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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.6 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.35 by jsr166, Wed Nov 17 23:12:31 2010 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	+	import java.util.concurrent.atomic.*;
14
15		public class ScheduledExecutorTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(ScheduledExecutorTest.class);
20	>	return new TestSuite(ScheduledExecutorTest.class);
21		}
22
20	–	static class MyRunnable implements Runnable {
21	–	volatile boolean done = false;
22	–	public void run() {
23	–	try {
24	–	Thread.sleep(SMALL_DELAY_MS);
25	–	done = true;
26	–	} catch(Exception e){
27	–	}
28	–	}
29	–	}
30	–
31	–	static class MyCallable implements Callable {
32	–	volatile boolean done = false;
33	–	public Object call() {
34	–	try {
35	–	Thread.sleep(SMALL_DELAY_MS);
36	–	done = true;
37	–	} catch(Exception e){
38	–	}
39	–	return Boolean.TRUE;
40	–	}
41	–	}
23
24		/**
25		* execute successfully executes a runnable
26		*/
27	<	public void testExecute() {
28	<	try {
29	<	MyRunnable runnable =new MyRunnable();
30	<	ScheduledExecutor p1 = new ScheduledExecutor(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();
58	<	}
59	<	assertTrue(runnable.done);
60	<	p1.shutdown();
61	<	joinPool(p1);
62	<	}
63	<	catch(Exception e){
64	<	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		}
66	–
40		}
41
42
43		/**
44		* delayed schedule of callable successfully executes after delay
45		*/
46	<	public void testSchedule1() {
47	<	try {
48	<	MyCallable callable = new MyCallable();
49	<	ScheduledExecutor p1 = new ScheduledExecutor(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	<	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	<	MyRunnable runnable = new MyRunnable();
73	<	ScheduledExecutor p1 = new ScheduledExecutor(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	<	MyRunnable runnable = new MyRunnable();
96	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
97	<	ScheduledCancellable 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	<	MyRunnable runnable = new MyRunnable();
121	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
122	<	ScheduledCancellable h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
123	<	assertFalse(runnable.done);
124	<	Thread.sleep(MEDIUM_DELAY_MS);
125	<	assertTrue(runnable.done);
126	<	h.cancel(true);
127	<	p1.shutdown();
128	<	joinPool(p1);
129	<	} catch(Exception e){
130	<	unexpectedException();
118	>	public void testSchedule5() throws InterruptedException {
119	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
120	>	final long t0 = System.nanoTime();
121	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
122	>	final CountDownLatch done = new CountDownLatch(1);
123	>	try {
124	>	Runnable task = new CheckedRunnable() {
125	>	public void realRun() {
126	>	done.countDown();
127	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
128	>	}};
129	>	ScheduledFuture f =
130	>	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
131	>	SHORT_DELAY_MS, MILLISECONDS);
132	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
133	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
134	>	f.cancel(true);
135	>	} finally {
136	>	joinPool(p);
137		}
138		}
139	<
139	>
140	>	static class RunnableCounter implements Runnable {
141	>	AtomicInteger count = new AtomicInteger(0);
142	>	public void run() { count.getAndIncrement(); }
143	>	}
144	>
145	>	/**
146	>	* scheduleAtFixedRate executes series of tasks at given rate
147	>	*/
148	>	public void testFixedRateSequence() throws InterruptedException {
149	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
150	>	RunnableCounter counter = new RunnableCounter();
151	>	ScheduledFuture h =
152	>	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
153	>	Thread.sleep(SMALL_DELAY_MS);
154	>	h.cancel(true);
155	>	int c = counter.count.get();
156	>	// By time scaling conventions, we must have at least
157	>	// an execution per SHORT delay, but no more than one SHORT more
158	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
159	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
160	>	joinPool(p);
161	>	}
162	>
163	>	/**
164	>	* scheduleWithFixedDelay executes series of tasks with given period
165	>	*/
