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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:41 2003 UTC vs.
Revision 1.79 by jsr166, Sun Oct 4 02:15:08 2015 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/publicdomain/zero/1.0/
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9 < import java.util.concurrent.*;
10 < import junit.framework.*;
9 > import static java.util.concurrent.TimeUnit.MILLISECONDS;
10 > import static java.util.concurrent.TimeUnit.NANOSECONDS;
11 > import static java.util.concurrent.TimeUnit.SECONDS;
12 >
13 > import java.util.ArrayList;
14   import java.util.List;
15 + import java.util.concurrent.ArrayBlockingQueue;
16 + import java.util.concurrent.BlockingQueue;
17 + import java.util.concurrent.Callable;
18 + import java.util.concurrent.CancellationException;
19 + import java.util.concurrent.CountDownLatch;
20 + import java.util.concurrent.ExecutionException;
21 + import java.util.concurrent.Executors;
22 + import java.util.concurrent.ExecutorService;
23 + import java.util.concurrent.Future;
24 + import java.util.concurrent.FutureTask;
25 + import java.util.concurrent.LinkedBlockingQueue;
26 + import java.util.concurrent.RejectedExecutionException;
27 + import java.util.concurrent.RejectedExecutionHandler;
28 + import java.util.concurrent.SynchronousQueue;
29 + import java.util.concurrent.ThreadFactory;
30 + import java.util.concurrent.ThreadPoolExecutor;
31 + import java.util.concurrent.TimeUnit;
32 + import java.util.concurrent.atomic.AtomicInteger;
33 +
34 + import junit.framework.Test;
35 + import junit.framework.TestSuite;
36  
37   public class ThreadPoolExecutorTest extends JSR166TestCase {
38      public static void main(String[] args) {
39 <        junit.textui.TestRunner.run (suite());  
39 >        main(suite(), args);
40      }
41      public static Test suite() {
42          return new TestSuite(ThreadPoolExecutorTest.class);
43      }
44 <    
45 <    /**
46 <     * For use as ThreadFactory in constructors
47 <     */
48 <    static class MyThreadFactory implements ThreadFactory{
49 <        public Thread newThread(Runnable r){
44 >
45 >    static class ExtendedTPE extends ThreadPoolExecutor {
46 >        final CountDownLatch beforeCalled = new CountDownLatch(1);
47 >        final CountDownLatch afterCalled = new CountDownLatch(1);
48 >        final CountDownLatch terminatedCalled = new CountDownLatch(1);
49 >
50 >        public ExtendedTPE() {
51 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52 >        }
53 >        protected void beforeExecute(Thread t, Runnable r) {
54 >            beforeCalled.countDown();
55 >        }
56 >        protected void afterExecute(Runnable r, Throwable t) {
57 >            afterCalled.countDown();
58 >        }
59 >        protected void terminated() {
60 >            terminatedCalled.countDown();
61 >        }
62 >
63 >        public boolean beforeCalled() {
64 >            return beforeCalled.getCount() == 0;
65 >        }
66 >        public boolean afterCalled() {
67 >            return afterCalled.getCount() == 0;
68 >        }
69 >        public boolean terminatedCalled() {
70 >            return terminatedCalled.getCount() == 0;
71 >        }
72 >    }
73 >
74 >    static class FailingThreadFactory implements ThreadFactory {
75 >        int calls = 0;
76 >        public Thread newThread(Runnable r) {
77 >            if (++calls > 1) return null;
78              return new Thread(r);
79 <        }  
79 >        }
80      }
81  
82      /**
83 <     * For use as RejectedExecutionHandler in constructors
83 >     * execute successfully executes a runnable
84       */
85 <    static class MyREHandler implements RejectedExecutionHandler{
86 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
85 >    public void testExecute() throws InterruptedException {
86 >        final ThreadPoolExecutor p =
87 >            new ThreadPoolExecutor(1, 1,
88 >                                   LONG_DELAY_MS, MILLISECONDS,
89 >                                   new ArrayBlockingQueue<Runnable>(10));
90 >        final CountDownLatch done = new CountDownLatch(1);
91 >        final Runnable task = new CheckedRunnable() {
92 >            public void realRun() {
93 >                done.countDown();
94 >            }};
95 >        try {
96 >            p.execute(task);
97 >            assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
98 >        } finally {
99 >            joinPool(p);
100 >        }
101      }
102 <
102 >
103      /**
104 <     *   execute successfully executes a runnable
104 >     * getActiveCount increases but doesn't overestimate, when a
105 >     * thread becomes active
106       */
107 <    public void testExecute(){
108 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
107 >    public void testGetActiveCount() throws InterruptedException {
108 >        final ThreadPoolExecutor p =
109 >            new ThreadPoolExecutor(2, 2,
110 >                                   LONG_DELAY_MS, MILLISECONDS,
111 >                                   new ArrayBlockingQueue<Runnable>(10));
112 >        final CountDownLatch threadStarted = new CountDownLatch(1);
113 >        final CountDownLatch done = new CountDownLatch(1);
114          try {
115 <            one.execute(new Runnable(){
116 <                    public void run(){
117 <                        try{
118 <                            Thread.sleep(SHORT_DELAY_MS);
119 <                        } catch(InterruptedException e){
120 <                            fail("unexpected exception");
121 <                        }
122 <                    }
123 <                });
124 <            Thread.sleep(SMALL_DELAY_MS);
125 <        } catch(InterruptedException e){
126 <            fail("unexpected exception");
127 <        }
55 <        joinPool(one);
115 >            assertEquals(0, p.getActiveCount());
116 >            p.execute(new CheckedRunnable() {
117 >                public void realRun() throws InterruptedException {
118 >                    threadStarted.countDown();
119 >                    assertEquals(1, p.getActiveCount());
120 >                    done.await();
121 >                }});
122 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
123 >            assertEquals(1, p.getActiveCount());
124 >        } finally {
125 >            done.countDown();
126 >            joinPool(p);
127 >        }
128      }
129  
130      /**
131 <     *   getActiveCount gives correct values
131 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
132       */
133 <    public void testGetActiveCount(){
134 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
135 <        assertEquals(0, two.getActiveCount());
136 <        two.execute(new MediumRunnable());
137 <        try{
138 <            Thread.sleep(SHORT_DELAY_MS);
139 <        } catch(Exception e){
140 <            fail("unexpected exception");
133 >    public void testPrestartCoreThread() {
134 >        final ThreadPoolExecutor p =
135 >            new ThreadPoolExecutor(2, 6,
136 >                                   LONG_DELAY_MS, MILLISECONDS,
137 >                                   new ArrayBlockingQueue<Runnable>(10));
138 >        try (PoolCleaner cleaner = cleaner(p)) {
139 >            assertEquals(0, p.getPoolSize());
140 >            assertTrue(p.prestartCoreThread());
141 >            assertEquals(1, p.getPoolSize());
142 >            assertTrue(p.prestartCoreThread());
143 >            assertEquals(2, p.getPoolSize());
144 >            assertFalse(p.prestartCoreThread());
145 >            assertEquals(2, p.getPoolSize());
146 >            p.setCorePoolSize(4);
147 >            assertTrue(p.prestartCoreThread());
148 >            assertEquals(3, p.getPoolSize());
149 >            assertTrue(p.prestartCoreThread());
150 >            assertEquals(4, p.getPoolSize());
151 >            assertFalse(p.prestartCoreThread());
152 >            assertEquals(4, p.getPoolSize());
153          }
70        assertEquals(1, two.getActiveCount());
71        joinPool(two);
154      }
155 <    
155 >
156      /**
157 <     *   getCompleteTaskCount gives correct values
157 >     * prestartAllCoreThreads starts all corePoolSize threads
158       */
159 <    public void testGetCompletedTaskCount(){
160 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
161 <        assertEquals(0, two.getCompletedTaskCount());
162 <        two.execute(new ShortRunnable());
163 <        try{
164 <            Thread.sleep(MEDIUM_DELAY_MS);
165 <        } catch(Exception e){
166 <            fail("unexpected exception");
159 >    public void testPrestartAllCoreThreads() {
160 >        final ThreadPoolExecutor p =
161 >            new ThreadPoolExecutor(2, 6,
162 >                                   LONG_DELAY_MS, MILLISECONDS,
163 >                                   new ArrayBlockingQueue<Runnable>(10));
164 >        try (PoolCleaner cleaner = cleaner(p)) {
165 >            assertEquals(0, p.getPoolSize());
166 >            p.prestartAllCoreThreads();
167 >            assertEquals(2, p.getPoolSize());
168 >            p.prestartAllCoreThreads();
169 >            assertEquals(2, p.getPoolSize());
170 >            p.setCorePoolSize(4);
171 >            p.prestartAllCoreThreads();
172 >            assertEquals(4, p.getPoolSize());
173 >            p.prestartAllCoreThreads();
174 >            assertEquals(4, p.getPoolSize());
175          }
86        assertEquals(1, two.getCompletedTaskCount());
87        two.shutdown();
88        joinPool(two);
176      }
177 <    
177 >
178      /**
179 <     *   getCorePoolSize gives correct values
179 >     * getCompletedTaskCount increases, but doesn't overestimate,
180 >     * when tasks complete
181       */
182 <    public void testGetCorePoolSize(){
183 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
184 <        assertEquals(1, one.getCorePoolSize());
185 <        joinPool(one);
182 >    public void testGetCompletedTaskCount() throws InterruptedException {
183 >        final ThreadPoolExecutor p =
184 >            new ThreadPoolExecutor(2, 2,
185 >                                   LONG_DELAY_MS, MILLISECONDS,
186 >                                   new ArrayBlockingQueue<Runnable>(10));
187 >        try (PoolCleaner cleaner = cleaner(p)) {
188 >            final CountDownLatch threadStarted = new CountDownLatch(1);
189 >            final CountDownLatch threadProceed = new CountDownLatch(1);
190 >            final CountDownLatch threadDone = new CountDownLatch(1);
191 >            assertEquals(0, p.getCompletedTaskCount());
192 >            p.execute(new CheckedRunnable() {
193 >                public void realRun() throws InterruptedException {
194 >                    threadStarted.countDown();
195 >                    assertEquals(0, p.getCompletedTaskCount());
196 >                    threadProceed.await();
197 >                    threadDone.countDown();
198 >                }});
199 >            await(threadStarted);
200 >            assertEquals(0, p.getCompletedTaskCount());
201 >            threadProceed.countDown();
202 >            threadDone.await();
203 >            long startTime = System.nanoTime();
204 >            while (p.getCompletedTaskCount() != 1) {
205 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
206 >                    fail("timed out");
207 >                Thread.yield();
208 >            }
209 >        }
210      }
211 <    
211 >
212      /**
213 <     *   getKeepAliveTime gives correct values
213 >     * getCorePoolSize returns size given in constructor if not otherwise set
214       */
215 <    public void testGetKeepAliveTime(){
216 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217 <        assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
218 <        joinPool(two);
215 >    public void testGetCorePoolSize() {
216 >        final ThreadPoolExecutor p =
217 >            new ThreadPoolExecutor(1, 1,
218 >                                   LONG_DELAY_MS, MILLISECONDS,
219 >                                   new ArrayBlockingQueue<Runnable>(10));
220 >        try (PoolCleaner cleaner = cleaner(p)) {
221 >            assertEquals(1, p.getCorePoolSize());
222 >        }
223      }
224 <    
224 >
225      /**
226 <     *   getLargestPoolSize gives correct values
226 >     * getKeepAliveTime returns value given in constructor if not otherwise set
227       */
228 <    public void testGetLargestPoolSize(){
229 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
230 <        try {
231 <            assertEquals(0, two.getLargestPoolSize());
232 <            two.execute(new MediumRunnable());
233 <            two.execute(new MediumRunnable());
234 <            Thread.sleep(SHORT_DELAY_MS);
235 <            assertEquals(2, two.getLargestPoolSize());
120 <        } catch(Exception e){
121 <            fail("unexpected exception");
122 <        }
123 <        joinPool(two);
228 >    public void testGetKeepAliveTime() {
229 >        final ThreadPoolExecutor p =
230 >            new ThreadPoolExecutor(2, 2,
231 >                                   1000, MILLISECONDS,
232 >                                   new ArrayBlockingQueue<Runnable>(10));
233 >        try (PoolCleaner cleaner = cleaner(p)) {
234 >            assertEquals(1, p.getKeepAliveTime(SECONDS));
235 >        }
236      }
237 <    
237 >
238      /**
239 <     *   getMaximumPoolSize gives correct values
239 >     * getThreadFactory returns factory in constructor if not set
240       */
241 <    public void testGetMaximumPoolSize(){
242 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
