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Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.4 by dl, Sun Sep 14 20:42:40 2003 UTC vs.
Revision 1.19 by dl, Thu Jan 22 14:07:50 2004 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/licenses/publicdomain
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9   import junit.framework.*;
10   import java.util.*;
11   import java.util.concurrent.*;
12 + import java.util.concurrent.atomic.*;
13  
14   public class ScheduledExecutorTest extends JSR166TestCase {
15      public static void main(String[] args) {
# Line 17 | Line 19 | public class ScheduledExecutorTest exten
19          return new TestSuite(ScheduledExecutorTest.class);
20      }
21  
20    static class MyRunnable implements Runnable {
21        volatile boolean done = false;
22        public void run(){
23            try{
24                Thread.sleep(SMALL_DELAY_MS);
25                done = true;
26            } catch(Exception e){
27            }
28        }
29    }
30
31    static class MyCallable implements Callable {
32        volatile boolean done = false;
33        public Object call(){
34            try{
35                Thread.sleep(SMALL_DELAY_MS);
36                done = true;
37            }catch(Exception e){}
38            return Boolean.TRUE;
39        }
40    }
22  
23 <    public void testExecute(){
24 <        try{
25 <            MyRunnable runnable =new MyRunnable();
26 <            ScheduledExecutor one = new ScheduledExecutor(1);
27 <            one.execute(runnable);
23 >    /**
24 >     * execute successfully executes a runnable
25 >     */
26 >    public void testExecute() {
27 >        try {
28 >            TrackedShortRunnable runnable =new TrackedShortRunnable();
29 >            ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
30 >            p1.execute(runnable);
31              assertFalse(runnable.done);
32              Thread.sleep(SHORT_DELAY_MS);
33 <            one.shutdown();
34 <            try{
33 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
34 >            try {
35                  Thread.sleep(MEDIUM_DELAY_MS);
36              } catch(InterruptedException e){
37 <                fail("unexpected exception");
37 >                unexpectedException();
38              }
39              assertTrue(runnable.done);
40 <            one.shutdown();
41 <            joinPool(one);
40 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
41 >            joinPool(p1);
42          }
43          catch(Exception e){
44 <            fail("unexpected exception");
44 >            unexpectedException();
45          }
46          
47      }
48  
49 <    public void testSchedule1(){
50 <        try{
51 <            MyCallable callable = new MyCallable();
52 <            ScheduledExecutor one = new ScheduledExecutor(1);
53 <            Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
49 >
50 >    /**
51 >     * delayed schedule of callable successfully executes after delay
52 >     */
53 >    public void testSchedule1() {
54 >        try {
55 >            TrackedCallable callable = new TrackedCallable();
56 >            ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
57 >            Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
58              assertFalse(callable.done);
59              Thread.sleep(MEDIUM_DELAY_MS);
60              assertTrue(callable.done);
61              assertEquals(Boolean.TRUE, f.get());
62 <            one.shutdown();
63 <            joinPool(one);
64 <        }catch(RejectedExecutionException e){}
62 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
63 >            joinPool(p1);
64 >        } catch(RejectedExecutionException e){}
65          catch(Exception e){
66 <            fail("unexpected exception");
66 >            e.printStackTrace();
67 >            unexpectedException();
68          }
69      }
70  
71      /**
72 <     *  Another version of schedule, only using Runnable instead of Callable
72 >     *  delayed schedule of runnable successfully executes after delay
73       */
74 <    public void testSchedule3(){
75 <        try{
76 <            MyRunnable runnable = new MyRunnable();
77 <            ScheduledExecutor one = new ScheduledExecutor(1);
78 <            one.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
74 >    public void testSchedule3() {
75 >        try {
76 >            TrackedShortRunnable runnable = new TrackedShortRunnable();
77 >            ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
78 >            p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
79              Thread.sleep(SHORT_DELAY_MS);
80              assertFalse(runnable.done);
81              Thread.sleep(MEDIUM_DELAY_MS);
82              assertTrue(runnable.done);
83 <            one.shutdown();
84 <            joinPool(one);
83 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
84 >            joinPool(p1);
85          } catch(Exception e){
86 <            fail("unexpected exception");
86 >            unexpectedException();
87          }
88      }
89      
90      /**
91 <     *  The final version of schedule, using both long, TimeUnit and Runnable
91 >     * scheduleAtFixedRate executes runnable after given initial delay
92 >     */
93 >    public void testSchedule4() {
94 >        try {
95 >            TrackedShortRunnable runnable = new TrackedShortRunnable();
96 >            ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
97 >            ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
98 >            assertFalse(runnable.done);
99 >            Thread.sleep(MEDIUM_DELAY_MS);
100 >            assertTrue(runnable.done);
101 >            h.cancel(true);
102 >            joinPool(p1);
103 >        } catch(Exception e){
104 >            unexpectedException();
105 >        }
106 >    }
107 >
108 >    static class RunnableCounter implements Runnable {
109 >        AtomicInteger count = new AtomicInteger(0);
110 >        public void run() { count.getAndIncrement(); }
111 >    }
112 >
113 >    /**
114 >     * scheduleWithFixedDelay executes runnable after given initial delay
115       */
116 <    public void testSchedule4(){
117 <        try{
118 <            MyRunnable runnable = new MyRunnable();
119 <            ScheduledExecutor one = new ScheduledExecutor(1);
120 <            one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
116 >    public void testSchedule5() {
117 >        try {
118 >            TrackedShortRunnable runnable = new TrackedShortRunnable();
119 >            ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
120 >            ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
121              assertFalse(runnable.done);
122              Thread.sleep(MEDIUM_DELAY_MS);
123              assertTrue(runnable.done);
124 <            one.shutdown();
125 <            joinPool(one);
124 >            h.cancel(true);
125 >            joinPool(p1);
126          } catch(Exception e){
127 <            fail("unexpected exception");
127 >            unexpectedException();
