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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 1.28 by jsr166, Tue Dec 1 09:48:12 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		}
135	–	joinPool(se);
179
180	+	joinPool(se);
181		}
182
183		/**
184	<	*   schedule(Callable, long, TimeUnit) throws RejectedExecutionException
141	<	*  This occurs on an attempt to schedule a task on a shutdown executor
184	>	* schedule throws RejectedExecutionException if shutdown
185		*/
186	<	public void testSchedule2_RejectedExecutionException(){
187	<	ScheduledExecutor se = new ScheduledExecutor(1);
188	<	try{
186	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
187	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
188	>	try {
189		se.shutdown();
190		se.schedule(new NoOpCallable(),
191	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
192	<	fail("should throw");
193	<	} catch(RejectedExecutionException success){
191	>	MEDIUM_DELAY_MS, MILLISECONDS);
192	>	shouldThrow();
193	>	} catch (RejectedExecutionException success) {
194	>	} catch (SecurityException ok) {
195		}
196		joinPool(se);
197		}
198
199		/**
200	<	*   schedule(Callable, long) throws RejectedExecutionException
157	<	*  This occurs on an attempt to schedule a task on a shutdown executor
200	>	* schedule callable throws RejectedExecutionException if shutdown
201		*/
202	<	public void testSchedule3_RejectedExecutionException(){
203	<	ScheduledExecutor se = new ScheduledExecutor(1);
204	<	try{
202	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
203	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
204	>	try {
205		se.shutdown();
206		se.schedule(new NoOpCallable(),
207	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
208	<	fail("should throw");
209	<	} catch(RejectedExecutionException success){
210	<	}
207	>	MEDIUM_DELAY_MS, MILLISECONDS);
208	>	shouldThrow();
209	>	} catch (RejectedExecutionException success) {
210	>	} catch (SecurityException ok) {
211	>	}
212		joinPool(se);
213		}
214
215		/**
216	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
217	<	*  RejectedExecutionException.
218	<	*  This occurs on an attempt to schedule a task on a shutdown executor
219	<	*/
220	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
177	<	ScheduledExecutor se = new ScheduledExecutor(1);
178	<	try{
216	>	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
217	>	*/
218	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
219	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
220	>	try {
221		se.shutdown();
222		se.scheduleAtFixedRate(new NoOpRunnable(),
223	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
224	<	fail("should throw");
225	<	} catch(RejectedExecutionException success){
226	<	}
223	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
224	>	shouldThrow();
225	>	} catch (RejectedExecutionException success) {
226	>	} catch (SecurityException ok) {
227	>	}
228		joinPool(se);
229		}
230	<
230	>
231		/**
232	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
233	<	*  RejectedExecutionException.
234	<	*  This occurs on an attempt to schedule a task on a shutdown executor
235	<	*/
236	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
194	<	ScheduledExecutor se = new ScheduledExecutor(1);
195	<	try{
232	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
233	>	*/
234	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
235	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
236	>	try {
237		se.shutdown();
238	<	se.scheduleAtFixedRate(new NoOpRunnable(),
239	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
240	<	fail("should throw");
241	<	} catch(RejectedExecutionException success){
242	<	}
238	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
239	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
240	>	shouldThrow();
241	>	} catch (RejectedExecutionException success) {
242	>	} catch (SecurityException ok) {
243	>	}
244		joinPool(se);
245		}
246
247		/**
248	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
249	<	*  RejectedExecutionException.
250	<	*  This occurs on an attempt to schedule a task on a shutdown executor
251	<	*/
252	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
253	<	ScheduledExecutor se = new ScheduledExecutor(1);
254	<	try{
255	<	se.shutdown();
256	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
257	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
216	<	fail("should throw");
217	<	} catch(RejectedExecutionException success){
218	<	}
219	<	joinPool(se);
248	>	*  getActiveCount increases but doesn't overestimate, when a
249	>	*  thread becomes active
250	>	*/
251	>	public void testGetActiveCount() throws InterruptedException {
252	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
253	>	assertEquals(0, p2.getActiveCount());
254	>	p2.execute(new SmallRunnable());
255	>	Thread.sleep(SHORT_DELAY_MS);
256	>	assertEquals(1, p2.getActiveCount());
257	>	joinPool(p2);
258		}
259
260		/**
261	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
262	<	*  RejectedExecutionException.
