ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.23 by jsr166, Mon Nov 16 04:57:10 2009 UTC vs.
Revision 1.81 by jsr166, Wed Aug 24 22:22:39 2016 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
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.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14	>	import java.util.HashSet;
15	>	import java.util.List;
16	>	import java.util.concurrent.BlockingQueue;
17	>	import java.util.concurrent.Callable;
18	>	import java.util.concurrent.CancellationException;
19	>	import java.util.concurrent.CountDownLatch;
20	>	import java.util.concurrent.ExecutionException;
21	>	import java.util.concurrent.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.AtomicBoolean;
29	>	import java.util.concurrent.atomic.AtomicInteger;
30	>	import java.util.concurrent.atomic.AtomicLong;
31	>
32	>	import junit.framework.Test;
33	>	import junit.framework.TestSuite;
34
35		public class ScheduledExecutorTest extends JSR166TestCase {
36		public static void main(String[] args) {
37	<	junit.textui.TestRunner.run (suite());
37	>	main(suite(), args);
38		}
39		public static Test suite() {
40	<	return new TestSuite(ScheduledExecutorTest.class);
40	>	return new TestSuite(ScheduledExecutorTest.class);
41		}
42
22	–
43		/**
44		* execute successfully executes a runnable
45		*/
46	<	public void testExecute() {
47	<	try {
48	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
49	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
50	<	p1.execute(runnable);
51	<	assertFalse(runnable.done);
52	<	Thread.sleep(SHORT_DELAY_MS);
53	<	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);
46	>	public void testExecute() throws InterruptedException {
47	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
48	>	try (PoolCleaner cleaner = cleaner(p)) {
49	>	final CountDownLatch done = new CountDownLatch(1);
50	>	final Runnable task = new CheckedRunnable() {
51	>	public void realRun() { done.countDown(); }};
52	>	p.execute(task);
53	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
54		}
43	–	catch (Exception e){
44	–	unexpectedException();
45	–	}
46	–
55		}
56
49	–
57		/**
58		* delayed schedule of callable successfully executes after delay
59		*/
60	<	public void testSchedule1() {
61	<	try {
62	<	TrackedCallable callable = new TrackedCallable();
63	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
64	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
65	<	assertFalse(callable.done);
66	<	Thread.sleep(MEDIUM_DELAY_MS);
67	<	assertTrue(callable.done);
68	<	assertEquals(Boolean.TRUE, f.get());
69	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
70	<	joinPool(p1);
71	<	} catch (RejectedExecutionException e){}
72	<	catch (Exception e){
73	<	e.printStackTrace();
74	<	unexpectedException();
60	>	public void testSchedule1() throws Exception {
61	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
62	>	try (PoolCleaner cleaner = cleaner(p)) {
63	>	final long startTime = System.nanoTime();
64	>	final CountDownLatch done = new CountDownLatch(1);
65	>	Callable task = new CheckedCallable<Boolean>() {
66	>	public Boolean realCall() {
67	>	done.countDown();
68	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
69	>	return Boolean.TRUE;
70	>	}};
71	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
72	>	assertSame(Boolean.TRUE, f.get());
73	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
74	>	assertTrue(done.await(0L, MILLISECONDS));
75		}
76		}
77
78		/**
79	<	*  delayed schedule of runnable successfully executes after delay
80	<	*/
81	<	public void testSchedule3() {
82	<	try {
83	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
84	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
85	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
86	<	Thread.sleep(SHORT_DELAY_MS);
87	<	assertFalse(runnable.done);
88	<	Thread.sleep(MEDIUM_DELAY_MS);
89	<	assertTrue(runnable.done);
90	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
91	<	joinPool(p1);
92	<	} catch (Exception e){
93	<	unexpectedException();
79	>	* delayed schedule of runnable successfully executes after delay
80	>	*/
81	>	public void testSchedule3() throws Exception {
82	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
83	>	try (PoolCleaner cleaner = cleaner(p)) {
84	>	final long startTime = System.nanoTime();
85	>	final CountDownLatch done = new CountDownLatch(1);
86	>	Runnable task = new CheckedRunnable() {
87	>	public void realRun() {
88	>	done.countDown();
89	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
90	>	}};
91	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
92	>	await(done);
93	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
94	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
95		}
96		}
97
98		/**
99		* scheduleAtFixedRate executes runnable after given initial delay
100		*/
101	<	public void testSchedule4() {
102	<	try {
103	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
104	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
105	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
106	<	assertFalse(runnable.done);
107	<	Thread.sleep(MEDIUM_DELAY_MS);
108	<	assertTrue(runnable.done);
109	<	h.cancel(true);
110	<	joinPool(p1);
111	<	} catch (Exception e){
112	<	unexpectedException();
101	>	public void testSchedule4() throws Exception {
102	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
103	>	try (PoolCleaner cleaner = cleaner(p)) {
104	>	final long startTime = System.nanoTime();
105	>	final CountDownLatch done = new CountDownLatch(1);
106	>	Runnable task = new CheckedRunnable() {
107	>	public void realRun() {
108	>	done.countDown();
109	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
110	>	}};
111	>	ScheduledFuture f =
112	>	p.scheduleAtFixedRate(task, timeoutMillis(),
113	>	LONG_DELAY_MS, MILLISECONDS);
114	>	await(done);
115	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
116	>	f.cancel(true);
117		}
118		}
119
108	–	static class RunnableCounter implements Runnable {
109	–	AtomicInteger count = new AtomicInteger(0);
110	–	public void run() { count.getAndIncrement(); }
111	–	}
112	–
120		/**
121		* scheduleWithFixedDelay executes runnable after given initial delay
122		*/
123	<	public void testSchedule5() {
124	<	try {
125	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
126	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
127	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
128	<	assertFalse(runnable.done);
129	<	Thread.sleep(MEDIUM_DELAY_MS);
130	<	assertTrue(runnable.done);
131	<	h.cancel(true);
132	<	joinPool(p1);
133	<	} catch (Exception e){
134	<	unexpectedException();
123	>	public void testSchedule5() throws Exception {
124	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
125	>	try (PoolCleaner cleaner = cleaner(p)) {
126	>	final long startTime = System.nanoTime();
127	>	final CountDownLatch done = new CountDownLatch(1);
128	>	Runnable task = new CheckedRunnable() {
129	>	public void realRun() {
130	>	done.countDown();
131	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
132	>	}};
133	>	ScheduledFuture f =
134	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
135	>	LONG_DELAY_MS, MILLISECONDS);
136	>	await(done);
137	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
138	>	f.cancel(true);
139		}
140		}
141
142	+	static class RunnableCounter implements Runnable {
143	+	AtomicInteger count = new AtomicInteger(0);
144	+	public void run() { count.getAndIncrement(); }
145	+	}
146	+
147		/**
148	<	* scheduleAtFixedRate executes series of tasks at given rate
149	<	*/
150	<	public void testFixedRateSequence() {
151	<	try {
152	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
153	<	RunnableCounter counter = new RunnableCounter();
154	<	ScheduledFuture h =
155	<	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
156	<	Thread.sleep(SMALL_DELAY_MS);
157	<	h.cancel(true);
158	<	int c = counter.count.get();
159	<	// By time scaling conventions, we must have at least
160	<	// an execution per SHORT delay, but no more than one SHORT more
161	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
162	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
163	<	joinPool(p1);
164	<	} catch (Exception e){
165	<	unexpectedException();
148	>	* scheduleAtFixedRate executes series of tasks at given rate.
