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Comparing jsr166/src/test/tck/AbstractExecutorServiceTest.java (file contents):
Revision 1.3 by dl, Fri Dec 19 14:44:25 2003 UTC vs.
Revision 1.27 by jsr166, Sat Oct 9 19:30:34 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(ExecutorsTest.class);
22 >        return new TestSuite(AbstractExecutorServiceTest.class);
23      }
24  
25 <    /**
25 >    /**
26       * A no-frills implementation of AbstractExecutorService, designed
27 <     * to test the submit/invoke methods only.
27 >     * to test the submit methods only.
28       */
29      static class DirectExecutorService extends AbstractExecutorService {
30          public void execute(Runnable r) { r.run(); }
31          public void shutdown() { shutdown = true; }
32 <        public List<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; }
32 >        public List<Runnable> shutdownNow() {
33 >            shutdown = true;
34 >            return Collections.EMPTY_LIST;
35 >        }
36          public boolean isShutdown() { return shutdown; }
37          public boolean isTerminated() { return isShutdown(); }
38 <        public boolean awaitTermination(long timeout, TimeUnit unit) { return isShutdown(); }
38 >        public boolean awaitTermination(long timeout, TimeUnit unit) {
39 >            return isShutdown();
40 >        }
41          private volatile boolean shutdown = false;
42      }
43  
44 <    private static final String TEST_STRING = "a test string";
45 <
46 <    private static class StringTask implements Callable<String> {
47 <        public String call() { return TEST_STRING; }
44 >    /**
45 >     * execute(runnable) runs it to completion
46 >     */
47 >    public void testExecuteRunnable() throws Exception {
48 >        ExecutorService e = new DirectExecutorService();
49 >        TrackedShortRunnable task = new TrackedShortRunnable();
50 >        assertFalse(task.done);
51 >        Future<?> future = e.submit(task);
52 >        future.get();
53 >        assertTrue(task.done);
54      }
55  
56 +
57      /**
58 <     * execute of runnable runs it to completion
58 >     * Completed submit(callable) returns result
59       */
60 <    public void testExecuteRunnable() {
61 <        try {
62 <            ExecutorService e = new DirectExecutorService();
63 <            TrackedShortRunnable task = new TrackedShortRunnable();
64 <            assertFalse(task.done);
51 <            Future<?> future = e.submit(task, null);
52 <            future.get();
53 <            assertTrue(task.done);
54 <        }
55 <        catch (ExecutionException ex) {
56 <            unexpectedException();
57 <        }
58 <        catch (InterruptedException ex) {
59 <            unexpectedException();
60 <        }
60 >    public void testSubmitCallable() throws Exception {
61 >        ExecutorService e = new DirectExecutorService();
62 >        Future<String> future = e.submit(new StringTask());
63 >        String result = future.get();
64 >        assertSame(TEST_STRING, result);
65      }
66  
67      /**
68 <     * invoke of a runnable runs it to completion
68 >     * Completed submit(runnable) returns successfully
69       */
70 <    public void testInvokeRunnable() {
71 <        try {
72 <            ExecutorService e = new DirectExecutorService();
73 <            TrackedShortRunnable task = new TrackedShortRunnable();
74 <            assertFalse(task.done);
71 <            e.invoke(task);
72 <            assertTrue(task.done);
73 <        }
74 <        catch (ExecutionException ex) {
75 <            unexpectedException();
76 <        }
77 <        catch (InterruptedException ex) {
78 <            unexpectedException();
79 <        }
70 >    public void testSubmitRunnable() throws Exception {
71 >        ExecutorService e = new DirectExecutorService();
72 >        Future<?> future = e.submit(new NoOpRunnable());
73 >        future.get();
74 >        assertTrue(future.isDone());
75      }
76  
77      /**
78 <     * execute of a callable runs it to completion
78 >     * Completed submit(runnable, result) returns result
79       */
80 <    public void testExecuteCallable() {
