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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 1.35 by jsr166, Wed Nov 17 23:12:31 2010 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/licenses/publicdomain
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 static java.util.concurrent.TimeUnit.MILLISECONDS;
13	+	import java.util.concurrent.atomic.*;
14
15		public class ScheduledExecutorTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(ScheduledExecutorTest.class);
20	>	return new TestSuite(ScheduledExecutorTest.class);
21		}
22
23
24		/**
25		* execute successfully executes a runnable
26		*/
27	<	public void testExecute() {
28	<	try {
29	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
30	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
31	<	p1.execute(runnable);
32	<	assertFalse(runnable.done);
33	<	Thread.sleep(SHORT_DELAY_MS);
34	<	p1.shutdown();
35	<	try {
36	<	Thread.sleep(MEDIUM_DELAY_MS);
37	<	} catch(InterruptedException e){
38	<	unexpectedException();
36	<	}
37	<	assertTrue(runnable.done);
38	<	p1.shutdown();
39	<	joinPool(p1);
40	<	}
41	<	catch(Exception e){
42	<	unexpectedException();
27	>	public void testExecute() throws InterruptedException {
28	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
29	>	final CountDownLatch done = new CountDownLatch(1);
30	>	final Runnable task = new CheckedRunnable() {
31	>	public void realRun() {
32	>	done.countDown();
33	>	}};
34	>	try {
35	>	p.execute(task);
36	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
37	>	} finally {
38	>	joinPool(p);
39		}
44	–
40		}
41
42
43		/**
44		* delayed schedule of callable successfully executes after delay
45		*/
46	<	public void testSchedule1() {
47	<	try {
48	<	TrackedCallable callable = new TrackedCallable();
49	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
50	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
51	<	assertFalse(callable.done);
52	<	Thread.sleep(MEDIUM_DELAY_MS);
53	<	assertTrue(callable.done);
54	<	assertEquals(Boolean.TRUE, f.get());
55	<	p1.shutdown();
56	<	joinPool(p1);
57	<	} catch(RejectedExecutionException e){}
58	<	catch(Exception e){
59	<	e.printStackTrace();
60	<	unexpectedException();
46	>	public void testSchedule1() throws Exception {
47	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
48	>	final long t0 = System.nanoTime();
49	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
50	>	final CountDownLatch done = new CountDownLatch(1);
51	>	try {
52	>	Callable task = new CheckedCallable<Boolean>() {
53	>	public Boolean realCall() {
54	>	done.countDown();
55	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
56	>	return Boolean.TRUE;
57	>	}};
58	>	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
59	>	assertEquals(Boolean.TRUE, f.get());
60	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
61	>	assertTrue(done.await(0L, MILLISECONDS));
62	>	} finally {
63	>	joinPool(p);
64		}
65		}
66
67		/**
68	<	*  delayed schedule of runnable successfully executes after delay
69	<	*/
70	<	public void testSchedule3() {
71	<	try {
72	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
73	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
74	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
75	<	Thread.sleep(SHORT_DELAY_MS);
76	<	assertFalse(runnable.done);
77	<	Thread.sleep(MEDIUM_DELAY_MS);
78	<	assertTrue(runnable.done);
79	<	p1.shutdown();
80	<	joinPool(p1);
81	<	} catch(Exception e){
82	<	unexpectedException();
68	>	* delayed schedule of runnable successfully executes after delay
69	>	*/
70	>	public void testSchedule3() throws Exception {
71	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
72	>	final long t0 = System.nanoTime();
73	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
74	>	final CountDownLatch done = new CountDownLatch(1);
75	>	try {
76	>	Runnable task = new CheckedRunnable() {
77	>	public void realRun() {
78	>	done.countDown();
79	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
80	>	}};
81	>	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
82	>	assertNull(f.get());
83	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
84	>	assertTrue(done.await(0L, MILLISECONDS));
85	>	} finally {
86	>	joinPool(p);
87		}
88		}
89	<
89	>
90		/**
91		* scheduleAtFixedRate executes runnable after given initial delay
92		*/
93	<	public void testSchedule4() {
94	<	try {
95	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
96	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
97	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
98	<	assertFalse(runnable.done);
99	<	Thread.sleep(MEDIUM_DELAY_MS);
100	<	assertTrue(runnable.done);
101	<	h.cancel(true);
102	<	p1.shutdown();
103	<	joinPool(p1);
104	<	} catch(Exception e){
105	<	unexpectedException();
93	>	public void testSchedule4() throws Exception {
94	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
95	>	final long t0 = System.nanoTime();
96	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
97	>	final CountDownLatch done = new CountDownLatch(1);
98	>	try {
99	>	Runnable task = new CheckedRunnable() {
100	>	public void realRun() {
101	>	done.countDown();
102	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
103	>	}};
104	>	ScheduledFuture f =
105	>	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
106	>	SHORT_DELAY_MS, MILLISECONDS);
107	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
108	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
109	>	f.cancel(true);
110	>	} finally {
111	>	joinPool(p);
112		}
113		}
114
115		/**
116		* scheduleWithFixedDelay executes runnable after given initial delay
117		*/
118	<	public void testSchedule5() {
119	<	try {
120	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
121	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
122	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
123	<	assertFalse(runnable.done);
124	<	Thread.sleep(MEDIUM_DELAY_MS);
125	<	assertTrue(runnable.done);
126	<	h.cancel(true);
127	<	p1.shutdown();
128	<	joinPool(p1);
129	<	} catch(Exception e){
130	<	unexpectedException();
118	>	public void testSchedule5() throws InterruptedException {
119	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
120	>	final long t0 = System.nanoTime();
121	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
122	>	final CountDownLatch done = new CountDownLatch(1);
123	>	try {
124	>	Runnable task = new CheckedRunnable() {
125	>	public void realRun() {
126	>	done.countDown();
127	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
128	>	}};
129	>	ScheduledFuture f =
130	>	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