263	<	*  This occurs on an attempt to schedule a task on a shutdown executor
264	<	*/
265	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
266	<	ScheduledExecutor se = new ScheduledExecutor(1);
267	<	try{
268	<	se.shutdown();
269	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
270	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
233	<	fail("should throw");
234	<	} catch(RejectedExecutionException success){
235	<	}
236	<	joinPool(se);
261	>	*    getCompletedTaskCount increases, but doesn't overestimate,
262	>	*   when tasks complete
263	>	*/
264	>	public void testGetCompletedTaskCount() throws InterruptedException {
265	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
266	>	assertEquals(0, p2.getCompletedTaskCount());
267	>	p2.execute(new SmallRunnable());
268	>	Thread.sleep(MEDIUM_DELAY_MS);
269	>	assertEquals(1, p2.getCompletedTaskCount());
270	>	joinPool(p2);
271		}
272
273		/**
274	<	*   execute throws RejectedExecutionException
241	<	*  This occurs on an attempt to schedule a task on a shutdown executor
274	>	*  getCorePoolSize returns size given in constructor if not otherwise set
275		*/
276	<	public void testExecute_RejectedExecutionException(){
277	<	ScheduledExecutor se = new ScheduledExecutor(1);
278	<	try{
279	<	se.shutdown();
247	<	se.execute(new NoOpRunnable());
248	<	fail("should throw");
249	<	} catch(RejectedExecutionException success){
250	<	}
251	<	joinPool(se);
276	>	public void testGetCorePoolSize() throws InterruptedException {
277	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
278	>	assertEquals(1, p1.getCorePoolSize());
279	>	joinPool(p1);
280		}
281
282		/**
283	<	*   getActiveCount gives correct values
283	>	*    getLargestPoolSize increases, but doesn't overestimate, when
284	>	*   multiple threads active
285		*/
286	<	public void testGetActiveCount(){
287	<	ScheduledExecutor two = new ScheduledExecutor(2);
288	<	assertEquals(0, two.getActiveCount());
289	<	two.execute(new SmallRunnable());
290	<	try{
291	<	Thread.sleep(SHORT_DELAY_MS);
292	<	} catch(Exception e){
293	<	fail("unexpected exception");
286	>	public void testGetLargestPoolSize() throws InterruptedException {
287	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
288	>	assertEquals(0, p2.getLargestPoolSize());
289	>	p2.execute(new SmallRunnable());
290	>	p2.execute(new SmallRunnable());
291	>	Thread.sleep(SHORT_DELAY_MS);
292	>	assertEquals(2, p2.getLargestPoolSize());
293	>	joinPool(p2);
294	>	}
295	>
296	>	/**
297	>	*   getPoolSize increases, but doesn't overestimate, when threads
298	>	*   become active
299	>	*/
300	>	public void testGetPoolSize() throws InterruptedException {
301	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
302	>	assertEquals(0, p1.getPoolSize());
303	>	p1.execute(new SmallRunnable());
304	>	assertEquals(1, p1.getPoolSize());
305	>	joinPool(p1);
306	>	}
307	>
308	>	/**
309	>	*    getTaskCount increases, but doesn't overestimate, when tasks
310	>	*    submitted
311	>	*/
312	>	public void testGetTaskCount() throws InterruptedException {
313	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
314	>	assertEquals(0, p1.getTaskCount());
315	>	for (int i = 0; i < 5; i++)
316	>	p1.execute(new SmallRunnable());
317	>	Thread.sleep(SHORT_DELAY_MS);
318	>	assertEquals(5, p1.getTaskCount());
319	>	joinPool(p1);
320	>	}
321	>
322	>	/**
323	>	* getThreadFactory returns factory in constructor if not set
324	>	*/
325	>	public void testGetThreadFactory() throws InterruptedException {
326	>	ThreadFactory tf = new SimpleThreadFactory();
327	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
328	>	assertSame(tf, p.getThreadFactory());
329	>	joinPool(p);
330	>	}
331	>
332	>	/**
333	>	* setThreadFactory sets the thread factory returned by getThreadFactory
334	>	*/
335	>	public void testSetThreadFactory() throws InterruptedException {
336	>	ThreadFactory tf = new SimpleThreadFactory();
337	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
338	>	p.setThreadFactory(tf);
339	>	assertSame(tf, p.getThreadFactory());
340	>	joinPool(p);
341	>	}
342	>
343	>	/**
344	>	* setThreadFactory(null) throws NPE
345	>	*/
346	>	public void testSetThreadFactoryNull() throws InterruptedException {
347	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
348	>	try {
349	>	p.setThreadFactory(null);
350	>	shouldThrow();
351	>	} catch (NullPointerException success) {
