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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.3 by dl, Mon Sep 8 12:12:42 2003 UTC vs.
Revision 1.20 by dl, Thu Jan 22 14:39:25 2004 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 java.util.concurrent.atomic.*;
13
14	<	public class ScheduledExecutorTest extends TestCase{
13	<
14	<	boolean flag = false;
15	<
14	>	public class ScheduledExecutorTest extends JSR166TestCase {
15		public static void main(String[] args) {
16		junit.textui.TestRunner.run (suite());
17		}
19	–
20	–
18		public static Test suite() {
19		return new TestSuite(ScheduledExecutorTest.class);
20		}
21
25	–	private static long SHORT_DELAY_MS = 100;
26	–	private static long MEDIUM_DELAY_MS = 1000;
27	–	private static long LONG_DELAY_MS = 10000;
28	–
29	–	static class MyRunnable implements Runnable {
30	–	volatile boolean waiting = true;
31	–	volatile boolean done = false;
32	–	public void run(){
33	–	try{
34	–	Thread.sleep(SHORT_DELAY_MS);
35	–	waiting = false;
36	–	done = true;
37	–	} catch(Exception e){
38	–	}
39	–	}
40	–	}
41	–
42	–	static class MyCallable implements Callable {
43	–	volatile boolean waiting = true;
44	–	volatile boolean done = false;
45	–	public Object call(){
46	–	try{
47	–	Thread.sleep(SHORT_DELAY_MS);
48	–	waiting = false;
49	–	done = true;
50	–	}catch(Exception e){}
51	–	return Boolean.TRUE;
52	–	}
53	–	}
54	–
55	–	public Runnable newRunnable(){
56	–	return new Runnable(){
57	–	public void run(){
58	–	try{Thread.sleep(SHORT_DELAY_MS);
59	–	} catch(Exception e){
60	–	}
61	–	}
62	–	};
63	–	}
64	–
65	–	public Runnable newNoopRunnable() {
66	–	return new Runnable(){
67	–	public void run(){
68	–	}
69	–	};
70	–	}
22
23		/**
24	<	*  Test to verify execute successfully runs the given Runnable
25	<	*/
26	<	public void testExecute(){
27	<	try{
28	<	MyRunnable runnable =new MyRunnable();
29	<	ScheduledExecutor one = new ScheduledExecutor(1);
30	<	one.execute(runnable);
31	<	Thread.sleep(SHORT_DELAY_MS/2);
32	<	assertTrue(runnable.waiting);
33	<	one.shutdown();
34	<	try{
24	>	* execute successfully executes a runnable
25	>	*/
26	>	public void testExecute() {
27	>	try {
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	>	try {
35		Thread.sleep(MEDIUM_DELAY_MS);
36		} catch(InterruptedException e){
37	<	fail("unexpected exception");
37	>	unexpectedException();
38		}
88	–	assertFalse(runnable.waiting);
39		assertTrue(runnable.done);
40	<	one.shutdown();
40	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
41	>	joinPool(p1);
42		}
43		catch(Exception e){
44	<	fail("unexpected exception");
44	>	unexpectedException();
45		}
46	+
47		}
48
49	+
50		/**
51	<	*  Test to verify schedule successfully runs the given Callable.
99	<	*  The waiting flag shows that the Callable is not started until
100	<	*  immediately.
51	>	* delayed schedule of callable successfully executes after delay
52		*/
53	<	public void testSchedule1(){
54	<	try{
55	<	MyCallable callable = new MyCallable();
56	<	ScheduledExecutor one = new ScheduledExecutor(1);
57	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
58	<	assertTrue(callable.waiting);
53	>	public void testSchedule1() {
54	>	try {
55	>	TrackedCallable callable = new TrackedCallable();
56	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
57	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
58	>	assertFalse(callable.done);
59		Thread.sleep(MEDIUM_DELAY_MS);
60		assertTrue(callable.done);
61		assertEquals(Boolean.TRUE, f.get());
62	<	one.shutdown();
63	<	}catch(RejectedExecutionException e){}
62	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
63	>	joinPool(p1);
64	>	} catch(RejectedExecutionException e){}
65		catch(Exception e){
66	<	fail("unexpected exception");
66	>	e.printStackTrace();
67	>	unexpectedException();
68		}
69		}
70
71		/**
72	<	*  Another version of schedule, only using Runnable instead of Callable
72	>	*  delayed schedule of runnable successfully executes after delay
73		*/
74	<	public void testSchedule3(){
75	<	try{
76	<	MyRunnable runnable = new MyRunnable();
77	<	ScheduledExecutor one = new ScheduledExecutor(1);
78	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
79	<	Thread.sleep(SHORT_DELAY_MS/2);
80	<	assertTrue(runnable.waiting);
74	>	public void testSchedule3() {
75	>	try {
76	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
77	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
78	>	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
79	>	Thread.sleep(SHORT_DELAY_MS);
80	>	assertFalse(runnable.done);
81		Thread.sleep(MEDIUM_DELAY_MS);
82		assertTrue(runnable.done);
83	<	one.shutdown();
83	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
84	>	joinPool(p1);
85		} catch(Exception e){
86	<	fail("unexpected exception");
86	>	unexpectedException();
87		}
88		}
89
90		/**
91	<	*  The final version of schedule, using both long, TimeUnit and Runnable
91	>	* scheduleAtFixedRate executes runnable after given initial delay
92		*/
93	<	public void testSchedule4(){
94	<	try{
95	<	MyRunnable runnable = new MyRunnable();
96	<	ScheduledExecutor one = new ScheduledExecutor(1);
97	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
98	<	//      Thread.sleep(505);
145	<	assertTrue(runnable.waiting);
93	>	public void testSchedule4() {
94	>	try {
95	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
96	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
