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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 00:31:57 2003 UTC vs.
Revision 1.18 by dl, Tue Jan 20 20:30:08 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 java.util.concurrent.*;
10   import junit.framework.*;
11 < import java.util.List;
11 > import java.util.*;
12  
13   public class ThreadPoolExecutorTest extends JSR166TestCase {
14      public static void main(String[] args) {
# Line 17 | Line 18 | public class ThreadPoolExecutorTest exte
18          return new TestSuite(ThreadPoolExecutorTest.class);
19      }
20      
21 <    /**
22 <     * For use as ThreadFactory in constructors
23 <     */
24 <    static class MyThreadFactory implements ThreadFactory{
25 <        public Thread newThread(Runnable r){
26 <            return new Thread(r);
27 <        }  
21 >    static class ExtendedTPE extends ThreadPoolExecutor {
22 >        volatile boolean beforeCalled = false;
23 >        volatile boolean afterCalled = false;
24 >        volatile boolean terminatedCalled = false;
25 >        public ExtendedTPE() {
26 >            super(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new SynchronousQueue<Runnable>());
27 >        }
28 >        protected void beforeExecute(Thread t, Runnable r) {
29 >            beforeCalled = true;
30 >        }
31 >        protected void afterExecute(Runnable r, Throwable t) {
32 >            afterCalled = true;
33 >        }
34 >        protected void terminated() {
35 >            terminatedCalled = true;
36 >        }
37      }
38  
39      /**
40 <     * For use as RejectedExecutionHandler in constructors
40 >     *  execute successfully executes a runnable
41       */
42 <    static class MyREHandler implements RejectedExecutionHandler{
43 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
34 <    }
35 <
36 <    /**
37 <     *   execute successfully executes a runnable
38 <     */
39 <    public void testExecute(){
40 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
42 >    public void testExecute() {
43 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
44          try {
45 <            one.execute(new Runnable(){
46 <                    public void run(){
47 <                        try{
45 >            p1.execute(new Runnable() {
46 >                    public void run() {
47 >                        try {
48                              Thread.sleep(SHORT_DELAY_MS);
49                          } catch(InterruptedException e){
50 <                            fail("unexpected exception");
50 >                            threadUnexpectedException();
51                          }
52                      }
53                  });
54              Thread.sleep(SMALL_DELAY_MS);
55          } catch(InterruptedException e){
56 <            fail("unexpected exception");
56 >            unexpectedException();
57          }
58 <        joinPool(one);
58 >        joinPool(p1);
59      }
60  
61      /**
62 <     *   getActiveCount gives correct values
62 >     *  getActiveCount increases but doesn't overestimate, when a
63 >     *  thread becomes active
64       */
65 <    public void testGetActiveCount(){
66 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
67 <        assertEquals(0, two.getActiveCount());
68 <        two.execute(new MediumRunnable());
69 <        try{
65 >    public void testGetActiveCount() {
66 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
67 >        assertEquals(0, p2.getActiveCount());
68 >        p2.execute(new MediumRunnable());
69 >        try {
70              Thread.sleep(SHORT_DELAY_MS);
71          } catch(Exception e){
72 <            fail("unexpected exception");
72 >            unexpectedException();
73          }
74 <        assertEquals(1, two.getActiveCount());
75 <        joinPool(two);
74 >        assertEquals(1, p2.getActiveCount());
75 >        joinPool(p2);
76 >    }
77 >
78 >    /**
79 >     *  prestartCoreThread starts a thread if under corePoolSize, else doesn't
80 >     */
81 >    public void testPrestartCoreThread() {
82 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
83 >        assertEquals(0, p2.getPoolSize());
84 >        assertTrue(p2.prestartCoreThread());
85 >        assertEquals(1, p2.getPoolSize());
86 >        assertTrue(p2.prestartCoreThread());
87 >        assertEquals(2, p2.getPoolSize());
88 >        assertFalse(p2.prestartCoreThread());
89 >        assertEquals(2, p2.getPoolSize());
90 >        joinPool(p2);
91 >    }
92 >
93 >    /**
94 >     *  prestartAllCoreThreads starts all corePoolSize threads
95 >     */
96 >    public void testPrestartAllCoreThreads() {
97 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
98 >        assertEquals(0, p2.getPoolSize());
99 >        p2.prestartAllCoreThreads();
100 >        assertEquals(2, p2.getPoolSize());
101 >        p2.prestartAllCoreThreads();
102 >        assertEquals(2, p2.getPoolSize());
103 >        joinPool(p2);
104      }
105      
106      /**
107 <     *   getCompleteTaskCount gives correct values
107 >     *   getCompletedTaskCount increases, but doesn't overestimate,
108 >     *   when tasks complete
109       */
110 <    public void testGetCompletedTaskCount(){
111 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
112 <        assertEquals(0, two.getCompletedTaskCount());
113 <        two.execute(new ShortRunnable());
114 <        try{
115 <            Thread.sleep(MEDIUM_DELAY_MS);
110 >    public void testGetCompletedTaskCount() {
111 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
112 >        assertEquals(0, p2.getCompletedTaskCount());
113 >        p2.execute(new ShortRunnable());
114 >        try {
115 >            Thread.sleep(SMALL_DELAY_MS);
116          } catch(Exception e){
117 <            fail("unexpected exception");
117 >            unexpectedException();
118          }
119 <        assertEquals(1, two.getCompletedTaskCount());
120 <        two.shutdown();
121 <        joinPool(two);
119 >        assertEquals(1, p2.getCompletedTaskCount());
120 >        try { p2.shutdown(); } catch(SecurityException ok) { return; }
121 >        joinPool(p2);
122      }
123      
124      /**
125 <     *   getCorePoolSize gives correct values
125 >     *   getCorePoolSize returns size given in constructor if not otherwise set
126       */
127 <    public void testGetCorePoolSize(){
128 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
129 <        assertEquals(1, one.getCorePoolSize());
130 <        joinPool(one);
127 >    public void testGetCorePoolSize() {
128 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
129 >        assertEquals(1, p1.getCorePoolSize());
130 >        joinPool(p1);
131      }
132      
133      /**
134 <     *   getKeepAliveTime gives correct values
134 >     *   getKeepAliveTime returns value given in constructor if not otherwise set
135 >     */
136 >    public void testGetKeepAliveTime() {
137 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
138 >        assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
139 >        joinPool(p2);
140 >    }
141 >
142 >
143 >    /**
144 >     * getThreadFactory returns factory in constructor if not set
145 >     */
146 >    public void testGetThreadFactory() {
147 >        ThreadFactory tf = new SimpleThreadFactory();
148 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler());
149 >        assertSame(tf, p.getThreadFactory());
150 >        joinPool(p);
151 >    }
152 >
153 >    /**
154 >     * setThreadFactory sets the thread factory returned by getThreadFactory
155 >     */
156 >    public void testSetThreadFactory() {
157 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
158 >        ThreadFactory tf = new SimpleThreadFactory();
159 >        p.setThreadFactory(tf);
160 >        assertSame(tf, p.getThreadFactory());
161 >        joinPool(p);
162 >    }
163 >
164 >
165 >    /**
166 >     * setThreadFactory(null) throws NPE
167 >     */
168 >    public void testSetThreadFactoryNull() {
169 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
170 >        try {
171 >            p.setThreadFactory(null);
172 >            shouldThrow();
173 >        } catch (NullPointerException success) {
174 >        } finally {
175 >            joinPool(p);
176 >        }
177 >    }
178 >
179 >    /**
180 >     * getRejectedExecutionHandler returns handler in constructor if not set
181 >     */
182 >    public void testGetRejectedExecutionHandler() {
183 >        RejectedExecutionHandler h = new NoOpREHandler();
184 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h);
185 >        assertSame(h, p.getRejectedExecutionHandler());
186 >        joinPool(p);
187 >    }
188 >
189 >    /**
190 >     * setRejectedExecutionHandler sets the handler returned by
191 >     * getRejectedExecutionHandler
192       */
193 <    public void testGetKeepAliveTime(){
