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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 1.27 by jsr166, Sat Nov 21 17:38:05 2009 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	<	}
31	<	}
23	>
24	>	/**
25	>	* execute successfully executes a runnable
26	>	*/
27	>	public void testExecute() throws InterruptedException {
28	>	TrackedShortRunnable runnable =new TrackedShortRunnable();
29	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
30	>	p1.execute(runnable);
31	>	assertFalse(runnable.done);
32	>	Thread.sleep(SHORT_DELAY_MS);
33	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
34	>	Thread.sleep(MEDIUM_DELAY_MS);
35	>	assertTrue(runnable.done);
36	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
37	>	joinPool(p1);
38		}
39
40	<	static class MyCallable implements Callable {
41	<	volatile boolean done = false;
42	<	public Object call(){
43	<	try{
44	<	Thread.sleep(SMALL_DELAY_MS);
45	<	done = true;
46	<	}catch(Exception e){}
47	<	return Boolean.TRUE;
48	<	}
40	>
41	>	/**
42	>	* delayed schedule of callable successfully executes after delay
43	>	*/
44	>	public void testSchedule1() throws Exception {
45	>	TrackedCallable callable = new TrackedCallable();
46	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
47	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
48	>	assertFalse(callable.done);
49	>	Thread.sleep(MEDIUM_DELAY_MS);
50	>	assertTrue(callable.done);
51	>	assertEquals(Boolean.TRUE, f.get());
52	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
53	>	joinPool(p1);
54		}
55
56	<	public void testExecute(){
57	<	try{
58	<	MyRunnable runnable =new MyRunnable();
59	<	ScheduledExecutor one = new ScheduledExecutor(1);
60	<	one.execute(runnable);
61	<	assertFalse(runnable.done);
62	<	Thread.sleep(SHORT_DELAY_MS);
63	<	one.shutdown();
64	<	try{
65	<	Thread.sleep(MEDIUM_DELAY_MS);
66	<	} catch(InterruptedException e){
67	<	fail("unexpected exception");
68	<	}
69	<	assertTrue(runnable.done);
70	<	one.shutdown();
71	<	joinPool(one);
72	<	}
73	<	catch(Exception e){
74	<	fail("unexpected exception");
75	<	}
76	<
77	<	}
78	<
79	<	public void testSchedule1(){
80	<	try{
81	<	MyCallable callable = new MyCallable();
82	<	ScheduledExecutor one = new ScheduledExecutor(1);
83	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
84	<	assertFalse(callable.done);
85	<	Thread.sleep(MEDIUM_DELAY_MS);
86	<	assertTrue(callable.done);
87	<	assertEquals(Boolean.TRUE, f.get());
88	<	one.shutdown();
89	<	joinPool(one);
90	<	}catch(RejectedExecutionException e){}
91	<	catch(Exception e){
92	<	fail("unexpected exception");
93	<	}
94	<	}
95	<
96	<	/**
97	<	*  Another version of schedule, only using Runnable instead of Callable
98	<	*/
99	<	public void testSchedule3(){
100	<	try{
101	<	MyRunnable runnable = new MyRunnable();
102	<	ScheduledExecutor one = new ScheduledExecutor(1);
103	<	one.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
104	<	Thread.sleep(SHORT_DELAY_MS);
105	<	assertFalse(runnable.done);
106	<	Thread.sleep(MEDIUM_DELAY_MS);
107	<	assertTrue(runnable.done);
108	<	one.shutdown();
109	<	joinPool(one);
110	<	} catch(Exception e){
111	<	fail("unexpected exception");
112	<	}
113	<	}
114	<
115	<	/**
116	<	*  The final version of schedule, using both long, TimeUnit and Runnable
117	<	*/
118	<	public void testSchedule4(){
119	<	try{
120	<	MyRunnable runnable = new MyRunnable();
121	<	ScheduledExecutor one = new ScheduledExecutor(1);
122	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
123	<	assertFalse(runnable.done);
124	<	Thread.sleep(MEDIUM_DELAY_MS);
125	<	assertTrue(runnable.done);
126	<	one.shutdown();
127	<	joinPool(one);
128	<	} catch(Exception e){
129	<	fail("unexpected exception");
130	<	}
131	<	}
132	<
133	<
134	<	// exception tests
135	<
136	<	/**
137	<	*   schedule(Runnable, long) throws RejectedExecutionException
138	<	*  This occurs on an attempt to schedule a task on a shutdown executor
139	<	*/
140	<	public void testSchedule1_RejectedExecutionException(){
141	<	ScheduledExecutor se = new ScheduledExecutor(1);
142	<	try{
56	>	/**
57	>	*  delayed schedule of runnable successfully executes after delay
58	>	*/
59	>	public void testSchedule3() throws InterruptedException {
60	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
61	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
62	>	p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS);
63	>	Thread.sleep(SHORT_DELAY_MS);
64	>	assertFalse(runnable.done);
65	>	Thread.sleep(MEDIUM_DELAY_MS);
66	>	assertTrue(runnable.done);
67	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
68	>	joinPool(p1);
69	>	}
70	>
71	>	/**
72	>	* scheduleAtFixedRate executes runnable after given initial delay
73	>	*/
74	>	public void testSchedule4() throws InterruptedException {
75	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
76	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
77	>	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
78	>	assertFalse(runnable.done);
79	>	Thread.sleep(MEDIUM_DELAY_MS);
80	>	assertTrue(runnable.done);
81	>	h.cancel(true);
82	>	joinPool(p1);
83	>	}
84	>
85	>	static class RunnableCounter implements Runnable {