97	>	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
98	>	assertFalse(runnable.done);
99		Thread.sleep(MEDIUM_DELAY_MS);
100		assertTrue(runnable.done);
101	<	one.shutdown();
101	>	h.cancel(true);
102	>	joinPool(p1);
103		} catch(Exception e){
104	<	fail("unexpected exception");
104	>	unexpectedException();
105		}
106		}
107	<
108	<
109	<	// exception tests
107	>
108	>	static class RunnableCounter implements Runnable {
109	>	AtomicInteger count = new AtomicInteger(0);
110	>	public void run() { count.getAndIncrement(); }
111	>	}
112
113		/**
114	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
159	<	*  This occurs on an attempt to schedule a task on a shutdown executor
114	>	* scheduleWithFixedDelay executes runnable after given initial delay
115		*/
116	<	public void testSchedule1_RejectedExecutionException(){
117	<	try{
118	<	ScheduledExecutor se = new ScheduledExecutor(1);
119	<	se.shutdown();
120	<	se.schedule(new Runnable(){
121	<	public void run(){}
122	<	}, 10000, TimeUnit.MILLISECONDS);
123	<	fail("shoud throw");
124	<	}catch(RejectedExecutionException e){}
116	>	public void testSchedule5() {
117	>	try {
118	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
119	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
120	>	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
121	>	assertFalse(runnable.done);
122	>	Thread.sleep(MEDIUM_DELAY_MS);
123	>	assertTrue(runnable.done);
124	>	h.cancel(true);
125	>	joinPool(p1);
126	>	} catch(Exception e){
127	>	unexpectedException();
128	>	}
129	>	}
130	>
131	>	/**
132	>	* scheduleAtFixedRate executes series of tasks at given rate
133	>	*/
134	>	public void testFixedRateSequence() {
135	>	try {
136	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
137	>	RunnableCounter counter = new RunnableCounter();
138	>	ScheduledFuture h =
139	>	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
140	>	Thread.sleep(SMALL_DELAY_MS);
141	>	h.cancel(true);
142	>	int c = counter.count.get();
143	>	// By time scaling conventions, we must have at least
144	>	// an execution per SHORT delay, but no more than one SHORT more
145	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
146	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
147	>	assertTrue(h.isDone());
148	>	joinPool(p1);
149	>	} catch(Exception e){
150	>	unexpectedException();
151	>	}
152		}
153
154		/**
155	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
155	>	* scheduleWithFixedDelay executes series of tasks with given period
156		*/
157	<	public void testSchedule2_RejectedExecutionException(){
158	<	try{
159	<	ScheduledExecutor se = new ScheduledExecutor(1);
160	<	se.shutdown();
161	<	se.schedule(new Callable(){
162	<	public Object call(){
163	<	return Boolean.TRUE;
164	<	}
165	<	}, (long)100, TimeUnit.SECONDS);
166	<	fail("should throw");
167	<	}catch(RejectedExecutionException e){}
157	>	public void testFixedDelaySequence() {
158	>	try {
159	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
160	>	RunnableCounter counter = new RunnableCounter();
161	>	ScheduledFuture h =
162	>	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
163	>	Thread.sleep(SMALL_DELAY_MS);
164	>	h.cancel(true);
165	>	int c = counter.count.get();
166	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
167	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
168	>	assertTrue(h.isDone());
169	>	joinPool(p1);
170	>	} catch(Exception e){
171	>	unexpectedException();
172	>	}
173		}
174
175	+
176		/**
177	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
178	<	*  This occurs on an attempt to schedule a task on a shutdown executor
179	<	*/
180	<	public void testSchedule3_RejectedExecutionException(){
181	<	try{
182	<	ScheduledExecutor se = new ScheduledExecutor(1);
183	<	se.shutdown();
184	<	se.schedule(new Callable(){
185	<	public Object call(){
186	<	return Boolean.TRUE;
187	<	}
188	<	},  10000, TimeUnit.MILLISECONDS);
189	<	fail("should throw");
190	<	}catch(RejectedExecutionException e){}
177	>	*  execute (null) throws NPE
178	>	*/
179	>	public void testExecuteNull() {
180	>	ScheduledThreadPoolExecutor se = null;
181	>	try {
182	>	se = new ScheduledThreadPoolExecutor(1);
183	>	se.execute(null);
184	>	shouldThrow();
185	>	} catch(NullPointerException success){}
186	>	catch(Exception e){
187	>	unexpectedException();
188	>	}
189	>
190	>	joinPool(se);
191		}
192
193		/**
194	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
195	<	*  RejectedExecutionException.
196	<	*  This occurs on an attempt to schedule a task on a shutdown executor
197	<	*/
198	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
199	<	try{
200	<	ScheduledExecutor se = new ScheduledExecutor(1);
201	<	se.shutdown();
202	<	se.scheduleAtFixedRate(new Runnable(){
203	<	public void run(){}
204	<	}, 100, 100, TimeUnit.SECONDS);
205	<	fail("should throw");
206	<	}catch(RejectedExecutionException e){}
194	>	* schedule (null) throws NPE
195	>	*/
196	>	public void testScheduleNull() {
197	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
198	>	try {
199	>	TrackedCallable callable = null;
200	>	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
201	>	shouldThrow();
202	>	} catch(NullPointerException success){}
203	>	catch(Exception e){
204	>	unexpectedException();
205	>	}
206	>	joinPool(se);
207		}
208	<
208	>
209		/**
210	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
211	<	*  RejectedExecutionException.
