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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.6 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.61 by jsr166, Sun Oct 4 02:15:08 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	<	static class MyCallable implements Callable {
60	<	volatile boolean done = false;
61	<	public Object call() {
62	<	try {
63	<	Thread.sleep(SMALL_DELAY_MS);
64	<	done = true;
65	<	} catch(Exception e){
66	<	}
67	<	return Boolean.TRUE;
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		/**
83	<	* execute successfully executes a runnable
83	>	* delayed schedule of runnable successfully executes after delay
84		*/
85	<	public void testExecute() {
86	<	try {
87	<	MyRunnable runnable =new MyRunnable();
88	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
89	<	p1.execute(runnable);
90	<	assertFalse(runnable.done);
91	<	Thread.sleep(SHORT_DELAY_MS);
92	<	p1.shutdown();
93	<	try {
94	<	Thread.sleep(MEDIUM_DELAY_MS);
95	<	} catch(InterruptedException e){
96	<	unexpectedException();
97	<	}
98	<	assertTrue(runnable.done);
99	<	p1.shutdown();
100	<	joinPool(p1);
62	<	}
63	<	catch(Exception e){
64	<	unexpectedException();
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		}
66	–
102		}
103
69	–
104		/**
105	<	* delayed schedule of callable successfully executes after delay
105	>	* scheduleAtFixedRate executes runnable after given initial delay
106		*/
107	<	public void testSchedule1() {
108	<	try {
109	<	MyCallable callable = new MyCallable();
110	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
111	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
112	<	assertFalse(callable.done);
113	<	Thread.sleep(MEDIUM_DELAY_MS);
114	<	assertTrue(callable.done);
115	<	assertEquals(Boolean.TRUE, f.get());
116	<	p1.shutdown();
117	<	joinPool(p1);
118	<	} catch(RejectedExecutionException e){}
119	<	catch(Exception e){
120	<	unexpectedException();
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	<	*  delayed schedule of runnable successfully executes after delay
130	<	*/
131	<	public void testSchedule3() {
132	<	try {
133	<	MyRunnable runnable = new MyRunnable();
134	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
135	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
136	<	Thread.sleep(SHORT_DELAY_MS);
137	<	assertFalse(runnable.done);
138	<	Thread.sleep(MEDIUM_DELAY_MS);
139	<	assertTrue(runnable.done);
140	<	p1.shutdown();
141	<	joinPool(p1);
142	<	} catch(Exception e){
143	<	unexpectedException();
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	<
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 runnable after given initial delay
158	>	* scheduleAtFixedRate executes series of tasks at given rate
159		*/
160	<	public void testSchedule4() {
161	<	try {
162	<	MyRunnable runnable = new MyRunnable();
163	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
164	<	ScheduledCancellable h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
165	<	assertFalse(runnable.done);
166	<	Thread.sleep(MEDIUM_DELAY_MS);
167	<	assertTrue(runnable.done);
168	<	h.cancel(true);
169	<	p1.shutdown();
170	<	joinPool(p1);
171	<	} catch(Exception e){
172	<	unexpectedException();
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	>	throw new AssertionError("unexpected execution rate");
180	>	} finally {
181	>	joinPool(p);
182		}
183		}
184
185		/**
186	<	* scheduleWithFixedDelay executes runnable after given initial delay
186	>	* scheduleWithFixedDelay executes series of tasks with given period
187		*/
188	<	public void testSchedule5() {
189	<	try {
190	<	MyRunnable runnable = new MyRunnable();
191	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
192	<	ScheduledCancellable h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
193	<	assertFalse(runnable.done);
194	<	Thread.sleep(MEDIUM_DELAY_MS);
195	<	assertTrue(runnable.done);
196	<	h.cancel(true);
197	<	p1.shutdown();
198	<	joinPool(p1);
199	<	} catch(Exception e){
200	<	unexpectedException();
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	<
212	>
213		/**
214	<	*  execute (null) throws NPE
214	>	* execute(null) throws NPE
215		*/
216	<	public void testExecuteNull() {
217	<	ScheduledExecutor se = null;
216	>	public void testExecuteNull() throws InterruptedException {
217	>	ScheduledThreadPoolExecutor se = null;
218		try {
219	<	se = new ScheduledExecutor(1);
220	<	se.execute(null);
219	>	se = new ScheduledThreadPoolExecutor(1);
220	>	se.execute(null);
221		shouldThrow();
222	<	} catch(NullPointerException success){}
223	<	catch(Exception e){
224	<	unexpectedException();
159	<	}
160	<
161	<	joinPool(se);
222	>	} catch (NullPointerException success) {}
223	>
224	>	joinPool(se);
225		}
226
227		/**
228	<	* schedule (null) throws NPE
228	>	* schedule(null) throws NPE
229		*/
230	<	public void testScheduleNull() {
231	<	ScheduledExecutor se = new ScheduledExecutor(1);
232	<	try {
233	<	MyCallable callable = null;
