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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 1.39 by dl, Fri May 6 11:22:07 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.*;
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	<	}
62	<
63	<	}
64	<
65	<	public void testSchedule1(){
66	<	try{
67	<	MyCallable callable = new MyCallable();
68	<	ScheduledExecutor one = new ScheduledExecutor(1);
69	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
70	<	assertFalse(callable.done);
71	<	Thread.sleep(MEDIUM_DELAY_MS);
72	<	assertTrue(callable.done);
73	<	assertEquals(Boolean.TRUE, f.get());
74	<	one.shutdown();
75	<	joinPool(one);
76	<	}catch(RejectedExecutionException e){}
77	<	catch(Exception e){
78	<	fail("unexpected exception");
79	<	}
80	<	}
81	<
82	<	/**
83	<	*  Another version of schedule, only using Runnable instead of Callable
84	<	*/
85	<	public void testSchedule3(){
86	<	try{
87	<	MyRunnable runnable = new MyRunnable();
88	<	ScheduledExecutor one = new ScheduledExecutor(1);
89	<	one.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
90	<	Thread.sleep(SHORT_DELAY_MS);
91	<	assertFalse(runnable.done);
92	<	Thread.sleep(MEDIUM_DELAY_MS);
93	<	assertTrue(runnable.done);
94	<	one.shutdown();
95	<	joinPool(one);
96	<	} catch(Exception e){
97	<	fail("unexpected exception");
98	<	}
99	<	}
100	<
101	<	/**
102	<	*  The final version of schedule, using both long, TimeUnit and Runnable
103	<	*/
104	<	public void testSchedule4(){
105	<	try{
106	<	MyRunnable runnable = new MyRunnable();
107	<	ScheduledExecutor one = new ScheduledExecutor(1);
108	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
109	<	assertFalse(runnable.done);
110	<	Thread.sleep(MEDIUM_DELAY_MS);
111	<	assertTrue(runnable.done);
112	<	one.shutdown();
113	<	joinPool(one);
114	<	} catch(Exception e){
115	<	fail("unexpected exception");
116	<	}
117	<	}
118	<
119	<
120	<	// exception tests
121	<
122	<	/**
123	<	*   schedule(Runnable, long) throws RejectedExecutionException
124	<	*  This occurs on an attempt to schedule a task on a shutdown executor
125	<	*/
126	<	public void testSchedule1_RejectedExecutionException(){
127	<	ScheduledExecutor se = new ScheduledExecutor(1);
128	<	try{
129	<	se.shutdown();
130	<	se.schedule(new NoOpRunnable(),
131	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
132	<	fail("shoud throw");
133	<	} catch(RejectedExecutionException success){
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	+	delay(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	+	delay(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	<	*   schedule(Callable, long, TimeUnit) throws RejectedExecutionException
141	<	*  This occurs on an attempt to schedule a task on a shutdown executor
208	>	* execute throws RejectedExecutionException if shutdown
209		*/
210	<	public void testSchedule2_RejectedExecutionException(){
211	<	ScheduledExecutor se = new ScheduledExecutor(1);
212	<	try{
210	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
211	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
212	>	try {
213		se.shutdown();
214	<	se.schedule(new NoOpCallable(),
215	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
216	<	fail("should throw");
217	<	} catch(RejectedExecutionException success){
214	>	se.schedule(new NoOpRunnable(),
215	>	MEDIUM_DELAY_MS, MILLISECONDS);
216	>	shouldThrow();
217	>	} catch (RejectedExecutionException success) {
218	>	} catch (SecurityException ok) {
219		}
220	+
221		joinPool(se);
222		}
223
224		/**
225	<	*   schedule(Callable, long) throws RejectedExecutionException
157	<	*  This occurs on an attempt to schedule a task on a shutdown executor
225	>	* schedule throws RejectedExecutionException if shutdown
226		*/
227	<	public void testSchedule3_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){
235	<	}
236	<	joinPool(se);
232	>	MEDIUM_DELAY_MS, MILLISECONDS);
233	>	shouldThrow();
234	>	} catch (RejectedExecutionException success) {
235	>	} catch (SecurityException ok) {
236	>	}
237	>	joinPool(se);
238		}
239
240		/**
241	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
173	<	*  RejectedExecutionException.
