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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.44 by jsr166, Sun Feb 22 19:16:12 2015 UTC vs.
Revision 1.52 by dl, Sat Feb 1 16:45:50 2020 UTC

#	Line 28 | Line 28 | 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 38 | 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 61 | Line 63 | public class ExecutorsTest extends JSR16
63		*/
64		public void testNewCachedThreadPool3() {
65		try {
66	<	ExecutorService e = Executors.newCachedThreadPool(null);
66	>	ExecutorService unused = Executors.newCachedThreadPool(null);
67		shouldThrow();
68		} catch (NullPointerException success) {}
69		}
#	Line 70 | 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 93 | Line 97 | public class ExecutorsTest extends JSR16
97		*/
98		public void testNewSingleThreadExecutor3() {
99		try {
100	<	ExecutorService e = Executors.newSingleThreadExecutor(null);
100	>	ExecutorService unused = Executors.newSingleThreadExecutor(null);
101		shouldThrow();
102		} catch (NullPointerException success) {}
103		}
#	Line 102 | 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 {
111	<	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 116 | 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 {
148	<	ExecutorService e = Executors.newFixedThreadPool(2, null);
148	>	ExecutorService unused = Executors.newFixedThreadPool(2, null);
149		shouldThrow();
150		} catch (NullPointerException success) {}
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 {
158	<	ExecutorService e = Executors.newFixedThreadPool(0);
158	>	ExecutorService unused = Executors.newFixedThreadPool(0);
159		shouldThrow();
160		} catch (IllegalArgumentException success) {}
161		}
#	Line 158 | 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 170 | Line 177 | public class ExecutorsTest extends JSR16
177		*/
178		public void testUnconfigurableExecutorServiceNPE() {
179		try {
180	<	ExecutorService e = Executors.unconfigurableExecutorService(null);
180	>	ExecutorService unused =
181	>	Executors.unconfigurableExecutorService(null);
182		shouldThrow();
183		} catch (NullPointerException success) {}
184		}
#	Line 180 | Line 188 | public class ExecutorsTest extends JSR16
188		*/
189		public void testUnconfigurableScheduledExecutorServiceNPE() {
190		try {
191	<	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
191	>	ExecutorService unused =
192	>	Executors.unconfigurableScheduledExecutorService(null);
193		shouldThrow();
194		} catch (NullPointerException success) {}
195		}
#	Line 189 | Line 198 | public class ExecutorsTest extends JSR16
198		* a newSingleThreadScheduledExecutor successfully runs delayed task
199		*/
200		public void testNewSingleThreadScheduledExecutor() throws Exception {
201	<	ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
202	<	try {
201	>	final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
202	>	try (PoolCleaner cleaner = cleaner(p)) {
203		final CountDownLatch proceed = new CountDownLatch(1);
204		final Runnable task = new CheckedRunnable() {
205		public void realRun() {
#	Line 206 | Line 215 | public class ExecutorsTest extends JSR16
215		assertTrue(f.isDone());
216		assertFalse(f.isCancelled());
217		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
209	–	} finally {
210	–	joinPool(p);
218		}
219		}
220
#	Line 215 | Line 222 | public class ExecutorsTest extends JSR16
222		* a newScheduledThreadPool successfully runs delayed task
223		*/
224		public void testNewScheduledThreadPool() throws Exception {
225	<	ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
226	<	try {
225	>	final ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
226	>	try (PoolCleaner cleaner = cleaner(p)) {
227		final CountDownLatch proceed = new CountDownLatch(1);
