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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.4 by dl, Sun Sep 14 20:42:40 2003 UTC vs.
Revision 1.35 by jsr166, Wed Nov 17 23:12:31 2010 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	+	import java.util.concurrent.atomic.*;
14
15		public class ScheduledExecutorTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(ScheduledExecutorTest.class);
20	>	return new TestSuite(ScheduledExecutorTest.class);
21		}
22
23	<	static class MyRunnable implements Runnable {
24	<	volatile boolean done = false;
25	<	public void run(){
26	<	try{
27	<	Thread.sleep(SMALL_DELAY_MS);
28	<	done = true;
29	<	} catch(Exception e){
30	<	}
23	>
24	>	/**
25	>	* execute successfully executes a runnable
26	>	*/
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		}
40		}
41
42	<	static class MyCallable implements Callable {
43	<	volatile boolean done = false;
44	<	public Object call(){
45	<	try{
46	<	Thread.sleep(SMALL_DELAY_MS);
47	<	done = true;
48	<	}catch(Exception e){}
49	<	return Boolean.TRUE;
42	>
43	>	/**
44	>	* delayed schedule of callable successfully executes after delay
45	>	*/
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	<	public void testExecute(){
68	<	try{
69	<	MyRunnable runnable =new MyRunnable();
70	<	ScheduledExecutor one = new ScheduledExecutor(1);
71	<	one.execute(runnable);
72	<	assertFalse(runnable.done);
73	<	Thread.sleep(SHORT_DELAY_MS);
74	<	one.shutdown();
75	<	try{
76	<	Thread.sleep(MEDIUM_DELAY_MS);
77	<	} catch(InterruptedException e){
78	<	fail("unexpected exception");
79	<	}
80	<	assertTrue(runnable.done);
81	<	one.shutdown();
82	<	joinPool(one);
83	<	}
84	<	catch(Exception e){
85	<	fail("unexpected exception");
86	<	}
87	<
88	<	}
89	<
90	<	public void testSchedule1(){
91	<	try{
92	<	MyCallable callable = new MyCallable();
93	<	ScheduledExecutor one = new ScheduledExecutor(1);
94	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
95	<	assertFalse(callable.done);
96	<	Thread.sleep(MEDIUM_DELAY_MS);
97	<	assertTrue(callable.done);
98	<	assertEquals(Boolean.TRUE, f.get());
99	<	one.shutdown();
100	<	joinPool(one);
101	<	}catch(RejectedExecutionException e){}
102	<	catch(Exception e){
103	<	fail("unexpected exception");
104	<	}
105	<	}
106	<
107	<	/**
108	<	*  Another version of schedule, only using Runnable instead of Callable
109	<	*/
110	<	public void testSchedule3(){
111	<	try{
112	<	MyRunnable runnable = new MyRunnable();
113	<	ScheduledExecutor one = new ScheduledExecutor(1);
114	<	one.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
115	<	Thread.sleep(SHORT_DELAY_MS);
116	<	assertFalse(runnable.done);
117	<	Thread.sleep(MEDIUM_DELAY_MS);
118	<	assertTrue(runnable.done);
119	<	one.shutdown();
120	<	joinPool(one);
121	<	} catch(Exception e){
122	<	fail("unexpected exception");
123	<	}
124	<	}
125	<
126	<	/**
127	<	*  The final version of schedule, using both long, TimeUnit and Runnable
128	<	*/
129	<	public void testSchedule4(){
130	<	try{
131	<	MyRunnable runnable = new MyRunnable();
132	<	ScheduledExecutor one = new ScheduledExecutor(1);
133	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
134	<	assertFalse(runnable.done);
135	<	Thread.sleep(MEDIUM_DELAY_MS);
136	<	assertTrue(runnable.done);
137	<	one.shutdown();
138	<	joinPool(one);
139	<	} catch(Exception e){
140	<	fail("unexpected exception");
141	<	}
142	<	}
143	<
144	<
145	<	// exception tests
146	<
147	<	/**
148	<	*   schedule(Runnable, long) throws RejectedExecutionException
149	<	*  This occurs on an attempt to schedule a task on a shutdown executor
150	<	*/
151	<	public void testSchedule1_RejectedExecutionException(){
152	<	ScheduledExecutor se = new ScheduledExecutor(1);
153	<	try{
67	>	/**
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	>
90	>	/**
91	>	* scheduleAtFixedRate executes runnable after given initial delay
92	>	*/
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() 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	>
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
182	>	*/
