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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 23:50:09 2003 UTC vs.
Revision 1.40 by jsr166, Sat May 7 19:34:51 2011 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	+	import java.util.concurrent.atomic.*;
14
15	<	public class ScheduledExecutorTest extends TestCase{
13	<
14	<	boolean flag = false;
15	<
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	–
20	–
19		public static Test suite() {
20	<	return new TestSuite(ScheduledExecutorTest.class);
20	>	return new TestSuite(ScheduledExecutorTest.class);
21		}
22
23	<	private static long SHORT_DELAY_MS = 100;
24	<	private static long MEDIUM_DELAY_MS = 1000;
25	<	private static long LONG_DELAY_MS = 10000;
26	<
27	<	static class MyRunnable implements Runnable {
28	<	volatile boolean waiting = true;
29	<	volatile boolean done = false;
30	<	public void run(){
31	<	try{
32	<	Thread.sleep(SHORT_DELAY_MS);
33	<	waiting = false;
34	<	done = true;
35	<	} catch(Exception e){
36	<	}
23	>
24	>	/**
25	>	* execute successfully executes a runnable
26	>	*/
27	>	public void testExecute() throws InterruptedException {
28	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
29	>	final CountDownLatch done = new CountDownLatch(1);
30	>	final Runnable task = new CheckedRunnable() {
31	>	public void realRun() {
32	>	done.countDown();
33	>	}};
34	>	try {
35	>	p.execute(task);
36	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
37	>	} finally {
38	>	joinPool(p);
39		}
40		}
41
42	<	static class MyCallable implements Callable {
43	<	volatile boolean 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;
42	>
43	>	/**
44	>	* delayed schedule of callable successfully executes after delay
45	>	*/
46	>	public void testSchedule1() throws Exception {
47	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
48	>	final long t0 = System.nanoTime();
49	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
50	>	final CountDownLatch done = new CountDownLatch(1);
51	>	try {
52	>	Callable task = new CheckedCallable<Boolean>() {
53	>	public Boolean realCall() {
54	>	done.countDown();
55	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
56	>	return Boolean.TRUE;
57	>	}};
58	>	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
59	>	assertEquals(Boolean.TRUE, f.get());
60	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
61	>	assertTrue(done.await(0L, MILLISECONDS));
62	>	} finally {
63	>	joinPool(p);
64		}
65		}
66
67	<	public Runnable newRunnable(){
68	<	return new Runnable(){
69	<	public void run(){
70	<	try{Thread.sleep(SHORT_DELAY_MS);
71	<	} catch(Exception e){
72	<	}
73	<	}
74	<	};
75	<	}
76	<
77	<	public Runnable newNoopRunnable() {
78	<	return new Runnable(){
79	<	public void run(){
80	<	}
81	<	};
67	>	/**
68	>	* delayed schedule of runnable successfully executes after delay
69	>	*/
70	>	public void testSchedule3() throws Exception {
71	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
72	>	final long t0 = System.nanoTime();
73	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
74	>	final CountDownLatch done = new CountDownLatch(1);
75	>	try {
76	>	Runnable task = new CheckedRunnable() {
77	>	public void realRun() {
78	>	done.countDown();
79	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
80	>	}};
81	>	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
82	>	assertNull(f.get());
83	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
84	>	assertTrue(done.await(0L, MILLISECONDS));
85	>	} finally {
86	>	joinPool(p);
87	>	}
88		}
89
90		/**
91	<	*  Test to verify execute successfully runs the given Runnable
92	<	*/
93	<	public void testExecute(){
94	<	try{
95	<	MyRunnable runnable =new MyRunnable();
96	<	ScheduledExecutor one = new ScheduledExecutor(1);
97	<	one.execute(runnable);
98	<	Thread.sleep(SHORT_DELAY_MS/2);
99	<	assertTrue(runnable.waiting);
100	<	one.shutdown();
101	<	try{
102	<	Thread.sleep(MEDIUM_DELAY_MS);
103	<	} catch(InterruptedException e){
104	<	fail("unexpected exception");
105	<	}
106	<	assertFalse(runnable.waiting);
107	<	assertTrue(runnable.done);
108	<	one.shutdown();
109	<	}
110	<	catch(Exception e){
111	<	fail("unexpected exception");
91	>	* scheduleAtFixedRate executes runnable after given initial delay
92	>	*/
93	>	public void testSchedule4() throws Exception {
94	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
95	>	final long t0 = System.nanoTime();
96	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
97	>	final CountDownLatch done = new CountDownLatch(1);
98	>	try {
99	>	Runnable task = new CheckedRunnable() {
100	>	public void realRun() {
101	>	done.countDown();
102	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
103	>	}};
104	>	ScheduledFuture f =
105	>	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
106	>	SHORT_DELAY_MS, MILLISECONDS);
107	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
108	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
109	>	f.cancel(true);
110	>	} finally {
111	>	joinPool(p);
112		}
113		}
114
115		/**
116	<	*  Test to verify schedule successfully runs the given Callable.
99	<	*  The waiting flag shows that the Callable is not started until
100	<	*  immediately.
