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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 1.46 by jsr166, Tue May 31 16:16:24 2011 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	+	import java.util.concurrent.atomic.AtomicInteger;
14
15		public class ScheduledExecutorTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(ScheduledExecutorTest.class);
18	<	}
19	<
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	<	}
20	>	return new TestSuite(ScheduledExecutorTest.class);
21		}
22
23		/**
24		* execute successfully executes a runnable
25		*/
26	<	public void testExecute() {
27	<	try {
28	<	MyRunnable runnable =new MyRunnable();
29	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
30	<	p1.execute(runnable);
31	<	assertFalse(runnable.done);
32	<	Thread.sleep(SHORT_DELAY_MS);
33	<	p1.shutdown();
34	<	try {
35	<	Thread.sleep(MEDIUM_DELAY_MS);
36	<	} catch(InterruptedException e){
37	<	unexpectedException();
58	<	}
59	<	assertTrue(runnable.done);
60	<	p1.shutdown();
61	<	joinPool(p1);
62	<	}
63	<	catch(Exception e){
64	<	unexpectedException();
26	>	public void testExecute() throws InterruptedException {
27	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
28	>	final CountDownLatch done = new CountDownLatch(1);
29	>	final Runnable task = new CheckedRunnable() {
30	>	public void realRun() {
31	>	done.countDown();
32	>	}};
33	>	try {
34	>	p.execute(task);
35	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
36	>	} finally {
37	>	joinPool(p);
38		}
66	–
39		}
40
69	–
41		/**
42		* delayed schedule of callable successfully executes after delay
43		*/
44	<	public void testSchedule1() {
45	<	try {
46	<	MyCallable callable = new MyCallable();
47	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
48	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
49	<	assertFalse(callable.done);
50	<	Thread.sleep(MEDIUM_DELAY_MS);
51	<	assertTrue(callable.done);
52	<	assertEquals(Boolean.TRUE, f.get());
53	<	p1.shutdown();
54	<	joinPool(p1);
55	<	} catch(RejectedExecutionException e){}
56	<	catch(Exception e){
57	<	unexpectedException();
44	>	public void testSchedule1() throws Exception {
45	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
46	>	final long startTime = System.nanoTime();
47	>	final CountDownLatch done = new CountDownLatch(1);
48	>	try {
49	>	Callable task = new CheckedCallable<Boolean>() {
50	>	public Boolean realCall() {
51	>	done.countDown();
52	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
53	>	return Boolean.TRUE;
54	>	}};
55	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
56	>	assertSame(Boolean.TRUE, f.get());
57	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
58	>	assertTrue(done.await(0L, MILLISECONDS));
59	>	} finally {
60	>	joinPool(p);
61		}
62		}
63
64		/**
65	<	*  delayed schedule of runnable successfully executes after delay
66	<	*/
67	<	public void testSchedule3() {
68	<	try {
69	<	MyRunnable runnable = new MyRunnable();
70	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
71	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
72	<	Thread.sleep(SHORT_DELAY_MS);
73	<	assertFalse(runnable.done);
74	<	Thread.sleep(MEDIUM_DELAY_MS);
75	<	assertTrue(runnable.done);
76	<	p1.shutdown();
77	<	joinPool(p1);
78	<	} catch(Exception e){
79	<	unexpectedException();
65	>	* delayed schedule of runnable successfully executes after delay
66	>	*/
67	>	public void testSchedule3() throws Exception {
68	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
69	>	final long startTime = System.nanoTime();
70	>	final CountDownLatch done = new CountDownLatch(1);
71	>	try {
72	>	Runnable task = new CheckedRunnable() {
73	>	public void realRun() {
74	>	done.countDown();
75	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
76	>	}};
77	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
78	>	await(done);
79	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
80	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
81	>	} finally {
82	>	joinPool(p);
83		}
84		}
85	<
85	>
86		/**
87		* scheduleAtFixedRate executes runnable after given initial delay
88		*/
89	<	public void testSchedule4() {
90	<	try {
91	<	MyRunnable runnable = new MyRunnable();
92	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
93	<	ScheduledCancellable h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
94	<	assertFalse(runnable.done);
95	<	Thread.sleep(MEDIUM_DELAY_MS);
96	<	assertTrue(runnable.done);
97	<	h.cancel(true);
98	<	p1.shutdown();
99	<	joinPool(p1);
100	<	} catch(Exception e){
101	<	unexpectedException();
89	>	public void testSchedule4() throws Exception {
90	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
91	>	final long startTime = System.nanoTime();
92	>	final CountDownLatch done = new CountDownLatch(1);
93	>	try {
94	>	Runnable task = new CheckedRunnable() {
95	>	public void realRun() {
96	>	done.countDown();
97	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
98	>	}};
99	>	ScheduledFuture f =
100	>	p.scheduleAtFixedRate(task, timeoutMillis(),
101	>	LONG_DELAY_MS, MILLISECONDS);
102	>	await(done);
103	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
104	>	f.cancel(true);
105	>	} finally {
106	>	joinPool(p);
107		}
108		}
109
110		/**
111		* scheduleWithFixedDelay executes runnable after given initial delay
112		*/
113	<	public void testSchedule5() {
114	<	try {
115	<	MyRunnable runnable = new MyRunnable();
116	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
117	<	ScheduledCancellable h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
118	<	assertFalse(runnable.done);
119	<	Thread.sleep(MEDIUM_DELAY_MS);
120	<	assertTrue(runnable.done);
121	<	h.cancel(true);
122	<	p1.shutdown();
123	<	joinPool(p1);
124	<	} catch(Exception e){
125	<	unexpectedException();
113	>	public void testSchedule5() throws Exception {
114	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
115	>	final long startTime = System.nanoTime();
116	>	final CountDownLatch done = new CountDownLatch(1);
117	>	try {
118	>	Runnable task = new CheckedRunnable() {
119	>	public void realRun() {
120	>	done.countDown();