128          }
129      }
130      
131 <  
132 <    // exception tests
131 >    /**
132 >     * scheduleAtFixedRate executes series of tasks at given rate
133 >     */
134 >    public void testFixedRateSequence() {
135 >        try {
136 >            ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
137 >            RunnableCounter counter = new RunnableCounter();
138 >            ScheduledFuture h =
139 >                p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
140 >            Thread.sleep(SMALL_DELAY_MS);
141 >            h.cancel(true);
142 >            int c = counter.count.get();
143 >            // By time scaling conventions, we must have at least
144 >            // an execution per SHORT delay, but no more than one SHORT more
145 >            assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
146 >            assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
147 >            assertTrue(h.isDone());
148 >            joinPool(p1);
149 >        } catch(Exception e){
150 >            unexpectedException();
151 >        }
152 >    }
153 >
154 >    /**
155 >     * scheduleWithFixedDelay executes series of tasks with given period
156 >     */
157 >    public void testFixedDelaySequence() {
158 >        try {
159 >            ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
160 >            RunnableCounter counter = new RunnableCounter();
161 >            ScheduledFuture h =
162 >                p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
163 >            Thread.sleep(SMALL_DELAY_MS);
164 >            h.cancel(true);
165 >            int c = counter.count.get();
166 >            assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
167 >            assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
168 >            assertTrue(h.isDone());
169 >            joinPool(p1);
170 >        } catch(Exception e){
171 >            unexpectedException();
172 >        }
173 >    }
174 >
175 >
176 >    /**
177 >     *  execute (null) throws NPE
178 >     */
179 >    public void testExecuteNull() {
180 >        ScheduledThreadPoolExecutor se = null;
181 >        try {
182 >            se = new ScheduledThreadPoolExecutor(1);
183 >            se.execute(null);
184 >            shouldThrow();
185 >        } catch(NullPointerException success){}
186 >        catch(Exception e){
187 >            unexpectedException();
188 >        }
189 >        
190 >        joinPool(se);
191 >    }
192  
193      /**
194 <     *   schedule(Runnable, long) throws RejectedExecutionException
124 <     *  This occurs on an attempt to schedule a task on a shutdown executor
194 >     * schedule (null) throws NPE
195       */
196 <    public void testSchedule1_RejectedExecutionException(){
197 <        ScheduledExecutor se = new ScheduledExecutor(1);
198 <        try{
196 >    public void testScheduleNull() {
197 >        ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
198 >        try {
199 >            TrackedCallable callable = null;
200 >            Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
201 >            shouldThrow();
202 >        } catch(NullPointerException success){}
203 >        catch(Exception e){
204 >            unexpectedException();
205 >        }
206 >        joinPool(se);
207 >    }
208 >  
209 >    /**
210 >     * execute throws RejectedExecutionException if shutdown
211 >     */
212 >    public void testSchedule1_RejectedExecutionException() {
213 >        ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
214 >        try {
215              se.shutdown();
216              se.schedule(new NoOpRunnable(),
217                          MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
218 <            fail("shoud throw");
218 >            shouldThrow();
219          } catch(RejectedExecutionException success){
220 +        } catch (SecurityException ok) {
221          }
222 +        
223          joinPool(se);
224  
225      }
226  
227      /**
228 <     *   schedule(Callable, long, TimeUnit) throws RejectedExecutionException
141 <     *  This occurs on an attempt to schedule a task on a shutdown executor
228 >     * schedule throws RejectedExecutionException if shutdown
229       */
230 <    public void testSchedule2_RejectedExecutionException(){
231 <        ScheduledExecutor se = new ScheduledExecutor(1);
232 <        try{
230 >    public void testSchedule2_RejectedExecutionException() {
231 >        ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
232 >        try {
233              se.shutdown();
234              se.schedule(new NoOpCallable(),
235                          MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
236 <            fail("should throw");
236 >            shouldThrow();
237          } catch(RejectedExecutionException success){
238 +        } catch (SecurityException ok) {
239          }
240          joinPool(se);
241      }
242  
243      /**
244 <     *   schedule(Callable, long) throws RejectedExecutionException
157 <     *  This occurs on an attempt to schedule a task on a shutdown executor
244 >     * schedule callable throws RejectedExecutionException if shutdown
245       */
246 <     public void testSchedule3_RejectedExecutionException(){
247 <         ScheduledExecutor se = new ScheduledExecutor(1);
248 <         try{
246 >     public void testSchedule3_RejectedExecutionException() {
247 >         ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
248 >         try {
249              se.shutdown();
250              se.schedule(new NoOpCallable(),
251                          MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
252 <            fail("should throw");
252 >            shouldThrow();
253          } catch(RejectedExecutionException success){
254 <        }
254 >        } catch (SecurityException ok) {
255 >        }
256           joinPool(se);
257      }
258  
259      /**
260 <     *   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
261 <     *  RejectedExecutionException.
262 <     *  This occurs on an attempt to schedule a task on a shutdown executor
263 <     */
264 <    public void testScheduleAtFixedRate1_RejectedExecutionException(){
177 <        ScheduledExecutor se = new ScheduledExecutor(1);
178 <        try{
260 >     *  scheduleAtFixedRate throws RejectedExecutionException if shutdown
261 >     */
262 >    public void testScheduleAtFixedRate1_RejectedExecutionException() {
263 >        ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
264 >        try {
265              se.shutdown();
266              se.scheduleAtFixedRate(new NoOpRunnable(),
267                                     MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
268 <            fail("should throw");
268 >            shouldThrow();
269          } catch(RejectedExecutionException success){
270 +        } catch (SecurityException ok) {
271          }
272          joinPool(se);
273      }
274      
275      /**
276 <     *   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
277 <     *  RejectedExecutionException.