116	>	* scheduleWithFixedDelay executes runnable after given initial delay
117		*/
118	<	public void testSchedule1(){
119	<	try{
120	<	MyCallable callable = new MyCallable();
121	<	ScheduledExecutor one = new ScheduledExecutor(1);
122	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
123	<	assertTrue(callable.waiting);
124	<	Thread.sleep(MEDIUM_DELAY_MS);
125	<	assertTrue(callable.done);
126	<	assertEquals(Boolean.TRUE, f.get());
127	<	one.shutdown();
128	<	}catch(RejectedExecutionException e){}
129	<	catch(Exception e){
130	<	fail("unexpected exception");
118	>	public void testSchedule5() throws InterruptedException {
119	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
120	>	final long t0 = System.nanoTime();
121	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
122	>	final CountDownLatch done = new CountDownLatch(1);
123	>	try {
124	>	Runnable task = new CheckedRunnable() {
125	>	public void realRun() {
126	>	done.countDown();
127	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
128	>	}};
129	>	ScheduledFuture f =
130	>	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
131	>	SHORT_DELAY_MS, MILLISECONDS);
132	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
133	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
134	>	f.cancel(true);
135	>	} finally {
136	>	joinPool(p);
137		}
138		}
139
140	+	static class RunnableCounter implements Runnable {
141	+	AtomicInteger count = new AtomicInteger(0);
142	+	public void run() { count.getAndIncrement(); }
143	+	}
144	+
145		/**
146	<	*  Another version of schedule, only using Runnable instead of Callable
146	>	* scheduleAtFixedRate executes series of tasks at given rate
147		*/
148	<	public void testSchedule3(){
149	<	try{
150	<	MyRunnable runnable = new MyRunnable();
151	<	ScheduledExecutor one = new ScheduledExecutor(1);
152	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
153	<	Thread.sleep(SHORT_DELAY_MS/2);
154	<	assertTrue(runnable.waiting);
155	<	Thread.sleep(MEDIUM_DELAY_MS);
156	<	assertTrue(runnable.done);
157	<	one.shutdown();
158	<	} catch(Exception e){
159	<	fail("unexpected exception");
160	<	}
148	>	public void testFixedRateSequence() throws InterruptedException {
149	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
150	>	RunnableCounter counter = new RunnableCounter();
151	>	ScheduledFuture h =
152	>	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
153	>	delay(SMALL_DELAY_MS);
154	>	h.cancel(true);
155	>	int c = counter.count.get();
156	>	// By time scaling conventions, we must have at least
157	>	// an execution per SHORT delay, but no more than one SHORT more
158	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
159	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
160	>	joinPool(p);
161		}
162	<
162	>
163		/**
164	<	*  The final version of schedule, using both long, TimeUnit and Runnable
164	>	* scheduleWithFixedDelay executes series of tasks with given period
165		*/
166	<	public void testSchedule4(){
167	<	try{
168	<	MyRunnable runnable = new MyRunnable();
169	<	ScheduledExecutor one = new ScheduledExecutor(1);
170	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
171	<	//      Thread.sleep(505);
172	<	assertTrue(runnable.waiting);
173	<	Thread.sleep(MEDIUM_DELAY_MS);
174	<	assertTrue(runnable.done);
175	<	one.shutdown();
176	<	} catch(Exception e){
150	<	fail("unexpected exception");
151	<	}
166	>	public void testFixedDelaySequence() throws InterruptedException {
167	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
168	>	RunnableCounter counter = new RunnableCounter();
169	>	ScheduledFuture h =
170	>	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
171	>	delay(SMALL_DELAY_MS);
172	>	h.cancel(true);
173	>	int c = counter.count.get();
174	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
175	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
176	>	joinPool(p);
177		}
178	<
154	<
155	<	// exception tests
178	>
179
180		/**
181	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
159	<	*  This occurs on an attempt to schedule a task on a shutdown executor
181	>	* execute(null) throws NPE
182		*/
183	<	public void testSchedule1_RejectedExecutionException(){
184	<	try{
185	<	ScheduledExecutor se = new ScheduledExecutor(1);
186	<	se.shutdown();
187	<	se.schedule(new Runnable(){
188	<	public void run(){}
189	<	}, 10000, TimeUnit.MILLISECONDS);
190	<	fail("shoud throw");
191	<	}catch(RejectedExecutionException e){}
183	>	public void testExecuteNull() throws InterruptedException {
184	>	ScheduledThreadPoolExecutor se = null;
185	>	try {
186	>	se = new ScheduledThreadPoolExecutor(1);
187	>	se.execute(null);
188	>	shouldThrow();
189	>	} catch (NullPointerException success) {}
190	>
191	>	joinPool(se);
192		}
193
194		/**
195	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
195	>	* schedule(null) throws NPE
196		*/
197	<	public void testSchedule2_RejectedExecutionException(){
198	<	try{
199	<	ScheduledExecutor se = new ScheduledExecutor(1);
200	<	se.shutdown();
201	<	se.schedule(new Callable(){
202	<	public Object call(){
203	<	return Boolean.TRUE;
204	<	}
184	<	}, (long)100, TimeUnit.SECONDS);
185	<	fail("should throw");
186	<	}catch(RejectedExecutionException e){}
197	>	public void testScheduleNull() throws InterruptedException {
198	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
199	>	try {
200	>	TrackedCallable callable = null;
201	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
202	>	shouldThrow();
203	>	} catch (NullPointerException success) {}
204	>	joinPool(se);
205		}
206
207		/**
208	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
209	<	*  This occurs on an attempt to schedule a task on a shutdown executor
210	<	*/
211	<	public void testSchedule3_RejectedExecutionException(){
212	<	try{
195	<	ScheduledExecutor se = new ScheduledExecutor(1);
208	>	* execute throws RejectedExecutionException if shutdown
209	>	*/
210	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
211	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
212	>	try {
213		se.shutdown();
214	<	se.schedule(new Callable(){
215	<	public Object call(){
216	<	return Boolean.TRUE;
217	<	}
218	<	},  10000, TimeUnit.MILLISECONDS);
219	<	fail("should throw");
220	<	}catch(RejectedExecutionException e){}
214	>	se.schedule(new NoOpRunnable(),
215	>	MEDIUM_DELAY_MS, MILLISECONDS);
216	>	shouldThrow();
217	>	} catch (RejectedExecutionException success) {
218	>	} catch (SecurityException ok) {
219	>	}
220	>
221	>	joinPool(se);
222		}
223
224		/**
225	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
226	<	*  RejectedExecutionException.
227	<	*  This occurs on an attempt to schedule a task on a shutdown executor
228	<	*/
229	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
212	<	try{
213	<	ScheduledExecutor se = new ScheduledExecutor(1);
214	<	se.shutdown();
215	<	se.scheduleAtFixedRate(new Runnable(){
216	<	public void run(){}
217	<	}, 100, 100, TimeUnit.SECONDS);
218	<	fail("should throw");
219	<	}catch(RejectedExecutionException e){}
220	<	}
221	<
222	<	/**
223	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
224	<	*  RejectedExecutionException.