243 <        assertEquals(2, two.getMaximumPoolSize());
244 <        joinPool(two);
241 >    public void testGetThreadFactory() {
242 >        ThreadFactory threadFactory = new SimpleThreadFactory();
243 >        final ThreadPoolExecutor p =
244 >            new ThreadPoolExecutor(1, 2,
245 >                                   LONG_DELAY_MS, MILLISECONDS,
246 >                                   new ArrayBlockingQueue<Runnable>(10),
247 >                                   threadFactory,
248 >                                   new NoOpREHandler());
249 >        try (PoolCleaner cleaner = cleaner(p)) {
250 >            assertSame(threadFactory, p.getThreadFactory());
251 >        }
252      }
253 <    
253 >
254      /**
255 <     *   getPoolSize gives correct values
255 >     * setThreadFactory sets the thread factory returned by getThreadFactory
256       */
257 <    public void testGetPoolSize(){
258 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
259 <        assertEquals(0, one.getPoolSize());
260 <        one.execute(new MediumRunnable());
261 <        assertEquals(1, one.getPoolSize());
262 <        joinPool(one);
257 >    public void testSetThreadFactory() {
258 >        final ThreadPoolExecutor p =
259 >            new ThreadPoolExecutor(1, 2,
260 >                                   LONG_DELAY_MS, MILLISECONDS,
261 >                                   new ArrayBlockingQueue<Runnable>(10));
262 >        try (PoolCleaner cleaner = cleaner(p)) {
263 >            ThreadFactory threadFactory = new SimpleThreadFactory();
264 >            p.setThreadFactory(threadFactory);
265 >            assertSame(threadFactory, p.getThreadFactory());
266 >        }
267 >    }
268 >
269 >    /**
270 >     * setThreadFactory(null) throws NPE
271 >     */
272 >    public void testSetThreadFactoryNull() {
273 >        final ThreadPoolExecutor p =
274 >            new ThreadPoolExecutor(1, 2,
275 >                                   LONG_DELAY_MS, MILLISECONDS,
276 >                                   new ArrayBlockingQueue<Runnable>(10));
277 >        try (PoolCleaner cleaner = cleaner(p)) {
278 >            try {
279 >                p.setThreadFactory(null);
280 >                shouldThrow();
281 >            } catch (NullPointerException success) {}
282 >        }
283 >    }
284 >
285 >    /**
286 >     * getRejectedExecutionHandler returns handler in constructor if not set
287 >     */
288 >    public void testGetRejectedExecutionHandler() {
289 >        final RejectedExecutionHandler handler = new NoOpREHandler();
290 >        final ThreadPoolExecutor p =
291 >            new ThreadPoolExecutor(1, 2,
292 >                                   LONG_DELAY_MS, MILLISECONDS,
293 >                                   new ArrayBlockingQueue<Runnable>(10),
294 >                                   handler);
295 >        try (PoolCleaner cleaner = cleaner(p)) {
296 >            assertSame(handler, p.getRejectedExecutionHandler());
297 >        }
298 >    }
299 >
300 >    /**
301 >     * setRejectedExecutionHandler sets the handler returned by
302 >     * getRejectedExecutionHandler
303 >     */
304 >    public void testSetRejectedExecutionHandler() {
305 >        final ThreadPoolExecutor p =
306 >            new ThreadPoolExecutor(1, 2,
307 >                                   LONG_DELAY_MS, MILLISECONDS,
308 >                                   new ArrayBlockingQueue<Runnable>(10));
309 >        try (PoolCleaner cleaner = cleaner(p)) {
310 >            RejectedExecutionHandler handler = new NoOpREHandler();
311 >            p.setRejectedExecutionHandler(handler);
312 >            assertSame(handler, p.getRejectedExecutionHandler());
313 >        }
314      }
315 <    
315 >
316 >    /**
317 >     * setRejectedExecutionHandler(null) throws NPE
318 >     */
319 >    public void testSetRejectedExecutionHandlerNull() {
320 >        final ThreadPoolExecutor p =
321 >            new ThreadPoolExecutor(1, 2,
322 >                                   LONG_DELAY_MS, MILLISECONDS,
323 >                                   new ArrayBlockingQueue<Runnable>(10));
324 >        try (PoolCleaner cleaner = cleaner(p)) {
325 >            try {
326 >                p.setRejectedExecutionHandler(null);
327 >                shouldThrow();
328 >            } catch (NullPointerException success) {}
329 >        }
330 >    }
331 >
332 >    /**
333 >     * getLargestPoolSize increases, but doesn't overestimate, when
334 >     * multiple threads active
335 >     */
336 >    public void testGetLargestPoolSize() throws InterruptedException {
337 >        final int THREADS = 3;
338 >        final ThreadPoolExecutor p =
339 >            new ThreadPoolExecutor(THREADS, THREADS,
340 >                                   LONG_DELAY_MS, MILLISECONDS,
341 >                                   new ArrayBlockingQueue<Runnable>(10));
342 >        try (PoolCleaner cleaner = cleaner(p)) {
343 >            final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
344 >            final CountDownLatch done = new CountDownLatch(1);
345 >            assertEquals(0, p.getLargestPoolSize());
346 >            for (int i = 0; i < THREADS; i++)
347 >                p.execute(new CheckedRunnable() {
348 >                    public void realRun() throws InterruptedException {
349 >                        threadsStarted.countDown();
350 >                        done.await();
351 >                        assertEquals(THREADS, p.getLargestPoolSize());
352 >                    }});
353 >            assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
354 >            assertEquals(THREADS, p.getLargestPoolSize());
355 >            done.countDown();   // release pool
356 >        }
357 >        assertEquals(THREADS, p.getLargestPoolSize());
358 >    }
359 >
360 >    /**
361 >     * getMaximumPoolSize returns value given in constructor if not
362 >     * otherwise set
363 >     */
364 >    public void testGetMaximumPoolSize() {
365 >        final ThreadPoolExecutor p =
366 >            new ThreadPoolExecutor(2, 3,
367 >                                   LONG_DELAY_MS, MILLISECONDS,
368 >                                   new ArrayBlockingQueue<Runnable>(10));
369 >        try (PoolCleaner cleaner = cleaner(p)) {
370 >            assertEquals(3, p.getMaximumPoolSize());
371 >            p.setMaximumPoolSize(5);
372 >            assertEquals(5, p.getMaximumPoolSize());
373 >            p.setMaximumPoolSize(4);
374 >            assertEquals(4, p.getMaximumPoolSize());
375 >        }
376 >    }
377 >
378      /**
379 <     *   getTaskCount gives correct values
379 >     * getPoolSize increases, but doesn't overestimate, when threads
380 >     * become active
381       */
382 <    public void testGetTaskCount(){
383 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
382 >    public void testGetPoolSize() throws InterruptedException {
383 >        final ThreadPoolExecutor p =
384 >            new ThreadPoolExecutor(1, 1,
385 >                                   LONG_DELAY_MS, MILLISECONDS,
386 >                                   new ArrayBlockingQueue<Runnable>(10));
387 >        try (PoolCleaner cleaner = cleaner(p)) {
388 >            final CountDownLatch threadStarted = new CountDownLatch(1);
389 >            final CountDownLatch done = new CountDownLatch(1);
390 >            assertEquals(0, p.getPoolSize());
391 >            p.execute(new CheckedRunnable() {
392 >                public void realRun() throws InterruptedException {
393 >                    threadStarted.countDown();
394 >                    assertEquals(1, p.getPoolSize());
395 >                    done.await();
396 >                }});
397 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
398 >            assertEquals(1, p.getPoolSize());
399 >            done.countDown();   // release pool
400 >        }
401 >    }
402 >
403 >    /**
404 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
405 >     */
406 >    public void testGetTaskCount() throws InterruptedException {
407 >        final ThreadPoolExecutor p =
408 >            new ThreadPoolExecutor(1, 1,
409 >                                   LONG_DELAY_MS, MILLISECONDS,
410 >                                   new ArrayBlockingQueue<Runnable>(10));
411 >        final CountDownLatch threadStarted = new CountDownLatch(1);
412 >        final CountDownLatch done = new CountDownLatch(1);
413          try {
414 <            assertEquals(0, one.getTaskCount());
415 <            for(int i = 0; i < 5; i++)
416 <                one.execute(new MediumRunnable());
417 <            Thread.sleep(SHORT_DELAY_MS);
418 <            assertEquals(5, one.getTaskCount());
419 <        } catch(Exception e){
420 <            fail("unexpected exception");
421 <        }
422 <        joinPool(one);
414 >            assertEquals(0, p.getTaskCount());
415 >            p.execute(new CheckedRunnable() {
416 >                public void realRun() throws InterruptedException {
417 >                    threadStarted.countDown();
418 >                    assertEquals(1, p.getTaskCount());
419 >                    done.await();
420 >                }});
421 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
422 >            assertEquals(1, p.getTaskCount());
423 >        } finally {
424 >            done.countDown();
425 >            joinPool(p);
426 >        }
427      }
428 <    
428 >
429      /**
430 <     *   isShutDown gives correct values
430 >     * isShutdown is false before shutdown, true after
431       */
432 <    public void testIsShutdown(){
433 <        
434 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
435 <        assertFalse(one.isShutdown());
436 <        one.shutdown();
437 <        assertTrue(one.isShutdown());
438 <        joinPool(one);
432 >    public void testIsShutdown() {
433 >        final ThreadPoolExecutor p =
434 >            new ThreadPoolExecutor(1, 1,
435 >                                   LONG_DELAY_MS, MILLISECONDS,
436 >                                   new ArrayBlockingQueue<Runnable>(10));
437 >        assertFalse(p.isShutdown());
438 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
439 >        assertTrue(p.isShutdown());
440 >        joinPool(p);
441      }
442  
175        
443      /**
444 <     *   isTerminated gives correct values
178 <     *  Makes sure termination does not take an innapropriate
179 <     *  amount of time
444 >     * awaitTermination on a non-shutdown pool times out
445       */
446 <    public void testIsTerminated(){
447 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
446 >    public void testAwaitTermination_timesOut() throws InterruptedException {
447 >        final ThreadPoolExecutor p =
448 >            new ThreadPoolExecutor(1, 1,
449 >                                   LONG_DELAY_MS, MILLISECONDS,
450 >                                   new ArrayBlockingQueue<Runnable>(10));
451 >        assertFalse(p.isTerminated());
452 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
453 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
454 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
455 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
456 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
457 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
458 >        long timeoutNanos = 999999L;
459 >        long startTime = System.nanoTime();
460 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
461 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
462 >        assertFalse(p.isTerminated());
463 >        startTime = System.nanoTime();
464 >        long timeoutMillis = timeoutMillis();
465 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
466 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
467 >        assertFalse(p.isTerminated());
468 >        p.shutdown();
469 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
470 >        assertTrue(p.isTerminated());
471 >    }
472 >
473 >    /**
474 >     * isTerminated is false before termination, true after
475 >     */
476 >    public void testIsTerminated() throws InterruptedException {
477 >        final ThreadPoolExecutor p =
478 >            new ThreadPoolExecutor(1, 1,
479 >                                   LONG_DELAY_MS, MILLISECONDS,
480 >                                   new ArrayBlockingQueue<Runnable>(10));
481 >        final CountDownLatch threadStarted = new CountDownLatch(1);
482 >        final CountDownLatch done = new CountDownLatch(1);
483 >        assertFalse(p.isTerminated());
484          try {
485 <            one.execute(new MediumRunnable());
485 >            p.execute(new CheckedRunnable() {
486 >                public void realRun() throws InterruptedException {
487 >                    assertFalse(p.isTerminated());
488 >                    threadStarted.countDown();
489 >                    done.await();
490 >                }});
491 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
492 >            assertFalse(p.isTerminating());
493 >            done.countDown();
494          } finally {
495 <            one.shutdown();
495 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
496          }
497 <        try {
498 <            assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190 <            assertTrue(one.isTerminated());
191 <        } catch(Exception e){
192 <            fail("unexpected exception");
193 <        }      
497 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
498 >        assertTrue(p.isTerminated());
499      }
500  
501      /**
502 <     *   purge correctly removes cancelled tasks
198 <     *  from the queue