194 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
195 <        assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
196 <        joinPool(two);
193 >    public void testSetRejectedExecutionHandler() {
194 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
195 >        RejectedExecutionHandler h = new NoOpREHandler();
196 >        p.setRejectedExecutionHandler(h);
197 >        assertSame(h, p.getRejectedExecutionHandler());
198 >        joinPool(p);
199      }
200 +
201 +
202 +    /**
203 +     * setRejectedExecutionHandler(null) throws NPE
204 +     */
205 +    public void testSetRejectedExecutionHandlerNull() {
206 +        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
207 +        try {
208 +            p.setRejectedExecutionHandler(null);
209 +            shouldThrow();
210 +        } catch (NullPointerException success) {
211 +        } finally {
212 +            joinPool(p);
213 +        }
214 +    }
215 +
216      
217      /**
218 <     *   getLargestPoolSize gives correct values
218 >     *   getLargestPoolSize increases, but doesn't overestimate, when
219 >     *   multiple threads active
220       */
221 <    public void testGetLargestPoolSize(){
222 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
221 >    public void testGetLargestPoolSize() {
222 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
223          try {
224 <            assertEquals(0, two.getLargestPoolSize());
225 <            two.execute(new MediumRunnable());
226 <            two.execute(new MediumRunnable());
224 >            assertEquals(0, p2.getLargestPoolSize());
225 >            p2.execute(new MediumRunnable());
226 >            p2.execute(new MediumRunnable());
227              Thread.sleep(SHORT_DELAY_MS);
228 <            assertEquals(2, two.getLargestPoolSize());
228 >            assertEquals(2, p2.getLargestPoolSize());
229          } catch(Exception e){
230 <            fail("unexpected exception");
230 >            unexpectedException();
231          }
232 <        joinPool(two);
232 >        joinPool(p2);
233      }
234      
235      /**
236 <     *   getMaximumPoolSize gives correct values
236 >     *   getMaximumPoolSize returns value given in constructor if not
237 >     *   otherwise set
238       */
239 <    public void testGetMaximumPoolSize(){
240 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
241 <        assertEquals(2, two.getMaximumPoolSize());
242 <        joinPool(two);
239 >    public void testGetMaximumPoolSize() {
240 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
241 >        assertEquals(2, p2.getMaximumPoolSize());
242 >        joinPool(p2);
243      }
244      
245      /**
246 <     *   getPoolSize gives correct values
246 >     *   getPoolSize increases, but doesn't overestimate, when threads
247 >     *   become active
248       */
249 <    public void testGetPoolSize(){
250 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
251 <        assertEquals(0, one.getPoolSize());
252 <        one.execute(new MediumRunnable());
253 <        assertEquals(1, one.getPoolSize());
254 <        joinPool(one);
249 >    public void testGetPoolSize() {
250 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
251 >        assertEquals(0, p1.getPoolSize());
252 >        p1.execute(new MediumRunnable());
253 >        assertEquals(1, p1.getPoolSize());
254 >        joinPool(p1);
255      }
256      
257      /**
258 <     *   getTaskCount gives correct values
258 >     *  getTaskCount increases, but doesn't overestimate, when tasks submitted
259       */
260 <    public void testGetTaskCount(){
261 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
260 >    public void testGetTaskCount() {
261 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
262          try {
263 <            assertEquals(0, one.getTaskCount());
264 <            one.execute(new MediumRunnable());
263 >            assertEquals(0, p1.getTaskCount());
264 >            p1.execute(new MediumRunnable());
265              Thread.sleep(SHORT_DELAY_MS);
266 <            assertEquals(1, one.getTaskCount());
266 >            assertEquals(1, p1.getTaskCount());
267          } catch(Exception e){
268 <            fail("unexpected exception");
268 >            unexpectedException();
269          }
270 <        joinPool(one);
270 >        joinPool(p1);
271      }
272      
273      /**
274 <     *   isShutDown gives correct values
274 >     *   isShutDown is false before shutdown, true after
275       */
276 <    public void testIsShutdown(){
276 >    public void testIsShutdown() {
277          
278 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
279 <        assertFalse(one.isShutdown());
280 <        one.shutdown();
281 <        assertTrue(one.isShutdown());
282 <        joinPool(one);
278 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
279 >        assertFalse(p1.isShutdown());
280 >        try { p1.shutdown(); } catch(SecurityException ok) { return; }
281 >        assertTrue(p1.isShutdown());
282 >        joinPool(p1);
283      }
284  
285          
286      /**
287 <     *   isTerminated gives correct values
177 <     *  Makes sure termination does not take an innapropriate
178 <     *  amount of time
287 >     *  isTerminated is false before termination, true after
288       */
289 <    public void testIsTerminated(){
290 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
289 >    public void testIsTerminated() {
290 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
291 >        assertFalse(p1.isTerminated());
292          try {
293 <            one.execute(new MediumRunnable());
293 >            p1.execute(new MediumRunnable());
294          } finally {
295 <            one.shutdown();
295 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
296          }
297          try {
298 <            assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
299 <            assertTrue(one.isTerminated());
298 >            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
299 >            assertTrue(p1.isTerminated());
300 >        } catch(Exception e){
301 >            unexpectedException();
302 >        }      
303 >    }
304 >
305 >    /**
306 >     *  isTerminating is not true when running or when terminated
307 >     */
308 >    public void testIsTerminating() {
309 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
310 >        assertFalse(p1.isTerminating());
311 >        try {
312 >            p1.execute(new SmallRunnable());
313 >            assertFalse(p1.isTerminating());
314 >        } finally {
315 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
316 >        }
317 >        try {
318 >            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
319 >            assertTrue(p1.isTerminated());
320 >            assertFalse(p1.isTerminating());
321          } catch(Exception e){
322 <            fail("unexpected exception");
322 >            unexpectedException();
323          }      
324      }
325  
326      /**
327 <     *   purge correctly removes cancelled tasks
328 <     *  from the queue
327 >     * getQueue returns the work queue, which contains queued tasks
328 >     */
329 >    public void testGetQueue() {
330 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
331 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
332 >        FutureTask[] tasks = new FutureTask[5];
333 >        for(int i = 0; i < 5; i++){
334 >            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
335 >            p1.execute(tasks[i]);
336 >        }
337 >        try {
338 >            Thread.sleep(SHORT_DELAY_MS);
339 >            BlockingQueue<Runnable> wq = p1.getQueue();
340 >            assertSame(q, wq);
341 >            assertFalse(wq.contains(tasks[0]));
342 >            assertTrue(wq.contains(tasks[4]));
343 >        } catch(Exception e) {
344 >            unexpectedException();
345 >        } finally {
346 >            joinPool(p1);
347 >        }
348 >    }
349 >
350 >    /**
351 >     * remove(task) removes queued task, and fails to remove active task
352 >     */
353 >    public void testRemove() {
354 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
355 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
356 >        FutureTask[] tasks = new FutureTask[5];
357 >        for(int i = 0; i < 5; i++){
358 >            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
359 >            p1.execute(tasks[i]);
360 >        }
361 >        try {
362 >            Thread.sleep(SHORT_DELAY_MS);
363 >            assertFalse(p1.remove(tasks[0]));
364 >            assertTrue(q.contains(tasks[4]));
365 >            assertTrue(q.contains(tasks[3]));
366 >            assertTrue(p1.remove(tasks[4]));
367 >            assertFalse(p1.remove(tasks[4]));
368 >            assertFalse(q.contains(tasks[4]));
369 >            assertTrue(q.contains(tasks[3]));
