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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.18 by dl, Wed Jan 21 01:47:07 2004 UTC vs.
Revision 1.62 by jsr166, Sun Oct 4 08:07:31 2015 UTC

#	Line 1 | Line 1
1		/*
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/licenses/publicdomain
5	<	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	<	* Pat Fisher, Mike Judd.
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.*;
12	<	import java.util.concurrent.atomic.*;
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
22	–
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	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
34	<	try {
35	<	Thread.sleep(MEDIUM_DELAY_MS);
36	<	} catch(InterruptedException e){
37	<	unexpectedException();
38	<	}
39	<	assertTrue(runnable.done);
40	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
41	<	joinPool(p1);
42	<	}
43	<	catch(Exception e){
44	<	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		}
46	–
53		}
54
49	–
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	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
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	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
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	<	joinPool(p1);
109	<	} catch(Exception e){
110	<	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
108	–	static class RunnableCounter implements Runnable {
109	–	AtomicInteger count = new AtomicInteger(0);
110	–	public void run() { count.getAndIncrement(); }
111	–	}
112	–
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	<	joinPool(p1);
131	<	} catch(Exception e){
132	<	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		* scheduleAtFixedRate executes series of tasks at given rate
147		*/
148	<	public void testFixedRateSequence() {
149	<	try {
150	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
151	<	RunnableCounter counter = new RunnableCounter();
152	<	ScheduledFuture h =
153	<	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
154	<	Thread.sleep(SMALL_DELAY_MS);
155	<	h.cancel(true);
156	<	int c = counter.count.get();
157	<	// By time scaling conventions, we must have at least
158	<	// an execution per SHORT delay, but no more than one SHORT more
159	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
160	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
161	<	assertTrue(h.isDone());
162	<	joinPool(p1);
163	<	} catch(Exception e){
164	<	unexpectedException();
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 testFixedDelaySequence() {
175	<	try {
176	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
177	<	RunnableCounter counter = new RunnableCounter();
178	<	ScheduledFuture h =
179	<	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
180	<	Thread.sleep(SMALL_DELAY_MS);
181	<	h.cancel(true);
182	<	int c = counter.count.get();
183	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
184	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
185	<	assertTrue(h.isDone());
186	<	joinPool(p1);
187	<	} catch(Exception e){
188	<	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		}
195		}
196
175	–
197		/**
198	<	*  execute (null) throws NPE
198	>	* execute(null) throws NPE
199		*/
200	<	public void testExecuteNull() {
201	<	ScheduledThreadPoolExecutor se = null;
202	<	try {
203	<	se = new ScheduledThreadPoolExecutor(1);
204	<	se.execute(null);
205	<	shouldThrow();
206	<	} catch(NullPointerException success){}
186	<	catch(Exception e){
187	<	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		}
189	–
190	–	joinPool(se);
208		}
209
210		/**
211	<	* schedule (null) throws NPE
211	>	* schedule(null) throws NPE
212		*/
213	<	public void testScheduleNull() {
214	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
215	<	try {
216	<	TrackedCallable callable = null;
217	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
218	<	shouldThrow();
219	<	} catch(NullPointerException success){}
220	<	catch(Exception e){
204	<	unexpectedException();
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		}
206	–	joinPool(se);
222		}
223	<
223	>
224		/**
225		* execute throws RejectedExecutionException if shutdown
226		*/
227	<	public void testSchedule1_RejectedExecutionException() {
228	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
229	<	try {
230	<	se.shutdown();
231	<	se.schedule(new NoOpRunnable(),
232	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
233	<	shouldThrow();
234	<	} catch(RejectedExecutionException success){
235	<	} catch (SecurityException ok) {
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		}
222	–
223	–	joinPool(se);
224	–
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){
251	<	} catch (SecurityException ok) {
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		}
240	–	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	<	} catch (SecurityException ok) {
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		}
256	–	joinPool(se);
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	<	} catch (SecurityException ok) {
284	<	}
285	<	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	<	} catch (SecurityException ok) {
300	<	}
301	<	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,
310	<	*   when tasks complete
311	<	*/
312	<	public void testGetCompletedTaskCount() {
313	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
314	<	assertEquals(0, p2.getCompletedTaskCount());
315	<	p2.execute(new SmallRunnable());
316	<	try {
317	<	Thread.sleep(MEDIUM_DELAY_MS);
318	<	} catch(Exception e){
319	<	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		}
321	–	assertEquals(1, p2.getCompletedTaskCount());
322	–	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
336	<	*   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 ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
420	>	try (PoolCleaner cleaner = cleaner(p)) {
421	>	final CountDownLatch threadStarted = new CountDownLatch(1);
422	>	final CountDownLatch done = new CountDownLatch(1);
