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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 1.47 by jsr166, Tue Sep 24 18:35:21 2013 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.*;
12	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	+	import java.util.concurrent.atomic.AtomicInteger;
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
20	–
23		/**
24		* execute successfully executes a runnable
25		*/
26	<	public void testExecute() {
27	<	try {
28	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
29	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
30	<	p1.execute(runnable);
31	<	assertFalse(runnable.done);
32	<	Thread.sleep(SHORT_DELAY_MS);
33	<	p1.shutdown();
34	<	try {
35	<	Thread.sleep(MEDIUM_DELAY_MS);
36	<	} catch(InterruptedException e){
37	<	unexpectedException();
36	<	}
37	<	assertTrue(runnable.done);
38	<	p1.shutdown();
39	<	joinPool(p1);
40	<	}
41	<	catch(Exception e){
42	<	unexpectedException();
26	>	public void testExecute() throws InterruptedException {
27	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
28	>	final CountDownLatch done = new CountDownLatch(1);
29	>	final Runnable task = new CheckedRunnable() {
30	>	public void realRun() {
31	>	done.countDown();
32	>	}};
33	>	try {
34	>	p.execute(task);
35	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
36	>	} finally {
37	>	joinPool(p);
38		}
44	–
39		}
40
47	–
41		/**
42		* delayed schedule of callable successfully executes after delay
43		*/
44	<	public void testSchedule1() {
45	<	try {
46	<	TrackedCallable callable = new TrackedCallable();
47	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
48	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
49	<	assertFalse(callable.done);
50	<	Thread.sleep(MEDIUM_DELAY_MS);
51	<	assertTrue(callable.done);
52	<	assertEquals(Boolean.TRUE, f.get());
53	<	p1.shutdown();
54	<	joinPool(p1);
55	<	} catch(RejectedExecutionException e){}
56	<	catch(Exception e){
57	<	e.printStackTrace();
58	<	unexpectedException();
44	>	public void testSchedule1() throws Exception {
45	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
46	>	final long startTime = System.nanoTime();
47	>	final CountDownLatch done = new CountDownLatch(1);
48	>	try {
49	>	Callable task = new CheckedCallable<Boolean>() {
50	>	public Boolean realCall() {
51	>	done.countDown();
52	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
53	>	return Boolean.TRUE;
54	>	}};
55	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
56	>	assertSame(Boolean.TRUE, f.get());
57	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
58	>	assertTrue(done.await(0L, MILLISECONDS));
59	>	} finally {
60	>	joinPool(p);
61		}
62		}
63
64		/**
65	<	*  delayed schedule of runnable successfully executes after delay
66	<	*/
67	<	public void testSchedule3() {
68	<	try {
69	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
70	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
71	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
72	<	Thread.sleep(SHORT_DELAY_MS);
73	<	assertFalse(runnable.done);
74	<	Thread.sleep(MEDIUM_DELAY_MS);
75	<	assertTrue(runnable.done);
76	<	p1.shutdown();
77	<	joinPool(p1);
78	<	} catch(Exception e){
79	<	unexpectedException();
65	>	* delayed schedule of runnable successfully executes after delay
66	>	*/
67	>	public void testSchedule3() throws Exception {
68	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
69	>	final long startTime = System.nanoTime();
70	>	final CountDownLatch done = new CountDownLatch(1);
71	>	try {
72	>	Runnable task = new CheckedRunnable() {
73	>	public void realRun() {
74	>	done.countDown();
75	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
76	>	}};
77	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
78	>	await(done);
79	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
80	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
81	>	} finally {
82	>	joinPool(p);
83		}
84		}
85	<
85	>
86		/**
87		* scheduleAtFixedRate executes runnable after given initial delay
88		*/
89	<	public void testSchedule4() {
90	<	try {
91	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
92	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
93	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
94	<	assertFalse(runnable.done);
95	<	Thread.sleep(MEDIUM_DELAY_MS);
96	<	assertTrue(runnable.done);
97	<	h.cancel(true);
98	<	p1.shutdown();
99	<	joinPool(p1);
100	<	} catch(Exception e){
101	<	unexpectedException();
89	>	public void testSchedule4() throws Exception {
90	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
91	>	final long startTime = System.nanoTime();
92	>	final CountDownLatch done = new CountDownLatch(1);
93	>	try {
94	>	Runnable task = new CheckedRunnable() {
95	>	public void realRun() {
96	>	done.countDown();
97	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
98	>	}};
99	>	ScheduledFuture f =
100	>	p.scheduleAtFixedRate(task, timeoutMillis(),
101	>	LONG_DELAY_MS, MILLISECONDS);
102	>	await(done);
103	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
104	>	f.cancel(true);
105	>	} finally {
106	>	joinPool(p);
107		}
108		}
109
110		/**
111		* scheduleWithFixedDelay executes runnable after given initial delay
112		*/
113	<	public void testSchedule5() {
114	<	try {
115	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
116	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
117	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
118	<	assertFalse(runnable.done);
119	<	Thread.sleep(MEDIUM_DELAY_MS);
120	<	assertTrue(runnable.done);
121	<	h.cancel(true);
122	<	p1.shutdown();
123	<	joinPool(p1);
124	<	} catch(Exception e){
125	<	unexpectedException();
113	>	public void testSchedule5() throws Exception {
114	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
115	>	final long startTime = System.nanoTime();
116	>	final CountDownLatch done = new CountDownLatch(1);
117	>	try {
118	>	Runnable task = new CheckedRunnable() {
119	>	public void realRun() {
120	>	done.countDown();
121	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
122	>	}};
123	>	ScheduledFuture f =
124	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
125	>	LONG_DELAY_MS, MILLISECONDS);
126	>	await(done);
127	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
128	>	f.cancel(true);
129	>	} finally {
130	>	joinPool(p);
131	>	}
132	>	}
133	>
134	>	static class RunnableCounter implements Runnable {
135	>	AtomicInteger count = new AtomicInteger(0);
136	>	public void run() { count.getAndIncrement(); }
137	>	}
138	>
139	>	/**
140	>	* scheduleAtFixedRate executes series of tasks at given rate
141	>	*/
142	>	public void testFixedRateSequence() throws InterruptedException {