225	<	*  This occurs on an attempt to schedule a task on a shutdown executor
226	<	*/
227	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
228	<	try{
229	<	ScheduledExecutor se = new ScheduledExecutor(1);
225	>	* schedule throws RejectedExecutionException if shutdown
226	>	*/
227	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
228	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
229	>	try {
230		se.shutdown();
231	<	se.scheduleAtFixedRate(new Runnable(){
232	<	public void run(){}
233	<	},  1, 100, TimeUnit.SECONDS);
234	<	fail("should throw");
235	<	}catch(RejectedExecutionException e){}
231	>	se.schedule(new NoOpCallable(),
232	>	MEDIUM_DELAY_MS, MILLISECONDS);
233	>	shouldThrow();
234	>	} catch (RejectedExecutionException success) {
235	>	} catch (SecurityException ok) {
236	>	}
237	>	joinPool(se);
238		}
239
240		/**
241	<	*  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
241	>	* schedule callable throws RejectedExecutionException if shutdown
242		*/
243	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
244	<	try{
245	<	ScheduledExecutor se = new ScheduledExecutor(1);
243	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
244	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
245	>	try {
246		se.shutdown();
247	<	se.scheduleWithFixedDelay(new Runnable(){
248	<	public void run(){}
249	<	}, 100, 100, TimeUnit.SECONDS);
250	<	fail("should throw");
251	<	}catch(RejectedExecutionException e){}
247	>	se.schedule(new NoOpCallable(),
248	>	MEDIUM_DELAY_MS, MILLISECONDS);
249	>	shouldThrow();
250	>	} catch (RejectedExecutionException success) {
251	>	} catch (SecurityException ok) {
252	>	}
253	>	joinPool(se);
254		}
255
256		/**
257	<	*  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
257	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
258		*/
259	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
260	<	try{
261	<	ScheduledExecutor se = new ScheduledExecutor(1);
259	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
260	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
261	>	try {
262		se.shutdown();
263	<	se.scheduleWithFixedDelay(new Runnable(){
264	<	public void run(){}
265	<	},  1, 100, TimeUnit.SECONDS);
266	<	fail("should throw");
267	<	}catch(RejectedExecutionException e){}
263	>	se.scheduleAtFixedRate(new NoOpRunnable(),
264	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
265	>	shouldThrow();
266	>	} catch (RejectedExecutionException success) {
267	>	} catch (SecurityException ok) {
268	>	}
269	>	joinPool(se);
270		}
271
272		/**
273	<	*  Test to verify execute throws RejectedExecutionException
272	<	*  This occurs on an attempt to schedule a task on a shutdown executor
273	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
274		*/
275	<	public void testExecute_RejectedExecutionException(){
276	<	try{
277	<	ScheduledExecutor se = new ScheduledExecutor(1);
275	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
276	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
277	>	try {
278		se.shutdown();
279	<	se.execute(new Runnable(){
280	<	public void run(){}
281	<	});
282	<	fail("should throw");
283	<	}catch(RejectedExecutionException e){}
279	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
280	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
281	>	shouldThrow();
282	>	} catch (RejectedExecutionException success) {
283	>	} catch (SecurityException ok) {
284	>	}
285	>	joinPool(se);
286		}
287
285	–
286	–
288		/**
289	<	*  Test to verify getActiveCount gives correct values
289	>	* getActiveCount increases but doesn't overestimate, when a
290	>	* thread becomes active
291		*/
292	<	public void testGetActiveCount(){
293	<	ScheduledExecutor two = new ScheduledExecutor(2);
292	>	public void testGetActiveCount() throws InterruptedException {
293	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
294	>	final CountDownLatch threadStarted = new CountDownLatch(1);
295	>	final CountDownLatch done = new CountDownLatch(1);
296		try {
297	<	assertEquals(0, two.getActiveCount());
298	<	two.execute(newRunnable());
299	<	try{
300	<	Thread.sleep(SHORT_DELAY_MS/2);
301	<	} catch(Exception e){
302	<	fail("unexpected exception");
303	<	}
304	<	assertEquals(1, two.getActiveCount());
297	>	assertEquals(0, p.getActiveCount());
298	>	p.execute(new CheckedRunnable() {
299	>	public void realRun() throws InterruptedException {
300	>	threadStarted.countDown();
301	>	assertEquals(1, p.getActiveCount());
302	>	done.await();
303	>	}});
304	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
305	>	assertEquals(1, p.getActiveCount());
306		} finally {
307	<	two.shutdown();
307	>	done.countDown();
308	>	joinPool(p);
309		}
310		}
311	<
311	>
312		/**
313	<	*  Test to verify getCompleteTaskCount gives correct values
313	>	* getCompletedTaskCount increases, but doesn't overestimate,
314	>	* when tasks complete
315		*/
316	<	public void testGetCompletedTaskCount(){
317	<	ScheduledExecutor two = new ScheduledExecutor(2);
316	>	public void testGetCompletedTaskCount() throws InterruptedException {
317	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
318	>	final CountDownLatch threadStarted = new CountDownLatch(1);
319	>	final CountDownLatch threadProceed = new CountDownLatch(1);
320	>	final CountDownLatch threadDone = new CountDownLatch(1);
321		try {
322	<	assertEquals(0, two.getCompletedTaskCount());
323	<	two.execute(newRunnable());
324	<	try{
325	<	Thread.sleep(MEDIUM_DELAY_MS);
326	<	} catch(Exception e){
327	<	fail("unexpected exception");
328	<	}
329	<	assertEquals(1, two.getCompletedTaskCount());
322	>	assertEquals(0, p.getCompletedTaskCount());
323	>	p.execute(new CheckedRunnable() {
324	>	public void realRun() throws InterruptedException {
325	>	threadStarted.countDown();
326	>	assertEquals(0, p.getCompletedTaskCount());
327	>	threadProceed.await();
328	>	threadDone.countDown();
329	>	}});
330	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
331	>	assertEquals(0, p.getCompletedTaskCount());