423	>	final int TASKS = 5;
424	>	assertEquals(0, p.getTaskCount());
425	>	for (int i = 0; i < TASKS; i++)
426	>	p.execute(new CheckedRunnable() {
427	>	public void realRun() throws InterruptedException {
428	>	threadStarted.countDown();
429	>	done.await();
430	>	}});
431	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
432	>	assertEquals(TASKS, p.getTaskCount());
433	>	done.countDown();
434		}
378	–	assertEquals(5, p1.getTaskCount());
379	–	joinPool(p1);
435		}
436
437	<	/**
437	>	/**
438		* getThreadFactory returns factory in constructor if not set
439		*/
440	<	public void testGetThreadFactory() {
441	<	ThreadFactory tf = new SimpleThreadFactory();
442	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
443	<	assertSame(tf, p.getThreadFactory());
440	>	public void testGetThreadFactory() throws InterruptedException {
441	>	ThreadFactory threadFactory = new SimpleThreadFactory();
442	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, threadFactory);
443	>	assertSame(threadFactory, p.getThreadFactory());
444		joinPool(p);
445		}
446
447	<	/**
447	>	/**
448		* setThreadFactory sets the thread factory returned by getThreadFactory
449		*/
450	<	public void testSetThreadFactory() {
451	<	ThreadFactory tf = new SimpleThreadFactory();
452	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
453	<	p.setThreadFactory(tf);
454	<	assertSame(tf, p.getThreadFactory());
455	<	joinPool(p);
450	>	public void testSetThreadFactory() throws InterruptedException {
451	>	ThreadFactory threadFactory = new SimpleThreadFactory();
452	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
453	>	try (PoolCleaner cleaner = cleaner(p)) {
454	>	p.setThreadFactory(threadFactory);
455	>	assertSame(threadFactory, p.getThreadFactory());
456	>	}
457		}
458
459	<	/**
459	>	/**
460		* setThreadFactory(null) throws NPE
461		*/
462	<	public void testSetThreadFactoryNull() {
463	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
464	<	try {
465	<	p.setThreadFactory(null);
466	<	shouldThrow();
467	<	} catch (NullPointerException success) {
468	<	} finally {
413	<	joinPool(p);
462	>	public void testSetThreadFactoryNull() throws InterruptedException {
463	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
464	>	try (PoolCleaner cleaner = cleaner(p)) {
465	>	try {
466	>	p.setThreadFactory(null);
467	>	shouldThrow();
468	>	} catch (NullPointerException success) {}
469		}
470		}
471	<
471	>
472		/**
473	<	*   is isShutDown is false before shutdown, true after
473	>	* isShutdown is false before shutdown, true after
474		*/
475		public void testIsShutdown() {
476	<
477	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
476	>
477	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
478		try {
479	<	assertFalse(p1.isShutdown());
479	>	assertFalse(p.isShutdown());
480		}
481		finally {
482	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
482	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
483		}
484	<	assertTrue(p1.isShutdown());
484	>	assertTrue(p.isShutdown());
485		}
486
432	–
487		/**
488	<	*   isTerminated is false before termination, true after
488	>	* isTerminated is false before termination, true after
489		*/
490	<	public void testIsTerminated() {
491	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
492	<	try {
493	<	p1.execute(new SmallRunnable());
494	<	} finally {
495	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
490	>	public void testIsTerminated() throws InterruptedException {
491	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
492	>	try (PoolCleaner cleaner = cleaner(p)) {
493	>	final CountDownLatch threadStarted = new CountDownLatch(1);
494	>	final CountDownLatch done = new CountDownLatch(1);
495	>	assertFalse(p.isTerminated());
496	>	p.execute(new CheckedRunnable() {
497	>	public void realRun() throws InterruptedException {
498	>	assertFalse(p.isTerminated());
499	>	threadStarted.countDown();
500	>	done.await();
501	>	}});
502	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
503	>	assertFalse(p.isTerminating());
504	>	done.countDown();
505	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
506	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
507	>	assertTrue(p.isTerminated());
508		}
443	–	try {
444	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
445	–	assertTrue(p1.isTerminated());
446	–	} catch(Exception e){
447	–	unexpectedException();
448	–	}
509		}
510
511		/**
512	<	*  isTerminating is not true when running or when terminated
513	<	*/
514	<	public void testIsTerminating() {
515	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
516	<	assertFalse(p1.isTerminating());
517	<	try {
518	<	p1.execute(new SmallRunnable());
519	<	assertFalse(p1.isTerminating());
520	<	} finally {
521	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
512	>	* isTerminating is not true when running or when terminated
513	>	*/
514	>	public void testIsTerminating() throws InterruptedException {
515	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
516	>	final CountDownLatch threadStarted = new CountDownLatch(1);
517	>	final CountDownLatch done = new CountDownLatch(1);
518	>	try (PoolCleaner cleaner = cleaner(p)) {
519	>	assertFalse(p.isTerminating());
520	>	p.execute(new CheckedRunnable() {
521	>	public void realRun() throws InterruptedException {
522	>	assertFalse(p.isTerminating());
523	>	threadStarted.countDown();
524	>	done.await();
525	>	}});
526	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
527	>	assertFalse(p.isTerminating());
528	>	done.countDown();
529	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
530	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
531	>	assertTrue(p.isTerminated());
532	>	assertFalse(p.isTerminating());
533		}
463	–	try {
464	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
465	–	assertTrue(p1.isTerminated());
466	–	assertFalse(p1.isTerminating());
467	–	} catch(Exception e){
468	–	unexpectedException();
469	–	}
534		}
535
536		/**
537		* getQueue returns the work queue, which contains queued tasks
