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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.4 by dl, Sun Sep 14 20:42:40 2003 UTC vs.
Revision 1.53 by jsr166, Sun Sep 27 18:50:50 2015 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.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>
11	>	import java.util.ArrayList;
12	>	import java.util.List;
13	>	import java.util.concurrent.BlockingQueue;
14	>	import java.util.concurrent.Callable;
15	>	import java.util.concurrent.CancellationException;
16	>	import java.util.concurrent.CountDownLatch;
17	>	import java.util.concurrent.ExecutionException;
18	>	import java.util.concurrent.Executors;
19	>	import java.util.concurrent.ExecutorService;
20	>	import java.util.concurrent.Future;
21	>	import java.util.concurrent.RejectedExecutionException;
22	>	import java.util.concurrent.ScheduledFuture;
23	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
24	>	import java.util.concurrent.ThreadFactory;
25	>	import java.util.concurrent.ThreadPoolExecutor;
26	>	import java.util.concurrent.atomic.AtomicInteger;
27	>
28	>	import junit.framework.Test;
29	>	import junit.framework.TestSuite;
30
31		public class ScheduledExecutorTest extends JSR166TestCase {
32		public static void main(String[] args) {
33	<	junit.textui.TestRunner.run (suite());
33	>	main(suite(), args);
34		}
35		public static Test suite() {
36	<	return new TestSuite(ScheduledExecutorTest.class);
36	>	return new TestSuite(ScheduledExecutorTest.class);
37		}
38
39	<	static class MyRunnable implements Runnable {
40	<	volatile boolean done = false;
41	<	public void run(){
42	<	try{
43	<	Thread.sleep(SMALL_DELAY_MS);
44	<	done = true;
45	<	} catch(Exception e){
46	<	}
39	>	/**
40	>	* execute successfully executes a runnable
41	>	*/
42	>	public void testExecute() throws InterruptedException {
43	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
44	>	final CountDownLatch done = new CountDownLatch(1);
45	>	final Runnable task = new CheckedRunnable() {
46	>	public void realRun() {
47	>	done.countDown();
48	>	}};
49	>	try {
50	>	p.execute(task);
51	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
52	>	} finally {
53	>	joinPool(p);
54	>	}
55	>	}
56	>
57	>	/**
58	>	* delayed schedule of callable successfully executes after delay
59	>	*/
60	>	public void testSchedule1() throws Exception {
61	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
62	>	final long startTime = System.nanoTime();
63	>	final CountDownLatch done = new CountDownLatch(1);
64	>	try {
65	>	Callable task = new CheckedCallable<Boolean>() {
66	>	public Boolean realCall() {
67	>	done.countDown();
68	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
69	>	return Boolean.TRUE;
70	>	}};
71	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
72	>	assertSame(Boolean.TRUE, f.get());
73	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
74	>	assertTrue(done.await(0L, MILLISECONDS));
75	>	} finally {
76	>	joinPool(p);
77	>	}
78	>	}
79	>
80	>	/**
81	>	* delayed schedule of runnable successfully executes after delay
82	>	*/
83	>	public void testSchedule3() throws Exception {
84	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
85	>	final long startTime = System.nanoTime();
86	>	final CountDownLatch done = new CountDownLatch(1);
87	>	try {
88	>	Runnable task = new CheckedRunnable() {
89	>	public void realRun() {
90	>	done.countDown();
91	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
92	>	}};
93	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
94	>	await(done);
95	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
96	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
97	>	} finally {
98	>	joinPool(p);
99		}
100		}
101
102	<	static class MyCallable implements Callable {
103	<	volatile boolean done = false;
104	<	public Object call(){
105	<	try{
106	<	Thread.sleep(SMALL_DELAY_MS);
107	<	done = true;
108	<	}catch(Exception e){}
109	<	return Boolean.TRUE;
102	>	/**
103	>	* scheduleAtFixedRate executes runnable after given initial delay
104	>	*/
105	>	public void testSchedule4() throws Exception {
106	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
107	>	final long startTime = System.nanoTime();
108	>	final CountDownLatch done = new CountDownLatch(1);
109	>	try {
110	>	Runnable task = new CheckedRunnable() {
111	>	public void realRun() {
112	>	done.countDown();
113	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
114	>	}};
115	>	ScheduledFuture f =
116	>	p.scheduleAtFixedRate(task, timeoutMillis(),
117	>	LONG_DELAY_MS, MILLISECONDS);
118	>	await(done);
119	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
120	>	f.cancel(true);
121	>	} finally {
122	>	joinPool(p);
123	>	}
124	>	}
125	>
126	>	/**
127	>	* scheduleWithFixedDelay executes runnable after given initial delay
128	>	*/
129	>	public void testSchedule5() throws Exception {
130	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
131	>	final long startTime = System.nanoTime();
132	>	final CountDownLatch done = new CountDownLatch(1);
133	>	try {
134	>	Runnable task = new CheckedRunnable() {
135	>	public void realRun() {
136	>	done.countDown();
137	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
138	>	}};
139	>	ScheduledFuture f =
140	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
141	>	LONG_DELAY_MS, MILLISECONDS);
142	>	await(done);
143	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
144	>	f.cancel(true);
145	>	} finally {
146	>	joinPool(p);
147		}
148		}
149
150	<	public void testExecute(){
151	<	try{
152	<	MyRunnable runnable =new MyRunnable();
153	<	ScheduledExecutor one = new ScheduledExecutor(1);
154	<	one.execute(runnable);
155	<	assertFalse(runnable.done);
156	<	Thread.sleep(SHORT_DELAY_MS);
157	<	one.shutdown();
158	<	try{
159	<	Thread.sleep(MEDIUM_DELAY_MS);
160	<	} catch(InterruptedException e){
161	<	fail("unexpected exception");
150	>	static class RunnableCounter implements Runnable {
151	>	AtomicInteger count = new AtomicInteger(0);
152	>	public void run() { count.getAndIncrement(); }
153	>	}
154	>
155	>	/**
156	>	* scheduleAtFixedRate executes series of tasks at given rate
157	>	*/
158	>	public void testFixedRateSequence() throws InterruptedException {
159	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
160	>	try {
161	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
162	>	long startTime = System.nanoTime();
163	>	int cycles = 10;
164	>	final CountDownLatch done = new CountDownLatch(cycles);