149	>	* Eventually, it must hold that:
150	>	*   cycles - 1 <= elapsedMillis/delay < cycles
151	>	*/
152	>	public void testFixedRateSequence() throws InterruptedException {
153	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
154	>	try (PoolCleaner cleaner = cleaner(p)) {
155	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
156	>	final long startTime = System.nanoTime();
157	>	final int cycles = 8;
158	>	final CountDownLatch done = new CountDownLatch(cycles);
159	>	final Runnable task = new CheckedRunnable() {
160	>	public void realRun() { done.countDown(); }};
161	>	final ScheduledFuture periodicTask =
162	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
163	>	final int totalDelayMillis = (cycles - 1) * delay;
164	>	await(done, totalDelayMillis + LONG_DELAY_MS);
165	>	periodicTask.cancel(true);
166	>	final long elapsedMillis = millisElapsedSince(startTime);
167	>	assertTrue(elapsedMillis >= totalDelayMillis);
168	>	if (elapsedMillis <= cycles * delay)
169	>	return;
170	>	// else retry with longer delay
171	>	}
172	>	fail("unexpected execution rate");
173		}
174		}
175
176		/**
177	<	* scheduleWithFixedDelay executes series of tasks with given period
178	<	*/
179	<	public void testFixedDelaySequence() {
180	<	try {
181	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
182	<	RunnableCounter counter = new RunnableCounter();
183	<	ScheduledFuture h =
184	<	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
185	<	Thread.sleep(SMALL_DELAY_MS);
186	<	h.cancel(true);
187	<	int c = counter.count.get();
188	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
189	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
190	<	joinPool(p1);
191	<	} catch (Exception e){
192	<	unexpectedException();
177	>	* scheduleWithFixedDelay executes series of tasks with given period.
178	>	* Eventually, it must hold that each task starts at least delay and at
179	>	* most 2 * delay after the termination of the previous task.
180	>	*/
181	>	public void testFixedDelaySequence() throws InterruptedException {
182	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
183	>	try (PoolCleaner cleaner = cleaner(p)) {
184	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
185	>	final long startTime = System.nanoTime();
186	>	final AtomicLong previous = new AtomicLong(startTime);
187	>	final AtomicBoolean tryLongerDelay = new AtomicBoolean(false);
188	>	final int cycles = 8;
189	>	final CountDownLatch done = new CountDownLatch(cycles);
190	>	final int d = delay;
191	>	final Runnable task = new CheckedRunnable() {
192	>	public void realRun() {
193	>	long now = System.nanoTime();
194	>	long elapsedMillis
195	>	= NANOSECONDS.toMillis(now - previous.get());
196	>	if (done.getCount() == cycles) { // first execution
197	>	if (elapsedMillis >= d)
198	>	tryLongerDelay.set(true);
199	>	} else {
200	>	assertTrue(elapsedMillis >= d);
201	>	if (elapsedMillis >= 2 * d)
202	>	tryLongerDelay.set(true);
203	>	}
204	>	previous.set(now);
205	>	done.countDown();
206	>	}};
207	>	final ScheduledFuture periodicTask =
208	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
209	>	final int totalDelayMillis = (cycles - 1) * delay;
210	>	await(done, totalDelayMillis + cycles * LONG_DELAY_MS);
211	>	periodicTask.cancel(true);
212	>	final long elapsedMillis = millisElapsedSince(startTime);
213	>	assertTrue(elapsedMillis >= totalDelayMillis);
214	>	if (!tryLongerDelay.get())
215	>	return;
216	>	// else retry with longer delay
217	>	}
218	>	fail("unexpected execution rate");
219		}
220		}
221
173	–
222		/**
223	<	*  execute (null) throws NPE
223	>	* execute(null) throws NPE
224		*/
225	<	public void testExecuteNull() {
226	<	ScheduledThreadPoolExecutor se = null;
227	<	try {
228	<	se = new ScheduledThreadPoolExecutor(1);
229	<	se.execute(null);
230	<	shouldThrow();
231	<	} catch (NullPointerException success){}
184	<	catch (Exception e){
185	<	unexpectedException();
225	>	public void testExecuteNull() throws InterruptedException {
226	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	try {
229	>	p.execute(null);
230	>	shouldThrow();
231	>	} catch (NullPointerException success) {}
232		}
187	–
188	–	joinPool(se);
233		}
234
235		/**
236	<	* schedule (null) throws NPE
236	>	* schedule(null) throws NPE
237		*/
238	<	public void testScheduleNull() {
239	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
240	<	try {
241	<	TrackedCallable callable = null;
242	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
243	<	shouldThrow();
244	<	} catch (NullPointerException success){}
245	<	catch (Exception e){
202	<	unexpectedException();
238	>	public void testScheduleNull() throws InterruptedException {
239	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
240	>	try (PoolCleaner cleaner = cleaner(p)) {
241	>	try {
242	>	TrackedCallable callable = null;
243	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
244	>	shouldThrow();
245	>	} catch (NullPointerException success) {}
246		}
204	–	joinPool(se);
247		}
248
249		/**
250		* execute throws RejectedExecutionException if shutdown
251		*/
252	<	public void testSchedule1_RejectedExecutionException() {
253	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
254	<	try {
255	<	se.shutdown();
256	<	se.schedule(new NoOpRunnable(),
257	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
258	<	shouldThrow();
259	<	} catch (RejectedExecutionException success){
260	<	} catch (SecurityException ok) {
252	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
253	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
254	>	try (PoolCleaner cleaner = cleaner(p)) {
255	>	try {
256	>	p.shutdown();
257	>	p.schedule(new NoOpRunnable(),
258	>	MEDIUM_DELAY_MS, MILLISECONDS);
259	>	shouldThrow();
260	>	} catch (RejectedExecutionException success) {
261	>	} catch (SecurityException ok) {}
262		}
220	–
221	–	joinPool(se);
222	–
263		}
264
265		/**
266		* schedule throws RejectedExecutionException if shutdown
267		*/
268	<	public void testSchedule2_RejectedExecutionException() {
269	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
270	<	try {
271	<	se.shutdown();
272	<	se.schedule(new NoOpCallable(),
273	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
274	<	shouldThrow();
275	<	} catch (RejectedExecutionException success){
276	<	} catch (SecurityException ok) {
268	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
269	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
270	>	try (PoolCleaner cleaner = cleaner(p)) {
271	>	try {
272	>	p.shutdown();
273	>	p.schedule(new NoOpCallable(),
274	>	MEDIUM_DELAY_MS, MILLISECONDS);
275	>	shouldThrow();
276	>	} catch (RejectedExecutionException success) {
277	>	} catch (SecurityException ok) {}
278		}
238	–	joinPool(se);
279		}
280
281		/**
282		* schedule callable throws RejectedExecutionException if shutdown
283		*/
284	<	public void testSchedule3_RejectedExecutionException() {
285	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
286	<	try {
287	<	se.shutdown();
288	<	se.schedule(new NoOpCallable(),
289	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
290	<	shouldThrow();
291	<	} catch (RejectedExecutionException success){
292	<	} catch (SecurityException ok) {
284	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
285	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
286	>	try (PoolCleaner cleaner = cleaner(p)) {
287	>	try {
288	>	p.shutdown();
289	>	p.schedule(new NoOpCallable(),
290	>	MEDIUM_DELAY_MS, MILLISECONDS);
291	>	shouldThrow();
292	>	} catch (RejectedExecutionException success) {
293	>	} catch (SecurityException ok) {}
294		}
254	–	joinPool(se);
295		}
296
297		/**
298	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
299	<	*/
300	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
301	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
302	<	try {
303	<	se.shutdown();
304	<	se.scheduleAtFixedRate(new NoOpRunnable(),
305	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
306	<	shouldThrow();
307	<	} catch (RejectedExecutionException success){
308	<	} catch (SecurityException ok) {
298	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
299	>	*/
300	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
301	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
302	>	try (PoolCleaner cleaner = cleaner(p)) {
303	>	try {
304	>	p.shutdown();
305	>	p.scheduleAtFixedRate(new NoOpRunnable(),
306	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
307	>	shouldThrow();
308	>	} catch (RejectedExecutionException success) {
309	>	} catch (SecurityException ok) {}
310		}
270	–	joinPool(se);
311		}
312
313		/**
314		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
315		*/
316	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
317	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
318	<	try {
319	<	se.shutdown();
320	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
321	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
322	<	shouldThrow();
323	<	} catch (RejectedExecutionException success){
324	<	} catch (SecurityException ok) {
325	<	}
286	<	joinPool(se);
287	<	}
