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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:56 2003 UTC vs.
Revision 1.81 by jsr166, Sun Oct 4 02:24:49 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 >        try (PoolCleaner cleaner = cleaner(p)) {
406 >            final CountDownLatch threadStarted = new CountDownLatch(1);
407 >            final CountDownLatch done = new CountDownLatch(1);
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 >            done.countDown();
418 >        }
419 >    }
420 >
421 >    /**
422 >     * isShutdown is false before shutdown, true after
423 >     */
424 >    public void testIsShutdown() {
425 >        final ThreadPoolExecutor p =
426 >            new ThreadPoolExecutor(1, 1,
427 >                                   LONG_DELAY_MS, MILLISECONDS,
428 >                                   new ArrayBlockingQueue<Runnable>(10));
429 >        assertFalse(p.isShutdown());
430 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
431 >        assertTrue(p.isShutdown());
432 >        joinPool(p);
433 >    }
434 >
435 >    /**
436 >     * awaitTermination on a non-shutdown pool times out
437 >     */
438 >    public void testAwaitTermination_timesOut() throws InterruptedException {
439 >        final ThreadPoolExecutor p =
440 >            new ThreadPoolExecutor(1, 1,
441 >                                   LONG_DELAY_MS, MILLISECONDS,
442 >                                   new ArrayBlockingQueue<Runnable>(10));
443 >        assertFalse(p.isTerminated());
444 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
445 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
446 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
447 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
448 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
449 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
450 >        long timeoutNanos = 999999L;
451 >        long startTime = System.nanoTime();
452 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
453 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
454 >        assertFalse(p.isTerminated());
455 >        startTime = System.nanoTime();
456 >        long timeoutMillis = timeoutMillis();
457 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
458 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
459 >        assertFalse(p.isTerminated());
460 >        p.shutdown();
461 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
462 >        assertTrue(p.isTerminated());
463 >    }
464 >
465 >    /**
466 >     * isTerminated is false before termination, true after
467 >     */
468 >    public void testIsTerminated() throws InterruptedException {
469 >        final ThreadPoolExecutor p =
470 >            new ThreadPoolExecutor(1, 1,
471 >                                   LONG_DELAY_MS, MILLISECONDS,
472 >                                   new ArrayBlockingQueue<Runnable>(10));
473 >        final CountDownLatch threadStarted = new CountDownLatch(1);
474 >        final CountDownLatch done = new CountDownLatch(1);
475 >        assertFalse(p.isTerminated());
476          try {
477 <            one.execute(new Runnable(){
478 <                    public void run(){
479 <                        try{
480 <                            Thread.sleep(SHORT_DELAY_MS);
481 <                        }catch(InterruptedException e){
482 <                            fail("unexpected exception");
483 <                        }
484 <                    }
485 <                });
486 <            Thread.sleep(SHORT_DELAY_MS * 2);
487 <        }catch(InterruptedException e){
488 <            fail("unexpected exception");
477 >            p.execute(new CheckedRunnable() {
478 >                public void realRun() throws InterruptedException {
479 >                    assertFalse(p.isTerminated());
480 >                    threadStarted.countDown();
481 >                    done.await();
482 >                }});
483 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
484 >            assertFalse(p.isTerminating());
485 >            done.countDown();
486 >        } finally {
487 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
488 >        }
489 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
490 >        assertTrue(p.isTerminated());
491 >    }
492 >
493 >    /**
494 >     * isTerminating is not true when running or when terminated
495 >     */
496 >    public void testIsTerminating() throws InterruptedException {
497 >        final ThreadPoolExecutor p =
498 >            new ThreadPoolExecutor(1, 1,
499 >                                   LONG_DELAY_MS, MILLISECONDS,
500 >                                   new ArrayBlockingQueue<Runnable>(10));
501 >        final CountDownLatch threadStarted = new CountDownLatch(1);
502 >        final CountDownLatch done = new CountDownLatch(1);
503 >        try {
504 >            assertFalse(p.isTerminating());
505 >            p.execute(new CheckedRunnable() {