166	>	public void testFixedDelaySequence() throws InterruptedException {
167	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
168	>	RunnableCounter counter = new RunnableCounter();
169	>	ScheduledFuture h =
170	>	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
171	>	Thread.sleep(SMALL_DELAY_MS);
172	>	h.cancel(true);
173	>	int c = counter.count.get();
174	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
175	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
176	>	joinPool(p);
177	>	}
178	>
179	>
180		/**
181	<	*  execute (null) throws NPE
181	>	* execute(null) throws NPE
182		*/
183	<	public void testExecuteNull() {
184	<	ScheduledExecutor se = null;
183	>	public void testExecuteNull() throws InterruptedException {
184	>	ScheduledThreadPoolExecutor se = null;
185		try {
186	<	se = new ScheduledExecutor(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();
159	<	}
160	<
161	<	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() {
198	<	ScheduledExecutor se = new ScheduledExecutor(1);
199	<	try {
200	<	MyCallable callable = null;
201	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
197	>	public void testScheduleNull() throws InterruptedException {
198	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
199	>	try {
200	>	TrackedCallable callable = null;
201	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
202		shouldThrow();
203	<	} catch(NullPointerException success){}
204	<	catch(Exception e){
175	<	unexpectedException();
176	<	}
177	<	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() {
211	<	ScheduledExecutor se = new ScheduledExecutor(1);
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		}
192	–	joinPool(se);
220
221	+	joinPool(se);
222		}
223
224		/**
225		* schedule throws RejectedExecutionException if shutdown
226		*/
227	<	public void testSchedule2_RejectedExecutionException() {
228	<	ScheduledExecutor se = new ScheduledExecutor(1);
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 211 | Line 240 | public class ScheduledExecutorTest exten
240		/**
241		* schedule callable throws RejectedExecutionException if shutdown
242		*/
243	<	public void testSchedule3_RejectedExecutionException() {
244	<	ScheduledExecutor se = new ScheduledExecutor(1);
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() {
260	<	ScheduledExecutor se = new ScheduledExecutor(1);
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() {
276	<	ScheduledExecutor se = new ScheduledExecutor(1);
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() 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	>	}
310	>	}
311	>
312	>	/**
313	>	* getCompletedTaskCount increases, but doesn't overestimate,
314	>	* when tasks complete
315		*/
316	<	public void testGetActiveCount() {
317	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
318	<	assertEquals(0, p2.getActiveCount());
319	<	p2.execute(new SmallRunnable());
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	<	} catch(Exception e){
336	<	unexpectedException();
335	>	assertEquals(1, p.getCompletedTaskCount());
336	>	} finally {
337	>	joinPool(p);
338		}
269	–	assertEquals(1, p2.getActiveCount());
270	–	joinPool(p2);
339		}
340	<
340	>
341	>	/**
342	>	* getCorePoolSize returns size given in constructor if not otherwise set
343	>	*/
344	>	public void testGetCorePoolSize() throws InterruptedException {
345	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
346	>	assertEquals(1, p.getCorePoolSize());
347	>	joinPool(p);
348	>	}
349	>
350		/**
351	<	*    getCompletedTaskCount increases, but doesn't overestimate,
352	<	*   when tasks complete
351	>	* getLargestPoolSize increases, but doesn't overestimate, when
352	>	* multiple threads active
353		*/
354	<	public void testGetCompletedTaskCount() {
355	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
356	<	assertEquals(0, p2.getCompletedTaskCount());
357	<	p2.execute(new SmallRunnable());
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	<	Thread.sleep(MEDIUM_DELAY_MS);
361	<	} catch(Exception e){
362	<	unexpectedException();
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		}
286	–	assertEquals(1, p2.getCompletedTaskCount());
287	–	joinPool(p2);
375		}
376	<
376	>
377		/**
378	<	*  getCorePoolSize returns size given in constructor if not otherwise set
