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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.10 by dl, Mon Dec 22 00:48:56 2003 UTC vs.
Revision 1.53 by jsr166, Sun Sep 27 18:50:50 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import junit.framework.*;
10	<	import java.util.*;
11	<	import java.util.concurrent.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>
11	>	import java.util.ArrayList;
12	>	import java.util.List;
13	>	import java.util.concurrent.BlockingQueue;
14	>	import java.util.concurrent.Callable;
15	>	import java.util.concurrent.CancellationException;
16	>	import java.util.concurrent.CountDownLatch;
17	>	import java.util.concurrent.ExecutionException;
18	>	import java.util.concurrent.Executors;
19	>	import java.util.concurrent.ExecutorService;
20	>	import java.util.concurrent.Future;
21	>	import java.util.concurrent.RejectedExecutionException;
22	>	import java.util.concurrent.ScheduledFuture;
23	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
24	>	import java.util.concurrent.ThreadFactory;
25	>	import java.util.concurrent.ThreadPoolExecutor;
26	>	import java.util.concurrent.atomic.AtomicInteger;
27	>
28	>	import junit.framework.Test;
29	>	import junit.framework.TestSuite;
30
31		public class ScheduledExecutorTest extends JSR166TestCase {
32		public static void main(String[] args) {
33	<	junit.textui.TestRunner.run (suite());
33	>	main(suite(), args);
34		}
35		public static Test suite() {
36	<	return new TestSuite(ScheduledExecutorTest.class);
36	>	return new TestSuite(ScheduledExecutorTest.class);
37		}
38
20	–
39		/**
40		* execute successfully executes a runnable
41		*/
42	<	public void testExecute() {
43	<	try {
44	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
45	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
46	<	p1.execute(runnable);
47	<	assertFalse(runnable.done);
48	<	Thread.sleep(SHORT_DELAY_MS);
49	<	p1.shutdown();
50	<	try {
51	<	Thread.sleep(MEDIUM_DELAY_MS);
52	<	} catch(InterruptedException e){
53	<	unexpectedException();
36	<	}
37	<	assertTrue(runnable.done);
38	<	p1.shutdown();
39	<	joinPool(p1);
40	<	}
41	<	catch(Exception e){
42	<	unexpectedException();
42	>	public void testExecute() throws InterruptedException {
43	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
44	>	final CountDownLatch done = new CountDownLatch(1);
45	>	final Runnable task = new CheckedRunnable() {
46	>	public void realRun() {
47	>	done.countDown();
48	>	}};
49	>	try {
50	>	p.execute(task);
51	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
52	>	} finally {
53	>	joinPool(p);
54		}
44	–
55		}
56
47	–
57		/**
58		* delayed schedule of callable successfully executes after delay
59		*/
60	<	public void testSchedule1() {
61	<	try {
62	<	TrackedCallable callable = new TrackedCallable();
63	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
64	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
65	<	assertFalse(callable.done);
66	<	Thread.sleep(MEDIUM_DELAY_MS);
67	<	assertTrue(callable.done);
68	<	assertEquals(Boolean.TRUE, f.get());
69	<	p1.shutdown();
70	<	joinPool(p1);
71	<	} catch(RejectedExecutionException e){}
72	<	catch(Exception e){
73	<	e.printStackTrace();
74	<	unexpectedException();
60	>	public void testSchedule1() throws Exception {
61	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
62	>	final long startTime = System.nanoTime();
63	>	final CountDownLatch done = new CountDownLatch(1);
64	>	try {
65	>	Callable task = new CheckedCallable<Boolean>() {
66	>	public Boolean realCall() {
67	>	done.countDown();
68	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
69	>	return Boolean.TRUE;
70	>	}};
71	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
72	>	assertSame(Boolean.TRUE, f.get());
73	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
74	>	assertTrue(done.await(0L, MILLISECONDS));
75	>	} finally {
76	>	joinPool(p);
77		}
78		}
79
80		/**
81	<	*  delayed schedule of runnable successfully executes after delay
82	<	*/
83	<	public void testSchedule3() {
84	<	try {
85	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
86	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
87	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
88	<	Thread.sleep(SHORT_DELAY_MS);
89	<	assertFalse(runnable.done);
90	<	Thread.sleep(MEDIUM_DELAY_MS);
91	<	assertTrue(runnable.done);
92	<	p1.shutdown();
93	<	joinPool(p1);
94	<	} catch(Exception e){
95	<	unexpectedException();
81	>	* delayed schedule of runnable successfully executes after delay
82	>	*/
83	>	public void testSchedule3() throws Exception {
84	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
85	>	final long startTime = System.nanoTime();
86	>	final CountDownLatch done = new CountDownLatch(1);
87	>	try {
88	>	Runnable task = new CheckedRunnable() {
89	>	public void realRun() {
90	>	done.countDown();
91	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
92	>	}};
93	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
94	>	await(done);
95	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
96	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
97	>	} finally {
98	>	joinPool(p);
99		}
100		}
101	<
101	>
102		/**
103		* scheduleAtFixedRate executes runnable after given initial delay
104		*/
105	<	public void testSchedule4() {
106	<	try {
107	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
108	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
109	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
110	<	assertFalse(runnable.done);
111	<	Thread.sleep(MEDIUM_DELAY_MS);
112	<	assertTrue(runnable.done);
113	<	h.cancel(true);
114	<	p1.shutdown();
115	<	joinPool(p1);
116	<	} catch(Exception e){
117	<	unexpectedException();
105	>	public void testSchedule4() throws Exception {
106	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
107	>	final long startTime = System.nanoTime();
108	>	final CountDownLatch done = new CountDownLatch(1);
109	>	try {
110	>	Runnable task = new CheckedRunnable() {
111	>	public void realRun() {
112	>	done.countDown();
113	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
114	>	}};
115	>	ScheduledFuture f =
116	>	p.scheduleAtFixedRate(task, timeoutMillis(),
117	>	LONG_DELAY_MS, MILLISECONDS);
118	>	await(done);
119	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
120	>	f.cancel(true);
121	>	} finally {
122	>	joinPool(p);
123		}
124		}
125
126		/**
127		* scheduleWithFixedDelay executes runnable after given initial delay
128		*/
129	<	public void testSchedule5() {
130	<	try {
131	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
132	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
133	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
134	<	assertFalse(runnable.done);
135	<	Thread.sleep(MEDIUM_DELAY_MS);
136	<	assertTrue(runnable.done);
137	<	h.cancel(true);
138	<	p1.shutdown();
139	<	joinPool(p1);
140	<	} catch(Exception e){
141	<	unexpectedException();