183	>	public void testExecuteNull() throws InterruptedException {
184	>	ScheduledThreadPoolExecutor se = null;
185	>	try {
186	>	se = new ScheduledThreadPoolExecutor(1);
187	>	se.execute(null);
188	>	shouldThrow();
189	>	} catch (NullPointerException success) {}
190	>
191	>	joinPool(se);
192	>	}
193	>
194	>	/**
195	>	* schedule(null) throws NPE
196	>	*/
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	>	joinPool(se);
205	>	}
206	>
207	>	/**
208	>	* execute throws RejectedExecutionException if shutdown
209	>	*/
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);
216	<	fail("shoud throw");
217	<	} catch(RejectedExecutionException success){
215	>	MEDIUM_DELAY_MS, MILLISECONDS);
216	>	shouldThrow();
217	>	} catch (RejectedExecutionException success) {
218	>	} catch (SecurityException ok) {
219		}
135	–	joinPool(se);
220
221	+	joinPool(se);
222		}
223
224		/**
225	<	*   schedule(Callable, long, TimeUnit) throws RejectedExecutionException
141	<	*  This occurs on an attempt to schedule a task on a shutdown executor
225	>	* schedule throws RejectedExecutionException if shutdown
226		*/
227	<	public void testSchedule2_RejectedExecutionException(){
228	<	ScheduledExecutor se = new ScheduledExecutor(1);
229	<	try{
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);
233	<	fail("should throw");
234	<	} catch(RejectedExecutionException success){
232	>	MEDIUM_DELAY_MS, MILLISECONDS);
233	>	shouldThrow();
234	>	} catch (RejectedExecutionException success) {
235	>	} catch (SecurityException ok) {
236		}
237		joinPool(se);
238		}
239
240		/**
241	<	*   schedule(Callable, long) throws RejectedExecutionException
157	<	*  This occurs on an attempt to schedule a task on a shutdown executor
241	>	* schedule callable throws RejectedExecutionException if shutdown
242		*/
243	<	public void testSchedule3_RejectedExecutionException(){
244	<	ScheduledExecutor se = new ScheduledExecutor(1);
245	<	try{
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);
249	<	fail("should throw");
250	<	} catch(RejectedExecutionException success){
251	<	}
248	>	MEDIUM_DELAY_MS, MILLISECONDS);
249	>	shouldThrow();
250	>	} catch (RejectedExecutionException success) {
251	>	} catch (SecurityException ok) {
252	>	}
253		joinPool(se);
254		}
255
256		/**
257	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
258	<	*  RejectedExecutionException.
259	<	*  This occurs on an attempt to schedule a task on a shutdown executor
260	<	*/
261	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
177	<	ScheduledExecutor se = new ScheduledExecutor(1);
178	<	try{
257	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
258	>	*/
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);
265	<	fail("should throw");
266	<	} catch(RejectedExecutionException success){
267	<	}
264	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
265	>	shouldThrow();
266	>	} catch (RejectedExecutionException success) {
267	>	} catch (SecurityException ok) {
268	>	}
269		joinPool(se);
270		}
271	<
271	>
272		/**
273	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
274	<	*  RejectedExecutionException.
275	<	*  This occurs on an attempt to schedule a task on a shutdown executor
276	<	*/
277	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
194	<	ScheduledExecutor se = new ScheduledExecutor(1);
195	<	try{
273	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
274	>	*/
275	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
276	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
277	>	try {
278		se.shutdown();
279	<	se.scheduleAtFixedRate(new NoOpRunnable(),
280	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
281	<	fail("should throw");
282	<	} catch(RejectedExecutionException success){
283	<	}
279	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
280	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
281	>	shouldThrow();
282	>	} catch (RejectedExecutionException success) {
283	>	} catch (SecurityException ok) {
284	>	}
285		joinPool(se);
286		}
287
288		/**
289	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
290	<	*  RejectedExecutionException.