288	<
289	<	/**
290	<	*  getActiveCount increases but doesn't overestimate, when a
291	<	*  thread becomes active
292	<	*/
293	<	public void testGetActiveCount() {
294	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
295	<	assertEquals(0, p2.getActiveCount());
296	<	p2.execute(new SmallRunnable());
297	<	try {
298	<	Thread.sleep(SHORT_DELAY_MS);
299	<	} catch (Exception e){
300	<	unexpectedException();
316	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
317	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.shutdown();
321	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
322	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
323	>	shouldThrow();
324	>	} catch (RejectedExecutionException success) {
325	>	} catch (SecurityException ok) {}
326		}
302	–	assertEquals(1, p2.getActiveCount());
303	–	joinPool(p2);
327		}
328
329		/**
330	<	*    getCompletedTaskCount increases, but doesn't overestimate,
331	<	*   when tasks complete
332	<	*/
333	<	public void testGetCompletedTaskCount() {
334	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
335	<	assertEquals(0, p2.getCompletedTaskCount());
336	<	p2.execute(new SmallRunnable());
337	<	try {
338	<	Thread.sleep(MEDIUM_DELAY_MS);
339	<	} catch (Exception e){
340	<	unexpectedException();
330	>	* getActiveCount increases but doesn't overestimate, when a
331	>	* thread becomes active
332	>	*/
333	>	public void testGetActiveCount() throws InterruptedException {
334	>	final CountDownLatch done = new CountDownLatch(1);
335	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
336	>	try (PoolCleaner cleaner = cleaner(p, done)) {
337	>	final CountDownLatch threadStarted = new CountDownLatch(1);
338	>	assertEquals(0, p.getActiveCount());
339	>	p.execute(new CheckedRunnable() {
340	>	public void realRun() throws InterruptedException {
341	>	threadStarted.countDown();
342	>	assertEquals(1, p.getActiveCount());
343	>	await(done);
344	>	}});
345	>	await(threadStarted);
346	>	assertEquals(1, p.getActiveCount());
347		}
319	–	assertEquals(1, p2.getCompletedTaskCount());
320	–	joinPool(p2);
321	–	}
322	–
323	–	/**
324	–	*  getCorePoolSize returns size given in constructor if not otherwise set
325	–	*/
326	–	public void testGetCorePoolSize() {
327	–	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
328	–	assertEquals(1, p1.getCorePoolSize());
329	–	joinPool(p1);
348		}
349
350		/**
351	<	*    getLargestPoolSize increases, but doesn't overestimate, when
352	<	*   multiple threads active
353	<	*/
354	<	public void testGetLargestPoolSize() {
355	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
356	<	assertEquals(0, p2.getLargestPoolSize());
357	<	p2.execute(new SmallRunnable());
358	<	p2.execute(new SmallRunnable());
359	<	try {
360	<	Thread.sleep(SHORT_DELAY_MS);
361	<	} catch (Exception e){
362	<	unexpectedException();
351	>	* getCompletedTaskCount increases, but doesn't overestimate,
352	>	* when tasks complete
353	>	*/
354	>	public void testGetCompletedTaskCount() throws InterruptedException {
355	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
356	>	try (PoolCleaner cleaner = cleaner(p)) {
357	>	final CountDownLatch threadStarted = new CountDownLatch(1);
358	>	final CountDownLatch threadProceed = new CountDownLatch(1);
359	>	final CountDownLatch threadDone = new CountDownLatch(1);
360	>	assertEquals(0, p.getCompletedTaskCount());
361	>	p.execute(new CheckedRunnable() {
362	>	public void realRun() throws InterruptedException {
363	>	threadStarted.countDown();
364	>	assertEquals(0, p.getCompletedTaskCount());
365	>	threadProceed.await();
366	>	threadDone.countDown();
367	>	}});
368	>	await(threadStarted);
369	>	assertEquals(0, p.getCompletedTaskCount());
370	>	threadProceed.countDown();
371	>	threadDone.await();
372	>	long startTime = System.nanoTime();
373	>	while (p.getCompletedTaskCount() != 1) {
374	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
375	>	fail("timed out");
376	>	Thread.yield();
377	>	}
378		}
346	–	assertEquals(2, p2.getLargestPoolSize());
347	–	joinPool(p2);
379		}
380
381		/**
382	<	*   getPoolSize increases, but doesn't overestimate, when threads
352	<	*   become active
382	>	* getCorePoolSize returns size given in constructor if not otherwise set
383		*/
384	<	public void testGetPoolSize() {
385	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
386	<	assertEquals(0, p1.getPoolSize());
387	<	p1.execute(new SmallRunnable());
388	<	assertEquals(1, p1.getPoolSize());
389	<	joinPool(p1);
390	<	}
391	<
392	<	/**
393	<	*    getTaskCount increases, but doesn't overestimate, when tasks
394	<	*    submitted
395	<	*/
396	<	public void testGetTaskCount() {
397	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
398	<	assertEquals(0, p1.getTaskCount());
399	<	for (int i = 0; i < 5; i++)
400	<	p1.execute(new SmallRunnable());
401	<	try {
402	<	Thread.sleep(SHORT_DELAY_MS);
403	<	} catch (Exception e){
404	<	unexpectedException();
384	>	public void testGetCorePoolSize() throws InterruptedException {
385	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
386	>	try (PoolCleaner cleaner = cleaner(p)) {
387	>	assertEquals(1, p.getCorePoolSize());
388	>	}
389	>	}
390	>
391	>	/**
392	>	* getLargestPoolSize increases, but doesn't overestimate, when
393	>	* multiple threads active
394	>	*/
395	>	public void testGetLargestPoolSize() throws InterruptedException {
396	>	final int THREADS = 3;
397	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
398	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
399	>	final CountDownLatch done = new CountDownLatch(1);
400	>	try (PoolCleaner cleaner = cleaner(p, done)) {
401	>	assertEquals(0, p.getLargestPoolSize());
402	>	for (int i = 0; i < THREADS; i++)
403	>	p.execute(new CheckedRunnable() {
404	>	public void realRun() throws InterruptedException {
405	>	threadsStarted.countDown();
406	>	await(done);
407	>	assertEquals(THREADS, p.getLargestPoolSize());
408	>	}});
409	>	await(threadsStarted);
410	>	assertEquals(THREADS, p.getLargestPoolSize());
411	>	}
412	>	assertEquals(THREADS, p.getLargestPoolSize());
413	>	}
414	>
415	>	/**
416	>	* getPoolSize increases, but doesn't overestimate, when threads
417	>	* become active
418	>	*/
419	>	public void testGetPoolSize() throws InterruptedException {
420	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
421	>	final CountDownLatch threadStarted = new CountDownLatch(1);
422	>	final CountDownLatch done = new CountDownLatch(1);
423	>	try (PoolCleaner cleaner = cleaner(p, done)) {
424	>	assertEquals(0, p.getPoolSize());
425	>	p.execute(new CheckedRunnable() {
426	>	public void realRun() throws InterruptedException {
427	>	threadStarted.countDown();
428	>	assertEquals(1, p.getPoolSize());
429	>	await(done);
430	>	}});
431	>	await(threadStarted);
432	>	assertEquals(1, p.getPoolSize());
433	>	}
434	>	}
435	>
436	>	/**
437	>	* getTaskCount increases, but doesn't overestimate, when tasks
438	>	* submitted
439	>	*/
440	>	public void testGetTaskCount() throws InterruptedException {
441	>	final int TASKS = 3;
442	>	final CountDownLatch done = new CountDownLatch(1);
443	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
444	>	try (PoolCleaner cleaner = cleaner(p, done)) {
445	>	final CountDownLatch threadStarted = new CountDownLatch(1);
446	>	assertEquals(0, p.getTaskCount());
447	>	assertEquals(0, p.getCompletedTaskCount());
448	>	p.execute(new CheckedRunnable() {
449	>	public void realRun() throws InterruptedException {
450	>	threadStarted.countDown();
451	>	await(done);
452	>	}});
453	>	await(threadStarted);
454	>	assertEquals(1, p.getTaskCount());
455	>	assertEquals(0, p.getCompletedTaskCount());
456	>	for (int i = 0; i < TASKS; i++) {
457	>	assertEquals(1 + i, p.getTaskCount());
458	>	p.execute(new CheckedRunnable() {
459	>	public void realRun() throws InterruptedException {
460	>	threadStarted.countDown();
461	>	assertEquals(1 + TASKS, p.getTaskCount());
462	>	await(done);
463	>	}});
464	>	}
465	>	assertEquals(1 + TASKS, p.getTaskCount());
466	>	assertEquals(0, p.getCompletedTaskCount());
467		}
468	<	assertEquals(5, p1.getTaskCount());
469	<	joinPool(p1);
468	>	assertEquals(1 + TASKS, p.getTaskCount());
469	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
470		}
471
472		/**
473		* getThreadFactory returns factory in constructor if not set
474		*/
475	<	public void testGetThreadFactory() {
476	<	ThreadFactory tf = new SimpleThreadFactory();
477	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
478	<	assertSame(tf, p.getThreadFactory());
479	<	joinPool(p);
475	>	public void testGetThreadFactory() throws InterruptedException {
476	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
477	>	final ScheduledThreadPoolExecutor p =
478	>	new ScheduledThreadPoolExecutor(1, threadFactory);
479	>	try (PoolCleaner cleaner = cleaner(p)) {
480	>	assertSame(threadFactory, p.getThreadFactory());
481	>	}
482		}
483
484		/**
485		* setThreadFactory sets the thread factory returned by getThreadFactory
486		*/
487	<	public void testSetThreadFactory() {
488	<	ThreadFactory tf = new SimpleThreadFactory();