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
241	>	* schedule callable throws RejectedExecutionException if shutdown
242		*/
243	<	public void testScheduleAtFixedRate1_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.scheduleAtFixedRate(new NoOpRunnable(),
248	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
249	<	fail("should throw");
250	<	} catch(RejectedExecutionException success){
251	<	}
247	>	se.schedule(new NoOpCallable(),
248	>	MEDIUM_DELAY_MS, MILLISECONDS);
249	>	shouldThrow();
250	>	} catch (RejectedExecutionException success) {
251	>	} catch (SecurityException ok) {
252	>	}
253		joinPool(se);
254		}
255	<
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 testScheduleAtFixedRate2_RejectedExecutionException(){
194	<	ScheduledExecutor se = new ScheduledExecutor(1);
195	<	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	<	1, 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
272		/**
273	<	*   scheduleWithFixedDelay(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 testScheduleWithFixedDelay1_RejectedExecutionException(){
211	<	ScheduledExecutor se = new ScheduledExecutor(1);
212	<	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.scheduleWithFixedDelay(new NoOpRunnable(),
280	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
281	<	fail("should throw");
282	<	} catch(RejectedExecutionException success){
283	<	}
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 testScheduleWithFixedDelay2_RejectedExecutionException(){
294	<	ScheduledExecutor se = new ScheduledExecutor(1);
295	<	try{
296	<	se.shutdown();
297	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
298	<	1, 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	<	*   execute throws RejectedExecutionException
314	<	*  This occurs on an attempt to schedule a task on a shutdown executor
313	>	* getCompletedTaskCount increases, but doesn't overestimate,
314	>	* when tasks complete
315		*/
316	<	public void testExecute_RejectedExecutionException(){
317	<	ScheduledExecutor se = new ScheduledExecutor(1);
318	<	try{
319	<	se.shutdown();
320	<	se.execute(new NoOpRunnable());
321	<	fail("should throw");
322	<	} catch(RejectedExecutionException success){
323	<	}
324	<	joinPool(se);
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	>	delay(SHORT_DELAY_MS);
335	>	assertEquals(1, p.getCompletedTaskCount());
336	>	} finally {
337	>	joinPool(p);
338	>	}
339	>	}
340	>
341	>	/**
342	>	* getCorePoolSize returns size given in constructor if not otherwise set
343	>	*/
344	>	public void testGetCorePoolSize() throws InterruptedException {
345	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
346	>	assertEquals(1, p.getCorePoolSize());
347	>	joinPool(p);
348	>	}
349	>
350	>	/**
351	>	* getLargestPoolSize increases, but doesn't overestimate, when
352	>	* multiple threads active
353	>	*/
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	>	}
375	>	}
376	>
377	>	/**
378	>	* getPoolSize increases, but doesn't overestimate, when threads
379	>	* become active
380	>	*/
381	>	public void testGetPoolSize() throws InterruptedException {
382	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
383	>	final CountDownLatch threadStarted = new CountDownLatch(1);
384	>	final CountDownLatch done = new CountDownLatch(1);
385	>	try {
386	>	assertEquals(0, p.getPoolSize());
387	>	p.execute(new CheckedRunnable() {
388	>	public void realRun() throws InterruptedException {
389	>	threadStarted.countDown();
390	>	assertEquals(1, p.getPoolSize());
391	>	done.await();
392	>	}});
393	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
394	>	assertEquals(1, p.getPoolSize());
395	>	} finally {
396	>	done.countDown();
397	>	joinPool(p);
398	>	}
399	>	}
400	>
401	>	/**
402	>	* getTaskCount increases, but doesn't overestimate, when tasks
403	>	* submitted
404	>	*/
405	>	public void testGetTaskCount() throws InterruptedException {
406	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
407	>	final CountDownLatch threadStarted = new CountDownLatch(1);
408	>	final CountDownLatch done = new CountDownLatch(1);
409	>	final int TASKS = 5;
410	>	try {
411	>	assertEquals(0, p.getTaskCount());
412	>	for (int i = 0; i < TASKS; i++)
413	>	p.execute(new CheckedRunnable() {
414	>	public void realRun() throws InterruptedException {
415	>	threadStarted.countDown();
416	>	done.await();
417	>	}});
418	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
419	>	assertEquals(TASKS, p.getTaskCount());
420	>	} finally {
421	>	done.countDown();
422	>	joinPool(p);
423	>	}
424	>	}
425	>
426	>	/**
427	>	* getThreadFactory returns factory in constructor if not set
428	>	*/
429	>	public void testGetThreadFactory() 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	>	}
459		}
460
461		/**
462	<	*   getActiveCount gives correct values
