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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 1.33 by jsr166, Mon Oct 11 07:21:32 2010 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	+	import java.util.concurrent.atomic.*;
14
15	<	public class ScheduledExecutorTest extends 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	>	Thread.sleep(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	>	Thread.sleep(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
288	+	/**
289	+	* getActiveCount increases but doesn't overestimate, when a
290	+	* thread becomes active
291	+	*/
292	+	public void testGetActiveCount() throws InterruptedException {
293	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
294	+	final CountDownLatch threadStarted = new CountDownLatch(1);
295	+	final CountDownLatch done = new CountDownLatch(1);
296	+	try {
297	+	assertEquals(0, p.getActiveCount());
298	+	p.execute(new CheckedRunnable() {
299	+	public void realRun() throws InterruptedException {
300	+	threadStarted.countDown();
301	+	assertEquals(1, p.getActiveCount());
302	+	done.await();
303	+	}});
304	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
305	+	assertEquals(1, p.getActiveCount());
306	+	} finally {
307	+	done.countDown();
308	+	joinPool(p);
309	+	}
310	+	}
311
312	+	/**
313	+	* getCompletedTaskCount increases, but doesn't overestimate,
314	+	* when tasks complete
315	+	*/
316	+	public void testGetCompletedTaskCount() throws InterruptedException {
317	+	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
318	+	final CountDownLatch threadStarted = new CountDownLatch(1);
319	+	final CountDownLatch threadProceed = new CountDownLatch(1);
320	+	final CountDownLatch threadDone = new CountDownLatch(1);
321	+	try {
322	+	assertEquals(0, p.getCompletedTaskCount());
323	+	p.execute(new CheckedRunnable() {
324	+	public void realRun() throws InterruptedException {
325	+	threadStarted.countDown();
326	+	assertEquals(0, p.getCompletedTaskCount());
327	+	threadProceed.await();
328	+	threadDone.countDown();
329	+	}});
330	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
331	+	assertEquals(0, p.getCompletedTaskCount());
332	+	threadProceed.countDown();
333	+	threadDone.await();
334	+	Thread.sleep(SHORT_DELAY_MS);
335	+	assertEquals(1, p.getCompletedTaskCount());
336	+	} finally {
337	+	joinPool(p);
338	+	}
339	+	}
340	+
341	+	/**
342	+	* getCorePoolSize returns size given in constructor if not otherwise set
343	+	*/
344	+	public void testGetCorePoolSize() throws InterruptedException {
345	+	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
346	+	assertEquals(1, p.getCorePoolSize());
347	+	joinPool(p);
348	+	}
349
350		/**
351	<	*  Test to verify getActiveCount gives correct values
351	>	* getLargestPoolSize increases, but doesn't overestimate, when
352	>	* multiple threads active
353		*/
354	<	public void testGetActiveCount(){
355	<	ScheduledExecutor two = new ScheduledExecutor(2);
354	>	public void testGetLargestPoolSize() throws InterruptedException {
355	>	final int THREADS = 3;
356	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
357	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
358	>	final CountDownLatch done = new CountDownLatch(1);
359		try {
360	<	assertEquals(0, two.getActiveCount());
361	<	two.execute(newRunnable());
362	<	try{
363	<	Thread.sleep(SHORT_DELAY_MS/2);
364	<	} catch(Exception e){
365	<	fail("unexpected exception");
366	<	}
367	<	assertEquals(1, two.getActiveCount());
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	<	two.shutdown();
371	>	done.countDown();
372	>	joinPool(p);
373	>	assertEquals(THREADS, p.getLargestPoolSize());
374		}
375		}
376	<
376	>
377		/**
378	<	*  Test to verify getCompleteTaskCount gives correct values
378	>	* getPoolSize increases, but doesn't overestimate, when threads
379	>	* become active
380		*/
381	<	public void testGetCompletedTaskCount(){
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.getCompletedTaskCount());
387	<	two.execute(newRunnable());
388	<	try{
389	<	Thread.sleep(MEDIUM_DELAY_MS/2);
390	<	} catch(Exception e){
391	<	fail("unexpected exception");
392	<	}
