ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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 1.56 by jsr166, Mon Sep 28 02:41:29 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	>	import static java.util.concurrent.TimeUnit.SECONDS;
11	>
12	>	import java.util.ArrayList;
13	>	import java.util.HashSet;
14	>	import java.util.List;
15	>	import java.util.concurrent.BlockingQueue;
16	>	import java.util.concurrent.Callable;
17	>	import java.util.concurrent.CancellationException;
18	>	import java.util.concurrent.CountDownLatch;
19	>	import java.util.concurrent.ExecutionException;
20	>	import java.util.concurrent.Executors;
21	>	import java.util.concurrent.ExecutorService;
22	>	import java.util.concurrent.Future;
23	>	import java.util.concurrent.RejectedExecutionException;
24	>	import java.util.concurrent.ScheduledFuture;
25	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
26	>	import java.util.concurrent.ThreadFactory;
27	>	import java.util.concurrent.ThreadPoolExecutor;
28	>	import java.util.concurrent.atomic.AtomicInteger;
29	>
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32
33		public class ScheduledExecutorTest extends JSR166TestCase {
34		public static void main(String[] args) {
35	<	junit.textui.TestRunner.run (suite());
35	>	main(suite(), args);
36		}
37		public static Test suite() {
38	<	return new TestSuite(ScheduledExecutorTest.class);
38	>	return new TestSuite(ScheduledExecutorTest.class);
39		}
40
41	<	static class MyRunnable implements Runnable {
42	<	volatile boolean done = false;
43	<	public void run(){
44	<	try{
45	<	Thread.sleep(SMALL_DELAY_MS);
46	<	done = true;
47	<	} catch(Exception e){
48	<	}
41	>	/**
42	>	* execute successfully executes a runnable
43	>	*/
44	>	public void testExecute() throws InterruptedException {
45	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
46	>	final CountDownLatch done = new CountDownLatch(1);
47	>	final Runnable task = new CheckedRunnable() {
48	>	public void realRun() {
49	>	done.countDown();
50	>	}};
51	>	try {
52	>	p.execute(task);
53	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
54	>	} finally {
55	>	joinPool(p);
56	>	}
57	>	}
58	>
59	>	/**
60	>	* delayed schedule of callable successfully executes after delay
61	>	*/
62	>	public void testSchedule1() throws Exception {
63	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
64	>	final long startTime = System.nanoTime();
65	>	final CountDownLatch done = new CountDownLatch(1);
66	>	try {
67	>	Callable task = new CheckedCallable<Boolean>() {
68	>	public Boolean realCall() {
69	>	done.countDown();
70	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
71	>	return Boolean.TRUE;
72	>	}};
73	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
74	>	assertSame(Boolean.TRUE, f.get());
75	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
76	>	assertTrue(done.await(0L, MILLISECONDS));
77	>	} finally {
78	>	joinPool(p);
79		}
80		}
81
82	<	static class MyCallable implements Callable {
83	<	volatile boolean done = false;
84	<	public Object call(){
85	<	try{
86	<	Thread.sleep(SMALL_DELAY_MS);
87	<	done = true;
88	<	}catch(Exception e){}
89	<	return Boolean.TRUE;
82	>	/**
83	>	* delayed schedule of runnable successfully executes after delay
84	>	*/
85	>	public void testSchedule3() throws Exception {
86	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
87	>	final long startTime = System.nanoTime();
88	>	final CountDownLatch done = new CountDownLatch(1);
89	>	try {
90	>	Runnable task = new CheckedRunnable() {
91	>	public void realRun() {
92	>	done.countDown();
93	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
94	>	}};
95	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
96	>	await(done);
97	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
98	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
99	>	} finally {
100	>	joinPool(p);
101		}
102		}
103
104	<	public void testExecute(){
105	<	try{
106	<	MyRunnable runnable =new MyRunnable();
107	<	ScheduledExecutor one = new ScheduledExecutor(1);
108	<	one.execute(runnable);
109	<	assertFalse(runnable.done);
110	<	Thread.sleep(SHORT_DELAY_MS);
111	<	one.shutdown();
112	<	try{
113	<	Thread.sleep(MEDIUM_DELAY_MS);
114	<	} catch(InterruptedException e){
115	<	fail("unexpected exception");
104	>	/**
105	>	* scheduleAtFixedRate executes runnable after given initial delay
106	>	*/
107	>	public void testSchedule4() throws Exception {
108	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
109	>	final long startTime = System.nanoTime();
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	try {
112	>	Runnable task = new CheckedRunnable() {
113	>	public void realRun() {
114	>	done.countDown();
115	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
116	>	}};
117	>	ScheduledFuture f =
118	>	p.scheduleAtFixedRate(task, timeoutMillis(),
119	>	LONG_DELAY_MS, MILLISECONDS);
120	>	await(done);
121	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
122	>	f.cancel(true);
123	>	} finally {
124	>	joinPool(p);
125	>	}
126	>	}
127	>
128	>	/**
129	>	* scheduleWithFixedDelay executes runnable after given initial delay
130	>	*/
131	>	public void testSchedule5() throws Exception {
132	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
133	>	final long startTime = System.nanoTime();
134	>	final CountDownLatch done = new CountDownLatch(1);
135	>	try {
136	>	Runnable task = new CheckedRunnable() {
137	>	public void realRun() {
138	>	done.countDown();
139	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
140	>	}};
141	>	ScheduledFuture f =
142	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
143	>	LONG_DELAY_MS, MILLISECONDS);
144	>	await(done);
145	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
146	>	f.cancel(true);
147	>	} finally {
148	>	joinPool(p);
149	>	}
150	>	}
151	>
152	>	static class RunnableCounter implements Runnable {
153	>	AtomicInteger count = new AtomicInteger(0);
154	>	public void run() { count.getAndIncrement(); }
155	>	}
156	>
157	>	/**
158	>	* scheduleAtFixedRate executes series of tasks at given rate
159	>	*/
160	>	public void testFixedRateSequence() throws InterruptedException {
161	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
162	>	try {
163	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
164	>	long startTime = System.nanoTime();
165	>	int cycles = 10;
166	>	final CountDownLatch done = new CountDownLatch(cycles);
167	>	Runnable task = new CheckedRunnable() {
168	>	public void realRun() { done.countDown(); }};
169	>	ScheduledFuture h =
170	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
171	>	done.await();
172	>	h.cancel(true);
173	>	double normalizedTime =
174	>	(double) millisElapsedSince(startTime) / delay;
175	>	if (normalizedTime >= cycles - 1 &&