212	<	*  This occurs on an attempt to schedule a task on a shutdown executor
213	<	*/
214	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
228	<	try{
229	<	ScheduledExecutor se = new ScheduledExecutor(1);
210	>	* execute throws RejectedExecutionException if shutdown
211	>	*/
212	>	public void testSchedule1_RejectedExecutionException() {
213	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
214	>	try {
215		se.shutdown();
216	<	se.scheduleAtFixedRate(new Runnable(){
217	<	public void run(){}
218	<	},  1, 100, TimeUnit.SECONDS);
219	<	fail("should throw");
220	<	}catch(RejectedExecutionException e){}
216	>	se.schedule(new NoOpRunnable(),
217	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
218	>	shouldThrow();
219	>	} catch(RejectedExecutionException success){
220	>	} catch (SecurityException ok) {
221	>	}
222	>
223	>	joinPool(se);
224	>
225		}
226
227		/**
228	<	*  Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
240	<	*  RejectedExecutionException.
241	<	*  This occurs on an attempt to schedule a task on a shutdown executor
228	>	* schedule throws RejectedExecutionException if shutdown
229		*/
230	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
231	<	try{
232	<	ScheduledExecutor se = new ScheduledExecutor(1);
230	>	public void testSchedule2_RejectedExecutionException() {
231	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
232	>	try {
233		se.shutdown();
234	<	se.scheduleWithFixedDelay(new Runnable(){
235	<	public void run(){}
236	<	}, 100, 100, TimeUnit.SECONDS);
237	<	fail("should throw");
238	<	}catch(RejectedExecutionException e){}
234	>	se.schedule(new NoOpCallable(),
235	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
236	>	shouldThrow();
237	>	} catch(RejectedExecutionException success){
238	>	} catch (SecurityException ok) {
239	>	}
240	>	joinPool(se);
241		}
242
243		/**
244	<	*  Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
256	<	*  RejectedExecutionException.
257	<	*  This occurs on an attempt to schedule a task on a shutdown executor
244	>	* schedule callable throws RejectedExecutionException if shutdown
245		*/
246	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
247	<	try{
248	<	ScheduledExecutor se = new ScheduledExecutor(1);
246	>	public void testSchedule3_RejectedExecutionException() {
247	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
248	>	try {
249		se.shutdown();
250	<	se.scheduleWithFixedDelay(new Runnable(){
251	<	public void run(){}
252	<	},  1, 100, TimeUnit.SECONDS);
253	<	fail("should throw");
254	<	}catch(RejectedExecutionException e){}
250	>	se.schedule(new NoOpCallable(),
251	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
252	>	shouldThrow();
253	>	} catch(RejectedExecutionException success){
254	>	} catch (SecurityException ok) {
255	>	}
256	>	joinPool(se);
257		}
258
259		/**
260	<	*  Test to verify execute throws RejectedExecutionException
272	<	*  This occurs on an attempt to schedule a task on a shutdown executor
260	>	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
261		*/
262	<	public void testExecute_RejectedExecutionException(){
263	<	try{
264	<	ScheduledExecutor se = new ScheduledExecutor(1);
262	>	public void testScheduleAtFixedRate1_RejectedExecutionException() {
263	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
264	>	try {
265		se.shutdown();
266	<	se.execute(new Runnable(){
267	<	public void run(){}
268	<	});
269	<	fail("should throw");
270	<	}catch(RejectedExecutionException e){}
266	>	se.scheduleAtFixedRate(new NoOpRunnable(),
267	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
268	>	shouldThrow();
269	>	} catch(RejectedExecutionException success){
270	>	} catch (SecurityException ok) {
271	>	}
272	>	joinPool(se);
273		}
274	<
285	<
286	<
274	>
275		/**
276	<	*  Test to verify getActiveCount gives correct values
276	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
277		*/
278	<	public void testGetActiveCount(){
279	<	ScheduledExecutor two = new ScheduledExecutor(2);
278	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
279	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
280		try {
281	<	assertEquals(0, two.getActiveCount());
282	<	two.execute(newRunnable());
283	<	try{
284	<	Thread.sleep(SHORT_DELAY_MS/2);
285	<	} catch(Exception e){
286	<	fail("unexpected exception");
287	<	}
288	<	assertEquals(1, two.getActiveCount());
289	<	} finally {
290	<	two.shutdown();
281	>	se.shutdown();
282	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
283	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
284	>	shouldThrow();
285	>	} catch(RejectedExecutionException success){
286	>	} catch (SecurityException ok) {
287	>	}
288	>	joinPool(se);
289	>	}
290	>
291	>	/**
292	>	*  getActiveCount increases but doesn't overestimate, when a
293	>	*  thread becomes active
294	>	*/
295	>	public void testGetActiveCount() {
296	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
297	>	assertEquals(0, p2.getActiveCount());
298	>	p2.execute(new SmallRunnable());
299	>	try {
300	>	Thread.sleep(SHORT_DELAY_MS);
301	>	} catch(Exception e){
302	>	unexpectedException();
303		}
304	+	assertEquals(1, p2.getActiveCount());
305	+	joinPool(p2);
306		}
307
308		/**
309	<	*  Test to verify getCompleteTaskCount gives correct values
309	>	*    getCompletedTaskCount increases, but doesn't overestimate,
310	>	*   when tasks complete
311		*/
312	<	public void testGetCompletedTaskCount(){
313	<	ScheduledExecutor two = new ScheduledExecutor(2);
312	>	public void testGetCompletedTaskCount() {
313	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
314	>	assertEquals(0, p2.getCompletedTaskCount());
315	>	p2.execute(new SmallRunnable());
316		try {
317	<	assertEquals(0, two.getCompletedTaskCount());
318	<	two.execute(newRunnable());
319	<	try{
315	<	Thread.sleep(MEDIUM_DELAY_MS/2);
316	<	} catch(Exception e){
317	<	fail("unexpected exception");
318	<	}