332	>	threadProceed.countDown();
333	>	threadDone.await();
334	>	delay(SHORT_DELAY_MS);
335	>	assertEquals(1, p.getCompletedTaskCount());
336		} finally {
337	<	two.shutdown();
337	>	joinPool(p);
338		}
339		}
340	<
340	>
341		/**
342	<	*  Test to verify getCorePoolSize gives correct values
342	>	* getCorePoolSize returns size given in constructor if not otherwise set
343		*/
344	<	public void testGetCorePoolSize(){
345	<	ScheduledExecutor one = new ScheduledExecutor(1);
344	>	public void testGetCorePoolSize() throws InterruptedException {
345	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
346	>	assertEquals(1, p.getCorePoolSize());
347	>	joinPool(p);
348	>	}
349	>
350	>	/**
351	>	* getLargestPoolSize increases, but doesn't overestimate, when
352	>	* multiple threads active
353	>	*/
354	>	public void testGetLargestPoolSize() throws InterruptedException {
355	>	final int THREADS = 3;
356	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
357	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
358	>	final CountDownLatch done = new CountDownLatch(1);
359		try {
360	<	assertEquals(1, one.getCorePoolSize());
360	>	assertEquals(0, p.getLargestPoolSize());
361	>	for (int i = 0; i < THREADS; i++)
362	>	p.execute(new CheckedRunnable() {
363	>	public void realRun() throws InterruptedException {
364	>	threadsStarted.countDown();
365	>	done.await();
366	>	assertEquals(THREADS, p.getLargestPoolSize());
367	>	}});
368	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
369	>	assertEquals(THREADS, p.getLargestPoolSize());
370		} finally {
371	<	one.shutdown();
371	>	done.countDown();
372	>	joinPool(p);
373	>	assertEquals(THREADS, p.getLargestPoolSize());
374		}
375		}
376	<
376	>
377		/**
378	<	*  Test to verify getLargestPoolSize gives correct values
378	>	* getPoolSize increases, but doesn't overestimate, when threads
379	>	* become active
380		*/
381	<	public void testGetLargestPoolSize(){
382	<	ScheduledExecutor two = new ScheduledExecutor(2);
381	>	public void testGetPoolSize() throws InterruptedException {
382	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
383	>	final CountDownLatch threadStarted = new CountDownLatch(1);
384	>	final CountDownLatch done = new CountDownLatch(1);
385		try {
386	<	assertEquals(0, two.getLargestPoolSize());
387	<	two.execute(newRunnable());
388	<	two.execute(newRunnable());
389	<	try{
390	<	Thread.sleep(SHORT_DELAY_MS);
391	<	} catch(Exception e){
392	<	fail("unexpected exception");
393	<	}
394	<	assertEquals(2, two.getLargestPoolSize());
386	>	assertEquals(0, p.getPoolSize());
387	>	p.execute(new CheckedRunnable() {
388	>	public void realRun() throws InterruptedException {
389	>	threadStarted.countDown();
390	>	assertEquals(1, p.getPoolSize());
391	>	done.await();
392	>	}});
393	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
394	>	assertEquals(1, p.getPoolSize());
395		} finally {
396	<	two.shutdown();
396	>	done.countDown();
397	>	joinPool(p);
398		}
399		}
400	<
400	>
401		/**
402	<	*  Test to verify getPoolSize gives correct values
402	>	* getTaskCount increases, but doesn't overestimate, when tasks
403	>	* submitted
404		*/
405	<	public void testGetPoolSize(){
406	<	ScheduledExecutor one = new ScheduledExecutor(1);
407	<	try {
408	<	assertEquals(0, one.getPoolSize());
409	<	one.execute(newRunnable());
410	<	assertEquals(1, one.getPoolSize());
405	>	public void testGetTaskCount() throws InterruptedException {
406	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
407	>	final CountDownLatch threadStarted = new CountDownLatch(1);
408	>	final CountDownLatch done = new CountDownLatch(1);
409	>	final int TASKS = 5;
410	>	try {
411	>	assertEquals(0, p.getTaskCount());
412	>	for (int i = 0; i < TASKS; i++)
413	>	p.execute(new CheckedRunnable() {
414	>	public void realRun() throws InterruptedException {
415	>	threadStarted.countDown();
416	>	done.await();
417	>	}});
418	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
419	>	assertEquals(TASKS, p.getTaskCount());
420		} finally {
421	<	one.shutdown();
421	>	done.countDown();
422	>	joinPool(p);
423		}
424		}
425	<
425	>
426	>	/**
427	>	* getThreadFactory returns factory in constructor if not set
428	>	*/
429	>	public void testGetThreadFactory() throws InterruptedException {
430	>	ThreadFactory tf = new SimpleThreadFactory();
431	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
432	>	assertSame(tf, p.getThreadFactory());
433	>	joinPool(p);
434	>	}
435	>
436		/**
437	<	*  Test to verify getTaskCount gives correct values
437	>	* setThreadFactory sets the thread factory returned by getThreadFactory
438		*/
439	<	public void testGetTaskCount(){
440	<	ScheduledExecutor one = new ScheduledExecutor(1);
439	>	public void testSetThreadFactory() throws InterruptedException {
440	>	ThreadFactory tf = new SimpleThreadFactory();
441	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
442	>	p.setThreadFactory(tf);
443	>	assertSame(tf, p.getThreadFactory());
444	>	joinPool(p);
445	>	}
446	>
447	>	/**
448	>	* setThreadFactory(null) throws NPE
449	>	*/
450	>	public void testSetThreadFactoryNull() throws InterruptedException {
451	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
452		try {
453	<	assertEquals(0, one.getTaskCount());
454	<	for(int i = 0; i < 5; i++)
455	<	one.execute(newRunnable());
380	<	try{
381	<	Thread.sleep(SHORT_DELAY_MS);
382	<	} catch(Exception e){
383	<	fail("unexpected exception");
384	<	}
385	<	assertEquals(5, one.getTaskCount());
453	>	p.setThreadFactory(null);
454	>	shouldThrow();
455	>	} catch (NullPointerException success) {
456		} finally {
457	<	one.shutdown();
457	>	joinPool(p);
458		}
459		}
460	<
460	>
461		/**
462	<	*  Test to verify isShutDown gives correct values
462	>	* isShutDown is false before shutdown, true after
463		*/
464	<	public void testIsShutdown(){
465	<
466	<	ScheduledExecutor one = new ScheduledExecutor(1);
464	>	public void testIsShutdown() {
465	>
466	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
