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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.10 by tim, Wed Dec 10 01:51:12 2003 UTC vs.
Revision 1.24 by jsr166, Fri Nov 20 22:58:48 2009 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/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9
#	Line 12 | Line 13 | import java.util.concurrent.*;
13		import java.math.BigInteger;
14		import java.security.*;
15
16	<	public class ExecutorsTest extends JSR166TestCase{
16	>	public class ExecutorsTest extends JSR166TestCase {
17		public static void main(String[] args) {
18	<	junit.textui.TestRunner.run (suite());
18	>	junit.textui.TestRunner.run (suite());
19		}
20		public static Test suite() {
21		return new TestSuite(ExecutorsTest.class);
#	Line 24 | Line 25 | public class ExecutorsTest extends JSR16
25		private final ExecutorService exec;
26		private final Callable<T> func;
27		private final long msecs;
28	<
28	>
29		TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
30		this.exec = exec;
31		this.func = func;
32		this.msecs = msecs;
33		}
34	<
34	>
35		public T call() throws Exception {
36		Future<T> ftask = exec.submit(func);
37		try {
#	Line 68 | Line 69 | public class ExecutorsTest extends JSR16
69		e.execute(new NoOpRunnable());
70		e.execute(new NoOpRunnable());
71		e.execute(new NoOpRunnable());
72	<	e.shutdown();
72	>	joinPool(e);
73		}
74
75		/**
#	Line 79 | Line 80 | public class ExecutorsTest extends JSR16
80		e.execute(new NoOpRunnable());
81		e.execute(new NoOpRunnable());
82		e.execute(new NoOpRunnable());
83	<	e.shutdown();
83	>	joinPool(e);
84		}
85
86		/**
#	Line 89 | Line 90 | public class ExecutorsTest extends JSR16
90		try {
91		ExecutorService e = Executors.newCachedThreadPool(null);
92		shouldThrow();
93	<	}
93	<	catch(NullPointerException success) {
94	<	}
93	>	} catch (NullPointerException success) {}
94		}
95
96
#	Line 103 | Line 102 | public class ExecutorsTest extends JSR16
102		e.execute(new NoOpRunnable());
103		e.execute(new NoOpRunnable());
104		e.execute(new NoOpRunnable());
105	<	e.shutdown();
105	>	joinPool(e);
106		}
107
108		/**
#	Line 114 | Line 113 | public class ExecutorsTest extends JSR16
113		e.execute(new NoOpRunnable());
114		e.execute(new NoOpRunnable());
115		e.execute(new NoOpRunnable());
116	<	e.shutdown();
116	>	joinPool(e);
117		}
118
119		/**
#	Line 124 | Line 123 | public class ExecutorsTest extends JSR16
123		try {
124		ExecutorService e = Executors.newSingleThreadExecutor(null);
125		shouldThrow();
126	<	}
127	<	catch(NullPointerException success) {
126	>	} catch (NullPointerException success) {}
127	>	}
128	>
129	>	/**
130	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
131	>	*/
132	>	public void testCastNewSingleThreadExecutor() {
133	>	ExecutorService e = Executors.newSingleThreadExecutor();
134	>	try {
135	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
136	>	shouldThrow();
137	>	} catch (ClassCastException success) {
138	>	} finally {
139	>	joinPool(e);
140		}
141		}
142
143	+
144		/**
145		* A new newFixedThreadPool can execute runnables
146		*/
#	Line 137 | Line 149 | public class ExecutorsTest extends JSR16
149		e.execute(new NoOpRunnable());
150		e.execute(new NoOpRunnable());
151		e.execute(new NoOpRunnable());
152	<	e.shutdown();
152	>	joinPool(e);
153		}
154
155		/**