165	>	Runnable task = new CheckedRunnable() {
166	>	public void realRun() { done.countDown(); }};
167	>	ScheduledFuture h =
168	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
169	>	done.await();
170	>	h.cancel(true);
171	>	double normalizedTime =
172	>	(double) millisElapsedSince(startTime) / delay;
173	>	if (normalizedTime >= cycles - 1 &&
174	>	normalizedTime <= cycles)
175	>	return;
176		}
177	<	assertTrue(runnable.done);
178	<	one.shutdown();
179	<	joinPool(one);
58	<	}
59	<	catch(Exception e){
60	<	fail("unexpected exception");
61	<	}
62	<
63	<	}
64	<
65	<	public void testSchedule1(){
66	<	try{
67	<	MyCallable callable = new MyCallable();
68	<	ScheduledExecutor one = new ScheduledExecutor(1);
69	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
70	<	assertFalse(callable.done);
71	<	Thread.sleep(MEDIUM_DELAY_MS);
72	<	assertTrue(callable.done);
73	<	assertEquals(Boolean.TRUE, f.get());
74	<	one.shutdown();
75	<	joinPool(one);
76	<	}catch(RejectedExecutionException e){}
77	<	catch(Exception e){
78	<	fail("unexpected exception");
79	<	}
80	<	}
81	<
82	<	/**
83	<	*  Another version of schedule, only using Runnable instead of Callable
84	<	*/
85	<	public void testSchedule3(){
86	<	try{
87	<	MyRunnable runnable = new MyRunnable();
88	<	ScheduledExecutor one = new ScheduledExecutor(1);
89	<	one.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
90	<	Thread.sleep(SHORT_DELAY_MS);
91	<	assertFalse(runnable.done);
92	<	Thread.sleep(MEDIUM_DELAY_MS);
93	<	assertTrue(runnable.done);
94	<	one.shutdown();
95	<	joinPool(one);
96	<	} catch(Exception e){
97	<	fail("unexpected exception");
98	<	}
99	<	}
100	<
101	<	/**
102	<	*  The final version of schedule, using both long, TimeUnit and Runnable
103	<	*/
104	<	public void testSchedule4(){
105	<	try{
106	<	MyRunnable runnable = new MyRunnable();
107	<	ScheduledExecutor one = new ScheduledExecutor(1);
108	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
109	<	assertFalse(runnable.done);
110	<	Thread.sleep(MEDIUM_DELAY_MS);
111	<	assertTrue(runnable.done);
112	<	one.shutdown();
113	<	joinPool(one);
114	<	} catch(Exception e){
115	<	fail("unexpected exception");
116	<	}
117	<	}
118	<
119	<
120	<	// exception tests
121	<
122	<	/**
123	<	*   schedule(Runnable, long) throws RejectedExecutionException
124	<	*  This occurs on an attempt to schedule a task on a shutdown executor
125	<	*/
126	<	public void testSchedule1_RejectedExecutionException(){
127	<	ScheduledExecutor se = new ScheduledExecutor(1);
128	<	try{
129	<	se.shutdown();
130	<	se.schedule(new NoOpRunnable(),
131	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
132	<	fail("shoud throw");
133	<	} catch(RejectedExecutionException success){
177	>	throw new AssertionError("unexpected execution rate");
178	>	} finally {
179	>	joinPool(p);
180		}
181	+	}
182	+
183	+	/**
184	+	* scheduleWithFixedDelay executes series of tasks with given period
185	+	*/
186	+	public void testFixedDelaySequence() throws InterruptedException {
187	+	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
188	+	try {
189	+	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
190	+	long startTime = System.nanoTime();
191	+	int cycles = 10;
192	+	final CountDownLatch done = new CountDownLatch(cycles);
193	+	Runnable task = new CheckedRunnable() {
194	+	public void realRun() { done.countDown(); }};
195	+	ScheduledFuture h =
196	+	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
197	+	done.await();
198	+	h.cancel(true);
199	+	double normalizedTime =
200	+	(double) millisElapsedSince(startTime) / delay;
201	+	if (normalizedTime >= cycles - 1 &&
202	+	normalizedTime <= cycles)
203	+	return;
204	+	}
205	+	throw new AssertionError("unexpected execution rate");
206	+	} finally {
207	+	joinPool(p);
208	+	}
209	+	}
210	+
211	+	/**
212	+	* execute(null) throws NPE
213	+	*/
214	+	public void testExecuteNull() throws InterruptedException {
215	+	ScheduledThreadPoolExecutor se = null;
216	+	try {
217	+	se = new ScheduledThreadPoolExecutor(1);
218	+	se.execute(null);
219	+	shouldThrow();
220	+	} catch (NullPointerException success) {}
221	+
222		joinPool(se);
223	+	}
224
225	+	/**
226	+	* schedule(null) throws NPE
227	+	*/
228	+	public void testScheduleNull() throws InterruptedException {
229	+	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
230	+	try {
231	+	TrackedCallable callable = null;
232	+	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
233	+	shouldThrow();
234	+	} catch (NullPointerException success) {}
235	+	joinPool(se);
236		}
237
238		/**
239	<	*   schedule(Callable, long, TimeUnit) throws RejectedExecutionException
141	<	*  This occurs on an attempt to schedule a task on a shutdown executor
239	>	* execute throws RejectedExecutionException if shutdown
240		*/
241	<	public void testSchedule2_RejectedExecutionException(){
242	<	ScheduledExecutor se = new ScheduledExecutor(1);
243	<	try{
241	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
242	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
243	>	try {
244		se.shutdown();
245	<	se.schedule(new NoOpCallable(),
246	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
247	<	fail("should throw");
248	<	} catch(RejectedExecutionException success){
245	>	se.schedule(new NoOpRunnable(),
246	>	MEDIUM_DELAY_MS, MILLISECONDS);
247	>	shouldThrow();
248	>	} catch (RejectedExecutionException success) {
249	>	} catch (SecurityException ok) {
250		}
251	+
252		joinPool(se);
253		}
254
255		/**
256	<	*   schedule(Callable, long) throws RejectedExecutionException
157	<	*  This occurs on an attempt to schedule a task on a shutdown executor
256	>	* schedule throws RejectedExecutionException if shutdown
257		*/
258	<	public void testSchedule3_RejectedExecutionException(){
259	<	ScheduledExecutor se = new ScheduledExecutor(1);
260	<	try{
258	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
259	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
260	>	try {
261		se.shutdown();
262		se.schedule(new NoOpCallable(),
263	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
264	<	fail("should throw");
265	<	} catch(RejectedExecutionException success){
266	<	}
267	<	joinPool(se);
263	>	MEDIUM_DELAY_MS, MILLISECONDS);
264	>	shouldThrow();
265	>	} catch (RejectedExecutionException success) {
266	>	} catch (SecurityException ok) {
267	>	}
268	>	joinPool(se);
269		}
270
271		/**
272	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
173	<	*  RejectedExecutionException.
