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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 1.23 by jsr166, Thu Nov 19 03:55:29 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	>	try {
224	>	TrackedCallable callable = new TrackedCallable();
225	>	ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor();
226	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.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	>	} catch (RejectedExecutionException e) {}
233	>	}
234	>
235	>	/**
236	>	* a newScheduledThreadPool successfully runs delayed task
237	>	*/
238	>	public void testnewScheduledThreadPool() throws Exception {
239	>	try {
240	>	TrackedCallable callable = new TrackedCallable();
241	>	ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2);
242	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
243	>	assertFalse(callable.done);
244	>	Thread.sleep(MEDIUM_DELAY_MS);
245	>	assertTrue(callable.done);
246	>	assertEquals(Boolean.TRUE, f.get());
247	>	joinPool(p1);
248	>	} catch (RejectedExecutionException e) {}
249		}
250
251	+	/**
252	+	* an unconfigurable  newScheduledThreadPool successfully runs delayed task
253	+	*/
254	+	public void testunconfigurableScheduledExecutorService() throws Exception {
255	+	try {
256	+	TrackedCallable callable = new TrackedCallable();
257	+	ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2));
258	+	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
259	+	assertFalse(callable.done);
260	+	Thread.sleep(MEDIUM_DELAY_MS);
261	+	assertTrue(callable.done);
262	+	assertEquals(Boolean.TRUE, f.get());
263	+	joinPool(p1);
264	+	} catch (RejectedExecutionException e) {}
265	+	}
266
267		/**
268		*  timeouts from execute will time out if they compute too long.
269		*/
270	<	public void testTimedCallable() {
270	>	public void testTimedCallable() throws Exception {
271		int N = 10000;
272		ExecutorService executor = Executors.newSingleThreadExecutor();
273		List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N);
274		try {
275		long startTime = System.currentTimeMillis();
276	<
276	>
277		long i = 0;
278		while (tasks.size() < N) {
279		tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1));
280		i += 10;
281		}
282	<
282	>
283		int iters = 0;
284		BigInteger sum = BigInteger.ZERO;
285		for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) {
#	Line 203 | Line 291 | public class ExecutorsTest extends JSR16
291		assertTrue(iters > 0);
292		return;
293		}
206	–	catch (Exception e) {
207	–	unexpectedException();
208	–	}
294		}
295		// if by chance we didn't ever time out, total time must be small
296		long elapsed = System.currentTimeMillis() - startTime;
#	Line 216 | Line 301 | public class ExecutorsTest extends JSR16
301		}
302		}
303
304	<
304	>
305		/**
306		* ThreadPoolExecutor using defaultThreadFactory has
307		* specified group, priority, daemon status, and name
308		*/
309	<	public void testDefaultThreadFactory() {
309	>	public void testDefaultThreadFactory() throws Exception {
310		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
311		Runnable r = new Runnable() {
312		public void run() {
313	<	Thread current = Thread.currentThread();
314	<	threadAssertTrue(!current.isDaemon());
315	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
316	<	ThreadGroup g = current.getThreadGroup();
317	<	SecurityManager s = System.getSecurityManager();
318	<	if (s != null)
319	<	threadAssertTrue(g == s.getThreadGroup());
320	<	else
321	<	threadAssertTrue(g == egroup);
322	<	String name = current.getName();
323	<	threadAssertTrue(name.endsWith("thread-1"));
313	>	try {
314	>	Thread current = Thread.currentThread();
315	>	threadAssertTrue(!current.isDaemon());
316	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
317	>	ThreadGroup g = current.getThreadGroup();
318	>	SecurityManager s = System.getSecurityManager();
319	>	if (s != null)
320	>	threadAssertTrue(g == s.getThreadGroup());
321	>	else
322	>	threadAssertTrue(g == egroup);
323	>	String name = current.getName();
324	>	threadAssertTrue(name.endsWith("thread-1"));
325	>	} catch (SecurityException ok) {
326	>	// Also pass if not allowed to change setting
327	>	}
328		}
329		};
330		ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
331	<
331	>
332		e.execute(r);
333	<	e.shutdown();
333	>	try {
334	>	e.shutdown();
335	>	} catch (SecurityException ok) {
336	>	}
337	>
338		try {
339		Thread.sleep(SHORT_DELAY_MS);
247	–	} catch (Exception eX) {
248	–	unexpectedException();
340		} finally {
341		joinPool(e);
342		}