393	<	assertEquals(1, two.getCompletedTaskCount());
386	>	assertEquals(0, p.getPoolSize());
387	>	p.execute(new CheckedRunnable() {
388	>	public void realRun() throws InterruptedException {
389	>	threadStarted.countDown();
390	>	assertEquals(1, p.getPoolSize());
391	>	done.await();
392	>	}});
393	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
394	>	assertEquals(1, p.getPoolSize());
395	>	} finally {
396	>	done.countDown();
397	>	joinPool(p);
398	>	}
399	>	}
400	>
401	>	/**
402	>	* getTaskCount increases, but doesn't overestimate, when tasks
403	>	* submitted
404	>	*/
405	>	public void testGetTaskCount() throws InterruptedException {
406	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
407	>	final CountDownLatch threadStarted = new CountDownLatch(1);
408	>	final CountDownLatch done = new CountDownLatch(1);
409	>	final int TASKS = 5;
410	>	try {
411	>	assertEquals(0, p.getTaskCount());
412	>	for (int i = 0; i < TASKS; i++)
413	>	p.execute(new CheckedRunnable() {
414	>	public void realRun() throws InterruptedException {
415	>	threadStarted.countDown();
416	>	done.await();
417	>	}});
418	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
419	>	assertEquals(TASKS, p.getTaskCount());
420	>	} finally {
421	>	done.countDown();
422	>	joinPool(p);
423	>	}
424	>	}
425	>
426	>	/**
427	>	* getThreadFactory returns factory in constructor if not set
428	>	*/
429	>	public void testGetThreadFactory() throws InterruptedException {
430	>	ThreadFactory tf = new SimpleThreadFactory();
431	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
432	>	assertSame(tf, p.getThreadFactory());
433	>	joinPool(p);
434	>	}
435	>
436	>	/**
437	>	* setThreadFactory sets the thread factory returned by getThreadFactory
438	>	*/
439	>	public void testSetThreadFactory() throws InterruptedException {
440	>	ThreadFactory tf = new SimpleThreadFactory();
441	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
442	>	p.setThreadFactory(tf);
443	>	assertSame(tf, p.getThreadFactory());
444	>	joinPool(p);
445	>	}
446	>
447	>	/**
448	>	* setThreadFactory(null) throws NPE
449	>	*/
450	>	public void testSetThreadFactoryNull() throws InterruptedException {
451	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
452	>	try {
453	>	p.setThreadFactory(null);
454	>	shouldThrow();
455	>	} catch (NullPointerException success) {
456	>	} finally {
457	>	joinPool(p);
458	>	}
459	>	}
460	>
461	>	/**
462	>	* isShutDown is false before shutdown, true after
463	>	*/
464	>	public void testIsShutdown() {
465	>
466	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
467	>	try {
468	>	assertFalse(p.isShutdown());
469	>	}
470	>	finally {
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	>	threadStarted.countDown();
489	>	assertFalse(p.isTerminated());
490	>	done.await();
491	>	}});
492	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
493	>	done.countDown();
494		} finally {
495	<	two.shutdown();
495	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
496		}
497	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
498	+	assertTrue(p.isTerminated());
499		}
500	<
500	>
501		/**
502	<	*  Test to verify getCorePoolSize gives correct values
502	>	* isTerminating is not true when running or when terminated
503		*/
504	<	public void testGetCorePoolSize(){
505	<	ScheduledExecutor one = new ScheduledExecutor(1);
504	>	public void testIsTerminating() throws InterruptedException {
505	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
506	>	final CountDownLatch threadStarted = new CountDownLatch(1);
507	>	final CountDownLatch done = new CountDownLatch(1);
508		try {
509	<	assertEquals(1, one.getCorePoolSize());
509	>	assertFalse(p.isTerminating());
510	>	p.execute(new CheckedRunnable() {
511	>	public void realRun() throws InterruptedException {
512	>	threadStarted.countDown();
513	>	assertFalse(p.isTerminating());
514	>	done.await();
515	>	}});
516	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
517	>	assertFalse(p.isTerminating());
518	>	done.countDown();
519		} finally {
520	<	one.shutdown();
520	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
521		}
522	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