131	>	SHORT_DELAY_MS, MILLISECONDS);
132	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
133	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
134	>	f.cancel(true);
135	>	} finally {
136	>	joinPool(p);
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() throws InterruptedException {
149	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
150	>	RunnableCounter counter = new RunnableCounter();
151	>	ScheduledFuture h =
152	>	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
153	>	Thread.sleep(SMALL_DELAY_MS);
154	>	h.cancel(true);
155	>	int c = counter.count.get();
156	>	// By time scaling conventions, we must have at least
157	>	// an execution per SHORT delay, but no more than one SHORT more
158	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
159	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
160	>	joinPool(p);
161	>	}
162	>
163	>	/**
164	>	* scheduleWithFixedDelay executes series of tasks with given period
165	>	*/
166	>	public void testFixedDelaySequence() throws InterruptedException {
167	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
168	>	RunnableCounter counter = new RunnableCounter();
169	>	ScheduledFuture h =
170	>	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
171	>	Thread.sleep(SMALL_DELAY_MS);
172	>	h.cancel(true);
173	>	int c = counter.count.get();
174	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
175	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
176	>	joinPool(p);
177	>	}
178	>
179	>
180		/**
181	<	*  execute (null) throws NPE
181	>	* execute(null) throws NPE
182		*/
183	<	public void testExecuteNull() {
183	>	public void testExecuteNull() throws InterruptedException {
184		ScheduledThreadPoolExecutor se = null;
185		try {
186	<	se = new ScheduledThreadPoolExecutor(1);
187	<	se.execute(null);
186	>	se = new ScheduledThreadPoolExecutor(1);
187	>	se.execute(null);
188		shouldThrow();
189	<	} catch(NullPointerException success){}
190	<	catch(Exception e){
191	<	unexpectedException();
138	<	}
139	<
140	<	joinPool(se);
189	>	} catch (NullPointerException success) {}
190	>
191	>	joinPool(se);
192		}
193
194		/**
195	<	* schedule (null) throws NPE
195	>	* schedule(null) throws NPE
196		*/
197	<	public void testScheduleNull() {
197	>	public void testScheduleNull() throws InterruptedException {
198		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
199	<	try {
199	>	try {
200		TrackedCallable callable = null;
201	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
201	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
202		shouldThrow();
203	<	} catch(NullPointerException success){}
204	<	catch(Exception e){
154	<	unexpectedException();
155	<	}
156	<	joinPool(se);
203	>	} catch (NullPointerException success) {}
204	>	joinPool(se);
205		}
206	<
206	>
207		/**
208		* execute throws RejectedExecutionException if shutdown
209		*/
210	<	public void testSchedule1_RejectedExecutionException() {
210	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
211		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
212		try {
213		se.shutdown();
214		se.schedule(new NoOpRunnable(),
215	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
215	>	MEDIUM_DELAY_MS, MILLISECONDS);
216		shouldThrow();
217	<	} catch(RejectedExecutionException success){
217	>	} catch (RejectedExecutionException success) {
218	>	} catch (SecurityException ok) {
219		}
171	–	joinPool(se);
220
221	+	joinPool(se);
222		}
223
224		/**
225		* schedule throws RejectedExecutionException if shutdown
226		*/
227	<	public void testSchedule2_RejectedExecutionException() {
227	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
228		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
229		try {
230		se.shutdown();
231		se.schedule(new NoOpCallable(),
232	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
232	>	MEDIUM_DELAY_MS, MILLISECONDS);
233		shouldThrow();
234	<	} catch(RejectedExecutionException success){
234	>	} catch (RejectedExecutionException success) {
235	>	} catch (SecurityException ok) {
236		}
237		joinPool(se);
238		}
#	Line 190 | Line 240 | public class ScheduledExecutorTest exten
240		/**
241		* schedule callable throws RejectedExecutionException if shutdown
242		*/
243	<	public void testSchedule3_RejectedExecutionException() {
243	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
244		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
245		try {
246		se.shutdown();
247		se.schedule(new NoOpCallable(),
248	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
248	>	MEDIUM_DELAY_MS, MILLISECONDS);
249		shouldThrow();
250	<	} catch(RejectedExecutionException success){
251	<	}
250	>	} catch (RejectedExecutionException success) {
251	>	} catch (SecurityException ok) {
252	>	}
253		joinPool(se);
254		}
255
256		/**
257	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
257	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
258		*/
259	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
259	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
260		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
261		try {
262		se.shutdown();
263		se.scheduleAtFixedRate(new NoOpRunnable(),
264	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
264	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
265		shouldThrow();
266	<	} catch(RejectedExecutionException success){
267	<	}
266	>	} catch (RejectedExecutionException success) {
267	>	} catch (SecurityException ok) {
268	>	}
269		joinPool(se);
270		}
271	<
271	>
272		/**
273		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
274		*/
275	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
275	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
276		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
277		try {
278		se.shutdown();
279		se.scheduleWithFixedDelay(new NoOpRunnable(),
280	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
280	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
281		shouldThrow();
282	<	} catch(RejectedExecutionException success){
283	<	}
282	>	} catch (RejectedExecutionException success) {
283	>	} catch (SecurityException ok) {
284	>	}
285		joinPool(se);
286		}
287
288		/**
289	<	*  getActiveCount increases but doesn't overestimate, when a
290	<	*  thread becomes active
289	>	* getActiveCount increases but doesn't overestimate, when a
290	>	* thread becomes active
291		*/
292	<	public void testGetActiveCount() {
293	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
294	<	assertEquals(0, p2.getActiveCount());
295	<	p2.execute(new SmallRunnable());
296	<	try {
297	<	Thread.sleep(SHORT_DELAY_MS);