121	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
122	>	}};
123	>	ScheduledFuture f =
124	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
125	>	LONG_DELAY_MS, MILLISECONDS);
126	>	await(done);
127	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
128	>	f.cancel(true);
129	>	} finally {
130	>	joinPool(p);
131		}
132		}
133	<
133	>
134	>	static class RunnableCounter implements Runnable {
135	>	AtomicInteger count = new AtomicInteger(0);
136	>	public void run() { count.getAndIncrement(); }
137	>	}
138	>
139	>	/**
140	>	* scheduleAtFixedRate executes series of tasks at given rate
141	>	*/
142	>	public void testFixedRateSequence() throws InterruptedException {
143	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
144	>	RunnableCounter counter = new RunnableCounter();
145	>	ScheduledFuture h =
146	>	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
147	>	delay(SMALL_DELAY_MS);
148	>	h.cancel(true);
149	>	int c = counter.count.get();
150	>	// By time scaling conventions, we must have at least
151	>	// an execution per SHORT delay, but no more than one SHORT more
152	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
153	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
154	>	joinPool(p);
155	>	}
156	>
157	>	/**
158	>	* scheduleWithFixedDelay executes series of tasks with given period
159	>	*/
160	>	public void testFixedDelaySequence() throws InterruptedException {
161	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
162	>	RunnableCounter counter = new RunnableCounter();
163	>	ScheduledFuture h =
164	>	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
165	>	delay(SMALL_DELAY_MS);
166	>	h.cancel(true);
167	>	int c = counter.count.get();
168	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
169	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
170	>	joinPool(p);
171	>	}
172	>
173		/**
174	<	*  execute (null) throws NPE
174	>	* execute(null) throws NPE
175		*/
176	<	public void testExecuteNull() {
177	<	ScheduledExecutor se = null;
176	>	public void testExecuteNull() throws InterruptedException {
177	>	ScheduledThreadPoolExecutor se = null;
178		try {
179	<	se = new ScheduledExecutor(1);
180	<	se.execute(null);
179	>	se = new ScheduledThreadPoolExecutor(1);
180	>	se.execute(null);
181		shouldThrow();
182	<	} catch(NullPointerException success){}
183	<	catch(Exception e){
184	<	unexpectedException();
159	<	}
160	<
161	<	joinPool(se);
182	>	} catch (NullPointerException success) {}
183	>
184	>	joinPool(se);
185		}
186
187		/**
188	<	* schedule (null) throws NPE
188	>	* schedule(null) throws NPE
189		*/
190	<	public void testScheduleNull() {
191	<	ScheduledExecutor se = new ScheduledExecutor(1);
192	<	try {
193	<	MyCallable callable = null;
194	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
190	>	public void testScheduleNull() throws InterruptedException {
191	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
192	>	try {
193	>	TrackedCallable callable = null;
194	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
195		shouldThrow();
196	<	} catch(NullPointerException success){}
197	<	catch(Exception e){
175	<	unexpectedException();
176	<	}
177	<	joinPool(se);
196	>	} catch (NullPointerException success) {}
197	>	joinPool(se);
198		}
199	<
199	>
200		/**
201		* execute throws RejectedExecutionException if shutdown
202		*/
203	<	public void testSchedule1_RejectedExecutionException() {
204	<	ScheduledExecutor se = new ScheduledExecutor(1);
203	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
204	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
205		try {
206		se.shutdown();
207		se.schedule(new NoOpRunnable(),
208	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
208	>	MEDIUM_DELAY_MS, MILLISECONDS);
209		shouldThrow();
210	<	} catch(RejectedExecutionException success){
210	>	} catch (RejectedExecutionException success) {
211	>	} catch (SecurityException ok) {
212		}
192	–	joinPool(se);
213
214	+	joinPool(se);
215		}
216
217		/**
218		* schedule throws RejectedExecutionException if shutdown
219		*/
220	<	public void testSchedule2_RejectedExecutionException() {
221	<	ScheduledExecutor se = new ScheduledExecutor(1);
220	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
221	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
222		try {
223		se.shutdown();
224		se.schedule(new NoOpCallable(),
225	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
225	>	MEDIUM_DELAY_MS, MILLISECONDS);
226		shouldThrow();
227	<	} catch(RejectedExecutionException success){
227	>	} catch (RejectedExecutionException success) {
228	>	} catch (SecurityException ok) {
229		}
230		joinPool(se);
231		}
#	Line 211 | Line 233 | public class ScheduledExecutorTest exten
233		/**
234		* schedule callable throws RejectedExecutionException if shutdown
235		*/
236	<	public void testSchedule3_RejectedExecutionException() {
237	<	ScheduledExecutor se = new ScheduledExecutor(1);
238	<	try {
236	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
237	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
238	>	try {
239		se.shutdown();
240		se.schedule(new NoOpCallable(),
241	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
241	>	MEDIUM_DELAY_MS, MILLISECONDS);
242		shouldThrow();
243	<	} catch(RejectedExecutionException success){
244	<	}
245	<	joinPool(se);
243	>	} catch (RejectedExecutionException success) {
244	>	} catch (SecurityException ok) {
245	>	}
246	>	joinPool(se);
247		}
248
249		/**
250	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
250	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
251		*/
252	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
253	<	ScheduledExecutor se = new ScheduledExecutor(1);
252	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
253	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
254		try {
255		se.shutdown();
256		se.scheduleAtFixedRate(new NoOpRunnable(),
257	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
257	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
258		shouldThrow();
259	<	} catch(RejectedExecutionException success){
260	<	}