291	<	*  This occurs on an attempt to schedule a task on a shutdown executor
292	<	*/
293	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
294	<	ScheduledExecutor se = new ScheduledExecutor(1);
295	<	try{
296	<	se.shutdown();
297	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
298	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
299	<	fail("should throw");
300	<	} catch(RejectedExecutionException success){
301	<	}
302	<	joinPool(se);
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	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
314	<	*  RejectedExecutionException.
315	<	*  This occurs on an attempt to schedule a task on a shutdown executor
316	<	*/
317	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
318	<	ScheduledExecutor se = new ScheduledExecutor(1);
319	<	try{
320	<	se.shutdown();
321	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
322	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
323	<	fail("should throw");
324	<	} catch(RejectedExecutionException success){
325	<	}
326	<	joinPool(se);
313	>	* getCompletedTaskCount increases, but doesn't overestimate,
314	>	* when tasks complete
315	>	*/
316	>	public void testGetCompletedTaskCount() throws InterruptedException {
317	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
318	>	final CountDownLatch threadStarted = new CountDownLatch(1);
319	>	final CountDownLatch threadProceed = new CountDownLatch(1);
320	>	final CountDownLatch threadDone = new CountDownLatch(1);
321	>	try {
322	>	assertEquals(0, p.getCompletedTaskCount());
323	>	p.execute(new CheckedRunnable() {
324	>	public void realRun() throws InterruptedException {
325	>	threadStarted.countDown();
326	>	assertEquals(0, p.getCompletedTaskCount());
327	>	threadProceed.await();
328	>	threadDone.countDown();
329	>	}});
330	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
331	>	assertEquals(0, p.getCompletedTaskCount());
332	>	threadProceed.countDown();
333	>	threadDone.await();
334	>	Thread.sleep(SHORT_DELAY_MS);
335	>	assertEquals(1, p.getCompletedTaskCount());
336	>	} finally {
337	>	joinPool(p);
338	>	}
339		}
340
341		/**
342	<	*   execute throws RejectedExecutionException
241	<	*  This occurs on an attempt to schedule a task on a shutdown executor
342	>	* getCorePoolSize returns size given in constructor if not otherwise set
343		*/
344	<	public void testExecute_RejectedExecutionException(){
345	<	ScheduledExecutor se = new ScheduledExecutor(1);
346	<	try{
347	<	se.shutdown();
247	<	se.execute(new NoOpRunnable());
248	<	fail("should throw");
249	<	} catch(RejectedExecutionException success){
250	<	}
251	<	joinPool(se);
344	>	public void testGetCorePoolSize() throws InterruptedException {
345	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
346	>	assertEquals(1, p.getCorePoolSize());
347	>	joinPool(p);
348		}
349
350		/**
351	<	*   getActiveCount gives correct values
351	>	* getLargestPoolSize increases, but doesn't overestimate, when
352	>	* multiple threads active
353		*/
354	<	public void testGetActiveCount(){
355	<	ScheduledExecutor two = new ScheduledExecutor(2);
356	<	assertEquals(0, two.getActiveCount());
357	<	two.execute(new SmallRunnable());
358	<	try{
359	<	Thread.sleep(SHORT_DELAY_MS);
360	<	} catch(Exception e){
361	<	fail("unexpected exception");
354	>	public void testGetLargestPoolSize() throws InterruptedException {
355	>	final int THREADS = 3;
356	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
357	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
358	>	final CountDownLatch done = new CountDownLatch(1);
359	>	try {
360	>	assertEquals(0, p.getLargestPoolSize());
361	>	for (int i = 0; i < THREADS; i++)
362	>	p.execute(new CheckedRunnable() {
363	>	public void realRun() throws InterruptedException {
364	>	threadsStarted.countDown();
365	>	done.await();
366	>	assertEquals(THREADS, p.getLargestPoolSize());
367	>	}});
368	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
369	>	assertEquals(THREADS, p.getLargestPoolSize());
370	>	} finally {
371	>	done.countDown();
372	>	joinPool(p);
373	>	assertEquals(THREADS, p.getLargestPoolSize());
374		}
266	–	assertEquals(1, two.getActiveCount());
267	–	joinPool(two);
375		}
376	<
376	>
377		/**
378	<	*   getCompleteTaskCount gives correct values
378	>	* getPoolSize increases, but doesn't overestimate, when threads
379	>	* become active
