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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 20:39:11 2003 UTC vs.
Revision 1.80 by jsr166, Sun Oct 4 02:21:43 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 TestCase{
37 > public class ThreadPoolExecutorTest extends JSR166TestCase {
38      public static void main(String[] args) {
39 <        junit.textui.TestRunner.run (suite());  
39 >        main(suite(), args);
40      }
16
17
41      public static Test suite() {
42          return new TestSuite(ThreadPoolExecutorTest.class);
43      }
44 <    
45 <    private static long SHORT_DELAY_MS = 100;
46 <    private static long MEDIUM_DELAY_MS = 1000;
47 <    private static long LONG_DELAY_MS = 10000;
48 <
49 < //---- testThread class to implement ThreadFactory for use in constructors
50 <    static class testThread implements ThreadFactory{
51 <        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 < //---- testReject class to implement RejectedExecutionHandler for use in the constructors
83 <    static class testReject implements RejectedExecutionHandler{
84 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
82 >    /**
83 >     * execute successfully executes a runnable
84 >     */
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 >        try (PoolCleaner cleaner = cleaner(p)) {
91 >            final CountDownLatch done = new CountDownLatch(1);
92 >            final Runnable task = new CheckedRunnable() {
93 >                public void realRun() { done.countDown(); }};
94 >            p.execute(task);
95 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96 >        }
97      }
98  
99 <    public Runnable newRunnable(){
100 <        return new Runnable(){
101 <                public void run(){
102 <                    try{Thread.sleep(MEDIUM_DELAY_MS);
103 <                    } catch(Exception e){
104 <                    }
105 <                }
106 <            };
99 >    /**
100 >     * getActiveCount increases but doesn't overestimate, when a
101 >     * thread becomes active
102 >     */
103 >    public void testGetActiveCount() throws InterruptedException {
104 >        final ThreadPoolExecutor p =
105 >            new ThreadPoolExecutor(2, 2,
106 >                                   LONG_DELAY_MS, MILLISECONDS,
107 >                                   new ArrayBlockingQueue<Runnable>(10));
108 >        try (PoolCleaner cleaner = cleaner(p)) {
109 >            final CountDownLatch threadStarted = new CountDownLatch(1);
110 >            final CountDownLatch done = new CountDownLatch(1);
111 >            assertEquals(0, p.getActiveCount());
112 >            p.execute(new CheckedRunnable() {
113 >                public void realRun() throws InterruptedException {
114 >                    threadStarted.countDown();
115 >                    assertEquals(1, p.getActiveCount());
116 >                    done.await();
117 >                }});
118 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
119 >            assertEquals(1, p.getActiveCount());
120 >            done.countDown();
121 >        }
122 >    }
123 >
124 >    /**
125 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
126 >     */
127 >    public void testPrestartCoreThread() {
128 >        final ThreadPoolExecutor p =
129 >            new ThreadPoolExecutor(2, 6,
130 >                                   LONG_DELAY_MS, MILLISECONDS,
131 >                                   new ArrayBlockingQueue<Runnable>(10));
132 >        try (PoolCleaner cleaner = cleaner(p)) {
133 >            assertEquals(0, p.getPoolSize());
134 >            assertTrue(p.prestartCoreThread());
135 >            assertEquals(1, p.getPoolSize());
136 >            assertTrue(p.prestartCoreThread());
137 >            assertEquals(2, p.getPoolSize());
138 >            assertFalse(p.prestartCoreThread());
139 >            assertEquals(2, p.getPoolSize());
140 >            p.setCorePoolSize(4);
141 >            assertTrue(p.prestartCoreThread());
142 >            assertEquals(3, p.getPoolSize());
143 >            assertTrue(p.prestartCoreThread());
144 >            assertEquals(4, p.getPoolSize());
145 >            assertFalse(p.prestartCoreThread());
146 >            assertEquals(4, p.getPoolSize());
147 >        }
148 >    }
149 >
150 >    /**
151 >     * prestartAllCoreThreads starts all corePoolSize threads
152 >     */
153 >    public void testPrestartAllCoreThreads() {
154 >        final ThreadPoolExecutor p =
155 >            new ThreadPoolExecutor(2, 6,
156 >                                   LONG_DELAY_MS, MILLISECONDS,
157 >                                   new ArrayBlockingQueue<Runnable>(10));
158 >        try (PoolCleaner cleaner = cleaner(p)) {
159 >            assertEquals(0, p.getPoolSize());
160 >            p.prestartAllCoreThreads();
161 >            assertEquals(2, p.getPoolSize());
162 >            p.prestartAllCoreThreads();
163 >            assertEquals(2, p.getPoolSize());
164 >            p.setCorePoolSize(4);
165 >            p.prestartAllCoreThreads();
166 >            assertEquals(4, p.getPoolSize());
167 >            p.prestartAllCoreThreads();
168 >            assertEquals(4, p.getPoolSize());
169 >        }
170 >    }
171 >
172 >    /**
173 >     * getCompletedTaskCount increases, but doesn't overestimate,
174 >     * when tasks complete
175 >     */
176 >    public void testGetCompletedTaskCount() throws InterruptedException {
177 >        final ThreadPoolExecutor p =
178 >            new ThreadPoolExecutor(2, 2,
179 >                                   LONG_DELAY_MS, MILLISECONDS,
180 >                                   new ArrayBlockingQueue<Runnable>(10));
181 >        try (PoolCleaner cleaner = cleaner(p)) {
182 >            final CountDownLatch threadStarted = new CountDownLatch(1);
183 >            final CountDownLatch threadProceed = new CountDownLatch(1);
184 >            final CountDownLatch threadDone = new CountDownLatch(1);
185 >            assertEquals(0, p.getCompletedTaskCount());
186 >            p.execute(new CheckedRunnable() {
187 >                public void realRun() throws InterruptedException {
188 >                    threadStarted.countDown();
189 >                    assertEquals(0, p.getCompletedTaskCount());
190 >                    threadProceed.await();
191 >                    threadDone.countDown();
192 >                }});
193 >            await(threadStarted);
194 >            assertEquals(0, p.getCompletedTaskCount());
195 >            threadProceed.countDown();
196 >            threadDone.await();
197 >            long startTime = System.nanoTime();
198 >            while (p.getCompletedTaskCount() != 1) {
199 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200 >                    fail("timed out");
201 >                Thread.yield();
202 >            }
203 >        }
204 >    }
205 >
206 >    /**
207 >     * getCorePoolSize returns size given in constructor if not otherwise set
208 >     */
209 >    public void testGetCorePoolSize() {
210 >        final ThreadPoolExecutor p =
211 >            new ThreadPoolExecutor(1, 1,
212 >                                   LONG_DELAY_MS, MILLISECONDS,
213 >                                   new ArrayBlockingQueue<Runnable>(10));
214 >        try (PoolCleaner cleaner = cleaner(p)) {
215 >            assertEquals(1, p.getCorePoolSize());
216 >        }
217 >    }
218 >
219 >    /**
220 >     * getKeepAliveTime returns value given in constructor if not otherwise set
221 >     */
222 >    public void testGetKeepAliveTime() {
223 >        final ThreadPoolExecutor p =
224 >            new ThreadPoolExecutor(2, 2,
225 >                                   1000, MILLISECONDS,
226 >                                   new ArrayBlockingQueue<Runnable>(10));
227 >        try (PoolCleaner cleaner = cleaner(p)) {
228 >            assertEquals(1, p.getKeepAliveTime(SECONDS));
229 >        }
230 >    }
231 >
232 >    /**
233 >     * getThreadFactory returns factory in constructor if not set
234 >     */
235 >    public void testGetThreadFactory() {
236 >        ThreadFactory threadFactory = new SimpleThreadFactory();
237 >        final ThreadPoolExecutor p =
238 >            new ThreadPoolExecutor(1, 2,
239 >                                   LONG_DELAY_MS, MILLISECONDS,
240 >                                   new ArrayBlockingQueue<Runnable>(10),
241 >                                   threadFactory,
242 >                                   new NoOpREHandler());
243 >        try (PoolCleaner cleaner = cleaner(p)) {
244 >            assertSame(threadFactory, p.getThreadFactory());
245 >        }
246 >    }
247 >
248 >    /**
249 >     * setThreadFactory sets the thread factory returned by getThreadFactory
250 >     */
251 >    public void testSetThreadFactory() {
252 >        final ThreadPoolExecutor p =
253 >            new ThreadPoolExecutor(1, 2,
254 >                                   LONG_DELAY_MS, MILLISECONDS,
255 >                                   new ArrayBlockingQueue<Runnable>(10));
256 >        try (PoolCleaner cleaner = cleaner(p)) {
257 >            ThreadFactory threadFactory = new SimpleThreadFactory();
258 >            p.setThreadFactory(threadFactory);
259 >            assertSame(threadFactory, p.getThreadFactory());
260 >        }
261 >    }
262 >
263 >    /**
264 >     * setThreadFactory(null) throws NPE
265 >     */
266 >    public void testSetThreadFactoryNull() {
267 >        final ThreadPoolExecutor p =
268 >            new ThreadPoolExecutor(1, 2,
269 >                                   LONG_DELAY_MS, MILLISECONDS,
270 >                                   new ArrayBlockingQueue<Runnable>(10));
271 >        try (PoolCleaner cleaner = cleaner(p)) {
272 >            try {
273 >                p.setThreadFactory(null);
274 >                shouldThrow();
275 >            } catch (NullPointerException success) {}
276 >        }
277      }
278  
48
279      /**
280 <     *  Test to verify that execute successfully executes a runnable
280 >     * getRejectedExecutionHandler returns handler in constructor if not set
281       */
282 <    public void testExecute(){
283 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
282 >    public void testGetRejectedExecutionHandler() {
283 >        final RejectedExecutionHandler handler = new NoOpREHandler();
284 >        final ThreadPoolExecutor p =
285 >            new ThreadPoolExecutor(1, 2,
286 >                                   LONG_DELAY_MS, MILLISECONDS,
287 >                                   new ArrayBlockingQueue<Runnable>(10),
288 >                                   handler);
289 >        try (PoolCleaner cleaner = cleaner(p)) {
290 >            assertSame(handler, p.getRejectedExecutionHandler());
291 >        }
292 >    }
293 >
294 >    /**
295 >     * setRejectedExecutionHandler sets the handler returned by
296 >     * getRejectedExecutionHandler
297 >     */
298 >    public void testSetRejectedExecutionHandler() {
299 >        final ThreadPoolExecutor p =
300 >            new ThreadPoolExecutor(1, 2,
301 >                                   LONG_DELAY_MS, MILLISECONDS,
302 >                                   new ArrayBlockingQueue<Runnable>(10));
303 >        try (PoolCleaner cleaner = cleaner(p)) {
304 >            RejectedExecutionHandler handler = new NoOpREHandler();
305 >            p.setRejectedExecutionHandler(handler);
306 >            assertSame(handler, p.getRejectedExecutionHandler());
307 >        }
308 >    }
309 >
310 >    /**
311 >     * setRejectedExecutionHandler(null) throws NPE
312 >     */
313 >    public void testSetRejectedExecutionHandlerNull() {
314 >        final ThreadPoolExecutor p =
315 >            new ThreadPoolExecutor(1, 2,
316 >                                   LONG_DELAY_MS, MILLISECONDS,
317 >                                   new ArrayBlockingQueue<Runnable>(10));
318 >        try (PoolCleaner cleaner = cleaner(p)) {
319 >            try {
320 >                p.setRejectedExecutionHandler(null);
321 >                shouldThrow();
322 >            } catch (NullPointerException success) {}
323 >        }
324 >    }
325 >
326 >    /**
327 >     * getLargestPoolSize increases, but doesn't overestimate, when
328 >     * multiple threads active
329 >     */
330 >    public void testGetLargestPoolSize() throws InterruptedException {
331 >        final int THREADS = 3;
332 >        final ThreadPoolExecutor p =
333 >            new ThreadPoolExecutor(THREADS, THREADS,
334 >                                   LONG_DELAY_MS, MILLISECONDS,