319	<	assertEquals(1, two.getCompletedTaskCount());
320	<	} finally {
321	<	two.shutdown();
317	>	Thread.sleep(MEDIUM_DELAY_MS);
318	>	} catch(Exception e){
319	>	unexpectedException();
320		}
321	+	assertEquals(1, p2.getCompletedTaskCount());
322	+	joinPool(p2);
323		}
324
325		/**
326	<	*  Test to verify getCorePoolSize gives correct values
326	>	*  getCorePoolSize returns size given in constructor if not otherwise set
327		*/
328	<	public void testGetCorePoolSize(){
329	<	ScheduledExecutor one = new ScheduledExecutor(1);
330	<	try {
331	<	assertEquals(1, one.getCorePoolSize());
332	<	} finally {
333	<	one.shutdown();
334	<	}
328	>	public void testGetCorePoolSize() {
329	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
330	>	assertEquals(1, p1.getCorePoolSize());
331	>	joinPool(p1);
332		}
333
334		/**
335	<	*  Test to verify getLargestPoolSize gives correct values
335	>	*    getLargestPoolSize increases, but doesn't overestimate, when
336	>	*   multiple threads active
337		*/
338	<	public void testGetLargestPoolSize(){
339	<	ScheduledExecutor two = new ScheduledExecutor(2);
338	>	public void testGetLargestPoolSize() {
339	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
340	>	assertEquals(0, p2.getLargestPoolSize());
341	>	p2.execute(new SmallRunnable());
342	>	p2.execute(new SmallRunnable());
343		try {
344	<	assertEquals(0, two.getLargestPoolSize());
345	<	two.execute(newRunnable());
346	<	two.execute(newRunnable());
346	<	try{
347	<	Thread.sleep(SHORT_DELAY_MS/2);
348	<	} catch(Exception e){
349	<	fail("unexpected exception");
350	<	}
351	<	assertEquals(2, two.getLargestPoolSize());
352	<	} finally {
353	<	two.shutdown();
344	>	Thread.sleep(SHORT_DELAY_MS);
345	>	} catch(Exception e){
346	>	unexpectedException();
347		}
348	+	assertEquals(2, p2.getLargestPoolSize());
349	+	joinPool(p2);
350		}
351
352		/**
353	<	*  Test to verify getPoolSize gives correct values
353	>	*   getPoolSize increases, but doesn't overestimate, when threads
354	>	*   become active
355		*/
356	<	public void testGetPoolSize(){
357	<	ScheduledExecutor one = new ScheduledExecutor(1);
358	<	try {
359	<	assertEquals(0, one.getPoolSize());
360	<	one.execute(newRunnable());
361	<	assertEquals(1, one.getPoolSize());
366	<	} finally {
367	<	one.shutdown();
368	<	}
356	>	public void testGetPoolSize() {
357	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
358	>	assertEquals(0, p1.getPoolSize());
359	>	p1.execute(new SmallRunnable());
360	>	assertEquals(1, p1.getPoolSize());
361	>	joinPool(p1);
362		}
363
364		/**
365	<	*  Test to verify getTaskCount gives correct values
365	>	*    getTaskCount increases, but doesn't overestimate, when tasks
366	>	*    submitted
367		*/
368	<	public void testGetTaskCount(){
369	<	ScheduledExecutor one = new ScheduledExecutor(1);
368	>	public void testGetTaskCount() {
369	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
370	>	assertEquals(0, p1.getTaskCount());
371	>	for(int i = 0; i < 5; i++)
372	>	p1.execute(new SmallRunnable());
373		try {
374	<	assertEquals(0, one.getTaskCount());
375	<	for(int i = 0; i < 5; i++)
376	<	one.execute(newRunnable());
377	<	try{
378	<	Thread.sleep(SHORT_DELAY_MS/2);
379	<	} catch(Exception e){
380	<	fail("unexpected exception");
381	<	}
382	<	assertEquals(5, one.getTaskCount());
374	>	Thread.sleep(SHORT_DELAY_MS);
375	>	} catch(Exception e){
376	>	unexpectedException();
377	>	}
378	>	assertEquals(5, p1.getTaskCount());
379	>	joinPool(p1);
380	>	}
381	>
382	>	/**
383	>	* getThreadFactory returns factory in constructor if not set
384	>	*/
385	>	public void testGetThreadFactory() {
386	>	ThreadFactory tf = new SimpleThreadFactory();
387	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
388	>	assertSame(tf, p.getThreadFactory());
389	>	joinPool(p);
390	>	}
391	>
392	>	/**
393	>	* setThreadFactory sets the thread factory returned by getThreadFactory
394	>	*/
395	>	public void testSetThreadFactory() {
396	>	ThreadFactory tf = new SimpleThreadFactory();
397	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
398	>	p.setThreadFactory(tf);
399	>	assertSame(tf, p.getThreadFactory());
400	>	joinPool(p);
401	>	}
402	>
403	>	/**
404	>	* setThreadFactory(null) throws NPE
405	>	*/
406	>	public void testSetThreadFactoryNull() {
407	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
408	>	try {
409	>	p.setThreadFactory(null);
410	>	shouldThrow();
411	>	} catch (NullPointerException success) {
412		} finally {
413	<	one.shutdown();
413	>	joinPool(p);
414		}
415		}
416
417		/**
418	<	*  Test to verify isShutDown gives correct values
418	>	*   is isShutDown is false before shutdown, true after
419		*/
420	<	public void testIsShutdown(){
420	>	public void testIsShutdown() {
421
422	<	ScheduledExecutor one = new ScheduledExecutor(1);
422	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
423		try {
424	<	assertFalse(one.isShutdown());
424	>	assertFalse(p1.isShutdown());
425		}
426		finally {
427	<	one.shutdown();
427	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
428		}
429	<	assertTrue(one.isShutdown());
429	>	assertTrue(p1.isShutdown());
430		}
431
432
433		/**
434	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
434	>	*   isTerminated is false before termination, true after
435		*/
436	<	public void testIsTerminated(){
437	<	ScheduledExecutor one = new ScheduledExecutor(1);
436	>	public void testIsTerminated() {
437	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
438		try {
439	<	one.execute(newRunnable());
439	>	p1.execute(new SmallRunnable());
440		} finally {
441	<	one.shutdown();
441	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
442		}
443	<	boolean flag = false;
444	<	try{
445	<	flag = one.awaitTermination(10, TimeUnit.SECONDS);
443	>	try {
444	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
445	>	assertTrue(p1.isTerminated());
446		} catch(Exception e){
447	<	fail("unexpected exception");