380		*/
381	<	public void testGetCompletedTaskCount(){
382	<	ScheduledExecutor two = new ScheduledExecutor(2);
383	<	assertEquals(0, two.getCompletedTaskCount());
384	<	two.execute(new SmallRunnable());
385	<	try{
386	<	Thread.sleep(MEDIUM_DELAY_MS);
387	<	} catch(Exception e){
388	<	fail("unexpected exception");
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		}
282	–	assertEquals(1, two.getCompletedTaskCount());
283	–	joinPool(two);
399		}
400	<
400	>
401		/**
402	<	*   getCorePoolSize gives correct values
402	>	* getTaskCount increases, but doesn't overestimate, when tasks
403	>	* submitted
404		*/
405	<	public void testGetCorePoolSize(){
406	<	ScheduledExecutor one = new ScheduledExecutor(1);
407	<	assertEquals(1, one.getCorePoolSize());
408	<	joinPool(one);
405	>	public void testGetTaskCount() throws InterruptedException {
406	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
407	>	final CountDownLatch threadStarted = new CountDownLatch(1);
408	>	final CountDownLatch done = new CountDownLatch(1);
409	>	final int TASKS = 5;
410	>	try {
411	>	assertEquals(0, p.getTaskCount());
412	>	for (int i = 0; i < TASKS; i++)
413	>	p.execute(new CheckedRunnable() {
414	>	public void realRun() throws InterruptedException {
415	>	threadStarted.countDown();
416	>	done.await();
417	>	}});
418	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
419	>	assertEquals(TASKS, p.getTaskCount());
420	>	} finally {
421	>	done.countDown();
422	>	joinPool(p);
423	>	}
424		}
425	<
425	>
426		/**
427	<	*   getLargestPoolSize gives correct values
427	>	* getThreadFactory returns factory in constructor if not set
428		*/
429	<	public void testGetLargestPoolSize(){
430	<	ScheduledExecutor two = new ScheduledExecutor(2);
431	<	assertEquals(0, two.getLargestPoolSize());
432	<	two.execute(new SmallRunnable());
433	<	two.execute(new SmallRunnable());
434	<	try{
435	<	Thread.sleep(SHORT_DELAY_MS);
436	<	} catch(Exception e){
437	<	fail("unexpected exception");
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	>	* setThreadFactory(null) throws NPE
449	>	*/
450	>	public void testSetThreadFactoryNull() throws InterruptedException {
451	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
452	>	try {
453	>	p.setThreadFactory(null);
454	>	shouldThrow();
455	>	} catch (NullPointerException success) {
456	>	} finally {
457	>	joinPool(p);
458		}
308	–	assertEquals(2, two.getLargestPoolSize());
309	–	joinPool(two);
459		}
460	<
460	>
461		/**
462	<	*   getPoolSize gives correct values
462	>	* isShutDown is false before shutdown, true after
463		*/
464	<	public void testGetPoolSize(){
465	<	ScheduledExecutor one = new ScheduledExecutor(1);
466	<	assertEquals(0, one.getPoolSize());
467	<	one.execute(new SmallRunnable());
468	<	assertEquals(1, one.getPoolSize());
469	<	joinPool(one);
464	>	public void testIsShutdown() {
465	>
466	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
467	>	try {
468	>	assertFalse(p.isShutdown());
469	>	}
470	>	finally {
471	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
472	>	}
473	>	assertTrue(p.isShutdown());
474		}
475	<
475	>
476	>
477		/**
478	<	*   getTaskCount gives correct values
478	>	* isTerminated is false before termination, true after
479		*/
480	<	public void testGetTaskCount(){
481	<	ScheduledExecutor one = new ScheduledExecutor(1);
482	<	assertEquals(0, one.getTaskCount());
483	<	for(int i = 0; i < 5; i++)
484	<	one.execute(new SmallRunnable());
485	<	try{
486	<	Thread.sleep(SHORT_DELAY_MS);
487	<	} catch(Exception e){
488	<	fail("unexpected exception");
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	>	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	>	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	>	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	>	* getQueue returns the work queue, which contains queued tasks
529	>	*/
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	>	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	>	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	>	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
590	>	*/
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	>	}
617	>	}
618	>
619	>	/**
620	>	* shutDownNow returns a list containing tasks that were not run
621	>	*/
622	>	public void testShutDownNow() throws InterruptedException {
623	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