259	>	} catch (RejectedExecutionException success) {
260	>	} catch (SecurityException ok) {
261	>	}
262		joinPool(se);
263		}
264	<
264	>
265		/**
266		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
267		*/
268	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
269	<	ScheduledExecutor se = new ScheduledExecutor(1);
268	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
269	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
270		try {
271		se.shutdown();
272		se.scheduleWithFixedDelay(new NoOpRunnable(),
273	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
273	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
274		shouldThrow();
275	<	} catch(RejectedExecutionException success){
276	<	}
275	>	} catch (RejectedExecutionException success) {
276	>	} catch (SecurityException ok) {
277	>	}
278		joinPool(se);
279		}
280
281		/**
282	<	*  getActiveCount increases but doesn't overestimate, when a
283	<	*  thread becomes active
282	>	* getActiveCount increases but doesn't overestimate, when a
283	>	* thread becomes active
284		*/
285	<	public void testGetActiveCount() {
286	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
287	<	assertEquals(0, p2.getActiveCount());
288	<	p2.execute(new SmallRunnable());
285	>	public void testGetActiveCount() throws InterruptedException {
286	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
287	>	final CountDownLatch threadStarted = new CountDownLatch(1);
288	>	final CountDownLatch done = new CountDownLatch(1);
289		try {
290	<	Thread.sleep(SHORT_DELAY_MS);
291	<	} catch(Exception e){
292	<	unexpectedException();
290	>	assertEquals(0, p.getActiveCount());
291	>	p.execute(new CheckedRunnable() {
292	>	public void realRun() throws InterruptedException {
293	>	threadStarted.countDown();
294	>	assertEquals(1, p.getActiveCount());
295	>	done.await();
296	>	}});
297	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
298	>	assertEquals(1, p.getActiveCount());
299	>	} finally {
300	>	done.countDown();
301	>	joinPool(p);
302		}
269	–	assertEquals(1, p2.getActiveCount());
270	–	joinPool(p2);
303		}
304	<
304	>
305		/**
306	<	*    getCompletedTaskCount increases, but doesn't overestimate,
307	<	*   when tasks complete
306	>	* getCompletedTaskCount increases, but doesn't overestimate,
307	>	* when tasks complete
308		*/
309	<	public void testGetCompletedTaskCount() {
310	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
311	<	assertEquals(0, p2.getCompletedTaskCount());
312	<	p2.execute(new SmallRunnable());
309	>	public void testGetCompletedTaskCount() throws InterruptedException {
310	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
311	>	final CountDownLatch threadStarted = new CountDownLatch(1);
312	>	final CountDownLatch threadProceed = new CountDownLatch(1);
313	>	final CountDownLatch threadDone = new CountDownLatch(1);
314		try {
315	<	Thread.sleep(MEDIUM_DELAY_MS);
316	<	} catch(Exception e){
317	<	unexpectedException();
315	>	assertEquals(0, p.getCompletedTaskCount());
316	>	p.execute(new CheckedRunnable() {
317	>	public void realRun() throws InterruptedException {
318	>	threadStarted.countDown();
319	>	assertEquals(0, p.getCompletedTaskCount());
320	>	threadProceed.await();
321	>	threadDone.countDown();
322	>	}});
323	>	await(threadStarted);
324	>	assertEquals(0, p.getCompletedTaskCount());
325	>	threadProceed.countDown();
326	>	threadDone.await();
327	>	long startTime = System.nanoTime();
328	>	while (p.getCompletedTaskCount() != 1) {
329	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
330	>	fail("timed out");
331	>	Thread.yield();
332	>	}
333	>	} finally {
334	>	joinPool(p);
335		}
286	–	assertEquals(1, p2.getCompletedTaskCount());
287	–	joinPool(p2);
336		}
337	<
337	>
338		/**
339	<	*  getCorePoolSize returns size given in constructor if not otherwise set
339	>	* getCorePoolSize returns size given in constructor if not otherwise set
340		*/
341	<	public void testGetCorePoolSize() {
342	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
343	<	assertEquals(1, p1.getCorePoolSize());
344	<	joinPool(p1);
341	>	public void testGetCorePoolSize() throws InterruptedException {
342	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
343	>	assertEquals(1, p.getCorePoolSize());
344	>	joinPool(p);
345		}
346	<
346	>
347		/**
348	<	*    getLargestPoolSize increases, but doesn't overestimate, when
349	<	*   multiple threads active
348	>	* getLargestPoolSize increases, but doesn't overestimate, when
349	>	* multiple threads active
350		*/
351	<	public void testGetLargestPoolSize() {
352	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
353	<	assertEquals(0, p2.getLargestPoolSize());
354	<	p2.execute(new SmallRunnable());
355	<	p2.execute(new SmallRunnable());
351	>	public void testGetLargestPoolSize() throws InterruptedException {
352	>	final int THREADS = 3;
353	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
354	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
355	>	final CountDownLatch done = new CountDownLatch(1);
356		try {
357	<	Thread.sleep(SHORT_DELAY_MS);
358	<	} catch(Exception e){
359	<	unexpectedException();
357	>	assertEquals(0, p.getLargestPoolSize());
358	>	for (int i = 0; i < THREADS; i++)
359	>	p.execute(new CheckedRunnable() {
360	>	public void realRun() throws InterruptedException {
361	>	threadsStarted.countDown();
362	>	done.await();
363	>	assertEquals(THREADS, p.getLargestPoolSize());
364	>	}});
365	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
366	>	assertEquals(THREADS, p.getLargestPoolSize());
367	>	} finally {
368	>	done.countDown();
369	>	joinPool(p);
370	>	assertEquals(THREADS, p.getLargestPoolSize());
371		}
313	–	assertEquals(2, p2.getLargestPoolSize());
314	–	joinPool(p2);
372		}
373	<
373	>
374		/**
375	<	*   getPoolSize increases, but doesn't overestimate, when threads
376	<	*   become active
375	>	* getPoolSize increases, but doesn't overestimate, when threads
376	>	* become active
377		*/
378	<	public void testGetPoolSize() {
379	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
380	<	assertEquals(0, p1.getPoolSize());
381	<	p1.execute(new SmallRunnable());