467		try {
468	<	assertFalse(one.isShutdown());
468	>	assertFalse(p.isShutdown());
469		}
470		finally {
471	<	one.shutdown();
471	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
472	>	}
473	>	assertTrue(p.isShutdown());
474	>	}
475	>
476	>
477	>	/**
478	>	* isTerminated is false before termination, true after
479	>	*/
480	>	public void testIsTerminated() throws InterruptedException {
481	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
482	>	final CountDownLatch threadStarted = new CountDownLatch(1);
483	>	final CountDownLatch done = new CountDownLatch(1);
484	>	assertFalse(p.isTerminated());
485	>	try {
486	>	p.execute(new CheckedRunnable() {
487	>	public void realRun() throws InterruptedException {
488	>	assertFalse(p.isTerminated());
489	>	threadStarted.countDown();
490	>	done.await();
491	>	}});
492	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
493	>	assertFalse(p.isTerminating());
494	>	done.countDown();
495	>	} finally {
496	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
497		}
498	<	assertTrue(one.isShutdown());
498	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
499	>	assertTrue(p.isTerminated());
500		}
501
406	–
502		/**
503	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
503	>	* isTerminating is not true when running or when terminated
504		*/
505	<	public void testIsTerminated(){
506	<	ScheduledExecutor one = new ScheduledExecutor(1);
505	>	public void testIsTerminating() throws InterruptedException {
506	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
507	>	final CountDownLatch threadStarted = new CountDownLatch(1);
508	>	final CountDownLatch done = new CountDownLatch(1);
509		try {
510	<	one.execute(newRunnable());
510	>	assertFalse(p.isTerminating());
511	>	p.execute(new CheckedRunnable() {
512	>	public void realRun() throws InterruptedException {
513	>	assertFalse(p.isTerminating());
514	>	threadStarted.countDown();
515	>	done.await();
516	>	}});
517	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
518	>	assertFalse(p.isTerminating());
519	>	done.countDown();
520		} finally {
521	<	one.shutdown();
521	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
522		}
523	<	boolean flag = false;
524	<	try{
525	<	flag = one.awaitTermination(10, TimeUnit.SECONDS);
422	<	} catch(Exception e){
423	<	fail("unexpected exception");
424	<	}
425	<	assertTrue(one.isTerminated());
426	<	if(!flag)
427	<	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
523	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
524	>	assertTrue(p.isTerminated());
525	>	assertFalse(p.isTerminating());
526		}
527
528		/**
529	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
529	>	* getQueue returns the work queue, which contains queued tasks
530		*/
531	<	public void testPurge(){
532	<	ScheduledExecutor one = new ScheduledExecutor(1);
531	>	public void testGetQueue() throws InterruptedException {
532	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
533	>	final CountDownLatch threadStarted = new CountDownLatch(1);
534	>	final CountDownLatch done = new CountDownLatch(1);
535		try {
536	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
537	<	for(int i = 0; i < 5; i++){
538	<	tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS);
536	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
537	>	for (int i = 0; i < tasks.length; i++) {
538	>	Runnable r = new CheckedRunnable() {
539	>	public void realRun() throws InterruptedException {
540	>	threadStarted.countDown();
541	>	done.await();
542	>	}};
543	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
544		}
545	<	int max = 5;
545	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
546	>	BlockingQueue<Runnable> q = p.getQueue();
547	>	assertTrue(q.contains(tasks[tasks.length - 1]));
548	>	assertFalse(q.contains(tasks[0]));
549	>	} finally {
550	>	done.countDown();
551	>	joinPool(p);
552	>	}
553	>	}
554	>
555	>	/**
556	>	* remove(task) removes queued task, and fails to remove active task
557	>	*/
558	>	public void testRemove() throws InterruptedException {
559	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
560	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
561	>	final CountDownLatch threadStarted = new CountDownLatch(1);
562	>	final CountDownLatch done = new CountDownLatch(1);
563	>	try {
564	>	for (int i = 0; i < tasks.length; i++) {
565	>	Runnable r = new CheckedRunnable() {
566	>	public void realRun() throws InterruptedException {
567	>	threadStarted.countDown();
568	>	done.await();
569	>	}};
570	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
571	>	}
572	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
573	>	BlockingQueue<Runnable> q = p.getQueue();
574	>	assertFalse(p.remove((Runnable)tasks[0]));
575	>	assertTrue(q.contains((Runnable)tasks[4]));
576	>	assertTrue(q.contains((Runnable)tasks[3]));
577	>	assertTrue(p.remove((Runnable)tasks[4]));
578	>	assertFalse(p.remove((Runnable)tasks[4]));
579	>	assertFalse(q.contains((Runnable)tasks[4]));
580	>	assertTrue(q.contains((Runnable)tasks[3]));
581	>	assertTrue(p.remove((Runnable)tasks[3]));
582	>	assertFalse(q.contains((Runnable)tasks[3]));
583	>	} finally {
584	>	done.countDown();
585	>	joinPool(p);
586	>	}
587	>	}
588	>
589	>	/**
590	>	* purge eventually removes cancelled tasks from the queue
591	>	*/
592	>	public void testPurge() throws InterruptedException {
593	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
594	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
595	>	for (int i = 0; i < tasks.length; i++)
596	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
597	>	LONG_DELAY_MS, MILLISECONDS);
598	>	try {
599	>	int max = tasks.length;
600		if (tasks[4].cancel(true)) --max;
601		if (tasks[3].cancel(true)) --max;
602	<	one.purge();
603	<	long count = one.getTaskCount();
604	<	assertTrue(count > 0 && count <= max);
602	>	// There must eventually be an interference-free point at
603	>	// which purge will not fail. (At worst, when queue is empty.)