378	>	* getPoolSize increases, but doesn't overestimate, when threads
379	>	* become active
380		*/
381	<	public void testGetCorePoolSize() {
382	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
383	<	assertEquals(1, p1.getCorePoolSize());
384	<	joinPool(p1);
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	>	assertEquals(0, p.getPoolSize());
387	>	p.execute(new CheckedRunnable() {
388	>	public void realRun() throws InterruptedException {
389	>	threadStarted.countDown();
390	>	assertEquals(1, p.getPoolSize());
391	>	done.await();
392	>	}});
393	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
394	>	assertEquals(1, p.getPoolSize());
395	>	} finally {
396	>	done.countDown();
397	>	joinPool(p);
398	>	}
399		}
400	<
400	>
401		/**
402	<	*    getLargestPoolSize increases, but doesn't overestimate, when
403	<	*   multiple threads active
402	>	* getTaskCount increases, but doesn't overestimate, when tasks
403	>	* submitted
404		*/
405	<	public void testGetLargestPoolSize() {
406	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
407	<	assertEquals(0, p2.getLargestPoolSize());
408	<	p2.execute(new SmallRunnable());
409	<	p2.execute(new SmallRunnable());
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	<	Thread.sleep(SHORT_DELAY_MS);
412	<	} catch(Exception e){
413	<	unexpectedException();
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		}
313	–	assertEquals(2, p2.getLargestPoolSize());
314	–	joinPool(p2);
424		}
425	<
425	>
426	>	/**
427	>	* getThreadFactory returns factory in constructor if not set
428	>	*/
429	>	public void testGetThreadFactory() throws InterruptedException {
430	>	ThreadFactory tf = new SimpleThreadFactory();
431	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
432	>	assertSame(tf, p.getThreadFactory());
433	>	joinPool(p);
434	>	}
435	>
436	>	/**
437	>	* setThreadFactory sets the thread factory returned by getThreadFactory
438	>	*/
439	>	public void testSetThreadFactory() throws InterruptedException {
440	>	ThreadFactory tf = new SimpleThreadFactory();
441	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
442	>	p.setThreadFactory(tf);
443	>	assertSame(tf, p.getThreadFactory());
444	>	joinPool(p);
445	>	}
446	>
447		/**
448	<	*   getPoolSize increases, but doesn't overestimate, when threads
449	<	*   become active
450	<	*/
451	<	public void testGetPoolSize() {
322	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
323	<	assertEquals(0, p1.getPoolSize());
324	<	p1.execute(new SmallRunnable());
325	<	assertEquals(1, p1.getPoolSize());
326	<	joinPool(p1);
327	<	}
328	<
329	<	/**
330	<	*    getTaskCount increases, but doesn't overestimate, when tasks
331	<	*    submitted
332	<	*/
333	<	public void testGetTaskCount() {
334	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
335	<	assertEquals(0, p1.getTaskCount());
336	<	for(int i = 0; i < 5; i++)
337	<	p1.execute(new SmallRunnable());
448	>	* setThreadFactory(null) throws NPE
449	>	*/
450	>	public void testSetThreadFactoryNull() throws InterruptedException {
451	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
452		try {
453	<	Thread.sleep(SHORT_DELAY_MS);
454	<	} catch(Exception e){
455	<	unexpectedException();
453	>	p.setThreadFactory(null);
454	>	shouldThrow();
455	>	} catch (NullPointerException success) {
456	>	} finally {
457	>	joinPool(p);
458		}
343	–	assertEquals(5, p1.getTaskCount());
344	–	joinPool(p1);
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	<	ScheduledExecutor p1 = new ScheduledExecutor(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	<	ScheduledExecutor p1 = new ScheduledExecutor(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	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
498	+	assertTrue(p.isTerminated());
499	+	}
500	+
501	+	/**
502	+	* isTerminating is not true when running or when terminated
503	+	*/
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	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
510	<	assertTrue(p1.isTerminated());
511	<	} catch(Exception e){
512	<	unexpectedException();
513	<	}
509	>	assertFalse(p.isTerminating());
510	>	p.execute(new CheckedRunnable() {
511	>	public void realRun() throws InterruptedException {
512	>	assertFalse(p.isTerminating());
513	>	threadStarted.countDown();