462	>	* isShutDown is false before shutdown, true after
463		*/
464	<	public void testGetActiveCount(){
465	<	ScheduledExecutor two = new ScheduledExecutor(2);
466	<	assertEquals(0, two.getActiveCount());
467	<	two.execute(new SmallRunnable());
468	<	try{
262	<	Thread.sleep(SHORT_DELAY_MS);
263	<	} catch(Exception e){
264	<	fail("unexpected exception");
464	>	public void testIsShutdown() {
465	>
466	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
467	>	try {
468	>	assertFalse(p.isShutdown());
469		}
470	<	assertEquals(1, two.getActiveCount());
471	<	joinPool(two);
470	>	finally {
471	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
472	>	}
473	>	assertTrue(p.isShutdown());
474		}
475	<
475	>
476	>
477		/**
478	<	*   getCompleteTaskCount gives correct values
478	>	* isTerminated is false before termination, true after
479		*/
480	<	public void testGetCompletedTaskCount(){
481	<	ScheduledExecutor two = new ScheduledExecutor(2);
482	<	assertEquals(0, two.getCompletedTaskCount());
483	<	two.execute(new SmallRunnable());
484	<	try{
485	<	Thread.sleep(MEDIUM_DELAY_MS);
486	<	} catch(Exception e){
487	<	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	>	assertFalse(p.isTerminated());
489	>	threadStarted.countDown();
490	>	done.await();
491	>	}});
492	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
493	>	assertFalse(p.isTerminating());
494	>	done.countDown();
495	>	} finally {
496	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
497		}
498	<	assertEquals(1, two.getCompletedTaskCount());
499	<	joinPool(two);
498	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
499	>	assertTrue(p.isTerminated());
500		}
501	<
501	>
502		/**
503	<	*   getCorePoolSize gives correct values
503	>	* isTerminating is not true when running or when terminated
504		*/
505	<	public void testGetCorePoolSize(){
506	<	ScheduledExecutor one = new ScheduledExecutor(1);
507	<	assertEquals(1, one.getCorePoolSize());
508	<	joinPool(one);
505	>	public void testIsTerminating() throws InterruptedException {
506	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
507	>	final CountDownLatch threadStarted = new CountDownLatch(1);
508	>	final CountDownLatch done = new CountDownLatch(1);
509	>	try {
510	>	assertFalse(p.isTerminating());
511	>	p.execute(new CheckedRunnable() {
512	>	public void realRun() throws InterruptedException {
513	>	assertFalse(p.isTerminating());
514	>	threadStarted.countDown();
515	>	done.await();
516	>	}});
517	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
518	>	assertFalse(p.isTerminating());
519	>	done.countDown();
520	>	} finally {
521	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
522	>	}
523	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
524	>	assertTrue(p.isTerminated());
525	>	assertFalse(p.isTerminating());
526		}
527	<
527	>
528		/**
529	<	*   getLargestPoolSize gives correct values
529	>	* getQueue returns the work queue, which contains queued tasks
530		*/
531	<	public void testGetLargestPoolSize(){
532	<	ScheduledExecutor two = new ScheduledExecutor(2);
533	<	assertEquals(0, two.getLargestPoolSize());
534	<	two.execute(new SmallRunnable());
535	<	two.execute(new SmallRunnable());
536	<	try{
537	<	Thread.sleep(SHORT_DELAY_MS);
538	<	} catch(Exception e){
539	<	fail("unexpected exception");
531	>	public void testGetQueue() throws InterruptedException {
532	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
533	>	final CountDownLatch threadStarted = new CountDownLatch(1);
534	>	final CountDownLatch done = new CountDownLatch(1);
535	>	try {
536	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
537	>	for (int i = 0; i < tasks.length; i++) {
538	>	Runnable r = new CheckedRunnable() {
539	>	public void realRun() throws InterruptedException {
540	>	threadStarted.countDown();
541	>	done.await();
542	>	}};
543	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
544	>	}
545	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
546	>	BlockingQueue<Runnable> q = p.getQueue();
547	>	assertTrue(q.contains(tasks[tasks.length - 1]));
548	>	assertFalse(q.contains(tasks[0]));
549	>	} finally {
550	>	done.countDown();
551	>	joinPool(p);
552		}
308	–	assertEquals(2, two.getLargestPoolSize());
309	–	joinPool(two);
553		}
554	<
554	>
555		/**
556	<	*   getPoolSize gives correct values
556	>	* remove(task) removes queued task, and fails to remove active task
557		*/
558	<	public void testGetPoolSize(){
559	<	ScheduledExecutor one = new ScheduledExecutor(1);
560	<	assertEquals(0, one.getPoolSize());
561	<	one.execute(new SmallRunnable());
562	<	assertEquals(1, one.getPoolSize());
563	<	joinPool(one);
558	>	public void testRemove() throws InterruptedException {
559	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
560	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