502 >     * isTerminating is not true when running or when terminated
503       */
504 <    public void testPurge(){
505 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
506 <        CancellableTask[] tasks = new CancellableTask[5];
507 <        for(int i = 0; i < 5; i++){
508 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
509 <            one.execute(tasks[i]);
504 >    public void testIsTerminating() throws InterruptedException {
505 >        final ThreadPoolExecutor p =
506 >            new ThreadPoolExecutor(1, 1,
507 >                                   LONG_DELAY_MS, MILLISECONDS,
508 >                                   new ArrayBlockingQueue<Runnable>(10));
509 >        final CountDownLatch threadStarted = new CountDownLatch(1);
510 >        final CountDownLatch done = new CountDownLatch(1);
511 >        try {
512 >            assertFalse(p.isTerminating());
513 >            p.execute(new CheckedRunnable() {
514 >                public void realRun() throws InterruptedException {
515 >                    assertFalse(p.isTerminating());
516 >                    threadStarted.countDown();
517 >                    done.await();
518 >                }});
519 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
520 >            assertFalse(p.isTerminating());
521 >            done.countDown();
522 >        } finally {
523 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
524          }
525 <        tasks[4].cancel(true);
526 <        tasks[3].cancel(true);
527 <        one.purge();
210 <        long count = one.getTaskCount();
211 <        assertTrue(count >= 2 && count < 5);
212 <        joinPool(one);
525 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
526 >        assertTrue(p.isTerminated());
527 >        assertFalse(p.isTerminating());
528      }
529  
530      /**
531 <     *   shutDownNow returns a list
217 <     *  containing the correct number of elements
531 >     * getQueue returns the work queue, which contains queued tasks
532       */
533 <    public void testShutDownNow(){
534 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
535 <        List l;
533 >    public void testGetQueue() throws InterruptedException {
534 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
535 >        final ThreadPoolExecutor p =
536 >            new ThreadPoolExecutor(1, 1,
537 >                                   LONG_DELAY_MS, MILLISECONDS,
538 >                                   q);
539 >        final CountDownLatch threadStarted = new CountDownLatch(1);
540 >        final CountDownLatch done = new CountDownLatch(1);
541          try {
542 <            for(int i = 0; i < 5; i++)
543 <                one.execute(new MediumPossiblyInterruptedRunnable());
542 >            FutureTask[] tasks = new FutureTask[5];
543 >            for (int i = 0; i < tasks.length; i++) {
544 >                Callable task = new CheckedCallable<Boolean>() {
545 >                    public Boolean realCall() throws InterruptedException {
546 >                        threadStarted.countDown();
547 >                        assertSame(q, p.getQueue());
548 >                        done.await();
549 >                        return Boolean.TRUE;
550 >                    }};
551 >                tasks[i] = new FutureTask(task);
552 >                p.execute(tasks[i]);
553 >            }
554 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
555 >            assertSame(q, p.getQueue());
556 >            assertFalse(q.contains(tasks[0]));
557 >            assertTrue(q.contains(tasks[tasks.length - 1]));
558 >            assertEquals(tasks.length - 1, q.size());
559 >        } finally {
560 >            done.countDown();
561 >            joinPool(p);
562          }
563 <        finally {
564 <            l = one.shutdownNow();
563 >    }
564 >
565 >    /**
566 >     * remove(task) removes queued task, and fails to remove active task
567 >     */
568 >    public void testRemove() throws InterruptedException {
569 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
570 >        final ThreadPoolExecutor p =
571 >            new ThreadPoolExecutor(1, 1,
572 >                                   LONG_DELAY_MS, MILLISECONDS,
573 >                                   q);
574 >        Runnable[] tasks = new Runnable[5];
575 >        final CountDownLatch threadStarted = new CountDownLatch(1);
576 >        final CountDownLatch done = new CountDownLatch(1);
577 >        try {
578 >            for (int i = 0; i < tasks.length; i++) {
579 >                tasks[i] = new CheckedRunnable() {
580 >                    public void realRun() throws InterruptedException {
581 >                        threadStarted.countDown();
582 >                        done.await();
583 >                    }};
584 >                p.execute(tasks[i]);
585 >            }
586 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
587 >            assertFalse(p.remove(tasks[0]));
588 >            assertTrue(q.contains(tasks[4]));
589 >            assertTrue(q.contains(tasks[3]));
590 >            assertTrue(p.remove(tasks[4]));
591 >            assertFalse(p.remove(tasks[4]));
592 >            assertFalse(q.contains(tasks[4]));
593 >            assertTrue(q.contains(tasks[3]));
594 >            assertTrue(p.remove(tasks[3]));
595 >            assertFalse(q.contains(tasks[3]));
596 >        } finally {
597 >            done.countDown();
598 >            joinPool(p);
599 >        }
600 >    }
601 >
602 >    /**
603 >     * purge removes cancelled tasks from the queue
604 >     */
605 >    public void testPurge() throws InterruptedException {
606 >        final CountDownLatch threadStarted = new CountDownLatch(1);
607 >        final CountDownLatch done = new CountDownLatch(1);
608 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
609 >        final ThreadPoolExecutor p =
610 >            new ThreadPoolExecutor(1, 1,
611 >                                   LONG_DELAY_MS, MILLISECONDS,
612 >                                   q);
613 >        FutureTask[] tasks = new FutureTask[5];
614 >        try {
615 >            for (int i = 0; i < tasks.length; i++) {
616 >                Callable task = new CheckedCallable<Boolean>() {
617 >                    public Boolean realCall() throws InterruptedException {
618 >                        threadStarted.countDown();
619 >                        done.await();
620 >                        return Boolean.TRUE;
621 >                    }};
622 >                tasks[i] = new FutureTask(task);
623 >                p.execute(tasks[i]);
624 >            }
625 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
626 >            assertEquals(tasks.length, p.getTaskCount());
627 >            assertEquals(tasks.length - 1, q.size());
628 >            assertEquals(1L, p.getActiveCount());
629 >            assertEquals(0L, p.getCompletedTaskCount());
630 >            tasks[4].cancel(true);
631 >            tasks[3].cancel(false);
632 >            p.purge();
633 >            assertEquals(tasks.length - 3, q.size());
634 >            assertEquals(tasks.length - 2, p.getTaskCount());
635 >            p.purge();         // Nothing to do
636 >            assertEquals(tasks.length - 3, q.size());
637 >            assertEquals(tasks.length - 2, p.getTaskCount());
638 >        } finally {
639 >            done.countDown();
640 >            joinPool(p);
641          }
642 <        assertTrue(one.isShutdown());
643 <        assertTrue(l.size() <= 4);
642 >    }
643 >
644 >    /**
645 >     * shutdownNow returns a list containing tasks that were not run,
646 >     * and those tasks are drained from the queue
647 >     */
648 >    public void testShutdownNow() throws InterruptedException {
649 >        final int poolSize = 2;
650 >        final int count = 5;
651 >        final AtomicInteger ran = new AtomicInteger(0);
652 >        final ThreadPoolExecutor p =
653 >            new ThreadPoolExecutor(poolSize, poolSize,
654 >                                   LONG_DELAY_MS, MILLISECONDS,
655 >                                   new ArrayBlockingQueue<Runnable>(10));
656 >        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
657 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
658 >            threadsStarted.countDown();
659 >            try {
660 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
661 >            } catch (InterruptedException success) {}
662 >            ran.getAndIncrement();
663 >        }};
664 >        for (int i = 0; i < count; i++)
665 >            p.execute(waiter);
666 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
667 >        assertEquals(poolSize, p.getActiveCount());
668 >        assertEquals(0, p.getCompletedTaskCount());
669 >        final List<Runnable> queuedTasks;
670 >        try {
671 >            queuedTasks = p.shutdownNow();
672 >        } catch (SecurityException ok) {
673 >            return; // Allowed in case test doesn't have privs
674 >        }
675 >        assertTrue(p.isShutdown());
676 >        assertTrue(p.getQueue().isEmpty());
677 >        assertEquals(count - poolSize, queuedTasks.size());
678 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
679 >        assertTrue(p.isTerminated());
680 >        assertEquals(poolSize, ran.get());
681 >        assertEquals(poolSize, p.getCompletedTaskCount());
682      }
683  
684      // Exception Tests
234    
685  
686 <    /** Throws if corePoolSize argument is less than zero */
686 >    /**
687 >     * Constructor throws if corePoolSize argument is less than zero
688 >     */
689      public void testConstructor1() {
690 <        try{
691 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
692 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
693 <        }
694 <        catch (IllegalArgumentException success){}
690 >        try {
691 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
692 >                                   new ArrayBlockingQueue<Runnable>(10));
693 >            shouldThrow();
694 >        } catch (IllegalArgumentException success) {}
695      }
696 <    
697 <    /** Throws if maximumPoolSize is less than zero */
696 >
697 >    /**
698 >     * Constructor throws if maximumPoolSize is less than zero
699 >     */
700      public void testConstructor2() {
701 <        try{
702 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
703 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
704 <        }
705 <        catch (IllegalArgumentException success){}
701 >        try {
702 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
703 >                                   new ArrayBlockingQueue<Runnable>(10));
704 >            shouldThrow();
705 >        } catch (IllegalArgumentException success) {}
706      }
707 <    
708 <    /** Throws if maximumPoolSize is equal to zero */
707 >
708 >    /**
709 >     * Constructor throws if maximumPoolSize is equal to zero
710 >     */
711      public void testConstructor3() {
712 <        try{
713 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
714 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
715 <        }
716 <        catch (IllegalArgumentException success){}
712 >        try {
713 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
714 >                                   new ArrayBlockingQueue<Runnable>(10));
715 >            shouldThrow();
716 >        } catch (IllegalArgumentException success) {}
717      }
718  
719 <    /** Throws if keepAliveTime is less than zero */
719 >    /**
720 >     * Constructor throws if keepAliveTime is less than zero
721 >     */
722      public void testConstructor4() {
723 <        try{
724 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
725 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
726 <        }
727 <        catch (IllegalArgumentException success){}
723 >        try {
724 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
725 >                                   new ArrayBlockingQueue<Runnable>(10));
726 >            shouldThrow();
727 >        } catch (IllegalArgumentException success) {}
728      }
729  
730 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
730 >    /**
731 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
732 >     */
733      public void testConstructor5() {
734 <        try{
735 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
736 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
737 <        }
738 <        catch (IllegalArgumentException success){}
734 >        try {
735 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
736 >                                   new ArrayBlockingQueue<Runnable>(10));
737 >            shouldThrow();
738 >        } catch (IllegalArgumentException success) {}
739      }
740 <        
741 <    /** Throws if workQueue is set to null */
742 <    public void testNullPointerException() {
743 <        try{
744 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
745 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
746 <        }
747 <        catch (NullPointerException success){}  
740 >
741 >    /**
742 >     * Constructor throws if workQueue is set to null
743 >     */
744 >    public void testConstructorNullPointerException() {
745 >        try {
746 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
747 >                                   (BlockingQueue) null);
748 >            shouldThrow();
749 >        } catch (NullPointerException success) {}
750      }
289    
751  
752 <    
753 <    /** Throws if corePoolSize argument is less than zero */
752 >    /**
753 >     * Constructor throws if corePoolSize argument is less than zero
754 >     */