143	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
144	>	try {
145	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
146	>	long startTime = System.nanoTime();
147	>	int cycles = 10;
148	>	final CountDownLatch done = new CountDownLatch(cycles);
149	>	CheckedRunnable task = new CheckedRunnable() {
150	>	public void realRun() { done.countDown(); }};
151	>
152	>	ScheduledFuture h =
153	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
154	>	done.await();
155	>	h.cancel(true);
156	>	double normalizedTime =
157	>	(double) millisElapsedSince(startTime) / delay;
158	>	if (normalizedTime >= cycles - 1 &&
159	>	normalizedTime <= cycles)
160	>	return;
161	>	}
162	>	throw new AssertionError("unexpected execution rate");
163	>	} finally {
164	>	joinPool(p);
165	>	}
166	>	}
167	>
168	>	/**
169	>	* scheduleWithFixedDelay executes series of tasks with given period
170	>	*/
171	>	public void testFixedDelaySequence() throws InterruptedException {
172	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
173	>	try {
174	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
175	>	long startTime = System.nanoTime();
176	>	int cycles = 10;
177	>	final CountDownLatch done = new CountDownLatch(cycles);
178	>	CheckedRunnable task = new CheckedRunnable() {
179	>	public void realRun() { done.countDown(); }};
180	>
181	>	ScheduledFuture h =
182	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
183	>	done.await();
184	>	h.cancel(true);
185	>	double normalizedTime =
186	>	(double) millisElapsedSince(startTime) / delay;
187	>	if (normalizedTime >= cycles - 1 &&
188	>	normalizedTime <= cycles)
189	>	return;
190	>	}
191	>	throw new AssertionError("unexpected execution rate");
192	>	} finally {
193	>	joinPool(p);
194		}
195		}
196	<
196	>
197		/**
198	<	*  execute (null) throws NPE
198	>	* execute(null) throws NPE
199		*/
200	<	public void testExecuteNull() {
200	>	public void testExecuteNull() throws InterruptedException {
201		ScheduledThreadPoolExecutor se = null;
202		try {
203	<	se = new ScheduledThreadPoolExecutor(1);
204	<	se.execute(null);
203	>	se = new ScheduledThreadPoolExecutor(1);
204	>	se.execute(null);
205		shouldThrow();
206	<	} catch(NullPointerException success){}
207	<	catch(Exception e){
208	<	unexpectedException();
138	<	}
139	<
140	<	joinPool(se);
206	>	} catch (NullPointerException success) {}
207	>
208	>	joinPool(se);
209		}
210
211		/**
212	<	* schedule (null) throws NPE
212	>	* schedule(null) throws NPE
213		*/
214	<	public void testScheduleNull() {
214	>	public void testScheduleNull() throws InterruptedException {
215		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
216	<	try {
216	>	try {
217		TrackedCallable callable = null;
218	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
218	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
219		shouldThrow();
220	<	} catch(NullPointerException success){}
221	<	catch(Exception e){
154	<	unexpectedException();
155	<	}
156	<	joinPool(se);
220	>	} catch (NullPointerException success) {}
221	>	joinPool(se);
222		}
223	<
223	>
224		/**
225		* execute throws RejectedExecutionException if shutdown
226		*/
227	<	public void testSchedule1_RejectedExecutionException() {
227	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
228		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
229		try {
230		se.shutdown();
231		se.schedule(new NoOpRunnable(),
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		}
171	–	joinPool(se);
237
238	+	joinPool(se);
239		}
240
241		/**
242		* schedule throws RejectedExecutionException if shutdown
243		*/
244	<	public void testSchedule2_RejectedExecutionException() {
244	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
245		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
246		try {
247		se.shutdown();
248		se.schedule(new NoOpCallable(),
249	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
249	>	MEDIUM_DELAY_MS, MILLISECONDS);
250		shouldThrow();
251	<	} catch(RejectedExecutionException success){
251	>	} catch (RejectedExecutionException success) {
252	>	} catch (SecurityException ok) {
253		}
254		joinPool(se);
255		}
#	Line 190 | Line 257 | public class ScheduledExecutorTest exten
257		/**
258		* schedule callable throws RejectedExecutionException if shutdown
259		*/
260	<	public void testSchedule3_RejectedExecutionException() {
261	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
262	<	try {
260	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
261	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
262	>	try {
263		se.shutdown();
264		se.schedule(new NoOpCallable(),
265	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
265	>	MEDIUM_DELAY_MS, MILLISECONDS);
266		shouldThrow();
267	<	} catch(RejectedExecutionException success){
268	<	}
269	<	joinPool(se);
267	>	} catch (RejectedExecutionException success) {
268	>	} catch (SecurityException ok) {
269	>	}
270	>	joinPool(se);
271		}
272
273		/**
274	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
274	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
275		*/
276	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
276	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
277		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
278		try {
279		se.shutdown();
280		se.scheduleAtFixedRate(new NoOpRunnable(),
281	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
281	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
282		shouldThrow();
283	<	} catch(RejectedExecutionException success){
284	<	}
283	>	} catch (RejectedExecutionException success) {
284	>	} catch (SecurityException ok) {
285	>	}
286		joinPool(se);
287		}
288	<
288	>
289		/**
290		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
291		*/
292	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
292	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
293		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
294		try {
295		se.shutdown();
296		se.scheduleWithFixedDelay(new NoOpRunnable(),
297	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
297	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
298		shouldThrow();
299	<	} catch(RejectedExecutionException success){
300	<	}
299	>	} catch (RejectedExecutionException success) {
300	>	} catch (SecurityException ok) {
301	>	}
302		joinPool(se);
303		}
304
305		/**
306	<	*  getActiveCount increases but doesn't overestimate, when a
307	<	*  thread becomes active
306	>	* getActiveCount increases but doesn't overestimate, when a
307	>	* thread becomes active
308		*/
309	<	public void testGetActiveCount() {
310	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