81 <        try {
82 <            ExecutorService e = new DirectExecutorService();
83 <            Future<String> future = e.submit(new StringTask());
84 <            String result = future.get();
90 <            assertSame(TEST_STRING, result);
91 <        }
92 <        catch (ExecutionException ex) {
93 <            unexpectedException();
94 <        }
95 <        catch (InterruptedException ex) {
96 <            unexpectedException();
97 <        }
80 >    public void testSubmitRunnable2() throws Exception {
81 >        ExecutorService e = new DirectExecutorService();
82 >        Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
83 >        String result = future.get();
84 >        assertSame(TEST_STRING, result);
85      }
86  
87  
88      /**
89 <     * execute of a privileged action runs it to completion
89 >     * A submitted privileged action runs to completion
90       */
91 <    public void testExecutePrivilegedAction() {
92 <        Policy savedPolicy = Policy.getPolicy();
93 <        AdjustablePolicy policy = new AdjustablePolicy();
94 <        policy.addPermission(new RuntimePermission("getContextClassLoader"));
95 <        policy.addPermission(new RuntimePermission("setContextClassLoader"));
109 <        Policy.setPolicy(policy);
110 <        try {
111 <            ExecutorService e = new DirectExecutorService();
112 <            Future future = e.submit(new PrivilegedAction() {
91 >    public void testSubmitPrivilegedAction() throws Exception {
92 >        Runnable r = new CheckedRunnable() {
93 >            public void realRun() throws Exception {
94 >                ExecutorService e = new DirectExecutorService();
95 >                Future future = e.submit(Executors.callable(new PrivilegedAction() {
96                      public Object run() {
97                          return TEST_STRING;
98 <                    }});
98 >                    }}));
99  
100 <            Object result = future.get();
101 <            assertSame(TEST_STRING, result);
102 <        }
103 <        catch (ExecutionException ex) {
104 <            unexpectedException();
105 <        }
106 <        catch (InterruptedException ex) {
124 <            unexpectedException();
125 <        }
126 <        finally {
127 <            Policy.setPolicy(savedPolicy);
128 <        }
100 >                assertSame(TEST_STRING, future.get());
101 >            }};
102 >
103 >        runWithPermissions(r,
104 >                           new RuntimePermission("getClassLoader"),
105 >                           new RuntimePermission("setContextClassLoader"),
106 >                           new RuntimePermission("modifyThread"));
107      }
108  
109      /**
110 <     * execute of a privileged exception action runs it to completion
110 >     * A submitted privileged exception action runs to completion
111       */
112 <    public void testExecutePrivilegedExceptionAction() {
113 <        Policy savedPolicy = Policy.getPolicy();
114 <        AdjustablePolicy policy = new AdjustablePolicy();
115 <        policy.addPermission(new RuntimePermission("getContextClassLoader"));
116 <        policy.addPermission(new RuntimePermission("setContextClassLoader"));
139 <        Policy.setPolicy(policy);
140 <        try {
141 <            ExecutorService e = new DirectExecutorService();
142 <            Future future = e.submit(new PrivilegedExceptionAction() {
112 >    public void testSubmitPrivilegedExceptionAction() throws Exception {
113 >        Runnable r = new CheckedRunnable() {
114 >            public void realRun() throws Exception {
115 >                ExecutorService e = new DirectExecutorService();
116 >                Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
117                      public Object run() {
118                          return TEST_STRING;
119 <                    }});
119 >                    }}));
120  
121 <            Object result = future.get();
122 <            assertSame(TEST_STRING, result);
123 <        }
124 <        catch (ExecutionException ex) {
151 <            unexpectedException();
152 <        }
153 <        catch (InterruptedException ex) {