604	>	long startTime = System.nanoTime();
605	>	do {
606	>	p.purge();
607	>	long count = p.getTaskCount();
608	>	if (count == max)
609	>	return;
610	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
611	>	fail("Purge failed to remove cancelled tasks");
612		} finally {
613	<	one.shutdown();
613	>	for (ScheduledFuture task : tasks)
614	>	task.cancel(true);
615	>	joinPool(p);
616		}
617		}
618
619		/**
620	<	*  Test to verify shutDownNow returns a list
454	<	*  containing the correct number of elements
620	>	* shutDownNow returns a list containing tasks that were not run
621		*/
622	<	public void testShutDownNow(){
623	<	ScheduledExecutor one = new ScheduledExecutor(1);
624	<	for(int i = 0; i < 5; i++)
625	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
626	<	List l = one.shutdownNow();
627	<	assertTrue(one.isShutdown());
628	<	assertTrue(l.size() > 0 && l.size() <= 5);
622	>	public void testShutdownNow() {
623	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
624	>	for (int i = 0; i < 5; i++)
625	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
626	>	LONG_DELAY_MS, MILLISECONDS);
627	>	try {
628	>	List<Runnable> l = p.shutdownNow();
629	>	assertTrue(p.isShutdown());
630	>	assertEquals(5, l.size());
631	>	} catch (SecurityException ok) {
632	>	// Allowed in case test doesn't have privs
633	>	} finally {
634	>	joinPool(p);
635	>	}
636		}
637
638	<	public void testShutDown1(){
638	>	/**
639	>	* In default setting, shutdown cancels periodic but not delayed
640	>	* tasks at shutdown
641	>	*/
642	>	public void testShutDown1() throws InterruptedException {
643	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
644	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
645	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
646	>
647	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
648	>	for (int i = 0; i < tasks.length; i++)
649	>	tasks[i] = p.schedule(new NoOpRunnable(),
650	>	SHORT_DELAY_MS, MILLISECONDS);
651	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
652	>	BlockingQueue<Runnable> q = p.getQueue();
653	>	for (ScheduledFuture task : tasks) {
654	>	assertFalse(task.isDone());
655	>	assertFalse(task.isCancelled());
656	>	assertTrue(q.contains(task));
657	>	}
658	>	assertTrue(p.isShutdown());
659	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
660	>	assertTrue(p.isTerminated());
661	>	for (ScheduledFuture task : tasks) {
662	>	assertTrue(task.isDone());
663	>	assertFalse(task.isCancelled());
664	>	}
665	>	}
666	>
667	>
668	>	/**
669	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
670	>	* delayed tasks are cancelled at shutdown
671	>	*/
672	>	public void testShutDown2() throws InterruptedException {
673	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
674	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
675	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
676	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
677	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
678	>	for (int i = 0; i < tasks.length; i++)
679	>	tasks[i] = p.schedule(new NoOpRunnable(),
680	>	SHORT_DELAY_MS, MILLISECONDS);
681	>	BlockingQueue q = p.getQueue();
682	>	assertEquals(tasks.length, q.size());
683	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
684	>	assertTrue(p.isShutdown());
685	>	assertTrue(q.isEmpty());
686	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
687	>	assertTrue(p.isTerminated());
688	>	for (ScheduledFuture task : tasks) {
689	>	assertTrue(task.isDone());
690	>	assertTrue(task.isCancelled());
691	>	}
692	>	}
693	>
694	>	/**
695	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
696	>	* periodic tasks are cancelled at shutdown
697	>	*/
698	>	public void testShutDown3() throws InterruptedException {
699	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
700	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
701	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
702	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
703	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
704	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
705	>	ScheduledFuture task =
706	>	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
707	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
708	>	assertTrue(p.isShutdown());
709	>	BlockingQueue q = p.getQueue();
710	>	assertTrue(p.getQueue().isEmpty());
711	>	assertTrue(task.isDone());
712	>	assertTrue(task.isCancelled());
713	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
714	>	assertTrue(p.isTerminated());
715	>	}
716	>
717	>	/**
718	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
719	>	* periodic tasks are not cancelled at shutdown
720	>	*/
721	>	public void testShutDown4() throws InterruptedException {
722	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
723	>	final CountDownLatch counter = new CountDownLatch(2);
724		try {
725	<	ScheduledExecutor one = new ScheduledExecutor(1);
726	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
727	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
725	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
726	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
727	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
728	>	final Runnable r = new CheckedRunnable() {
729	>	public void realRun() {
730	>	counter.countDown();
731	>	}};
732	>	ScheduledFuture task =
733	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
734	>	assertFalse(task.isDone());
735	>	assertFalse(task.isCancelled());
736	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
737	>	assertFalse(task.isCancelled());
738	>	assertFalse(p.isTerminated());
739	>	assertTrue(p.isShutdown());
740	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
741	>	assertFalse(task.isCancelled());
742	>	assertTrue(task.cancel(false));
743	>	assertTrue(task.isDone());
744	>	assertTrue(task.isCancelled());
745	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
746	>	assertTrue(p.isTerminated());
747	>	}
748	>	finally {
749	>	joinPool(p);
750	>	}
751	>	}
752
753	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
754	<	for(int i = 0; i < 5; i++)
755	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
756	<	one.shutdown();
757	<	BlockingQueue q = one.getQueue();
758	<	for (Iterator it = q.iterator(); it.hasNext();) {
759	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
760	<	assertFalse(t.isCancelled());
761	<	}
762	<	assertTrue(one.isShutdown());
763	<	Thread.sleep(SHORT_DELAY_MS);
482	<	for (int i = 0; i < 5; ++i) {
483	<	assertTrue(tasks[i].isDone());
484	<	assertFalse(tasks[i].isCancelled());
485	<	}
486	<
753	>	/**
754	>	* completed submit of callable returns result
755	>	*/
756	>	public void testSubmitCallable() throws Exception {
757	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
758	>	try {
759	>	Future<String> future = e.submit(new StringTask());
760	>	String result = future.get();
761	>	assertSame(TEST_STRING, result);
762	>	} finally {
763	>	joinPool(e);
764		}
765	<	catch(Exception ex) {
766	<	fail("unexpected exception");