234	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
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	<	catch(Exception e){
175	<	unexpectedException();
176	<	}
177	<	joinPool(se);
236	>	} catch (NullPointerException success) {}
237	>	joinPool(se);
238		}
239	<
239	>
240		/**
241		* execute throws RejectedExecutionException if shutdown
242		*/
243	<	public void testSchedule1_RejectedExecutionException() {
244	<	ScheduledExecutor se = new ScheduledExecutor(1);
243	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
244	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
245		try {
246		se.shutdown();
247		se.schedule(new NoOpRunnable(),
248	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
248	>	MEDIUM_DELAY_MS, MILLISECONDS);
249		shouldThrow();
250	<	} catch(RejectedExecutionException success){
250	>	} catch (RejectedExecutionException success) {
251	>	} catch (SecurityException ok) {
252		}
192	–	joinPool(se);
253
254	+	joinPool(se);
255		}
256
257		/**
258		* schedule throws RejectedExecutionException if shutdown
259		*/
260	<	public void testSchedule2_RejectedExecutionException() {
261	<	ScheduledExecutor se = new ScheduledExecutor(1);
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);
265	>	MEDIUM_DELAY_MS, MILLISECONDS);
266		shouldThrow();
267	<	} catch(RejectedExecutionException success){
267	>	} catch (RejectedExecutionException success) {
268	>	} catch (SecurityException ok) {
269		}
270		joinPool(se);
271		}
#	Line 211 | Line 273 | public class ScheduledExecutorTest exten
273		/**
274		* schedule callable throws RejectedExecutionException if shutdown
275		*/
276	<	public void testSchedule3_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.schedule(new NoOpCallable(),
281	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
281	>	MEDIUM_DELAY_MS, MILLISECONDS);
282		shouldThrow();
283	<	} catch(RejectedExecutionException success){
284	<	}
285	<	joinPool(se);
283	>	} catch (RejectedExecutionException success) {
284	>	} catch (SecurityException ok) {
285	>	}
286	>	joinPool(se);
287		}
288
289		/**
290	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
290	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
291		*/
292	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
293	<	ScheduledExecutor se = new ScheduledExecutor(1);
292	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
293	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
294		try {
295		se.shutdown();
296		se.scheduleAtFixedRate(new NoOpRunnable(),
297	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
297	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
298		shouldThrow();
299	<	} catch(RejectedExecutionException success){
300	<	}
299	>	} catch (RejectedExecutionException success) {
300	>	} catch (SecurityException ok) {
301	>	}
302		joinPool(se);
303		}
304	<
304	>
305		/**
306		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
307		*/
308	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
309	<	ScheduledExecutor se = new ScheduledExecutor(1);
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);
313	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
314		shouldThrow();
315	<	} catch(RejectedExecutionException success){
316	<	}
315	>	} catch (RejectedExecutionException success) {
316	>	} catch (SecurityException ok) {
317	>	}
318		joinPool(se);
319		}
320
321		/**
322	<	*  getActiveCount increases but doesn't overestimate, when a
323	<	*  thread becomes active
322	>	* getActiveCount increases but doesn't overestimate, when a
323	>	* thread becomes active
324		*/
325	<	public void testGetActiveCount() {
326	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
327	<	assertEquals(0, p2.getActiveCount());
328	<	p2.execute(new SmallRunnable());
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	<	Thread.sleep(SHORT_DELAY_MS);
331	<	} catch(Exception e){
332	<	unexpectedException();
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(MEDIUM_DELAY_MS, MILLISECONDS));
338	>	assertEquals(1, p.getActiveCount());
339	>	} finally {
340	>	done.countDown();
341	>	joinPool(p);
342		}
269	–	assertEquals(1, p2.getActiveCount());
270	–	joinPool(p2);
343		}
344	<
344	>
345		/**
346	<	*    getCompletedTaskCount increases, but doesn't overestimate,
347	<	*   when tasks complete
346	>	* getCompletedTaskCount increases, but doesn't overestimate,
347	>	* when tasks complete
348		*/
349	<	public void testGetCompletedTaskCount() {
350	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
351	<	assertEquals(0, p2.getCompletedTaskCount());
352	<	p2.execute(new SmallRunnable());
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	<	Thread.sleep(MEDIUM_DELAY_MS);
356	<	} catch(Exception e){
357	<	unexpectedException();
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		}
286	–	assertEquals(1, p2.getCompletedTaskCount());
287	–	joinPool(p2);
376		}
377	<
377	>
378		/**