370 >            assertTrue(p1.remove(tasks[3]));
371 >            assertFalse(q.contains(tasks[3]));
372 >        } catch(Exception e) {
373 >            unexpectedException();
374 >        } finally {
375 >            joinPool(p1);
376 >        }
377 >    }
378 >
379 >    /**
380 >     *   purge removes cancelled tasks from the queue
381       */
382 <    public void testPurge(){
383 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
384 <        CancellableTask[] tasks = new CancellableTask[5];
382 >    public void testPurge() {
383 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
384 >        FutureTask[] tasks = new FutureTask[5];
385          for(int i = 0; i < 5; i++){
386 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
387 <            one.execute(tasks[i]);
386 >            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
387 >            p1.execute(tasks[i]);
388          }
389          tasks[4].cancel(true);
390          tasks[3].cancel(true);
391 <        one.purge();
392 <        long count = one.getTaskCount();
391 >        p1.purge();
392 >        long count = p1.getTaskCount();
393          assertTrue(count >= 2 && count < 5);
394 <        joinPool(one);
394 >        joinPool(p1);
395      }
396  
397      /**
398 <     *   shutDownNow returns a list
216 <     *  containing the correct number of elements
398 >     *  shutDownNow returns a list containing tasks that were not run
399       */
400 <    public void testShutDownNow(){
401 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
400 >    public void testShutDownNow() {
401 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
402          List l;
403          try {
404              for(int i = 0; i < 5; i++)
405 <                one.execute(new MediumPossiblyInterruptedRunnable());
405 >                p1.execute(new MediumPossiblyInterruptedRunnable());
406          }
407          finally {
408 <            l = one.shutdownNow();
408 >            try {
409 >                l = p1.shutdownNow();
410 >            } catch (SecurityException ok) { return; }
411 >            
412          }
413 <        assertTrue(one.isShutdown());
413 >        assertTrue(p1.isShutdown());
414          assertTrue(l.size() <= 4);
415      }
416  
417      // Exception Tests
418      
419  
420 <    /** Throws if corePoolSize argument is less than zero */
420 >    /**
421 >     * Constructor throws if corePoolSize argument is less than zero
422 >     */
423      public void testConstructor1() {
424 <        try{
424 >        try {
425              new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
426 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
426 >            shouldThrow();
427          }
428          catch (IllegalArgumentException success){}
429      }
430      
431 <    /** Throws if maximumPoolSize is less than zero */
431 >    /**
432 >     * Constructor throws if maximumPoolSize is less than zero
433 >     */
434      public void testConstructor2() {
435 <        try{
435 >        try {
436              new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
437 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
437 >            shouldThrow();
438          }
439          catch (IllegalArgumentException success){}
440      }
441      
442 <    /** Throws if maximumPoolSize is equal to zero */
442 >    /**
443 >     * Constructor throws if maximumPoolSize is equal to zero
444 >     */
445      public void testConstructor3() {
446 <        try{
446 >        try {
447              new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
448 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
448 >            shouldThrow();
449          }
450          catch (IllegalArgumentException success){}
451      }
452  
453 <    /** Throws if keepAliveTime is less than zero */
453 >    /**
454 >     * Constructor throws if keepAliveTime is less than zero
455 >     */
456      public void testConstructor4() {
457 <        try{
457 >        try {
458              new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
459 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
459 >            shouldThrow();
460          }
461          catch (IllegalArgumentException success){}
462      }
463  
464 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
464 >    /**
465 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
466 >     */
467      public void testConstructor5() {
468 <        try{
468 >        try {
469              new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
470 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
470 >            shouldThrow();
471          }
472          catch (IllegalArgumentException success){}
473      }
474          
475 <    /** Throws if workQueue is set to null */
476 <    public void testNullPointerException() {
477 <        try{
478 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
479 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
475 >    /**
476 >     * Constructor throws if workQueue is set to null
477 >     */
478 >    public void testConstructorNullPointerException() {
479 >        try {
480 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null);
481 >            shouldThrow();
482          }
483          catch (NullPointerException success){}  
484      }
485      
486  
487      
488 <    /** Throws if corePoolSize argument is less than zero */
488 >    /**
489 >     * Constructor throws if corePoolSize argument is less than zero
490 >     */
491      public void testConstructor6() {
492 <        try{
493 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
494 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
492 >        try {
493 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
494 >            shouldThrow();
495          } catch (IllegalArgumentException success){}
496      }
497      
498 <    /** Throws if maximumPoolSize is less than zero */
498 >    /**
499 >     * Constructor throws if maximumPoolSize is less than zero
500 >     */
501      public void testConstructor7() {
502 <        try{
503 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
504 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
502 >        try {
503 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
504 >            shouldThrow();
505          }
506          catch (IllegalArgumentException success){}
507      }
508  
509 <    /** Throws if maximumPoolSize is equal to zero */
509 >    /**
510 >     * Constructor throws if maximumPoolSize is equal to zero
511 >     */
512      public void testConstructor8() {
513 <        try{
514 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
515 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
513 >        try {
514 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
515 >            shouldThrow();
516          }
517          catch (IllegalArgumentException success){}
518      }
519  
520 <    /** Throws if keepAliveTime is less than zero */
520 >    /**
521 >     * Constructor throws if keepAliveTime is less than zero
522 >     */
523      public void testConstructor9() {
524 <        try{
525 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
526 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
524 >        try {
525 >            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
526 >            shouldThrow();
527          }
528          catch (IllegalArgumentException success){}
529      }
530  
531 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
531 >    /**
532 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
533 >     */
534      public void testConstructor10() {
535 <        try{
536 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
537 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
535 >        try {
536 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
537 >            shouldThrow();
538          }
539          catch (IllegalArgumentException success){}
540      }
541  
542 <    /** Throws if workQueue is set to null */
543 <    public void testNullPointerException2() {
544 <        try{
545 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
546 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
542 >    /**
543 >     * Constructor throws if workQueue is set to null
544 >     */
545 >    public void testConstructorNullPointerException2() {
546 >        try {
547 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
548 >            shouldThrow();
549          }
550          catch (NullPointerException success){}  
551      }
552  
553 <    /** Throws if threadFactory is set to null */
554 <    public void testNullPointerException3() {
555 <        try{
553 >    /**
554 >     * Constructor throws if threadFactory is set to null
555 >     */
556 >    public void testConstructorNullPointerException3() {
557 >        try {
558              ThreadFactory f = null;
