuteNull() throws InterruptedException {
201	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
202	>	try (PoolCleaner cleaner = cleaner(p)) {
203	>	try {
204	>	p.execute(null);
205	>	shouldThrow();
206	>	} catch (NullPointerException success) {}
207		}
156	–	joinPool(se);
208		}
209	<
209	>
210		/**
211	<	* execute throws RejectedExecutionException if shutdown
211	>	* schedule(null) throws NPE
212		*/
213	<	public void testSchedule1_RejectedExecutionException() {
214	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
215	<	try {
216	<	se.shutdown();
217	<	se.schedule(new NoOpRunnable(),
218	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
219	<	shouldThrow();
220	<	} catch(RejectedExecutionException success){
213	>	public void testScheduleNull() throws InterruptedException {
214	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
215	>	try (PoolCleaner cleaner = cleaner(p)) {
216	>	try {
217	>	TrackedCallable callable = null;
218	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
219	>	shouldThrow();
220	>	} catch (NullPointerException success) {}
221		}
222	<	joinPool(se);
222	>	}
223
224	+	/**
225	+	* execute throws RejectedExecutionException if shutdown
226	+	*/
227	+	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
228	+	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
229	+	try (PoolCleaner cleaner = cleaner(p)) {
230	+	try {
231	+	p.shutdown();
232	+	p.schedule(new NoOpRunnable(),
233	+	MEDIUM_DELAY_MS, MILLISECONDS);
234	+	shouldThrow();
235	+	} catch (RejectedExecutionException success) {
236	+	} catch (SecurityException ok) {}
237	+	}
238		}
239
240		/**
241		* schedule throws RejectedExecutionException if shutdown
242		*/
243	<	public void testSchedule2_RejectedExecutionException() {
244	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
245	<	try {
246	<	se.shutdown();
247	<	se.schedule(new NoOpCallable(),
248	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
249	<	shouldThrow();
250	<	} catch(RejectedExecutionException success){
243	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
244	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
245	>	try (PoolCleaner cleaner = cleaner(p)) {
246	>	try {
247	>	p.shutdown();
248	>	p.schedule(new NoOpCallable(),
249	>	MEDIUM_DELAY_MS, MILLISECONDS);
250	>	shouldThrow();
251	>	} catch (RejectedExecutionException success) {
252	>	} catch (SecurityException ok) {}
253		}
187	–	joinPool(se);
254		}
255
256		/**
257		* schedule callable throws RejectedExecutionException if shutdown
258		*/
259	<	public void testSchedule3_RejectedExecutionException() {
260	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
261	<	try {
262	<	se.shutdown();
263	<	se.schedule(new NoOpCallable(),
264	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
265	<	shouldThrow();
266	<	} catch(RejectedExecutionException success){
267	<	}
268	<	joinPool(se);
259	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
260	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
261	>	try (PoolCleaner cleaner = cleaner(p)) {
262	>	try {
263	>	p.shutdown();
264	>	p.schedule(new NoOpCallable(),
265	>	MEDIUM_DELAY_MS, MILLISECONDS);
266	>	shouldThrow();
267	>	} catch (RejectedExecutionException success) {
268	>	} catch (SecurityException ok) {}
269	>	}
270		}
271
272		/**
273	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
274	<	*/
275	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
276	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
277	<	try {
278	<	se.shutdown();
279	<	se.scheduleAtFixedRate(new NoOpRunnable(),
280	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
281	<	shouldThrow();
282	<	} catch(RejectedExecutionException success){
283	<	}
284	<	joinPool(se);
273	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
274	>	*/
275	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
276	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
277	>	try (PoolCleaner cleaner = cleaner(p)) {
278	>	try {
279	>	p.shutdown();
280	>	p.scheduleAtFixedRate(new NoOpRunnable(),
281	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
282	>	shouldThrow();
283	>	} catch (RejectedExecutionException success) {
284	>	} catch (SecurityException ok) {}
285	>	}
286		}
287	<
287	>
288		/**
289		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
290		*/
291	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
292	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
293	<	try {
294	<	se.shutdown();
295	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
296	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
297	<	shouldThrow();
298	<	} catch(RejectedExecutionException success){
299	<	}
300	<	joinPool(se);
291	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
292	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
293	>	try (PoolCleaner cleaner = cleaner(p)) {
294	>	try {
295	>	p.shutdown();
296	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
297	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
298	>	shouldThrow();
299	>	} catch (RejectedExecutionException success) {
300	>	} catch (SecurityException ok) {}
301	>	}
302		}
303
304		/**
305	<	*  getActiveCount increases but doesn't overestimate, when a
306	<	*  thread becomes active
307	<	*/
308	<	public void testGetActiveCount() {
309	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
310	<	assertEquals(0, p2.getActiveCount());
311	<	p2.execute(new SmallRunnable());
312	<	try {
313	<	Thread.sleep(SHORT_DELAY_MS);
314	<	} catch(Exception e){
315	<	unexpectedException();
316	<	}
317	<	assertEquals(1, p2.getActiveCount());
318	<	joinPool(p2);
319	<	}
320	<
321	<	/**
322	<	*    getCompletedTaskCount increases, but doesn't overestimate,
254	<	*   when tasks complete
255	<	*/
256	<	public void testGetCompletedTaskCount() {
257	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
258	<	assertEquals(0, p2.getCompletedTaskCount());
259	<	p2.execute(new SmallRunnable());
260	<	try {
261	<	Thread.sleep(MEDIUM_DELAY_MS);
262	<	} catch(Exception e){
263	<	unexpectedException();
305	>	* getActiveCount increases but doesn't overestimate, when a
306	>	* thread becomes active
307	>	*/
308	>	public void testGetActiveCount() throws InterruptedException {
309	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
310	>	try (PoolCleaner cleaner = cleaner(p)) {
311	>	final CountDownLatch threadStarted = new CountDownLatch(1);
312	>	final CountDownLatch done = new CountDownLatch(1);
313	>	assertEquals(0, p.getActiveCount());
314	>	p.execute(new CheckedRunnable() {
315	>	public void realRun() throws InterruptedException {
316	>	threadStarted.countDown();
317	>	assertEquals(1, p.getActiveCount());
318	>	done.await();
319	>	}});
320	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
321	>	assertEquals(1, p.getActiveCount());
322	>	done.countDown();
323		}