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
272	>	* schedule callable throws RejectedExecutionException if shutdown
273		*/
274	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
275	<	ScheduledExecutor se = new ScheduledExecutor(1);
276	<	try{
274	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
275	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
276	>	try {
277		se.shutdown();
278	<	se.scheduleAtFixedRate(new NoOpRunnable(),
279	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
280	<	fail("should throw");
281	<	} catch(RejectedExecutionException success){
282	<	}
278	>	se.schedule(new NoOpCallable(),
279	>	MEDIUM_DELAY_MS, MILLISECONDS);
280	>	shouldThrow();
281	>	} catch (RejectedExecutionException success) {
282	>	} catch (SecurityException ok) {
283	>	}
284		joinPool(se);
285		}
286	<
286	>
287		/**
288	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
289	<	*  RejectedExecutionException.
290	<	*  This occurs on an attempt to schedule a task on a shutdown executor
291	<	*/
292	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
194	<	ScheduledExecutor se = new ScheduledExecutor(1);
195	<	try{
288	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
289	>	*/
290	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
291	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
292	>	try {
293		se.shutdown();
294		se.scheduleAtFixedRate(new NoOpRunnable(),
295	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
296	<	fail("should throw");
297	<	} catch(RejectedExecutionException success){
298	<	}
295	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
296	>	shouldThrow();
297	>	} catch (RejectedExecutionException success) {
298	>	} catch (SecurityException ok) {
299	>	}
300		joinPool(se);
301		}
302
303		/**
304	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
305	<	*  RejectedExecutionException.
306	<	*  This occurs on an attempt to schedule a task on a shutdown executor
307	<	*/
308	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
211	<	ScheduledExecutor se = new ScheduledExecutor(1);
212	<	try{
304	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
305	>	*/
306	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
307	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
308	>	try {
309		se.shutdown();
310		se.scheduleWithFixedDelay(new NoOpRunnable(),
311	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
312	<	fail("should throw");
313	<	} catch(RejectedExecutionException success){
314	<	}
311	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
312	>	shouldThrow();
313	>	} catch (RejectedExecutionException success) {
314	>	} catch (SecurityException ok) {
315	>	}
316		joinPool(se);
317		}
318
319		/**
320	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
321	<	*  RejectedExecutionException.
322	<	*  This occurs on an attempt to schedule a task on a shutdown executor
323	<	*/
324	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
325	<	ScheduledExecutor se = new ScheduledExecutor(1);
326	<	try{
327	<	se.shutdown();
328	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
329	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
330	<	fail("should throw");
331	<	} catch(RejectedExecutionException success){
332	<	}
333	<	joinPool(se);
320	>	* getActiveCount increases but doesn't overestimate, when a
321	>	* thread becomes active
322	>	*/
323	>	public void testGetActiveCount() throws InterruptedException {
324	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
325	>	final CountDownLatch threadStarted = new CountDownLatch(1);
326	>	final CountDownLatch done = new CountDownLatch(1);
327	>	try {
328	>	assertEquals(0, p.getActiveCount());
329	>	p.execute(new CheckedRunnable() {
330	>	public void realRun() throws InterruptedException {
331	>	threadStarted.countDown();
332	>	assertEquals(1, p.getActiveCount());
333	>	done.await();
334	>	}});
335	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
336	>	assertEquals(1, p.getActiveCount());
337	>	} finally {
338	>	done.countDown();
339	>	joinPool(p);
340	>	}
341		}
342
343		/**
344	<	*   execute throws RejectedExecutionException
345	<	*  This occurs on an attempt to schedule a task on a shutdown executor
344	>	* getCompletedTaskCount increases, but doesn't overestimate,
345	>	* when tasks complete
346		*/
347	<	public void testExecute_RejectedExecutionException(){
348	<	ScheduledExecutor se = new ScheduledExecutor(1);
349	<	try{
350	<	se.shutdown();
351	<	se.execute(new NoOpRunnable());
352	<	fail("should throw");
353	<	} catch(RejectedExecutionException success){
354	<	}
355	<	joinPool(se);
347	>	public void testGetCompletedTaskCount() throws InterruptedException {
348	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
349	>	final CountDownLatch threadStarted = new CountDownLatch(1);
350	>	final CountDownLatch threadProceed = new CountDownLatch(1);
351	>	final CountDownLatch threadDone = new CountDownLatch(1);
352	>	try {
353	>	assertEquals(0, p.getCompletedTaskCount());
354	>	p.execute(new CheckedRunnable() {
355	>	public void realRun() throws InterruptedException {
356	>	threadStarted.countDown();
357	>	assertEquals(0, p.getCompletedTaskCount());
358	>	threadProceed.await();
359	>	threadDone.countDown();
360	>	}});
361	>	await(threadStarted);
362	>	assertEquals(0, p.getCompletedTaskCount());
363	>	threadProceed.countDown();
364	>	threadDone.await();
365	>	long startTime = System.nanoTime();
366	>	while (p.getCompletedTaskCount() != 1) {
367	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
368	>	fail("timed out");
369	>	Thread.yield();
370	>	}
371	>	} finally {
372	>	joinPool(p);
373	>	}
374	>	}
375	>
376	>	/**
377	>	* getCorePoolSize returns size given in constructor if not otherwise set
378	>	*/
379	>	public void testGetCorePoolSize() throws InterruptedException {
380	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
381	>	assertEquals(1, p.getCorePoolSize());
382	>	joinPool(p);
383		}
384
385		/**
386	<	*   getActiveCount gives correct values
386	>	* getLargestPoolSize increases, but doesn't overestimate, when
387	>	* multiple threads active
388		*/
389	<	public void testGetActiveCount(){
390	<	ScheduledExecutor two = new ScheduledExecutor(2);
391	<	assertEquals(0, two.getActiveCount());
392	<	two.execute(new SmallRunnable());
393	<	try{
394	<	Thread.sleep(SHORT_DELAY_MS);
395	<	} catch(Exception e){
396	<	fail("unexpected exception");
389	>	public void testGetLargestPoolSize() throws InterruptedException {
390	>	final int THREADS = 3;
391	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
392	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