#	Line 148 | Line 160 | public class ExecutorsTest extends JSR16
160		e.execute(new NoOpRunnable());
161		e.execute(new NoOpRunnable());
162		e.execute(new NoOpRunnable());
163	<	e.shutdown();
163	>	joinPool(e);
164		}
165
166		/**
#	Line 158 | Line 170 | public class ExecutorsTest extends JSR16
170		try {
171		ExecutorService e = Executors.newFixedThreadPool(2, null);
172		shouldThrow();
173	<	}
162	<	catch(NullPointerException success) {
163	<	}
173	>	} catch (NullPointerException success) {}
174		}
175
176		/**
#	Line 170 | Line 180 | public class ExecutorsTest extends JSR16
180		try {
181		ExecutorService e = Executors.newFixedThreadPool(0);
182		shouldThrow();
183	<	}
184	<	catch(IllegalArgumentException success) {
185	<	}
183	>	} catch (IllegalArgumentException success) {}
184	>	}
185	>
186	>
187	>	/**
188	>	* An unconfigurable newFixedThreadPool can execute runnables
189	>	*/
190	>	public void testunconfigurableExecutorService() {
191	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
192	>	e.execute(new NoOpRunnable());
193	>	e.execute(new NoOpRunnable());
194	>	e.execute(new NoOpRunnable());
195	>	joinPool(e);
196	>	}
197	>
198	>	/**
199	>	* unconfigurableExecutorService(null) throws NPE
200	>	*/
201	>	public void testunconfigurableExecutorServiceNPE() {
202	>	try {
203	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
204	>	shouldThrow();
205	>	} catch (NullPointerException success) {}
206	>	}
207	>
208	>	/**
209	>	* unconfigurableScheduledExecutorService(null) throws NPE
210	>	*/
211	>	public void testunconfigurableScheduledExecutorServiceNPE() {
212	>	try {
213	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
214	>	shouldThrow();
215	>	} catch (NullPointerException success) {}
216	>	}
217	>
218	>
219	>	/**
220	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
221	>	*/
222	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
223	>	TrackedCallable callable = new TrackedCallable();
224	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
225	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
226	>	assertFalse(callable.done);
227	>	Thread.sleep(MEDIUM_DELAY_MS);
228	>	assertTrue(callable.done);
229	>	assertEquals(Boolean.TRUE, f.get());
230	>	joinPool(p1);
231	>	}
232	>
233	>	/**
234	>	* a newScheduledThreadPool successfully runs delayed task
235	>	*/
236	>	public void testnewScheduledThreadPool() throws Exception {
237	>	TrackedCallable callable = new TrackedCallable();
238	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
239	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
240	>	assertFalse(callable.done);
241	>	Thread.sleep(MEDIUM_DELAY_MS);
242	>	assertTrue(callable.done);
243	>	assertEquals(Boolean.TRUE, f.get());
244	>	joinPool(p1);
245		}
246
247	+	/**
248	+	* an unconfigurable newScheduledThreadPool successfully runs delayed task
249	+	*/
250	+	public void testunconfigurableScheduledExecutorService() throws Exception {
251	+	TrackedCallable callable = new TrackedCallable();
252	+	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
253	+	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
254	+	assertFalse(callable.done);
255	+	Thread.sleep(MEDIUM_DELAY_MS);
256	+	assertTrue(callable.done);
257	+	assertEquals(Boolean.TRUE, f.get());
258	+	joinPool(p1);
259	+	}
260
261		/**
262		*  timeouts from execute will time out if they compute too long.