447	>	unexpectedException();
448		}
425	–	assertTrue(one.isTerminated());
426	–	if(!flag)
427	–	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
449		}
450
451		/**
452	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
452	>	*  isTerminating is not true when running or when terminated
453		*/
454	<	public void testPurge(){
455	<	ScheduledExecutor one = new ScheduledExecutor(1);
454	>	public void testIsTerminating() {
455	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
456	>	assertFalse(p1.isTerminating());
457	>	try {
458	>	p1.execute(new SmallRunnable());
459	>	assertFalse(p1.isTerminating());
460	>	} finally {
461	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
462	>	}
463	>	try {
464	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
465	>	assertTrue(p1.isTerminated());
466	>	assertFalse(p1.isTerminating());
467	>	} catch(Exception e){
468	>	unexpectedException();
469	>	}
470	>	}
471	>
472	>	/**
473	>	* getQueue returns the work queue, which contains queued tasks
474	>	*/
475	>	public void testGetQueue() {
476	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
477	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
478	>	for(int i = 0; i < 5; i++){
479	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
480	>	}
481	>	try {
482	>	Thread.sleep(SHORT_DELAY_MS);
483	>	BlockingQueue<Runnable> q = p1.getQueue();
484	>	assertTrue(q.contains(tasks[4]));
485	>	assertFalse(q.contains(tasks[0]));
486	>	} catch(Exception e) {
487	>	unexpectedException();
488	>	} finally {
489	>	joinPool(p1);
490	>	}
491	>	}
492	>
493	>	/**
494	>	* remove(task) removes queued task, and fails to remove active task
495	>	*/
496	>	public void testRemove() {
497	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
498	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
499	>	for(int i = 0; i < 5; i++){
500	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
501	>	}
502	>	try {
503	>	Thread.sleep(SHORT_DELAY_MS);
504	>	BlockingQueue<Runnable> q = p1.getQueue();
505	>	assertFalse(p1.remove((Runnable)tasks[0]));
506	>	assertTrue(q.contains((Runnable)tasks[4]));
507	>	assertTrue(q.contains((Runnable)tasks[3]));
508	>	assertTrue(p1.remove((Runnable)tasks[4]));
509	>	assertFalse(p1.remove((Runnable)tasks[4]));
510	>	assertFalse(q.contains((Runnable)tasks[4]));
511	>	assertTrue(q.contains((Runnable)tasks[3]));
512	>	assertTrue(p1.remove((Runnable)tasks[3]));
513	>	assertFalse(q.contains((Runnable)tasks[3]));
514	>	} catch(Exception e) {
515	>	unexpectedException();
516	>	} finally {
517	>	joinPool(p1);
518	>	}
519	>	}
520	>
521	>	/**
522	>	*  purge removes cancelled tasks from the queue
523	>	*/
524	>	public void testPurge() {
525	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
526	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
527	>	for(int i = 0; i < 5; i++){
528	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
529	>	}
530		try {
437	–	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
438	–	for(int i = 0; i < 5; i++){
439	–	tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS);
440	–	}
531		int max = 5;
532		if (tasks[4].cancel(true)) --max;
533		if (tasks[3].cancel(true)) --max;
534	<	one.purge();
535	<	long count = one.getTaskCount();
536	<	assertTrue(count > 0 && count <= max);
534	>	// There must eventually be an interference-free point at
535	>	// which purge will not fail. (At worst, when queue is empty.)
536	>	int k;
537	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
538	>	p1.purge();
539	>	long count = p1.getTaskCount();
540	>	if (count >= 0 && count <= max)
541	>	break;
542	>	Thread.sleep(1);
543	>	}
544	>	assertTrue(k < SMALL_DELAY_MS);
545	>	} catch(Exception e) {
546	>	unexpectedException();
547		} finally {
548	<	one.shutdown();
548	>	joinPool(p1);
549		}
550		}
551
552		/**
553	<	*  Test to verify shutDownNow returns a list
454	<	*  containing the correct number of elements
553	>	*  shutDownNow returns a list containing tasks that were not run
554		*/
555	<	public void testShutDownNow(){
556	<	ScheduledExecutor one = new ScheduledExecutor(1);
555	>	public void testShutDownNow() {
556	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
557		for(int i = 0; i < 5; i++)
558	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
559	<	List l = one.shutdownNow();
560	<	assertTrue(one.isShutdown());
558	>	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
559	>	List l;
560	>	try {
561	>	l = p1.shutdownNow();
562	>	} catch (SecurityException ok) {
563	>	return;
564	>	}
565	>	assertTrue(p1.isShutdown());
566		assertTrue(l.size() > 0 && l.size() <= 5);
567	+	joinPool(p1);
568		}
569
570	<	public void testShutDown1(){
570	>	/**
571	>	* In default setting, shutdown cancels periodic but not delayed
572	>	* tasks at shutdown
573	>	*/
574	>	public void testShutDown1() {
575		try {
576	<	ScheduledExecutor one = new ScheduledExecutor(1);
577	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
578	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
576	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
577	>	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
578	>	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
579
580	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
580	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
581		for(int i = 0; i < 5; i++)
582	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
583	<	one.shutdown();
584	<	BlockingQueue q = one.getQueue();
582	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
583	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
584	>	BlockingQueue q = p1.getQueue();
585		for (Iterator it = q.iterator(); it.hasNext();) {
586	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
586	>	ScheduledFuture t = (ScheduledFuture)it.next();
587		assertFalse(t.isCancelled());
588		}
589	<	assertTrue(one.isShutdown());
590	<	Thread.sleep(SHORT_DELAY_MS);