176	>	normalizedTime <= cycles)
177	>	return;
178		}
179	<	assertTrue(runnable.done);
180	<	one.shutdown();
181	<	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){
179	>	throw new AssertionError("unexpected execution rate");
180	>	} finally {
181	>	joinPool(p);
182		}
183	+	}
184	+
185	+	/**
186	+	* scheduleWithFixedDelay executes series of tasks with given period
187	+	*/
188	+	public void testFixedDelaySequence() throws InterruptedException {
189	+	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
190	+	try {
191	+	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
192	+	long startTime = System.nanoTime();
193	+	int cycles = 10;
194	+	final CountDownLatch done = new CountDownLatch(cycles);
195	+	Runnable task = new CheckedRunnable() {
196	+	public void realRun() { done.countDown(); }};
197	+	ScheduledFuture h =
198	+	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
199	+	done.await();
200	+	h.cancel(true);
201	+	double normalizedTime =
202	+	(double) millisElapsedSince(startTime) / delay;
203	+	if (normalizedTime >= cycles - 1 &&
204	+	normalizedTime <= cycles)
205	+	return;
206	+	}
207	+	throw new AssertionError("unexpected execution rate");
208	+	} finally {
209	+	joinPool(p);
210	+	}
211	+	}
212	+
213	+	/**
214	+	* execute(null) throws NPE
215	+	*/
216	+	public void testExecuteNull() throws InterruptedException {
217	+	ScheduledThreadPoolExecutor se = null;
218	+	try {
219	+	se = new ScheduledThreadPoolExecutor(1);
220	+	se.execute(null);
221	+	shouldThrow();
222	+	} catch (NullPointerException success) {}
223	+
224		joinPool(se);
225	+	}
226
227	+	/**
228	+	* schedule(null) throws NPE
229	+	*/
230	+	public void testScheduleNull() throws InterruptedException {
231	+	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
232	+	try {
233	+	TrackedCallable callable = null;
234	+	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
235	+	shouldThrow();
236	+	} catch (NullPointerException success) {}
237	+	joinPool(se);
238		}
239
240		/**
241	<	*   schedule(Callable, long, TimeUnit) throws RejectedExecutionException
141	<	*  This occurs on an attempt to schedule a task on a shutdown executor
241	>	* execute throws RejectedExecutionException if shutdown
242		*/
243	<	public void testSchedule2_RejectedExecutionException(){
244	<	ScheduledExecutor se = new ScheduledExecutor(1);
245	<	try{
243	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
244	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
245	>	try {
246		se.shutdown();
247	<	se.schedule(new NoOpCallable(),
248	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
249	<	fail("should throw");
250	<	} catch(RejectedExecutionException success){
247	>	se.schedule(new NoOpRunnable(),
248	>	MEDIUM_DELAY_MS, MILLISECONDS);
249	>	shouldThrow();
250	>	} catch (RejectedExecutionException success) {
251	>	} catch (SecurityException ok) {
252		}
253	+
254		joinPool(se);
255		}
256
257		/**
258	<	*   schedule(Callable, long) throws RejectedExecutionException
157	<	*  This occurs on an attempt to schedule a task on a shutdown executor
258	>	* schedule throws RejectedExecutionException if shutdown
259		*/
260	<	public void testSchedule3_RejectedExecutionException(){
261	<	ScheduledExecutor se = new ScheduledExecutor(1);
262	<	try{
260	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
261	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
262	>	try {
263		se.shutdown();
264		se.schedule(new NoOpCallable(),
265	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
266	<	fail("should throw");
267	<	} catch(RejectedExecutionException success){
268	<	}
269	<	joinPool(se);
265	>	MEDIUM_DELAY_MS, MILLISECONDS);
266	>	shouldThrow();
267	>	} catch (RejectedExecutionException success) {
268	>	} catch (SecurityException ok) {
269	>	}
270	>	joinPool(se);
271		}
272
273		/**
274	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
173	<	*  RejectedExecutionException.
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
274	>	* schedule callable throws RejectedExecutionException if shutdown
275		*/
276	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
277	<	ScheduledExecutor se = new ScheduledExecutor(1);
278	<	try{
276	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
277	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
278	>	try {
279		se.shutdown();
280	<	se.scheduleAtFixedRate(new NoOpRunnable(),
281	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
282	<	fail("should throw");
283	<	} catch(RejectedExecutionException success){
284	<	}
280	>	se.schedule(new NoOpCallable(),
281	>	MEDIUM_DELAY_MS, MILLISECONDS);
282	>	shouldThrow();
283	>	} catch (RejectedExecutionException success) {
284	>	} catch (SecurityException ok) {
285	>	}
286		joinPool(se);
287		}
288	<
288	>
289		/**
290	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
291	<	*  RejectedExecutionException.
292	<	*  This occurs on an attempt to schedule a task on a shutdown executor
293	<	*/
294	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
194	<	ScheduledExecutor se = new ScheduledExecutor(1);
195	<	try{
290	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
291	>	*/
292	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
293	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
294	>	try {
295		se.shutdown();
296		se.scheduleAtFixedRate(new NoOpRunnable(),
297	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
298	<	fail("should throw");
299	<	} catch(RejectedExecutionException success){
300	<	}
297	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
298	>	shouldThrow();
299	>	} catch (RejectedExecutionException success) {
300	>	} catch (SecurityException ok) {
301	>	}
302		joinPool(se);
303		}
304
305		/**
306	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
307	<	*  RejectedExecutionException.
308	<	*  This occurs on an attempt to schedule a task on a shutdown executor
309	<	*/
310	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
211	<	ScheduledExecutor se = new ScheduledExecutor(1);
212	<	try{
306	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
307	>	*/
308	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
309	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
310	>	try {
311		se.shutdown();
312		se.scheduleWithFixedDelay(new NoOpRunnable(),
313	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
314	<	fail("should throw");
315	<	} catch(RejectedExecutionException success){
316	<	}
313	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
314	>	shouldThrow();
315	>	} catch (RejectedExecutionException success) {
316	>	} catch (SecurityException ok) {
317	>	}
318		joinPool(se);
319		}
320
321		/**
322	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
323	<	*  RejectedExecutionException.