489	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
490	<	p.setThreadFactory(tf);
491	<	assertSame(tf, p.getThreadFactory());
492	<	joinPool(p);
487	>	public void testSetThreadFactory() throws InterruptedException {
488	>	ThreadFactory threadFactory = new SimpleThreadFactory();
489	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
490	>	try (PoolCleaner cleaner = cleaner(p)) {
491	>	p.setThreadFactory(threadFactory);
492	>	assertSame(threadFactory, p.getThreadFactory());
493	>	}
494		}
495
496		/**
497		* setThreadFactory(null) throws NPE
498		*/
499	<	public void testSetThreadFactoryNull() {
500	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
501	<	try {
502	<	p.setThreadFactory(null);
503	<	shouldThrow();
504	<	} catch (NullPointerException success) {
505	<	} finally {
411	<	joinPool(p);
499	>	public void testSetThreadFactoryNull() throws InterruptedException {
500	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
501	>	try (PoolCleaner cleaner = cleaner(p)) {
502	>	try {
503	>	p.setThreadFactory(null);
504	>	shouldThrow();
505	>	} catch (NullPointerException success) {}
506		}
507		}
508
509		/**
510	<	*   is isShutDown is false before shutdown, true after
510	>	* isShutdown is false before shutdown, true after
511		*/
512		public void testIsShutdown() {
513
514	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
514	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
515		try {
516	<	assertFalse(p1.isShutdown());
516	>	assertFalse(p.isShutdown());
517		}
518		finally {
519	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
519	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
520		}
521	<	assertTrue(p1.isShutdown());
521	>	assertTrue(p.isShutdown());
522		}
523
430	–
524		/**
525	<	*   isTerminated is false before termination, true after
525	>	* isTerminated is false before termination, true after
526		*/
527	<	public void testIsTerminated() {
528	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
529	<	try {
530	<	p1.execute(new SmallRunnable());
531	<	} finally {
532	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
533	<	}
534	<	try {
535	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
536	<	assertTrue(p1.isTerminated());
537	<	} catch (Exception e){
538	<	unexpectedException();
527	>	public void testIsTerminated() throws InterruptedException {
528	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
529	>	try (PoolCleaner cleaner = cleaner(p)) {
530	>	final CountDownLatch threadStarted = new CountDownLatch(1);
531	>	final CountDownLatch done = new CountDownLatch(1);
532	>	assertFalse(p.isTerminated());
533	>	p.execute(new CheckedRunnable() {
534	>	public void realRun() throws InterruptedException {
535	>	assertFalse(p.isTerminated());
536	>	threadStarted.countDown();
537	>	await(done);
538	>	}});
539	>	await(threadStarted);
540	>	assertFalse(p.isTerminating());
541	>	done.countDown();
542	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
543	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
544	>	assertTrue(p.isTerminated());
545		}
546		}
547
548		/**
549	<	*  isTerminating is not true when running or when terminated
550	<	*/
551	<	public void testIsTerminating() {
552	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
553	<	assertFalse(p1.isTerminating());
554	<	try {
555	<	p1.execute(new SmallRunnable());
556	<	assertFalse(p1.isTerminating());
557	<	} finally {
558	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
559	<	}
560	<	try {
561	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
562	<	assertTrue(p1.isTerminated());
563	<	assertFalse(p1.isTerminating());
564	<	} catch (Exception e){
565	<	unexpectedException();
549	>	* isTerminating is not true when running or when terminated
550	>	*/
551	>	public void testIsTerminating() throws InterruptedException {
552	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
553	>	final CountDownLatch threadStarted = new CountDownLatch(1);
554	>	final CountDownLatch done = new CountDownLatch(1);
555	>	try (PoolCleaner cleaner = cleaner(p)) {
556	>	assertFalse(p.isTerminating());
557	>	p.execute(new CheckedRunnable() {
558	>	public void realRun() throws InterruptedException {
559	>	assertFalse(p.isTerminating());
560	>	threadStarted.countDown();
561	>	await(done);
562	>	}});
563	>	await(threadStarted);
564	>	assertFalse(p.isTerminating());
565	>	done.countDown();
566	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
567	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
568	>	assertTrue(p.isTerminated());
569	>	assertFalse(p.isTerminating());
570		}
571		}
572
573		/**
574		* getQueue returns the work queue, which contains queued tasks
575		*/
576	<	public void testGetQueue() {
577	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
578	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
579	<	for (int i = 0; i < 5; i++){
580	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
581	<	}
582	<	try {
583	<	Thread.sleep(SHORT_DELAY_MS);
584	<	BlockingQueue<Runnable> q = p1.getQueue();
585	<	assertTrue(q.contains(tasks[4]));
576	>	public void testGetQueue() throws InterruptedException {
577	>	final CountDownLatch done = new CountDownLatch(1);
578	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
579	>	try (PoolCleaner cleaner = cleaner(p, done)) {
580	>	final CountDownLatch threadStarted = new CountDownLatch(1);
581	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
582	>	for (int i = 0; i < tasks.length; i++) {
583	>	Runnable r = new CheckedRunnable() {
584	>	public void realRun() throws InterruptedException {
585	>	threadStarted.countDown();
586	>	await(done);
587	>	}};
588	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
589	>	}
590	>	await(threadStarted);
591	>	BlockingQueue<Runnable> q = p.getQueue();
592	>	assertTrue(q.contains(tasks[tasks.length - 1]));
593		assertFalse(q.contains(tasks[0]));
484	–	} catch (Exception e) {
485	–	unexpectedException();
486	–	} finally {
487	–	joinPool(p1);
594		}
595		}
596
597		/**
598		* remove(task) removes queued task, and fails to remove active task
599		*/
600	<	public void testRemove() {
601	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
602	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
603	<	for (int i = 0; i < 5; i++){
604	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
605	<	}
606	<	try {
607	<	Thread.sleep(SHORT_DELAY_MS);
608	<	BlockingQueue<Runnable> q = p1.getQueue();
609	<	assertFalse(p1.remove((Runnable)tasks[0]));
600	>	public void testRemove() throws InterruptedException {
601	>	final CountDownLatch done = new CountDownLatch(1);
602	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
603	>	try (PoolCleaner cleaner = cleaner(p, done)) {
604	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
605	>	final CountDownLatch threadStarted = new CountDownLatch(1);
606	>	for (int i = 0; i < tasks.length; i++) {
607	>	Runnable r = new CheckedRunnable() {
608	>	public void realRun() throws InterruptedException {
609	>	threadStarted.countDown();
610	>	await(done);
611	>	}};
612	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
613	>	}
614	>	await(threadStarted);
615	>	BlockingQueue<Runnable> q = p.getQueue();
616	>	assertFalse(p.remove((Runnable)tasks[0]));
617		assertTrue(q.contains((Runnable)tasks[4]));
618		assertTrue(q.contains((Runnable)tasks[3]));
619	<	assertTrue(p1.remove((Runnable)tasks[4]));
620	<	assertFalse(p1.remove((Runnable)tasks[4]));
619	>	assertTrue(p.remove((Runnable)tasks[4]));
620	>	assertFalse(p.remove((Runnable)tasks[4]));
621		assertFalse(q.contains((Runnable)tasks[4]));
622		assertTrue(q.contains((Runnable)tasks[3]));
623	<	assertTrue(p1.remove((Runnable)tasks[3]));
623	>	assertTrue(p.remove((Runnable)tasks[3]));
624		assertFalse(q.contains((Runnable)tasks[3]));
512	–	} catch (Exception e) {
513	–	unexpectedException();
514	–	} finally {
515	–	joinPool(p1);
625		}
626		}
627
628		/**
629	<	*  purge removes cancelled tasks from the queue
629	>	* purge eventually removes cancelled tasks from the queue
630		*/
631	<	public void testPurge() {
632	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
633	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
634	<	for (int i = 0; i < 5; i++){
635	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
636	<	}
637	<	try {
638	<	int max = 5;
631	>	public void testPurge() throws InterruptedException {
632	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
633	>	final Runnable releaser = new Runnable() { public void run() {
634	>	for (ScheduledFuture task : tasks)
635	>	if (task != null) task.cancel(true); }};
636	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
637	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
638	>	for (int i = 0; i < tasks.length; i++)
639	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
640	>	LONG_DELAY_MS, MILLISECONDS);
641	>	int max = tasks.length;
642		if (tasks[4].cancel(true)) --max;
643		if (tasks[3].cancel(true)) --max;
644		// There must eventually be an interference-free point at
645		// which purge will not fail. (At worst, when queue is empty.)
