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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.9 by dl, Thu Dec 4 20:54:46 2003 UTC vs.
Revision 1.33 by jsr166, Mon Oct 11 07:21:32 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	<	*  execute (null) throws NPE
164	>	* scheduleWithFixedDelay executes series of tasks with given period
165		*/
166	<	public void testExecuteNull() {
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
182	>	*/
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		}
322	–	assertEquals(5, p1.getTaskCount());
323	–	joinPool(p1);
399		}
400
401	<	/**
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	>	}
424	>	}
425	>
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	>	threadStarted.countDown();
513	>	assertFalse(p.isTerminating());
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	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
675	>	for (int i = 0; i < tasks.length; i++)
676	>	tasks[i] = p.schedule(new NoOpRunnable(),
677	>	SHORT_DELAY_MS, MILLISECONDS);
678	>	BlockingQueue q = p.getQueue();
679	>	assertEquals(tasks.length, q.size());
680	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
681	>	assertTrue(p.isShutdown());
682	>	assertTrue(q.isEmpty());
683	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
684	>	assertTrue(p.isTerminated());
685	>	for (ScheduledFuture task : tasks) {
686	>	assertTrue(task.isDone());
687	>	assertTrue(task.isCancelled());
688		}
689		}
690
556	–
691		/**
692		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
693	<	* periodic tasks are not cancelled at shutdown
693	>	* periodic tasks are cancelled at shutdown
694		*/
695	<	public void testShutDown3() {
696	<	try {
697	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
698	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
699	<	ScheduledFuture task =
700	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
701	<	p1.shutdown();
702	<	assertTrue(p1.isShutdown());
703	<	BlockingQueue q = p1.getQueue();
704	<	assertTrue(q.isEmpty());
705	<	Thread.sleep(SHORT_DELAY_MS);
706	<	assertTrue(p1.isTerminated());
707	<	}
574	<	catch(Exception ex) {
575	<	unexpectedException();
576	<	}
695	>	public void testShutDown3() throws InterruptedException {
696	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
697	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
698	>	ScheduledFuture task =
699	>	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
700	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
701	>	assertTrue(p.isShutdown());
702	>	BlockingQueue q = p.getQueue();
703	>	assertTrue(p.getQueue().isEmpty());
704	>	assertTrue(task.isDone());
705	>	assertTrue(task.isCancelled());
706	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
707	>	assertTrue(p.isTerminated());
708		}
709
710		/**
711		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
712	<	* periodic tasks are cancelled at shutdown
712	>	* periodic tasks are not cancelled at shutdown
713		*/
714	<	public void testShutDown4() {
715	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
716	<	try {
717	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
714	>	public void testShutDown4() throws InterruptedException {
715	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
716	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
717	>	final CountDownLatch counter = new CountDownLatch(2);
718	>	try {
719	>	final Runnable r = new CheckedRunnable() {
720	>	public void realRun() {
721	>	counter.countDown();
722	>	}};
723		ScheduledFuture task =
724	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
724	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
725	>	assertFalse(task.isDone());
726		assertFalse(task.isCancelled());
727	<	p1.shutdown();
727	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
728		assertFalse(task.isCancelled());
729	<	assertFalse(p1.isTerminated());
730	<	assertTrue(p1.isShutdown());
731	<	Thread.sleep(SHORT_DELAY_MS);
729	>	assertFalse(p.isTerminated());
730	>	assertTrue(p.isShutdown());
731	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
732		assertFalse(task.isCancelled());
733	<	task.cancel(true);
733	>	assertTrue(task.cancel(false));
734	>	assertTrue(task.isDone());
735		assertTrue(task.isCancelled());
736	<	Thread.sleep(SHORT_DELAY_MS);
737	<	assertTrue(p1.isTerminated());
