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root/jsr166/jsr166/src/test/tck/AbstractExecutorServiceTest.java

Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.6 by dl, Mon Dec 22 00:48:55 2003 UTC vs.
Revision 1.24 by jsr166, Wed Aug 25 00:07:02 2010 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 AbstractExecutorServiceTest extends JSR166TestCase{
17	>	public class AbstractExecutorServiceTest 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(AbstractExecutorServiceTest.class);
23		}
24
25	<	/**
25	>	/**
26		* A no-frills implementation of AbstractExecutorService, designed
27		* to test the submit methods only.
28		*/
#	Line 35 | Line 37 | public class AbstractExecutorServiceTest
37		}
38
39		/**
40	<	* execute of runnable runs it to completion
40	>	* execute(runnable) runs it to completion
41		*/
42	<	public void testExecuteRunnable() {
43	<	try {
44	<	ExecutorService e = new DirectExecutorService();
45	<	TrackedShortRunnable task = new TrackedShortRunnable();
46	<	assertFalse(task.done);
47	<	Future<?> future = e.submit(task);
48	<	future.get();
47	<	assertTrue(task.done);
48	<	}
49	<	catch (ExecutionException ex) {
50	<	unexpectedException();
51	<	}
52	<	catch (InterruptedException ex) {
53	<	unexpectedException();
54	<	}
42	>	public void testExecuteRunnable() throws Exception {
43	>	ExecutorService e = new DirectExecutorService();
44	>	TrackedShortRunnable task = new TrackedShortRunnable();
45	>	assertFalse(task.done);
46	>	Future<?> future = e.submit(task);
47	>	future.get();
48	>	assertTrue(task.done);
49		}
50
51
52		/**
53	<	* completed submit of callable returns result
53	>	* Completed submit(callable) returns result
54		*/
55	<	public void testSubmitCallable() {
56	<	try {
57	<	ExecutorService e = new DirectExecutorService();
58	<	Future<String> future = e.submit(new StringTask());
59	<	String result = future.get();
66	<	assertSame(TEST_STRING, result);
67	<	}
68	<	catch (ExecutionException ex) {
69	<	unexpectedException();
70	<	}
71	<	catch (InterruptedException ex) {
72	<	unexpectedException();
73	<	}
55	>	public void testSubmitCallable() throws Exception {
56	>	ExecutorService e = new DirectExecutorService();
57	>	Future<String> future = e.submit(new StringTask());
58	>	String result = future.get();
59	>	assertSame(TEST_STRING, result);
60		}
61
62		/**
63	<	* completed submit of runnable returns successfully
63	>	* Completed submit(runnable) returns successfully
64		*/
65	<	public void testSubmitRunnable() {
66	<	try {
67	<	ExecutorService e = new DirectExecutorService();
68	<	Future<?> future = e.submit(new NoOpRunnable());
69	<	future.get();
84	<	assertTrue(future.isDone());
85	<	}
86	<	catch (ExecutionException ex) {
87	<	unexpectedException();
88	<	}
89	<	catch (InterruptedException ex) {
90	<	unexpectedException();
91	<	}
65	>	public void testSubmitRunnable() throws Exception {
66	>	ExecutorService e = new DirectExecutorService();
67	>	Future<?> future = e.submit(new NoOpRunnable());
68	>	future.get();
69	>	assertTrue(future.isDone());
70		}
71
72		/**
73	<	* completed submit of (runnable, result) returns result
73	>	* Completed submit(runnable, result) returns result
74		*/
75	<	public void testSubmitRunnable2() {
76	<	try {
77	<	ExecutorService e = new DirectExecutorService();
78	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
79	<	String result = future.get();
102	<	assertSame(TEST_STRING, result);
103	<	}
104	<	catch (ExecutionException ex) {
105	<	unexpectedException();
106	<	}
107	<	catch (InterruptedException ex) {
108	<	unexpectedException();
109	<	}
75	>	public void testSubmitRunnable2() throws Exception {
76	>	ExecutorService e = new DirectExecutorService();
77	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
78	>	String result = future.get();
79	>	assertSame(TEST_STRING, result);
80		}
81
82
83		/**
84	<	* submit of a privileged action runs it to completion
84	>	* A submitted privileged action runs to completion
85		*/
86	<	public void testSubmitPrivilegedAction() {
87	<	Policy savedPolicy = Policy.getPolicy();
88	<	AdjustablePolicy policy = new AdjustablePolicy();
89	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
90	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
121	<	Policy.setPolicy(policy);
122	<	try {
123	<	ExecutorService e = new DirectExecutorService();
124	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
86	>	public void testSubmitPrivilegedAction() throws Exception {
87	>	Runnable r = new CheckedRunnable() {
88	>	public void realRun() throws Exception {
89	>	ExecutorService e = new DirectExecutorService();