561	>	final CountDownLatch threadStarted = new CountDownLatch(1);
562	>	final CountDownLatch done = new CountDownLatch(1);
563	>	try {
564	>	for (int i = 0; i < tasks.length; i++) {
565	>	Runnable r = new CheckedRunnable() {
566	>	public void realRun() throws InterruptedException {
567	>	threadStarted.countDown();
568	>	done.await();
569	>	}};
570	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
571	>	}
572	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
573	>	BlockingQueue<Runnable> q = p.getQueue();
574	>	assertFalse(p.remove((Runnable)tasks[0]));
575	>	assertTrue(q.contains((Runnable)tasks[4]));
576	>	assertTrue(q.contains((Runnable)tasks[3]));
577	>	assertTrue(p.remove((Runnable)tasks[4]));
578	>	assertFalse(p.remove((Runnable)tasks[4]));
579	>	assertFalse(q.contains((Runnable)tasks[4]));
580	>	assertTrue(q.contains((Runnable)tasks[3]));
581	>	assertTrue(p.remove((Runnable)tasks[3]));
582	>	assertFalse(q.contains((Runnable)tasks[3]));
583	>	} finally {
584	>	done.countDown();
585	>	joinPool(p);
586	>	}
587	>	}
588	>
589	>	/**
590	>	* purge removes cancelled tasks from the queue
591	>	*/
592	>	public void testPurge() throws InterruptedException {
593	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
594	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
595	>	for (int i = 0; i < tasks.length; i++) {
596	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
597	>	}
598	>	try {
599	>	int max = tasks.length;
600	>	if (tasks[4].cancel(true)) --max;
601	>	if (tasks[3].cancel(true)) --max;
602	>	// There must eventually be an interference-free point at
603	>	// which purge will not fail. (At worst, when queue is empty.)
604	>	int k;
605	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
606	>	p.purge();
607	>	long count = p.getTaskCount();
608	>	if (count >= 0 && count <= max)
609	>	break;
610	>	delay(1);
611	>	}
612	>	assertTrue(k < SMALL_DELAY_MS);
613	>	} finally {
614	>	for (ScheduledFuture task : tasks)
615	>	task.cancel(true);
616	>	joinPool(p);
617	>	}
618	>	}
619	>
620	>	/**
621	>	* shutDownNow returns a list containing tasks that were not run
622	>	*/
623	>	public void testShutDownNow() throws InterruptedException {
624	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
625	>	for (int i = 0; i < 5; i++)
626	>	p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
627	>	List l;
628	>	try {
629	>	l = p.shutdownNow();
630	>	} catch (SecurityException ok) {
631	>	return;
632	>	}
633	>	assertTrue(p.isShutdown());
634	>	assertTrue(l.size() > 0 && l.size() <= 5);
635	>	joinPool(p);
636	>	}
637	>
638	>	/**
639	>	* In default setting, shutdown cancels periodic but not delayed
640	>	* tasks at shutdown
641	>	*/
642	>	public void testShutDown1() throws InterruptedException {
643	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
644	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
645	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
646	>
647	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
648	>	for (int i = 0; i < tasks.length; i++)
649	>	tasks[i] = p.schedule(new NoOpRunnable(),
650	>	SHORT_DELAY_MS, MILLISECONDS);
651	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
652	>	BlockingQueue<Runnable> q = p.getQueue();
653	>	for (ScheduledFuture task : tasks) {
654	>	assertFalse(task.isDone());
655	>	assertFalse(task.isCancelled());
656	>	assertTrue(q.contains(task));
657	>	}
658	>	assertTrue(p.isShutdown());
659	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
660	>	assertTrue(p.isTerminated());
661	>	for (ScheduledFuture task : tasks) {
662	>	assertTrue(task.isDone());
663	>	assertFalse(task.isCancelled());
664	>	}
665		}
666	<
666	>
667	>
668		/**
669	<	*   getTaskCount gives correct values
669	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
670	>	* delayed tasks are cancelled at shutdown
671		*/
672	<	public void testGetTaskCount(){
673	<	ScheduledExecutor one = new ScheduledExecutor(1);
674	<	assertEquals(0, one.getTaskCount());
675	<	for(int i = 0; i < 5; i++)
676	<	one.execute(new SmallRunnable());
677	<	try{
678	<	Thread.sleep(SHORT_DELAY_MS);
679	<	} catch(Exception e){
680	<	fail("unexpected exception");
672	>	public void testShutDown2() throws InterruptedException {
673	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
674	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
675	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
676	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
677	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
678	>	for (int i = 0; i < tasks.length; i++)
679	>	tasks[i] = p.schedule(new NoOpRunnable(),
680	>	SHORT_DELAY_MS, MILLISECONDS);
681	>	BlockingQueue q = p.getQueue();
682	>	assertEquals(tasks.length, q.size());
683	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
684	>	assertTrue(p.isShutdown());