#	Line 256 | Line 347 | public class ExecutorsTest extends JSR16
347		* specified group, priority, daemon status, name,
348		* access control context and context class loader
349		*/
350	<	public void testPrivilegedThreadFactory() {
351	<	Policy savedPolicy = Policy.getPolicy();
352	<	AdjustablePolicy policy = new AdjustablePolicy();
353	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
354	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
355	<	Policy.setPolicy(policy);
350	>	public void testPrivilegedThreadFactory() throws Exception {
351	>	Policy savedPolicy = null;
352	>	try {
353	>	savedPolicy = Policy.getPolicy();
354	>	AdjustablePolicy policy = new AdjustablePolicy();
355	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
356	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
357	>	Policy.setPolicy(policy);
358	>	} catch (AccessControlException ok) {
359	>	return;
360	>	}
361		final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
362		final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
363		final AccessControlContext thisacc = AccessController.getContext();
364		Runnable r = new Runnable() {
365		public void run() {
366	<	Thread current = Thread.currentThread();
367	<	threadAssertTrue(!current.isDaemon());
368	<	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
369	<	ThreadGroup g = current.getThreadGroup();
370	<	SecurityManager s = System.getSecurityManager();
371	<	if (s != null)
372	<	threadAssertTrue(g == s.getThreadGroup());
373	<	else
374	<	threadAssertTrue(g == egroup);
375	<	String name = current.getName();
376	<	threadAssertTrue(name.endsWith("thread-1"));
377	<	threadAssertTrue(thisccl == current.getContextClassLoader());
378	<	threadAssertTrue(thisacc.equals(AccessController.getContext()));
366	>	try {
367	>	Thread current = Thread.currentThread();
368	>	threadAssertTrue(!current.isDaemon());
369	>	threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
370	>	ThreadGroup g = current.getThreadGroup();
371	>	SecurityManager s = System.getSecurityManager();
372	>	if (s != null)
373	>	threadAssertTrue(g == s.getThreadGroup());
374	>	else
375	>	threadAssertTrue(g == egroup);
376	>	String name = current.getName();
377	>	threadAssertTrue(name.endsWith("thread-1"));
378	>	threadAssertTrue(thisccl == current.getContextClassLoader());
379	>	threadAssertTrue(thisacc.equals(AccessController.getContext()));
380	>	} catch (SecurityException ok) {
381	>	// Also pass if not allowed to change settings
382	>	}
383		}
384		};
385		ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
386	<
386	>
387		Policy.setPolicy(savedPolicy);
388		e.execute(r);
389	<	e.shutdown();
389	>	try {
390	>	e.shutdown();
391	>	} catch (SecurityException ok) {
392	>	}
393		try {
394		Thread.sleep(SHORT_DELAY_MS);
292	–	} catch (Exception ex) {
293	–	unexpectedException();
395		} finally {
396		joinPool(e);
397		}
398
399		}
400
401	+	void checkCCL() {
402	+	SecurityManager sm = System.getSecurityManager();
403	+	if (sm != null) {
404	+	sm.checkPermission(new RuntimePermission("setContextClassLoader"));
405	+	sm.checkPermission(new RuntimePermission("getClassLoader"));
406	+	}
407	+	}
408	+
409	+	class CheckCCL implements Callable<Object> {
410	+	public Object call() {
411	+	checkCCL();
412	+	return null;
413	+	}
414	+	}
415	+
416	+
417	+	/**
418	+	* Without class loader permissions, creating
419	+	* privilegedCallableUsingCurrentClassLoader throws ACE
420	+	*/
421	+	public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() {
422	+	Policy savedPolicy = null;
423	+	try {
424	+	savedPolicy = Policy.getPolicy();
425	+	AdjustablePolicy policy = new AdjustablePolicy();
426	+	Policy.setPolicy(policy);
427	+	} catch (AccessControlException ok) {
428	+	return;
429	+	}
430	+
431	+	// Check if program still has too many permissions to run test
432	+	try {
433	+	checkCCL();
434	+	// too many privileges to test; so return
435	+	Policy.setPolicy(savedPolicy);
436	+	return;
437	+	} catch (AccessControlException ok) {
438	+	}
439	+
440	+	try {
441	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
442	+	shouldThrow();
443	+	} catch (AccessControlException success) {
444	+	} finally {
445	+	Policy.setPolicy(savedPolicy);
446	+	}
447	+	}
448	+
449	+	/**
450	+	* With class loader permissions, calling
451	+	* privilegedCallableUsingCurrentClassLoader does not throw ACE
452	+	*/
453	+	public void testprivilegedCallableUsingCCLWithPrivs() throws Exception {
454	+	Policy savedPolicy = null;
455	+	try {
456	+	savedPolicy = Policy.getPolicy();