154 <            unexpectedException();
155 <        }
156 <        finally {
157 <            Policy.setPolicy(savedPolicy);
158 <        }
121 >                assertSame(TEST_STRING, future.get());
122 >            }};
123 >
124 >        runWithPermissions(r);
125      }
126  
127      /**
128 <     * execute of a failed privileged exception action reports exception
128 >     * A submitted failed privileged exception action reports exception
129       */
130 <    public void testExecuteFailedPrivilegedExceptionAction() {
131 <        Policy savedPolicy = Policy.getPolicy();
132 <        AdjustablePolicy policy = new AdjustablePolicy();
133 <        policy.addPermission(new RuntimePermission("getContextClassLoader"));
134 <        policy.addPermission(new RuntimePermission("setContextClassLoader"));
169 <        Policy.setPolicy(policy);
170 <        try {
171 <            ExecutorService e = new DirectExecutorService();
172 <            Future future = e.submit(new PrivilegedExceptionAction() {
130 >    public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
131 >        Runnable r = new CheckedRunnable() {
132 >            public void realRun() throws Exception {
133 >                ExecutorService e = new DirectExecutorService();
134 >                Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
135                      public Object run() throws Exception {
136                          throw new IndexOutOfBoundsException();
137 <                    }});
137 >                    }}));
138 >
139 >                try {
140 >                    future.get();
141 >                    shouldThrow();
142 >                } catch (ExecutionException success) {
143 >                    assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
144 >                }}};
145 >
146 >        runWithPermissions(r);
147 >    }
148  
149 <            Object result = future.get();
149 >    /**
150 >     * execute(null runnable) throws NPE
151 >     */
152 >    public void testExecuteNullRunnable() {
153 >        try {
154 >            ExecutorService e = new DirectExecutorService();
155 >            e.submit((Runnable) null);
156              shouldThrow();
157 <        }
180 <        catch (ExecutionException success) {
181 <        }
182 <        catch (InterruptedException ex) {
183 <            unexpectedException();
184 <        }
185 <        finally {
186 <            Policy.setPolicy(savedPolicy);
187 <        }
157 >        } catch (NullPointerException success) {}
158      }
159  
160 +
161      /**
162 <     * invoke of a collable runs it to completion
162 >     * submit(null callable) throws NPE
163       */
164 <    public void testInvokeCallable() {
164 >    public void testSubmitNullCallable() {
165          try {
166              ExecutorService e = new DirectExecutorService();
167 <            String result = e.invoke(new StringTask());
167 >            e.submit((Callable) null);
168 >            shouldThrow();
169 >        } catch (NullPointerException success) {}
170 >    }
171  
172 <            assertSame(TEST_STRING, result);
172 >    /**
173 >     * submit(runnable) throws RejectedExecutionException if
174 >     * executor is saturated.
175 >     */
176 >    public void testExecute1() {
177 >        ThreadPoolExecutor p =
178 >            new ThreadPoolExecutor(1, 1,
179 >                                   60, TimeUnit.SECONDS,
180 >                                   new ArrayBlockingQueue<Runnable>(1));
181 >        try {
182 >            for (int i = 0; i < 2; ++i)
183 >                p.submit(new MediumRunnable());
184 >            for (int i = 0; i < 2; ++i) {
185 >                try {
186 >                    p.submit(new MediumRunnable());
187 >                    shouldThrow();
188 >                } catch (RejectedExecutionException success) {}
189 >            }
190 >        } finally {
191 >            joinPool(p);
192          }
193 <        catch (ExecutionException ex) {
194 <            unexpectedException();
193 >    }
194 >
195 >    /**
196 >     * submit(callable) throws RejectedExecutionException
197 >     * if executor is saturated.