755      public void testConstructor6() {
756 <        try{
757 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
758 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
759 <        } catch (IllegalArgumentException success){}
756 >        try {
757 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
758 >                                   new ArrayBlockingQueue<Runnable>(10),
759 >                                   new SimpleThreadFactory());
760 >            shouldThrow();
761 >        } catch (IllegalArgumentException success) {}
762      }
763 <    
764 <    /** Throws if maximumPoolSize is less than zero */
763 >
764 >    /**
765 >     * Constructor throws if maximumPoolSize is less than zero
766 >     */
767      public void testConstructor7() {
768 <        try{
769 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
770 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
771 <        }
772 <        catch (IllegalArgumentException success){}
768 >        try {
769 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
770 >                                   new ArrayBlockingQueue<Runnable>(10),
771 >                                   new SimpleThreadFactory());
772 >            shouldThrow();
773 >        } catch (IllegalArgumentException success) {}
774      }
775  
776 <    /** Throws if maximumPoolSize is equal to zero */
776 >    /**
777 >     * Constructor throws if maximumPoolSize is equal to zero
778 >     */
779      public void testConstructor8() {
780 <        try{
781 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
782 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
783 <        }
784 <        catch (IllegalArgumentException success){}
780 >        try {
781 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
782 >                                   new ArrayBlockingQueue<Runnable>(10),
783 >                                   new SimpleThreadFactory());
784 >            shouldThrow();
785 >        } catch (IllegalArgumentException success) {}
786      }
787  
788 <    /** Throws if keepAliveTime is less than zero */
788 >    /**
789 >     * Constructor throws if keepAliveTime is less than zero
790 >     */
791      public void testConstructor9() {
792 <        try{
793 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
794 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
795 <        }
796 <        catch (IllegalArgumentException success){}
792 >        try {
793 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
794 >                                   new ArrayBlockingQueue<Runnable>(10),
795 >                                   new SimpleThreadFactory());
796 >            shouldThrow();
797 >        } catch (IllegalArgumentException success) {}
798      }
799  
800 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
800 >    /**
801 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
802 >     */
803      public void testConstructor10() {
804 <        try{
805 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
806 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
804 >        try {
805 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
806 >                                   new ArrayBlockingQueue<Runnable>(10),
807 >                                   new SimpleThreadFactory());
808 >            shouldThrow();
809 >        } catch (IllegalArgumentException success) {}
810 >    }
811 >
812 >    /**
813 >     * Constructor throws if workQueue is set to null
814 >     */
815 >    public void testConstructorNullPointerException2() {
816 >        try {
817 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
818 >                                   (BlockingQueue) null,
819 >                                   new SimpleThreadFactory());
820 >            shouldThrow();
821 >        } catch (NullPointerException success) {}
822 >    }
823 >
824 >    /**
825 >     * Constructor throws if threadFactory is set to null
826 >     */
827 >    public void testConstructorNullPointerException3() {
828 >        try {
829 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
830 >                                   new ArrayBlockingQueue<Runnable>(10),
831 >                                   (ThreadFactory) null);
832 >            shouldThrow();
833 >        } catch (NullPointerException success) {}
834 >    }
835 >
836 >    /**
837 >     * Constructor throws if corePoolSize argument is less than zero
838 >     */
839 >    public void testConstructor11() {
840 >        try {
841 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
842 >                                   new ArrayBlockingQueue<Runnable>(10),
843 >                                   new NoOpREHandler());
844 >            shouldThrow();
845 >        } catch (IllegalArgumentException success) {}
846 >    }
847 >
848 >    /**
849 >     * Constructor throws if maximumPoolSize is less than zero
850 >     */
851 >    public void testConstructor12() {
852 >        try {
853 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
854 >                                   new ArrayBlockingQueue<Runnable>(10),
855 >                                   new NoOpREHandler());
856 >            shouldThrow();
857 >        } catch (IllegalArgumentException success) {}
858 >    }
859 >
860 >    /**
861 >     * Constructor throws if maximumPoolSize is equal to zero
862 >     */
863 >    public void testConstructor13() {
864 >        try {
865 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
866 >                                   new ArrayBlockingQueue<Runnable>(10),
867 >                                   new NoOpREHandler());
868 >            shouldThrow();
869 >        } catch (IllegalArgumentException success) {}
870 >    }
871 >
872 >    /**
873 >     * Constructor throws if keepAliveTime is less than zero
874 >     */
875 >    public void testConstructor14() {
876 >        try {
877 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
878 >                                   new ArrayBlockingQueue<Runnable>(10),
879 >                                   new NoOpREHandler());
880 >            shouldThrow();
881 >        } catch (IllegalArgumentException success) {}
882 >    }
883 >
884 >    /**
885 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
886 >     */
887 >    public void testConstructor15() {
888 >        try {
889 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
890 >                                   new ArrayBlockingQueue<Runnable>(10),
891 >                                   new NoOpREHandler());
892 >            shouldThrow();
893 >        } catch (IllegalArgumentException success) {}
894 >    }
895 >
896 >    /**
897 >     * Constructor throws if workQueue is set to null
898 >     */
899 >    public void testConstructorNullPointerException4() {
900 >        try {
901 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
902 >                                   (BlockingQueue) null,
903 >                                   new NoOpREHandler());
904 >            shouldThrow();
905 >        } catch (NullPointerException success) {}
906 >    }
907 >
908 >    /**
909 >     * Constructor throws if handler is set to null
910 >     */
911 >    public void testConstructorNullPointerException5() {
912 >        try {
913 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
914 >                                   new ArrayBlockingQueue<Runnable>(10),
915 >                                   (RejectedExecutionHandler) null);
916 >            shouldThrow();
917 >        } catch (NullPointerException success) {}
918 >    }
919 >
920 >    /**
921 >     * Constructor throws if corePoolSize argument is less than zero
922 >     */
923 >    public void testConstructor16() {
924 >        try {
925 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
926 >                                   new ArrayBlockingQueue<Runnable>(10),
927 >                                   new SimpleThreadFactory(),
928 >                                   new NoOpREHandler());
929 >            shouldThrow();
930 >        } catch (IllegalArgumentException success) {}
931 >    }
932 >
933 >    /**
934 >     * Constructor throws if maximumPoolSize is less than zero
935 >     */
936 >    public void testConstructor17() {
937 >        try {
938 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
939 >                                   new ArrayBlockingQueue<Runnable>(10),
940 >                                   new SimpleThreadFactory(),
941 >                                   new NoOpREHandler());
942 >            shouldThrow();
943 >        } catch (IllegalArgumentException success) {}
944 >    }
945 >
946 >    /**
947 >     * Constructor throws if maximumPoolSize is equal to zero
948 >     */
949 >    public void testConstructor18() {
950 >        try {
951 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
952 >                                   new ArrayBlockingQueue<Runnable>(10),
953 >                                   new SimpleThreadFactory(),
954 >                                   new NoOpREHandler());
955 >            shouldThrow();
956 >        } catch (IllegalArgumentException success) {}
957 >    }
958 >
959 >    /**
960 >     * Constructor throws if keepAliveTime is less than zero
961 >     */
962 >    public void testConstructor19() {
963 >        try {
964 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
965 >                                   new ArrayBlockingQueue<Runnable>(10),
966 >                                   new SimpleThreadFactory(),
967 >                                   new NoOpREHandler());
968 >            shouldThrow();
969 >        } catch (IllegalArgumentException success) {}
970 >    }
971 >
972 >    /**
973 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
974 >     */
975 >    public void testConstructor20() {
976 >        try {
977 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
978 >                                   new ArrayBlockingQueue<Runnable>(10),
979 >                                   new SimpleThreadFactory(),
980 >                                   new NoOpREHandler());
981 >            shouldThrow();
982 >        } catch (IllegalArgumentException success) {}
983 >    }
984 >
985 >    /**
986 >     * Constructor throws if workQueue is null
987 >     */
988 >    public void testConstructorNullPointerException6() {
989 >        try {
990 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
991 >                                   (BlockingQueue) null,
992 >                                   new SimpleThreadFactory(),
993 >                                   new NoOpREHandler());
994 >            shouldThrow();
995 >        } catch (NullPointerException success) {}
996 >    }
997 >
998 >    /**
999 >     * Constructor throws if handler is null
1000 >     */
1001 >    public void testConstructorNullPointerException7() {
1002 >        try {
1003 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1004 >                                   new ArrayBlockingQueue<Runnable>(10),
1005 >                                   new SimpleThreadFactory(),
1006 >                                   (RejectedExecutionHandler) null);
1007 >            shouldThrow();
1008 >        } catch (NullPointerException success) {}
1009 >    }
1010 >
1011 >    /**
1012 >     * Constructor throws if ThreadFactory is null
1013 >     */
1014 >    public void testConstructorNullPointerException8() {
1015 >        try {
1016 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1017 >                                   new ArrayBlockingQueue<Runnable>(10),
1018 >                                   (ThreadFactory) null,
1019 >                                   new NoOpREHandler());
1020 >            shouldThrow();
1021 >        } catch (NullPointerException success) {}
1022 >    }
1023 >
1024 >    /**
1025 >     * get of submitted callable throws InterruptedException if interrupted
1026 >     */
1027 >    public void testInterruptedSubmit() throws InterruptedException {
1028 >        final ThreadPoolExecutor p =
1029 >            new ThreadPoolExecutor(1, 1,
1030 >                                   60, SECONDS,
1031 >                                   new ArrayBlockingQueue<Runnable>(10));
1032 >
1033 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1034 >        final CountDownLatch done = new CountDownLatch(1);
1035 >        try {
1036 >            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1037 >                public void realRun() throws Exception {
1038 >                    Callable task = new CheckedCallable<Boolean>() {
1039 >                        public Boolean realCall() throws InterruptedException {
1040 >                            threadStarted.countDown();
1041 >                            done.await();
1042 >                            return Boolean.TRUE;
1043 >                        }};
1044 >                    p.submit(task).get();
1045 >                }});
1046 >
1047 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1048 >            t.interrupt();
1049 >            awaitTermination(t, MEDIUM_DELAY_MS);
1050 >        } finally {
1051 >            done.countDown();
1052 >            joinPool(p);
1053          }
333        catch (IllegalArgumentException success){}
1054      }
1055  
1056 <    /** Throws if workQueue is set to null */
1057 <    public void testNullPointerException2() {
1058 <        try{
1059 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1060 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1056 >    /**
1057 >     * execute throws RejectedExecutionException if saturated.
