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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 1.21 by jsr166, Mon Nov 16 04:57:10 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 14 | Line 15 | import java.security.*;
15
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 90 | Line 91 | public class ExecutorsTest extends JSR16
91		ExecutorService e = Executors.newCachedThreadPool(null);
92		shouldThrow();
93		}
94	<	catch(NullPointerException success) {
94	>	catch (NullPointerException success) {
95		}
96		}
97
#	Line 103 | Line 104 | public class ExecutorsTest extends JSR16
104		e.execute(new NoOpRunnable());
105		e.execute(new NoOpRunnable());
106		e.execute(new NoOpRunnable());
107	<	e.shutdown();
107	>	joinPool(e);
108		}
109
110		/**
#	Line 114 | Line 115 | public class ExecutorsTest extends JSR16
115		e.execute(new NoOpRunnable());
116		e.execute(new NoOpRunnable());
117		e.execute(new NoOpRunnable());
118	<	e.shutdown();
118	>	joinPool(e);
119		}
120
121		/**
#	Line 125 | Line 126 | public class ExecutorsTest extends JSR16
126		ExecutorService e = Executors.newSingleThreadExecutor(null);
127		shouldThrow();
128		}
129	<	catch(NullPointerException success) {
129	>	catch (NullPointerException success) {
130	>	}
131	>	}
132	>
133	>	/**
134	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
135	>	*/
136	>	public void testCastNewSingleThreadExecutor() {
137	>	ExecutorService e = Executors.newSingleThreadExecutor();
138	>	try {
139	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
140	>	} catch (ClassCastException success) {
141	>	} finally {
142	>	joinPool(e);
143		}
144		}
145
146	+
147		/**
148		* A new newFixedThreadPool can execute runnables
149		*/
#	Line 137 | Line 152 | public class ExecutorsTest extends JSR16
152		e.execute(new NoOpRunnable());
153		e.execute(new NoOpRunnable());
154		e.execute(new NoOpRunnable());
155	<	e.shutdown();
155	>	joinPool(e);
156		}
157
158		/**
#	Line 148 | Line 163 | public class ExecutorsTest extends JSR16
163		e.execute(new NoOpRunnable());
164		e.execute(new NoOpRunnable());
165		e.execute(new NoOpRunnable());
166	<	e.shutdown();
166	>	joinPool(e);
167		}
168
169		/**
#	Line 159 | Line 174 | public class ExecutorsTest extends JSR16
174		ExecutorService e = Executors.newFixedThreadPool(2, null);
175		shouldThrow();
176		}
177	<	catch(NullPointerException success) {
177	>	catch (NullPointerException success) {
178		}
179		}
180
#	Line 171 | Line 186 | public class ExecutorsTest extends JSR16
186		ExecutorService e = Executors.newFixedThreadPool(0);
187		shouldThrow();
188		}
189	<	catch(IllegalArgumentException success) {
189	>	catch (IllegalArgumentException success) {
190	>	}
191	>	}
192	>
193	>
194	>	/**
195	>	* An unconfigurable newFixedThreadPool can execute runnables
196	>	*/
197	>	public void testunconfigurableExecutorService() {
198	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
199	>	e.execute(new NoOpRunnable());
200	>	e.execute(new NoOpRunnable());
201	>	e.execute(new NoOpRunnable());
202	>	joinPool(e);
203	>	}
204	>
205	>	/**
206	>	* unconfigurableExecutorService(null) throws NPE
207	>	*/
208	>	public void testunconfigurableExecutorServiceNPE() {
209	>	try {
210	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
211	>	}
212	>	catch (NullPointerException success) {
213	>	}
214	>	}
215	>
216	>	/**
217	>	* unconfigurableScheduledExecutorService(null) throws NPE
218	>	*/
219	>	public void testunconfigurableScheduledExecutorServiceNPE() {
220	>	try {
221	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
222	>	}
223	>	catch (NullPointerException success) {
224	>	}
225	>	}
226	>
227	>
228	>	/**
229	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
230	>	*/
231	>	public void testNewSingleThreadScheduledExecutor() {
232	>	try {
233	>	TrackedCallable callable = new TrackedCallable();
234	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
235	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
236	>	assertFalse(callable.done);
237	>	Thread.sleep(MEDIUM_DELAY_MS);
238	>	assertTrue(callable.done);
239	>	assertEquals(Boolean.TRUE, f.get());
240	>	joinPool(p1);
241	>	} catch (RejectedExecutionException e){}
242	>	catch (Exception e){
243	>	e.printStackTrace();
244	>	unexpectedException();
245	>	}
246	>	}
247	>