538		*/
539	<	public void testGetQueue() {
540	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
541	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
542	<	for(int i = 0; i < 5; i++){
543	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
544	<	}
545	<	try {
546	<	Thread.sleep(SHORT_DELAY_MS);
547	<	BlockingQueue<Runnable> q = p1.getQueue();
548	<	assertTrue(q.contains(tasks[4]));
539	>	public void testGetQueue() throws InterruptedException {
540	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
541	>	try (PoolCleaner cleaner = cleaner(p)) {
542	>	final CountDownLatch threadStarted = new CountDownLatch(1);
543	>	final CountDownLatch done = new CountDownLatch(1);
544	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
545	>	for (int i = 0; i < tasks.length; i++) {
546	>	Runnable r = new CheckedRunnable() {
547	>	public void realRun() throws InterruptedException {
548	>	threadStarted.countDown();
549	>	done.await();
550	>	}};
551	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
552	>	}
553	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
554	>	BlockingQueue<Runnable> q = p.getQueue();
555	>	assertTrue(q.contains(tasks[tasks.length - 1]));
556		assertFalse(q.contains(tasks[0]));
557	<	} catch(Exception e) {
487	<	unexpectedException();
488	<	} finally {
489	<	joinPool(p1);
557	>	done.countDown();
558		}
559		}
560
561		/**
562		* remove(task) removes queued task, and fails to remove active task
563		*/
564	<	public void testRemove() {
565	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
566	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
567	<	for(int i = 0; i < 5; i++){
568	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
569	<	}
570	<	try {
571	<	Thread.sleep(SHORT_DELAY_MS);
572	<	BlockingQueue<Runnable> q = p1.getQueue();
573	<	assertFalse(p1.remove((Runnable)tasks[0]));
564	>	public void testRemove() throws InterruptedException {
565	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
566	>	try (PoolCleaner cleaner = cleaner(p)) {
567	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
568	>	final CountDownLatch threadStarted = new CountDownLatch(1);
569	>	final CountDownLatch done = new CountDownLatch(1);
570	>	for (int i = 0; i < tasks.length; i++) {
571	>	Runnable r = new CheckedRunnable() {
572	>	public void realRun() throws InterruptedException {
573	>	threadStarted.countDown();
574	>	done.await();
575	>	}};
576	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
577	>	}
578	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
579	>	BlockingQueue<Runnable> q = p.getQueue();
580	>	assertFalse(p.remove((Runnable)tasks[0]));
581		assertTrue(q.contains((Runnable)tasks[4]));
582		assertTrue(q.contains((Runnable)tasks[3]));
583	<	assertTrue(p1.remove((Runnable)tasks[4]));
584	<	assertFalse(p1.remove((Runnable)tasks[4]));
583	>	assertTrue(p.remove((Runnable)tasks[4]));
584	>	assertFalse(p.remove((Runnable)tasks[4]));
585		assertFalse(q.contains((Runnable)tasks[4]));
586		assertTrue(q.contains((Runnable)tasks[3]));
587	<	assertTrue(p1.remove((Runnable)tasks[3]));
587	>	assertTrue(p.remove((Runnable)tasks[3]));
588		assertFalse(q.contains((Runnable)tasks[3]));
589	<	} catch(Exception e) {
515	<	unexpectedException();
516	<	} finally {
517	<	joinPool(p1);
589	>	done.countDown();
590		}
591		}
592
593		/**
594	<	*  purge removes cancelled tasks from the queue
594	>	* purge eventually removes cancelled tasks from the queue
595		*/
596	<	public void testPurge() {
597	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
596	>	public void testPurge() throws InterruptedException {
597	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
598		ScheduledFuture[] tasks = new ScheduledFuture[5];
599	<	for(int i = 0; i < 5; i++){
600	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
601	<	}
602	<	int max = 5;
603	<	if (tasks[4].cancel(true)) --max;
604	<	if (tasks[3].cancel(true)) --max;
605	<	p1.purge();
606	<	long count = p1.getTaskCount();
607	<	assertTrue(count > 0 && count <= max);
608	<	joinPool(p1);
609	<	}
610	<
611	<	/**
612	<	*  shutDownNow returns a list containing tasks that were not run
613	<	*/
614	<	public void testShutDownNow() {
615	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
616	<	for(int i = 0; i < 5; i++)
617	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
618	<	List l;
619	<	try {
548	<	l = p1.shutdownNow();
549	<	} catch (SecurityException ok) {
550	<	return;
551	<	}
552	<	assertTrue(p1.isShutdown());
553	<	assertTrue(l.size() > 0 && l.size() <= 5);
554	<	joinPool(p1);
555	<	}
556	<
557	<	/**
558	<	* In default setting, shutdown cancels periodic but not delayed
559	<	* tasks at shutdown
560	<	*/
561	<	public void testShutDown1() {
562	<	try {
563	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
564	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
565	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
566	<
567	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
568	<	for(int i = 0; i < 5; i++)
569	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
570	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
571	<	BlockingQueue q = p1.getQueue();
572	<	for (Iterator it = q.iterator(); it.hasNext();) {
573	<	ScheduledFuture t = (ScheduledFuture)it.next();
574	<	assertFalse(t.isCancelled());
575	<	}
576	<	assertTrue(p1.isShutdown());
577	<	Thread.sleep(SMALL_DELAY_MS);
578	<	for (int i = 0; i < 5; ++i) {
579	<	assertTrue(tasks[i].isDone());
580	<	assertFalse(tasks[i].isCancelled());
581	<	}
582	<
583	<	}
584	<	catch(Exception ex) {
585	<	unexpectedException();
599	>	for (int i = 0; i < tasks.length; i++)
600	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
601	>	LONG_DELAY_MS, MILLISECONDS);
602	>	try {
603	>	int max = tasks.length;
604	>	if (tasks[4].cancel(true)) --max;
605	>	if (tasks[3].cancel(true)) --max;
606	>	// There must eventually be an interference-free point at
607	>	// which purge will not fail. (At worst, when queue is empty.)