589	>	assertTrue(p1.isShutdown());
590	>	Thread.sleep(SMALL_DELAY_MS);
591		for (int i = 0; i < 5; ++i) {
592		assertTrue(tasks[i].isDone());
593		assertFalse(tasks[i].isCancelled());
#	Line 486 | Line 595 | public class ScheduledExecutorTest exten
595
596		}
597		catch(Exception ex) {
598	<	fail("unexpected exception");
598	>	unexpectedException();
599		}
600		}
601
602
603	<	public void testShutDown2(){
603	>	/**
604	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
605	>	* delayed tasks are cancelled at shutdown
606	>	*/
607	>	public void testShutDown2() {
608		try {
609	<	ScheduledExecutor one = new ScheduledExecutor(1);
610	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
611	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
609	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
610	>	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
611	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
612		for(int i = 0; i < 5; i++)
613	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
614	<	one.shutdown();
615	<	assertTrue(one.isShutdown());
616	<	BlockingQueue q = one.getQueue();
613	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
614	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
615	>	assertTrue(p1.isShutdown());
616	>	BlockingQueue q = p1.getQueue();
617		assertTrue(q.isEmpty());
618	<	Thread.sleep(SHORT_DELAY_MS);
619	<	assertTrue(one.isTerminated());
618	>	Thread.sleep(SMALL_DELAY_MS);
619	>	assertTrue(p1.isTerminated());
620		}
621		catch(Exception ex) {
622	<	fail("unexpected exception");
622	>	unexpectedException();
623		}
624		}
625
626
627	<	public void testShutDown3(){
627	>	/**
628	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
629	>	* periodic tasks are not cancelled at shutdown
630	>	*/
631	>	public void testShutDown3() {
632		try {
633	<	ScheduledExecutor one = new ScheduledExecutor(1);
634	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
635	<	ScheduledCancellable task =
636	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
637	<	one.shutdown();
638	<	assertTrue(one.isShutdown());
639	<	BlockingQueue q = one.getQueue();
633	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
634	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
635	>	ScheduledFuture task =
636	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
637	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
638	>	assertTrue(p1.isShutdown());
639	>	BlockingQueue q = p1.getQueue();
640		assertTrue(q.isEmpty());
641		Thread.sleep(SHORT_DELAY_MS);
642	<	assertTrue(one.isTerminated());
642	>	assertTrue(p1.isTerminated());
643		}
644		catch(Exception ex) {
645	<	fail("unexpected exception");
645	>	unexpectedException();
646		}
647		}
648
649	<	public void testShutDown4(){
650	<	ScheduledExecutor one = new ScheduledExecutor(1);
649	>	/**
650	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
651	>	* periodic tasks are cancelled at shutdown
652	>	*/
653	>	public void testShutDown4() {
654	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
655		try {
656	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
657	<	ScheduledCancellable task =
658	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
656	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
657	>	ScheduledFuture task =
658	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
659		assertFalse(task.isCancelled());
660	<	one.shutdown();
660	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
661		assertFalse(task.isCancelled());
662	<	assertFalse(one.isTerminated());
663	<	assertTrue(one.isShutdown());
662	>	assertFalse(p1.isTerminated());
663	>	assertTrue(p1.isShutdown());
664		Thread.sleep(SHORT_DELAY_MS);
665		assertFalse(task.isCancelled());
666	<	task.cancel(true);
667	<	assertTrue(task.isCancelled());
666	>	assertTrue(task.cancel(true));
667	>	assertTrue(task.isDone());
668		Thread.sleep(SHORT_DELAY_MS);
669	<	assertTrue(one.isTerminated());
669	>	assertTrue(p1.isTerminated());
670		}
671		catch(Exception ex) {
672	<	fail("unexpected exception");
672	>	unexpectedException();
673		}
674	<	finally {
675	<	one.shutdownNow();
674	>	finally {
675	>	joinPool(p1);
676		}
677		}
678
679	+	/**
680	+	* completed submit of callable returns result
681	+	*/
682	+	public void testSubmitCallable() {
683	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
684	+	try {
685	+	Future<String> future = e.submit(new StringTask());
686	+	String result = future.get();
687	+	assertSame(TEST_STRING, result);
688	+	}
689	+	catch (ExecutionException ex) {
690	+	unexpectedException();
691	+	}
692	+	catch (InterruptedException ex) {
693	+	unexpectedException();
694	+	} finally {
695	+	joinPool(e);
696	+	}
697	+	}
698	+
699	+	/**
700	+	* completed submit of runnable returns successfully
701	+	*/
702	+	public void testSubmitRunnable() {
703	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
704	+	try {
705	+	Future<?> future = e.submit(new NoOpRunnable());
706	+	future.get();
707	+	assertTrue(future.isDone());
708	+	}
709	+	catch (ExecutionException ex) {
710	+	unexpectedException();
711	+	}
712	+	catch (InterruptedException ex) {
713	+	unexpectedException();
714	+	} finally {
715	+	joinPool(e);
716	+	}
717	+	}
718	+
719	+	/**
720	+	* completed submit of (runnable, result) returns result
721	+	*/
722	+	public void testSubmitRunnable2() {
723	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
724	+	try {
725	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
726	+	String result = future.get();
727	+	assertSame(TEST_STRING, result);
728	+	}
729	+	catch (ExecutionException ex) {
730	+	unexpectedException();
731	+	}
732	+	catch (InterruptedException ex) {
733	+	unexpectedException();
734	+	} finally {
735	+	joinPool(e);
736	+	}
737	+	}
738	+
739	+	/**
740	+	* invokeAny(null) throws NPE
741	+	*/
742	+	public void testInvokeAny1() {
743	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
744	+	try {
