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

Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.24 by jsr166, Fri May 27 16:26:29 2011 UTC vs.
Revision 1.36 by jsr166, Mon Sep 14 03:27:11 2015 UTC

#	Line 4 | Line 4
4		* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	–	import junit.framework.*;
8	–	import java.util.*;
9	–	import java.util.concurrent.*;
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	<	import java.util.concurrent.atomic.*;
8	>
9	>	import java.util.ArrayList;
10	>	import java.util.List;
11	>	import java.util.concurrent.BlockingQueue;
12	>	import java.util.concurrent.Callable;
13	>	import java.util.concurrent.CancellationException;
14	>	import java.util.concurrent.CountDownLatch;
15	>	import java.util.concurrent.Delayed;
16	>	import java.util.concurrent.ExecutionException;
17	>	import java.util.concurrent.Executors;
18	>	import java.util.concurrent.ExecutorService;
19	>	import java.util.concurrent.Future;
20	>	import java.util.concurrent.RejectedExecutionException;
21	>	import java.util.concurrent.RejectedExecutionHandler;
22	>	import java.util.concurrent.RunnableScheduledFuture;
23	>	import java.util.concurrent.ScheduledFuture;
24	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
25	>	import java.util.concurrent.ThreadFactory;
26	>	import java.util.concurrent.ThreadPoolExecutor;
27	>	import java.util.concurrent.TimeoutException;
28	>	import java.util.concurrent.TimeUnit;
29	>	import java.util.concurrent.atomic.AtomicInteger;
30	>
31	>	import junit.framework.Test;
32	>	import junit.framework.TestSuite;
33
34		public class ScheduledExecutorSubclassTest extends JSR166TestCase {
35		public static void main(String[] args) {
36	<	junit.textui.TestRunner.run(suite());
36	>	main(suite(), args);
37		}
38		public static Test suite() {
39		return new TestSuite(ScheduledExecutorSubclassTest.class);
#	Line 36 | Line 57 | public class ScheduledExecutorSubclassTe
57		}
58		public boolean isCancelled() { return task.isCancelled(); }
59		public boolean isDone() { return task.isDone(); }
60	<	public V get() throws InterruptedException,  ExecutionException {
60	>	public V get() throws InterruptedException, ExecutionException {
61		V v = task.get();
62		assertTrue(ran);
63		return v;
64		}
65	<	public V get(long time, TimeUnit unit) throws InterruptedException,  ExecutionException, TimeoutException {
65	>	public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
66		V v = task.get(time, unit);
67		assertTrue(ran);
68		return v;
69		}
70		}
71
51	–
72		public class CustomExecutor extends ScheduledThreadPoolExecutor {
73
74		protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) {
#	Line 58 | Line 78 | public class ScheduledExecutorSubclassTe
78		protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) {
79		return new CustomTask<V>(task);
80		}
81	<	CustomExecutor(int corePoolSize) { super(corePoolSize);}
81	>	CustomExecutor(int corePoolSize) { super(corePoolSize); }
82		CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) {
83		super(corePoolSize, handler);
84		}
#	Line 73 | Line 93 | public class ScheduledExecutorSubclassTe
93
94		}
95
76	–
96		/**
97		* execute successfully executes a runnable
98		*/
#	Line 92 | Line 111 | public class ScheduledExecutorSubclassTe
111		}
112		}
113
95	–
114		/**
115		* delayed schedule of callable successfully executes after delay
116		*/
117		public void testSchedule1() throws Exception {
118		CustomExecutor p = new CustomExecutor(1);
119	<	final long t0 = System.nanoTime();
102	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
119	>	final long startTime = System.nanoTime();
120		final CountDownLatch done = new CountDownLatch(1);
121		try {
122		Callable task = new CheckedCallable<Boolean>() {
123		public Boolean realCall() {
124		done.countDown();
125	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
125	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
126		return Boolean.TRUE;
127		}};
128	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
129	<	assertEquals(Boolean.TRUE, f.get());
130	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
128	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
129	>	assertSame(Boolean.TRUE, f.get());
130	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
131		assertTrue(done.await(0L, MILLISECONDS));
132		} finally {
133		joinPool(p);
#	Line 122 | Line 139 | public class ScheduledExecutorSubclassTe
139		*/
140		public void testSchedule3() throws Exception {