265	–	assertEquals(1, p2.getCompletedTaskCount());
266	–	joinPool(p2);
324		}
325	<
325	>
326		/**
327	<	*  getCorePoolSize returns size given in constructor if not otherwise set
328	<	*/
329	<	public void testGetCorePoolSize() {
330	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
331	<	assertEquals(1, p1.getCorePoolSize());
332	<	joinPool(p1);
327	>	* getCompletedTaskCount increases, but doesn't overestimate,
328	>	* when tasks complete
329	>	*/
330	>	public void testGetCompletedTaskCount() throws InterruptedException {
331	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
332	>	try (PoolCleaner cleaner = cleaner(p)) {
333	>	final CountDownLatch threadStarted = new CountDownLatch(1);
334	>	final CountDownLatch threadProceed = new CountDownLatch(1);
335	>	final CountDownLatch threadDone = new CountDownLatch(1);
336	>	assertEquals(0, p.getCompletedTaskCount());
337	>	p.execute(new CheckedRunnable() {
338	>	public void realRun() throws InterruptedException {
339	>	threadStarted.countDown();
340	>	assertEquals(0, p.getCompletedTaskCount());
341	>	threadProceed.await();
342	>	threadDone.countDown();
343	>	}});
344	>	await(threadStarted);
345	>	assertEquals(0, p.getCompletedTaskCount());
346	>	threadProceed.countDown();
347	>	threadDone.await();
348	>	long startTime = System.nanoTime();
349	>	while (p.getCompletedTaskCount() != 1) {
350	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
351	>	fail("timed out");
352	>	Thread.yield();
353	>	}
354	>	}
355		}
356	<
356	>
357		/**
358	<	*    getLargestPoolSize increases, but doesn't overestimate, when
280	<	*   multiple threads active
358	>	* getCorePoolSize returns size given in constructor if not otherwise set
359		*/
360	<	public void testGetLargestPoolSize() {
361	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
362	<	assertEquals(0, p2.getLargestPoolSize());
363	<	p2.execute(new SmallRunnable());
364	<	p2.execute(new SmallRunnable());
365	<	try {
366	<	Thread.sleep(SHORT_DELAY_MS);
367	<	} catch(Exception e){
368	<	unexpectedException();
369	<	}
370	<	assertEquals(2, p2.getLargestPoolSize());
371	<	joinPool(p2);
372	<	}
373	<
374	<	/**
375	<	*   getPoolSize increases, but doesn't overestimate, when threads
376	<	*   become active
377	<	*/
378	<	public void testGetPoolSize() {
379	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
380	<	assertEquals(0, p1.getPoolSize());
381	<	p1.execute(new SmallRunnable());
382	<	assertEquals(1, p1.getPoolSize());
383	<	joinPool(p1);
384	<	}
385	<
386	<	/**
387	<	*    getTaskCount increases, but doesn't overestimate, when tasks
388	<	*    submitted
389	<	*/
390	<	public void testGetTaskCount() {
391	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
392	<	assertEquals(0, p1.getTaskCount());
393	<	for(int i = 0; i < 5; i++)
394	<	p1.execute(new SmallRunnable());
395	<	try {
396	<	Thread.sleep(SHORT_DELAY_MS);
397	<	} catch(Exception e){
398	<	unexpectedException();
360	>	public void testGetCorePoolSize() throws InterruptedException {
361	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
362	>	try (PoolCleaner cleaner = cleaner(p)) {
363	>	assertEquals(1, p.getCorePoolSize());
364	>	}
365	>	}
366	>
367	>	/**
368	>	* getLargestPoolSize increases, but doesn't overestimate, when
369	>	* multiple threads active
370	>	*/
371	>	public void testGetLargestPoolSize() throws InterruptedException {
372	>	final int THREADS = 3;
373	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
374	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
375	>	final CountDownLatch done = new CountDownLatch(1);
376	>	try (PoolCleaner cleaner = cleaner(p)) {
377	>	assertEquals(0, p.getLargestPoolSize());
378	>	for (int i = 0; i < THREADS; i++)
379	>	p.execute(new CheckedRunnable() {
380	>	public void realRun() throws InterruptedException {
381	>	threadsStarted.countDown();
382	>	done.await();
383	>	assertEquals(THREADS, p.getLargestPoolSize());
384	>	}});
385	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
386	>	assertEquals(THREADS, p.getLargestPoolSize());
387	>	done.countDown();
388	>	}
389	>	assertEquals(THREADS, p.getLargestPoolSize());
390	>	}
391	>
392	>	/**
393	>	* getPoolSize increases, but doesn't overestimate, when threads
394	>	* become active
395	>	*/
396	>	public void testGetPoolSize() throws InterruptedException {
397	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
398	>	final CountDownLatch threadStarted = new CountDownLatch(1);
399	>	final CountDownLatch done = new CountDownLatch(1);
400	>	try (PoolCleaner cleaner = cleaner(p)) {
401	>	assertEquals(0, p.getPoolSize());
402	>	p.execute(new CheckedRunnable() {
403	>	public void realRun() throws InterruptedException {
404	>	threadStarted.countDown();
405	>	assertEquals(1, p.getPoolSize());
406	>	done.await();
407	>	}});
408	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
409	>	assertEquals(1, p.getPoolSize());
410	>	done.countDown();
411	>	}
412	>	}
413	>
414	>	/**
415	>	* getTaskCount increases, but doesn't overestimate, when tasks
416	>	* submitted
417	>	*/
418	>	public void testGetTaskCount() throws InterruptedException {
419	>	final int TASKS = 3;
420	>	final CountDownLatch done = new CountDownLatch(1);
421	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
422	>	try (PoolCleaner cleaner = cleaner(p, done)) {
423	>	final CountDownLatch threadStarted = new CountDownLatch(1);
424	>	assertEquals(0, p.getTaskCount());
425	>	assertEquals(0, p.getCompletedTaskCount());
426	>	p.execute(new CheckedRunnable() {
427	>	public void realRun() throws InterruptedException {
428	>	threadStarted.countDown();
429	>	done.await();
430	>	}});
431	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
432	>	assertEquals(1, p.getTaskCount());
433	>	assertEquals(0, p.getCompletedTaskCount());
434	>	for (int i = 0; i < TASKS; i++) {
435	>	assertEquals(1 + i, p.getTaskCount());
436	>	p.execute(new CheckedRunnable() {
437	>	public void realRun() throws InterruptedException {
438	>	threadStarted.countDown();
439	>	assertEquals(1 + TASKS, p.getTaskCount());
440	>	done.await();
441	>	}});
442	>	}
443	>	assertEquals(1 + TASKS, p.getTaskCount());
444	>	assertEquals(0, p.getCompletedTaskCount());
445		}
446	<	assertEquals(5, p1.getTaskCount());
447	<	joinPool(p1);
446	>	assertEquals(1 + TASKS, p.getTaskCount());
447	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
448		}
449
450	<	/**
450	>	/**
451		* getThreadFactory returns factory in constructor if not set
452		*/
453	<	public void testGetThreadFactory() {
454	<	ThreadFactory tf = new SimpleThreadFactory();
455	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
456	<	assertSame(tf, p.getThreadFactory());
457	<	p.shutdown();
458	<	joinPool(p);
453	>	public void testGetThreadFactory() throws InterruptedException {
454	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
455	>	final ScheduledThreadPoolExecutor p =