311	<	assertEquals(0, p2.getActiveCount());
312	<	p2.execute(new SmallRunnable());
313	<	try {
314	<	Thread.sleep(SHORT_DELAY_MS);
315	<	} catch(Exception e){
316	<	unexpectedException();
309	>	public void testGetActiveCount() throws InterruptedException {
310	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
311	>	final CountDownLatch threadStarted = new CountDownLatch(1);
312	>	final CountDownLatch done = new CountDownLatch(1);
313	>	try {
314	>	assertEquals(0, p.getActiveCount());
315	>	p.execute(new CheckedRunnable() {
316	>	public void realRun() throws InterruptedException {
317	>	threadStarted.countDown();
318	>	assertEquals(1, p.getActiveCount());
319	>	done.await();
320	>	}});
321	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
322	>	assertEquals(1, p.getActiveCount());
323	>	} finally {
324	>	done.countDown();
325	>	joinPool(p);
326		}
248	–	assertEquals(1, p2.getActiveCount());
249	–	joinPool(p2);
327		}
328	<
328	>
329		/**
330	<	*    getCompletedTaskCount increases, but doesn't overestimate,
331	<	*   when tasks complete
330	>	* getCompletedTaskCount increases, but doesn't overestimate,
331	>	* when tasks complete
332		*/
333	<	public void testGetCompletedTaskCount() {
334	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
335	<	assertEquals(0, p2.getCompletedTaskCount());
336	<	p2.execute(new SmallRunnable());
337	<	try {
338	<	Thread.sleep(MEDIUM_DELAY_MS);
339	<	} catch(Exception e){
340	<	unexpectedException();
333	>	public void testGetCompletedTaskCount() throws InterruptedException {
334	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
335	>	final CountDownLatch threadStarted = new CountDownLatch(1);
336	>	final CountDownLatch threadProceed = new CountDownLatch(1);
337	>	final CountDownLatch threadDone = new CountDownLatch(1);
338	>	try {
339	>	assertEquals(0, p.getCompletedTaskCount());
340	>	p.execute(new CheckedRunnable() {
341	>	public void realRun() throws InterruptedException {
342	>	threadStarted.countDown();
343	>	assertEquals(0, p.getCompletedTaskCount());
344	>	threadProceed.await();
345	>	threadDone.countDown();
346	>	}});
347	>	await(threadStarted);
348	>	assertEquals(0, p.getCompletedTaskCount());
349	>	threadProceed.countDown();
350	>	threadDone.await();
351	>	long startTime = System.nanoTime();
352	>	while (p.getCompletedTaskCount() != 1) {
353	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
354	>	fail("timed out");
355	>	Thread.yield();
356	>	}
357	>	} finally {
358	>	joinPool(p);
359		}
265	–	assertEquals(1, p2.getCompletedTaskCount());
266	–	joinPool(p2);
360		}
361	<
361	>
362		/**
363	<	*  getCorePoolSize returns size given in constructor if not otherwise set
363	>	* getCorePoolSize returns size given in constructor if not otherwise set
364		*/
365	<	public void testGetCorePoolSize() {
366	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
367	<	assertEquals(1, p1.getCorePoolSize());
368	<	joinPool(p1);
365	>	public void testGetCorePoolSize() throws InterruptedException {
366	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
367	>	assertEquals(1, p.getCorePoolSize());
368	>	joinPool(p);
369		}
370	<
370	>
371		/**
372	<	*    getLargestPoolSize increases, but doesn't overestimate, when
373	<	*   multiple threads active
372	>	* getLargestPoolSize increases, but doesn't overestimate, when
373	>	* multiple threads active
374		*/
375	<	public void testGetLargestPoolSize() {
376	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
377	<	assertEquals(0, p2.getLargestPoolSize());
378	<	p2.execute(new SmallRunnable());
379	<	p2.execute(new SmallRunnable());
380	<	try {
381	<	Thread.sleep(SHORT_DELAY_MS);
382	<	} catch(Exception e){
383	<	unexpectedException();
375	>	public void testGetLargestPoolSize() throws InterruptedException {
376	>	final int THREADS = 3;
377	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
378	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
379	>	final CountDownLatch done = new CountDownLatch(1);
380	>	try {
381	>	assertEquals(0, p.getLargestPoolSize());
382	>	for (int i = 0; i < THREADS; i++)
383	>	p.execute(new CheckedRunnable() {
384	>	public void realRun() throws InterruptedException {
385	>	threadsStarted.countDown();
386	>	done.await();
387	>	assertEquals(THREADS, p.getLargestPoolSize());
388	>	}});
389	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
390	>	assertEquals(THREADS, p.getLargestPoolSize());
391	>	} finally {
392	>	done.countDown();
393	>	joinPool(p);
394	>	assertEquals(THREADS, p.getLargestPoolSize());
395		}
292	–	assertEquals(2, p2.getLargestPoolSize());
293	–	joinPool(p2);
396		}
397	<
397	>
398		/**
399	<	*   getPoolSize increases, but doesn't overestimate, when threads
400	<	*   become active
399	>	* getPoolSize increases, but doesn't overestimate, when threads
400	>	* become active
401		*/
402	<	public void testGetPoolSize() {
403	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
404	<	assertEquals(0, p1.getPoolSize());
405	<	p1.execute(new SmallRunnable());
406	<	assertEquals(1, p1.getPoolSize());
407	<	joinPool(p1);
402	>	public void testGetPoolSize() throws InterruptedException {
403	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
404	>	final CountDownLatch threadStarted = new CountDownLatch(1);
405	>	final CountDownLatch done = new CountDownLatch(1);
406	>	try {
407	>	assertEquals(0, p.getPoolSize());
408	>	p.execute(new CheckedRunnable() {
409	>	public void realRun() throws InterruptedException {
410	>	threadStarted.countDown();
411	>	assertEquals(1, p.getPoolSize());
412	>	done.await();
413	>	}});
414	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
415	>	assertEquals(1, p.getPoolSize());
416	>	} finally {
417	>	done.countDown();
418	>	joinPool(p);
419	>	}
420		}
421	<
421	>
422		/**
423	<	*    getTaskCount increases, but doesn't overestimate, when tasks
424	<	*    submitted
423	>	* getTaskCount increases, but doesn't overestimate, when tasks
424	>	* submitted
425		*/
426	<	public void testGetTaskCount() {
427	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
428	<	assertEquals(0, p1.getTaskCount());
429	<	for(int i = 0; i < 5; i++)
430	<	p1.execute(new SmallRunnable());
431	<	try {
432	<	Thread.sleep(SHORT_DELAY_MS);
433	<	} catch(Exception e){
434	<	unexpectedException();
426	>	public void testGetTaskCount() throws InterruptedException {
427	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
428	>	final CountDownLatch threadStarted = new CountDownLatch(1);
429	>	final CountDownLatch done = new CountDownLatch(1);
430	>	final int TASKS = 5;
431	>	try {
432	>	assertEquals(0, p.getTaskCount());
433	>	for (int i = 0; i < TASKS; i++)