382	<	assertEquals(1, p1.getPoolSize());
383	<	joinPool(p1);
378	>	public void testGetPoolSize() throws InterruptedException {
379	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
380	>	final CountDownLatch threadStarted = new CountDownLatch(1);
381	>	final CountDownLatch done = new CountDownLatch(1);
382	>	try {
383	>	assertEquals(0, p.getPoolSize());
384	>	p.execute(new CheckedRunnable() {
385	>	public void realRun() throws InterruptedException {
386	>	threadStarted.countDown();
387	>	assertEquals(1, p.getPoolSize());
388	>	done.await();
389	>	}});
390	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
391	>	assertEquals(1, p.getPoolSize());
392	>	} finally {
393	>	done.countDown();
394	>	joinPool(p);
395	>	}
396		}
397	<
397	>
398		/**
399	<	*    getTaskCount increases, but doesn't overestimate, when tasks
400	<	*    submitted
399	>	* getTaskCount increases, but doesn't overestimate, when tasks
400	>	* submitted
401		*/
402	<	public void testGetTaskCount() {
403	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
404	<	assertEquals(0, p1.getTaskCount());
405	<	for(int i = 0; i < 5; i++)
406	<	p1.execute(new SmallRunnable());
402	>	public void testGetTaskCount() throws InterruptedException {
403	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
404	>	final CountDownLatch threadStarted = new CountDownLatch(1);
405	>	final CountDownLatch done = new CountDownLatch(1);
406	>	final int TASKS = 5;
407		try {
408	<	Thread.sleep(SHORT_DELAY_MS);
409	<	} catch(Exception e){
410	<	unexpectedException();
408	>	assertEquals(0, p.getTaskCount());
409	>	for (int i = 0; i < TASKS; i++)
410	>	p.execute(new CheckedRunnable() {
411	>	public void realRun() throws InterruptedException {
412	>	threadStarted.countDown();
413	>	done.await();
414	>	}});
415	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
416	>	assertEquals(TASKS, p.getTaskCount());
417	>	} finally {
418	>	done.countDown();
419	>	joinPool(p);
420		}
343	–	assertEquals(5, p1.getTaskCount());
344	–	joinPool(p1);
421		}
422	<
422	>
423	>	/**
424	>	* getThreadFactory returns factory in constructor if not set
425	>	*/
426	>	public void testGetThreadFactory() throws InterruptedException {
427	>	ThreadFactory tf = new SimpleThreadFactory();
428	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
429	>	assertSame(tf, p.getThreadFactory());
430	>	joinPool(p);
431	>	}
432	>
433	>	/**
434	>	* setThreadFactory sets the thread factory returned by getThreadFactory
435	>	*/
436	>	public void testSetThreadFactory() throws InterruptedException {
437	>	ThreadFactory tf = new SimpleThreadFactory();
438	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
439	>	p.setThreadFactory(tf);
440	>	assertSame(tf, p.getThreadFactory());
441	>	joinPool(p);
442	>	}
443	>
444	>	/**
445	>	* setThreadFactory(null) throws NPE
446	>	*/
447	>	public void testSetThreadFactoryNull() throws InterruptedException {
448	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
449	>	try {
450	>	p.setThreadFactory(null);
451	>	shouldThrow();
452	>	} catch (NullPointerException success) {
453	>	} finally {
454	>	joinPool(p);
455	>	}
456	>	}
457	>
458		/**
459	<	*   is isShutDown is false before shutdown, true after
459	>	* isShutdown is false before shutdown, true after
460		*/
461		public void testIsShutdown() {
462	<
463	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
462	>
463	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
464		try {
465	<	assertFalse(p1.isShutdown());
465	>	assertFalse(p.isShutdown());
466		}
467		finally {
468	<	p1.shutdown();
468	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
469		}
470	<	assertTrue(p1.isShutdown());
470	>	assertTrue(p.isShutdown());
471		}
472
362	–
473		/**
474	<	*   isTerminated is false before termination, true after
474	>	* isTerminated is false before termination, true after
475		*/
476	<	public void testIsTerminated() {
477	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
476	>	public void testIsTerminated() throws InterruptedException {
477	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
478	>	final CountDownLatch threadStarted = new CountDownLatch(1);
479	>	final CountDownLatch done = new CountDownLatch(1);
480	>	assertFalse(p.isTerminated());
481		try {
482	<	p1.execute(new SmallRunnable());
482	>	p.execute(new CheckedRunnable() {
483	>	public void realRun() throws InterruptedException {
484	>	assertFalse(p.isTerminated());
485	>	threadStarted.countDown();
486	>	done.await();
487	>	}});
488	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
489	>	assertFalse(p.isTerminating());
490	>	done.countDown();
491		} finally {
492	<	p1.shutdown();
492	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
493		}
494	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
495	+	assertTrue(p.isTerminated());
496	+	}
497	+
498	+	/**
499	+	* isTerminating is not true when running or when terminated
500	+	*/
501	+	public void testIsTerminating() throws InterruptedException {
502	+	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
503	+	final CountDownLatch threadStarted = new CountDownLatch(1);
504	+	final CountDownLatch done = new CountDownLatch(1);
505		try {
506	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
507	<	assertTrue(p1.isTerminated());
508	<	} catch(Exception e){
509	<	unexpectedException();
510	<	}
506	>	assertFalse(p.isTerminating());
507	>	p.execute(new CheckedRunnable() {
508	>	public void realRun() throws InterruptedException {
509	>	assertFalse(p.isTerminating());
510	>	threadStarted.countDown();
511	>	done.await();
512	>	}});
513	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
514	>	assertFalse(p.isTerminating());
515	>	done.countDown();
516	>	} finally {
517	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518	>	}
519	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
520	>	assertTrue(p.isTerminated());
521	>	assertFalse(p.isTerminating());
522		}
523
524		/**
525	<	*  isTerminating is not true when running or when terminated
525	>	* getQueue returns the work queue, which contains queued tasks
526		*/