646	<	int k;
647	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
648	<	p1.purge();
649	<	long count = p1.getTaskCount();
650	<	if (count >= 0 && count <= max)
651	<	break;
652	<	Thread.sleep(1);
653	<	}
542	<	assertTrue(k < SMALL_DELAY_MS);
543	<	} catch (Exception e) {
544	<	unexpectedException();
545	<	} finally {
546	<	joinPool(p1);
646	>	long startTime = System.nanoTime();
647	>	do {
648	>	p.purge();
649	>	long count = p.getTaskCount();
650	>	if (count == max)
651	>	return;
652	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
653	>	fail("Purge failed to remove cancelled tasks");
654		}
655		}
656
657		/**
658	<	*  shutDownNow returns a list containing tasks that were not run
659	<	*/
660	<	public void testShutDownNow() {
661	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
662	<	for (int i = 0; i < 5; i++)
663	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
664	<	List l;
658	>	* shutdownNow returns a list containing tasks that were not run,
659	>	* and those tasks are drained from the queue
660	>	*/
661	>	public void testShutdownNow() throws InterruptedException {
662	>	final int poolSize = 2;
663	>	final int count = 5;
664	>	final AtomicInteger ran = new AtomicInteger(0);
665	>	final ScheduledThreadPoolExecutor p =
666	>	new ScheduledThreadPoolExecutor(poolSize);
667	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
668	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
669	>	threadsStarted.countDown();
670	>	try {
671	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
672	>	} catch (InterruptedException success) {}
673	>	ran.getAndIncrement();
674	>	}};
675	>	for (int i = 0; i < count; i++)
676	>	p.execute(waiter);
677	>	await(threadsStarted);
678	>	assertEquals(poolSize, p.getActiveCount());
679	>	assertEquals(0, p.getCompletedTaskCount());
680	>	final List<Runnable> queuedTasks;
681		try {
682	<	l = p1.shutdownNow();
682	>	queuedTasks = p.shutdownNow();
683		} catch (SecurityException ok) {
684	<	return;
684	>	return; // Allowed in case test doesn't have privs
685		}
686	<	assertTrue(p1.isShutdown());
687	<	assertTrue(l.size() > 0 && l.size() <= 5);
688	<	joinPool(p1);
686	>	assertTrue(p.isShutdown());
687	>	assertTrue(p.getQueue().isEmpty());
688	>	assertEquals(count - poolSize, queuedTasks.size());
689	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
690	>	assertTrue(p.isTerminated());
691	>	assertEquals(poolSize, ran.get());
692	>	assertEquals(poolSize, p.getCompletedTaskCount());
693		}
694
695		/**
696	<	* In default setting, shutdown cancels periodic but not delayed
697	<	* tasks at shutdown
698	<	*/
699	<	public void testShutDown1() {
700	<	try {
701	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
702	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
703	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
704	<
705	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
706	<	for (int i = 0; i < 5; i++)
707	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
708	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
709	<	BlockingQueue q = p1.getQueue();
710	<	for (Iterator it = q.iterator(); it.hasNext();) {
584	<	ScheduledFuture t = (ScheduledFuture)it.next();
585	<	assertFalse(t.isCancelled());
586	<	}
587	<	assertTrue(p1.isShutdown());
588	<	Thread.sleep(SMALL_DELAY_MS);
589	<	for (int i = 0; i < 5; ++i) {
590	<	assertTrue(tasks[i].isDone());
591	<	assertFalse(tasks[i].isCancelled());
592	<	}
593	<
594	<	}
595	<	catch (Exception ex) {
596	<	unexpectedException();
597	<	}
598	<	}
599	<
600	<
601	<	/**
602	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
603	<	* delayed tasks are cancelled at shutdown
604	<	*/
605	<	public void testShutDown2() {
606	<	try {
607	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
608	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
609	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
610	<	for (int i = 0; i < 5; i++)
611	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
612	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
613	<	assertTrue(p1.isShutdown());
614	<	BlockingQueue q = p1.getQueue();
615	<	assertTrue(q.isEmpty());
616	<	Thread.sleep(SMALL_DELAY_MS);
617	<	assertTrue(p1.isTerminated());
618	<	}
619	<	catch (Exception ex) {
620	<	unexpectedException();
621	<	}
622	<	}
623	<
624	<
625	<	/**
626	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
627	<	* periodic tasks are not cancelled at shutdown
628	<	*/
629	<	public void testShutDown3() {
696	>	* shutdownNow returns a list containing tasks that were not run,
697	>	* and those tasks are drained from the queue
698	>	*/
699	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
700	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
701	>	List<ScheduledFuture> tasks = new ArrayList<>();
702	>	for (int i = 0; i < 3; i++) {
703	>	Runnable r = new NoOpRunnable();
704	>	tasks.add(p.schedule(r, 9, SECONDS));
705	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
706	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
707	>	}
708	>	if (testImplementationDetails)
709	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
710	>	final List<Runnable> queuedTasks;
711		try {
712	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
713	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
714	<	ScheduledFuture task =
634	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
635	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
636	<	assertTrue(p1.isShutdown());
637	<	BlockingQueue q = p1.getQueue();
638	<	assertTrue(q.isEmpty());
639	<	Thread.sleep(SHORT_DELAY_MS);
640	<	assertTrue(p1.isTerminated());
712	>	queuedTasks = p.shutdownNow();
713	>	} catch (SecurityException ok) {
714	>	return; // Allowed in case test doesn't have privs
715		}
716	<	catch (Exception ex) {
717	<	unexpectedException();
716	>	assertTrue(p.isShutdown());
717	>	assertTrue(p.getQueue().isEmpty());
718	>	if (testImplementationDetails)
719	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
720	>	assertEquals(tasks.size(), queuedTasks.size());
721	>	for (ScheduledFuture task : tasks) {
722	>	assertFalse(task.isDone());
723	>	assertFalse(task.isCancelled());
724		}
725	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
726	+	assertTrue(p.isTerminated());
727		}
728
729		/**
730	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
731	<	* periodic tasks are cancelled at shutdown
732	<	*/
733	<	public void testShutDown4() {
734	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
735	<	try {
736	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
737	<	ScheduledFuture task =
738	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
739	<	assertFalse(task.isCancelled());
740	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
741	<	assertFalse(task.isCancelled());
742	<	assertFalse(p1.isTerminated());
743	<	assertTrue(p1.isShutdown());
744	<	Thread.sleep(SHORT_DELAY_MS);
745	<	assertFalse(task.isCancelled());
746	<	assertTrue(task.cancel(true));
747	<	assertTrue(task.isDone());
748	<	Thread.sleep(SHORT_DELAY_MS);
749	<	assertTrue(p1.isTerminated());
750	<	}
751	<	catch (Exception ex) {
752	<	unexpectedException();
730	>	* By default, periodic tasks are cancelled at shutdown.