434	>	p.execute(new CheckedRunnable() {
435	>	public void realRun() throws InterruptedException {
436	>	threadStarted.countDown();
437	>	done.await();
438	>	}});
439	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
440	>	assertEquals(TASKS, p.getTaskCount());
441	>	} finally {
442	>	done.countDown();
443	>	joinPool(p);
444		}
322	–	assertEquals(5, p1.getTaskCount());
323	–	joinPool(p1);
445		}
446
447	<	/**
447	>	/**
448		* getThreadFactory returns factory in constructor if not set
449		*/
450	<	public void testGetThreadFactory() {
450	>	public void testGetThreadFactory() throws InterruptedException {
451		ThreadFactory tf = new SimpleThreadFactory();
452	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
452	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
453		assertSame(tf, p.getThreadFactory());
333	–	p.shutdown();
454		joinPool(p);
455		}
456
457	<	/**
457	>	/**
458		* setThreadFactory sets the thread factory returned by getThreadFactory
459		*/
460	<	public void testSetThreadFactory() {
460	>	public void testSetThreadFactory() throws InterruptedException {
461		ThreadFactory tf = new SimpleThreadFactory();
462	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
462	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
463		p.setThreadFactory(tf);
464		assertSame(tf, p.getThreadFactory());
345	–	p.shutdown();
465		joinPool(p);
466		}
467
468	<	/**
468	>	/**
469		* setThreadFactory(null) throws NPE
470		*/
471	<	public void testSetThreadFactoryNull() {
472	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
471	>	public void testSetThreadFactoryNull() throws InterruptedException {
472	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
473		try {
474		p.setThreadFactory(null);
475		shouldThrow();
#	Line 359 | Line 478 | public class ScheduledExecutorTest exten
478		joinPool(p);
479		}
480		}
481	<
481	>
482		/**
483	<	*   is isShutDown is false before shutdown, true after
483	>	* isShutdown is false before shutdown, true after
484		*/
485		public void testIsShutdown() {
486	<
487	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
486	>
487	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
488		try {
489	<	assertFalse(p1.isShutdown());
489	>	assertFalse(p.isShutdown());
490		}
491		finally {
492	<	p1.shutdown();
492	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
493		}
494	<	assertTrue(p1.isShutdown());
494	>	assertTrue(p.isShutdown());
495		}
496
378	–
497		/**
498	<	*   isTerminated is false before termination, true after
498	>	* isTerminated is false before termination, true after
499		*/
500	<	public void testIsTerminated() {
501	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
500	>	public void testIsTerminated() throws InterruptedException {
501	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
502	>	final CountDownLatch threadStarted = new CountDownLatch(1);
503	>	final CountDownLatch done = new CountDownLatch(1);
504	>	assertFalse(p.isTerminated());
505		try {
506	<	p1.execute(new SmallRunnable());
506	>	p.execute(new CheckedRunnable() {
507	>	public void realRun() throws InterruptedException {
508	>	assertFalse(p.isTerminated());
509	>	threadStarted.countDown();
510	>	done.await();
511	>	}});
512	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
513	>	assertFalse(p.isTerminating());
514	>	done.countDown();
515		} finally {
516	<	p1.shutdown();
516	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
517		}
518	<	try {
519	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
391	<	assertTrue(p1.isTerminated());
392	<	} catch(Exception e){
393	<	unexpectedException();
394	<	}
518	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	>	assertTrue(p.isTerminated());
520		}
521
522		/**
523	<	*  isTerminating is not true when running or when terminated
523	>	* isTerminating is not true when running or when terminated
524		*/
525	<	public void testIsTerminating() {
526	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
527	<	assertFalse(p1.isTerminating());
528	<	try {
529	<	p1.execute(new SmallRunnable());
530	<	assertFalse(p1.isTerminating());
525	>	public void testIsTerminating() throws InterruptedException {
526	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
527	>	final CountDownLatch threadStarted = new CountDownLatch(1);
528	>	final CountDownLatch done = new CountDownLatch(1);
529	>	try {
530	>	assertFalse(p.isTerminating());
531	>	p.execute(new CheckedRunnable() {
532	>	public void realRun() throws InterruptedException {
533	>	assertFalse(p.isTerminating());
534	>	threadStarted.countDown();
535	>	done.await();
536	>	}});
537	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
538	>	assertFalse(p.isTerminating());
539	>	done.countDown();
540		} finally {
541	<	p1.shutdown();
541	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
542		}
543	<	try {
544	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
545	<	assertTrue(p1.isTerminated());
412	<	assertFalse(p1.isTerminating());
413	<	} catch(Exception e){
414	<	unexpectedException();
415	<	}
543	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
544	>	assertTrue(p.isTerminated());
545	>	assertFalse(p.isTerminating());
546		}
547
548		/**
549		* getQueue returns the work queue, which contains queued tasks
550		*/
551	<	public void testGetQueue() {
552	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
553	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
554	<	for(int i = 0; i < 5; i++){
425	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
426	<	}
551	>	public void testGetQueue() throws InterruptedException {
552	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
553	>	final CountDownLatch threadStarted = new CountDownLatch(1);
554	>	final CountDownLatch done = new CountDownLatch(1);
555		try {
556	<	Thread.sleep(SHORT_DELAY_MS);
557	<	BlockingQueue<Runnable> q = p1.getQueue();
558	<	assertTrue(q.contains(tasks[4]));
556	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
557	>	for (int i = 0; i < tasks.length; i++) {
558	>	Runnable r = new CheckedRunnable() {
559	>	public void realRun() throws InterruptedException {
560	>	threadStarted.countDown();
561	>	done.await();
562	>	}};
563	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
564	>	}
565	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
566	>	BlockingQueue<Runnable> q = p.getQueue();
567	>	assertTrue(q.contains(tasks[tasks.length - 1]));
568		assertFalse(q.contains(tasks[0]));
432	–	p1.shutdownNow();
433	–	} catch(Exception e) {
434	–	unexpectedException();
569		} finally {
570	<	joinPool(p1);
570	>	done.countDown();
571	>	joinPool(p);
572		}
573		}
574
575		/**
