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Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.10 by tim, Wed Dec 10 01:51:12 2003 UTC vs.
Revision 1.27 by jsr166, Tue Dec 1 09:56:28 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
10		import junit.framework.*;
11		import java.util.*;
12		import java.util.concurrent.*;
13	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
14		import java.math.BigInteger;
15		import java.security.*;
16
17	<	public class ExecutorsTest extends JSR166TestCase{
17	>	public class ExecutorsTest extends JSR166TestCase {
18		public static void main(String[] args) {
19	<	junit.textui.TestRunner.run (suite());
19	>	junit.textui.TestRunner.run (suite());
20		}
21		public static Test suite() {
22		return new TestSuite(ExecutorsTest.class);
#	Line 24 | Line 26 | public class ExecutorsTest extends JSR16
26		private final ExecutorService exec;
27		private final Callable<T> func;
28		private final long msecs;
29	<
29	>
30		TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
31		this.exec = exec;
32		this.func = func;
33		this.msecs = msecs;
34		}
35	<
35	>
36		public T call() throws Exception {
37		Future<T> ftask = exec.submit(func);
38		try {
39	<	return ftask.get(msecs, TimeUnit.MILLISECONDS);
39	>	return ftask.get(msecs, MILLISECONDS);
40		} finally {
41		ftask.cancel(true);
42		}
#	Line 68 | Line 70 | public class ExecutorsTest extends JSR16
70		e.execute(new NoOpRunnable());
71		e.execute(new NoOpRunnable());
72		e.execute(new NoOpRunnable());
73	<	e.shutdown();
73	>	joinPool(e);
74		}
75
76		/**
#	Line 79 | Line 81 | public class ExecutorsTest extends JSR16
81		e.execute(new NoOpRunnable());
82		e.execute(new NoOpRunnable());
83		e.execute(new NoOpRunnable());
84	<	e.shutdown();
84	>	joinPool(e);
85		}
86
87		/**
#	Line 89 | Line 91 | public class ExecutorsTest extends JSR16
91		try {
92		ExecutorService e = Executors.newCachedThreadPool(null);
93		shouldThrow();
94	<	}
93	<	catch(NullPointerException success) {
94	<	}
94	>	} catch (NullPointerException success) {}
95		}
96
97
#	Line 103 | Line 103 | public class ExecutorsTest extends JSR16
103		e.execute(new NoOpRunnable());
104		e.execute(new NoOpRunnable());
105		e.execute(new NoOpRunnable());
106	<	e.shutdown();
106	>	joinPool(e);
107		}
108
109		/**
#	Line 114 | Line 114 | public class ExecutorsTest extends JSR16
114		e.execute(new NoOpRunnable());
115		e.execute(new NoOpRunnable());
116		e.execute(new NoOpRunnable());
117	<	e.shutdown();
117	>	joinPool(e);
118		}
119
120		/**
#	Line 124 | Line 124 | public class ExecutorsTest extends JSR16
124		try {
125		ExecutorService e = Executors.newSingleThreadExecutor(null);
126		shouldThrow();
127	<	}
128	<	catch(NullPointerException success) {
127	>	} catch (NullPointerException success) {}
128	>	}
129	>
130	>	/**
131	>	* A new SingleThreadExecutor cannot be casted to concrete implementation
132	>	*/
133	>	public void testCastNewSingleThreadExecutor() {
134	>	ExecutorService e = Executors.newSingleThreadExecutor();
135	>	try {
136	>	ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
137	>	shouldThrow();
138	>	} catch (ClassCastException success) {
139	>	} finally {
140	>	joinPool(e);
141		}
142		}
143
144	+
145		/**
146		* A new newFixedThreadPool can execute runnables
147		*/
#	Line 137 | Line 150 | public class ExecutorsTest extends JSR16
150		e.execute(new NoOpRunnable());
151		e.execute(new NoOpRunnable());
152		e.execute(new NoOpRunnable());