379	<	*  getCorePoolSize returns size given in constructor if not otherwise set
379	>	* getCorePoolSize returns size given in constructor if not otherwise set
380		*/
381	<	public void testGetCorePoolSize() {
382	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
383	<	assertEquals(1, p1.getCorePoolSize());
384	<	joinPool(p1);
381	>	public void testGetCorePoolSize() throws InterruptedException {
382	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
383	>	assertEquals(1, p.getCorePoolSize());
384	>	joinPool(p);
385		}
386	<
386	>
387		/**
388	<	*    getLargestPoolSize increases, but doesn't overestimate, when
389	<	*   multiple threads active
388	>	* getLargestPoolSize increases, but doesn't overestimate, when
389	>	* multiple threads active
390		*/
391	<	public void testGetLargestPoolSize() {
392	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
393	<	assertEquals(0, p2.getLargestPoolSize());
394	<	p2.execute(new SmallRunnable());
395	<	p2.execute(new SmallRunnable());
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	<	Thread.sleep(SHORT_DELAY_MS);
398	<	} catch(Exception e){
399	<	unexpectedException();
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(MEDIUM_DELAY_MS, MILLISECONDS));
406	>	assertEquals(THREADS, p.getLargestPoolSize());
407	>	} finally {
408	>	done.countDown();
409	>	joinPool(p);
410	>	assertEquals(THREADS, p.getLargestPoolSize());
411		}
313	–	assertEquals(2, p2.getLargestPoolSize());
314	–	joinPool(p2);
412		}
413	<
413	>
414		/**
415	<	*   getPoolSize increases, but doesn't overestimate, when threads
416	<	*   become active
415	>	* getPoolSize increases, but doesn't overestimate, when threads
416	>	* become active
417		*/
418	<	public void testGetPoolSize() {
419	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
420	<	assertEquals(0, p1.getPoolSize());
421	<	p1.execute(new SmallRunnable());
422	<	assertEquals(1, p1.getPoolSize());
423	<	joinPool(p1);
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(MEDIUM_DELAY_MS, MILLISECONDS));
431	>	assertEquals(1, p.getPoolSize());
432	>	} finally {
433	>	done.countDown();
434	>	joinPool(p);
435	>	}
436		}
437	<
437	>
438		/**
439	<	*    getTaskCount increases, but doesn't overestimate, when tasks
440	<	*    submitted
439	>	* getTaskCount increases, but doesn't overestimate, when tasks
440	>	* submitted
441		*/
442	<	public void testGetTaskCount() {
443	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
444	<	assertEquals(0, p1.getTaskCount());
445	<	for(int i = 0; i < 5; i++)
446	<	p1.execute(new SmallRunnable());
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	<	Thread.sleep(SHORT_DELAY_MS);
449	<	} catch(Exception e){
450	<	unexpectedException();
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(MEDIUM_DELAY_MS, MILLISECONDS));
456	>	assertEquals(TASKS, p.getTaskCount());
457	>	} finally {
458	>	done.countDown();
459	>	joinPool(p);
460		}
343	–	assertEquals(5, p1.getTaskCount());
344	–	joinPool(p1);
461		}
462	<
462	>
463		/**
464	<	*   is isShutDown is false before shutdown, true after
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	>	* isShutdown is false before shutdown, true after
500		*/
501		public void testIsShutdown() {
502	<
503	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
502	>
503	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
504		try {
505	<	assertFalse(p1.isShutdown());
505	>	assertFalse(p.isShutdown());
506		}
507		finally {
508	<	p1.shutdown();
508	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
509		}
510	<	assertTrue(p1.isShutdown());
510	>	assertTrue(p.isShutdown());
511		}
512
362	–
513		/**
514	<	*   isTerminated is false before termination, true after
514	>	* isTerminated is false before termination, true after
515		*/
516	<	public void testIsTerminated() {
517	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
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	<	p1.execute(new SmallRunnable());
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(MEDIUM_DELAY_MS, MILLISECONDS));
529	>	assertFalse(p.isTerminating());
530	>	done.countDown();
531		} finally {
532	<	p1.shutdown();
532	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
533		}
534	<	try {
535	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
375	<	assertTrue(p1.isTerminated());
376	<	} catch(Exception e){
377	<	unexpectedException();
378	<	}
534	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
535	>	assertTrue(p.isTerminated());
536		}
537
538		/**
539	<	*  isTerminating is not true when running or when terminated
539	>	* isTerminating is not true when running or when terminated
540		*/
541	<	public void testIsTerminating() {
542	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
543	<	assertFalse(p1.isTerminating());
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	<	p1.execute(new SmallRunnable());
547	<	assertFalse(p1.isTerminating());