86	>	AtomicInteger count = new AtomicInteger(0);
87	>	public void run() { count.getAndIncrement(); }
88	>	}
89	>
90	>	/**
91	>	* scheduleWithFixedDelay executes runnable after given initial delay
92	>	*/
93	>	public void testSchedule5() throws InterruptedException {
94	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
95	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
96	>	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
97	>	assertFalse(runnable.done);
98	>	Thread.sleep(MEDIUM_DELAY_MS);
99	>	assertTrue(runnable.done);
100	>	h.cancel(true);
101	>	joinPool(p1);
102	>	}
103	>
104	>	/**
105	>	* scheduleAtFixedRate executes series of tasks at given rate
106	>	*/
107	>	public void testFixedRateSequence() throws InterruptedException {
108	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
109	>	RunnableCounter counter = new RunnableCounter();
110	>	ScheduledFuture h =
111	>	p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
112	>	Thread.sleep(SMALL_DELAY_MS);
113	>	h.cancel(true);
114	>	int c = counter.count.get();
115	>	// By time scaling conventions, we must have at least
116	>	// an execution per SHORT delay, but no more than one SHORT more
117	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
118	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
119	>	joinPool(p1);
120	>	}
121	>
122	>	/**
123	>	* scheduleWithFixedDelay executes series of tasks with given period
124	>	*/
125	>	public void testFixedDelaySequence() throws InterruptedException {
126	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
127	>	RunnableCounter counter = new RunnableCounter();
128	>	ScheduledFuture h =
129	>	p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
130	>	Thread.sleep(SMALL_DELAY_MS);
131	>	h.cancel(true);
132	>	int c = counter.count.get();
133	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
134	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
135	>	joinPool(p1);
136	>	}
137	>
138	>
139	>	/**
140	>	*  execute (null) throws NPE
141	>	*/
142	>	public void testExecuteNull() throws InterruptedException {
143	>	ScheduledThreadPoolExecutor se = null;
144	>	try {
145	>	se = new ScheduledThreadPoolExecutor(1);
146	>	se.execute(null);
147	>	shouldThrow();
148	>	} catch (NullPointerException success) {}
149	>
150	>	joinPool(se);
151	>	}
152	>
153	>	/**
154	>	* schedule (null) throws NPE
155	>	*/
156	>	public void testScheduleNull() throws InterruptedException {
157	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
158	>	try {
159	>	TrackedCallable callable = null;
160	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
161	>	shouldThrow();
162	>	} catch (NullPointerException success) {}
163	>	joinPool(se);
164	>	}
165	>
166	>	/**
167	>	* execute throws RejectedExecutionException if shutdown
168	>	*/
169	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
170	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
171	>	try {
172		se.shutdown();
173		se.schedule(new NoOpRunnable(),
174	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
175	<	fail("shoud throw");
176	<	} catch(RejectedExecutionException success){
174	>	MEDIUM_DELAY_MS, MILLISECONDS);
175	>	shouldThrow();
176	>	} catch (RejectedExecutionException success) {
177	>	} catch (SecurityException ok) {
178		}
179	+
180		joinPool(se);
181
182		}
183
184		/**
185	<	*   schedule(Callable, long, TimeUnit) throws RejectedExecutionException
141	<	*  This occurs on an attempt to schedule a task on a shutdown executor
185	>	* schedule throws RejectedExecutionException if shutdown
186		*/
187	<	public void testSchedule2_RejectedExecutionException(){
188	<	ScheduledExecutor se = new ScheduledExecutor(1);
189	<	try{
187	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
188	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
189	>	try {
190		se.shutdown();
191		se.schedule(new NoOpCallable(),
192	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
193	<	fail("should throw");
194	<	} catch(RejectedExecutionException success){
192	>	MEDIUM_DELAY_MS, MILLISECONDS);
193	>	shouldThrow();
194	>	} catch (RejectedExecutionException success) {
195	>	} catch (SecurityException ok) {
196		}
197		joinPool(se);
198		}
199
200		/**
201	<	*   schedule(Callable, long) throws RejectedExecutionException
157	<	*  This occurs on an attempt to schedule a task on a shutdown executor
201	>	* schedule callable throws RejectedExecutionException if shutdown
202		*/
203	<	public void testSchedule3_RejectedExecutionException(){
204	<	ScheduledExecutor se = new ScheduledExecutor(1);
205	<	try{
203	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
204	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
205	>	try {
206		se.shutdown();
207		se.schedule(new NoOpCallable(),
208	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
209	<	fail("should throw");
210	<	} catch(RejectedExecutionException success){
211	<	}
208	>	MEDIUM_DELAY_MS, MILLISECONDS);
209	>	shouldThrow();
210	>	} catch (RejectedExecutionException success) {
211	>	} catch (SecurityException ok) {
212	>	}
213		joinPool(se);
214		}
215
216		/**
217	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
218	<	*  RejectedExecutionException.