456	>	new ScheduledThreadPoolExecutor(1, threadFactory);
457	>	try (PoolCleaner cleaner = cleaner(p)) {
458	>	assertSame(threadFactory, p.getThreadFactory());
459	>	}
460		}
461
462	<	/**
462	>	/**
463		* setThreadFactory sets the thread factory returned by getThreadFactory
464		*/
465	<	public void testSetThreadFactory() {
466	<	ThreadFactory tf = new SimpleThreadFactory();
467	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
468	<	p.setThreadFactory(tf);
469	<	assertSame(tf, p.getThreadFactory());
470	<	p.shutdown();
471	<	joinPool(p);
465	>	public void testSetThreadFactory() throws InterruptedException {
466	>	ThreadFactory threadFactory = new SimpleThreadFactory();
467	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
468	>	try (PoolCleaner cleaner = cleaner(p)) {
469	>	p.setThreadFactory(threadFactory);
470	>	assertSame(threadFactory, p.getThreadFactory());
471	>	}
472		}
473
474	<	/**
474	>	/**
475		* setThreadFactory(null) throws NPE
476		*/
477	<	public void testSetThreadFactoryNull() {
478	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
479	<	try {
480	<	p.setThreadFactory(null);
481	<	shouldThrow();
482	<	} catch (NullPointerException success) {
483	<	} finally {
359	<	joinPool(p);
477	>	public void testSetThreadFactoryNull() throws InterruptedException {
478	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
479	>	try (PoolCleaner cleaner = cleaner(p)) {
480	>	try {
481	>	p.setThreadFactory(null);
482	>	shouldThrow();
483	>	} catch (NullPointerException success) {}
484		}
485		}
486	<
486	>
487		/**
488	<	*   is isShutDown is false before shutdown, true after
488	>	* isShutdown is false before shutdown, true after
489		*/
490		public void testIsShutdown() {
491	<
492	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
491	>
492	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
493		try {
494	<	assertFalse(p1.isShutdown());
494	>	assertFalse(p.isShutdown());
495		}
496		finally {
497	<	p1.shutdown();
497	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
498		}
499	<	assertTrue(p1.isShutdown());
499	>	assertTrue(p.isShutdown());
500		}
501
378	–
502		/**
503	<	*   isTerminated is false before termination, true after
503	>	* isTerminated is false before termination, true after
504		*/
505	<	public void testIsTerminated() {
506	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
507	<	try {
508	<	p1.execute(new SmallRunnable());
509	<	} finally {
510	<	p1.shutdown();
505	>	public void testIsTerminated() throws InterruptedException {
506	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
507	>	try (PoolCleaner cleaner = cleaner(p)) {
508	>	final CountDownLatch threadStarted = new CountDownLatch(1);
509	>	final CountDownLatch done = new CountDownLatch(1);
510	>	assertFalse(p.isTerminated());
511	>	p.execute(new CheckedRunnable() {
512	>	public void realRun() throws InterruptedException {
513	>	assertFalse(p.isTerminated());
514	>	threadStarted.countDown();
515	>	done.await();
516	>	}});
517	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
518	>	assertFalse(p.isTerminating());
519	>	done.countDown();
520	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
521	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
522	>	assertTrue(p.isTerminated());
523		}
389	–	try {
390	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
391	–	assertTrue(p1.isTerminated());
392	–	} catch(Exception e){
393	–	unexpectedException();
394	–	}
524		}
525
526		/**
527	<	*  isTerminating is not true when running or when terminated
528	<	*/
529	<	public void testIsTerminating() {
530	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
531	<	assertFalse(p1.isTerminating());
532	<	try {
533	<	p1.execute(new SmallRunnable());
534	<	assertFalse(p1.isTerminating());
535	<	} finally {
536	<	p1.shutdown();
527	>	* isTerminating is not true when running or when terminated
528	>	*/
529	>	public void testIsTerminating() throws InterruptedException {
530	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
531	>	final CountDownLatch threadStarted = new CountDownLatch(1);
532	>	final CountDownLatch done = new CountDownLatch(1);
533	>	try (PoolCleaner cleaner = cleaner(p)) {
534	>	assertFalse(p.isTerminating());
535	>	p.execute(new CheckedRunnable() {
536	>	public void realRun() throws InterruptedException {
537	>	assertFalse(p.isTerminating());
538	>	threadStarted.countDown();
539	>	done.await();
540	>	}});
541	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
542	>	assertFalse(p.isTerminating());
543	>	done.countDown();
544	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
545	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
546	>	assertTrue(p.isTerminated());
547	>	assertFalse(p.isTerminating());
548		}
409	–	try {
410	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
411	–	assertTrue(p1.isTerminated());
412	–	assertFalse(p1.isTerminating());
413	–	} catch(Exception e){
414	–	unexpectedException();
415	–	}
549		}
550
551		/**
552		* getQueue returns the work queue, which contains queued tasks
553		*/
554	<	public void testGetQueue() {
555	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
556	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
557	<	for(int i = 0; i < 5; i++){
558	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
559	<	}
560	<	try {
561	<	Thread.sleep(SHORT_DELAY_MS);
562	<	BlockingQueue<Runnable> q = p1.getQueue();
563	<	assertTrue(q.contains(tasks[4]));
554	>	public void testGetQueue() throws InterruptedException {
555	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
556	>	try (PoolCleaner cleaner = cleaner(p)) {
557	>	final CountDownLatch threadStarted = new CountDownLatch(1);
558	>	final CountDownLatch done = new CountDownLatch(1);
559	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
560	>	for (int i = 0; i < tasks.length; i++) {
561	>	Runnable r = new CheckedRunnable() {
562	>	public void realRun() throws InterruptedException {
563	>	threadStarted.countDown();
564	>	done.await();
565	>	}};
566	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
567	>	}
568	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
569	>	BlockingQueue<Runnable> q = p.getQueue();
570	>	assertTrue(q.contains(tasks[tasks.length - 1]));
571		assertFalse(q.contains(tasks[0]));
572	<	p1.shutdownNow();
433	<	} catch(Exception e) {
434	<	unexpectedException();
435	<	} finally {
436	<	joinPool(p1);
572	>	done.countDown();
573		}
574		}
575
576		/**
577		* remove(task) removes queued task, and fails to remove active task
578		*/
579	<	public void testRemove() {
580	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
581	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
582	<	for(int i = 0; i < 5; i++){
583	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
584	<	}
585	<	try {
586	<	Thread.sleep(SHORT_DELAY_MS);
