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Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.34 by jsr166, Sat Oct 9 19:30:35 2010 UTC vs.
Revision 1.47 by jsr166, Wed Jan 4 06:09:58 2017 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9	–
10	–	import junit.framework.*;
11	–	import java.util.*;
12	–	import java.util.concurrent.*;
9		import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	<	import java.math.BigInteger;
11	<	import java.security.*;
10	>
11	>	import java.security.AccessControlContext;
12	>	import java.security.AccessControlException;
13	>	import java.security.AccessController;
14	>	import java.security.PrivilegedAction;
15	>	import java.security.PrivilegedExceptionAction;
16	>	import java.util.ArrayList;
17	>	import java.util.List;
18	>	import java.util.concurrent.Callable;
19	>	import java.util.concurrent.CountDownLatch;
20	>	import java.util.concurrent.Executors;
21	>	import java.util.concurrent.ExecutorService;
22	>	import java.util.concurrent.Future;
23	>	import java.util.concurrent.ScheduledExecutorService;
24	>	import java.util.concurrent.ThreadPoolExecutor;
25	>
26	>	import junit.framework.Test;
27	>	import junit.framework.TestSuite;
28
29		public class ExecutorsTest extends JSR166TestCase {
30		public static void main(String[] args) {
31	<	junit.textui.TestRunner.run(suite());
31	>	main(suite(), args);
32		}
33		public static Test suite() {
34		return new TestSuite(ExecutorsTest.class);
#	Line 26 | Line 38 | public class ExecutorsTest extends JSR16
38		* A newCachedThreadPool can execute runnables
39		*/
40		public void testNewCachedThreadPool1() {
41	<	ExecutorService e = Executors.newCachedThreadPool();
42	<	e.execute(new NoOpRunnable());
43	<	e.execute(new NoOpRunnable());
44	<	e.execute(new NoOpRunnable());
45	<	joinPool(e);
41	>	final ExecutorService e = Executors.newCachedThreadPool();
42	>	try (PoolCleaner cleaner = cleaner(e)) {
43	>	e.execute(new NoOpRunnable());
44	>	e.execute(new NoOpRunnable());
45	>	e.execute(new NoOpRunnable());
46	>	}
47		}
48
49		/**
50		* A newCachedThreadPool with given ThreadFactory can execute runnables
51		*/
52		public void testNewCachedThreadPool2() {
53	<	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
54	<	e.execute(new NoOpRunnable());
55	<	e.execute(new NoOpRunnable());
56	<	e.execute(new NoOpRunnable());
57	<	joinPool(e);
53	>	final ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
54	>	try (PoolCleaner cleaner = cleaner(e)) {
55	>	e.execute(new NoOpRunnable());
56	>	e.execute(new NoOpRunnable());
57	>	e.execute(new NoOpRunnable());
58	>	}
59		}
60
61		/**
#	Line 54 | Line 68 | public class ExecutorsTest extends JSR16
68		} catch (NullPointerException success) {}
69		}
70
57	–
71		/**
72		* A new SingleThreadExecutor can execute runnables
73		*/
74		public void testNewSingleThreadExecutor1() {
75	<	ExecutorService e = Executors.newSingleThreadExecutor();
76	<	e.execute(new NoOpRunnable());
77	<	e.execute(new NoOpRunnable());
78	<	e.execute(new NoOpRunnable());
79	<	joinPool(e);
75	>	final ExecutorService e = Executors.newSingleThreadExecutor();
76	>	try (PoolCleaner cleaner = cleaner(e)) {
77	>	e.execute(new NoOpRunnable());
78	>	e.execute(new NoOpRunnable());
79	>	e.execute(new NoOpRunnable());
80	>	}
81		}
82
83		/**
84		* A new SingleThreadExecutor with given ThreadFactory can execute runnables
85		*/
86		public void testNewSingleThreadExecutor2() {
87	<	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
88	<	e.execute(new NoOpRunnable());
89	<	e.execute(new NoOpRunnable());
90	<	e.execute(new NoOpRunnable());
91	<	joinPool(e);
87	>	final ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
88	>	try (PoolCleaner cleaner = cleaner(e)) {
89	>	e.execute(new NoOpRunnable());
90	>	e.execute(new NoOpRunnable());
91	>	e.execute(new NoOpRunnable());
92	>	}
93		}
94
95		/**
#	Line 91 | Line 106 | public class ExecutorsTest extends JSR16
106		* A new SingleThreadExecutor cannot be casted to concrete implementation
107		*/
108		public void testCastNewSingleThreadExecutor() {
109	<	ExecutorService e = Executors.newSingleThreadExecutor();
110	<	try {
111	<	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