745	+	e.invokeAny(null);
746	+	} catch (NullPointerException success) {
747	+	} catch(Exception ex) {
748	+	unexpectedException();
749	+	} finally {
750	+	joinPool(e);
751	+	}
752	+	}
753	+
754	+	/**
755	+	* invokeAny(empty collection) throws IAE
756	+	*/
757	+	public void testInvokeAny2() {
758	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
759	+	try {
760	+	e.invokeAny(new ArrayList<Callable<String>>());
761	+	} catch (IllegalArgumentException success) {
762	+	} catch(Exception ex) {
763	+	unexpectedException();
764	+	} finally {
765	+	joinPool(e);
766	+	}
767	+	}
768	+
769	+	/**
770	+	* invokeAny(c) throws NPE if c has null elements
771	+	*/
772	+	public void testInvokeAny3() {
773	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
774	+	try {
775	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
776	+	l.add(new StringTask());
777	+	l.add(null);
778	+	e.invokeAny(l);
779	+	} catch (NullPointerException success) {
780	+	} catch(Exception ex) {
781	+	unexpectedException();
782	+	} finally {
783	+	joinPool(e);
784	+	}
785	+	}
786	+
787	+	/**
788	+	* invokeAny(c) throws ExecutionException if no task completes
789	+	*/
790	+	public void testInvokeAny4() {
791	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
792	+	try {
793	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
794	+	l.add(new NPETask());
795	+	e.invokeAny(l);
796	+	} catch (ExecutionException success) {
797	+	} catch(Exception ex) {
798	+	unexpectedException();
799	+	} finally {
800	+	joinPool(e);
801	+	}
802	+	}
803	+
804	+	/**
805	+	* invokeAny(c) returns result of some task
806	+	*/
807	+	public void testInvokeAny5() {
808	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
809	+	try {
810	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
811	+	l.add(new StringTask());
812	+	l.add(new StringTask());
813	+	String result = e.invokeAny(l);
814	+	assertSame(TEST_STRING, result);
815	+	} catch (ExecutionException success) {
816	+	} catch(Exception ex) {
817	+	unexpectedException();
818	+	} finally {
819	+	joinPool(e);
820	+	}
821	+	}
822	+
823	+	/**
824	+	* invokeAll(null) throws NPE
825	+	*/
826	+	public void testInvokeAll1() {
827	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
828	+	try {
829	+	e.invokeAll(null);
830	+	} catch (NullPointerException success) {
831	+	} catch(Exception ex) {
832	+	unexpectedException();
833	+	} finally {
834	+	joinPool(e);
835	+	}
836	+	}
837	+
838	+	/**
839	+	* invokeAll(empty collection) returns empty collection
840	+	*/
841	+	public void testInvokeAll2() {
842	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
843	+	try {
844	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
845	+	assertTrue(r.isEmpty());
846	+	} catch(Exception ex) {
847	+	unexpectedException();
848	+	} finally {
849	+	joinPool(e);
850	+	}
851	+	}
852	+
853	+	/**
854	+	* invokeAll(c) throws NPE if c has null elements
855	+	*/
856	+	public void testInvokeAll3() {
857	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
858	+	try {
859	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
860	+	l.add(new StringTask());
861	+	l.add(null);
862	+	e.invokeAll(l);
863	+	} catch (NullPointerException success) {
864	+	} catch(Exception ex) {
865	+	unexpectedException();
866	+	} finally {
867	+	joinPool(e);
868	+	}
869	+	}
870	+
871	+	/**
872	+	* get of invokeAll(c) throws exception on failed task
873	+	*/
874	+	public void testInvokeAll4() {
875	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
876	+	try {
877	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
878	+	l.add(new NPETask());
879	+	List<Future<String>> result = e.invokeAll(l);
880	+	assertEquals(1, result.size());
881	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
882	+	it.next().get();
883	+	} catch(ExecutionException success) {
884	+	} catch(Exception ex) {
885	+	unexpectedException();
886	+	} finally {
887	+	joinPool(e);
888	+	}
889	+	}
890	+
891	+	/**
892	+	* invokeAll(c) returns results of all completed tasks
893	+	*/
894	+	public void testInvokeAll5() {
895	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
896	+	try {
897	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
898	+	l.add(new StringTask());
899	+	l.add(new StringTask());
900	+	List<Future<String>> result = e.invokeAll(l);
901	+	assertEquals(2, result.size());
902	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
903	+	assertSame(TEST_STRING, it.next().get());
904	+	} catch (ExecutionException success) {
905	+	} catch(Exception ex) {
906	+	unexpectedException();
907	+	} finally {
908	+	joinPool(e);
909	+	}
910	+	}
911	+
912	+	/**
913	+	* timed invokeAny(null) throws NPE
914	+	*/
915	+	public void testTimedInvokeAny1() {
916	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
917	+	try {
918	+	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
919	+	} catch (NullPointerException success) {
920	+	} catch(Exception ex) {
921	+	unexpectedException();
922	+	} finally {
923	+	joinPool(e);
924	+	}
925	+	}
926	+
927	+	/**
928	+	* timed invokeAny(,,null) throws NPE
929	+	*/
930	+	public void testTimedInvokeAnyNullTimeUnit() {
931	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
932	+	try {
933	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
934	+	l.add(new StringTask());
935	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
936	+	} catch (NullPointerException success) {
937	+	} catch(Exception ex) {
938	+	unexpectedException();
939	+	} finally {
940	+	joinPool(e);
941	+	}
942	+	}
943	+
944	+	/**
945	+	* timed invokeAny(empty collection) throws IAE
946	+	*/
947	+	public void testTimedInvokeAny2() {
948	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
949	+	try {
950	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
951	+	} catch (IllegalArgumentException success) {
952	+	} catch(Exception ex) {
953	+	unexpectedException();
954	+	} finally {
955	+	joinPool(e);
956	+	}
957	+	}
958	+
959	+	/**
