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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 1.15 by dl, Thu Jan 22 14:07:50 2004 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	+	static class CheckCCL implements Callable<Object> {
430	+	public Object call() {
431	+	AccessControlContext acc = AccessController.getContext();
432	+	acc.checkPermission(new RuntimePermission("getContextClassLoader"));
433	+	return null;
434	+	}
435	+	}
436	+
437	+
438	+	/**
439	+	* Without class loader permissions, creating
440	+	* privilegedCallableUsingCurrentClassLoader throws ACE
441	+	*/
442	+	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
443	+	Policy savedPolicy = null;
444	+	try {
445	+	savedPolicy = Policy.getPolicy();
446	+	AdjustablePolicy policy = new AdjustablePolicy();
447	+	Policy.setPolicy(policy);
448	+	} catch (AccessControlException ok) {
449	+	return;
450	+	}
451	+
452	+	try {
453	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
454	+	shouldThrow();
455	+	} catch(AccessControlException success) {
456	+	} catch(Exception ex) {
457	+	unexpectedException();
458	+	}
459	+	finally {
460	+	Policy.setPolicy(savedPolicy);
461	+	}
462	+	}
463	+
464	+	/**
465	+	* Without class loader permissions, calling
466	+	* privilegedCallableUsingCurrentClassLoader throws ACE
467	+	*/
468	+	public void testprivilegedCallableUsingCCLWithPrivs() {
469	+	Policy savedPolicy = null;
470	+	try {
471	+	savedPolicy = Policy.getPolicy();
472	+	AdjustablePolicy policy = new AdjustablePolicy();
473	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
474	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
475	+	Policy.setPolicy(policy);
476	+	} catch (AccessControlException ok) {
477	+	return;
478	+	}
479	+
480	+	try {
481	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
482	+	task.call();
483	+	} catch(Exception ex) {
484	+	unexpectedException();
485	+	}
486	+	finally {
487	+	Policy.setPolicy(savedPolicy);
488	+	}
489	+	}
490	+
491	+	class CallCCL implements Runnable {
492	+	final Callable task;
493	+	CallCCL(Callable t) { task = t; }
494	+	public void run() {
495	+	try {
496	+	task.call();
497	+	threadShouldThrow();
498	+	} catch(AccessControlException success) {
499	+	} catch(Exception ex) {
500	+	threadUnexpectedException();
501	+	}
502	+	}
503	+	}
504	+
505	+	/**
506	+	* Without permissions, calling privilegedCallable throws ACE
507	+	*/
508	+	public void testprivilegedCallableWithNoPrivs() {
509	+	Thread t1;
510	+	try {
511	+	Policy savedPolicy = Policy.getPolicy();
512	+	AdjustablePolicy policy = new AdjustablePolicy();
513	+	Policy.setPolicy(policy);
514	+	Callable task = Executors.privilegedCallable(new CheckCCL());
515	+	t1 = new Thread(new CallCCL(task));
516	+	Policy.setPolicy(savedPolicy);
517	+	} catch (AccessControlException ok) {
518	+	return;
519	+	}
520	+
521	+	try {
522	+	t1.start();
523	+	t1.join();
524	+	} catch(Exception ex) {
525	+	unexpectedException();
526	+	}
527	+	}
528	+
529	+	/**
530	+	* With permissions, calling privilegedCallable succeeds
531	+	*/
532	+	public void testprivilegedCallableWithPrivs() {
533	+	Policy savedPolicy = null;
534	+	try {
535	+	savedPolicy = Policy.getPolicy();
536	+	AdjustablePolicy policy = new AdjustablePolicy();
537	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
538	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
539	+	Policy.setPolicy(policy);
540	+	} catch (AccessControlException ok) {
541	+	return;
542	+	}
543	+
544	+	Callable task = Executors.privilegedCallable(new CheckCCL());
545	+	try {
546	+	task.call();
547	+	} catch(Exception ex) {
548	+	unexpectedException();
549	+	} finally {
550	+	Policy.setPolicy(savedPolicy);
551	+	}
552	+	}
553	+
554	+	/**
555	+	* callable(Runnable) returns null when called
556	+	*/
557	+	public void testCallable1() {
558	+	try {
559	+	Callable c = Executors.callable(new NoOpRunnable());
560	+	assertNull(c.call());
561	+	} catch(Exception ex) {
562	+	unexpectedException();
563	+	}
564	+
565	+	}
566	+
567	+	/**
568	+	* callable(Runnable, result) returns result when called
569	+	*/
570	+	public void testCallable2() {
571	+	try {
572	+	Callable c = Executors.callable(new NoOpRunnable(), one);
573	+	assertEquals(one, c.call());
574	+	} catch(Exception ex) {
575	+	unexpectedException();
576	+	}
577	+	}
578	+
579	+	/**
580	+	* callable(PrivilegedAction) returns its result when called
581	+	*/
582	+	public void testCallable3() {
583	+	try {
584	+	Callable c = Executors.callable(new PrivilegedAction() {
585	+	public Object run() { return one; }});
586	+	assertEquals(one, c.call());
587	+	} catch(Exception ex) {
588	+	unexpectedException();
589	+	}
590	+	}
591	+
592	+	/**
593	+	* callable(PrivilegedExceptionAction) returns its result when called
594	+	*/
595	+	public void testCallable4() {
596	+	try {
597	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
598	+	public Object run() { return one; }});
599	+	assertEquals(one, c.call());
600	+	} catch(Exception ex) {
601	+	unexpectedException();
602	+	}
603	+	}
604	+
605	+
606	+	/**
607	+	* callable(null Runnable) throws NPE
608	+	*/
609	+	public void testCallableNPE1() {
610	+	try {
611	+	Runnable r = null;
612	+	Callable c = Executors.callable(r);
613	+	} catch (NullPointerException success) {
614	+	}
615	+	}
616	+
617	+	/**
618	+	* callable(null, result) throws NPE
619	+	*/
620	+	public void testCallableNPE2() {
621	+	try {
622	+	Runnable r = null;
623	+	Callable c = Executors.callable(r, one);
624	+	} catch (NullPointerException success) {
625	+	}
626	+	}
627	+
628	+	/**
629	+	* callable(null PrivilegedAction) throws NPE
630	+	*/
631	+	public void testCallableNPE3() {
632	+	try {
633	+	PrivilegedAction r = null;
634	+	Callable c = Executors.callable(r);
635	+	} catch (NullPointerException success) {
636	+	}
637	+	}
638	+
639	+	/**
640	+	* callable(null PrivilegedExceptionAction) throws NPE
641	+	*/
642	+	public void testCallableNPE4() {
643	+	try {
644	+	PrivilegedExceptionAction r = null;
645	+	Callable c = Executors.callable(r);
646	+	} catch (NullPointerException success) {
647	+	}
648	+	}
649	+
650	+
651		}

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