129	>	public void testSchedule5() throws Exception {
130	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
131	>	final long startTime = System.nanoTime();
132	>	final CountDownLatch done = new CountDownLatch(1);
133	>	try {
134	>	Runnable task = new CheckedRunnable() {
135	>	public void realRun() {
136	>	done.countDown();
137	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
138	>	}};
139	>	ScheduledFuture f =
140	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
141	>	LONG_DELAY_MS, MILLISECONDS);
142	>	await(done);
143	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
144	>	f.cancel(true);
145	>	} finally {
146	>	joinPool(p);
147	>	}
148	>	}
149	>
150	>	static class RunnableCounter implements Runnable {
151	>	AtomicInteger count = new AtomicInteger(0);
152	>	public void run() { count.getAndIncrement(); }
153	>	}
154	>
155	>	/**
156	>	* scheduleAtFixedRate executes series of tasks at given rate
157	>	*/
158	>	public void testFixedRateSequence() throws InterruptedException {
159	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
160	>	try {
161	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
162	>	long startTime = System.nanoTime();
163	>	int cycles = 10;
164	>	final CountDownLatch done = new CountDownLatch(cycles);
165	>	Runnable task = new CheckedRunnable() {
166	>	public void realRun() { done.countDown(); }};
167	>	ScheduledFuture h =
168	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
169	>	done.await();
170	>	h.cancel(true);
171	>	double normalizedTime =
172	>	(double) millisElapsedSince(startTime) / delay;
173	>	if (normalizedTime >= cycles - 1 &&
174	>	normalizedTime <= cycles)
175	>	return;
176	>	}
177	>	throw new AssertionError("unexpected execution rate");
178	>	} finally {
179	>	joinPool(p);
180	>	}
181	>	}
182	>
183	>	/**
184	>	* scheduleWithFixedDelay executes series of tasks with given period
185	>	*/
186	>	public void testFixedDelaySequence() throws InterruptedException {
187	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
188	>	try {
189	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
190	>	long startTime = System.nanoTime();
191	>	int cycles = 10;
192	>	final CountDownLatch done = new CountDownLatch(cycles);
193	>	Runnable task = new CheckedRunnable() {
194	>	public void realRun() { done.countDown(); }};
195	>	ScheduledFuture h =
196	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
197	>	done.await();
198	>	h.cancel(true);
199	>	double normalizedTime =
200	>	(double) millisElapsedSince(startTime) / delay;
201	>	if (normalizedTime >= cycles - 1 &&
202	>	normalizedTime <= cycles)
203	>	return;
204	>	}
205	>	throw new AssertionError("unexpected execution rate");
206	>	} finally {
207	>	joinPool(p);
208		}
209		}
210	<
210	>
211		/**
212	<	*  execute (null) throws NPE
212	>	* execute(null) throws NPE
213		*/
214	<	public void testExecuteNull() {
214	>	public void testExecuteNull() throws InterruptedException {
215		ScheduledThreadPoolExecutor se = null;
216		try {
217	<	se = new ScheduledThreadPoolExecutor(1);
218	<	se.execute(null);
217	>	se = new ScheduledThreadPoolExecutor(1);
218	>	se.execute(null);
219		shouldThrow();
220	<	} catch(NullPointerException success){}
221	<	catch(Exception e){
222	<	unexpectedException();
138	<	}
139	<
140	<	joinPool(se);
220	>	} catch (NullPointerException success) {}
221	>
222	>	joinPool(se);
223		}
224
225		/**
226	<	* schedule (null) throws NPE
226	>	* schedule(null) throws NPE
227		*/
228	<	public void testScheduleNull() {
228	>	public void testScheduleNull() throws InterruptedException {
229		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
230	<	try {
230	>	try {
231		TrackedCallable callable = null;
232	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
232	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
233		shouldThrow();
234	<	} catch(NullPointerException success){}
235	<	catch(Exception e){
154	<	unexpectedException();
155	<	}
156	<	joinPool(se);
234	>	} catch (NullPointerException success) {}
235	>	joinPool(se);
236		}
237	<
237	>
238		/**
239		* execute throws RejectedExecutionException if shutdown
240		*/
241	<	public void testSchedule1_RejectedExecutionException() {
241	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
242		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
243		try {
244		se.shutdown();
245		se.schedule(new NoOpRunnable(),
246	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
246	>	MEDIUM_DELAY_MS, MILLISECONDS);
247		shouldThrow();
248	<	} catch(RejectedExecutionException success){
248	>	} catch (RejectedExecutionException success) {
249	>	} catch (SecurityException ok) {
250		}
171	–	joinPool(se);
251
252	+	joinPool(se);
253		}
254
255		/**
256		* schedule throws RejectedExecutionException if shutdown
257		*/
258	<	public void testSchedule2_RejectedExecutionException() {
258	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
259		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
260		try {
261		se.shutdown();
262		se.schedule(new NoOpCallable(),
263	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
263	>	MEDIUM_DELAY_MS, MILLISECONDS);
264		shouldThrow();
265	<	} catch(RejectedExecutionException success){
265	>	} catch (RejectedExecutionException success) {
266	>	} catch (SecurityException ok) {
267		}
268		joinPool(se);
269		}
#	Line 190 | Line 271 | public class ScheduledExecutorTest exten
271		/**
272		* schedule callable throws RejectedExecutionException if shutdown
273		*/
274	<	public void testSchedule3_RejectedExecutionException() {
275	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
276	<	try {
274	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
275	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
276	>	try {
277		se.shutdown();
278		se.schedule(new NoOpCallable(),
279	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
279	>	MEDIUM_DELAY_MS, MILLISECONDS);
280		shouldThrow();
281	<	} catch(RejectedExecutionException success){
282	<	}
283	<	joinPool(se);
281	>	} catch (RejectedExecutionException success) {
282	>	} catch (SecurityException ok) {
283	>	}
284	>	joinPool(se);
285		}
286
287		/**
288	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
288	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
289		*/
290	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
290	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
291		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
292		try {
293		se.shutdown();
294		se.scheduleAtFixedRate(new NoOpRunnable(),
295	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
295	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
296		shouldThrow();
297	<	} catch(RejectedExecutionException success){
298	<	}
297	>	} catch (RejectedExecutionException success) {
298	>	} catch (SecurityException ok) {
299	>	}
300		joinPool(se);
301		}
302	<
302	>
303		/**
304		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
305		*/