624	>	for (int i = 0; i < 5; i++)
625	>	p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
626	>	List l;
627	>	try {
628	>	l = p.shutdownNow();
629	>	} catch (SecurityException ok) {
630	>	return;
631	>	}
632	>	assertTrue(p.isShutdown());
633	>	assertTrue(l.size() > 0 && l.size() <= 5);
634	>	joinPool(p);
635	>	}
636	>
637	>	/**
638	>	* In default setting, shutdown cancels periodic but not delayed
639	>	* tasks at shutdown
640	>	*/
641	>	public void testShutDown1() 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	>	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		}
336	–	assertEquals(5, one.getTaskCount());
337	–	joinPool(one);
664		}
665	<
665	>
666	>
667		/**
668	<	*   isShutDown gives correct values
668	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
669	>	* delayed tasks are cancelled at shutdown
670		*/
671	<	public void testIsShutdown(){
672	<
673	<	ScheduledExecutor one = new ScheduledExecutor(1);
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	>
693	>	/**
694	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
695	>	* periodic tasks are cancelled at shutdown
696	>	*/
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 not cancelled at shutdown
719	>	*/
720	>	public void testShutDown4() throws InterruptedException {
721	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
722	>	final CountDownLatch counter = new CountDownLatch(2);
723		try {
724	<	assertFalse(one.isShutdown());
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	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
736	>	assertFalse(task.isCancelled());
737	>	assertFalse(p.isTerminated());
738	>	assertTrue(p.isShutdown());
739	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
740	>	assertFalse(task.isCancelled());
741	>	assertTrue(task.cancel(false));
742	>	assertTrue(task.isDone());
743	>	assertTrue(task.isCancelled());
744	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
745	>	assertTrue(p.isTerminated());
746		}
747		finally {
748	<	one.shutdown();
748	>	joinPool(p);
749		}
352	–	assertTrue(one.isShutdown());
750		}
751
355	–
752		/**
753	<	*   isTerminated gives correct values
358	<	*  Makes sure termination does not take an innapropriate
359	<	*  amount of time
753	>	* completed submit of callable returns result
754		*/
755	<	public void testIsTerminated(){
756	<	ScheduledExecutor one = new ScheduledExecutor(1);
755	>	public void testSubmitCallable() throws Exception {
756	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
757		try {
758	<	one.execute(new SmallRunnable());
758	>	Future<String> future = e.submit(new StringTask());
759	>	String result = future.get();
760	>	assertSame(TEST_STRING, result);
761		} finally {
762	<	one.shutdown();
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	<	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
773	<	assertTrue(one.isTerminated());
774	<	} catch(Exception e){
775	<	fail("unexpected exception");
776	<	}
772	>	Future<?> future = e.submit(new NoOpRunnable());
773	>	future.get();
774	>	assertTrue(future.isDone());
775	>	} finally {
776	>	joinPool(e);
777	>	}
778		}
779
780		/**
781	<	*   that purge correctly removes cancelled tasks
378	<	*  from the queue
781	>	* completed submit of (runnable, result) returns result
782		*/
783	<	public void testPurge(){
784	<	ScheduledExecutor one = new ScheduledExecutor(1);
785	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
786	<	for(int i = 0; i < 5; i++){
787	<	tasks[i] = one.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
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		}
386	–	int max = 5;
387	–	if (tasks[4].cancel(true)) --max;
388	–	if (tasks[3].cancel(true)) --max;
389	–	one.purge();
390	–	long count = one.getTaskCount();
391	–	assertTrue(count > 0 && count <= max);
392	–	joinPool(one);
792		}
793
794		/**
795	<	*   shutDownNow returns a list
397	<	*  containing the correct number of elements
795	>	* invokeAny(null) throws NPE
796		*/
797	<	public void testShutDownNow(){
798	<	ScheduledExecutor one = new ScheduledExecutor(1);
799	<	for(int i = 0; i < 5; i++)
800	<	one.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
801	<	List l = one.shutdownNow();
802	<	assertTrue(one.isShutdown());
803	<	assertTrue(l.size() > 0 && l.size() <= 5);
804	<	joinPool(one);
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	<	public void testShutDown1(){