527	<	public void testIsTerminating() {
528	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
529	<	assertFalse(p1.isTerminating());
527	>	public void testGetQueue() throws InterruptedException {
528	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
529	>	final CountDownLatch threadStarted = new CountDownLatch(1);
530	>	final CountDownLatch done = new CountDownLatch(1);
531		try {
532	<	p1.execute(new SmallRunnable());
533	<	assertFalse(p1.isTerminating());
532	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
533	>	for (int i = 0; i < tasks.length; i++) {
534	>	Runnable r = new CheckedRunnable() {
535	>	public void realRun() throws InterruptedException {
536	>	threadStarted.countDown();
537	>	done.await();
538	>	}};
539	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
540	>	}
541	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
542	>	BlockingQueue<Runnable> q = p.getQueue();
543	>	assertTrue(q.contains(tasks[tasks.length - 1]));
544	>	assertFalse(q.contains(tasks[0]));
545		} finally {
546	<	p1.shutdown();
546	>	done.countDown();
547	>	joinPool(p);
548		}
549	+	}
550	+
551	+	/**
552	+	* remove(task) removes queued task, and fails to remove active task
553	+	*/
554	+	public void testRemove() throws InterruptedException {
555	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
556	+	ScheduledFuture[] tasks = new ScheduledFuture[5];
557	+	final CountDownLatch threadStarted = new CountDownLatch(1);
558	+	final CountDownLatch done = new CountDownLatch(1);
559		try {
560	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
561	<	assertTrue(p1.isTerminated());
562	<	assertFalse(p1.isTerminating());
563	<	} catch(Exception e){
564	<	unexpectedException();
565	<	}
560	>	for (int i = 0; i < tasks.length; i++) {
561	>	Runnable r = new CheckedRunnable() {
562	>	public void realRun() throws InterruptedException {
563	>	threadStarted.countDown();
564	>	done.await();
565	>	}};
566	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
567	>	}
568	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
569	>	BlockingQueue<Runnable> q = p.getQueue();
570	>	assertFalse(p.remove((Runnable)tasks[0]));
571	>	assertTrue(q.contains((Runnable)tasks[4]));
572	>	assertTrue(q.contains((Runnable)tasks[3]));
573	>	assertTrue(p.remove((Runnable)tasks[4]));
574	>	assertFalse(p.remove((Runnable)tasks[4]));
575	>	assertFalse(q.contains((Runnable)tasks[4]));
576	>	assertTrue(q.contains((Runnable)tasks[3]));
577	>	assertTrue(p.remove((Runnable)tasks[3]));
578	>	assertFalse(q.contains((Runnable)tasks[3]));
579	>	} finally {
580	>	done.countDown();
581	>	joinPool(p);
582	>	}
583		}
584
585		/**
586	<	*   purge removes cancelled tasks from the queue
586	>	* purge eventually removes cancelled tasks from the queue
587		*/
588	<	public void testPurge() {
589	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
590	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
591	<	for(int i = 0; i < 5; i++){
592	<	tasks[i] = p1.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
588	>	public void testPurge() throws InterruptedException {
589	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
590	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
591	>	for (int i = 0; i < tasks.length; i++)
592	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
593	>	LONG_DELAY_MS, MILLISECONDS);
594	>	try {
595	>	int max = tasks.length;
596	>	if (tasks[4].cancel(true)) --max;
597	>	if (tasks[3].cancel(true)) --max;
598	>	// There must eventually be an interference-free point at
599	>	// which purge will not fail. (At worst, when queue is empty.)
600	>	long startTime = System.nanoTime();
601	>	do {
602	>	p.purge();
603	>	long count = p.getTaskCount();
604	>	if (count == max)
605	>	return;
606	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
607	>	fail("Purge failed to remove cancelled tasks");
608	>	} finally {
609	>	for (ScheduledFuture task : tasks)
610	>	task.cancel(true);
611	>	joinPool(p);
612		}
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);
613		}
614
615		/**
616	<	*  shutDownNow returns a list containing tasks that were not run
616	>	* shutdownNow returns a list containing tasks that were not run
617		*/
618	<	public void testShutDownNow() {
619	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
620	<	for(int i = 0; i < 5; i++)
621	<	p1.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
622	<	List l = p1.shutdownNow();
623	<	assertTrue(p1.isShutdown());
624	<	assertTrue(l.size() > 0 && l.size() <= 5);
625	<	joinPool(p1);
618	>	public void testShutdownNow() {
619	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
620	>	for (int i = 0; i < 5; i++)
621	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
622	>	LONG_DELAY_MS, MILLISECONDS);
623	>	try {
624	>	List<Runnable> l = p.shutdownNow();
625	>	assertTrue(p.isShutdown());
626	>	assertEquals(5, l.size());
627	>	} catch (SecurityException ok) {
628	>	// Allowed in case test doesn't have privs
629	>	} finally {
630	>	joinPool(p);
631	>	}
632		}
633
634		/**
635		* In default setting, shutdown cancels periodic but not delayed
636		* tasks at shutdown
637		*/
638	<	public void testShutDown1() {
639	<	try {
640	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
641	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
642	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
643	<
644	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
645	<	for(int i = 0; i < 5; i++)
646	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
647	<	p1.shutdown();
648	<	BlockingQueue q = p1.getQueue();
649	<	for (Iterator it = q.iterator(); it.hasNext();) {
650	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
651	<	assertFalse(t.isCancelled());
652	<	}
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	<
638	>	public void testShutdown1() throws InterruptedException {
639	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
640	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
641	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
642	>
643	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
644	>	for (int i = 0; i < tasks.length; i++)