198 >     */
199 >    public void testExecute2() {
200 >        ThreadPoolExecutor p =
201 >            new ThreadPoolExecutor(1, 1,
202 >                                   60, TimeUnit.SECONDS,
203 >                                   new ArrayBlockingQueue<Runnable>(1));
204 >        try {
205 >            for (int i = 0; i < 2; ++i)
206 >                p.submit(new MediumRunnable());
207 >            for (int i = 0; i < 2; ++i) {
208 >                try {
209 >                    p.submit(new SmallCallable());
210 >                    shouldThrow();
211 >                } catch (RejectedExecutionException success) {}
212 >            }
213 >        } finally {
214 >            joinPool(p);
215          }
216 <        catch (InterruptedException ex) {
217 <            unexpectedException();
216 >    }
217 >
218 >
219 >    /**
220 >     * submit(callable).get() throws InterruptedException if interrupted
221 >     */
222 >    public void testInterruptedSubmit() throws InterruptedException {
223 >        final CountDownLatch submitted    = new CountDownLatch(1);
224 >        final CountDownLatch quittingTime = new CountDownLatch(1);
225 >        final ExecutorService p
226 >            = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS,
227 >                                     new ArrayBlockingQueue<Runnable>(10));
228 >        final Callable<Void> awaiter = new CheckedCallable<Void>() {
229 >            public Void realCall() throws InterruptedException {
230 >                quittingTime.await();
231 >                return null;
232 >            }};
233 >        try {
234 >            Thread t = new Thread(new CheckedInterruptedRunnable() {
235 >                public void realRun() throws Exception {
236 >                    Future<Void> future = p.submit(awaiter);
237 >                    submitted.countDown();
238 >                    future.get();
239 >                }});
240 >            t.start();
241 >            submitted.await();
242 >            t.interrupt();
243 >            t.join();
244 >        } finally {
245 >            quittingTime.countDown();
246 >            joinPool(p);
247          }
248      }
249  
250      /**
251 <     * execute with a null runnable throws NPE
251 >     * get of submitted callable throws InterruptedException if callable
252 >     * interrupted
253       */
254 <    public void testExecuteNullRunnable() {
254 >    public void testSubmitIE() throws InterruptedException {
255 >        final ThreadPoolExecutor p =
256 >            new ThreadPoolExecutor(1, 1,
257 >                                   60, TimeUnit.SECONDS,
258 >                                   new ArrayBlockingQueue<Runnable>(10));
259 >
260 >        Thread t = new Thread(new CheckedInterruptedRunnable() {
261 >            public void realRun() throws Exception {
262 >                p.submit(new SmallCallable()).get();
263 >            }});
264 >
265 >        t.start();
266 >        Thread.sleep(SHORT_DELAY_MS);
267 >        t.interrupt();
268 >        t.join();
269 >        joinPool(p);
270 >    }
271 >
272 >    /**
273 >     * get of submit(callable) throws ExecutionException if callable
274 >     * throws exception
275 >     */
276 >    public void testSubmitEE() throws InterruptedException {
277 >        ThreadPoolExecutor p =
278 >            new ThreadPoolExecutor(1, 1,
279 >                                   60, TimeUnit.SECONDS,
280 >                                   new ArrayBlockingQueue<Runnable>(10));
281 >
282 >        Callable c = new Callable() {
283 >            public Object call() { return 5/0; }};
284 >
285          try {
286 <            ExecutorService e = new DirectExecutorService();
214 <            TrackedShortRunnable task = null;
215 <            Future<?> future = e.submit(task, null);
286 >            p.submit(c).get();
287              shouldThrow();
288 +        } catch (ExecutionException success) {
289 +            assertTrue(success.getCause() instanceof ArithmeticException);
290          }
291 <        catch (NullPointerException success) {
219 <        }
220 <        catch (Exception ex) {
221 <            unexpectedException();
222 <        }
291 >        joinPool(p);
292      }
293  
294      /**
295 <     * invoke of a null runnable throws NPE
295 >     * invokeAny(null) throws NPE
296       */
297 <    public void testInvokeNullRunnable() {
297 >    public void testInvokeAny1()
298 >        throws InterruptedException, ExecutionException {
299 >        ExecutorService e = new DirectExecutorService();
300          try {
301 <            ExecutorService e = new DirectExecutorService();
231 <            TrackedShortRunnable task = null;
232 <            e.invoke(task);
301 >            e.invokeAny(null);
302              shouldThrow();
303 <        }
304 <        catch (NullPointerException success) {
305 <        }
237 <        catch (Exception ex) {
238 <            unexpectedException();
303 >        } catch (NullPointerException success) {
304 >        } finally {