393	>	final CountDownLatch done = new CountDownLatch(1);
394	>	try {
395	>	assertEquals(0, p.getLargestPoolSize());
396	>	for (int i = 0; i < THREADS; i++)
397	>	p.execute(new CheckedRunnable() {
398	>	public void realRun() throws InterruptedException {
399	>	threadsStarted.countDown();
400	>	done.await();
401	>	assertEquals(THREADS, p.getLargestPoolSize());
402	>	}});
403	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
404	>	assertEquals(THREADS, p.getLargestPoolSize());
405	>	} finally {
406	>	done.countDown();
407	>	joinPool(p);
408	>	assertEquals(THREADS, p.getLargestPoolSize());
409	>	}
410	>	}
411	>
412	>	/**
413	>	* getPoolSize increases, but doesn't overestimate, when threads
414	>	* become active
415	>	*/
416	>	public void testGetPoolSize() throws InterruptedException {
417	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
418	>	final CountDownLatch threadStarted = new CountDownLatch(1);
419	>	final CountDownLatch done = new CountDownLatch(1);
420	>	try {
421	>	assertEquals(0, p.getPoolSize());
422	>	p.execute(new CheckedRunnable() {
423	>	public void realRun() throws InterruptedException {
424	>	threadStarted.countDown();
425	>	assertEquals(1, p.getPoolSize());
426	>	done.await();
427	>	}});
428	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
429	>	assertEquals(1, p.getPoolSize());
430	>	} finally {
431	>	done.countDown();
432	>	joinPool(p);
433		}
266	–	assertEquals(1, two.getActiveCount());
267	–	joinPool(two);
434		}
435	<
435	>
436		/**
437	<	*   getCompleteTaskCount gives correct values
437	>	* getTaskCount increases, but doesn't overestimate, when tasks
438	>	* submitted
439		*/
440	<	public void testGetCompletedTaskCount(){
441	<	ScheduledExecutor two = new ScheduledExecutor(2);
442	<	assertEquals(0, two.getCompletedTaskCount());
443	<	two.execute(new SmallRunnable());
444	<	try{
445	<	Thread.sleep(MEDIUM_DELAY_MS);
446	<	} catch(Exception e){
447	<	fail("unexpected exception");
440	>	public void testGetTaskCount() throws InterruptedException {
441	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
442	>	final CountDownLatch threadStarted = new CountDownLatch(1);
443	>	final CountDownLatch done = new CountDownLatch(1);
444	>	final int TASKS = 5;
445	>	try {
446	>	assertEquals(0, p.getTaskCount());
447	>	for (int i = 0; i < TASKS; i++)
448	>	p.execute(new CheckedRunnable() {
449	>	public void realRun() throws InterruptedException {
450	>	threadStarted.countDown();
451	>	done.await();
452	>	}});
453	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
454	>	assertEquals(TASKS, p.getTaskCount());
455	>	} finally {
456	>	done.countDown();
457	>	joinPool(p);
458		}
282	–	assertEquals(1, two.getCompletedTaskCount());
283	–	joinPool(two);
459		}
460	<
460	>
461		/**
462	<	*   getCorePoolSize gives correct values
462	>	* getThreadFactory returns factory in constructor if not set
463		*/
464	<	public void testGetCorePoolSize(){
465	<	ScheduledExecutor one = new ScheduledExecutor(1);
466	<	assertEquals(1, one.getCorePoolSize());
467	<	joinPool(one);
464	>	public void testGetThreadFactory() throws InterruptedException {
465	>	ThreadFactory tf = new SimpleThreadFactory();
466	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
467	>	assertSame(tf, p.getThreadFactory());
468	>	joinPool(p);
469		}
470	<
470	>
471		/**
472	<	*   getLargestPoolSize gives correct values
472	>	* setThreadFactory sets the thread factory returned by getThreadFactory
473		*/
474	<	public void testGetLargestPoolSize(){
475	<	ScheduledExecutor two = new ScheduledExecutor(2);
476	<	assertEquals(0, two.getLargestPoolSize());
477	<	two.execute(new SmallRunnable());
478	<	two.execute(new SmallRunnable());
479	<	try{
480	<	Thread.sleep(SHORT_DELAY_MS);
481	<	} catch(Exception e){
482	<	fail("unexpected exception");
474	>	public void testSetThreadFactory() throws InterruptedException {
475	>	ThreadFactory tf = new SimpleThreadFactory();
476	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
477	>	p.setThreadFactory(tf);
478	>	assertSame(tf, p.getThreadFactory());
479	>	joinPool(p);
480	>	}
481	>
482	>	/**
483	>	* setThreadFactory(null) throws NPE
484	>	*/
485	>	public void testSetThreadFactoryNull() throws InterruptedException {
486	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
487	>	try {
488	>	p.setThreadFactory(null);
489	>	shouldThrow();
490	>	} catch (NullPointerException success) {
491	>	} finally {
492	>	joinPool(p);
493	>	}
494	>	}
495	>
496	>	/**
497	>	* isShutdown is false before shutdown, true after
498	>	*/
499	>	public void testIsShutdown() {
500	>
501	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
502	>	try {
503	>	assertFalse(p.isShutdown());
504	>	}
505	>	finally {
506	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
507	>	}
508	>	assertTrue(p.isShutdown());
509	>	}
510	>
511	>	/**
512	>	* isTerminated is false before termination, true after
513	>	*/
514	>	public void testIsTerminated() throws InterruptedException {
515	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
516	>	final CountDownLatch threadStarted = new CountDownLatch(1);
517	>	final CountDownLatch done = new CountDownLatch(1);
518	>	assertFalse(p.isTerminated());
519	>	try {
520	>	p.execute(new CheckedRunnable() {
521	>	public void realRun() throws InterruptedException {
522	>	assertFalse(p.isTerminated());
523	>	threadStarted.countDown();
524	>	done.await();
525	>	}});
526	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
527	>	assertFalse(p.isTerminating());
528	>	done.countDown();
529	>	} finally {
530	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
531	>	}
532	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
533	>	assertTrue(p.isTerminated());
534	>	}
535	>
536	>	/**
537	>	* isTerminating is not true when running or when terminated
538	>	*/
539	>	public void testIsTerminating() throws InterruptedException {
540	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
541	>	final CountDownLatch threadStarted = new CountDownLatch(1);
542	>	final CountDownLatch done = new CountDownLatch(1);
543	>	try {
544	>	assertFalse(p.isTerminating());
545	>	p.execute(new CheckedRunnable() {
546	>	public void realRun() throws InterruptedException {
547	>	assertFalse(p.isTerminating());
548	>	threadStarted.countDown();
549	>	done.await();
550	>	}});
551	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
552	>	assertFalse(p.isTerminating());
553	>	done.countDown();
554	>	} finally {
555	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
556	>	}
557	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
558	>	assertTrue(p.isTerminated());
559	>	assertFalse(p.isTerminating());