141		CustomExecutor p = new CustomExecutor(1);
142	<	final long t0 = System.nanoTime();
126	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
142	>	final long startTime = System.nanoTime();
143		final CountDownLatch done = new CountDownLatch(1);
144		try {
145		Runnable task = new CheckedRunnable() {
146		public void realRun() {
147		done.countDown();
148	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
148	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
149		}};
150	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
151	<	assertNull(f.get());
152	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
153	<	assertTrue(done.await(0L, MILLISECONDS));
150	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
151	>	await(done);
152	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
153	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
154		} finally {
155		joinPool(p);
156		}
#	Line 145 | Line 161 | public class ScheduledExecutorSubclassTe
161		*/
162		public void testSchedule4() throws InterruptedException {
163		CustomExecutor p = new CustomExecutor(1);
164	<	final long t0 = System.nanoTime();
149	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
164	>	final long startTime = System.nanoTime();
165		final CountDownLatch done = new CountDownLatch(1);
166		try {
167		Runnable task = new CheckedRunnable() {
168		public void realRun() {
169		done.countDown();
170	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
170	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
171		}};
172		ScheduledFuture f =
173	<	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
174	<	SHORT_DELAY_MS, MILLISECONDS);
175	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
176	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
173	>	p.scheduleAtFixedRate(task, timeoutMillis(),
174	>	LONG_DELAY_MS, MILLISECONDS);
175	>	await(done);
176	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
177		f.cancel(true);
178		} finally {
179		joinPool(p);
#	Line 170 | Line 185 | public class ScheduledExecutorSubclassTe
185		*/
186		public void testSchedule5() throws InterruptedException {
187		CustomExecutor p = new CustomExecutor(1);
188	<	final long t0 = System.nanoTime();
174	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
188	>	final long startTime = System.nanoTime();
189		final CountDownLatch done = new CountDownLatch(1);
190		try {
191		Runnable task = new CheckedRunnable() {
192		public void realRun() {
193		done.countDown();
194	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
194	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
195		}};
196		ScheduledFuture f =
197	<	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
198	<	SHORT_DELAY_MS, MILLISECONDS);
199	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
200	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
197	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
198	>	LONG_DELAY_MS, MILLISECONDS);
199	>	await(done);
200	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
201		f.cancel(true);
202		} finally {
203		joinPool(p);
#	Line 200 | Line 214 | public class ScheduledExecutorSubclassTe
214		*/
215		public void testFixedRateSequence() throws InterruptedException {
216		CustomExecutor p = new CustomExecutor(1);
217	<	RunnableCounter counter = new RunnableCounter();
218	<	ScheduledFuture h =
219	<	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
220	<	delay(SMALL_DELAY_MS);
221	<	h.cancel(true);
222	<	int c = counter.count.get();
223	<	// By time scaling conventions, we must have at least
224	<	// an execution per SHORT delay, but no more than one SHORT more
225	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
226	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
227	<	joinPool(p);
217	>	try {
218	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
219	>	long startTime = System.nanoTime();
220	>	int cycles = 10;
221	>	final CountDownLatch done = new CountDownLatch(cycles);
222	>	Runnable task = new CheckedRunnable() {
223	>	public void realRun() { done.countDown(); }};
224	>	ScheduledFuture h =
225	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
226	>	done.await();
227	>	h.cancel(true);
228	>	double normalizedTime =
229	>	(double) millisElapsedSince(startTime) / delay;
230	>	if (normalizedTime >= cycles - 1 &&
231	>	normalizedTime <= cycles)
232	>	return;
233	>	}
234	>	throw new AssertionError("unexpected execution rate");
235	>	} finally {
236	>	joinPool(p);
237	>	}
238		}