90	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
91		public Object run() {
92		return TEST_STRING;
93		}}));
94
95	<	Object result = future.get();
96	<	assertSame(TEST_STRING, result);
97	<	}
98	<	catch (ExecutionException ex) {
99	<	unexpectedException();
100	<	}
101	<	catch (InterruptedException ex) {
136	<	unexpectedException();
137	<	}
138	<	finally {
139	<	Policy.setPolicy(savedPolicy);
140	<	}
95	>	assertSame(TEST_STRING, future.get());
96	>	}};
97	>
98	>	runWithPermissions(r,
99	>	new RuntimePermission("getClassLoader"),
100	>	new RuntimePermission("setContextClassLoader"),
101	>	new RuntimePermission("modifyThread"));
102		}
103
104		/**
105	<	* submit of a privileged exception action runs it to completion
105	>	* A submitted privileged exception action runs to completion
106		*/
107	<	public void testSubmitPrivilegedExceptionAction() {
108	<	Policy savedPolicy = Policy.getPolicy();
109	<	AdjustablePolicy policy = new AdjustablePolicy();
110	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
111	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
151	<	Policy.setPolicy(policy);
152	<	try {
153	<	ExecutorService e = new DirectExecutorService();
154	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
107	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
108	>	Runnable r = new CheckedRunnable() {
109	>	public void realRun() throws Exception {
110	>	ExecutorService e = new DirectExecutorService();
111	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
112		public Object run() {
113		return TEST_STRING;
114		}}));
115
116	<	Object result = future.get();
117	<	assertSame(TEST_STRING, result);
118	<	}
119	<	catch (ExecutionException ex) {
163	<	unexpectedException();
164	<	}
165	<	catch (InterruptedException ex) {
166	<	unexpectedException();
167	<	}
168	<	finally {
169	<	Policy.setPolicy(savedPolicy);
170	<	}
116	>	assertSame(TEST_STRING, future.get());
117	>	}};
118	>
119	>	runWithPermissions(r);
120		}
121
122		/**
123	<	* submit of a failed privileged exception action reports exception
123	>	* A submitted failed privileged exception action reports exception
124		*/
125	<	public void testSubmitFailedPrivilegedExceptionAction() {
126	<	Policy savedPolicy = Policy.getPolicy();
127	<	AdjustablePolicy policy = new AdjustablePolicy();
128	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
129	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
181	<	Policy.setPolicy(policy);
182	<	try {
183	<	ExecutorService e = new DirectExecutorService();
184	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
125	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
126	>	Runnable r = new CheckedRunnable() {
127	>	public void realRun() throws Exception {
128	>	ExecutorService e = new DirectExecutorService();
129	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
130		public Object run() throws Exception {
131		throw new IndexOutOfBoundsException();
132		}}));
133
134	<	Object result = future.get();
135	<	shouldThrow();
136	<	}
137	<	catch (ExecutionException success) {
138	<	}
139	<	catch (InterruptedException ex) {
140	<	unexpectedException();
141	<	}
197	<	finally {
198	<	Policy.setPolicy(savedPolicy);
199	<	}
134	>	try {
135	>	future.get();
136	>	shouldThrow();
137	>	} catch (ExecutionException success) {
138	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
139	>	}}};
140	>
141	>	runWithPermissions(r);
142		}
143
144		/**
145	<	* execute with a null runnable throws NPE
145	>	* execute(null runnable) throws NPE
146		*/
147		public void testExecuteNullRunnable() {
148		try {
149		ExecutorService e = new DirectExecutorService();
150	<	TrackedShortRunnable task = null;
209	<	Future<?> future = e.submit(task);
150	>	e.submit((Runnable) null);
151		shouldThrow();
152	<	}
212	<	catch (NullPointerException success) {
213	<	}
214	<	catch (Exception ex) {
215	<	unexpectedException();
216	<	}
152	>	} catch (NullPointerException success) {}
153		}
154
155
156		/**
157	<	* submit of a null callable throws NPE
157	>	* submit(null callable) throws NPE
158		*/
159		public void testSubmitNullCallable() {
160		try {
161		ExecutorService e = new DirectExecutorService();
162	<	StringTask t = null;
227	<	Future<String> future = e.submit(t);
162	>	e.submit((Callable) null);
163		shouldThrow();
164	<	}
230	<	catch (NullPointerException success) {
231	<	}
232	<	catch (Exception ex) {
233	<	unexpectedException();
234	<	}
164	>	} catch (NullPointerException success) {}
165		}
166
167		/**
168	<	* submit of Runnable throws RejectedExecutionException if
169	<	* saturated.