278 <     *  This occurs on an attempt to schedule a task on a shutdown executor
279 <     */
280 <    public void testScheduleAtFixedRate2_RejectedExecutionException(){
194 <        ScheduledExecutor se = new ScheduledExecutor(1);
195 <        try{
196 <            se.shutdown();
197 <            se.scheduleAtFixedRate(new NoOpRunnable(),
198 <                                   1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
199 <            fail("should throw");
200 <        } catch(RejectedExecutionException success){
201 <        }
202 <        joinPool(se);
203 <    }
204 <
205 <    /**
206 <     *   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
207 <     *  RejectedExecutionException.
208 <     *  This occurs on an attempt to schedule a task on a shutdown executor
209 <     */
210 <    public void testScheduleWithFixedDelay1_RejectedExecutionException(){
211 <        ScheduledExecutor se = new ScheduledExecutor(1);
212 <        try{
276 >     * scheduleWithFixedDelay throws RejectedExecutionException if shutdown
277 >     */
278 >    public void testScheduleWithFixedDelay1_RejectedExecutionException() {
279 >        ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
280 >        try {
281              se.shutdown();
282              se.scheduleWithFixedDelay(new NoOpRunnable(),
283                                        MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
284 <            fail("should throw");
217 <        } catch(RejectedExecutionException success){
218 <        }
219 <        joinPool(se);
220 <    }
221 <
222 <    /**
223 <     *   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
224 <     *  RejectedExecutionException.
225 <     *  This occurs on an attempt to schedule a task on a shutdown executor
226 <     */
227 <     public void testScheduleWithFixedDelay2_RejectedExecutionException(){
228 <         ScheduledExecutor se = new ScheduledExecutor(1);
229 <        try{
230 <            se.shutdown();
231 <            se.scheduleWithFixedDelay(new NoOpRunnable(),
232 <                                      1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
233 <            fail("should throw");
284 >            shouldThrow();
285          } catch(RejectedExecutionException success){
286 +        } catch (SecurityException ok) {
287          }
288          joinPool(se);
289      }
290  
291      /**
292 <     *   execute throws RejectedExecutionException
293 <     *  This occurs on an attempt to schedule a task on a shutdown executor
292 >     *  getActiveCount increases but doesn't overestimate, when a
293 >     *  thread becomes active
294       */
295 <    public void testExecute_RejectedExecutionException(){
296 <        ScheduledExecutor se = new ScheduledExecutor(1);
297 <        try{
298 <            se.shutdown();
299 <            se.execute(new NoOpRunnable());
248 <            fail("should throw");
249 <        } catch(RejectedExecutionException success){
250 <        }
251 <        joinPool(se);
252 <    }
253 <
254 <    /**
255 <     *   getActiveCount gives correct values
256 <     */
257 <    public void testGetActiveCount(){
258 <        ScheduledExecutor two = new ScheduledExecutor(2);
259 <        assertEquals(0, two.getActiveCount());
260 <        two.execute(new SmallRunnable());
261 <        try{
295 >    public void testGetActiveCount() {
296 >        ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
297 >        assertEquals(0, p2.getActiveCount());
298 >        p2.execute(new SmallRunnable());
299 >        try {
300              Thread.sleep(SHORT_DELAY_MS);
301          } catch(Exception e){
302 <            fail("unexpected exception");
302 >            unexpectedException();
303          }
304 <        assertEquals(1, two.getActiveCount());
305 <        joinPool(two);
304 >        assertEquals(1, p2.getActiveCount());
305 >        joinPool(p2);
306      }
307      
308      /**
309 <     *   getCompleteTaskCount gives correct values
309 >     *    getCompletedTaskCount increases, but doesn't overestimate,
310 >     *   when tasks complete
311       */
312 <    public void testGetCompletedTaskCount(){
313 <        ScheduledExecutor two = new ScheduledExecutor(2);
314 <        assertEquals(0, two.getCompletedTaskCount());
315 <        two.execute(new SmallRunnable());
316 <        try{
312 >    public void testGetCompletedTaskCount() {
313 >        ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
314 >        assertEquals(0, p2.getCompletedTaskCount());
315 >        p2.execute(new SmallRunnable());
316 >        try {
317              Thread.sleep(MEDIUM_DELAY_MS);
318          } catch(Exception e){
319 <            fail("unexpected exception");
319 >            unexpectedException();
320          }
321 <        assertEquals(1, two.getCompletedTaskCount());
322 <        joinPool(two);
321 >        assertEquals(1, p2.getCompletedTaskCount());
322 >        joinPool(p2);
323      }
324      
325      /**
326 <     *   getCorePoolSize gives correct values
326 >     *  getCorePoolSize returns size given in constructor if not otherwise set
327       */
328 <    public void testGetCorePoolSize(){
329 <        ScheduledExecutor one = new ScheduledExecutor(1);
330 <        assertEquals(1, one.getCorePoolSize());
331 <        joinPool(one);
328 >    public void testGetCorePoolSize() {
329 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
330 >        assertEquals(1, p1.getCorePoolSize());
331 >        joinPool(p1);
332      }
333      
334      /**
335 <     *   getLargestPoolSize gives correct values
335 >     *    getLargestPoolSize increases, but doesn't overestimate, when
336 >     *   multiple threads active
337       */
338 <    public void testGetLargestPoolSize(){
339 <        ScheduledExecutor two = new ScheduledExecutor(2);
340 <        assertEquals(0, two.getLargestPoolSize());
341 <        two.execute(new SmallRunnable());
342 <        two.execute(new SmallRunnable());
343 <        try{
338 >    public void testGetLargestPoolSize() {
339 >        ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
340 >        assertEquals(0, p2.getLargestPoolSize());
341 >        p2.execute(new SmallRunnable());
342 >        p2.execute(new SmallRunnable());
343 >        try {
344              Thread.sleep(SHORT_DELAY_MS);
345          } catch(Exception e){
346 <            fail("unexpected exception");
346 >            unexpectedException();
347          }
348 <        assertEquals(2, two.getLargestPoolSize());
349 <        joinPool(two);
348 >        assertEquals(2, p2.getLargestPoolSize());
349 >        joinPool(p2);
350      }
351      
352      /**
353 <     *   getPoolSize gives correct values