153	<	e.shutdown();
153	>	joinPool(e);
154		}
155
156		/**
#	Line 148 | Line 161 | public class ExecutorsTest extends JSR16
161		e.execute(new NoOpRunnable());
162		e.execute(new NoOpRunnable());
163		e.execute(new NoOpRunnable());
164	<	e.shutdown();
164	>	joinPool(e);
165		}
166
167		/**
#	Line 158 | Line 171 | public class ExecutorsTest extends JSR16
171		try {
172		ExecutorService e = Executors.newFixedThreadPool(2, null);
173		shouldThrow();
174	<	}
162	<	catch(NullPointerException success) {
163	<	}
174	>	} catch (NullPointerException success) {}
175		}
176
177		/**
#	Line 170 | Line 181 | public class ExecutorsTest extends JSR16
181		try {
182		ExecutorService e = Executors.newFixedThreadPool(0);
183		shouldThrow();
184	<	}
185	<	catch(IllegalArgumentException success) {
186	<	}
184	>	} catch (IllegalArgumentException success) {}
185	>	}
186	>
187	>
188	>	/**
189	>	* An unconfigurable newFixedThreadPool can execute runnables
190	>	*/
191	>	public void testunconfigurableExecutorService() {
192	>	ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
193	>	e.execute(new NoOpRunnable());
194	>	e.execute(new NoOpRunnable());
195	>	e.execute(new NoOpRunnable());
196	>	joinPool(e);
197	>	}
198	>
199	>	/**
200	>	* unconfigurableExecutorService(null) throws NPE
201	>	*/
202	>	public void testunconfigurableExecutorServiceNPE() {
203	>	try {
204	>	ExecutorService e = Executors.unconfigurableExecutorService(null);
205	>	shouldThrow();
206	>	} catch (NullPointerException success) {}
207	>	}
208	>
209	>	/**
210	>	* unconfigurableScheduledExecutorService(null) throws NPE
211	>	*/
212	>	public void testunconfigurableScheduledExecutorServiceNPE() {
213	>	try {
214	>	ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
215	>	shouldThrow();
216	>	} catch (NullPointerException success) {}
217	>	}
218	>
219	>
220	>	/**
221	>	* a newSingleThreadScheduledExecutor successfully runs delayed task
222	>	*/
223	>	public void testNewSingleThreadScheduledExecutor() throws Exception {
224	>	TrackedCallable callable = new TrackedCallable();
225	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
226	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
227	>	assertFalse(callable.done);
228	>	Thread.sleep(MEDIUM_DELAY_MS);
229	>	assertTrue(callable.done);
230	>	assertEquals(Boolean.TRUE, f.get());
231	>	joinPool(p1);
232	>	}
233	>
234	>	/**
235	>	* a newScheduledThreadPool successfully runs delayed task
236	>	*/
237	>	public void testnewScheduledThreadPool() throws Exception {
238	>	TrackedCallable callable = new TrackedCallable();
239	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
240	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
241	>	assertFalse(callable.done);
242	>	Thread.sleep(MEDIUM_DELAY_MS);
243	>	assertTrue(callable.done);
244	>	assertEquals(Boolean.TRUE, f.get());
245	>	joinPool(p1);
246		}
247
248	+	/**
249	+	* an unconfigurable newScheduledThreadPool successfully runs delayed task
250	+	*/
251	+	public void testunconfigurableScheduledExecutorService() throws Exception {
252	+	TrackedCallable callable = new TrackedCallable();
253	+	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
254	+	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
255	+	assertFalse(callable.done);
256	+	Thread.sleep(MEDIUM_DELAY_MS);
257	+	assertTrue(callable.done);
258	+	assertEquals(Boolean.TRUE, f.get());
259	+	joinPool(p1);
260	+	}
261
262		/**
263		*  timeouts from execute will time out if they compute too long.