228		final Runnable task = new CheckedRunnable() {
229		public void realRun() {
#	Line 232 | Line 239 | public class ExecutorsTest extends JSR16
239		assertTrue(f.isDone());
240		assertFalse(f.isCancelled());
241		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
235	–	} finally {
236	–	joinPool(p);
242		}
243		}
244
#	Line 241 | Line 246 | public class ExecutorsTest extends JSR16
246		* an unconfigurable newScheduledThreadPool successfully runs delayed task
247		*/
248		public void testUnconfigurableScheduledExecutorService() throws Exception {
249	<	ScheduledExecutorService p =
249	>	final ScheduledExecutorService p =
250		Executors.unconfigurableScheduledExecutorService
251		(Executors.newScheduledThreadPool(2));
252	<	try {
252	>	try (PoolCleaner cleaner = cleaner(p)) {
253		final CountDownLatch proceed = new CountDownLatch(1);
254		final Runnable task = new CheckedRunnable() {
255		public void realRun() {
#	Line 260 | Line 265 | public class ExecutorsTest extends JSR16
265		assertTrue(f.isDone());
266		assertFalse(f.isCancelled());
267		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
263	–	} finally {
264	–	joinPool(p);
268		}
269		}
270
#	Line 276 | Line 279 | public class ExecutorsTest extends JSR16
279		Executors.newScheduledThreadPool(2),
280		};
281
282	<	final Runnable sleeper = new CheckedInterruptedRunnable() {
282	>	final Runnable sleeper = new CheckedRunnable() {
283		public void realRun() throws InterruptedException {
284	<	delay(LONG_DELAY_MS);
284	>	try {
285	>	delay(LONG_DELAY_MS);
286	>	} catch(InterruptedException OK) {
287	>	}
288		}};
289
290	<	List<Thread> threads = new ArrayList<Thread>();
290	>	List<Thread> threads = new ArrayList<>();
291		for (final ExecutorService executor : executors) {
292		threads.add(newStartedThread(new CheckedRunnable() {
293		public void realRun() {
#	Line 292 | Line 298 | public class ExecutorsTest extends JSR16
298		for (Thread thread : threads)
299		awaitTermination(thread);
300		for (ExecutorService executor : executors)
301	+	executor.shutdownNow(); // assumes shutdownNow interrupts threads
302	+	for (ExecutorService executor : executors)
303		joinPool(executor);
304		}
305
#	Line 306 | Line 314 | public class ExecutorsTest extends JSR16
314		public void realRun() {
315		try {
316		Thread current = Thread.currentThread();
317	<	assertTrue(!current.isDaemon());
317	>	assertFalse(current.isDaemon());
318		assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
311	–	ThreadGroup g = current.getThreadGroup();
319		SecurityManager s = System.getSecurityManager();
320	<	if (s != null)
321	<	assertTrue(g == s.getThreadGroup());
322	<	else
316	<	assertTrue(g == egroup);
317	<	String name = current.getName();
318	<	assertTrue(name.endsWith("thread-1"));
320	>	assertSame(current.getThreadGroup(),
321	>	(s == null) ? egroup : s.getThreadGroup());
322	>	assertTrue(current.getName().endsWith("thread-1"));
323		} catch (SecurityException ok) {
324		// Also pass if not allowed to change setting
325		}
326		done.countDown();
327		}};
328		ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
329	<
330	<	e.execute(r);
331	<	await(done);
328	<
329	<	try {
330	<	e.shutdown();
331	<	} catch (SecurityException ok) {
329	>	try (PoolCleaner cleaner = cleaner(e)) {
330	>	e.execute(r);
331	>	await(done);
332		}
333	–
334	–	joinPool(e);
333		}
334
335		/**
#	Line 349 | Line 347 | public class ExecutorsTest extends JSR16
347		Runnable r = new CheckedRunnable() {
348		public void realRun() {
349		Thread current = Thread.currentThread();
350	<	assertTrue(!current.isDaemon());
350	>	assertFalse(current.isDaemon());
351		assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