335 >                                   new ArrayBlockingQueue<Runnable>(10));
336 >        try (PoolCleaner cleaner = cleaner(p)) {
337 >            final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338 >            final CountDownLatch done = new CountDownLatch(1);
339 >            assertEquals(0, p.getLargestPoolSize());
340 >            for (int i = 0; i < THREADS; i++)
341 >                p.execute(new CheckedRunnable() {
342 >                    public void realRun() throws InterruptedException {
343 >                        threadsStarted.countDown();
344 >                        done.await();
345 >                        assertEquals(THREADS, p.getLargestPoolSize());
346 >                    }});
347 >            assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
348 >            assertEquals(THREADS, p.getLargestPoolSize());
349 >            done.countDown();   // release pool
350 >        }
351 >        assertEquals(THREADS, p.getLargestPoolSize());
352 >    }
353 >
354 >    /**
355 >     * getMaximumPoolSize returns value given in constructor if not
356 >     * otherwise set
357 >     */
358 >    public void testGetMaximumPoolSize() {
359 >        final ThreadPoolExecutor p =
360 >            new ThreadPoolExecutor(2, 3,
361 >                                   LONG_DELAY_MS, MILLISECONDS,
362 >                                   new ArrayBlockingQueue<Runnable>(10));
363 >        try (PoolCleaner cleaner = cleaner(p)) {
364 >            assertEquals(3, p.getMaximumPoolSize());
365 >            p.setMaximumPoolSize(5);
366 >            assertEquals(5, p.getMaximumPoolSize());
367 >            p.setMaximumPoolSize(4);
368 >            assertEquals(4, p.getMaximumPoolSize());
369 >        }
370 >    }
371 >
372 >    /**
373 >     * getPoolSize increases, but doesn't overestimate, when threads
374 >     * become active
375 >     */
376 >    public void testGetPoolSize() throws InterruptedException {
377 >        final ThreadPoolExecutor p =
378 >            new ThreadPoolExecutor(1, 1,
379 >                                   LONG_DELAY_MS, MILLISECONDS,
380 >                                   new ArrayBlockingQueue<Runnable>(10));
381 >        try (PoolCleaner cleaner = cleaner(p)) {
382 >            final CountDownLatch threadStarted = new CountDownLatch(1);
383 >            final CountDownLatch done = new CountDownLatch(1);
384 >            assertEquals(0, p.getPoolSize());
385 >            p.execute(new CheckedRunnable() {
386 >                public void realRun() throws InterruptedException {
387 >                    threadStarted.countDown();
388 >                    assertEquals(1, p.getPoolSize());
389 >                    done.await();
390 >                }});
391 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
392 >            assertEquals(1, p.getPoolSize());
393 >            done.countDown();   // release pool
394 >        }
395 >    }
396 >
397 >    /**
398 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
399 >     */
400 >    public void testGetTaskCount() throws InterruptedException {
401 >        final ThreadPoolExecutor p =
402 >            new ThreadPoolExecutor(1, 1,
403 >                                   LONG_DELAY_MS, MILLISECONDS,
404 >                                   new ArrayBlockingQueue<Runnable>(10));
405 >        final CountDownLatch threadStarted = new CountDownLatch(1);
406 >        final CountDownLatch done = new CountDownLatch(1);
407          try {
408 <            one.execute(new Runnable(){
409 <                    public void run(){
410 <                        try{
411 <                            Thread.sleep(SHORT_DELAY_MS);
412 <                        } catch(InterruptedException e){
413 <                            fail("unexpected exception");
414 <                        }
415 <                    }
416 <                });
417 <            Thread.sleep(SHORT_DELAY_MS * 2);
418 <        } catch(InterruptedException e){
419 <            fail("unexpected exception");
408 >            assertEquals(0, p.getTaskCount());
409 >            p.execute(new CheckedRunnable() {
410 >                public void realRun() throws InterruptedException {
411 >                    threadStarted.countDown();
412 >                    assertEquals(1, p.getTaskCount());
413 >                    done.await();
414 >                }});
415 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
416 >            assertEquals(1, p.getTaskCount());
417 >        } finally {
418 >            done.countDown();
419 >            joinPool(p);
420 >        }
421 >    }
422 >
423 >    /**
424 >     * isShutdown is false before shutdown, true after
425 >     */
426 >    public void testIsShutdown() {
427 >        final ThreadPoolExecutor p =
428 >            new ThreadPoolExecutor(1, 1,
429 >                                   LONG_DELAY_MS, MILLISECONDS,
430 >                                   new ArrayBlockingQueue<Runnable>(10));
431 >        assertFalse(p.isShutdown());
432 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
433 >        assertTrue(p.isShutdown());
434 >        joinPool(p);
435 >    }
436 >
437 >    /**
438 >     * awaitTermination on a non-shutdown pool times out
439 >     */
440 >    public void testAwaitTermination_timesOut() throws InterruptedException {
441 >        final ThreadPoolExecutor p =
442 >            new ThreadPoolExecutor(1, 1,
443 >                                   LONG_DELAY_MS, MILLISECONDS,
444 >                                   new ArrayBlockingQueue<Runnable>(10));
445 >        assertFalse(p.isTerminated());
446 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
447 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
448 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
449 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
450 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
451 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
452 >        long timeoutNanos = 999999L;
453 >        long startTime = System.nanoTime();
454 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
455 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
456 >        assertFalse(p.isTerminated());
457 >        startTime = System.nanoTime();
458 >        long timeoutMillis = timeoutMillis();
459 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
460 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
461 >        assertFalse(p.isTerminated());
462 >        p.shutdown();
463 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
464 >        assertTrue(p.isTerminated());
465 >    }
466 >
467 >    /**
468 >     * isTerminated is false before termination, true after
469 >     */
470 >    public void testIsTerminated() throws InterruptedException {
471 >        final ThreadPoolExecutor p =
472 >            new ThreadPoolExecutor(1, 1,
473 >                                   LONG_DELAY_MS, MILLISECONDS,
474 >                                   new ArrayBlockingQueue<Runnable>(10));
475 >        final CountDownLatch threadStarted = new CountDownLatch(1);
476 >        final CountDownLatch done = new CountDownLatch(1);
477 >        assertFalse(p.isTerminated());
478 >        try {
479 >            p.execute(new CheckedRunnable() {
480 >                public void realRun() throws InterruptedException {
481 >                    assertFalse(p.isTerminated());
482 >                    threadStarted.countDown();
483 >                    done.await();
484 >                }});
485 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
486 >            assertFalse(p.isTerminating());
487 >            done.countDown();
488 >        } finally {
489 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
490 >        }
491 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
492 >        assertTrue(p.isTerminated());
493 >    }
494 >
495 >    /**
496 >     * isTerminating is not true when running or when terminated
497 >     */
498 >    public void testIsTerminating() throws InterruptedException {
499 >        final ThreadPoolExecutor p =
500 >            new ThreadPoolExecutor(1, 1,
501 >                                   LONG_DELAY_MS, MILLISECONDS,
502 >                                   new ArrayBlockingQueue<Runnable>(10));
503 >        final CountDownLatch threadStarted = new CountDownLatch(1);
504 >        final CountDownLatch done = new CountDownLatch(1);
505 >        try {
506 >            assertFalse(p.isTerminating());
507 >            p.execute(new CheckedRunnable() {
508 >                public void realRun() throws InterruptedException {
509 >                    assertFalse(p.isTerminating());
510 >                    threadStarted.countDown();
511 >                    done.await();
512 >                }});
513 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
514 >            assertFalse(p.isTerminating());
515 >            done.countDown();
516 >        } finally {
517 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
518 >        }
519 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
520 >        assertTrue(p.isTerminated());
521 >        assertFalse(p.isTerminating());
522 >    }
523 >
524 >    /**
525 >     * getQueue returns the work queue, which contains queued tasks
526 >     */
527 >    public void testGetQueue() throws InterruptedException {
528 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
529 >        final ThreadPoolExecutor p =
530 >            new ThreadPoolExecutor(1, 1,
531 >                                   LONG_DELAY_MS, MILLISECONDS,
532 >                                   q);
533 >        final CountDownLatch threadStarted = new CountDownLatch(1);
534 >        final CountDownLatch done = new CountDownLatch(1);
535 >        try {
536 >            FutureTask[] tasks = new FutureTask[5];
537 >            for (int i = 0; i < tasks.length; i++) {
538 >                Callable task = new CheckedCallable<Boolean>() {
539 >                    public Boolean realCall() throws InterruptedException {
540 >                        threadStarted.countDown();
541 >                        assertSame(q, p.getQueue());
542 >                        done.await();
543 >                        return Boolean.TRUE;
544 >                    }};
545 >                tasks[i] = new FutureTask(task);
546 >                p.execute(tasks[i]);
547 >            }
548 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
549 >            assertSame(q, p.getQueue());
550 >            assertFalse(q.contains(tasks[0]));
551 >            assertTrue(q.contains(tasks[tasks.length - 1]));
552 >            assertEquals(tasks.length - 1, q.size());
553 >        } finally {
554 >            done.countDown();
555 >            joinPool(p);
556 >        }
557 >    }
558 >
559 >    /**
560 >     * remove(task) removes queued task, and fails to remove active task
561 >     */
562 >    public void testRemove() throws InterruptedException {
563 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
564 >        final ThreadPoolExecutor p =
565 >            new ThreadPoolExecutor(1, 1,
566 >                                   LONG_DELAY_MS, MILLISECONDS,
567 >                                   q);
568 >        Runnable[] tasks = new Runnable[5];
569 >        final CountDownLatch threadStarted = new CountDownLatch(1);
570 >        final CountDownLatch done = new CountDownLatch(1);
571 >        try {
572 >            for (int i = 0; i < tasks.length; i++) {
573 >                tasks[i] = new CheckedRunnable() {
574 >                    public void realRun() throws InterruptedException {
575 >                        threadStarted.countDown();
576 >                        done.await();
577 >                    }};
578 >                p.execute(tasks[i]);
579 >            }
580 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
581 >            assertFalse(p.remove(tasks[0]));
582 >            assertTrue(q.contains(tasks[4]));
583 >            assertTrue(q.contains(tasks[3]));
584 >            assertTrue(p.remove(tasks[4]));
585 >            assertFalse(p.remove(tasks[4]));
586 >            assertFalse(q.contains(tasks[4]));
587 >            assertTrue(q.contains(tasks[3]));
588 >            assertTrue(p.remove(tasks[3]));
589 >            assertFalse(q.contains(tasks[3]));
590          } finally {
591 <            one.shutdown();
591 >            done.countDown();
592 >            joinPool(p);
593          }
594      }
595  
596      /**
597 <     *  Test to verify getActiveCount gives correct values
597 >     * purge removes cancelled tasks from the queue