353 >     *   getPoolSize increases, but doesn't overestimate, when threads
354 >     *   become active
355       */
356 <    public void testGetPoolSize(){
357 <        ScheduledExecutor one = new ScheduledExecutor(1);
358 <        assertEquals(0, one.getPoolSize());
359 <        one.execute(new SmallRunnable());
360 <        assertEquals(1, one.getPoolSize());
361 <        joinPool(one);
356 >    public void testGetPoolSize() {
357 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
358 >        assertEquals(0, p1.getPoolSize());
359 >        p1.execute(new SmallRunnable());
360 >        assertEquals(1, p1.getPoolSize());
361 >        joinPool(p1);
362      }
363      
364      /**
365 <     *   getTaskCount gives correct values
365 >     *    getTaskCount increases, but doesn't overestimate, when tasks
366 >     *    submitted
367       */
368 <    public void testGetTaskCount(){
369 <        ScheduledExecutor one = new ScheduledExecutor(1);
370 <        assertEquals(0, one.getTaskCount());
368 >    public void testGetTaskCount() {
369 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
370 >        assertEquals(0, p1.getTaskCount());
371          for(int i = 0; i < 5; i++)
372 <            one.execute(new SmallRunnable());
373 <        try{
372 >            p1.execute(new SmallRunnable());
373 >        try {
374              Thread.sleep(SHORT_DELAY_MS);
375          } catch(Exception e){
376 <            fail("unexpected exception");
376 >            unexpectedException();
377 >        }
378 >        assertEquals(5, p1.getTaskCount());
379 >        joinPool(p1);
380 >    }
381 >
382 >    /**
383 >     * getThreadFactory returns factory in constructor if not set
384 >     */
385 >    public void testGetThreadFactory() {
386 >        ThreadFactory tf = new SimpleThreadFactory();
387 >        ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
388 >        assertSame(tf, p.getThreadFactory());
389 >        joinPool(p);
390 >    }
391 >
392 >    /**
393 >     * setThreadFactory sets the thread factory returned by getThreadFactory
394 >     */
395 >    public void testSetThreadFactory() {
396 >        ThreadFactory tf = new SimpleThreadFactory();
397 >        ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
398 >        p.setThreadFactory(tf);
399 >        assertSame(tf, p.getThreadFactory());
400 >        joinPool(p);
401 >    }
402 >
403 >    /**
404 >     * setThreadFactory(null) throws NPE
405 >     */
406 >    public void testSetThreadFactoryNull() {
407 >        ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
408 >        try {
409 >            p.setThreadFactory(null);
410 >            shouldThrow();
411 >        } catch (NullPointerException success) {
412 >        } finally {
413 >            joinPool(p);
414          }
336        assertEquals(5, one.getTaskCount());
337        joinPool(one);
415      }
416      
417      /**
418 <     *   isShutDown gives correct values
418 >     *   is isShutDown is false before shutdown, true after
419       */
420 <    public void testIsShutdown(){
420 >    public void testIsShutdown() {
421          
422 <        ScheduledExecutor one = new ScheduledExecutor(1);
422 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
423          try {
424 <            assertFalse(one.isShutdown());
424 >            assertFalse(p1.isShutdown());
425          }
426          finally {
427 <            one.shutdown();
427 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
428          }
429 <        assertTrue(one.isShutdown());
429 >        assertTrue(p1.isShutdown());
430      }
431  
432          
433      /**
434 <     *   isTerminated gives correct values
435 <     *  Makes sure termination does not take an innapropriate
436 <     *  amount of time
434 >     *   isTerminated is false before termination, true after
435 >     */
436 >    public void testIsTerminated() {
437 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
438 >        try {
439 >            p1.execute(new SmallRunnable());
440 >        } finally {
441 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
442 >        }
443 >        try {
444 >            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
445 >            assertTrue(p1.isTerminated());
446 >        } catch(Exception e){
447 >            unexpectedException();
448 >        }      
449 >    }
450 >
451 >    /**
452 >     *  isTerminating is not true when running or when terminated
453       */
454 <    public void testIsTerminated(){
455 <        ScheduledExecutor one = new ScheduledExecutor(1);
454 >    public void testIsTerminating() {
455 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
456 >        assertFalse(p1.isTerminating());
457          try {
458 <            one.execute(new SmallRunnable());
458 >            p1.execute(new SmallRunnable());
459 >            assertFalse(p1.isTerminating());
460          } finally {
461 <            one.shutdown();
461 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
462          }
463          try {
464 <            assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
465 <            assertTrue(one.isTerminated());
464 >            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
465 >            assertTrue(p1.isTerminated());
466 >            assertFalse(p1.isTerminating());
467          } catch(Exception e){
468 <            fail("unexpected exception");
468 >            unexpectedException();
469          }      
470      }
471  
472      /**
473 <     *   that purge correctly removes cancelled tasks
378 <     *  from the queue
473 >     * getQueue returns the work queue, which contains queued tasks
474       */
475 <    public void testPurge(){
476 <        ScheduledExecutor one = new ScheduledExecutor(1);
477 <        ScheduledCancellable[] tasks = new ScheduledCancellable[5];
475 >    public void testGetQueue() {
476 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
477 >        ScheduledFuture[] tasks = new ScheduledFuture[5];
478          for(int i = 0; i < 5; i++){
479 <            tasks[i] = one.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
479 >            tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
480 >        }
481 >        try {
482 >            Thread.sleep(SHORT_DELAY_MS);
483 >            BlockingQueue<Runnable> q = p1.getQueue();
484 >            assertTrue(q.contains(tasks[4]));
485 >            assertFalse(q.contains(tasks[0]));
486 >        } catch(Exception e) {
487 >            unexpectedException();
488 >        } finally {
489 >            joinPool(p1);
490          }
386        int max = 5;
387        if (tasks[4].cancel(true)) --max;
388        if (tasks[3].cancel(true)) --max;