352	>	} finally {
353	>	joinPool(p);
354		}
266	–	assertEquals(1, two.getActiveCount());
267	–	joinPool(two);
355		}
356	<
356	>
357		/**
358	<	*   getCompleteTaskCount gives correct values
358	>	*   is isShutDown is false before shutdown, true after
359		*/
360	<	public void testGetCompletedTaskCount(){
361	<	ScheduledExecutor two = new ScheduledExecutor(2);
362	<	assertEquals(0, two.getCompletedTaskCount());
363	<	two.execute(new SmallRunnable());
364	<	try{
278	<	Thread.sleep(MEDIUM_DELAY_MS);
279	<	} catch(Exception e){
280	<	fail("unexpected exception");
360	>	public void testIsShutdown() {
361	>
362	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
363	>	try {
364	>	assertFalse(p1.isShutdown());
365		}
366	<	assertEquals(1, two.getCompletedTaskCount());
367	<	joinPool(two);
366	>	finally {
367	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
368	>	}
369	>	assertTrue(p1.isShutdown());
370		}
371	<
371	>
372	>
373		/**
374	<	*   getCorePoolSize gives correct values
374	>	*   isTerminated is false before termination, true after
375		*/
376	<	public void testGetCorePoolSize(){
377	<	ScheduledExecutor one = new ScheduledExecutor(1);
378	<	assertEquals(1, one.getCorePoolSize());
379	<	joinPool(one);
376	>	public void testIsTerminated() throws InterruptedException {
377	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
378	>	try {
379	>	p1.execute(new SmallRunnable());
380	>	} finally {
381	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
382	>	}
383	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
384	>	assertTrue(p1.isTerminated());
385		}
386	<
386	>
387		/**
388	<	*   getLargestPoolSize gives correct values
388	>	*  isTerminating is not true when running or when terminated
389		*/
390	<	public void testGetLargestPoolSize(){
391	<	ScheduledExecutor two = new ScheduledExecutor(2);
392	<	assertEquals(0, two.getLargestPoolSize());
393	<	two.execute(new SmallRunnable());
394	<	two.execute(new SmallRunnable());
395	<	try{
396	<	Thread.sleep(SHORT_DELAY_MS);
397	<	} catch(Exception e){
306	<	fail("unexpected exception");
390	>	public void testIsTerminating() throws InterruptedException {
391	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
392	>	assertFalse(p1.isTerminating());
393	>	try {
394	>	p1.execute(new SmallRunnable());
395	>	assertFalse(p1.isTerminating());
396	>	} finally {
397	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
398		}
399	<	assertEquals(2, two.getLargestPoolSize());
400	<	joinPool(two);
399	>
400	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
401	>	assertTrue(p1.isTerminated());
402	>	assertFalse(p1.isTerminating());
403		}
404	<
404	>
405		/**
406	<	*   getPoolSize gives correct values
406	>	* getQueue returns the work queue, which contains queued tasks
407		*/
408	<	public void testGetPoolSize(){
409	<	ScheduledExecutor one = new ScheduledExecutor(1);
410	<	assertEquals(0, one.getPoolSize());
411	<	one.execute(new SmallRunnable());
412	<	assertEquals(1, one.getPoolSize());
413	<	joinPool(one);
408	>	public void testGetQueue() throws InterruptedException {
409	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
410	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
411	>	for (int i = 0; i < 5; i++) {
412	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
413	>	}
414	>	try {
415	>	Thread.sleep(SHORT_DELAY_MS);
416	>	BlockingQueue<Runnable> q = p1.getQueue();
417	>	assertTrue(q.contains(tasks[4]));
418	>	assertFalse(q.contains(tasks[0]));
419	>	} finally {
420	>	joinPool(p1);
421	>	}
422		}
423	<
423	>
424		/**
425	<	*   getTaskCount gives correct values
425	>	* remove(task) removes queued task, and fails to remove active task
426		*/
427	<	public void testGetTaskCount(){
428	<	ScheduledExecutor one = new ScheduledExecutor(1);
429	<	assertEquals(0, one.getTaskCount());
430	<	for(int i = 0; i < 5; i++)
431	<	one.execute(new SmallRunnable());
432	<	try{
427	>	public void testRemove() throws InterruptedException {
428	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
429	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
430	>	for (int i = 0; i < 5; i++) {
431	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
432	>	}
433	>	try {
434		Thread.sleep(SHORT_DELAY_MS);
435	<	} catch(Exception e){
436	<	fail("unexpected exception");
435	>	BlockingQueue<Runnable> q = p1.getQueue();