506 >                public void realRun() throws InterruptedException {
507 >                    assertFalse(p.isTerminating());
508 >                    threadStarted.countDown();
509 >                    done.await();
510 >                }});
511 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
512 >            assertFalse(p.isTerminating());
513 >            done.countDown();
514 >        } finally {
515 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
516 >        }
517 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
518 >        assertTrue(p.isTerminated());
519 >        assertFalse(p.isTerminating());
520 >    }
521 >
522 >    /**
523 >     * getQueue returns the work queue, which contains queued tasks
524 >     */
525 >    public void testGetQueue() throws InterruptedException {
526 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
527 >        final ThreadPoolExecutor p =
528 >            new ThreadPoolExecutor(1, 1,
529 >                                   LONG_DELAY_MS, MILLISECONDS,
530 >                                   q);
531 >        final CountDownLatch threadStarted = new CountDownLatch(1);
532 >        final CountDownLatch done = new CountDownLatch(1);
533 >        try {
534 >            FutureTask[] tasks = new FutureTask[5];
535 >            for (int i = 0; i < tasks.length; i++) {
536 >                Callable task = new CheckedCallable<Boolean>() {
537 >                    public Boolean realCall() throws InterruptedException {
538 >                        threadStarted.countDown();
539 >                        assertSame(q, p.getQueue());
540 >                        done.await();
541 >                        return Boolean.TRUE;
542 >                    }};
543 >                tasks[i] = new FutureTask(task);
544 >                p.execute(tasks[i]);
545 >            }
546 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
547 >            assertSame(q, p.getQueue());
548 >            assertFalse(q.contains(tasks[0]));
549 >            assertTrue(q.contains(tasks[tasks.length - 1]));
550 >            assertEquals(tasks.length - 1, q.size());
551          } finally {
552 <            one.shutdown();
552 >            done.countDown();
553 >            joinPool(p);
554          }
555      }
556  
557      /**
558 <     *  Test to verify getActiveCount gives correct values
558 >     * remove(task) removes queued task, and fails to remove active task
559 >     */
560 >    public void testRemove() throws InterruptedException {
561 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
562 >        final ThreadPoolExecutor p =
563 >            new ThreadPoolExecutor(1, 1,
564 >                                   LONG_DELAY_MS, MILLISECONDS,
565 >                                   q);
566 >        Runnable[] tasks = new Runnable[5];
567 >        final CountDownLatch threadStarted = new CountDownLatch(1);
568 >        final CountDownLatch done = new CountDownLatch(1);
569 >        try {
570 >            for (int i = 0; i < tasks.length; i++) {
571 >                tasks[i] = new CheckedRunnable() {
572 >                    public void realRun() throws InterruptedException {
573 >                        threadStarted.countDown();
574 >                        done.await();
575 >                    }};
576 >                p.execute(tasks[i]);
577 >            }
578 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
579 >            assertFalse(p.remove(tasks[0]));
580 >            assertTrue(q.contains(tasks[4]));
581 >            assertTrue(q.contains(tasks[3]));
582 >            assertTrue(p.remove(tasks[4]));
583 >            assertFalse(p.remove(tasks[4]));
584 >            assertFalse(q.contains(tasks[4]));
585 >            assertTrue(q.contains(tasks[3]));
586 >            assertTrue(p.remove(tasks[3]));
587 >            assertFalse(q.contains(tasks[3]));
588 >        } finally {
589 >            done.countDown();
590 >            joinPool(p);
591 >        }
592 >    }
593 >
594 >    /**
595 >     * purge removes cancelled tasks from the queue
596 >     */
597 >    public void testPurge() throws InterruptedException {
598 >        final CountDownLatch threadStarted = new CountDownLatch(1);
599 >        final CountDownLatch done = new CountDownLatch(1);
600 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
601 >        final ThreadPoolExecutor p =
602 >            new ThreadPoolExecutor(1, 1,
603 >                                   LONG_DELAY_MS, MILLISECONDS,
604 >                                   q);
605 >        FutureTask[] tasks = new FutureTask[5];
606 >        try {
607 >            for (int i = 0; i < tasks.length; i++) {
608 >                Callable task = new CheckedCallable<Boolean>() {
609 >                    public Boolean realCall() throws InterruptedException {
610 >                        threadStarted.countDown();
611 >                        done.await();