219	<	*  This occurs on an attempt to schedule a task on a shutdown executor
220	<	*/
221	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
177	<	ScheduledExecutor se = new ScheduledExecutor(1);
178	<	try{
217	>	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
218	>	*/
219	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
220	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
221	>	try {
222		se.shutdown();
223		se.scheduleAtFixedRate(new NoOpRunnable(),
224	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
225	<	fail("should throw");
226	<	} catch(RejectedExecutionException success){
227	<	}
224	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
225	>	shouldThrow();
226	>	} catch (RejectedExecutionException success) {
227	>	} catch (SecurityException ok) {
228	>	}
229		joinPool(se);
230		}
231	<
231	>
232		/**
233	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
234	<	*  RejectedExecutionException.
235	<	*  This occurs on an attempt to schedule a task on a shutdown executor
236	<	*/
237	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
194	<	ScheduledExecutor se = new ScheduledExecutor(1);
195	<	try{
233	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
234	>	*/
235	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
236	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
237	>	try {
238		se.shutdown();
239	<	se.scheduleAtFixedRate(new NoOpRunnable(),
240	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
241	<	fail("should throw");
242	<	} catch(RejectedExecutionException success){
243	<	}
239	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
240	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
241	>	shouldThrow();
242	>	} catch (RejectedExecutionException success) {
243	>	} catch (SecurityException ok) {
244	>	}
245		joinPool(se);
246		}
247
248		/**
249	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
250	<	*  RejectedExecutionException.
251	<	*  This occurs on an attempt to schedule a task on a shutdown executor
252	<	*/
253	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
254	<	ScheduledExecutor se = new ScheduledExecutor(1);
255	<	try{
256	<	se.shutdown();
257	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
258	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
216	<	fail("should throw");
217	<	} catch(RejectedExecutionException success){
218	<	}
219	<	joinPool(se);
249	>	*  getActiveCount increases but doesn't overestimate, when a
250	>	*  thread becomes active
251	>	*/
252	>	public void testGetActiveCount() throws InterruptedException {
253	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
254	>	assertEquals(0, p2.getActiveCount());
255	>	p2.execute(new SmallRunnable());
256	>	Thread.sleep(SHORT_DELAY_MS);
257	>	assertEquals(1, p2.getActiveCount());
258	>	joinPool(p2);
259		}
260
261		/**
262	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
263	<	*  RejectedExecutionException.
264	<	*  This occurs on an attempt to schedule a task on a shutdown executor
265	<	*/
266	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
267	<	ScheduledExecutor se = new ScheduledExecutor(1);
268	<	try{
269	<	se.shutdown();
270	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
271	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
233	<	fail("should throw");
234	<	} catch(RejectedExecutionException success){
235	<	}
236	<	joinPool(se);
262	>	*    getCompletedTaskCount increases, but doesn't overestimate,
263	>	*   when tasks complete
264	>	*/
265	>	public void testGetCompletedTaskCount() throws InterruptedException {
266	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
267	>	assertEquals(0, p2.getCompletedTaskCount());
268	>	p2.execute(new SmallRunnable());
269	>	Thread.sleep(MEDIUM_DELAY_MS);
270	>	assertEquals(1, p2.getCompletedTaskCount());
271	>	joinPool(p2);
272		}
273
274		/**
275	<	*   execute throws RejectedExecutionException
241	<	*  This occurs on an attempt to schedule a task on a shutdown executor
275	>	*  getCorePoolSize returns size given in constructor if not otherwise set
276		*/
277	<	public void testExecute_RejectedExecutionException(){
278	<	ScheduledExecutor se = new ScheduledExecutor(1);
279	<	try{
280	<	se.shutdown();
247	<	se.execute(new NoOpRunnable());
248	<	fail("should throw");
249	<	} catch(RejectedExecutionException success){
250	<	}
251	<	joinPool(se);
277	>	public void testGetCorePoolSize() throws InterruptedException {
278	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
279	>	assertEquals(1, p1.getCorePoolSize());
280	>	joinPool(p1);
281		}
282
283		/**
284	<	*   getActiveCount gives correct values
284	>	*    getLargestPoolSize increases, but doesn't overestimate, when
285	>	*   multiple threads active
286		*/
287	<	public void testGetActiveCount(){
288	<	ScheduledExecutor two = new ScheduledExecutor(2);
289	<	assertEquals(0, two.getActiveCount());
290	<	two.execute(new SmallRunnable());
291	<	try{
292	<	Thread.sleep(SHORT_DELAY_MS);
293	<	} catch(Exception e){
294	<	fail("unexpected exception");
287	>	public void testGetLargestPoolSize() throws InterruptedException {
288	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
289	>	assertEquals(0, p2.getLargestPoolSize());
290	>	p2.execute(new SmallRunnable());
291	>	p2.execute(new SmallRunnable());
292	>	Thread.sleep(SHORT_DELAY_MS);
293	>	assertEquals(2, p2.getLargestPoolSize());
294	>	joinPool(p2);
295	>	}
296	>
297	>	/**
298	>	*   getPoolSize increases, but doesn't overestimate, when threads
299	>	*   become active
300	>	*/
301	>	public void testGetPoolSize() throws InterruptedException {