436	>	assertFalse(p1.remove((Runnable)tasks[0]));
437	>	assertTrue(q.contains((Runnable)tasks[4]));
438	>	assertTrue(q.contains((Runnable)tasks[3]));
439	>	assertTrue(p1.remove((Runnable)tasks[4]));
440	>	assertFalse(p1.remove((Runnable)tasks[4]));
441	>	assertFalse(q.contains((Runnable)tasks[4]));
442	>	assertTrue(q.contains((Runnable)tasks[3]));
443	>	assertTrue(p1.remove((Runnable)tasks[3]));
444	>	assertFalse(q.contains((Runnable)tasks[3]));
445	>	} finally {
446	>	joinPool(p1);
447	>	}
448	>	}
449	>
450	>	/**
451	>	*  purge removes cancelled tasks from the queue
452	>	*/
453	>	public void testPurge() throws InterruptedException {
454	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
455	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
456	>	for (int i = 0; i < 5; i++) {
457	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
458	>	}
459	>	try {
460	>	int max = 5;
461	>	if (tasks[4].cancel(true)) --max;
462	>	if (tasks[3].cancel(true)) --max;
463	>	// There must eventually be an interference-free point at
464	>	// which purge will not fail. (At worst, when queue is empty.)
465	>	int k;
466	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
467	>	p1.purge();
468	>	long count = p1.getTaskCount();
469	>	if (count >= 0 && count <= max)
470	>	break;
471	>	Thread.sleep(1);
472	>	}
473	>	assertTrue(k < SMALL_DELAY_MS);
474	>	} finally {
475	>	joinPool(p1);
476	>	}
477	>	}
478	>
479	>	/**
480	>	*  shutDownNow returns a list containing tasks that were not run
481	>	*/
482	>	public void testShutDownNow() throws InterruptedException {
483	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
484	>	for (int i = 0; i < 5; i++)
485	>	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
486	>	List l;
487	>	try {
488	>	l = p1.shutdownNow();
489	>	} catch (SecurityException ok) {
490	>	return;
491	>	}
492	>	assertTrue(p1.isShutdown());
493	>	assertTrue(l.size() > 0 && l.size() <= 5);
494	>	joinPool(p1);
495	>	}
496	>
497	>	/**
498	>	* In default setting, shutdown cancels periodic but not delayed
499	>	* tasks at shutdown
500	>	*/
501	>	public void testShutDown1() throws InterruptedException {
502	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
503	>	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
504	>	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
505	>
506	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
507	>	for (int i = 0; i < 5; i++)
508	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
509	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
510	>	BlockingQueue q = p1.getQueue();
511	>	for (Iterator it = q.iterator(); it.hasNext();) {
512	>	ScheduledFuture t = (ScheduledFuture)it.next();
513	>	assertFalse(t.isCancelled());
514	>	}
515	>	assertTrue(p1.isShutdown());
516	>	Thread.sleep(SMALL_DELAY_MS);
517	>	for (int i = 0; i < 5; ++i) {
518	>	assertTrue(tasks[i].isDone());
519	>	assertFalse(tasks[i].isCancelled());
520		}
336	–	assertEquals(5, one.getTaskCount());
337	–	joinPool(one);
521		}
522	<
522	>
523	>
524		/**
525	<	*   isShutDown gives correct values
525	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
526	>	* delayed tasks are cancelled at shutdown
527		*/
528	<	public void testIsShutdown(){
529	<
530	<	ScheduledExecutor one = new ScheduledExecutor(1);
528	>	public void testShutDown2() throws InterruptedException {
529	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
530	>	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
531	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
532	>	for (int i = 0; i < 5; i++)
533	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
534	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
535	>	assertTrue(p1.isShutdown());
536	>	BlockingQueue q = p1.getQueue();
537	>	assertTrue(q.isEmpty());
538	>	Thread.sleep(SMALL_DELAY_MS);
539	>	assertTrue(p1.isTerminated());
540	>	}
541	>
542	>
543	>	/**
544	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
545	>	* periodic tasks are not cancelled at shutdown
546	>	*/
547	>	public void testShutDown3() throws InterruptedException {
548	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
549	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
550	>	ScheduledFuture task =
551	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
552	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
553	>	assertTrue(p1.isShutdown());