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(MEDIUM_DELAY_MS, MILLISECONDS));
554	>	assertFalse(p.isTerminating());
555	>	done.countDown();
556		} finally {
557	<	p1.shutdown();
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	+
564	+	/**
565	+	* getQueue returns the work queue, which contains queued tasks
566	+	*/
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	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
573	<	assertTrue(p1.isTerminated());
574	<	assertFalse(p1.isTerminating());
575	<	} catch(Exception e){
576	<	unexpectedException();
577	<	}
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(MEDIUM_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	>	}
589		}
590
591		/**
592	<	*   purge removes cancelled tasks from the queue
592	>	* remove(task) removes queued task, and fails to remove active task
593		*/
594	<	public void testPurge() {
595	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
596	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
597	<	for(int i = 0; i < 5; i++){
598	<	tasks[i] = p1.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
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(MEDIUM_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		}
411	–	int max = 5;
412	–	if (tasks[4].cancel(true)) --max;
413	–	if (tasks[3].cancel(true)) --max;
414	–	p1.purge();
415	–	long count = p1.getTaskCount();
416	–	assertTrue(count > 0 && count <= max);
417	–	joinPool(p1);
623		}
624
625		/**
626	<	*  shutDownNow returns a list containing tasks that were not run
626	>	* purge eventually removes cancelled tasks from the queue
627		*/
628	<	public void testShutDownNow() {
629	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
630	<	for(int i = 0; i < 5; i++)
631	<	p1.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
632	<	List l = p1.shutdownNow();
633	<	assertTrue(p1.isShutdown());
634	<	assertTrue(l.size() > 0 && l.size() <= 5);
635	<	joinPool(p1);
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	>	}
653		}
654
655		/**
656	<	* In default setting, shutdown cancels periodic but not delayed
657	<	* tasks at shutdown
656	>	* shutdownNow returns a list containing tasks that were not run,
657	>	* and those tasks are drained from the queue
658		*/
659	<	public void testShutDown1() {
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	>	Runnable 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	>	assertEquals(poolSize, p.getActiveCount());
677	>	assertEquals(0, p.getCompletedTaskCount());
678	>	final List<Runnable> queuedTasks;
679		try {
680	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
681	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
682	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
680	>	queuedTasks = p.shutdownNow();
681	>	} catch (SecurityException ok) {
682	>	return; // Allowed in case test doesn't have privs
683	>	}
684	>	assertTrue(p.isShutdown());
685	>	assertTrue(p.getQueue().isEmpty());
686	>	assertEquals(count - poolSize, queuedTasks.size());
687	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
688	>	assertTrue(p.isTerminated());
689	>	assertEquals(poolSize, ran.get());
690	>	assertEquals(poolSize, p.getCompletedTaskCount());
691	>	}
692	>
693	>	/**
694	>	* shutdownNow returns a list containing tasks that were not run,
695	>	* and those tasks are drained from the queue
696	>	*/
697	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
698	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
699	>	List<ScheduledFuture> tasks = new ArrayList<>();
700	>	for (int i = 0; i < 3; i++) {
701	>	Runnable r = new NoOpRunnable();
702	>	tasks.add(p.schedule(r, 9, SECONDS));
703	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
704	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
705	>	}
706	>	if (testImplementationDetails)
707	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
708	>	final List<Runnable> queuedTasks;
709	>	try {
710	>	queuedTasks = p.shutdownNow();
711	>	} catch (SecurityException ok) {
712	>	return; // Allowed in case test doesn't have privs
713	>	}
714	>	assertTrue(p.isShutdown());
715	>	assertTrue(p.getQueue().isEmpty());
716	>	if (testImplementationDetails)
717	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
718	>	assertEquals(tasks.size(), queuedTasks.size());
719	>	for (ScheduledFuture task : tasks) {
720	>	assertFalse(task.isDone());
721	>	assertFalse(task.isCancelled());
722	>	}
723	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
724	>	assertTrue(p.isTerminated());
725	>	}
726
727	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
728	<	for(int i = 0; i < 5; i++)
729	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
730	<	p1.shutdown();
731	<	BlockingQueue q = p1.getQueue();
732	<	for (Iterator it = q.iterator(); it.hasNext();) {
733	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
734	<	assertFalse(t.isCancelled());
727	>	/**
728	>	* By default, periodic tasks are cancelled at shutdown.