600	<	}
601	<	catch(Exception ex) {
602	<	unexpectedException();
736	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
737	>	assertTrue(p.isTerminated());
738		}
739		finally {
740	<	p1.shutdownNow();
740	>	joinPool(p);
741		}
742		}
743
744	+	/**
745	+	* completed submit of callable returns result
746	+	*/
747	+	public void testSubmitCallable() throws Exception {
748	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
749	+	try {
750	+	Future<String> future = e.submit(new StringTask());
751	+	String result = future.get();
752	+	assertSame(TEST_STRING, result);
753	+	} finally {
754	+	joinPool(e);
755	+	}
756	+	}
757	+
758	+	/**
759	+	* completed submit of runnable returns successfully
760	+	*/
761	+	public void testSubmitRunnable() throws Exception {
762	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
763	+	try {
764	+	Future<?> future = e.submit(new NoOpRunnable());
765	+	future.get();
766	+	assertTrue(future.isDone());
767	+	} finally {
768	+	joinPool(e);
769	+	}
770	+	}
771	+
772	+	/**
773	+	* completed submit of (runnable, result) returns result
774	+	*/
775	+	public void testSubmitRunnable2() throws Exception {
776	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
777	+	try {
778	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
779	+	String result = future.get();
780	+	assertSame(TEST_STRING, result);
781	+	} finally {
782	+	joinPool(e);
783	+	}
784	+	}
785	+
786	+	/**
787	+	* invokeAny(null) throws NPE
788	+	*/
789	+	public void testInvokeAny1() throws Exception {
790	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
791	+	try {
792	+	e.invokeAny(null);
793	+	shouldThrow();
794	+	} catch (NullPointerException success) {
795	+	} finally {
796	+	joinPool(e);
797	+	}
798	+	}
799	+
800	+	/**
801	+	* invokeAny(empty collection) throws IAE
802	+	*/
803	+	public void testInvokeAny2() throws Exception {
804	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
805	+	try {
806	+	e.invokeAny(new ArrayList<Callable<String>>());
807	+	shouldThrow();
808	+	} catch (IllegalArgumentException success) {
809	+	} finally {
810	+	joinPool(e);
811	+	}
812	+	}
813	+
814	+	/**
815	+	* invokeAny(c) throws NPE if c has null elements
816	+	*/
817	+	public void testInvokeAny3() throws Exception {
818	+	CountDownLatch latch = new CountDownLatch(1);
819	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
820	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
821	+	l.add(latchAwaitingStringTask(latch));
822	+	l.add(null);
823	+	try {
824	+	e.invokeAny(l);
825	+	shouldThrow();
826	+	} catch (NullPointerException success) {
827	+	} finally {
828	+	latch.countDown();
829	+	joinPool(e);
830	+	}
831	+	}
832	+
833	+	/**
834	+	* invokeAny(c) throws ExecutionException if no task completes
835	+	*/
836	+	public void testInvokeAny4() throws Exception {
837	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
838	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
839	+	l.add(new NPETask());
840	+	try {
841	+	e.invokeAny(l);
842	+	shouldThrow();
843	+	} catch (ExecutionException success) {
844	+	assertTrue(success.getCause() instanceof NullPointerException);
845	+	} finally {
846	+	joinPool(e);
847	+	}
848	+	}
849	+
850	+	/**
851	+	* invokeAny(c) returns result of some task
852	+	*/
853	+	public void testInvokeAny5() throws Exception {
854	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
855	+	try {
856	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
857	+	l.add(new StringTask());
858	+	l.add(new StringTask());
859	+	String result = e.invokeAny(l);
860	+	assertSame(TEST_STRING, result);
861	+	} finally {
862	+	joinPool(e);
863	+	}
864	+	}
865	+
866	+	/**
867	+	* invokeAll(null) throws NPE
868	+	*/
869	+	public void testInvokeAll1() throws Exception {
870	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
871	+	try {
872	+	e.invokeAll(null);
873	+	shouldThrow();
874	+	} catch (NullPointerException success) {
875	+	} finally {
876	+	joinPool(e);
877	+	}
878	+	}
879	+
880	+	/**
881	+	* invokeAll(empty collection) returns empty collection
882	+	*/
883	+	public void testInvokeAll2() throws Exception {
884	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
885	+	try {
886	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
887	+	assertTrue(r.isEmpty());
888	+	} finally {
889	+	joinPool(e);
890	+	}
891	+	}