302	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
303	>	assertEquals(0, p1.getPoolSize());
304	>	p1.execute(new SmallRunnable());
305	>	assertEquals(1, p1.getPoolSize());
306	>	joinPool(p1);
307	>	}
308	>
309	>	/**
310	>	*    getTaskCount increases, but doesn't overestimate, when tasks
311	>	*    submitted
312	>	*/
313	>	public void testGetTaskCount() throws InterruptedException {
314	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
315	>	assertEquals(0, p1.getTaskCount());
316	>	for (int i = 0; i < 5; i++)
317	>	p1.execute(new SmallRunnable());
318	>	Thread.sleep(SHORT_DELAY_MS);
319	>	assertEquals(5, p1.getTaskCount());
320	>	joinPool(p1);
321	>	}
322	>
323	>	/**
324	>	* getThreadFactory returns factory in constructor if not set
325	>	*/
326	>	public void testGetThreadFactory() throws InterruptedException {
327	>	ThreadFactory tf = new SimpleThreadFactory();
328	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
329	>	assertSame(tf, p.getThreadFactory());
330	>	joinPool(p);
331	>	}
332	>
333	>	/**
334	>	* setThreadFactory sets the thread factory returned by getThreadFactory
335	>	*/
336	>	public void testSetThreadFactory() throws InterruptedException {
337	>	ThreadFactory tf = new SimpleThreadFactory();
338	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
339	>	p.setThreadFactory(tf);
340	>	assertSame(tf, p.getThreadFactory());
341	>	joinPool(p);
342	>	}
343	>
344	>	/**
345	>	* setThreadFactory(null) throws NPE
346	>	*/
347	>	public void testSetThreadFactoryNull() throws InterruptedException {
348	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
349	>	try {
350	>	p.setThreadFactory(null);
351	>	shouldThrow();
352	>	} catch (NullPointerException success) {
353	>	} finally {
354	>	joinPool(p);
355		}
266	–	assertEquals(1, two.getActiveCount());
267	–	joinPool(two);
356		}
357	<
357	>
358		/**
359	<	*   getCompleteTaskCount gives correct values
359	>	*   is isShutDown is false before shutdown, true after
360		*/
361	<	public void testGetCompletedTaskCount(){
362	<	ScheduledExecutor two = new ScheduledExecutor(2);
363	<	assertEquals(0, two.getCompletedTaskCount());
364	<	two.execute(new SmallRunnable());
365	<	try{
366	<	Thread.sleep(MEDIUM_DELAY_MS);
367	<	} catch(Exception e){
368	<	fail("unexpected exception");
361	>	public void testIsShutdown() {
362	>
363	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
364	>	try {
365	>	assertFalse(p1.isShutdown());
366	>	}
367	>	finally {
368	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
369		}
370	<	assertEquals(1, two.getCompletedTaskCount());
283	<	joinPool(two);
370	>	assertTrue(p1.isShutdown());
371		}
372	<
372	>
373	>
374		/**
375	<	*   getCorePoolSize gives correct values
375	>	*   isTerminated is false before termination, true after
376		*/
377	<	public void testGetCorePoolSize(){
378	<	ScheduledExecutor one = new ScheduledExecutor(1);
379	<	assertEquals(1, one.getCorePoolSize());
380	<	joinPool(one);
377	>	public void testIsTerminated() throws InterruptedException {
378	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
379	>	try {
380	>	p1.execute(new SmallRunnable());
381	>	} finally {
382	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
383	>	}
384	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
385	>	assertTrue(p1.isTerminated());
386		}
387	<
387	>
388		/**
389	<	*   getLargestPoolSize gives correct values
389	>	*  isTerminating is not true when running or when terminated
390		*/
391	<	public void testGetLargestPoolSize(){
392	<	ScheduledExecutor two = new ScheduledExecutor(2);
393	<	assertEquals(0, two.getLargestPoolSize());
394	<	two.execute(new SmallRunnable());
395	<	two.execute(new SmallRunnable());
396	<	try{
397	<	Thread.sleep(SHORT_DELAY_MS);
398	<	} catch(Exception e){
306	<	fail("unexpected exception");
391	>	public void testIsTerminating() throws InterruptedException {
392	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
393	>	assertFalse(p1.isTerminating());
394	>	try {
395	>	p1.execute(new SmallRunnable());
396	>	assertFalse(p1.isTerminating());
397	>	} finally {
398	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
399		}
400	<	assertEquals(2, two.getLargestPoolSize());
401	<	joinPool(two);
400	>
401	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
402	>	assertTrue(p1.isTerminated());
403	>	assertFalse(p1.isTerminating());
404		}
405	<
405	>
406		/**
407	<	*   getPoolSize gives correct values
407	>	* getQueue returns the work queue, which contains queued tasks
408		*/
409	<	public void testGetPoolSize(){
410	<	ScheduledExecutor one = new ScheduledExecutor(1);
411	<	assertEquals(0, one.getPoolSize());
412	<	one.execute(new SmallRunnable());
413	<	assertEquals(1, one.getPoolSize());
414	<	joinPool(one);
409	>	public void testGetQueue() throws InterruptedException {
410	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
411	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
412	>	for (int i = 0; i < 5; i++) {
413	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
414	>	}
415	>	try {
416	>	Thread.sleep(SHORT_DELAY_MS);
417	>	BlockingQueue<Runnable> q = p1.getQueue();
418	>	assertTrue(q.contains(tasks[4]));
419	>	assertFalse(q.contains(tasks[0]));
420	>	} finally {
421	>	joinPool(p1);
422	>	}
423		}
424	<
424	>
425		/**
426	<	*   getTaskCount gives correct values
426	>	* remove(task) removes queued task, and fails to remove active task
427		*/
428	<	public void testGetTaskCount(){
429	<	ScheduledExecutor one = new ScheduledExecutor(1);
430	<	assertEquals(0, one.getTaskCount());
