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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 1.17 by dl, Mon Apr 3 15:00:59 2006 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 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 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 130 | Line 131 | public class ExecutorsTest extends JSR16
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		*/
150		public void testNewFixedThreadPool1() {
#	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 177 | Line 192 | public class ExecutorsTest extends JSR16
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.
290		*/
291		public void testTimedCallable() {
#	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
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
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	+	AccessController.getContext().checkPermission(new RuntimePermission("getContextClassLoader"));
431	+	}
432	+
433	+	class CheckCCL implements Callable<Object> {
434	+	public Object call() {
435	+	checkCCL();
436	+	return null;
437	+	}
438	+	}
439	+
440	+
441	+	/**
442	+	* Without class loader permissions, creating
443	+	* privilegedCallableUsingCurrentClassLoader throws ACE
444	+	*/
445	+	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
446	+	Policy savedPolicy = null;
447	+	try {
448	+	savedPolicy = Policy.getPolicy();
449	+	AdjustablePolicy policy = new AdjustablePolicy();
450	+	Policy.setPolicy(policy);
451	+	} catch (AccessControlException ok) {
452	+	return;
453	+	}
454	+
455	+	// Check if program still has too many permissions to run test
456	+	try {
457	+	checkCCL();
458	+	// too many privileges to test; so return
459	+	Policy.setPolicy(savedPolicy);
460	+	return;
461	+	} catch(AccessControlException ok) {
462	+	}
463	+
464	+	try {
465	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
466	+	shouldThrow();
467	+	} catch(AccessControlException success) {
468	+	} catch(Exception ex) {
469	+	unexpectedException();
470	+	}
471	+	finally {
472	+	Policy.setPolicy(savedPolicy);
473	+	}
474	+	}
475	+
476	+	/**
477	+	* With class loader permissions, calling
478	+	* privilegedCallableUsingCurrentClassLoader does not throw ACE
479	+	*/
480	+	public void testprivilegedCallableUsingCCLWithPrivs() {
481	+	Policy savedPolicy = null;
482	+	try {
483	+	savedPolicy = Policy.getPolicy();
484	+	AdjustablePolicy policy = new AdjustablePolicy();
485	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
486	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
487	+	Policy.setPolicy(policy);
488	+	} catch (AccessControlException ok) {
489	+	return;
490	+	}
491	+
492	+	try {
493	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
494	+	task.call();
495	+	} catch(Exception ex) {
496	+	unexpectedException();
497	+	}
498	+	finally {
499	+	Policy.setPolicy(savedPolicy);
500	+	}
501	+	}
502	+
503	+	/**
504	+	* Without permissions, calling privilegedCallable throws ACE
505	+	*/
506	+	public void testprivilegedCallableWithNoPrivs() {
507	+	Callable task;
508	+	Policy savedPolicy = null;
509	+	AdjustablePolicy policy = null;
510	+	AccessControlContext noprivAcc = null;
511	+	try {
512	+	savedPolicy = Policy.getPolicy();
513	+	policy = new AdjustablePolicy();
514	+	Policy.setPolicy(policy);
515	+	noprivAcc = AccessController.getContext();
516	+	task = Executors.privilegedCallable(new CheckCCL());
517	+	Policy.setPolicy(savedPolicy);
518	+	} catch (AccessControlException ok) {
519	+	return; // program has too few permissions to set up test
520	+	}
521	+
522	+	// Make sure that program doesn't have too many permissions
523	+	try {
524	+	AccessController.doPrivileged(new PrivilegedAction() {
525	+	public Object run() {
526	+	checkCCL();
527	+	return null;
528	+	}}, noprivAcc);
529	+	// too many permssions; skip test
530	+	return;
531	+	} catch(AccessControlException ok) {
532	+	}
533	+
534	+	try {
535	+	task.call();
536	+	shouldThrow();
537	+	} catch(AccessControlException success) {
538	+	} catch(Exception ex) {
539	+	unexpectedException();
540	+	}
541	+	}
542	+
543	+	/**
544	+	* With permissions, calling privilegedCallable succeeds
545	+	*/
546	+	public void testprivilegedCallableWithPrivs() {
547	+	Policy savedPolicy = null;
548	+	try {
549	+	savedPolicy = Policy.getPolicy();
550	+	AdjustablePolicy policy = new AdjustablePolicy();
551	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
552	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
553	+	Policy.setPolicy(policy);
554	+	} catch (AccessControlException ok) {
555	+	return;
556	+	}
557	+
558	+	Callable task = Executors.privilegedCallable(new CheckCCL());
559	+	try {
560	+	task.call();
561	+	} catch(Exception ex) {
562	+	unexpectedException();
563	+	} finally {
564	+	Policy.setPolicy(savedPolicy);
565	+	}
566	+	}
567	+
568	+	/**
569	+	* callable(Runnable) returns null when called
570	+	*/
571	+	public void testCallable1() {
572	+	try {
573	+	Callable c = Executors.callable(new NoOpRunnable());
574	+	assertNull(c.call());
575	+	} catch(Exception ex) {
576	+	unexpectedException();
577	+	}
578	+
579	+	}
580	+
581	+	/**
582	+	* callable(Runnable, result) returns result when called
583	+	*/
584	+	public void testCallable2() {
585	+	try {
586	+	Callable c = Executors.callable(new NoOpRunnable(), one);
587	+	assertEquals(one, c.call());
588	+	} catch(Exception ex) {
589	+	unexpectedException();
590	+	}
591	+	}
592	+
593	+	/**
594	+	* callable(PrivilegedAction) returns its result when called
595	+	*/
596	+	public void testCallable3() {
597	+	try {
598	+	Callable c = Executors.callable(new PrivilegedAction() {
599	+	public Object run() { return one; }});
600	+	assertEquals(one, c.call());
601	+	} catch(Exception ex) {
602	+	unexpectedException();
603	+	}
604	+	}
605	+
606	+	/**
607	+	* callable(PrivilegedExceptionAction) returns its result when called
608	+	*/
609	+	public void testCallable4() {
610	+	try {
611	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
612	+	public Object run() { return one; }});
613	+	assertEquals(one, c.call());
614	+	} catch(Exception ex) {
615	+	unexpectedException();
616	+	}
617	+	}
618	+
619	+
620	+	/**
621	+	* callable(null Runnable) throws NPE
622	+	*/
623	+	public void testCallableNPE1() {
624	+	try {
625	+	Runnable r = null;
626	+	Callable c = Executors.callable(r);
627	+	} catch (NullPointerException success) {
628	+	}
629	+	}
630	+
631	+	/**
632	+	* callable(null, result) throws NPE
633	+	*/
634	+	public void testCallableNPE2() {
635	+	try {
636	+	Runnable r = null;
637	+	Callable c = Executors.callable(r, one);
638	+	} catch (NullPointerException success) {
639	+	}
640	+	}
641	+
642	+	/**
643	+	* callable(null PrivilegedAction) throws NPE
644	+	*/
645	+	public void testCallableNPE3() {
646	+	try {
647	+	PrivilegedAction r = null;
648	+	Callable c = Executors.callable(r);
649	+	} catch (NullPointerException success) {
650	+	}
651	+	}
652	+
653	+	/**
654	+	* callable(null PrivilegedExceptionAction) throws NPE
655	+	*/
656	+	public void testCallableNPE4() {
657	+	try {
658	+	PrivilegedExceptionAction r = null;
659	+	Callable c = Executors.callable(r);
660	+	} catch (NullPointerException success) {
661	+	}
662	+	}
663	+
664	+
665		}

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