1058 >     */
1059 >    public void testSaturatedExecute() {
1060 >        ThreadPoolExecutor p =
1061 >            new ThreadPoolExecutor(1, 1,
1062 >                                   LONG_DELAY_MS, MILLISECONDS,
1063 >                                   new ArrayBlockingQueue<Runnable>(1));
1064 >        final CountDownLatch done = new CountDownLatch(1);
1065 >        try {
1066 >            Runnable task = new CheckedRunnable() {
1067 >                public void realRun() throws InterruptedException {
1068 >                    done.await();
1069 >                }};
1070 >            for (int i = 0; i < 2; ++i)
1071 >                p.execute(task);
1072 >            for (int i = 0; i < 2; ++i) {
1073 >                try {
1074 >                    p.execute(task);
1075 >                    shouldThrow();
1076 >                } catch (RejectedExecutionException success) {}
1077 >                assertTrue(p.getTaskCount() <= 2);
1078 >            }
1079 >        } finally {
1080 >            done.countDown();
1081 >            joinPool(p);
1082          }
342        catch (NullPointerException success){}  
1083      }
1084  
1085 <    /** Throws if threadFactory is set to null */
1086 <    public void testNullPointerException3() {
1087 <        try{
1088 <            ThreadFactory f = null;
1089 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1090 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1085 >    /**
1086 >     * submit(runnable) throws RejectedExecutionException if saturated.
1087 >     */
1088 >    public void testSaturatedSubmitRunnable() {
1089 >        ThreadPoolExecutor p =
1090 >            new ThreadPoolExecutor(1, 1,
1091 >                                   LONG_DELAY_MS, MILLISECONDS,
1092 >                                   new ArrayBlockingQueue<Runnable>(1));
1093 >        final CountDownLatch done = new CountDownLatch(1);
1094 >        try {
1095 >            Runnable task = new CheckedRunnable() {
1096 >                public void realRun() throws InterruptedException {
1097 >                    done.await();
1098 >                }};
1099 >            for (int i = 0; i < 2; ++i)
1100 >                p.submit(task);
1101 >            for (int i = 0; i < 2; ++i) {
1102 >                try {
1103 >                    p.execute(task);
1104 >                    shouldThrow();
1105 >                } catch (RejectedExecutionException success) {}
1106 >                assertTrue(p.getTaskCount() <= 2);
1107 >            }
1108 >        } finally {
1109 >            done.countDown();
1110 >            joinPool(p);
1111          }
352        catch (NullPointerException success){}  
1112      }
1113 <
1114 <    
1115 <    /** Throws if corePoolSize argument is less than zero */
1116 <    public void testConstructor11() {
1117 <        try{
1118 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1119 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1113 >
1114 >    /**
1115 >     * submit(callable) throws RejectedExecutionException if saturated.
1116 >     */
1117 >    public void testSaturatedSubmitCallable() {
1118 >        ThreadPoolExecutor p =
1119 >            new ThreadPoolExecutor(1, 1,
1120 >                                   LONG_DELAY_MS, MILLISECONDS,
1121 >                                   new ArrayBlockingQueue<Runnable>(1));
1122 >        final CountDownLatch done = new CountDownLatch(1);
1123 >        try {
1124 >            Runnable task = new CheckedRunnable() {
1125 >                public void realRun() throws InterruptedException {
1126 >                    done.await();
1127 >                }};
1128 >            for (int i = 0; i < 2; ++i)
1129 >                p.submit(Executors.callable(task));
1130 >            for (int i = 0; i < 2; ++i) {
1131 >                try {
1132 >                    p.execute(task);
1133 >                    shouldThrow();
1134 >                } catch (RejectedExecutionException success) {}
1135 >                assertTrue(p.getTaskCount() <= 2);
1136 >            }
1137 >        } finally {
1138 >            done.countDown();
1139 >            joinPool(p);
1140          }
362        catch (IllegalArgumentException success){}
1141      }
1142  
1143 <    /** Throws if maximumPoolSize is less than zero */
1144 <    public void testConstructor12() {
1145 <        try{
1146 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1147 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1143 >    /**
1144 >     * executor using CallerRunsPolicy runs task if saturated.
1145 >     */
1146 >    public void testSaturatedExecute2() {
1147 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1148 >        final ThreadPoolExecutor p =
1149 >            new ThreadPoolExecutor(1, 1,
1150 >                                   LONG_DELAY_MS,
1151 >                                   MILLISECONDS,
1152 >                                   new ArrayBlockingQueue<Runnable>(1),
1153 >                                   h);
1154 >        try {
1155 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1156 >            for (int i = 0; i < tasks.length; ++i)
1157 >                tasks[i] = new TrackedNoOpRunnable();
1158 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1159 >            p.execute(mr);
1160 >            for (int i = 0; i < tasks.length; ++i)
1161 >                p.execute(tasks[i]);
1162 >            for (int i = 1; i < tasks.length; ++i)
1163 >                assertTrue(tasks[i].done);
1164 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1165 >        } finally {
1166 >            joinPool(p);
1167          }
371        catch (IllegalArgumentException success){}
1168      }
1169  
1170 <    /** Throws if maximumPoolSize is equal to zero */
1171 <    public void testConstructor13() {
1172 <        try{
1173 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1174 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1170 >    /**
1171 >     * executor using DiscardPolicy drops task if saturated.
1172 >     */
1173 >    public void testSaturatedExecute3() {
1174 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1175 >        final ThreadPoolExecutor p =
1176 >            new ThreadPoolExecutor(1, 1,
1177 >                                   LONG_DELAY_MS, MILLISECONDS,
1178 >                                   new ArrayBlockingQueue<Runnable>(1),
1179 >                                   h);
1180 >        try {
1181 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1182 >            for (int i = 0; i < tasks.length; ++i)
1183 >                tasks[i] = new TrackedNoOpRunnable();
1184 >            p.execute(new TrackedLongRunnable());
1185 >            for (TrackedNoOpRunnable task : tasks)
1186 >                p.execute(task);
1187 >            for (TrackedNoOpRunnable task : tasks)
1188 >                assertFalse(task.done);
1189 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1190 >        } finally {
1191 >            joinPool(p);
1192          }
380        catch (IllegalArgumentException success){}
1193      }
1194  
1195 <    /** Throws if keepAliveTime is less than zero */
1196 <    public void testConstructor14() {
1197 <        try{
1198 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1199 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1195 >    /**
1196 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1197 >     */
1198 >    public void testSaturatedExecute4() {
1199 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1200 >        final ThreadPoolExecutor p =
1201 >            new ThreadPoolExecutor(1, 1,
1202 >                                   LONG_DELAY_MS, MILLISECONDS,
1203 >                                   new ArrayBlockingQueue<Runnable>(1),
1204 >                                   h);
1205 >        try {
1206 >            p.execute(new TrackedLongRunnable());
1207 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1208 >            p.execute(r2);
1209 >            assertTrue(p.getQueue().contains(r2));
1210 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1211 >            p.execute(r3);
1212 >            assertFalse(p.getQueue().contains(r2));
1213 >            assertTrue(p.getQueue().contains(r3));
1214 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1215 >        } finally {
1216 >            joinPool(p);
1217          }
389        catch (IllegalArgumentException success){}
1218      }
1219  
1220 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
1221 <    public void testConstructor15() {
1222 <        try{
1223 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1224 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1220 >    /**
1221 >     * execute throws RejectedExecutionException if shutdown
1222 >     */
1223 >    public void testRejectedExecutionExceptionOnShutdown() {
1224 >        ThreadPoolExecutor p =
1225 >            new ThreadPoolExecutor(1, 1,
1226 >                                   LONG_DELAY_MS, MILLISECONDS,
1227 >                                   new ArrayBlockingQueue<Runnable>(1));
1228 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1229 >        try {
1230 >            p.execute(new NoOpRunnable());
1231 >            shouldThrow();
1232 >        } catch (RejectedExecutionException success) {}
1233 >
1234 >        joinPool(p);
1235 >    }
1236 >
1237 >    /**
1238 >     * execute using CallerRunsPolicy drops task on shutdown
1239 >     */
1240 >    public void testCallerRunsOnShutdown() {
1241 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1242 >        final ThreadPoolExecutor p =
1243 >            new ThreadPoolExecutor(1, 1,
1244 >                                   LONG_DELAY_MS, MILLISECONDS,
1245 >                                   new ArrayBlockingQueue<Runnable>(1), h);
1246 >
1247 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1248 >        try {
1249 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1250 >            p.execute(r);
1251 >            assertFalse(r.done);
1252 >        } finally {
1253 >            joinPool(p);
1254 >        }
1255 >    }
1256 >
1257 >    /**
1258 >     * execute using DiscardPolicy drops task on shutdown
1259 >     */
1260 >    public void testDiscardOnShutdown() {
1261 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1262 >        ThreadPoolExecutor p =
1263 >            new ThreadPoolExecutor(1, 1,
1264 >                                   LONG_DELAY_MS, MILLISECONDS,
1265 >                                   new ArrayBlockingQueue<Runnable>(1),
1266 >                                   h);
1267 >
1268 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1269 >        try {
1270 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1271 >            p.execute(r);
1272 >            assertFalse(r.done);
1273 >        } finally {
1274 >            joinPool(p);
1275          }
398        catch (IllegalArgumentException success){}
1276      }
1277  
1278 <    /** Throws if workQueue is set to null */
1279 <    public void testNullPointerException4() {
1280 <        try{
1281 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1282 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1278 >    /**
1279 >     * execute using DiscardOldestPolicy drops task on shutdown
1280 >     */
1281 >    public void testDiscardOldestOnShutdown() {
1282 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1283 >        ThreadPoolExecutor p =
1284 >            new ThreadPoolExecutor(1, 1,
1285 >                                   LONG_DELAY_MS, MILLISECONDS,
1286 >                                   new ArrayBlockingQueue<Runnable>(1),
1287 >                                   h);
1288 >
1289 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1290 >        try {
1291 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1292 >            p.execute(r);
1293 >            assertFalse(r.done);
1294 >        } finally {
1295 >            joinPool(p);
1296          }
407        catch (NullPointerException success){}  
1297      }
1298  
1299 <    /** Throws if handler is set to null */
1300 <    public void testNullPointerException5() {
1301 <        try{
1302 <            RejectedExecutionHandler r = null;
1303 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1304 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1299 >    /**
1300 >     * execute(null) throws NPE
1301 >     */
1302 >    public void testExecuteNull() {
1303 >        ThreadPoolExecutor p =
1304 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1305 >                                   new ArrayBlockingQueue<Runnable>(10));
1306 >        try {
1307 >            p.execute(null);
1308 >            shouldThrow();
1309 >        } catch (NullPointerException success) {}
1310 >
1311 >        joinPool(p);
1312 >    }
1313 >
1314 >    /**
1315 >     * setCorePoolSize of negative value throws IllegalArgumentException
1316 >     */
1317 >    public void testCorePoolSizeIllegalArgumentException() {
1318 >        ThreadPoolExecutor p =
1319 >            new ThreadPoolExecutor(1, 2,
1320 >                                   LONG_DELAY_MS, MILLISECONDS,
1321 >                                   new ArrayBlockingQueue<Runnable>(10));
1322 >        try {
1323 >            p.setCorePoolSize(-1);
1324 >            shouldThrow();
1325 >        } catch (IllegalArgumentException success) {
1326 >        } finally {
1327 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1328          }
1329 <        catch (NullPointerException success){}  
1329 >        joinPool(p);
1330      }
1331  
1332 <    
1333 <    /** Throws if corePoolSize argument is less than zero */
1334 <    public void testConstructor16() {
1335 <        try{
1336 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1337 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1332 >    /**
1333 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1334 >     * given a value less the core pool size
1335 >     */
1336 >    public void testMaximumPoolSizeIllegalArgumentException() {
1337 >        ThreadPoolExecutor p =
1338 >            new ThreadPoolExecutor(2, 3,
1339 >                                   LONG_DELAY_MS, MILLISECONDS,
1340 >                                   new ArrayBlockingQueue<Runnable>(10));
1341 >        try {
1342 >            p.setMaximumPoolSize(1);
1343 >            shouldThrow();
1344 >        } catch (IllegalArgumentException success) {
1345 >        } finally {
1346 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1347          }
1348 <        catch (IllegalArgumentException success){}
1348 >        joinPool(p);
1349      }
1350  
1351 <    /** Throws if maximumPoolSize is less than zero */
1352 <    public void testConstructor17() {
1353 <        try{
1354 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1355 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1351 >    /**
1352 >     * setMaximumPoolSize throws IllegalArgumentException
1353 >     * if given a negative value
1354 >     */
1355 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1356 >        ThreadPoolExecutor p =
1357 >            new ThreadPoolExecutor(2, 3,
1358 >                                   LONG_DELAY_MS, MILLISECONDS,
1359 >                                   new ArrayBlockingQueue<Runnable>(10));
1360 >        try {
1361 >            p.setMaximumPoolSize(-1);
1362 >            shouldThrow();
1363 >        } catch (IllegalArgumentException success) {
1364 >        } finally {
1365 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1366          }
1367 <        catch (IllegalArgumentException success){}
1367 >        joinPool(p);
1368      }
1369  
1370 <    /** Throws if maximumPoolSize is equal to zero */
1371 <    public void testConstructor18() {
1372 <        try{
1373 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1374 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1370 >    /**
1371 >     * Configuration changes that allow core pool size greater than
1372 >     * max pool size result in IllegalArgumentException.