298	<	} catch(Exception e){
299	<	unexpectedException();
292	>	public void testGetActiveCount() throws InterruptedException {
293	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
294	>	final CountDownLatch threadStarted = new CountDownLatch(1);
295	>	final CountDownLatch done = new CountDownLatch(1);
296	>	try {
297	>	assertEquals(0, p.getActiveCount());
298	>	p.execute(new CheckedRunnable() {
299	>	public void realRun() throws InterruptedException {
300	>	threadStarted.countDown();
301	>	assertEquals(1, p.getActiveCount());
302	>	done.await();
303	>	}});
304	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
305	>	assertEquals(1, p.getActiveCount());
306	>	} finally {
307	>	done.countDown();
308	>	joinPool(p);
309		}
248	–	assertEquals(1, p2.getActiveCount());
249	–	joinPool(p2);
310		}
311	<
311	>
312		/**
313	<	*    getCompletedTaskCount increases, but doesn't overestimate,
314	<	*   when tasks complete
313	>	* getCompletedTaskCount increases, but doesn't overestimate,
314	>	* when tasks complete
315		*/
316	<	public void testGetCompletedTaskCount() {
317	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
318	<	assertEquals(0, p2.getCompletedTaskCount());
319	<	p2.execute(new SmallRunnable());
320	<	try {
321	<	Thread.sleep(MEDIUM_DELAY_MS);
322	<	} catch(Exception e){
323	<	unexpectedException();
316	>	public void testGetCompletedTaskCount() throws InterruptedException {
317	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
318	>	final CountDownLatch threadStarted = new CountDownLatch(1);
319	>	final CountDownLatch threadProceed = new CountDownLatch(1);
320	>	final CountDownLatch threadDone = new CountDownLatch(1);
321	>	try {
322	>	assertEquals(0, p.getCompletedTaskCount());
323	>	p.execute(new CheckedRunnable() {
324	>	public void realRun() throws InterruptedException {
325	>	threadStarted.countDown();
326	>	assertEquals(0, p.getCompletedTaskCount());
327	>	threadProceed.await();
328	>	threadDone.countDown();
329	>	}});
330	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
331	>	assertEquals(0, p.getCompletedTaskCount());
332	>	threadProceed.countDown();
333	>	threadDone.await();
334	>	Thread.sleep(SHORT_DELAY_MS);
335	>	assertEquals(1, p.getCompletedTaskCount());
336	>	} finally {
337	>	joinPool(p);
338		}
265	–	assertEquals(1, p2.getCompletedTaskCount());
266	–	joinPool(p2);
339		}
340	<
340	>
341		/**
342	<	*  getCorePoolSize returns size given in constructor if not otherwise set
342	>	* getCorePoolSize returns size given in constructor if not otherwise set
343		*/
344	<	public void testGetCorePoolSize() {
345	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
346	<	assertEquals(1, p1.getCorePoolSize());
347	<	joinPool(p1);
344	>	public void testGetCorePoolSize() throws InterruptedException {
345	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
346	>	assertEquals(1, p.getCorePoolSize());
347	>	joinPool(p);
348		}
349	<
349	>
350		/**
351	<	*    getLargestPoolSize increases, but doesn't overestimate, when
352	<	*   multiple threads active
351	>	* getLargestPoolSize increases, but doesn't overestimate, when
352	>	* multiple threads active
353		*/
354	<	public void testGetLargestPoolSize() {
355	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
356	<	assertEquals(0, p2.getLargestPoolSize());
357	<	p2.execute(new SmallRunnable());
358	<	p2.execute(new SmallRunnable());
359	<	try {
360	<	Thread.sleep(SHORT_DELAY_MS);
361	<	} catch(Exception e){
362	<	unexpectedException();
354	>	public void testGetLargestPoolSize() throws InterruptedException {
355	>	final int THREADS = 3;
356	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
357	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
358	>	final CountDownLatch done = new CountDownLatch(1);
359	>	try {
360	>	assertEquals(0, p.getLargestPoolSize());
361	>	for (int i = 0; i < THREADS; i++)
362	>	p.execute(new CheckedRunnable() {
363	>	public void realRun() throws InterruptedException {
364	>	threadsStarted.countDown();
365	>	done.await();
366	>	assertEquals(THREADS, p.getLargestPoolSize());
367	>	}});
368	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
369	>	assertEquals(THREADS, p.getLargestPoolSize());
370	>	} finally {
371	>	done.countDown();
372	>	joinPool(p);
373	>	assertEquals(THREADS, p.getLargestPoolSize());
374		}
292	–	assertEquals(2, p2.getLargestPoolSize());
293	–	joinPool(p2);
375		}
376	<
376	>
377		/**
378	<	*   getPoolSize increases, but doesn't overestimate, when threads
379	<	*   become active
380	<	*/
381	<	public void testGetPoolSize() {
382	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
383	<	assertEquals(0, p1.getPoolSize());
384	<	p1.execute(new SmallRunnable());
304	<	assertEquals(1, p1.getPoolSize());
305	<	joinPool(p1);
306	<	}
307	<
308	<	/**
309	<	*    getTaskCount increases, but doesn't overestimate, when tasks
310	<	*    submitted
311	<	*/
312	<	public void testGetTaskCount() {
313	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
314	<	assertEquals(0, p1.getTaskCount());
315	<	for(int i = 0; i < 5; i++)
316	<	p1.execute(new SmallRunnable());
378	>	* getPoolSize increases, but doesn't overestimate, when threads
379	>	* become active
380	>	*/
381	>	public void testGetPoolSize() throws InterruptedException {
382	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
383	>	final CountDownLatch threadStarted = new CountDownLatch(1);
384	>	final CountDownLatch done = new CountDownLatch(1);
385		try {
386	<	Thread.sleep(SHORT_DELAY_MS);
387	<	} catch(Exception e){
388	<	unexpectedException();
386	>	assertEquals(0, p.getPoolSize());
387	>	p.execute(new CheckedRunnable() {
388	>	public void realRun() throws InterruptedException {
389	>	threadStarted.countDown();
390	>	assertEquals(1, p.getPoolSize());
391	>	done.await();
392	>	}});
393	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
394	>	assertEquals(1, p.getPoolSize());
395	>	} finally {
396	>	done.countDown();
397	>	joinPool(p);
398	>	}
399	>	}
400	>
401	>	/**
402	>	* getTaskCount increases, but doesn't overestimate, when tasks
403	>	* submitted
404	>	*/
405	>	public void testGetTaskCount() throws InterruptedException {
406	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
407	>	final CountDownLatch threadStarted = new CountDownLatch(1);
408	>	final CountDownLatch done = new CountDownLatch(1);
409	>	final int TASKS = 5;
410	>	try {
411	>	assertEquals(0, p.getTaskCount());
412	>	for (int i = 0; i < TASKS; i++)
413	>	p.execute(new CheckedRunnable() {
414	>	public void realRun() throws InterruptedException {
415	>	threadStarted.countDown();
416	>	done.await();