612 >                        return Boolean.TRUE;
613 >                    }};
614 >                tasks[i] = new FutureTask(task);
615 >                p.execute(tasks[i]);
616 >            }
617 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
618 >            assertEquals(tasks.length, p.getTaskCount());
619 >            assertEquals(tasks.length - 1, q.size());
620 >            assertEquals(1L, p.getActiveCount());
621 >            assertEquals(0L, p.getCompletedTaskCount());
622 >            tasks[4].cancel(true);
623 >            tasks[3].cancel(false);
624 >            p.purge();
625 >            assertEquals(tasks.length - 3, q.size());
626 >            assertEquals(tasks.length - 2, p.getTaskCount());
627 >            p.purge();         // Nothing to do
628 >            assertEquals(tasks.length - 3, q.size());
629 >            assertEquals(tasks.length - 2, p.getTaskCount());
630 >        } finally {
631 >            done.countDown();
632 >            joinPool(p);
633 >        }
634 >    }
635 >
636 >    /**
637 >     * shutdownNow returns a list containing tasks that were not run,
638 >     * and those tasks are drained from the queue
639 >     */
640 >    public void testShutdownNow() throws InterruptedException {
641 >        final int poolSize = 2;
642 >        final int count = 5;
643 >        final AtomicInteger ran = new AtomicInteger(0);
644 >        final ThreadPoolExecutor p =
645 >            new ThreadPoolExecutor(poolSize, poolSize,
646 >                                   LONG_DELAY_MS, MILLISECONDS,
647 >                                   new ArrayBlockingQueue<Runnable>(10));
648 >        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
649 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
650 >            threadsStarted.countDown();
651 >            try {
652 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
653 >            } catch (InterruptedException success) {}
654 >            ran.getAndIncrement();
655 >        }};
656 >        for (int i = 0; i < count; i++)
657 >            p.execute(waiter);
658 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
659 >        assertEquals(poolSize, p.getActiveCount());
660 >        assertEquals(0, p.getCompletedTaskCount());
661 >        final List<Runnable> queuedTasks;
662 >        try {
663 >            queuedTasks = p.shutdownNow();
664 >        } catch (SecurityException ok) {
665 >            return; // Allowed in case test doesn't have privs
666 >        }
667 >        assertTrue(p.isShutdown());
668 >        assertTrue(p.getQueue().isEmpty());
669 >        assertEquals(count - poolSize, queuedTasks.size());
670 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
671 >        assertTrue(p.isTerminated());
672 >        assertEquals(poolSize, ran.get());
673 >        assertEquals(poolSize, p.getCompletedTaskCount());
674 >    }
675 >
676 >    // Exception Tests
677 >
678 >    /**
679 >     * Constructor throws if corePoolSize argument is less than zero
680 >     */
681 >    public void testConstructor1() {
682 >        try {
683 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
684 >                                   new ArrayBlockingQueue<Runnable>(10));
685 >            shouldThrow();
686 >        } catch (IllegalArgumentException success) {}
687 >    }
688 >
689 >    /**
690 >     * Constructor throws if maximumPoolSize is less than zero
691 >     */
692 >    public void testConstructor2() {
693 >        try {
694 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
695 >                                   new ArrayBlockingQueue<Runnable>(10));
696 >            shouldThrow();
697 >        } catch (IllegalArgumentException success) {}
698 >    }
699 >
700 >    /**
701 >     * Constructor throws if maximumPoolSize is equal to zero
702 >     */
703 >    public void testConstructor3() {
704 >        try {
705 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
706 >                                   new ArrayBlockingQueue<Runnable>(10));
707 >            shouldThrow();
708 >        } catch (IllegalArgumentException success) {}
709 >    }
710 >
711 >    /**
712 >     * Constructor throws if keepAliveTime is less than zero
713 >     */
714 >    public void testConstructor4() {
715 >        try {
716 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
717 >                                   new ArrayBlockingQueue<Runnable>(10));
718 >            shouldThrow();
719 >        } catch (IllegalArgumentException success) {}
720 >    }
721 >
722 >    /**
723 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
724 >     */
725 >    public void testConstructor5() {
726 >        try {
727 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
728 >                                   new ArrayBlockingQueue<Runnable>(10));
729 >            shouldThrow();
730 >        } catch (IllegalArgumentException success) {}
731 >    }
732 >
733 >    /**
734 >     * Constructor throws if workQueue is set to null