306	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
306	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
307		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
308		try {
309		se.shutdown();
310		se.scheduleWithFixedDelay(new NoOpRunnable(),
311	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
311	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
312		shouldThrow();
313	<	} catch(RejectedExecutionException success){
314	<	}
313	>	} catch (RejectedExecutionException success) {
314	>	} catch (SecurityException ok) {
315	>	}
316		joinPool(se);
317		}
318
319		/**
320	<	*  getActiveCount increases but doesn't overestimate, when a
321	<	*  thread becomes active
320	>	* getActiveCount increases but doesn't overestimate, when a
321	>	* thread becomes active
322		*/
323	<	public void testGetActiveCount() {
324	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
325	<	assertEquals(0, p2.getActiveCount());
326	<	p2.execute(new SmallRunnable());
327	<	try {
328	<	Thread.sleep(SHORT_DELAY_MS);
329	<	} catch(Exception e){
330	<	unexpectedException();
323	>	public void testGetActiveCount() throws InterruptedException {
324	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
325	>	final CountDownLatch threadStarted = new CountDownLatch(1);
326	>	final CountDownLatch done = new CountDownLatch(1);
327	>	try {
328	>	assertEquals(0, p.getActiveCount());
329	>	p.execute(new CheckedRunnable() {
330	>	public void realRun() throws InterruptedException {
331	>	threadStarted.countDown();
332	>	assertEquals(1, p.getActiveCount());
333	>	done.await();
334	>	}});
335	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
336	>	assertEquals(1, p.getActiveCount());
337	>	} finally {
338	>	done.countDown();
339	>	joinPool(p);
340		}
248	–	assertEquals(1, p2.getActiveCount());
249	–	joinPool(p2);
341		}
342	<
342	>
343		/**
344	<	*    getCompletedTaskCount increases, but doesn't overestimate,
345	<	*   when tasks complete
344	>	* getCompletedTaskCount increases, but doesn't overestimate,
345	>	* when tasks complete
346		*/
347	<	public void testGetCompletedTaskCount() {
348	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
349	<	assertEquals(0, p2.getCompletedTaskCount());
350	<	p2.execute(new SmallRunnable());
351	<	try {
352	<	Thread.sleep(MEDIUM_DELAY_MS);
353	<	} catch(Exception e){
354	<	unexpectedException();
347	>	public void testGetCompletedTaskCount() throws InterruptedException {
348	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
349	>	final CountDownLatch threadStarted = new CountDownLatch(1);
350	>	final CountDownLatch threadProceed = new CountDownLatch(1);
351	>	final CountDownLatch threadDone = new CountDownLatch(1);
352	>	try {
353	>	assertEquals(0, p.getCompletedTaskCount());
354	>	p.execute(new CheckedRunnable() {
355	>	public void realRun() throws InterruptedException {
356	>	threadStarted.countDown();
357	>	assertEquals(0, p.getCompletedTaskCount());
358	>	threadProceed.await();
359	>	threadDone.countDown();
360	>	}});
361	>	await(threadStarted);
362	>	assertEquals(0, p.getCompletedTaskCount());
363	>	threadProceed.countDown();
364	>	threadDone.await();
365	>	long startTime = System.nanoTime();
366	>	while (p.getCompletedTaskCount() != 1) {
367	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
368	>	fail("timed out");
369	>	Thread.yield();
370	>	}
371	>	} finally {
372	>	joinPool(p);
373		}
265	–	assertEquals(1, p2.getCompletedTaskCount());
266	–	joinPool(p2);
374		}
375	<
375	>
376		/**
377	<	*  getCorePoolSize returns size given in constructor if not otherwise set
377	>	* getCorePoolSize returns size given in constructor if not otherwise set
378		*/
379	<	public void testGetCorePoolSize() {
380	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
381	<	assertEquals(1, p1.getCorePoolSize());
382	<	joinPool(p1);
379	>	public void testGetCorePoolSize() throws InterruptedException {
380	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
381	>	assertEquals(1, p.getCorePoolSize());
382	>	joinPool(p);
383		}
384	<
384	>
385		/**
386	<	*    getLargestPoolSize increases, but doesn't overestimate, when
387	<	*   multiple threads active
386	>	* getLargestPoolSize increases, but doesn't overestimate, when
387	>	* multiple threads active
388		*/
389	<	public void testGetLargestPoolSize() {
390	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
391	<	assertEquals(0, p2.getLargestPoolSize());
392	<	p2.execute(new SmallRunnable());
393	<	p2.execute(new SmallRunnable());
394	<	try {
395	<	Thread.sleep(SHORT_DELAY_MS);
396	<	} catch(Exception e){
397	<	unexpectedException();
389	>	public void testGetLargestPoolSize() throws InterruptedException {
390	>	final int THREADS = 3;
391	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
392	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
393	>	final CountDownLatch done = new CountDownLatch(1);
394	>	try {
395	>	assertEquals(0, p.getLargestPoolSize());
396	>	for (int i = 0; i < THREADS; i++)
397	>	p.execute(new CheckedRunnable() {
398	>	public void realRun() throws InterruptedException {
399	>	threadsStarted.countDown();
400	>	done.await();
401	>	assertEquals(THREADS, p.getLargestPoolSize());
402	>	}});
403	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
404	>	assertEquals(THREADS, p.getLargestPoolSize());
405	>	} finally {
406	>	done.countDown();
407	>	joinPool(p);
408	>	assertEquals(THREADS, p.getLargestPoolSize());
409		}
292	–	assertEquals(2, p2.getLargestPoolSize());
293	–	joinPool(p2);
410		}
411	<
411	>
412		/**
413	<	*   getPoolSize increases, but doesn't overestimate, when threads
414	<	*   become active
413	>	* getPoolSize increases, but doesn't overestimate, when threads
414	>	* become active
415		*/
416	<	public void testGetPoolSize() {
417	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
418	<	assertEquals(0, p1.getPoolSize());
419	<	p1.execute(new SmallRunnable());
420	<	assertEquals(1, p1.getPoolSize());
421	<	joinPool(p1);
416	>	public void testGetPoolSize() throws InterruptedException {
417	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
418	>	final CountDownLatch threadStarted = new CountDownLatch(1);
419	>	final CountDownLatch done = new CountDownLatch(1);
420	>	try {
421	>	assertEquals(0, p.getPoolSize());
422	>	p.execute(new CheckedRunnable() {
423	>	public void realRun() throws InterruptedException {
424	>	threadStarted.countDown();
425	>	assertEquals(1, p.getPoolSize());
426	>	done.await();
427	>	}});
428	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
429	>	assertEquals(1, p.getPoolSize());
430	>	} finally {
431	>	done.countDown();
432	>	joinPool(p);
433	>	}
434		}
435	<
435	>
436		/**
437	<	*    getTaskCount increases, but doesn't overestimate, when tasks
438	<	*    submitted
437	>	* getTaskCount increases, but doesn't overestimate, when tasks
438	>	* submitted
439		*/
440	<	public void testGetTaskCount() {
441	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