576		* remove(task) removes queued task, and fails to remove active task
577		*/
578	<	public void testRemove() {
579	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
578	>	public void testRemove() throws InterruptedException {
579	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
580		ScheduledFuture[] tasks = new ScheduledFuture[5];
581	<	for(int i = 0; i < 5; i++){
582	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
448	<	}
581	>	final CountDownLatch threadStarted = new CountDownLatch(1);
582	>	final CountDownLatch done = new CountDownLatch(1);
583		try {
584	<	Thread.sleep(SHORT_DELAY_MS);
585	<	BlockingQueue<Runnable> q = p1.getQueue();
586	<	assertFalse(p1.remove((Runnable)tasks[0]));
584	>	for (int i = 0; i < tasks.length; i++) {
585	>	Runnable r = new CheckedRunnable() {
586	>	public void realRun() throws InterruptedException {
587	>	threadStarted.countDown();
588	>	done.await();
589	>	}};
590	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
591	>	}
592	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
593	>	BlockingQueue<Runnable> q = p.getQueue();
594	>	assertFalse(p.remove((Runnable)tasks[0]));
595		assertTrue(q.contains((Runnable)tasks[4]));
596		assertTrue(q.contains((Runnable)tasks[3]));
597	<	assertTrue(p1.remove((Runnable)tasks[4]));
598	<	assertFalse(p1.remove((Runnable)tasks[4]));
597	>	assertTrue(p.remove((Runnable)tasks[4]));
598	>	assertFalse(p.remove((Runnable)tasks[4]));
599		assertFalse(q.contains((Runnable)tasks[4]));
600		assertTrue(q.contains((Runnable)tasks[3]));
601	<	assertTrue(p1.remove((Runnable)tasks[3]));
601	>	assertTrue(p.remove((Runnable)tasks[3]));
602		assertFalse(q.contains((Runnable)tasks[3]));
461	–	p1.shutdownNow();
462	–	} catch(Exception e) {
463	–	unexpectedException();
603		} finally {
604	<	joinPool(p1);
604	>	done.countDown();
605	>	joinPool(p);
606		}
607		}
608
609		/**
610	<	*  purge removes cancelled tasks from the queue
610	>	* purge eventually removes cancelled tasks from the queue
611		*/
612	<	public void testPurge() {
613	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
612	>	public void testPurge() throws InterruptedException {
613	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
614		ScheduledFuture[] tasks = new ScheduledFuture[5];
615	<	for(int i = 0; i < 5; i++){
616	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
615	>	for (int i = 0; i < tasks.length; i++)
616	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
617	>	LONG_DELAY_MS, MILLISECONDS);
618	>	try {
619	>	int max = tasks.length;
620	>	if (tasks[4].cancel(true)) --max;
621	>	if (tasks[3].cancel(true)) --max;
622	>	// There must eventually be an interference-free point at
623	>	// which purge will not fail. (At worst, when queue is empty.)
624	>	long startTime = System.nanoTime();
625	>	do {
626	>	p.purge();
627	>	long count = p.getTaskCount();
628	>	if (count == max)
629	>	return;
630	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
631	>	fail("Purge failed to remove cancelled tasks");
632	>	} finally {
633	>	for (ScheduledFuture task : tasks)
634	>	task.cancel(true);
635	>	joinPool(p);
636		}
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);
637		}
638
639		/**
640	<	*  shutDownNow returns a list containing tasks that were not run
641	<	*/
642	<	public void testShutDownNow() {
643	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
644	<	for(int i = 0; i < 5; i++)
645	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
646	<	List l = p1.shutdownNow();
647	<	assertTrue(p1.isShutdown());
648	<	assertTrue(l.size() > 0 && l.size() <= 5);
649	<	joinPool(p1);
640	>	* shutdownNow returns a list containing tasks that were not run
641	>	*/
642	>	public void testShutdownNow() {
643	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
644	>	for (int i = 0; i < 5; i++)
645	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
646	>	LONG_DELAY_MS, MILLISECONDS);
647	>	try {
648	>	List<Runnable> l = p.shutdownNow();
649	>	assertTrue(p.isShutdown());
650	>	assertEquals(5, l.size());
651	>	} catch (SecurityException ok) {
652	>	// Allowed in case test doesn't have privs
653	>	} finally {
654	>	joinPool(p);
655	>	}
656		}
657
658		/**
659		* In default setting, shutdown cancels periodic but not delayed
660		* tasks at shutdown
661		*/
662	<	public void testShutDown1() {
663	<	try {
664	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
665	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
508	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
662	>	public void testShutdown1() throws InterruptedException {
663	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
664	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
665	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
666
667	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
668	<	for(int i = 0; i < 5; i++)
669	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
670	<	p1.shutdown();
671	<	BlockingQueue q = p1.getQueue();
672	<	for (Iterator it = q.iterator(); it.hasNext();) {
673	<	ScheduledFuture t = (ScheduledFuture)it.next();
674	<	assertFalse(t.isCancelled());
675	<	}
676	<	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	<
667	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
668	>	for (int i = 0; i < tasks.length; i++)
669	>	tasks[i] = p.schedule(new NoOpRunnable(),
670	>	SHORT_DELAY_MS, MILLISECONDS);
671	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
672	>	BlockingQueue<Runnable> q = p.getQueue();
673	>	for (ScheduledFuture task : tasks) {
674	>	assertFalse(task.isDone());
675	>	assertFalse(task.isCancelled());
676	>	assertTrue(q.contains(task));
677		}
678	<	catch(Exception ex) {
679	<	unexpectedException();
678	>	assertTrue(p.isShutdown());
679	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
680	>	assertTrue(p.isTerminated());
681	>	for (ScheduledFuture task : tasks) {
682	>	assertTrue(task.isDone());
683	>	assertFalse(task.isCancelled());
684		}
685		}
686
532	–
687		/**
688		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
689		* delayed tasks are cancelled at shutdown
690		*/
691	<	public void testShutDown2() {
692	<	try {
693	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
694	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
695	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
696	<	for(int i = 0; i < 5; i++)
697	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
698	<	p1.shutdown();
699	<	assertTrue(p1.isShutdown());
700	<	BlockingQueue q = p1.getQueue();
701	<	assertTrue(q.isEmpty());
702	<	Thread.sleep(SMALL_DELAY_MS);
703	<	assertTrue(p1.isTerminated());
704	<	}
705	<	catch(Exception ex) {
706	<	unexpectedException();