765	>	}
766	>
767	>	/**
768	>	* completed submit of runnable returns successfully
769	>	*/
770	>	public void testSubmitRunnable() throws Exception {
771	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
772	>	try {
773	>	Future<?> future = e.submit(new NoOpRunnable());
774	>	future.get();
775	>	assertTrue(future.isDone());
776	>	} finally {
777	>	joinPool(e);
778		}
779		}
780
781	+	/**
782	+	* completed submit of (runnable, result) returns result
783	+	*/
784	+	public void testSubmitRunnable2() throws Exception {
785	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
786	+	try {
787	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
788	+	String result = future.get();
789	+	assertSame(TEST_STRING, result);
790	+	} finally {
791	+	joinPool(e);
792	+	}
793	+	}
794
795	<	public void testShutDown2(){
795	>	/**
796	>	* invokeAny(null) throws NPE
797	>	*/
798	>	public void testInvokeAny1() throws Exception {
799	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
800		try {
801	<	ScheduledExecutor one = new ScheduledExecutor(1);
802	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
803	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
804	<	for(int i = 0; i < 5; i++)
805	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
501	<	one.shutdown();
502	<	assertTrue(one.isShutdown());
503	<	BlockingQueue q = one.getQueue();
504	<	assertTrue(q.isEmpty());
505	<	Thread.sleep(SHORT_DELAY_MS);
506	<	assertTrue(one.isTerminated());
801	>	e.invokeAny(null);
802	>	shouldThrow();
803	>	} catch (NullPointerException success) {
804	>	} finally {
805	>	joinPool(e);
806		}
807	<	catch(Exception ex) {
808	<	fail("unexpected exception");
807	>	}
808	>
809	>	/**
810	>	* invokeAny(empty collection) throws IAE
811	>	*/
812	>	public void testInvokeAny2() throws Exception {
813	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
814	>	try {
815	>	e.invokeAny(new ArrayList<Callable<String>>());
816	>	shouldThrow();
817	>	} catch (IllegalArgumentException success) {
818	>	} finally {
819	>	joinPool(e);
820		}
821		}
822
823	+	/**
824	+	* invokeAny(c) throws NPE if c has null elements
825	+	*/
826	+	public void testInvokeAny3() throws Exception {
827	+	CountDownLatch latch = new CountDownLatch(1);
828	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
829	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
830	+	l.add(latchAwaitingStringTask(latch));
831	+	l.add(null);
832	+	try {
833	+	e.invokeAny(l);
834	+	shouldThrow();
835	+	} catch (NullPointerException success) {
836	+	} finally {
837	+	latch.countDown();
838	+	joinPool(e);
839	+	}
840	+	}
841
842	<	public void testShutDown3(){
842	>	/**
843	>	* invokeAny(c) throws ExecutionException if no task completes
844	>	*/
845	>	public void testInvokeAny4() throws Exception {
846	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
847	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
848	>	l.add(new NPETask());
849		try {
850	<	ScheduledExecutor one = new ScheduledExecutor(1);
851	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
852	<	ScheduledCancellable task =
853	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
854	<	one.shutdown();
855	<	assertTrue(one.isShutdown());
522	<	BlockingQueue q = one.getQueue();
523	<	assertTrue(q.isEmpty());
524	<	Thread.sleep(SHORT_DELAY_MS);
525	<	assertTrue(one.isTerminated());
850	>	e.invokeAny(l);
851	>	shouldThrow();
852	>	} catch (ExecutionException success) {
853	>	assertTrue(success.getCause() instanceof NullPointerException);
854	>	} finally {
855	>	joinPool(e);
856		}
857	<	catch(Exception ex) {
858	<	fail("unexpected exception");
857	>	}
858	>
859	>	/**
860	>	* invokeAny(c) returns result of some task
861	>	*/
862	>	public void testInvokeAny5() throws Exception {
863	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
864	>	try {
865	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
866	>	l.add(new StringTask());
867	>	l.add(new StringTask());
868	>	String result = e.invokeAny(l);
869	>	assertSame(TEST_STRING, result);
870	>	} finally {
871	>	joinPool(e);
872		}
873		}
874
875	<	public void testShutDown4(){
876	<	ScheduledExecutor one = new ScheduledExecutor(1);
875	>	/**
876	>	* invokeAll(null) throws NPE
877	>	*/
878	>	public void testInvokeAll1() throws Exception {
879	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
880		try {
881	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
882	<	ScheduledCancellable task =
883	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
884	<	assertFalse(task.isCancelled());
885	<	one.shutdown();
540	<	assertFalse(task.isCancelled());
541	<	assertFalse(one.isTerminated());
542	<	assertTrue(one.isShutdown());
543	<	Thread.sleep(SHORT_DELAY_MS);
544	<	assertFalse(task.isCancelled());
545	<	task.cancel(true);
546	<	assertTrue(task.isCancelled());
547	<	Thread.sleep(SHORT_DELAY_MS);
548	<	assertTrue(one.isTerminated());
881	>	e.invokeAll(null);
882	>	shouldThrow();
883	>	} catch (NullPointerException success) {
884	>	} finally {
885	>	joinPool(e);
886		}
887	<	catch(Exception ex) {
888	<	fail("unexpected exception");
887	>	}
888	>
889	>	/**
890	>	* invokeAll(empty collection) returns empty collection
891	>	*/
892	>	public void testInvokeAll2() throws Exception {
893	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
894	>	try {
895	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
896	>	assertTrue(r.isEmpty());
897	>	} finally {
898	>	joinPool(e);
899		}
900	<	finally {
901	<	one.shutdownNow();
900	>	}
901	>
902	>	/**
903	>	* invokeAll(c) throws NPE if c has null elements
904	>	*/
905	>	public void testInvokeAll3() throws Exception {
906	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
908	>	l.add(new StringTask());
909	>	l.add(null);
910	>	try {
911	>	e.invokeAll(l);
912	>	shouldThrow();
913	>	} catch (NullPointerException success) {
914	>	} finally {
915	>	joinPool(e);
916	>	}
917	>	}
918	>
919	>	/**
920	>	* get of invokeAll(c) throws exception on failed task
921	>	*/
922	>	public void testInvokeAll4() throws Exception {
923	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
924	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
925	>	l.add(new NPETask());
926	>	List<Future<String>> futures = e.invokeAll(l);
927	>	assertEquals(1, futures.size());
928	>	try {
929	>	futures.get(0).get();
930	>	shouldThrow();
931	>	} catch (ExecutionException success) {
932	>	assertTrue(success.getCause() instanceof NullPointerException);
933	>	} finally {
934	>	joinPool(e);
935	>	}
936	>	}
937	>
938	>	/**
939	>	* invokeAll(c) returns results of all completed tasks
940	>	*/
941	>	public void testInvokeAll5() throws Exception {
942	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
943	>	try {
944	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
945	>	l.add(new StringTask());
946	>	l.add(new StringTask());
947	>	List<Future<String>> futures = e.invokeAll(l);
948	>	assertEquals(2, futures.size());
949	>	for (Future<String> future : futures)
950	>	assertSame(TEST_STRING, future.get());
951	>	} finally {
952	>	joinPool(e);