324	<	*  This occurs on an attempt to schedule a task on a shutdown executor
325	<	*/
326	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
327	<	ScheduledExecutor se = new ScheduledExecutor(1);
328	<	try{
329	<	se.shutdown();
330	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
331	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
332	<	fail("should throw");
333	<	} catch(RejectedExecutionException success){
334	<	}
335	<	joinPool(se);
322	>	* getActiveCount increases but doesn't overestimate, when a
323	>	* thread becomes active
324	>	*/
325	>	public void testGetActiveCount() throws InterruptedException {
326	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
327	>	final CountDownLatch threadStarted = new CountDownLatch(1);
328	>	final CountDownLatch done = new CountDownLatch(1);
329	>	try {
330	>	assertEquals(0, p.getActiveCount());
331	>	p.execute(new CheckedRunnable() {
332	>	public void realRun() throws InterruptedException {
333	>	threadStarted.countDown();
334	>	assertEquals(1, p.getActiveCount());
335	>	done.await();
336	>	}});
337	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
338	>	assertEquals(1, p.getActiveCount());
339	>	} finally {
340	>	done.countDown();
341	>	joinPool(p);
342	>	}
343		}
344
345		/**
346	<	*   execute throws RejectedExecutionException
347	<	*  This occurs on an attempt to schedule a task on a shutdown executor
346	>	* getCompletedTaskCount increases, but doesn't overestimate,
347	>	* when tasks complete
348		*/
349	<	public void testExecute_RejectedExecutionException(){
350	<	ScheduledExecutor se = new ScheduledExecutor(1);
351	<	try{
352	<	se.shutdown();
353	<	se.execute(new NoOpRunnable());
354	<	fail("should throw");
355	<	} catch(RejectedExecutionException success){
356	<	}
357	<	joinPool(se);
349	>	public void testGetCompletedTaskCount() throws InterruptedException {
350	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
351	>	final CountDownLatch threadStarted = new CountDownLatch(1);
352	>	final CountDownLatch threadProceed = new CountDownLatch(1);
353	>	final CountDownLatch threadDone = new CountDownLatch(1);
354	>	try {
355	>	assertEquals(0, p.getCompletedTaskCount());
356	>	p.execute(new CheckedRunnable() {
357	>	public void realRun() throws InterruptedException {
358	>	threadStarted.countDown();
359	>	assertEquals(0, p.getCompletedTaskCount());
360	>	threadProceed.await();
361	>	threadDone.countDown();
362	>	}});
363	>	await(threadStarted);
364	>	assertEquals(0, p.getCompletedTaskCount());
365	>	threadProceed.countDown();
366	>	threadDone.await();
367	>	long startTime = System.nanoTime();
368	>	while (p.getCompletedTaskCount() != 1) {
369	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
370	>	fail("timed out");
371	>	Thread.yield();
372	>	}
373	>	} finally {
374	>	joinPool(p);
375	>	}
376	>	}
377	>
378	>	/**
379	>	* getCorePoolSize returns size given in constructor if not otherwise set
380	>	*/
381	>	public void testGetCorePoolSize() throws InterruptedException {
382	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
383	>	assertEquals(1, p.getCorePoolSize());
384	>	joinPool(p);
385	>	}
386	>
387	>	/**
388	>	* getLargestPoolSize increases, but doesn't overestimate, when
389	>	* multiple threads active
390	>	*/
391	>	public void testGetLargestPoolSize() throws InterruptedException {
392	>	final int THREADS = 3;
393	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
394	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
395	>	final CountDownLatch done = new CountDownLatch(1);
396	>	try {
397	>	assertEquals(0, p.getLargestPoolSize());
398	>	for (int i = 0; i < THREADS; i++)
399	>	p.execute(new CheckedRunnable() {
400	>	public void realRun() throws InterruptedException {
401	>	threadsStarted.countDown();
402	>	done.await();
403	>	assertEquals(THREADS, p.getLargestPoolSize());
404	>	}});
405	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
406	>	assertEquals(THREADS, p.getLargestPoolSize());
407	>	} finally {
408	>	done.countDown();
409	>	joinPool(p);
410	>	assertEquals(THREADS, p.getLargestPoolSize());
411	>	}
412	>	}
413	>
414	>	/**
415	>	* getPoolSize increases, but doesn't overestimate, when threads
416	>	* become active
417	>	*/
418	>	public void testGetPoolSize() throws InterruptedException {
419	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
420	>	final CountDownLatch threadStarted = new CountDownLatch(1);
421	>	final CountDownLatch done = new CountDownLatch(1);
422	>	try {
423	>	assertEquals(0, p.getPoolSize());
424	>	p.execute(new CheckedRunnable() {
425	>	public void realRun() throws InterruptedException {
426	>	threadStarted.countDown();
427	>	assertEquals(1, p.getPoolSize());
428	>	done.await();
429	>	}});
430	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
431	>	assertEquals(1, p.getPoolSize());
432	>	} finally {
433	>	done.countDown();
434	>	joinPool(p);
435	>	}
436	>	}
437	>
438	>	/**
439	>	* getTaskCount increases, but doesn't overestimate, when tasks
440	>	* submitted
441	>	*/
442	>	public void testGetTaskCount() throws InterruptedException {
443	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
444	>	final CountDownLatch threadStarted = new CountDownLatch(1);
445	>	final CountDownLatch done = new CountDownLatch(1);
446	>	final int TASKS = 5;
447	>	try {
448	>	assertEquals(0, p.getTaskCount());
449	>	for (int i = 0; i < TASKS; i++)
450	>	p.execute(new CheckedRunnable() {
451	>	public void realRun() throws InterruptedException {
452	>	threadStarted.countDown();
453	>	done.await();
454	>	}});
455	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
456	>	assertEquals(TASKS, p.getTaskCount());
457	>	} finally {
458	>	done.countDown();
459	>	joinPool(p);
460	>	}
461	>	}
462	>
463	>	/**
464	>	* getThreadFactory returns factory in constructor if not set
465	>	*/
466	>	public void testGetThreadFactory() throws InterruptedException {
467	>	ThreadFactory tf = new SimpleThreadFactory();
468	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
469	>	assertSame(tf, p.getThreadFactory());
470	>	joinPool(p);
471	>	}
472	>
473	>	/**
474	>	* setThreadFactory sets the thread factory returned by getThreadFactory
475	>	*/
476	>	public void testSetThreadFactory() throws InterruptedException {
477	>	ThreadFactory tf = new SimpleThreadFactory();
478	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
479	>	p.setThreadFactory(tf);
480	>	assertSame(tf, p.getThreadFactory());
481	>	joinPool(p);