685	>	assertTrue(q.isEmpty());
686	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
687	>	assertTrue(p.isTerminated());
688	>	for (ScheduledFuture task : tasks) {
689	>	assertTrue(task.isDone());
690	>	assertTrue(task.isCancelled());
691		}
336	–	assertEquals(5, one.getTaskCount());
337	–	joinPool(one);
692		}
693	<
693	>
694	>	/**
695	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
696	>	* periodic tasks are cancelled at shutdown
697	>	*/
698	>	public void testShutDown3() throws InterruptedException {
699	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
700	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
701	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
702	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
703	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
704	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
705	>	ScheduledFuture task =
706	>	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
707	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
708	>	assertTrue(p.isShutdown());
709	>	BlockingQueue q = p.getQueue();
710	>	assertTrue(p.getQueue().isEmpty());
711	>	assertTrue(task.isDone());
712	>	assertTrue(task.isCancelled());
713	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
714	>	assertTrue(p.isTerminated());
715	>	}
716	>
717		/**
718	<	*   isShutDown gives correct values
718	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
719	>	* periodic tasks are not cancelled at shutdown
720		*/
721	<	public void testIsShutdown(){
722	<
723	<	ScheduledExecutor one = new ScheduledExecutor(1);
721	>	public void testShutDown4() throws InterruptedException {
722	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
723	>	final CountDownLatch counter = new CountDownLatch(2);
724		try {
725	<	assertFalse(one.isShutdown());
725	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
726	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
727	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
728	>	final Runnable r = new CheckedRunnable() {
729	>	public void realRun() {
730	>	counter.countDown();
731	>	}};
732	>	ScheduledFuture task =
733	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
734	>	assertFalse(task.isDone());
735	>	assertFalse(task.isCancelled());
736	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
737	>	assertFalse(task.isCancelled());
738	>	assertFalse(p.isTerminated());
739	>	assertTrue(p.isShutdown());
740	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
741	>	assertFalse(task.isCancelled());
742	>	assertTrue(task.cancel(false));
743	>	assertTrue(task.isDone());
744	>	assertTrue(task.isCancelled());
745	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
746	>	assertTrue(p.isTerminated());
747		}
748		finally {
749	<	one.shutdown();
749	>	joinPool(p);
750		}
352	–	assertTrue(one.isShutdown());
751		}
752
355	–
753		/**
754	<	*   isTerminated gives correct values
358	<	*  Makes sure termination does not take an innapropriate
359	<	*  amount of time
754	>	* completed submit of callable returns result
755		*/
756	<	public void testIsTerminated(){
757	<	ScheduledExecutor one = new ScheduledExecutor(1);
756	>	public void testSubmitCallable() throws Exception {
757	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
758		try {
759	<	one.execute(new SmallRunnable());
759	>	Future<String> future = e.submit(new StringTask());
760	>	String result = future.get();
761	>	assertSame(TEST_STRING, result);
762		} finally {
763	<	one.shutdown();
763	>	joinPool(e);
764		}
765	+	}
766	+
767	+	/**
768	+	* completed submit of runnable returns successfully
769	+	*/
770	+	public void testSubmitRunnable() throws Exception {
771	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
772		try {
773	<	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
774	<	assertTrue(one.isTerminated());
775	<	} catch(Exception e){
776	<	fail("unexpected exception");
777	<	}
773	>	Future<?> future = e.submit(new NoOpRunnable());
774	>	future.get();
775	>	assertTrue(future.isDone());
776	>	} finally {
777	>	joinPool(e);
778	>	}
779		}
780
781		/**
782	<	*   that purge correctly removes cancelled tasks
378	<	*  from the queue
782	>	* completed submit of (runnable, result) returns result
783		*/
784	<	public void testPurge(){
785	<	ScheduledExecutor one = new ScheduledExecutor(1);
786	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
787	<	for(int i = 0; i < 5; i++){
788	<	tasks[i] = one.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
784	>	public void testSubmitRunnable2() throws Exception {
785	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
786	>	try {
787	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
788	>	String result = future.get();
789	>	assertSame(TEST_STRING, result);
790	>	} finally {
791	>	joinPool(e);
792		}