608	>	long startTime = System.nanoTime();
609	>	do {
610	>	p.purge();
611	>	long count = p.getTaskCount();
612	>	if (count == max)
613	>	return;
614	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
615	>	fail("Purge failed to remove cancelled tasks");
616	>	} finally {
617	>	for (ScheduledFuture task : tasks)
618	>	task.cancel(true);
619	>	joinPool(p);
620		}
621		}
622
589	–
623		/**
624	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
625	<	* delayed tasks are cancelled at shutdown
624	>	* shutdownNow returns a list containing tasks that were not run,
625	>	* and those tasks are drained from the queue
626		*/
627	<	public void testShutDown2() {
627	>	public void testShutdownNow() throws InterruptedException {
628	>	final int poolSize = 2;
629	>	final int count = 5;
630	>	final AtomicInteger ran = new AtomicInteger(0);
631	>	final ScheduledThreadPoolExecutor p =
632	>	new ScheduledThreadPoolExecutor(poolSize);
633	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
634	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
635	>	threadsStarted.countDown();
636	>	try {
637	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
638	>	} catch (InterruptedException success) {}
639	>	ran.getAndIncrement();
640	>	}};
641	>	for (int i = 0; i < count; i++)
642	>	p.execute(waiter);
643	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
644	>	assertEquals(poolSize, p.getActiveCount());
645	>	assertEquals(0, p.getCompletedTaskCount());
646	>	final List<Runnable> queuedTasks;
647		try {
648	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
649	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
650	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
599	<	for(int i = 0; i < 5; i++)
600	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
601	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
602	<	assertTrue(p1.isShutdown());
603	<	BlockingQueue q = p1.getQueue();
604	<	assertTrue(q.isEmpty());
605	<	Thread.sleep(SMALL_DELAY_MS);
606	<	assertTrue(p1.isTerminated());
607	<	}
608	<	catch(Exception ex) {
609	<	unexpectedException();
648	>	queuedTasks = p.shutdownNow();
649	>	} catch (SecurityException ok) {
650	>	return; // Allowed in case test doesn't have privs
651		}
652	+	assertTrue(p.isShutdown());
653	+	assertTrue(p.getQueue().isEmpty());
654	+	assertEquals(count - poolSize, queuedTasks.size());
655	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
656	+	assertTrue(p.isTerminated());
657	+	assertEquals(poolSize, ran.get());
658	+	assertEquals(poolSize, p.getCompletedTaskCount());
659		}
660
613	–
661		/**
662	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
663	<	* periodic tasks are not cancelled at shutdown
664	<	*/
665	<	public void testShutDown3() {
662	>	* shutdownNow returns a list containing tasks that were not run,
663	>	* and those tasks are drained from the queue
664	>	*/
665	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
666	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
667	>	List<ScheduledFuture> tasks = new ArrayList<>();
668	>	for (int i = 0; i < 3; i++) {
669	>	Runnable r = new NoOpRunnable();
670	>	tasks.add(p.schedule(r, 9, SECONDS));
671	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
672	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
673	>	}
674	>	if (testImplementationDetails)
675	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
676	>	final List<Runnable> queuedTasks;
677		try {
678	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
679	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
680	<	ScheduledFuture task =
623	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
624	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
625	<	assertTrue(p1.isShutdown());
626	<	BlockingQueue q = p1.getQueue();
627	<	assertTrue(q.isEmpty());
628	<	Thread.sleep(SHORT_DELAY_MS);
629	<	assertTrue(p1.isTerminated());
678	>	queuedTasks = p.shutdownNow();
679	>	} catch (SecurityException ok) {
680	>	return; // Allowed in case test doesn't have privs
681		}
682	<	catch(Exception ex) {
683	<	unexpectedException();
682	>	assertTrue(p.isShutdown());
683	>	assertTrue(p.getQueue().isEmpty());
684	>	if (testImplementationDetails)
685	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
686	>	assertEquals(tasks.size(), queuedTasks.size());
687	>	for (ScheduledFuture task : tasks) {
688	>	assertFalse(task.isDone());
689	>	assertFalse(task.isCancelled());
690		}
691	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
692	+	assertTrue(p.isTerminated());
693		}
694
695		/**
696	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
697	<	* periodic tasks are cancelled at shutdown
698	<	*/
699	<	public void testShutDown4() {
700	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
701	<	try {
702	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
703	<	ScheduledFuture task =
704	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
705	<	assertFalse(task.isCancelled());
706	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
707	<	assertFalse(task.isCancelled());
708	<	assertFalse(p1.isTerminated());
709	<	assertTrue(p1.isShutdown());
710	<	Thread.sleep(SHORT_DELAY_MS);
711	<	assertFalse(task.isCancelled());
712	<	assertTrue(task.cancel(true));
713	<	assertTrue(task.isDone());
714	<	Thread.sleep(SHORT_DELAY_MS);
715	<	assertTrue(p1.isTerminated());
716	<	}
717	<	catch(Exception ex) {
718	<	unexpectedException();
696	>	* By default, periodic tasks are cancelled at shutdown.
697	>	* By default, delayed tasks keep running after shutdown.