560	>	}
561	>
562	>	/**
563	>	* getQueue returns the work queue, which contains queued tasks
564	>	*/
565	>	public void testGetQueue() throws InterruptedException {
566	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
567	>	final CountDownLatch threadStarted = new CountDownLatch(1);
568	>	final CountDownLatch done = new CountDownLatch(1);
569	>	try {
570	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
571	>	for (int i = 0; i < tasks.length; i++) {
572	>	Runnable r = new CheckedRunnable() {
573	>	public void realRun() throws InterruptedException {
574	>	threadStarted.countDown();
575	>	done.await();
576	>	}};
577	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
578	>	}
579	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
580	>	BlockingQueue<Runnable> q = p.getQueue();
581	>	assertTrue(q.contains(tasks[tasks.length - 1]));
582	>	assertFalse(q.contains(tasks[0]));
583	>	} finally {
584	>	done.countDown();
585	>	joinPool(p);
586	>	}
587	>	}
588	>
589	>	/**
590	>	* remove(task) removes queued task, and fails to remove active task
591	>	*/
592	>	public void testRemove() throws InterruptedException {
593	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
594	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
595	>	final CountDownLatch threadStarted = new CountDownLatch(1);
596	>	final CountDownLatch done = new CountDownLatch(1);
597	>	try {
598	>	for (int i = 0; i < tasks.length; i++) {
599	>	Runnable r = new CheckedRunnable() {
600	>	public void realRun() throws InterruptedException {
601	>	threadStarted.countDown();
602	>	done.await();
603	>	}};
604	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
605	>	}
606	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
607	>	BlockingQueue<Runnable> q = p.getQueue();
608	>	assertFalse(p.remove((Runnable)tasks[0]));
609	>	assertTrue(q.contains((Runnable)tasks[4]));
610	>	assertTrue(q.contains((Runnable)tasks[3]));
611	>	assertTrue(p.remove((Runnable)tasks[4]));
612	>	assertFalse(p.remove((Runnable)tasks[4]));
613	>	assertFalse(q.contains((Runnable)tasks[4]));
614	>	assertTrue(q.contains((Runnable)tasks[3]));
615	>	assertTrue(p.remove((Runnable)tasks[3]));
616	>	assertFalse(q.contains((Runnable)tasks[3]));
617	>	} finally {
618	>	done.countDown();
619	>	joinPool(p);
620	>	}
621	>	}
622	>
623	>	/**
624	>	* purge eventually removes cancelled tasks from the queue
625	>	*/
626	>	public void testPurge() throws InterruptedException {
627	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
628	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
629	>	for (int i = 0; i < tasks.length; i++)
630	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
631	>	LONG_DELAY_MS, MILLISECONDS);
632	>	try {
633	>	int max = tasks.length;
634	>	if (tasks[4].cancel(true)) --max;
635	>	if (tasks[3].cancel(true)) --max;
636	>	// There must eventually be an interference-free point at
637	>	// which purge will not fail. (At worst, when queue is empty.)
638	>	long startTime = System.nanoTime();
639	>	do {
640	>	p.purge();
641	>	long count = p.getTaskCount();
642	>	if (count == max)
643	>	return;
644	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
645	>	fail("Purge failed to remove cancelled tasks");
646	>	} finally {
647	>	for (ScheduledFuture task : tasks)
648	>	task.cancel(true);
649	>	joinPool(p);
650	>	}
651	>	}
652	>
653	>	/**
654	>	* shutdownNow returns a list containing tasks that were not run,
655	>	* and those tasks are drained from the queue
656	>	*/
657	>	public void testShutdownNow() {
658	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
659	>	for (int i = 0; i < 5; i++)
660	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
661	>	LONG_DELAY_MS, MILLISECONDS);
662	>	try {
663	>	List<Runnable> l = p.shutdownNow();
664	>	assertTrue(p.isShutdown());
665	>	assertTrue(p.getQueue().isEmpty());
666	>	assertEquals(5, l.size());
667	>	} catch (SecurityException ok) {
668	>	// Allowed in case test doesn't have privs
669	>	} finally {
670	>	joinPool(p);
671		}
308	–	assertEquals(2, two.getLargestPoolSize());
309	–	joinPool(two);
672		}
673	<
673	>
674		/**
675	<	*   getPoolSize gives correct values
675	>	* In default setting, shutdown cancels periodic but not delayed
676	>	* tasks at shutdown
677		*/
678	<	public void testGetPoolSize(){
679	<	ScheduledExecutor one = new ScheduledExecutor(1);
680	<	assertEquals(0, one.getPoolSize());
681	<	one.execute(new SmallRunnable());
682	<	assertEquals(1, one.getPoolSize());
683	<	joinPool(one);
678	>	public void testShutdown1() throws InterruptedException {
679	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
680	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
681	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
682	>
683	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
684	>	for (int i = 0; i < tasks.length; i++)
685	>	tasks[i] = p.schedule(new NoOpRunnable(),
686	>	SHORT_DELAY_MS, MILLISECONDS);
687	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
688	>	BlockingQueue<Runnable> q = p.getQueue();
689	>	for (ScheduledFuture task : tasks) {
690	>	assertFalse(task.isDone());
691	>	assertFalse(task.isCancelled());
692	>	assertTrue(q.contains(task));
693	>	}
694	>	assertTrue(p.isShutdown());
695	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
696	>	assertTrue(p.isTerminated());
697	>	for (ScheduledFuture task : tasks) {
698	>	assertTrue(task.isDone());
699	>	assertFalse(task.isCancelled());
700	>	}
701		}
702	<
702	>
703		/**
704	<	*   getTaskCount gives correct values
704	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
705	>	* delayed tasks are cancelled at shutdown
706		*/
707	<	public void testGetTaskCount(){
708	<	ScheduledExecutor one = new ScheduledExecutor(1);
709	<	assertEquals(0, one.getTaskCount());
710	<	for(int i = 0; i < 5; i++)
711	<	one.execute(new SmallRunnable());
712	<	try{
713	<	Thread.sleep(SHORT_DELAY_MS);
714	<	} catch(Exception e){
715	<	fail("unexpected exception");
707	>	public void testShutdown2() throws InterruptedException {
708	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
709	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
710	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
711	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
712	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
713	>	for (int i = 0; i < tasks.length; i++)
714	>	tasks[i] = p.schedule(new NoOpRunnable(),
715	>	SHORT_DELAY_MS, MILLISECONDS);
716	>	BlockingQueue q = p.getQueue();
717	>	assertEquals(tasks.length, q.size());
718	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
719	>	assertTrue(p.isShutdown());
720	>	assertTrue(q.isEmpty());
721	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
722	>	assertTrue(p.isTerminated());
723	>	for (ScheduledFuture task : tasks) {
724	>	assertTrue(task.isDone());
725	>	assertTrue(task.isCancelled());
726		}
336	–	assertEquals(5, one.getTaskCount());
337	–	joinPool(one);
727		}
728	<
728	>
729		/**
730	<	*   isShutDown gives correct values
730	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
731	>	* periodic tasks are cancelled at shutdown
732		*/
733	<	public void testIsShutdown(){
734	<
735	<	ScheduledExecutor one = new ScheduledExecutor(1);
733	>	public void testShutdown3() throws InterruptedException {
734	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
735	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
736	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
737	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
738	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
739	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
740	>	long initialDelay = LONG_DELAY_MS;
741	>	ScheduledFuture task =
742	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
743	>	5, MILLISECONDS);
744	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
745	>	assertTrue(p.isShutdown());
746	>	assertTrue(p.getQueue().isEmpty());
747	>	assertTrue(task.isDone());
748	>	assertTrue(task.isCancelled());
749	>	joinPool(p);
750	>	}
751	>
752	>	/**
753	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
754	>	* periodic tasks are not cancelled at shutdown
755	>	*/
756	>	public void testShutdown4() throws InterruptedException {
757	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
758	>	final CountDownLatch counter = new CountDownLatch(2);
759		try {
760	<	assertFalse(one.isShutdown());
760	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
761	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
762	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
763	>	final Runnable r = new CheckedRunnable() {
764	>	public void realRun() {
765	>	counter.countDown();
766	>	}};
767	>	ScheduledFuture task =
768	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
769	>	assertFalse(task.isDone());
770	>	assertFalse(task.isCancelled());
771	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
772	>	assertFalse(task.isCancelled());
773	>	assertFalse(p.isTerminated());
774	>	assertTrue(p.isShutdown());
775	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
776	>	assertFalse(task.isCancelled());
777	>	assertTrue(task.cancel(false));
778	>	assertTrue(task.isDone());
779	>	assertTrue(task.isCancelled());
780	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
781	>	assertTrue(p.isTerminated());
782		}
783		finally {
784	<	one.shutdown();
784	>	joinPool(p);
785		}
352	–	assertTrue(one.isShutdown());
786		}
787
355	–
788		/**
789	<	*   isTerminated gives correct values
358	<	*  Makes sure termination does not take an innapropriate
359	<	*  amount of time
789	>	* completed submit of callable returns result
790		*/
791	<	public void testIsTerminated(){
792	<	ScheduledExecutor one = new ScheduledExecutor(1);
791	>	public void testSubmitCallable() throws Exception {
792	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
793		try {
794	<	one.execute(new SmallRunnable());
794	>	Future<String> future = e.submit(new StringTask());
795	>	String result = future.get();
796	>	assertSame(TEST_STRING, result);
797		} finally {
798	<	one.shutdown();
798	>	joinPool(e);
799		}
800	+	}
801	+
802	+	/**
803	+	* completed submit of runnable returns successfully
804	+	*/
805	+	public void testSubmitRunnable() throws Exception {
806	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
807		try {
808	<	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
809	<	assertTrue(one.isTerminated());
810	<	} catch(Exception e){
811	<	fail("unexpected exception");
812	<	}
808	>	Future<?> future = e.submit(new NoOpRunnable());
809	>	future.get();
810	>	assertTrue(future.isDone());
811	>	} finally {
812	>	joinPool(e);
813	>	}
814		}
815
816		/**
817	<	*   that purge correctly removes cancelled tasks
378	<	*  from the queue
817	>	* completed submit of (runnable, result) returns result
818		*/
819	<	public void testPurge(){
820	<	ScheduledExecutor one = new ScheduledExecutor(1);
821	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
822	<	for(int i = 0; i < 5; i++){
823	<	tasks[i] = one.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
819	>	public void testSubmitRunnable2() throws Exception {
820	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
821	>	try {
822	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
823	>	String result = future.get();
824	>	assertSame(TEST_STRING, result);
825	>	} finally {
826	>	joinPool(e);
827		}
386	–	int max = 5;
387	–	if (tasks[4].cancel(true)) --max;
388	–	if (tasks[3].cancel(true)) --max;
389	–	one.purge();
390	–	long count = one.getTaskCount();
391	–	assertTrue(count > 0 && count <= max);
392	–	joinPool(one);
828		}
829
830		/**
831	<	*   shutDownNow returns a list
397	<	*  containing the correct number of elements
831	>	* invokeAny(null) throws NPE
832		*/
833	<	public void testShutDownNow(){
834	<	ScheduledExecutor one = new ScheduledExecutor(1);
835	<	for(int i = 0; i < 5; i++)
836	<	one.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
837	<	List l = one.shutdownNow();
838	<	assertTrue(one.isShutdown());
839	<	assertTrue(l.size() > 0 && l.size() <= 5);
840	<	joinPool(one);
833	>	public void testInvokeAny1() throws Exception {
834	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
835	>	try {
836	>	e.invokeAny(null);
837	>	shouldThrow();
838	>	} catch (NullPointerException success) {
839	>	} finally {
840	>	joinPool(e);
841	>	}
842		}
843
844	<	public void testShutDown1(){
844	>	/**
845	>	* invokeAny(empty collection) throws IAE
846	>	*/
847	>	public void testInvokeAny2() throws Exception {
848	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
849		try {
850	<	ScheduledExecutor one = new ScheduledExecutor(1);
851	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
852	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
850	>	e.invokeAny(new ArrayList<Callable<String>>());
851	>	shouldThrow();
852	>	} catch (IllegalArgumentException success) {
853	>	} finally {
854	>	joinPool(e);
855	>	}
856	>	}
857
858	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
859	<	for(int i = 0; i < 5; i++)
860	<	tasks[i] = one.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
861	<	one.shutdown();
862	<	BlockingQueue q = one.getQueue();
863	<	for (Iterator it = q.iterator(); it.hasNext();) {