514	>	done.await();
515	>	}});
516	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
517	>	assertFalse(p.isTerminating());
518	>	done.countDown();
519	>	} finally {
520	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
521	>	}
522	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
523	>	assertTrue(p.isTerminated());
524	>	assertFalse(p.isTerminating());
525		}
526
527		/**
528	<	*  isTerminating is not true when running or when terminated
528	>	* getQueue returns the work queue, which contains queued tasks
529		*/
530	<	public void testIsTerminating() {
531	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
532	<	assertFalse(p1.isTerminating());
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	<	p1.execute(new SmallRunnable());
536	<	assertFalse(p1.isTerminating());
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]));
548		} finally {
549	<	p1.shutdown();
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() throws InterruptedException {
558	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
559	+	ScheduledFuture[] tasks = new ScheduledFuture[5];
560	+	final CountDownLatch threadStarted = new CountDownLatch(1);
561	+	final CountDownLatch done = new CountDownLatch(1);
562		try {
563	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
564	<	assertTrue(p1.isTerminated());
565	<	assertFalse(p1.isTerminating());
566	<	} catch(Exception e){
567	<	unexpectedException();
568	<	}
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(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(p.remove((Runnable)tasks[3]));
581	>	assertFalse(q.contains((Runnable)tasks[3]));
582	>	} finally {
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	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
593	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
594	<	for(int i = 0; i < 5; i++){
595	<	tasks[i] = p1.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
591	>	public void testPurge() throws InterruptedException {
592	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
593	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
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		}
411	–	int max = 5;
412	–	if (tasks[4].cancel(true)) --max;
413	–	if (tasks[3].cancel(true)) --max;
414	–	p1.purge();
415	–	long count = p1.getTaskCount();
416	–	assertTrue(count > 0 && count <= max);
417	–	joinPool(p1);
617		}
618
619		/**
620	<	*  shutDownNow returns a list containing tasks that were not run
620	>	* shutDownNow returns a list containing tasks that were not run
621		*/
622	<	public void testShutDownNow() {
623	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
624	<	for(int i = 0; i < 5; i++)
625	<	p1.schedule(new SmallRunnable(), 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);
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	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
644	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
645	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
646	<
647	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
648	<	for(int i = 0; i < 5; i++)
649	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
650	<	p1.shutdown();
651	<	BlockingQueue q = p1.getQueue();
652	<	for (Iterator it = q.iterator(); it.hasNext();) {
653	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
654	<	assertFalse(t.isCancelled());
655	<	}
452	<	assertTrue(p1.isShutdown());
453	<	Thread.sleep(SMALL_DELAY_MS);
454	<	for (int i = 0; i < 5; ++i) {
455	<	assertTrue(tasks[i].isDone());
456	<	assertFalse(tasks[i].isCancelled());
457	<	}
458	<
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 < 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 467 | 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	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
674	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
675	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
676	<	for(int i = 0; i < 5; i++)
677	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
678	<	p1.shutdown();
679	<	assertTrue(p1.isShutdown());
680	<	BlockingQueue q = p1.getQueue();
681	<	assertTrue(q.isEmpty());
682	<	Thread.sleep(SMALL_DELAY_MS);
683	<	assertTrue(p1.isTerminated());
684	<	}
685	<	catch(Exception ex) {
686	<	unexpectedException();