554	>	BlockingQueue q = p1.getQueue();
555	>	assertTrue(q.isEmpty());
556	>	Thread.sleep(SHORT_DELAY_MS);
557	>	assertTrue(p1.isTerminated());
558	>	}
559	>
560	>	/**
561	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
562	>	* periodic tasks are cancelled at shutdown
563	>	*/
564	>	public void testShutDown4() throws InterruptedException {
565	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
566		try {
567	<	assertFalse(one.isShutdown());
567	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
568	>	ScheduledFuture task =
569	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
570	>	assertFalse(task.isCancelled());
571	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
572	>	assertFalse(task.isCancelled());
573	>	assertFalse(p1.isTerminated());
574	>	assertTrue(p1.isShutdown());
575	>	Thread.sleep(SHORT_DELAY_MS);
576	>	assertFalse(task.isCancelled());
577	>	assertTrue(task.cancel(true));
578	>	assertTrue(task.isDone());
579	>	Thread.sleep(SHORT_DELAY_MS);
580	>	assertTrue(p1.isTerminated());
581		}
582		finally {
583	<	one.shutdown();
583	>	joinPool(p1);
584		}
352	–	assertTrue(one.isShutdown());
585		}
586
355	–
587		/**
588	<	*   isTerminated gives correct values
358	<	*  Makes sure termination does not take an innapropriate
359	<	*  amount of time
588	>	* completed submit of callable returns result
589		*/
590	<	public void testIsTerminated(){
591	<	ScheduledExecutor one = new ScheduledExecutor(1);
590	>	public void testSubmitCallable() throws Exception {
591	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
592		try {
593	<	one.execute(new SmallRunnable());
593	>	Future<String> future = e.submit(new StringTask());
594	>	String result = future.get();
595	>	assertSame(TEST_STRING, result);
596		} finally {
597	<	one.shutdown();
597	>	joinPool(e);
598		}
599	+	}
600	+
601	+	/**
602	+	* completed submit of runnable returns successfully
603	+	*/
604	+	public void testSubmitRunnable() throws Exception {
605	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
606		try {
607	<	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
608	<	assertTrue(one.isTerminated());
609	<	} catch(Exception e){
610	<	fail("unexpected exception");
611	<	}
607	>	Future<?> future = e.submit(new NoOpRunnable());
608	>	future.get();
609	>	assertTrue(future.isDone());
610	>	} finally {
611	>	joinPool(e);
612	>	}
613		}
614
615		/**
616	<	*   that purge correctly removes cancelled tasks
378	<	*  from the queue
616	>	* completed submit of (runnable, result) returns result
617		*/
618	<	public void testPurge(){
619	<	ScheduledExecutor one = new ScheduledExecutor(1);
620	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
621	<	for(int i = 0; i < 5; i++){
622	<	tasks[i] = one.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
618	>	public void testSubmitRunnable2() throws Exception {
619	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
620	>	try {
621	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
622	>	String result = future.get();
623	>	assertSame(TEST_STRING, result);
624	>	} finally {
625	>	joinPool(e);
626		}
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);
627		}
628
629		/**
630	<	*   shutDownNow returns a list
397	<	*  containing the correct number of elements
630	>	* invokeAny(null) throws NPE
631		*/
632	<	public void testShutDownNow(){
633	<	ScheduledExecutor one = new ScheduledExecutor(1);
634	<	for(int i = 0; i < 5; i++)
635	<	one.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
636	<	List l = one.shutdownNow();
637	<	assertTrue(one.isShutdown());
638	<	assertTrue(l.size() > 0 && l.size() <= 5);
639	<	joinPool(one);
632	>	public void testInvokeAny1() throws Exception {
633	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
634	>	try {
635	>	e.invokeAny(null);
636	>	shouldThrow();
637	>	} catch (NullPointerException success) {
638	>	} finally {
639	>	joinPool(e);
640	>	}
641		}
642
643	<	public void testShutDown1(){
643	>	/**
644	>	* invokeAny(empty collection) throws IAE
645	>	*/
646	>	public void testInvokeAny2() throws Exception {
647	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
648		try {
649	<	ScheduledExecutor one = new ScheduledExecutor(1);
650	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
651	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
649	>	e.invokeAny(new ArrayList<Callable<String>>());