168	>	* submit(runnable) throws RejectedExecutionException if
169	>	* executor is saturated.
170		*/
171		public void testExecute1() {
172	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
172	>	ThreadPoolExecutor p =
173	>	new ThreadPoolExecutor(1, 1,
174	>	60, TimeUnit.SECONDS,
175	>	new ArrayBlockingQueue<Runnable>(1));
176		try {
177	<
245	<	for(int i = 0; i < 5; ++i){
177	>	for (int i = 0; i < 2; ++i)
178		p.submit(new MediumRunnable());
179	+	for (int i = 0; i < 2; ++i) {
180	+	try {
181	+	p.submit(new MediumRunnable());
182	+	shouldThrow();
183	+	} catch (RejectedExecutionException success) {}
184		}
185	<	shouldThrow();
186	<	} catch(RejectedExecutionException success){}
187	<	joinPool(p);
185	>	} finally {
186	>	joinPool(p);
187	>	}
188		}
189
190		/**
191	<	* Completed submit of Callable throws RejectedExecutionException
192	<	*  if saturated.
191	>	* submit(callable) throws RejectedExecutionException
192	>	* if executor is saturated.
193		*/
194		public void testExecute2() {
195	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
195	>	ThreadPoolExecutor p =
196	>	new ThreadPoolExecutor(1, 1,
197	>	60, TimeUnit.SECONDS,
198	>	new ArrayBlockingQueue<Runnable>(1));
199		try {
200	<	for(int i = 0; i < 5; ++i) {
201	<	p.submit(new SmallCallable());
200	>	for (int i = 0; i < 2; ++i)
201	>	p.submit(new MediumRunnable());
202	>	for (int i = 0; i < 2; ++i) {
203	>	try {
204	>	p.submit(new SmallCallable());
205	>	shouldThrow();
206	>	} catch (RejectedExecutionException success) {}
207		}
208	<	shouldThrow();
209	<	} catch(RejectedExecutionException e){}
210	<	joinPool(p);
208	>	} finally {
209	>	joinPool(p);
210	>	}
211		}
212
213
214		/**
215	<	*  blocking on submit of Callable throws InterruptedException if
215	>	*  Blocking on submit(callable) throws InterruptedException if
216		*  caller interrupted.
217		*/
218	<	public void testInterruptedSubmit() {
219	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
220	<	Thread t = new Thread(new Runnable() {
221	<	public void run() {
222	<	try {
223	<	p.submit(new Callable<Object>() {
224	<	public Object call() {
225	<	try {
226	<	Thread.sleep(MEDIUM_DELAY_MS);
227	<	shouldThrow();
228	<	} catch(InterruptedException e){
229	<	}
230	<	return null;
231	<	}
232	<	}).get();
288	<	} catch(InterruptedException success){
289	<	} catch(Exception e) {
290	<	unexpectedException();
291	<	}
292	<
293	<	}
294	<	});
295	<	try {
296	<	t.start();
297	<	Thread.sleep(SHORT_DELAY_MS);
298	<	t.interrupt();
299	<	} catch(Exception e){
300	<	unexpectedException();
301	<	}
218	>	public void testInterruptedSubmit() throws InterruptedException {
219	>	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
220	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
221	>	public void realRun() throws Exception {
222	>	p.submit(new CheckedCallable<Object>() {
223	>	public Object realCall()
224	>	throws InterruptedException {
225	>	Thread.sleep(SMALL_DELAY_MS);
226	>	return null;
227	>	}}).get();
228	>	}});
229	>
230	>	t.start();
231	>	Thread.sleep(SHORT_DELAY_MS);
232	>	t.interrupt();
233		joinPool(p);
234		}
235
236		/**
237	<	*  get of submit of Callable throws Exception if callable
237	>	*  get of submitted callable throws InterruptedException if callable
238		*  interrupted
239		*/
240	<	public void testSubmitIE() {
241	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
242	<
243	<	final Callable c = new Callable() {
244	<	public Object call() {
245	<	try {
246	<	p.submit(new SmallCallable()).get();
247	<	shouldThrow();
248	<	} catch(InterruptedException e){}
249	<	catch(RejectedExecutionException e2){}
250	<	catch(ExecutionException e3){}
251	<	return Boolean.TRUE;
252	<	}
253	<	};
254	<
324	<
325	<
326	<	Thread t = new Thread(new Runnable() {
327	<	public void run() {
328	<	try {
329	<	c.call();
330	<	} catch(Exception e){}
331	<	}
332	<	});
333	<	try {
334	<	t.start();
335	<	Thread.sleep(SHORT_DELAY_MS);
336	<	t.interrupt();