671	>	public void testShutDown2() throws InterruptedException {
672	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
673	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
674	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
675	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
676	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
677	>	for (int i = 0; i < tasks.length; i++)
678	>	tasks[i] = p.schedule(new NoOpRunnable(),
679	>	SHORT_DELAY_MS, MILLISECONDS);
680	>	BlockingQueue q = p.getQueue();
681	>	assertEquals(tasks.length, q.size());
682	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
683	>	assertTrue(p.isShutdown());
684	>	assertTrue(q.isEmpty());
685	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
686	>	assertTrue(p.isTerminated());
687	>	for (ScheduledFuture task : tasks) {
688	>	assertTrue(task.isDone());
689	>	assertTrue(task.isCancelled());
690		}
691		}
692
489	–
693		/**
694		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
695	<	* periodic tasks are not cancelled at shutdown
695	>	* periodic tasks are cancelled at shutdown
696		*/
697	<	public void testShutDown3() {
698	<	try {
699	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
700	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
701	<	ScheduledCancellable task =
702	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
703	<	p1.shutdown();
704	<	assertTrue(p1.isShutdown());
705	<	BlockingQueue q = p1.getQueue();
706	<	assertTrue(q.isEmpty());
707	<	Thread.sleep(SHORT_DELAY_MS);
708	<	assertTrue(p1.isTerminated());
709	<	}
710	<	catch(Exception ex) {
711	<	unexpectedException();
712	<	}
697	>	public void testShutDown3() throws InterruptedException {
698	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
699	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
700	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
701	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
702	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
703	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
704	>	ScheduledFuture task =
705	>	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
706	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
707	>	assertTrue(p.isShutdown());
708	>	BlockingQueue q = p.getQueue();
709	>	assertTrue(p.getQueue().isEmpty());
710	>	assertTrue(task.isDone());
711	>	assertTrue(task.isCancelled());
712	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
713	>	assertTrue(p.isTerminated());
714		}
715
716		/**
717		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
718	<	* periodic tasks are cancelled at shutdown
718	>	* periodic tasks are not cancelled at shutdown
719		*/
720	<	public void testShutDown4() {
721	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
720	>	public void testShutDown4() throws InterruptedException {
721	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
722	>	final CountDownLatch counter = new CountDownLatch(2);
723		try {
724	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
725	<	ScheduledCancellable task =
726	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
724	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
725	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
726	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
727	>	final Runnable r = new CheckedRunnable() {
728	>	public void realRun() {
729	>	counter.countDown();
730	>	}};
731	>	ScheduledFuture task =
732	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
733	>	assertFalse(task.isDone());
734		assertFalse(task.isCancelled());
735	<	p1.shutdown();
735	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
736		assertFalse(task.isCancelled());
737	<	assertFalse(p1.isTerminated());
738	<	assertTrue(p1.isShutdown());
739	<	Thread.sleep(SHORT_DELAY_MS);
737	>	assertFalse(p.isTerminated());
738	>	assertTrue(p.isShutdown());
739	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
740		assertFalse(task.isCancelled());
741	<	task.cancel(true);
741	>	assertTrue(task.cancel(false));
742	>	assertTrue(task.isDone());
743		assertTrue(task.isCancelled());
744	<	Thread.sleep(SHORT_DELAY_MS);
745	<	assertTrue(p1.isTerminated());
533	<	}
534	<	catch(Exception ex) {
535	<	unexpectedException();
744	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