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);
793		}
794
795		/**
796	<	*   shutDownNow returns a list
397	<	*  containing the correct number of elements
796	>	* invokeAny(null) throws NPE
797		*/
798	<	public void testShutDownNow(){
799	<	ScheduledExecutor one = new ScheduledExecutor(1);
800	<	for(int i = 0; i < 5; i++)
801	<	one.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
802	<	List l = one.shutdownNow();
803	<	assertTrue(one.isShutdown());
804	<	assertTrue(l.size() > 0 && l.size() <= 5);
805	<	joinPool(one);
798	>	public void testInvokeAny1() throws Exception {
799	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
800	>	try {
801	>	e.invokeAny(null);
802	>	shouldThrow();
803	>	} catch (NullPointerException success) {
804	>	} finally {
805	>	joinPool(e);
806	>	}
807		}
808
809	<	public void testShutDown1(){
809	>	/**
810	>	* invokeAny(empty collection) throws IAE
811	>	*/
812	>	public void testInvokeAny2() throws Exception {
813	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
814		try {
815	<	ScheduledExecutor one = new ScheduledExecutor(1);
816	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
817	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
815	>	e.invokeAny(new ArrayList<Callable<String>>());
816	>	shouldThrow();
817	>	} catch (IllegalArgumentException success) {
818	>	} finally {
819	>	joinPool(e);
820	>	}
821	>	}
822
823	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
824	<	for(int i = 0; i < 5; i++)
825	<	tasks[i] = one.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
826	<	one.shutdown();
827	<	BlockingQueue q = one.getQueue();
828	<	for (Iterator it = q.iterator(); it.hasNext();) {
829	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
830	<	assertFalse(t.isCancelled());
831	<	}
832	<	assertTrue(one.isShutdown());
833	<	Thread.sleep(SMALL_DELAY_MS);
834	<	for (int i = 0; i < 5; ++i) {
835	<	assertTrue(tasks[i].isDone());
836	<	assertFalse(tasks[i].isCancelled());
837	<	}
838	<
823	>	/**
824	>	* invokeAny(c) throws NPE if c has null elements
825	>	*/
826	>	public void testInvokeAny3() throws Exception {
827	>	CountDownLatch latch = new CountDownLatch(1);
828	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
829	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
830	>	l.add(latchAwaitingStringTask(latch));
831	>	l.add(null);
832	>	try {
833	>	e.invokeAny(l);
834	>	shouldThrow();
835	>	} catch (NullPointerException success) {
836	>	} finally {
837	>	latch.countDown();
838	>	joinPool(e);
839		}
840	<	catch(Exception ex) {
841	<	fail("unexpected exception");
840	>	}
841	>
842	>	/**
843	>	* invokeAny(c) throws ExecutionException if no task completes
844	>	*/
845	>	public void testInvokeAny4() throws Exception {
846	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
847	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
848	>	l.add(new NPETask());
849	>	try {
850	>	e.invokeAny(l);
851	>	shouldThrow();
852	>	} catch (ExecutionException success) {
853	>	assertTrue(success.getCause() instanceof NullPointerException);
854	>	} finally {
855	>	joinPool(e);
856		}
857		}
858
859	+	/**
860	+	* invokeAny(c) returns result of some task
861	+	*/
862	+	public void testInvokeAny5() throws Exception {
863	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
864	+	try {
865	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
866	+	l.add(new StringTask());
867	+	l.add(new StringTask());
868	+	String result = e.invokeAny(l);
869	+	assertSame(TEST_STRING, result);
870	+	} finally {
871	+	joinPool(e);
872	+	}
873	+	}
874
875	<	public void testShutDown2(){
875	>	/**
876	>	* invokeAll(null) throws NPE
877	>	*/
878	>	public void testInvokeAll1() throws Exception {
879	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
880		try {
881	<	ScheduledExecutor one = new ScheduledExecutor(1);
882	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
883	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
884	<	for(int i = 0; i < 5; i++)
885	<	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());
881	>	e.invokeAll(null);
882	>	shouldThrow();
883	>	} catch (NullPointerException success) {
884	>	} finally {
885	>	joinPool(e);
886		}
887	<	catch(Exception ex) {
888	<	fail("unexpected exception");
887	>	}
888	>
889	>	/**
890	>	* invokeAll(empty collection) returns empty collection
891	>	*/
892	>	public void testInvokeAll2() throws Exception {
893	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
894	>	try {
895	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
896	>	assertTrue(r.isEmpty());
897	>	} finally {
898	>	joinPool(e);
899		}
900		}
901
902	+	/**
903	+	* invokeAll(c) throws NPE if c has null elements
904	+	*/
905	+	public void testInvokeAll3() throws Exception {
906	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