559 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
560 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
559 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
560 >            shouldThrow();
561          }
562          catch (NullPointerException success){}  
563      }
564  
565      
566 <    /** Throws if corePoolSize argument is less than zero */
566 >    /**
567 >     * Constructor throws if corePoolSize argument is less than zero
568 >     */
569      public void testConstructor11() {
570 <        try{
571 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
572 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
570 >        try {
571 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
572 >            shouldThrow();
573          }
574          catch (IllegalArgumentException success){}
575      }
576  
577 <    /** Throws if maximumPoolSize is less than zero */
577 >    /**
578 >     * Constructor throws if maximumPoolSize is less than zero
579 >     */
580      public void testConstructor12() {
581 <        try{
582 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
583 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
581 >        try {
582 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
583 >            shouldThrow();
584          }
585          catch (IllegalArgumentException success){}
586      }
587  
588 <    /** Throws if maximumPoolSize is equal to zero */
588 >    /**
589 >     * Constructor throws if maximumPoolSize is equal to zero
590 >     */
591      public void testConstructor13() {
592 <        try{
593 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
594 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
592 >        try {
593 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
594 >            shouldThrow();
595          }
596          catch (IllegalArgumentException success){}
597      }
598  
599 <    /** Throws if keepAliveTime is less than zero */
599 >    /**
600 >     * Constructor throws if keepAliveTime is less than zero
601 >     */
602      public void testConstructor14() {
603 <        try{
604 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
605 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
603 >        try {
604 >            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
605 >            shouldThrow();
606          }
607          catch (IllegalArgumentException success){}
608      }
609  
610 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
610 >    /**
611 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
612 >     */
613      public void testConstructor15() {
614 <        try{
615 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
616 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
614 >        try {
615 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
616 >            shouldThrow();
617          }
618          catch (IllegalArgumentException success){}
619      }
620  
621 <    /** Throws if workQueue is set to null */
622 <    public void testNullPointerException4() {
623 <        try{
624 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
625 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
621 >    /**
622 >     * Constructor throws if workQueue is set to null
623 >     */
624 >    public void testConstructorNullPointerException4() {
625 >        try {
626 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
627 >            shouldThrow();
628          }
629          catch (NullPointerException success){}  
630      }
631  
632 <    /** Throws if handler is set to null */
633 <    public void testNullPointerException5() {
634 <        try{
632 >    /**
633 >     * Constructor throws if handler is set to null
634 >     */
635 >    public void testConstructorNullPointerException5() {
636 >        try {
637              RejectedExecutionHandler r = null;
638 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
639 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
638 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
639 >            shouldThrow();
640          }
641          catch (NullPointerException success){}  
642      }
643  
644      
645 <    /** Throws if corePoolSize argument is less than zero */
645 >    /**
646 >     * Constructor throws if corePoolSize argument is less than zero
647 >     */
648      public void testConstructor16() {
649 <        try{
650 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
651 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
649 >        try {
650 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
651 >            shouldThrow();
652          }
653          catch (IllegalArgumentException success){}
654      }
655  
656 <    /** Throws if maximumPoolSize is less than zero */
656 >    /**
657 >     * Constructor throws if maximumPoolSize is less than zero
658 >     */
659      public void testConstructor17() {
660 <        try{
661 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
662 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
660 >        try {
661 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
662 >            shouldThrow();
663          }
664          catch (IllegalArgumentException success){}
665      }
666  
667 <    /** Throws if maximumPoolSize is equal to zero */
667 >    /**
668 >     * Constructor throws if maximumPoolSize is equal to zero
669 >     */
670      public void testConstructor18() {
671 <        try{
672 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
673 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
671 >        try {
672 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
673 >            shouldThrow();
674          }
675          catch (IllegalArgumentException success){}
676      }
677  
678 <    /** Throws if keepAliveTime is less than zero */
678 >    /**
679 >     * Constructor throws if keepAliveTime is less than zero
680 >     */
681      public void testConstructor19() {
682 <        try{
683 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
684 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
682 >        try {
683 >            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
684 >            shouldThrow();
685          }
686          catch (IllegalArgumentException success){}
687      }
688  
689 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
689 >    /**
690 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
691 >     */
692      public void testConstructor20() {
693 <        try{
694 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
695 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
693 >        try {
694 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
695 >            shouldThrow();
696          }
697          catch (IllegalArgumentException success){}
698      }
699  
700 <    /** Throws if workQueue is set to null */
701 <    public void testNullPointerException6() {
702 <        try{
703 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
704 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
700 >    /**
701 >     * Constructor throws if workQueue is set to null
702 >     */
703 >    public void testConstructorNullPointerException6() {
704 >        try {
705 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
706 >            shouldThrow();
707          }
708          catch (NullPointerException success){}  
709      }
710  
711 <    /** Throws if handler is set to null */
712 <    public void testNullPointerException7() {
713 <        try{
711 >    /**
712 >     * Constructor throws if handler is set to null
713 >     */
714 >    public void testConstructorNullPointerException7() {
715 >        try {
716              RejectedExecutionHandler r = null;
717 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
718 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
717 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
718 >            shouldThrow();
719          }
720          catch (NullPointerException success){}  
721      }
722  
723 <    /** Throws if ThreadFactory is set top null */
724 <    public void testNullPointerException8() {
725 <        try{
723 >    /**
724 >     * Constructor throws if ThreadFactory is set top null
725 >     */
726 >    public void testConstructorNullPointerException8() {
727 >        try {
728              ThreadFactory f = null;
729 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
730 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
729 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
730 >            shouldThrow();
731          }
732          catch (NullPointerException successdn8){}  
733      }
734      
735  
736      /**
737 <     *   execute will throw RejectedExcutionException
738 <     *  ThreadPoolExecutor will throw one when more runnables are
498 <     *  executed then will fit in the Queue.
737 >     *  execute throws RejectedExecutionException
738 >     *  if saturated.
739       */
740 <    public void testRejectedExecutionException(){
741 <        ThreadPoolExecutor tpe = null;
742 <        try{
743 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
744 <        } catch(Exception e){}
745 <        tpe.shutdown();
746 <        try{
740 >    public void testSaturatedExecute() {
741 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
742 >        try {
743 >            
744 >            for(int i = 0; i < 5; ++i){
745 >                p.execute(new MediumRunnable());
746 >            }
747 >            shouldThrow();
748 >        } catch(RejectedExecutionException success){}
749 >        joinPool(p);
750 >    }
751 >
752 >    /**
753 >     *  executor using CallerRunsPolicy runs task if saturated.
754 >     */
755 >    public void testSaturatedExecute2() {
756 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
757 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
758 >        try {
759 >            
760 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
761 >            for(int i = 0; i < 5; ++i){
762 >                tasks[i] = new TrackedNoOpRunnable();
763 >            }
764 >            TrackedLongRunnable mr = new TrackedLongRunnable();
765 >            p.execute(mr);
766 >            for(int i = 0; i < 5; ++i){
767 >                p.execute(tasks[i]);
768 >            }
769 >            for(int i = 1; i < 5; ++i) {
770 >                assertTrue(tasks[i].done);
771 >            }
772 >            try { p.shutdownNow(); } catch(SecurityException ok) { return; }
773 >        } catch(RejectedExecutionException ex){
774 >            unexpectedException();
775 >        } finally {
776 >            joinPool(p);
777 >        }
778 >    }
779 >
780 >    /**
781 >     *  executor using DiscardPolicy drops task if saturated.
782 >     */
783 >    public void testSaturatedExecute3() {
784 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
785 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
786 >        try {
787 >            
788 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
789 >            for(int i = 0; i < 5; ++i){
790 >                tasks[i] = new TrackedNoOpRunnable();
791 >            }
792 >            p.execute(new TrackedLongRunnable());
793 >            for(int i = 0; i < 5; ++i){
794 >                p.execute(tasks[i]);
795 >            }
796 >            for(int i = 0; i < 5; ++i){
797 >                assertFalse(tasks[i].done);
798 >            }
799 >            try { p.shutdownNow(); } catch(SecurityException ok) { return; }
800 >        } catch(RejectedExecutionException ex){
801 >            unexpectedException();
802 >        } finally {
803 >            joinPool(p);
804 >        }
805 >    }
806 >
807 >    /**
808 >     *  executor using DiscardOldestPolicy drops oldest task if saturated.
809 >     */
810 >    public void testSaturatedExecute4() {
811 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
812 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
813 >        try {
814 >            p.execute(new TrackedLongRunnable());
815 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
816 >            p.execute(r2);
817 >            assertTrue(p.getQueue().contains(r2));
818 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
819 >            p.execute(r3);
820 >            assertFalse(p.getQueue().contains(r2));
821 >            assertTrue(p.getQueue().contains(r3));
822 >            try { p.shutdownNow(); } catch(SecurityException ok) { return; }
823 >        } catch(RejectedExecutionException ex){
824 >            unexpectedException();
825 >        } finally {
826 >            joinPool(p);
827 >        }
828 >    }
829 >
830 >    /**
831 >     *  execute throws RejectedExecutionException if shutdown
832 >     */
833 >    public void testRejectedExecutionExceptionOnShutdown() {
834 >        ThreadPoolExecutor tpe =
835 >            new ThreadPoolExecutor(1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
836 >        try { tpe.shutdown(); } catch(SecurityException ok) { return; }
837 >        try {
838              tpe.execute(new NoOpRunnable());
839 <            fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
839 >            shouldThrow();
840          } catch(RejectedExecutionException success){}
841          
842          joinPool(tpe);
843      }
844 +
845 +    /**
846 +     *  execute using CallerRunsPolicy drops task on shutdown
847 +     */
848 +    public void testCallerRunsOnShutdown() {
849 +        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
850 +        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
851 +
852 +        try { p.shutdown(); } catch(SecurityException ok) { return; }
853 +        try {
854 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
855 +            p.execute(r);
856 +            assertFalse(r.done);
857 +        } catch(RejectedExecutionException success){
858 +            unexpectedException();
859 +        } finally {
860 +            joinPool(p);
861 +        }
862 +    }
863 +
864 +    /**
865 +     *  execute using DiscardPolicy drops task on shutdown
866 +     */
867 +    public void testDiscardOnShutdown() {
868 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
869 +        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
870 +
871 +        try { p.shutdown(); } catch(SecurityException ok) { return; }
872 +        try {
873 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
874 +            p.execute(r);
875 +            assertFalse(r.done);
876 +        } catch(RejectedExecutionException success){
877 +            unexpectedException();
878 +        } finally {
879 +            joinPool(p);
880 +        }
881 +    }
882 +
883 +
884 +    /**
885 +     *  execute using DiscardOldestPolicy drops task on shutdown
886 +     */
887 +    public void testDiscardOldestOnShutdown() {
888 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
889 +        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
890 +
891 +        try { p.shutdown(); } catch(SecurityException ok) { return; }
892 +        try {
893 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
894 +            p.execute(r);
895 +            assertFalse(r.done);
896 +        } catch(RejectedExecutionException success){
897 +            unexpectedException();
898 +        } finally {
899 +            joinPool(p);
900 +        }
901 +    }
902 +
903 +
904 +    /**
905 +     *  execute (null) throws NPE
906 +     */
907 +    public void testExecuteNull() {
908 +        ThreadPoolExecutor tpe = null;
909 +        try {
910 +            tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
911 +            tpe.execute(null);
912 +            shouldThrow();
913 +        } catch(NullPointerException success){}
914 +        
915 +        joinPool(tpe);
916 +    }
917      
918      /**
919 <     *   setCorePoolSize will throw IllegalArgumentException
516 <     *  when given a negative
919 >     *  setCorePoolSize of negative value throws IllegalArgumentException
920       */
921 <    public void testCorePoolSizeIllegalArgumentException(){
921 >    public void testCorePoolSizeIllegalArgumentException() {
922          ThreadPoolExecutor tpe = null;
923 <        try{
924 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
923 >        try {
924 >            tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
925          } catch(Exception e){}
926 <        try{
926 >        try {
927              tpe.setCorePoolSize(-1);
928 <            fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
928 >            shouldThrow();
929          } catch(IllegalArgumentException success){
930          } finally {
931 <            tpe.shutdown();
931 >            try { tpe.shutdown(); } catch(SecurityException ok) { return; }
932          }
933          joinPool(tpe);
934      }  
935  
533    
936      /**
937 <     *   setMaximumPoolSize(int) will throw IllegalArgumentException
938 <     *  if given a value less the it's actual core pool size
937 >     *  setMaximumPoolSize(int) throws IllegalArgumentException if
938 >     *  given a value less the core pool size
939       */  
940 <    public void testMaximumPoolSizeIllegalArgumentException(){
940 >    public void testMaximumPoolSizeIllegalArgumentException() {
941          ThreadPoolExecutor tpe = null;
942 <        try{
943 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
942 >        try {
943 >            tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
944          } catch(Exception e){}
945 <        try{
945 >        try {
946              tpe.setMaximumPoolSize(1);
947 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
947 >            shouldThrow();
948          } catch(IllegalArgumentException success){
949          } finally {
950 <            tpe.shutdown();
950 >            try { tpe.shutdown(); } catch(SecurityException ok) { return; }
951          }
952          joinPool(tpe);
953      }
954      
955      /**
956 <     *   setMaximumPoolSize will throw IllegalArgumentException
957 <     *  if given a negative number
956 >     *  setMaximumPoolSize throws IllegalArgumentException
957 >     *  if given a negative value
958       */
959 <    public void testMaximumPoolSizeIllegalArgumentException2(){
959 >    public void testMaximumPoolSizeIllegalArgumentException2() {
960          ThreadPoolExecutor tpe = null;
961 <        try{
962 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
961 >        try {
962 >            tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
963          } catch(Exception e){}
964 <        try{
964 >        try {
965              tpe.setMaximumPoolSize(-1);
966 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
966 >            shouldThrow();
967          } catch(IllegalArgumentException success){
968          } finally {
969 <            tpe.shutdown();
969 >            try { tpe.shutdown(); } catch(SecurityException ok) { return; }
970          }
971          joinPool(tpe);
972      }
973      
974  
975      /**
976 <     *   setKeepAliveTime will throw IllegalArgumentException
976 >     *  setKeepAliveTime  throws IllegalArgumentException
977       *  when given a negative value
978       */
979 <    public void testKeepAliveTimeIllegalArgumentException(){
979 >    public void testKeepAliveTimeIllegalArgumentException() {
980          ThreadPoolExecutor tpe = null;
981 <        try{
982 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
981 >        try {
982 >            tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
983          } catch(Exception e){}
984          
985 <        try{
985 >        try {
986              tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
987 <            fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
987 >            shouldThrow();
988          } catch(IllegalArgumentException success){
989          } finally {
990 <            tpe.shutdown();
990 >            try { tpe.shutdown(); } catch(SecurityException ok) { return; }
991          }
992          joinPool(tpe);
993      }
994 <  
994 >
995 >    /**
996 >     * terminated() is called on termination
997 >     */
998 >    public void testTerminated() {
999 >        ExtendedTPE tpe = new ExtendedTPE();
1000 >        try { tpe.shutdown(); } catch(SecurityException ok) { return; }
1001 >        assertTrue(tpe.terminatedCalled);
1002 >        joinPool(tpe);
1003 >    }
1004 >
1005 >    /**
1006 >     * beforeExecute and afterExecute are called when executing task
1007 >     */
1008 >    public void testBeforeAfter() {
1009 >        ExtendedTPE tpe = new ExtendedTPE();
1010 >        try {
1011 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1012 >            tpe.execute(r);
1013 >            Thread.sleep(SHORT_DELAY_MS);
1014 >            assertTrue(r.done);
1015 >            assertTrue(tpe.beforeCalled);
1016 >            assertTrue(tpe.afterCalled);
1017 >            try { tpe.shutdown(); } catch(SecurityException ok) { return; }
1018 >        }
1019 >        catch(Exception ex) {
1020 >            unexpectedException();
1021 >        } finally {
1022 >            joinPool(tpe);
1023 >        }
1024 >    }
1025 >
1026 >    /**
1027 >     * completed submit of callable returns result
1028 >     */
1029 >    public void testSubmitCallable() {
1030 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1031 >        try {
1032 >            Future<String> future = e.submit(new StringTask());
1033 >            String result = future.get();
1034 >            assertSame(TEST_STRING, result);
1035 >        }
1036 >        catch (ExecutionException ex) {
1037 >            unexpectedException();
1038 >        }
1039 >        catch (InterruptedException ex) {
1040 >            unexpectedException();
1041 >        } finally {
1042 >            joinPool(e);
1043 >        }
1044 >    }
1045 >
1046 >    /**
1047 >     * completed submit of runnable returns successfully
1048 >     */
1049 >    public void testSubmitRunnable() {
1050 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1051 >        try {
1052 >            Future<?> future = e.submit(new NoOpRunnable());
1053 >            future.get();
1054 >            assertTrue(future.isDone());
1055 >        }
1056 >        catch (ExecutionException ex) {
1057 >            unexpectedException();
1058 >        }
1059 >        catch (InterruptedException ex) {
1060 >            unexpectedException();
1061 >        } finally {
1062 >            joinPool(e);
1063 >        }
1064 >    }
1065 >
1066 >    /**
1067 >     * completed submit of (runnable, result) returns result
1068 >     */
1069 >    public void testSubmitRunnable2() {
1070 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1071 >        try {
1072 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1073 >            String result = future.get();
1074 >            assertSame(TEST_STRING, result);
1075 >        }
1076 >        catch (ExecutionException ex) {
1077 >            unexpectedException();
1078 >        }
1079 >        catch (InterruptedException ex) {
1080 >            unexpectedException();
1081 >        } finally {
1082 >            joinPool(e);
1083 >        }
1084 >    }
1085 >
1086 >
1087 >
1088 >
1089 >
1090 >    /**
1091 >     * invokeAny(null) throws NPE
1092 >     */
1093 >    public void testInvokeAny1() {
1094 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1095 >        try {
1096 >            e.invokeAny(null);
1097 >        } catch (NullPointerException success) {
1098 >        } catch(Exception ex) {
1099 >            unexpectedException();
1100 >        } finally {
1101 >            joinPool(e);
1102 >        }
1103 >    }
1104 >
1105 >    /**
1106 >     * invokeAny(empty collection) throws IAE
1107 >     */
1108 >    public void testInvokeAny2() {
1109 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1110 >        try {
1111 >            e.invokeAny(new ArrayList<Callable<String>>());
1112 >        } catch (IllegalArgumentException success) {
1113 >        } catch(Exception ex) {
1114 >            unexpectedException();
1115 >        } finally {
1116 >            joinPool(e);
1117 >        }
1118 >    }
1119 >
1120 >    /**
1121 >     * invokeAny(c) throws NPE if c has null elements
1122 >     */
1123 >    public void testInvokeAny3() {
1124 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1125 >        try {
1126 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1127 >            l.add(new StringTask());
1128 >            l.add(null);
1129 >            e.invokeAny(l);
1130 >        } catch (NullPointerException success) {
1131 >        } catch(Exception ex) {
1132 >            unexpectedException();
1133 >        } finally {
1134 >            joinPool(e);
1135 >        }
1136 >    }
1137 >
1138 >    /**
1139 >     * invokeAny(c) throws ExecutionException if no task completes
1140 >     */
1141 >    public void testInvokeAny4() {
1142 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1143 >        try {
1144 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1145 >            l.add(new NPETask());
1146 >            e.invokeAny(l);
1147 >        } catch (ExecutionException success) {
1148 >        } catch(Exception ex) {
1149 >            unexpectedException();
1150 >        } finally {
1151 >            joinPool(e);
1152 >        }
1153 >    }
1154 >
1155 >    /**
1156 >     * invokeAny(c) returns result of some task
1157 >     */
1158 >    public void testInvokeAny5() {
1159 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1160 >        try {
1161 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1162 >            l.add(new StringTask());
1163 >            l.add(new StringTask());
1164 >            String result = e.invokeAny(l);
1165 >            assertSame(TEST_STRING, result);
1166 >        } catch (ExecutionException success) {
1167 >        } catch(Exception ex) {
1168 >            unexpectedException();
1169 >        } finally {
1170 >            joinPool(e);
1171 >        }
1172 >    }
1173 >
1174 >    /**
1175 >     * invokeAll(null) throws NPE
1176 >     */
1177 >    public void testInvokeAll1() {
1178 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1179 >        try {
1180 >            e.invokeAll(null);
1181 >        } catch (NullPointerException success) {
1182 >        } catch(Exception ex) {
1183 >            unexpectedException();
1184 >        } finally {
1185 >            joinPool(e);
1186 >        }
1187 >    }
1188 >
1189 >    /**
1190 >     * invokeAll(empty collection) returns empty collection
1191 >     */
1192 >    public void testInvokeAll2() {
1193 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1194 >        try {
1195 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1196 >            assertTrue(r.isEmpty());
1197 >        } catch(Exception ex) {
1198 >            unexpectedException();
1199 >        } finally {
1200 >            joinPool(e);
1201 >        }
1202 >    }
1203 >
1204 >    /**
1205 >     * invokeAll(c) throws NPE if c has null elements
1206 >     */
1207 >    public void testInvokeAll3() {
1208 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1209 >        try {
1210 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1211 >            l.add(new StringTask());
1212 >            l.add(null);
1213 >            e.invokeAll(l);
1214 >        } catch (NullPointerException success) {
1215 >        } catch(Exception ex) {
1216 >            unexpectedException();
1217 >        } finally {
1218 >            joinPool(e);
1219 >        }
1220 >    }
1221 >
1222 >    /**
1223 >     * get of element of invokeAll(c) throws exception on failed task
1224 >     */
1225 >    public void testInvokeAll4() {
1226 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1227 >        try {
1228 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1229 >            l.add(new NPETask());
1230 >            List<Future<String>> result = e.invokeAll(l);
1231 >            assertEquals(1, result.size());
1232 >            for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1233 >                it.next().get();
1234 >        } catch(ExecutionException success) {
1235 >        } catch(Exception ex) {
1236 >            unexpectedException();
1237 >        } finally {
1238 >            joinPool(e);
1239 >        }
1240 >    }
1241 >
1242 >    /**
1243 >     * invokeAll(c) returns results of all completed tasks
1244 >     */
1245 >    public void testInvokeAll5() {
1246 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1247 >        try {
1248 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1249 >            l.add(new StringTask());
1250 >            l.add(new StringTask());
1251 >            List<Future<String>> result = e.invokeAll(l);
1252 >            assertEquals(2, result.size());
1253 >            for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1254 >                assertSame(TEST_STRING, it.next().get());
1255 >        } catch (ExecutionException success) {
1256 >        } catch(Exception ex) {
1257 >            unexpectedException();
1258 >        } finally {
1259 >            joinPool(e);
1260 >        }
1261 >    }
1262 >
1263 >
1264 >
1265 >    /**
1266 >     * timed invokeAny(null) throws NPE
1267 >     */
1268 >    public void testTimedInvokeAny1() {
1269 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1270 >        try {
1271 >            e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1272 >        } catch (NullPointerException success) {
1273 >        } catch(Exception ex) {
1274 >            unexpectedException();
1275 >        } finally {
1276 >            joinPool(e);
1277 >        }
1278 >    }
1279 >
1280 >    /**
1281 >     * timed invokeAny(,,null) throws NPE
1282 >     */
1283 >    public void testTimedInvokeAnyNullTimeUnit() {
1284 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1285 >        try {
1286 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1287 >            l.add(new StringTask());
1288 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1289 >        } catch (NullPointerException success) {
1290 >        } catch(Exception ex) {
1291 >            unexpectedException();
1292 >        } finally {
1293 >            joinPool(e);
1294 >        }
1295 >    }
1296 >
1297 >    /**
1298 >     * timed invokeAny(empty collection) throws IAE
1299 >     */
1300 >    public void testTimedInvokeAny2() {
1301 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1302 >        try {
1303 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1304 >        } catch (IllegalArgumentException success) {
1305 >        } catch(Exception ex) {
1306 >            unexpectedException();
1307 >        } finally {
1308 >            joinPool(e);
1309 >        }
1310 >    }
1311 >
1312 >    /**
1313 >     * timed invokeAny(c) throws NPE if c has null elements
1314 >     */
1315 >    public void testTimedInvokeAny3() {
1316 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1317 >        try {
1318 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1319 >            l.add(new StringTask());
1320 >            l.add(null);
1321 >            e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1322 >        } catch (NullPointerException success) {
1323 >        } catch(Exception ex) {
1324 >            ex.printStackTrace();
1325 >            unexpectedException();
1326 >        } finally {
1327 >            joinPool(e);
1328 >        }
1329 >    }
1330 >
1331 >    /**
1332 >     * timed invokeAny(c) throws ExecutionException if no task completes
1333 >     */
1334 >    public void testTimedInvokeAny4() {
1335 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1336 >        try {
1337 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1338 >            l.add(new NPETask());
1339 >            e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1340 >        } catch(ExecutionException success) {
1341 >        } catch(Exception ex) {
1342 >            unexpectedException();
1343 >        } finally {
1344 >            joinPool(e);
1345 >        }
1346 >    }
1347 >
1348 >    /**
1349 >     * timed invokeAny(c) returns result of some task
1350 >     */
1351 >    public void testTimedInvokeAny5() {
1352 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1353 >        try {
1354 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1355 >            l.add(new StringTask());
1356 >            l.add(new StringTask());
1357 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1358 >            assertSame(TEST_STRING, result);
1359 >        } catch (ExecutionException success) {
1360 >        } catch(Exception ex) {
1361 >            unexpectedException();
1362 >        } finally {
1363 >            joinPool(e);
1364 >        }
1365 >    }
1366 >
1367 >    /**
1368 >     * timed invokeAll(null) throws NPE
1369 >     */
1370 >    public void testTimedInvokeAll1() {
1371 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1372 >        try {
1373 >            e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1374 >        } catch (NullPointerException success) {
1375 >        } catch(Exception ex) {
1376 >            unexpectedException();
1377 >        } finally {
1378 >            joinPool(e);
1379 >        }
1380 >    }
1381 >
1382 >    /**
1383 >     * timed invokeAll(,,null) throws NPE
1384 >     */
1385 >    public void testTimedInvokeAllNullTimeUnit() {
1386 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1387 >        try {
1388 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1389 >            l.add(new StringTask());
1390 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1391 >        } catch (NullPointerException success) {
1392 >        } catch(Exception ex) {
1393 >            unexpectedException();
1394 >        } finally {
1395 >            joinPool(e);
1396 >        }
1397 >    }
1398 >
1399 >    /**
1400 >     * timed invokeAll(empty collection) returns empty collection
1401 >     */
1402 >    public void testTimedInvokeAll2() {
1403 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1404 >        try {
1405 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1406 >            assertTrue(r.isEmpty());
1407 >        } catch(Exception ex) {
1408 >            unexpectedException();
1409 >        } finally {
1410 >            joinPool(e);
1411 >        }
1412 >    }
1413 >
1414 >    /**
1415 >     * timed invokeAll(c) throws NPE if c has null elements
1416 >     */
1417 >    public void testTimedInvokeAll3() {
1418 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1419 >        try {
1420 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1421 >            l.add(new StringTask());
1422 >            l.add(null);
1423 >            e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1424 >        } catch (NullPointerException success) {
1425 >        } catch(Exception ex) {
1426 >            unexpectedException();
1427 >        } finally {
1428 >            joinPool(e);
1429 >        }
1430 >    }
1431 >
1432 >    /**
1433 >     * get of element of invokeAll(c) throws exception on failed task
1434 >     */
1435 >    public void testTimedInvokeAll4() {
1436 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1437 >        try {
1438 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1439 >            l.add(new NPETask());
1440 >            List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1441 >            assertEquals(1, result.size());
1442 >            for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1443 >                it.next().get();
1444 >        } catch(ExecutionException success) {
1445 >        } catch(Exception ex) {
1446 >            unexpectedException();
1447 >        } finally {
1448 >            joinPool(e);
1449 >        }
1450 >    }
1451 >
1452 >    /**
1453 >     * timed invokeAll(c) returns results of all completed tasks
1454 >     */
1455 >    public void testTimedInvokeAll5() {
1456 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1457 >        try {
1458 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1459 >            l.add(new StringTask());
1460 >            l.add(new StringTask());
1461 >            List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1462 >            assertEquals(2, result.size());
1463 >            for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1464 >                assertSame(TEST_STRING, it.next().get());
1465 >        } catch (ExecutionException success) {
1466 >        } catch(Exception ex) {
1467 >            unexpectedException();
1468 >        } finally {
1469 >            joinPool(e);
1470 >        }
1471 >    }
1472 >
1473 >    /**
1474 >     * timed invokeAll(c) cancels tasks not completed by timeout
1475 >     */
1476 >    public void testTimedInvokeAll6() {
1477 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1478 >        try {
1479 >            ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1480 >            l.add(new StringTask());
1481 >            l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1482 >            l.add(new StringTask());
1483 >            List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1484 >            assertEquals(3, result.size());
1485 >            Iterator<Future<String>> it = result.iterator();
1486 >            Future<String> f1 = it.next();
1487 >            Future<String> f2 = it.next();
1488 >            Future<String> f3 = it.next();
1489 >            assertTrue(f1.isDone());
1490 >            assertTrue(f2.isDone());
1491 >            assertTrue(f3.isDone());
1492 >            assertFalse(f1.isCancelled());
1493 >            assertTrue(f2.isCancelled());
1494 >        } catch(Exception ex) {
1495 >            unexpectedException();
1496 >        } finally {
1497 >            joinPool(e);
1498 >        }
1499 >    }
1500 >
1501 >
1502   }

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