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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.42 by jsr166, Sun May 29 13:45:35 2011 UTC vs.
Revision 1.50 by jsr166, Wed Aug 16 17:18:34 2017 UTC

#	Line 6 | Line 6
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 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 24 | 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 56 | Line 72 | public class ExecutorsTest extends JSR16
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 88 | 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 {
97	<	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
#	Line 102 | Line 119 | public class ExecutorsTest extends JSR16
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		/**
143	<	* A new newFixedThreadPool with null ThreadFactory throws NPE
143	>	* A new newFixedThreadPool with null ThreadFactory throws
144	>	* NullPointerException
145		*/
146		public void testNewFixedThreadPool3() {
147		try {
#	Line 131 | Line 151 | public class ExecutorsTest extends JSR16
151		}
152
153		/**
154	<	* A new newFixedThreadPool with 0 threads throws IAE
154	>	* A new newFixedThreadPool with 0 threads throws IllegalArgumentException
155		*/
156		public void testNewFixedThreadPool4() {
157		try {
#	Line 144 | Line 164 | public class ExecutorsTest extends JSR16
164		* An unconfigurable newFixedThreadPool can execute runnables
165		*/
166		public void testUnconfigurableExecutorService() {
167	<	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
168	<	e.execute(new NoOpRunnable());
169	<	e.execute(new NoOpRunnable());
170	<	e.execute(new NoOpRunnable());
171	<	joinPool(e);
167	>	final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
168	>	try (PoolCleaner cleaner = cleaner(e)) {
169	>	e.execute(new NoOpRunnable());
170	>	e.execute(new NoOpRunnable());
171	>	e.execute(new NoOpRunnable());
172	>	}
173		}
174
175		/**
#	Line 175 | Line 196 | public class ExecutorsTest extends JSR16
196		* a newSingleThreadScheduledExecutor successfully runs delayed task
197		*/
198		public void testNewSingleThreadScheduledExecutor() throws Exception {
199	<	ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
200	<	try {
199	>	final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
200	>	try (PoolCleaner cleaner = cleaner(p)) {
201		final CountDownLatch proceed = new CountDownLatch(1);
202		final Runnable task = new CheckedRunnable() {
203		public void realRun() {
#	Line 192 | Line 213 | public class ExecutorsTest extends JSR16
213		assertTrue(f.isDone());
214		assertFalse(f.isCancelled());
215		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
195	–	} finally {
196	–	joinPool(p);
216		}
217		}
218
#	Line 201 | Line 220 | public class ExecutorsTest extends JSR16
220		* a newScheduledThreadPool successfully runs delayed task
221		*/
222		public void testNewScheduledThreadPool() throws Exception {
223	<	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
224	<	try {
223	>	final ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
224	>	try (PoolCleaner cleaner = cleaner(p)) {
225		final CountDownLatch proceed = new CountDownLatch(1);
226		final Runnable task = new CheckedRunnable() {
227		public void realRun() {
#	Line 218 | Line 237 | public class ExecutorsTest extends JSR16
237		assertTrue(f.isDone());
238		assertFalse(f.isCancelled());
239		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
221	–	} finally {
222	–	joinPool(p);
240		}
241		}
242
#	Line 227 | Line 244 | public class ExecutorsTest extends JSR16
244		* an unconfigurable newScheduledThreadPool successfully runs delayed task
245		*/
246		public void testUnconfigurableScheduledExecutorService() throws Exception {
247	<	ScheduledExecutorService p =
247	>	final ScheduledExecutorService p =
248		Executors.unconfigurableScheduledExecutorService
249		(Executors.newScheduledThreadPool(2));
250	<	try {
250	>	try (PoolCleaner cleaner = cleaner(p)) {
251		final CountDownLatch proceed = new CountDownLatch(1);
252		final Runnable task = new CheckedRunnable() {
253		public void realRun() {
#	Line 246 | Line 263 | public class ExecutorsTest extends JSR16
263		assertTrue(f.isDone());
264		assertFalse(f.isCancelled());
265		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
249	–	} finally {
250	–	joinPool(p);
266		}
267		}
268
#	Line 267 | Line 282 | public class ExecutorsTest extends JSR16
282		delay(LONG_DELAY_MS);
283		}};
284
285	<	List<Thread> threads = new ArrayList<Thread>();
285	>	List<Thread> threads = new ArrayList<>();