650	>	shouldThrow();
651	>	} catch (IllegalArgumentException success) {
652	>	} finally {
653	>	joinPool(e);
654	>	}
655	>	}
656
657	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
658	<	for(int i = 0; i < 5; i++)
659	<	tasks[i] = one.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
660	<	one.shutdown();
661	<	BlockingQueue q = one.getQueue();
662	<	for (Iterator it = q.iterator(); it.hasNext();) {
663	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
664	<	assertFalse(t.isCancelled());
665	<	}
666	<	assertTrue(one.isShutdown());
667	<	Thread.sleep(SMALL_DELAY_MS);
668	<	for (int i = 0; i < 5; ++i) {
669	<	assertTrue(tasks[i].isDone());
670	<	assertFalse(tasks[i].isCancelled());
671	<	}
672	<
657	>	/**
658	>	* invokeAny(c) throws NPE if c has null elements
659	>	*/
660	>	public void testInvokeAny3() throws Exception {
661	>	final CountDownLatch latch = new CountDownLatch(1);
662	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
663	>	try {
664	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
665	>	l.add(new Callable<String>() {
666	>	public String call() {
667	>	try {
668	>	latch.await();
669	>	} catch (InterruptedException quittingTime) {}
670	>	return TEST_STRING;
671	>	}});
672	>	l.add(null);
673	>	e.invokeAny(l);
674	>	shouldThrow();
675	>	} catch (NullPointerException success) {
676	>	} finally {
677	>	latch.countDown();
678	>	joinPool(e);
679		}
680	<	catch(Exception ex) {
681	<	fail("unexpected exception");
680	>	}
681	>
682	>	/**
683	>	* invokeAny(c) throws ExecutionException if no task completes
684	>	*/
685	>	public void testInvokeAny4() throws Exception {
686	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
687	>	try {
688	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
689	>	l.add(new NPETask());
690	>	e.invokeAny(l);
691	>	shouldThrow();
692	>	} catch (ExecutionException success) {
693	>	assertTrue(success.getCause() instanceof NullPointerException);
694	>	} finally {
695	>	joinPool(e);
696		}
697		}
698
699	+	/**
700	+	* invokeAny(c) returns result of some task
701	+	*/
702	+	public void testInvokeAny5() throws Exception {
703	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
704	+	try {
705	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
706	+	l.add(new StringTask());
707	+	l.add(new StringTask());
708	+	String result = e.invokeAny(l);
709	+	assertSame(TEST_STRING, result);
710	+	} finally {
711	+	joinPool(e);
712	+	}
713	+	}
714
715	<	public void testShutDown2(){
715	>	/**
716	>	* invokeAll(null) throws NPE
717	>	*/
718	>	public void testInvokeAll1() throws Exception {
719	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
720		try {
721	<	ScheduledExecutor one = new ScheduledExecutor(1);
722	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
723	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
724	<	for(int i = 0; i < 5; i++)
725	<	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());
721	>	e.invokeAll(null);
722	>	shouldThrow();
723	>	} catch (NullPointerException success) {
724	>	} finally {
725	>	joinPool(e);
726		}
727	<	catch(Exception ex) {
728	<	fail("unexpected exception");
727	>	}
728	>
729	>	/**
730	>	* invokeAll(empty collection) returns empty collection
731	>	*/
732	>	public void testInvokeAll2() throws Exception {
733	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
734	>	try {
735	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
736	>	assertTrue(r.isEmpty());
737	>	} finally {
738	>	joinPool(e);
739		}
740		}
741
742	+	/**
743	+	* invokeAll(c) throws NPE if c has null elements
744	+	*/
745	+	public void testInvokeAll3() throws Exception {
746	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
747	+	try {
748	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
749	+	l.add(new StringTask());
750	+	l.add(null);
751	+	e.invokeAll(l);
752	+	shouldThrow();
753	+	} catch (NullPointerException success) {
754	+	} finally {
755	+	joinPool(e);
756	+	}
757	+	}
758
759	<	public void testShutDown3(){
759	>	/**
760	>	* get of invokeAll(c) throws exception on failed task
761	>	*/
762	>	public void testInvokeAll4() throws Exception {
763	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
764		try {
765	<	ScheduledExecutor one = new ScheduledExecutor(1);
766	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
767	<	ScheduledCancellable task =