745	>	assertTrue(p.isTerminated());
746		}
747		finally {
748	<	p1.shutdownNow();
748	>	joinPool(p);
749	>	}
750	>	}
751	>
752	>	/**
753	>	* completed submit of callable returns result
754	>	*/
755	>	public void testSubmitCallable() throws Exception {
756	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
757	>	try {
758	>	Future<String> future = e.submit(new StringTask());
759	>	String result = future.get();
760	>	assertSame(TEST_STRING, result);
761	>	} finally {
762	>	joinPool(e);
763	>	}
764	>	}
765	>
766	>	/**
767	>	* completed submit of runnable returns successfully
768	>	*/
769	>	public void testSubmitRunnable() throws Exception {
770	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
771	>	try {
772	>	Future<?> future = e.submit(new NoOpRunnable());
773	>	future.get();
774	>	assertTrue(future.isDone());
775	>	} finally {
776	>	joinPool(e);
777	>	}
778	>	}
779	>
780	>	/**
781	>	* completed submit of (runnable, result) returns result
782	>	*/
783	>	public void testSubmitRunnable2() throws Exception {
784	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
785	>	try {
786	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
787	>	String result = future.get();
788	>	assertSame(TEST_STRING, result);
789	>	} finally {
790	>	joinPool(e);
791	>	}
792	>	}
793	>
794	>	/**
795	>	* invokeAny(null) throws NPE
796	>	*/
797	>	public void testInvokeAny1() throws Exception {
798	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
799	>	try {
800	>	e.invokeAny(null);
801	>	shouldThrow();
802	>	} catch (NullPointerException success) {
803	>	} finally {
804	>	joinPool(e);
805		}
806		}
807
808	+	/**
809	+	* invokeAny(empty collection) throws IAE
810	+	*/
811	+	public void testInvokeAny2() throws Exception {
812	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
813	+	try {
814	+	e.invokeAny(new ArrayList<Callable<String>>());
815	+	shouldThrow();
816	+	} catch (IllegalArgumentException success) {
817	+	} finally {
818	+	joinPool(e);
819	+	}
820	+	}
821	+
822	+	/**
823	+	* invokeAny(c) throws NPE if c has null elements
824	+	*/
825	+	public void testInvokeAny3() throws Exception {
826	+	CountDownLatch latch = new CountDownLatch(1);
827	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
828	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
829	+	l.add(latchAwaitingStringTask(latch));
830	+	l.add(null);
831	+	try {
832	+	e.invokeAny(l);
833	+	shouldThrow();
834	+	} catch (NullPointerException success) {
835	+	} finally {
836	+	latch.countDown();
837	+	joinPool(e);
838	+	}
839	+	}
840	+
841	+	/**
842	+	* invokeAny(c) throws ExecutionException if no task completes
843	+	*/
844	+	public void testInvokeAny4() throws Exception {
845	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
846	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
847	+	l.add(new NPETask());
848	+	try {
849	+	e.invokeAny(l);
850	+	shouldThrow();
851	+	} catch (ExecutionException success) {
852	+	assertTrue(success.getCause() instanceof NullPointerException);
853	+	} finally {
854	+	joinPool(e);
855	+	}
856	+	}
857	+
858	+	/**
859	+	* invokeAny(c) returns result of some task
860	+	*/
861	+	public void testInvokeAny5() throws Exception {
862	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
863	+	try {
864	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
865	+	l.add(new StringTask());
866	+	l.add(new StringTask());
867	+	String result = e.invokeAny(l);
868	+	assertSame(TEST_STRING, result);
869	+	} finally {
870	+	joinPool(e);
871	+	}
872	+	}
873	+
874	+	/**
875	+	* invokeAll(null) throws NPE
876	+	*/
877	+	public void testInvokeAll1() throws Exception {
878	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
879	+	try {
880	+	e.invokeAll(null);
881	+	shouldThrow();
882	+	} catch (NullPointerException success) {
883	+	} finally {
884	+	joinPool(e);
885	+	}
886	+	}
887	+
888	+	/**
889	+	* invokeAll(empty collection) returns empty collection
890	+	*/
891	+	public void testInvokeAll2() throws Exception {
892	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
893	+	try {
894	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
895	+	assertTrue(r.isEmpty());
896	+	} finally {
897	+	joinPool(e);
898	+	}
899	+	}
900	+
901	+	/**
902	+	* invokeAll(c) throws NPE if c has null elements
903	+	*/