239
240		/**
#	Line 218 | Line 242 | public class ScheduledExecutorSubclassTe
242		*/
243		public void testFixedDelaySequence() throws InterruptedException {
244		CustomExecutor p = new CustomExecutor(1);
245	<	RunnableCounter counter = new RunnableCounter();
246	<	ScheduledFuture h =
247	<	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
248	<	delay(SMALL_DELAY_MS);
249	<	h.cancel(true);
250	<	int c = counter.count.get();
251	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
252	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
253	<	joinPool(p);
245	>	try {
246	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
247	>	long startTime = System.nanoTime();
248	>	int cycles = 10;
249	>	final CountDownLatch done = new CountDownLatch(cycles);
250	>	Runnable task = new CheckedRunnable() {
251	>	public void realRun() { done.countDown(); }};
252	>	ScheduledFuture h =
253	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
254	>	done.await();
255	>	h.cancel(true);
256	>	double normalizedTime =
257	>	(double) millisElapsedSince(startTime) / delay;
258	>	if (normalizedTime >= cycles - 1 &&
259	>	normalizedTime <= cycles)
260	>	return;
261	>	}
262	>	throw new AssertionError("unexpected execution rate");
263	>	} finally {
264	>	joinPool(p);
265	>	}
266		}
267
232	–
268		/**
269		* execute(null) throws NPE
270		*/
#	Line 378 | Line 413 | public class ScheduledExecutorSubclassTe
413		threadProceed.await();
414		threadDone.countDown();
415		}});
416	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
416	>	await(threadStarted);
417		assertEquals(0, p.getCompletedTaskCount());
418		threadProceed.countDown();
419		threadDone.await();
420	<	delay(SHORT_DELAY_MS);
421	<	assertEquals(1, p.getCompletedTaskCount());
420	>	long startTime = System.nanoTime();
421	>	while (p.getCompletedTaskCount() != 1) {
422	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
423	>	fail("timed out");
424	>	Thread.yield();
425	>	}
426		} finally {
427		joinPool(p);
428		}
#	Line 523 | Line 562 | public class ScheduledExecutorSubclassTe
562		assertTrue(p.isShutdown());
563		}
564
526	–
565		/**
566		* isTerminated is false before termination, true after
567		*/
#	Line 714 | Line 752 | public class ScheduledExecutorSubclassTe
752		}
753		}
754
717	–
755		/**
756		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
757		* delayed tasks are cancelled at shutdown
#	Line 741 | Line 778 | public class ScheduledExecutorSubclassTe
778		}
779		}
780
744	–
781		/**
782		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
783		* periodic tasks are cancelled at shutdown
#	Line 1205 | Line 1241 | public class ScheduledExecutorSubclassTe
1241		public void testTimedInvokeAll6() throws Exception {
1242		ExecutorService e = new CustomExecutor(2);
1243		try {
1244	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1245	<	l.add(new StringTask());
1246	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1247	<	l.add(new StringTask());
1248	<	List<Future<String>> futures =
1249	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1250	<	assertEquals(3, futures.size());
1251	<	Iterator<Future<String>> it = futures.iterator();
1252	<	Future<String> f1 = it.next();
1253	<	Future<String> f2 = it.next();
1254	<	Future<String> f3 = it.next();
1255	<	assertTrue(f1.isDone());
1256	<	assertTrue(f2.isDone());
1257	<	assertTrue(f3.isDone());
1258	<	assertFalse(f1.isCancelled());
1259	<	assertTrue(f2.isCancelled());
1244	>	for (long timeout = timeoutMillis();;) {
1245	>	List<Callable<String>> tasks = new ArrayList<>();
1246	>	tasks.add(new StringTask("0"));
1247	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1248	>	tasks.add(new StringTask("2"));
1249	>	long startTime = System.nanoTime();
1250	>	List<Future<String>> futures =
1251	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1252	>	assertEquals(tasks.size(), futures.size());
1253	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1254	>	for (Future future : futures)
1255	>	assertTrue(future.isDone());
1256	>	assertTrue(futures.get(1).isCancelled());
1257	>	try {
1258	>	assertEquals("0", futures.get(0).get());
1259	>	assertEquals("2", futures.get(2).get());
1260	>	break;
1261	>	} catch (CancellationException retryWithLongerTimeout) {
1262	>	timeout *= 2;
1263	>	if (timeout >= LONG_DELAY_MS / 2)
1264	>	fail("expected exactly one task to be cancelled");
1265	>	}
1266	>	}
1267		} finally {
1268		joinPool(e);
1269		}

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