645	>	tasks[i] = p.schedule(new NoOpRunnable(),
646	>	SHORT_DELAY_MS, MILLISECONDS);
647	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
648	>	BlockingQueue<Runnable> q = p.getQueue();
649	>	for (ScheduledFuture task : tasks) {
650	>	assertFalse(task.isDone());
651	>	assertFalse(task.isCancelled());
652	>	assertTrue(q.contains(task));
653		}
654	<	catch(Exception ex) {
655	<	unexpectedException();
654	>	assertTrue(p.isShutdown());
655	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
656	>	assertTrue(p.isTerminated());
657	>	for (ScheduledFuture task : tasks) {
658	>	assertTrue(task.isDone());
659	>	assertFalse(task.isCancelled());
660		}
661		}
662
465	–
663		/**
664		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
665		* delayed tasks are cancelled at shutdown
666		*/
667	<	public void testShutDown2() {
668	<	try {
669	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
670	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
671	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
672	<	for(int i = 0; i < 5; i++)
673	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
674	<	p1.shutdown();
675	<	assertTrue(p1.isShutdown());
676	<	BlockingQueue q = p1.getQueue();
677	<	assertTrue(q.isEmpty());
678	<	Thread.sleep(SMALL_DELAY_MS);
679	<	assertTrue(p1.isTerminated());
680	<	}
681	<	catch(Exception ex) {
682	<	unexpectedException();
667	>	public void testShutdown2() throws InterruptedException {
668	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
669	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
670	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
671	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
672	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
673	>	for (int i = 0; i < tasks.length; i++)
674	>	tasks[i] = p.schedule(new NoOpRunnable(),
675	>	SHORT_DELAY_MS, MILLISECONDS);
676	>	BlockingQueue q = p.getQueue();
677	>	assertEquals(tasks.length, q.size());
678	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
679	>	assertTrue(p.isShutdown());
680	>	assertTrue(q.isEmpty());
681	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
682	>	assertTrue(p.isTerminated());
683	>	for (ScheduledFuture task : tasks) {
684	>	assertTrue(task.isDone());
685	>	assertTrue(task.isCancelled());
686		}
687		}
688
489	–
689		/**
690		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
691	<	* periodic tasks are not cancelled at shutdown
691	>	* periodic tasks are cancelled at shutdown
692		*/
693	<	public void testShutDown3() {
694	<	try {
695	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
696	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
697	<	ScheduledCancellable task =
698	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
699	<	p1.shutdown();
700	<	assertTrue(p1.isShutdown());
701	<	BlockingQueue q = p1.getQueue();
702	<	assertTrue(q.isEmpty());
703	<	Thread.sleep(SHORT_DELAY_MS);
704	<	assertTrue(p1.isTerminated());
705	<	}
706	<	catch(Exception ex) {
707	<	unexpectedException();
708	<	}
693	>	public void testShutdown3() throws InterruptedException {
694	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
695	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
696	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
697	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
698	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
699	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
700	>	long initialDelay = LONG_DELAY_MS;
701	>	ScheduledFuture task =
702	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
703	>	5, MILLISECONDS);
704	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
705	>	assertTrue(p.isShutdown());
706	>	assertTrue(p.getQueue().isEmpty());
707	>	assertTrue(task.isDone());
708	>	assertTrue(task.isCancelled());
709	>	joinPool(p);
710		}
711
712		/**
713		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
714	<	* periodic tasks are cancelled at shutdown
714	>	* periodic tasks are not cancelled at shutdown
715		*/
716	<	public void testShutDown4() {
717	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
716	>	public void testShutdown4() throws InterruptedException {
717	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
718	>	final CountDownLatch counter = new CountDownLatch(2);
719		try {
720	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
721	<	ScheduledCancellable task =
722	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
720	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
721	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
722	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
723	>	final Runnable r = new CheckedRunnable() {
724	>	public void realRun() {
725	>	counter.countDown();
726	>	}};
727	>	ScheduledFuture task =
728	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
729	>	assertFalse(task.isDone());
730		assertFalse(task.isCancelled());
731	<	p1.shutdown();
731	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
732		assertFalse(task.isCancelled());
733	<	assertFalse(p1.isTerminated());
734	<	assertTrue(p1.isShutdown());
735	<	Thread.sleep(SHORT_DELAY_MS);
733	>	assertFalse(p.isTerminated());
734	>	assertTrue(p.isShutdown());
735	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
736		assertFalse(task.isCancelled());
737	<	task.cancel(true);
737	>	assertTrue(task.cancel(false));
738	>	assertTrue(task.isDone());
739		assertTrue(task.isCancelled());
740	<	Thread.sleep(SHORT_DELAY_MS);
741	<	assertTrue(p1.isTerminated());
533	<	}
534	<	catch(Exception ex) {
535	<	unexpectedException();
740	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
741	>	assertTrue(p.isTerminated());
742		}
743		finally {
744	<	p1.shutdownNow();
744	>	joinPool(p);
745	>	}
746	>	}
747	>
748	>	/**
749	>	* completed submit of callable returns result
750	>	*/
751	>	public void testSubmitCallable() throws Exception {
752	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
753	>	try {
754	>	Future<String> future = e.submit(new StringTask());
755	>	String result = future.get();
756	>	assertSame(TEST_STRING, result);