305 >            joinPool(e);
306          }
307      }
308  
309      /**
310 <     * execute of a null callable throws NPE
310 >     * invokeAny(empty collection) throws IAE
311       */
312 <    public void testExecuteNullCallable() {
312 >    public void testInvokeAny2()
313 >        throws InterruptedException, ExecutionException {
314 >        ExecutorService e = new DirectExecutorService();
315          try {
316 <            ExecutorService e = new DirectExecutorService();
248 <            StringTask t = null;
249 <            Future<String> future = e.submit(t);
316 >            e.invokeAny(new ArrayList<Callable<String>>());
317              shouldThrow();
318 <        }
319 <        catch (NullPointerException success) {
320 <        }
254 <        catch (Exception ex) {
255 <            unexpectedException();
318 >        } catch (IllegalArgumentException success) {
319 >        } finally {
320 >            joinPool(e);
321          }
322      }
323  
324      /**
325 <     * invoke of a null callable throws NPE
325 >     * invokeAny(c) throws NPE if c has null elements
326       */
327 <    public void testInvokeNullCallable() {
327 >    public void testInvokeAny3() throws Exception {
328 >        ExecutorService e = new DirectExecutorService();
329 >        List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
330 >        l.add(new Callable<Integer>() {
331 >                  public Integer call() { return 5/0; }});
332 >        l.add(null);
333          try {
334 <            ExecutorService e = new DirectExecutorService();
265 <            StringTask t = null;
266 <            String result = e.invoke(t);
334 >            e.invokeAny(l);
335              shouldThrow();
336 <        }
337 <        catch (NullPointerException success) {
338 <        }
271 <        catch (Exception ex) {
272 <            unexpectedException();
336 >        } catch (NullPointerException success) {
337 >        } finally {
338 >            joinPool(e);
339          }
340      }
341  
342      /**
343 <     *  execute(Executor, Runnable) throws RejectedExecutionException
278 <     *  if saturated.
343 >     * invokeAny(c) throws ExecutionException if no task in c completes
344       */
345 <    public void testExecute1() {
346 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
345 >    public void testInvokeAny4() throws InterruptedException {
346 >        ExecutorService e = new DirectExecutorService();
347 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
348 >        l.add(new NPETask());
349          try {
350 <
284 <            for(int i = 0; i < 5; ++i){
285 <                p.submit(new MediumRunnable(), null);
286 <            }
350 >            e.invokeAny(l);
351              shouldThrow();
352 <        } catch(RejectedExecutionException success){}
353 <        joinPool(p);
352 >        } catch (ExecutionException success) {
353 >            assertTrue(success.getCause() instanceof NullPointerException);
354 >        } finally {
355 >            joinPool(e);
356 >        }
357      }
358  
359      /**
360 <     *  execute(Executor, Callable)throws RejectedExecutionException
294 <     *  if saturated.
360 >     * invokeAny(c) returns result of some task in c if at least one completes
361       */
362 <    public void testExecute2() {
363 <         ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
362 >    public void testInvokeAny5() throws Exception {
363 >        ExecutorService e = new DirectExecutorService();
364          try {
365 <            for(int i = 0; i < 5; ++i) {
366 <                p.submit(new SmallCallable());
367 <            }
365 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
366 >            l.add(new StringTask());
367 >            l.add(new StringTask());
368 >            String result = e.invokeAny(l);
369 >            assertSame(TEST_STRING, result);
370 >        } finally {
371 >            joinPool(e);
372 >        }
373 >    }
374 >
375 >    /**
376 >     * invokeAll(null) throws NPE
377 >     */
378 >    public void testInvokeAll1() throws InterruptedException {
379 >        ExecutorService e = new DirectExecutorService();
380 >        try {
381 >            e.invokeAll(null);
382              shouldThrow();
383 <        } catch(RejectedExecutionException e){}
384 <        joinPool(p);
383 >        } catch (NullPointerException success) {
384 >        } finally {
385 >            joinPool(e);
386 >        }
387      }
388  
389 +    /**
390 +     * invokeAll(empty collection) returns empty collection
391 +     */
392 +    public void testInvokeAll2() throws InterruptedException {
393 +        ExecutorService e = new DirectExecutorService();
394 +        try {
395 +            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
396 +            assertTrue(r.isEmpty());
397 +        } finally {
398 +            joinPool(e);
399 +        }
400 +    }
401  
402      /**
403 <     *  invoke(Executor, Runnable) throws InterruptedException if
310 <     *  caller interrupted.