691	>	public void testShutdown2() throws InterruptedException {
692	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
693	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
694	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
695	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
696	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
697	>	for (int i = 0; i < tasks.length; i++)
698	>	tasks[i] = p.schedule(new NoOpRunnable(),
699	>	SHORT_DELAY_MS, MILLISECONDS);
700	>	BlockingQueue q = p.getQueue();
701	>	assertEquals(tasks.length, q.size());
702	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
703	>	assertTrue(p.isShutdown());
704	>	assertTrue(q.isEmpty());
705	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
706	>	assertTrue(p.isTerminated());
707	>	for (ScheduledFuture task : tasks) {
708	>	assertTrue(task.isDone());
709	>	assertTrue(task.isCancelled());
710		}
711		}
712
556	–
713		/**
714		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
715	<	* periodic tasks are not cancelled at shutdown
715	>	* periodic tasks are cancelled at shutdown
716		*/
717	<	public void testShutDown3() {
718	<	try {
719	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
720	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
721	<	ScheduledFuture task =
722	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
723	<	p1.shutdown();
724	<	assertTrue(p1.isShutdown());
725	<	BlockingQueue q = p1.getQueue();
726	<	assertTrue(q.isEmpty());
727	<	Thread.sleep(SHORT_DELAY_MS);
728	<	assertTrue(p1.isTerminated());
729	<	}
730	<	catch(Exception ex) {
731	<	unexpectedException();
732	<	}
717	>	public void testShutdown3() throws InterruptedException {
718	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
719	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
720	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
721	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
722	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
723	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
724	>	long initialDelay = LONG_DELAY_MS;
725	>	ScheduledFuture task =
726	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
727	>	5, MILLISECONDS);
728	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
729	>	assertTrue(p.isShutdown());
730	>	assertTrue(p.getQueue().isEmpty());
731	>	assertTrue(task.isDone());
732	>	assertTrue(task.isCancelled());
733	>	joinPool(p);
734		}
735
736		/**
737		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
738	<	* periodic tasks are cancelled at shutdown
738	>	* periodic tasks are not cancelled at shutdown
739		*/
740	<	public void testShutDown4() {
741	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
742	<	try {
743	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
740	>	public void testShutdown4() throws InterruptedException {
741	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
742	>	final CountDownLatch counter = new CountDownLatch(2);
743	>	try {
744	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
745	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
746	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
747	>	final Runnable r = new CheckedRunnable() {
748	>	public void realRun() {
749	>	counter.countDown();
750	>	}};
751		ScheduledFuture task =
752	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
752	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
753	>	assertFalse(task.isDone());
754		assertFalse(task.isCancelled());
755	<	p1.shutdown();
755	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
756		assertFalse(task.isCancelled());
757	<	assertFalse(p1.isTerminated());
758	<	assertTrue(p1.isShutdown());
759	<	Thread.sleep(SHORT_DELAY_MS);
757	>	assertFalse(p.isTerminated());
758	>	assertTrue(p.isShutdown());
759	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
760		assertFalse(task.isCancelled());
761	<	task.cancel(true);
761	>	assertTrue(task.cancel(false));
762	>	assertTrue(task.isDone());
763		assertTrue(task.isCancelled());
764	<	Thread.sleep(SHORT_DELAY_MS);
765	<	assertTrue(p1.isTerminated());
600	<	}
601	<	catch(Exception ex) {
602	<	unexpectedException();
764	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
765	>	assertTrue(p.isTerminated());
766		}
767		finally {
768	<	p1.shutdownNow();
768	>	joinPool(p);
769		}
770		}
771
772		/**
773		* completed submit of callable returns result
774		*/
775	<	public void testSubmitCallable() {
775	>	public void testSubmitCallable() throws Exception {
776		ExecutorService e = new ScheduledThreadPoolExecutor(2);
777		try {
778		Future<String> future = e.submit(new StringTask());
779		String result = future.get();
780		assertSame(TEST_STRING, result);
618	–	}
619	–	catch (ExecutionException ex) {
620	–	unexpectedException();
621	–	}
622	–	catch (InterruptedException ex) {
623	–	unexpectedException();
781		} finally {
782		joinPool(e);
783		}
#	Line 629 | Line 786 | public class ScheduledExecutorTest exten
786		/**
787		* completed submit of runnable returns successfully
788		*/
789	<	public void testSubmitRunnable() {
789	>	public void testSubmitRunnable() throws Exception {
790		ExecutorService e = new ScheduledThreadPoolExecutor(2);
791		try {
792		Future<?> future = e.submit(new NoOpRunnable());
793		future.get();
794		assertTrue(future.isDone());
638	–	}
639	–	catch (ExecutionException ex) {
640	–	unexpectedException();
641	–	}
642	–	catch (InterruptedException ex) {
643	–	unexpectedException();
795		} finally {
796		joinPool(e);
797		}
#	Line 649 | Line 800 | public class ScheduledExecutorTest exten
800		/**
801		* completed submit of (runnable, result) returns result
802		*/
803	<	public void testSubmitRunnable2() {
803	>	public void testSubmitRunnable2() throws Exception {
804		ExecutorService e = new ScheduledThreadPoolExecutor(2);
805		try {
806		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
807		String result = future.get();
808		assertSame(TEST_STRING, result);
658	–	}
659	–	catch (ExecutionException ex) {
660	–	unexpectedException();
661	–	}
662	–	catch (InterruptedException ex) {
663	–	unexpectedException();
809		} finally {
810		joinPool(e);
811		}
812		}
813
669	–
670	–
671	–
672	–
814		/**
815		* invokeAny(null) throws NPE
816		*/
817	<	public void testInvokeAny1() {
817	>	public void testInvokeAny1() throws Exception {
818		ExecutorService e = new ScheduledThreadPoolExecutor(2);
819		try {
820		e.invokeAny(null);
821	+	shouldThrow();
822		} catch (NullPointerException success) {
681	–	} catch(Exception ex) {
682	–	unexpectedException();
823		} finally {
824		joinPool(e);
825		}
#	Line 688 | Line 828 | public class ScheduledExecutorTest exten
828		/**