263		*/
264	<	public void testTimedCallable() {
264	>	public void testTimedCallable() throws Exception {
265		int N = 10000;
266		ExecutorService executor = Executors.newSingleThreadExecutor();
267		List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
268		try {
269		long startTime = System.currentTimeMillis();
270	<
270	>
271		long i = 0;
272		while (tasks.size() < N) {
273		tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
274		i += 10;
275		}
276	<
276	>
277		int iters = 0;
278		BigInteger sum = BigInteger.ZERO;
279		for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
#	Line 203 | Line 285 | public class ExecutorsTest extends JSR16
285		assertTrue(iters > 0);
286		return;
287		}
206	–	catch (Exception e) {
207	–	unexpectedException();
208	–	}
288		}
289		// if by chance we didn't ever time out, total time must be small
290		long elapsed = System.currentTimeMillis() - startTime;
#	Line 216 | Line 295 | public class ExecutorsTest extends JSR16
295		}
296		}
297
298	<
298	>
299		/**
300		* ThreadPoolExecutor using defaultThreadFactory has
301		* specified group, priority, daemon status, and name
302		*/
303	<	public void testDefaultThreadFactory() {
303	>	public void testDefaultThreadFactory() throws Exception {
304		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
305		Runnable r = new Runnable() {
306		public void run() {
307	<	Thread current = Thread.currentThread();
308	<	threadAssertTrue(!current.isDaemon());
309	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
310	<	ThreadGroup g = current.getThreadGroup();
311	<	SecurityManager s = System.getSecurityManager();
312	<	if (s != null)
313	<	threadAssertTrue(g == s.getThreadGroup());
314	<	else
315	<	threadAssertTrue(g == egroup);
316	<	String name = current.getName();
317	<	threadAssertTrue(name.endsWith("thread-1"));
307	>	try {
308	>	Thread current = Thread.currentThread();
309	>	threadAssertTrue(!current.isDaemon());
310	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
311	>	ThreadGroup g = current.getThreadGroup();
312	>	SecurityManager s = System.getSecurityManager();
313	>	if (s != null)
314	>	threadAssertTrue(g == s.getThreadGroup());
315	>	else
316	>	threadAssertTrue(g == egroup);
317	>	String name = current.getName();
318	>	threadAssertTrue(name.endsWith("thread-1"));
319	>	} catch (SecurityException ok) {
320	>	// Also pass if not allowed to change setting
321	>	}
322		}
323		};
324		ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
325	<
325	>
326		e.execute(r);
327	<	e.shutdown();
327	>	try {
328	>	e.shutdown();
329	>	} catch (SecurityException ok) {
330	>	}
331	>
332		try {
333		Thread.sleep(SHORT_DELAY_MS);
247	–	} catch (Exception eX) {
248	–	unexpectedException();
334		} finally {
335		joinPool(e);
336		}
#	Line 256 | Line 341 | public class ExecutorsTest extends JSR16
341		* specified group, priority, daemon status, name,
342		* access control context and context class loader
343		*/
344	<	public void testPrivilegedThreadFactory() {
345	<	Policy savedPolicy = Policy.getPolicy();
346	<	AdjustablePolicy policy = new AdjustablePolicy();
347	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
348	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
349	<	Policy.setPolicy(policy);
344	>	public void testPrivilegedThreadFactory() throws Exception {
345	>	Policy savedPolicy = null;
346	>	try {
347	>	savedPolicy = Policy.getPolicy();
348	>	AdjustablePolicy policy = new AdjustablePolicy();
349	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
350	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
351	>	Policy.setPolicy(policy);
352	>	} catch (AccessControlException ok) {
353	>	return;
354	>	}
355		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
356		final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
357		final AccessControlContext thisacc = AccessController.getContext();
358		Runnable r = new Runnable() {