457	+	AdjustablePolicy policy = new AdjustablePolicy();
458	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
459	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
460	+	Policy.setPolicy(policy);
461	+	} catch (AccessControlException ok) {
462	+	return;
463	+	}
464	+
465	+	try {
466	+	Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable());
467	+	task.call();
468	+	}
469	+	finally {
470	+	Policy.setPolicy(savedPolicy);
471	+	}
472	+	}
473	+
474	+	/**
475	+	* Without permissions, calling privilegedCallable throws ACE
476	+	*/
477	+	public void testprivilegedCallableWithNoPrivs() throws Exception {
478	+	Callable task;
479	+	Policy savedPolicy = null;
480	+	AdjustablePolicy policy = null;
481	+	AccessControlContext noprivAcc = null;
482	+	try {
483	+	savedPolicy = Policy.getPolicy();
484	+	policy = new AdjustablePolicy();
485	+	Policy.setPolicy(policy);
486	+	noprivAcc = AccessController.getContext();
487	+	task = Executors.privilegedCallable(new CheckCCL());
488	+	Policy.setPolicy(savedPolicy);
489	+	} catch (AccessControlException ok) {
490	+	return; // program has too few permissions to set up test
491	+	}
492	+
493	+	// Make sure that program doesn't have too many permissions
494	+	try {
495	+	AccessController.doPrivileged(new PrivilegedAction() {
496	+	public Object run() {
497	+	checkCCL();
498	+	return null;
499	+	}}, noprivAcc);
500	+	// too many permssions; skip test
501	+	return;
502	+	} catch (AccessControlException ok) {
503	+	}
504	+
505	+	try {
506	+	task.call();
507	+	shouldThrow();
508	+	} catch (AccessControlException success) {}
509	+	}
510	+
511	+	/**
512	+	* With permissions, calling privilegedCallable succeeds
513	+	*/
514	+	public void testprivilegedCallableWithPrivs() throws Exception {
515	+	Policy savedPolicy = null;
516	+	try {
517	+	savedPolicy = Policy.getPolicy();
518	+	AdjustablePolicy policy = new AdjustablePolicy();
519	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
520	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
521	+	Policy.setPolicy(policy);
522	+	} catch (AccessControlException ok) {
523	+	return;
524	+	}
525	+
526	+	Callable task = Executors.privilegedCallable(new CheckCCL());
527	+	try {
528	+	task.call();
529	+	} finally {
530	+	Policy.setPolicy(savedPolicy);
531	+	}
532	+	}
533	+
534	+	/**
535	+	* callable(Runnable) returns null when called
536	+	*/
537	+	public void testCallable1() throws Exception {
538	+	Callable c = Executors.callable(new NoOpRunnable());
539	+	assertNull(c.call());
540	+	}
541	+
542	+	/**
543	+	* callable(Runnable, result) returns result when called
544	+	*/
545	+	public void testCallable2() throws Exception {
546	+	Callable c = Executors.callable(new NoOpRunnable(), one);
547	+	assertEquals(one, c.call());
548	+	}
549	+
550	+	/**
551	+	* callable(PrivilegedAction) returns its result when called
552	+	*/
553	+	public void testCallable3() throws Exception {
554	+	Callable c = Executors.callable(new PrivilegedAction() {
555	+	public Object run() { return one; }});
556	+	assertEquals(one, c.call());
557	+	}
558	+
559	+	/**
560	+	* callable(PrivilegedExceptionAction) returns its result when called
561	+	*/
562	+	public void testCallable4() throws Exception {
563	+	Callable c = Executors.callable(new PrivilegedExceptionAction() {
564	+	public Object run() { return one; }});
565	+	assertEquals(one, c.call());
566	+	}
567	+
568	+
569	+	/**
570	+	* callable(null Runnable) throws NPE
571	+	*/
572	+	public void testCallableNPE1() {
573	+	try {
574	+	Callable c = Executors.callable((Runnable) null);
575	+	shouldThrow();
576	+	} catch (NullPointerException success) {}
577	+	}
578	+
579	+	/**
580	+	* callable(null, result) throws NPE
581	+	*/
582	+	public void testCallableNPE2() {
583	+	try {
584	+	Callable c = Executors.callable((Runnable) null, one);
585	+	shouldThrow();
586	+	} catch (NullPointerException success) {}
587	+	}
588	+
589	+	/**
590	+	* callable(null PrivilegedAction) throws NPE
591	+	*/
592	+	public void testCallableNPE3() {
593	+	try {
594	+	Callable c = Executors.callable((PrivilegedAction) null);
595	+	shouldThrow();
596	+	} catch (NullPointerException success) {}
597	+	}
598	+
599	+	/**
600	+	* callable(null PrivilegedExceptionAction) throws NPE
601	+	*/
602	+	public void testCallableNPE4() {
603	+	try {
604	+	Callable c = Executors.callable((PrivilegedExceptionAction) null);
605	+	shouldThrow();
606	+	} catch (NullPointerException success) {}
607	+	}
608	+
609	+
610		}

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