248	>	/**
249	>	* a newScheduledThreadPool successfully runs delayed task
250	>	*/
251	>	public void testnewScheduledThreadPool() {
252	>	try {
253	>	TrackedCallable callable = new TrackedCallable();
254	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
255	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
256	>	assertFalse(callable.done);
257	>	Thread.sleep(MEDIUM_DELAY_MS);
258	>	assertTrue(callable.done);
259	>	assertEquals(Boolean.TRUE, f.get());
260	>	joinPool(p1);
261	>	} catch (RejectedExecutionException e){}
262	>	catch (Exception e){
263	>	e.printStackTrace();
264	>	unexpectedException();
265		}
266		}
267
268	+	/**
269	+	* an unconfigurable  newScheduledThreadPool successfully runs delayed task
270	+	*/
271	+	public void testunconfigurableScheduledExecutorService() {
272	+	try {
273	+	TrackedCallable callable = new TrackedCallable();
274	+	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
275	+	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
276	+	assertFalse(callable.done);
277	+	Thread.sleep(MEDIUM_DELAY_MS);
278	+	assertTrue(callable.done);
279	+	assertEquals(Boolean.TRUE, f.get());
280	+	joinPool(p1);
281	+	} catch (RejectedExecutionException e){}
282	+	catch (Exception e){
283	+	e.printStackTrace();
284	+	unexpectedException();
285	+	}
286	+	}
287
288		/**
289		*  timeouts from execute will time out if they compute too long.
#	Line 185 | Line 294 | public class ExecutorsTest extends JSR16
294		List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
295		try {
296		long startTime = System.currentTimeMillis();
297	<
297	>
298		long i = 0;
299		while (tasks.size() < N) {
300		tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
301		i += 10;
302		}
303	<
303	>
304		int iters = 0;
305		BigInteger sum = BigInteger.ZERO;
306		for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
#	Line 216 | Line 325 | public class ExecutorsTest extends JSR16
325		}
326		}
327
328	<
328	>
329		/**
330		* ThreadPoolExecutor using defaultThreadFactory has
331		* specified group, priority, daemon status, and name
#	Line 225 | Line 334 | public class ExecutorsTest extends JSR16
334		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
335		Runnable r = new Runnable() {
336		public void run() {
337	<	Thread current = Thread.currentThread();
338	<	threadAssertTrue(!current.isDaemon());
339	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
340	<	ThreadGroup g = current.getThreadGroup();
341	<	SecurityManager s = System.getSecurityManager();
342	<	if (s != null)
343	<	threadAssertTrue(g == s.getThreadGroup());
344	<	else
345	<	threadAssertTrue(g == egroup);
346	<	String name = current.getName();
347	<	threadAssertTrue(name.endsWith("thread-1"));
337	>	try {
338	>	Thread current = Thread.currentThread();
339	>	threadAssertTrue(!current.isDaemon());
340	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
341	>	ThreadGroup g = current.getThreadGroup();
342	>	SecurityManager s = System.getSecurityManager();
343	>	if (s != null)
344	>	threadAssertTrue(g == s.getThreadGroup());
345	>	else
346	>	threadAssertTrue(g == egroup);
347	>	String name = current.getName();
348	>	threadAssertTrue(name.endsWith("thread-1"));
349	>	} catch (SecurityException ok) {
350	>	// Also pass if not allowed to change setting
351	>	}
352		}
353		};
354		ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
355	<
355	>
356		e.execute(r);
357	<	e.shutdown();
357	>	try {
358	>	e.shutdown();
359	>	} catch (SecurityException ok) {
360	>	}
361	>
362		try {
363		Thread.sleep(SHORT_DELAY_MS);
364		} catch (Exception eX) {
#	Line 257 | Line 374 | public class ExecutorsTest extends JSR16
374		* access control context and context class loader
375		*/
376		public void testPrivilegedThreadFactory() {
377	<	Policy savedPolicy = Policy.getPolicy();
378	<	AdjustablePolicy policy = new AdjustablePolicy();
379	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
380	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
381	<	Policy.setPolicy(policy);
377	>	Policy savedPolicy = null;
378	>	try {
379	>	savedPolicy = Policy.getPolicy();
380	>	AdjustablePolicy policy = new AdjustablePolicy();
381	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
382	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
383	>	Policy.setPolicy(policy);