892	+
893	+	/**
894	+	* invokeAll(c) throws NPE if c has null elements
895	+	*/
896	+	public void testInvokeAll3() throws Exception {
897	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
898	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
899	+	l.add(new StringTask());
900	+	l.add(null);
901	+	try {
902	+	e.invokeAll(l);
903	+	shouldThrow();
904	+	} catch (NullPointerException success) {
905	+	} finally {
906	+	joinPool(e);
907	+	}
908	+	}
909	+
910	+	/**
911	+	* get of invokeAll(c) throws exception on failed task
912	+	*/
913	+	public void testInvokeAll4() throws Exception {
914	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
915	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
916	+	l.add(new NPETask());
917	+	List<Future<String>> futures = e.invokeAll(l);
918	+	assertEquals(1, futures.size());
919	+	try {
920	+	futures.get(0).get();
921	+	shouldThrow();
922	+	} catch (ExecutionException success) {
923	+	assertTrue(success.getCause() instanceof NullPointerException);
924	+	} finally {
925	+	joinPool(e);
926	+	}
927	+	}
928	+
929	+	/**
930	+	* invokeAll(c) returns results of all completed tasks
931	+	*/
932	+	public void testInvokeAll5() throws Exception {
933	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
934	+	try {
935	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
936	+	l.add(new StringTask());
937	+	l.add(new StringTask());
938	+	List<Future<String>> futures = e.invokeAll(l);
939	+	assertEquals(2, futures.size());
940	+	for (Future<String> future : futures)
941	+	assertSame(TEST_STRING, future.get());
942	+	} finally {
943	+	joinPool(e);
944	+	}
945	+	}
946	+
947	+	/**
948	+	* timed invokeAny(null) throws NPE
949	+	*/
950	+	public void testTimedInvokeAny1() throws Exception {
951	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
952	+	try {
953	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
954	+	shouldThrow();
955	+	} catch (NullPointerException success) {
956	+	} finally {
957	+	joinPool(e);
958	+	}
959	+	}
960	+
961	+	/**
962	+	* timed invokeAny(,,null) throws NPE
963	+	*/
964	+	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
965	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
966	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
967	+	l.add(new StringTask());
968	+	try {
969	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
970	+	shouldThrow();
971	+	} catch (NullPointerException success) {
972	+	} finally {
973	+	joinPool(e);
974	+	}
975	+	}
976	+
977	+	/**
978	+	* timed invokeAny(empty collection) throws IAE
979	+	*/
980	+	public void testTimedInvokeAny2() throws Exception {
981	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
982	+	try {
983	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
984	+	shouldThrow();
985	+	} catch (IllegalArgumentException success) {
986	+	} finally {
987	+	joinPool(e);
988	+	}
989	+	}
990	+
991	+	/**
992	+	* timed invokeAny(c) throws NPE if c has null elements
993	+	*/
994	+	public void testTimedInvokeAny3() throws Exception {
995	+	CountDownLatch latch = new CountDownLatch(1);
996	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
997	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
998	+	l.add(latchAwaitingStringTask(latch));
999	+	l.add(null);
1000	+	try {
1001	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1002	+	shouldThrow();
1003	+	} catch (NullPointerException success) {
1004	+	} finally {
1005	+	latch.countDown();
1006	+	joinPool(e);
1007	+	}
1008	+	}
1009	+
1010	+	/**
1011	+	* timed invokeAny(c) throws ExecutionException if no task completes
1012	+	*/
1013	+	public void testTimedInvokeAny4() throws Exception {
1014	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1015	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1016	+	l.add(new NPETask());
1017	+	try {
1018	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1019	+	shouldThrow();
1020	+	} catch (ExecutionException success) {
1021	+	assertTrue(success.getCause() instanceof NullPointerException);
1022	+	} finally {
1023	+	joinPool(e);
1024	+	}
1025	+	}
1026	+
1027	+	/**
1028	+	* timed invokeAny(c) returns result of some task
1029	+	*/
1030	+	public void testTimedInvokeAny5() throws Exception {
1031	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1032	+	try {
1033	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1034	+	l.add(new StringTask());