757	>	} finally {
758	>	joinPool(e);
759	>	}
760	>	}
761	>
762	>	/**
763	>	* completed submit of runnable returns successfully
764	>	*/
765	>	public void testSubmitRunnable() throws Exception {
766	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
767	>	try {
768	>	Future<?> future = e.submit(new NoOpRunnable());
769	>	future.get();
770	>	assertTrue(future.isDone());
771	>	} finally {
772	>	joinPool(e);
773	>	}
774	>	}
775	>
776	>	/**
777	>	* completed submit of (runnable, result) returns result
778	>	*/
779	>	public void testSubmitRunnable2() throws Exception {
780	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
781	>	try {
782	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
783	>	String result = future.get();
784	>	assertSame(TEST_STRING, result);
785	>	} finally {
786	>	joinPool(e);
787	>	}
788	>	}
789	>
790	>	/**
791	>	* invokeAny(null) throws NPE
792	>	*/
793	>	public void testInvokeAny1() throws Exception {
794	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
795	>	try {
796	>	e.invokeAny(null);
797	>	shouldThrow();
798	>	} catch (NullPointerException success) {
799	>	} finally {
800	>	joinPool(e);
801	>	}
802	>	}
803	>
804	>	/**
805	>	* invokeAny(empty collection) throws IAE
806	>	*/
807	>	public void testInvokeAny2() throws Exception {
808	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
809	>	try {
810	>	e.invokeAny(new ArrayList<Callable<String>>());
811	>	shouldThrow();
812	>	} catch (IllegalArgumentException success) {
813	>	} finally {
814	>	joinPool(e);
815	>	}
816	>	}
817	>
818	>	/**
819	>	* invokeAny(c) throws NPE if c has null elements
820	>	*/
821	>	public void testInvokeAny3() throws Exception {
822	>	CountDownLatch latch = new CountDownLatch(1);
823	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
824	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
825	>	l.add(latchAwaitingStringTask(latch));
826	>	l.add(null);
827	>	try {
828	>	e.invokeAny(l);
829	>	shouldThrow();
830	>	} catch (NullPointerException success) {
831	>	} finally {
832	>	latch.countDown();
833	>	joinPool(e);
834	>	}
835	>	}
836	>
837	>	/**
838	>	* invokeAny(c) throws ExecutionException if no task completes
839	>	*/
840	>	public void testInvokeAny4() throws Exception {
841	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
842	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
843	>	l.add(new NPETask());
844	>	try {
845	>	e.invokeAny(l);
846	>	shouldThrow();
847	>	} catch (ExecutionException success) {
848	>	assertTrue(success.getCause() instanceof NullPointerException);
849	>	} finally {
850	>	joinPool(e);
851	>	}
852	>	}
853	>
854	>	/**
855	>	* invokeAny(c) returns result of some task
856	>	*/
857	>	public void testInvokeAny5() throws Exception {
858	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
859	>	try {
860	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
861	>	l.add(new StringTask());
862	>	l.add(new StringTask());
863	>	String result = e.invokeAny(l);
864	>	assertSame(TEST_STRING, result);
865	>	} finally {
866	>	joinPool(e);
867	>	}
868	>	}
869	>
870	>	/**
871	>	* invokeAll(null) throws NPE
872	>	*/
873	>	public void testInvokeAll1() throws Exception {
874	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
875	>	try {
876	>	e.invokeAll(null);
877	>	shouldThrow();
878	>	} catch (NullPointerException success) {
879	>	} finally {
880	>	joinPool(e);
881	>	}
882	>	}
883	>
884	>	/**
885	>	* invokeAll(empty collection) returns empty collection
886	>	*/
887	>	public void testInvokeAll2() throws Exception {
888	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
889	>	try {
890	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
891	>	assertTrue(r.isEmpty());
892	>	} finally {
893	>	joinPool(e);
894	>	}
895	>	}
896	>
897	>	/**
898	>	* invokeAll(c) throws NPE if c has null elements
899	>	*/
900	>	public void testInvokeAll3() throws Exception {
901	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
902	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
903	>	l.add(new StringTask());
904	>	l.add(null);
905	>	try {
906	>	e.invokeAll(l);
907	>	shouldThrow();
908	>	} catch (NullPointerException success) {
909	>	} finally {
910	>	joinPool(e);
911	>	}
912	>	}
913	>
914	>	/**
915	>	* get of invokeAll(c) throws exception on failed task
916	>	*/
917	>	public void testInvokeAll4() throws Exception {
918	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
919	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
920	>	l.add(new NPETask());
921	>	List<Future<String>> futures = e.invokeAll(l);
922	>	assertEquals(1, futures.size());
923	>	try {
924	>	futures.get(0).get();
925	>	shouldThrow();
926	>	} catch (ExecutionException success) {
927	>	assertTrue(success.getCause() instanceof NullPointerException);
928	>	} finally {
929	>	joinPool(e);
930	>	}
931	>	}
932	>
933	>	/**
934	>	* invokeAll(c) returns results of all completed tasks
935	>	*/
936	>	public void testInvokeAll5() throws Exception {
937	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
938	>	try {
939	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
940	>	l.add(new StringTask());
941	>	l.add(new StringTask());
942	>	List<Future<String>> futures = e.invokeAll(l);
943	>	assertEquals(2, futures.size());
944	>	for (Future<String> future : futures)
945	>	assertSame(TEST_STRING, future.get());
946	>	} finally {
947	>	joinPool(e);
948	>	}
949	>	}
950	>
951	>	/**
952	>	* timed invokeAny(null) throws NPE
953	>	*/
954	>	public void testTimedInvokeAny1() throws Exception {
955	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
956	>	try {
957	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
958	>	shouldThrow();
959	>	} catch (NullPointerException success) {
960	>	} finally {
961	>	joinPool(e);
962	>	}
963	>	}
964	>
965	>	/**
966	>	* timed invokeAny(,,null) throws NPE
967	>	*/
968	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
969	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
970	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
971	>	l.add(new StringTask());
972	>	try {
973	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
974	>	shouldThrow();