384	>	} catch (AccessControlException ok) {
385	>	return;
386	>	}
387		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
388		final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
389		final AccessControlContext thisacc = AccessController.getContext();
390		Runnable r = new Runnable() {
391		public void run() {
392	<	Thread current = Thread.currentThread();
393	<	threadAssertTrue(!current.isDaemon());
394	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
395	<	ThreadGroup g = current.getThreadGroup();
396	<	SecurityManager s = System.getSecurityManager();
397	<	if (s != null)
398	<	threadAssertTrue(g == s.getThreadGroup());
399	<	else
400	<	threadAssertTrue(g == egroup);
401	<	String name = current.getName();
402	<	threadAssertTrue(name.endsWith("thread-1"));
403	<	threadAssertTrue(thisccl == current.getContextClassLoader());
404	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
392	>	try {
393	>	Thread current = Thread.currentThread();
394	>	threadAssertTrue(!current.isDaemon());
395	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
396	>	ThreadGroup g = current.getThreadGroup();
397	>	SecurityManager s = System.getSecurityManager();
398	>	if (s != null)
399	>	threadAssertTrue(g == s.getThreadGroup());
400	>	else
401	>	threadAssertTrue(g == egroup);
402	>	String name = current.getName();
403	>	threadAssertTrue(name.endsWith("thread-1"));
404	>	threadAssertTrue(thisccl == current.getContextClassLoader());
405	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
406	>	} catch (SecurityException ok) {
407	>	// Also pass if not allowed to change settings
408	>	}
409		}
410		};
411		ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
412	<
412	>
413		Policy.setPolicy(savedPolicy);
414		e.execute(r);
415	<	e.shutdown();
415	>	try {
416	>	e.shutdown();
417	>	} catch (SecurityException ok) {
418	>	}
419		try {
420		Thread.sleep(SHORT_DELAY_MS);
421		} catch (Exception ex) {
#	Line 297 | Line 426 | public class ExecutorsTest extends JSR16
426
427		}
428
429	+	void checkCCL() {
430	+	SecurityManager sm = System.getSecurityManager();
431	+	if (sm != null) {
432	+	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
433	+	sm.checkPermission(new RuntimePermission("getClassLoader"));
434	+	}
435	+	}
436	+
437	+	class CheckCCL implements Callable<Object> {
438	+	public Object call() {
439	+	checkCCL();
440	+	return null;
441	+	}
442	+	}
443	+
444	+
445	+	/**
446	+	* Without class loader permissions, creating
447	+	* privilegedCallableUsingCurrentClassLoader throws ACE
448	+	*/
449	+	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
450	+	Policy savedPolicy = null;
451	+	try {
452	+	savedPolicy = Policy.getPolicy();
453	+	AdjustablePolicy policy = new AdjustablePolicy();
454	+	Policy.setPolicy(policy);
455	+	} catch (AccessControlException ok) {
456	+	return;
457	+	}
458	+
459	+	// Check if program still has too many permissions to run test
460	+	try {
461	+	checkCCL();
462	+	// too many privileges to test; so return
463	+	Policy.setPolicy(savedPolicy);
464	+	return;
465	+	} catch (AccessControlException ok) {
466	+	}
467	+
468	+	try {
469	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
470	+	shouldThrow();
471	+	} catch (AccessControlException success) {
472	+	} catch (Exception ex) {
473	+	unexpectedException();
474	+	}
475	+	finally {
476	+	Policy.setPolicy(savedPolicy);
477	+	}
478	+	}
479	+
480	+	/**
481	+	* With class loader permissions, calling
482	+	* privilegedCallableUsingCurrentClassLoader does not throw ACE
483	+	*/
484	+	public void testprivilegedCallableUsingCCLWithPrivs() {
485	+	Policy savedPolicy = null;
486	+	try {
487	+	savedPolicy = Policy.getPolicy();
488	+	AdjustablePolicy policy = new AdjustablePolicy();
489	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
490	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
491	+	Policy.setPolicy(policy);
492	+	} catch (AccessControlException ok) {
493	+	return;
494	+	}
495	+
496	+	try {
497	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
498	+	task.call();
499	+	} catch (Exception ex) {
500	+	unexpectedException();
501	+	}
502	+	finally {
503	+	Policy.setPolicy(savedPolicy);
504	+	}
505	+	}
506	+
507	+	/**
508	+	* Without permissions, calling privilegedCallable throws ACE
509	+	*/