864	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
865	<	assertFalse(t.isCancelled());
866	<	}
867	<	assertTrue(one.isShutdown());
868	<	Thread.sleep(SMALL_DELAY_MS);
869	<	for (int i = 0; i < 5; ++i) {
870	<	assertTrue(tasks[i].isDone());
871	<	assertFalse(tasks[i].isCancelled());
872	<	}
873	<
858	>	/**
859	>	* invokeAny(c) throws NPE if c has null elements
860	>	*/
861	>	public void testInvokeAny3() throws Exception {
862	>	CountDownLatch latch = new CountDownLatch(1);
863	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
864	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
865	>	l.add(latchAwaitingStringTask(latch));
866	>	l.add(null);
867	>	try {
868	>	e.invokeAny(l);
869	>	shouldThrow();
870	>	} catch (NullPointerException success) {
871	>	} finally {
872	>	latch.countDown();
873	>	joinPool(e);
874		}
875	<	catch(Exception ex) {
876	<	fail("unexpected exception");
875	>	}
876	>
877	>	/**
878	>	* invokeAny(c) throws ExecutionException if no task completes
879	>	*/
880	>	public void testInvokeAny4() throws Exception {
881	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
882	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
883	>	l.add(new NPETask());
884	>	try {
885	>	e.invokeAny(l);
886	>	shouldThrow();
887	>	} catch (ExecutionException success) {
888	>	assertTrue(success.getCause() instanceof NullPointerException);
889	>	} finally {
890	>	joinPool(e);
891		}
892		}
893
894	+	/**
895	+	* invokeAny(c) returns result of some task
896	+	*/
897	+	public void testInvokeAny5() throws Exception {
898	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
899	+	try {
900	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
901	+	l.add(new StringTask());
902	+	l.add(new StringTask());
903	+	String result = e.invokeAny(l);
904	+	assertSame(TEST_STRING, result);
905	+	} finally {
906	+	joinPool(e);
907	+	}
908	+	}
909
910	<	public void testShutDown2(){
910	>	/**
911	>	* invokeAll(null) throws NPE
912	>	*/
913	>	public void testInvokeAll1() throws Exception {
914	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
915		try {
916	<	ScheduledExecutor one = new ScheduledExecutor(1);
917	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
918	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
919	<	for(int i = 0; i < 5; i++)
920	<	tasks[i] = one.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
445	<	one.shutdown();
446	<	assertTrue(one.isShutdown());
447	<	BlockingQueue q = one.getQueue();
448	<	assertTrue(q.isEmpty());
449	<	Thread.sleep(SMALL_DELAY_MS);
450	<	assertTrue(one.isTerminated());
916	>	e.invokeAll(null);
917	>	shouldThrow();
918	>	} catch (NullPointerException success) {
919	>	} finally {
920	>	joinPool(e);
921		}
922	<	catch(Exception ex) {
923	<	fail("unexpected exception");
922	>	}
923	>
924	>	/**
925	>	* invokeAll(empty collection) returns empty collection
926	>	*/
927	>	public void testInvokeAll2() throws Exception {
928	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
929	>	try {
930	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
931	>	assertTrue(r.isEmpty());
932	>	} finally {
933	>	joinPool(e);
934		}
935		}
936
937	+	/**
938	+	* invokeAll(c) throws NPE if c has null elements
939	+	*/
940	+	public void testInvokeAll3() throws Exception {
941	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
942	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
943	+	l.add(new StringTask());
944	+	l.add(null);
945	+	try {
946	+	e.invokeAll(l);
947	+	shouldThrow();
948	+	} catch (NullPointerException success) {
949	+	} finally {
950	+	joinPool(e);
951	+	}
952	+	}
953
954	<	public void testShutDown3(){
954	>	/**
955	>	* get of invokeAll(c) throws exception on failed task
956	>	*/
957	>	public void testInvokeAll4() throws Exception {
958	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
959	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
960	>	l.add(new NPETask());
961	>	List<Future<String>> futures = e.invokeAll(l);
962	>	assertEquals(1, futures.size());
963		try {
964	<	ScheduledExecutor one = new ScheduledExecutor(1);
965	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
966	<	ScheduledCancellable task =
967	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
968	<	one.shutdown();
969	<	assertTrue(one.isShutdown());
466	<	BlockingQueue q = one.getQueue();
467	<	assertTrue(q.isEmpty());
468	<	Thread.sleep(SHORT_DELAY_MS);
469	<	assertTrue(one.isTerminated());
964	>	futures.get(0).get();
965	>	shouldThrow();
966	>	} catch (ExecutionException success) {
967	>	assertTrue(success.getCause() instanceof NullPointerException);
968	>	} finally {
969	>	joinPool(e);
970		}
971	<	catch(Exception ex) {
972	<	fail("unexpected exception");
971	>	}
972	>
973	>	/**
974	>	* invokeAll(c) returns results of all completed tasks
975	>	*/
976	>	public void testInvokeAll5() throws Exception {
977	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
978	>	try {
979	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
980	>	l.add(new StringTask());
981	>	l.add(new StringTask());
982	>	List<Future<String>> futures = e.invokeAll(l);
983	>	assertEquals(2, futures.size());
984	>	for (Future<String> future : futures)
985	>	assertSame(TEST_STRING, future.get());
986	>	} finally {
987	>	joinPool(e);
988		}
989		}
990
991	<	public void testShutDown4(){
992	<	ScheduledExecutor one = new ScheduledExecutor(1);
991	>	/**
992	>	* timed invokeAny(null) throws NPE
993	>	*/
994	>	public void testTimedInvokeAny1() throws Exception {
995	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
996		try {
997	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
998	<	ScheduledCancellable task =
999	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
1000	<	assertFalse(task.isCancelled());
1001	<	one.shutdown();
1002	<	assertFalse(task.isCancelled());
1003	<	assertFalse(one.isTerminated());
1004	<	assertTrue(one.isShutdown());
1005	<	Thread.sleep(SHORT_DELAY_MS);
1006	<	assertFalse(task.isCancelled());
1007	<	task.cancel(true);
1008	<	assertTrue(task.isCancelled());
1009	<	Thread.sleep(SHORT_DELAY_MS);
1010	<	assertTrue(one.isTerminated());
997	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
998	>	shouldThrow();
999	>	} catch (NullPointerException success) {
1000	>	} finally {
1001	>	joinPool(e);
1002	>	}
1003	>	}
1004	>
1005	>	/**
1006	>	* timed invokeAny(,,null) throws NPE
1007	>	*/
1008	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1009	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1010	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1011	>	l.add(new StringTask());
1012	>	try {
1013	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1014	>	shouldThrow();