587	<	BlockingQueue<Runnable> q = p1.getQueue();
588	<	assertFalse(p1.remove((Runnable)tasks[0]));
579	>	public void testRemove() throws InterruptedException {
580	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
581	>	try (PoolCleaner cleaner = cleaner(p)) {
582	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
583	>	final CountDownLatch threadStarted = new CountDownLatch(1);
584	>	final CountDownLatch done = new CountDownLatch(1);
585	>	for (int i = 0; i < tasks.length; i++) {
586	>	Runnable r = new CheckedRunnable() {
587	>	public void realRun() throws InterruptedException {
588	>	threadStarted.countDown();
589	>	done.await();
590	>	}};
591	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
592	>	}
593	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
594	>	BlockingQueue<Runnable> q = p.getQueue();
595	>	assertFalse(p.remove((Runnable)tasks[0]));
596		assertTrue(q.contains((Runnable)tasks[4]));
597		assertTrue(q.contains((Runnable)tasks[3]));
598	<	assertTrue(p1.remove((Runnable)tasks[4]));
599	<	assertFalse(p1.remove((Runnable)tasks[4]));
598	>	assertTrue(p.remove((Runnable)tasks[4]));
599	>	assertFalse(p.remove((Runnable)tasks[4]));
600		assertFalse(q.contains((Runnable)tasks[4]));
601		assertTrue(q.contains((Runnable)tasks[3]));
602	<	assertTrue(p1.remove((Runnable)tasks[3]));
602	>	assertTrue(p.remove((Runnable)tasks[3]));
603		assertFalse(q.contains((Runnable)tasks[3]));
604	<	p1.shutdownNow();
462	<	} catch(Exception e) {
463	<	unexpectedException();
464	<	} finally {
465	<	joinPool(p1);
604	>	done.countDown();
605		}
606		}
607
608		/**
609	<	*  purge removes cancelled tasks from the queue
609	>	* purge eventually removes cancelled tasks from the queue
610		*/
611	<	public void testPurge() {
612	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
611	>	public void testPurge() throws InterruptedException {
612	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
613		ScheduledFuture[] tasks = new ScheduledFuture[5];
614	<	for(int i = 0; i < 5; i++){
615	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
614	>	for (int i = 0; i < tasks.length; i++)
615	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
616	>	LONG_DELAY_MS, MILLISECONDS);
617	>	try {
618	>	int max = tasks.length;
619	>	if (tasks[4].cancel(true)) --max;
620	>	if (tasks[3].cancel(true)) --max;
621	>	// There must eventually be an interference-free point at
622	>	// which purge will not fail. (At worst, when queue is empty.)
623	>	long startTime = System.nanoTime();
624	>	do {
625	>	p.purge();
626	>	long count = p.getTaskCount();
627	>	if (count == max)
628	>	return;
629	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
630	>	fail("Purge failed to remove cancelled tasks");
631	>	} finally {
632	>	for (ScheduledFuture task : tasks)
633	>	task.cancel(true);
634	>	joinPool(p);
635		}
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);
636		}
637
638		/**
639	<	*  shutDownNow returns a list containing tasks that were not run
639	>	* shutdownNow returns a list containing tasks that were not run,
640	>	* and those tasks are drained from the queue
641		*/
642	<	public void testShutDownNow() {
643	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
644	<	for(int i = 0; i < 5; i++)
645	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
646	<	List l = p1.shutdownNow();
647	<	assertTrue(p1.isShutdown());
648	<	assertTrue(l.size() > 0 && l.size() <= 5);
649	<	joinPool(p1);
642	>	public void testShutdownNow() throws InterruptedException {
643	>	final int poolSize = 2;
644	>	final int count = 5;
645	>	final AtomicInteger ran = new AtomicInteger(0);
646	>	final ScheduledThreadPoolExecutor p =
647	>	new ScheduledThreadPoolExecutor(poolSize);
648	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
649	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
650	>	threadsStarted.countDown();
651	>	try {
652	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
653	>	} catch (InterruptedException success) {}
654	>	ran.getAndIncrement();
655	>	}};
656	>	for (int i = 0; i < count; i++)
657	>	p.execute(waiter);
658	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
659	>	assertEquals(poolSize, p.getActiveCount());
660	>	assertEquals(0, p.getCompletedTaskCount());
661	>	final List<Runnable> queuedTasks;
662	>	try {
663	>	queuedTasks = p.shutdownNow();
664	>	} catch (SecurityException ok) {
665	>	return; // Allowed in case test doesn't have privs
666	>	}
667	>	assertTrue(p.isShutdown());
668	>	assertTrue(p.getQueue().isEmpty());
669	>	assertEquals(count - poolSize, queuedTasks.size());
670	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
671	>	assertTrue(p.isTerminated());
672	>	assertEquals(poolSize, ran.get());
673	>	assertEquals(poolSize, p.getCompletedTaskCount());
674	>	}
675	>
676	>	/**
677	>	* shutdownNow returns a list containing tasks that were not run,
678	>	* and those tasks are drained from the queue
679	>	*/
680	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
681	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
682	>	List<ScheduledFuture> tasks = new ArrayList<>();
683	>	for (int i = 0; i < 3; i++) {
684	>	Runnable r = new NoOpRunnable();
685	>	tasks.add(p.schedule(r, 9, SECONDS));
686	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
687	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
688	>	}
689	>	if (testImplementationDetails)
690	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
691	>	final List<Runnable> queuedTasks;
692	>	try {
693	>	queuedTasks = p.shutdownNow();
694	>	} catch (SecurityException ok) {
695	>	return; // Allowed in case test doesn't have privs
696	>	}
697	>	assertTrue(p.isShutdown());
698	>	assertTrue(p.getQueue().isEmpty());
699	>	if (testImplementationDetails)
700	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
701	>	assertEquals(tasks.size(), queuedTasks.size());
702	>	for (ScheduledFuture task : tasks) {
703	>	assertFalse(task.isDone());
704	>	assertFalse(task.isCancelled());
705	>	}
706	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
707	>	assertTrue(p.isTerminated());
708		}
709
710		/**
711	<	* In default setting, shutdown cancels periodic but not delayed
712	<	* tasks at shutdown
713	<	*/
714	<	public void testShutDown1() {
715	<	try {
716	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
717	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
718	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
719	<
720	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
721	<	for(int i = 0; i < 5; i++)
722	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
723	<	p1.shutdown();
724	<	BlockingQueue q = p1.getQueue();
725	<	for (Iterator it = q.iterator(); it.hasNext();) {
726	<	ScheduledFuture t = (ScheduledFuture)it.next();
727	<	assertFalse(t.isCancelled());
711	>	* By default, periodic tasks are cancelled at shutdown.