731	>	* By default, delayed tasks keep running after shutdown.
732	>	* Check that changing the default values work:
733	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
734	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
735	>	*/
736	>	public void testShutdown_cancellation() throws Exception {
737	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
738	>	for (Boolean policy : allBooleans)
739	>	{
740	>	final int poolSize = 2;
741	>	final ScheduledThreadPoolExecutor p
742	>	= new ScheduledThreadPoolExecutor(poolSize);
743	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
744	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
745	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
746	>	if (policy != null) {
747	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
748	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
749	>	p.setRemoveOnCancelPolicy(policy);
750	>	}
751	>	assertEquals(effectiveDelayedPolicy,
752	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
753	>	assertEquals(effectivePeriodicPolicy,
754	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
755	>	assertEquals(effectiveRemovePolicy,
756	>	p.getRemoveOnCancelPolicy());
757	>	// Strategy: Wedge the pool with poolSize "blocker" threads
758	>	final AtomicInteger ran = new AtomicInteger(0);
759	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
760	>	final CountDownLatch unblock = new CountDownLatch(1);
761	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
762	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
763	>	Runnable task = new CheckedRunnable() { public void realRun()
764	>	throws InterruptedException {
765	>	poolBlocked.countDown();
766	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
767	>	ran.getAndIncrement();
768	>	}};
769	>	List<Future<?>> blockers = new ArrayList<>();
770	>	List<Future<?>> periodics = new ArrayList<>();
771	>	List<Future<?>> delayeds = new ArrayList<>();
772	>	for (int i = 0; i < poolSize; i++)
773	>	blockers.add(p.submit(task));
774	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
775	>
776	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
777	>	1, 1, MILLISECONDS));
778	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
779	>	1, 1, MILLISECONDS));
780	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
781	>
782	>	assertTrue(p.getQueue().containsAll(periodics));
783	>	assertTrue(p.getQueue().containsAll(delayeds));
784	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
785	>	assertTrue(p.isShutdown());
786	>	assertFalse(p.isTerminated());
787	>	for (Future<?> periodic : periodics) {
788	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
789	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
790	>	}
791	>	for (Future<?> delayed : delayeds) {
792	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
793	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
794	>	}
795	>	if (testImplementationDetails) {
796	>	assertEquals(effectivePeriodicPolicy,
797	>	p.getQueue().containsAll(periodics));
798	>	assertEquals(effectiveDelayedPolicy,
799	>	p.getQueue().containsAll(delayeds));
800	>	}
801	>	// Release all pool threads
802	>	unblock.countDown();
803	>
804	>	for (Future<?> delayed : delayeds) {
805	>	if (effectiveDelayedPolicy) {
806	>	assertNull(delayed.get());
807	>	}
808		}
809	<	finally {
810	<	joinPool(p1);
809	>	if (effectivePeriodicPolicy) {
810	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
811	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
812	>	for (Future<?> periodic : periodics) {
813	>	assertTrue(periodic.cancel(false));
814	>	assertTrue(periodic.isCancelled());
815	>	assertTrue(periodic.isDone());
816	>	}
817		}
818	<	}
818	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
819	>	assertTrue(p.isTerminated());
820	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
821	>	}}
822
823		/**
824		* completed submit of callable returns result
825		*/
826	<	public void testSubmitCallable() {
827	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
828	<	try {
826	>	public void testSubmitCallable() throws Exception {
827	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
828	>	try (PoolCleaner cleaner = cleaner(e)) {
829		Future<String> future = e.submit(new StringTask());
830		String result = future.get();
831		assertSame(TEST_STRING, result);
832		}
687	–	catch (ExecutionException ex) {
688	–	unexpectedException();
689	–	}
690	–	catch (InterruptedException ex) {
691	–	unexpectedException();
692	–	} finally {
693	–	joinPool(e);
694	–	}
833		}
834
835		/**
836		* completed submit of runnable returns successfully
837		*/
838	<	public void testSubmitRunnable() {
839	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
840	<	try {
838	>	public void testSubmitRunnable() throws Exception {
839	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
840	>	try (PoolCleaner cleaner = cleaner(e)) {
841		Future<?> future = e.submit(new NoOpRunnable());
842		future.get();
843		assertTrue(future.isDone());
844		}
707	–	catch (ExecutionException ex) {
708	–	unexpectedException();
709	–	}
710	–	catch (InterruptedException ex) {
711	–	unexpectedException();
712	–	} finally {
713	–	joinPool(e);
714	–	}
845		}
846
847		/**
848		* completed submit of (runnable, result) returns result
849		*/
850	<	public void testSubmitRunnable2() {
851	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
852	<	try {
850	>	public void testSubmitRunnable2() throws Exception {
851	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
852	>	try (PoolCleaner cleaner = cleaner(e)) {
853		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
854		String result = future.get();
855		assertSame(TEST_STRING, result);
856		}
727	–	catch (ExecutionException ex) {
728	–	unexpectedException();
729	–	}
730	–	catch (InterruptedException ex) {
731	–	unexpectedException();
732	–	} finally {
733	–	joinPool(e);
734	–	}
857		}
858
859		/**
860		* invokeAny(null) throws NPE
861		*/
862	<	public void testInvokeAny1() {
863	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
864	<	try {
865	<	e.invokeAny(null);
866	<	} catch (NullPointerException success) {
867	<	} catch (Exception ex) {
868	<	unexpectedException();
747	<	} finally {
748	<	joinPool(e);
862	>	public void testInvokeAny1() throws Exception {
863	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
864	>	try (PoolCleaner cleaner = cleaner(e)) {
865	>	try {
866	>	e.invokeAny(null);
867	>	shouldThrow();
868	>	} catch (NullPointerException success) {}
869		}
870		}
871
872		/**
873		* invokeAny(empty collection) throws IAE
874		*/
875	<	public void testInvokeAny2() {
876	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
877	<	try {
878	<	e.invokeAny(new ArrayList<Callable<String>>());
879	<	} catch (IllegalArgumentException success) {
880	<	} catch (Exception ex) {
881	<	unexpectedException();
762	<	} finally {
763	<	joinPool(e);
875	>	public void testInvokeAny2() throws Exception {
876	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
877	>	try (PoolCleaner cleaner = cleaner(e)) {
878	>	try {
879	>	e.invokeAny(new ArrayList<Callable<String>>());
880	>	shouldThrow();
881	>	} catch (IllegalArgumentException success) {}
882		}
883		}
884
885		/**
886		* invokeAny(c) throws NPE if c has null elements
887		*/
888	<	public void testInvokeAny3() {
889	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
890	<	try {
891	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
892	<	l.add(new StringTask());
888	>	public void testInvokeAny3() throws Exception {
889	>	CountDownLatch latch = new CountDownLatch(1);
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(latchAwaitingStringTask(latch));
894		l.add(null);
895	<	e.invokeAny(l);
896	<	} catch (NullPointerException success) {
897	<	} catch (Exception ex) {
898	<	unexpectedException();
899	<	} finally {
781	<	joinPool(e);
895	>	try {
896	>	e.invokeAny(l);
897	>	shouldThrow();
898	>	} catch (NullPointerException success) {}
899	>	latch.countDown();
900		}
901		}
902
903		/**
904		* invokeAny(c) throws ExecutionException if no task completes
905		*/
906	<	public void testInvokeAny4() {
907	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
908	<	try {
909	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
906	>	public void testInvokeAny4() throws Exception {
907	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
908	>	try (PoolCleaner cleaner = cleaner(e)) {
909	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
910		l.add(new NPETask());
911	<	e.invokeAny(l);
912	<	} catch (ExecutionException success) {
913	<	} catch (Exception ex) {
914	<	unexpectedException();
915	<	} finally {
916	<	joinPool(e);
911	>	try {
912	>	e.invokeAny(l);
913	>	shouldThrow();
914	>	} catch (ExecutionException success) {
915	>	assertTrue(success.getCause() instanceof NullPointerException);
916	>	}
917		}
918		}
919
920		/**
921		* invokeAny(c) returns result of some task
922		*/
923	<	public void testInvokeAny5() {
924	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
925	<	try {
926	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
923	>	public void testInvokeAny5() throws Exception {
924	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