698	>	* Check that changing the default values work:
699	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
700	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
701	>	*/
702	>	public void testShutdown_cancellation() throws Exception {
703	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
704	>	for (Boolean policy : allBooleans)
705	>	{
706	>	final int poolSize = 2;
707	>	final ScheduledThreadPoolExecutor p
708	>	= new ScheduledThreadPoolExecutor(poolSize);
709	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
710	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
711	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
712	>	if (policy != null) {
713	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
714	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
715	>	p.setRemoveOnCancelPolicy(policy);
716	>	}
717	>	assertEquals(effectiveDelayedPolicy,
718	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
719	>	assertEquals(effectivePeriodicPolicy,
720	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
721	>	assertEquals(effectiveRemovePolicy,
722	>	p.getRemoveOnCancelPolicy());
723	>	// Strategy: Wedge the pool with poolSize "blocker" threads
724	>	final AtomicInteger ran = new AtomicInteger(0);
725	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
726	>	final CountDownLatch unblock = new CountDownLatch(1);
727	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
728	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
729	>	Runnable task = new CheckedRunnable() { public void realRun()
730	>	throws InterruptedException {
731	>	poolBlocked.countDown();
732	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
733	>	ran.getAndIncrement();
734	>	}};
735	>	List<Future<?>> blockers = new ArrayList<>();
736	>	List<Future<?>> periodics = new ArrayList<>();
737	>	List<Future<?>> delayeds = new ArrayList<>();
738	>	for (int i = 0; i < poolSize; i++)
739	>	blockers.add(p.submit(task));
740	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
741	>
742	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
743	>	1, 1, MILLISECONDS));
744	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
745	>	1, 1, MILLISECONDS));
746	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
747	>
748	>	assertTrue(p.getQueue().containsAll(periodics));
749	>	assertTrue(p.getQueue().containsAll(delayeds));
750	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
751	>	assertTrue(p.isShutdown());
752	>	assertFalse(p.isTerminated());
753	>	for (Future<?> periodic : periodics) {
754	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
755	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
756	>	}
757	>	for (Future<?> delayed : delayeds) {
758	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
759	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
760	>	}
761	>	if (testImplementationDetails) {
762	>	assertEquals(effectivePeriodicPolicy,
763	>	p.getQueue().containsAll(periodics));
764	>	assertEquals(effectiveDelayedPolicy,
765	>	p.getQueue().containsAll(delayeds));
766	>	}
767	>	// Release all pool threads
768	>	unblock.countDown();
769	>
770	>	for (Future<?> delayed : delayeds) {
771	>	if (effectiveDelayedPolicy) {
772	>	assertNull(delayed.get());
773	>	}
774		}
775	<	finally {
776	<	joinPool(p1);
775	>	if (effectivePeriodicPolicy) {
776	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
777	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
778	>	for (Future<?> periodic : periodics) {
779	>	assertTrue(periodic.cancel(false));
780	>	assertTrue(periodic.isCancelled());
781	>	assertTrue(periodic.isDone());
782	>	}
783		}
784	<	}
784	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
785	>	assertTrue(p.isTerminated());
786	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
787	>	}}
788
789		/**
790		* completed submit of callable returns result
791		*/
792	<	public void testSubmitCallable() {
793	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
794	<	try {
792	>	public void testSubmitCallable() throws Exception {
793	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
794	>	try (PoolCleaner cleaner = cleaner(e)) {
795		Future<String> future = e.submit(new StringTask());
796		String result = future.get();
797		assertSame(TEST_STRING, result);
798		}
676	–	catch (ExecutionException ex) {
677	–	unexpectedException();
678	–	}
679	–	catch (InterruptedException ex) {
680	–	unexpectedException();
681	–	} finally {
682	–	joinPool(e);
683	–	}
799		}
800
801		/**
802		* completed submit of runnable returns successfully
803		*/
804	<	public void testSubmitRunnable() {
805	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
806	<	try {
804	>	public void testSubmitRunnable() throws Exception {
805	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
806	>	try (PoolCleaner cleaner = cleaner(e)) {
807		Future<?> future = e.submit(new NoOpRunnable());
808		future.get();
809		assertTrue(future.isDone());
810		}
696	–	catch (ExecutionException ex) {
697	–	unexpectedException();
698	–	}
699	–	catch (InterruptedException ex) {
700	–	unexpectedException();
701	–	} finally {
702	–	joinPool(e);
703	–	}
811		}
812
813		/**
814		* completed submit of (runnable, result) returns result
815		*/
816	<	public void testSubmitRunnable2() {
817	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
818	<	try {
816	>	public void testSubmitRunnable2() throws Exception {
817	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
818	>	try (PoolCleaner cleaner = cleaner(e)) {
819		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
820		String result = future.get();
821		assertSame(TEST_STRING, result);
822		}
716	–	catch (ExecutionException ex) {
717	–	unexpectedException();
718	–	}
719	–	catch (InterruptedException ex) {
720	–	unexpectedException();
721	–	} finally {
722	–	joinPool(e);
723	–	}
823		}
824
825		/**
826		* invokeAny(null) throws NPE
827		*/
828	<	public void testInvokeAny1() {
829	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
830	<	try {
831	<	e.invokeAny(null);
832	<	} catch (NullPointerException success) {
833	<	} catch(Exception ex) {
834	<	unexpectedException();
736	<	} finally {
737	<	joinPool(e);
828	>	public void testInvokeAny1() throws Exception {
829	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
830	>	try (PoolCleaner cleaner = cleaner(e)) {
831	>	try {
832	>	e.invokeAny(null);
833	>	shouldThrow();
834	>	} catch (NullPointerException success) {}
835		}
836		}
837
838		/**
839		* invokeAny(empty collection) throws IAE
840		*/
841	<	public void testInvokeAny2() {
842	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
843	<	try {