337	<	t.join();
338	<	} catch(InterruptedException e){
339	<	unexpectedException();
340	<	}
341	<
240	>	public void testSubmitIE() throws InterruptedException {
241	>	final ThreadPoolExecutor p =
242	>	new ThreadPoolExecutor(1, 1,
243	>	60, TimeUnit.SECONDS,
244	>	new ArrayBlockingQueue<Runnable>(10));
245	>
246	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
247	>	public void realRun() throws Exception {
248	>	p.submit(new SmallCallable()).get();
249	>	}});
250	>
251	>	t.start();
252	>	Thread.sleep(SHORT_DELAY_MS);
253	>	t.interrupt();
254	>	t.join();
255		joinPool(p);
256		}
257
258		/**
259	<	*  completed submit of Callable throws ExecutionException if
260	<	*  callable throws exception
259	>	*  get of submit(callable) throws ExecutionException if callable
260	>	*  throws exception
261		*/
262	<	public void testSubmitEE() {
263	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
262	>	public void testSubmitEE() throws InterruptedException {
263	>	ThreadPoolExecutor p =
264	>	new ThreadPoolExecutor(1, 1,
265	>	60, TimeUnit.SECONDS,
266	>	new ArrayBlockingQueue<Runnable>(10));
267
268	<	try {
269	<	Callable c = new Callable() {
354	<	public Object call() {
355	<	int i = 5/0;
356	<	return Boolean.TRUE;
357	<	}
358	<	};
359	<
360	<	for(int i =0; i < 5; i++){
361	<	p.submit(c).get();
362	<	}
268	>	Callable c = new Callable() {
269	>	public Object call() { return 5/0; }};
270
271	+	try {
272	+	p.submit(c).get();
273		shouldThrow();
274	<	}
275	<	catch(ExecutionException success){
367	<	} catch(Exception e) {
368	<	unexpectedException();
274	>	} catch (ExecutionException success) {
275	>	assertTrue(success.getCause() instanceof ArithmeticException);
276		}
277		joinPool(p);
278		}
#	Line 373 | Line 280 | public class AbstractExecutorServiceTest
280		/**
281		* invokeAny(null) throws NPE
282		*/
283	<	public void testInvokeAny1() {
283	>	public void testInvokeAny1()
284	>	throws InterruptedException, ExecutionException {
285		ExecutorService e = new DirectExecutorService();
286		try {
287		e.invokeAny(null);
288	+	shouldThrow();
289		} catch (NullPointerException success) {
381	–	} catch(Exception ex) {
382	–	unexpectedException();
290		} finally {
291		joinPool(e);
292		}
#	Line 388 | Line 295 | public class AbstractExecutorServiceTest
295		/**
296		* invokeAny(empty collection) throws IAE
297		*/
298	<	public void testInvokeAny2() {
298	>	public void testInvokeAny2()
299	>	throws InterruptedException, ExecutionException {
300		ExecutorService e = new DirectExecutorService();
301		try {
302		e.invokeAny(new ArrayList<Callable<String>>());
303	+	shouldThrow();
304		} catch (IllegalArgumentException success) {
396	–	} catch(Exception ex) {
397	–	unexpectedException();
305		} finally {
306		joinPool(e);
307		}
#	Line 403 | Line 310 | public class AbstractExecutorServiceTest
310		/**
311		* invokeAny(c) throws NPE if c has null elements
312		*/
313	<	public void testInvokeAny3() {
313	>	public void testInvokeAny3() throws Exception {
314		ExecutorService e = new DirectExecutorService();
315	+	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
316	+	l.add(new Callable<Integer>() {
317	+	public Integer call() { return 5/0; }});
318	+	l.add(null);
319		try {
409	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
410	–	l.add(new StringTask());
411	–	l.add(null);
320		e.invokeAny(l);
321	+	shouldThrow();
322		} catch (NullPointerException success) {
414	–	} catch(Exception ex) {
415	–	unexpectedException();
323		} finally {
324		joinPool(e);
325		}
326		}
327
328		/**
329	<	* invokeAny(c) throws ExecutionException if no task completes
329	>	* invokeAny(c) throws ExecutionException if no task in c completes
330		*/
331	<	public void testInvokeAny4() {
331	>	public void testInvokeAny4() throws InterruptedException {
332		ExecutorService e = new DirectExecutorService();
333	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
334	+	l.add(new NPETask());
335		try {