523	+	assertTrue(p.isTerminated());
524	+	assertFalse(p.isTerminating());
525		}
526	<
526	>
527		/**
528	<	*  Test to verify getLargestPoolSize gives correct values
528	>	* getQueue returns the work queue, which contains queued tasks
529		*/
530	<	public void testGetLargestPoolSize(){
531	<	ScheduledExecutor two = new ScheduledExecutor(2);
530	>	public void testGetQueue() throws InterruptedException {
531	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
532	>	final CountDownLatch threadStarted = new CountDownLatch(1);
533	>	final CountDownLatch done = new CountDownLatch(1);
534		try {
535	<	assertEquals(0, two.getLargestPoolSize());
536	<	two.execute(newRunnable());
537	<	two.execute(newRunnable());
538	<	try{
539	<	Thread.sleep(SHORT_DELAY_MS/2);
540	<	} catch(Exception e){
541	<	fail("unexpected exception");
535	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
536	>	for (int i = 0; i < tasks.length; i++) {
537	>	Runnable r = new CheckedRunnable() {
538	>	public void realRun() throws InterruptedException {
539	>	threadStarted.countDown();
540	>	done.await();
541	>	}};
542	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
543		}
544	<	assertEquals(2, two.getLargestPoolSize());
544	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
545	>	BlockingQueue<Runnable> q = p.getQueue();
546	>	assertTrue(q.contains(tasks[tasks.length - 1]));
547	>	assertFalse(q.contains(tasks[0]));
548		} finally {
549	<	two.shutdown();
549	>	done.countDown();
550	>	joinPool(p);
551		}
552		}
553	<
553	>
554		/**
555	<	*  Test to verify getPoolSize gives correct values
555	>	* remove(task) removes queued task, and fails to remove active task
556		*/
557	<	public void testGetPoolSize(){
558	<	ScheduledExecutor one = new ScheduledExecutor(1);
559	<	try {
560	<	assertEquals(0, one.getPoolSize());
561	<	one.execute(newRunnable());
562	<	assertEquals(1, one.getPoolSize());
557	>	public void testRemove() throws InterruptedException {
558	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
559	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
560	>	final CountDownLatch threadStarted = new CountDownLatch(1);
561	>	final CountDownLatch done = new CountDownLatch(1);
562	>	try {
563	>	for (int i = 0; i < tasks.length; i++) {
564	>	Runnable r = new CheckedRunnable() {
565	>	public void realRun() throws InterruptedException {
566	>	threadStarted.countDown();
567	>	done.await();
568	>	}};
569	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
570	>	}
571	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
572	>	BlockingQueue<Runnable> q = p.getQueue();
573	>	assertFalse(p.remove((Runnable)tasks[0]));
574	>	assertTrue(q.contains((Runnable)tasks[4]));
575	>	assertTrue(q.contains((Runnable)tasks[3]));
576	>	assertTrue(p.remove((Runnable)tasks[4]));
577	>	assertFalse(p.remove((Runnable)tasks[4]));
578	>	assertFalse(q.contains((Runnable)tasks[4]));
579	>	assertTrue(q.contains((Runnable)tasks[3]));
580	>	assertTrue(p.remove((Runnable)tasks[3]));
581	>	assertFalse(q.contains((Runnable)tasks[3]));
582		} finally {
583	<	one.shutdown();
583	>	done.countDown();
584	>	joinPool(p);
585		}
586		}
587	<
587	>
588		/**
589	<	*  Test to verify getTaskCount gives correct values
589	>	* purge removes cancelled tasks from the queue
590		*/
591	<	public void testGetTaskCount(){
592	<	ScheduledExecutor one = new ScheduledExecutor(1);
591	>	public void testPurge() throws InterruptedException {
592	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
593	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
594	>	for (int i = 0; i < tasks.length; i++) {
595	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
596	>	}
597		try {
598	<	assertEquals(0, one.getTaskCount());
599	<	for(int i = 0; i < 5; i++)
600	<	one.execute(newRunnable());
601	<	try{
602	<	Thread.sleep(SHORT_DELAY_MS/2);
603	<	} catch(Exception e){
604	<	fail("unexpected exception");
598	>	int max = tasks.length;
599	>	if (tasks[4].cancel(true)) --max;
600	>	if (tasks[3].cancel(true)) --max;
601	>	// There must eventually be an interference-free point at
602	>	// which purge will not fail. (At worst, when queue is empty.)