431	<	for(int i = 0; i < 5; i++)
432	<	one.execute(new SmallRunnable());
433	<	try{
428	>	public void testRemove() throws InterruptedException {
429	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
430	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
431	>	for (int i = 0; i < 5; i++) {
432	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
433	>	}
434	>	try {
435		Thread.sleep(SHORT_DELAY_MS);
436	<	} catch(Exception e){
437	<	fail("unexpected exception");
436	>	BlockingQueue<Runnable> q = p1.getQueue();
437	>	assertFalse(p1.remove((Runnable)tasks[0]));
438	>	assertTrue(q.contains((Runnable)tasks[4]));
439	>	assertTrue(q.contains((Runnable)tasks[3]));
440	>	assertTrue(p1.remove((Runnable)tasks[4]));
441	>	assertFalse(p1.remove((Runnable)tasks[4]));
442	>	assertFalse(q.contains((Runnable)tasks[4]));
443	>	assertTrue(q.contains((Runnable)tasks[3]));
444	>	assertTrue(p1.remove((Runnable)tasks[3]));
445	>	assertFalse(q.contains((Runnable)tasks[3]));
446	>	} finally {
447	>	joinPool(p1);
448		}
336	–	assertEquals(5, one.getTaskCount());
337	–	joinPool(one);
449		}
450	<
450	>
451		/**
452	<	*   isShutDown gives correct values
452	>	*  purge removes cancelled tasks from the queue
453		*/
454	<	public void testIsShutdown(){
455	<
456	<	ScheduledExecutor one = new ScheduledExecutor(1);
454	>	public void testPurge() throws InterruptedException {
455	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
456	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
457	>	for (int i = 0; i < 5; i++) {
458	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
459	>	}
460		try {
461	<	assertFalse(one.isShutdown());
461	>	int max = 5;
462	>	if (tasks[4].cancel(true)) --max;
463	>	if (tasks[3].cancel(true)) --max;
464	>	// There must eventually be an interference-free point at
465	>	// which purge will not fail. (At worst, when queue is empty.)
466	>	int k;
467	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
468	>	p1.purge();
469	>	long count = p1.getTaskCount();
470	>	if (count >= 0 && count <= max)
471	>	break;
472	>	Thread.sleep(1);
473	>	}
474	>	assertTrue(k < SMALL_DELAY_MS);
475	>	} finally {
476	>	joinPool(p1);
477	>	}
478	>	}
479	>
480	>	/**
481	>	*  shutDownNow returns a list containing tasks that were not run
482	>	*/
483	>	public void testShutDownNow() throws InterruptedException {
484	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
485	>	for (int i = 0; i < 5; i++)
486	>	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
487	>	List l;
488	>	try {
489	>	l = p1.shutdownNow();
490	>	} catch (SecurityException ok) {
491	>	return;
492	>	}
493	>	assertTrue(p1.isShutdown());
494	>	assertTrue(l.size() > 0 && l.size() <= 5);
495	>	joinPool(p1);
496	>	}
497	>
498	>	/**
499	>	* In default setting, shutdown cancels periodic but not delayed
500	>	* tasks at shutdown
501	>	*/
502	>	public void testShutDown1() throws InterruptedException {
503	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
504	>	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
505	>	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
506	>
507	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
508	>	for (int i = 0; i < 5; i++)
509	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
510	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
511	>	BlockingQueue q = p1.getQueue();
512	>	for (Iterator it = q.iterator(); it.hasNext();) {
513	>	ScheduledFuture t = (ScheduledFuture)it.next();
514	>	assertFalse(t.isCancelled());
515	>	}
516	>	assertTrue(p1.isShutdown());
517	>	Thread.sleep(SMALL_DELAY_MS);
518	>	for (int i = 0; i < 5; ++i) {
519	>	assertTrue(tasks[i].isDone());
520	>	assertFalse(tasks[i].isCancelled());
521	>	}
522	>	}
523	>
524	>
525	>	/**
526	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
527	>	* delayed tasks are cancelled at shutdown
528	>	*/
529	>	public void testShutDown2() throws InterruptedException {
530	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
531	>	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
532	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
533	>	for (int i = 0; i < 5; i++)
534	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
535	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
536	>	assertTrue(p1.isShutdown());
537	>	BlockingQueue q = p1.getQueue();
538	>	assertTrue(q.isEmpty());
539	>	Thread.sleep(SMALL_DELAY_MS);
540	>	assertTrue(p1.isTerminated());
541	>	}
542	>
543	>
544	>	/**
545	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
546	>	* periodic tasks are not cancelled at shutdown
547	>	*/
548	>	public void testShutDown3() throws InterruptedException {
549	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
550	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
551	>	ScheduledFuture task =
552	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
553	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
554	>	assertTrue(p1.isShutdown());
555	>	BlockingQueue q = p1.getQueue();
556	>	assertTrue(q.isEmpty());
557	>	Thread.sleep(SHORT_DELAY_MS);
558	>	assertTrue(p1.isTerminated());
559	>	}
560	>
561	>	/**
562	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
563	>	* periodic tasks are cancelled at shutdown
564	>	*/
565	>	public void testShutDown4() throws InterruptedException {
566	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
567	>	try {
568	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
569	>	ScheduledFuture task =
570	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
571	>	assertFalse(task.isCancelled());
572	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