417	>	}});
418	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
419	>	assertEquals(TASKS, p.getTaskCount());
420	>	} finally {
421	>	done.countDown();
422	>	joinPool(p);
423		}
322	–	assertEquals(5, p1.getTaskCount());
323	–	joinPool(p1);
424		}
425
426	<	/**
426	>	/**
427		* getThreadFactory returns factory in constructor if not set
428		*/
429	<	public void testGetThreadFactory() {
429	>	public void testGetThreadFactory() throws InterruptedException {
430		ThreadFactory tf = new SimpleThreadFactory();
431	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
431	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
432		assertSame(tf, p.getThreadFactory());
333	–	p.shutdown();
433		joinPool(p);
434		}
435
436	<	/**
436	>	/**
437		* setThreadFactory sets the thread factory returned by getThreadFactory
438		*/
439	<	public void testSetThreadFactory() {
439	>	public void testSetThreadFactory() throws InterruptedException {
440		ThreadFactory tf = new SimpleThreadFactory();
441	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
441	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
442		p.setThreadFactory(tf);
443		assertSame(tf, p.getThreadFactory());
345	–	p.shutdown();
444		joinPool(p);
445		}
446
447	<	/**
447	>	/**
448		* setThreadFactory(null) throws NPE
449		*/
450	<	public void testSetThreadFactoryNull() {
451	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
450	>	public void testSetThreadFactoryNull() throws InterruptedException {
451	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
452		try {
453		p.setThreadFactory(null);
454		shouldThrow();
#	Line 359 | Line 457 | public class ScheduledExecutorTest exten
457		joinPool(p);
458		}
459		}
460	<
460	>
461		/**
462	<	*   is isShutDown is false before shutdown, true after
462	>	* isShutDown is false before shutdown, true after
463		*/
464		public void testIsShutdown() {
465	<
466	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
465	>
466	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
467		try {
468	<	assertFalse(p1.isShutdown());
468	>	assertFalse(p.isShutdown());
469		}
470		finally {
471	<	p1.shutdown();
471	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
472		}
473	<	assertTrue(p1.isShutdown());
473	>	assertTrue(p.isShutdown());
474		}
475
476	<
476	>
477		/**
478	<	*   isTerminated is false before termination, true after
478	>	* isTerminated is false before termination, true after
479		*/
480	<	public void testIsTerminated() {
481	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
480	>	public void testIsTerminated() throws InterruptedException {
481	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
482	>	final CountDownLatch threadStarted = new CountDownLatch(1);
483	>	final CountDownLatch done = new CountDownLatch(1);
484	>	assertFalse(p.isTerminated());
485		try {
486	<	p1.execute(new SmallRunnable());
486	>	p.execute(new CheckedRunnable() {
487	>	public void realRun() throws InterruptedException {
488	>	threadStarted.countDown();
489	>	assertFalse(p.isTerminated());
490	>	done.await();
491	>	}});
492	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
493	>	done.countDown();
494		} finally {
495	<	p1.shutdown();
495	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
496		}
497	<	try {
498	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
391	<	assertTrue(p1.isTerminated());
392	<	} catch(Exception e){
393	<	unexpectedException();
394	<	}
497	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
498	>	assertTrue(p.isTerminated());
499		}
500
501		/**
502	<	*  isTerminating is not true when running or when terminated
502	>	* isTerminating is not true when running or when terminated
503		*/
504	<	public void testIsTerminating() {
505	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
506	<	assertFalse(p1.isTerminating());
507	<	try {
508	<	p1.execute(new SmallRunnable());
509	<	assertFalse(p1.isTerminating());
504	>	public void testIsTerminating() throws InterruptedException {
505	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
506	>	final CountDownLatch threadStarted = new CountDownLatch(1);
507	>	final CountDownLatch done = new CountDownLatch(1);
508	>	try {
509	>	assertFalse(p.isTerminating());
510	>	p.execute(new CheckedRunnable() {
511	>	public void realRun() throws InterruptedException {
512	>	assertFalse(p.isTerminating());
513	>	threadStarted.countDown();
514	>	done.await();
515	>	}});
516	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
517	>	assertFalse(p.isTerminating());
518	>	done.countDown();
519		} finally {
520	<	p1.shutdown();
520	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
521		}
522	<	try {
523	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
524	<	assertTrue(p1.isTerminated());
412	<	assertFalse(p1.isTerminating());
413	<	} catch(Exception e){
414	<	unexpectedException();
415	<	}
522	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
523	>	assertTrue(p.isTerminated());
524	>	assertFalse(p.isTerminating());
525		}
526
527		/**
528		* getQueue returns the work queue, which contains queued tasks
529		*/
530	<	public void testGetQueue() {
531	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
532	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
533	<	for(int i = 0; i < 5; i++){
425	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
426	<	}
530	>	public void testGetQueue() throws InterruptedException {
531	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
532	>	final CountDownLatch threadStarted = new CountDownLatch(1);
533	>	final CountDownLatch done = new CountDownLatch(1);
534		try {
535	<	Thread.sleep(SHORT_DELAY_MS);
536	<	BlockingQueue<Runnable> q = p1.getQueue();
537	<	assertTrue(q.contains(tasks[4]));
535	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
536	>	for (int i = 0; i < tasks.length; i++) {
537	>	Runnable r = new CheckedRunnable() {
538	>	public void realRun() throws InterruptedException {
539	>	threadStarted.countDown();
540	>	done.await();
541	>	}};
542	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
543	>	}
544	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
545	>	BlockingQueue<Runnable> q = p.getQueue();
546	>	assertTrue(q.contains(tasks[tasks.length - 1]));
547		assertFalse(q.contains(tasks[0]));
432	–	p1.shutdownNow();
433	–	} catch(Exception e) {
434	–	unexpectedException();
548		} finally {
549	<	joinPool(p1);
549	>	done.countDown();
550	>	joinPool(p);
551		}
552		}
553
554		/**
555		* remove(task) removes queued task, and fails to remove active task
556		*/
557	<	public void testRemove() {
558	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