904	+	public void testInvokeAll3() throws Exception {
905	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
906	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
907	+	l.add(new StringTask());
908	+	l.add(null);
909	+	try {
910	+	e.invokeAll(l);
911	+	shouldThrow();
912	+	} catch (NullPointerException success) {
913	+	} finally {
914	+	joinPool(e);
915	+	}
916	+	}
917	+
918	+	/**
919	+	* get of invokeAll(c) throws exception on failed task
920	+	*/
921	+	public void testInvokeAll4() throws Exception {
922	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
923	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
924	+	l.add(new NPETask());
925	+	List<Future<String>> futures = e.invokeAll(l);
926	+	assertEquals(1, futures.size());
927	+	try {
928	+	futures.get(0).get();
929	+	shouldThrow();
930	+	} catch (ExecutionException success) {
931	+	assertTrue(success.getCause() instanceof NullPointerException);
932	+	} finally {
933	+	joinPool(e);
934	+	}
935	+	}
936	+
937	+	/**
938	+	* invokeAll(c) returns results of all completed tasks
939	+	*/
940	+	public void testInvokeAll5() throws Exception {
941	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
942	+	try {
943	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
944	+	l.add(new StringTask());
945	+	l.add(new StringTask());
946	+	List<Future<String>> futures = e.invokeAll(l);
947	+	assertEquals(2, futures.size());
948	+	for (Future<String> future : futures)
949	+	assertSame(TEST_STRING, future.get());
950	+	} finally {
951	+	joinPool(e);
952	+	}
953	+	}
954	+
955	+	/**
956	+	* timed invokeAny(null) throws NPE
957	+	*/
958	+	public void testTimedInvokeAny1() throws Exception {
959	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
960	+	try {
961	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
962	+	shouldThrow();
963	+	} catch (NullPointerException success) {
964	+	} finally {
965	+	joinPool(e);
966	+	}
967	+	}
968	+
969	+	/**
970	+	* timed invokeAny(,,null) throws NPE
971	+	*/
972	+	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
973	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
974	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
975	+	l.add(new StringTask());
976	+	try {
977	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
978	+	shouldThrow();
979	+	} catch (NullPointerException success) {
980	+	} finally {
981	+	joinPool(e);
982	+	}
983	+	}
984	+
985	+	/**
986	+	* timed invokeAny(empty collection) throws IAE
987	+	*/
988	+	public void testTimedInvokeAny2() throws Exception {
989	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
990	+	try {
991	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
992	+	shouldThrow();
993	+	} catch (IllegalArgumentException success) {
994	+	} finally {
995	+	joinPool(e);
996	+	}
997	+	}
998	+
999	+	/**
1000	+	* timed invokeAny(c) throws NPE if c has null elements
1001	+	*/
1002	+	public void testTimedInvokeAny3() throws Exception {
1003	+	CountDownLatch latch = new CountDownLatch(1);
1004	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1005	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1006	+	l.add(latchAwaitingStringTask(latch));
1007	+	l.add(null);
1008	+	try {
1009	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1010	+	shouldThrow();
1011	+	} catch (NullPointerException success) {
1012	+	} finally {
1013	+	latch.countDown();
1014	+	joinPool(e);
1015	+	}
1016	+	}
1017	+
1018	+	/**
1019	+	* timed invokeAny(c) throws ExecutionException if no task completes
1020	+	*/
1021	+	public void testTimedInvokeAny4() throws Exception {
1022	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1023	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1024	+	l.add(new NPETask());
1025	+	try {
1026	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1027	+	shouldThrow();
1028	+	} catch (ExecutionException success) {
1029	+	assertTrue(success.getCause() instanceof NullPointerException);
1030	+	} finally {
1031	+	joinPool(e);
1032	+	}
1033	+	}
1034	+
1035	+	/**
1036	+	* timed invokeAny(c) returns result of some task
1037	+	*/
1038	+	public void testTimedInvokeAny5() throws Exception {
1039	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1040	+	try {
1041	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1042	+	l.add(new StringTask());