598 >     */
599 >    public void testPurge() throws InterruptedException {
600 >        final CountDownLatch threadStarted = new CountDownLatch(1);
601 >        final CountDownLatch done = new CountDownLatch(1);
602 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
603 >        final ThreadPoolExecutor p =
604 >            new ThreadPoolExecutor(1, 1,
605 >                                   LONG_DELAY_MS, MILLISECONDS,
606 >                                   q);
607 >        FutureTask[] tasks = new FutureTask[5];
608 >        try {
609 >            for (int i = 0; i < tasks.length; i++) {
610 >                Callable task = new CheckedCallable<Boolean>() {
611 >                    public Boolean realCall() throws InterruptedException {
612 >                        threadStarted.countDown();
613 >                        done.await();
614 >                        return Boolean.TRUE;
615 >                    }};
616 >                tasks[i] = new FutureTask(task);
617 >                p.execute(tasks[i]);
618 >            }
619 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
620 >            assertEquals(tasks.length, p.getTaskCount());
621 >            assertEquals(tasks.length - 1, q.size());
622 >            assertEquals(1L, p.getActiveCount());
623 >            assertEquals(0L, p.getCompletedTaskCount());
624 >            tasks[4].cancel(true);
625 >            tasks[3].cancel(false);
626 >            p.purge();
627 >            assertEquals(tasks.length - 3, q.size());
628 >            assertEquals(tasks.length - 2, p.getTaskCount());
629 >            p.purge();         // Nothing to do
630 >            assertEquals(tasks.length - 3, q.size());
631 >            assertEquals(tasks.length - 2, p.getTaskCount());
632 >        } finally {
633 >            done.countDown();
634 >            joinPool(p);
635 >        }
636 >    }
637 >
638 >    /**
639 >     * shutdownNow returns a list containing tasks that were not run,
640 >     * and those tasks are drained from the queue
641 >     */
642 >    public void testShutdownNow() throws InterruptedException {
643 >        final int poolSize = 2;
644 >        final int count = 5;
645 >        final AtomicInteger ran = new AtomicInteger(0);
646 >        final ThreadPoolExecutor p =
647 >            new ThreadPoolExecutor(poolSize, poolSize,
648 >                                   LONG_DELAY_MS, MILLISECONDS,
649 >                                   new ArrayBlockingQueue<Runnable>(10));
650 >        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
651 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
652 >            threadsStarted.countDown();
653 >            try {
654 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
655 >            } catch (InterruptedException success) {}
656 >            ran.getAndIncrement();
657 >        }};
658 >        for (int i = 0; i < count; i++)
659 >            p.execute(waiter);
660 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
661 >        assertEquals(poolSize, p.getActiveCount());
662 >        assertEquals(0, p.getCompletedTaskCount());
663 >        final List<Runnable> queuedTasks;
664 >        try {
665 >            queuedTasks = p.shutdownNow();
666 >        } catch (SecurityException ok) {
667 >            return; // Allowed in case test doesn't have privs
668 >        }
669 >        assertTrue(p.isShutdown());
670 >        assertTrue(p.getQueue().isEmpty());
671 >        assertEquals(count - poolSize, queuedTasks.size());
672 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
673 >        assertTrue(p.isTerminated());
674 >        assertEquals(poolSize, ran.get());
675 >        assertEquals(poolSize, p.getCompletedTaskCount());
676 >    }
677 >
678 >    // Exception Tests
679 >
680 >    /**
681 >     * Constructor throws if corePoolSize argument is less than zero
682 >     */
683 >    public void testConstructor1() {
684 >        try {
685 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
686 >                                   new ArrayBlockingQueue<Runnable>(10));
687 >            shouldThrow();
688 >        } catch (IllegalArgumentException success) {}
689 >    }
690 >
691 >    /**
692 >     * Constructor throws if maximumPoolSize is less than zero
693 >     */
694 >    public void testConstructor2() {
695 >        try {
696 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
697 >                                   new ArrayBlockingQueue<Runnable>(10));
698 >            shouldThrow();
699 >        } catch (IllegalArgumentException success) {}
700 >    }
701 >
702 >    /**
703 >     * Constructor throws if maximumPoolSize is equal to zero
704 >     */
705 >    public void testConstructor3() {
706 >        try {
707 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
708 >                                   new ArrayBlockingQueue<Runnable>(10));
709 >            shouldThrow();
710 >        } catch (IllegalArgumentException success) {}
711 >    }
712 >
713 >    /**
714 >     * Constructor throws if keepAliveTime is less than zero
715 >     */
716 >    public void testConstructor4() {
717 >        try {
718 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
719 >                                   new ArrayBlockingQueue<Runnable>(10));
720 >            shouldThrow();
721 >        } catch (IllegalArgumentException success) {}
722 >    }
723 >
724 >    /**
725 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
726 >     */
727 >    public void testConstructor5() {
728 >        try {
729 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
730 >                                   new ArrayBlockingQueue<Runnable>(10));
731 >            shouldThrow();
732 >        } catch (IllegalArgumentException success) {}
733 >    }
734 >
735 >    /**
736 >     * Constructor throws if workQueue is set to null
737 >     */
738 >    public void testConstructorNullPointerException() {
739 >        try {
740 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
741 >                                   (BlockingQueue) null);
742 >            shouldThrow();
743 >        } catch (NullPointerException success) {}
744 >    }
745 >
746 >    /**
747 >     * Constructor throws if corePoolSize argument is less than zero
748 >     */
749 >    public void testConstructor6() {
750 >        try {
751 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
752 >                                   new ArrayBlockingQueue<Runnable>(10),
753 >                                   new SimpleThreadFactory());
754 >            shouldThrow();
755 >        } catch (IllegalArgumentException success) {}
756 >    }
757 >
758 >    /**
759 >     * Constructor throws if maximumPoolSize is less than zero
760 >     */
761 >    public void testConstructor7() {
762 >        try {
763 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
764 >                                   new ArrayBlockingQueue<Runnable>(10),
765 >                                   new SimpleThreadFactory());
766 >            shouldThrow();
767 >        } catch (IllegalArgumentException success) {}
768 >    }
769 >
770 >    /**
771 >     * Constructor throws if maximumPoolSize is equal to zero
772 >     */
773 >    public void testConstructor8() {
774 >        try {
775 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
776 >                                   new ArrayBlockingQueue<Runnable>(10),
777 >                                   new SimpleThreadFactory());
778 >            shouldThrow();
779 >        } catch (IllegalArgumentException success) {}
780 >    }
781 >
782 >    /**
783 >     * Constructor throws if keepAliveTime is less than zero
784 >     */
785 >    public void testConstructor9() {
786 >        try {
787 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
788 >                                   new ArrayBlockingQueue<Runnable>(10),
789 >                                   new SimpleThreadFactory());
790 >            shouldThrow();
791 >        } catch (IllegalArgumentException success) {}
792 >    }
793 >
794 >    /**
795 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
796 >     */
797 >    public void testConstructor10() {
798 >        try {
799 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
800 >                                   new ArrayBlockingQueue<Runnable>(10),
801 >                                   new SimpleThreadFactory());
802 >            shouldThrow();
803 >        } catch (IllegalArgumentException success) {}
804 >    }
805 >
806 >    /**
807 >     * Constructor throws if workQueue is set to null
808 >     */
809 >    public void testConstructorNullPointerException2() {
810 >        try {
811 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
812 >                                   (BlockingQueue) null,
813 >                                   new SimpleThreadFactory());
814 >            shouldThrow();
815 >        } catch (NullPointerException success) {}
816 >    }
817 >
818 >    /**
819 >     * Constructor throws if threadFactory is set to null
820 >     */
821 >    public void testConstructorNullPointerException3() {
822 >        try {
823 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
824 >                                   new ArrayBlockingQueue<Runnable>(10),
825 >                                   (ThreadFactory) null);
826 >            shouldThrow();
827 >        } catch (NullPointerException success) {}
828 >    }
829 >
830 >    /**
831 >     * Constructor throws if corePoolSize argument is less than zero
832 >     */
833 >    public void testConstructor11() {
834 >        try {
835 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
836 >                                   new ArrayBlockingQueue<Runnable>(10),
837 >                                   new NoOpREHandler());
838 >            shouldThrow();
839 >        } catch (IllegalArgumentException success) {}
840 >    }
841 >
842 >    /**
843 >     * Constructor throws if maximumPoolSize is less than zero
844 >     */
845 >    public void testConstructor12() {
846 >        try {
847 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
848 >                                   new ArrayBlockingQueue<Runnable>(10),
849 >                                   new NoOpREHandler());
850 >            shouldThrow();
851 >        } catch (IllegalArgumentException success) {}
852 >    }
853 >
854 >    /**
855 >     * Constructor throws if maximumPoolSize is equal to zero
856 >     */
857 >    public void testConstructor13() {
858 >        try {
859 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
860 >                                   new ArrayBlockingQueue<Runnable>(10),
861 >                                   new NoOpREHandler());
862 >            shouldThrow();
863 >        } catch (IllegalArgumentException success) {}
864 >    }
865 >
866 >    /**
867 >     * Constructor throws if keepAliveTime is less than zero
868 >     */
869 >    public void testConstructor14() {
870 >        try {
871 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
872 >                                   new ArrayBlockingQueue<Runnable>(10),
873 >                                   new NoOpREHandler());
874 >            shouldThrow();
875 >        } catch (IllegalArgumentException success) {}
876 >    }
877 >
878 >    /**
879 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
880 >     */
881 >    public void testConstructor15() {
882 >        try {
883 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
884 >                                   new ArrayBlockingQueue<Runnable>(10),
885 >                                   new NoOpREHandler());
886 >            shouldThrow();
887 >        } catch (IllegalArgumentException success) {}
888 >    }
889 >
890 >    /**
891 >     * Constructor throws if workQueue is set to null
892 >     */
893 >    public void testConstructorNullPointerException4() {
894 >        try {
895 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
896 >                                   (BlockingQueue) null,
897 >                                   new NoOpREHandler());
898 >            shouldThrow();
899 >        } catch (NullPointerException success) {}
900 >    }
901 >
902 >    /**
903 >     * Constructor throws if handler is set to null
904       */
905 <    public void testGetActiveCount(){
76 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
905 >    public void testConstructorNullPointerException5() {
906          try {
907 <            assertEquals(0, two.getActiveCount());
908 <            two.execute(newRunnable());