844	<	e.invokeAny(new ArrayList<Callable<String>>());
845	<	} catch (IllegalArgumentException success) {
846	<	} catch(Exception ex) {
847	<	unexpectedException();
751	<	} finally {
752	<	joinPool(e);
841	>	public void testInvokeAny2() throws Exception {
842	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
843	>	try (PoolCleaner cleaner = cleaner(e)) {
844	>	try {
845	>	e.invokeAny(new ArrayList<Callable<String>>());
846	>	shouldThrow();
847	>	} catch (IllegalArgumentException success) {}
848		}
849		}
850
851		/**
852		* invokeAny(c) throws NPE if c has null elements
853		*/
854	<	public void testInvokeAny3() {
855	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
856	<	try {
857	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
858	<	l.add(new StringTask());
854	>	public void testInvokeAny3() throws Exception {
855	>	CountDownLatch latch = new CountDownLatch(1);
856	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
857	>	try (PoolCleaner cleaner = cleaner(e)) {
858	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
859	>	l.add(latchAwaitingStringTask(latch));
860		l.add(null);
861	<	e.invokeAny(l);
862	<	} catch (NullPointerException success) {
863	<	} catch(Exception ex) {
864	<	unexpectedException();
865	<	} finally {
770	<	joinPool(e);
861	>	try {
862	>	e.invokeAny(l);
863	>	shouldThrow();
864	>	} catch (NullPointerException success) {}
865	>	latch.countDown();
866		}
867		}
868
869		/**
870		* invokeAny(c) throws ExecutionException if no task completes
871		*/
872	<	public void testInvokeAny4() {
873	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
874	<	try {
875	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
872	>	public void testInvokeAny4() throws Exception {
873	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
874	>	try (PoolCleaner cleaner = cleaner(e)) {
875	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
876		l.add(new NPETask());
877	<	e.invokeAny(l);
878	<	} catch (ExecutionException success) {
879	<	} catch(Exception ex) {
880	<	unexpectedException();
881	<	} finally {
882	<	joinPool(e);
877	>	try {
878	>	e.invokeAny(l);
879	>	shouldThrow();
880	>	} catch (ExecutionException success) {
881	>	assertTrue(success.getCause() instanceof NullPointerException);
882	>	}
883		}
884		}
885
886		/**
887		* invokeAny(c) returns result of some task
888		*/
889	<	public void testInvokeAny5() {
890	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
891	<	try {
892	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
889	>	public void testInvokeAny5() throws Exception {
890	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
891	>	try (PoolCleaner cleaner = cleaner(e)) {
892	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
893		l.add(new StringTask());
894		l.add(new StringTask());
895		String result = e.invokeAny(l);
896		assertSame(TEST_STRING, result);
802	–	} catch (ExecutionException success) {
803	–	} catch(Exception ex) {
804	–	unexpectedException();
805	–	} finally {
806	–	joinPool(e);
897		}
898		}
899
900		/**
901		* invokeAll(null) throws NPE
902		*/
903	<	public void testInvokeAll1() {
904	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
905	<	try {
906	<	e.invokeAll(null);
907	<	} catch (NullPointerException success) {
908	<	} catch(Exception ex) {
909	<	unexpectedException();
820	<	} finally {
821	<	joinPool(e);
903	>	public void testInvokeAll1() throws Exception {
904	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
905	>	try (PoolCleaner cleaner = cleaner(e)) {
906	>	try {
907	>	e.invokeAll(null);
908	>	shouldThrow();
909	>	} catch (NullPointerException success) {}
910		}
911		}
912
913		/**
914		* invokeAll(empty collection) returns empty collection
915		*/
916	<	public void testInvokeAll2() {
917	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
918	<	try {
916	>	public void testInvokeAll2() throws Exception {
917	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
918	>	try (PoolCleaner cleaner = cleaner(e)) {
919		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
920		assertTrue(r.isEmpty());
833	–	} catch(Exception ex) {
834	–	unexpectedException();
835	–	} finally {
836	–	joinPool(e);
921		}
922		}
923
924		/**
925		* invokeAll(c) throws NPE if c has null elements
926		*/
927	<	public void testInvokeAll3() {
928	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
929	<	try {
930	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
927	>	public void testInvokeAll3() throws Exception {
928	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
929	>	try (PoolCleaner cleaner = cleaner(e)) {
930	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
931		l.add(new StringTask());
932		l.add(null);
933	<	e.invokeAll(l);
934	<	} catch (NullPointerException success) {
935	<	} catch(Exception ex) {
936	<	unexpectedException();
853	<	} finally {
854	<	joinPool(e);
933	>	try {
934	>	e.invokeAll(l);
935	>	shouldThrow();
936	>	} catch (NullPointerException success) {}
937		}
938		}
939
940		/**
941		* get of invokeAll(c) throws exception on failed task
942		*/
943	<	public void testInvokeAll4() {
944	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
945	<	try {
946	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
943	>	public void testInvokeAll4() throws Exception {
944	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
945	>	try (PoolCleaner cleaner = cleaner(e)) {
946	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
947		l.add(new NPETask());
948	<	List<Future<String>> result = e.invokeAll(l);
949	<	assertEquals(1, result.size());
950	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
951	<	it.next().get();
952	<	} catch(ExecutionException success) {
953	<	} catch(Exception ex) {
954	<	unexpectedException();
955	<	} finally {
874	<	joinPool(e);
948	>	List<Future<String>> futures = e.invokeAll(l);
949	>	assertEquals(1, futures.size());
950	>	try {
951	>	futures.get(0).get();
952	>	shouldThrow();
953	>	} catch (ExecutionException success) {
954	>	assertTrue(success.getCause() instanceof NullPointerException);
955	>	}
956		}
957		}
958
959		/**
960		* invokeAll(c) returns results of all completed tasks
961		*/
962	<	public void testInvokeAll5() {
963	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
964	<	try {
965	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
962	>	public void testInvokeAll5() throws Exception {
963	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
964	>	try (PoolCleaner cleaner = cleaner(e)) {
965	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
966		l.add(new StringTask());
967		l.add(new StringTask());
968	<	List<Future<String>> result = e.invokeAll(l);