1043	+	l.add(new StringTask());
1044	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1045	+	assertSame(TEST_STRING, result);
1046	+	} finally {
1047	+	joinPool(e);
1048	+	}
1049	+	}
1050	+
1051	+	/**
1052	+	* timed invokeAll(null) throws NPE
1053	+	*/
1054	+	public void testTimedInvokeAll1() throws Exception {
1055	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	+	try {
1057	+	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1058	+	shouldThrow();
1059	+	} catch (NullPointerException success) {
1060	+	} finally {
1061	+	joinPool(e);
1062	+	}
1063	+	}
1064	+
1065	+	/**
1066	+	* timed invokeAll(,,null) throws NPE
1067	+	*/
1068	+	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1069	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1070	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1071	+	l.add(new StringTask());
1072	+	try {
1073	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1074	+	shouldThrow();
1075	+	} catch (NullPointerException success) {
1076	+	} finally {
1077	+	joinPool(e);
1078	+	}
1079	+	}
1080	+
1081	+	/**
1082	+	* timed invokeAll(empty collection) returns empty collection
1083	+	*/
1084	+	public void testTimedInvokeAll2() throws Exception {
1085	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1086	+	try {
1087	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1088	+	assertTrue(r.isEmpty());
1089	+	} finally {
1090	+	joinPool(e);
1091	+	}
1092	+	}
1093	+
1094	+	/**
1095	+	* timed invokeAll(c) throws NPE if c has null elements
1096	+	*/
1097	+	public void testTimedInvokeAll3() throws Exception {
1098	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1099	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1100	+	l.add(new StringTask());
1101	+	l.add(null);
1102	+	try {
1103	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1104	+	shouldThrow();
1105	+	} catch (NullPointerException success) {
1106	+	} finally {
1107	+	joinPool(e);
1108	+	}
1109	+	}
1110	+
1111	+	/**
1112	+	* get of element of invokeAll(c) throws exception on failed task
1113	+	*/
1114	+	public void testTimedInvokeAll4() throws Exception {
1115	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1116	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1117	+	l.add(new NPETask());
1118	+	List<Future<String>> futures =
1119	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1120	+	assertEquals(1, futures.size());
1121	+	try {
1122	+	futures.get(0).get();
1123	+	shouldThrow();
1124	+	} catch (ExecutionException success) {
1125	+	assertTrue(success.getCause() instanceof NullPointerException);
1126	+	} finally {
1127	+	joinPool(e);
1128	+	}
1129	+	}
1130	+
1131	+	/**
1132	+	* timed invokeAll(c) returns results of all completed tasks
1133	+	*/
1134	+	public void testTimedInvokeAll5() throws Exception {
1135	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1136	+	try {
1137	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1138	+	l.add(new StringTask());
1139	+	l.add(new StringTask());
1140	+	List<Future<String>> futures =
1141	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1142	+	assertEquals(2, futures.size());
1143	+	for (Future<String> future : futures)
1144	+	assertSame(TEST_STRING, future.get());
1145	+	} finally {
1146	+	joinPool(e);
1147	+	}
1148	+	}
1149	+
1150	+	/**
1151	+	* timed invokeAll(c) cancels tasks not completed by timeout
1152	+	*/
1153	+	public void testTimedInvokeAll6() throws Exception {
1154	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1155	+	try {
1156	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1157	+	l.add(new StringTask());
1158	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1159	+	l.add(new StringTask());
1160	+	List<Future<String>> futures =
1161	+	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1162	+	assertEquals(3, futures.size());
1163	+	Iterator<Future<String>> it = futures.iterator();
1164	+	Future<String> f1 = it.next();
1165	+	Future<String> f2 = it.next();
1166	+	Future<String> f3 = it.next();
1167	+	assertTrue(f1.isDone());
1168	+	assertTrue(f2.isDone());
1169	+	assertTrue(f3.isDone());
1170	+	assertFalse(f1.isCancelled());
1171	+	assertTrue(f2.isCancelled());
1172	+	} finally {
1173	+	joinPool(e);
1174	+	}
1175	+	}
1176	+
1177	+
1178		}

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