573	>	assertFalse(task.isCancelled());
574	>	assertFalse(p1.isTerminated());
575	>	assertTrue(p1.isShutdown());
576	>	Thread.sleep(SHORT_DELAY_MS);
577	>	assertFalse(task.isCancelled());
578	>	assertTrue(task.cancel(true));
579	>	assertTrue(task.isDone());
580	>	Thread.sleep(SHORT_DELAY_MS);
581	>	assertTrue(p1.isTerminated());
582		}
583		finally {
584	<	one.shutdown();
584	>	joinPool(p1);
585		}
352	–	assertTrue(one.isShutdown());
586		}
587
355	–
588		/**
589	<	*   isTerminated gives correct values
358	<	*  Makes sure termination does not take an innapropriate
359	<	*  amount of time
589	>	* completed submit of callable returns result
590		*/
591	<	public void testIsTerminated(){
592	<	ScheduledExecutor one = new ScheduledExecutor(1);
591	>	public void testSubmitCallable() throws Exception {
592	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
593		try {
594	<	one.execute(new SmallRunnable());
594	>	Future<String> future = e.submit(new StringTask());
595	>	String result = future.get();
596	>	assertSame(TEST_STRING, result);
597		} finally {
598	<	one.shutdown();
598	>	joinPool(e);
599		}
600	+	}
601	+
602	+	/**
603	+	* completed submit of runnable returns successfully
604	+	*/
605	+	public void testSubmitRunnable() throws Exception {
606	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
607		try {
608	<	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
609	<	assertTrue(one.isTerminated());
610	<	} catch(Exception e){
611	<	fail("unexpected exception");
612	<	}
608	>	Future<?> future = e.submit(new NoOpRunnable());
609	>	future.get();
610	>	assertTrue(future.isDone());
611	>	} finally {
612	>	joinPool(e);
613	>	}
614		}
615
616		/**
617	<	*   that purge correctly removes cancelled tasks
378	<	*  from the queue
617	>	* completed submit of (runnable, result) returns result
618		*/
619	<	public void testPurge(){
620	<	ScheduledExecutor one = new ScheduledExecutor(1);
621	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
622	<	for(int i = 0; i < 5; i++){
623	<	tasks[i] = one.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
619	>	public void testSubmitRunnable2() throws Exception {
620	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
621	>	try {
622	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
623	>	String result = future.get();
624	>	assertSame(TEST_STRING, result);
625	>	} finally {
626	>	joinPool(e);
627		}
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);
628		}
629
630		/**
631	<	*   shutDownNow returns a list
397	<	*  containing the correct number of elements
631	>	* invokeAny(null) throws NPE
632		*/
633	<	public void testShutDownNow(){
634	<	ScheduledExecutor one = new ScheduledExecutor(1);
635	<	for(int i = 0; i < 5; i++)
636	<	one.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
637	<	List l = one.shutdownNow();
638	<	assertTrue(one.isShutdown());
639	<	assertTrue(l.size() > 0 && l.size() <= 5);
640	<	joinPool(one);
633	>	public void testInvokeAny1() throws Exception {
634	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
635	>	try {
636	>	e.invokeAny(null);
637	>	shouldThrow();
638	>	} catch (NullPointerException success) {
639	>	} finally {
640	>	joinPool(e);
641	>	}
642		}
643
644	<	public void testShutDown1(){
644	>	/**
645	>	* invokeAny(empty collection) throws IAE
646	>	*/
647	>	public void testInvokeAny2() throws Exception {
648	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
649		try {
650	<	ScheduledExecutor one = new ScheduledExecutor(1);
651	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
652	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
650	>	e.invokeAny(new ArrayList<Callable<String>>());
651	>	shouldThrow();
652	>	} catch (IllegalArgumentException success) {
653	>	} finally {
654	>	joinPool(e);
655	>	}
656	>	}
657
658	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
659	<	for(int i = 0; i < 5; i++)
660	<	tasks[i] = one.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
661	<	one.shutdown();
662	<	BlockingQueue q = one.getQueue();
663	<	for (Iterator it = q.iterator(); it.hasNext();) {
664	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
665	<	assertFalse(t.isCancelled());
666	<	}
667	<	assertTrue(one.isShutdown());
668	<	Thread.sleep(SMALL_DELAY_MS);
669	<	for (int i = 0; i < 5; ++i) {
670	<	assertTrue(tasks[i].isDone());
671	<	assertFalse(tasks[i].isCancelled());
672	<	}
673	<
658	>	/**
659	>	* invokeAny(c) throws NPE if c has null elements
660	>	*/
661	>	public void testInvokeAny3() throws Exception {
662	>	final CountDownLatch latch = new CountDownLatch(1);
663	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
664	>	try {
665	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
666	>	l.add(new Callable<String>() {
667	>	public String call() {
668	>	try {
669	>	latch.await();
670	>	} catch (InterruptedException quittingTime) {}
671	>	return TEST_STRING;
672	>	}});
673	>	l.add(null);
674	>	e.invokeAny(l);
675	>	shouldThrow();
676	>	} catch (NullPointerException success) {
677	>	} finally {
678	>	latch.countDown();
679	>	joinPool(e);
680		}
681	<	catch(Exception ex) {
682	<	fail("unexpected exception");
681	>	}
682	>
683	>	/**
684	>	* invokeAny(c) throws ExecutionException if no task completes
685	>	*/
686	>	public void testInvokeAny4() throws Exception {
687	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
688	>	try {
689	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
690	>	l.add(new NPETask());
691	>	e.invokeAny(l);
692	>	shouldThrow();
693	>	} catch (ExecutionException success) {
694	>	assertTrue(success.getCause() instanceof NullPointerException);