403 >     * invokeAll(c) throws NPE if c has null elements
404       */
405 <    public void testInterruptedInvoke() {
406 <        final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
407 <        Thread t = new Thread(new Runnable() {
408 <                public void run() {
409 <                    try {
410 <                        p.invoke(new Runnable() {
411 <                                public void run() {
412 <                                    try {
413 <                                        Thread.sleep(MEDIUM_DELAY_MS);
414 <                                        shouldThrow();
415 <                                    } catch(InterruptedException e){
416 <                                    }
417 <                                }
325 <                            });
326 <                    } catch(InterruptedException success){
327 <                    } catch(Exception e) {
328 <                        unexpectedException();
329 <                    }
405 >    public void testInvokeAll3() throws InterruptedException {
406 >        ExecutorService e = new DirectExecutorService();
407 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
408 >        l.add(new StringTask());
409 >        l.add(null);
410 >        try {
411 >            e.invokeAll(l);
412 >            shouldThrow();
413 >        } catch (NullPointerException success) {
414 >        } finally {
415 >            joinPool(e);
416 >        }
417 >    }
418  
419 <                }
420 <            });
419 >    /**
420 >     * get of returned element of invokeAll(c) throws exception on failed task
421 >     */
422 >    public void testInvokeAll4() throws Exception {
423 >        ExecutorService e = new DirectExecutorService();
424          try {
425 <            t.start();
426 <            Thread.sleep(SHORT_DELAY_MS);
427 <            t.interrupt();
428 <        } catch(Exception e){
429 <            unexpectedException();
425 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
426 >            l.add(new NPETask());
427 >            List<Future<String>> futures = e.invokeAll(l);
428 >            assertEquals(1, futures.size());
429 >            try {
430 >                futures.get(0).get();
431 >                shouldThrow();
432 >            } catch (ExecutionException success) {
433 >                assertTrue(success.getCause() instanceof NullPointerException);
434 >            }
435 >        } finally {
436 >            joinPool(e);
437          }
340        joinPool(p);
438      }
439  
440      /**
441 <     *  invoke(Executor, Runnable) throws ExecutionException if
345 <     *  runnable throws exception.
441 >     * invokeAll(c) returns results of all completed tasks in c
442       */
443 <    public void testInvoke3() {
444 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
443 >    public void testInvokeAll5() throws Exception {
444 >        ExecutorService e = new DirectExecutorService();
445          try {
446 <            Runnable r = new Runnable() {
447 <                    public void run() {
448 <                        int i = 5/0;
449 <                    }
450 <                };
446 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
447 >            l.add(new StringTask());
448 >            l.add(new StringTask());
449 >            List<Future<String>> futures = e.invokeAll(l);
450 >            assertEquals(2, futures.size());
451 >            for (Future<String> future : futures)
452 >                assertSame(TEST_STRING, future.get());
453 >        } finally {
454 >            joinPool(e);
455 >        }
456 >    }
457  
356            for(int i =0; i < 5; i++){
357                p.invoke(r);
358            }
458  
459 +    /**
460 +     * timed invokeAny(null) throws NPE
461 +     */
462 +    public void testTimedInvokeAny1() throws Exception {
463 +        ExecutorService e = new DirectExecutorService();
464 +        try {
465 +            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
466              shouldThrow();
467 <        } catch(ExecutionException success){
468 <        } catch(Exception e){
469 <            unexpectedException();
467 >        } catch (NullPointerException success) {
468 >        } finally {
469 >            joinPool(e);
470          }
365        joinPool(p);
471      }
472  
473 <
473 >    /**
474 >     * timed invokeAny(null time unit) throws NPE
475 >     */
476 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
477 >        ExecutorService e = new DirectExecutorService();
478 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
479 >        l.add(new StringTask());
480 >        try {
481 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