768	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
769	<	one.shutdown();
770	<	assertTrue(one.isShutdown());
771	<	BlockingQueue q = one.getQueue();
772	<	assertTrue(q.isEmpty());
773	<	Thread.sleep(SHORT_DELAY_MS);
774	<	assertTrue(one.isTerminated());
765	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
766	>	l.add(new NPETask());
767	>	List<Future<String>> result = e.invokeAll(l);
768	>	assertEquals(1, result.size());
769	>	for (Future<String> future : result)
770	>	future.get();
771	>	shouldThrow();
772	>	} catch (ExecutionException success) {
773	>	assertTrue(success.getCause() instanceof NullPointerException);
774	>	} finally {
775	>	joinPool(e);
776		}
777	<	catch(Exception ex) {
778	<	fail("unexpected exception");
777	>	}
778	>
779	>	/**
780	>	* invokeAll(c) returns results of all completed tasks
781	>	*/
782	>	public void testInvokeAll5() throws Exception {
783	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
784	>	try {
785	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
786	>	l.add(new StringTask());
787	>	l.add(new StringTask());
788	>	List<Future<String>> result = e.invokeAll(l);
789	>	assertEquals(2, result.size());
790	>	for (Future<String> future : result)
791	>	assertSame(TEST_STRING, future.get());
792	>	} finally {
793	>	joinPool(e);
794		}
795		}
796
797	<	public void testShutDown4(){
798	<	ScheduledExecutor one = new ScheduledExecutor(1);
797	>	/**
798	>	* timed invokeAny(null) throws NPE
799	>	*/
800	>	public void testTimedInvokeAny1() throws Exception {
801	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
802		try {
803	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
804	<	ScheduledCancellable task =
805	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
806	<	assertFalse(task.isCancelled());
807	<	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());
803	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
804	>	shouldThrow();
805	>	} catch (NullPointerException success) {
806	>	} finally {
807	>	joinPool(e);
808		}
809	<	catch(Exception ex) {
810	<	fail("unexpected exception");
809	>	}
810	>
811	>	/**
812	>	* timed invokeAny(,,null) throws NPE
813	>	*/
814	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
815	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
816	>	try {
817	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
818	>	l.add(new StringTask());
819	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
820	>	shouldThrow();
821	>	} catch (NullPointerException success) {
822	>	} finally {
823	>	joinPool(e);
824		}
825	<	finally {
826	<	one.shutdownNow();
825	>	}
826	>
827	>	/**
828	>	* timed invokeAny(empty collection) throws IAE
829	>	*/
830	>	public void testTimedInvokeAny2() throws Exception {
831	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
832	>	try {
833	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
834	>	shouldThrow();
835	>	} catch (IllegalArgumentException success) {
836	>	} finally {
837	>	joinPool(e);
838	>	}
839	>	}
840	>
841	>	/**
842	>	* timed invokeAny(c) throws NPE if c has null elements
843	>	*/
844	>	public void testTimedInvokeAny3() throws Exception {
845	>	final CountDownLatch latch = new CountDownLatch(1);
846	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
847	>	try {
848	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
849	>	l.add(new Callable<String>() {
850	>	public String call() {
851	>	try {
852	>	latch.await();
853	>	} catch (InterruptedException quittingTime) {}
854	>	return TEST_STRING;
855	>	}});
856	>	l.add(null);
857	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
858	>	shouldThrow();
859	>	} catch (NullPointerException success) {
860	>	} finally {
861	>	latch.countDown();
862	>	joinPool(e);
863	>	}
864	>	}
865	>
866	>	/**
867	>	* timed invokeAny(c) throws ExecutionException if no task completes
868	>	*/
869	>	public void testTimedInvokeAny4() throws Exception {
870	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
871	>	try {
872	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
873	>	l.add(new NPETask());
874	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
875	>	shouldThrow();
876	>	} catch (ExecutionException success) {
877	>	assertTrue(success.getCause() instanceof NullPointerException);
878	>	} finally {
879	>	joinPool(e);
880	>	}
881	>	}
882	>
883	>	/**
884	>	* timed invokeAny(c) returns result of some task