112	<	shouldThrow();
113	<	} catch (ClassCastException success) {
114	<	} finally {
100	<	joinPool(e);
109	>	final ExecutorService e = Executors.newSingleThreadExecutor();
110	>	try (PoolCleaner cleaner = cleaner(e)) {
111	>	try {
112	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
113	>	shouldThrow();
114	>	} catch (ClassCastException success) {}
115		}
116		}
117
104	–
118		/**
119		* A new newFixedThreadPool can execute runnables
120		*/
121		public void testNewFixedThreadPool1() {
122	<	ExecutorService e = Executors.newFixedThreadPool(2);
123	<	e.execute(new NoOpRunnable());
124	<	e.execute(new NoOpRunnable());
125	<	e.execute(new NoOpRunnable());
126	<	joinPool(e);
122	>	final ExecutorService e = Executors.newFixedThreadPool(2);
123	>	try (PoolCleaner cleaner = cleaner(e)) {
124	>	e.execute(new NoOpRunnable());
125	>	e.execute(new NoOpRunnable());
126	>	e.execute(new NoOpRunnable());
127	>	}
128		}
129
130		/**
131		* A new newFixedThreadPool with given ThreadFactory can execute runnables
132		*/
133		public void testNewFixedThreadPool2() {
134	<	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
135	<	e.execute(new NoOpRunnable());
136	<	e.execute(new NoOpRunnable());
137	<	e.execute(new NoOpRunnable());
138	<	joinPool(e);
134	>	final ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
135	>	try (PoolCleaner cleaner = cleaner(e)) {
136	>	e.execute(new NoOpRunnable());
137	>	e.execute(new NoOpRunnable());
138	>	e.execute(new NoOpRunnable());
139	>	}
140		}
141
142		/**
#	Line 144 | Line 159 | public class ExecutorsTest extends JSR16
159		} catch (IllegalArgumentException success) {}
160		}
161
147	–
162		/**
163		* An unconfigurable newFixedThreadPool can execute runnables
164		*/
165	<	public void testunconfigurableExecutorService() {
166	<	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
167	<	e.execute(new NoOpRunnable());
168	<	e.execute(new NoOpRunnable());
169	<	e.execute(new NoOpRunnable());
170	<	joinPool(e);
165	>	public void testUnconfigurableExecutorService() {
166	>	final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
167	>	try (PoolCleaner cleaner = cleaner(e)) {
168	>	e.execute(new NoOpRunnable());
169	>	e.execute(new NoOpRunnable());
170	>	e.execute(new NoOpRunnable());
171	>	}
172		}
173
174		/**
175		* unconfigurableExecutorService(null) throws NPE
176		*/
177	<	public void testunconfigurableExecutorServiceNPE() {
177	>	public void testUnconfigurableExecutorServiceNPE() {
178		try {
179		ExecutorService e = Executors.unconfigurableExecutorService(null);
180		shouldThrow();
#	Line 169 | Line 184 | public class ExecutorsTest extends JSR16
184		/**
185		* unconfigurableScheduledExecutorService(null) throws NPE
186		*/
187	<	public void testunconfigurableScheduledExecutorServiceNPE() {
187	>	public void testUnconfigurableScheduledExecutorServiceNPE() {
188		try {
189		ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
190		shouldThrow();
191		} catch (NullPointerException success) {}
192		}
193
179	–
194		/**
195		* a newSingleThreadScheduledExecutor successfully runs delayed task
196		*/
197		public void testNewSingleThreadScheduledExecutor() throws Exception {
198	<	TrackedCallable callable = new TrackedCallable();
199	<	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
200	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
201	<	assertFalse(callable.done);
202	<	Thread.sleep(MEDIUM_DELAY_MS);
203	<	assertTrue(callable.done);
204	<	assertEquals(Boolean.TRUE, f.get());
205	<	joinPool(p1);
198	>	final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
199	>	try (PoolCleaner cleaner = cleaner(p)) {
200	>	final CountDownLatch proceed = new CountDownLatch(1);
201	>	final Runnable task = new CheckedRunnable() {
202	>	public void realRun() {
203	>	await(proceed);
204	>	}};
205	>	long startTime = System.nanoTime();
206	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
207	>	timeoutMillis(), MILLISECONDS);
208	>	assertFalse(f.isDone());
209	>	proceed.countDown();
210	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
211	>	assertSame(Boolean.TRUE, f.get());
212	>	assertTrue(f.isDone());