603	>	int k;
604	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
605	>	p.purge();
606	>	long count = p.getTaskCount();
607	>	if (count >= 0 && count <= max)
608	>	break;
609	>	Thread.sleep(1);
610		}
611	<	assertEquals(5, one.getTaskCount());
611	>	assertTrue(k < SMALL_DELAY_MS);
612		} finally {
613	<	one.shutdown();
613	>	for (ScheduledFuture task : tasks)
614	>	task.cancel(true);
615	>	joinPool(p);
616		}
617		}
618	<
618	>
619		/**
620	<	*  Test to verify isShutDown gives correct values
620	>	* shutDownNow returns a list containing tasks that were not run
621		*/
622	<	public void testIsShutdown(){
623	<
624	<	ScheduledExecutor one = new ScheduledExecutor(1);
622	>	public void testShutDownNow() throws InterruptedException {
623	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
624	>	for (int i = 0; i < 5; i++)
625	>	p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
626	>	List l;
627		try {
628	<	assertFalse(one.isShutdown());
628	>	l = p.shutdownNow();
629	>	} catch (SecurityException ok) {
630	>	return;
631	>	}
632	>	assertTrue(p.isShutdown());
633	>	assertTrue(l.size() > 0 && l.size() <= 5);
634	>	joinPool(p);
635	>	}
636	>
637	>	/**
638	>	* In default setting, shutdown cancels periodic but not delayed
639	>	* tasks at shutdown
640	>	*/
641	>	public void testShutDown1() throws InterruptedException {
642	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
643	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
644	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
645	>
646	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
647	>	for (int i = 0; i < tasks.length; i++)
648	>	tasks[i] = p.schedule(new NoOpRunnable(),
649	>	SHORT_DELAY_MS, MILLISECONDS);
650	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
651	>	BlockingQueue<Runnable> q = p.getQueue();
652	>	for (ScheduledFuture task : tasks) {
653	>	assertFalse(task.isDone());
654	>	assertFalse(task.isCancelled());
655	>	assertTrue(q.contains(task));
656	>	}
657	>	assertTrue(p.isShutdown());
658	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
659	>	assertTrue(p.isTerminated());
660	>	for (ScheduledFuture task : tasks) {
661	>	assertTrue(task.isDone());
662	>	assertFalse(task.isCancelled());
663	>	}
664	>	}
665	>
666	>
667	>	/**
668	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
669	>	* delayed tasks are cancelled at shutdown
670	>	*/
671	>	public void testShutDown2() throws InterruptedException {
672	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
673	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
674	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
675	>	for (int i = 0; i < tasks.length; i++)
676	>	tasks[i] = p.schedule(new NoOpRunnable(),
677	>	SHORT_DELAY_MS, MILLISECONDS);
678	>	BlockingQueue q = p.getQueue();
679	>	assertEquals(tasks.length, q.size());
680	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
681	>	assertTrue(p.isShutdown());
682	>	assertTrue(q.isEmpty());
683	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
684	>	assertTrue(p.isTerminated());
685	>	for (ScheduledFuture task : tasks) {
686	>	assertTrue(task.isDone());
687	>	assertTrue(task.isCancelled());
688	>	}
689	>	}
690	>
691	>	/**
692	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
693	>	* periodic tasks are cancelled at shutdown
694	>	*/
695	>	public void testShutDown3() throws InterruptedException {
696	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
697	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
698	>	ScheduledFuture task =
699	>	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
700	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
701	>	assertTrue(p.isShutdown());
702	>	BlockingQueue q = p.getQueue();
703	>	assertTrue(p.getQueue().isEmpty());
704	>	assertTrue(task.isDone());
705	>	assertTrue(task.isCancelled());
706	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
707	>	assertTrue(p.isTerminated());
708	>	}
709	>
710	>	/**
711	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
712	>	* periodic tasks are not cancelled at shutdown
713	>	*/
714	>	public void testShutDown4() throws InterruptedException {
715	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
716	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