712	>	* By default, delayed tasks keep running after shutdown.
713	>	* Check that changing the default values work:
714	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
715	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
716	>	*/
717	>	public void testShutdown_cancellation() throws Exception {
718	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
719	>	for (Boolean policy : allBooleans)
720	>	{
721	>	final int poolSize = 2;
722	>	final ScheduledThreadPoolExecutor p
723	>	= new ScheduledThreadPoolExecutor(poolSize);
724	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
725	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
726	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
727	>	if (policy != null) {
728	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
729	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
730	>	p.setRemoveOnCancelPolicy(policy);
731	>	}
732	>	assertEquals(effectiveDelayedPolicy,
733	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
734	>	assertEquals(effectivePeriodicPolicy,
735	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
736	>	assertEquals(effectiveRemovePolicy,
737	>	p.getRemoveOnCancelPolicy());
738	>	// Strategy: Wedge the pool with poolSize "blocker" threads
739	>	final AtomicInteger ran = new AtomicInteger(0);
740	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
741	>	final CountDownLatch unblock = new CountDownLatch(1);
742	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
743	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
744	>	Runnable task = new CheckedRunnable() { public void realRun()
745	>	throws InterruptedException {
746	>	poolBlocked.countDown();
747	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
748	>	ran.getAndIncrement();
749	>	}};
750	>	List<Future<?>> blockers = new ArrayList<>();
751	>	List<Future<?>> periodics = new ArrayList<>();
752	>	List<Future<?>> delayeds = new ArrayList<>();
753	>	for (int i = 0; i < poolSize; i++)
754	>	blockers.add(p.submit(task));
755	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
756	>
757	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
758	>	1, 1, MILLISECONDS));
759	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
760	>	1, 1, MILLISECONDS));
761	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
762	>
763	>	assertTrue(p.getQueue().containsAll(periodics));
764	>	assertTrue(p.getQueue().containsAll(delayeds));
765	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
766	>	assertTrue(p.isShutdown());
767	>	assertFalse(p.isTerminated());
768	>	for (Future<?> periodic : periodics) {
769	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
770	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
771	>	}
772	>	for (Future<?> delayed : delayeds) {
773	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
774	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
775	>	}
776	>	if (testImplementationDetails) {
777	>	assertEquals(effectivePeriodicPolicy,
778	>	p.getQueue().containsAll(periodics));
779	>	assertEquals(effectiveDelayedPolicy,
780	>	p.getQueue().containsAll(delayeds));
781	>	}
782	>	// Release all pool threads
783	>	unblock.countDown();
784	>
785	>	for (Future<?> delayed : delayeds) {
786	>	if (effectiveDelayedPolicy) {
787	>	assertNull(delayed.get());
788		}
789	<	assertTrue(p1.isShutdown());
790	<	Thread.sleep(SMALL_DELAY_MS);
791	<	for (int i = 0; i < 5; ++i) {
792	<	assertTrue(tasks[i].isDone());
793	<	assertFalse(tasks[i].isCancelled());
789	>	}
790	>	if (effectivePeriodicPolicy) {
791	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
792	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
793	>	for (Future<?> periodic : periodics) {
794	>	assertTrue(periodic.cancel(false));
795	>	assertTrue(periodic.isCancelled());
796	>	assertTrue(periodic.isDone());
797		}
525	–
798		}
799	<	catch(Exception ex) {
800	<	unexpectedException();
799	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
800	>	assertTrue(p.isTerminated());
801	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
802	>	}}
803	>
804	>	/**
805	>	* completed submit of callable returns result
806	>	*/
807	>	public void testSubmitCallable() throws Exception {
808	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
809	>	try (PoolCleaner cleaner = cleaner(e)) {
810	>	Future<String> future = e.submit(new StringTask());
811	>	String result = future.get();
812	>	assertSame(TEST_STRING, result);
813		}
814		}
815
532	–
816		/**
817	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
535	<	* delayed tasks are cancelled at shutdown
817	>	* completed submit of runnable returns successfully
818		*/
819	<	public void testShutDown2() {
820	<	try {
821	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
822	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
823	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
824	<	for(int i = 0; i < 5; i++)
543	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
544	<	p1.shutdown();
545	<	assertTrue(p1.isShutdown());
546	<	BlockingQueue q = p1.getQueue();
547	<	assertTrue(q.isEmpty());
548	<	Thread.sleep(SMALL_DELAY_MS);
549	<	assertTrue(p1.isTerminated());
550	<	}
551	<	catch(Exception ex) {
552	<	unexpectedException();
819	>	public void testSubmitRunnable() throws Exception {
820	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
821	>	try (PoolCleaner cleaner = cleaner(e)) {
822	>	Future<?> future = e.submit(new NoOpRunnable());
823	>	future.get();
824	>	assertTrue(future.isDone());
825		}
826		}
827
556	–
828		/**
829	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
559	<	* periodic tasks are not cancelled at shutdown
829	>	* completed submit of (runnable, result) returns result
830		*/
831	<	public void testShutDown3() {
832	<	try {
833	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
834	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
835	<	ScheduledFuture task =
836	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
567	<	p1.shutdown();
568	<	assertTrue(p1.isShutdown());
569	<	BlockingQueue q = p1.getQueue();
570	<	assertTrue(q.isEmpty());
571	<	Thread.sleep(SHORT_DELAY_MS);
572	<	assertTrue(p1.isTerminated());
573	<	}
574	<	catch(Exception ex) {