482 >            shouldThrow();
483 >        } catch (NullPointerException success) {
484 >        } finally {
485 >            joinPool(e);
486 >        }
487 >    }
488  
489      /**
490 <     *  invoke(Executor, Callable) throws InterruptedException if
372 <     *  callable throws exception
490 >     * timed invokeAny(empty collection) throws IAE
491       */
492 <    public void testInvoke5() {
493 <        final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
492 >    public void testTimedInvokeAny2() throws Exception {
493 >        ExecutorService e = new DirectExecutorService();
494 >        try {
495 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
496 >            shouldThrow();
497 >        } catch (IllegalArgumentException success) {
498 >        } finally {
499 >            joinPool(e);
500 >        }
501 >    }
502  
503 <        final Callable c = new Callable() {
504 <                public Object call() {
505 <                    try {
506 <                        p.invoke(new SmallCallable());
507 <                        shouldThrow();
508 <                    } catch(InterruptedException e){}
509 <                    catch(RejectedExecutionException e2){}
510 <                    catch(ExecutionException e3){}
511 <                    return Boolean.TRUE;
512 <                }
513 <            };
503 >    /**
504 >     * timed invokeAny(c) throws NPE if c has null elements
505 >     */
506 >    public void testTimedInvokeAny3() throws Exception {
507 >        ExecutorService e = new DirectExecutorService();
508 >        List<Callable<Integer>> l = new ArrayList<Callable<Integer>>();
509 >        l.add(new Callable<Integer>() {
510 >                  public Integer call() { return 5/0; }});
511 >        l.add(null);
512 >        try {
513 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
514 >            shouldThrow();
515 >        } catch (NullPointerException success) {
516 >        } finally {
517 >            joinPool(e);
518 >        }
519 >    }
520  
521 +    /**
522 +     * timed invokeAny(c) throws ExecutionException if no task completes
523 +     */
524 +    public void testTimedInvokeAny4() throws Exception {
525 +        ExecutorService e = new DirectExecutorService();
526 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
527 +        l.add(new NPETask());
528 +        try {
529 +            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
530 +            shouldThrow();
531 +        } catch (ExecutionException success) {
532 +            assertTrue(success.getCause() instanceof NullPointerException);
533 +        } finally {
534 +            joinPool(e);
535 +        }
536 +    }
537  
538 +    /**
539 +     * timed invokeAny(c) returns result of some task in c
540 +     */
541 +    public void testTimedInvokeAny5() throws Exception {
542 +        ExecutorService e = new DirectExecutorService();
543 +        try {
544 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
545 +            l.add(new StringTask());
546 +            l.add(new StringTask());
547 +            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
548 +            assertSame(TEST_STRING, result);
549 +        } finally {
550 +            joinPool(e);
551 +        }
552 +    }
553  
554 <        Thread t = new Thread(new Runnable() {
555 <                public void run() {
556 <                    try {
557 <                        c.call();
558 <                    } catch(Exception e){}
396 <                }
397 <          });
554 >    /**
555 >     * timed invokeAll(null) throws NPE
556 >     */
557 >    public void testTimedInvokeAll1() throws InterruptedException {
558 >        ExecutorService e = new DirectExecutorService();
559          try {
560 <            t.start();
561 <            Thread.sleep(SHORT_DELAY_MS);
562 <            t.interrupt();
563 <            t.join();
564 <        } catch(InterruptedException e){
404 <            unexpectedException();
560 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
561 >            shouldThrow();
562 >        } catch (NullPointerException success) {
563 >        } finally {
564 >            joinPool(e);
565          }
566 +    }
567  
568 <        joinPool(p);
568 >    /**
569 >     * timed invokeAll(null time unit) throws NPE
570 >     */
571 >    public void testTimedInvokeAllNullTimeUnit() throws InterruptedException {
572 >        ExecutorService e = new DirectExecutorService();
573 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
574 >        l.add(new StringTask());
575 >        try {
576 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
577 >            shouldThrow();
578 >        } catch (NullPointerException success) {