286		for (final ExecutorService executor : executors) {
287		threads.add(newStartedThread(new CheckedRunnable() {
288		public void realRun() {
274	–	long startTime = System.nanoTime();
289		Future future = executor.submit(sleeper);
290		assertFutureTimesOut(future);
291		}}));
#	Line 293 | Line 307 | public class ExecutorsTest extends JSR16
307		public void realRun() {
308		try {
309		Thread current = Thread.currentThread();
310	<	assertTrue(!current.isDaemon());
310	>	assertFalse(current.isDaemon());
311		assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
298	–	ThreadGroup g = current.getThreadGroup();
312		SecurityManager s = System.getSecurityManager();
313	<	if (s != null)
314	<	assertTrue(g == s.getThreadGroup());
315	<	else
303	<	assertTrue(g == egroup);
304	<	String name = current.getName();
305	<	assertTrue(name.endsWith("thread-1"));
313	>	assertSame(current.getThreadGroup(),
314	>	(s == null) ? egroup : s.getThreadGroup());
315	>	assertTrue(current.getName().endsWith("thread-1"));
316		} catch (SecurityException ok) {
317		// Also pass if not allowed to change setting
318		}
319		done.countDown();
320		}};
321		ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
322	<
323	<	e.execute(r);
324	<	await(done);
315	<
316	<	try {
317	<	e.shutdown();
318	<	} catch (SecurityException ok) {
322	>	try (PoolCleaner cleaner = cleaner(e)) {
323	>	e.execute(r);
324	>	await(done);
325		}
320	–
321	–	joinPool(e);
326		}
327
328		/**
#	Line 336 | Line 340 | public class ExecutorsTest extends JSR16
340		Runnable r = new CheckedRunnable() {
341		public void realRun() {
342		Thread current = Thread.currentThread();
343	<	assertTrue(!current.isDaemon());
343	>	assertFalse(current.isDaemon());
344		assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
341	–	ThreadGroup g = current.getThreadGroup();
345		SecurityManager s = System.getSecurityManager();
346	<	if (s != null)
347	<	assertTrue(g == s.getThreadGroup());
348	<	else
346	<	assertTrue(g == egroup);
347	<	String name = current.getName();
348	<	assertTrue(name.endsWith("thread-1"));
346	>	assertSame(current.getThreadGroup(),
347	>	(s == null) ? egroup : s.getThreadGroup());
348	>	assertTrue(current.getName().endsWith("thread-1"));
349		assertSame(thisccl, current.getContextClassLoader());
350		assertEquals(thisacc, AccessController.getContext());
351		done.countDown();
352		}};
353		ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
354	<	e.execute(r);
355	<	await(done);
356	<	e.shutdown();
357	<	joinPool(e);
354	>	try (PoolCleaner cleaner = cleaner(e)) {
355	>	e.execute(r);
356	>	await(done);
357	>	}
358		}};
359
360		runWithPermissions(r,
#	Line 586 | Line 586 | public class ExecutorsTest extends JSR16
586		} catch (NullPointerException success) {}
587		}
588
589	+	/**
590	+	* callable(runnable, x).toString() contains toString of wrapped task
591	+	*/
592	+	public void testCallable_withResult_toString() {
593	+	if (testImplementationDetails) {
594	+	Runnable r = () -> {};
595	+	Callable<String> c = Executors.callable(r, "");
596	+	assertEquals(
597	+	identityString(c) + "[Wrapped task = " + r.toString() + "]",
598	+	c.toString());
599	+	}
600	+	}
601	+
602	+	/**
603	+	* callable(runnable).toString() contains toString of wrapped task
604	+	*/
605	+	public void testCallable_toString() {
606	+	if (testImplementationDetails) {
607	+	Runnable r = () -> {};
608	+	Callable<Object> c = Executors.callable(r);
609	+	assertEquals(
610	+	identityString(c) + "[Wrapped task = " + r.toString() + "]",
611	+	c.toString());
612	+	}
613	+	}
614	+
615	+	/**
616	+	* privilegedCallable(callable).toString() contains toString of wrapped task
617	+	*/
618	+	public void testPrivilegedCallable_toString() {
619	+	if (testImplementationDetails) {
620	+	Callable<String> c = () -> "";
621	+	Callable<String> priv = Executors.privilegedCallable(c);
622	+	assertEquals(
623	+	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
624	+	priv.toString());
625	+	}
626	+	}
627	+
628	+	/**
629	+	* privilegedCallableUsingCurrentClassLoader(callable).toString()
630	+	* contains toString of wrapped task
631	+	*/
632	+	public void testPrivilegedCallableUsingCurrentClassLoader_toString() {
633	+	if (testImplementationDetails) {
634	+	Callable<String> c = () -> "";
635	+	Callable<String> priv = Executors.privilegedCallableUsingCurrentClassLoader(c);
636	+	assertEquals(
637	+	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
638	+	priv.toString());
639	+	}
640	+	}
641		}

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