975	>	} catch (NullPointerException success) {
976	>	} finally {
977	>	joinPool(e);
978	>	}
979	>	}
980	>
981	>	/**
982	>	* timed invokeAny(empty collection) throws IAE
983	>	*/
984	>	public void testTimedInvokeAny2() throws Exception {
985	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
986	>	try {
987	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
988	>	shouldThrow();
989	>	} catch (IllegalArgumentException success) {
990	>	} finally {
991	>	joinPool(e);
992	>	}
993	>	}
994	>
995	>	/**
996	>	* timed invokeAny(c) throws NPE if c has null elements
997	>	*/
998	>	public void testTimedInvokeAny3() throws Exception {
999	>	CountDownLatch latch = new CountDownLatch(1);
1000	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1001	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1002	>	l.add(latchAwaitingStringTask(latch));
1003	>	l.add(null);
1004	>	try {
1005	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1006	>	shouldThrow();
1007	>	} catch (NullPointerException success) {
1008	>	} finally {
1009	>	latch.countDown();
1010	>	joinPool(e);
1011	>	}
1012	>	}
1013	>
1014	>	/**
1015	>	* timed invokeAny(c) throws ExecutionException if no task completes
1016	>	*/
1017	>	public void testTimedInvokeAny4() throws Exception {
1018	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1019	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1020	>	l.add(new NPETask());
1021	>	try {
1022	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1023	>	shouldThrow();
1024	>	} catch (ExecutionException success) {
1025	>	assertTrue(success.getCause() instanceof NullPointerException);
1026	>	} finally {
1027	>	joinPool(e);
1028	>	}
1029	>	}
1030	>
1031	>	/**
1032	>	* timed invokeAny(c) returns result of some task
1033	>	*/
1034	>	public void testTimedInvokeAny5() throws Exception {
1035	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1036	>	try {
1037	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1038	>	l.add(new StringTask());
1039	>	l.add(new StringTask());
1040	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1041	>	assertSame(TEST_STRING, result);
1042	>	} finally {
1043	>	joinPool(e);
1044	>	}
1045	>	}
1046	>
1047	>	/**
1048	>	* timed invokeAll(null) throws NPE
1049	>	*/
1050	>	public void testTimedInvokeAll1() throws Exception {
1051	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1052	>	try {
1053	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1054	>	shouldThrow();
1055	>	} catch (NullPointerException success) {
1056	>	} finally {
1057	>	joinPool(e);
1058	>	}
1059	>	}
1060	>
1061	>	/**
1062	>	* timed invokeAll(,,null) throws NPE
1063	>	*/
1064	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1065	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1066	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1067	>	l.add(new StringTask());
1068	>	try {
1069	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1070	>	shouldThrow();
1071	>	} catch (NullPointerException success) {
1072	>	} finally {
1073	>	joinPool(e);
1074	>	}
1075	>	}
1076	>
1077	>	/**
1078	>	* timed invokeAll(empty collection) returns empty collection
1079	>	*/
1080	>	public void testTimedInvokeAll2() throws Exception {
1081	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1082	>	try {
1083	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1084	>	assertTrue(r.isEmpty());
1085	>	} finally {
1086	>	joinPool(e);
1087	>	}
1088	>	}
1089	>
1090	>	/**
1091	>	* timed invokeAll(c) throws NPE if c has null elements
1092	>	*/
1093	>	public void testTimedInvokeAll3() throws Exception {
1094	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1095	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1096	>	l.add(new StringTask());
1097	>	l.add(null);
1098	>	try {
1099	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1100	>	shouldThrow();
1101	>	} catch (NullPointerException success) {
1102	>	} finally {
1103	>	joinPool(e);
1104	>	}
1105	>	}
1106	>
1107	>	/**
1108	>	* get of element of invokeAll(c) throws exception on failed task
1109	>	*/
1110	>	public void testTimedInvokeAll4() throws Exception {
1111	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1112	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1113	>	l.add(new NPETask());
1114	>	List<Future<String>> futures =
1115	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1116	>	assertEquals(1, futures.size());
1117	>	try {
1118	>	futures.get(0).get();
1119	>	shouldThrow();
1120	>	} catch (ExecutionException success) {
1121	>	assertTrue(success.getCause() instanceof NullPointerException);
1122	>	} finally {
1123	>	joinPool(e);
1124	>	}
1125	>	}
1126	>
1127	>	/**
1128	>	* timed invokeAll(c) returns results of all completed tasks
1129	>	*/
1130	>	public void testTimedInvokeAll5() throws Exception {
1131	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1132	>	try {
1133	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1134	>	l.add(new StringTask());
1135	>	l.add(new StringTask());
1136	>	List<Future<String>> futures =
1137	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1138	>	assertEquals(2, futures.size());
1139	>	for (Future<String> future : futures)
1140	>	assertSame(TEST_STRING, future.get());
1141	>	} finally {
1142	>	joinPool(e);
1143	>	}
1144	>	}
1145	>
1146	>	/**
1147	>	* timed invokeAll(c) cancels tasks not completed by timeout
1148	>	*/
1149	>	public void testTimedInvokeAll6() throws Exception {
1150	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1151	>	try {
1152	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1153	>	l.add(new StringTask());
1154	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1155	>	l.add(new StringTask());
1156	>	List<Future<String>> futures =
1157	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1158	>	assertEquals(l.size(), futures.size());
1159	>	for (Future future : futures)
1160	>	assertTrue(future.isDone());
1161	>	assertFalse(futures.get(0).isCancelled());
1162	>	assertTrue(futures.get(1).isCancelled());
1163	>	} finally {
1164	>	joinPool(e);
1165		}
1166		}
1167

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