885	>	*/
886	>	public void testTimedInvokeAny5() throws Exception {
887	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
888	>	try {
889	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
890	>	l.add(new StringTask());
891	>	l.add(new StringTask());
892	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
893	>	assertSame(TEST_STRING, result);
894	>	} finally {
895	>	joinPool(e);
896	>	}
897	>	}
898	>
899	>	/**
900	>	* timed invokeAll(null) throws NPE
901	>	*/
902	>	public void testTimedInvokeAll1() throws Exception {
903	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
904	>	try {
905	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
906	>	shouldThrow();
907	>	} catch (NullPointerException success) {
908	>	} finally {
909	>	joinPool(e);
910	>	}
911	>	}
912	>
913	>	/**
914	>	* timed invokeAll(,,null) throws NPE
915	>	*/
916	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
917	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
918	>	try {
919	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
920	>	l.add(new StringTask());
921	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
922	>	shouldThrow();
923	>	} catch (NullPointerException success) {
924	>	} finally {
925	>	joinPool(e);
926	>	}
927	>	}
928	>
929	>	/**
930	>	* timed invokeAll(empty collection) returns empty collection
931	>	*/
932	>	public void testTimedInvokeAll2() throws Exception {
933	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
934	>	try {
935	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
936	>	assertTrue(r.isEmpty());
937	>	} finally {
938	>	joinPool(e);
939	>	}
940	>	}
941	>
942	>	/**
943	>	* timed invokeAll(c) throws NPE if c has null elements
944	>	*/
945	>	public void testTimedInvokeAll3() throws Exception {
946	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
947	>	try {
948	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
949	>	l.add(new StringTask());
950	>	l.add(null);
951	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
952	>	shouldThrow();
953	>	} catch (NullPointerException success) {
954	>	} finally {
955	>	joinPool(e);
956	>	}
957	>	}
958	>
959	>	/**
960	>	* get of element of invokeAll(c) throws exception on failed task
961	>	*/
962	>	public void testTimedInvokeAll4() throws Exception {
963	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
964	>	try {
965	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
966	>	l.add(new NPETask());
967	>	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
968	>	assertEquals(1, result.size());
969	>	for (Future<String> future : result)
970	>	future.get();
971	>	shouldThrow();
972	>	} catch (ExecutionException success) {
973	>	assertTrue(success.getCause() instanceof NullPointerException);
974	>	} finally {
975	>	joinPool(e);
976		}
977		}
978
979	+	/**
980	+	* timed invokeAll(c) returns results of all completed tasks
981	+	*/
982	+	public void testTimedInvokeAll5() throws Exception {
983	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
984	+	try {
985	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
986	+	l.add(new StringTask());
987	+	l.add(new StringTask());
988	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
989	+	assertEquals(2, result.size());
990	+	for (Future<String> future : result)
991	+	assertSame(TEST_STRING, future.get());
992	+	} finally {
993	+	joinPool(e);
994	+	}
995	+	}
996	+
997	+	/**
998	+	* timed invokeAll(c) cancels tasks not completed by timeout
999	+	*/
1000	+	public void testTimedInvokeAll6() throws Exception {
1001	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1002	+	try {
1003	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1004	+	l.add(new StringTask());
1005	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1006	+	l.add(new StringTask());
1007	+	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1008	+	assertEquals(3, result.size());
1009	+	Iterator<Future<String>> it = result.iterator();
1010	+	Future<String> f1 = it.next();
1011	+	Future<String> f2 = it.next();
1012	+	Future<String> f3 = it.next();
1013	+	assertTrue(f1.isDone());
1014	+	assertTrue(f2.isDone());
1015	+	assertTrue(f3.isDone());
1016	+	assertFalse(f1.isCancelled());
1017	+	assertTrue(f2.isCancelled());
1018	+	} finally {
1019	+	joinPool(e);
1020	+	}
1021	+	}
1022	+
1023	+
1024		}

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