557	>	public void testRemove() throws InterruptedException {
558	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
559		ScheduledFuture[] tasks = new ScheduledFuture[5];
560	<	for(int i = 0; i < 5; i++){
561	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
448	<	}
560	>	final CountDownLatch threadStarted = new CountDownLatch(1);
561	>	final CountDownLatch done = new CountDownLatch(1);
562		try {
563	<	Thread.sleep(SHORT_DELAY_MS);
564	<	BlockingQueue<Runnable> q = p1.getQueue();
565	<	assertFalse(p1.remove((Runnable)tasks[0]));
563	>	for (int i = 0; i < tasks.length; i++) {
564	>	Runnable r = new CheckedRunnable() {
565	>	public void realRun() throws InterruptedException {
566	>	threadStarted.countDown();
567	>	done.await();
568	>	}};
569	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
570	>	}
571	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
572	>	BlockingQueue<Runnable> q = p.getQueue();
573	>	assertFalse(p.remove((Runnable)tasks[0]));
574		assertTrue(q.contains((Runnable)tasks[4]));
575		assertTrue(q.contains((Runnable)tasks[3]));
576	<	assertTrue(p1.remove((Runnable)tasks[4]));
577	<	assertFalse(p1.remove((Runnable)tasks[4]));
576	>	assertTrue(p.remove((Runnable)tasks[4]));
577	>	assertFalse(p.remove((Runnable)tasks[4]));
578		assertFalse(q.contains((Runnable)tasks[4]));
579		assertTrue(q.contains((Runnable)tasks[3]));
580	<	assertTrue(p1.remove((Runnable)tasks[3]));
580	>	assertTrue(p.remove((Runnable)tasks[3]));
581		assertFalse(q.contains((Runnable)tasks[3]));
461	–	p1.shutdownNow();
462	–	} catch(Exception e) {
463	–	unexpectedException();
582		} finally {
583	<	joinPool(p1);
583	>	done.countDown();
584	>	joinPool(p);
585		}
586		}
587
588		/**
589	<	*  purge removes cancelled tasks from the queue
589	>	* purge removes cancelled tasks from the queue
590		*/
591	<	public void testPurge() {
592	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
591	>	public void testPurge() throws InterruptedException {
592	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
593		ScheduledFuture[] tasks = new ScheduledFuture[5];
594	<	for(int i = 0; i < 5; i++){
595	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
594	>	for (int i = 0; i < tasks.length; i++) {
595	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
596	>	}
597	>	try {
598	>	int max = tasks.length;
599	>	if (tasks[4].cancel(true)) --max;
600	>	if (tasks[3].cancel(true)) --max;
601	>	// There must eventually be an interference-free point at
602	>	// which purge will not fail. (At worst, when queue is empty.)
603	>	int k;
604	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
605	>	p.purge();
606	>	long count = p.getTaskCount();
607	>	if (count >= 0 && count <= max)
608	>	break;
609	>	Thread.sleep(1);
610	>	}
611	>	assertTrue(k < SMALL_DELAY_MS);
612	>	} finally {
613	>	for (ScheduledFuture task : tasks)
614	>	task.cancel(true);
615	>	joinPool(p);
616		}
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);
617		}
618
619		/**
620	<	*  shutDownNow returns a list containing tasks that were not run
621	<	*/
622	<	public void testShutDownNow() {
623	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
624	<	for(int i = 0; i < 5; i++)
625	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
626	<	List l = p1.shutdownNow();
627	<	assertTrue(p1.isShutdown());
628	<	assertTrue(l.size() > 0 && l.size() <= 5);
629	<	joinPool(p1);
620	>	* shutDownNow returns a list containing tasks that were not run
621	>	*/
622	>	public void testShutDownNow() throws InterruptedException {
623	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
624	>	for (int i = 0; i < 5; i++)
625	>	p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
626	>	List l;
627	>	try {
628	>	l = p.shutdownNow();
629	>	} catch (SecurityException ok) {
630	>	return;
631	>	}
632	>	assertTrue(p.isShutdown());
633	>	assertTrue(l.size() > 0 && l.size() <= 5);
634	>	joinPool(p);
635		}
636
637		/**
638		* In default setting, shutdown cancels periodic but not delayed
639		* tasks at shutdown
640		*/
641	<	public void testShutDown1() {
642	<	try {
643	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
644	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
508	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
641	>	public void testShutDown1() throws InterruptedException {
642	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
643	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
644	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
645
646	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
647	<	for(int i = 0; i < 5; i++)
648	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
649	<	p1.shutdown();
650	<	BlockingQueue q = p1.getQueue();
651	<	for (Iterator it = q.iterator(); it.hasNext();) {
652	<	ScheduledFuture t = (ScheduledFuture)it.next();
653	<	assertFalse(t.isCancelled());
654	<	}
655	<	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	<
646	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
647	>	for (int i = 0; i < tasks.length; i++)
648	>	tasks[i] = p.schedule(new NoOpRunnable(),
649	>	SHORT_DELAY_MS, MILLISECONDS);
650	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
651	>	BlockingQueue<Runnable> q = p.getQueue();
652	>	for (ScheduledFuture task : tasks) {
653	>	assertFalse(task.isDone());
654	>	assertFalse(task.isCancelled());
655	>	assertTrue(q.contains(task));
656		}
657	<	catch(Exception ex) {
658	<	unexpectedException();
657	>	assertTrue(p.isShutdown());
658	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
659	>	assertTrue(p.isTerminated());
660	>	for (ScheduledFuture task : tasks) {
661	>	assertTrue(task.isDone());
662	>	assertFalse(task.isCancelled());
663		}
664		}
665
#	Line 534 | Line 668 | public class ScheduledExecutorTest exten
668		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
669		* delayed tasks are cancelled at shutdown
670		*/
671	<	public void testShutDown2() {
672	<	try {
673	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
674	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
675	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
676	<	for(int i = 0; i < 5; i++)
677	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
678	<	p1.shutdown();
679	<	assertTrue(p1.isShutdown());
680	<	BlockingQueue q = p1.getQueue();
681	<	assertTrue(q.isEmpty());
682	<	Thread.sleep(SMALL_DELAY_MS);
683	<	assertTrue(p1.isTerminated());
684	<	}
685	<	catch(Exception ex) {
686	<	unexpectedException();
671	>	public void testShutDown2() throws InterruptedException {
672	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