1373 >     */
1374 >    public void testPoolSizeInvariants() {
1375 >        ThreadPoolExecutor p =
1376 >            new ThreadPoolExecutor(1, 1,
1377 >                                   LONG_DELAY_MS, MILLISECONDS,
1378 >                                   new ArrayBlockingQueue<Runnable>(10));
1379 >        for (int s = 1; s < 5; s++) {
1380 >            p.setMaximumPoolSize(s);
1381 >            p.setCorePoolSize(s);
1382 >            try {
1383 >                p.setMaximumPoolSize(s - 1);
1384 >                shouldThrow();
1385 >            } catch (IllegalArgumentException success) {}
1386 >            assertEquals(s, p.getCorePoolSize());
1387 >            assertEquals(s, p.getMaximumPoolSize());
1388 >            try {
1389 >                p.setCorePoolSize(s + 1);
1390 >                shouldThrow();
1391 >            } catch (IllegalArgumentException success) {}
1392 >            assertEquals(s, p.getCorePoolSize());
1393 >            assertEquals(s, p.getMaximumPoolSize());
1394          }
1395 <        catch (IllegalArgumentException success){}
1395 >        joinPool(p);
1396      }
1397  
1398 <    /** Throws if keepAliveTime is less than zero */
1399 <    public void testConstructor19() {
1400 <        try{
1401 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1402 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1398 >    /**
1399 >     * setKeepAliveTime throws IllegalArgumentException
1400 >     * when given a negative value
1401 >     */
1402 >    public void testKeepAliveTimeIllegalArgumentException() {
1403 >        ThreadPoolExecutor p =
1404 >            new ThreadPoolExecutor(2, 3,
1405 >                                   LONG_DELAY_MS, MILLISECONDS,
1406 >                                   new ArrayBlockingQueue<Runnable>(10));
1407 >        try {
1408 >            p.setKeepAliveTime(-1,MILLISECONDS);
1409 >            shouldThrow();
1410 >        } catch (IllegalArgumentException success) {
1411 >        } finally {
1412 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1413          }
1414 <        catch (IllegalArgumentException success){}
1414 >        joinPool(p);
1415      }
1416  
1417 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
1418 <    public void testConstructor20() {
1419 <        try{
1420 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1421 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1417 >    /**
1418 >     * terminated() is called on termination
1419 >     */
1420 >    public void testTerminated() {
1421 >        ExtendedTPE p = new ExtendedTPE();
1422 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1423 >        assertTrue(p.terminatedCalled());
1424 >        joinPool(p);
1425 >    }
1426 >
1427 >    /**
1428 >     * beforeExecute and afterExecute are called when executing task
1429 >     */
1430 >    public void testBeforeAfter() throws InterruptedException {
1431 >        ExtendedTPE p = new ExtendedTPE();
1432 >        try {
1433 >            final CountDownLatch done = new CountDownLatch(1);
1434 >            p.execute(new CheckedRunnable() {
1435 >                public void realRun() {
1436 >                    done.countDown();
1437 >                }});
1438 >            await(p.afterCalled);
1439 >            assertEquals(0, done.getCount());
1440 >            assertTrue(p.afterCalled());
1441 >            assertTrue(p.beforeCalled());
1442 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1443 >        } finally {
1444 >            joinPool(p);
1445 >        }
1446 >    }
1447 >
1448 >    /**
1449 >     * completed submit of callable returns result
1450 >     */
1451 >    public void testSubmitCallable() throws Exception {
1452 >        ExecutorService e =
1453 >            new ThreadPoolExecutor(2, 2,
1454 >                                   LONG_DELAY_MS, MILLISECONDS,
1455 >                                   new ArrayBlockingQueue<Runnable>(10));
1456 >        try {
1457 >            Future<String> future = e.submit(new StringTask());
1458 >            String result = future.get();
1459 >            assertSame(TEST_STRING, result);
1460 >        } finally {
1461 >            joinPool(e);
1462 >        }
1463 >    }
1464 >
1465 >    /**
1466 >     * completed submit of runnable returns successfully
1467 >     */
1468 >    public void testSubmitRunnable() throws Exception {
1469 >        ExecutorService e =
1470 >            new ThreadPoolExecutor(2, 2,
1471 >                                   LONG_DELAY_MS, MILLISECONDS,
1472 >                                   new ArrayBlockingQueue<Runnable>(10));
1473 >        try {
1474 >            Future<?> future = e.submit(new NoOpRunnable());
1475 >            future.get();
1476 >            assertTrue(future.isDone());
1477 >        } finally {
1478 >            joinPool(e);
1479 >        }
1480 >    }
1481 >
1482 >    /**
1483 >     * completed submit of (runnable, result) returns result
1484 >     */
1485 >    public void testSubmitRunnable2() throws Exception {
1486 >        ExecutorService e =
1487 >            new ThreadPoolExecutor(2, 2,
1488 >                                   LONG_DELAY_MS, MILLISECONDS,
1489 >                                   new ArrayBlockingQueue<Runnable>(10));
1490 >        try {
1491 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1492 >            String result = future.get();
1493 >            assertSame(TEST_STRING, result);
1494 >        } finally {
1495 >            joinPool(e);
1496 >        }
1497 >    }
1498 >
1499 >    /**
1500 >     * invokeAny(null) throws NPE
1501 >     */
1502 >    public void testInvokeAny1() throws Exception {
1503 >        ExecutorService e =
1504 >            new ThreadPoolExecutor(2, 2,
1505 >                                   LONG_DELAY_MS, MILLISECONDS,
1506 >                                   new ArrayBlockingQueue<Runnable>(10));
1507 >        try {
1508 >            e.invokeAny(null);
1509 >            shouldThrow();
1510 >        } catch (NullPointerException success) {
1511 >        } finally {
1512 >            joinPool(e);
1513 >        }
1514 >    }
1515 >
1516 >    /**
1517 >     * invokeAny(empty collection) throws IAE
1518 >     */
1519 >    public void testInvokeAny2() throws Exception {
1520 >        ExecutorService e =
1521 >            new ThreadPoolExecutor(2, 2,
1522 >                                   LONG_DELAY_MS, MILLISECONDS,
1523 >                                   new ArrayBlockingQueue<Runnable>(10));
1524 >        try {
1525 >            e.invokeAny(new ArrayList<Callable<String>>());
1526 >            shouldThrow();
1527 >        } catch (IllegalArgumentException success) {
1528 >        } finally {
1529 >            joinPool(e);
1530 >        }
1531 >    }
1532 >
1533 >    /**
1534 >     * invokeAny(c) throws NPE if c has null elements
1535 >     */
1536 >    public void testInvokeAny3() throws Exception {
1537 >        final CountDownLatch latch = new CountDownLatch(1);
1538 >        final ExecutorService e =
1539 >            new ThreadPoolExecutor(2, 2,
1540 >                                   LONG_DELAY_MS, MILLISECONDS,
1541 >                                   new ArrayBlockingQueue<Runnable>(10));
1542 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1543 >        l.add(latchAwaitingStringTask(latch));
1544 >        l.add(null);
1545 >        try {
1546 >            e.invokeAny(l);
1547 >            shouldThrow();
1548 >        } catch (NullPointerException success) {
1549 >        } finally {
1550 >            latch.countDown();
1551 >            joinPool(e);
1552 >        }
1553 >    }
1554 >
1555 >    /**
1556 >     * invokeAny(c) throws ExecutionException if no task completes
1557 >     */
1558 >    public void testInvokeAny4() throws Exception {
1559 >        ExecutorService e =
1560 >            new ThreadPoolExecutor(2, 2,
1561 >                                   LONG_DELAY_MS, MILLISECONDS,
1562 >                                   new ArrayBlockingQueue<Runnable>(10));
1563 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1564 >        l.add(new NPETask());
1565 >        try {
1566 >            e.invokeAny(l);
1567 >            shouldThrow();
1568 >        } catch (ExecutionException success) {
1569 >            assertTrue(success.getCause() instanceof NullPointerException);
1570 >        } finally {
1571 >            joinPool(e);
1572 >        }
1573 >    }
1574 >
1575 >    /**
1576 >     * invokeAny(c) returns result of some task
1577 >     */
1578 >    public void testInvokeAny5() throws Exception {
1579 >        ExecutorService e =
1580 >            new ThreadPoolExecutor(2, 2,
1581 >                                   LONG_DELAY_MS, MILLISECONDS,
1582 >                                   new ArrayBlockingQueue<Runnable>(10));
1583 >        try {
1584 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1585 >            l.add(new StringTask());
1586 >            l.add(new StringTask());
1587 >            String result = e.invokeAny(l);
1588 >            assertSame(TEST_STRING, result);
1589 >        } finally {
1590 >            joinPool(e);
1591 >        }
1592 >    }
1593 >
1594 >    /**
1595 >     * invokeAll(null) throws NPE
1596 >     */
1597 >    public void testInvokeAll1() throws Exception {
1598 >        ExecutorService e =
1599 >            new ThreadPoolExecutor(2, 2,
1600 >                                   LONG_DELAY_MS, MILLISECONDS,
1601 >                                   new ArrayBlockingQueue<Runnable>(10));
1602 >        try {
1603 >            e.invokeAll(null);
1604 >            shouldThrow();
1605 >        } catch (NullPointerException success) {
1606 >        } finally {
1607 >            joinPool(e);
1608 >        }
1609 >    }
1610 >
1611 >    /**
1612 >     * invokeAll(empty collection) returns empty collection
1613 >     */
1614 >    public void testInvokeAll2() throws InterruptedException {
1615 >        ExecutorService e =
1616 >            new ThreadPoolExecutor(2, 2,
1617 >                                   LONG_DELAY_MS, MILLISECONDS,
1618 >                                   new ArrayBlockingQueue<Runnable>(10));
1619 >        try {
1620 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1621 >            assertTrue(r.isEmpty());
1622 >        } finally {
1623 >            joinPool(e);
1624 >        }
1625 >    }
1626 >
1627 >    /**
1628 >     * invokeAll(c) throws NPE if c has null elements
1629 >     */
1630 >    public void testInvokeAll3() throws Exception {
1631 >        ExecutorService e =
1632 >            new ThreadPoolExecutor(2, 2,
1633 >                                   LONG_DELAY_MS, MILLISECONDS,
1634 >                                   new ArrayBlockingQueue<Runnable>(10));
1635 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1636 >        l.add(new StringTask());
1637 >        l.add(null);
1638 >        try {
1639 >            e.invokeAll(l);
1640 >            shouldThrow();
1641 >        } catch (NullPointerException success) {
1642 >        } finally {
1643 >            joinPool(e);
1644 >        }
1645 >    }
1646 >
1647 >    /**
1648 >     * get of element of invokeAll(c) throws exception on failed task
1649 >     */
1650 >    public void testInvokeAll4() throws Exception {
1651 >        ExecutorService e =
1652 >            new ThreadPoolExecutor(2, 2,
1653 >                                   LONG_DELAY_MS, MILLISECONDS,
1654 >                                   new ArrayBlockingQueue<Runnable>(10));
1655 >        try {
1656 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1657 >            l.add(new NPETask());
1658 >            List<Future<String>> futures = e.invokeAll(l);
1659 >            assertEquals(1, futures.size());
1660 >            try {
1661 >                futures.get(0).get();
1662 >                shouldThrow();
1663 >            } catch (ExecutionException success) {
1664 >                assertTrue(success.getCause() instanceof NullPointerException);
1665 >            }
1666 >        } finally {
1667 >            joinPool(e);
1668 >        }
1669 >    }
1670 >
1671 >    /**
1672 >     * invokeAll(c) returns results of all completed tasks
1673 >     */
1674 >    public void testInvokeAll5() throws Exception {
1675 >        ExecutorService e =
1676 >            new ThreadPoolExecutor(2, 2,
1677 >                                   LONG_DELAY_MS, MILLISECONDS,
1678 >                                   new ArrayBlockingQueue<Runnable>(10));
1679 >        try {
1680 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1681 >            l.add(new StringTask());