575	<	unexpectedException();
831	>	public void testSubmitRunnable2() throws Exception {
832	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
833	>	try (PoolCleaner cleaner = cleaner(e)) {
834	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
835	>	String result = future.get();
836	>	assertSame(TEST_STRING, result);
837		}
838		}
839
840		/**
841	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
581	<	* periodic tasks are cancelled at shutdown
841	>	* invokeAny(null) throws NPE
842		*/
843	<	public void testShutDown4() {
844	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
845	<	try {
846	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
847	<	ScheduledFuture task =
848	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
849	<	assertFalse(task.isCancelled());
590	<	p1.shutdown();
591	<	assertFalse(task.isCancelled());
592	<	assertFalse(p1.isTerminated());
593	<	assertTrue(p1.isShutdown());
594	<	Thread.sleep(SHORT_DELAY_MS);
595	<	assertFalse(task.isCancelled());
596	<	task.cancel(true);
597	<	assertTrue(task.isCancelled());
598	<	Thread.sleep(SHORT_DELAY_MS);
599	<	assertTrue(p1.isTerminated());
600	<	}
601	<	catch(Exception ex) {
602	<	unexpectedException();
603	<	}
604	<	finally {
605	<	p1.shutdownNow();
843	>	public void testInvokeAny1() throws Exception {
844	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
845	>	try (PoolCleaner cleaner = cleaner(e)) {
846	>	try {
847	>	e.invokeAny(null);
848	>	shouldThrow();
849	>	} catch (NullPointerException success) {}
850		}
851		}
852
853		/**
854	<	* completed submit of callable returns result
854	>	* invokeAny(empty collection) throws IAE
855		*/
856	<	public void testSubmitCallable() {
857	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
858	<	try {
859	<	Future<String> future = e.submit(new StringTask());
860	<	String result = future.get();
861	<	assertSame(TEST_STRING, result);
862	<	}
619	<	catch (ExecutionException ex) {
620	<	unexpectedException();
621	<	}
622	<	catch (InterruptedException ex) {
623	<	unexpectedException();
624	<	} finally {
625	<	joinPool(e);
856	>	public void testInvokeAny2() throws Exception {
857	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
858	>	try (PoolCleaner cleaner = cleaner(e)) {
859	>	try {
860	>	e.invokeAny(new ArrayList<Callable<String>>());
861	>	shouldThrow();
862	>	} catch (IllegalArgumentException success) {}
863		}
864		}
865
866		/**
867	<	* completed submit of runnable returns successfully
867	>	* invokeAny(c) throws NPE if c has null elements
868		*/
869	<	public void testSubmitRunnable() {
870	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
871	<	try {
872	<	Future<?> future = e.submit(new NoOpRunnable());
873	<	future.get();
874	<	assertTrue(future.isDone());
875	<	}
876	<	catch (ExecutionException ex) {
877	<	unexpectedException();
869	>	public void testInvokeAny3() throws Exception {
870	>	CountDownLatch latch = new CountDownLatch(1);
871	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
872	>	try (PoolCleaner cleaner = cleaner(e)) {
873	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
874	>	l.add(latchAwaitingStringTask(latch));
875	>	l.add(null);
876	>	try {
877	>	e.invokeAny(l);
878	>	shouldThrow();
879	>	} catch (NullPointerException success) {}
880	>	latch.countDown();
881		}
882	<	catch (InterruptedException ex) {
883	<	unexpectedException();
884	<	} finally {
885	<	joinPool(e);
882	>	}
883	>
884	>	/**
885	>	* invokeAny(c) throws ExecutionException if no task completes
886	>	*/
887	>	public void testInvokeAny4() throws Exception {
888	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
889	>	try (PoolCleaner cleaner = cleaner(e)) {
890	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
891	>	l.add(new NPETask());
892	>	try {
893	>	e.invokeAny(l);
894	>	shouldThrow();
895	>	} catch (ExecutionException success) {
896	>	assertTrue(success.getCause() instanceof NullPointerException);
897	>	}
898		}
899		}
900
901		/**
902	<	* completed submit of (runnable, result) returns result
902	>	* invokeAny(c) returns result of some task
903		*/
904	<	public void testSubmitRunnable2() {
905	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
906	<	try {
907	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
908	<	String result = future.get();
904	>	public void testInvokeAny5() throws Exception {
905	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
906	>	try (PoolCleaner cleaner = cleaner(e)) {
907	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
908	>	l.add(new StringTask());
909	>	l.add(new StringTask());
910	>	String result = e.invokeAny(l);
911		assertSame(TEST_STRING, result);
912		}
913	<	catch (ExecutionException ex) {
914	<	unexpectedException();
913	>	}
914	>
915	>	/**
916	>	* invokeAll(null) throws NPE
917	>	*/
918	>	public void testInvokeAll1() throws Exception {
919	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
920	>	try (PoolCleaner cleaner = cleaner(e)) {
921	>	try {
922	>	e.invokeAll(null);
923	>	shouldThrow();
924	>	} catch (NullPointerException success) {}
925		}
926	<	catch (InterruptedException ex) {
927	<	unexpectedException();
928	<	} finally {
929	<	joinPool(e);
926	>	}
927	>
928	>	/**
929	>	* invokeAll(empty collection) returns empty collection
930	>	*/
931	>	public void testInvokeAll2() throws Exception {
932	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
933	>	try (PoolCleaner cleaner = cleaner(e)) {
934	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
935	>	assertTrue(r.isEmpty());
936		}
937		}
938
939	+	/**
940	+	* invokeAll(c) throws NPE if c has null elements
941	+	*/
942	+	public void testInvokeAll3() throws Exception {
943	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
944	+	try (PoolCleaner cleaner = cleaner(e)) {
945	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
946	+	l.add(new StringTask());
947	+	l.add(null);
948	+	try {
949	+	e.invokeAll(l);
950	+	shouldThrow();
951	+	} catch (NullPointerException success) {}
952	+	}
953	+	}
954
955	+	/**
956	+	* get of invokeAll(c) throws exception on failed task
957	+	*/
958	+	public void testInvokeAll4() throws Exception {
959	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