908	+	l.add(new StringTask());
909	+	l.add(null);
910	+	try {
911	+	e.invokeAll(l);
912	+	shouldThrow();
913	+	} catch (NullPointerException success) {
914	+	} finally {
915	+	joinPool(e);
916	+	}
917	+	}
918
919	<	public void testShutDown3(){
919	>	/**
920	>	* get of invokeAll(c) throws exception on failed task
921	>	*/
922	>	public void testInvokeAll4() throws Exception {
923	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
924	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
925	>	l.add(new NPETask());
926	>	List<Future<String>> futures = e.invokeAll(l);
927	>	assertEquals(1, futures.size());
928		try {
929	<	ScheduledExecutor one = new ScheduledExecutor(1);
930	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
931	<	ScheduledCancellable task =
932	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
933	<	one.shutdown();
934	<	assertTrue(one.isShutdown());
466	<	BlockingQueue q = one.getQueue();
467	<	assertTrue(q.isEmpty());
468	<	Thread.sleep(SHORT_DELAY_MS);
469	<	assertTrue(one.isTerminated());
929	>	futures.get(0).get();
930	>	shouldThrow();
931	>	} catch (ExecutionException success) {
932	>	assertTrue(success.getCause() instanceof NullPointerException);
933	>	} finally {
934	>	joinPool(e);
935		}
936	<	catch(Exception ex) {
937	<	fail("unexpected exception");
936	>	}
937	>
938	>	/**
939	>	* invokeAll(c) returns results of all completed tasks
940	>	*/
941	>	public void testInvokeAll5() throws Exception {
942	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
943	>	try {
944	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
945	>	l.add(new StringTask());
946	>	l.add(new StringTask());
947	>	List<Future<String>> futures = e.invokeAll(l);
948	>	assertEquals(2, futures.size());
949	>	for (Future<String> future : futures)
950	>	assertSame(TEST_STRING, future.get());
951	>	} finally {
952	>	joinPool(e);
953		}
954		}
955
956	<	public void testShutDown4(){
957	<	ScheduledExecutor one = new ScheduledExecutor(1);
956	>	/**
957	>	* timed invokeAny(null) throws NPE
958	>	*/
959	>	public void testTimedInvokeAny1() throws Exception {
960	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
961		try {
962	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
963	<	ScheduledCancellable task =
964	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
965	<	assertFalse(task.isCancelled());
966	<	one.shutdown();
967	<	assertFalse(task.isCancelled());
968	<	assertFalse(one.isTerminated());
969	<	assertTrue(one.isShutdown());
970	<	Thread.sleep(SHORT_DELAY_MS);
971	<	assertFalse(task.isCancelled());
972	<	task.cancel(true);
973	<	assertTrue(task.isCancelled());
974	<	Thread.sleep(SHORT_DELAY_MS);
975	<	assertTrue(one.isTerminated());
962	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
963	>	shouldThrow();
964	>	} catch (NullPointerException success) {
965	>	} finally {
966	>	joinPool(e);
967	>	}
968	>	}
969	>
970	>	/**
971	>	* timed invokeAny(,,null) throws NPE
972	>	*/
973	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
974	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
975	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
976	>	l.add(new StringTask());
977	>	try {
978	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
979	>	shouldThrow();
980	>	} catch (NullPointerException success) {
981	>	} finally {
982	>	joinPool(e);
983		}
984	<	catch(Exception ex) {
985	<	fail("unexpected exception");
984	>	}
985	>
986	>	/**
987	>	* timed invokeAny(empty collection) throws IAE
988	>	*/
989	>	public void testTimedInvokeAny2() throws Exception {
990	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
991	>	try {
992	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
993	>	shouldThrow();
994	>	} catch (IllegalArgumentException success) {
995	>	} finally {
996	>	joinPool(e);
997		}
998	<	finally {
999	<	one.shutdownNow();
998	>	}
999	>
1000	>	/**
1001	>	* timed invokeAny(c) throws NPE if c has null elements
1002	>	*/
1003	>	public void testTimedInvokeAny3() throws Exception {
1004	>	CountDownLatch latch = new CountDownLatch(1);
1005	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1006	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1007	>	l.add(latchAwaitingStringTask(latch));
1008	>	l.add(null);
1009	>	try {
1010	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1011	>	shouldThrow();
1012	>	} catch (NullPointerException success) {
1013	>	} finally {
1014	>	latch.countDown();
1015	>	joinPool(e);
1016	>	}
1017	>	}
1018	>
1019	>	/**
1020	>	* timed invokeAny(c) throws ExecutionException if no task completes
1021	>	*/
1022	>	public void testTimedInvokeAny4() throws Exception {
1023	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1024	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1025	>	l.add(new NPETask());
1026	>	try {