264		*/
265	<	public void testTimedCallable() {
265	>	public void testTimedCallable() throws Exception {
266		int N = 10000;
267		ExecutorService executor = Executors.newSingleThreadExecutor();
268		List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
269		try {
270		long startTime = System.currentTimeMillis();
271	<
271	>
272		long i = 0;
273		while (tasks.size() < N) {
274		tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
275		i += 10;
276		}
277	<
277	>
278		int iters = 0;
279		BigInteger sum = BigInteger.ZERO;
280		for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
#	Line 203 | Line 286 | public class ExecutorsTest extends JSR16
286		assertTrue(iters > 0);
287		return;
288		}
206	–	catch (Exception e) {
207	–	unexpectedException();
208	–	}
289		}
290		// if by chance we didn't ever time out, total time must be small
291		long elapsed = System.currentTimeMillis() - startTime;
#	Line 216 | Line 296 | public class ExecutorsTest extends JSR16
296		}
297		}
298
299	<
299	>
300		/**
301		* ThreadPoolExecutor using defaultThreadFactory has
302		* specified group, priority, daemon status, and name
303		*/
304	<	public void testDefaultThreadFactory() {
304	>	public void testDefaultThreadFactory() throws Exception {
305		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
306		Runnable r = new Runnable() {
307		public void run() {
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"));
308	>	try {
309	>	Thread current = Thread.currentThread();
310	>	threadAssertTrue(!current.isDaemon());
311	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
312	>	ThreadGroup g = current.getThreadGroup();
313	>	SecurityManager s = System.getSecurityManager();
314	>	if (s != null)
315	>	threadAssertTrue(g == s.getThreadGroup());
316	>	else
317	>	threadAssertTrue(g == egroup);
318	>	String name = current.getName();
319	>	threadAssertTrue(name.endsWith("thread-1"));
320	>	} catch (SecurityException ok) {
321	>	// Also pass if not allowed to change setting
322	>	}
323		}
324		};
325		ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
326	<
326	>
327		e.execute(r);
328	<	e.shutdown();
328	>	try {
329	>	e.shutdown();
330	>	} catch (SecurityException ok) {
331	>	}
332	>
333		try {
334		Thread.sleep(SHORT_DELAY_MS);
247	–	} catch (Exception eX) {
248	–	unexpectedException();
335		} finally {
336		joinPool(e);
337		}
#	Line 256 | Line 342 | public class ExecutorsTest extends JSR16
342		* specified group, priority, daemon status, name,
343		* access control context and context class loader
344		*/
345	<	public void testPrivilegedThreadFactory() {
346	<	Policy savedPolicy = Policy.getPolicy();
347	<	AdjustablePolicy policy = new AdjustablePolicy();
348	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
349	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
350	<	Policy.setPolicy(policy);
345	>	public void testPrivilegedThreadFactory() throws Exception {
346	>	Policy savedPolicy = null;
347	>	try {
348	>	savedPolicy = Policy.getPolicy();
349	>	AdjustablePolicy policy = new AdjustablePolicy();
350	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
351	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
352	>	Policy.setPolicy(policy);
353	>	} catch (AccessControlException ok) {
354	>	return;
355	>	}
356		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
357		final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
358		final AccessControlContext thisacc = AccessController.getContext();
359		Runnable r = new Runnable() {
360		public void run() {
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()));
361	>	try {
362	>	Thread current = Thread.currentThread();
363	>	threadAssertTrue(!current.isDaemon());
364	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
365	>	ThreadGroup g = current.getThreadGroup();
366	>	SecurityManager s = System.getSecurityManager();
367	>	if (s != null)
368	>	threadAssertTrue(g == s.getThreadGroup());
369	>	else
370	>	threadAssertTrue(g == egroup);
371	>	String name = current.getName();
372	>	threadAssertTrue(name.endsWith("thread-1"));
373	>	threadAssertTrue(thisccl == current.getContextClassLoader());
374	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
375	>	} catch (SecurityException ok) {
376	>	// Also pass if not allowed to change settings
377	>	}
378		}
379		};
380		ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
381	<
381	>
382		Policy.setPolicy(savedPolicy);
383		e.execute(r);
384	<	e.shutdown();
384	>	try {
385	>	e.shutdown();
386	>	} catch (SecurityException ok) {
387	>	}
388		try {
389		Thread.sleep(SHORT_DELAY_MS);
292	–	} catch (Exception ex) {
293	–	unexpectedException();
390		} finally {
391		joinPool(e);
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	+	assertSame(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	+	assertSame(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	+	assertSame(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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