925	>	try (PoolCleaner cleaner = cleaner(e)) {
926	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
927		l.add(new StringTask());
928		l.add(new StringTask());
929		String result = e.invokeAny(l);
930		assertSame(TEST_STRING, result);
813	–	} catch (ExecutionException success) {
814	–	} catch (Exception ex) {
815	–	unexpectedException();
816	–	} finally {
817	–	joinPool(e);
931		}
932		}
933
934		/**
935		* invokeAll(null) throws NPE
936		*/
937	<	public void testInvokeAll1() {
938	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
939	<	try {
940	<	e.invokeAll(null);
941	<	} catch (NullPointerException success) {
942	<	} catch (Exception ex) {
943	<	unexpectedException();
831	<	} finally {
832	<	joinPool(e);
937	>	public void testInvokeAll1() throws Exception {
938	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
939	>	try (PoolCleaner cleaner = cleaner(e)) {
940	>	try {
941	>	e.invokeAll(null);
942	>	shouldThrow();
943	>	} catch (NullPointerException success) {}
944		}
945		}
946
947		/**
948		* invokeAll(empty collection) returns empty collection
949		*/
950	<	public void testInvokeAll2() {
951	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
952	<	try {
950	>	public void testInvokeAll2() throws Exception {
951	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
952	>	try (PoolCleaner cleaner = cleaner(e)) {
953		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
954		assertTrue(r.isEmpty());
844	–	} catch (Exception ex) {
845	–	unexpectedException();
846	–	} finally {
847	–	joinPool(e);
955		}
956		}
957
958		/**
959		* invokeAll(c) throws NPE if c has null elements
960		*/
961	<	public void testInvokeAll3() {
962	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
963	<	try {
964	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
961	>	public void testInvokeAll3() throws Exception {
962	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
963	>	try (PoolCleaner cleaner = cleaner(e)) {
964	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
965		l.add(new StringTask());
966		l.add(null);
967	<	e.invokeAll(l);
968	<	} catch (NullPointerException success) {
969	<	} catch (Exception ex) {
970	<	unexpectedException();
864	<	} finally {
865	<	joinPool(e);
967	>	try {
968	>	e.invokeAll(l);
969	>	shouldThrow();
970	>	} catch (NullPointerException success) {}
971		}
972		}
973
974		/**
975		* get of invokeAll(c) throws exception on failed task
976		*/
977	<	public void testInvokeAll4() {
978	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
979	<	try {
980	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
977	>	public void testInvokeAll4() 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 NPETask());
982	<	List<Future<String>> result = e.invokeAll(l);
983	<	assertEquals(1, result.size());
984	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
985	<	it.next().get();
986	<	} catch (ExecutionException success) {
987	<	} catch (Exception ex) {
988	<	unexpectedException();
989	<	} finally {
885	<	joinPool(e);
982	>	List<Future<String>> futures = e.invokeAll(l);
983	>	assertEquals(1, futures.size());
984	>	try {
985	>	futures.get(0).get();
986	>	shouldThrow();
987	>	} catch (ExecutionException success) {
988	>	assertTrue(success.getCause() instanceof NullPointerException);
989	>	}
990		}
991		}
992
993		/**
994		* invokeAll(c) returns results of all completed tasks
995		*/
996	<	public void testInvokeAll5() {
997	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
998	<	try {
999	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
996	>	public void testInvokeAll5() throws Exception {
997	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
998	>	try (PoolCleaner cleaner = cleaner(e)) {
999	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1000		l.add(new StringTask());
1001		l.add(new StringTask());
1002	<	List<Future<String>> result = e.invokeAll(l);
1003	<	assertEquals(2, result.size());
1004	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1005	<	assertSame(TEST_STRING, it.next().get());
902	<	} catch (ExecutionException success) {
903	<	} catch (Exception ex) {
904	<	unexpectedException();
905	<	} finally {
906	<	joinPool(e);
1002	>	List<Future<String>> futures = e.invokeAll(l);
1003	>	assertEquals(2, futures.size());
1004	>	for (Future<String> future : futures)
1005	>	assertSame(TEST_STRING, future.get());
1006		}
1007		}
1008
1009		/**
1010		* timed invokeAny(null) throws NPE
1011		*/
1012	<	public void testTimedInvokeAny1() {
1013	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1014	<	try {
1015	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1016	<	} catch (NullPointerException success) {
1017	<	} catch (Exception ex) {
1018	<	unexpectedException();
920	<	} finally {
921	<	joinPool(e);
1012	>	public void testTimedInvokeAny1() throws Exception {
1013	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1014	>	try (PoolCleaner cleaner = cleaner(e)) {
1015	>	try {
1016	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1017	>	shouldThrow();
1018	>	} catch (NullPointerException success) {}
1019		}
1020		}
1021
1022		/**
1023		* timed invokeAny(,,null) throws NPE
1024		*/
1025	<	public void testTimedInvokeAnyNullTimeUnit() {
1026	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1027	<	try {
1028	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1025	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1026	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1027	>	try (PoolCleaner cleaner = cleaner(e)) {
1028	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1029		l.add(new StringTask());
1030	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1031	<	} catch (NullPointerException success) {
1032	<	} catch (Exception ex) {
1033	<	unexpectedException();
937	<	} finally {
938	<	joinPool(e);
1030	>	try {
1031	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1032	>	shouldThrow();
1033	>	} catch (NullPointerException success) {}
1034		}
1035		}
1036
1037		/**
1038		* timed invokeAny(empty collection) throws IAE
1039		*/
1040	<	public void testTimedInvokeAny2() {
1041	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1042	<	try {
1043	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1044	<	} catch (IllegalArgumentException success) {
1045	<	} catch (Exception ex) {
1046	<	unexpectedException();
952	<	} finally {
953	<	joinPool(e);
1040	>	public void testTimedInvokeAny2() throws Exception {
1041	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1042	>	try (PoolCleaner cleaner = cleaner(e)) {
1043	>	try {
1044	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1045	>	shouldThrow();
1046	>	} catch (IllegalArgumentException success) {}
1047		}
1048		}
1049
1050		/**
1051		* timed invokeAny(c) throws NPE if c has null elements
1052		*/
1053	<	public void testTimedInvokeAny3() {
1054	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1055	<	try {
1056	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1057	<	l.add(new StringTask());
1053	>	public void testTimedInvokeAny3() throws Exception {
1054	>	CountDownLatch latch = new CountDownLatch(1);
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(latchAwaitingStringTask(latch));
1059		l.add(null);
1060	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1061	<	} catch (NullPointerException success) {
1062	<	} catch (Exception ex) {
1063	<	ex.printStackTrace();
1064	<	unexpectedException();
971	<	} finally {
972	<	joinPool(e);
1060	>	try {
1061	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1062	>	shouldThrow();
1063	>	} catch (NullPointerException success) {}
1064	>	latch.countDown();
1065		}
1066		}
1067
1068		/**
1069		* timed invokeAny(c) throws ExecutionException if no task completes
1070		*/
1071	<	public void testTimedInvokeAny4() {
1072	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1073	<	try {
1074	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1071	>	public void testTimedInvokeAny4() throws Exception {
1072	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1073	>	try (PoolCleaner cleaner = cleaner(e)) {
1074	>	long startTime = System.nanoTime();
1075	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1076		l.add(new NPETask());
1077	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1078	<	} catch (ExecutionException success) {
1079	<	} catch (Exception ex) {
1080	<	unexpectedException();
1081	<	} finally {
1082	<	joinPool(e);
1077	>	try {
1078	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1079	>	shouldThrow();
1080	>	} catch (ExecutionException success) {
1081	>	assertTrue(success.getCause() instanceof NullPointerException);
1082	>	}
1083	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1084		}
1085		}
1086
1087		/**
1088		* timed invokeAny(c) returns result of some task
1089		*/
1090	<	public void testTimedInvokeAny5() {
1091	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1092	<	try {
1093	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1090	>	public void testTimedInvokeAny5() throws Exception {
1091	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1092	>	try (PoolCleaner cleaner = cleaner(e)) {
1093	>	long startTime = System.nanoTime();
1094	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1095		l.add(new StringTask());