510	+	public void testprivilegedCallableWithNoPrivs() {
511	+	Callable task;
512	+	Policy savedPolicy = null;
513	+	AdjustablePolicy policy = null;
514	+	AccessControlContext noprivAcc = null;
515	+	try {
516	+	savedPolicy = Policy.getPolicy();
517	+	policy = new AdjustablePolicy();
518	+	Policy.setPolicy(policy);
519	+	noprivAcc = AccessController.getContext();
520	+	task = Executors.privilegedCallable(new CheckCCL());
521	+	Policy.setPolicy(savedPolicy);
522	+	} catch (AccessControlException ok) {
523	+	return; // program has too few permissions to set up test
524	+	}
525	+
526	+	// Make sure that program doesn't have too many permissions
527	+	try {
528	+	AccessController.doPrivileged(new PrivilegedAction() {
529	+	public Object run() {
530	+	checkCCL();
531	+	return null;
532	+	}}, noprivAcc);
533	+	// too many permssions; skip test
534	+	return;
535	+	} catch (AccessControlException ok) {
536	+	}
537	+
538	+	try {
539	+	task.call();
540	+	shouldThrow();
541	+	} catch (AccessControlException success) {
542	+	} catch (Exception ex) {
543	+	unexpectedException();
544	+	}
545	+	}
546	+
547	+	/**
548	+	* With permissions, calling privilegedCallable succeeds
549	+	*/
550	+	public void testprivilegedCallableWithPrivs() {
551	+	Policy savedPolicy = null;
552	+	try {
553	+	savedPolicy = Policy.getPolicy();
554	+	AdjustablePolicy policy = new AdjustablePolicy();
555	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
556	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
557	+	Policy.setPolicy(policy);
558	+	} catch (AccessControlException ok) {
559	+	return;
560	+	}
561	+
562	+	Callable task = Executors.privilegedCallable(new CheckCCL());
563	+	try {
564	+	task.call();
565	+	} catch (Exception ex) {
566	+	unexpectedException();
567	+	} finally {
568	+	Policy.setPolicy(savedPolicy);
569	+	}
570	+	}
571	+
572	+	/**
573	+	* callable(Runnable) returns null when called
574	+	*/
575	+	public void testCallable1() {
576	+	try {
577	+	Callable c = Executors.callable(new NoOpRunnable());
578	+	assertNull(c.call());
579	+	} catch (Exception ex) {
580	+	unexpectedException();
581	+	}
582	+
583	+	}
584	+
585	+	/**
586	+	* callable(Runnable, result) returns result when called
587	+	*/
588	+	public void testCallable2() {
589	+	try {
590	+	Callable c = Executors.callable(new NoOpRunnable(), one);
591	+	assertEquals(one, c.call());
592	+	} catch (Exception ex) {
593	+	unexpectedException();
594	+	}
595	+	}
596	+
597	+	/**
598	+	* callable(PrivilegedAction) returns its result when called
599	+	*/
600	+	public void testCallable3() {
601	+	try {
602	+	Callable c = Executors.callable(new PrivilegedAction() {
603	+	public Object run() { return one; }});
604	+	assertEquals(one, c.call());
605	+	} catch (Exception ex) {
606	+	unexpectedException();
607	+	}
608	+	}
609	+
610	+	/**
611	+	* callable(PrivilegedExceptionAction) returns its result when called
612	+	*/
613	+	public void testCallable4() {
614	+	try {
615	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
616	+	public Object run() { return one; }});
617	+	assertEquals(one, c.call());
618	+	} catch (Exception ex) {
619	+	unexpectedException();
620	+	}
621	+	}
622	+
623	+
624	+	/**
625	+	* callable(null Runnable) throws NPE
626	+	*/
627	+	public void testCallableNPE1() {
628	+	try {
629	+	Runnable r = null;
630	+	Callable c = Executors.callable(r);
631	+	} catch (NullPointerException success) {
632	+	}
633	+	}
634	+
635	+	/**
636	+	* callable(null, result) throws NPE
637	+	*/
638	+	public void testCallableNPE2() {
639	+	try {
640	+	Runnable r = null;
641	+	Callable c = Executors.callable(r, one);
642	+	} catch (NullPointerException success) {
643	+	}
644	+	}
645	+
646	+	/**
647	+	* callable(null PrivilegedAction) throws NPE
648	+	*/
649	+	public void testCallableNPE3() {
650	+	try {
651	+	PrivilegedAction r = null;
652	+	Callable c = Executors.callable(r);
653	+	} catch (NullPointerException success) {
654	+	}
655	+	}
656	+
657	+	/**
658	+	* callable(null PrivilegedExceptionAction) throws NPE
659	+	*/
660	+	public void testCallableNPE4() {
661	+	try {
662	+	PrivilegedExceptionAction r = null;
663	+	Callable c = Executors.callable(r);
664	+	} catch (NullPointerException success) {
665	+	}
666	+	}
667	+
668	+
669		}

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