695	>	} finally {
696	>	joinPool(e);
697		}
698		}
699
700	+	/**
701	+	* invokeAny(c) returns result of some task
702	+	*/
703	+	public void testInvokeAny5() throws Exception {
704	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
705	+	try {
706	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
707	+	l.add(new StringTask());
708	+	l.add(new StringTask());
709	+	String result = e.invokeAny(l);
710	+	assertSame(TEST_STRING, result);
711	+	} finally {
712	+	joinPool(e);
713	+	}
714	+	}
715
716	<	public void testShutDown2(){
716	>	/**
717	>	* invokeAll(null) throws NPE
718	>	*/
719	>	public void testInvokeAll1() throws Exception {
720	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
721		try {
722	<	ScheduledExecutor one = new ScheduledExecutor(1);
723	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
724	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
725	<	for(int i = 0; i < 5; i++)
726	<	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());
722	>	e.invokeAll(null);
723	>	shouldThrow();
724	>	} catch (NullPointerException success) {
725	>	} finally {
726	>	joinPool(e);
727		}
728	<	catch(Exception ex) {
729	<	fail("unexpected exception");
728	>	}
729	>
730	>	/**
731	>	* invokeAll(empty collection) returns empty collection
732	>	*/
733	>	public void testInvokeAll2() throws Exception {
734	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
735	>	try {
736	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
737	>	assertTrue(r.isEmpty());
738	>	} finally {
739	>	joinPool(e);
740		}
741		}
742
743	+	/**
744	+	* invokeAll(c) throws NPE if c has null elements
745	+	*/
746	+	public void testInvokeAll3() throws Exception {
747	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
748	+	try {
749	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
750	+	l.add(new StringTask());
751	+	l.add(null);
752	+	e.invokeAll(l);
753	+	shouldThrow();
754	+	} catch (NullPointerException success) {
755	+	} finally {
756	+	joinPool(e);
757	+	}
758	+	}
759
760	<	public void testShutDown3(){
760	>	/**
761	>	* get of invokeAll(c) throws exception on failed task
762	>	*/
763	>	public void testInvokeAll4() throws Exception {
764	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
765		try {
766	<	ScheduledExecutor one = new ScheduledExecutor(1);
767	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
768	<	ScheduledCancellable task =
769	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
770	<	one.shutdown();
771	<	assertTrue(one.isShutdown());
772	<	BlockingQueue q = one.getQueue();
773	<	assertTrue(q.isEmpty());
774	<	Thread.sleep(SHORT_DELAY_MS);
775	<	assertTrue(one.isTerminated());
766	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
767	>	l.add(new NPETask());
768	>	List<Future<String>> result = e.invokeAll(l);
769	>	assertEquals(1, result.size());
770	>	for (Future<String> future : result)
771	>	future.get();
772	>	shouldThrow();
773	>	} catch (ExecutionException success) {
774	>	assertTrue(success.getCause() instanceof NullPointerException);
775	>	} finally {
776	>	joinPool(e);
777		}
778	<	catch(Exception ex) {
779	<	fail("unexpected exception");
778	>	}
779	>
780	>	/**
781	>	* invokeAll(c) returns results of all completed tasks
782	>	*/
783	>	public void testInvokeAll5() throws Exception {
784	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
785	>	try {
786	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
787	>	l.add(new StringTask());
788	>	l.add(new StringTask());
789	>	List<Future<String>> result = e.invokeAll(l);
790	>	assertEquals(2, result.size());
791	>	for (Future<String> future : result)
792	>	assertSame(TEST_STRING, future.get());
793	>	} finally {
794	>	joinPool(e);
795		}
796		}
797
798	<	public void testShutDown4(){
799	<	ScheduledExecutor one = new ScheduledExecutor(1);
798	>	/**
799	>	* timed invokeAny(null) throws NPE
800	>	*/
801	>	public void testTimedInvokeAny1() throws Exception {
802	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
803		try {
804	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
805	<	ScheduledCancellable task =
806	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
807	<	assertFalse(task.isCancelled());
808	<	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());
804	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
805	>	shouldThrow();
806	>	} catch (NullPointerException success) {
807	>	} finally {
808	>	joinPool(e);
809		}
810	<	catch(Exception ex) {
811	<	fail("unexpected exception");
810	>	}
811	>
812	>	/**
813	>	* timed invokeAny(,,null) throws NPE
814	>	*/
815	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
816	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
817	>	try {
818	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
819	>	l.add(new StringTask());
820	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
821	>	shouldThrow();
822	>	} catch (NullPointerException success) {
823	>	} finally {
824	>	joinPool(e);
825		}
826	<	finally {
827	<	one.shutdownNow();
826	>	}
827	>
828	>	/**
829	>	* timed invokeAny(empty collection) throws IAE
830	>	*/
831	>	public void testTimedInvokeAny2() throws Exception {
832	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
833	>	try {
834	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
835	>	shouldThrow();
836	>	} catch (IllegalArgumentException success) {
837	>	} finally {
838	>	joinPool(e);
839	>	}
840	>	}
841	>
842	>	/**
843	>	* timed invokeAny(c) throws NPE if c has null elements
844	>	*/
845	>	public void testTimedInvokeAny3() throws Exception {