909 <            try{Thread.sleep(10);} catch(Exception e){}
910 <            assertEquals(1, two.getActiveCount());
907 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
908 >                                   new ArrayBlockingQueue<Runnable>(10),
909 >                                   (RejectedExecutionHandler) null);
910 >            shouldThrow();
911 >        } catch (NullPointerException success) {}
912 >    }
913 >
914 >    /**
915 >     * Constructor throws if corePoolSize argument is less than zero
916 >     */
917 >    public void testConstructor16() {
918 >        try {
919 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
920 >                                   new ArrayBlockingQueue<Runnable>(10),
921 >                                   new SimpleThreadFactory(),
922 >                                   new NoOpREHandler());
923 >            shouldThrow();
924 >        } catch (IllegalArgumentException success) {}
925 >    }
926 >
927 >    /**
928 >     * Constructor throws if maximumPoolSize is less than zero
929 >     */
930 >    public void testConstructor17() {
931 >        try {
932 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
933 >                                   new ArrayBlockingQueue<Runnable>(10),
934 >                                   new SimpleThreadFactory(),
935 >                                   new NoOpREHandler());
936 >            shouldThrow();
937 >        } catch (IllegalArgumentException success) {}
938 >    }
939 >
940 >    /**
941 >     * Constructor throws if maximumPoolSize is equal to zero
942 >     */
943 >    public void testConstructor18() {
944 >        try {
945 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
946 >                                   new ArrayBlockingQueue<Runnable>(10),
947 >                                   new SimpleThreadFactory(),
948 >                                   new NoOpREHandler());
949 >            shouldThrow();
950 >        } catch (IllegalArgumentException success) {}
951 >    }
952 >
953 >    /**
954 >     * Constructor throws if keepAliveTime is less than zero
955 >     */
956 >    public void testConstructor19() {
957 >        try {
958 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
959 >                                   new ArrayBlockingQueue<Runnable>(10),
960 >                                   new SimpleThreadFactory(),
961 >                                   new NoOpREHandler());
962 >            shouldThrow();
963 >        } catch (IllegalArgumentException success) {}
964 >    }
965 >
966 >    /**
967 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
968 >     */
969 >    public void testConstructor20() {
970 >        try {
971 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
972 >                                   new ArrayBlockingQueue<Runnable>(10),
973 >                                   new SimpleThreadFactory(),
974 >                                   new NoOpREHandler());
975 >            shouldThrow();
976 >        } catch (IllegalArgumentException success) {}
977 >    }
978 >
979 >    /**
980 >     * Constructor throws if workQueue is null
981 >     */
982 >    public void testConstructorNullPointerException6() {
983 >        try {
984 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
985 >                                   (BlockingQueue) null,
986 >                                   new SimpleThreadFactory(),
987 >                                   new NoOpREHandler());
988 >            shouldThrow();
989 >        } catch (NullPointerException success) {}
990 >    }
991 >
992 >    /**
993 >     * Constructor throws if handler is null
994 >     */
995 >    public void testConstructorNullPointerException7() {
996 >        try {
997 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
998 >                                   new ArrayBlockingQueue<Runnable>(10),
999 >                                   new SimpleThreadFactory(),
1000 >                                   (RejectedExecutionHandler) null);
1001 >            shouldThrow();
1002 >        } catch (NullPointerException success) {}
1003 >    }
1004 >
1005 >    /**
1006 >     * Constructor throws if ThreadFactory is null
1007 >     */
1008 >    public void testConstructorNullPointerException8() {
1009 >        try {
1010 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1011 >                                   new ArrayBlockingQueue<Runnable>(10),
1012 >                                   (ThreadFactory) null,
1013 >                                   new NoOpREHandler());
1014 >            shouldThrow();
1015 >        } catch (NullPointerException success) {}
1016 >    }
1017 >
1018 >    /**
1019 >     * get of submitted callable throws InterruptedException if interrupted
1020 >     */
1021 >    public void testInterruptedSubmit() throws InterruptedException {
1022 >        final ThreadPoolExecutor p =
1023 >            new ThreadPoolExecutor(1, 1,
1024 >                                   60, SECONDS,
1025 >                                   new ArrayBlockingQueue<Runnable>(10));
1026 >
1027 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1028 >        final CountDownLatch done = new CountDownLatch(1);
1029 >        try {
1030 >            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1031 >                public void realRun() throws Exception {
1032 >                    Callable task = new CheckedCallable<Boolean>() {
1033 >                        public Boolean realCall() throws InterruptedException {
1034 >                            threadStarted.countDown();
1035 >                            done.await();
1036 >                            return Boolean.TRUE;
1037 >                        }};
1038 >                    p.submit(task).get();
1039 >                }});
1040 >
1041 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1042 >            t.interrupt();
1043 >            awaitTermination(t, MEDIUM_DELAY_MS);
1044          } finally {
1045 <            two.shutdown();
1045 >            done.countDown();
1046 >            joinPool(p);
1047          }
1048      }
1049 <    
1049 >
1050      /**
1051 <     *  Test to verify getCompleteTaskCount gives correct values
1051 >     * execute throws RejectedExecutionException if saturated.
1052       */
1053 <    public void testGetCompletedTaskCount(){
1054 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1053 >    public void testSaturatedExecute() {
1054 >        ThreadPoolExecutor p =
1055 >            new ThreadPoolExecutor(1, 1,
1056 >                                   LONG_DELAY_MS, MILLISECONDS,
1057 >                                   new ArrayBlockingQueue<Runnable>(1));
1058 >        final CountDownLatch done = new CountDownLatch(1);
1059          try {
1060 <            assertEquals(0, two.getCompletedTaskCount());
1061 <            two.execute(newRunnable());
1062 <            try{Thread.sleep(2000);} catch(Exception e){}
1063 <            assertEquals(1, two.getCompletedTaskCount());
1060 >            Runnable task = new CheckedRunnable() {
1061 >                public void realRun() throws InterruptedException {
1062 >                    done.await();
1063 >                }};
1064 >            for (int i = 0; i < 2; ++i)
1065 >                p.execute(task);
1066 >            for (int i = 0; i < 2; ++i) {
1067 >                try {
1068 >                    p.execute(task);
1069 >                    shouldThrow();
1070 >                } catch (RejectedExecutionException success) {}
1071 >                assertTrue(p.getTaskCount() <= 2);
1072 >            }
1073          } finally {
1074 <            two.shutdown();
1074 >            done.countDown();
1075 >            joinPool(p);
1076          }
1077      }
1078 <    
1078 >
1079      /**
1080 <     *  Test to verify getCorePoolSize gives correct values
1080 >     * submit(runnable) throws RejectedExecutionException if saturated.
1081       */
1082 <    public void testGetCorePoolSize(){
1083 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1082 >    public void testSaturatedSubmitRunnable() {
1083 >        ThreadPoolExecutor p =
1084 >            new ThreadPoolExecutor(1, 1,
1085 >                                   LONG_DELAY_MS, MILLISECONDS,
1086 >                                   new ArrayBlockingQueue<Runnable>(1));
1087 >        final CountDownLatch done = new CountDownLatch(1);
1088          try {
1089 <            assertEquals(1, one.getCorePoolSize());
1089 >            Runnable task = new CheckedRunnable() {
1090 >                public void realRun() throws InterruptedException {
1091 >                    done.await();
1092 >                }};
1093 >            for (int i = 0; i < 2; ++i)
1094 >                p.submit(task);
1095 >            for (int i = 0; i < 2; ++i) {
1096 >                try {
1097 >                    p.execute(task);
1098 >                    shouldThrow();
1099 >                } catch (RejectedExecutionException success) {}
1100 >                assertTrue(p.getTaskCount() <= 2);
1101 >            }
1102          } finally {
1103 <            one.shutdown();
1103 >            done.countDown();
1104 >            joinPool(p);
1105          }
1106      }
1107 <    
1107 >
1108      /**
1109 <     *  Test to verify getKeepAliveTime gives correct values
1109 >     * submit(callable) throws RejectedExecutionException if saturated.
1110       */
1111 <    public void testGetKeepAliveTime(){
1112 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1111 >    public void testSaturatedSubmitCallable() {
1112 >        ThreadPoolExecutor p =
1113 >            new ThreadPoolExecutor(1, 1,
1114 >                                   LONG_DELAY_MS, MILLISECONDS,
1115 >                                   new ArrayBlockingQueue<Runnable>(1));
1116 >        final CountDownLatch done = new CountDownLatch(1);
1117          try {
1118 <            assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
1118 >            Runnable task = new CheckedRunnable() {
1119 >                public void realRun() throws InterruptedException {
1120 >                    done.await();
1121 >                }};
1122 >            for (int i = 0; i < 2; ++i)
1123 >                p.submit(Executors.callable(task));
1124 >            for (int i = 0; i < 2; ++i) {
1125 >                try {
1126 >                    p.execute(task);
1127 >                    shouldThrow();
1128 >                } catch (RejectedExecutionException success) {}
1129 >                assertTrue(p.getTaskCount() <= 2);
1130 >            }
1131          } finally {
1132 <            two.shutdown();
1132 >            done.countDown();
1133 >            joinPool(p);
1134          }
1135      }
1136 <    
1136 >
1137      /**
1138 <     *  Test to verify getLargestPoolSize gives correct values
1138 >     * executor using CallerRunsPolicy runs task if saturated.
1139       */
1140 <    public void testGetLargestPoolSize(){
1141 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1140 >    public void testSaturatedExecute2() {
1141 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1142 >        final ThreadPoolExecutor p =
1143 >            new ThreadPoolExecutor(1, 1,
1144 >                                   LONG_DELAY_MS,
1145 >                                   MILLISECONDS,
1146 >                                   new ArrayBlockingQueue<Runnable>(1),
1147 >                                   h);
1148          try {
1149 <            assertEquals(0, two.getLargestPoolSize());
1150 <            two.execute(newRunnable());
1151 <            two.execute(newRunnable());
1152 <            try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
1153 <            assertEquals(2, two.getLargestPoolSize());
1149 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1150 >            for (int i = 0; i < tasks.length; ++i)
1151 >                tasks[i] = new TrackedNoOpRunnable();
1152 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1153 >            p.execute(mr);
1154 >            for (int i = 0; i < tasks.length; ++i)
1155 >                p.execute(tasks[i]);
1156 >            for (int i = 1; i < tasks.length; ++i)
1157 >                assertTrue(tasks[i].done);
1158 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1159          } finally {
1160 <            two.shutdown();
1160 >            joinPool(p);
1161          }
1162      }
1163 <    
1163 >
1164      /**
1165 <     *  Test to verify getMaximumPoolSize gives correct values
1165 >     * executor using DiscardPolicy drops task if saturated.