1027	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1028	>	shouldThrow();
1029	>	} catch (ExecutionException success) {
1030	>	assertTrue(success.getCause() instanceof NullPointerException);
1031	>	} finally {
1032	>	joinPool(e);
1033	>	}
1034	>	}
1035	>
1036	>	/**
1037	>	* timed invokeAny(c) returns result of some task
1038	>	*/
1039	>	public void testTimedInvokeAny5() throws Exception {
1040	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	>	try {
1042	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1043	>	l.add(new StringTask());
1044	>	l.add(new StringTask());
1045	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1046	>	assertSame(TEST_STRING, result);
1047	>	} finally {
1048	>	joinPool(e);
1049	>	}
1050	>	}
1051	>
1052	>	/**
1053	>	* timed invokeAll(null) throws NPE
1054	>	*/
1055	>	public void testTimedInvokeAll1() throws Exception {
1056	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1057	>	try {
1058	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1059	>	shouldThrow();
1060	>	} catch (NullPointerException success) {
1061	>	} finally {
1062	>	joinPool(e);
1063	>	}
1064	>	}
1065	>
1066	>	/**
1067	>	* timed invokeAll(,,null) throws NPE
1068	>	*/
1069	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1070	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1071	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1072	>	l.add(new StringTask());
1073	>	try {
1074	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1075	>	shouldThrow();
1076	>	} catch (NullPointerException success) {
1077	>	} finally {
1078	>	joinPool(e);
1079		}
1080		}
1081
1082	+	/**
1083	+	* timed invokeAll(empty collection) returns empty collection
1084	+	*/
1085	+	public void testTimedInvokeAll2() throws Exception {
1086	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1087	+	try {
1088	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1089	+	assertTrue(r.isEmpty());
1090	+	} finally {
1091	+	joinPool(e);
1092	+	}
1093	+	}
1094	+
1095	+	/**
1096	+	* timed invokeAll(c) throws NPE if c has null elements
1097	+	*/
1098	+	public void testTimedInvokeAll3() throws Exception {
1099	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1100	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1101	+	l.add(new StringTask());
1102	+	l.add(null);
1103	+	try {
1104	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1105	+	shouldThrow();
1106	+	} catch (NullPointerException success) {
1107	+	} finally {
1108	+	joinPool(e);
1109	+	}
1110	+	}
1111	+
1112	+	/**
1113	+	* get of element of invokeAll(c) throws exception on failed task
1114	+	*/
1115	+	public void testTimedInvokeAll4() throws Exception {
1116	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1117	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1118	+	l.add(new NPETask());
1119	+	List<Future<String>> futures =
1120	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1121	+	assertEquals(1, futures.size());
1122	+	try {
1123	+	futures.get(0).get();
1124	+	shouldThrow();
1125	+	} catch (ExecutionException success) {
1126	+	assertTrue(success.getCause() instanceof NullPointerException);
1127	+	} finally {
1128	+	joinPool(e);
1129	+	}
1130	+	}
1131	+
1132	+	/**
1133	+	* timed invokeAll(c) returns results of all completed tasks
1134	+	*/
1135	+	public void testTimedInvokeAll5() throws Exception {
1136	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	+	try {
1138	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1139	+	l.add(new StringTask());
1140	+	l.add(new StringTask());
1141	+	List<Future<String>> futures =
1142	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1143	+	assertEquals(2, futures.size());
1144	+	for (Future<String> future : futures)
1145	+	assertSame(TEST_STRING, future.get());
1146	+	} finally {
1147	+	joinPool(e);
1148	+	}
1149	+	}
1150	+
1151	+	/**
1152	+	* timed invokeAll(c) cancels tasks not completed by timeout
1153	+	*/
1154	+	public void testTimedInvokeAll6() throws Exception {
1155	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1156	+	try {
1157	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1158	+	l.add(new StringTask());
1159	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1160	+	l.add(new StringTask());
1161	+	List<Future<String>> futures =
1162	+	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1163	+	assertEquals(3, futures.size());
1164	+	Iterator<Future<String>> it = futures.iterator();
1165	+	Future<String> f1 = it.next();
1166	+	Future<String> f2 = it.next();
1167	+	Future<String> f3 = it.next();
1168	+	assertTrue(f1.isDone());
1169	+	assertTrue(f2.isDone());
1170	+	assertTrue(f3.isDone());
1171	+	assertFalse(f1.isCancelled());
1172	+	assertTrue(f2.isCancelled());
1173	+	} finally {
1174	+	joinPool(e);
1175	+	}
1176	+	}
1177	+
1178	+
1179		}

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