1015	>	} catch (NullPointerException success) {
1016	>	} finally {
1017	>	joinPool(e);
1018		}
1019	<	catch(Exception ex) {
1020	<	fail("unexpected exception");
1019	>	}
1020	>
1021	>	/**
1022	>	* timed invokeAny(empty collection) throws IAE
1023	>	*/
1024	>	public void testTimedInvokeAny2() throws Exception {
1025	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1026	>	try {
1027	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1028	>	shouldThrow();
1029	>	} catch (IllegalArgumentException success) {
1030	>	} finally {
1031	>	joinPool(e);
1032		}
1033	<	finally {
1034	<	one.shutdownNow();
1033	>	}
1034	>
1035	>	/**
1036	>	* timed invokeAny(c) throws NPE if c has null elements
1037	>	*/
1038	>	public void testTimedInvokeAny3() throws Exception {
1039	>	CountDownLatch latch = new CountDownLatch(1);
1040	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1042	>	l.add(latchAwaitingStringTask(latch));
1043	>	l.add(null);
1044	>	try {
1045	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1046	>	shouldThrow();
1047	>	} catch (NullPointerException success) {
1048	>	} finally {
1049	>	latch.countDown();
1050	>	joinPool(e);
1051	>	}
1052	>	}
1053	>
1054	>	/**
1055	>	* timed invokeAny(c) throws ExecutionException if no task completes
1056	>	*/
1057	>	public void testTimedInvokeAny4() throws Exception {
1058	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1059	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1060	>	l.add(new NPETask());
1061	>	try {
1062	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1063	>	shouldThrow();
1064	>	} catch (ExecutionException success) {
1065	>	assertTrue(success.getCause() instanceof NullPointerException);
1066	>	} finally {
1067	>	joinPool(e);
1068	>	}
1069	>	}
1070	>
1071	>	/**
1072	>	* timed invokeAny(c) returns result of some task
1073	>	*/
1074	>	public void testTimedInvokeAny5() throws Exception {
1075	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1076	>	try {
1077	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1078	>	l.add(new StringTask());
1079	>	l.add(new StringTask());
1080	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1081	>	assertSame(TEST_STRING, result);
1082	>	} finally {
1083	>	joinPool(e);
1084	>	}
1085	>	}
1086	>
1087	>	/**
1088	>	* timed invokeAll(null) throws NPE
1089	>	*/
1090	>	public void testTimedInvokeAll1() throws Exception {
1091	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1092	>	try {
1093	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1094	>	shouldThrow();
1095	>	} catch (NullPointerException success) {
1096	>	} finally {
1097	>	joinPool(e);
1098	>	}
1099	>	}
1100	>
1101	>	/**
1102	>	* timed invokeAll(,,null) throws NPE
1103	>	*/
1104	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1105	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1106	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1107	>	l.add(new StringTask());
1108	>	try {
1109	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1110	>	shouldThrow();
1111	>	} catch (NullPointerException success) {
1112	>	} finally {
1113	>	joinPool(e);
1114	>	}
1115	>	}
1116	>
1117	>	/**
1118	>	* timed invokeAll(empty collection) returns empty collection
1119	>	*/
1120	>	public void testTimedInvokeAll2() throws Exception {
1121	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1122	>	try {
1123	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1124	>	assertTrue(r.isEmpty());
1125	>	} finally {
1126	>	joinPool(e);
1127	>	}
1128	>	}
1129	>
1130	>	/**
1131	>	* timed invokeAll(c) throws NPE if c has null elements
1132	>	*/
1133	>	public void testTimedInvokeAll3() throws Exception {
1134	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1135	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1136	>	l.add(new StringTask());
1137	>	l.add(null);
1138	>	try {
1139	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1140	>	shouldThrow();
1141	>	} catch (NullPointerException success) {
1142	>	} finally {
1143	>	joinPool(e);
1144	>	}
1145	>	}
1146	>
1147	>	/**
1148	>	* get of element of invokeAll(c) throws exception on failed task
1149	>	*/
1150	>	public void testTimedInvokeAll4() throws Exception {
1151	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1152	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1153	>	l.add(new NPETask());
1154	>	List<Future<String>> futures =
1155	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1156	>	assertEquals(1, futures.size());
1157	>	try {
1158	>	futures.get(0).get();
1159	>	shouldThrow();
1160	>	} catch (ExecutionException success) {
1161	>	assertTrue(success.getCause() instanceof NullPointerException);
1162	>	} finally {
1163	>	joinPool(e);
1164	>	}
1165	>	}
1166	>
1167	>	/**
1168	>	* timed invokeAll(c) returns results of all completed tasks
1169	>	*/
1170	>	public void testTimedInvokeAll5() throws Exception {
1171	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1172	>	try {
1173	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1174	>	l.add(new StringTask());
1175	>	l.add(new StringTask());
1176	>	List<Future<String>> futures =
1177	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1178	>	assertEquals(2, futures.size());
1179	>	for (Future<String> future : futures)
1180	>	assertSame(TEST_STRING, future.get());
1181	>	} finally {
1182	>	joinPool(e);
1183	>	}
1184	>	}
1185	>
1186	>	/**
1187	>	* timed invokeAll(c) cancels tasks not completed by timeout
1188	>	*/
1189	>	public void testTimedInvokeAll6() throws Exception {
1190	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1191	>	try {
1192	>	for (long timeout = timeoutMillis();;) {
1193	>	List<Callable<String>> tasks = new ArrayList<>();
1194	>	tasks.add(new StringTask("0"));
1195	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1196	>	tasks.add(new StringTask("2"));
1197	>	long startTime = System.nanoTime();
1198	>	List<Future<String>> futures =
1199	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1200	>	assertEquals(tasks.size(), futures.size());
1201	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1202	>	for (Future future : futures)
1203	>	assertTrue(future.isDone());
1204	>	assertTrue(futures.get(1).isCancelled());
1205	>	try {
1206	>	assertEquals("0", futures.get(0).get());
1207	>	assertEquals("2", futures.get(2).get());
1208	>	break;
1209	>	} catch (CancellationException retryWithLongerTimeout) {
1210	>	timeout *= 2;
1211	>	if (timeout >= LONG_DELAY_MS / 2)
1212	>	fail("expected exactly one task to be cancelled");
1213	>	}
1214	>	}
1215	>	} finally {
1216	>	joinPool(e);
1217		}
1218		}
1219

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