1682 >            l.add(new StringTask());
1683 >            List<Future<String>> futures = e.invokeAll(l);
1684 >            assertEquals(2, futures.size());
1685 >            for (Future<String> future : futures)
1686 >                assertSame(TEST_STRING, future.get());
1687 >        } finally {
1688 >            joinPool(e);
1689 >        }
1690 >    }
1691 >
1692 >    /**
1693 >     * timed invokeAny(null) throws NPE
1694 >     */
1695 >    public void testTimedInvokeAny1() throws Exception {
1696 >        ExecutorService e =
1697 >            new ThreadPoolExecutor(2, 2,
1698 >                                   LONG_DELAY_MS, MILLISECONDS,
1699 >                                   new ArrayBlockingQueue<Runnable>(10));
1700 >        try {
1701 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1702 >            shouldThrow();
1703 >        } catch (NullPointerException success) {
1704 >        } finally {
1705 >            joinPool(e);
1706 >        }
1707 >    }
1708 >
1709 >    /**
1710 >     * timed invokeAny(,,null) throws NPE
1711 >     */
1712 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1713 >        ExecutorService e =
1714 >            new ThreadPoolExecutor(2, 2,
1715 >                                   LONG_DELAY_MS, MILLISECONDS,
1716 >                                   new ArrayBlockingQueue<Runnable>(10));
1717 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1718 >        l.add(new StringTask());
1719 >        try {
1720 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1721 >            shouldThrow();
1722 >        } catch (NullPointerException success) {
1723 >        } finally {
1724 >            joinPool(e);
1725 >        }
1726 >    }
1727 >
1728 >    /**
1729 >     * timed invokeAny(empty collection) throws IAE
1730 >     */
1731 >    public void testTimedInvokeAny2() throws Exception {
1732 >        ExecutorService e =
1733 >            new ThreadPoolExecutor(2, 2,
1734 >                                   LONG_DELAY_MS, MILLISECONDS,
1735 >                                   new ArrayBlockingQueue<Runnable>(10));
1736 >        try {
1737 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1738 >            shouldThrow();
1739 >        } catch (IllegalArgumentException success) {
1740 >        } finally {
1741 >            joinPool(e);
1742 >        }
1743 >    }
1744 >
1745 >    /**
1746 >     * timed invokeAny(c) throws NPE if c has null elements
1747 >     */
1748 >    public void testTimedInvokeAny3() throws Exception {
1749 >        final CountDownLatch latch = new CountDownLatch(1);
1750 >        final ExecutorService e =
1751 >            new ThreadPoolExecutor(2, 2,
1752 >                                   LONG_DELAY_MS, MILLISECONDS,
1753 >                                   new ArrayBlockingQueue<Runnable>(10));
1754 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1755 >        l.add(latchAwaitingStringTask(latch));
1756 >        l.add(null);
1757 >        try {
1758 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1759 >            shouldThrow();
1760 >        } catch (NullPointerException success) {
1761 >        } finally {
1762 >            latch.countDown();
1763 >            joinPool(e);
1764 >        }
1765 >    }
1766 >
1767 >    /**
1768 >     * timed invokeAny(c) throws ExecutionException if no task completes
1769 >     */
1770 >    public void testTimedInvokeAny4() throws Exception {
1771 >        ExecutorService e =
1772 >            new ThreadPoolExecutor(2, 2,
1773 >                                   LONG_DELAY_MS, MILLISECONDS,
1774 >                                   new ArrayBlockingQueue<Runnable>(10));
1775 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1776 >        l.add(new NPETask());
1777 >        try {
1778 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1779 >            shouldThrow();
1780 >        } catch (ExecutionException success) {
1781 >            assertTrue(success.getCause() instanceof NullPointerException);
1782 >        } finally {
1783 >            joinPool(e);
1784 >        }
1785 >    }
1786 >
1787 >    /**
1788 >     * timed invokeAny(c) returns result of some task
1789 >     */
1790 >    public void testTimedInvokeAny5() throws Exception {
1791 >        ExecutorService e =
1792 >            new ThreadPoolExecutor(2, 2,
1793 >                                   LONG_DELAY_MS, MILLISECONDS,
1794 >                                   new ArrayBlockingQueue<Runnable>(10));
1795 >        try {
1796 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1797 >            l.add(new StringTask());
1798 >            l.add(new StringTask());
1799 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1800 >            assertSame(TEST_STRING, result);
1801 >        } finally {
1802 >            joinPool(e);
1803 >        }
1804 >    }
1805 >
1806 >    /**
1807 >     * timed invokeAll(null) throws NPE
1808 >     */
1809 >    public void testTimedInvokeAll1() throws Exception {
1810 >        ExecutorService e =
1811 >            new ThreadPoolExecutor(2, 2,
1812 >                                   LONG_DELAY_MS, MILLISECONDS,
1813 >                                   new ArrayBlockingQueue<Runnable>(10));
1814 >        try {
1815 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1816 >            shouldThrow();
1817 >        } catch (NullPointerException success) {
1818 >        } finally {
1819 >            joinPool(e);
1820 >        }
1821 >    }
1822 >
1823 >    /**
1824 >     * timed invokeAll(,,null) throws NPE
1825 >     */
1826 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1827 >        ExecutorService e =
1828 >            new ThreadPoolExecutor(2, 2,
1829 >                                   LONG_DELAY_MS, MILLISECONDS,
1830 >                                   new ArrayBlockingQueue<Runnable>(10));
1831 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1832 >        l.add(new StringTask());
1833 >        try {
1834 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1835 >            shouldThrow();
1836 >        } catch (NullPointerException success) {
1837 >        } finally {
1838 >            joinPool(e);
1839 >        }
1840 >    }
1841 >
1842 >    /**
1843 >     * timed invokeAll(empty collection) returns empty collection
1844 >     */
1845 >    public void testTimedInvokeAll2() throws InterruptedException {
1846 >        ExecutorService e =
1847 >            new ThreadPoolExecutor(2, 2,
1848 >                                   LONG_DELAY_MS, MILLISECONDS,
1849 >                                   new ArrayBlockingQueue<Runnable>(10));
1850 >        try {
1851 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1852 >            assertTrue(r.isEmpty());
1853 >        } finally {
1854 >            joinPool(e);
1855 >        }
1856 >    }
1857 >
1858 >    /**
1859 >     * timed invokeAll(c) throws NPE if c has null elements
1860 >     */
1861 >    public void testTimedInvokeAll3() throws Exception {
1862 >        ExecutorService e =
1863 >            new ThreadPoolExecutor(2, 2,
1864 >                                   LONG_DELAY_MS, MILLISECONDS,
1865 >                                   new ArrayBlockingQueue<Runnable>(10));
1866 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1867 >        l.add(new StringTask());
1868 >        l.add(null);
1869 >        try {
1870 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1871 >            shouldThrow();
1872 >        } catch (NullPointerException success) {
1873 >        } finally {
1874 >            joinPool(e);
1875          }
463        catch (IllegalArgumentException success){}
1876      }
1877  
1878 <    /** Throws if workQueue is set to null */
1879 <    public void testNullPointerException6() {
1880 <        try{
1881 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1882 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1878 >    /**
1879 >     * get of element of invokeAll(c) throws exception on failed task
1880 >     */
1881 >    public void testTimedInvokeAll4() throws Exception {
1882 >        ExecutorService e =
1883 >            new ThreadPoolExecutor(2, 2,
1884 >                                   LONG_DELAY_MS, MILLISECONDS,
1885 >                                   new ArrayBlockingQueue<Runnable>(10));
1886 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1887 >        l.add(new NPETask());
1888 >        List<Future<String>> futures =
1889 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1890 >        assertEquals(1, futures.size());
1891 >        try {
1892 >            futures.get(0).get();
1893 >            shouldThrow();
1894 >        } catch (ExecutionException success) {
1895 >            assertTrue(success.getCause() instanceof NullPointerException);
1896 >        } finally {
1897 >            joinPool(e);
1898          }
472        catch (NullPointerException success){}  
1899      }
1900  
1901 <    /** Throws if handler is set to null */
1902 <    public void testNullPointerException7() {
1903 <        try{
1904 <            RejectedExecutionHandler r = null;
1905 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1906 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1901 >    /**
1902 >     * timed invokeAll(c) returns results of all completed tasks
1903 >     */
1904 >    public void testTimedInvokeAll5() throws Exception {
1905 >        ExecutorService e =
1906 >            new ThreadPoolExecutor(2, 2,
1907 >                                   LONG_DELAY_MS, MILLISECONDS,
1908 >                                   new ArrayBlockingQueue<Runnable>(10));
1909 >        try {
1910 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1911 >            l.add(new StringTask());
1912 >            l.add(new StringTask());
1913 >            List<Future<String>> futures =
1914 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1915 >            assertEquals(2, futures.size());
1916 >            for (Future<String> future : futures)
1917 >                assertSame(TEST_STRING, future.get());
1918 >        } finally {
1919 >            joinPool(e);
1920          }
482        catch (NullPointerException success){}  
1921      }
1922  
1923 <    /** Throws if ThreadFactory is set top null */
1924 <    public void testNullPointerException8() {
1925 <        try{
1926 <            ThreadFactory f = null;
1927 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1928 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1923 >    /**
1924 >     * timed invokeAll(c) cancels tasks not completed by timeout
1925 >     */
1926 >    public void testTimedInvokeAll6() throws Exception {
1927 >        ExecutorService e =
1928 >            new ThreadPoolExecutor(2, 2,
1929 >                                   LONG_DELAY_MS, MILLISECONDS,
1930 >                                   new ArrayBlockingQueue<Runnable>(10));
1931 >        try {
1932 >            for (long timeout = timeoutMillis();;) {
1933 >                List<Callable<String>> tasks = new ArrayList<>();
1934 >                tasks.add(new StringTask("0"));
1935 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1936 >                tasks.add(new StringTask("2"));
1937 >                long startTime = System.nanoTime();
1938 >                List<Future<String>> futures =
1939 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1940 >                assertEquals(tasks.size(), futures.size());
1941 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1942 >                for (Future future : futures)
1943 >                    assertTrue(future.isDone());
1944 >                assertTrue(futures.get(1).isCancelled());
1945 >                try {
1946 >                    assertEquals("0", futures.get(0).get());
1947 >                    assertEquals("2", futures.get(2).get());
1948 >                    break;
1949 >                } catch (CancellationException retryWithLongerTimeout) {
1950 >                    timeout *= 2;
1951 >                    if (timeout >= LONG_DELAY_MS / 2)
1952 >                        fail("expected exactly one task to be cancelled");
1953 >                }
1954 >            }
1955 >        } finally {
1956 >            joinPool(e);
1957          }
492        catch (NullPointerException successdn8){}  
1958      }
494    
1959  
1960      /**
1961 <     *   execute will throw RejectedExcutionException
1962 <     *  ThreadPoolExecutor will throw one when more runnables are
499 <     *  executed then will fit in the Queue.