482	>	}
483	>
484	>	/**
485	>	* setThreadFactory(null) throws NPE
486	>	*/
487	>	public void testSetThreadFactoryNull() throws InterruptedException {
488	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
489	>	try {
490	>	p.setThreadFactory(null);
491	>	shouldThrow();
492	>	} catch (NullPointerException success) {
493	>	} finally {
494	>	joinPool(p);
495	>	}
496		}
497
498		/**
499	<	*   getActiveCount gives correct values
499	>	* isShutdown is false before shutdown, true after
500		*/
501	<	public void testGetActiveCount(){
502	<	ScheduledExecutor two = new ScheduledExecutor(2);
503	<	assertEquals(0, two.getActiveCount());
504	<	two.execute(new SmallRunnable());
505	<	try{
262	<	Thread.sleep(SHORT_DELAY_MS);
263	<	} catch(Exception e){
264	<	fail("unexpected exception");
501	>	public void testIsShutdown() {
502	>
503	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
504	>	try {
505	>	assertFalse(p.isShutdown());
506		}
507	<	assertEquals(1, two.getActiveCount());
508	<	joinPool(two);
507	>	finally {
508	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
509	>	}
510	>	assertTrue(p.isShutdown());
511		}
512	<
512	>
513		/**
514	<	*   getCompleteTaskCount gives correct values
514	>	* isTerminated is false before termination, true after
515		*/
516	<	public void testGetCompletedTaskCount(){
517	<	ScheduledExecutor two = new ScheduledExecutor(2);
518	<	assertEquals(0, two.getCompletedTaskCount());
519	<	two.execute(new SmallRunnable());
520	<	try{
521	<	Thread.sleep(MEDIUM_DELAY_MS);
522	<	} catch(Exception e){
523	<	fail("unexpected exception");
516	>	public void testIsTerminated() throws InterruptedException {
517	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
518	>	final CountDownLatch threadStarted = new CountDownLatch(1);
519	>	final CountDownLatch done = new CountDownLatch(1);
520	>	assertFalse(p.isTerminated());
521	>	try {
522	>	p.execute(new CheckedRunnable() {
523	>	public void realRun() throws InterruptedException {
524	>	assertFalse(p.isTerminated());
525	>	threadStarted.countDown();
526	>	done.await();
527	>	}});
528	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
529	>	assertFalse(p.isTerminating());
530	>	done.countDown();
531	>	} finally {
532	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
533		}
534	<	assertEquals(1, two.getCompletedTaskCount());
535	<	joinPool(two);
534	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
535	>	assertTrue(p.isTerminated());
536		}
537	<
537	>
538		/**
539	<	*   getCorePoolSize gives correct values
539	>	* isTerminating is not true when running or when terminated
540		*/
541	<	public void testGetCorePoolSize(){
542	<	ScheduledExecutor one = new ScheduledExecutor(1);
543	<	assertEquals(1, one.getCorePoolSize());
544	<	joinPool(one);
541	>	public void testIsTerminating() throws InterruptedException {
542	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
543	>	final CountDownLatch threadStarted = new CountDownLatch(1);
544	>	final CountDownLatch done = new CountDownLatch(1);
545	>	try {
546	>	assertFalse(p.isTerminating());
547	>	p.execute(new CheckedRunnable() {
548	>	public void realRun() throws InterruptedException {
549	>	assertFalse(p.isTerminating());
550	>	threadStarted.countDown();
551	>	done.await();
552	>	}});
553	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
554	>	assertFalse(p.isTerminating());
555	>	done.countDown();
556	>	} finally {
557	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
558	>	}
559	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
560	>	assertTrue(p.isTerminated());
561	>	assertFalse(p.isTerminating());
562		}
563	<
563	>
564		/**
565	<	*   getLargestPoolSize gives correct values
565	>	* getQueue returns the work queue, which contains queued tasks
566		*/
567	<	public void testGetLargestPoolSize(){
568	<	ScheduledExecutor two = new ScheduledExecutor(2);
569	<	assertEquals(0, two.getLargestPoolSize());
570	<	two.execute(new SmallRunnable());
571	<	two.execute(new SmallRunnable());
572	<	try{
573	<	Thread.sleep(SHORT_DELAY_MS);
574	<	} catch(Exception e){
575	<	fail("unexpected exception");
567	>	public void testGetQueue() throws InterruptedException {
568	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
569	>	final CountDownLatch threadStarted = new CountDownLatch(1);
570	>	final CountDownLatch done = new CountDownLatch(1);
571	>	try {
572	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
573	>	for (int i = 0; i < tasks.length; i++) {
574	>	Runnable r = new CheckedRunnable() {
575	>	public void realRun() throws InterruptedException {
576	>	threadStarted.countDown();
577	>	done.await();
578	>	}};
579	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
580	>	}
581	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
582	>	BlockingQueue<Runnable> q = p.getQueue();
583	>	assertTrue(q.contains(tasks[tasks.length - 1]));
584	>	assertFalse(q.contains(tasks[0]));
585	>	} finally {
586	>	done.countDown();
587	>	joinPool(p);
588		}
308	–	assertEquals(2, two.getLargestPoolSize());
309	–	joinPool(two);
589		}
590	<
590	>
591		/**
592	<	*   getPoolSize gives correct values
592	>	* remove(task) removes queued task, and fails to remove active task
593		*/
594	<	public void testGetPoolSize(){
595	<	ScheduledExecutor one = new ScheduledExecutor(1);
596	<	assertEquals(0, one.getPoolSize());
597	<	one.execute(new SmallRunnable());
598	<	assertEquals(1, one.getPoolSize());
599	<	joinPool(one);
594	>	public void testRemove() throws InterruptedException {
595	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
596	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
597	>	final CountDownLatch threadStarted = new CountDownLatch(1);
598	>	final CountDownLatch done = new CountDownLatch(1);
599	>	try {
600	>	for (int i = 0; i < tasks.length; i++) {
601	>	Runnable r = new CheckedRunnable() {
602	>	public void realRun() throws InterruptedException {
603	>	threadStarted.countDown();
604	>	done.await();
605	>	}};
606	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
607	>	}
608	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
609	>	BlockingQueue<Runnable> q = p.getQueue();
610	>	assertFalse(p.remove((Runnable)tasks[0]));
611	>	assertTrue(q.contains((Runnable)tasks[4]));
612	>	assertTrue(q.contains((Runnable)tasks[3]));
613	>	assertTrue(p.remove((Runnable)tasks[4]));
614	>	assertFalse(p.remove((Runnable)tasks[4]));
615	>	assertFalse(q.contains((Runnable)tasks[4]));