442	<	assertEquals(0, p1.getTaskCount());
443	<	for(int i = 0; i < 5; i++)
444	<	p1.execute(new SmallRunnable());
445	<	try {
446	<	Thread.sleep(SHORT_DELAY_MS);
447	<	} catch(Exception e){
448	<	unexpectedException();
440	>	public void testGetTaskCount() throws InterruptedException {
441	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
442	>	final CountDownLatch threadStarted = new CountDownLatch(1);
443	>	final CountDownLatch done = new CountDownLatch(1);
444	>	final int TASKS = 5;
445	>	try {
446	>	assertEquals(0, p.getTaskCount());
447	>	for (int i = 0; i < TASKS; i++)
448	>	p.execute(new CheckedRunnable() {
449	>	public void realRun() throws InterruptedException {
450	>	threadStarted.countDown();
451	>	done.await();
452	>	}});
453	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
454	>	assertEquals(TASKS, p.getTaskCount());
455	>	} finally {
456	>	done.countDown();
457	>	joinPool(p);
458		}
322	–	assertEquals(5, p1.getTaskCount());
323	–	joinPool(p1);
459		}
460
461	<	/**
461	>	/**
462		* getThreadFactory returns factory in constructor if not set
463		*/
464	<	public void testGetThreadFactory() {
464	>	public void testGetThreadFactory() throws InterruptedException {
465		ThreadFactory tf = new SimpleThreadFactory();
466	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
466	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
467		assertSame(tf, p.getThreadFactory());
333	–	p.shutdown();
468		joinPool(p);
469		}
470
471	<	/**
471	>	/**
472		* setThreadFactory sets the thread factory returned by getThreadFactory
473		*/
474	<	public void testSetThreadFactory() {
474	>	public void testSetThreadFactory() throws InterruptedException {
475		ThreadFactory tf = new SimpleThreadFactory();
476	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
476	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
477		p.setThreadFactory(tf);
478		assertSame(tf, p.getThreadFactory());
345	–	p.shutdown();
479		joinPool(p);
480		}
481
482	<	/**
482	>	/**
483		* setThreadFactory(null) throws NPE
484		*/
485	<	public void testSetThreadFactoryNull() {
486	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
485	>	public void testSetThreadFactoryNull() throws InterruptedException {
486	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
487		try {
488		p.setThreadFactory(null);
489		shouldThrow();
#	Line 359 | Line 492 | public class ScheduledExecutorTest exten
492		joinPool(p);
493		}
494		}
495	<
495	>
496		/**
497	<	*   is isShutDown is false before shutdown, true after
497	>	* isShutdown is false before shutdown, true after
498		*/
499		public void testIsShutdown() {
500	<
501	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
500	>
501	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
502		try {
503	<	assertFalse(p1.isShutdown());
503	>	assertFalse(p.isShutdown());
504		}
505		finally {
506	<	p1.shutdown();
506	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
507		}
508	<	assertTrue(p1.isShutdown());
508	>	assertTrue(p.isShutdown());
509		}
510
378	–
511		/**
512	<	*   isTerminated is false before termination, true after
512	>	* isTerminated is false before termination, true after
513		*/
514	<	public void testIsTerminated() {
515	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
514	>	public void testIsTerminated() throws InterruptedException {
515	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
516	>	final CountDownLatch threadStarted = new CountDownLatch(1);
517	>	final CountDownLatch done = new CountDownLatch(1);
518	>	assertFalse(p.isTerminated());
519		try {
520	<	p1.execute(new SmallRunnable());
520	>	p.execute(new CheckedRunnable() {
521	>	public void realRun() throws InterruptedException {
522	>	assertFalse(p.isTerminated());
523	>	threadStarted.countDown();
524	>	done.await();
525	>	}});
526	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
527	>	assertFalse(p.isTerminating());
528	>	done.countDown();
529		} finally {
530	<	p1.shutdown();
530	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
531		}
532	<	try {
533	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
391	<	assertTrue(p1.isTerminated());
392	<	} catch(Exception e){
393	<	unexpectedException();
394	<	}
532	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
533	>	assertTrue(p.isTerminated());
534		}
535
536		/**
537	<	*  isTerminating is not true when running or when terminated
537	>	* isTerminating is not true when running or when terminated
538		*/
539	<	public void testIsTerminating() {
540	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
541	<	assertFalse(p1.isTerminating());
542	<	try {
543	<	p1.execute(new SmallRunnable());
544	<	assertFalse(p1.isTerminating());
539	>	public void testIsTerminating() throws InterruptedException {
540	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
541	>	final CountDownLatch threadStarted = new CountDownLatch(1);
542	>	final CountDownLatch done = new CountDownLatch(1);
543	>	try {
544	>	assertFalse(p.isTerminating());
545	>	p.execute(new CheckedRunnable() {
546	>	public void realRun() throws InterruptedException {
547	>	assertFalse(p.isTerminating());
548	>	threadStarted.countDown();
549	>	done.await();
550	>	}});
551	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
552	>	assertFalse(p.isTerminating());
553	>	done.countDown();
554		} finally {
555	<	p1.shutdown();
555	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
556		}
557	<	try {
558	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
559	<	assertTrue(p1.isTerminated());
412	<	assertFalse(p1.isTerminating());
413	<	} catch(Exception e){
414	<	unexpectedException();
415	<	}
557	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
558	>	assertTrue(p.isTerminated());
559	>	assertFalse(p.isTerminating());
560		}
561
562		/**
563		* getQueue returns the work queue, which contains queued tasks
564		*/
565	<	public void testGetQueue() {
566	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
567	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
568	<	for(int i = 0; i < 5; i++){
425	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
426	<	}
565	>	public void testGetQueue() throws InterruptedException {
566	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
567	>	final CountDownLatch threadStarted = new CountDownLatch(1);
568	>	final CountDownLatch done = new CountDownLatch(1);
569		try {
570	<	Thread.sleep(SHORT_DELAY_MS);
571	<	BlockingQueue<Runnable> q = p1.getQueue();
572	<	assertTrue(q.contains(tasks[4]));
570	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
571	>	for (int i = 0; i < tasks.length; i++) {
572	>	Runnable r = new CheckedRunnable() {
573	>	public void realRun() throws InterruptedException {
574	>	threadStarted.countDown();
575	>	done.await();
576	>	}};
577	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
578	>	}
579	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
580	>	BlockingQueue<Runnable> q = p.getQueue();
581	>	assertTrue(q.contains(tasks[tasks.length - 1]));
582		assertFalse(q.contains(tasks[0]));
432	–	p1.shutdownNow();
433	–	} catch(Exception e) {
434	–	unexpectedException();
583		} finally {
584	<	joinPool(p1);
584	>	done.countDown();
585	>	joinPool(p);
586		}
587		}
588
589		/**
590		* remove(task) removes queued task, and fails to remove active task
591		*/
592	<	public void testRemove() {
593	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
592	>	public void testRemove() throws InterruptedException {
593	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
594		ScheduledFuture[] tasks = new ScheduledFuture[5];
595	<	for(int i = 0; i < 5; i++){
596	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
448	<	}
595	>	final CountDownLatch threadStarted = new CountDownLatch(1);
596	>	final CountDownLatch done = new CountDownLatch(1);
597		try {
598	<	Thread.sleep(SHORT_DELAY_MS);
599	<	BlockingQueue<Runnable> q = p1.getQueue();
600	<	assertFalse(p1.remove((Runnable)tasks[0]));
598	>	for (int i = 0; i < tasks.length; i++) {
599	>	Runnable r = new CheckedRunnable() {
600	>	public void realRun() throws InterruptedException {
601	>	threadStarted.countDown();
602	>	done.await();
603	>	}};
604	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
605	>	}
606	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
607	>	BlockingQueue<Runnable> q = p.getQueue();
608	>	assertFalse(p.remove((Runnable)tasks[0]));
609		assertTrue(q.contains((Runnable)tasks[4]));
610		assertTrue(q.contains((Runnable)tasks[3]));
611	<	assertTrue(p1.remove((Runnable)tasks[4]));
612	<	assertFalse(p1.remove((Runnable)tasks[4]));
611	>	assertTrue(p.remove((Runnable)tasks[4]));
612	>	assertFalse(p.remove((Runnable)tasks[4]));
613		assertFalse(q.contains((Runnable)tasks[4]));
614		assertTrue(q.contains((Runnable)tasks[3]));
615	<	assertTrue(p1.remove((Runnable)tasks[3]));
615	>	assertTrue(p.remove((Runnable)tasks[3]));
616		assertFalse(q.contains((Runnable)tasks[3]));
461	–	p1.shutdownNow();
462	–	} catch(Exception e) {
463	–	unexpectedException();
617		} finally {
618	<	joinPool(p1);
618	>	done.countDown();
619	>	joinPool(p);
620		}
621		}
622
623		/**
624	<	*  purge removes cancelled tasks from the queue
624	>	* purge eventually removes cancelled tasks from the queue
625		*/
626	<	public void testPurge() {
627	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
626	>	public void testPurge() throws InterruptedException {
627	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
628		ScheduledFuture[] tasks = new ScheduledFuture[5];
629	<	for(int i = 0; i < 5; i++){
630	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
629	>	for (int i = 0; i < tasks.length; i++)
630	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
631	>	LONG_DELAY_MS, MILLISECONDS);
632	>	try {
633	>	int max = tasks.length;
634	>	if (tasks[4].cancel(true)) --max;
635	>	if (tasks[3].cancel(true)) --max;
636	>	// There must eventually be an interference-free point at
637	>	// which purge will not fail. (At worst, when queue is empty.)
638	>	long startTime = System.nanoTime();
639	>	do {
640	>	p.purge();
641	>	long count = p.getTaskCount();
642	>	if (count == max)
643	>	return;
644	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
645	>	fail("Purge failed to remove cancelled tasks");
646	>	} finally {
647	>	for (ScheduledFuture task : tasks)
648	>	task.cancel(true);
649	>	joinPool(p);
650		}
478	–	int max = 5;
479	–	if (tasks[4].cancel(true)) --max;
480	–	if (tasks[3].cancel(true)) --max;
481	–	p1.purge();
482	–	long count = p1.getTaskCount();
483	–	assertTrue(count > 0 && count <= max);
484	–	joinPool(p1);
651		}
652
653		/**
654	<	*  shutDownNow returns a list containing tasks that were not run
655	<	*/
656	<	public void testShutDownNow() {
657	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
658	<	for(int i = 0; i < 5; i++)
659	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
660	<	List l = p1.shutdownNow();
661	<	assertTrue(p1.isShutdown());
662	<	assertTrue(l.size() > 0 && l.size() <= 5);
663	<	joinPool(p1);
654	>	* shutdownNow returns a list containing tasks that were not run,
655	>	* and those tasks are drained from the queue
656	>	*/
657	>	public void testShutdownNow() {
658	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
659	>	for (int i = 0; i < 5; i++)
660	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
661	>	LONG_DELAY_MS, MILLISECONDS);
662	>	try {
663	>	List<Runnable> l = p.shutdownNow();
664	>	assertTrue(p.isShutdown());
665	>	assertTrue(p.getQueue().isEmpty());
666	>	assertEquals(5, l.size());
667	>	} catch (SecurityException ok) {
668	>	// Allowed in case test doesn't have privs
669	>	} finally {
670	>	joinPool(p);
671	>	}
672		}
673
674		/**
675		* In default setting, shutdown cancels periodic but not delayed
676		* tasks at shutdown
677		*/
678	<	public void testShutDown1() {
679	<	try {
680	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
681	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
508	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
678	>	public void testShutdown1() throws InterruptedException {
679	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
680	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
681	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
682
683	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
684	<	for(int i = 0; i < 5; i++)
685	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
686	<	p1.shutdown();
687	<	BlockingQueue q = p1.getQueue();
688	<	for (Iterator it = q.iterator(); it.hasNext();) {
689	<	ScheduledFuture t = (ScheduledFuture)it.next();
690	<	assertFalse(t.isCancelled());
691	<	}
692	<	assertTrue(p1.isShutdown());
520	<	Thread.sleep(SMALL_DELAY_MS);
521	<	for (int i = 0; i < 5; ++i) {
522	<	assertTrue(tasks[i].isDone());
523	<	assertFalse(tasks[i].isCancelled());
524	<	}
525	<
683	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
684	>	for (int i = 0; i < tasks.length; i++)
685	>	tasks[i] = p.schedule(new NoOpRunnable(),
686	>	SHORT_DELAY_MS, MILLISECONDS);
687	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
688	>	BlockingQueue<Runnable> q = p.getQueue();
689	>	for (ScheduledFuture task : tasks) {
690	>	assertFalse(task.isDone());
691	>	assertFalse(task.isCancelled());
692	>	assertTrue(q.contains(task));
693		}
694	<	catch(Exception ex) {
695	<	unexpectedException();
694	>	assertTrue(p.isShutdown());
695	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
696	>	assertTrue(p.isTerminated());
697	>	for (ScheduledFuture task : tasks) {
698	>	assertTrue(task.isDone());
699	>	assertFalse(task.isCancelled());
700		}
701		}
702
532	–
703		/**
704		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
705		* delayed tasks are cancelled at shutdown
706		*/
707	<	public void testShutDown2() {
708	<	try {
709	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
710	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
711	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
712	<	for(int i = 0; i < 5; i++)
713	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
714	<	p1.shutdown();
715	<	assertTrue(p1.isShutdown());
716	<	BlockingQueue q = p1.getQueue();
717	<	assertTrue(q.isEmpty());
718	<	Thread.sleep(SMALL_DELAY_MS);
719	<	assertTrue(p1.isTerminated());
720	<	}
721	<	catch(Exception ex) {
722	<	unexpectedException();
707	>	public void testShutdown2() throws InterruptedException {
708	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
709	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
710	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
711	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
712	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
713	>	for (int i = 0; i < tasks.length; i++)
714	>	tasks[i] = p.schedule(new NoOpRunnable(),
715	>	SHORT_DELAY_MS, MILLISECONDS);
716	>	BlockingQueue q = p.getQueue();
717	>	assertEquals(tasks.length, q.size());
718	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
719	>	assertTrue(p.isShutdown());
720	>	assertTrue(q.isEmpty());
721	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
722	>	assertTrue(p.isTerminated());
723	>	for (ScheduledFuture task : tasks) {
724	>	assertTrue(task.isDone());
725	>	assertTrue(task.isCancelled());
726		}
727		}
728
556	–
729		/**
730		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
731	<	* periodic tasks are not cancelled at shutdown
731	>	* periodic tasks are cancelled at shutdown
732		*/
733	<	public void testShutDown3() {
734	<	try {
735	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
736	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
737	<	ScheduledFuture task =
738	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
739	<	p1.shutdown();
740	<	assertTrue(p1.isShutdown());
741	<	BlockingQueue q = p1.getQueue();
742	<	assertTrue(q.isEmpty());
743	<	Thread.sleep(SHORT_DELAY_MS);
744	<	assertTrue(p1.isTerminated());
745	<	}
746	<	catch(Exception ex) {
747	<	unexpectedException();
748	<	}
733	>	public void testShutdown3() throws InterruptedException {
734	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
735	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
736	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
737	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
738	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
739	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
740	>	long initialDelay = LONG_DELAY_MS;
741	>	ScheduledFuture task =
742	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
743	>	5, MILLISECONDS);
744	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
745	>	assertTrue(p.isShutdown());
746	>	assertTrue(p.getQueue().isEmpty());
747	>	assertTrue(task.isDone());
748	>	assertTrue(task.isCancelled());
749	>	joinPool(p);
750		}
751
752		/**
753		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
754	<	* periodic tasks are cancelled at shutdown
754	>	* periodic tasks are not cancelled at shutdown
755		*/
756	<	public void testShutDown4() {
757	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
758	<	try {
759	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
756	>	public void testShutdown4() throws InterruptedException {
757	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
758	>	final CountDownLatch counter = new CountDownLatch(2);
759	>	try {
760	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
761	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
762	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
763	>	final Runnable r = new CheckedRunnable() {
764	>	public void realRun() {
765	>	counter.countDown();
766	>	}};
767		ScheduledFuture task =
768	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
768	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
769	>	assertFalse(task.isDone());
770		assertFalse(task.isCancelled());
771	<	p1.shutdown();
771	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
772		assertFalse(task.isCancelled());
773	<	assertFalse(p1.isTerminated());
774	<	assertTrue(p1.isShutdown());
775	<	Thread.sleep(SHORT_DELAY_MS);
773	>	assertFalse(p.isTerminated());
774	>	assertTrue(p.isShutdown());
775	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
776		assertFalse(task.isCancelled());
777	<	task.cancel(true);
777	>	assertTrue(task.cancel(false));
778	>	assertTrue(task.isDone());
779		assertTrue(task.isCancelled());
780	<	Thread.sleep(SHORT_DELAY_MS);
781	<	assertTrue(p1.isTerminated());
600	<	}
601	<	catch(Exception ex) {
602	<	unexpectedException();
780	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
781	>	assertTrue(p.isTerminated());
782		}
783		finally {
784	<	p1.shutdownNow();
784	>	joinPool(p);
785		}
786		}
787
788		/**
789		* completed submit of callable returns result
790		*/
791	<	public void testSubmitCallable() {
791	>	public void testSubmitCallable() throws Exception {
792		ExecutorService e = new ScheduledThreadPoolExecutor(2);
793		try {
794		Future<String> future = e.submit(new StringTask());
795		String result = future.get();
796		assertSame(TEST_STRING, result);
618	–	}
619	–	catch (ExecutionException ex) {
620	–	unexpectedException();
621	–	}
622	–	catch (InterruptedException ex) {
623	–	unexpectedException();
797		} finally {
798		joinPool(e);
799		}
#	Line 629 | Line 802 | public class ScheduledExecutorTest exten
802		/**
803		* completed submit of runnable returns successfully
804		*/
805	<	public void testSubmitRunnable() {
805	>	public void testSubmitRunnable() throws Exception {
806		ExecutorService e = new ScheduledThreadPoolExecutor(2);
807		try {
808		Future<?> future = e.submit(new NoOpRunnable());
809		future.get();
810		assertTrue(future.isDone());
638	–	}
639	–	catch (ExecutionException ex) {
640	–	unexpectedException();
641	–	}
642	–	catch (InterruptedException ex) {
643	–	unexpectedException();
811		} finally {
812		joinPool(e);
813		}
#	Line 649 | Line 816 | public class ScheduledExecutorTest exten
816		/**
817		* completed submit of (runnable, result) returns result
818		*/
819	<	public void testSubmitRunnable2() {
819	>	public void testSubmitRunnable2() throws Exception {
820		ExecutorService e = new ScheduledThreadPoolExecutor(2);
821		try {
822		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
823		String result = future.get();
824		assertSame(TEST_STRING, result);
658	–	}
659	–	catch (ExecutionException ex) {
660	–	unexpectedException();
661	–	}
662	–	catch (InterruptedException ex) {
663	–	unexpectedException();
825		} finally {
826		joinPool(e);
827		}
828		}
829
669	–
670	–
671	–
672	–
830		/**
831		* invokeAny(null) throws NPE
832		*/
833	<	public void testInvokeAny1() {
833	>	public void testInvokeAny1() throws Exception {
834		ExecutorService e = new ScheduledThreadPoolExecutor(2);
835		try {
836		e.invokeAny(null);
837	+	shouldThrow();
838		} catch (NullPointerException success) {
681	–	} catch(Exception ex) {
682	–	unexpectedException();
839		} finally {
840		joinPool(e);
841		}
#	Line 688 | Line 844 | public class ScheduledExecutorTest exten
844		/**
845		* invokeAny(empty collection) throws IAE
846		*/
847	<	public void testInvokeAny2() {
847	>	public void testInvokeAny2() throws Exception {
848		ExecutorService e = new ScheduledThreadPoolExecutor(2);
849		try {
850		e.invokeAny(new ArrayList<Callable<String>>());
851	+	shouldThrow();
852		} catch (IllegalArgumentException success) {
696	–	} catch(Exception ex) {
697	–	unexpectedException();
853		} finally {
854		joinPool(e);
855		}
#	Line 703 | Line 858 | public class ScheduledExecutorTest exten
858		/**
859		* invokeAny(c) throws NPE if c has null elements
860		*/
861	<	public void testInvokeAny3() {
861	>	public void testInvokeAny3() throws Exception {
862	>	CountDownLatch latch = new CountDownLatch(1);
863		ExecutorService e = new ScheduledThreadPoolExecutor(2);
864	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
865	+	l.add(latchAwaitingStringTask(latch));
866	+	l.add(null);
867		try {
709	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
710	–	l.add(new StringTask());
711	–	l.add(null);
868		e.invokeAny(l);
869	+	shouldThrow();
870		} catch (NullPointerException success) {
714	–	} catch(Exception ex) {
715	–	unexpectedException();
871		} finally {
872	+	latch.countDown();
873		joinPool(e);
874		}
875		}
#	Line 721 | Line 877 | public class ScheduledExecutorTest exten
877		/**
878		* invokeAny(c) throws ExecutionException if no task completes
879		*/
880	<	public void testInvokeAny4() {
880	>	public void testInvokeAny4() throws Exception {
881		ExecutorService e = new ScheduledThreadPoolExecutor(2);
882	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
883	+	l.add(new NPETask());
884		try {
727	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
728	–	l.add(new NPETask());
885		e.invokeAny(l);
886	+	shouldThrow();
887		} catch (ExecutionException success) {
888	<	} catch(Exception ex) {
732	<	unexpectedException();
888	>	assertTrue(success.getCause() instanceof NullPointerException);
889		} finally {
890		joinPool(e);
891		}
#	Line 738 | Line 894 | public class ScheduledExecutorTest exten
894		/**
895		* invokeAny(c) returns result of some task
896		*/
897	<	public void testInvokeAny5() {
897	>	public void testInvokeAny5() throws Exception {
898		ExecutorService e = new ScheduledThreadPoolExecutor(2);
899		try {
900	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
900	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
901		l.add(new StringTask());
902		l.add(new StringTask());
903		String result = e.invokeAny(l);
904		assertSame(TEST_STRING, result);
749	–	} catch (ExecutionException success) {
750	–	} catch(Exception ex) {
751	–	unexpectedException();
905		} finally {
906		joinPool(e);
907		}
#	Line 757 | Line 910 | public class ScheduledExecutorTest exten
910		/**
911		* invokeAll(null) throws NPE
912		*/
913	<	public void testInvokeAll1() {
913	>	public void testInvokeAll1() throws Exception {
914		ExecutorService e = new ScheduledThreadPoolExecutor(2);
915		try {
916		e.invokeAll(null);
917	+	shouldThrow();
918		} catch (NullPointerException success) {
765	–	} catch(Exception ex) {
766	–	unexpectedException();
919		} finally {
920		joinPool(e);
921		}
#	Line 772 | Line 924 | public class ScheduledExecutorTest exten
924		/**
925		* invokeAll(empty collection) returns empty collection
926		*/
927	<	public void testInvokeAll2() {
927	>	public void testInvokeAll2() throws Exception {
928		ExecutorService e = new ScheduledThreadPoolExecutor(2);
929		try {
930		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
931		assertTrue(r.isEmpty());
780	–	} catch(Exception ex) {
781	–	unexpectedException();
932		} finally {
933		joinPool(e);
934		}
#	Line 787 | Line 937 | public class ScheduledExecutorTest exten
937		/**
938		* invokeAll(c) throws NPE if c has null elements
939		*/
940	<	public void testInvokeAll3() {
940	>	public void testInvokeAll3() throws Exception {
941		ExecutorService e = new ScheduledThreadPoolExecutor(2);
942	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
943	+	l.add(new StringTask());
944	+	l.add(null);
945		try {
793	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
794	–	l.add(new StringTask());
795	–	l.add(null);
946		e.invokeAll(l);
947	+	shouldThrow();
948		} catch (NullPointerException success) {
798	–	} catch(Exception ex) {
799	–	unexpectedException();
949		} finally {
950		joinPool(e);
951		}
#	Line 805 | Line 954 | public class ScheduledExecutorTest exten
954		/**
955		* get of invokeAll(c) throws exception on failed task
956		*/
957	<	public void testInvokeAll4() {
957	>	public void testInvokeAll4() throws Exception {
958		ExecutorService e = new ScheduledThreadPoolExecutor(2);
959	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
960	+	l.add(new NPETask());
961	+	List<Future<String>> futures = e.invokeAll(l);
962	+	assertEquals(1, futures.size());
963		try {
964	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
965	<	l.add(new NPETask());
966	<	List<Future<String>> result = e.invokeAll(l);
967	<	assertEquals(1, result.size());
815	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
816	<	it.next().get();
817	<	} catch(ExecutionException success) {
818	<	} catch(Exception ex) {
819	<	unexpectedException();
964	>	futures.get(0).get();
965	>	shouldThrow();
966	>	} catch (ExecutionException success) {
967	>	assertTrue(success.getCause() instanceof NullPointerException);
968		} finally {
969		joinPool(e);
970		}
#	Line 825 | Line 973 | public class ScheduledExecutorTest exten
973		/**
974		* invokeAll(c) returns results of all completed tasks
975		*/
976	<	public void testInvokeAll5() {
976	>	public void testInvokeAll5() throws Exception {
977		ExecutorService e = new ScheduledThreadPoolExecutor(2);
978		try {
979	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
979	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
980		l.add(new StringTask());
981		l.add(new StringTask());
982	<	List<Future<String>> result = e.invokeAll(l);
983	<	assertEquals(2, result.size());
984	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
985	<	assertSame(TEST_STRING, it.next().get());
982	>	List<Future<String>> futures = e.invokeAll(l);
983	>	assertEquals(2, futures.size());
984	>	for (Future<String> future : futures)
985	>	assertSame(TEST_STRING, future.get());
986	>	} finally {
987	>	joinPool(e);
988	>	}
989	>	}
990	>
991	>	/**
992	>	* timed invokeAny(null) throws NPE
993	>	*/
994	>	public void testTimedInvokeAny1() throws Exception {
995	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
996	>	try {
997	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
998	>	shouldThrow();
999	>	} catch (NullPointerException success) {
1000	>	} finally {
1001	>	joinPool(e);
1002	>	}
1003	>	}
1004	>
1005	>	/**
1006	>	* timed invokeAny(,,null) throws NPE
1007	>	*/
1008	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1009	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1010	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1011	>	l.add(new StringTask());
1012	>	try {
1013	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1014	>	shouldThrow();
1015	>	} catch (NullPointerException success) {
1016	>	} finally {
1017	>	joinPool(e);
1018	>	}
1019	>	}
1020	>
1021	>	/**
1022	>	* timed invokeAny(empty collection) throws IAE
1023	>	*/
1024	>	public void testTimedInvokeAny2() throws Exception {
1025	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1026	>	try {
1027	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1028	>	shouldThrow();
1029	>	} catch (IllegalArgumentException success) {
1030	>	} finally {
1031	>	joinPool(e);
1032	>	}
1033	>	}
1034	>
1035	>	/**
1036	>	* timed invokeAny(c) throws NPE if c has null elements
1037	>	*/
1038	>	public void testTimedInvokeAny3() throws Exception {
1039	>	CountDownLatch latch = new CountDownLatch(1);
1040	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1042	>	l.add(latchAwaitingStringTask(latch));
1043	>	l.add(null);
1044	>	try {
1045	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1046	>	shouldThrow();
1047	>	} catch (NullPointerException success) {
1048	>	} finally {
1049	>	latch.countDown();
1050	>	joinPool(e);
1051	>	}
1052	>	}
1053	>
1054	>	/**
1055	>	* timed invokeAny(c) throws ExecutionException if no task completes
1056	>	*/
1057	>	public void testTimedInvokeAny4() throws Exception {
1058	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1059	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1060	>	l.add(new NPETask());
1061	>	try {
1062	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1063	>	shouldThrow();
1064		} catch (ExecutionException success) {
1065	<	} catch(Exception ex) {
1066	<	unexpectedException();
1065	>	assertTrue(success.getCause() instanceof NullPointerException);
1066	>	} finally {
1067	>	joinPool(e);
1068	>	}
1069	>	}
1070	>
1071	>	/**
1072	>	* timed invokeAny(c) returns result of some task
1073	>	*/
1074	>	public void testTimedInvokeAny5() throws Exception {
1075	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1076	>	try {
1077	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1078	>	l.add(new StringTask());
1079	>	l.add(new StringTask());
1080	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1081	>	assertSame(TEST_STRING, result);
1082		} finally {
1083		joinPool(e);
1084		}
1085		}
1086
1087	+	/**
1088	+	* timed invokeAll(null) throws NPE
1089	+	*/
1090	+	public void testTimedInvokeAll1() throws Exception {
1091	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1092	+	try {
1093	+	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1094	+	shouldThrow();
1095	+	} catch (NullPointerException success) {
1096	+	} finally {
1097	+	joinPool(e);
1098	+	}
1099	+	}
1100	+
1101	+	/**
1102	+	* timed invokeAll(,,null) throws NPE
1103	+	*/
1104	+	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1105	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1106	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1107	+	l.add(new StringTask());
1108	+	try {
1109	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1110	+	shouldThrow();
1111	+	} catch (NullPointerException success) {
1112	+	} finally {
1113	+	joinPool(e);
1114	+	}
1115	+	}
1116	+
1117	+	/**
1118	+	* timed invokeAll(empty collection) returns empty collection
1119	+	*/
1120	+	public void testTimedInvokeAll2() throws Exception {
1121	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1122	+	try {
1123	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1124	+	assertTrue(r.isEmpty());
1125	+	} finally {
1126	+	joinPool(e);
1127	+	}
1128	+	}
1129	+
1130	+	/**
1131	+	* timed invokeAll(c) throws NPE if c has null elements
1132	+	*/
1133	+	public void testTimedInvokeAll3() throws Exception {
1134	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1135	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1136	+	l.add(new StringTask());
1137	+	l.add(null);
1138	+	try {
1139	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1140	+	shouldThrow();
1141	+	} catch (NullPointerException success) {
1142	+	} finally {
1143	+	joinPool(e);
1144	+	}
1145	+	}
1146	+
1147	+	/**
1148	+	* get of element of invokeAll(c) throws exception on failed task
1149	+	*/
1150	+	public void testTimedInvokeAll4() throws Exception {
1151	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1152	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1153	+	l.add(new NPETask());
1154	+	List<Future<String>> futures =
1155	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1156	+	assertEquals(1, futures.size());
1157	+	try {
1158	+	futures.get(0).get();
1159	+	shouldThrow();
1160	+	} catch (ExecutionException success) {
1161	+	assertTrue(success.getCause() instanceof NullPointerException);
1162	+	} finally {
1163	+	joinPool(e);
1164	+	}
1165	+	}
1166	+
1167	+	/**
1168	+	* timed invokeAll(c) returns results of all completed tasks
1169	+	*/
1170	+	public void testTimedInvokeAll5() throws Exception {
1171	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1172	+	try {
1173	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1174	+	l.add(new StringTask());
1175	+	l.add(new StringTask());
1176	+	List<Future<String>> futures =
1177	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1178	+	assertEquals(2, futures.size());
1179	+	for (Future<String> future : futures)
1180	+	assertSame(TEST_STRING, future.get());
1181	+	} finally {
1182	+	joinPool(e);
1183	+	}
1184	+	}
1185	+
1186	+	/**
1187	+	* timed invokeAll(c) cancels tasks not completed by timeout
1188	+	*/
1189	+	public void testTimedInvokeAll6() throws Exception {
1190	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1191	+	try {
1192	+	for (long timeout = timeoutMillis();;) {
1193	+	List<Callable<String>> tasks = new ArrayList<>();
1194	+	tasks.add(new StringTask("0"));
1195	+	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1196	+	tasks.add(new StringTask("2"));
1197	+	long startTime = System.nanoTime();
1198	+	List<Future<String>> futures =
1199	+	e.invokeAll(tasks, timeout, MILLISECONDS);
1200	+	assertEquals(tasks.size(), futures.size());
1201	+	assertTrue(millisElapsedSince(startTime) >= timeout);
1202	+	for (Future future : futures)
1203	+	assertTrue(future.isDone());
1204	+	assertTrue(futures.get(1).isCancelled());
1205	+	try {
1206	+	assertEquals("0", futures.get(0).get());
1207	+	assertEquals("2", futures.get(2).get());
1208	+	break;
1209	+	} catch (CancellationException retryWithLongerTimeout) {
1210	+	timeout *= 2;
1211	+	if (timeout >= LONG_DELAY_MS / 2)
1212	+	fail("expected exactly one task to be cancelled");
1213	+	}
1214	+	}
1215	+	} finally {
1216	+	joinPool(e);
1217	+	}
1218	+	}
1219
1220		}

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