673	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
674	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
675	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
676	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
677	>	for (int i = 0; i < tasks.length; i++)
678	>	tasks[i] = p.schedule(new NoOpRunnable(),
679	>	SHORT_DELAY_MS, MILLISECONDS);
680	>	BlockingQueue q = p.getQueue();
681	>	assertEquals(tasks.length, q.size());
682	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
683	>	assertTrue(p.isShutdown());
684	>	assertTrue(q.isEmpty());
685	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
686	>	assertTrue(p.isTerminated());
687	>	for (ScheduledFuture task : tasks) {
688	>	assertTrue(task.isDone());
689	>	assertTrue(task.isCancelled());
690		}
691		}
692
556	–
693		/**
694		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
695	<	* periodic tasks are not cancelled at shutdown
695	>	* periodic tasks are cancelled at shutdown
696		*/
697	<	public void testShutDown3() {
698	<	try {
699	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
700	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
701	<	ScheduledFuture task =
702	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
703	<	p1.shutdown();
704	<	assertTrue(p1.isShutdown());
705	<	BlockingQueue q = p1.getQueue();
706	<	assertTrue(q.isEmpty());
707	<	Thread.sleep(SHORT_DELAY_MS);
708	<	assertTrue(p1.isTerminated());
709	<	}
710	<	catch(Exception ex) {
711	<	unexpectedException();
712	<	}
697	>	public void testShutDown3() throws InterruptedException {
698	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
699	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
700	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
701	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
702	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
703	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
704	>	ScheduledFuture task =
705	>	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
706	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
707	>	assertTrue(p.isShutdown());
708	>	BlockingQueue q = p.getQueue();
709	>	assertTrue(p.getQueue().isEmpty());
710	>	assertTrue(task.isDone());
711	>	assertTrue(task.isCancelled());
712	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
713	>	assertTrue(p.isTerminated());
714		}
715
716		/**
717		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
718	<	* periodic tasks are cancelled at shutdown
718	>	* periodic tasks are not cancelled at shutdown
719		*/
720	<	public void testShutDown4() {
721	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
722	<	try {
723	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
720	>	public void testShutDown4() throws InterruptedException {
721	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
722	>	final CountDownLatch counter = new CountDownLatch(2);
723	>	try {
724	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
725	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
726	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
727	>	final Runnable r = new CheckedRunnable() {
728	>	public void realRun() {
729	>	counter.countDown();
730	>	}};
731		ScheduledFuture task =
732	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
732	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
733	>	assertFalse(task.isDone());
734		assertFalse(task.isCancelled());
735	<	p1.shutdown();
735	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
736		assertFalse(task.isCancelled());
737	<	assertFalse(p1.isTerminated());
738	<	assertTrue(p1.isShutdown());
739	<	Thread.sleep(SHORT_DELAY_MS);
737	>	assertFalse(p.isTerminated());
738	>	assertTrue(p.isShutdown());
739	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
740		assertFalse(task.isCancelled());
741	<	task.cancel(true);
741	>	assertTrue(task.cancel(false));
742	>	assertTrue(task.isDone());
743		assertTrue(task.isCancelled());
744	<	Thread.sleep(SHORT_DELAY_MS);
745	<	assertTrue(p1.isTerminated());
600	<	}
601	<	catch(Exception ex) {
602	<	unexpectedException();
744	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
745	>	assertTrue(p.isTerminated());
746		}
747		finally {
748	<	p1.shutdownNow();
748	>	joinPool(p);
749		}
750		}
751
752		/**
753		* completed submit of callable returns result
754		*/
755	<	public void testSubmitCallable() {
755	>	public void testSubmitCallable() throws Exception {
756		ExecutorService e = new ScheduledThreadPoolExecutor(2);
757		try {
758		Future<String> future = e.submit(new StringTask());
759		String result = future.get();
760		assertSame(TEST_STRING, result);
618	–	}
619	–	catch (ExecutionException ex) {
620	–	unexpectedException();
621	–	}
622	–	catch (InterruptedException ex) {
623	–	unexpectedException();
761		} finally {
762		joinPool(e);
763		}
#	Line 629 | Line 766 | public class ScheduledExecutorTest exten
766		/**
767		* completed submit of runnable returns successfully
768		*/
769	<	public void testSubmitRunnable() {
769	>	public void testSubmitRunnable() throws Exception {
770		ExecutorService e = new ScheduledThreadPoolExecutor(2);
771		try {
772		Future<?> future = e.submit(new NoOpRunnable());
773		future.get();
774		assertTrue(future.isDone());
638	–	}
639	–	catch (ExecutionException ex) {
640	–	unexpectedException();
641	–	}
642	–	catch (InterruptedException ex) {
643	–	unexpectedException();
775		} finally {
776		joinPool(e);
777		}
#	Line 649 | Line 780 | public class ScheduledExecutorTest exten
780		/**
781		* completed submit of (runnable, result) returns result
782		*/
783	<	public void testSubmitRunnable2() {
783	>	public void testSubmitRunnable2() throws Exception {
784		ExecutorService e = new ScheduledThreadPoolExecutor(2);
785		try {
786		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
787		String result = future.get();
788		assertSame(TEST_STRING, result);
658	–	}
659	–	catch (ExecutionException ex) {
660	–	unexpectedException();
661	–	}
662	–	catch (InterruptedException ex) {
663	–	unexpectedException();
789		} finally {
790		joinPool(e);
791		}
792		}
793
669	–
670	–
671	–
672	–
794		/**
795		* invokeAny(null) throws NPE
796		*/
797	<	public void testInvokeAny1() {
797	>	public void testInvokeAny1() throws Exception {
798		ExecutorService e = new ScheduledThreadPoolExecutor(2);
799		try {
800		e.invokeAny(null);
801	+	shouldThrow();
802		} catch (NullPointerException success) {
681	–	} catch(Exception ex) {
682	–	unexpectedException();
803		} finally {
804		joinPool(e);
805		}
#	Line 688 | Line 808 | public class ScheduledExecutorTest exten
808		/**