969	<	assertEquals(2, result.size());
970	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
971	<	assertSame(TEST_STRING, it.next().get());
891	<	} catch (ExecutionException success) {
892	<	} catch(Exception ex) {
893	<	unexpectedException();
894	<	} finally {
895	<	joinPool(e);
968	>	List<Future<String>> futures = e.invokeAll(l);
969	>	assertEquals(2, futures.size());
970	>	for (Future<String> future : futures)
971	>	assertSame(TEST_STRING, future.get());
972		}
973		}
974
975		/**
976		* timed invokeAny(null) throws NPE
977		*/
978	<	public void testTimedInvokeAny1() {
979	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
980	<	try {
981	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
982	<	} catch (NullPointerException success) {
983	<	} catch(Exception ex) {
984	<	unexpectedException();
909	<	} finally {
910	<	joinPool(e);
978	>	public void testTimedInvokeAny1() throws Exception {
979	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
980	>	try (PoolCleaner cleaner = cleaner(e)) {
981	>	try {
982	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
983	>	shouldThrow();
984	>	} catch (NullPointerException success) {}
985		}
986		}
987
988		/**
989		* timed invokeAny(,,null) throws NPE
990		*/
991	<	public void testTimedInvokeAnyNullTimeUnit() {
992	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
993	<	try {
994	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
991	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
992	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
993	>	try (PoolCleaner cleaner = cleaner(e)) {
994	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
995		l.add(new StringTask());
996	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
997	<	} catch (NullPointerException success) {
998	<	} catch(Exception ex) {
999	<	unexpectedException();
926	<	} finally {
927	<	joinPool(e);
996	>	try {
997	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
998	>	shouldThrow();
999	>	} catch (NullPointerException success) {}
1000		}
1001		}
1002
1003		/**
1004		* timed invokeAny(empty collection) throws IAE
1005		*/
1006	<	public void testTimedInvokeAny2() {
1007	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1008	<	try {
1009	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1010	<	} catch (IllegalArgumentException success) {
1011	<	} catch(Exception ex) {
1012	<	unexpectedException();
941	<	} finally {
942	<	joinPool(e);
1006	>	public void testTimedInvokeAny2() throws Exception {
1007	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1008	>	try (PoolCleaner cleaner = cleaner(e)) {
1009	>	try {
1010	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1011	>	shouldThrow();
1012	>	} catch (IllegalArgumentException success) {}
1013		}
1014		}
1015
1016		/**
1017		* timed invokeAny(c) throws NPE if c has null elements
1018		*/
1019	<	public void testTimedInvokeAny3() {
1020	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1021	<	try {
1022	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1023	<	l.add(new StringTask());
1019	>	public void testTimedInvokeAny3() throws Exception {
1020	>	CountDownLatch latch = new CountDownLatch(1);
1021	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1022	>	try (PoolCleaner cleaner = cleaner(e)) {
1023	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1024	>	l.add(latchAwaitingStringTask(latch));
1025		l.add(null);
1026	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1027	<	} catch (NullPointerException success) {
1028	<	} catch(Exception ex) {
1029	<	ex.printStackTrace();
1030	<	unexpectedException();
960	<	} finally {
961	<	joinPool(e);
1026	>	try {
1027	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1028	>	shouldThrow();
1029	>	} catch (NullPointerException success) {}
1030	>	latch.countDown();
1031		}
1032		}
1033
1034		/**
1035		* timed invokeAny(c) throws ExecutionException if no task completes
1036		*/
1037	<	public void testTimedInvokeAny4() {
1038	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1039	<	try {
1040	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1037	>	public void testTimedInvokeAny4() throws Exception {
1038	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1039	>	try (PoolCleaner cleaner = cleaner(e)) {
1040	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1041		l.add(new NPETask());
1042	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1043	<	} catch(ExecutionException success) {
1044	<	} catch(Exception ex) {
1045	<	unexpectedException();
1046	<	} finally {
1047	<	joinPool(e);
1042	>	try {
1043	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1044	>	shouldThrow();
1045	>	} catch (ExecutionException success) {
1046	>	assertTrue(success.getCause() instanceof NullPointerException);
1047	>	}
1048		}
1049		}
1050
1051		/**
1052		* timed invokeAny(c) returns result of some task
1053		*/
1054	<	public void testTimedInvokeAny5() {
1055	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	<	try {
1057	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1054	>	public void testTimedInvokeAny5() throws Exception {
1055	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	>	try (PoolCleaner cleaner = cleaner(e)) {
1057	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1058		l.add(new StringTask());
1059		l.add(new StringTask());
1060	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1060	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1061		assertSame(TEST_STRING, result);
993	–	} catch (ExecutionException success) {
994	–	} catch(Exception ex) {
995	–	unexpectedException();
996	–	} finally {
997	–	joinPool(e);
1062		}
1063		}
1064
1065		/**
1066		* timed invokeAll(null) throws NPE
1067		*/
1068	<	public void testTimedInvokeAll1() {
1069	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1070	<	try {
1071	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1072	<	} catch (NullPointerException success) {
1073	<	} catch(Exception ex) {
1074	<	unexpectedException();
1011	<	} finally {
1012	<	joinPool(e);
1068	>	public void testTimedInvokeAll1() throws Exception {
1069	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1070	>	try (PoolCleaner cleaner = cleaner(e)) {
1071	>	try {
1072	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1073	>	shouldThrow();
1074	>	} catch (NullPointerException success) {}
1075		}
1076		}
1077
1078		/**
1079		* timed invokeAll(,,null) throws NPE
1080		*/
1081	<	public void testTimedInvokeAllNullTimeUnit() {
1082	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1083	<	try {