1096		l.add(new StringTask());
1097	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1097	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1098		assertSame(TEST_STRING, result);
1099	<	} catch (ExecutionException success) {
1005	<	} catch (Exception ex) {
1006	<	unexpectedException();
1007	<	} finally {
1008	<	joinPool(e);
1099	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1100		}
1101		}
1102
1103		/**
1104		* timed invokeAll(null) throws NPE
1105		*/
1106	<	public void testTimedInvokeAll1() {
1107	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1108	<	try {
1109	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1110	<	} catch (NullPointerException success) {
1111	<	} catch (Exception ex) {
1112	<	unexpectedException();
1022	<	} finally {
1023	<	joinPool(e);
1106	>	public void testTimedInvokeAll1() throws Exception {
1107	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1108	>	try (PoolCleaner cleaner = cleaner(e)) {
1109	>	try {
1110	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1111	>	shouldThrow();
1112	>	} catch (NullPointerException success) {}
1113		}
1114		}
1115
1116		/**
1117		* timed invokeAll(,,null) throws NPE
1118		*/
1119	<	public void testTimedInvokeAllNullTimeUnit() {
1120	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1121	<	try {
1122	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1119	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1120	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1121	>	try (PoolCleaner cleaner = cleaner(e)) {
1122	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1123		l.add(new StringTask());
1124	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1125	<	} catch (NullPointerException success) {
1126	<	} catch (Exception ex) {
1127	<	unexpectedException();
1039	<	} finally {
1040	<	joinPool(e);
1124	>	try {
1125	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1126	>	shouldThrow();
1127	>	} catch (NullPointerException success) {}
1128		}
1129		}
1130
1131		/**
1132		* timed invokeAll(empty collection) returns empty collection
1133		*/
1134	<	public void testTimedInvokeAll2() {
1135	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1136	<	try {
1137	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1134	>	public void testTimedInvokeAll2() throws Exception {
1135	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1136	>	try (PoolCleaner cleaner = cleaner(e)) {
1137	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1138	>	MEDIUM_DELAY_MS, MILLISECONDS);
1139		assertTrue(r.isEmpty());
1052	–	} catch (Exception ex) {
1053	–	unexpectedException();
1054	–	} finally {
1055	–	joinPool(e);
1140		}
1141		}
1142
1143		/**
1144		* timed invokeAll(c) throws NPE if c has null elements
1145		*/
1146	<	public void testTimedInvokeAll3() {
1147	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1148	<	try {
1149	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1146	>	public void testTimedInvokeAll3() throws Exception {
1147	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1148	>	try (PoolCleaner cleaner = cleaner(e)) {
1149	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1150		l.add(new StringTask());
1151		l.add(null);
1152	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1153	<	} catch (NullPointerException success) {
1154	<	} catch (Exception ex) {
1155	<	unexpectedException();
1072	<	} finally {
1073	<	joinPool(e);
1152	>	try {
1153	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1154	>	shouldThrow();
1155	>	} catch (NullPointerException success) {}
1156		}
1157		}
1158
1159		/**
1160		* get of element of invokeAll(c) throws exception on failed task
1161		*/
1162	<	public void testTimedInvokeAll4() {
1163	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1164	<	try {
1165	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1162	>	public void testTimedInvokeAll4() throws Exception {
1163	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1164	>	try (PoolCleaner cleaner = cleaner(e)) {
1165	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1166		l.add(new NPETask());
1167	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1168	<	assertEquals(1, result.size());
1169	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1170	<	it.next().get();
1171	<	} catch (ExecutionException success) {
1172	<	} catch (Exception ex) {
1173	<	unexpectedException();
1174	<	} finally {
1175	<	joinPool(e);
1167	>	List<Future<String>> futures =
1168	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1169	>	assertEquals(1, futures.size());
1170	>	try {
1171	>	futures.get(0).get();
1172	>	shouldThrow();
1173	>	} catch (ExecutionException success) {
1174	>	assertTrue(success.getCause() instanceof NullPointerException);
1175	>	}
1176		}
1177		}
1178
1179		/**
1180		* timed invokeAll(c) returns results of all completed tasks
1181		*/
1182	<	public void testTimedInvokeAll5() {
1183	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1184	<	try {
1185	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1182	>	public void testTimedInvokeAll5() throws Exception {
1183	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1184	>	try (PoolCleaner cleaner = cleaner(e)) {
1185	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1186		l.add(new StringTask());
1187		l.add(new StringTask());
1188	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1189	<	assertEquals(2, result.size());
1190	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1191	<	assertSame(TEST_STRING, it.next().get());
1192	<	} catch (ExecutionException success) {
1111	<	} catch (Exception ex) {
1112	<	unexpectedException();
1113	<	} finally {
1114	<	joinPool(e);
1188	>	List<Future<String>> futures =
1189	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1190	>	assertEquals(2, futures.size());
1191	>	for (Future<String> future : futures)
1192	>	assertSame(TEST_STRING, future.get());
1193		}
1194		}
1195
1196		/**
1197		* timed invokeAll(c) cancels tasks not completed by timeout
1198		*/
1199	<	public void testTimedInvokeAll6() {
1200	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1201	<	try {
1202	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1203	<	l.add(new StringTask());
1204	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1205	<	l.add(new StringTask());
1206	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1207	<	assertEquals(3, result.size());
1208	<	Iterator<Future<String>> it = result.iterator();
1209	<	Future<String> f1 = it.next();
1210	<	Future<String> f2 = it.next();
1211	<	Future<String> f3 = it.next();
1212	<	assertTrue(f1.isDone());
1213	<	assertTrue(f2.isDone());
1214	<	assertTrue(f3.isDone());
1215	<	assertFalse(f1.isCancelled());
1216	<	assertTrue(f2.isCancelled());
1217	<	} catch (Exception ex) {
1218	<	unexpectedException();
1219	<	} finally {
1220	<	joinPool(e);
1199	>	public void testTimedInvokeAll6() throws Exception {
1200	>	for (long timeout = timeoutMillis();;) {
1201	>	final CountDownLatch done = new CountDownLatch(1);
1202	>	final Callable<String> waiter = new CheckedCallable<String>() {
1203	>	public String realCall() {
1204	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1205	>	catch (InterruptedException ok) {}
1206	>	return "1"; }};
1207	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1208	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1209	>	List<Callable<String>> tasks = new ArrayList<>();
1210	>	tasks.add(new StringTask("0"));
1211	>	tasks.add(waiter);
1212	>	tasks.add(new StringTask("2"));
1213	>	long startTime = System.nanoTime();
1214	>	List<Future<String>> futures =
1215	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1216	>	assertEquals(tasks.size(), futures.size());
1217	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1218	>	for (Future future : futures)
1219	>	assertTrue(future.isDone());
1220	>	assertTrue(futures.get(1).isCancelled());
1221	>	try {
1222	>	assertEquals("0", futures.get(0).get());
1223	>	assertEquals("2", futures.get(2).get());
1224	>	break;
1225	>	} catch (CancellationException retryWithLongerTimeout) {
1226	>	timeout *= 2;
1227	>	if (timeout >= LONG_DELAY_MS / 2)
1228	>	fail("expected exactly one task to be cancelled");
1229	>	}
1230	>	}
1231		}
1232		}
1233
1234	+	/**
1235	+	* A fixed delay task with overflowing period should not prevent a
1236	+	* one-shot task from executing.
1237	+	* https://bugs.openjdk.java.net/browse/JDK-8051859
1238	+	*/
1239	+	public void testScheduleWithFixedDelay_overflow() throws Exception {
1240	+	final CountDownLatch delayedDone = new CountDownLatch(1);
1241	+	final CountDownLatch immediateDone = new CountDownLatch(1);
1242	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1243	+	try (PoolCleaner cleaner = cleaner(p)) {
1244	+	final Runnable immediate = new Runnable() { public void run() {
1245	+	immediateDone.countDown();
1246	+	}};
1247	+	final Runnable delayed = new Runnable() { public void run() {
1248	+	delayedDone.countDown();
1249	+	p.submit(immediate);
1250	+	}};
1251	+	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1252	+	await(delayedDone);
1253	+	await(immediateDone);
1254	+	}
1255	+	}
1256
1257		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines