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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.20 by dl, Thu Jan 22 14:39:25 2004 UTC vs.
Revision 1.64 by jsr166, Mon Oct 5 20:45:41 2015 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
5	<	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	<	* Pat Fisher, Mike Judd.
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import junit.framework.*;
10	<	import java.util.*;
11	<	import java.util.concurrent.*;
12	<	import java.util.concurrent.atomic.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.SECONDS;
11	>
12	>	import java.util.ArrayList;
13	>	import java.util.HashSet;
14	>	import java.util.List;
15	>	import java.util.concurrent.BlockingQueue;
16	>	import java.util.concurrent.Callable;
17	>	import java.util.concurrent.CancellationException;
18	>	import java.util.concurrent.CountDownLatch;
19	>	import java.util.concurrent.ExecutionException;
20	>	import java.util.concurrent.Executors;
21	>	import java.util.concurrent.ExecutorService;
22	>	import java.util.concurrent.Future;
23	>	import java.util.concurrent.RejectedExecutionException;
24	>	import java.util.concurrent.ScheduledFuture;
25	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
26	>	import java.util.concurrent.ThreadFactory;
27	>	import java.util.concurrent.ThreadPoolExecutor;
28	>	import java.util.concurrent.atomic.AtomicInteger;
29	>
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32
33		public class ScheduledExecutorTest extends JSR166TestCase {
34		public static void main(String[] args) {
35	<	junit.textui.TestRunner.run (suite());
35	>	main(suite(), args);
36		}
37		public static Test suite() {
38	<	return new TestSuite(ScheduledExecutorTest.class);
38	>	return new TestSuite(ScheduledExecutorTest.class);
39		}
40
22	–
41		/**
42		* execute successfully executes a runnable
43		*/
44	<	public void testExecute() {
45	<	try {
46	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
47	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
48	<	p1.execute(runnable);
49	<	assertFalse(runnable.done);
50	<	Thread.sleep(SHORT_DELAY_MS);
51	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
34	<	try {
35	<	Thread.sleep(MEDIUM_DELAY_MS);
36	<	} catch(InterruptedException e){
37	<	unexpectedException();
38	<	}
39	<	assertTrue(runnable.done);
40	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
41	<	joinPool(p1);
42	<	}
43	<	catch(Exception e){
44	<	unexpectedException();
44	>	public void testExecute() throws InterruptedException {
45	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
46	>	try (PoolCleaner cleaner = cleaner(p)) {
47	>	final CountDownLatch done = new CountDownLatch(1);
48	>	final Runnable task = new CheckedRunnable() {
49	>	public void realRun() { done.countDown(); }};
50	>	p.execute(task);
51	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
52		}
46	–
53		}
54
49	–
55		/**
56		* delayed schedule of callable successfully executes after delay
57		*/
58	<	public void testSchedule1() {
59	<	try {
60	<	TrackedCallable callable = new TrackedCallable();
61	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
62	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
63	<	assertFalse(callable.done);
64	<	Thread.sleep(MEDIUM_DELAY_MS);
65	<	assertTrue(callable.done);
66	<	assertEquals(Boolean.TRUE, f.get());
67	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
68	<	joinPool(p1);
69	<	} catch(RejectedExecutionException e){}
70	<	catch(Exception e){
71	<	e.printStackTrace();
72	<	unexpectedException();
58	>	public void testSchedule1() throws Exception {
59	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
60	>	try (PoolCleaner cleaner = cleaner(p)) {
61	>	final long startTime = System.nanoTime();
62	>	final CountDownLatch done = new CountDownLatch(1);
63	>	Callable task = new CheckedCallable<Boolean>() {
64	>	public Boolean realCall() {
65	>	done.countDown();
66	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
67	>	return Boolean.TRUE;
68	>	}};
69	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
70	>	assertSame(Boolean.TRUE, f.get());
71	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
72	>	assertTrue(done.await(0L, MILLISECONDS));
73		}
74		}
75
76		/**
77	<	*  delayed schedule of runnable successfully executes after delay
78	<	*/
79	<	public void testSchedule3() {
80	<	try {
81	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
82	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
83	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
84	<	Thread.sleep(SHORT_DELAY_MS);
85	<	assertFalse(runnable.done);
86	<	Thread.sleep(MEDIUM_DELAY_MS);
87	<	assertTrue(runnable.done);
88	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
89	<	joinPool(p1);
90	<	} catch(Exception e){
91	<	unexpectedException();
77	>	* delayed schedule of runnable successfully executes after delay
78	>	*/
79	>	public void testSchedule3() throws Exception {
80	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
81	>	try (PoolCleaner cleaner = cleaner(p)) {
82	>	final long startTime = System.nanoTime();
83	>	final CountDownLatch done = new CountDownLatch(1);
84	>	Runnable task = new CheckedRunnable() {
85	>	public void realRun() {
86	>	done.countDown();
87	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
88	>	}};
89	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
90	>	await(done);
91	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
92	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
93		}
94		}
95	<
95	>
96		/**
97		* scheduleAtFixedRate executes runnable after given initial delay
98		*/
99	<	public void testSchedule4() {
100	<	try {
101	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
102	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
103	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
104	<	assertFalse(runnable.done);
105	<	Thread.sleep(MEDIUM_DELAY_MS);
106	<	assertTrue(runnable.done);
107	<	h.cancel(true);
108	<	joinPool(p1);
109	<	} catch(Exception e){
110	<	unexpectedException();
99	>	public void testSchedule4() throws Exception {
100	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
101	>	try (PoolCleaner cleaner = cleaner(p)) {
102	>	final long startTime = System.nanoTime();
103	>	final CountDownLatch done = new CountDownLatch(1);
104	>	Runnable task = new CheckedRunnable() {
105	>	public void realRun() {
106	>	done.countDown();
107	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
108	>	}};
109	>	ScheduledFuture f =
110	>	p.scheduleAtFixedRate(task, timeoutMillis(),
111	>	LONG_DELAY_MS, MILLISECONDS);
112	>	await(done);
113	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
114	>	f.cancel(true);
115		}
116		}
117
108	–	static class RunnableCounter implements Runnable {
109	–	AtomicInteger count = new AtomicInteger(0);
110	–	public void run() { count.getAndIncrement(); }
111	–	}
112	–
118		/**
119		* scheduleWithFixedDelay executes runnable after given initial delay
120		*/
121	<	public void testSchedule5() {
122	<	try {
123	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
124	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
125	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
126	<	assertFalse(runnable.done);
127	<	Thread.sleep(MEDIUM_DELAY_MS);
128	<	assertTrue(runnable.done);
129	<	h.cancel(true);
130	<	joinPool(p1);
131	<	} catch(Exception e){
132	<	unexpectedException();
121	>	public void testSchedule5() throws Exception {
122	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
123	>	try (PoolCleaner cleaner = cleaner(p)) {
124	>	final long startTime = System.nanoTime();
125	>	final CountDownLatch done = new CountDownLatch(1);
126	>	Runnable task = new CheckedRunnable() {
127	>	public void realRun() {
128	>	done.countDown();
129	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
130	>	}};
131	>	ScheduledFuture f =
132	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
133	>	LONG_DELAY_MS, MILLISECONDS);
134	>	await(done);
135	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
136	>	f.cancel(true);
137		}
138		}
139	<
139	>
140	>	static class RunnableCounter implements Runnable {
141	>	AtomicInteger count = new AtomicInteger(0);
142	>	public void run() { count.getAndIncrement(); }
143	>	}
144	>
145		/**
146		* scheduleAtFixedRate executes series of tasks at given rate
147		*/
148	<	public void testFixedRateSequence() {
149	<	try {
150	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
151	<	RunnableCounter counter = new RunnableCounter();
152	<	ScheduledFuture h =
153	<	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
154	<	Thread.sleep(SMALL_DELAY_MS);
155	<	h.cancel(true);
156	<	int c = counter.count.get();
157	<	// By time scaling conventions, we must have at least
158	<	// an execution per SHORT delay, but no more than one SHORT more
159	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
160	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
161	<	assertTrue(h.isDone());
162	<	joinPool(p1);
163	<	} catch(Exception e){
164	<	unexpectedException();
148	>	public void testFixedRateSequence() throws InterruptedException {
149	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
150	>	try (PoolCleaner cleaner = cleaner(p)) {
151	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
152	>	long startTime = System.nanoTime();
153	>	int cycles = 10;
154	>	final CountDownLatch done = new CountDownLatch(cycles);
155	>	Runnable task = new CheckedRunnable() {
156	>	public void realRun() { done.countDown(); }};
157	>	ScheduledFuture h =
158	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
159	>	done.await();
160	>	h.cancel(true);
161	>	double normalizedTime =
162	>	(double) millisElapsedSince(startTime) / delay;
163	>	if (normalizedTime >= cycles - 1 &&
164	>	normalizedTime <= cycles)
165	>	return;
166	>	}
167	>	throw new AssertionError("unexpected execution rate");
168		}
169		}
170
171		/**
172		* scheduleWithFixedDelay executes series of tasks with given period
173		*/
174	<	public void testFixedDelaySequence() {
175	<	try {
176	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
177	<	RunnableCounter counter = new RunnableCounter();
178	<	ScheduledFuture h =
179	<	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
180	<	Thread.sleep(SMALL_DELAY_MS);
181	<	h.cancel(true);
182	<	int c = counter.count.get();
183	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
184	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
185	<	assertTrue(h.isDone());
186	<	joinPool(p1);
187	<	} catch(Exception e){
188	<	unexpectedException();
174	>	public void testFixedDelaySequence() throws InterruptedException {
175	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
176	>	try (PoolCleaner cleaner = cleaner(p)) {
177	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
178	>	long startTime = System.nanoTime();
179	>	int cycles = 10;
180	>	final CountDownLatch done = new CountDownLatch(cycles);
181	>	Runnable task = new CheckedRunnable() {
182	>	public void realRun() { done.countDown(); }};
183	>	ScheduledFuture h =
184	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
185	>	done.await();
186	>	h.cancel(true);
187	>	double normalizedTime =
188	>	(double) millisElapsedSince(startTime) / delay;
189	>	if (normalizedTime >= cycles - 1 &&
190	>	normalizedTime <= cycles)
191	>	return;
192	>	}
193	>	throw new AssertionError("unexpected execution rate");
194		}
195		}
196
175	–
197		/**
198	<	*  execute (null) throws NPE
198	>	* execute(null) throws NPE
199		*/
200	<	public void testExecuteNull() {
201	<	ScheduledThreadPoolExecutor se = null;
202	<	try {
203	<	se = new ScheduledThreadPoolExecutor(1);
204	<	se.execute(null);
205	<	shouldThrow();
206	<	} catch(NullPointerException success){}
186	<	catch(Exception e){
187	<	unexpectedException();
200	>	public void testExecuteNull() throws InterruptedException {
201	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
202	>	try (PoolCleaner cleaner = cleaner(p)) {
203	>	try {
204	>	p.execute(null);
205	>	shouldThrow();
206	>	} catch (NullPointerException success) {}
207		}
189	–
190	–	joinPool(se);
208		}
209
210		/**
211	<	* schedule (null) throws NPE
211	>	* schedule(null) throws NPE
212		*/
213	<	public void testScheduleNull() {
214	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
215	<	try {
216	<	TrackedCallable callable = null;
217	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
218	<	shouldThrow();
219	<	} catch(NullPointerException success){}
220	<	catch(Exception e){
204	<	unexpectedException();
213	>	public void testScheduleNull() throws InterruptedException {
214	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
215	>	try (PoolCleaner cleaner = cleaner(p)) {
216	>	try {
217	>	TrackedCallable callable = null;
218	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
219	>	shouldThrow();
220	>	} catch (NullPointerException success) {}
221		}
206	–	joinPool(se);
222		}
223	<
223	>
224		/**
225		* execute throws RejectedExecutionException if shutdown
226		*/
227	<	public void testSchedule1_RejectedExecutionException() {
228	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
229	<	try {
230	<	se.shutdown();
231	<	se.schedule(new NoOpRunnable(),
232	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
233	<	shouldThrow();
234	<	} catch(RejectedExecutionException success){
235	<	} catch (SecurityException ok) {
227	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
228	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
229	>	try (PoolCleaner cleaner = cleaner(p)) {
230	>	try {
231	>	p.shutdown();
232	>	p.schedule(new NoOpRunnable(),
233	>	MEDIUM_DELAY_MS, MILLISECONDS);
234	>	shouldThrow();
235	>	} catch (RejectedExecutionException success) {
236	>	} catch (SecurityException ok) {}
237		}
222	–
223	–	joinPool(se);
224	–
238		}
239
240		/**
241		* schedule throws RejectedExecutionException if shutdown
242		*/
243	<	public void testSchedule2_RejectedExecutionException() {
244	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
245	<	try {
246	<	se.shutdown();
247	<	se.schedule(new NoOpCallable(),
248	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
249	<	shouldThrow();
250	<	} catch(RejectedExecutionException success){
251	<	} catch (SecurityException ok) {
243	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
244	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
245	>	try (PoolCleaner cleaner = cleaner(p)) {
246	>	try {
247	>	p.shutdown();
248	>	p.schedule(new NoOpCallable(),
249	>	MEDIUM_DELAY_MS, MILLISECONDS);
250	>	shouldThrow();
251	>	} catch (RejectedExecutionException success) {
252	>	} catch (SecurityException ok) {}
253		}
240	–	joinPool(se);
254		}
255
256		/**
257		* schedule callable throws RejectedExecutionException if shutdown
258		*/
259	<	public void testSchedule3_RejectedExecutionException() {
260	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
261	<	try {
262	<	se.shutdown();
263	<	se.schedule(new NoOpCallable(),
264	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
265	<	shouldThrow();
266	<	} catch(RejectedExecutionException success){
267	<	} catch (SecurityException ok) {
259	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
260	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
261	>	try (PoolCleaner cleaner = cleaner(p)) {
262	>	try {
263	>	p.shutdown();
264	>	p.schedule(new NoOpCallable(),
265	>	MEDIUM_DELAY_MS, MILLISECONDS);
266	>	shouldThrow();
267	>	} catch (RejectedExecutionException success) {
268	>	} catch (SecurityException ok) {}
269		}
256	–	joinPool(se);
270		}
271
272		/**
273	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
274	<	*/
275	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
276	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
277	<	try {
278	<	se.shutdown();
279	<	se.scheduleAtFixedRate(new NoOpRunnable(),
280	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
281	<	shouldThrow();
282	<	} catch(RejectedExecutionException success){
283	<	} catch (SecurityException ok) {
284	<	}
285	<	joinPool(se);
273	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
274	>	*/
275	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
276	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
277	>	try (PoolCleaner cleaner = cleaner(p)) {
278	>	try {
279	>	p.shutdown();
280	>	p.scheduleAtFixedRate(new NoOpRunnable(),
281	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
282	>	shouldThrow();
283	>	} catch (RejectedExecutionException success) {
284	>	} catch (SecurityException ok) {}
285	>	}
286		}
287	<
287	>
288		/**
289		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
290		*/
291	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
292	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
293	<	try {
294	<	se.shutdown();
295	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
296	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
297	<	shouldThrow();
298	<	} catch(RejectedExecutionException success){
299	<	} catch (SecurityException ok) {
300	<	}
301	<	joinPool(se);
291	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
292	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
293	>	try (PoolCleaner cleaner = cleaner(p)) {
294	>	try {
295	>	p.shutdown();
296	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
297	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
298	>	shouldThrow();
299	>	} catch (RejectedExecutionException success) {
300	>	} catch (SecurityException ok) {}
301	>	}
302		}
303
304		/**
305	<	*  getActiveCount increases but doesn't overestimate, when a
306	<	*  thread becomes active
307	<	*/
308	<	public void testGetActiveCount() {
309	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
310	<	assertEquals(0, p2.getActiveCount());
311	<	p2.execute(new SmallRunnable());
312	<	try {
313	<	Thread.sleep(SHORT_DELAY_MS);
314	<	} catch(Exception e){
315	<	unexpectedException();
316	<	}
317	<	assertEquals(1, p2.getActiveCount());
318	<	joinPool(p2);
319	<	}
320	<
321	<	/**
322	<	*    getCompletedTaskCount increases, but doesn't overestimate,
310	<	*   when tasks complete
311	<	*/
312	<	public void testGetCompletedTaskCount() {
313	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
314	<	assertEquals(0, p2.getCompletedTaskCount());
315	<	p2.execute(new SmallRunnable());
316	<	try {
317	<	Thread.sleep(MEDIUM_DELAY_MS);
318	<	} catch(Exception e){
319	<	unexpectedException();
305	>	* getActiveCount increases but doesn't overestimate, when a
306	>	* thread becomes active
307	>	*/
308	>	public void testGetActiveCount() throws InterruptedException {
309	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
310	>	try (PoolCleaner cleaner = cleaner(p)) {
311	>	final CountDownLatch threadStarted = new CountDownLatch(1);
312	>	final CountDownLatch done = new CountDownLatch(1);
313	>	assertEquals(0, p.getActiveCount());
314	>	p.execute(new CheckedRunnable() {
315	>	public void realRun() throws InterruptedException {
316	>	threadStarted.countDown();
317	>	assertEquals(1, p.getActiveCount());
318	>	done.await();
319	>	}});
320	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
321	>	assertEquals(1, p.getActiveCount());
322	>	done.countDown();
323		}
321	–	assertEquals(1, p2.getCompletedTaskCount());
322	–	joinPool(p2);
324		}
325	<
325	>
326		/**
327	<	*  getCorePoolSize returns size given in constructor if not otherwise set
328	<	*/
329	<	public void testGetCorePoolSize() {
330	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
331	<	assertEquals(1, p1.getCorePoolSize());
332	<	joinPool(p1);
327	>	* getCompletedTaskCount increases, but doesn't overestimate,
328	>	* when tasks complete
329	>	*/
330	>	public void testGetCompletedTaskCount() throws InterruptedException {
331	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
332	>	try (PoolCleaner cleaner = cleaner(p)) {
333	>	final CountDownLatch threadStarted = new CountDownLatch(1);
334	>	final CountDownLatch threadProceed = new CountDownLatch(1);
335	>	final CountDownLatch threadDone = new CountDownLatch(1);
336	>	assertEquals(0, p.getCompletedTaskCount());
337	>	p.execute(new CheckedRunnable() {
338	>	public void realRun() throws InterruptedException {
339	>	threadStarted.countDown();
340	>	assertEquals(0, p.getCompletedTaskCount());
341	>	threadProceed.await();
342	>	threadDone.countDown();
343	>	}});
344	>	await(threadStarted);
345	>	assertEquals(0, p.getCompletedTaskCount());
346	>	threadProceed.countDown();
347	>	threadDone.await();
348	>	long startTime = System.nanoTime();
349	>	while (p.getCompletedTaskCount() != 1) {
350	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
351	>	fail("timed out");
352	>	Thread.yield();
353	>	}
354	>	}
355		}
356	<
356	>
357		/**
358	<	*    getLargestPoolSize increases, but doesn't overestimate, when
336	<	*   multiple threads active
358	>	* getCorePoolSize returns size given in constructor if not otherwise set
359		*/
360	<	public void testGetLargestPoolSize() {
361	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
362	<	assertEquals(0, p2.getLargestPoolSize());
363	<	p2.execute(new SmallRunnable());
364	<	p2.execute(new SmallRunnable());
365	<	try {
366	<	Thread.sleep(SHORT_DELAY_MS);
367	<	} catch(Exception e){
368	<	unexpectedException();
369	<	}
370	<	assertEquals(2, p2.getLargestPoolSize());
371	<	joinPool(p2);
372	<	}
373	<
374	<	/**
375	<	*   getPoolSize increases, but doesn't overestimate, when threads
376	<	*   become active
377	<	*/
378	<	public void testGetPoolSize() {
379	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
380	<	assertEquals(0, p1.getPoolSize());
381	<	p1.execute(new SmallRunnable());
382	<	assertEquals(1, p1.getPoolSize());
383	<	joinPool(p1);
384	<	}
385	<
386	<	/**
387	<	*    getTaskCount increases, but doesn't overestimate, when tasks
388	<	*    submitted
389	<	*/
390	<	public void testGetTaskCount() {
391	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
392	<	assertEquals(0, p1.getTaskCount());
393	<	for(int i = 0; i < 5; i++)
394	<	p1.execute(new SmallRunnable());
395	<	try {
396	<	Thread.sleep(SHORT_DELAY_MS);
397	<	} catch(Exception e){
398	<	unexpectedException();
360	>	public void testGetCorePoolSize() throws InterruptedException {
361	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
362	>	try (PoolCleaner cleaner = cleaner(p)) {
363	>	assertEquals(1, p.getCorePoolSize());
364	>	}
365	>	}
366	>
367	>	/**
368	>	* getLargestPoolSize increases, but doesn't overestimate, when
369	>	* multiple threads active
370	>	*/
371	>	public void testGetLargestPoolSize() throws InterruptedException {
372	>	final int THREADS = 3;
373	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
374	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
375	>	final CountDownLatch done = new CountDownLatch(1);
376	>	try (PoolCleaner cleaner = cleaner(p)) {
377	>	assertEquals(0, p.getLargestPoolSize());
378	>	for (int i = 0; i < THREADS; i++)
379	>	p.execute(new CheckedRunnable() {
380	>	public void realRun() throws InterruptedException {
381	>	threadsStarted.countDown();
382	>	done.await();
383	>	assertEquals(THREADS, p.getLargestPoolSize());
384	>	}});
385	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
386	>	assertEquals(THREADS, p.getLargestPoolSize());
387	>	done.countDown();
388	>	}
389	>	assertEquals(THREADS, p.getLargestPoolSize());
390	>	}
391	>
392	>	/**
393	>	* getPoolSize increases, but doesn't overestimate, when threads
394	>	* become active
395	>	*/
396	>	public void testGetPoolSize() throws InterruptedException {
397	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
398	>	final CountDownLatch threadStarted = new CountDownLatch(1);
399	>	final CountDownLatch done = new CountDownLatch(1);
400	>	try (PoolCleaner cleaner = cleaner(p)) {
401	>	assertEquals(0, p.getPoolSize());
402	>	p.execute(new CheckedRunnable() {
403	>	public void realRun() throws InterruptedException {
404	>	threadStarted.countDown();
405	>	assertEquals(1, p.getPoolSize());
406	>	done.await();
407	>	}});
408	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
409	>	assertEquals(1, p.getPoolSize());
410	>	done.countDown();
411	>	}
412	>	}
413	>
414	>	/**
415	>	* getTaskCount increases, but doesn't overestimate, when tasks
416	>	* submitted
417	>	*/
418	>	public void testGetTaskCount() throws InterruptedException {
419	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
420	>	try (PoolCleaner cleaner = cleaner(p)) {
421	>	final CountDownLatch threadStarted = new CountDownLatch(1);
422	>	final CountDownLatch done = new CountDownLatch(1);
423	>	final int TASKS = 5;
424	>	assertEquals(0, p.getTaskCount());
425	>	for (int i = 0; i < TASKS; i++)
426	>	p.execute(new CheckedRunnable() {
427	>	public void realRun() throws InterruptedException {
428	>	threadStarted.countDown();
429	>	done.await();
430	>	}});
431	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
432	>	assertEquals(TASKS, p.getTaskCount());
433	>	done.countDown();
434		}
378	–	assertEquals(5, p1.getTaskCount());
379	–	joinPool(p1);
435		}
436
437	<	/**
437	>	/**
438		* getThreadFactory returns factory in constructor if not set
439		*/
440	<	public void testGetThreadFactory() {
441	<	ThreadFactory tf = new SimpleThreadFactory();
442	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
443	<	assertSame(tf, p.getThreadFactory());
444	<	joinPool(p);
440	>	public void testGetThreadFactory() throws InterruptedException {
441	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
442	>	final ScheduledThreadPoolExecutor p =
443	>	new ScheduledThreadPoolExecutor(1, threadFactory);
444	>	try (PoolCleaner cleaner = cleaner(p)) {
445	>	assertSame(threadFactory, p.getThreadFactory());
446	>	}
447		}
448
449	<	/**
449	>	/**
450		* setThreadFactory sets the thread factory returned by getThreadFactory
451		*/
452	<	public void testSetThreadFactory() {
453	<	ThreadFactory tf = new SimpleThreadFactory();
454	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
455	<	p.setThreadFactory(tf);
456	<	assertSame(tf, p.getThreadFactory());
457	<	joinPool(p);
452	>	public void testSetThreadFactory() throws InterruptedException {
453	>	ThreadFactory threadFactory = new SimpleThreadFactory();