336	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
337	<	l.add(new NPETask());
338	<	List<Future<String>> result = e.invokeAll(l);
339	<	assertEquals(1, result.size());
431	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
432	<	it.next().get();
433	<	} catch(ExecutionException success) {
434	<	} catch(Exception ex) {
435	<	unexpectedException();
336	>	e.invokeAny(l);
337	>	shouldThrow();
338	>	} catch (ExecutionException success) {
339	>	assertTrue(success.getCause() instanceof NullPointerException);
340		} finally {
341		joinPool(e);
342		}
343		}
344
345		/**
346	<	* invokeAny(c) returns result of some task
346	>	* invokeAny(c) returns result of some task in c if at least one completes
347		*/
348	<	public void testInvokeAny5() {
348	>	public void testInvokeAny5() throws Exception {
349		ExecutorService e = new DirectExecutorService();
350		try {
351	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
351	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
352		l.add(new StringTask());
353		l.add(new StringTask());
354		String result = e.invokeAny(l);
355		assertSame(TEST_STRING, result);
452	–	} catch (ExecutionException success) {
453	–	} catch(Exception ex) {
454	–	unexpectedException();
356		} finally {
357		joinPool(e);
358		}
#	Line 460 | Line 361 | public class AbstractExecutorServiceTest
361		/**
362		* invokeAll(null) throws NPE
363		*/
364	<	public void testInvokeAll1() {
364	>	public void testInvokeAll1() throws InterruptedException {
365		ExecutorService e = new DirectExecutorService();
366		try {
367		e.invokeAll(null);
368	+	shouldThrow();
369		} catch (NullPointerException success) {
468	–	} catch(Exception ex) {
469	–	unexpectedException();
370		} finally {
371		joinPool(e);
372		}
#	Line 475 | Line 375 | public class AbstractExecutorServiceTest
375		/**
376		* invokeAll(empty collection) returns empty collection
377		*/
378	<	public void testInvokeAll2() {
378	>	public void testInvokeAll2() throws InterruptedException {
379		ExecutorService e = new DirectExecutorService();
380		try {
381		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
382		assertTrue(r.isEmpty());
483	–	} catch(Exception ex) {
484	–	unexpectedException();
383		} finally {
384		joinPool(e);
385		}
#	Line 490 | Line 388 | public class AbstractExecutorServiceTest
388		/**
389		* invokeAll(c) throws NPE if c has null elements
390		*/
391	<	public void testInvokeAll3() {
391	>	public void testInvokeAll3() throws InterruptedException {
392		ExecutorService e = new DirectExecutorService();
393	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
394	+	l.add(new StringTask());
395	+	l.add(null);
396		try {
496	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
497	–	l.add(new StringTask());
498	–	l.add(null);
397		e.invokeAll(l);
398	+	shouldThrow();
399		} catch (NullPointerException success) {
501	–	} catch(Exception ex) {
502	–	unexpectedException();
400		} finally {
401		joinPool(e);
402		}
403		}
404
405		/**
406	<	* get of element of invokeAll(c) throws exception on failed task
406	>	* get of returned element of invokeAll(c) throws exception on failed task
407		*/
408	<	public void testInvokeAll4() {
408	>	public void testInvokeAll4() throws Exception {
409		ExecutorService e = new DirectExecutorService();
410		try {
411	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
411	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
412		l.add(new NPETask());
413	<	List<Future<String>> result = e.invokeAll(l);
414	<	assertEquals(1, result.size());
415	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
416	<	it.next().get();
417	<	} catch(ExecutionException success) {
418	<	} catch(Exception ex) {
419	<	unexpectedException();
413	>	List<Future<String>> futures = e.invokeAll(l);
414	>	assertEquals(1, futures.size());
415	>	try {
416	>	futures.get(0).get();
417	>	shouldThrow();
418	>	} catch (ExecutionException success) {
419	>	assertTrue(success.getCause() instanceof NullPointerException);
