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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.22 by jsr166, Mon Nov 2 20:28:32 2009 UTC vs.
Revision 1.76 by jsr166, Thu Oct 8 03:08:37 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
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	>	final 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(LONG_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	>	final 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	>	final 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
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	>	final 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	>	final 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
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	<	joinPool(p1);
162	<	} catch(Exception e){
163	<	unexpectedException();
148	>	public void testFixedRateSequence() throws InterruptedException {
149	>	final 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	>	await(done);
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	<	joinPool(p1);
186	<	} catch(Exception e){
187	<	unexpectedException();
174	>	public void testFixedDelaySequence() throws InterruptedException {
175	>	final 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	>	await(done);
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
173	–
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){}
184	<	catch(Exception e){
185	<	unexpectedException();
200	>	public void testExecuteNull() throws InterruptedException {
201	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
202	>	try (PoolCleaner cleaner = cleaner(p)) {
203	>	try {
204	>	p.execute(null);
205	>	shouldThrow();
206	>	} catch (NullPointerException success) {}
207		}
187	–
188	–	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){
202	<	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		}
204	–	joinPool(se);
222		}
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	>	final 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		}
220	–
221	–	joinPool(se);
222	–
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	>	final 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		}
238	–	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	>	final 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		}
254	–	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) {
273	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
274	>	*/
275	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
276	>	final 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		}
270	–	joinPool(se);
286		}
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) {
291	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
292	>	final 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		}
286	–	joinPool(se);
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();
305	>	* getActiveCount increases but doesn't overestimate, when a
306	>	* thread becomes active
307	>	*/
308	>	public void testGetActiveCount() throws InterruptedException {
309	>	final CountDownLatch done = new CountDownLatch(1);
310	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
311	>	try (PoolCleaner cleaner = cleaner(p, done)) {
312	>	final CountDownLatch threadStarted = 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	>	await(done);
319	>	}});
320	>	await(threadStarted);
321	>	assertEquals(1, p.getActiveCount());
322		}
302	–	assertEquals(1, p2.getActiveCount());
303	–	joinPool(p2);
323		}
324
325		/**
326	<	*    getCompletedTaskCount increases, but doesn't overestimate,
327	<	*   when tasks complete
328	<	*/
329	<	public void testGetCompletedTaskCount() {
330	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
331	<	assertEquals(0, p2.getCompletedTaskCount());
332	<	p2.execute(new SmallRunnable());
333	<	try {
334	<	Thread.sleep(MEDIUM_DELAY_MS);
335	<	} catch(Exception e){
336	<	unexpectedException();
337	<	}
338	<	assertEquals(1, p2.getCompletedTaskCount());
339	<	joinPool(p2);
340	<	}
341	<
342	<	/**
343	<	*  getCorePoolSize returns size given in constructor if not otherwise set
344	<	*/
345	<	public void testGetCorePoolSize() {
346	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
347	<	assertEquals(1, p1.getCorePoolSize());
348	<	joinPool(p1);
349	<	}
350	<
351	<	/**
352	<	*    getLargestPoolSize increases, but doesn't overestimate, when
334	<	*   multiple threads active
335	<	*/
336	<	public void testGetLargestPoolSize() {
337	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
338	<	assertEquals(0, p2.getLargestPoolSize());
339	<	p2.execute(new SmallRunnable());
340	<	p2.execute(new SmallRunnable());
341	<	try {
342	<	Thread.sleep(SHORT_DELAY_MS);
343	<	} catch(Exception e){
344	<	unexpectedException();
326	>	* getCompletedTaskCount increases, but doesn't overestimate,
327	>	* when tasks complete
328	>	*/
329	>	public void testGetCompletedTaskCount() throws InterruptedException {
330	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
331	>	try (PoolCleaner cleaner = cleaner(p)) {
332	>	final CountDownLatch threadStarted = new CountDownLatch(1);
333	>	final CountDownLatch threadProceed = new CountDownLatch(1);
334	>	final CountDownLatch threadDone = new CountDownLatch(1);
335	>	assertEquals(0, p.getCompletedTaskCount());
336	>	p.execute(new CheckedRunnable() {
337	>	public void realRun() throws InterruptedException {
338	>	threadStarted.countDown();
339	>	assertEquals(0, p.getCompletedTaskCount());
340	>	threadProceed.await();
341	>	threadDone.countDown();
342	>	}});
343	>	await(threadStarted);
344	>	assertEquals(0, p.getCompletedTaskCount());
345	>	threadProceed.countDown();
346	>	threadDone.await();
347	>	long startTime = System.nanoTime();
348	>	while (p.getCompletedTaskCount() != 1) {
349	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
350	>	fail("timed out");
351	>	Thread.yield();
352	>	}
353		}
346	–	assertEquals(2, p2.getLargestPoolSize());
347	–	joinPool(p2);
348	–	}
349	–
350	–	/**
351	–	*   getPoolSize increases, but doesn't overestimate, when threads
352	–	*   become active
353	–	*/
354	–	public void testGetPoolSize() {
355	–	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
356	–	assertEquals(0, p1.getPoolSize());
357	–	p1.execute(new SmallRunnable());
358	–	assertEquals(1, p1.getPoolSize());
359	–	joinPool(p1);
354		}
355
356		/**
357	<	*    getTaskCount increases, but doesn't overestimate, when tasks
364	<	*    submitted
357	>	* getCorePoolSize returns size given in constructor if not otherwise set
358		*/
359	<	public void testGetTaskCount() {
360	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
361	<	assertEquals(0, p1.getTaskCount());
362	<	for(int i = 0; i < 5; i++)
363	<	p1.execute(new SmallRunnable());
364	<	try {
365	<	Thread.sleep(SHORT_DELAY_MS);
366	<	} catch(Exception e){
367	<	unexpectedException();
359	>	public void testGetCorePoolSize() throws InterruptedException {
360	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
361	>	try (PoolCleaner cleaner = cleaner(p)) {
362	>	assertEquals(1, p.getCorePoolSize());
363	>	}
364	>	}
365	>
366	>	/**
367	>	* getLargestPoolSize increases, but doesn't overestimate, when
368	>	* multiple threads active
369	>	*/
370	>	public void testGetLargestPoolSize() throws InterruptedException {
371	>	final int THREADS = 3;
372	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
373	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
374	>	final CountDownLatch done = new CountDownLatch(1);
375	>	try (PoolCleaner cleaner = cleaner(p, done)) {
376	>	assertEquals(0, p.getLargestPoolSize());
377	>	for (int i = 0; i < THREADS; i++)
378	>	p.execute(new CheckedRunnable() {
379	>	public void realRun() throws InterruptedException {
380	>	threadsStarted.countDown();
381	>	await(done);
382	>	assertEquals(THREADS, p.getLargestPoolSize());
383	>	}});
384	>	await(threadsStarted);
385	>	assertEquals(THREADS, p.getLargestPoolSize());
386	>	}
387	>	assertEquals(THREADS, p.getLargestPoolSize());
388	>	}
389	>
390	>	/**
391	>	* getPoolSize increases, but doesn't overestimate, when threads
392	>	* become active
393	>	*/
394	>	public void testGetPoolSize() throws InterruptedException {
395	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
396	>	final CountDownLatch threadStarted = new CountDownLatch(1);
397	>	final CountDownLatch done = new CountDownLatch(1);
398	>	try (PoolCleaner cleaner = cleaner(p, done)) {
399	>	assertEquals(0, p.getPoolSize());
400	>	p.execute(new CheckedRunnable() {
401	>	public void realRun() throws InterruptedException {
402	>	threadStarted.countDown();
403	>	assertEquals(1, p.getPoolSize());
404	>	await(done);
405	>	}});
406	>	await(threadStarted);
407	>	assertEquals(1, p.getPoolSize());
408	>	}
409	>	}
410	>
411	>	/**
412	>	* getTaskCount increases, but doesn't overestimate, when tasks
413	>	* submitted
414	>	*/
415	>	public void testGetTaskCount() throws InterruptedException {
416	>	final int TASKS = 3;
417	>	final CountDownLatch done = new CountDownLatch(1);
418	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
419	>	try (PoolCleaner cleaner = cleaner(p, done)) {
420	>	final CountDownLatch threadStarted = new CountDownLatch(1);
421	>	assertEquals(0, p.getTaskCount());
422	>	assertEquals(0, p.getCompletedTaskCount());
423	>	p.execute(new CheckedRunnable() {
424	>	public void realRun() throws InterruptedException {
425	>	threadStarted.countDown();
426	>	await(done);
427	>	}});
428	>	await(threadStarted);
429	>	assertEquals(1, p.getTaskCount());
430	>	assertEquals(0, p.getCompletedTaskCount());
431	>	for (int i = 0; i < TASKS; i++) {
432	>	assertEquals(1 + i, p.getTaskCount());
433	>	p.execute(new CheckedRunnable() {
434	>	public void realRun() throws InterruptedException {
435	>	threadStarted.countDown();
436	>	assertEquals(1 + TASKS, p.getTaskCount());
437	>	await(done);
438	>	}});
439	>	}
440	>	assertEquals(1 + TASKS, p.getTaskCount());
441	>	assertEquals(0, p.getCompletedTaskCount());
442		}
443	<	assertEquals(5, p1.getTaskCount());
444	<	joinPool(p1);
443	>	assertEquals(1 + TASKS, p.getTaskCount());
444	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
445		}
446
447		/**
448		* getThreadFactory returns factory in constructor if not set
449		*/
450	<	public void testGetThreadFactory() {
451	<	ThreadFactory tf = new SimpleThreadFactory();
452	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
453	<	assertSame(tf, p.getThreadFactory());
454	<	joinPool(p);
450	>	public void testGetThreadFactory() throws InterruptedException {
451	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
452	>	final ScheduledThreadPoolExecutor p =
453	>	new ScheduledThreadPoolExecutor(1, threadFactory);
454	>	try (PoolCleaner cleaner = cleaner(p)) {
455	>	assertSame(threadFactory, p.getThreadFactory());
456	>	}
457		}
458
459		/**
460		* setThreadFactory sets the thread factory returned by getThreadFactory
461		*/
462	<	public void testSetThreadFactory() {
463	<	ThreadFactory tf = new SimpleThreadFactory();
464	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
465	<	p.setThreadFactory(tf);
466	<	assertSame(tf, p.getThreadFactory());
467	<	joinPool(p);
462	>	public void testSetThreadFactory() throws InterruptedException {
463	>	ThreadFactory threadFactory = new SimpleThreadFactory();
464	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
465	>	try (PoolCleaner cleaner = cleaner(p)) {
466	>	p.setThreadFactory(threadFactory);
467	>	assertSame(threadFactory, p.getThreadFactory());
468	>	}
469		}
470
471		/**
472		* setThreadFactory(null) throws NPE
473		*/
474	<	public void testSetThreadFactoryNull() {
475	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
476	<	try {
477	<	p.setThreadFactory(null);
478	<	shouldThrow();
479	<	} catch (NullPointerException success) {
480	<	} finally {
411	<	joinPool(p);
474	>	public void testSetThreadFactoryNull() throws InterruptedException {
475	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
476	>	try (PoolCleaner cleaner = cleaner(p)) {
477	>	try {
478	>	p.setThreadFactory(null);
479	>	shouldThrow();
480	>	} catch (NullPointerException success) {}
481		}
482		}
483
484		/**
485	<	*   is isShutDown is false before shutdown, true after
485	>	* isShutdown is false before shutdown, true after
486		*/
487		public void testIsShutdown() {
488
489	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
489	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
490		try {
491	<	assertFalse(p1.isShutdown());
491	>	assertFalse(p.isShutdown());
492		}
493		finally {
494	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
494	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
495		}
496	<	assertTrue(p1.isShutdown());
496	>	assertTrue(p.isShutdown());
497		}
498
430	–
499		/**
500	<	*   isTerminated is false before termination, true after
500	>	* isTerminated is false before termination, true after
501		*/
502	<	public void testIsTerminated() {
503	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
504	<	try {
505	<	p1.execute(new SmallRunnable());
506	<	} finally {
507	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
508	<	}
509	<	try {
510	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
511	<	assertTrue(p1.isTerminated());
512	<	} catch(Exception e){
513	<	unexpectedException();
502	>	public void testIsTerminated() throws InterruptedException {
503	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
504	>	try (PoolCleaner cleaner = cleaner(p)) {
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
507	>	assertFalse(p.isTerminated());
508	>	p.execute(new CheckedRunnable() {
509	>	public void realRun() throws InterruptedException {
510	>	assertFalse(p.isTerminated());
511	>	threadStarted.countDown();
512	>	await(done);
513	>	}});
514	>	await(threadStarted);
515	>	assertFalse(p.isTerminating());
516	>	done.countDown();
517	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	>	assertTrue(p.isTerminated());
520		}
521		}
522
523		/**
524	<	*  isTerminating is not true when running or when terminated
525	<	*/
526	<	public void testIsTerminating() {
527	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
528	<	assertFalse(p1.isTerminating());
529	<	try {
530	<	p1.execute(new SmallRunnable());
531	<	assertFalse(p1.isTerminating());
532	<	} finally {
533	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
534	<	}
535	<	try {
536	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
537	<	assertTrue(p1.isTerminated());
538	<	assertFalse(p1.isTerminating());
539	<	} catch(Exception e){
540	<	unexpectedException();
524	>	* isTerminating is not true when running or when terminated
525	>	*/
526	>	public void testIsTerminating() throws InterruptedException {
527	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
528	>	final CountDownLatch threadStarted = new CountDownLatch(1);
529	>	final CountDownLatch done = new CountDownLatch(1);
530	>	try (PoolCleaner cleaner = cleaner(p)) {
531	>	assertFalse(p.isTerminating());
532	>	p.execute(new CheckedRunnable() {
533	>	public void realRun() throws InterruptedException {
534	>	assertFalse(p.isTerminating());
535	>	threadStarted.countDown();
536	>	await(done);
537	>	}});
538	>	await(threadStarted);
539	>	assertFalse(p.isTerminating());
540	>	done.countDown();
541	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
542	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
543	>	assertTrue(p.isTerminated());
544	>	assertFalse(p.isTerminating());
545		}
546		}
547
548		/**
549		* getQueue returns the work queue, which contains queued tasks
550		*/
551	<	public void testGetQueue() {
552	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
553	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
554	<	for(int i = 0; i < 5; i++){
555	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
556	<	}
557	<	try {
558	<	Thread.sleep(SHORT_DELAY_MS);
559	<	BlockingQueue<Runnable> q = p1.getQueue();
560	<	assertTrue(q.contains(tasks[4]));
551	>	public void testGetQueue() throws InterruptedException {
552	>	final CountDownLatch done = new CountDownLatch(1);
553	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
554	>	try (PoolCleaner cleaner = cleaner(p, done)) {
555	>	final CountDownLatch threadStarted = new CountDownLatch(1);
556	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
557	>	for (int i = 0; i < tasks.length; i++) {
558	>	Runnable r = new CheckedRunnable() {
559	>	public void realRun() throws InterruptedException {
560	>	threadStarted.countDown();
561	>	await(done);
562	>	}};
563	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
564	>	}
565	>	await(threadStarted);
566	>	BlockingQueue<Runnable> q = p.getQueue();
567	>	assertTrue(q.contains(tasks[tasks.length - 1]));
568		assertFalse(q.contains(tasks[0]));
484	–	} catch(Exception e) {
485	–	unexpectedException();
486	–	} finally {
487	–	joinPool(p1);
569		}
570		}
571
572		/**
573		* remove(task) removes queued task, and fails to remove active task
574		*/
575	<	public void testRemove() {
576	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
577	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
578	<	for(int i = 0; i < 5; i++){
579	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
580	<	}
581	<	try {
582	<	Thread.sleep(SHORT_DELAY_MS);
583	<	BlockingQueue<Runnable> q = p1.getQueue();
584	<	assertFalse(p1.remove((Runnable)tasks[0]));
575	>	public void testRemove() throws InterruptedException {
576	>	final CountDownLatch done = new CountDownLatch(1);
577	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
578	>	try (PoolCleaner cleaner = cleaner(p, done)) {
579	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
580	>	final CountDownLatch threadStarted = new CountDownLatch(1);
581	>	for (int i = 0; i < tasks.length; i++) {
582	>	Runnable r = new CheckedRunnable() {
583	>	public void realRun() throws InterruptedException {
584	>	threadStarted.countDown();
585	>	await(done);
586	>	}};
587	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
588	>	}
589	>	await(threadStarted);
590	>	BlockingQueue<Runnable> q = p.getQueue();
591	>	assertFalse(p.remove((Runnable)tasks[0]));
592		assertTrue(q.contains((Runnable)tasks[4]));
593		assertTrue(q.contains((Runnable)tasks[3]));
594	<	assertTrue(p1.remove((Runnable)tasks[4]));
595	<	assertFalse(p1.remove((Runnable)tasks[4]));
594	>	assertTrue(p.remove((Runnable)tasks[4]));
595	>	assertFalse(p.remove((Runnable)tasks[4]));
596		assertFalse(q.contains((Runnable)tasks[4]));
597		assertTrue(q.contains((Runnable)tasks[3]));
598	<	assertTrue(p1.remove((Runnable)tasks[3]));
598	>	assertTrue(p.remove((Runnable)tasks[3]));
599		assertFalse(q.contains((Runnable)tasks[3]));
512	–	} catch(Exception e) {
513	–	unexpectedException();
514	–	} finally {
515	–	joinPool(p1);
600		}
601		}
602
603		/**
604	<	*  purge removes cancelled tasks from the queue
604	>	* purge eventually removes cancelled tasks from the queue
605		*/
606	<	public void testPurge() {
607	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
608	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
609	<	for(int i = 0; i < 5; i++){
610	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
611	<	}
612	<	try {
613	<	int max = 5;
606	>	public void testPurge() throws InterruptedException {
607	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
608	>	final Runnable releaser = new Runnable() { public void run() {
609	>	for (ScheduledFuture task : tasks)
610	>	if (task != null) task.cancel(true); }};
611	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
612	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
613	>	for (int i = 0; i < tasks.length; i++)
614	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
615	>	LONG_DELAY_MS, MILLISECONDS);
616	>	int max = tasks.length;
617		if (tasks[4].cancel(true)) --max;
618		if (tasks[3].cancel(true)) --max;
619		// There must eventually be an interference-free point at
620		// which purge will not fail. (At worst, when queue is empty.)
621	<	int k;
622	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
623	<	p1.purge();
624	<	long count = p1.getTaskCount();
625	<	if (count >= 0 && count <= max)
626	<	break;
627	<	Thread.sleep(1);
628	<	}
542	<	assertTrue(k < SMALL_DELAY_MS);
543	<	} catch(Exception e) {
544	<	unexpectedException();
545	<	} finally {
546	<	joinPool(p1);
621	>	long startTime = System.nanoTime();
622	>	do {
623	>	p.purge();
624	>	long count = p.getTaskCount();
625	>	if (count == max)
626	>	return;
627	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
628	>	fail("Purge failed to remove cancelled tasks");
629		}
630		}
631
632		/**
633	<	*  shutDownNow returns a list containing tasks that were not run
634	<	*/
635	<	public void testShutDownNow() {
636	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
637	<	for(int i = 0; i < 5; i++)
638	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
639	<	List l;
633	>	* shutdownNow returns a list containing tasks that were not run,
634	>	* and those tasks are drained from the queue
635	>	*/
636	>	public void testShutdownNow() throws InterruptedException {
637	>	final int poolSize = 2;
638	>	final int count = 5;
639	>	final AtomicInteger ran = new AtomicInteger(0);
640	>	final ScheduledThreadPoolExecutor p =
641	>	new ScheduledThreadPoolExecutor(poolSize);
642	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
643	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
644	>	threadsStarted.countDown();
645	>	try {
646	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
647	>	} catch (InterruptedException success) {}
648	>	ran.getAndIncrement();
649	>	}};
650	>	for (int i = 0; i < count; i++)
651	>	p.execute(waiter);
652	>	await(threadsStarted);
653	>	assertEquals(poolSize, p.getActiveCount());
654	>	assertEquals(0, p.getCompletedTaskCount());
655	>	final List<Runnable> queuedTasks;
656		try {
657	<	l = p1.shutdownNow();
657	>	queuedTasks = p.shutdownNow();
658		} catch (SecurityException ok) {
659	<	return;
659	>	return; // Allowed in case test doesn't have privs
660		}
661	<	assertTrue(p1.isShutdown());
662	<	assertTrue(l.size() > 0 && l.size() <= 5);
663	<	joinPool(p1);
661	>	assertTrue(p.isShutdown());
662	>	assertTrue(p.getQueue().isEmpty());
663	>	assertEquals(count - poolSize, queuedTasks.size());
664	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
665	>	assertTrue(p.isTerminated());
666	>	assertEquals(poolSize, ran.get());
667	>	assertEquals(poolSize, p.getCompletedTaskCount());
668		}
669
670		/**
671	<	* In default setting, shutdown cancels periodic but not delayed
672	<	* tasks at shutdown
673	<	*/
674	<	public void testShutDown1() {
675	<	try {
676	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
677	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
678	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
679	<
680	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
681	<	for(int i = 0; i < 5; i++)
682	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
683	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
684	<	BlockingQueue q = p1.getQueue();
685	<	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() {
671	>	* shutdownNow returns a list containing tasks that were not run,
672	>	* and those tasks are drained from the queue
673	>	*/
674	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
675	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
676	>	List<ScheduledFuture> tasks = new ArrayList<>();
677	>	for (int i = 0; i < 3; i++) {
678	>	Runnable r = new NoOpRunnable();
679	>	tasks.add(p.schedule(r, 9, SECONDS));
680	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
681	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
682	>	}
683	>	if (testImplementationDetails)
684	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
685	>	final List<Runnable> queuedTasks;
686		try {
687	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
688	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
689	<	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() {
630	<	try {
631	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
632	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
633	<	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());
687	>	queuedTasks = p.shutdownNow();
688	>	} catch (SecurityException ok) {
689	>	return; // Allowed in case test doesn't have privs
690		}
691	<	catch(Exception ex) {
692	<	unexpectedException();
691	>	assertTrue(p.isShutdown());
692	>	assertTrue(p.getQueue().isEmpty());
693	>	if (testImplementationDetails)
694	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
695	>	assertEquals(tasks.size(), queuedTasks.size());
696	>	for (ScheduledFuture task : tasks) {
697	>	assertFalse(task.isDone());
698	>	assertFalse(task.isCancelled());
699		}
700	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
701	+	assertTrue(p.isTerminated());
702		}
703
704		/**
705	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
706	<	* periodic tasks are cancelled at shutdown
707	<	*/
708	<	public void testShutDown4() {
709	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
710	<	try {
711	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
712	<	ScheduledFuture task =
713	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
714	<	assertFalse(task.isCancelled());
715	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
716	<	assertFalse(task.isCancelled());
717	<	assertFalse(p1.isTerminated());
718	<	assertTrue(p1.isShutdown());
719	<	Thread.sleep(SHORT_DELAY_MS);
720	<	assertFalse(task.isCancelled());
721	<	assertTrue(task.cancel(true));
722	<	assertTrue(task.isDone());
723	<	Thread.sleep(SHORT_DELAY_MS);
724	<	assertTrue(p1.isTerminated());
725	<	}
726	<	catch(Exception ex) {
727	<	unexpectedException();
705	>	* By default, periodic tasks are cancelled at shutdown.
706	>	* By default, delayed tasks keep running after shutdown.
707	>	* Check that changing the default values work:
708	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
709	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
710	>	*/
711	>	public void testShutdown_cancellation() throws Exception {
712	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
713	>	for (Boolean policy : allBooleans)
714	>	{
715	>	final int poolSize = 2;
716	>	final ScheduledThreadPoolExecutor p
717	>	= new ScheduledThreadPoolExecutor(poolSize);
718	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
719	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
720	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
721	>	if (policy != null) {
722	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
723	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
724	>	p.setRemoveOnCancelPolicy(policy);
725	>	}
726	>	assertEquals(effectiveDelayedPolicy,
727	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
728	>	assertEquals(effectivePeriodicPolicy,
729	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
730	>	assertEquals(effectiveRemovePolicy,
731	>	p.getRemoveOnCancelPolicy());
732	>	// Strategy: Wedge the pool with poolSize "blocker" threads
733	>	final AtomicInteger ran = new AtomicInteger(0);
734	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
735	>	final CountDownLatch unblock = new CountDownLatch(1);
736	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
737	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
738	>	Runnable task = new CheckedRunnable() { public void realRun()
739	>	throws InterruptedException {
740	>	poolBlocked.countDown();
741	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
742	>	ran.getAndIncrement();
743	>	}};
744	>	List<Future<?>> blockers = new ArrayList<>();
745	>	List<Future<?>> periodics = new ArrayList<>();
746	>	List<Future<?>> delayeds = new ArrayList<>();
747	>	for (int i = 0; i < poolSize; i++)
748	>	blockers.add(p.submit(task));
749	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
750	>
751	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
752	>	1, 1, MILLISECONDS));
753	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
754	>	1, 1, MILLISECONDS));
755	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
756	>
757	>	assertTrue(p.getQueue().containsAll(periodics));
758	>	assertTrue(p.getQueue().containsAll(delayeds));
759	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
760	>	assertTrue(p.isShutdown());
761	>	assertFalse(p.isTerminated());
762	>	for (Future<?> periodic : periodics) {
763	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
764	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
765	>	}
766	>	for (Future<?> delayed : delayeds) {
767	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
768	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
769	>	}
770	>	if (testImplementationDetails) {
771	>	assertEquals(effectivePeriodicPolicy,
772	>	p.getQueue().containsAll(periodics));
773	>	assertEquals(effectiveDelayedPolicy,
774	>	p.getQueue().containsAll(delayeds));
775	>	}
776	>	// Release all pool threads
777	>	unblock.countDown();
778	>
779	>	for (Future<?> delayed : delayeds) {
780	>	if (effectiveDelayedPolicy) {
781	>	assertNull(delayed.get());
782	>	}
783		}
784	<	finally {
785	<	joinPool(p1);
784	>	if (effectivePeriodicPolicy) {
785	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
786	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
787	>	for (Future<?> periodic : periodics) {
788	>	assertTrue(periodic.cancel(false));
789	>	assertTrue(periodic.isCancelled());
790	>	assertTrue(periodic.isDone());
791	>	}
792		}
793	<	}
793	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
794	>	assertTrue(p.isTerminated());
795	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
796	>	}}
797
798		/**
799		* completed submit of callable returns result
800		*/
801	<	public void testSubmitCallable() {
802	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
803	<	try {
801	>	public void testSubmitCallable() throws Exception {
802	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
803	>	try (PoolCleaner cleaner = cleaner(e)) {
804		Future<String> future = e.submit(new StringTask());
805		String result = future.get();
806		assertSame(TEST_STRING, result);
807		}
687	–	catch (ExecutionException ex) {
688	–	unexpectedException();
689	–	}
690	–	catch (InterruptedException ex) {
691	–	unexpectedException();
692	–	} finally {
693	–	joinPool(e);
694	–	}
808		}
809
810		/**
811		* completed submit of runnable returns successfully
812		*/
813	<	public void testSubmitRunnable() {
814	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
815	<	try {
813	>	public void testSubmitRunnable() throws Exception {
814	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
815	>	try (PoolCleaner cleaner = cleaner(e)) {
816		Future<?> future = e.submit(new NoOpRunnable());
817		future.get();
818		assertTrue(future.isDone());
819		}
707	–	catch (ExecutionException ex) {
708	–	unexpectedException();
709	–	}
710	–	catch (InterruptedException ex) {
711	–	unexpectedException();
712	–	} finally {
713	–	joinPool(e);
714	–	}
820		}
821
822		/**
823		* completed submit of (runnable, result) returns result
824		*/
825	<	public void testSubmitRunnable2() {
826	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
827	<	try {
825	>	public void testSubmitRunnable2() throws Exception {
826	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
827	>	try (PoolCleaner cleaner = cleaner(e)) {
828		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
829		String result = future.get();
830		assertSame(TEST_STRING, result);
831		}
727	–	catch (ExecutionException ex) {
728	–	unexpectedException();
729	–	}
730	–	catch (InterruptedException ex) {
731	–	unexpectedException();
732	–	} finally {
733	–	joinPool(e);
734	–	}
832		}
833
834		/**
835		* invokeAny(null) throws NPE
836		*/
837	<	public void testInvokeAny1() {
838	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
839	<	try {
840	<	e.invokeAny(null);
841	<	} catch (NullPointerException success) {
842	<	} catch(Exception ex) {
843	<	unexpectedException();
747	<	} finally {
748	<	joinPool(e);
837	>	public void testInvokeAny1() throws Exception {
838	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
839	>	try (PoolCleaner cleaner = cleaner(e)) {
840	>	try {
841	>	e.invokeAny(null);
842	>	shouldThrow();
843	>	} catch (NullPointerException success) {}
844		}
845		}
846
847		/**
848		* invokeAny(empty collection) throws IAE
849		*/
850	<	public void testInvokeAny2() {
851	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
852	<	try {
853	<	e.invokeAny(new ArrayList<Callable<String>>());
854	<	} catch (IllegalArgumentException success) {
855	<	} catch(Exception ex) {
856	<	unexpectedException();
762	<	} finally {
763	<	joinPool(e);
850	>	public void testInvokeAny2() throws Exception {
851	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
852	>	try (PoolCleaner cleaner = cleaner(e)) {
853	>	try {
854	>	e.invokeAny(new ArrayList<Callable<String>>());
855	>	shouldThrow();
856	>	} catch (IllegalArgumentException success) {}
857		}
858		}
859
860		/**
861		* invokeAny(c) throws NPE if c has null elements
862		*/
863	<	public void testInvokeAny3() {
864	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
865	<	try {
866	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
867	<	l.add(new StringTask());
863	>	public void testInvokeAny3() throws Exception {
864	>	CountDownLatch latch = new CountDownLatch(1);
865	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
866	>	try (PoolCleaner cleaner = cleaner(e)) {
867	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
868	>	l.add(latchAwaitingStringTask(latch));
869		l.add(null);
870	<	e.invokeAny(l);
871	<	} catch (NullPointerException success) {
872	<	} catch(Exception ex) {
873	<	unexpectedException();
874	<	} finally {
781	<	joinPool(e);
870	>	try {
871	>	e.invokeAny(l);
872	>	shouldThrow();
873	>	} catch (NullPointerException success) {}
874	>	latch.countDown();
875		}
876		}
877
878		/**
879		* invokeAny(c) throws ExecutionException if no task completes
880		*/
881	<	public void testInvokeAny4() {
882	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
883	<	try {
884	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
881	>	public void testInvokeAny4() throws Exception {
882	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
883	>	try (PoolCleaner cleaner = cleaner(e)) {
884	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
885		l.add(new NPETask());
886	<	e.invokeAny(l);
887	<	} catch (ExecutionException success) {
888	<	} catch(Exception ex) {
889	<	unexpectedException();
890	<	} finally {
891	<	joinPool(e);
886	>	try {
887	>	e.invokeAny(l);
888	>	shouldThrow();
889	>	} catch (ExecutionException success) {
890	>	assertTrue(success.getCause() instanceof NullPointerException);
891	>	}
892		}
893		}
894
895		/**
896		* invokeAny(c) returns result of some task
897		*/
898	<	public void testInvokeAny5() {
899	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
900	<	try {
901	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
898	>	public void testInvokeAny5() throws Exception {
899	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
900	>	try (PoolCleaner cleaner = cleaner(e)) {
901	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
902		l.add(new StringTask());
903		l.add(new StringTask());
904		String result = e.invokeAny(l);
905		assertSame(TEST_STRING, result);
813	–	} catch (ExecutionException success) {
814	–	} catch(Exception ex) {
815	–	unexpectedException();
816	–	} finally {
817	–	joinPool(e);
906		}
907		}
908
909		/**
910		* invokeAll(null) throws NPE
911		*/
912	<	public void testInvokeAll1() {
913	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
914	<	try {
915	<	e.invokeAll(null);
916	<	} catch (NullPointerException success) {
917	<	} catch(Exception ex) {
918	<	unexpectedException();
831	<	} finally {
832	<	joinPool(e);
912	>	public void testInvokeAll1() throws Exception {
913	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
914	>	try (PoolCleaner cleaner = cleaner(e)) {
915	>	try {
916	>	e.invokeAll(null);
917	>	shouldThrow();
918	>	} catch (NullPointerException success) {}
919		}
920		}
921
922		/**
923		* invokeAll(empty collection) returns empty collection
924		*/
925	<	public void testInvokeAll2() {
926	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
927	<	try {
925	>	public void testInvokeAll2() throws Exception {
926	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
927	>	try (PoolCleaner cleaner = cleaner(e)) {
928		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
929		assertTrue(r.isEmpty());
844	–	} catch(Exception ex) {
845	–	unexpectedException();
846	–	} finally {
847	–	joinPool(e);
930		}
931		}
932
933		/**
934		* invokeAll(c) throws NPE if c has null elements
935		*/
936	<	public void testInvokeAll3() {
937	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
938	<	try {
939	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
936	>	public void testInvokeAll3() throws Exception {
937	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
938	>	try (PoolCleaner cleaner = cleaner(e)) {
939	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
940		l.add(new StringTask());
941		l.add(null);
942	<	e.invokeAll(l);
943	<	} catch (NullPointerException success) {
944	<	} catch(Exception ex) {
945	<	unexpectedException();
864	<	} finally {
865	<	joinPool(e);
942	>	try {
943	>	e.invokeAll(l);
944	>	shouldThrow();
945	>	} catch (NullPointerException success) {}
946		}
947		}
948
949		/**
950		* get of invokeAll(c) throws exception on failed task
951		*/
952	<	public void testInvokeAll4() {
953	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
954	<	try {
955	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
952	>	public void testInvokeAll4() throws Exception {
953	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
954	>	try (PoolCleaner cleaner = cleaner(e)) {
955	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
956		l.add(new NPETask());
957	<	List<Future<String>> result = e.invokeAll(l);
958	<	assertEquals(1, result.size());
959	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
960	<	it.next().get();
961	<	} catch(ExecutionException success) {
962	<	} catch(Exception ex) {
963	<	unexpectedException();
964	<	} finally {
885	<	joinPool(e);
957	>	List<Future<String>> futures = e.invokeAll(l);
958	>	assertEquals(1, futures.size());
959	>	try {
960	>	futures.get(0).get();
961	>	shouldThrow();
962	>	} catch (ExecutionException success) {
963	>	assertTrue(success.getCause() instanceof NullPointerException);
964	>	}
965		}
966		}
967
968		/**
969		* invokeAll(c) returns results of all completed tasks
970		*/
971	<	public void testInvokeAll5() {
972	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
973	<	try {
974	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
971	>	public void testInvokeAll5() throws Exception {
972	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
973	>	try (PoolCleaner cleaner = cleaner(e)) {
974	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
975		l.add(new StringTask());
976		l.add(new StringTask());
977	<	List<Future<String>> result = e.invokeAll(l);
978	<	assertEquals(2, result.size());
979	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
980	<	assertSame(TEST_STRING, it.next().get());
902	<	} catch (ExecutionException success) {
903	<	} catch(Exception ex) {
904	<	unexpectedException();
905	<	} finally {
906	<	joinPool(e);
977	>	List<Future<String>> futures = e.invokeAll(l);
978	>	assertEquals(2, futures.size());
979	>	for (Future<String> future : futures)
980	>	assertSame(TEST_STRING, future.get());
981		}
982		}
983
984		/**
985		* timed invokeAny(null) throws NPE
986		*/
987	<	public void testTimedInvokeAny1() {
988	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
989	<	try {
990	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
991	<	} catch (NullPointerException success) {
992	<	} catch(Exception ex) {
993	<	unexpectedException();
920	<	} finally {
921	<	joinPool(e);
987	>	public void testTimedInvokeAny1() throws Exception {
988	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
989	>	try (PoolCleaner cleaner = cleaner(e)) {
990	>	try {
991	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
992	>	shouldThrow();
993	>	} catch (NullPointerException success) {}
994		}
995		}
996
997		/**
998		* timed invokeAny(,,null) throws NPE
999		*/
1000	<	public void testTimedInvokeAnyNullTimeUnit() {
1001	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1002	<	try {
1003	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1000	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1001	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1002	>	try (PoolCleaner cleaner = cleaner(e)) {
1003	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1004		l.add(new StringTask());
1005	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1006	<	} catch (NullPointerException success) {
1007	<	} catch(Exception ex) {
1008	<	unexpectedException();
937	<	} finally {
938	<	joinPool(e);
1005	>	try {
1006	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1007	>	shouldThrow();
1008	>	} catch (NullPointerException success) {}
1009		}
1010		}
1011
1012		/**
1013		* timed invokeAny(empty collection) throws IAE
1014		*/
1015	<	public void testTimedInvokeAny2() {
1016	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1017	<	try {
1018	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1019	<	} catch (IllegalArgumentException success) {
1020	<	} catch(Exception ex) {
1021	<	unexpectedException();
952	<	} finally {
953	<	joinPool(e);
1015	>	public void testTimedInvokeAny2() throws Exception {
1016	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1017	>	try (PoolCleaner cleaner = cleaner(e)) {
1018	>	try {
1019	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1020	>	shouldThrow();
1021	>	} catch (IllegalArgumentException success) {}
1022		}
1023		}
1024
1025		/**
1026		* timed invokeAny(c) throws NPE if c has null elements
1027		*/
1028	<	public void testTimedInvokeAny3() {
1029	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1030	<	try {
1031	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1032	<	l.add(new StringTask());
1028	>	public void testTimedInvokeAny3() throws Exception {
1029	>	CountDownLatch latch = new CountDownLatch(1);
1030	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1031	>	try (PoolCleaner cleaner = cleaner(e)) {
1032	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1033	>	l.add(latchAwaitingStringTask(latch));
1034		l.add(null);
1035	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1036	<	} catch (NullPointerException success) {
1037	<	} catch(Exception ex) {
1038	<	ex.printStackTrace();
1039	<	unexpectedException();
971	<	} finally {
972	<	joinPool(e);
1035	>	try {
1036	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1037	>	shouldThrow();
1038	>	} catch (NullPointerException success) {}
1039	>	latch.countDown();
1040		}
1041		}
1042
1043		/**
1044		* timed invokeAny(c) throws ExecutionException if no task completes
1045		*/
1046	<	public void testTimedInvokeAny4() {
1047	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1048	<	try {
1049	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1046	>	public void testTimedInvokeAny4() throws Exception {
1047	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1048	>	try (PoolCleaner cleaner = cleaner(e)) {
1049	>	long startTime = System.nanoTime();
1050	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1051		l.add(new NPETask());
1052	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1053	<	} catch(ExecutionException success) {
1054	<	} catch(Exception ex) {
1055	<	unexpectedException();
1056	<	} finally {
1057	<	joinPool(e);
1052	>	try {
1053	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1054	>	shouldThrow();
1055	>	} catch (ExecutionException success) {
1056	>	assertTrue(success.getCause() instanceof NullPointerException);
1057	>	}
1058	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1059		}
1060		}
1061
1062		/**
1063		* timed invokeAny(c) returns result of some task
1064		*/
1065	<	public void testTimedInvokeAny5() {
1066	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1067	<	try {
1068	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1065	>	public void testTimedInvokeAny5() throws Exception {
1066	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1067	>	try (PoolCleaner cleaner = cleaner(e)) {
1068	>	long startTime = System.nanoTime();
1069	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1070		l.add(new StringTask());
1071		l.add(new StringTask());
1072	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1072	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1073		assertSame(TEST_STRING, result);
1074	<	} catch (ExecutionException success) {
1005	<	} catch(Exception ex) {
1006	<	unexpectedException();
1007	<	} finally {
1008	<	joinPool(e);
1074	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1075		}
1076		}
1077
1078		/**
1079		* timed invokeAll(null) throws NPE
1080		*/
1081	<	public void testTimedInvokeAll1() {
1082	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1083	<	try {
1084	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1085	<	} catch (NullPointerException success) {
1086	<	} catch(Exception ex) {
1087	<	unexpectedException();
1022	<	} finally {
1023	<	joinPool(e);
1081	>	public void testTimedInvokeAll1() throws Exception {
1082	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1083	>	try (PoolCleaner cleaner = cleaner(e)) {
1084	>	try {
1085	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1086	>	shouldThrow();
1087	>	} catch (NullPointerException success) {}
1088		}
1089		}
1090
1091		/**
1092		* timed invokeAll(,,null) throws NPE
1093		*/
1094	<	public void testTimedInvokeAllNullTimeUnit() {
1095	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1096	<	try {
1097	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1094	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1095	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1096	>	try (PoolCleaner cleaner = cleaner(e)) {
1097	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1098		l.add(new StringTask());
1099	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1100	<	} catch (NullPointerException success) {
1101	<	} catch(Exception ex) {
1102	<	unexpectedException();
1039	<	} finally {
1040	<	joinPool(e);
1099	>	try {
1100	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1101	>	shouldThrow();
1102	>	} catch (NullPointerException success) {}
1103		}
1104		}
1105
1106		/**
1107		* timed invokeAll(empty collection) returns empty collection
1108		*/
1109	<	public void testTimedInvokeAll2() {
1110	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1111	<	try {
1112	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1109	>	public void testTimedInvokeAll2() throws Exception {
1110	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1111	>	try (PoolCleaner cleaner = cleaner(e)) {
1112	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1113	>	MEDIUM_DELAY_MS, MILLISECONDS);
1114		assertTrue(r.isEmpty());
1052	–	} catch(Exception ex) {
1053	–	unexpectedException();
1054	–	} finally {
1055	–	joinPool(e);
1115		}
1116		}
1117
1118		/**
1119		* timed invokeAll(c) throws NPE if c has null elements
1120		*/
1121	<	public void testTimedInvokeAll3() {
1122	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1123	<	try {
1124	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1121	>	public void testTimedInvokeAll3() throws Exception {
1122	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1123	>	try (PoolCleaner cleaner = cleaner(e)) {
1124	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1125		l.add(new StringTask());
1126		l.add(null);
1127	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1128	<	} catch (NullPointerException success) {
1129	<	} catch(Exception ex) {
1130	<	unexpectedException();
1072	<	} finally {
1073	<	joinPool(e);
1127	>	try {
1128	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1129	>	shouldThrow();
1130	>	} catch (NullPointerException success) {}
1131		}
1132		}
1133
1134		/**
1135		* get of element of invokeAll(c) throws exception on failed task
1136		*/
1137	<	public void testTimedInvokeAll4() {
1138	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1139	<	try {
1140	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1137	>	public void testTimedInvokeAll4() throws Exception {
1138	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1139	>	try (PoolCleaner cleaner = cleaner(e)) {
1140	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1141		l.add(new NPETask());
1142	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1143	<	assertEquals(1, result.size());
1144	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1145	<	it.next().get();
1146	<	} catch(ExecutionException success) {
1147	<	} catch(Exception ex) {
1148	<	unexpectedException();
1149	<	} finally {
1150	<	joinPool(e);
1142	>	List<Future<String>> futures =
1143	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1144	>	assertEquals(1, futures.size());
1145	>	try {
1146	>	futures.get(0).get();
1147	>	shouldThrow();
1148	>	} catch (ExecutionException success) {
1149	>	assertTrue(success.getCause() instanceof NullPointerException);
1150	>	}
1151		}
1152		}
1153
1154		/**
1155		* timed invokeAll(c) returns results of all completed tasks
1156		*/
1157	<	public void testTimedInvokeAll5() {
1158	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1159	<	try {
1160	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1157	>	public void testTimedInvokeAll5() throws Exception {
1158	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1159	>	try (PoolCleaner cleaner = cleaner(e)) {
1160	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1161		l.add(new StringTask());
1162		l.add(new StringTask());
1163	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1164	<	assertEquals(2, result.size());
1165	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1166	<	assertSame(TEST_STRING, it.next().get());
1167	<	} catch (ExecutionException success) {
1111	<	} catch(Exception ex) {
1112	<	unexpectedException();
1113	<	} finally {
1114	<	joinPool(e);
1163	>	List<Future<String>> futures =
1164	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1165	>	assertEquals(2, futures.size());
1166	>	for (Future<String> future : futures)
1167	>	assertSame(TEST_STRING, future.get());
1168		}
1169		}
1170
1171		/**
1172		* timed invokeAll(c) cancels tasks not completed by timeout
1173		*/
1174	<	public void testTimedInvokeAll6() {
1175	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1176	<	try {
1177	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1178	<	l.add(new StringTask());
1179	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1180	<	l.add(new StringTask());
1181	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1182	<	assertEquals(3, result.size());
1183	<	Iterator<Future<String>> it = result.iterator();
1184	<	Future<String> f1 = it.next();
1185	<	Future<String> f2 = it.next();
1186	<	Future<String> f3 = it.next();
1187	<	assertTrue(f1.isDone());
1188	<	assertTrue(f2.isDone());
1189	<	assertTrue(f3.isDone());
1190	<	assertFalse(f1.isCancelled());
1191	<	assertTrue(f2.isCancelled());
1192	<	} catch(Exception ex) {
1193	<	unexpectedException();
1194	<	} finally {
1195	<	joinPool(e);
1174	>	public void testTimedInvokeAll6() throws Exception {
1175	>	for (long timeout = timeoutMillis();;) {
1176	>	final CountDownLatch done = new CountDownLatch(1);
1177	>	final Callable<String> waiter = new CheckedCallable<String>() {
1178	>	public String realCall() {
1179	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1180	>	catch (InterruptedException ok) {}
1181	>	return "1"; }};
1182	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1183	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1184	>	List<Callable<String>> tasks = new ArrayList<>();
1185	>	tasks.add(new StringTask("0"));
1186	>	tasks.add(waiter);
1187	>	tasks.add(new StringTask("2"));
1188	>	long startTime = System.nanoTime();
1189	>	List<Future<String>> futures =
1190	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1191	>	assertEquals(tasks.size(), futures.size());
1192	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1193	>	for (Future future : futures)
1194	>	assertTrue(future.isDone());
1195	>	assertTrue(futures.get(1).isCancelled());
1196	>	try {
1197	>	assertEquals("0", futures.get(0).get());
1198	>	assertEquals("2", futures.get(2).get());
1199	>	break;
1200	>	} catch (CancellationException retryWithLongerTimeout) {
1201	>	timeout *= 2;
1202	>	if (timeout >= LONG_DELAY_MS / 2)
1203	>	fail("expected exactly one task to be cancelled");
1204	>	}
1205	>	}
1206		}
1207		}
1208
1146	–
1209		}

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