1961 >     * Execution continues if there is at least one thread even if
1962 >     * thread factory fails to create more
1963       */
1964 <    public void testRejectedExecutionException(){
1965 <        ThreadPoolExecutor tpe = null;
1966 <        try{
1967 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1968 <        } catch(Exception e){}
1969 <        tpe.shutdown();
1970 <        try{
1971 <            tpe.execute(new NoOpRunnable());
1972 <            fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1973 <        } catch(RejectedExecutionException success){}
1974 <        
1975 <        joinPool(tpe);
1964 >    public void testFailingThreadFactory() throws InterruptedException {
1965 >        final ExecutorService e =
1966 >            new ThreadPoolExecutor(100, 100,
1967 >                                   LONG_DELAY_MS, MILLISECONDS,
1968 >                                   new LinkedBlockingQueue<Runnable>(),
1969 >                                   new FailingThreadFactory());
1970 >        try {
1971 >            final int TASKS = 100;
1972 >            final CountDownLatch done = new CountDownLatch(TASKS);
1973 >            for (int k = 0; k < TASKS; ++k)
1974 >                e.execute(new CheckedRunnable() {
1975 >                    public void realRun() {
1976 >                        done.countDown();
1977 >                    }});
1978 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1979 >        } finally {
1980 >            joinPool(e);
1981 >        }
1982 >    }
1983 >
1984 >    /**
1985 >     * allowsCoreThreadTimeOut is by default false.
1986 >     */
1987 >    public void testAllowsCoreThreadTimeOut() {
1988 >        final ThreadPoolExecutor p =
1989 >            new ThreadPoolExecutor(2, 2,
1990 >                                   1000, MILLISECONDS,
1991 >                                   new ArrayBlockingQueue<Runnable>(10));
1992 >        assertFalse(p.allowsCoreThreadTimeOut());
1993 >        joinPool(p);
1994      }
1995 <    
1995 >
1996      /**
1997 <     *   setCorePoolSize will throw IllegalArgumentException
517 <     *  when given a negative
1997 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1998       */
1999 <    public void testCorePoolSizeIllegalArgumentException(){
2000 <        ThreadPoolExecutor tpe = null;
2001 <        try{
2002 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2003 <        } catch(Exception e){}
2004 <        try{
2005 <            tpe.setCorePoolSize(-1);
2006 <            fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
2007 <        } catch(IllegalArgumentException success){
1999 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
2000 >        long keepAliveTime = timeoutMillis();
2001 >        final ThreadPoolExecutor p =
2002 >            new ThreadPoolExecutor(2, 10,
2003 >                                   keepAliveTime, MILLISECONDS,
2004 >                                   new ArrayBlockingQueue<Runnable>(10));
2005 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2006 >        try {
2007 >            p.allowCoreThreadTimeOut(true);
2008 >            p.execute(new CheckedRunnable() {
2009 >                public void realRun() {
2010 >                    threadStarted.countDown();
2011 >                    assertEquals(1, p.getPoolSize());
2012 >                }});
2013 >            await(threadStarted);
2014 >            delay(keepAliveTime);
2015 >            long startTime = System.nanoTime();
2016 >            while (p.getPoolSize() > 0
2017 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
2018 >                Thread.yield();
2019 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2020 >            assertEquals(0, p.getPoolSize());
2021          } finally {
2022 <            tpe.shutdown();
2022 >            joinPool(p);
2023          }
2024 <        joinPool(tpe);
532 <    }  
2024 >    }
2025  
534    
2026      /**
2027 <     *   setMaximumPoolSize(int) will throw IllegalArgumentException
2028 <     *  if given a value less the it's actual core pool size
2029 <     */  
2030 <    public void testMaximumPoolSizeIllegalArgumentException(){
2031 <        ThreadPoolExecutor tpe = null;
2032 <        try{
2033 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2034 <        } catch(Exception e){}
2035 <        try{
2036 <            tpe.setMaximumPoolSize(1);
2037 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2038 <        } catch(IllegalArgumentException success){
2027 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
2028 >     */
2029 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
2030 >        long keepAliveTime = timeoutMillis();
2031 >        final ThreadPoolExecutor p =
2032 >            new ThreadPoolExecutor(2, 10,
2033 >                                   keepAliveTime, MILLISECONDS,
2034 >                                   new ArrayBlockingQueue<Runnable>(10));
2035 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2036 >        try {
2037 >            p.allowCoreThreadTimeOut(false);
2038 >            p.execute(new CheckedRunnable() {
2039 >                public void realRun() throws InterruptedException {
2040 >                    threadStarted.countDown();
2041 >                    assertTrue(p.getPoolSize() >= 1);
2042 >                }});
2043 >            delay(2 * keepAliveTime);
2044 >            assertTrue(p.getPoolSize() >= 1);
2045          } finally {
2046 <            tpe.shutdown();
2046 >            joinPool(p);
2047          }
551        joinPool(tpe);
2048      }
2049 <    
2049 >
2050      /**
2051 <     *   setMaximumPoolSize will throw IllegalArgumentException
2052 <     *  if given a negative number
2051 >     * execute allows the same task to be submitted multiple times, even
2052 >     * if rejected
2053       */
2054 <    public void testMaximumPoolSizeIllegalArgumentException2(){
2055 <        ThreadPoolExecutor tpe = null;
2056 <        try{
2057 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2058 <        } catch(Exception e){}
2059 <        try{
2060 <            tpe.setMaximumPoolSize(-1);
2061 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2062 <        } catch(IllegalArgumentException success){
2054 >    public void testRejectedRecycledTask() throws InterruptedException {
2055 >        final int nTasks = 1000;
2056 >        final CountDownLatch done = new CountDownLatch(nTasks);
2057 >        final Runnable recycledTask = new Runnable() {
2058 >            public void run() {
2059 >                done.countDown();
2060 >            }};
2061 >        final ThreadPoolExecutor p =
2062 >            new ThreadPoolExecutor(1, 30,
2063 >                                   60, SECONDS,
2064 >                                   new ArrayBlockingQueue(30));
2065 >        try {
2066 >            for (int i = 0; i < nTasks; ++i) {
2067 >                for (;;) {
2068 >                    try {
2069 >                        p.execute(recycledTask);
2070 >                        break;
2071 >                    }
2072 >                    catch (RejectedExecutionException ignore) {}
2073 >                }
2074 >            }
2075 >            // enough time to run all tasks
2076 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2077          } finally {
2078 <            tpe.shutdown();
2078 >            joinPool(p);
2079          }
570        joinPool(tpe);
2080      }
572    
2081  
2082      /**
2083 <     *   setKeepAliveTime will throw IllegalArgumentException
576 <     *  when given a negative value
2083 >     * get(cancelled task) throws CancellationException
2084       */
2085 <    public void testKeepAliveTimeIllegalArgumentException(){
2086 <        ThreadPoolExecutor tpe = null;
2087 <        try{
2088 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2089 <        } catch(Exception e){}
2090 <        
2091 <        try{
2092 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
2093 <            fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
2094 <        } catch(IllegalArgumentException success){
2085 >    public void testGet_cancelled() throws Exception {
2086 >        final ExecutorService e =
2087 >            new ThreadPoolExecutor(1, 1,
2088 >                                   LONG_DELAY_MS, MILLISECONDS,
2089 >                                   new LinkedBlockingQueue<Runnable>());
2090 >        try {
2091 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2092 >            final CountDownLatch done = new CountDownLatch(1);
2093 >            final List<Future<?>> futures = new ArrayList<>();
2094 >            for (int i = 0; i < 2; i++) {
2095 >                Runnable r = new CheckedRunnable() { public void realRun()
2096 >                                                         throws Throwable {
2097 >                    blockerStarted.countDown();
2098 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2099 >                }};
2100 >                futures.add(e.submit(r));
2101 >            }
2102 >            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2103 >            for (Future<?> future : futures) future.cancel(false);
2104 >            for (Future<?> future : futures) {
2105 >                try {
2106 >                    future.get();
2107 >                    shouldThrow();
2108 >                } catch (CancellationException success) {}
2109 >                try {
2110 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2111 >                    shouldThrow();
2112 >                } catch (CancellationException success) {}
2113 >                assertTrue(future.isCancelled());
2114 >                assertTrue(future.isDone());
2115 >            }
2116 >            done.countDown();
2117          } finally {
2118 <            tpe.shutdown();
2118 >            joinPool(e);
2119          }
591        joinPool(tpe);
2120      }
2121 <  
2121 >
2122   }

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