809		* invokeAny(empty collection) throws IAE
810		*/
811	<	public void testInvokeAny2() {
811	>	public void testInvokeAny2() throws Exception {
812		ExecutorService e = new ScheduledThreadPoolExecutor(2);
813		try {
814		e.invokeAny(new ArrayList<Callable<String>>());
815	+	shouldThrow();
816		} catch (IllegalArgumentException success) {
696	–	} catch(Exception ex) {
697	–	unexpectedException();
817		} finally {
818		joinPool(e);
819		}
#	Line 703 | Line 822 | public class ScheduledExecutorTest exten
822		/**
823		* invokeAny(c) throws NPE if c has null elements
824		*/
825	<	public void testInvokeAny3() {
825	>	public void testInvokeAny3() throws Exception {
826	>	CountDownLatch latch = new CountDownLatch(1);
827		ExecutorService e = new ScheduledThreadPoolExecutor(2);
828	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
829	+	l.add(latchAwaitingStringTask(latch));
830	+	l.add(null);
831		try {
709	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
710	–	l.add(new StringTask());
711	–	l.add(null);
832		e.invokeAny(l);
833	+	shouldThrow();
834		} catch (NullPointerException success) {
714	–	} catch(Exception ex) {
715	–	unexpectedException();
835		} finally {
836	+	latch.countDown();
837		joinPool(e);
838		}
839		}
#	Line 721 | Line 841 | public class ScheduledExecutorTest exten
841		/**
842		* invokeAny(c) throws ExecutionException if no task completes
843		*/
844	<	public void testInvokeAny4() {
844	>	public void testInvokeAny4() throws Exception {
845		ExecutorService e = new ScheduledThreadPoolExecutor(2);
846	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
847	+	l.add(new NPETask());
848		try {
727	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
728	–	l.add(new NPETask());
849		e.invokeAny(l);
850	+	shouldThrow();
851		} catch (ExecutionException success) {
852	<	} catch(Exception ex) {
732	<	unexpectedException();
852	>	assertTrue(success.getCause() instanceof NullPointerException);
853		} finally {
854		joinPool(e);
855		}
#	Line 738 | Line 858 | public class ScheduledExecutorTest exten
858		/**
859		* invokeAny(c) returns result of some task
860		*/
861	<	public void testInvokeAny5() {
861	>	public void testInvokeAny5() throws Exception {
862		ExecutorService e = new ScheduledThreadPoolExecutor(2);
863		try {
864	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
864	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
865		l.add(new StringTask());
866		l.add(new StringTask());
867		String result = e.invokeAny(l);
868		assertSame(TEST_STRING, result);
749	–	} catch (ExecutionException success) {
750	–	} catch(Exception ex) {
751	–	unexpectedException();
869		} finally {
870		joinPool(e);
871		}
#	Line 757 | Line 874 | public class ScheduledExecutorTest exten
874		/**
875		* invokeAll(null) throws NPE
876		*/
877	<	public void testInvokeAll1() {
877	>	public void testInvokeAll1() throws Exception {
878		ExecutorService e = new ScheduledThreadPoolExecutor(2);
879		try {
880		e.invokeAll(null);
881	+	shouldThrow();
882		} catch (NullPointerException success) {
765	–	} catch(Exception ex) {
766	–	unexpectedException();
883		} finally {
884		joinPool(e);
885		}
#	Line 772 | Line 888 | public class ScheduledExecutorTest exten
888		/**
889		* invokeAll(empty collection) returns empty collection
890		*/
891	<	public void testInvokeAll2() {
891	>	public void testInvokeAll2() throws Exception {
892		ExecutorService e = new ScheduledThreadPoolExecutor(2);
893		try {
894		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
895		assertTrue(r.isEmpty());
780	–	} catch(Exception ex) {
781	–	unexpectedException();
896		} finally {
897		joinPool(e);
898		}
#	Line 787 | Line 901 | public class ScheduledExecutorTest exten
901		/**
902		* invokeAll(c) throws NPE if c has null elements
903		*/
904	<	public void testInvokeAll3() {
904	>	public void testInvokeAll3() throws Exception {
905		ExecutorService e = new ScheduledThreadPoolExecutor(2);
906	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
907	+	l.add(new StringTask());
908	+	l.add(null);
909		try {
793	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
794	–	l.add(new StringTask());
795	–	l.add(null);
910		e.invokeAll(l);
911	+	shouldThrow();
912		} catch (NullPointerException success) {
798	–	} catch(Exception ex) {
799	–	unexpectedException();
913		} finally {
914		joinPool(e);
915		}
#	Line 805 | Line 918 | public class ScheduledExecutorTest exten
918		/**
919		* get of invokeAll(c) throws exception on failed task
920		*/
921	<	public void testInvokeAll4() {
921	>	public void testInvokeAll4() throws Exception {
922		ExecutorService e = new ScheduledThreadPoolExecutor(2);
923	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
924	+	l.add(new NPETask());
925	+	List<Future<String>> futures = e.invokeAll(l);
926	+	assertEquals(1, futures.size());
927		try {
928	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
929	<	l.add(new NPETask());
930	<	List<Future<String>> result = e.invokeAll(l);
931	<	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();
928	>	futures.get(0).get();
929	>	shouldThrow();
930	>	} catch (ExecutionException success) {
931	>	assertTrue(success.getCause() instanceof NullPointerException);
932		} finally {
933		joinPool(e);
934		}
#	Line 825 | Line 937 | public class ScheduledExecutorTest exten
937		/**
938		* invokeAll(c) returns results of all completed tasks
939		*/
940	<	public void testInvokeAll5() {
940	>	public void testInvokeAll5() throws Exception {
941		ExecutorService e = new ScheduledThreadPoolExecutor(2);
942		try {
943	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
943	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
944		l.add(new StringTask());
945		l.add(new StringTask());
946	<	List<Future<String>> result = e.invokeAll(l);
947	<	assertEquals(2, result.size());
948	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
949	<	assertSame(TEST_STRING, it.next().get());
946	>	List<Future<String>> futures = e.invokeAll(l);
947	>	assertEquals(2, futures.size());
948	>	for (Future<String> future : futures)
949	>	assertSame(TEST_STRING, future.get());
950	>	} finally {
951	>	joinPool(e);
952	>	}
953	>	}
954	>
955	>	/**
956	>	* timed invokeAny(null) throws NPE
957	>	*/
958	>	public void testTimedInvokeAny1() throws Exception {
959	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
960	>	try {
961	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
962	>	shouldThrow();
963	>	} catch (NullPointerException success) {
964	>	} finally {
965	>	joinPool(e);
966	>	}
967	>	}
968	>
969	>	/**
970	>	* timed invokeAny(,,null) throws NPE