579 >        } finally {
580 >            joinPool(e);
581 >        }
582      }
583  
584      /**
585 <     *  invoke(Executor, Callable) will throw ExecutionException
412 <     *  if callable throws exception
585 >     * timed invokeAll(empty collection) returns empty collection
586       */
587 <    public void testInvoke6() {
588 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
587 >    public void testTimedInvokeAll2() throws InterruptedException {
588 >        ExecutorService e = new DirectExecutorService();
589 >        try {
590 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
591 >            assertTrue(r.isEmpty());
592 >        } finally {
593 >            joinPool(e);
594 >        }
595 >    }
596  
597 +    /**
598 +     * timed invokeAll(c) throws NPE if c has null elements
599 +     */
600 +    public void testTimedInvokeAll3() throws InterruptedException {
601 +        ExecutorService e = new DirectExecutorService();
602 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
603 +        l.add(new StringTask());
604 +        l.add(null);
605          try {
606 <            Callable c = new Callable() {
607 <                    public Object call() {
608 <                        int i = 5/0;
609 <                        return Boolean.TRUE;
610 <                    }
611 <                };
606 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
607 >            shouldThrow();
608 >        } catch (NullPointerException success) {
609 >        } finally {
610 >            joinPool(e);
611 >        }
612 >    }
613  
614 <            for(int i =0; i < 5; i++){
615 <                p.invoke(c);
614 >    /**
615 >     * get of returned element of invokeAll(c) throws exception on failed task
616 >     */
617 >    public void testTimedInvokeAll4() throws Exception {
618 >        ExecutorService e = new DirectExecutorService();
619 >        try {
620 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
621 >            l.add(new NPETask());
622 >            List<Future<String>> futures =
623 >                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
624 >            assertEquals(1, futures.size());
625 >            try {
626 >                futures.get(0).get();
627 >                shouldThrow();
628 >            } catch (ExecutionException success) {
629 >                assertTrue(success.getCause() instanceof NullPointerException);
630              }
631 +        } finally {
632 +            joinPool(e);
633 +        }
634 +    }
635  
636 <            shouldThrow();
636 >    /**
637 >     * timed invokeAll(c) returns results of all completed tasks in c
638 >     */
639 >    public void testTimedInvokeAll5() throws Exception {
640 >        ExecutorService e = new DirectExecutorService();
641 >        try {
642 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
643 >            l.add(new StringTask());
644 >            l.add(new StringTask());
645 >            List<Future<String>> futures =
646 >                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
647 >            assertEquals(2, futures.size());
648 >            for (Future<String> future : futures)
649 >                assertSame(TEST_STRING, future.get());
650 >        } finally {
651 >            joinPool(e);
652          }
653 <        catch(ExecutionException success){
654 <        } catch(Exception e) {
655 <            unexpectedException();
653 >    }
654 >
655 >    /**
656 >     * timed invokeAll cancels tasks not completed by timeout
657 >     */
658 >    public void testTimedInvokeAll6() throws InterruptedException {
659 >        ExecutorService e = new DirectExecutorService();
660 >        try {
661 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
662 >            l.add(new StringTask());
663 >            l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
664 >            l.add(new StringTask());
665 >            List<Future<String>> futures =
666 >                e.invokeAll(l, SMALL_DELAY_MS, MILLISECONDS);
667 >            assertEquals(3, futures.size());
668 >            Iterator<Future<String>> it = futures.iterator();
669 >            Future<String> f1 = it.next();
670 >            Future<String> f2 = it.next();
671 >            Future<String> f3 = it.next();
672 >            assertTrue(f1.isDone());
673 >            assertFalse(f1.isCancelled());
674 >            assertTrue(f2.isDone());
675 >            assertTrue(f3.isDone());
676 >            assertTrue(f3.isCancelled());
677 >        } finally {
678 >            joinPool(e);
679          }
435        joinPool(p);
680      }
681  
682   }

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