1035	+	l.add(new StringTask());
1036	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1037	+	assertSame(TEST_STRING, result);
1038	+	} finally {
1039	+	joinPool(e);
1040	+	}
1041	+	}
1042	+
1043	+	/**
1044	+	* timed invokeAll(null) throws NPE
1045	+	*/
1046	+	public void testTimedInvokeAll1() throws Exception {
1047	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1048	+	try {
1049	+	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1050	+	shouldThrow();
1051	+	} catch (NullPointerException success) {
1052	+	} finally {
1053	+	joinPool(e);
1054	+	}
1055	+	}
1056	+
1057	+	/**
1058	+	* timed invokeAll(,,null) throws NPE
1059	+	*/
1060	+	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1061	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1062	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1063	+	l.add(new StringTask());
1064	+	try {
1065	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1066	+	shouldThrow();
1067	+	} catch (NullPointerException success) {
1068	+	} finally {
1069	+	joinPool(e);
1070	+	}
1071	+	}
1072	+
1073	+	/**
1074	+	* timed invokeAll(empty collection) returns empty collection
1075	+	*/
1076	+	public void testTimedInvokeAll2() throws Exception {
1077	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1078	+	try {
1079	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1080	+	assertTrue(r.isEmpty());
1081	+	} finally {
1082	+	joinPool(e);
1083	+	}
1084	+	}
1085	+
1086	+	/**
1087	+	* timed invokeAll(c) throws NPE if c has null elements
1088	+	*/
1089	+	public void testTimedInvokeAll3() throws Exception {
1090	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1091	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1092	+	l.add(new StringTask());
1093	+	l.add(null);
1094	+	try {
1095	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1096	+	shouldThrow();
1097	+	} catch (NullPointerException success) {
1098	+	} finally {
1099	+	joinPool(e);
1100	+	}
1101	+	}
1102	+
1103	+	/**
1104	+	* get of element of invokeAll(c) throws exception on failed task
1105	+	*/
1106	+	public void testTimedInvokeAll4() throws Exception {
1107	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1108	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1109	+	l.add(new NPETask());
1110	+	List<Future<String>> futures =
1111	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1112	+	assertEquals(1, futures.size());
1113	+	try {
1114	+	futures.get(0).get();
1115	+	shouldThrow();
1116	+	} catch (ExecutionException success) {
1117	+	assertTrue(success.getCause() instanceof NullPointerException);
1118	+	} finally {
1119	+	joinPool(e);
1120	+	}
1121	+	}
1122	+
1123	+	/**
1124	+	* timed invokeAll(c) returns results of all completed tasks
1125	+	*/
1126	+	public void testTimedInvokeAll5() throws Exception {
1127	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1128	+	try {
1129	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1130	+	l.add(new StringTask());
1131	+	l.add(new StringTask());
1132	+	List<Future<String>> futures =
1133	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1134	+	assertEquals(2, futures.size());
1135	+	for (Future<String> future : futures)
1136	+	assertSame(TEST_STRING, future.get());
1137	+	} finally {
1138	+	joinPool(e);
1139	+	}
1140	+	}
1141	+
1142	+	/**
1143	+	* timed invokeAll(c) cancels tasks not completed by timeout
1144	+	*/
1145	+	public void testTimedInvokeAll6() throws Exception {
1146	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1147	+	try {
1148	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1149	+	l.add(new StringTask());
1150	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1151	+	l.add(new StringTask());
1152	+	List<Future<String>> futures =
1153	+	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1154	+	assertEquals(3, futures.size());
1155	+	Iterator<Future<String>> it = futures.iterator();
1156	+	Future<String> f1 = it.next();
1157	+	Future<String> f2 = it.next();
1158	+	Future<String> f3 = it.next();
1159	+	assertTrue(f1.isDone());
1160	+	assertTrue(f2.isDone());
1161	+	assertTrue(f3.isDone());
1162	+	assertFalse(f1.isCancelled());
1163	+	assertTrue(f2.isCancelled());
1164	+	} finally {
1165	+	joinPool(e);
1166	+	}
1167	+	}
1168	+
1169	+
1170		}

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