829		* invokeAny(empty collection) throws IAE
830		*/
831	<	public void testInvokeAny2() {
831	>	public void testInvokeAny2() throws Exception {
832		ExecutorService e = new ScheduledThreadPoolExecutor(2);
833		try {
834		e.invokeAny(new ArrayList<Callable<String>>());
835	+	shouldThrow();
836		} catch (IllegalArgumentException success) {
696	–	} catch(Exception ex) {
697	–	unexpectedException();
837		} finally {
838		joinPool(e);
839		}
#	Line 703 | Line 842 | public class ScheduledExecutorTest exten
842		/**
843		* invokeAny(c) throws NPE if c has null elements
844		*/
845	<	public void testInvokeAny3() {
845	>	public void testInvokeAny3() throws Exception {
846	>	CountDownLatch latch = new CountDownLatch(1);
847		ExecutorService e = new ScheduledThreadPoolExecutor(2);
848	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
849	+	l.add(latchAwaitingStringTask(latch));
850	+	l.add(null);
851		try {
709	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
710	–	l.add(new StringTask());
711	–	l.add(null);
852		e.invokeAny(l);
853	+	shouldThrow();
854		} catch (NullPointerException success) {
714	–	} catch(Exception ex) {
715	–	unexpectedException();
855		} finally {
856	+	latch.countDown();
857		joinPool(e);
858		}
859		}
#	Line 721 | Line 861 | public class ScheduledExecutorTest exten
861		/**
862		* invokeAny(c) throws ExecutionException if no task completes
863		*/
864	<	public void testInvokeAny4() {
864	>	public void testInvokeAny4() throws Exception {
865		ExecutorService e = new ScheduledThreadPoolExecutor(2);
866	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
867	+	l.add(new NPETask());
868		try {
727	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
728	–	l.add(new NPETask());
869		e.invokeAny(l);
870	+	shouldThrow();
871		} catch (ExecutionException success) {
872	<	} catch(Exception ex) {
732	<	unexpectedException();
872	>	assertTrue(success.getCause() instanceof NullPointerException);
873		} finally {
874		joinPool(e);
875		}
#	Line 738 | Line 878 | public class ScheduledExecutorTest exten
878		/**
879		* invokeAny(c) returns result of some task
880		*/
881	<	public void testInvokeAny5() {
881	>	public void testInvokeAny5() throws Exception {
882		ExecutorService e = new ScheduledThreadPoolExecutor(2);
883		try {
884	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
884	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
885		l.add(new StringTask());
886		l.add(new StringTask());
887		String result = e.invokeAny(l);
888		assertSame(TEST_STRING, result);
749	–	} catch (ExecutionException success) {
750	–	} catch(Exception ex) {
751	–	unexpectedException();
889		} finally {
890		joinPool(e);
891		}
#	Line 757 | Line 894 | public class ScheduledExecutorTest exten
894		/**
895		* invokeAll(null) throws NPE
896		*/
897	<	public void testInvokeAll1() {
897	>	public void testInvokeAll1() throws Exception {
898		ExecutorService e = new ScheduledThreadPoolExecutor(2);
899		try {
900		e.invokeAll(null);
901	+	shouldThrow();
902		} catch (NullPointerException success) {
765	–	} catch(Exception ex) {
766	–	unexpectedException();
903		} finally {
904		joinPool(e);
905		}
#	Line 772 | Line 908 | public class ScheduledExecutorTest exten
908		/**
909		* invokeAll(empty collection) returns empty collection
910		*/
911	<	public void testInvokeAll2() {
911	>	public void testInvokeAll2() throws Exception {
912		ExecutorService e = new ScheduledThreadPoolExecutor(2);
913		try {
914		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
915		assertTrue(r.isEmpty());
780	–	} catch(Exception ex) {
781	–	unexpectedException();
916		} finally {
917		joinPool(e);
918		}
#	Line 787 | Line 921 | public class ScheduledExecutorTest exten
921		/**
922		* invokeAll(c) throws NPE if c has null elements
923		*/
924	<	public void testInvokeAll3() {
924	>	public void testInvokeAll3() throws Exception {
925		ExecutorService e = new ScheduledThreadPoolExecutor(2);
926	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
927	+	l.add(new StringTask());
928	+	l.add(null);
929		try {
793	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
794	–	l.add(new StringTask());
795	–	l.add(null);
930		e.invokeAll(l);
931	+	shouldThrow();
932		} catch (NullPointerException success) {
798	–	} catch(Exception ex) {
799	–	unexpectedException();
933		} finally {
934		joinPool(e);
935		}
#	Line 805 | Line 938 | public class ScheduledExecutorTest exten
938		/**
939		* get of invokeAll(c) throws exception on failed task
940		*/
941	<	public void testInvokeAll4() {
941	>	public void testInvokeAll4() throws Exception {
942		ExecutorService e = new ScheduledThreadPoolExecutor(2);
943	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
944	+	l.add(new NPETask());
945	+	List<Future<String>> futures = e.invokeAll(l);
946	+	assertEquals(1, futures.size());
947		try {
948	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
949	<	l.add(new NPETask());
950	<	List<Future<String>> result = e.invokeAll(l);
951	<	assertEquals(1, result.size());
815	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
816	<	it.next().get();
817	<	} catch(ExecutionException success) {
818	<	} catch(Exception ex) {
819	<	unexpectedException();
948	>	futures.get(0).get();
949	>	shouldThrow();
950	>	} catch (ExecutionException success) {
951	>	assertTrue(success.getCause() instanceof NullPointerException);
952		} finally {
953		joinPool(e);
954		}
#	Line 825 | Line 957 | public class ScheduledExecutorTest exten
957		/**
958		* invokeAll(c) returns results of all completed tasks
959		*/
960	<	public void testInvokeAll5() {
960	>	public void testInvokeAll5() throws Exception {
961		ExecutorService e = new ScheduledThreadPoolExecutor(2);
962		try {
963	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
963	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
964		l.add(new StringTask());
965		l.add(new StringTask());
966	<	List<Future<String>> result = e.invokeAll(l);
967	<	assertEquals(2, result.size());
968	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
969	<	assertSame(TEST_STRING, it.next().get());
966	>	List<Future<String>> futures = e.invokeAll(l);
967	>	assertEquals(2, futures.size());
968	>	for (Future<String> future : futures)
969	>	assertSame(TEST_STRING, future.get());
970	>	} finally {
971	>	joinPool(e);
972	>	}
973	>	}
974	>
975	>	/**
976	>	* timed invokeAny(null) throws NPE
977	>	*/
978	>	public void testTimedInvokeAny1() throws Exception {
979	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
980	>	try {
981	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
982	>	shouldThrow();