953		}
954		}
955
956	+	/**
957	+	* timed invokeAny(null) throws NPE
958	+	*/
959	+	public void testTimedInvokeAny1() throws Exception {
960	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
961	+	try {
962	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
963	+	shouldThrow();
964	+	} catch (NullPointerException success) {
965	+	} finally {
966	+	joinPool(e);
967	+	}
968	+	}
969	+
970	+	/**
971	+	* timed invokeAny(,,null) throws NPE
972	+	*/
973	+	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
974	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
975	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
976	+	l.add(new StringTask());
977	+	try {
978	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
979	+	shouldThrow();
980	+	} catch (NullPointerException success) {
981	+	} finally {
982	+	joinPool(e);
983	+	}
984	+	}
985	+
986	+	/**
987	+	* timed invokeAny(empty collection) throws IAE
988	+	*/
989	+	public void testTimedInvokeAny2() throws Exception {
990	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
991	+	try {
992	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
993	+	shouldThrow();
994	+	} catch (IllegalArgumentException success) {
995	+	} finally {
996	+	joinPool(e);
997	+	}
998	+	}
999	+
1000	+	/**
1001	+	* timed invokeAny(c) throws NPE if c has null elements
1002	+	*/
1003	+	public void testTimedInvokeAny3() throws Exception {
1004	+	CountDownLatch latch = new CountDownLatch(1);
1005	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1006	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1007	+	l.add(latchAwaitingStringTask(latch));
1008	+	l.add(null);
1009	+	try {
1010	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1011	+	shouldThrow();
1012	+	} catch (NullPointerException success) {
1013	+	} finally {
1014	+	latch.countDown();
1015	+	joinPool(e);
1016	+	}
1017	+	}
1018	+
1019	+	/**
1020	+	* timed invokeAny(c) throws ExecutionException if no task completes
1021	+	*/
1022	+	public void testTimedInvokeAny4() throws Exception {
1023	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1024	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1025	+	l.add(new NPETask());
1026	+	try {
1027	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1028	+	shouldThrow();
1029	+	} catch (ExecutionException success) {
1030	+	assertTrue(success.getCause() instanceof NullPointerException);
1031	+	} finally {
1032	+	joinPool(e);
1033	+	}
1034	+	}
1035	+
1036	+	/**
1037	+	* timed invokeAny(c) returns result of some task
1038	+	*/
1039	+	public void testTimedInvokeAny5() throws Exception {
1040	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	+	try {
1042	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1043	+	l.add(new StringTask());
1044	+	l.add(new StringTask());
1045	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1046	+	assertSame(TEST_STRING, result);
1047	+	} finally {
1048	+	joinPool(e);
1049	+	}
1050	+	}
1051	+
1052	+	/**
1053	+	* timed invokeAll(null) throws NPE
1054	+	*/
1055	+	public void testTimedInvokeAll1() throws Exception {
1056	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1057	+	try {
1058	+	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1059	+	shouldThrow();
1060	+	} catch (NullPointerException success) {
1061	+	} finally {
1062	+	joinPool(e);
1063	+	}
1064	+	}
1065	+
1066	+	/**
1067	+	* timed invokeAll(,,null) throws NPE
1068	+	*/
1069	+	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1070	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1071	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1072	+	l.add(new StringTask());
1073	+	try {
1074	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1075	+	shouldThrow();
1076	+	} catch (NullPointerException success) {
1077	+	} finally {
1078	+	joinPool(e);
1079	+	}
1080	+	}
1081	+
1082	+	/**
1083	+	* timed invokeAll(empty collection) returns empty collection
1084	+	*/
1085	+	public void testTimedInvokeAll2() throws Exception {
1086	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1087	+	try {
1088	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1089	+	assertTrue(r.isEmpty());
1090	+	} finally {
1091	+	joinPool(e);
1092	+	}
1093	+	}
1094	+
1095	+	/**
1096	+	* timed invokeAll(c) throws NPE if c has null elements
1097	+	*/
1098	+	public void testTimedInvokeAll3() throws Exception {
1099	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1100	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1101	+	l.add(new StringTask());
1102	+	l.add(null);
1103	+	try {
1104	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1105	+	shouldThrow();
1106	+	} catch (NullPointerException success) {
1107	+	} finally {
1108	+	joinPool(e);
1109	+	}
1110	+	}
1111	+
1112	+	/**
1113	+	* get of element of invokeAll(c) throws exception on failed task
1114	+	*/
1115	+	public void testTimedInvokeAll4() throws Exception {
1116	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1117	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1118	+	l.add(new NPETask());
1119	+	List<Future<String>> futures =
1120	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1121	+	assertEquals(1, futures.size());
1122	+	try {
1123	+	futures.get(0).get();
1124	+	shouldThrow();
1125	+	} catch (ExecutionException success) {
1126	+	assertTrue(success.getCause() instanceof NullPointerException);
1127	+	} finally {
1128	+	joinPool(e);
1129	+	}
1130	+	}
1131	+
1132	+	/**
1133	+	* timed invokeAll(c) returns results of all completed tasks
1134	+	*/
1135	+	public void testTimedInvokeAll5() throws Exception {
1136	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	+	try {
1138	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1139	+	l.add(new StringTask());
1140	+	l.add(new StringTask());
1141	+	List<Future<String>> futures =
1142	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1143	+	assertEquals(2, futures.size());
1144	+	for (Future<String> future : futures)
1145	+	assertSame(TEST_STRING, future.get());
1146	+	} finally {
1147	+	joinPool(e);
1148	+	}
1149	+	}
1150	+
1151	+	/**
1152	+	* timed invokeAll(c) cancels tasks not completed by timeout
1153	+	*/
1154	+	public void testTimedInvokeAll6() throws Exception {
1155	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1156	+	try {
1157	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1158	+	l.add(new StringTask());
1159	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1160	+	l.add(new StringTask());
1161	+	List<Future<String>> futures =
1162	+	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1163	+	assertEquals(3, futures.size());
1164	+	Iterator<Future<String>> it = futures.iterator();
1165	+	Future<String> f1 = it.next();
1166	+	Future<String> f2 = it.next();
1167	+	Future<String> f3 = it.next();
1168	+	assertTrue(f1.isDone());
1169	+	assertTrue(f2.isDone());
1170	+	assertTrue(f3.isDone());
1171	+	assertFalse(f1.isCancelled());
1172	+	assertTrue(f2.isCancelled());
1173	+	} finally {
1174	+	joinPool(e);
1175	+	}
1176	+	}
1177	+
1178	+
1179		}

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