213	>	assertFalse(f.isCancelled());
214	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
215	>	}
216		}
217
218		/**
219		* a newScheduledThreadPool successfully runs delayed task
220		*/
221	<	public void testnewScheduledThreadPool() throws Exception {
222	<	TrackedCallable callable = new TrackedCallable();
223	<	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
224	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
225	<	assertFalse(callable.done);
226	<	Thread.sleep(MEDIUM_DELAY_MS);
227	<	assertTrue(callable.done);
228	<	assertEquals(Boolean.TRUE, f.get());
229	<	joinPool(p1);
221	>	public void testNewScheduledThreadPool() throws Exception {
222	>	final ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
223	>	try (PoolCleaner cleaner = cleaner(p)) {
224	>	final CountDownLatch proceed = new CountDownLatch(1);
225	>	final Runnable task = new CheckedRunnable() {
226	>	public void realRun() {
227	>	await(proceed);
228	>	}};
229	>	long startTime = System.nanoTime();
230	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
231	>	timeoutMillis(), MILLISECONDS);
232	>	assertFalse(f.isDone());
233	>	proceed.countDown();
234	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
235	>	assertSame(Boolean.TRUE, f.get());
236	>	assertTrue(f.isDone());
237	>	assertFalse(f.isCancelled());
238	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
239	>	}
240		}
241
242		/**
243		* an unconfigurable newScheduledThreadPool successfully runs delayed task
244		*/
245	<	public void testunconfigurableScheduledExecutorService() throws Exception {
246	<	TrackedCallable callable = new TrackedCallable();
247	<	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
248	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
249	<	assertFalse(callable.done);
250	<	Thread.sleep(MEDIUM_DELAY_MS);
251	<	assertTrue(callable.done);
252	<	assertEquals(Boolean.TRUE, f.get());
253	<	joinPool(p1);
245	>	public void testUnconfigurableScheduledExecutorService() throws Exception {
246	>	final ScheduledExecutorService p =
247	>	Executors.unconfigurableScheduledExecutorService
248	>	(Executors.newScheduledThreadPool(2));
249	>	try (PoolCleaner cleaner = cleaner(p)) {
250	>	final CountDownLatch proceed = new CountDownLatch(1);
251	>	final Runnable task = new CheckedRunnable() {
252	>	public void realRun() {
253	>	await(proceed);
254	>	}};
255	>	long startTime = System.nanoTime();
256	>	Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
257	>	timeoutMillis(), MILLISECONDS);
258	>	assertFalse(f.isDone());
259	>	proceed.countDown();
260	>	assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
261	>	assertSame(Boolean.TRUE, f.get());
262	>	assertTrue(f.isDone());
263	>	assertFalse(f.isCancelled());
264	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
265	>	}
266		}
267
268		/**
269		* Future.get on submitted tasks will time out if they compute too long.
270		*/
271		public void testTimedCallable() throws Exception {
272	+	final ExecutorService[] executors = {
273	+	Executors.newSingleThreadExecutor(),
274	+	Executors.newCachedThreadPool(),
275	+	Executors.newFixedThreadPool(2),
276	+	Executors.newScheduledThreadPool(2),
277	+	};
278	+
279		final Runnable sleeper = new CheckedInterruptedRunnable() {
280		public void realRun() throws InterruptedException {
281	<	Thread.sleep(LONG_DELAY_MS);
281	>	delay(LONG_DELAY_MS);
282		}};
283	<	for (ExecutorService executor :
284	<	new ExecutorService[] {
285	<	Executors.newSingleThreadExecutor(),
286	<	Executors.newCachedThreadPool(),
287	<	Executors.newFixedThreadPool(2),
288	<	Executors.newScheduledThreadPool(2),
289	<	}) {
290	<	try {
238	<	Future future = executor.submit(sleeper);
239	<	try {
240	<	future.get(SHORT_DELAY_MS, MILLISECONDS);
241	<	shouldThrow();
242	<	} catch (TimeoutException success) {
243	<	} finally {
244	<	future.cancel(true);
245	<	}
246	<	}
247	<	finally {
248	<	joinPool(executor);
249	<	}
283	>
284	>	List<Thread> threads = new ArrayList<>();
285	>	for (final ExecutorService executor : executors) {
286	>	threads.add(newStartedThread(new CheckedRunnable() {
287	>	public void realRun() {
288	>	Future future = executor.submit(sleeper);
289	>	assertFutureTimesOut(future);