983	>	} catch (NullPointerException success) {
984	>	} finally {
985	>	joinPool(e);
986	>	}
987	>	}
988	>
989	>	/**
990	>	* timed invokeAny(,,null) throws NPE
991	>	*/
992	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
993	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
994	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
995	>	l.add(new StringTask());
996	>	try {
997	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
998	>	shouldThrow();
999	>	} catch (NullPointerException success) {
1000	>	} finally {
1001	>	joinPool(e);
1002	>	}
1003	>	}
1004	>
1005	>	/**
1006	>	* timed invokeAny(empty collection) throws IAE
1007	>	*/
1008	>	public void testTimedInvokeAny2() throws Exception {
1009	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1010	>	try {
1011	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1012	>	shouldThrow();
1013	>	} catch (IllegalArgumentException success) {
1014	>	} finally {
1015	>	joinPool(e);
1016	>	}
1017	>	}
1018	>
1019	>	/**
1020	>	* timed invokeAny(c) throws NPE if c has null elements
1021	>	*/
1022	>	public void testTimedInvokeAny3() throws Exception {
1023	>	CountDownLatch latch = new CountDownLatch(1);
1024	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1025	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1026	>	l.add(latchAwaitingStringTask(latch));
1027	>	l.add(null);
1028	>	try {
1029	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1030	>	shouldThrow();
1031	>	} catch (NullPointerException success) {
1032	>	} finally {
1033	>	latch.countDown();
1034	>	joinPool(e);
1035	>	}
1036	>	}
1037	>
1038	>	/**
1039	>	* timed invokeAny(c) throws ExecutionException if no task completes
1040	>	*/
1041	>	public void testTimedInvokeAny4() throws Exception {
1042	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1043	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1044	>	l.add(new NPETask());
1045	>	try {
1046	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1047	>	shouldThrow();
1048	>	} catch (ExecutionException success) {
1049	>	assertTrue(success.getCause() instanceof NullPointerException);
1050	>	} finally {
1051	>	joinPool(e);
1052	>	}
1053	>	}
1054	>
1055	>	/**
1056	>	* timed invokeAny(c) returns result of some task
1057	>	*/
1058	>	public void testTimedInvokeAny5() throws Exception {
1059	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1060	>	try {
1061	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1062	>	l.add(new StringTask());
1063	>	l.add(new StringTask());
1064	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1065	>	assertSame(TEST_STRING, result);
1066	>	} finally {
1067	>	joinPool(e);
1068	>	}
1069	>	}
1070	>
1071	>	/**
1072	>	* timed invokeAll(null) throws NPE
1073	>	*/
1074	>	public void testTimedInvokeAll1() throws Exception {
1075	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1076	>	try {
1077	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1078	>	shouldThrow();
1079	>	} catch (NullPointerException success) {
1080	>	} finally {
1081	>	joinPool(e);
1082	>	}
1083	>	}
1084	>
1085	>	/**
1086	>	* timed invokeAll(,,null) throws NPE
1087	>	*/
1088	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1089	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1090	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1091	>	l.add(new StringTask());
1092	>	try {
1093	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1094	>	shouldThrow();
1095	>	} catch (NullPointerException success) {
1096	>	} finally {
1097	>	joinPool(e);
1098	>	}
1099	>	}
1100	>
1101	>	/**
1102	>	* timed invokeAll(empty collection) returns empty collection
1103	>	*/
1104	>	public void testTimedInvokeAll2() throws Exception {
1105	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1106	>	try {
1107	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1108	>	assertTrue(r.isEmpty());
1109	>	} finally {
1110	>	joinPool(e);
1111	>	}
1112	>	}
1113	>
1114	>	/**
1115	>	* timed invokeAll(c) throws NPE if c has null elements
1116	>	*/
1117	>	public void testTimedInvokeAll3() throws Exception {
1118	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1119	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1120	>	l.add(new StringTask());
1121	>	l.add(null);
1122	>	try {
1123	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1124	>	shouldThrow();
1125	>	} catch (NullPointerException success) {
1126	>	} finally {
1127	>	joinPool(e);
1128	>	}
1129	>	}
1130	>
1131	>	/**
1132	>	* get of element of invokeAll(c) throws exception on failed task
1133	>	*/
1134	>	public void testTimedInvokeAll4() throws Exception {
1135	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1136	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1137	>	l.add(new NPETask());
1138	>	List<Future<String>> futures =
1139	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1140	>	assertEquals(1, futures.size());
1141	>	try {
1142	>	futures.get(0).get();
1143	>	shouldThrow();
1144		} catch (ExecutionException success) {
1145	<	} catch(Exception ex) {
840	<	unexpectedException();
1145	>	assertTrue(success.getCause() instanceof NullPointerException);
1146		} finally {
1147		joinPool(e);
1148		}
1149		}
1150
1151	+	/**
1152	+	* timed invokeAll(c) returns results of all completed tasks
1153	+	*/
1154	+	public void testTimedInvokeAll5() throws Exception {
1155	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1156	+	try {
1157	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1158	+	l.add(new StringTask());
1159	+	l.add(new StringTask());
1160	+	List<Future<String>> futures =
1161	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1162	+	assertEquals(2, futures.size());
1163	+	for (Future<String> future : futures)
1164	+	assertSame(TEST_STRING, future.get());
1165	+	} finally {
1166	+	joinPool(e);
1167	+	}
1168	+	}
1169	+
1170	+	/**
1171	+	* timed invokeAll(c) cancels tasks not completed by timeout
1172	+	*/
1173	+	public void testTimedInvokeAll6() throws Exception {
1174	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1175	+	try {
1176	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1177	+	l.add(new StringTask());
1178	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1179	+	l.add(new StringTask());
1180	+	List<Future<String>> futures =
1181	+	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1182	+	assertEquals(l.size(), futures.size());
1183	+	for (Future future : futures)
1184	+	assertTrue(future.isDone());
1185	+	assertFalse(futures.get(0).isCancelled());
1186	+	assertTrue(futures.get(1).isCancelled());
1187	+	} finally {
1188	+	joinPool(e);
1189	+	}
1190	+	}
1191
1192		}

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