971	>	*/
972	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
973	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
974	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
975	>	l.add(new StringTask());
976	>	try {
977	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
978	>	shouldThrow();
979	>	} catch (NullPointerException success) {
980	>	} finally {
981	>	joinPool(e);
982	>	}
983	>	}
984	>
985	>	/**
986	>	* timed invokeAny(empty collection) throws IAE
987	>	*/
988	>	public void testTimedInvokeAny2() throws Exception {
989	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
990	>	try {
991	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
992	>	shouldThrow();
993	>	} catch (IllegalArgumentException success) {
994	>	} finally {
995	>	joinPool(e);
996	>	}
997	>	}
998	>
999	>	/**
1000	>	* timed invokeAny(c) throws NPE if c has null elements
1001	>	*/
1002	>	public void testTimedInvokeAny3() throws Exception {
1003	>	CountDownLatch latch = new CountDownLatch(1);
1004	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1005	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1006	>	l.add(latchAwaitingStringTask(latch));
1007	>	l.add(null);
1008	>	try {
1009	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1010	>	shouldThrow();
1011	>	} catch (NullPointerException success) {
1012	>	} finally {
1013	>	latch.countDown();
1014	>	joinPool(e);
1015	>	}
1016	>	}
1017	>
1018	>	/**
1019	>	* timed invokeAny(c) throws ExecutionException if no task completes
1020	>	*/
1021	>	public void testTimedInvokeAny4() throws Exception {
1022	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1023	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1024	>	l.add(new NPETask());
1025	>	try {
1026	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1027	>	shouldThrow();
1028		} catch (ExecutionException success) {
1029	<	} catch(Exception ex) {
1030	<	unexpectedException();
1029	>	assertTrue(success.getCause() instanceof NullPointerException);
1030	>	} finally {
1031	>	joinPool(e);
1032	>	}
1033	>	}
1034	>
1035	>	/**
1036	>	* timed invokeAny(c) returns result of some task
1037	>	*/
1038	>	public void testTimedInvokeAny5() throws Exception {
1039	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1040	>	try {
1041	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1042	>	l.add(new StringTask());
1043	>	l.add(new StringTask());
1044	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1045	>	assertSame(TEST_STRING, result);
1046	>	} finally {
1047	>	joinPool(e);
1048	>	}
1049	>	}
1050	>
1051	>	/**
1052	>	* timed invokeAll(null) throws NPE
1053	>	*/
1054	>	public void testTimedInvokeAll1() throws Exception {
1055	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	>	try {
1057	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1058	>	shouldThrow();
1059	>	} catch (NullPointerException success) {
1060	>	} finally {
1061	>	joinPool(e);
1062	>	}
1063	>	}
1064	>
1065	>	/**
1066	>	* timed invokeAll(,,null) throws NPE
1067	>	*/
1068	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1069	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1070	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1071	>	l.add(new StringTask());
1072	>	try {
1073	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1074	>	shouldThrow();
1075	>	} catch (NullPointerException success) {
1076	>	} finally {
1077	>	joinPool(e);
1078	>	}
1079	>	}
1080	>
1081	>	/**
1082	>	* timed invokeAll(empty collection) returns empty collection
1083	>	*/
1084	>	public void testTimedInvokeAll2() throws Exception {
1085	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1086	>	try {
1087	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1088	>	assertTrue(r.isEmpty());
1089	>	} finally {
1090	>	joinPool(e);
1091	>	}
1092	>	}
1093	>
1094	>	/**
1095	>	* timed invokeAll(c) throws NPE if c has null elements
1096	>	*/
1097	>	public void testTimedInvokeAll3() throws Exception {
1098	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1099	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1100	>	l.add(new StringTask());
1101	>	l.add(null);
1102	>	try {
1103	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1104	>	shouldThrow();
1105	>	} catch (NullPointerException success) {
1106	>	} finally {
1107	>	joinPool(e);
1108	>	}
1109	>	}
1110	>
1111	>	/**
1112	>	* get of element of invokeAll(c) throws exception on failed task
1113	>	*/
1114	>	public void testTimedInvokeAll4() throws Exception {
1115	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1116	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1117	>	l.add(new NPETask());
1118	>	List<Future<String>> futures =
1119	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1120	>	assertEquals(1, futures.size());
1121	>	try {
1122	>	futures.get(0).get();
1123	>	shouldThrow();
1124	>	} catch (ExecutionException success) {
1125	>	assertTrue(success.getCause() instanceof NullPointerException);
1126	>	} finally {
1127	>	joinPool(e);
1128	>	}
1129	>	}
1130	>
1131	>	/**
1132	>	* timed invokeAll(c) returns results of all completed tasks
1133	>	*/
1134	>	public void testTimedInvokeAll5() throws Exception {
1135	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1136	>	try {
1137	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1138	>	l.add(new StringTask());
1139	>	l.add(new StringTask());
1140	>	List<Future<String>> futures =
1141	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1142	>	assertEquals(2, futures.size());
1143	>	for (Future<String> future : futures)
1144	>	assertSame(TEST_STRING, future.get());
1145	>	} finally {
1146	>	joinPool(e);
1147	>	}
1148	>	}
1149	>
1150	>	/**
1151	>	* timed invokeAll(c) cancels tasks not completed by timeout
1152	>	*/
1153	>	public void testTimedInvokeAll6() throws Exception {
1154	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1155	>	try {
1156	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1157	>	l.add(new StringTask());
1158	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1159	>	l.add(new StringTask());
1160	>	List<Future<String>> futures =
1161	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1162	>	assertEquals(3, futures.size());
1163	>	Iterator<Future<String>> it = futures.iterator();
1164	>	Future<String> f1 = it.next();
1165	>	Future<String> f2 = it.next();
1166	>	Future<String> f3 = it.next();
1167	>	assertTrue(f1.isDone());
1168	>	assertTrue(f2.isDone());
1169	>	assertTrue(f3.isDone());
1170	>	assertFalse(f1.isCancelled());
1171	>	assertTrue(f2.isCancelled());
1172		} finally {
1173		joinPool(e);
1174		}

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