1166       */
1167 <    public void testGetMaximumPoolSize(){
1168 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1167 >    public void testSaturatedExecute3() {
1168 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1169 >        final ThreadPoolExecutor p =
1170 >            new ThreadPoolExecutor(1, 1,
1171 >                                   LONG_DELAY_MS, MILLISECONDS,
1172 >                                   new ArrayBlockingQueue<Runnable>(1),
1173 >                                   h);
1174          try {
1175 <            assertEquals(2, two.getMaximumPoolSize());
1175 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1176 >            for (int i = 0; i < tasks.length; ++i)
1177 >                tasks[i] = new TrackedNoOpRunnable();
1178 >            p.execute(new TrackedLongRunnable());
1179 >            for (TrackedNoOpRunnable task : tasks)
1180 >                p.execute(task);
1181 >            for (TrackedNoOpRunnable task : tasks)
1182 >                assertFalse(task.done);
1183 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1184          } finally {
1185 <            two.shutdown();
1185 >            joinPool(p);
1186          }
1187      }
1188 <    
1188 >
1189      /**
1190 <     *  Test to verify getPoolSize gives correct values
1190 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1191       */
1192 <    public void testGetPoolSize(){
1193 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1194 <        try {
1195 <            assertEquals(0, one.getPoolSize());
1196 <            one.execute(newRunnable());
1197 <            assertEquals(1, one.getPoolSize());
1192 >    public void testSaturatedExecute4() {
1193 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1194 >        final ThreadPoolExecutor p =
1195 >            new ThreadPoolExecutor(1, 1,
1196 >                                   LONG_DELAY_MS, MILLISECONDS,
1197 >                                   new ArrayBlockingQueue<Runnable>(1),
1198 >                                   h);
1199 >        try {
1200 >            p.execute(new TrackedLongRunnable());
1201 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1202 >            p.execute(r2);
1203 >            assertTrue(p.getQueue().contains(r2));
1204 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1205 >            p.execute(r3);
1206 >            assertFalse(p.getQueue().contains(r2));
1207 >            assertTrue(p.getQueue().contains(r3));
1208 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1209          } finally {
1210 <            one.shutdown();
1210 >            joinPool(p);
1211          }
1212      }
1213 <    
1213 >
1214      /**
1215 <     *  Test to verify getTaskCount gives correct values
1215 >     * execute throws RejectedExecutionException if shutdown
1216       */
1217 <    public void testGetTaskCount(){
1218 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1217 >    public void testRejectedExecutionExceptionOnShutdown() {
1218 >        ThreadPoolExecutor p =
1219 >            new ThreadPoolExecutor(1, 1,
1220 >                                   LONG_DELAY_MS, MILLISECONDS,
1221 >                                   new ArrayBlockingQueue<Runnable>(1));
1222 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1223          try {
1224 <            assertEquals(0, one.getTaskCount());
1225 <            for(int i = 0; i < 5; i++)
1226 <                one.execute(newRunnable());
1227 <            try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
1228 <            assertEquals(5, one.getTaskCount());
1224 >            p.execute(new NoOpRunnable());
1225 >            shouldThrow();
1226 >        } catch (RejectedExecutionException success) {}
1227 >
1228 >        joinPool(p);
1229 >    }
1230 >
1231 >    /**
1232 >     * execute using CallerRunsPolicy drops task on shutdown
1233 >     */
1234 >    public void testCallerRunsOnShutdown() {
1235 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1236 >        final ThreadPoolExecutor p =
1237 >            new ThreadPoolExecutor(1, 1,
1238 >                                   LONG_DELAY_MS, MILLISECONDS,
1239 >                                   new ArrayBlockingQueue<Runnable>(1), h);
1240 >
1241 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1242 >        try {
1243 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1244 >            p.execute(r);
1245 >            assertFalse(r.done);
1246          } finally {
1247 <            one.shutdown();
1247 >            joinPool(p);
1248          }
1249      }
1250 <    
1250 >
1251      /**
1252 <     *  Test to verify isShutDown gives correct values
1252 >     * execute using DiscardPolicy drops task on shutdown
1253       */
1254 <    public void testIsShutdown(){
1255 <        
1256 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1254 >    public void testDiscardOnShutdown() {
1255 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1256 >        ThreadPoolExecutor p =
1257 >            new ThreadPoolExecutor(1, 1,
1258 >                                   LONG_DELAY_MS, MILLISECONDS,
1259 >                                   new ArrayBlockingQueue<Runnable>(1),
1260 >                                   h);
1261 >
1262 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1263          try {
1264 <            assertFalse(one.isShutdown());
1264 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1265 >            p.execute(r);
1266 >            assertFalse(r.done);
1267 >        } finally {
1268 >            joinPool(p);
1269          }
1270 <        finally {
1271 <            one.shutdown();
1270 >    }
1271 >
1272 >    /**
1273 >     * execute using DiscardOldestPolicy drops task on shutdown
1274 >     */
1275 >    public void testDiscardOldestOnShutdown() {
1276 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1277 >        ThreadPoolExecutor p =
1278 >            new ThreadPoolExecutor(1, 1,
1279 >                                   LONG_DELAY_MS, MILLISECONDS,
1280 >                                   new ArrayBlockingQueue<Runnable>(1),
1281 >                                   h);
1282 >
1283 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1284 >        try {
1285 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1286 >            p.execute(r);
1287 >            assertFalse(r.done);
1288 >        } finally {
1289 >            joinPool(p);
1290          }
196        assertTrue(one.isShutdown());
1291      }
1292  
199        
1293      /**
1294 <     *  Test to verify isTerminated gives correct values
202 <     *  Makes sure termination does not take an innapropriate
203 <     *  amount of time
1294 >     * execute(null) throws NPE
1295       */
1296 <    public void testIsTerminated(){
1297 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1296 >    public void testExecuteNull() {
1297 >        ThreadPoolExecutor p =
1298 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1299 >                                   new ArrayBlockingQueue<Runnable>(10));
1300          try {
1301 <            one.execute(newRunnable());
1301 >            p.execute(null);
1302 >            shouldThrow();
1303 >        } catch (NullPointerException success) {}
1304 >
1305 >        joinPool(p);
1306 >    }
1307 >
1308 >    /**
1309 >     * setCorePoolSize of negative value throws IllegalArgumentException
1310 >     */
1311 >    public void testCorePoolSizeIllegalArgumentException() {
1312 >        ThreadPoolExecutor p =
1313 >            new ThreadPoolExecutor(1, 2,
1314 >                                   LONG_DELAY_MS, MILLISECONDS,
1315 >                                   new ArrayBlockingQueue<Runnable>(10));
1316 >        try {
1317 >            p.setCorePoolSize(-1);
1318 >            shouldThrow();
1319 >        } catch (IllegalArgumentException success) {
1320          } finally {
1321 <            one.shutdown();
1321 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1322          }
1323 <        boolean flag = false;
213 <        try{
214 <            flag = one.awaitTermination(10, TimeUnit.SECONDS);
215 <        } catch(Exception e){}  
216 <        assertTrue(one.isTerminated());
217 <        if(!flag)
218 <            fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
1323 >        joinPool(p);
1324      }
1325  
1326      /**
1327 <     *  Test to verify that purge correctly removes cancelled tasks
1328 <     *  from the queue
1327 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1328 >     * given a value less the core pool size
1329       */
1330 <    public void testPurge(){
1331 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1330 >    public void testMaximumPoolSizeIllegalArgumentException() {
1331 >        ThreadPoolExecutor p =
1332 >            new ThreadPoolExecutor(2, 3,
1333 >                                   LONG_DELAY_MS, MILLISECONDS,
1334 >                                   new ArrayBlockingQueue<Runnable>(10));
1335          try {
1336 <            CancellableTask[] tasks = new CancellableTask[5];
1337 <            for(int i = 0; i < 5; i++){
1338 <                tasks[i] = new CancellableTask(newRunnable());
231 <                one.execute(tasks[i]);
232 <            }
233 <            tasks[4].cancel(true);
234 <            tasks[3].cancel(true);
235 <            one.purge();
236 <            long count = one.getTaskCount();
237 <            assertTrue(count >= 2 && count < 5);
1336 >            p.setMaximumPoolSize(1);
1337 >            shouldThrow();
1338 >        } catch (IllegalArgumentException success) {
1339          } finally {
1340 <            one.shutdown();
1340 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1341          }
1342 +        joinPool(p);
1343      }
1344  
1345      /**
1346 <     *  Test to verify shutDownNow returns a list
1347 <     *  containing the correct number of elements
1346 >     * setMaximumPoolSize throws IllegalArgumentException
1347 >     * if given a negative value
1348       */
1349 <    public void testShutDownNow(){
1350 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1351 <        List l;
1349 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1350 >        ThreadPoolExecutor p =
1351 >            new ThreadPoolExecutor(2, 3,
1352 >                                   LONG_DELAY_MS, MILLISECONDS,
1353 >                                   new ArrayBlockingQueue<Runnable>(10));
1354          try {
1355 <            for(int i = 0; i < 5; i++)
1356 <                one.execute(newRunnable());
1355 >            p.setMaximumPoolSize(-1);
1356 >            shouldThrow();
1357 >        } catch (IllegalArgumentException success) {
1358 >        } finally {
1359 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1360          }
1361 <        finally {
1362 <            l = one.shutdownNow();
1361 >        joinPool(p);
1362 >    }
1363 >
1364 >    /**
1365 >     * Configuration changes that allow core pool size greater than
1366 >     * max pool size result in IllegalArgumentException.