616	>	assertTrue(q.contains((Runnable)tasks[3]));
617	>	assertTrue(p.remove((Runnable)tasks[3]));
618	>	assertFalse(q.contains((Runnable)tasks[3]));
619	>	} finally {
620	>	done.countDown();
621	>	joinPool(p);
622	>	}
623		}
624	<
624	>
625		/**
626	<	*   getTaskCount gives correct values
626	>	* purge eventually removes cancelled tasks from the queue
627		*/
628	<	public void testGetTaskCount(){
629	<	ScheduledExecutor one = new ScheduledExecutor(1);
630	<	assertEquals(0, one.getTaskCount());
631	<	for(int i = 0; i < 5; i++)
632	<	one.execute(new SmallRunnable());
633	<	try{
634	<	Thread.sleep(SHORT_DELAY_MS);
635	<	} catch(Exception e){
636	<	fail("unexpected exception");
628	>	public void testPurge() throws InterruptedException {
629	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
630	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
631	>	for (int i = 0; i < tasks.length; i++)
632	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
633	>	LONG_DELAY_MS, MILLISECONDS);
634	>	try {
635	>	int max = tasks.length;
636	>	if (tasks[4].cancel(true)) --max;
637	>	if (tasks[3].cancel(true)) --max;
638	>	// There must eventually be an interference-free point at
639	>	// which purge will not fail. (At worst, when queue is empty.)
640	>	long startTime = System.nanoTime();
641	>	do {
642	>	p.purge();
643	>	long count = p.getTaskCount();
644	>	if (count == max)
645	>	return;
646	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
647	>	fail("Purge failed to remove cancelled tasks");
648	>	} finally {
649	>	for (ScheduledFuture task : tasks)
650	>	task.cancel(true);
651	>	joinPool(p);
652		}
336	–	assertEquals(5, one.getTaskCount());
337	–	joinPool(one);
653		}
654	<
654	>
655	>	/**
656	>	* shutdownNow returns a list containing tasks that were not run,
657	>	* and those tasks are drained from the queue
658	>	*/
659	>	public void testShutdownNow() throws InterruptedException {
660	>	final int poolSize = 2;
661	>	final int count = 5;
662	>	final AtomicInteger ran = new AtomicInteger(0);
663	>	final ScheduledThreadPoolExecutor p =
664	>	new ScheduledThreadPoolExecutor(poolSize);
665	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
666	>	CheckedRunnable waiter = new CheckedRunnable() { public void realRun() {
667	>	threadsStarted.countDown();
668	>	try {
669	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
670	>	} catch (InterruptedException success) {}
671	>	ran.getAndIncrement();
672	>	}};
673	>	for (int i = 0; i < count; i++)
674	>	p.execute(waiter);
675	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
676	>	final List<Runnable> queuedTasks;
677	>	try {
678	>	queuedTasks = p.shutdownNow();
679	>	} catch (SecurityException ok) {
680	>	return; // Allowed in case test doesn't have privs
681	>	}
682	>	assertTrue(p.isShutdown());
683	>	assertTrue(p.getQueue().isEmpty());
684	>	assertEquals(count - poolSize, queuedTasks.size());
685	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
686	>	assertTrue(p.isTerminated());
687	>	assertEquals(poolSize, ran.get());
688	>	}
689	>
690		/**
691	<	*   isShutDown gives correct values
691	>	* shutdownNow returns a list containing tasks that were not run,
692	>	* and those tasks are drained from the queue
693		*/
694	<	public void testIsShutdown(){
695	<
696	<	ScheduledExecutor one = new ScheduledExecutor(1);
694	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
695	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
696	>	List<ScheduledFuture> tasks = new ArrayList<>();
697	>	for (int i = 0; i < 3; i++) {
698	>	Runnable r = new NoOpRunnable();
699	>	tasks.add(p.schedule(r, 9, SECONDS));
700	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
701	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
702	>	}
703	>	if (testImplementationDetails)
704	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
705	>	final List<Runnable> queuedTasks;
706		try {
707	<	assertFalse(one.isShutdown());
707	>	queuedTasks = p.shutdownNow();
708	>	} catch (SecurityException ok) {
709	>	return; // Allowed in case test doesn't have privs
710	>	}
711	>	assertTrue(p.isShutdown());
712	>	assertTrue(p.getQueue().isEmpty());
713	>	if (testImplementationDetails)
714	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
715	>	assertEquals(tasks.size(), queuedTasks.size());
716	>	for (ScheduledFuture task : tasks) {
717	>	assertFalse(task.isDone());
718	>	assertFalse(task.isCancelled());
719	>	}
720	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
721	>	assertTrue(p.isTerminated());
722	>	}
723	>
724	>	/**
725	>	* In default setting, shutdown cancels periodic but not delayed
726	>	* tasks at shutdown
727	>	*/
728	>	public void testShutdown1() throws InterruptedException {
729	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
730	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
731	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
732	>
733	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
734	>	for (int i = 0; i < tasks.length; i++)
735	>	tasks[i] = p.schedule(new NoOpRunnable(),
736	>	SHORT_DELAY_MS, MILLISECONDS);
737	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
738	>	BlockingQueue<Runnable> q = p.getQueue();
739	>	for (ScheduledFuture task : tasks) {
740	>	assertFalse(task.isDone());
741	>	assertFalse(task.isCancelled());
742	>	assertTrue(q.contains(task));
743	>	}
744	>	assertTrue(p.isShutdown());
745	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
746	>	assertTrue(p.isTerminated());
747	>	for (ScheduledFuture task : tasks) {
748	>	assertTrue(task.isDone());
749	>	assertFalse(task.isCancelled());
750	>	}
751	>	}
752	>
753	>	/**
754	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
755	>	* delayed tasks are cancelled at shutdown
756	>	*/
757	>	public void testShutdown2() throws InterruptedException {
758	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
759	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
760	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
761	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
762	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
763	>	for (int i = 0; i < tasks.length; i++)
764	>	tasks[i] = p.schedule(new NoOpRunnable(),
765	>	SHORT_DELAY_MS, MILLISECONDS);
766	>	BlockingQueue q = p.getQueue();
767	>	assertEquals(tasks.length, q.size());
768	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
769	>	assertTrue(p.isShutdown());
770	>	assertTrue(q.isEmpty());