717	>	final CountDownLatch counter = new CountDownLatch(2);
718	>	try {
719	>	final Runnable r = new CheckedRunnable() {
720	>	public void realRun() {
721	>	counter.countDown();
722	>	}};
723	>	ScheduledFuture task =
724	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
725	>	assertFalse(task.isDone());
726	>	assertFalse(task.isCancelled());
727	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
728	>	assertFalse(task.isCancelled());
729	>	assertFalse(p.isTerminated());
730	>	assertTrue(p.isShutdown());
731	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
732	>	assertFalse(task.isCancelled());
733	>	assertTrue(task.cancel(false));
734	>	assertTrue(task.isDone());
735	>	assertTrue(task.isCancelled());
736	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
737	>	assertTrue(p.isTerminated());
738		}
739		finally {
740	<	one.shutdown();
740	>	joinPool(p);
741		}
403	–	assertTrue(one.isShutdown());
742		}
743
406	–
744		/**
745	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
745	>	* completed submit of callable returns result
746		*/
747	<	public void testIsTerminated(){
748	<	ScheduledExecutor one = new ScheduledExecutor(1);
747	>	public void testSubmitCallable() throws Exception {
748	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
749		try {
750	<	one.execute(newRunnable());
750	>	Future<String> future = e.submit(new StringTask());
751	>	String result = future.get();
752	>	assertSame(TEST_STRING, result);
753		} finally {
754	<	one.shutdown();
754	>	joinPool(e);
755		}
419	–	boolean flag = false;
420	–	try{
421	–	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");
756		}
757
758		/**
759	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
759	>	* completed submit of runnable returns successfully
760		*/
761	<	public void testPurge(){
762	<	ScheduledExecutor one = new ScheduledExecutor(1);
761	>	public void testSubmitRunnable() throws Exception {
762	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
763		try {
764	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
765	<	for(int i = 0; i < 5; i++){
766	<	tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS);
767	<	}
768	<	int max = 5;
769	<	if (tasks[4].cancel(true)) --max;
770	<	if (tasks[3].cancel(true)) --max;
771	<	one.purge();
772	<	long count = one.getTaskCount();
773	<	assertTrue(count > 0 && count <= max);
764	>	Future<?> future = e.submit(new NoOpRunnable());
765	>	future.get();
766	>	assertTrue(future.isDone());
767	>	} finally {
768	>	joinPool(e);
769	>	}
770	>	}
771	>
772	>	/**
773	>	* completed submit of (runnable, result) returns result
774	>	*/
775	>	public void testSubmitRunnable2() throws Exception {
776	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
777	>	try {
778	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
779	>	String result = future.get();
780	>	assertSame(TEST_STRING, result);
781		} finally {
782	<	one.shutdown();
782	>	joinPool(e);
783		}
784		}
785
786		/**
787	<	*  Test to verify shutDownNow returns a list
454	<	*  containing the correct number of elements
787	>	* invokeAny(null) throws NPE
788		*/
789	<	public void testShutDownNow(){
790	<	ScheduledExecutor one = new ScheduledExecutor(1);
791	<	for(int i = 0; i < 5; i++)
792	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
793	<	List l = one.shutdownNow();
794	<	assertTrue(one.isShutdown());
795	<	assertTrue(l.size() > 0 && l.size() <= 5);
789	>	public void testInvokeAny1() throws Exception {
790	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
791	>	try {
792	>	e.invokeAny(null);
793	>	shouldThrow();
794	>	} catch (NullPointerException success) {
795	>	} finally {
796	>	joinPool(e);
797	>	}
798		}
799
800	<	public void testShutDown1(){
800	>	/**
801	>	* invokeAny(empty collection) throws IAE
802	>	*/
803	>	public void testInvokeAny2() throws Exception {
804	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
805		try {
806	<	ScheduledExecutor one = new ScheduledExecutor(1);
807	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
808	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
806	>	e.invokeAny(new ArrayList<Callable<String>>());
807	>	shouldThrow();
808	>	} catch (IllegalArgumentException success) {
809	>	} finally {
810	>	joinPool(e);
811	>	}
812	>	}
813
814	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
815	<	for(int i = 0; i < 5; i++)
816	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
817	<	one.shutdown();
818	<	BlockingQueue q = one.getQueue();
819	<	for (Iterator it = q.iterator(); it.hasNext();) {
820	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
821	<	assertFalse(t.isCancelled());
822	<	}
823	<	assertTrue(one.isShutdown());
824	<	Thread.sleep(SHORT_DELAY_MS);
825	<	for (int i = 0; i < 5; ++i) {
826	<	assertTrue(tasks[i].isDone());
827	<	assertFalse(tasks[i].isCancelled());
828	<	}
829	<
814	>	/**
815	>	* invokeAny(c) throws NPE if c has null elements
816	>	*/
817	>	public void testInvokeAny3() throws Exception {
818	>	CountDownLatch latch = new CountDownLatch(1);
819	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
820	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
821	>	l.add(latchAwaitingStringTask(latch));
822	>	l.add(null);
823	>	try {
824	>	e.invokeAny(l);
825	>	shouldThrow();
826	>	} catch (NullPointerException success) {
827	>	} finally {
828	>	latch.countDown();
829	>	joinPool(e);
830		}
831	<	catch(Exception ex) {
832	<	fail("unexpected exception");
831	>	}
832	>
833	>	/**
834	>	* invokeAny(c) throws ExecutionException if no task completes
835	>	*/
836	>	public void testInvokeAny4() throws Exception {
837	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
838	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
839	>	l.add(new NPETask());
840	>	try {
841	>	e.invokeAny(l);
842	>	shouldThrow();
843	>	} catch (ExecutionException success) {
844	>	assertTrue(success.getCause() instanceof NullPointerException);
845	>	} finally {
846	>	joinPool(e);
847		}
848		}
849
850	+	/**
851	+	* invokeAny(c) returns result of some task
852	+	*/
853	+	public void testInvokeAny5() throws Exception {
854	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
855	+	try {
856	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
857	+	l.add(new StringTask());
858	+	l.add(new StringTask());
859	+	String result = e.invokeAny(l);
860	+	assertSame(TEST_STRING, result);
861	+	} finally {
862	+	joinPool(e);
863	+	}
864	+	}
865
866	<	public void testShutDown2(){
866	>	/**
867	>	* invokeAll(null) throws NPE
868	>	*/
869	>	public void testInvokeAll1() throws Exception {
870	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
871		try {
872	<	ScheduledExecutor one = new ScheduledExecutor(1);
873	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
874	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
875	<	for(int i = 0; i < 5; i++)
876	<	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());
872	>	e.invokeAll(null);
873	>	shouldThrow();
874	>	} catch (NullPointerException success) {
875	>	} finally {
876	>	joinPool(e);
877		}
878	<	catch(Exception ex) {
879	<	fail("unexpected exception");
878	>	}
879	>
880	>	/**
881	>	* invokeAll(empty collection) returns empty collection
882	>	*/
883	>	public void testInvokeAll2() throws Exception {
884	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
885	>	try {
886	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
887	>	assertTrue(r.isEmpty());
888	>	} finally {
889	>	joinPool(e);
890		}
891		}
892
893	+	/**
894	+	* invokeAll(c) throws NPE if c has null elements
895	+	*/
896	+	public void testInvokeAll3() throws Exception {
897	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
898	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
899	+	l.add(new StringTask());
900	+	l.add(null);
901	+	try {
902	+	e.invokeAll(l);
903	+	shouldThrow();
904	+	} catch (NullPointerException success) {
905	+	} finally {
906	+	joinPool(e);
907	+	}
908	+	}
909
910	<	public void testShutDown3(){
910	>	/**
911	>	* get of invokeAll(c) throws exception on failed task
912	>	*/
913	>	public void testInvokeAll4() throws Exception {
914	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
915	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
916	>	l.add(new NPETask());
917	>	List<Future<String>> futures = e.invokeAll(l);
918	>	assertEquals(1, futures.size());
919		try {
920	<	ScheduledExecutor one = new ScheduledExecutor(1);
921	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
922	<	ScheduledCancellable task =
923	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
924	<	one.shutdown();
925	<	assertTrue(one.isShutdown());
522	<	BlockingQueue q = one.getQueue();
523	<	assertTrue(q.isEmpty());
524	<	Thread.sleep(SHORT_DELAY_MS);
525	<	assertTrue(one.isTerminated());
920	>	futures.get(0).get();
921	>	shouldThrow();
922	>	} catch (ExecutionException success) {
923	>	assertTrue(success.getCause() instanceof NullPointerException);
924	>	} finally {
925	>	joinPool(e);
926		}
927	<	catch(Exception ex) {
928	<	fail("unexpected exception");
927	>	}
928	>
929	>	/**
930	>	* invokeAll(c) returns results of all completed tasks
931	>	*/
932	>	public void testInvokeAll5() throws Exception {
933	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
934	>	try {
935	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
936	>	l.add(new StringTask());
937	>	l.add(new StringTask());
938	>	List<Future<String>> futures = e.invokeAll(l);
939	>	assertEquals(2, futures.size());
940	>	for (Future<String> future : futures)
941	>	assertSame(TEST_STRING, future.get());
942	>	} finally {
943	>	joinPool(e);
944		}
945		}
946
947	<	public void testShutDown4(){
948	<	ScheduledExecutor one = new ScheduledExecutor(1);
947	>	/**
948	>	* timed invokeAny(null) throws NPE
949	>	*/
950	>	public void testTimedInvokeAny1() throws Exception {
951	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
952		try {
953	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
954	<	ScheduledCancellable task =
955	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
956	<	assertFalse(task.isCancelled());
957	<	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());
953	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
954	>	shouldThrow();
955	>	} catch (NullPointerException success) {
956	>	} finally {
957	>	joinPool(e);
958		}
959	<	catch(Exception ex) {
960	<	fail("unexpected exception");
959	>	}
960	>
961	>	/**
962	>	* timed invokeAny(,,null) throws NPE
963	>	*/
964	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
965	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
966	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
967	>	l.add(new StringTask());
968	>	try {
969	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
970	>	shouldThrow();
971	>	} catch (NullPointerException success) {
972	>	} finally {
973	>	joinPool(e);
974		}
975	<	finally {
976	<	one.shutdownNow();
975	>	}
976	>
977	>	/**
978	>	* timed invokeAny(empty collection) throws IAE
979	>	*/
980	>	public void testTimedInvokeAny2() throws Exception {
981	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
982	>	try {
983	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
984	>	shouldThrow();
985	>	} catch (IllegalArgumentException success) {
986	>	} finally {
987	>	joinPool(e);
988	>	}
989	>	}
990	>
991	>	/**
992	>	* timed invokeAny(c) throws NPE if c has null elements
993	>	*/
994	>	public void testTimedInvokeAny3() throws Exception {
995	>	CountDownLatch latch = new CountDownLatch(1);
996	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
997	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
998	>	l.add(latchAwaitingStringTask(latch));
999	>	l.add(null);
1000	>	try {
1001	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1002	>	shouldThrow();
1003	>	} catch (NullPointerException success) {
1004	>	} finally {
1005	>	latch.countDown();
1006	>	joinPool(e);
1007	>	}
1008	>	}
1009	>
1010	>	/**
1011	>	* timed invokeAny(c) throws ExecutionException if no task completes
1012	>	*/
1013	>	public void testTimedInvokeAny4() throws Exception {
1014	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1015	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1016	>	l.add(new NPETask());
1017	>	try {
1018	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1019	>	shouldThrow();
1020	>	} catch (ExecutionException success) {
1021	>	assertTrue(success.getCause() instanceof NullPointerException);
1022	>	} finally {
1023	>	joinPool(e);
1024	>	}
1025	>	}
1026	>
1027	>	/**
1028	>	* timed invokeAny(c) returns result of some task
1029	>	*/
1030	>	public void testTimedInvokeAny5() throws Exception {
1031	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1032	>	try {
1033	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1034	>	l.add(new StringTask());
1035	>	l.add(new StringTask());