1367 >     */
1368 >    public void testPoolSizeInvariants() {
1369 >        ThreadPoolExecutor p =
1370 >            new ThreadPoolExecutor(1, 1,
1371 >                                   LONG_DELAY_MS, MILLISECONDS,
1372 >                                   new ArrayBlockingQueue<Runnable>(10));
1373 >        for (int s = 1; s < 5; s++) {
1374 >            p.setMaximumPoolSize(s);
1375 >            p.setCorePoolSize(s);
1376 >            try {
1377 >                p.setMaximumPoolSize(s - 1);
1378 >                shouldThrow();
1379 >            } catch (IllegalArgumentException success) {}
1380 >            assertEquals(s, p.getCorePoolSize());
1381 >            assertEquals(s, p.getMaximumPoolSize());
1382 >            try {
1383 >                p.setCorePoolSize(s + 1);
1384 >                shouldThrow();
1385 >            } catch (IllegalArgumentException success) {}
1386 >            assertEquals(s, p.getCorePoolSize());
1387 >            assertEquals(s, p.getMaximumPoolSize());
1388          }
1389 <        assertTrue(one.isShutdown());
258 <        assertTrue(l.size() <= 4);
1389 >        joinPool(p);
1390      }
1391  
1392 <    
1393 <
1394 <    
1395 <    
1396 <      
1397 <    // Exception Tests
1398 <    
1392 >    /**
1393 >     * setKeepAliveTime throws IllegalArgumentException
1394 >     * when given a negative value
1395 >     */
1396 >    public void testKeepAliveTimeIllegalArgumentException() {
1397 >        ThreadPoolExecutor p =
1398 >            new ThreadPoolExecutor(2, 3,
1399 >                                   LONG_DELAY_MS, MILLISECONDS,
1400 >                                   new ArrayBlockingQueue<Runnable>(10));
1401 >        try {
1402 >            p.setKeepAliveTime(-1,MILLISECONDS);
1403 >            shouldThrow();
1404 >        } catch (IllegalArgumentException success) {
1405 >        } finally {
1406 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1407 >        }
1408 >        joinPool(p);
1409 >    }
1410  
1411 <    //---- Tests if corePoolSize argument is less than zero
1412 <    public void testConstructor1() {
1413 <        try{
1414 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1415 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1411 >    /**
1412 >     * terminated() is called on termination
1413 >     */
1414 >    public void testTerminated() {
1415 >        ExtendedTPE p = new ExtendedTPE();
1416 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1417 >        assertTrue(p.terminatedCalled());
1418 >        joinPool(p);
1419 >    }
1420 >
1421 >    /**
1422 >     * beforeExecute and afterExecute are called when executing task
1423 >     */
1424 >    public void testBeforeAfter() throws InterruptedException {
1425 >        ExtendedTPE p = new ExtendedTPE();
1426 >        try {
1427 >            final CountDownLatch done = new CountDownLatch(1);
1428 >            p.execute(new CheckedRunnable() {
1429 >                public void realRun() {
1430 >                    done.countDown();
1431 >                }});
1432 >            await(p.afterCalled);
1433 >            assertEquals(0, done.getCount());
1434 >            assertTrue(p.afterCalled());
1435 >            assertTrue(p.beforeCalled());
1436 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1437 >        } finally {
1438 >            joinPool(p);
1439          }
275        catch (IllegalArgumentException i){}
1440      }
1441 <    
1442 <    //---- Tests if maximumPoolSize is less than zero
1443 <    public void testConstructor2() {
1444 <        try{
1445 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1446 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1441 >
1442 >    /**
1443 >     * completed submit of callable returns result
1444 >     */
1445 >    public void testSubmitCallable() throws Exception {
1446 >        ExecutorService e =
1447 >            new ThreadPoolExecutor(2, 2,
1448 >                                   LONG_DELAY_MS, MILLISECONDS,
1449 >                                   new ArrayBlockingQueue<Runnable>(10));
1450 >        try {
1451 >            Future<String> future = e.submit(new StringTask());
1452 >            String result = future.get();
1453 >            assertSame(TEST_STRING, result);
1454 >        } finally {
1455 >            joinPool(e);
1456          }
284        catch (IllegalArgumentException i2){}
1457      }
1458 <    
1459 <    //---- Tests if maximumPoolSize is equal to zero
1460 <    public void testConstructor3() {
1461 <        try{
1462 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1463 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1458 >
1459 >    /**
1460 >     * completed submit of runnable returns successfully
1461 >     */
1462 >    public void testSubmitRunnable() throws Exception {
1463 >        ExecutorService e =
1464 >            new ThreadPoolExecutor(2, 2,
1465 >                                   LONG_DELAY_MS, MILLISECONDS,
1466 >                                   new ArrayBlockingQueue<Runnable>(10));
1467 >        try {
1468 >            Future<?> future = e.submit(new NoOpRunnable());
1469 >            future.get();
1470 >            assertTrue(future.isDone());
1471 >        } finally {
1472 >            joinPool(e);
1473          }
293        catch (IllegalArgumentException i3){}
1474      }
1475  
1476 <    //---- Tests if keepAliveTime is less than zero
1477 <    public void testConstructor4() {
1478 <        try{
1479 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1480 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1476 >    /**
1477 >     * completed submit of (runnable, result) returns result
1478 >     */
1479 >    public void testSubmitRunnable2() throws Exception {
1480 >        ExecutorService e =
1481 >            new ThreadPoolExecutor(2, 2,
1482 >                                   LONG_DELAY_MS, MILLISECONDS,
1483 >                                   new ArrayBlockingQueue<Runnable>(10));
1484 >        try {
1485 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1486 >            String result = future.get();
1487 >            assertSame(TEST_STRING, result);
1488 >        } finally {
1489 >            joinPool(e);
1490          }
302        catch (IllegalArgumentException i4){}
1491      }
1492  
1493 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1494 <    public void testConstructor5() {
1495 <        try{
1496 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1497 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1493 >    /**
1494 >     * invokeAny(null) throws NPE
1495 >     */
1496 >    public void testInvokeAny1() throws Exception {
1497 >        ExecutorService e =
1498 >            new ThreadPoolExecutor(2, 2,
1499 >                                   LONG_DELAY_MS, MILLISECONDS,
1500 >                                   new ArrayBlockingQueue<Runnable>(10));
1501 >        try {
1502 >            e.invokeAny(null);
1503 >            shouldThrow();
1504 >        } catch (NullPointerException success) {
1505 >        } finally {
1506 >            joinPool(e);
1507          }
311        catch (IllegalArgumentException i5){}
1508      }
1509 <        
1510 <    //---- Tests if workQueue is set to null
1511 <    public void testNullPointerException() {
1512 <        try{
1513 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
1514 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1509 >
1510 >    /**
1511 >     * invokeAny(empty collection) throws IAE
1512 >     */
1513 >    public void testInvokeAny2() throws Exception {
1514 >        ExecutorService e =
1515 >            new ThreadPoolExecutor(2, 2,
1516 >                                   LONG_DELAY_MS, MILLISECONDS,
1517 >                                   new ArrayBlockingQueue<Runnable>(10));
1518 >        try {
1519 >            e.invokeAny(new ArrayList<Callable<String>>());
1520 >            shouldThrow();
1521 >        } catch (IllegalArgumentException success) {
1522 >        } finally {
1523 >            joinPool(e);
1524          }
320        catch (NullPointerException n){}  
1525      }
322    
1526  
1527 <    
1528 <    //---- Tests if corePoolSize argument is less than zero
1529 <    public void testConstructor6() {
1530 <        try{
1531 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1532 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1533 <        } catch (IllegalArgumentException i6){}
1527 >    /**
1528 >     * invokeAny(c) throws NPE if c has null elements
1529 >     */
1530 >    public void testInvokeAny3() throws Exception {
1531 >        final CountDownLatch latch = new CountDownLatch(1);
1532 >        final ExecutorService e =
1533 >            new ThreadPoolExecutor(2, 2,
1534 >                                   LONG_DELAY_MS, MILLISECONDS,
1535 >                                   new ArrayBlockingQueue<Runnable>(10));
1536 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1537 >        l.add(latchAwaitingStringTask(latch));
1538 >        l.add(null);
1539 >        try {
1540 >            e.invokeAny(l);
1541 >            shouldThrow();
1542 >        } catch (NullPointerException success) {
1543 >        } finally {
1544 >            latch.countDown();
1545 >            joinPool(e);
1546 >        }
1547      }
1548 <    
1549 <    //---- Tests if maximumPoolSize is less than zero
1550 <    public void testConstructor7() {
1551 <        try{
1552 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1553 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1548 >
1549 >    /**
1550 >     * invokeAny(c) throws ExecutionException if no task completes
1551 >     */
1552 >    public void testInvokeAny4() throws Exception {
1553 >        ExecutorService e =
1554 >            new ThreadPoolExecutor(2, 2,
1555 >                                   LONG_DELAY_MS, MILLISECONDS,
1556 >                                   new ArrayBlockingQueue<Runnable>(10));
1557 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1558 >        l.add(new NPETask());
1559 >        try {
1560 >            e.invokeAny(l);
1561 >            shouldThrow();
1562 >        } catch (ExecutionException success) {
1563 >            assertTrue(success.getCause() instanceof NullPointerException);
1564 >        } finally {
1565 >            joinPool(e);
1566          }
339        catch (IllegalArgumentException i7){}
1567      }
1568  
1569 <    //---- Tests if maximumPoolSize is equal to zero
1570 <    public void testConstructor8() {
1571 <        try{
1572 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1573 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1569 >    /**
1570 >     * invokeAny(c) returns result of some task
1571 >     */
1572 >    public void testInvokeAny5() throws Exception {
1573 >        ExecutorService e =
1574 >            new ThreadPoolExecutor(2, 2,
1575 >                                   LONG_DELAY_MS, MILLISECONDS,
1576 >                                   new ArrayBlockingQueue<Runnable>(10));
1577 >        try {
1578 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1579 >            l.add(new StringTask());
1580 >            l.add(new StringTask());
1581 >            String result = e.invokeAny(l);
1582 >            assertSame(TEST_STRING, result);
1583 >        } finally {
1584 >            joinPool(e);
1585          }
348        catch (IllegalArgumentException i8){}
1586      }
1587  
1588 <    //---- Tests if keepAliveTime is less than zero
1589 <    public void testConstructor9() {
1590 <        try{
1591 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1592 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1588 >    /**
1589 >     * invokeAll(null) throws NPE
1590 >     */
1591 >    public void testInvokeAll1() throws Exception {
1592 >        ExecutorService e =
1593 >            new ThreadPoolExecutor(2, 2,
1594 >                                   LONG_DELAY_MS, MILLISECONDS,
1595 >                                   new ArrayBlockingQueue<Runnable>(10));
1596 >        try {
1597 >            e.invokeAll(null);
1598 >            shouldThrow();
1599 >        } catch (NullPointerException success) {
1600 >        } finally {
1601 >            joinPool(e);
1602          }
357        catch (IllegalArgumentException i9){}
1603      }
1604  
1605 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1606 <    public void testConstructor10() {
1607 <        try{
1608 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1609 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1605 >    /**
1606 >     * invokeAll(empty collection) returns empty collection
1607 >     */
1608 >    public void testInvokeAll2() throws InterruptedException {
1609 >        ExecutorService e =
1610 >            new ThreadPoolExecutor(2, 2,
1611 >                                   LONG_DELAY_MS, MILLISECONDS,
1612 >                                   new ArrayBlockingQueue<Runnable>(10));
1613 >        try {
1614 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1615 >            assertTrue(r.isEmpty());
1616 >        } finally {
1617 >            joinPool(e);
1618          }
366        catch (IllegalArgumentException i10){}
1619      }
1620  
1621 <    //---- Tests if workQueue is set to null
1622 <    public void testNullPointerException2() {
1623 <        try{
1624 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1625 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1621 >    /**
1622 >     * invokeAll(c) throws NPE if c has null elements
1623 >     */
1624 >    public void testInvokeAll3() throws Exception {
1625 >        ExecutorService e =
1626 >            new ThreadPoolExecutor(2, 2,
1627 >                                   LONG_DELAY_MS, MILLISECONDS,
1628 >                                   new ArrayBlockingQueue<Runnable>(10));
1629 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1630 >        l.add(new StringTask());
1631 >        l.add(null);
1632 >        try {
1633 >            e.invokeAll(l);
1634 >            shouldThrow();
1635 >        } catch (NullPointerException success) {