359		public void run() {
360	<	Thread current = Thread.currentThread();
361	<	threadAssertTrue(!current.isDaemon());
362	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
363	<	ThreadGroup g = current.getThreadGroup();
364	<	SecurityManager s = System.getSecurityManager();
365	<	if (s != null)
366	<	threadAssertTrue(g == s.getThreadGroup());
367	<	else
368	<	threadAssertTrue(g == egroup);
369	<	String name = current.getName();
370	<	threadAssertTrue(name.endsWith("thread-1"));
371	<	threadAssertTrue(thisccl == current.getContextClassLoader());
372	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
360	>	try {
361	>	Thread current = Thread.currentThread();
362	>	threadAssertTrue(!current.isDaemon());
363	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
364	>	ThreadGroup g = current.getThreadGroup();
365	>	SecurityManager s = System.getSecurityManager();
366	>	if (s != null)
367	>	threadAssertTrue(g == s.getThreadGroup());
368	>	else
369	>	threadAssertTrue(g == egroup);
370	>	String name = current.getName();
371	>	threadAssertTrue(name.endsWith("thread-1"));
372	>	threadAssertTrue(thisccl == current.getContextClassLoader());
373	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
374	>	} catch (SecurityException ok) {
375	>	// Also pass if not allowed to change settings
376	>	}
377		}
378		};
379		ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
380	<
380	>
381		Policy.setPolicy(savedPolicy);
382		e.execute(r);
383	<	e.shutdown();
383	>	try {
384	>	e.shutdown();
385	>	} catch (SecurityException ok) {
386	>	}
387		try {
388		Thread.sleep(SHORT_DELAY_MS);
292	–	} catch (Exception ex) {
293	–	unexpectedException();
389		} finally {
390		joinPool(e);
391		}
392
393		}
394
395	+	void checkCCL() {
396	+	SecurityManager sm = System.getSecurityManager();
397	+	if (sm != null) {
398	+	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
399	+	sm.checkPermission(new RuntimePermission("getClassLoader"));
400	+	}
401	+	}
402	+
403	+	class CheckCCL implements Callable<Object> {
404	+	public Object call() {
405	+	checkCCL();
406	+	return null;
407	+	}
408	+	}
409	+
410	+
411	+	/**
412	+	* Without class loader permissions, creating
413	+	* privilegedCallableUsingCurrentClassLoader throws ACE
414	+	*/
415	+	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
416	+	Policy savedPolicy = null;
417	+	try {
418	+	savedPolicy = Policy.getPolicy();
419	+	AdjustablePolicy policy = new AdjustablePolicy();
420	+	Policy.setPolicy(policy);
421	+	} catch (AccessControlException ok) {
422	+	return;
423	+	}
424	+
425	+	// Check if program still has too many permissions to run test
426	+	try {
427	+	checkCCL();
428	+	// too many privileges to test; so return
429	+	Policy.setPolicy(savedPolicy);
430	+	return;
431	+	} catch (AccessControlException ok) {
432	+	}
433	+
434	+	try {
435	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
436	+	shouldThrow();
437	+	} catch (AccessControlException success) {
438	+	} finally {
439	+	Policy.setPolicy(savedPolicy);
440	+	}
441	+	}
442	+
443	+	/**
444	+	* With class loader permissions, calling
445	+	* privilegedCallableUsingCurrentClassLoader does not throw ACE
446	+	*/
447	+	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
448	+	Policy savedPolicy = null;
449	+	try {
450	+	savedPolicy = Policy.getPolicy();
451	+	AdjustablePolicy policy = new AdjustablePolicy();
452	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
453	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
454	+	Policy.setPolicy(policy);
455	+	} catch (AccessControlException ok) {
456	+	return;
457	+	}
458	+
459	+	try {
460	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
461	+	task.call();
462	+	}
463	+	finally {
464	+	Policy.setPolicy(savedPolicy);
465	+	}
466	+	}
467	+
468	+	/**
469	+	* Without permissions, calling privilegedCallable throws ACE
470	+	*/
471	+	public void testprivilegedCallableWithNoPrivs() throws Exception {