389        one.purge();
390        long count = one.getTaskCount();
391        assertTrue(count > 0 && count <= max);
392        joinPool(one);
491      }
492  
493      /**
494 <     *   shutDownNow returns a list
397 <     *  containing the correct number of elements
494 >     * remove(task) removes queued task, and fails to remove active task
495       */
496 <    public void testShutDownNow(){
497 <        ScheduledExecutor one = new ScheduledExecutor(1);
496 >    public void testRemove() {
497 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
498 >        ScheduledFuture[] tasks = new ScheduledFuture[5];
499 >        for(int i = 0; i < 5; i++){
500 >            tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
501 >        }
502 >        try {
503 >            Thread.sleep(SHORT_DELAY_MS);
504 >            BlockingQueue<Runnable> q = p1.getQueue();
505 >            assertFalse(p1.remove((Runnable)tasks[0]));
506 >            assertTrue(q.contains((Runnable)tasks[4]));
507 >            assertTrue(q.contains((Runnable)tasks[3]));
508 >            assertTrue(p1.remove((Runnable)tasks[4]));
509 >            assertFalse(p1.remove((Runnable)tasks[4]));
510 >            assertFalse(q.contains((Runnable)tasks[4]));
511 >            assertTrue(q.contains((Runnable)tasks[3]));
512 >            assertTrue(p1.remove((Runnable)tasks[3]));
513 >            assertFalse(q.contains((Runnable)tasks[3]));
514 >        } catch(Exception e) {
515 >            unexpectedException();
516 >        } finally {
517 >            joinPool(p1);
518 >        }
519 >    }
520 >
521 >    /**
522 >     *  purge removes cancelled tasks from the queue
523 >     */
524 >    public void testPurge() {
525 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
526 >        ScheduledFuture[] tasks = new ScheduledFuture[5];
527 >        for(int i = 0; i < 5; i++){
528 >            tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
529 >        }
530 >        try {
531 >            int max = 5;
532 >            if (tasks[4].cancel(true)) --max;
533 >            if (tasks[3].cancel(true)) --max;
534 >            // There must eventually be an interference-free point at
535 >            // which purge will not fail. (At worst, when queue is empty.)
536 >            int k;
537 >            for (k = 0; k < SMALL_DELAY_MS; ++k) {
538 >                p1.purge();
539 >                long count = p1.getTaskCount();
540 >                if (count >= 0 && count <= max)
541 >                    break;
542 >                Thread.sleep(1);
543 >            }
544 >            assertTrue(k < SMALL_DELAY_MS);
545 >        } catch(Exception e) {
546 >            unexpectedException();
547 >        } finally {
548 >            joinPool(p1);
549 >        }
550 >    }
551 >
552 >    /**
553 >     *  shutDownNow returns a list containing tasks that were not run
554 >     */
555 >    public void testShutDownNow() {
556 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
557          for(int i = 0; i < 5; i++)
558 <            one.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
559 <        List l = one.shutdownNow();
560 <        assertTrue(one.isShutdown());
558 >            p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
559 >        List l;
560 >        try {
561 >            l = p1.shutdownNow();
562 >        } catch (SecurityException ok) {
563 >            return;
564 >        }
565 >        assertTrue(p1.isShutdown());
566          assertTrue(l.size() > 0 && l.size() <= 5);
567 <        joinPool(one);
567 >        joinPool(p1);
568      }
569  
570 <    public void testShutDown1(){
570 >    /**
571 >     * In default setting, shutdown cancels periodic but not delayed
572 >     * tasks at shutdown
573 >     */
574 >    public void testShutDown1() {
575          try {
576 <            ScheduledExecutor one = new ScheduledExecutor(1);
577 <            assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
578 <            assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
576 >            ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
577 >            assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
578 >            assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
579  
580 <            ScheduledCancellable[] tasks = new ScheduledCancellable[5];
580 >            ScheduledFuture[] tasks = new ScheduledFuture[5];
581              for(int i = 0; i < 5; i++)
582 <                tasks[i] = one.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
583 <            one.shutdown();
584 <            BlockingQueue q = one.getQueue();
582 >                tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
583 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
584 >            BlockingQueue q = p1.getQueue();
585              for (Iterator it = q.iterator(); it.hasNext();) {
586 <                ScheduledCancellable t = (ScheduledCancellable)it.next();
586 >                ScheduledFuture t = (ScheduledFuture)it.next();
587                  assertFalse(t.isCancelled());
588              }
589 <            assertTrue(one.isShutdown());
589 >            assertTrue(p1.isShutdown());
590              Thread.sleep(SMALL_DELAY_MS);
591              for (int i = 0; i < 5; ++i) {
592                  assertTrue(tasks[i].isDone());
# Line 430 | Line 595 | public class ScheduledExecutorTest exten
595              
596          }
597          catch(Exception ex) {
598 <            fail("unexpected exception");
598 >            unexpectedException();
599          }
600      }
601  
602  
603 <    public void testShutDown2(){
603 >    /**
604 >     * If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
605 >     * delayed tasks are cancelled at shutdown
606 >     */
607 >    public void testShutDown2() {
608          try {
609 <            ScheduledExecutor one = new ScheduledExecutor(1);
610 <            one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
611 <            ScheduledCancellable[] tasks = new ScheduledCancellable[5];
609 >            ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
610 >            p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
611 >            ScheduledFuture[] tasks = new ScheduledFuture[5];
612              for(int i = 0; i < 5; i++)
613 <                tasks[i] = one.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
614 <            one.shutdown();
615 <            assertTrue(one.isShutdown());
616 <            BlockingQueue q = one.getQueue();
613 >                tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
614 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
615 >            assertTrue(p1.isShutdown());
616 >            BlockingQueue q = p1.getQueue();
617              assertTrue(q.isEmpty());
618              Thread.sleep(SMALL_DELAY_MS);
619 <            assertTrue(one.isTerminated());
619 >            assertTrue(p1.isTerminated());
620          }
621          catch(Exception ex) {
622 <            fail("unexpected exception");
622 >            unexpectedException();
623          }
624      }
625  
626  
627 <    public void testShutDown3(){
627 >    /**
628 >     * If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
629 >     * periodic tasks are not cancelled at shutdown
630 >     */
631 >    public void testShutDown3() {
632          try {
633 <            ScheduledExecutor one = new ScheduledExecutor(1);
634 <            one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
635 <            ScheduledCancellable task =
636 <                one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
637 <            one.shutdown();
638 <            assertTrue(one.isShutdown());
639 <            BlockingQueue q = one.getQueue();
633 >            ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
634 >            p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
635 >            ScheduledFuture task =
636 >                p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
637 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
638 >            assertTrue(p1.isShutdown());
639 >            BlockingQueue q = p1.getQueue();
640              assertTrue(q.isEmpty());
641              Thread.sleep(SHORT_DELAY_MS);
642 <            assertTrue(one.isTerminated());
642 >            assertTrue(p1.isTerminated());
643          }
644          catch(Exception ex) {
645 <            fail("unexpected exception");
645 >            unexpectedException();
646          }
647      }
648  
649 <    public void testShutDown4(){
650 <        ScheduledExecutor one = new ScheduledExecutor(1);
649 >    /**
650 >     * if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
651 >     * periodic tasks are cancelled at shutdown
652 >     */
653 >    public void testShutDown4() {
654 >        ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
655          try {
656 <            one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
657 <            ScheduledCancellable task =
658 <                one.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
656 >            p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
657 >            ScheduledFuture task =
658 >                p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
659              assertFalse(task.isCancelled());
660 <            one.shutdown();
660 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
661              assertFalse(task.isCancelled());
662 <            assertFalse(one.isTerminated());
663 <            assertTrue(one.isShutdown());
662 >            assertFalse(p1.isTerminated());
663 >            assertTrue(p1.isShutdown());
664              Thread.sleep(SHORT_DELAY_MS);
665              assertFalse(task.isCancelled());
666 <            task.cancel(true);
667 <            assertTrue(task.isCancelled());
666 >            assertTrue(task.cancel(true));
667 >            assertTrue(task.isDone());
668              Thread.sleep(SHORT_DELAY_MS);
669 <            assertTrue(one.isTerminated());
669 >            assertTrue(p1.isTerminated());
670          }
671          catch(Exception ex) {
672 <            fail("unexpected exception");
672 >            unexpectedException();
673          }
674 <        finally {
675 <            one.shutdownNow();
674 >        finally {
675 >            joinPool(p1);
676          }
677      }
678  
679 +    /**
680 +     * completed submit of callable returns result
681 +     */
682 +    public void testSubmitCallable() {
683 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
684 +        try {
685 +            Future<String> future = e.submit(new StringTask());
686 +            String result = future.get();
687 +            assertSame(TEST_STRING, result);
688 +        }
689 +        catch (ExecutionException ex) {
690 +            unexpectedException();
691 +        }
692 +        catch (InterruptedException ex) {
693 +            unexpectedException();
694 +        } finally {
695 +            joinPool(e);
696 +        }
697 +    }
698 +
699 +    /**
700 +     * completed submit of runnable returns successfully
701 +     */
702 +    public void testSubmitRunnable() {
703 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
704 +        try {
705 +            Future<?> future = e.submit(new NoOpRunnable());
706 +            future.get();
707 +            assertTrue(future.isDone());
708 +        }
709 +        catch (ExecutionException ex) {
710 +            unexpectedException();
711 +        }
712 +        catch (InterruptedException ex) {
713 +            unexpectedException();
714 +        } finally {
715 +            joinPool(e);
716 +        }
717 +    }
718 +
719 +    /**
720 +     * completed submit of (runnable, result) returns result
721 +     */
722 +    public void testSubmitRunnable2() {
723 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
724 +        try {
725 +            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
726 +            String result = future.get();
727 +            assertSame(TEST_STRING, result);
728 +        }
729 +        catch (ExecutionException ex) {
730 +            unexpectedException();
731 +        }
732 +        catch (InterruptedException ex) {
733 +            unexpectedException();
734 +        } finally {
735 +            joinPool(e);
736 +        }
737 +    }
738 +
739 +    /**
740 +     * invokeAny(null) throws NPE
741 +     */
742 +    public void testInvokeAny1() {
743 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
744 +        try {
745 +            e.invokeAny(null);
746 +        } catch (NullPointerException success) {
747 +        } catch(Exception ex) {
748 +            unexpectedException();
749 +        } finally {
750 +            joinPool(e);
751 +        }
752 +    }
753 +
754 +    /**
755 +     * invokeAny(empty collection) throws IAE
756 +     */
757 +    public void testInvokeAny2() {
758 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
759 +        try {
760 +            e.invokeAny(new ArrayList<Callable<String>>());
761 +        } catch (IllegalArgumentException success) {
762 +        } catch(Exception ex) {
763 +            unexpectedException();
764 +        } finally {
765 +            joinPool(e);
766 +        }
767 +    }
768 +
769 +    /**
770 +     * invokeAny(c) throws NPE if c has null elements
771 +     */
772 +    public void testInvokeAny3() {
773 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
774 +        try {
775 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
776 +            l.add(new StringTask());
777 +            l.add(null);
778 +            e.invokeAny(l);
779 +        } catch (NullPointerException success) {
780 +        } catch(Exception ex) {
781 +            unexpectedException();
782 +        } finally {
783 +            joinPool(e);
784 +        }
785 +    }
786 +
787 +    /**
788 +     * invokeAny(c) throws ExecutionException if no task completes
789 +     */
790 +    public void testInvokeAny4() {
791 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
792 +        try {
793 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
794 +            l.add(new NPETask());
795 +            e.invokeAny(l);
796 +        } catch (ExecutionException success) {
797 +        } catch(Exception ex) {
798 +            unexpectedException();
799 +        } finally {
800 +            joinPool(e);
801 +        }
802 +    }
803 +
804 +    /**
805 +     * invokeAny(c) returns result of some task
806 +     */
807 +    public void testInvokeAny5() {
808 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
809 +        try {
810 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
811 +            l.add(new StringTask());
812 +            l.add(new StringTask());
813 +            String result = e.invokeAny(l);
814 +            assertSame(TEST_STRING, result);
815 +        } catch (ExecutionException success) {
816 +        } catch(Exception ex) {
817 +            unexpectedException();
818 +        } finally {
819 +            joinPool(e);
820 +        }
821 +    }
822 +
823 +    /**
824 +     * invokeAll(null) throws NPE
825 +     */
826 +    public void testInvokeAll1() {
827 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
828 +        try {
829 +            e.invokeAll(null);
830 +        } catch (NullPointerException success) {
831 +        } catch(Exception ex) {
832 +            unexpectedException();
833 +        } finally {
834 +            joinPool(e);
835 +        }
836 +    }
837 +
838 +    /**
839 +     * invokeAll(empty collection) returns empty collection
840 +     */
841 +    public void testInvokeAll2() {
842 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
843 +        try {
844 +            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
845 +            assertTrue(r.isEmpty());
846 +        } catch(Exception ex) {
847 +            unexpectedException();
848 +        } finally {
849 +            joinPool(e);
850 +        }
851 +    }
852 +
853 +    /**
854 +     * invokeAll(c) throws NPE if c has null elements
855 +     */
856 +    public void testInvokeAll3() {
857 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
858 +        try {
859 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
860 +            l.add(new StringTask());
861 +            l.add(null);
862 +            e.invokeAll(l);
863 +        } catch (NullPointerException success) {
864 +        } catch(Exception ex) {
865 +            unexpectedException();
866 +        } finally {
867 +            joinPool(e);
868 +        }
869 +    }
870 +
871 +    /**
872 +     * get of invokeAll(c) throws exception on failed task
873 +     */
874 +    public void testInvokeAll4() {
875 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
876 +        try {
877 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
878 +            l.add(new NPETask());
879 +            List<Future<String>> result = e.invokeAll(l);
880 +            assertEquals(1, result.size());
881 +            for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
882 +                it.next().get();
883 +        } catch(ExecutionException success) {
884 +        } catch(Exception ex) {
885 +            unexpectedException();
886 +        } finally {
887 +            joinPool(e);
888 +        }
889 +    }
890 +
891 +    /**
892 +     * invokeAll(c) returns results of all completed tasks
893 +     */
894 +    public void testInvokeAll5() {
895 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
896 +        try {
897 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
898 +            l.add(new StringTask());
899 +            l.add(new StringTask());
900 +            List<Future<String>> result = e.invokeAll(l);
901 +            assertEquals(2, result.size());
902 +            for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
903 +                assertSame(TEST_STRING, it.next().get());
904 +        } catch (ExecutionException success) {
905 +        } catch(Exception ex) {
906 +            unexpectedException();
907 +        } finally {
908 +            joinPool(e);
909 +        }
910 +    }
911 +
912 +    /**
913 +     * timed invokeAny(null) throws NPE
914 +     */
915 +    public void testTimedInvokeAny1() {
916 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
917 +        try {
918 +            e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
919 +        } catch (NullPointerException success) {
920 +        } catch(Exception ex) {
921 +            unexpectedException();
922 +        } finally {
923 +            joinPool(e);
924 +        }
925 +    }
926 +
927 +    /**
928 +     * timed invokeAny(,,null) throws NPE
929 +     */
930 +    public void testTimedInvokeAnyNullTimeUnit() {
931 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
932 +        try {
933 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
934 +            l.add(new StringTask());
935 +            e.invokeAny(l, MEDIUM_DELAY_MS, null);
936 +        } catch (NullPointerException success) {
937 +        } catch(Exception ex) {
938 +            unexpectedException();
939 +        } finally {
940 +            joinPool(e);
941 +        }
942 +    }
943 +
944 +    /**
945 +     * timed invokeAny(empty collection) throws IAE
946 +     */
947 +    public void testTimedInvokeAny2() {
948 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
949 +        try {
950 +            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
951 +        } catch (IllegalArgumentException success) {
952 +        } catch(Exception ex) {
953 +            unexpectedException();
954 +        } finally {
955 +            joinPool(e);
956 +        }
957 +    }
958 +
959 +    /**
960 +     * timed invokeAny(c) throws NPE if c has null elements
961 +     */
962 +    public void testTimedInvokeAny3() {
963 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
964 +        try {
965 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
966 +            l.add(new StringTask());
967 +            l.add(null);
968 +            e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
969 +        } catch (NullPointerException success) {
970 +        } catch(Exception ex) {
971 +            ex.printStackTrace();
972 +            unexpectedException();
973 +        } finally {
974 +            joinPool(e);
975 +        }
976 +    }
977 +
978 +    /**
979 +     * timed invokeAny(c) throws ExecutionException if no task completes
980 +     */
981 +    public void testTimedInvokeAny4() {
982 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
983 +        try {
984 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
985 +            l.add(new NPETask());
986 +            e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
987 +        } catch(ExecutionException success) {
988 +        } catch(Exception ex) {
989 +            unexpectedException();
990 +        } finally {
991 +            joinPool(e);
992 +        }
993 +    }
994 +
995 +    /**
996 +     * timed invokeAny(c) returns result of some task
997 +     */
998 +    public void testTimedInvokeAny5() {
999 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
1000 +        try {
1001 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1002 +            l.add(new StringTask());
1003 +            l.add(new StringTask());
1004 +            String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1005 +            assertSame(TEST_STRING, result);
1006 +        } catch (ExecutionException success) {
1007 +        } catch(Exception ex) {
1008 +            unexpectedException();
1009 +        } finally {
1010 +            joinPool(e);
1011 +        }
1012 +    }
1013 +
1014 +    /**
1015 +     * timed invokeAll(null) throws NPE
1016 +     */
1017 +    public void testTimedInvokeAll1() {
1018 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
1019 +        try {
1020 +            e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1021 +        } catch (NullPointerException success) {
1022 +        } catch(Exception ex) {
1023 +            unexpectedException();
1024 +        } finally {
1025 +            joinPool(e);
1026 +        }
1027 +    }
1028 +
1029 +    /**
1030 +     * timed invokeAll(,,null) throws NPE
1031 +     */
1032 +    public void testTimedInvokeAllNullTimeUnit() {
1033 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
1034 +        try {
1035 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1036 +            l.add(new StringTask());
1037 +            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1038 +        } catch (NullPointerException success) {
1039 +        } catch(Exception ex) {
1040 +            unexpectedException();
1041 +        } finally {
1042 +            joinPool(e);
1043 +        }
1044 +    }
1045 +
1046 +    /**
1047 +     * timed invokeAll(empty collection) returns empty collection
1048 +     */
1049 +    public void testTimedInvokeAll2() {
1050 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
1051 +        try {
1052 +            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1053 +            assertTrue(r.isEmpty());
1054 +        } catch(Exception ex) {
1055 +            unexpectedException();
1056 +        } finally {
1057 +            joinPool(e);
1058 +        }
1059 +    }
1060 +
1061 +    /**
1062 +     * timed invokeAll(c) throws NPE if c has null elements
1063 +     */
1064 +    public void testTimedInvokeAll3() {
1065 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
1066 +        try {
1067 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1068 +            l.add(new StringTask());
1069 +            l.add(null);
1070 +            e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1071 +        } catch (NullPointerException success) {
1072 +        } catch(Exception ex) {
1073 +            unexpectedException();
1074 +        } finally {
1075 +            joinPool(e);
1076 +        }
1077 +    }
1078 +
1079 +    /**
1080 +     * get of element of invokeAll(c) throws exception on failed task
1081 +     */
1082 +    public void testTimedInvokeAll4() {
1083 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
1084 +        try {
1085 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1086 +            l.add(new NPETask());
1087 +            List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1088 +            assertEquals(1, result.size());
1089 +            for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1090 +                it.next().get();
1091 +        } catch(ExecutionException success) {
1092 +        } catch(Exception ex) {
1093 +            unexpectedException();
1094 +        } finally {
1095 +            joinPool(e);
1096 +        }
1097 +    }
1098 +
1099 +    /**
1100 +     * timed invokeAll(c) returns results of all completed tasks
1101 +     */
1102 +    public void testTimedInvokeAll5() {
1103 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
1104 +        try {
1105 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1106 +            l.add(new StringTask());
1107 +            l.add(new StringTask());
1108 +            List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1109 +            assertEquals(2, result.size());
1110 +            for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1111 +                assertSame(TEST_STRING, it.next().get());
1112 +        } catch (ExecutionException success) {
1113 +        } catch(Exception ex) {
1114 +            unexpectedException();
1115 +        } finally {
1116 +            joinPool(e);
1117 +        }
1118 +    }
1119 +
1120 +    /**
1121 +     * timed invokeAll(c) cancels tasks not completed by timeout
1122 +     */
1123 +    public void testTimedInvokeAll6() {
1124 +        ExecutorService e = new ScheduledThreadPoolExecutor(2);
1125 +        try {
1126 +            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1127 +            l.add(new StringTask());
1128 +            l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1129 +            l.add(new StringTask());
1130 +            List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1131 +            assertEquals(3, result.size());
1132 +            Iterator<Future<String>> it = result.iterator();
1133 +            Future<String> f1 = it.next();
1134 +            Future<String> f2 = it.next();
1135 +            Future<String> f3 = it.next();
1136 +            assertTrue(f1.isDone());
1137 +            assertTrue(f2.isDone());
1138 +            assertTrue(f3.isDone());
1139 +            assertFalse(f1.isCancelled());
1140 +            assertTrue(f2.isCancelled());
1141 +        } catch(Exception ex) {
1142 +            unexpectedException();
1143 +        } finally {
1144 +            joinPool(e);
1145 +        }
1146 +    }
1147 +
1148 +
1149   }

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