290	>	}}));
291		}
292	+	for (Thread thread : threads)
293	+	awaitTermination(thread);
294	+	for (ExecutorService executor : executors)
295	+	joinPool(executor);
296		}
297
253	–
298		/**
299		* ThreadPoolExecutor using defaultThreadFactory has
300		* specified group, priority, daemon status, and name
301		*/
302		public void testDefaultThreadFactory() throws Exception {
303		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
304	+	final CountDownLatch done = new CountDownLatch(1);
305		Runnable r = new CheckedRunnable() {
306		public void realRun() {
307		try {
#	Line 274 | Line 319 | public class ExecutorsTest extends JSR16
319		} catch (SecurityException ok) {
320		// Also pass if not allowed to change setting
321		}
322	+	done.countDown();
323		}};
324		ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
325	<
326	<	e.execute(r);
327	<	try {
282	<	e.shutdown();
283	<	} catch (SecurityException ok) {
284	<	}
285	<
286	<	try {
287	<	Thread.sleep(SHORT_DELAY_MS);
288	<	} finally {
289	<	joinPool(e);
325	>	try (PoolCleaner cleaner = cleaner(e)) {
326	>	e.execute(r);
327	>	await(done);
328		}
329		}
330
#	Line 296 | Line 334 | public class ExecutorsTest extends JSR16
334		* access control context and context class loader
335		*/
336		public void testPrivilegedThreadFactory() throws Exception {
337	+	final CountDownLatch done = new CountDownLatch(1);
338		Runnable r = new CheckedRunnable() {
339		public void realRun() throws Exception {
340		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
#	Line 316 | Line 355 | public class ExecutorsTest extends JSR16
355		assertTrue(name.endsWith("thread-1"));
356		assertSame(thisccl, current.getContextClassLoader());
357		assertEquals(thisacc, AccessController.getContext());
358	+	done.countDown();
359		}};
360		ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
361	<	e.execute(r);
362	<	e.shutdown();
363	<	Thread.sleep(SHORT_DELAY_MS);
364	<	joinPool(e);
361	>	try (PoolCleaner cleaner = cleaner(e)) {
362	>	e.execute(r);
363	>	await(done);
364	>	}
365		}};
366
367		runWithPermissions(r,
#	Line 358 | Line 398 | public class ExecutorsTest extends JSR16
398		}
399		}
400
361	–
401		/**
402		* Without class loader permissions, creating
403		* privilegedCallableUsingCurrentClassLoader throws ACE
#	Line 381 | Line 420 | public class ExecutorsTest extends JSR16
420		* With class loader permissions, calling
421		* privilegedCallableUsingCurrentClassLoader does not throw ACE
422		*/
423	<	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
423	>	public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception {
424		Runnable r = new CheckedRunnable() {
425		public void realRun() throws Exception {
426		Executors.privilegedCallableUsingCurrentClassLoader
#	Line 397 | Line 436 | public class ExecutorsTest extends JSR16
436		/**
437		* Without permissions, calling privilegedCallable throws ACE
438		*/
439	<	public void testprivilegedCallableWithNoPrivs() throws Exception {
439	>	public void testPrivilegedCallableWithNoPrivs() throws Exception {
440		// Avoid classloader-related SecurityExceptions in swingui.TestRunner
441		Executors.privilegedCallable(new CheckCCL());
442
#	Line 469 | Line 508 | public class ExecutorsTest extends JSR16
508		/**
509		* With permissions, calling privilegedCallable succeeds
510		*/
511	<	public void testprivilegedCallableWithPrivs() throws Exception {
511	>	public void testPrivilegedCallableWithPrivs() throws Exception {
512		Runnable r = new CheckedRunnable() {
513		public void realRun() throws Exception {
514		Executors.privilegedCallable(new CheckCCL()).call();
515		}};
516
517	<	runWithPermissions(r,
517	>	runWithPermissions(r,
518		new RuntimePermission("getClassLoader"),
519		new RuntimePermission("setContextClassLoader"));
520		}
#	Line 514 | Line 553 | public class ExecutorsTest extends JSR16
553		assertSame(one, c.call());
554		}
555
517	–
556		/**
557		* callable(null Runnable) throws NPE
558		*/
#	Line 555 | Line 593 | public class ExecutorsTest extends JSR16
593		} catch (NullPointerException success) {}
594		}
595
558	–
596		}

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