771	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
772	>	assertTrue(p.isTerminated());
773	>	for (ScheduledFuture task : tasks) {
774	>	assertTrue(task.isDone());
775	>	assertTrue(task.isCancelled());
776	>	}
777	>	}
778	>
779	>	/**
780	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
781	>	* periodic tasks are cancelled at shutdown
782	>	*/
783	>	public void testShutdown3() throws InterruptedException {
784	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
785	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
786	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
787	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
788	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
789	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
790	>	long initialDelay = LONG_DELAY_MS;
791	>	ScheduledFuture task =
792	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
793	>	5, MILLISECONDS);
794	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
795	>	assertTrue(p.isShutdown());
796	>	assertTrue(p.getQueue().isEmpty());
797	>	assertTrue(task.isDone());
798	>	assertTrue(task.isCancelled());
799	>	joinPool(p);
800	>	}
801	>
802	>	/**
803	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
804	>	* periodic tasks are not cancelled at shutdown
805	>	*/
806	>	public void testShutdown4() throws InterruptedException {
807	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
808	>	final CountDownLatch counter = new CountDownLatch(2);
809	>	try {
810	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
811	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
812	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
813	>	final Runnable r = new CheckedRunnable() {
814	>	public void realRun() {
815	>	counter.countDown();
816	>	}};
817	>	ScheduledFuture task =
818	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
819	>	assertFalse(task.isDone());
820	>	assertFalse(task.isCancelled());
821	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
822	>	assertFalse(task.isCancelled());
823	>	assertFalse(p.isTerminated());
824	>	assertTrue(p.isShutdown());
825	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
826	>	assertFalse(task.isCancelled());
827	>	assertTrue(task.cancel(false));
828	>	assertTrue(task.isDone());
829	>	assertTrue(task.isCancelled());
830	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
831	>	assertTrue(p.isTerminated());
832		}
833		finally {
834	<	one.shutdown();
834	>	joinPool(p);
835		}
352	–	assertTrue(one.isShutdown());
836		}
837
355	–
838		/**
839	<	*   isTerminated gives correct values
358	<	*  Makes sure termination does not take an innapropriate
359	<	*  amount of time
839	>	* completed submit of callable returns result
840		*/
841	<	public void testIsTerminated(){
842	<	ScheduledExecutor one = new ScheduledExecutor(1);
841	>	public void testSubmitCallable() throws Exception {
842	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
843		try {
844	<	one.execute(new SmallRunnable());
844	>	Future<String> future = e.submit(new StringTask());
845	>	String result = future.get();
846	>	assertSame(TEST_STRING, result);
847		} finally {
848	<	one.shutdown();
848	>	joinPool(e);
849		}
850	+	}
851	+
852	+	/**
853	+	* completed submit of runnable returns successfully
854	+	*/
855	+	public void testSubmitRunnable() throws Exception {
856	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
857		try {
858	<	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
859	<	assertTrue(one.isTerminated());
860	<	} catch(Exception e){
861	<	fail("unexpected exception");
862	<	}
858	>	Future<?> future = e.submit(new NoOpRunnable());
859	>	future.get();
860	>	assertTrue(future.isDone());
861	>	} finally {
862	>	joinPool(e);
863	>	}
864		}
865
866		/**
867	<	*   that purge correctly removes cancelled tasks
378	<	*  from the queue
867	>	* completed submit of (runnable, result) returns result
868		*/
869	<	public void testPurge(){
870	<	ScheduledExecutor one = new ScheduledExecutor(1);
871	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
872	<	for(int i = 0; i < 5; i++){
873	<	tasks[i] = one.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
869	>	public void testSubmitRunnable2() throws Exception {
870	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
871	>	try {
872	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
873	>	String result = future.get();
874	>	assertSame(TEST_STRING, result);
875	>	} finally {
876	>	joinPool(e);
877		}
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);
878		}
879
880		/**
881	<	*   shutDownNow returns a list
397	<	*  containing the correct number of elements
881	>	* invokeAny(null) throws NPE
882		*/
883	<	public void testShutDownNow(){
884	<	ScheduledExecutor one = new ScheduledExecutor(1);
885	<	for(int i = 0; i < 5; i++)
886	<	one.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
887	<	List l = one.shutdownNow();
888	<	assertTrue(one.isShutdown());
889	<	assertTrue(l.size() > 0 && l.size() <= 5);
890	<	joinPool(one);
883	>	public void testInvokeAny1() throws Exception {
884	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
885	>	try {
886	>	e.invokeAny(null);
887	>	shouldThrow();
888	>	} catch (NullPointerException success) {
889	>	} finally {
890	>	joinPool(e);
891	>	}
892		}
893
894	<	public void testShutDown1(){
894	>	/**
895	>	* invokeAny(empty collection) throws IAE
896	>	*/
897	>	public void testInvokeAny2() throws Exception {
898	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
899		try {
900	<	ScheduledExecutor one = new ScheduledExecutor(1);
901	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
902	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
900	>	e.invokeAny(new ArrayList<Callable<String>>());
901	>	shouldThrow();
902	>	} catch (IllegalArgumentException success) {
903	>	} finally {
904	>	joinPool(e);
905	>	}
906	>	}
907
908	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
909	<	for(int i = 0; i < 5; i++)
910	<	tasks[i] = one.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
911	<	one.shutdown();
912	<	BlockingQueue q = one.getQueue();
913	<	for (Iterator it = q.iterator(); it.hasNext();) {
914	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
915	<	assertFalse(t.isCancelled());
916	<	}
917	<	assertTrue(one.isShutdown());
918	<	Thread.sleep(SMALL_DELAY_MS);
919	<	for (int i = 0; i < 5; ++i) {
920	<	assertTrue(tasks[i].isDone());
921	<	assertFalse(tasks[i].isCancelled());