960	+	try (PoolCleaner cleaner = cleaner(e)) {
961	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
962	+	l.add(new NPETask());
963	+	List<Future<String>> futures = e.invokeAll(l);
964	+	assertEquals(1, futures.size());
965	+	try {
966	+	futures.get(0).get();
967	+	shouldThrow();
968	+	} catch (ExecutionException success) {
969	+	assertTrue(success.getCause() instanceof NullPointerException);
970	+	}
971	+	}
972	+	}
973
974	+	/**
975	+	* invokeAll(c) returns results of all completed tasks
976	+	*/
977	+	public void testInvokeAll5() throws Exception {
978	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
979	+	try (PoolCleaner cleaner = cleaner(e)) {
980	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
981	+	l.add(new StringTask());
982	+	l.add(new StringTask());
983	+	List<Future<String>> futures = e.invokeAll(l);
984	+	assertEquals(2, futures.size());
985	+	for (Future<String> future : futures)
986	+	assertSame(TEST_STRING, future.get());
987	+	}
988	+	}
989
990	+	/**
991	+	* timed invokeAny(null) throws NPE
992	+	*/
993	+	public void testTimedInvokeAny1() throws Exception {
994	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
995	+	try (PoolCleaner cleaner = cleaner(e)) {
996	+	try {
997	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
998	+	shouldThrow();
999	+	} catch (NullPointerException success) {}
1000	+	}
1001	+	}
1002
1003		/**
1004	<	* invokeAny(null) throws NPE
1004	>	* timed invokeAny(,,null) throws NPE
1005		*/
1006	<	public void testInvokeAny1() {
1007	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1008	<	try {
1009	<	e.invokeAny(null);
1010	<	} catch (NullPointerException success) {
1011	<	} catch(Exception ex) {
1012	<	unexpectedException();
1013	<	} finally {
1014	<	joinPool(e);
1006	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1007	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1008	>	try (PoolCleaner cleaner = cleaner(e)) {
1009	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1010	>	l.add(new StringTask());
1011	>	try {
1012	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1013	>	shouldThrow();
1014	>	} catch (NullPointerException success) {}
1015		}
1016		}
1017
1018		/**
1019	<	* invokeAny(empty collection) throws IAE
1019	>	* timed invokeAny(empty collection) throws IAE
1020		*/
1021	<	public void testInvokeAny2() {
1022	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1023	<	try {
1024	<	e.invokeAny(new ArrayList<Callable<String>>());
1025	<	} catch (IllegalArgumentException success) {
1026	<	} catch(Exception ex) {
1027	<	unexpectedException();
698	<	} finally {
699	<	joinPool(e);
1021	>	public void testTimedInvokeAny2() throws Exception {
1022	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1023	>	try (PoolCleaner cleaner = cleaner(e)) {
1024	>	try {
1025	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1026	>	shouldThrow();
1027	>	} catch (IllegalArgumentException success) {}
1028		}
1029		}
1030
1031		/**
1032	<	* invokeAny(c) throws NPE if c has null elements
1032	>	* timed invokeAny(c) throws NPE if c has null elements
1033		*/
1034	<	public void testInvokeAny3() {
1035	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1036	<	try {
1037	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1038	<	l.add(new StringTask());
1034	>	public void testTimedInvokeAny3() throws Exception {
1035	>	CountDownLatch latch = new CountDownLatch(1);
1036	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1037	>	try (PoolCleaner cleaner = cleaner(e)) {
1038	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1039	>	l.add(latchAwaitingStringTask(latch));
1040		l.add(null);
1041	<	e.invokeAny(l);
1042	<	} catch (NullPointerException success) {
1043	<	} catch(Exception ex) {
1044	<	unexpectedException();
1045	<	} finally {
717	<	joinPool(e);
1041	>	try {
1042	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1043	>	shouldThrow();
1044	>	} catch (NullPointerException success) {}
1045	>	latch.countDown();
1046		}
1047		}
1048
1049		/**
1050	<	* invokeAny(c) throws ExecutionException if no task completes
1050	>	* timed invokeAny(c) throws ExecutionException if no task completes
1051		*/
1052	<	public void testInvokeAny4() {
1053	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1054	<	try {
1055	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1052	>	public void testTimedInvokeAny4() throws Exception {
1053	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1054	>	try (PoolCleaner cleaner = cleaner(e)) {
1055	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1056		l.add(new NPETask());
1057	<	e.invokeAny(l);
1058	<	} catch (ExecutionException success) {
1059	<	} catch(Exception ex) {
1060	<	unexpectedException();
1061	<	} finally {
1062	<	joinPool(e);
1057	>	try {
1058	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1059	>	shouldThrow();
1060	>	} catch (ExecutionException success) {
1061	>	assertTrue(success.getCause() instanceof NullPointerException);
1062	>	}
1063		}
1064		}
1065
1066		/**
1067	<	* invokeAny(c) returns result of some task
1067	>	* timed invokeAny(c) returns result of some task
1068		*/
1069	<	public void testInvokeAny5() {
1070	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1071	<	try {
1072	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1069	>	public void testTimedInvokeAny5() throws Exception {
1070	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1071	>	try (PoolCleaner cleaner = cleaner(e)) {
1072	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1073		l.add(new StringTask());
1074		l.add(new StringTask());
1075	<	String result = e.invokeAny(l);
1075	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1076		assertSame(TEST_STRING, result);
749	–	} catch (ExecutionException success) {
750	–	} catch(Exception ex) {
751	–	unexpectedException();
752	–	} finally {
753	–	joinPool(e);
1077		}
1078		}
1079
1080		/**
1081	<	* invokeAll(null) throws NPE
1081	>	* timed invokeAll(null) throws NPE
1082		*/
1083	<	public void testInvokeAll1() {
1084	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1085	<	try {
1086	<	e.invokeAll(null);
1087	<	} catch (NullPointerException success) {
1088	<	} catch(Exception ex) {
1089	<	unexpectedException();
767	<	} finally {