1636 >        } finally {
1637 >            joinPool(e);
1638          }
375        catch (NullPointerException n2){}  
1639      }
1640  
1641 <    //---- Tests if threadFactory is set to null
1642 <    public void testNullPointerException3() {
1643 <        try{
1644 <            ThreadFactory f = null;
1645 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1646 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1641 >    /**
1642 >     * get of element of invokeAll(c) throws exception on failed task
1643 >     */
1644 >    public void testInvokeAll4() throws Exception {
1645 >        ExecutorService e =
1646 >            new ThreadPoolExecutor(2, 2,
1647 >                                   LONG_DELAY_MS, MILLISECONDS,
1648 >                                   new ArrayBlockingQueue<Runnable>(10));
1649 >        try {
1650 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1651 >            l.add(new NPETask());
1652 >            List<Future<String>> futures = e.invokeAll(l);
1653 >            assertEquals(1, futures.size());
1654 >            try {
1655 >                futures.get(0).get();
1656 >                shouldThrow();
1657 >            } catch (ExecutionException success) {
1658 >                assertTrue(success.getCause() instanceof NullPointerException);
1659 >            }
1660 >        } finally {
1661 >            joinPool(e);
1662          }
385        catch (NullPointerException n3){}  
1663      }
1664 <
1665 <    
1666 <    //---- Tests if corePoolSize argument is less than zero
1667 <    public void testConstructor11() {
1668 <        try{
1669 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1670 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1664 >
1665 >    /**
1666 >     * invokeAll(c) returns results of all completed tasks
1667 >     */
1668 >    public void testInvokeAll5() throws Exception {
1669 >        ExecutorService e =
1670 >            new ThreadPoolExecutor(2, 2,
1671 >                                   LONG_DELAY_MS, MILLISECONDS,
1672 >                                   new ArrayBlockingQueue<Runnable>(10));
1673 >        try {
1674 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1675 >            l.add(new StringTask());
1676 >            l.add(new StringTask());
1677 >            List<Future<String>> futures = e.invokeAll(l);
1678 >            assertEquals(2, futures.size());
1679 >            for (Future<String> future : futures)
1680 >                assertSame(TEST_STRING, future.get());
1681 >        } finally {
1682 >            joinPool(e);
1683          }
395        catch (IllegalArgumentException i11){}
1684      }
1685  
1686 <    //---- Tests if maximumPoolSize is less than zero
1687 <    public void testConstructor12() {
1688 <        try{
1689 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1690 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1686 >    /**
1687 >     * timed invokeAny(null) throws NPE
1688 >     */
1689 >    public void testTimedInvokeAny1() throws Exception {
1690 >        ExecutorService e =
1691 >            new ThreadPoolExecutor(2, 2,
1692 >                                   LONG_DELAY_MS, MILLISECONDS,
1693 >                                   new ArrayBlockingQueue<Runnable>(10));
1694 >        try {
1695 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1696 >            shouldThrow();
1697 >        } catch (NullPointerException success) {
1698 >        } finally {
1699 >            joinPool(e);
1700          }
404        catch (IllegalArgumentException i12){}
1701      }
1702  
1703 <    //---- Tests if maximumPoolSize is equal to zero
1704 <    public void testConstructor13() {
1705 <        try{
1706 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1707 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1703 >    /**
1704 >     * timed invokeAny(,,null) throws NPE
1705 >     */
1706 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1707 >        ExecutorService e =
1708 >            new ThreadPoolExecutor(2, 2,
1709 >                                   LONG_DELAY_MS, MILLISECONDS,
1710 >                                   new ArrayBlockingQueue<Runnable>(10));
1711 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1712 >        l.add(new StringTask());
1713 >        try {
1714 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1715 >            shouldThrow();
1716 >        } catch (NullPointerException success) {
1717 >        } finally {
1718 >            joinPool(e);
1719          }
413        catch (IllegalArgumentException i13){}
1720      }
1721  
1722 <    //---- Tests if keepAliveTime is less than zero
1723 <    public void testConstructor14() {
1724 <        try{
1725 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1726 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1722 >    /**
1723 >     * timed invokeAny(empty collection) throws IAE
1724 >     */
1725 >    public void testTimedInvokeAny2() throws Exception {
1726 >        ExecutorService e =
1727 >            new ThreadPoolExecutor(2, 2,
1728 >                                   LONG_DELAY_MS, MILLISECONDS,
1729 >                                   new ArrayBlockingQueue<Runnable>(10));
1730 >        try {
1731 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1732 >            shouldThrow();
1733 >        } catch (IllegalArgumentException success) {
1734 >        } finally {
1735 >            joinPool(e);
1736          }
422        catch (IllegalArgumentException i14){}
1737      }
1738  
1739 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1740 <    public void testConstructor15() {
1741 <        try{
1742 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1743 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1739 >    /**
1740 >     * timed invokeAny(c) throws NPE if c has null elements
1741 >     */
1742 >    public void testTimedInvokeAny3() throws Exception {
1743 >        final CountDownLatch latch = new CountDownLatch(1);
1744 >        final ExecutorService e =
1745 >            new ThreadPoolExecutor(2, 2,
1746 >                                   LONG_DELAY_MS, MILLISECONDS,
1747 >                                   new ArrayBlockingQueue<Runnable>(10));
1748 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1749 >        l.add(latchAwaitingStringTask(latch));
1750 >        l.add(null);
1751 >        try {
1752 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1753 >            shouldThrow();
1754 >        } catch (NullPointerException success) {
1755 >        } finally {
1756 >            latch.countDown();
1757 >            joinPool(e);
1758          }
431        catch (IllegalArgumentException i15){}
1759      }
1760  
1761 <    //---- Tests if workQueue is set to null
1762 <    public void testNullPointerException4() {
1763 <        try{
1764 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1765 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1761 >    /**
1762 >     * timed invokeAny(c) throws ExecutionException if no task completes
1763 >     */
1764 >    public void testTimedInvokeAny4() throws Exception {
1765 >        ExecutorService e =
1766 >            new ThreadPoolExecutor(2, 2,
1767 >                                   LONG_DELAY_MS, MILLISECONDS,
1768 >                                   new ArrayBlockingQueue<Runnable>(10));
1769 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1770 >        l.add(new NPETask());
1771 >        try {
1772 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1773 >            shouldThrow();
1774 >        } catch (ExecutionException success) {
1775 >            assertTrue(success.getCause() instanceof NullPointerException);
1776 >        } finally {
1777 >            joinPool(e);
1778          }
440        catch (NullPointerException n4){}  
1779      }
1780  
1781 <    //---- Tests if handler is set to null
1782 <    public void testNullPointerException5() {
1783 <        try{
1784 <            RejectedExecutionHandler r = null;
1785 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1786 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1781 >    /**
1782 >     * timed invokeAny(c) returns result of some task
1783 >     */
1784 >    public void testTimedInvokeAny5() throws Exception {
1785 >        ExecutorService e =
1786 >            new ThreadPoolExecutor(2, 2,
1787 >                                   LONG_DELAY_MS, MILLISECONDS,
1788 >                                   new ArrayBlockingQueue<Runnable>(10));
1789 >        try {
1790 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1791 >            l.add(new StringTask());
1792 >            l.add(new StringTask());
1793 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1794 >            assertSame(TEST_STRING, result);
1795 >        } finally {
1796 >            joinPool(e);
1797          }
450        catch (NullPointerException n5){}  
1798      }
1799  
1800 <    
1801 <    //---- Tests if corePoolSize argument is less than zero
1802 <    public void testConstructor16() {
1803 <        try{
1804 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1805 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1800 >    /**
1801 >     * timed invokeAll(null) throws NPE
1802 >     */
1803 >    public void testTimedInvokeAll1() throws Exception {
1804 >        ExecutorService e =
1805 >            new ThreadPoolExecutor(2, 2,
1806 >                                   LONG_DELAY_MS, MILLISECONDS,
1807 >                                   new ArrayBlockingQueue<Runnable>(10));
1808 >        try {
1809 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1810 >            shouldThrow();
1811 >        } catch (NullPointerException success) {
1812 >        } finally {
1813 >            joinPool(e);
1814          }
460        catch (IllegalArgumentException i16){}
1815      }
1816  
1817 <    //---- Tests if maximumPoolSize is less than zero
1818 <    public void testConstructor17() {
1819 <        try{
1820 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1821 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1817 >    /**
1818 >     * timed invokeAll(,,null) throws NPE
1819 >     */
1820 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1821 >        ExecutorService e =
1822 >            new ThreadPoolExecutor(2, 2,
1823 >                                   LONG_DELAY_MS, MILLISECONDS,
1824 >                                   new ArrayBlockingQueue<Runnable>(10));
1825 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1826 >        l.add(new StringTask());
1827 >        try {
1828 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1829 >            shouldThrow();
1830 >        } catch (NullPointerException success) {
1831 >        } finally {
1832 >            joinPool(e);
1833          }
469        catch (IllegalArgumentException i17){}
1834      }
1835  
1836 <    //---- Tests if maximumPoolSize is equal to zero
1837 <    public void testConstructor18() {
1838 <        try{
1839 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1840 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1836 >    /**
1837 >     * timed invokeAll(empty collection) returns empty collection
1838 >     */
1839 >    public void testTimedInvokeAll2() throws InterruptedException {
1840 >        ExecutorService e =
1841 >            new ThreadPoolExecutor(2, 2,
1842 >                                   LONG_DELAY_MS, MILLISECONDS,
1843 >                                   new ArrayBlockingQueue<Runnable>(10));
1844 >        try {
1845 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1846 >            assertTrue(r.isEmpty());
1847 >        } finally {
1848 >            joinPool(e);
1849          }
478        catch (IllegalArgumentException i18){}
1850      }
1851  
1852 <    //---- Tests if keepAliveTime is less than zero
1853 <    public void testConstructor19() {
1854 <        try{
1855 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1856 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1852 >    /**
1853 >     * timed invokeAll(c) throws NPE if c has null elements
1854 >     */
1855 >    public void testTimedInvokeAll3() throws Exception {
1856 >        ExecutorService e =
1857 >            new ThreadPoolExecutor(2, 2,
1858 >                                   LONG_DELAY_MS, MILLISECONDS,
1859 >                                   new ArrayBlockingQueue<Runnable>(10));
1860 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1861 >        l.add(new StringTask());
1862 >        l.add(null);
1863 >        try {
1864 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1865 >            shouldThrow();
1866 >        } catch (NullPointerException success) {
1867 >        } finally {
1868 >            joinPool(e);
1869          }
487        catch (IllegalArgumentException i19){}
1870      }
1871  
1872 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1873 <    public void testConstructor20() {
1874 <        try{
1875 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1876 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1872 >    /**
1873 >     * get of element of invokeAll(c) throws exception on failed task
1874 >     */
1875 >    public void testTimedInvokeAll4() throws Exception {
1876 >        ExecutorService e =
1877 >            new ThreadPoolExecutor(2, 2,
1878 >                                   LONG_DELAY_MS, MILLISECONDS,
1879 >                                   new ArrayBlockingQueue<Runnable>(10));
1880 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1881 >        l.add(new NPETask());
1882 >        List<Future<String>> futures =
1883 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1884 >        assertEquals(1, futures.size());
1885 >        try {
1886 >            futures.get(0).get();
1887 >            shouldThrow();
1888 >        } catch (ExecutionException success) {
1889 >            assertTrue(success.getCause() instanceof NullPointerException);
1890 >        } finally {
1891 >            joinPool(e);
1892          }