729	>	* By default, delayed tasks keep running after shutdown.
730	>	* Check that changing the default values work:
731	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
732	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
733	>	*/
734	>	public void testShutdown_cancellation() throws Exception {
735	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
736	>	for (Boolean policy : allBooleans)
737	>	{
738	>	final int poolSize = 2;
739	>	final ScheduledThreadPoolExecutor p
740	>	= new ScheduledThreadPoolExecutor(poolSize);
741	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
742	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
743	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
744	>	if (policy != null) {
745	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
746	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
747	>	p.setRemoveOnCancelPolicy(policy);
748	>	}
749	>	assertEquals(effectiveDelayedPolicy,
750	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
751	>	assertEquals(effectivePeriodicPolicy,
752	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
753	>	assertEquals(effectiveRemovePolicy,
754	>	p.getRemoveOnCancelPolicy());
755	>	// Strategy: Wedge the pool with poolSize "blocker" threads
756	>	final AtomicInteger ran = new AtomicInteger(0);
757	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
758	>	final CountDownLatch unblock = new CountDownLatch(1);
759	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
760	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
761	>	Runnable task = new CheckedRunnable() { public void realRun()
762	>	throws InterruptedException {
763	>	poolBlocked.countDown();
764	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
765	>	ran.getAndIncrement();
766	>	}};
767	>	List<Future<?>> blockers = new ArrayList<>();
768	>	List<Future<?>> periodics = new ArrayList<>();
769	>	List<Future<?>> delayeds = new ArrayList<>();
770	>	for (int i = 0; i < poolSize; i++)
771	>	blockers.add(p.submit(task));
772	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
773	>
774	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
775	>	1, 1, MILLISECONDS));
776	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
777	>	1, 1, MILLISECONDS));
778	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
779	>
780	>	assertTrue(p.getQueue().containsAll(periodics));
781	>	assertTrue(p.getQueue().containsAll(delayeds));
782	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
783	>	assertTrue(p.isShutdown());
784	>	assertFalse(p.isTerminated());
785	>	for (Future<?> periodic : periodics) {
786	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
787	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
788	>	}
789	>	for (Future<?> delayed : delayeds) {
790	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
791	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
792	>	}
793	>	if (testImplementationDetails) {
794	>	assertEquals(effectivePeriodicPolicy,
795	>	p.getQueue().containsAll(periodics));
796	>	assertEquals(effectiveDelayedPolicy,
797	>	p.getQueue().containsAll(delayeds));
798	>	}
799	>	// Release all pool threads
800	>	unblock.countDown();
801	>
802	>	for (Future<?> delayed : delayeds) {
803	>	if (effectiveDelayedPolicy) {
804	>	assertNull(delayed.get());
805		}
806	<	assertTrue(p1.isShutdown());
807	<	Thread.sleep(SMALL_DELAY_MS);
808	<	for (int i = 0; i < 5; ++i) {
809	<	assertTrue(tasks[i].isDone());
810	<	assertFalse(tasks[i].isCancelled());
806	>	}
807	>	if (effectivePeriodicPolicy) {
808	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
809	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
810	>	for (Future<?> periodic : periodics) {
811	>	assertTrue(periodic.cancel(false));
812	>	assertTrue(periodic.isCancelled());
813	>	assertTrue(periodic.isDone());
814		}
458	–
815		}
816	<	catch(Exception ex) {
817	<	unexpectedException();
816	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
817	>	assertTrue(p.isTerminated());
818	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
819	>	}}
820	>
821	>	/**
822	>	* completed submit of callable returns result
823	>	*/
824	>	public void testSubmitCallable() throws Exception {
825	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
826	>	try {
827	>	Future<String> future = e.submit(new StringTask());
828	>	String result = future.get();
829	>	assertSame(TEST_STRING, result);
830	>	} finally {
831	>	joinPool(e);
832		}
833		}
834
835	+	/**
836	+	* completed submit of runnable returns successfully
837	+	*/
838	+	public void testSubmitRunnable() throws Exception {
839	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
840	+	try {
841	+	Future<?> future = e.submit(new NoOpRunnable());
842	+	future.get();
843	+	assertTrue(future.isDone());
844	+	} finally {
845	+	joinPool(e);
846	+	}
847	+	}
848
849		/**
850	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
468	<	* delayed tasks are cancelled at shutdown
850	>	* completed submit of (runnable, result) returns result
851		*/
852	<	public void testShutDown2() {
852	>	public void testSubmitRunnable2() throws Exception {
853	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
854		try {
855	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
856	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
857	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
858	<	for(int i = 0; i < 5; i++)
859	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
477	<	p1.shutdown();
478	<	assertTrue(p1.isShutdown());
479	<	BlockingQueue q = p1.getQueue();
480	<	assertTrue(q.isEmpty());
481	<	Thread.sleep(SMALL_DELAY_MS);
482	<	assertTrue(p1.isTerminated());
855	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
856	>	String result = future.get();
857	>	assertSame(TEST_STRING, result);
858	>	} finally {
859	>	joinPool(e);
860		}
861	<	catch(Exception ex) {
862	<	unexpectedException();
861	>	}
862	>
863	>	/**
864	>	* invokeAny(null) throws NPE
865	>	*/
866	>	public void testInvokeAny1() throws Exception {
867	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
868	>	try {
869	>	e.invokeAny(null);
870	>	shouldThrow();
871	>	} catch (NullPointerException success) {
872	>	} finally {
873	>	joinPool(e);
874		}
875		}
876
877	+	/**
878	+	* invokeAny(empty collection) throws IAE
879	+	*/
880	+	public void testInvokeAny2() throws Exception {
881	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
882	+	try {
883	+	e.invokeAny(new ArrayList<Callable<String>>());
884	+	shouldThrow();
885	+	} catch (IllegalArgumentException success) {
886	+	} finally {
887	+	joinPool(e);
888	+	}
889	+	}
890
891		/**
892	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
492	<	* periodic tasks are not cancelled at shutdown
892	>	* invokeAny(c) throws NPE if c has null elements
893		*/
894	<	public void testShutDown3() {
894	>	public void testInvokeAny3() throws Exception {
895	>	CountDownLatch latch = new CountDownLatch(1);
896	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
897	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
898	>	l.add(latchAwaitingStringTask(latch));
899	>	l.add(null);
900		try {
901	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
902	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
903	<	ScheduledCancellable task =
904	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
905	<	p1.shutdown();
906	<	assertTrue(p1.isShutdown());
502	<	BlockingQueue q = p1.getQueue();
503	<	assertTrue(q.isEmpty());
504	<	Thread.sleep(SHORT_DELAY_MS);
505	<	assertTrue(p1.isTerminated());
901	>	e.invokeAny(l);
902	>	shouldThrow();
903	>	} catch (NullPointerException success) {
904	>	} finally {
905	>	latch.countDown();
906	>	joinPool(e);
907		}
908	<	catch(Exception ex) {
909	<	unexpectedException();
908	>	}
909	>
910	>	/**
911	>	* invokeAny(c) throws ExecutionException if no task completes
912	>	*/
913	>	public void testInvokeAny4() throws Exception {
914	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
915	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
916	>	l.add(new NPETask());
917	>	try {
918	>	e.invokeAny(l);
919	>	shouldThrow();
920	>	} catch (ExecutionException success) {
921	>	assertTrue(success.getCause() instanceof NullPointerException);
922	>	} finally {
923	>	joinPool(e);
924		}
925		}
926
927		/**
928	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
514	<	* periodic tasks are cancelled at shutdown
928	>	* invokeAny(c) returns result of some task
929		*/
930	<	public void testShutDown4() {
931	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
930	>	public void testInvokeAny5() throws Exception {
931	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
932		try {
933	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
934	<	ScheduledCancellable task =
935	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
936	<	assertFalse(task.isCancelled());
937	<	p1.shutdown();
938	<	assertFalse(task.isCancelled());
939	<	assertFalse(p1.isTerminated());
526	<	assertTrue(p1.isShutdown());
527	<	Thread.sleep(SHORT_DELAY_MS);
528	<	assertFalse(task.isCancelled());
529	<	task.cancel(true);
530	<	assertTrue(task.isCancelled());
531	<	Thread.sleep(SHORT_DELAY_MS);
532	<	assertTrue(p1.isTerminated());
933	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
934	>	l.add(new StringTask());
935	>	l.add(new StringTask());
936	>	String result = e.invokeAny(l);
937	>	assertSame(TEST_STRING, result);
938	>	} finally {
939	>	joinPool(e);
940		}
941	<	catch(Exception ex) {
942	<	unexpectedException();
941	>	}
942	>
943	>	/**
944	>	* invokeAll(null) throws NPE
945	>	*/
946	>	public void testInvokeAll1() throws Exception {
947	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
948	>	try {
949	>	e.invokeAll(null);
950	>	shouldThrow();
951	>	} catch (NullPointerException success) {
952	>	} finally {
953	>	joinPool(e);
954		}
955	<	finally {
956	<	p1.shutdownNow();
955	>	}
956	>
957	>	/**
958	>	* invokeAll(empty collection) returns empty collection
959	>	*/
960	>	public void testInvokeAll2() throws Exception {
961	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
962	>	try {
963	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
964	>	assertTrue(r.isEmpty());
965	>	} finally {
966	>	joinPool(e);
967	>	}
968	>	}
969	>
970	>	/**
971	>	* invokeAll(c) throws NPE if c has null elements
972	>	*/
973	>	public void testInvokeAll3() throws Exception {
974	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
975	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
976	>	l.add(new StringTask());
977	>	l.add(null);
978	>	try {
979	>	e.invokeAll(l);
980	>	shouldThrow();
981	>	} catch (NullPointerException success) {
982	>	} finally {
983	>	joinPool(e);
984	>	}
985	>	}
986	>
987	>	/**
988	>	* get of invokeAll(c) throws exception on failed task
989	>	*/
990	>	public void testInvokeAll4() throws Exception {
991	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
992	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
993	>	l.add(new NPETask());
994	>	List<Future<String>> futures = e.invokeAll(l);
995	>	assertEquals(1, futures.size());
996	>	try {
997	>	futures.get(0).get();
998	>	shouldThrow();
999	>	} catch (ExecutionException success) {
1000	>	assertTrue(success.getCause() instanceof NullPointerException);
1001	>	} finally {
1002	>	joinPool(e);
1003	>	}
1004	>	}
1005	>
1006	>	/**
1007	>	* invokeAll(c) returns results of all completed tasks
1008	>	*/
1009	>	public void testInvokeAll5() throws Exception {
1010	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1011	>	try {
1012	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1013	>	l.add(new StringTask());
1014	>	l.add(new StringTask());
1015	>	List<Future<String>> futures = e.invokeAll(l);
1016	>	assertEquals(2, futures.size());
1017	>	for (Future<String> future : futures)
1018	>	assertSame(TEST_STRING, future.get());
1019	>	} finally {
1020	>	joinPool(e);
1021	>	}
1022	>	}
1023	>
1024	>	/**
1025	>	* timed invokeAny(null) throws NPE
1026	>	*/
1027	>	public void testTimedInvokeAny1() throws Exception {
1028	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1029	>	try {
1030	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1031	>	shouldThrow();
1032	>	} catch (NullPointerException success) {
1033	>	} finally {
1034	>	joinPool(e);
1035	>	}
1036	>	}
1037	>
1038	>	/**
1039	>	* timed invokeAny(,,null) throws NPE
1040	>	*/
1041	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1042	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1043	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1044	>	l.add(new StringTask());
1045	>	try {
1046	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1047	>	shouldThrow();
1048	>	} catch (NullPointerException success) {
1049	>	} finally {
1050	>	joinPool(e);
1051	>	}
1052	>	}
1053	>
1054	>	/**
1055	>	* timed invokeAny(empty collection) throws IAE
1056	>	*/
1057	>	public void testTimedInvokeAny2() throws Exception {
1058	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1059	>	try {
1060	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1061	>	shouldThrow();
1062	>	} catch (IllegalArgumentException success) {
1063	>	} finally {
1064	>	joinPool(e);
1065	>	}
1066	>	}
1067	>
1068	>	/**
1069	>	* timed invokeAny(c) throws NPE if c has null elements
1070	>	*/
1071	>	public void testTimedInvokeAny3() throws Exception {
1072	>	CountDownLatch latch = new CountDownLatch(1);
1073	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1074	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1075	>	l.add(latchAwaitingStringTask(latch));
1076	>	l.add(null);
1077	>	try {
1078	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1079	>	shouldThrow();
1080	>	} catch (NullPointerException success) {
1081	>	} finally {
1082	>	latch.countDown();
1083	>	joinPool(e);
1084	>	}
1085	>	}
1086	>
1087	>	/**
1088	>	* timed invokeAny(c) throws ExecutionException if no task completes
1089	>	*/
1090	>	public void testTimedInvokeAny4() throws Exception {
1091	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1092	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1093	>	l.add(new NPETask());
1094	>	try {
1095	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1096	>	shouldThrow();
1097	>	} catch (ExecutionException success) {
1098	>	assertTrue(success.getCause() instanceof NullPointerException);
1099	>	} finally {
1100	>	joinPool(e);
1101	>	}
1102	>	}
1103	>
1104	>	/**
1105	>	* timed invokeAny(c) returns result of some task
1106	>	*/
1107	>	public void testTimedInvokeAny5() throws Exception {
1108	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1109	>	try {
1110	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1111	>	l.add(new StringTask());
1112	>	l.add(new StringTask());
1113	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1114	>	assertSame(TEST_STRING, result);
1115	>	} finally {
1116	>	joinPool(e);
1117	>	}
1118	>	}
1119	>
1120	>	/**
1121	>	* timed invokeAll(null) throws NPE
1122	>	*/
1123	>	public void testTimedInvokeAll1() throws Exception {
1124	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1125	>	try {
1126	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1127	>	shouldThrow();
1128	>	} catch (NullPointerException success) {
1129	>	} finally {
1130	>	joinPool(e);
1131	>	}
1132	>	}
1133	>
1134	>	/**
1135	>	* timed invokeAll(,,null) throws NPE
1136	>	*/
1137	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1138	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1139	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1140	>	l.add(new StringTask());
1141	>	try {
1142	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1143	>	shouldThrow();
1144	>	} catch (NullPointerException success) {
1145	>	} finally {
1146	>	joinPool(e);
1147	>	}
1148	>	}
1149	>
1150	>	/**
1151	>	* timed invokeAll(empty collection) returns empty collection
1152	>	*/
1153	>	public void testTimedInvokeAll2() throws Exception {
1154	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1155	>	try {
1156	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1157	>	assertTrue(r.isEmpty());
1158	>	} finally {
1159	>	joinPool(e);
1160	>	}
1161	>	}
1162	>
1163	>	/**
1164	>	* timed invokeAll(c) throws NPE if c has null elements
1165	>	*/
1166	>	public void testTimedInvokeAll3() throws Exception {
1167	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1168	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1169	>	l.add(new StringTask());
1170	>	l.add(null);
1171	>	try {
1172	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1173	>	shouldThrow();
1174	>	} catch (NullPointerException success) {
1175	>	} finally {
1176	>	joinPool(e);
1177	>	}
1178	>	}
1179	>
1180	>	/**
1181	>	* get of element of invokeAll(c) throws exception on failed task
1182	>	*/
1183	>	public void testTimedInvokeAll4() throws Exception {
1184	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1185	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1186	>	l.add(new NPETask());
1187	>	List<Future<String>> futures =
1188	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1189	>	assertEquals(1, futures.size());
1190	>	try {
1191	>	futures.get(0).get();
1192	>	shouldThrow();
1193	>	} catch (ExecutionException success) {
1194	>	assertTrue(success.getCause() instanceof NullPointerException);
1195	>	} finally {
1196	>	joinPool(e);
1197	>	}
1198	>	}
1199	>
1200	>	/**
1201	>	* timed invokeAll(c) returns results of all completed tasks
1202	>	*/
1203	>	public void testTimedInvokeAll5() throws Exception {
1204	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1205	>	try {
1206	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1207	>	l.add(new StringTask());
1208	>	l.add(new StringTask());
1209	>	List<Future<String>> futures =
1210	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1211	>	assertEquals(2, futures.size());
1212	>	for (Future<String> future : futures)
1213	>	assertSame(TEST_STRING, future.get());
1214	>	} finally {
1215	>	joinPool(e);
1216	>	}
1217	>	}
1218	>
1219	>	/**
1220	>	* timed invokeAll(c) cancels tasks not completed by timeout
1221	>	*/
1222	>	public void testTimedInvokeAll6() throws Exception {
1223	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1224	>	try {
1225	>	for (long timeout = timeoutMillis();;) {
1226	>	List<Callable<String>> tasks = new ArrayList<>();
1227	>	tasks.add(new StringTask("0"));
1228	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1229	>	tasks.add(new StringTask("2"));
1230	>	long startTime = System.nanoTime();
1231	>	List<Future<String>> futures =
1232	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1233	>	assertEquals(tasks.size(), futures.size());
1234	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1235	>	for (Future future : futures)
1236	>	assertTrue(future.isDone());
1237	>	assertTrue(futures.get(1).isCancelled());
1238	>	try {
1239	>	assertEquals("0", futures.get(0).get());
1240	>	assertEquals("2", futures.get(2).get());
1241	>	break;
1242	>	} catch (CancellationException retryWithLongerTimeout) {
1243	>	timeout *= 2;
1244	>	if (timeout >= LONG_DELAY_MS / 2)
1245	>	fail("expected exactly one task to be cancelled");
1246	>	}
1247	>	}
1248	>	} finally {
1249	>	joinPool(e);
1250		}
1251		}
1252

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