454	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
455	>	try (PoolCleaner cleaner = cleaner(p)) {
456	>	p.setThreadFactory(threadFactory);
457	>	assertSame(threadFactory, p.getThreadFactory());
458	>	}
459		}
460
461	<	/**
461	>	/**
462		* setThreadFactory(null) throws NPE
463		*/
464	<	public void testSetThreadFactoryNull() {
465	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
466	<	try {
467	<	p.setThreadFactory(null);
468	<	shouldThrow();
469	<	} catch (NullPointerException success) {
470	<	} finally {
413	<	joinPool(p);
464	>	public void testSetThreadFactoryNull() throws InterruptedException {
465	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
466	>	try (PoolCleaner cleaner = cleaner(p)) {
467	>	try {
468	>	p.setThreadFactory(null);
469	>	shouldThrow();
470	>	} catch (NullPointerException success) {}
471		}
472		}
473	<
473	>
474		/**
475	<	*   is isShutDown is false before shutdown, true after
475	>	* isShutdown is false before shutdown, true after
476		*/
477		public void testIsShutdown() {
478	<
479	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
478	>
479	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
480		try {
481	<	assertFalse(p1.isShutdown());
481	>	assertFalse(p.isShutdown());
482		}
483		finally {
484	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
484	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
485		}
486	<	assertTrue(p1.isShutdown());
486	>	assertTrue(p.isShutdown());
487		}
488
432	–
489		/**
490	<	*   isTerminated is false before termination, true after
490	>	* isTerminated is false before termination, true after
491		*/
492	<	public void testIsTerminated() {
493	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
494	<	try {
495	<	p1.execute(new SmallRunnable());
496	<	} finally {
497	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
492	>	public void testIsTerminated() throws InterruptedException {
493	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
494	>	try (PoolCleaner cleaner = cleaner(p)) {
495	>	final CountDownLatch threadStarted = new CountDownLatch(1);
496	>	final CountDownLatch done = new CountDownLatch(1);
497	>	assertFalse(p.isTerminated());
498	>	p.execute(new CheckedRunnable() {
499	>	public void realRun() throws InterruptedException {
500	>	assertFalse(p.isTerminated());
501	>	threadStarted.countDown();
502	>	done.await();
503	>	}});
504	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
505	>	assertFalse(p.isTerminating());
506	>	done.countDown();
507	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
508	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
509	>	assertTrue(p.isTerminated());
510		}
443	–	try {
444	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
445	–	assertTrue(p1.isTerminated());
446	–	} catch(Exception e){
447	–	unexpectedException();
448	–	}
511		}
512
513		/**
514	<	*  isTerminating is not true when running or when terminated
515	<	*/
516	<	public void testIsTerminating() {
517	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
518	<	assertFalse(p1.isTerminating());
519	<	try {
520	<	p1.execute(new SmallRunnable());
521	<	assertFalse(p1.isTerminating());
522	<	} finally {
523	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
514	>	* isTerminating is not true when running or when terminated
515	>	*/
516	>	public void testIsTerminating() throws InterruptedException {
517	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
518	>	final CountDownLatch threadStarted = new CountDownLatch(1);
519	>	final CountDownLatch done = new CountDownLatch(1);
520	>	try (PoolCleaner cleaner = cleaner(p)) {
521	>	assertFalse(p.isTerminating());
522	>	p.execute(new CheckedRunnable() {
523	>	public void realRun() throws InterruptedException {
524	>	assertFalse(p.isTerminating());
525	>	threadStarted.countDown();
526	>	done.await();
527	>	}});
528	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
529	>	assertFalse(p.isTerminating());
530	>	done.countDown();
531	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
532	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
533	>	assertTrue(p.isTerminated());
534	>	assertFalse(p.isTerminating());
535		}
463	–	try {
464	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
465	–	assertTrue(p1.isTerminated());
466	–	assertFalse(p1.isTerminating());
467	–	} catch(Exception e){
468	–	unexpectedException();
469	–	}
536		}
537
538		/**
539		* getQueue returns the work queue, which contains queued tasks
540		*/
541	<	public void testGetQueue() {
542	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
543	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
544	<	for(int i = 0; i < 5; i++){
545	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
546	<	}
547	<	try {
548	<	Thread.sleep(SHORT_DELAY_MS);
549	<	BlockingQueue<Runnable> q = p1.getQueue();
550	<	assertTrue(q.contains(tasks[4]));
541	>	public void testGetQueue() throws InterruptedException {
542	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
543	>	try (PoolCleaner cleaner = cleaner(p)) {
544	>	final CountDownLatch threadStarted = new CountDownLatch(1);
545	>	final CountDownLatch done = new CountDownLatch(1);
546	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
547	>	for (int i = 0; i < tasks.length; i++) {
548	>	Runnable r = new CheckedRunnable() {
549	>	public void realRun() throws InterruptedException {
550	>	threadStarted.countDown();
551	>	done.await();
552	>	}};
553	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
554	>	}
555	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
556	>	BlockingQueue<Runnable> q = p.getQueue();
557	>	assertTrue(q.contains(tasks[tasks.length - 1]));
558		assertFalse(q.contains(tasks[0]));
559	<	} catch(Exception e) {
487	<	unexpectedException();
488	<	} finally {
489	<	joinPool(p1);
559	>	done.countDown();
560		}
561		}
562
563		/**
564		* remove(task) removes queued task, and fails to remove active task
565		*/
566	<	public void testRemove() {
567	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
568	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
569	<	for(int i = 0; i < 5; i++){
570	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
571	<	}
572	<	try {
573	<	Thread.sleep(SHORT_DELAY_MS);
574	<	BlockingQueue<Runnable> q = p1.getQueue();
575	<	assertFalse(p1.remove((Runnable)tasks[0]));
566	>	public void testRemove() throws InterruptedException {
567	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
568	>	try (PoolCleaner cleaner = cleaner(p)) {
569	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
570	>	final CountDownLatch threadStarted = new CountDownLatch(1);
571	>	final CountDownLatch done = new CountDownLatch(1);
572	>	for (int i = 0; i < tasks.length; i++) {
573	>	Runnable r = new CheckedRunnable() {
574	>	public void realRun() throws InterruptedException {
575	>	threadStarted.countDown();
576	>	done.await();
577	>	}};
578	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
579	>	}
580	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
581	>	BlockingQueue<Runnable> q = p.getQueue();
582	>	assertFalse(p.remove((Runnable)tasks[0]));
583		assertTrue(q.contains((Runnable)tasks[4]));
584		assertTrue(q.contains((Runnable)tasks[3]));
585	<	assertTrue(p1.remove((Runnable)tasks[4]));
586	<	assertFalse(p1.remove((Runnable)tasks[4]));
585	>	assertTrue(p.remove((Runnable)tasks[4]));
586	>	assertFalse(p.remove((Runnable)tasks[4]));
587		assertFalse(q.contains((Runnable)tasks[4]));
588		assertTrue(q.contains((Runnable)tasks[3]));
589	<	assertTrue(p1.remove((Runnable)tasks[3]));
589	>	assertTrue(p.remove((Runnable)tasks[3]));
590		assertFalse(q.contains((Runnable)tasks[3]));
591	<	} catch(Exception e) {
515	<	unexpectedException();
516	<	} finally {
517	<	joinPool(p1);
591	>	done.countDown();
592		}
593		}
594
595		/**
596	<	*  purge removes cancelled tasks from the queue
596	>	* purge eventually removes cancelled tasks from the queue
597		*/
598	<	public void testPurge() {
599	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
598	>	public void testPurge() throws InterruptedException {
599	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
600		ScheduledFuture[] tasks = new ScheduledFuture[5];
601	<	for(int i = 0; i < 5; i++){
602	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
603	<	}
601	>	for (int i = 0; i < tasks.length; i++)
602	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
603	>	LONG_DELAY_MS, MILLISECONDS);
604		try {
605	<	int max = 5;
605	>	int max = tasks.length;
606		if (tasks[4].cancel(true)) --max;
607		if (tasks[3].cancel(true)) --max;
608		// There must eventually be an interference-free point at
609		// which purge will not fail. (At worst, when queue is empty.)
610	<	int k;
611	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
612	<	p1.purge();
613	<	long count = p1.getTaskCount();
614	<	if (count >= 0 && count <= max)
615	<	break;
616	<	Thread.sleep(1);
617	<	}
544	<	assertTrue(k < SMALL_DELAY_MS);
545	<	} catch(Exception e) {
546	<	unexpectedException();
610	>	long startTime = System.nanoTime();
611	>	do {
612	>	p.purge();
613	>	long count = p.getTaskCount();
614	>	if (count == max)
615	>	return;
616	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
617	>	fail("Purge failed to remove cancelled tasks");
618		} finally {
619	<	joinPool(p1);
620	<	}
621	<	}
551	<
552	<	/**
553	<	*  shutDownNow returns a list containing tasks that were not run
554	<	*/
555	<	public void testShutDownNow() {
556	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
557	<	for(int i = 0; i < 5; i++)
558	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
559	<	List l;
560	<	try {
561	<	l = p1.shutdownNow();
562	<	} catch (SecurityException ok) {
563	<	return;
564	<	}
565	<	assertTrue(p1.isShutdown());
566	<	assertTrue(l.size() > 0 && l.size() <= 5);
567	<	joinPool(p1);
568	<	}
569	<
570	<	/**
571	<	* In default setting, shutdown cancels periodic but not delayed
572	<	* tasks at shutdown
573	<	*/
574	<	public void testShutDown1() {
575	<	try {
576	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
577	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
578	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
579	<
580	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
581	<	for(int i = 0; i < 5; i++)
582	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
583	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
584	<	BlockingQueue q = p1.getQueue();
585	<	for (Iterator it = q.iterator(); it.hasNext();) {
586	<	ScheduledFuture t = (ScheduledFuture)it.next();
587	<	assertFalse(t.isCancelled());
588	<	}
589	<	assertTrue(p1.isShutdown());
590	<	Thread.sleep(SMALL_DELAY_MS);
591	<	for (int i = 0; i < 5; ++i) {
592	<	assertTrue(tasks[i].isDone());
593	<	assertFalse(tasks[i].isCancelled());
594	<	}
595	<
596	<	}
597	<	catch(Exception ex) {
598	<	unexpectedException();
619	>	for (ScheduledFuture task : tasks)
620	>	task.cancel(true);
621	>	joinPool(p);
622		}
623		}
624
602	–
625		/**
626	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
627	<	* delayed tasks are cancelled at shutdown
626	>	* shutdownNow returns a list containing tasks that were not run,
627	>	* and those tasks are drained from the queue
628		*/
629	<	public void testShutDown2() {
629	>	public void testShutdownNow() throws InterruptedException {
630	>	final int poolSize = 2;
631	>	final int count = 5;
632	>	final AtomicInteger ran = new AtomicInteger(0);
633	>	final ScheduledThreadPoolExecutor p =
634	>	new ScheduledThreadPoolExecutor(poolSize);
635	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
636	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
637	>	threadsStarted.countDown();
638	>	try {
639	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
640	>	} catch (InterruptedException success) {}
641	>	ran.getAndIncrement();
642	>	}};
643	>	for (int i = 0; i < count; i++)
644	>	p.execute(waiter);
645	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
646	>	assertEquals(poolSize, p.getActiveCount());
647	>	assertEquals(0, p.getCompletedTaskCount());
648	>	final List<Runnable> queuedTasks;
649		try {
650	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
651	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
652	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
612	<	for(int i = 0; i < 5; i++)
613	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
614	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
615	<	assertTrue(p1.isShutdown());
616	<	BlockingQueue q = p1.getQueue();
617	<	assertTrue(q.isEmpty());
618	<	Thread.sleep(SMALL_DELAY_MS);
619	<	assertTrue(p1.isTerminated());
620	<	}
621	<	catch(Exception ex) {
622	<	unexpectedException();
650	>	queuedTasks = p.shutdownNow();
651	>	} catch (SecurityException ok) {
652	>	return; // Allowed in case test doesn't have privs
653		}
654	+	assertTrue(p.isShutdown());
655	+	assertTrue(p.getQueue().isEmpty());
656	+	assertEquals(count - poolSize, queuedTasks.size());
657	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
658	+	assertTrue(p.isTerminated());
659	+	assertEquals(poolSize, ran.get());
660	+	assertEquals(poolSize, p.getCompletedTaskCount());
661		}
662
626	–
663		/**
664	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
665	<	* periodic tasks are not cancelled at shutdown
666	<	*/
667	<	public void testShutDown3() {
664	>	* shutdownNow returns a list containing tasks that were not run,
665	>	* and those tasks are drained from the queue
666	>	*/
667	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
668	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
669	>	List<ScheduledFuture> tasks = new ArrayList<>();
670	>	for (int i = 0; i < 3; i++) {
671	>	Runnable r = new NoOpRunnable();
672	>	tasks.add(p.schedule(r, 9, SECONDS));
673	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
674	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
675	>	}
676	>	if (testImplementationDetails)
677	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
678	>	final List<Runnable> queuedTasks;
679		try {
680	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
681	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
682	<	ScheduledFuture task =
636	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
637	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
638	<	assertTrue(p1.isShutdown());
639	<	BlockingQueue q = p1.getQueue();
640	<	assertTrue(q.isEmpty());
641	<	Thread.sleep(SHORT_DELAY_MS);
642	<	assertTrue(p1.isTerminated());
680	>	queuedTasks = p.shutdownNow();
681	>	} catch (SecurityException ok) {
682	>	return; // Allowed in case test doesn't have privs
683		}
684	<	catch(Exception ex) {
685	<	unexpectedException();
684	>	assertTrue(p.isShutdown());
685	>	assertTrue(p.getQueue().isEmpty());
686	>	if (testImplementationDetails)
687	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
688	>	assertEquals(tasks.size(), queuedTasks.size());
689	>	for (ScheduledFuture task : tasks) {
690	>	assertFalse(task.isDone());
691	>	assertFalse(task.isCancelled());
692		}
693	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
694	+	assertTrue(p.isTerminated());
695		}
696
697		/**
698	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
699	<	* periodic tasks are cancelled at shutdown
700	<	*/
701	<	public void testShutDown4() {
702	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
703	<	try {
704	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
705	<	ScheduledFuture task =
706	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
707	<	assertFalse(task.isCancelled());
708	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
709	<	assertFalse(task.isCancelled());
710	<	assertFalse(p1.isTerminated());
711	<	assertTrue(p1.isShutdown());
712	<	Thread.sleep(SHORT_DELAY_MS);
713	<	assertFalse(task.isCancelled());
714	<	assertTrue(task.cancel(true));
715	<	assertTrue(task.isDone());
716	<	Thread.sleep(SHORT_DELAY_MS);
717	<	assertTrue(p1.isTerminated());
718	<	}
719	<	catch(Exception ex) {
720	<	unexpectedException();
698	>	* By default, periodic tasks are cancelled at shutdown.
699	>	* By default, delayed tasks keep running after shutdown.
700	>	* Check that changing the default values work:
701	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
702	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
703	>	*/
704	>	public void testShutdown_cancellation() throws Exception {
705	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
706	>	for (Boolean policy : allBooleans)
707	>	{
708	>	final int poolSize = 2;
709	>	final ScheduledThreadPoolExecutor p
710	>	= new ScheduledThreadPoolExecutor(poolSize);
711	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
712	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
713	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
714	>	if (policy != null) {
715	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
716	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
717	>	p.setRemoveOnCancelPolicy(policy);
718	>	}
719	>	assertEquals(effectiveDelayedPolicy,
720	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
721	>	assertEquals(effectivePeriodicPolicy,
722	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
723	>	assertEquals(effectiveRemovePolicy,
724	>	p.getRemoveOnCancelPolicy());
725	>	// Strategy: Wedge the pool with poolSize "blocker" threads
726	>	final AtomicInteger ran = new AtomicInteger(0);
727	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
728	>	final CountDownLatch unblock = new CountDownLatch(1);
729	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
730	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
731	>	Runnable task = new CheckedRunnable() { public void realRun()
732	>	throws InterruptedException {
733	>	poolBlocked.countDown();
734	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
735	>	ran.getAndIncrement();
736	>	}};
737	>	List<Future<?>> blockers = new ArrayList<>();
738	>	List<Future<?>> periodics = new ArrayList<>();
739	>	List<Future<?>> delayeds = new ArrayList<>();
740	>	for (int i = 0; i < poolSize; i++)
741	>	blockers.add(p.submit(task));
742	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
743	>
744	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
745	>	1, 1, MILLISECONDS));
746	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
747	>	1, 1, MILLISECONDS));
748	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
749	>
750	>	assertTrue(p.getQueue().containsAll(periodics));
751	>	assertTrue(p.getQueue().containsAll(delayeds));
752	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
753	>	assertTrue(p.isShutdown());
754	>	assertFalse(p.isTerminated());
755	>	for (Future<?> periodic : periodics) {
756	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
757	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
758	>	}
759	>	for (Future<?> delayed : delayeds) {
760	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
761	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
762	>	}
763	>	if (testImplementationDetails) {
764	>	assertEquals(effectivePeriodicPolicy,
765	>	p.getQueue().containsAll(periodics));
766	>	assertEquals(effectiveDelayedPolicy,
767	>	p.getQueue().containsAll(delayeds));
768	>	}
769	>	// Release all pool threads
770	>	unblock.countDown();
771	>
772	>	for (Future<?> delayed : delayeds) {
773	>	if (effectiveDelayedPolicy) {
774	>	assertNull(delayed.get());
775	>	}
776		}
777	<	finally {
778	<	joinPool(p1);
777	>	if (effectivePeriodicPolicy) {
778	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
779	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
780	>	for (Future<?> periodic : periodics) {
781	>	assertTrue(periodic.cancel(false));
782	>	assertTrue(periodic.isCancelled());
783	>	assertTrue(periodic.isDone());
784	>	}
785		}
786	<	}
786	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
787	>	assertTrue(p.isTerminated());
788	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
789	>	}}
790
791		/**
792		* completed submit of callable returns result
793		*/
794	<	public void testSubmitCallable() {
795	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
796	<	try {
794	>	public void testSubmitCallable() throws Exception {
795	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
796	>	try (PoolCleaner cleaner = cleaner(e)) {
797		Future<String> future = e.submit(new StringTask());
798		String result = future.get();
799		assertSame(TEST_STRING, result);
800		}
689	–	catch (ExecutionException ex) {
690	–	unexpectedException();
691	–	}
692	–	catch (InterruptedException ex) {
693	–	unexpectedException();
694	–	} finally {
695	–	joinPool(e);
696	–	}
801		}
802
803		/**
804		* completed submit of runnable returns successfully
805		*/
806	<	public void testSubmitRunnable() {
807	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
808	<	try {
806	>	public void testSubmitRunnable() throws Exception {
807	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
808	>	try (PoolCleaner cleaner = cleaner(e)) {
809		Future<?> future = e.submit(new NoOpRunnable());
810		future.get();
811		assertTrue(future.isDone());
812		}
709	–	catch (ExecutionException ex) {
710	–	unexpectedException();
711	–	}
712	–	catch (InterruptedException ex) {
713	–	unexpectedException();
714	–	} finally {
715	–	joinPool(e);
716	–	}
813		}
814
815		/**
816		* completed submit of (runnable, result) returns result
817		*/
818	<	public void testSubmitRunnable2() {
819	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
820	<	try {
818	>	public void testSubmitRunnable2() throws Exception {
819	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
820	>	try (PoolCleaner cleaner = cleaner(e)) {
821		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
822		String result = future.get();
823		assertSame(TEST_STRING, result);
824		}
729	–	catch (ExecutionException ex) {
730	–	unexpectedException();
731	–	}
732	–	catch (InterruptedException ex) {
733	–	unexpectedException();
734	–	} finally {
735	–	joinPool(e);
736	–	}
825		}
826
827		/**
828		* invokeAny(null) throws NPE
829		*/
830	<	public void testInvokeAny1() {
831	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
832	<	try {
833	<	e.invokeAny(null);
834	<	} catch (NullPointerException success) {
835	<	} catch(Exception ex) {
836	<	unexpectedException();
749	<	} finally {
750	<	joinPool(e);
830	>	public void testInvokeAny1() throws Exception {
831	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
832	>	try (PoolCleaner cleaner = cleaner(e)) {
833	>	try {
834	>	e.invokeAny(null);
835	>	shouldThrow();
836	>	} catch (NullPointerException success) {}
837		}
838		}
839
840		/**
841		* invokeAny(empty collection) throws IAE
842		*/
843	<	public void testInvokeAny2() {
844	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
845	<	try {
846	<	e.invokeAny(new ArrayList<Callable<String>>());
847	<	} catch (IllegalArgumentException success) {
848	<	} catch(Exception ex) {
849	<	unexpectedException();
764	<	} finally {
765	<	joinPool(e);
843	>	public void testInvokeAny2() throws Exception {
844	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
845	>	try (PoolCleaner cleaner = cleaner(e)) {
846	>	try {
847	>	e.invokeAny(new ArrayList<Callable<String>>());
848	>	shouldThrow();
849	>	} catch (IllegalArgumentException success) {}
850		}
851		}
852
853		/**
854		* invokeAny(c) throws NPE if c has null elements
855		*/
856	<	public void testInvokeAny3() {
857	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
858	<	try {
859	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
860	<	l.add(new StringTask());
856	>	public void testInvokeAny3() throws Exception {
857	>	CountDownLatch latch = new CountDownLatch(1);
858	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
859	>	try (PoolCleaner cleaner = cleaner(e)) {
860	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
861	>	l.add(latchAwaitingStringTask(latch));
862		l.add(null);
863	<	e.invokeAny(l);
864	<	} catch (NullPointerException success) {
865	<	} catch(Exception ex) {
866	<	unexpectedException();
867	<	} finally {
783	<	joinPool(e);
863	>	try {
864	>	e.invokeAny(l);
865	>	shouldThrow();
866	>	} catch (NullPointerException success) {}
867	>	latch.countDown();
868		}
869		}
870
871		/**
872		* invokeAny(c) throws ExecutionException if no task completes
873		*/
874	<	public void testInvokeAny4() {
875	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
876	<	try {
877	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
874	>	public void testInvokeAny4() throws Exception {
875	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
876	>	try (PoolCleaner cleaner = cleaner(e)) {
877	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
878		l.add(new NPETask());
879	<	e.invokeAny(l);
880	<	} catch (ExecutionException success) {
881	<	} catch(Exception ex) {
882	<	unexpectedException();
883	<	} finally {
884	<	joinPool(e);
879	>	try {
880	>	e.invokeAny(l);
881	>	shouldThrow();
882	>	} catch (ExecutionException success) {
883	>	assertTrue(success.getCause() instanceof NullPointerException);
884	>	}
885		}
886		}
887
888		/**
889		* invokeAny(c) returns result of some task
890		*/
891	<	public void testInvokeAny5() {
892	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
893	<	try {
894	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
891	>	public void testInvokeAny5() throws Exception {
892	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
893	>	try (PoolCleaner cleaner = cleaner(e)) {
894	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
895		l.add(new StringTask());
896		l.add(new StringTask());
897		String result = e.invokeAny(l);
898		assertSame(TEST_STRING, result);
815	–	} catch (ExecutionException success) {
816	–	} catch(Exception ex) {
817	–	unexpectedException();
818	–	} finally {
819	–	joinPool(e);
899		}
900		}
901
902		/**
903		* invokeAll(null) throws NPE
904		*/
905	<	public void testInvokeAll1() {
906	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	<	try {
908	<	e.invokeAll(null);
909	<	} catch (NullPointerException success) {
910	<	} catch(Exception ex) {
911	<	unexpectedException();
833	<	} finally {
834	<	joinPool(e);
905	>	public void testInvokeAll1() throws Exception {
906	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	>	try (PoolCleaner cleaner = cleaner(e)) {
908	>	try {
909	>	e.invokeAll(null);
910	>	shouldThrow();
911	>	} catch (NullPointerException success) {}
912		}
913		}
914
915		/**
916		* invokeAll(empty collection) returns empty collection
917		*/
918	<	public void testInvokeAll2() {
919	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
920	<	try {
918	>	public void testInvokeAll2() throws Exception {
919	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
920	>	try (PoolCleaner cleaner = cleaner(e)) {
921		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
922		assertTrue(r.isEmpty());
846	–	} catch(Exception ex) {
847	–	unexpectedException();
848	–	} finally {
849	–	joinPool(e);
923		}
924		}
925
926		/**
927		* invokeAll(c) throws NPE if c has null elements
928		*/
929	<	public void testInvokeAll3() {
930	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
931	<	try {
932	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
929	>	public void testInvokeAll3() throws Exception {
930	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
931	>	try (PoolCleaner cleaner = cleaner(e)) {
932	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
933		l.add(new StringTask());
934		l.add(null);
935	<	e.invokeAll(l);
936	<	} catch (NullPointerException success) {
937	<	} catch(Exception ex) {
938	<	unexpectedException();
866	<	} finally {
867	<	joinPool(e);
935	>	try {
936	>	e.invokeAll(l);
937	>	shouldThrow();
938	>	} catch (NullPointerException success) {}
939		}
940		}
941
942		/**
943		* get of invokeAll(c) throws exception on failed task
944		*/
945	<	public void testInvokeAll4() {
946	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
947	<	try {
948	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
945	>	public void testInvokeAll4() throws Exception {
946	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
947	>	try (PoolCleaner cleaner = cleaner(e)) {
948	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
949		l.add(new NPETask());
950	<	List<Future<String>> result = e.invokeAll(l);
951	<	assertEquals(1, result.size());
952	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
953	<	it.next().get();
954	<	} catch(ExecutionException success) {
955	<	} catch(Exception ex) {
956	<	unexpectedException();
957	<	} finally {
887	<	joinPool(e);
950	>	List<Future<String>> futures = e.invokeAll(l);
951	>	assertEquals(1, futures.size());
952	>	try {
953	>	futures.get(0).get();
954	>	shouldThrow();
955	>	} catch (ExecutionException success) {
956	>	assertTrue(success.getCause() instanceof NullPointerException);
957	>	}
958		}
959		}
960
961		/**
962		* invokeAll(c) returns results of all completed tasks
963		*/
964	<	public void testInvokeAll5() {
965	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
966	<	try {
967	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
964	>	public void testInvokeAll5() throws Exception {
965	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
966	>	try (PoolCleaner cleaner = cleaner(e)) {
967	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
968		l.add(new StringTask());
969		l.add(new StringTask());
970	<	List<Future<String>> result = e.invokeAll(l);
971	<	assertEquals(2, result.size());
972	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
973	<	assertSame(TEST_STRING, it.next().get());
904	<	} catch (ExecutionException success) {
905	<	} catch(Exception ex) {
906	<	unexpectedException();
907	<	} finally {
908	<	joinPool(e);
970	>	List<Future<String>> futures = e.invokeAll(l);
971	>	assertEquals(2, futures.size());
972	>	for (Future<String> future : futures)
973	>	assertSame(TEST_STRING, future.get());
974		}
975		}
976
977		/**
978		* timed invokeAny(null) throws NPE
979		*/
980	<	public void testTimedInvokeAny1() {
981	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
982	<	try {
983	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
984	<	} catch (NullPointerException success) {
985	<	} catch(Exception ex) {
986	<	unexpectedException();
922	<	} finally {
923	<	joinPool(e);
980	>	public void testTimedInvokeAny1() throws Exception {
981	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
982	>	try (PoolCleaner cleaner = cleaner(e)) {
983	>	try {
984	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
985	>	shouldThrow();
986	>	} catch (NullPointerException success) {}
987		}
988		}
989
990		/**
991		* timed invokeAny(,,null) throws NPE
992		*/
993	<	public void testTimedInvokeAnyNullTimeUnit() {
994	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
995	<	try {
996	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
993	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
994	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
995	>	try (PoolCleaner cleaner = cleaner(e)) {
996	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
997		l.add(new StringTask());
998	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
999	<	} catch (NullPointerException success) {
1000	<	} catch(Exception ex) {
1001	<	unexpectedException();
939	<	} finally {
940	<	joinPool(e);
998	>	try {
999	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1000	>	shouldThrow();
1001	>	} catch (NullPointerException success) {}
1002		}
1003		}
1004
1005		/**
1006		* timed invokeAny(empty collection) throws IAE
1007		*/
1008	<	public void testTimedInvokeAny2() {
1009	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1010	<	try {
1011	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1012	<	} catch (IllegalArgumentException success) {
1013	<	} catch(Exception ex) {
1014	<	unexpectedException();
954	<	} finally {
955	<	joinPool(e);
1008	>	public void testTimedInvokeAny2() throws Exception {
1009	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1010	>	try (PoolCleaner cleaner = cleaner(e)) {
1011	>	try {
1012	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1013	>	shouldThrow();
1014	>	} catch (IllegalArgumentException success) {}
1015		}
1016		}
1017
1018		/**
1019		* timed invokeAny(c) throws NPE if c has null elements
1020		*/
1021	<	public void testTimedInvokeAny3() {
1022	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1023	<	try {
1024	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1025	<	l.add(new StringTask());
1021	>	public void testTimedInvokeAny3() throws Exception {
1022	>	CountDownLatch latch = new CountDownLatch(1);
1023	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1024	>	try (PoolCleaner cleaner = cleaner(e)) {
1025	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1026	>	l.add(latchAwaitingStringTask(latch));
1027		l.add(null);
1028	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1029	<	} catch (NullPointerException success) {
1030	<	} catch(Exception ex) {
1031	<	ex.printStackTrace();
1032	<	unexpectedException();
973	<	} finally {
974	<	joinPool(e);
1028	>	try {
1029	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1030	>	shouldThrow();
1031	>	} catch (NullPointerException success) {}
1032	>	latch.countDown();
1033		}
1034		}
1035
1036		/**
1037		* timed invokeAny(c) throws ExecutionException if no task completes
1038		*/
1039	<	public void testTimedInvokeAny4() {
1040	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	<	try {
1042	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1039	>	public void testTimedInvokeAny4() throws Exception {
1040	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	>	try (PoolCleaner cleaner = cleaner(e)) {
1042	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1043		l.add(new NPETask());
1044	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1045	<	} catch(ExecutionException success) {
1046	<	} catch(Exception ex) {
1047	<	unexpectedException();
1048	<	} finally {
1049	<	joinPool(e);
1044	>	try {
1045	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1046	>	shouldThrow();
1047	>	} catch (ExecutionException success) {
1048	>	assertTrue(success.getCause() instanceof NullPointerException);
1049	>	}
1050		}
1051		}
1052
1053		/**
1054		* timed invokeAny(c) returns result of some task
1055		*/
1056	<	public void testTimedInvokeAny5() {
1057	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1058	<	try {
1059	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1056	>	public void testTimedInvokeAny5() throws Exception {
1057	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1058	>	try (PoolCleaner cleaner = cleaner(e)) {
1059	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1060		l.add(new StringTask());
1061		l.add(new StringTask());
1062	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1062	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1063		assertSame(TEST_STRING, result);
1006	–	} catch (ExecutionException success) {
1007	–	} catch(Exception ex) {
1008	–	unexpectedException();
1009	–	} finally {
1010	–	joinPool(e);
1064		}
1065		}
1066
1067		/**
1068		* timed invokeAll(null) throws NPE
1069		*/
1070	<	public void testTimedInvokeAll1() {
1071	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	<	try {
1073	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1074	<	} catch (NullPointerException success) {
1075	<	} catch(Exception ex) {
1076	<	unexpectedException();
1024	<	} finally {
1025	<	joinPool(e);
1070	>	public void testTimedInvokeAll1() throws Exception {
1071	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	>	try (PoolCleaner cleaner = cleaner(e)) {
1073	>	try {
1074	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1075	>	shouldThrow();
1076	>	} catch (NullPointerException success) {}
1077		}
1078		}
1079
1080		/**
1081		* timed invokeAll(,,null) throws NPE
1082		*/
1083	<	public void testTimedInvokeAllNullTimeUnit() {
1084	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1085	<	try {
1086	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1083	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1084	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1085	>	try (PoolCleaner cleaner = cleaner(e)) {
1086	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1087		l.add(new StringTask());
1088	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1089	<	} catch (NullPointerException success) {
1090	<	} catch(Exception ex) {
1091	<	unexpectedException();
1041	<	} finally {
1042	<	joinPool(e);
1088	>	try {
1089	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1090	>	shouldThrow();
1091	>	} catch (NullPointerException success) {}
1092		}
1093		}
1094
1095		/**
1096		* timed invokeAll(empty collection) returns empty collection
1097		*/
1098	<	public void testTimedInvokeAll2() {
1099	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1100	<	try {
1101	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1098	>	public void testTimedInvokeAll2() throws Exception {
1099	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1100	>	try (PoolCleaner cleaner = cleaner(e)) {
1101	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1102	>	MEDIUM_DELAY_MS, MILLISECONDS);
1103		assertTrue(r.isEmpty());
1054	–	} catch(Exception ex) {
1055	–	unexpectedException();
1056	–	} finally {
1057	–	joinPool(e);
1104		}
1105		}
1106
1107		/**
1108		* timed invokeAll(c) throws NPE if c has null elements
1109		*/
1110	<	public void testTimedInvokeAll3() {
1111	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1112	<	try {
1113	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1110	>	public void testTimedInvokeAll3() throws Exception {
1111	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1112	>	try (PoolCleaner cleaner = cleaner(e)) {
1113	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1114		l.add(new StringTask());
1115		l.add(null);
1116	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1117	<	} catch (NullPointerException success) {
1118	<	} catch(Exception ex) {
1119	<	unexpectedException();
1074	<	} finally {
1075	<	joinPool(e);
1116	>	try {
1117	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1118	>	shouldThrow();
1119	>	} catch (NullPointerException success) {}
1120		}
1121		}
1122
1123		/**
1124		* get of element of invokeAll(c) throws exception on failed task
1125		*/
1126	<	public void testTimedInvokeAll4() {
1127	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1128	<	try {
1129	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1126	>	public void testTimedInvokeAll4() throws Exception {
1127	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1128	>	try (PoolCleaner cleaner = cleaner(e)) {
1129	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1130		l.add(new NPETask());
1131	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1132	<	assertEquals(1, result.size());
1133	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1134	<	it.next().get();
1135	<	} catch(ExecutionException success) {
1136	<	} catch(Exception ex) {
1137	<	unexpectedException();
1138	<	} finally {
1139	<	joinPool(e);
1131	>	List<Future<String>> futures =
1132	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1133	>	assertEquals(1, futures.size());
1134	>	try {
1135	>	futures.get(0).get();
1136	>	shouldThrow();
1137	>	} catch (ExecutionException success) {
1138	>	assertTrue(success.getCause() instanceof NullPointerException);
1139	>	}
1140		}
1141		}
1142
1143		/**
1144		* timed invokeAll(c) returns results of all completed tasks
1145		*/
1146	<	public void testTimedInvokeAll5() {
1147	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1148	<	try {
1149	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1146	>	public void testTimedInvokeAll5() 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(new StringTask());
1152	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1153	<	assertEquals(2, result.size());
1154	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1155	<	assertSame(TEST_STRING, it.next().get());
1156	<	} catch (ExecutionException success) {
1113	<	} catch(Exception ex) {
1114	<	unexpectedException();
1115	<	} finally {
1116	<	joinPool(e);
1152	>	List<Future<String>> futures =
1153	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1154	>	assertEquals(2, futures.size());
1155	>	for (Future<String> future : futures)
1156	>	assertSame(TEST_STRING, future.get());
1157		}
1158		}
1159
1160		/**
1161		* timed invokeAll(c) cancels tasks not completed by timeout
1162		*/
1163	<	public void testTimedInvokeAll6() {
1164	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1165	<	try {
1166	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1167	<	l.add(new StringTask());
1168	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1169	<	l.add(new StringTask());
1170	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1171	<	assertEquals(3, result.size());
1172	<	Iterator<Future<String>> it = result.iterator();
1173	<	Future<String> f1 = it.next();
1174	<	Future<String> f2 = it.next();
1175	<	Future<String> f3 = it.next();
1176	<	assertTrue(f1.isDone());
1177	<	assertTrue(f2.isDone());
1178	<	assertTrue(f3.isDone());
1179	<	assertFalse(f1.isCancelled());
1180	<	assertTrue(f2.isCancelled());
1181	<	} catch(Exception ex) {
1182	<	unexpectedException();
1183	<	} finally {
1184	<	joinPool(e);
1163	>	public void testTimedInvokeAll6() throws Exception {
1164	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1165	>	try (PoolCleaner cleaner = cleaner(e)) {
1166	>	for (long timeout = timeoutMillis();;) {
1167	>	List<Callable<String>> tasks = new ArrayList<>();
1168	>	tasks.add(new StringTask("0"));
1169	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1170	>	tasks.add(new StringTask("2"));
1171	>	long startTime = System.nanoTime();
1172	>	List<Future<String>> futures =
1173	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1174	>	assertEquals(tasks.size(), futures.size());
1175	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1176	>	for (Future future : futures)
1177	>	assertTrue(future.isDone());
1178	>	assertTrue(futures.get(1).isCancelled());
1179	>	try {
1180	>	assertEquals("0", futures.get(0).get());
1181	>	assertEquals("2", futures.get(2).get());
1182	>	break;
1183	>	} catch (CancellationException retryWithLongerTimeout) {
1184	>	timeout *= 2;
1185	>	if (timeout >= LONG_DELAY_MS / 2)
1186	>	fail("expected exactly one task to be cancelled");
1187	>	}
1188	>	}
1189		}
1190		}
1191
1148	–
1192		}

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