496        catch (IllegalArgumentException i20){}
1893      }
1894  
1895 <    //---- Tests if workQueue is set to null
1896 <    public void testNullPointerException6() {
1897 <        try{
1898 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
1899 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1895 >    /**
1896 >     * timed invokeAll(c) returns results of all completed tasks
1897 >     */
1898 >    public void testTimedInvokeAll5() throws Exception {
1899 >        ExecutorService e =
1900 >            new ThreadPoolExecutor(2, 2,
1901 >                                   LONG_DELAY_MS, MILLISECONDS,
1902 >                                   new ArrayBlockingQueue<Runnable>(10));
1903 >        try {
1904 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1905 >            l.add(new StringTask());
1906 >            l.add(new StringTask());
1907 >            List<Future<String>> futures =
1908 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1909 >            assertEquals(2, futures.size());
1910 >            for (Future<String> future : futures)
1911 >                assertSame(TEST_STRING, future.get());
1912 >        } finally {
1913 >            joinPool(e);
1914          }
505        catch (NullPointerException n6){}  
1915      }
1916  
1917 <    //---- Tests if handler is set to null
1918 <    public void testNullPointerException7() {
1919 <        try{
1920 <            RejectedExecutionHandler r = null;
1921 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
1922 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1917 >    /**
1918 >     * timed invokeAll(c) cancels tasks not completed by timeout
1919 >     */
1920 >    public void testTimedInvokeAll6() throws Exception {
1921 >        ExecutorService e =
1922 >            new ThreadPoolExecutor(2, 2,
1923 >                                   LONG_DELAY_MS, MILLISECONDS,
1924 >                                   new ArrayBlockingQueue<Runnable>(10));
1925 >        try {
1926 >            for (long timeout = timeoutMillis();;) {
1927 >                List<Callable<String>> tasks = new ArrayList<>();
1928 >                tasks.add(new StringTask("0"));
1929 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1930 >                tasks.add(new StringTask("2"));
1931 >                long startTime = System.nanoTime();
1932 >                List<Future<String>> futures =
1933 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1934 >                assertEquals(tasks.size(), futures.size());
1935 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1936 >                for (Future future : futures)
1937 >                    assertTrue(future.isDone());
1938 >                assertTrue(futures.get(1).isCancelled());
1939 >                try {
1940 >                    assertEquals("0", futures.get(0).get());
1941 >                    assertEquals("2", futures.get(2).get());
1942 >                    break;
1943 >                } catch (CancellationException retryWithLongerTimeout) {
1944 >                    timeout *= 2;
1945 >                    if (timeout >= LONG_DELAY_MS / 2)
1946 >                        fail("expected exactly one task to be cancelled");
1947 >                }
1948 >            }
1949 >        } finally {
1950 >            joinPool(e);
1951          }
515        catch (NullPointerException n7){}  
1952      }
1953  
1954 <    //---- Tests if ThradFactory is set top null
1955 <    public void testNullPointerException8() {
1956 <        try{
1957 <            ThreadFactory f = null;
1958 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
1959 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1954 >    /**
1955 >     * Execution continues if there is at least one thread even if
1956 >     * thread factory fails to create more
1957 >     */
1958 >    public void testFailingThreadFactory() throws InterruptedException {
1959 >        final ExecutorService e =
1960 >            new ThreadPoolExecutor(100, 100,
1961 >                                   LONG_DELAY_MS, MILLISECONDS,
1962 >                                   new LinkedBlockingQueue<Runnable>(),
1963 >                                   new FailingThreadFactory());
1964 >        try {
1965 >            final int TASKS = 100;
1966 >            final CountDownLatch done = new CountDownLatch(TASKS);
1967 >            for (int k = 0; k < TASKS; ++k)
1968 >                e.execute(new CheckedRunnable() {
1969 >                    public void realRun() {
1970 >                        done.countDown();
1971 >                    }});
1972 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1973 >        } finally {
1974 >            joinPool(e);
1975          }
525        catch (NullPointerException n8){}  
1976      }
527    
1977  
1978      /**
1979 <     *  Test to verify execute will throw RejectedExcutionException
531 <     *  ThreadPoolExecutor will throw one when more runnables are
532 <     *  executed then will fit in the Queue.
1979 >     * allowsCoreThreadTimeOut is by default false.
1980       */
1981 <    public void testRejectedExecutedException(){
1982 <        ThreadPoolExecutor tpe = null;
1983 <        try{
1984 <            tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1985 <        } catch(Exception e){}
1986 <        tpe.shutdown();
1987 <        try{
541 <            tpe.execute(new Runnable(){
542 <                    public void run(){
543 <                        try{
544 <                            Thread.sleep(1000);
545 <                        } catch(InterruptedException e){}
546 <                    }
547 <                });
548 <            fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
549 <        } catch(RejectedExecutionException success){}
550 <        
551 <        
1981 >    public void testAllowsCoreThreadTimeOut() {
1982 >        final ThreadPoolExecutor p =
1983 >            new ThreadPoolExecutor(2, 2,
1984 >                                   1000, MILLISECONDS,
1985 >                                   new ArrayBlockingQueue<Runnable>(10));
1986 >        assertFalse(p.allowsCoreThreadTimeOut());
1987 >        joinPool(p);
1988      }
1989 <    
1989 >
1990      /**
1991 <     *  Test to verify setCorePoolSize will throw IllegalArgumentException
556 <     *  when given a negative
1991 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1992       */
1993 <    public void testIllegalArgumentException1(){
1994 <        ThreadPoolExecutor tpe = null;
1995 <        try{
1996 <            tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1997 <        } catch(Exception e){}
1998 <        try{
1999 <            tpe.setCorePoolSize(-1);
2000 <            fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
2001 <        } catch(IllegalArgumentException success){
1993 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1994 >        long keepAliveTime = timeoutMillis();
1995 >        final ThreadPoolExecutor p =
1996 >            new ThreadPoolExecutor(2, 10,
1997 >                                   keepAliveTime, MILLISECONDS,
1998 >                                   new ArrayBlockingQueue<Runnable>(10));
1999 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2000 >        try {
2001 >            p.allowCoreThreadTimeOut(true);
2002 >            p.execute(new CheckedRunnable() {
2003 >                public void realRun() {
2004 >                    threadStarted.countDown();
2005 >                    assertEquals(1, p.getPoolSize());
2006 >                }});
2007 >            await(threadStarted);
2008 >            delay(keepAliveTime);
2009 >            long startTime = System.nanoTime();
2010 >            while (p.getPoolSize() > 0
2011 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
2012 >                Thread.yield();
2013 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2014 >            assertEquals(0, p.getPoolSize());
2015          } finally {
2016 <            tpe.shutdown();
2016 >            joinPool(p);
2017          }
2018 <    }  
2018 >    }
2019  
572    
2020      /**
2021 <     *  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
2022 <     *  if given a value less the it's actual core pool size
2023 <     */  
2024 <    public void testIllegalArgumentException2(){
2025 <        ThreadPoolExecutor tpe = null;
2026 <        try{
2027 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2028 <        } catch(Exception e){}
2029 <        try{
2030 <            tpe.setMaximumPoolSize(1);
2031 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2032 <        } catch(IllegalArgumentException success){
2021 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
2022 >     */
2023 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
2024 >        long keepAliveTime = timeoutMillis();
2025 >        final ThreadPoolExecutor p =
2026 >            new ThreadPoolExecutor(2, 10,
2027 >                                   keepAliveTime, MILLISECONDS,
2028 >                                   new ArrayBlockingQueue<Runnable>(10));
2029 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2030 >        try {
2031 >            p.allowCoreThreadTimeOut(false);
2032 >            p.execute(new CheckedRunnable() {
2033 >                public void realRun() throws InterruptedException {
2034 >                    threadStarted.countDown();
2035 >                    assertTrue(p.getPoolSize() >= 1);
2036 >                }});
2037 >            delay(2 * keepAliveTime);
2038 >            assertTrue(p.getPoolSize() >= 1);
2039          } finally {
2040 <            tpe.shutdown();
2040 >            joinPool(p);
2041          }
2042      }
2043 <    
2043 >
2044      /**
2045 <     *  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
2046 <     *  if given a negative number
2045 >     * execute allows the same task to be submitted multiple times, even
2046 >     * if rejected
2047       */
2048 <    public void testIllegalArgumentException2SP(){
2049 <        ThreadPoolExecutor tpe = null;
2050 <        try{
2051 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2052 <        } catch(Exception e){}
2053 <        try{
2054 <            tpe.setMaximumPoolSize(-1);
2055 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2056 <        } catch(IllegalArgumentException success){
2048 >    public void testRejectedRecycledTask() throws InterruptedException {
2049 >        final int nTasks = 1000;
2050 >        final CountDownLatch done = new CountDownLatch(nTasks);
2051 >        final Runnable recycledTask = new Runnable() {
2052 >            public void run() {
2053 >                done.countDown();
2054 >            }};
2055 >        final ThreadPoolExecutor p =
2056 >            new ThreadPoolExecutor(1, 30,
2057 >                                   60, SECONDS,
2058 >                                   new ArrayBlockingQueue(30));
2059 >        try {
2060 >            for (int i = 0; i < nTasks; ++i) {
2061 >                for (;;) {
2062 >                    try {
2063 >                        p.execute(recycledTask);
2064 >                        break;
2065 >                    }
2066 >                    catch (RejectedExecutionException ignore) {}
2067 >                }
2068 >            }
2069 >            // enough time to run all tasks
2070 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2071          } finally {
2072 <            tpe.shutdown();
2072 >            joinPool(p);
2073          }
2074      }
608    
2075  
2076      /**
2077 <     *  Test to verify setKeepAliveTime will throw IllegalArgumentException
612 <     *  when given a negative value
2077 >     * get(cancelled task) throws CancellationException
2078       */
2079 <    public void testIllegalArgumentException3(){
2080 <        ThreadPoolExecutor tpe = null;
2081 <        try{
2082 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2083 <        } catch(Exception e){}
2084 <        
2085 <        try{
2086 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
2087 <            fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
2088 <        } catch(IllegalArgumentException success){
2079 >    public void testGet_cancelled() throws Exception {
2080 >        final ExecutorService e =
2081 >            new ThreadPoolExecutor(1, 1,
2082 >                                   LONG_DELAY_MS, MILLISECONDS,
2083 >                                   new LinkedBlockingQueue<Runnable>());
2084 >        try {
2085 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2086 >            final CountDownLatch done = new CountDownLatch(1);
2087 >            final List<Future<?>> futures = new ArrayList<>();
2088 >            for (int i = 0; i < 2; i++) {
2089 >                Runnable r = new CheckedRunnable() { public void realRun()
2090 >                                                         throws Throwable {
2091 >                    blockerStarted.countDown();
2092 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2093 >                }};
2094 >                futures.add(e.submit(r));
2095 >            }
2096 >            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2097 >            for (Future<?> future : futures) future.cancel(false);
2098 >            for (Future<?> future : futures) {
2099 >                try {
2100 >                    future.get();
2101 >                    shouldThrow();
2102 >                } catch (CancellationException success) {}
2103 >                try {
2104 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2105 >                    shouldThrow();
2106 >                } catch (CancellationException success) {}
2107 >                assertTrue(future.isCancelled());
2108 >                assertTrue(future.isDone());
2109 >            }
2110 >            done.countDown();
2111          } finally {
2112 <            tpe.shutdown();
2112 >            joinPool(e);
2113          }
2114      }
2115 <  
629 <    
630 <  
2115 >
2116   }

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