922	<	}
923	<
908	>	/**
909	>	* invokeAny(c) throws NPE if c has null elements
910	>	*/
911	>	public void testInvokeAny3() throws Exception {
912	>	CountDownLatch latch = new CountDownLatch(1);
913	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
914	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
915	>	l.add(latchAwaitingStringTask(latch));
916	>	l.add(null);
917	>	try {
918	>	e.invokeAny(l);
919	>	shouldThrow();
920	>	} catch (NullPointerException success) {
921	>	} finally {
922	>	latch.countDown();
923	>	joinPool(e);
924		}
925	<	catch(Exception ex) {
926	<	fail("unexpected exception");
925	>	}
926	>
927	>	/**
928	>	* invokeAny(c) throws ExecutionException if no task completes
929	>	*/
930	>	public void testInvokeAny4() throws Exception {
931	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
932	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
933	>	l.add(new NPETask());
934	>	try {
935	>	e.invokeAny(l);
936	>	shouldThrow();
937	>	} catch (ExecutionException success) {
938	>	assertTrue(success.getCause() instanceof NullPointerException);
939	>	} finally {
940	>	joinPool(e);
941		}
942		}
943
944	+	/**
945	+	* invokeAny(c) returns result of some task
946	+	*/
947	+	public void testInvokeAny5() throws Exception {
948	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
949	+	try {
950	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
951	+	l.add(new StringTask());
952	+	l.add(new StringTask());
953	+	String result = e.invokeAny(l);
954	+	assertSame(TEST_STRING, result);
955	+	} finally {
956	+	joinPool(e);
957	+	}
958	+	}
959
960	<	public void testShutDown2(){
960	>	/**
961	>	* invokeAll(null) throws NPE
962	>	*/
963	>	public void testInvokeAll1() throws Exception {
964	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
965		try {
966	<	ScheduledExecutor one = new ScheduledExecutor(1);
967	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
968	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
969	<	for(int i = 0; i < 5; i++)
970	<	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());
966	>	e.invokeAll(null);
967	>	shouldThrow();
968	>	} catch (NullPointerException success) {
969	>	} finally {
970	>	joinPool(e);
971		}
972	<	catch(Exception ex) {
973	<	fail("unexpected exception");
972	>	}
973	>
974	>	/**
975	>	* invokeAll(empty collection) returns empty collection
976	>	*/
977	>	public void testInvokeAll2() throws Exception {
978	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
979	>	try {
980	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
981	>	assertTrue(r.isEmpty());
982	>	} finally {
983	>	joinPool(e);
984		}
985		}
986
987	+	/**
988	+	* invokeAll(c) throws NPE if c has null elements
989	+	*/
990	+	public void testInvokeAll3() throws Exception {
991	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
992	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
993	+	l.add(new StringTask());
994	+	l.add(null);
995	+	try {
996	+	e.invokeAll(l);
997	+	shouldThrow();
998	+	} catch (NullPointerException success) {
999	+	} finally {
1000	+	joinPool(e);
1001	+	}
1002	+	}
1003
1004	<	public void testShutDown3(){
1004	>	/**
1005	>	* get of invokeAll(c) throws exception on failed task
1006	>	*/
1007	>	public void testInvokeAll4() throws Exception {
1008	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1009	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1010	>	l.add(new NPETask());
1011	>	List<Future<String>> futures = e.invokeAll(l);
1012	>	assertEquals(1, futures.size());
1013		try {
1014	<	ScheduledExecutor one = new ScheduledExecutor(1);
1015	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
1016	<	ScheduledCancellable task =
1017	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
1018	<	one.shutdown();
1019	<	assertTrue(one.isShutdown());
466	<	BlockingQueue q = one.getQueue();
467	<	assertTrue(q.isEmpty());
468	<	Thread.sleep(SHORT_DELAY_MS);
469	<	assertTrue(one.isTerminated());
1014	>	futures.get(0).get();
1015	>	shouldThrow();
1016	>	} catch (ExecutionException success) {
1017	>	assertTrue(success.getCause() instanceof NullPointerException);
1018	>	} finally {
1019	>	joinPool(e);
1020		}
1021	<	catch(Exception ex) {
1022	<	fail("unexpected exception");
1021	>	}
1022	>
1023	>	/**
1024	>	* invokeAll(c) returns results of all completed tasks
1025	>	*/
1026	>	public void testInvokeAll5() throws Exception {
1027	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1028	>	try {
1029	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1030	>	l.add(new StringTask());
1031	>	l.add(new StringTask());
1032	>	List<Future<String>> futures = e.invokeAll(l);
1033	>	assertEquals(2, futures.size());
1034	>	for (Future<String> future : futures)
1035	>	assertSame(TEST_STRING, future.get());
1036	>	} finally {
1037	>	joinPool(e);
1038		}
1039		}
1040
1041	<	public void testShutDown4(){
1042	<	ScheduledExecutor one = new ScheduledExecutor(1);
1041	>	/**
1042	>	* timed invokeAny(null) throws NPE
1043	>	*/
1044	>	public void testTimedInvokeAny1() throws Exception {
1045	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1046		try {
1047	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
1048	<	ScheduledCancellable task =
1049	<	one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
1050	<	assertFalse(task.isCancelled());
1051	<	one.shutdown();
484	<	assertFalse(task.isCancelled());
485	<	assertFalse(one.isTerminated());
486	<	assertTrue(one.isShutdown());
487	<	Thread.sleep(SHORT_DELAY_MS);
488	<	assertFalse(task.isCancelled());
489	<	task.cancel(true);
490	<	assertTrue(task.isCancelled());
491	<	Thread.sleep(SHORT_DELAY_MS);
492	<	assertTrue(one.isTerminated());
1047	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1048	>	shouldThrow();
1049	>	} catch (NullPointerException success) {
1050	>	} finally {
1051	>	joinPool(e);
1052		}
1053	<	catch(Exception ex) {
1054	<	fail("unexpected exception");
1053	>	}
1054	>
1055	>	/**
1056	>	* timed invokeAny(,,null) throws NPE
1057	>	*/
1058	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1059	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1060	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1061	>	l.add(new StringTask());
1062	>	try {
1063	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1064	>	shouldThrow();
1065	>	} catch (NullPointerException success) {
1066	>	} finally {
1067	>	joinPool(e);
1068		}
1069	<	finally {
1070	<	one.shutdownNow();
1069	>	}
1070	>
1071	>	/**