1036	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1037	>	assertSame(TEST_STRING, result);
1038	>	} finally {
1039	>	joinPool(e);
1040		}
1041		}
1042
1043	+	/**
1044	+	* timed invokeAll(null) throws NPE
1045	+	*/
1046	+	public void testTimedInvokeAll1() throws Exception {
1047	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1048	+	try {
1049	+	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1050	+	shouldThrow();
1051	+	} catch (NullPointerException success) {
1052	+	} finally {
1053	+	joinPool(e);
1054	+	}
1055	+	}
1056	+
1057	+	/**
1058	+	* timed invokeAll(,,null) throws NPE
1059	+	*/
1060	+	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1061	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1062	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1063	+	l.add(new StringTask());
1064	+	try {
1065	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1066	+	shouldThrow();
1067	+	} catch (NullPointerException success) {
1068	+	} finally {
1069	+	joinPool(e);
1070	+	}
1071	+	}
1072	+
1073	+	/**
1074	+	* timed invokeAll(empty collection) returns empty collection
1075	+	*/
1076	+	public void testTimedInvokeAll2() throws Exception {
1077	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1078	+	try {
1079	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1080	+	assertTrue(r.isEmpty());
1081	+	} finally {
1082	+	joinPool(e);
1083	+	}
1084	+	}
1085	+
1086	+	/**
1087	+	* timed invokeAll(c) throws NPE if c has null elements
1088	+	*/
1089	+	public void testTimedInvokeAll3() throws Exception {
1090	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1091	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1092	+	l.add(new StringTask());
1093	+	l.add(null);
1094	+	try {
1095	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1096	+	shouldThrow();
1097	+	} catch (NullPointerException success) {
1098	+	} finally {
1099	+	joinPool(e);
1100	+	}
1101	+	}
1102	+
1103	+	/**
1104	+	* get of element of invokeAll(c) throws exception on failed task
1105	+	*/
1106	+	public void testTimedInvokeAll4() throws Exception {
1107	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1108	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1109	+	l.add(new NPETask());
1110	+	List<Future<String>> futures =
1111	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1112	+	assertEquals(1, futures.size());
1113	+	try {
1114	+	futures.get(0).get();
1115	+	shouldThrow();
1116	+	} catch (ExecutionException success) {
1117	+	assertTrue(success.getCause() instanceof NullPointerException);
1118	+	} finally {
1119	+	joinPool(e);
1120	+	}
1121	+	}
1122	+
1123	+	/**
1124	+	* timed invokeAll(c) returns results of all completed tasks
1125	+	*/
1126	+	public void testTimedInvokeAll5() throws Exception {
1127	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1128	+	try {
1129	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1130	+	l.add(new StringTask());
1131	+	l.add(new StringTask());
1132	+	List<Future<String>> futures =
1133	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1134	+	assertEquals(2, futures.size());
1135	+	for (Future<String> future : futures)
1136	+	assertSame(TEST_STRING, future.get());
1137	+	} finally {
1138	+	joinPool(e);
1139	+	}
1140	+	}
1141	+
1142	+	/**
1143	+	* timed invokeAll(c) cancels tasks not completed by timeout
1144	+	*/
1145	+	public void testTimedInvokeAll6() throws Exception {
1146	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1147	+	try {
1148	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1149	+	l.add(new StringTask());
1150	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1151	+	l.add(new StringTask());
1152	+	List<Future<String>> futures =
1153	+	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1154	+	assertEquals(3, futures.size());
1155	+	Iterator<Future<String>> it = futures.iterator();
1156	+	Future<String> f1 = it.next();
1157	+	Future<String> f2 = it.next();
1158	+	Future<String> f3 = it.next();
1159	+	assertTrue(f1.isDone());
1160	+	assertTrue(f2.isDone());
1161	+	assertTrue(f3.isDone());
1162	+	assertFalse(f1.isCancelled());
1163	+	assertTrue(f2.isCancelled());
1164	+	} finally {
1165	+	joinPool(e);
1166	+	}
1167	+	}
1168	+
1169	+
1170		}

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