420	>	}
421		} finally {
422		joinPool(e);
423		}
424		}
425
426		/**
427	<	* invokeAll(c) returns results of all completed tasks
427	>	* invokeAll(c) returns results of all completed tasks in c
428		*/
429	<	public void testInvokeAll5() {
429	>	public void testInvokeAll5() throws Exception {
430		ExecutorService e = new DirectExecutorService();
431		try {
432	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
432	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
433		l.add(new StringTask());
434		l.add(new StringTask());
435	<	List<Future<String>> result = e.invokeAll(l);
436	<	assertEquals(2, result.size());
437	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
438	<	assertSame(TEST_STRING, it.next().get());
435	>	List<Future<String>> futures = e.invokeAll(l);
436	>	assertEquals(2, futures.size());
437	>	for (Future<String> future : futures)
438	>	assertSame(TEST_STRING, future.get());
439	>	} finally {
440	>	joinPool(e);
441	>	}
442	>	}
443	>
444	>
445	>	/**
446	>	* timed invokeAny(null) throws NPE
447	>	*/
448	>	public void testTimedInvokeAny1() throws Exception {
449	>	ExecutorService e = new DirectExecutorService();
450	>	try {
451	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
452	>	shouldThrow();
453	>	} catch (NullPointerException success) {
454	>	} finally {
455	>	joinPool(e);
456	>	}
457	>	}
458	>
459	>	/**
460	>	* timed invokeAny(null time unit) throws NPE
461	>	*/
462	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
463	>	ExecutorService e = new DirectExecutorService();
464	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
465	>	l.add(new StringTask());
466	>	try {
467	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
468	>	shouldThrow();
469	>	} catch (NullPointerException success) {
470	>	} finally {
471	>	joinPool(e);
472	>	}
473	>	}
474	>
475	>	/**
476	>	* timed invokeAny(empty collection) throws IAE
477	>	*/
478	>	public void testTimedInvokeAny2() throws Exception {
479	>	ExecutorService e = new DirectExecutorService();
480	>	try {
481	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
482	>	shouldThrow();
483	>	} catch (IllegalArgumentException success) {
484	>	} finally {
485	>	joinPool(e);
486	>	}
487	>	}
488	>
489	>	/**
490	>	* timed invokeAny(c) throws NPE if c has null elements
491	>	*/
492	>	public void testTimedInvokeAny3() throws Exception {
493	>	ExecutorService e = new DirectExecutorService();
494	>	List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
495	>	l.add(new Callable<Integer>() {
496	>	public Integer call() { return 5/0; }});
497	>	l.add(null);
498	>	try {
499	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
500	>	shouldThrow();
501	>	} catch (NullPointerException success) {
502	>	} finally {
503	>	joinPool(e);
504	>	}
505	>	}
506	>
507	>	/**
508	>	* timed invokeAny(c) throws ExecutionException if no task completes
509	>	*/
510	>	public void testTimedInvokeAny4() throws Exception {
511	>	ExecutorService e = new DirectExecutorService();
512	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
513	>	l.add(new NPETask());
514	>	try {
515	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
516	>	shouldThrow();
517		} catch (ExecutionException success) {
518	<	} catch(Exception ex) {
519	<	unexpectedException();
518	>	assertTrue(success.getCause() instanceof NullPointerException);
519	>	} finally {
520	>	joinPool(e);
521	>	}
522	>	}
523	>
524	>	/**
525	>	* timed invokeAny(c) returns result of some task in c
526	>	*/
527	>	public void testTimedInvokeAny5() throws Exception {
528	>	ExecutorService e = new DirectExecutorService();
529	>	try {
530	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
531	>	l.add(new StringTask());
532	>	l.add(new StringTask());
533	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
534	>	assertSame(TEST_STRING, result);
535	>	} finally {
536	>	joinPool(e);
537	>	}
538	>	}
539	>
540	>	/**
541	>	* timed invokeAll(null) throws NPE
542	>	*/