808	>	/**
809	>	* invokeAny(empty collection) throws IAE
810	>	*/
811	>	public void testInvokeAny2() throws Exception {
812	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
813		try {
814	<	ScheduledExecutor one = new ScheduledExecutor(1);
815	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
816	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
814	>	e.invokeAny(new ArrayList<Callable<String>>());
815	>	shouldThrow();
816	>	} catch (IllegalArgumentException success) {
817	>	} finally {
818	>	joinPool(e);
819	>	}
820	>	}
821
822	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
823	<	for(int i = 0; i < 5; i++)
824	<	tasks[i] = one.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
825	<	one.shutdown();
826	<	BlockingQueue q = one.getQueue();
827	<	for (Iterator it = q.iterator(); it.hasNext();) {
828	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
829	<	assertFalse(t.isCancelled());
830	<	}
831	<	assertTrue(one.isShutdown());
832	<	Thread.sleep(SMALL_DELAY_MS);
833	<	for (int i = 0; i < 5; ++i) {
834	<	assertTrue(tasks[i].isDone());
835	<	assertFalse(tasks[i].isCancelled());
836	<	}
837	<
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	<	catch(Exception ex) {
840	<	fail("unexpected exception");
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	<	public void testShutDown2(){
874	>	/**
875	>	* invokeAll(null) throws NPE
876	>	*/
877	>	public void testInvokeAll1() throws Exception {
878	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
879		try {
880	<	ScheduledExecutor one = new ScheduledExecutor(1);
881	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
882	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
883	<	for(int i = 0; i < 5; i++)
884	<	tasks[i] = one.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
445	<	one.shutdown();
446	<	assertTrue(one.isShutdown());
447	<	BlockingQueue q = one.getQueue();
448	<	assertTrue(q.isEmpty());
449	<	Thread.sleep(SMALL_DELAY_MS);
450	<	assertTrue(one.isTerminated());
880	>	e.invokeAll(null);
881	>	shouldThrow();
882	>	} catch (NullPointerException success) {
883	>	} finally {
884	>	joinPool(e);
885		}
886	<	catch(Exception ex) {
887	<	fail("unexpected exception");
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	<	public void testShutDown3(){
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	<	ScheduledExecutor one = new ScheduledExecutor(1);
929	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
930	<	ScheduledCancellable task =
931	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
932	<	one.shutdown();
933	<	assertTrue(one.isShutdown());
466	<	BlockingQueue q = one.getQueue();
467	<	assertTrue(q.isEmpty());
468	<	Thread.sleep(SHORT_DELAY_MS);
469	<	assertTrue(one.isTerminated());
928	>	futures.get(0).get();
929	>	shouldThrow();
930	>	} catch (ExecutionException success) {
931	>	assertTrue(success.getCause() instanceof NullPointerException);
932	>	} finally {
933	>	joinPool(e);
934		}
935	<	catch(Exception ex) {
936	<	fail("unexpected exception");
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	<	public void testShutDown4(){
956	<	ScheduledExecutor one = new ScheduledExecutor(1);
955	>	/**
956	>	* timed invokeAny(null) throws NPE
957	>	*/
958	>	public void testTimedInvokeAny1() throws Exception {
959	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
960		try {
961	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
962	<	ScheduledCancellable task =
963	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
964	<	assertFalse(task.isCancelled());
965	<	one.shutdown();
484	<	assertFalse(task.isCancelled());
485	<	assertFalse(one.isTerminated());
486	<	assertTrue(one.isShutdown());
487	<	Thread.sleep(SHORT_DELAY_MS);
488	<	assertFalse(task.isCancelled());
489	<	task.cancel(true);
490	<	assertTrue(task.isCancelled());
491	<	Thread.sleep(SHORT_DELAY_MS);
492	<	assertTrue(one.isTerminated());
961	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
962	>	shouldThrow();
963	>	} catch (NullPointerException success) {
964	>	} finally {
965	>	joinPool(e);
966		}
967	<	catch(Exception ex) {
968	<	fail("unexpected exception");
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	<	finally {
984	<	one.shutdownNow();
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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