1084	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1081	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1082	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1083	>	try (PoolCleaner cleaner = cleaner(e)) {
1084	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1085		l.add(new StringTask());
1086	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1087	<	} catch (NullPointerException success) {
1088	<	} catch(Exception ex) {
1089	<	unexpectedException();
1028	<	} finally {
1029	<	joinPool(e);
1086	>	try {
1087	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1088	>	shouldThrow();
1089	>	} catch (NullPointerException success) {}
1090		}
1091		}
1092
1093		/**
1094		* timed invokeAll(empty collection) returns empty collection
1095		*/
1096	<	public void testTimedInvokeAll2() {
1097	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1098	<	try {
1099	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1096	>	public void testTimedInvokeAll2() throws Exception {
1097	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1098	>	try (PoolCleaner cleaner = cleaner(e)) {
1099	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1100	>	MEDIUM_DELAY_MS, MILLISECONDS);
1101		assertTrue(r.isEmpty());
1041	–	} catch(Exception ex) {
1042	–	unexpectedException();
1043	–	} finally {
1044	–	joinPool(e);
1102		}
1103		}
1104
1105		/**
1106		* timed invokeAll(c) throws NPE if c has null elements
1107		*/
1108	<	public void testTimedInvokeAll3() {
1109	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1110	<	try {
1111	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1108	>	public void testTimedInvokeAll3() throws Exception {
1109	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1110	>	try (PoolCleaner cleaner = cleaner(e)) {
1111	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1112		l.add(new StringTask());
1113		l.add(null);
1114	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1115	<	} catch (NullPointerException success) {
1116	<	} catch(Exception ex) {
1117	<	unexpectedException();
1061	<	} finally {
1062	<	joinPool(e);
1114	>	try {
1115	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1116	>	shouldThrow();
1117	>	} catch (NullPointerException success) {}
1118		}
1119		}
1120
1121		/**
1122		* get of element of invokeAll(c) throws exception on failed task
1123		*/
1124	<	public void testTimedInvokeAll4() {
1125	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1126	<	try {
1127	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1124	>	public void testTimedInvokeAll4() throws Exception {
1125	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1126	>	try (PoolCleaner cleaner = cleaner(e)) {
1127	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1128		l.add(new NPETask());
1129	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1130	<	assertEquals(1, result.size());
1131	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1132	<	it.next().get();
1133	<	} catch(ExecutionException success) {
1134	<	} catch(Exception ex) {
1135	<	unexpectedException();
1136	<	} finally {
1137	<	joinPool(e);
1129	>	List<Future<String>> futures =
1130	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1131	>	assertEquals(1, futures.size());
1132	>	try {
1133	>	futures.get(0).get();
1134	>	shouldThrow();
1135	>	} catch (ExecutionException success) {
1136	>	assertTrue(success.getCause() instanceof NullPointerException);
1137	>	}
1138		}
1139		}
1140
1141		/**
1142		* timed invokeAll(c) returns results of all completed tasks
1143		*/
1144	<	public void testTimedInvokeAll5() {
1145	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1146	<	try {
1147	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1144	>	public void testTimedInvokeAll5() throws Exception {
1145	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1146	>	try (PoolCleaner cleaner = cleaner(e)) {
1147	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1148		l.add(new StringTask());
1149		l.add(new StringTask());
1150	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1151	<	assertEquals(2, result.size());
1152	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1153	<	assertSame(TEST_STRING, it.next().get());
1154	<	} catch (ExecutionException success) {
1100	<	} catch(Exception ex) {
1101	<	unexpectedException();
1102	<	} finally {
1103	<	joinPool(e);
1150	>	List<Future<String>> futures =
1151	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1152	>	assertEquals(2, futures.size());
1153	>	for (Future<String> future : futures)
1154	>	assertSame(TEST_STRING, future.get());
1155		}
1156		}
1157
1158		/**
1159		* timed invokeAll(c) cancels tasks not completed by timeout
1160		*/
1161	<	public void testTimedInvokeAll6() {
1162	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1163	<	try {
1164	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1165	<	l.add(new StringTask());
1166	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1167	<	l.add(new StringTask());
1168	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1169	<	assertEquals(3, result.size());
1170	<	Iterator<Future<String>> it = result.iterator();
1171	<	Future<String> f1 = it.next();
1172	<	Future<String> f2 = it.next();
1173	<	Future<String> f3 = it.next();
1174	<	assertTrue(f1.isDone());
1175	<	assertTrue(f2.isDone());
1176	<	assertTrue(f3.isDone());
1177	<	assertFalse(f1.isCancelled());
1178	<	assertTrue(f2.isCancelled());
1179	<	} catch(Exception ex) {
1180	<	unexpectedException();
1181	<	} finally {
1182	<	joinPool(e);
1161	>	public void testTimedInvokeAll6() throws Exception {
1162	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1163	>	try (PoolCleaner cleaner = cleaner(e)) {
1164	>	for (long timeout = timeoutMillis();;) {
1165	>	List<Callable<String>> tasks = new ArrayList<>();
1166	>	tasks.add(new StringTask("0"));
1167	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1168	>	tasks.add(new StringTask("2"));
1169	>	long startTime = System.nanoTime();
1170	>	List<Future<String>> futures =
1171	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1172	>	assertEquals(tasks.size(), futures.size());
1173	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1174	>	for (Future future : futures)
1175	>	assertTrue(future.isDone());
1176	>	assertTrue(futures.get(1).isCancelled());
1177	>	try {
1178	>	assertEquals("0", futures.get(0).get());
1179	>	assertEquals("2", futures.get(2).get());
1180	>	break;
1181	>	} catch (CancellationException retryWithLongerTimeout) {
1182	>	timeout *= 2;
1183	>	if (timeout >= LONG_DELAY_MS / 2)
1184	>	fail("expected exactly one task to be cancelled");
1185	>	}
1186	>	}
1187		}
1188		}
1189
1135	–
1190		}

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