768	<	joinPool(e);
1083	>	public void testTimedInvokeAll1() throws Exception {
1084	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1085	>	try (PoolCleaner cleaner = cleaner(e)) {
1086	>	try {
1087	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1088	>	shouldThrow();
1089	>	} catch (NullPointerException success) {}
1090		}
1091		}
1092
1093		/**
1094	<	* invokeAll(empty collection) returns empty collection
1094	>	* timed invokeAll(,,null) throws NPE
1095		*/
1096	<	public void testInvokeAll2() {
1097	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1098	<	try {
1099	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1096	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1097	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1098	>	try (PoolCleaner cleaner = cleaner(e)) {
1099	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1100	>	l.add(new StringTask());
1101	>	try {
1102	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1103	>	shouldThrow();
1104	>	} catch (NullPointerException success) {}
1105	>	}
1106	>	}
1107	>
1108	>	/**
1109	>	* timed invokeAll(empty collection) returns empty collection
1110	>	*/
1111	>	public void testTimedInvokeAll2() throws Exception {
1112	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1113	>	try (PoolCleaner cleaner = cleaner(e)) {
1114	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1115	>	MEDIUM_DELAY_MS, MILLISECONDS);
1116		assertTrue(r.isEmpty());
780	–	} catch(Exception ex) {
781	–	unexpectedException();
782	–	} finally {
783	–	joinPool(e);
1117		}
1118		}
1119
1120		/**
1121	<	* invokeAll(c) throws NPE if c has null elements
1121	>	* timed invokeAll(c) throws NPE if c has null elements
1122		*/
1123	<	public void testInvokeAll3() {
1124	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1125	<	try {
1126	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1123	>	public void testTimedInvokeAll3() throws Exception {
1124	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1125	>	try (PoolCleaner cleaner = cleaner(e)) {
1126	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1127		l.add(new StringTask());
1128		l.add(null);
1129	<	e.invokeAll(l);
1130	<	} catch (NullPointerException success) {
1131	<	} catch(Exception ex) {
1132	<	unexpectedException();
800	<	} finally {
801	<	joinPool(e);
1129	>	try {
1130	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1131	>	shouldThrow();
1132	>	} catch (NullPointerException success) {}
1133		}
1134		}
1135
1136		/**
1137	<	* get of invokeAll(c) throws exception on failed task
1137	>	* get of element of invokeAll(c) throws exception on failed task
1138		*/
1139	<	public void testInvokeAll4() {
1140	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1141	<	try {
1142	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1139	>	public void testTimedInvokeAll4() throws Exception {
1140	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1141	>	try (PoolCleaner cleaner = cleaner(e)) {
1142	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1143		l.add(new NPETask());
1144	<	List<Future<String>> result = e.invokeAll(l);
1145	<	assertEquals(1, result.size());
1146	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1147	<	it.next().get();
1148	<	} catch(ExecutionException success) {
1149	<	} catch(Exception ex) {
1150	<	unexpectedException();
1151	<	} finally {
1152	<	joinPool(e);
1144	>	List<Future<String>> futures =
1145	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1146	>	assertEquals(1, futures.size());
1147	>	try {
1148	>	futures.get(0).get();
1149	>	shouldThrow();
1150	>	} catch (ExecutionException success) {
1151	>	assertTrue(success.getCause() instanceof NullPointerException);
1152	>	}
1153		}
1154		}
1155
1156		/**
1157	<	* invokeAll(c) returns results of all completed tasks
1157	>	* timed invokeAll(c) returns results of all completed tasks
1158		*/
1159	<	public void testInvokeAll5() {
1160	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1161	<	try {
1162	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1159	>	public void testTimedInvokeAll5() throws Exception {
1160	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1161	>	try (PoolCleaner cleaner = cleaner(e)) {
1162	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1163		l.add(new StringTask());
1164		l.add(new StringTask());
1165	<	List<Future<String>> result = e.invokeAll(l);
1166	<	assertEquals(2, result.size());
1167	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1168	<	assertSame(TEST_STRING, it.next().get());
1169	<	} catch (ExecutionException success) {
839	<	} catch(Exception ex) {
840	<	unexpectedException();
841	<	} finally {
842	<	joinPool(e);
1165	>	List<Future<String>> futures =
1166	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1167	>	assertEquals(2, futures.size());
1168	>	for (Future<String> future : futures)
1169	>	assertSame(TEST_STRING, future.get());
1170		}
1171		}
1172
1173	+	/**
1174	+	* timed invokeAll(c) cancels tasks not completed by timeout
1175	+	*/
1176	+	public void testTimedInvokeAll6() throws Exception {
1177	+	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1178	+	try (PoolCleaner cleaner = cleaner(e)) {
1179	+	for (long timeout = timeoutMillis();;) {
1180	+	List<Callable<String>> tasks = new ArrayList<>();
1181	+	tasks.add(new StringTask("0"));
1182	+	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1183	+	tasks.add(new StringTask("2"));
1184	+	long startTime = System.nanoTime();
1185	+	List<Future<String>> futures =
1186	+	e.invokeAll(tasks, timeout, MILLISECONDS);
1187	+	assertEquals(tasks.size(), futures.size());
1188	+	assertTrue(millisElapsedSince(startTime) >= timeout);
1189	+	for (Future future : futures)
1190	+	assertTrue(future.isDone());
1191	+	assertTrue(futures.get(1).isCancelled());
1192	+	try {
1193	+	assertEquals("0", futures.get(0).get());
1194	+	assertEquals("2", futures.get(2).get());
1195	+	break;
1196	+	} catch (CancellationException retryWithLongerTimeout) {
1197	+	timeout *= 2;
1198	+	if (timeout >= LONG_DELAY_MS / 2)
1199	+	fail("expected exactly one task to be cancelled");
1200	+	}
1201	+	}
1202	+	}
1203	+	}
1204
1205		}

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