1072	>	* timed invokeAny(empty collection) throws IAE
1073	>	*/
1074	>	public void testTimedInvokeAny2() throws Exception {
1075	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1076	>	try {
1077	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1078	>	shouldThrow();
1079	>	} catch (IllegalArgumentException success) {
1080	>	} finally {
1081	>	joinPool(e);
1082	>	}
1083	>	}
1084	>
1085	>	/**
1086	>	* timed invokeAny(c) throws NPE if c has null elements
1087	>	*/
1088	>	public void testTimedInvokeAny3() throws Exception {
1089	>	CountDownLatch latch = new CountDownLatch(1);
1090	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1091	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1092	>	l.add(latchAwaitingStringTask(latch));
1093	>	l.add(null);
1094	>	try {
1095	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1096	>	shouldThrow();
1097	>	} catch (NullPointerException success) {
1098	>	} finally {
1099	>	latch.countDown();
1100	>	joinPool(e);
1101	>	}
1102	>	}
1103	>
1104	>	/**
1105	>	* timed invokeAny(c) throws ExecutionException if no task completes
1106	>	*/
1107	>	public void testTimedInvokeAny4() throws Exception {
1108	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1109	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1110	>	l.add(new NPETask());
1111	>	try {
1112	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1113	>	shouldThrow();
1114	>	} catch (ExecutionException success) {
1115	>	assertTrue(success.getCause() instanceof NullPointerException);
1116	>	} finally {
1117	>	joinPool(e);
1118	>	}
1119	>	}
1120	>
1121	>	/**
1122	>	* timed invokeAny(c) returns result of some task
1123	>	*/
1124	>	public void testTimedInvokeAny5() throws Exception {
1125	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1126	>	try {
1127	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1128	>	l.add(new StringTask());
1129	>	l.add(new StringTask());
1130	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1131	>	assertSame(TEST_STRING, result);
1132	>	} finally {
1133	>	joinPool(e);
1134	>	}
1135	>	}
1136	>
1137	>	/**
1138	>	* timed invokeAll(null) throws NPE
1139	>	*/
1140	>	public void testTimedInvokeAll1() throws Exception {
1141	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1142	>	try {
1143	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1144	>	shouldThrow();
1145	>	} catch (NullPointerException success) {
1146	>	} finally {
1147	>	joinPool(e);
1148	>	}
1149	>	}
1150	>
1151	>	/**
1152	>	* timed invokeAll(,,null) throws NPE
1153	>	*/
1154	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1155	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1156	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1157	>	l.add(new StringTask());
1158	>	try {
1159	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1160	>	shouldThrow();
1161	>	} catch (NullPointerException success) {
1162	>	} finally {
1163	>	joinPool(e);
1164	>	}
1165	>	}
1166	>
1167	>	/**
1168	>	* timed invokeAll(empty collection) returns empty collection
1169	>	*/
1170	>	public void testTimedInvokeAll2() throws Exception {
1171	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1172	>	try {
1173	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1174	>	assertTrue(r.isEmpty());
1175	>	} finally {
1176	>	joinPool(e);
1177	>	}
1178	>	}
1179	>
1180	>	/**
1181	>	* timed invokeAll(c) throws NPE if c has null elements
1182	>	*/
1183	>	public void testTimedInvokeAll3() throws Exception {
1184	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1185	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1186	>	l.add(new StringTask());
1187	>	l.add(null);
1188	>	try {
1189	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1190	>	shouldThrow();
1191	>	} catch (NullPointerException success) {
1192	>	} finally {
1193	>	joinPool(e);
1194	>	}
1195	>	}
1196	>
1197	>	/**
1198	>	* get of element of invokeAll(c) throws exception on failed task
1199	>	*/
1200	>	public void testTimedInvokeAll4() throws Exception {
1201	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1202	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1203	>	l.add(new NPETask());
1204	>	List<Future<String>> futures =
1205	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1206	>	assertEquals(1, futures.size());
1207	>	try {
1208	>	futures.get(0).get();
1209	>	shouldThrow();
1210	>	} catch (ExecutionException success) {
1211	>	assertTrue(success.getCause() instanceof NullPointerException);
1212	>	} finally {
1213	>	joinPool(e);
1214	>	}
1215	>	}
1216	>
1217	>	/**
1218	>	* timed invokeAll(c) returns results of all completed tasks
1219	>	*/
1220	>	public void testTimedInvokeAll5() throws Exception {
1221	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1222	>	try {
1223	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1224	>	l.add(new StringTask());
1225	>	l.add(new StringTask());
1226	>	List<Future<String>> futures =
1227	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1228	>	assertEquals(2, futures.size());
1229	>	for (Future<String> future : futures)
1230	>	assertSame(TEST_STRING, future.get());
1231	>	} finally {
1232	>	joinPool(e);
1233	>	}
1234	>	}
1235	>
1236	>	/**
1237	>	* timed invokeAll(c) cancels tasks not completed by timeout
1238	>	*/
1239	>	public void testTimedInvokeAll6() throws Exception {
1240	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1241	>	try {
1242	>	for (long timeout = timeoutMillis();;) {
1243	>	List<Callable<String>> tasks = new ArrayList<>();
1244	>	tasks.add(new StringTask("0"));
1245	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1246	>	tasks.add(new StringTask("2"));
1247	>	long startTime = System.nanoTime();
1248	>	List<Future<String>> futures =
1249	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1250	>	assertEquals(tasks.size(), futures.size());
1251	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1252	>	for (Future future : futures)
1253	>	assertTrue(future.isDone());
1254	>	assertTrue(futures.get(1).isCancelled());
1255	>	try {
1256	>	assertEquals("0", futures.get(0).get());
1257	>	assertEquals("2", futures.get(2).get());
1258	>	break;
1259	>	} catch (CancellationException retryWithLongerTimeout) {
1260	>	timeout *= 2;
1261	>	if (timeout >= LONG_DELAY_MS / 2)
1262	>	fail("expected exactly one task to be cancelled");
1263	>	}
1264	>	}
1265	>	} finally {
1266	>	joinPool(e);
1267		}
1268		}
1269

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines