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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.5 by dl, Sat Sep 20 18:20:08 2003 UTC vs.
Revision 1.35 by jsr166, Sat Oct 9 19:30:35 2010 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/licenses/publicdomain
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9   import java.util.concurrent.*;
10 + import static java.util.concurrent.TimeUnit.MILLISECONDS;
11 + import java.util.concurrent.atomic.*;
12   import junit.framework.*;
13 < import java.util.List;
13 > import java.util.*;
14  
15   public class ThreadPoolExecutorTest extends JSR166TestCase {
16      public static void main(String[] args) {
17 <        junit.textui.TestRunner.run (suite());  
17 >        junit.textui.TestRunner.run(suite());
18      }
19      public static Test suite() {
20          return new TestSuite(ThreadPoolExecutorTest.class);
21      }
22 <    
23 <    /**
24 <     * For use as ThreadFactory in constructors
25 <     */
26 <    static class MyThreadFactory implements ThreadFactory{
27 <        public Thread newThread(Runnable r){
28 <            return new Thread(r);
29 <        }  
22 >
23 >    static class ExtendedTPE extends ThreadPoolExecutor {
24 >        volatile boolean beforeCalled = false;
25 >        volatile boolean afterCalled = false;
26 >        volatile boolean terminatedCalled = false;
27 >        public ExtendedTPE() {
28 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
29 >        }
30 >        protected void beforeExecute(Thread t, Runnable r) {
31 >            beforeCalled = true;
32 >        }
33 >        protected void afterExecute(Runnable r, Throwable t) {
34 >            afterCalled = true;
35 >        }
36 >        protected void terminated() {
37 >            terminatedCalled = true;
38 >        }
39      }
40  
41 <    /**
42 <     * For use as RejectedExecutionHandler in constructors
43 <     */
44 <    static class MyREHandler implements RejectedExecutionHandler{
45 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
41 >    static class FailingThreadFactory implements ThreadFactory {
42 >        int calls = 0;
43 >        public Thread newThread(Runnable r) {
44 >            if (++calls > 1) return null;
45 >            return new Thread(r);
46 >        }
47      }
48 <
48 >
49 >
50      /**
51 <     *   execute successfully executes a runnable
51 >     * execute successfully executes a runnable
52       */
53 <    public void testExecute() {
54 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
53 >    public void testExecute() throws InterruptedException {
54 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
55          try {
56 <            p1.execute(new Runnable() {
57 <                    public void run() {
58 <                        try {
59 <                            Thread.sleep(SHORT_DELAY_MS);
60 <                        } catch(InterruptedException e){
47 <                            threadUnexpectedException();
48 <                        }
49 <                    }
50 <                });
51 <            Thread.sleep(SMALL_DELAY_MS);
52 <        } catch(InterruptedException e){
53 <            unexpectedException();
54 <        }
55 <        joinPool(p1);
56 >            p1.execute(new ShortRunnable());
57 >            Thread.sleep(SMALL_DELAY_MS);
58 >        } finally {
59 >            joinPool(p1);
60 >        }
61      }
62  
63      /**
64 <     *   getActiveCount gives correct values
64 >     * getActiveCount increases but doesn't overestimate, when a
65 >     * thread becomes active
66       */
67 <    public void testGetActiveCount() {
68 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
67 >    public void testGetActiveCount() throws InterruptedException {
68 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
69          assertEquals(0, p2.getActiveCount());
70          p2.execute(new MediumRunnable());
71 <        try {
66 <            Thread.sleep(SHORT_DELAY_MS);
67 <        } catch(Exception e){
68 <            unexpectedException();
69 <        }
71 >        Thread.sleep(SHORT_DELAY_MS);
72          assertEquals(1, p2.getActiveCount());
73          joinPool(p2);
74      }
75 <    
75 >
76 >    /**
77 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
78 >     */
79 >    public void testPrestartCoreThread() {
80 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
81 >        assertEquals(0, p2.getPoolSize());
82 >        assertTrue(p2.prestartCoreThread());
83 >        assertEquals(1, p2.getPoolSize());
84 >        assertTrue(p2.prestartCoreThread());
85 >        assertEquals(2, p2.getPoolSize());
86 >        assertFalse(p2.prestartCoreThread());
87 >        assertEquals(2, p2.getPoolSize());
88 >        joinPool(p2);
89 >    }
90 >
91 >    /**
92 >     * prestartAllCoreThreads starts all corePoolSize threads
93 >     */
94 >    public void testPrestartAllCoreThreads() {
95 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
96 >        assertEquals(0, p2.getPoolSize());
97 >        p2.prestartAllCoreThreads();
98 >        assertEquals(2, p2.getPoolSize());
99 >        p2.prestartAllCoreThreads();
100 >        assertEquals(2, p2.getPoolSize());
101 >        joinPool(p2);
102 >    }
103 >
104      /**
105 <     *   getCompleteTaskCount gives correct values
105 >     * getCompletedTaskCount increases, but doesn't overestimate,
106 >     * when tasks complete
107       */
108 <    public void testGetCompletedTaskCount() {
109 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
108 >    public void testGetCompletedTaskCount() throws InterruptedException {
109 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
110          assertEquals(0, p2.getCompletedTaskCount());
111          p2.execute(new ShortRunnable());
112 <        try {
82 <            Thread.sleep(MEDIUM_DELAY_MS);
83 <        } catch(Exception e){
84 <            unexpectedException();
85 <        }
112 >        Thread.sleep(SMALL_DELAY_MS);
113          assertEquals(1, p2.getCompletedTaskCount());
114 <        p2.shutdown();
114 >        try { p2.shutdown(); } catch (SecurityException ok) { return; }
115          joinPool(p2);
116      }
117 <    
117 >
118      /**
119 <     *   getCorePoolSize gives correct values
119 >     * getCorePoolSize returns size given in constructor if not otherwise set
120       */
121      public void testGetCorePoolSize() {
122 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
122 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
123          assertEquals(1, p1.getCorePoolSize());
124          joinPool(p1);
125      }
126 <    
126 >
127      /**
128 <     *   getKeepAliveTime gives correct values
128 >     * getKeepAliveTime returns value given in constructor if not otherwise set
129       */
130      public void testGetKeepAliveTime() {
131 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
131 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
132          assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
133          joinPool(p2);
134      }
135 <    
135 >
136 >
137 >    /**
138 >     * getThreadFactory returns factory in constructor if not set
139 >     */
140 >    public void testGetThreadFactory() {
141 >        ThreadFactory tf = new SimpleThreadFactory();
142 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler());
143 >        assertSame(tf, p.getThreadFactory());
144 >        joinPool(p);
145 >    }
146 >
147 >    /**
148 >     * setThreadFactory sets the thread factory returned by getThreadFactory
149 >     */
150 >    public void testSetThreadFactory() {
151 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
152 >        ThreadFactory tf = new SimpleThreadFactory();
153 >        p.setThreadFactory(tf);
154 >        assertSame(tf, p.getThreadFactory());
155 >        joinPool(p);
156 >    }
157 >
158 >
159      /**
160 <     *   getLargestPoolSize gives correct values
160 >     * setThreadFactory(null) throws NPE
161       */
162 <    public void testGetLargestPoolSize() {
163 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
162 >    public void testSetThreadFactoryNull() {
163 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
164          try {
165 <            assertEquals(0, p2.getLargestPoolSize());
166 <            p2.execute(new MediumRunnable());
167 <            p2.execute(new MediumRunnable());
168 <            Thread.sleep(SHORT_DELAY_MS);
169 <            assertEquals(2, p2.getLargestPoolSize());
170 <        } catch(Exception e){
171 <            unexpectedException();
172 <        }
165 >            p.setThreadFactory(null);
166 >            shouldThrow();
167 >        } catch (NullPointerException success) {
168 >        } finally {
169 >            joinPool(p);
170 >        }
171 >    }
172 >
173 >    /**
174 >     * getRejectedExecutionHandler returns handler in constructor if not set
175 >     */
176 >    public void testGetRejectedExecutionHandler() {
177 >        RejectedExecutionHandler h = new NoOpREHandler();
178 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h);
179 >        assertSame(h, p.getRejectedExecutionHandler());
180 >        joinPool(p);
181 >    }
182 >
183 >    /**
184 >     * setRejectedExecutionHandler sets the handler returned by
185 >     * getRejectedExecutionHandler
186 >     */
187 >    public void testSetRejectedExecutionHandler() {
188 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
189 >        RejectedExecutionHandler h = new NoOpREHandler();
190 >        p.setRejectedExecutionHandler(h);
191 >        assertSame(h, p.getRejectedExecutionHandler());
192 >        joinPool(p);
193 >    }
194 >
195 >
196 >    /**
197 >     * setRejectedExecutionHandler(null) throws NPE
198 >     */
199 >    public void testSetRejectedExecutionHandlerNull() {
200 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
201 >        try {
202 >            p.setRejectedExecutionHandler(null);
203 >            shouldThrow();
204 >        } catch (NullPointerException success) {
205 >        } finally {
206 >            joinPool(p);
207 >        }
208 >    }
209 >
210 >
211 >    /**
212 >     * getLargestPoolSize increases, but doesn't overestimate, when
213 >     * multiple threads active
214 >     */
215 >    public void testGetLargestPoolSize() throws InterruptedException {
216 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217 >        assertEquals(0, p2.getLargestPoolSize());
218 >        p2.execute(new MediumRunnable());
219 >        p2.execute(new MediumRunnable());
220 >        Thread.sleep(SHORT_DELAY_MS);
221 >        assertEquals(2, p2.getLargestPoolSize());
222          joinPool(p2);
223      }
224 <    
224 >
225      /**
226 <     *   getMaximumPoolSize gives correct values
226 >     * getMaximumPoolSize returns value given in constructor if not
227 >     * otherwise set
228       */
229      public void testGetMaximumPoolSize() {
230 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
230 >        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
231          assertEquals(2, p2.getMaximumPoolSize());
232          joinPool(p2);
233      }
234 <    
234 >
235      /**
236 <     *   getPoolSize gives correct values
236 >     * getPoolSize increases, but doesn't overestimate, when threads
237 >     * become active
238       */
239      public void testGetPoolSize() {
240 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
240 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
241          assertEquals(0, p1.getPoolSize());
242          p1.execute(new MediumRunnable());
243          assertEquals(1, p1.getPoolSize());
244          joinPool(p1);
245      }
246 <    
246 >
247      /**
248 <     *   getTaskCount gives correct values
248 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
249       */
250 <    public void testGetTaskCount() {
251 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
252 <        try {
253 <            assertEquals(0, p1.getTaskCount());
254 <            p1.execute(new MediumRunnable());
255 <            Thread.sleep(SHORT_DELAY_MS);
155 <            assertEquals(1, p1.getTaskCount());
156 <        } catch(Exception e){
157 <            unexpectedException();
158 <        }
250 >    public void testGetTaskCount() throws InterruptedException {
251 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
252 >        assertEquals(0, p1.getTaskCount());
253 >        p1.execute(new MediumRunnable());
254 >        Thread.sleep(SHORT_DELAY_MS);
255 >        assertEquals(1, p1.getTaskCount());
256          joinPool(p1);
257      }
258 <    
258 >
259      /**
260 <     *   isShutDown gives correct values
260 >     * isShutDown is false before shutdown, true after
261       */
262      public void testIsShutdown() {
263 <        
264 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
263 >
264 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
265          assertFalse(p1.isShutdown());
266 <        p1.shutdown();
267 <        assertTrue(p1.isShutdown());
266 >        try { p1.shutdown(); } catch (SecurityException ok) { return; }
267 >        assertTrue(p1.isShutdown());
268          joinPool(p1);
269      }
270  
271 <        
271 >
272      /**
273 <     *   isTerminated gives correct values
177 <     *  Makes sure termination does not take an innapropriate
178 <     *  amount of time
273 >     * isTerminated is false before termination, true after
274       */
275 <    public void testIsTerminated() {
276 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
275 >    public void testIsTerminated() throws InterruptedException {
276 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
277 >        assertFalse(p1.isTerminated());
278          try {
279              p1.execute(new MediumRunnable());
280          } finally {
281 <            p1.shutdown();
281 >            try { p1.shutdown(); } catch (SecurityException ok) { return; }
282          }
283 <        try {
284 <            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
189 <            assertTrue(p1.isTerminated());
190 <        } catch(Exception e){
191 <            unexpectedException();
192 <        }      
283 >        assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
284 >        assertTrue(p1.isTerminated());
285      }
286  
287      /**
288 <     *  isTerminating gives correct values
288 >     * isTerminating is not true when running or when terminated
289       */
290 <    public void testIsTerminating() {
291 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
290 >    public void testIsTerminating() throws InterruptedException {
291 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
292          assertFalse(p1.isTerminating());
293          try {
294              p1.execute(new SmallRunnable());
295              assertFalse(p1.isTerminating());
296          } finally {
297 <            p1.shutdown();
297 >            try { p1.shutdown(); } catch (SecurityException ok) { return; }
298 >        }
299 >        assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
300 >        assertTrue(p1.isTerminated());
301 >        assertFalse(p1.isTerminating());
302 >    }
303 >
304 >    /**
305 >     * getQueue returns the work queue, which contains queued tasks
306 >     */
307 >    public void testGetQueue() throws InterruptedException {
308 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
309 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, q);
310 >        FutureTask[] tasks = new FutureTask[5];
311 >        for (int i = 0; i < 5; i++) {
312 >            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
313 >            p1.execute(tasks[i]);
314          }
315          try {
316 <            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
317 <            assertTrue(p1.isTerminated());
318 <            assertFalse(p1.isTerminating());
319 <        } catch(Exception e){
320 <            unexpectedException();
321 <        }      
316 >            Thread.sleep(SHORT_DELAY_MS);
317 >            BlockingQueue<Runnable> wq = p1.getQueue();
318 >            assertSame(q, wq);
319 >            assertFalse(wq.contains(tasks[0]));
320 >            assertTrue(wq.contains(tasks[4]));
321 >            for (int i = 1; i < 5; ++i)
322 >                tasks[i].cancel(true);
323 >            p1.shutdownNow();
324 >        } finally {
325 >            joinPool(p1);
326 >        }
327      }
328  
329      /**
330 <     *   purge correctly removes cancelled tasks
331 <     *  from the queue
330 >     * remove(task) removes queued task, and fails to remove active task
331 >     */
332 >    public void testRemove() throws InterruptedException {
333 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
334 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, q);
335 >        FutureTask[] tasks = new FutureTask[5];
336 >        for (int i = 0; i < 5; i++) {
337 >            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
338 >            p1.execute(tasks[i]);
339 >        }
340 >        try {
341 >            Thread.sleep(SHORT_DELAY_MS);
342 >            assertFalse(p1.remove(tasks[0]));
343 >            assertTrue(q.contains(tasks[4]));
344 >            assertTrue(q.contains(tasks[3]));
345 >            assertTrue(p1.remove(tasks[4]));
346 >            assertFalse(p1.remove(tasks[4]));
347 >            assertFalse(q.contains(tasks[4]));
348 >            assertTrue(q.contains(tasks[3]));
349 >            assertTrue(p1.remove(tasks[3]));
350 >            assertFalse(q.contains(tasks[3]));
351 >        } finally {
352 >            joinPool(p1);
353 >        }
354 >    }
355 >
356 >    /**
357 >     * purge removes cancelled tasks from the queue
358       */
359      public void testPurge() {
360 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
361 <        CancellableTask[] tasks = new CancellableTask[5];
362 <        for(int i = 0; i < 5; i++){
363 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
360 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
361 >        FutureTask[] tasks = new FutureTask[5];
362 >        for (int i = 0; i < 5; i++) {
363 >            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
364              p1.execute(tasks[i]);
365          }
366          tasks[4].cancel(true);
# Line 233 | Line 372 | public class ThreadPoolExecutorTest exte
372      }
373  
374      /**
375 <     *   shutDownNow returns a list
237 <     *  containing the correct number of elements
375 >     * shutDownNow returns a list containing tasks that were not run
376       */
377      public void testShutDownNow() {
378 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
378 >        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
379          List l;
380          try {
381 <            for(int i = 0; i < 5; i++)
381 >            for (int i = 0; i < 5; i++)
382                  p1.execute(new MediumPossiblyInterruptedRunnable());
383          }
384          finally {
385 <            l = p1.shutdownNow();
385 >            try {
386 >                l = p1.shutdownNow();
387 >            } catch (SecurityException ok) { return; }
388          }
389 <        assertTrue(p1.isShutdown());
390 <        assertTrue(l.size() <= 4);
389 >        assertTrue(p1.isShutdown());
390 >        assertTrue(l.size() <= 4);
391      }
392  
393      // Exception Tests
254    
394  
395 <    /** Throws if corePoolSize argument is less than zero */
395 >
396 >    /**
397 >     * Constructor throws if corePoolSize argument is less than zero
398 >     */
399      public void testConstructor1() {
400          try {
401 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
401 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
402              shouldThrow();
403 <        }
262 <        catch (IllegalArgumentException success){}
403 >        } catch (IllegalArgumentException success) {}
404      }
405 <    
406 <    /** Throws if maximumPoolSize is less than zero */
405 >
406 >    /**
407 >     * Constructor throws if maximumPoolSize is less than zero
408 >     */
409      public void testConstructor2() {
410          try {
411 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
411 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
412              shouldThrow();
413 <        }
271 <        catch (IllegalArgumentException success){}
413 >        } catch (IllegalArgumentException success) {}
414      }
415 <    
416 <    /** Throws if maximumPoolSize is equal to zero */
415 >
416 >    /**
417 >     * Constructor throws if maximumPoolSize is equal to zero
418 >     */
419      public void testConstructor3() {
420          try {
421 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
421 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
422              shouldThrow();
423 <        }
280 <        catch (IllegalArgumentException success){}
423 >        } catch (IllegalArgumentException success) {}
424      }
425  
426 <    /** Throws if keepAliveTime is less than zero */
426 >    /**
427 >     * Constructor throws if keepAliveTime is less than zero
428 >     */
429      public void testConstructor4() {
430          try {
431 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
431 >            new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
432              shouldThrow();
433 <        }
289 <        catch (IllegalArgumentException success){}
433 >        } catch (IllegalArgumentException success) {}
434      }
435  
436 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
436 >    /**
437 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
438 >     */
439      public void testConstructor5() {
440          try {
441 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
441 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
442              shouldThrow();
443 <        }
298 <        catch (IllegalArgumentException success){}
443 >        } catch (IllegalArgumentException success) {}
444      }
445 <        
446 <    /** Throws if workQueue is set to null */
447 <    public void testNullPointerException() {
445 >
446 >    /**
447 >     * Constructor throws if workQueue is set to null
448 >     */
449 >    public void testConstructorNullPointerException() {
450          try {
451 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
451 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null);
452              shouldThrow();
453 <        }
307 <        catch (NullPointerException success){}  
453 >        } catch (NullPointerException success) {}
454      }
309    
455  
456 <    
457 <    /** Throws if corePoolSize argument is less than zero */
456 >
457 >
458 >    /**
459 >     * Constructor throws if corePoolSize argument is less than zero
460 >     */
461      public void testConstructor6() {
462          try {
463 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
463 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
464              shouldThrow();
465 <        } catch (IllegalArgumentException success){}
465 >        } catch (IllegalArgumentException success) {}
466      }
467 <    
468 <    /** Throws if maximumPoolSize is less than zero */
467 >
468 >    /**
469 >     * Constructor throws if maximumPoolSize is less than zero
470 >     */
471      public void testConstructor7() {
472          try {
473 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
473 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
474              shouldThrow();
475 <        }
326 <        catch (IllegalArgumentException success){}
475 >        } catch (IllegalArgumentException success) {}
476      }
477  
478 <    /** Throws if maximumPoolSize is equal to zero */
478 >    /**
479 >     * Constructor throws if maximumPoolSize is equal to zero
480 >     */
481      public void testConstructor8() {
482          try {
483 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
483 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
484              shouldThrow();
485 <        }
335 <        catch (IllegalArgumentException success){}
485 >        } catch (IllegalArgumentException success) {}
486      }
487  
488 <    /** Throws if keepAliveTime is less than zero */
488 >    /**
489 >     * Constructor throws if keepAliveTime is less than zero
490 >     */
491      public void testConstructor9() {
492          try {
493 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
493 >            new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
494              shouldThrow();
495 <        }
344 <        catch (IllegalArgumentException success){}
495 >        } catch (IllegalArgumentException success) {}
496      }
497  
498 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
498 >    /**
499 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
500 >     */
501      public void testConstructor10() {
502          try {
503 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
503 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
504              shouldThrow();
505 <        }
353 <        catch (IllegalArgumentException success){}
505 >        } catch (IllegalArgumentException success) {}
506      }
507  
508 <    /** Throws if workQueue is set to null */
509 <    public void testNullPointerException2() {
508 >    /**
509 >     * Constructor throws if workQueue is set to null
510 >     */
511 >    public void testConstructorNullPointerException2() {
512          try {
513 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
513 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory());
514              shouldThrow();
515 <        }
362 <        catch (NullPointerException success){}  
515 >        } catch (NullPointerException success) {}
516      }
517  
518 <    /** Throws if threadFactory is set to null */
519 <    public void testNullPointerException3() {
518 >    /**
519 >     * Constructor throws if threadFactory is set to null
520 >     */
521 >    public void testConstructorNullPointerException3() {
522          try {
523              ThreadFactory f = null;
524 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
524 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
525              shouldThrow();
526 <        }
372 <        catch (NullPointerException success){}  
526 >        } catch (NullPointerException success) {}
527      }
528 <
529 <    
530 <    /** Throws if corePoolSize argument is less than zero */
528 >
529 >
530 >    /**
531 >     * Constructor throws if corePoolSize argument is less than zero
532 >     */
533      public void testConstructor11() {
534          try {
535 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
535 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
536              shouldThrow();
537 <        }
382 <        catch (IllegalArgumentException success){}
537 >        } catch (IllegalArgumentException success) {}
538      }
539  
540 <    /** Throws if maximumPoolSize is less than zero */
540 >    /**
541 >     * Constructor throws if maximumPoolSize is less than zero
542 >     */
543      public void testConstructor12() {
544          try {
545 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
545 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
546              shouldThrow();
547 <        }
391 <        catch (IllegalArgumentException success){}
547 >        } catch (IllegalArgumentException success) {}
548      }
549  
550 <    /** Throws if maximumPoolSize is equal to zero */
550 >    /**
551 >     * Constructor throws if maximumPoolSize is equal to zero
552 >     */
553      public void testConstructor13() {
554          try {
555 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
555 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
556              shouldThrow();
557 <        }
400 <        catch (IllegalArgumentException success){}
557 >        } catch (IllegalArgumentException success) {}
558      }
559  
560 <    /** Throws if keepAliveTime is less than zero */
560 >    /**
561 >     * Constructor throws if keepAliveTime is less than zero
562 >     */
563      public void testConstructor14() {
564          try {
565 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
565 >            new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
566              shouldThrow();
567 <        }
409 <        catch (IllegalArgumentException success){}
567 >        } catch (IllegalArgumentException success) {}
568      }
569  
570 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
570 >    /**
571 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
572 >     */
573      public void testConstructor15() {
574          try {
575 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
575 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
576              shouldThrow();
577 <        }
418 <        catch (IllegalArgumentException success){}
577 >        } catch (IllegalArgumentException success) {}
578      }
579  
580 <    /** Throws if workQueue is set to null */
581 <    public void testNullPointerException4() {
580 >    /**
581 >     * Constructor throws if workQueue is set to null
582 >     */
583 >    public void testConstructorNullPointerException4() {
584          try {
585 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
585 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null,new NoOpREHandler());
586              shouldThrow();
587 <        }
427 <        catch (NullPointerException success){}  
587 >        } catch (NullPointerException success) {}
588      }
589  
590 <    /** Throws if handler is set to null */
591 <    public void testNullPointerException5() {
590 >    /**
591 >     * Constructor throws if handler is set to null
592 >     */
593 >    public void testConstructorNullPointerException5() {
594          try {
595              RejectedExecutionHandler r = null;
596 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
596 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
597              shouldThrow();
598 <        }
437 <        catch (NullPointerException success){}  
598 >        } catch (NullPointerException success) {}
599      }
600  
601 <    
602 <    /** Throws if corePoolSize argument is less than zero */
601 >
602 >    /**
603 >     * Constructor throws if corePoolSize argument is less than zero
604 >     */
605      public void testConstructor16() {
606          try {
607 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
607 >            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
608              shouldThrow();
609 <        }
447 <        catch (IllegalArgumentException success){}
609 >        } catch (IllegalArgumentException success) {}
610      }
611  
612 <    /** Throws if maximumPoolSize is less than zero */
612 >    /**
613 >     * Constructor throws if maximumPoolSize is less than zero
614 >     */
615      public void testConstructor17() {
616          try {
617 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
617 >            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
618              shouldThrow();
619 <        }
456 <        catch (IllegalArgumentException success){}
619 >        } catch (IllegalArgumentException success) {}
620      }
621  
622 <    /** Throws if maximumPoolSize is equal to zero */
622 >    /**
623 >     * Constructor throws if maximumPoolSize is equal to zero
624 >     */
625      public void testConstructor18() {
626          try {
627 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
627 >            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
628              shouldThrow();
629 <        }
465 <        catch (IllegalArgumentException success){}
629 >        } catch (IllegalArgumentException success) {}
630      }
631  
632 <    /** Throws if keepAliveTime is less than zero */
632 >    /**
633 >     * Constructor throws if keepAliveTime is less than zero
634 >     */
635      public void testConstructor19() {
636          try {
637 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
637 >            new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
638              shouldThrow();
639 <        }
474 <        catch (IllegalArgumentException success){}
639 >        } catch (IllegalArgumentException success) {}
640      }
641  
642 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
642 >    /**
643 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
644 >     */
645      public void testConstructor20() {
646          try {
647 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
647 >            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
648              shouldThrow();
649 <        }
483 <        catch (IllegalArgumentException success){}
649 >        } catch (IllegalArgumentException success) {}
650      }
651  
652 <    /** Throws if workQueue is set to null */
653 <    public void testNullPointerException6() {
652 >    /**
653 >     * Constructor throws if workQueue is set to null
654 >     */
655 >    public void testConstructorNullPointerException6() {
656          try {
657 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
657 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
658              shouldThrow();
659 <        }
492 <        catch (NullPointerException success){}  
659 >        } catch (NullPointerException success) {}
660      }
661  
662 <    /** Throws if handler is set to null */
663 <    public void testNullPointerException7() {
662 >    /**
663 >     * Constructor throws if handler is set to null
664 >     */
665 >    public void testConstructorNullPointerException7() {
666          try {
667              RejectedExecutionHandler r = null;
668 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
668 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
669              shouldThrow();
670 <        }
502 <        catch (NullPointerException success){}  
670 >        } catch (NullPointerException success) {}
671      }
672  
673 <    /** Throws if ThreadFactory is set top null */
674 <    public void testNullPointerException8() {
673 >    /**
674 >     * Constructor throws if ThreadFactory is set top null
675 >     */
676 >    public void testConstructorNullPointerException8() {
677          try {
678              ThreadFactory f = null;
679 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
679 >            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
680 >            shouldThrow();
681 >        } catch (NullPointerException success) {}
682 >    }
683 >
684 >
685 >    /**
686 >     * execute throws RejectedExecutionException if saturated.
687 >     */
688 >    public void testSaturatedExecute() {
689 >        ThreadPoolExecutor p =
690 >            new ThreadPoolExecutor(1, 1,
691 >                                   LONG_DELAY_MS, MILLISECONDS,
692 >                                   new ArrayBlockingQueue<Runnable>(1));
693 >        try {
694 >            for (int i = 0; i < 2; ++i)
695 >                p.execute(new MediumRunnable());
696 >            for (int i = 0; i < 2; ++i) {
697 >                try {
698 >                    p.execute(new MediumRunnable());
699 >                    shouldThrow();
700 >                } catch (RejectedExecutionException success) {}
701 >            }
702 >        } finally {
703 >            joinPool(p);
704 >        }
705 >    }
706 >
707 >    /**
708 >     * executor using CallerRunsPolicy runs task if saturated.
709 >     */
710 >    public void testSaturatedExecute2() {
711 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
712 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
713 >        try {
714 >
715 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
716 >            for (int i = 0; i < 5; ++i) {
717 >                tasks[i] = new TrackedNoOpRunnable();
718 >            }
719 >            TrackedLongRunnable mr = new TrackedLongRunnable();
720 >            p.execute(mr);
721 >            for (int i = 0; i < 5; ++i) {
722 >                p.execute(tasks[i]);
723 >            }
724 >            for (int i = 1; i < 5; ++i) {
725 >                assertTrue(tasks[i].done);
726 >            }
727 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
728 >        } finally {
729 >            joinPool(p);
730 >        }
731 >    }
732 >
733 >    /**
734 >     * executor using DiscardPolicy drops task if saturated.
735 >     */
736 >    public void testSaturatedExecute3() {
737 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
738 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
739 >        try {
740 >
741 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
742 >            for (int i = 0; i < 5; ++i) {
743 >                tasks[i] = new TrackedNoOpRunnable();
744 >            }
745 >            p.execute(new TrackedLongRunnable());
746 >            for (int i = 0; i < 5; ++i) {
747 >                p.execute(tasks[i]);
748 >            }
749 >            for (int i = 0; i < 5; ++i) {
750 >                assertFalse(tasks[i].done);
751 >            }
752 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
753 >        } finally {
754 >            joinPool(p);
755 >        }
756 >    }
757 >
758 >    /**
759 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
760 >     */
761 >    public void testSaturatedExecute4() {
762 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
763 >        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
764 >        try {
765 >            p.execute(new TrackedLongRunnable());
766 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
767 >            p.execute(r2);
768 >            assertTrue(p.getQueue().contains(r2));
769 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
770 >            p.execute(r3);
771 >            assertFalse(p.getQueue().contains(r2));
772 >            assertTrue(p.getQueue().contains(r3));
773 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
774 >        } finally {
775 >            joinPool(p);
776 >        }
777 >    }
778 >
779 >    /**
780 >     * execute throws RejectedExecutionException if shutdown
781 >     */
782 >    public void testRejectedExecutionExceptionOnShutdown() {
783 >        ThreadPoolExecutor tpe =
784 >            new ThreadPoolExecutor(1,1,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
785 >        try { tpe.shutdown(); } catch (SecurityException ok) { return; }
786 >        try {
787 >            tpe.execute(new NoOpRunnable());
788              shouldThrow();
789 +        } catch (RejectedExecutionException success) {}
790 +
791 +        joinPool(tpe);
792 +    }
793 +
794 +    /**
795 +     * execute using CallerRunsPolicy drops task on shutdown
796 +     */
797 +    public void testCallerRunsOnShutdown() {
798 +        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
799 +        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
800 +
801 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
802 +        try {
803 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
804 +            p.execute(r);
805 +            assertFalse(r.done);
806 +        } finally {
807 +            joinPool(p);
808 +        }
809 +    }
810 +
811 +    /**
812 +     * execute using DiscardPolicy drops task on shutdown
813 +     */
814 +    public void testDiscardOnShutdown() {
815 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
816 +        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
817 +
818 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
819 +        try {
820 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
821 +            p.execute(r);
822 +            assertFalse(r.done);
823 +        } finally {
824 +            joinPool(p);
825 +        }
826 +    }
827 +
828 +
829 +    /**
830 +     * execute using DiscardOldestPolicy drops task on shutdown
831 +     */
832 +    public void testDiscardOldestOnShutdown() {
833 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
834 +        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
835 +
836 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
837 +        try {
838 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
839 +            p.execute(r);
840 +            assertFalse(r.done);
841 +        } finally {
842 +            joinPool(p);
843          }
512        catch (NullPointerException successdn8){}  
844      }
845 <    
845 >
846  
847      /**
848 <     *   execute will throw RejectedExcutionException
518 <     *  ThreadPoolExecutor will throw one when more runnables are
519 <     *  executed then will fit in the Queue.
848 >     * execute(null) throws NPE
849       */
850 <    public void testRejectedExecutionException() {
851 <        ThreadPoolExecutor tpe = null;
850 >    public void testExecuteNull() {
851 >        ThreadPoolExecutor tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
852          try {
853 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
854 <        } catch(Exception e){}
855 <        tpe.shutdown();
856 <        try {
857 <            tpe.execute(new NoOpRunnable());
529 <            shouldThrow();
530 <        } catch(RejectedExecutionException success){}
531 <        
532 <        joinPool(tpe);
853 >            tpe.execute(null);
854 >            shouldThrow();
855 >        } catch (NullPointerException success) {}
856 >
857 >        joinPool(tpe);
858      }
859 <    
859 >
860      /**
861 <     *   setCorePoolSize will throw IllegalArgumentException
537 <     *  when given a negative
861 >     * setCorePoolSize of negative value throws IllegalArgumentException
862       */
863      public void testCorePoolSizeIllegalArgumentException() {
864 <        ThreadPoolExecutor tpe = null;
865 <        try {
866 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
867 <        } catch(Exception e){}
868 <        try {
869 <            tpe.setCorePoolSize(-1);
870 <            shouldThrow();
871 <        } catch(IllegalArgumentException success){
864 >        ThreadPoolExecutor tpe =
865 >            new ThreadPoolExecutor(1, 2,
866 >                                   LONG_DELAY_MS, MILLISECONDS,
867 >                                   new ArrayBlockingQueue<Runnable>(10));
868 >        try {
869 >            tpe.setCorePoolSize(-1);
870 >            shouldThrow();
871 >        } catch (IllegalArgumentException success) {
872          } finally {
873 <            tpe.shutdown();
873 >            try { tpe.shutdown(); } catch (SecurityException ok) { return; }
874          }
875          joinPool(tpe);
876 <    }  
876 >    }
877  
554    
878      /**
879 <     *   setMaximumPoolSize(int) will throw IllegalArgumentException
880 <     *  if given a value less the it's actual core pool size
881 <     */  
879 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
880 >     * given a value less the core pool size
881 >     */
882      public void testMaximumPoolSizeIllegalArgumentException() {
883 <        ThreadPoolExecutor tpe = null;
884 <        try {
885 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
886 <        } catch(Exception e){}
883 >        ThreadPoolExecutor tpe =
884 >            new ThreadPoolExecutor(2, 3,
885 >                                   LONG_DELAY_MS, MILLISECONDS,
886 >                                   new ArrayBlockingQueue<Runnable>(10));
887          try {
888              tpe.setMaximumPoolSize(1);
889              shouldThrow();
890 <        } catch(IllegalArgumentException success){
890 >        } catch (IllegalArgumentException success) {
891          } finally {
892 <            tpe.shutdown();
892 >            try { tpe.shutdown(); } catch (SecurityException ok) { return; }
893          }
894          joinPool(tpe);
895      }
896 <    
896 >
897      /**
898 <     *   setMaximumPoolSize will throw IllegalArgumentException
899 <     *  if given a negative number
898 >     * setMaximumPoolSize throws IllegalArgumentException
899 >     * if given a negative value
900       */
901      public void testMaximumPoolSizeIllegalArgumentException2() {
902 <        ThreadPoolExecutor tpe = null;
903 <        try {
904 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
905 <        } catch(Exception e){}
902 >        ThreadPoolExecutor tpe =
903 >            new ThreadPoolExecutor(2, 3,
904 >                                   LONG_DELAY_MS, MILLISECONDS,
905 >                                   new ArrayBlockingQueue<Runnable>(10));
906          try {
907              tpe.setMaximumPoolSize(-1);
908              shouldThrow();
909 <        } catch(IllegalArgumentException success){
909 >        } catch (IllegalArgumentException success) {
910          } finally {
911 <            tpe.shutdown();
911 >            try { tpe.shutdown(); } catch (SecurityException ok) { return; }
912          }
913          joinPool(tpe);
914      }
915 <    
915 >
916  
917      /**
918 <     *   setKeepAliveTime will throw IllegalArgumentException
919 <     *  when given a negative value
918 >     * setKeepAliveTime throws IllegalArgumentException
919 >     * when given a negative value
920       */
921      public void testKeepAliveTimeIllegalArgumentException() {
922 <        ThreadPoolExecutor tpe = null;
922 >        ThreadPoolExecutor tpe =
923 >            new ThreadPoolExecutor(2, 3,
924 >                                   LONG_DELAY_MS, MILLISECONDS,
925 >                                   new ArrayBlockingQueue<Runnable>(10));
926 >        try {
927 >            tpe.setKeepAliveTime(-1,MILLISECONDS);
928 >            shouldThrow();
929 >        } catch (IllegalArgumentException success) {
930 >        } finally {
931 >            try { tpe.shutdown(); } catch (SecurityException ok) { return; }
932 >        }
933 >        joinPool(tpe);
934 >    }
935 >
936 >    /**
937 >     * terminated() is called on termination
938 >     */
939 >    public void testTerminated() {
940 >        ExtendedTPE tpe = new ExtendedTPE();
941 >        try { tpe.shutdown(); } catch (SecurityException ok) { return; }
942 >        assertTrue(tpe.terminatedCalled);
943 >        joinPool(tpe);
944 >    }
945 >
946 >    /**
947 >     * beforeExecute and afterExecute are called when executing task
948 >     */
949 >    public void testBeforeAfter() throws InterruptedException {
950 >        ExtendedTPE tpe = new ExtendedTPE();
951 >        try {
952 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
953 >            tpe.execute(r);
954 >            Thread.sleep(SHORT_DELAY_MS);
955 >            assertTrue(r.done);
956 >            assertTrue(tpe.beforeCalled);
957 >            assertTrue(tpe.afterCalled);
958 >            try { tpe.shutdown(); } catch (SecurityException ok) { return; }
959 >        } finally {
960 >            joinPool(tpe);
961 >        }
962 >    }
963 >
964 >    /**
965 >     * completed submit of callable returns result
966 >     */
967 >    public void testSubmitCallable() throws Exception {
968 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
969 >        try {
970 >            Future<String> future = e.submit(new StringTask());
971 >            String result = future.get();
972 >            assertSame(TEST_STRING, result);
973 >        } finally {
974 >            joinPool(e);
975 >        }
976 >    }
977 >
978 >    /**
979 >     * completed submit of runnable returns successfully
980 >     */
981 >    public void testSubmitRunnable() throws Exception {
982 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
983 >        try {
984 >            Future<?> future = e.submit(new NoOpRunnable());
985 >            future.get();
986 >            assertTrue(future.isDone());
987 >        } finally {
988 >            joinPool(e);
989 >        }
990 >    }
991 >
992 >    /**
993 >     * completed submit of (runnable, result) returns result
994 >     */
995 >    public void testSubmitRunnable2() throws Exception {
996 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
997 >        try {
998 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
999 >            String result = future.get();
1000 >            assertSame(TEST_STRING, result);
1001 >        } finally {
1002 >            joinPool(e);
1003 >        }
1004 >    }
1005 >
1006 >
1007 >    /**
1008 >     * invokeAny(null) throws NPE
1009 >     */
1010 >    public void testInvokeAny1() throws Exception {
1011 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1012 >        try {
1013 >            e.invokeAny(null);
1014 >            shouldThrow();
1015 >        } catch (NullPointerException success) {
1016 >        } finally {
1017 >            joinPool(e);
1018 >        }
1019 >    }
1020 >
1021 >    /**
1022 >     * invokeAny(empty collection) throws IAE
1023 >     */
1024 >    public void testInvokeAny2() throws Exception {
1025 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1026 >        try {
1027 >            e.invokeAny(new ArrayList<Callable<String>>());
1028 >            shouldThrow();
1029 >        } catch (IllegalArgumentException success) {
1030 >        } finally {
1031 >            joinPool(e);
1032 >        }
1033 >    }
1034 >
1035 >    /**
1036 >     * invokeAny(c) throws NPE if c has null elements
1037 >     */
1038 >    public void testInvokeAny3() throws Exception {
1039 >        CountDownLatch latch = new CountDownLatch(1);
1040 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1041 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1042 >        l.add(latchAwaitingStringTask(latch));
1043 >        l.add(null);
1044 >        try {
1045 >            e.invokeAny(l);
1046 >            shouldThrow();
1047 >        } catch (NullPointerException success) {
1048 >        } finally {
1049 >            latch.countDown();
1050 >            joinPool(e);
1051 >        }
1052 >    }
1053 >
1054 >    /**
1055 >     * invokeAny(c) throws ExecutionException if no task completes
1056 >     */
1057 >    public void testInvokeAny4() throws Exception {
1058 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1059 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1060 >        l.add(new NPETask());
1061 >        try {
1062 >            e.invokeAny(l);
1063 >            shouldThrow();
1064 >        } catch (ExecutionException success) {
1065 >            assertTrue(success.getCause() instanceof NullPointerException);
1066 >        } finally {
1067 >            joinPool(e);
1068 >        }
1069 >    }
1070 >
1071 >    /**
1072 >     * invokeAny(c) returns result of some task
1073 >     */
1074 >    public void testInvokeAny5() throws Exception {
1075 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1076 >        try {
1077 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1078 >            l.add(new StringTask());
1079 >            l.add(new StringTask());
1080 >            String result = e.invokeAny(l);
1081 >            assertSame(TEST_STRING, result);
1082 >        } finally {
1083 >            joinPool(e);
1084 >        }
1085 >    }
1086 >
1087 >    /**
1088 >     * invokeAll(null) throws NPE
1089 >     */
1090 >    public void testInvokeAll1() throws Exception {
1091 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1092 >        try {
1093 >            e.invokeAll(null);
1094 >            shouldThrow();
1095 >        } catch (NullPointerException success) {
1096 >        } finally {
1097 >            joinPool(e);
1098 >        }
1099 >    }
1100 >
1101 >    /**
1102 >     * invokeAll(empty collection) returns empty collection
1103 >     */
1104 >    public void testInvokeAll2() throws InterruptedException {
1105 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1106 >        try {
1107 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1108 >            assertTrue(r.isEmpty());
1109 >        } finally {
1110 >            joinPool(e);
1111 >        }
1112 >    }
1113 >
1114 >    /**
1115 >     * invokeAll(c) throws NPE if c has null elements
1116 >     */
1117 >    public void testInvokeAll3() throws Exception {
1118 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1119 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1120 >        l.add(new StringTask());
1121 >        l.add(null);
1122 >        try {
1123 >            e.invokeAll(l);
1124 >            shouldThrow();
1125 >        } catch (NullPointerException success) {
1126 >        } finally {
1127 >            joinPool(e);
1128 >        }
1129 >    }
1130 >
1131 >    /**
1132 >     * get of element of invokeAll(c) throws exception on failed task
1133 >     */
1134 >    public void testInvokeAll4() throws Exception {
1135 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1136 >        try {
1137 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1138 >            l.add(new NPETask());
1139 >            List<Future<String>> futures = e.invokeAll(l);
1140 >            assertEquals(1, futures.size());
1141 >            try {
1142 >                futures.get(0).get();
1143 >                shouldThrow();
1144 >            } catch (ExecutionException success) {
1145 >                assertTrue(success.getCause() instanceof NullPointerException);
1146 >            }
1147 >        } finally {
1148 >            joinPool(e);
1149 >        }
1150 >    }
1151 >
1152 >    /**
1153 >     * invokeAll(c) returns results of all completed tasks
1154 >     */
1155 >    public void testInvokeAll5() throws Exception {
1156 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1157 >        try {
1158 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1159 >            l.add(new StringTask());
1160 >            l.add(new StringTask());
1161 >            List<Future<String>> futures = e.invokeAll(l);
1162 >            assertEquals(2, futures.size());
1163 >            for (Future<String> future : futures)
1164 >                assertSame(TEST_STRING, future.get());
1165 >        } finally {
1166 >            joinPool(e);
1167 >        }
1168 >    }
1169 >
1170 >
1171 >
1172 >    /**
1173 >     * timed invokeAny(null) throws NPE
1174 >     */
1175 >    public void testTimedInvokeAny1() throws Exception {
1176 >        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1177          try {
1178 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
602 <        } catch(Exception e){}
603 <        
604 <        try {
605 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1178 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1179              shouldThrow();
1180 <        } catch(IllegalArgumentException success){
1180 >        } catch (NullPointerException success) {
1181          } finally {
1182 <            tpe.shutdown();
1182 >            joinPool(e);
1183          }
1184 +    }
1185 +
1186 +    /**
1187 +     * timed invokeAny(,,null) throws NPE
1188 +     */
1189 +    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1190 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1191 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1192 +        l.add(new StringTask());
1193 +        try {
1194 +            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1195 +            shouldThrow();
1196 +        } catch (NullPointerException success) {
1197 +        } finally {
1198 +            joinPool(e);
1199 +        }
1200 +    }
1201 +
1202 +    /**
1203 +     * timed invokeAny(empty collection) throws IAE
1204 +     */
1205 +    public void testTimedInvokeAny2() throws Exception {
1206 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1207 +        try {
1208 +            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1209 +            shouldThrow();
1210 +        } catch (IllegalArgumentException success) {
1211 +        } finally {
1212 +            joinPool(e);
1213 +        }
1214 +    }
1215 +
1216 +    /**
1217 +     * timed invokeAny(c) throws NPE if c has null elements
1218 +     */
1219 +    public void testTimedInvokeAny3() throws Exception {
1220 +        CountDownLatch latch = new CountDownLatch(1);
1221 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1222 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1223 +        l.add(latchAwaitingStringTask(latch));
1224 +        l.add(null);
1225 +        try {
1226 +            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1227 +            shouldThrow();
1228 +        } catch (NullPointerException success) {
1229 +        } finally {
1230 +            latch.countDown();
1231 +            joinPool(e);
1232 +        }
1233 +    }
1234 +
1235 +    /**
1236 +     * timed invokeAny(c) throws ExecutionException if no task completes
1237 +     */
1238 +    public void testTimedInvokeAny4() throws Exception {
1239 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1240 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1241 +        l.add(new NPETask());
1242 +        try {
1243 +            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1244 +            shouldThrow();
1245 +        } catch (ExecutionException success) {
1246 +            assertTrue(success.getCause() instanceof NullPointerException);
1247 +        } finally {
1248 +            joinPool(e);
1249 +        }
1250 +    }
1251 +
1252 +    /**
1253 +     * timed invokeAny(c) returns result of some task
1254 +     */
1255 +    public void testTimedInvokeAny5() throws Exception {
1256 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1257 +        try {
1258 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1259 +            l.add(new StringTask());
1260 +            l.add(new StringTask());
1261 +            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1262 +            assertSame(TEST_STRING, result);
1263 +        } finally {
1264 +            joinPool(e);
1265 +        }
1266 +    }
1267 +
1268 +    /**
1269 +     * timed invokeAll(null) throws NPE
1270 +     */
1271 +    public void testTimedInvokeAll1() throws Exception {
1272 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1273 +        try {
1274 +            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1275 +            shouldThrow();
1276 +        } catch (NullPointerException success) {
1277 +        } finally {
1278 +            joinPool(e);
1279 +        }
1280 +    }
1281 +
1282 +    /**
1283 +     * timed invokeAll(,,null) throws NPE
1284 +     */
1285 +    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1286 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1287 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1288 +        l.add(new StringTask());
1289 +        try {
1290 +            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1291 +            shouldThrow();
1292 +        } catch (NullPointerException success) {
1293 +        } finally {
1294 +            joinPool(e);
1295 +        }
1296 +    }
1297 +
1298 +    /**
1299 +     * timed invokeAll(empty collection) returns empty collection
1300 +     */
1301 +    public void testTimedInvokeAll2() throws InterruptedException {
1302 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1303 +        try {
1304 +            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1305 +            assertTrue(r.isEmpty());
1306 +        } finally {
1307 +            joinPool(e);
1308 +        }
1309 +    }
1310 +
1311 +    /**
1312 +     * timed invokeAll(c) throws NPE if c has null elements
1313 +     */
1314 +    public void testTimedInvokeAll3() throws Exception {
1315 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1316 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1317 +        l.add(new StringTask());
1318 +        l.add(null);
1319 +        try {
1320 +            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1321 +            shouldThrow();
1322 +        } catch (NullPointerException success) {
1323 +        } finally {
1324 +            joinPool(e);
1325 +        }
1326 +    }
1327 +
1328 +    /**
1329 +     * get of element of invokeAll(c) throws exception on failed task
1330 +     */
1331 +    public void testTimedInvokeAll4() throws Exception {
1332 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1333 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1334 +        l.add(new NPETask());
1335 +        List<Future<String>> futures =
1336 +            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1337 +        assertEquals(1, futures.size());
1338 +        try {
1339 +            futures.get(0).get();
1340 +            shouldThrow();
1341 +        } catch (ExecutionException success) {
1342 +            assertTrue(success.getCause() instanceof NullPointerException);
1343 +        } finally {
1344 +            joinPool(e);
1345 +        }
1346 +    }
1347 +
1348 +    /**
1349 +     * timed invokeAll(c) returns results of all completed tasks
1350 +     */
1351 +    public void testTimedInvokeAll5() throws Exception {
1352 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1353 +        try {
1354 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1355 +            l.add(new StringTask());
1356 +            l.add(new StringTask());
1357 +            List<Future<String>> futures =
1358 +                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1359 +            assertEquals(2, futures.size());
1360 +            for (Future<String> future : futures)
1361 +                assertSame(TEST_STRING, future.get());
1362 +        } finally {
1363 +            joinPool(e);
1364 +        }
1365 +    }
1366 +
1367 +    /**
1368 +     * timed invokeAll(c) cancels tasks not completed by timeout
1369 +     */
1370 +    public void testTimedInvokeAll6() throws Exception {
1371 +        ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1372 +        try {
1373 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1374 +            l.add(new StringTask());
1375 +            l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1376 +            l.add(new StringTask());
1377 +            List<Future<String>> futures =
1378 +                e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1379 +            assertEquals(3, futures.size());
1380 +            Iterator<Future<String>> it = futures.iterator();
1381 +            Future<String> f1 = it.next();
1382 +            Future<String> f2 = it.next();
1383 +            Future<String> f3 = it.next();
1384 +            assertTrue(f1.isDone());
1385 +            assertTrue(f2.isDone());
1386 +            assertTrue(f3.isDone());
1387 +            assertFalse(f1.isCancelled());
1388 +            assertTrue(f2.isCancelled());
1389 +        } finally {
1390 +            joinPool(e);
1391 +        }
1392 +    }
1393 +
1394 +    /**
1395 +     * Execution continues if there is at least one thread even if
1396 +     * thread factory fails to create more
1397 +     */
1398 +    public void testFailingThreadFactory() throws InterruptedException {
1399 +        ExecutorService e = new ThreadPoolExecutor(100, 100, LONG_DELAY_MS, MILLISECONDS, new LinkedBlockingQueue<Runnable>(), new FailingThreadFactory());
1400 +        try {
1401 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1402 +            for (int k = 0; k < 100; ++k) {
1403 +                e.execute(new NoOpRunnable());
1404 +            }
1405 +            Thread.sleep(LONG_DELAY_MS);
1406 +        } finally {
1407 +            joinPool(e);
1408 +        }
1409 +    }
1410 +
1411 +    /**
1412 +     * allowsCoreThreadTimeOut is by default false.
1413 +     */
1414 +    public void testAllowsCoreThreadTimeOut() {
1415 +        ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1416 +        assertFalse(tpe.allowsCoreThreadTimeOut());
1417          joinPool(tpe);
1418      }
1419 <  
1419 >
1420 >    /**
1421 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1422 >     */
1423 >    public void testAllowCoreThreadTimeOut_true() throws InterruptedException {
1424 >        ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1425 >        tpe.allowCoreThreadTimeOut(true);
1426 >        tpe.execute(new NoOpRunnable());
1427 >        try {
1428 >            Thread.sleep(MEDIUM_DELAY_MS);
1429 >            assertEquals(0, tpe.getPoolSize());
1430 >        } finally {
1431 >            joinPool(tpe);
1432 >        }
1433 >    }
1434 >
1435 >    /**
1436 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
1437 >     */
1438 >    public void testAllowCoreThreadTimeOut_false() throws InterruptedException {
1439 >        ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1440 >        tpe.allowCoreThreadTimeOut(false);
1441 >        tpe.execute(new NoOpRunnable());
1442 >        try {
1443 >            Thread.sleep(MEDIUM_DELAY_MS);
1444 >            assertTrue(tpe.getPoolSize() >= 1);
1445 >        } finally {
1446 >            joinPool(tpe);
1447 >        }
1448 >    }
1449 >
1450 >    /**
1451 >     * execute allows the same task to be submitted multiple times, even
1452 >     * if rejected
1453 >     */
1454 >    public void testRejectedRecycledTask() throws InterruptedException {
1455 >        final int nTasks = 1000;
1456 >        final AtomicInteger nRun = new AtomicInteger(0);
1457 >        final Runnable recycledTask = new Runnable() {
1458 >                public void run() {
1459 >                    nRun.getAndIncrement();
1460 >                } };
1461 >        final ThreadPoolExecutor p =
1462 >            new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS,
1463 >                                   new ArrayBlockingQueue(30));
1464 >        try {
1465 >            for (int i = 0; i < nTasks; ++i) {
1466 >                for (;;) {
1467 >                    try {
1468 >                        p.execute(recycledTask);
1469 >                        break;
1470 >                    }
1471 >                    catch (RejectedExecutionException ignore) {
1472 >                    }
1473 >                }
1474 >            }
1475 >            Thread.sleep(5000); // enough time to run all tasks
1476 >            assertEquals(nRun.get(), nTasks);
1477 >        } finally {
1478 >            p.shutdown();
1479 >        }
1480 >    }
1481 >
1482   }

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