960	+	* timed invokeAny(c) throws NPE if c has null elements
961	+	*/
962	+	public void testTimedInvokeAny3() {
963	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
964	+	try {
965	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
966	+	l.add(new StringTask());
967	+	l.add(null);
968	+	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
969	+	} catch (NullPointerException success) {
970	+	} catch(Exception ex) {
971	+	ex.printStackTrace();
972	+	unexpectedException();
973	+	} finally {
974	+	joinPool(e);
975	+	}
976	+	}
977	+
978	+	/**
979	+	* timed invokeAny(c) throws ExecutionException if no task completes
980	+	*/
981	+	public void testTimedInvokeAny4() {
982	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
983	+	try {
984	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
985	+	l.add(new NPETask());
986	+	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
987	+	} catch(ExecutionException success) {
988	+	} catch(Exception ex) {
989	+	unexpectedException();
990	+	} finally {
991	+	joinPool(e);
992	+	}
993	+	}
994	+
995	+	/**
996	+	* timed invokeAny(c) returns result of some task
997	+	*/
998	+	public void testTimedInvokeAny5() {
999	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1000	+	try {
1001	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1002	+	l.add(new StringTask());
1003	+	l.add(new StringTask());
1004	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1005	+	assertSame(TEST_STRING, result);
1006	+	} catch (ExecutionException success) {
1007	+	} catch(Exception ex) {
1008	+	unexpectedException();
1009	+	} finally {
1010	+	joinPool(e);
1011	+	}
1012	+	}
1013	+
1014	+	/**
1015	+	* timed invokeAll(null) throws NPE
1016	+	*/
1017	+	public void testTimedInvokeAll1() {
1018	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1019	+	try {
1020	+	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1021	+	} catch (NullPointerException success) {
1022	+	} catch(Exception ex) {
1023	+	unexpectedException();
1024	+	} finally {
1025	+	joinPool(e);
1026	+	}
1027	+	}
1028	+
1029	+	/**
1030	+	* timed invokeAll(,,null) throws NPE
1031	+	*/
1032	+	public void testTimedInvokeAllNullTimeUnit() {
1033	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1034	+	try {
1035	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1036	+	l.add(new StringTask());
1037	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1038	+	} catch (NullPointerException success) {
1039	+	} catch(Exception ex) {
1040	+	unexpectedException();
1041	+	} finally {
1042	+	joinPool(e);
1043	+	}
1044	+	}
1045	+
1046	+	/**
1047	+	* timed invokeAll(empty collection) returns empty collection
1048	+	*/
1049	+	public void testTimedInvokeAll2() {
1050	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1051	+	try {
1052	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1053	+	assertTrue(r.isEmpty());
1054	+	} catch(Exception ex) {
1055	+	unexpectedException();
1056	+	} finally {
1057	+	joinPool(e);
1058	+	}
1059	+	}
1060	+
1061	+	/**
1062	+	* timed invokeAll(c) throws NPE if c has null elements
1063	+	*/
1064	+	public void testTimedInvokeAll3() {
1065	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1066	+	try {
1067	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1068	+	l.add(new StringTask());
1069	+	l.add(null);
1070	+	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1071	+	} catch (NullPointerException success) {
1072	+	} catch(Exception ex) {
1073	+	unexpectedException();
1074	+	} finally {
1075	+	joinPool(e);
1076	+	}
1077	+	}
1078	+
1079	+	/**
1080	+	* get of element of invokeAll(c) throws exception on failed task
1081	+	*/
1082	+	public void testTimedInvokeAll4() {
1083	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1084	+	try {
1085	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1086	+	l.add(new NPETask());
1087	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1088	+	assertEquals(1, result.size());
1089	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1090	+	it.next().get();
1091	+	} catch(ExecutionException success) {
1092	+	} catch(Exception ex) {
1093	+	unexpectedException();
1094	+	} finally {
1095	+	joinPool(e);
1096	+	}
1097	+	}
1098	+
1099	+	/**
1100	+	* timed invokeAll(c) returns results of all completed tasks
1101	+	*/
1102	+	public void testTimedInvokeAll5() {
1103	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1104	+	try {
1105	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1106	+	l.add(new StringTask());
1107	+	l.add(new StringTask());
1108	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1109	+	assertEquals(2, result.size());
1110	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1111	+	assertSame(TEST_STRING, it.next().get());
1112	+	} catch (ExecutionException success) {
1113	+	} catch(Exception ex) {
1114	+	unexpectedException();
1115	+	} finally {
1116	+	joinPool(e);
1117	+	}
1118	+	}
1119	+
1120	+	/**
1121	+	* timed invokeAll(c) cancels tasks not completed by timeout
1122	+	*/
1123	+	public void testTimedInvokeAll6() {
1124	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1125	+	try {
1126	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1127	+	l.add(new StringTask());
1128	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1129	+	l.add(new StringTask());
1130	+	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1131	+	assertEquals(3, result.size());
1132	+	Iterator<Future<String>> it = result.iterator();
1133	+	Future<String> f1 = it.next();
1134	+	Future<String> f2 = it.next();
1135	+	Future<String> f3 = it.next();
1136	+	assertTrue(f1.isDone());
1137	+	assertTrue(f2.isDone());
1138	+	assertTrue(f3.isDone());
1139	+	assertFalse(f1.isCancelled());
1140	+	assertTrue(f2.isCancelled());
1141	+	} catch(Exception ex) {
1142	+	unexpectedException();
1143	+	} finally {
1144	+	joinPool(e);
1145	+	}
1146	+	}
1147	+
1148	+
1149		}

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