846	>	final CountDownLatch latch = new CountDownLatch(1);
847	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
848	>	try {
849	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
850	>	l.add(new Callable<String>() {
851	>	public String call() {
852	>	try {
853	>	latch.await();
854	>	} catch (InterruptedException quittingTime) {}
855	>	return TEST_STRING;
856	>	}});
857	>	l.add(null);
858	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
859	>	shouldThrow();
860	>	} catch (NullPointerException success) {
861	>	} finally {
862	>	latch.countDown();
863	>	joinPool(e);
864	>	}
865	>	}
866	>
867	>	/**
868	>	* timed invokeAny(c) throws ExecutionException if no task completes
869	>	*/
870	>	public void testTimedInvokeAny4() throws Exception {
871	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
872	>	try {
873	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
874	>	l.add(new NPETask());
875	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
876	>	shouldThrow();
877	>	} catch (ExecutionException success) {
878	>	assertTrue(success.getCause() instanceof NullPointerException);
879	>	} finally {
880	>	joinPool(e);
881	>	}
882	>	}
883	>
884	>	/**
885	>	* timed invokeAny(c) returns result of some task
886	>	*/
887	>	public void testTimedInvokeAny5() throws Exception {
888	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
889	>	try {
890	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
891	>	l.add(new StringTask());
892	>	l.add(new StringTask());
893	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
894	>	assertSame(TEST_STRING, result);
895	>	} finally {
896	>	joinPool(e);
897	>	}
898	>	}
899	>
900	>	/**
901	>	* timed invokeAll(null) throws NPE
902	>	*/
903	>	public void testTimedInvokeAll1() throws Exception {
904	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
905	>	try {
906	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
907	>	shouldThrow();
908	>	} catch (NullPointerException success) {
909	>	} finally {
910	>	joinPool(e);
911	>	}
912	>	}
913	>
914	>	/**
915	>	* timed invokeAll(,,null) throws NPE
916	>	*/
917	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
918	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
919	>	try {
920	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
921	>	l.add(new StringTask());
922	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
923	>	shouldThrow();
924	>	} catch (NullPointerException success) {
925	>	} finally {
926	>	joinPool(e);
927	>	}
928	>	}
929	>
930	>	/**
931	>	* timed invokeAll(empty collection) returns empty collection
932	>	*/
933	>	public void testTimedInvokeAll2() throws Exception {
934	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
935	>	try {
936	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
937	>	assertTrue(r.isEmpty());
938	>	} finally {
939	>	joinPool(e);
940	>	}
941	>	}
942	>
943	>	/**
944	>	* timed invokeAll(c) throws NPE if c has null elements
945	>	*/
946	>	public void testTimedInvokeAll3() throws Exception {
947	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
948	>	try {
949	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
950	>	l.add(new StringTask());
951	>	l.add(null);
952	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
953	>	shouldThrow();
954	>	} catch (NullPointerException success) {
955	>	} finally {
956	>	joinPool(e);
957	>	}
958	>	}
959	>
960	>	/**
961	>	* get of element of invokeAll(c) throws exception on failed task
962	>	*/
963	>	public void testTimedInvokeAll4() throws Exception {
964	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
965	>	try {
966	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
967	>	l.add(new NPETask());
968	>	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
969	>	assertEquals(1, result.size());
970	>	for (Future<String> future : result)
971	>	future.get();
972	>	shouldThrow();
973	>	} catch (ExecutionException success) {
974	>	assertTrue(success.getCause() instanceof NullPointerException);
975	>	} finally {
976	>	joinPool(e);
977		}
978		}
979
980	+	/**
981	+	* timed invokeAll(c) returns results of all completed tasks
982	+	*/
983	+	public void testTimedInvokeAll5() throws Exception {
984	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
985	+	try {
986	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
987	+	l.add(new StringTask());
988	+	l.add(new StringTask());
989	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
990	+	assertEquals(2, result.size());
991	+	for (Future<String> future : result)
992	+	assertSame(TEST_STRING, future.get());
993	+	} finally {
994	+	joinPool(e);
995	+	}
996	+	}
997	+
998	+	/**
999	+	* timed invokeAll(c) cancels tasks not completed by timeout
1000	+	*/
1001	+	public void testTimedInvokeAll6() throws Exception {
1002	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1003	+	try {
1004	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1005	+	l.add(new StringTask());
1006	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1007	+	l.add(new StringTask());
1008	+	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1009	+	assertEquals(3, result.size());
1010	+	Iterator<Future<String>> it = result.iterator();
1011	+	Future<String> f1 = it.next();
1012	+	Future<String> f2 = it.next();
1013	+	Future<String> f3 = it.next();
1014	+	assertTrue(f1.isDone());
1015	+	assertTrue(f2.isDone());
1016	+	assertTrue(f3.isDone());
1017	+	assertFalse(f1.isCancelled());
1018	+	assertTrue(f2.isCancelled());
1019	+	} finally {
1020	+	joinPool(e);
1021	+	}
1022	+	}
1023	+
1024	+
1025		}

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