543	>	public void testTimedInvokeAll1() throws InterruptedException {
544	>	ExecutorService e = new DirectExecutorService();
545	>	try {
546	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
547	>	shouldThrow();
548	>	} catch (NullPointerException success) {
549	>	} finally {
550	>	joinPool(e);
551	>	}
552	>	}
553	>
554	>	/**
555	>	* timed invokeAll(null time unit) throws NPE
556	>	*/
557	>	public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
558	>	ExecutorService e = new DirectExecutorService();
559	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
560	>	l.add(new StringTask());
561	>	try {
562	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
563	>	shouldThrow();
564	>	} catch (NullPointerException success) {
565	>	} finally {
566	>	joinPool(e);
567	>	}
568	>	}
569	>
570	>	/**
571	>	* timed invokeAll(empty collection) returns empty collection
572	>	*/
573	>	public void testTimedInvokeAll2() throws InterruptedException {
574	>	ExecutorService e = new DirectExecutorService();
575	>	try {
576	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
577	>	assertTrue(r.isEmpty());
578	>	} finally {
579	>	joinPool(e);
580	>	}
581	>	}
582	>
583	>	/**
584	>	* timed invokeAll(c) throws NPE if c has null elements
585	>	*/
586	>	public void testTimedInvokeAll3() throws InterruptedException {
587	>	ExecutorService e = new DirectExecutorService();
588	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
589	>	l.add(new StringTask());
590	>	l.add(null);
591	>	try {
592	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
593	>	shouldThrow();
594	>	} catch (NullPointerException success) {
595	>	} finally {
596	>	joinPool(e);
597	>	}
598	>	}
599	>
600	>	/**
601	>	* get of returned element of invokeAll(c) throws exception on failed task
602	>	*/
603	>	public void testTimedInvokeAll4() throws Exception {
604	>	ExecutorService e = new DirectExecutorService();
605	>	try {
606	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
607	>	l.add(new NPETask());
608	>	List<Future<String>> futures =
609	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
610	>	assertEquals(1, futures.size());
611	>	try {
612	>	futures.get(0).get();
613	>	shouldThrow();
614	>	} catch (ExecutionException success) {
615	>	assertTrue(success.getCause() instanceof NullPointerException);
616	>	}
617	>	} finally {
618	>	joinPool(e);
619	>	}
620	>	}
621	>
622	>	/**
623	>	* timed invokeAll(c) returns results of all completed tasks in c
624	>	*/
625	>	public void testTimedInvokeAll5() throws Exception {
626	>	ExecutorService e = new DirectExecutorService();
627	>	try {
628	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
629	>	l.add(new StringTask());
630	>	l.add(new StringTask());
631	>	List<Future<String>> futures =
632	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
633	>	assertEquals(2, futures.size());
634	>	for (Future<String> future : futures)
635	>	assertSame(TEST_STRING, future.get());
636	>	} finally {
637	>	joinPool(e);
638	>	}
639	>	}
640	>
641	>	/**
642	>	* timed invokeAll cancels tasks not completed by timeout
643	>	*/
644	>	public void testTimedInvokeAll6() throws InterruptedException {
645	>	ExecutorService e = new DirectExecutorService();
646	>	try {
647	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
648	>	l.add(new StringTask());
649	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
650	>	l.add(new StringTask());
651	>	List<Future<String>> futures =
652	>	e.invokeAll(l, SMALL_DELAY_MS, MILLISECONDS);
653	>	assertEquals(3, futures.size());
654	>	Iterator<Future<String>> it = futures.iterator();
655	>	Future<String> f1 = it.next();
656	>	Future<String> f2 = it.next();
657	>	Future<String> f3 = it.next();
658	>	assertTrue(f1.isDone());
659	>	assertFalse(f1.isCancelled());
660	>	assertTrue(f2.isDone());
661	>	assertTrue(f3.isDone());
662	>	assertTrue(f3.isCancelled());
663		} finally {
664		joinPool(e);
665		}

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