354	–	ThreadGroup g = current.getThreadGroup();
352		SecurityManager s = System.getSecurityManager();
353	<	if (s != null)
354	<	assertTrue(g == s.getThreadGroup());
355	<	else
359	<	assertTrue(g == egroup);
360	<	String name = current.getName();
361	<	assertTrue(name.endsWith("thread-1"));
353	>	assertSame(current.getThreadGroup(),
354	>	(s == null) ? egroup : s.getThreadGroup());
355	>	assertTrue(current.getName().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	<	await(done);
363	<	e.shutdown();
364	<	joinPool(e);
361	>	try (PoolCleaner cleaner = cleaner(e)) {
362	>	e.execute(r);
363	>	await(done);
364	>	}
365		}};
366
367		runWithPermissions(r,
#	Line 564 | Line 558 | public class ExecutorsTest extends JSR16
558		*/
559		public void testCallableNPE1() {
560		try {
561	<	Callable c = Executors.callable((Runnable) null);
561	>	Callable unused = Executors.callable((Runnable) null);
562		shouldThrow();
563		} catch (NullPointerException success) {}
564		}
#	Line 574 | Line 568 | public class ExecutorsTest extends JSR16
568		*/
569		public void testCallableNPE2() {
570		try {
571	<	Callable c = Executors.callable((Runnable) null, one);
571	>	Callable unused = Executors.callable((Runnable) null, one);
572		shouldThrow();
573		} catch (NullPointerException success) {}
574		}
#	Line 584 | Line 578 | public class ExecutorsTest extends JSR16
578		*/
579		public void testCallableNPE3() {
580		try {
581	<	Callable c = Executors.callable((PrivilegedAction) null);
581	>	Callable unused = Executors.callable((PrivilegedAction) null);
582		shouldThrow();
583		} catch (NullPointerException success) {}
584		}
#	Line 594 | Line 588 | public class ExecutorsTest extends JSR16
588		*/
589		public void testCallableNPE4() {
590		try {
591	<	Callable c = Executors.callable((PrivilegedExceptionAction) null);
591	>	Callable unused = Executors.callable((PrivilegedExceptionAction) null);
592		shouldThrow();
593		} catch (NullPointerException success) {}
594		}
595
596	+	/**
597	+	* callable(runnable, x).toString() contains toString of wrapped task
598	+	*/
599	+	public void testCallable_withResult_toString() {
600	+	if (testImplementationDetails) {
601	+	Runnable r = () -> {};
602	+	Callable<String> c = Executors.callable(r, "");
603	+	assertEquals(
604	+	identityString(c) + "[Wrapped task = " + r.toString() + "]",
605	+	c.toString());
606	+	}
607	+	}
608	+
609	+	/**
610	+	* callable(runnable).toString() contains toString of wrapped task
611	+	*/
612	+	public void testCallable_toString() {
613	+	if (testImplementationDetails) {
614	+	Runnable r = () -> {};
615	+	Callable<Object> c = Executors.callable(r);
616	+	assertEquals(
617	+	identityString(c) + "[Wrapped task = " + r.toString() + "]",
618	+	c.toString());
619	+	}
620	+	}
621	+
622	+	/**
623	+	* privilegedCallable(callable).toString() contains toString of wrapped task
624	+	*/
625	+	public void testPrivilegedCallable_toString() {
626	+	if (testImplementationDetails) {
627	+	Callable<String> c = () -> "";
628	+	Callable<String> priv = Executors.privilegedCallable(c);
629	+	assertEquals(
630	+	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
631	+	priv.toString());
632	+	}
633	+	}
634	+
635	+	/**
636	+	* privilegedCallableUsingCurrentClassLoader(callable).toString()
637	+	* contains toString of wrapped task
638	+	*/
639	+	public void testPrivilegedCallableUsingCurrentClassLoader_toString() {
640	+	if (testImplementationDetails) {
641	+	Callable<String> c = () -> "";
642	+	Callable<String> priv = Executors.privilegedCallableUsingCurrentClassLoader(c);
643	+	assertEquals(
644	+	identityString(priv) + "[Wrapped task = " + c.toString() + "]",
645	+	priv.toString());
646	+	}
647	+	}
648		}

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