472	+	Callable task;
473	+	Policy savedPolicy = null;
474	+	AdjustablePolicy policy = null;
475	+	AccessControlContext noprivAcc = null;
476	+	try {
477	+	savedPolicy = Policy.getPolicy();
478	+	policy = new AdjustablePolicy();
479	+	Policy.setPolicy(policy);
480	+	noprivAcc = AccessController.getContext();
481	+	task = Executors.privilegedCallable(new CheckCCL());
482	+	Policy.setPolicy(savedPolicy);
483	+	} catch (AccessControlException ok) {
484	+	return; // program has too few permissions to set up test
485	+	}
486	+
487	+	// Make sure that program doesn't have too many permissions
488	+	try {
489	+	AccessController.doPrivileged(new PrivilegedAction() {
490	+	public Object run() {
491	+	checkCCL();
492	+	return null;
493	+	}}, noprivAcc);
494	+	// too many permssions; skip test
495	+	return;
496	+	} catch (AccessControlException ok) {
497	+	}
498	+
499	+	try {
500	+	task.call();
501	+	shouldThrow();
502	+	} catch (AccessControlException success) {}
503	+	}
504	+
505	+	/**
506	+	* With permissions, calling privilegedCallable succeeds
507	+	*/
508	+	public void testprivilegedCallableWithPrivs() throws Exception {
509	+	Policy savedPolicy = null;
510	+	try {
511	+	savedPolicy = Policy.getPolicy();
512	+	AdjustablePolicy policy = new AdjustablePolicy();
513	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
514	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
515	+	Policy.setPolicy(policy);
516	+	} catch (AccessControlException ok) {
517	+	return;
518	+	}
519	+
520	+	Callable task = Executors.privilegedCallable(new CheckCCL());
521	+	try {
522	+	task.call();
523	+	} finally {
524	+	Policy.setPolicy(savedPolicy);
525	+	}
526	+	}
527	+
528	+	/**
529	+	* callable(Runnable) returns null when called
530	+	*/
531	+	public void testCallable1() throws Exception {
532	+	Callable c = Executors.callable(new NoOpRunnable());
533	+	assertNull(c.call());
534	+	}
535	+
536	+	/**
537	+	* callable(Runnable, result) returns result when called
538	+	*/
539	+	public void testCallable2() throws Exception {
540	+	Callable c = Executors.callable(new NoOpRunnable(), one);
541	+	assertEquals(one, c.call());
542	+	}
543	+
544	+	/**
545	+	* callable(PrivilegedAction) returns its result when called
546	+	*/
547	+	public void testCallable3() throws Exception {
548	+	Callable c = Executors.callable(new PrivilegedAction() {
549	+	public Object run() { return one; }});
550	+	assertEquals(one, c.call());
551	+	}
552	+
553	+	/**
554	+	* callable(PrivilegedExceptionAction) returns its result when called
555	+	*/
556	+	public void testCallable4() throws Exception {
557	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
558	+	public Object run() { return one; }});
559	+	assertEquals(one, c.call());
560	+	}
561	+
562	+
563	+	/**
564	+	* callable(null Runnable) throws NPE
565	+	*/
566	+	public void testCallableNPE1() {
567	+	try {
568	+	Callable c = Executors.callable((Runnable) null);
569	+	shouldThrow();
570	+	} catch (NullPointerException success) {}
571	+	}
572	+
573	+	/**
574	+	* callable(null, result) throws NPE
575	+	*/
576	+	public void testCallableNPE2() {
577	+	try {
578	+	Callable c = Executors.callable((Runnable) null, one);
579	+	shouldThrow();
580	+	} catch (NullPointerException success) {}
581	+	}
582	+
583	+	/**
584	+	* callable(null PrivilegedAction) throws NPE
585	+	*/
586	+	public void testCallableNPE3() {
587	+	try {
588	+	Callable c = Executors.callable((PrivilegedAction) null);
589	+	shouldThrow();
590	+	} catch (NullPointerException success) {}
591	+	}
592	+
593	+	/**
594	+	* callable(null PrivilegedExceptionAction) throws NPE
595	+	*/
596	+	public void testCallableNPE4() {
597	+	try {
598	+	Callable c = Executors.callable((PrivilegedExceptionAction) null);
599	+	shouldThrow();
600	+	} catch (NullPointerException success) {}
601	+	}
602	+
603	+
604		}

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