735 >     */
736 >    public void testConstructorNullPointerException() {
737 >        try {
738 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
739 >                                   (BlockingQueue) null);
740 >            shouldThrow();
741 >        } catch (NullPointerException success) {}
742 >    }
743 >
744 >    /**
745 >     * Constructor throws if corePoolSize argument is less than zero
746 >     */
747 >    public void testConstructor6() {
748 >        try {
749 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
750 >                                   new ArrayBlockingQueue<Runnable>(10),
751 >                                   new SimpleThreadFactory());
752 >            shouldThrow();
753 >        } catch (IllegalArgumentException success) {}
754 >    }
755 >
756 >    /**
757 >     * Constructor throws if maximumPoolSize is less than zero
758 >     */
759 >    public void testConstructor7() {
760 >        try {
761 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
762 >                                   new ArrayBlockingQueue<Runnable>(10),
763 >                                   new SimpleThreadFactory());
764 >            shouldThrow();
765 >        } catch (IllegalArgumentException success) {}
766 >    }
767 >
768 >    /**
769 >     * Constructor throws if maximumPoolSize is equal to zero
770 >     */
771 >    public void testConstructor8() {
772 >        try {
773 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
774 >                                   new ArrayBlockingQueue<Runnable>(10),
775 >                                   new SimpleThreadFactory());
776 >            shouldThrow();
777 >        } catch (IllegalArgumentException success) {}
778 >    }
779 >
780 >    /**
781 >     * Constructor throws if keepAliveTime is less than zero
782 >     */
783 >    public void testConstructor9() {
784 >        try {
785 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
786 >                                   new ArrayBlockingQueue<Runnable>(10),
787 >                                   new SimpleThreadFactory());
788 >            shouldThrow();
789 >        } catch (IllegalArgumentException success) {}
790 >    }
791 >
792 >    /**
793 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
794 >     */
795 >    public void testConstructor10() {
796 >        try {
797 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
798 >                                   new ArrayBlockingQueue<Runnable>(10),
799 >                                   new SimpleThreadFactory());
800 >            shouldThrow();
801 >        } catch (IllegalArgumentException success) {}
802 >    }
803 >
804 >    /**
805 >     * Constructor throws if workQueue is set to null
806 >     */
807 >    public void testConstructorNullPointerException2() {
808 >        try {
809 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
810 >                                   (BlockingQueue) null,
811 >                                   new SimpleThreadFactory());
812 >            shouldThrow();
813 >        } catch (NullPointerException success) {}
814 >    }
815 >
816 >    /**
817 >     * Constructor throws if threadFactory is set to null
818 >     */
819 >    public void testConstructorNullPointerException3() {
820 >        try {
821 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
822 >                                   new ArrayBlockingQueue<Runnable>(10),
823 >                                   (ThreadFactory) null);
824 >            shouldThrow();
825 >        } catch (NullPointerException success) {}
826 >    }
827 >
828 >    /**
829 >     * Constructor throws if corePoolSize argument is less than zero
830 >     */
831 >    public void testConstructor11() {
832 >        try {
833 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
834 >                                   new ArrayBlockingQueue<Runnable>(10),
835 >                                   new NoOpREHandler());
836 >            shouldThrow();
837 >        } catch (IllegalArgumentException success) {}
838 >    }
839 >
840 >    /**
841 >     * Constructor throws if maximumPoolSize is less than zero
842 >     */
843 >    public void testConstructor12() {
844 >        try {
845 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
846 >                                   new ArrayBlockingQueue<Runnable>(10),
847 >                                   new NoOpREHandler());
848 >            shouldThrow();
849 >        } catch (IllegalArgumentException success) {}
850 >    }
851 >
852 >    /**
853 >     * Constructor throws if maximumPoolSize is equal to zero
854 >     */
855 >    public void testConstructor13() {
856 >        try {
857 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
858 >                                   new ArrayBlockingQueue<Runnable>(10),
859 >                                   new NoOpREHandler());
860 >            shouldThrow();
861 >        } catch (IllegalArgumentException success) {}
862 >    }
863 >
864 >    /**
865 >     * Constructor throws if keepAliveTime is less than zero
866 >     */
867 >    public void testConstructor14() {
868 >        try {
869 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
870 >                                   new ArrayBlockingQueue<Runnable>(10),
871 >                                   new NoOpREHandler());
872 >            shouldThrow();
873 >        } catch (IllegalArgumentException success) {}
874 >    }
875 >
876 >    /**
877 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
878 >     */
879 >    public void testConstructor15() {
880 >        try {
881 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
882 >                                   new ArrayBlockingQueue<Runnable>(10),
883 >                                   new NoOpREHandler());
884 >            shouldThrow();
885 >        } catch (IllegalArgumentException success) {}
886 >    }
887 >
888 >    /**
889 >     * Constructor throws if workQueue is set to null
890 >     */
891 >    public void testConstructorNullPointerException4() {
892 >        try {
893 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
894 >                                   (BlockingQueue) null,
895 >                                   new NoOpREHandler());
896 >            shouldThrow();
897 >        } catch (NullPointerException success) {}
898 >    }
899 >
900 >    /**
901 >     * Constructor throws if handler is set to null
902       */
903 <    public void testGetActiveCount(){
76 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
903 >    public void testConstructorNullPointerException5() {
904          try {
905 <            assertEquals(0, two.getActiveCount());
906 <            two.execute(newRunnable());
907 <            try{Thread.sleep(10);}catch(Exception e){}
908 <            assertEquals(1, two.getActiveCount());
905 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
906 >                                   new ArrayBlockingQueue<Runnable>(10),
907 >                                   (RejectedExecutionHandler) null);
908 >            shouldThrow();
909 >        } catch (NullPointerException success) {}
910 >    }
911 >
912 >    /**
913 >     * Constructor throws if corePoolSize argument is less than zero
914 >     */
915 >    public void testConstructor16() {
916 >        try {
917 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
918 >                                   new ArrayBlockingQueue<Runnable>(10),
919 >                                   new SimpleThreadFactory(),
920 >                                   new NoOpREHandler());
921 >            shouldThrow();
922 >        } catch (IllegalArgumentException success) {}
923 >    }
924 >
925 >    /**
926 >     * Constructor throws if maximumPoolSize is less than zero
927 >     */
928 >    public void testConstructor17() {
929 >        try {
930 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
931 >                                   new ArrayBlockingQueue<Runnable>(10),
932 >                                   new SimpleThreadFactory(),
933 >                                   new NoOpREHandler());
934 >            shouldThrow();
935 >        } catch (IllegalArgumentException success) {}
936 >    }
937 >
938 >    /**
939 >     * Constructor throws if maximumPoolSize is equal to zero
940 >     */
941 >    public void testConstructor18() {
942 >        try {
943 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
944 >                                   new ArrayBlockingQueue<Runnable>(10),
945 >                                   new SimpleThreadFactory(),
946 >                                   new NoOpREHandler());
947 >            shouldThrow();
948 >        } catch (IllegalArgumentException success) {}
949 >    }
950 >
951 >    /**
952 >     * Constructor throws if keepAliveTime is less than zero
953 >     */
954 >    public void testConstructor19() {
955 >        try {
956 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
957 >                                   new ArrayBlockingQueue<Runnable>(10),
958 >                                   new SimpleThreadFactory(),
959 >                                   new NoOpREHandler());
960 >            shouldThrow();
961 >        } catch (IllegalArgumentException success) {}
962 >    }
963 >
964 >    /**
965 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
966 >     */
967 >    public void testConstructor20() {
968 >        try {
969 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
970 >                                   new ArrayBlockingQueue<Runnable>(10),
971 >                                   new SimpleThreadFactory(),
972 >                                   new NoOpREHandler());
973 >            shouldThrow();
974 >        } catch (IllegalArgumentException success) {}
975 >    }
976 >
977 >    /**
978 >     * Constructor throws if workQueue is null
979 >     */
980 >    public void testConstructorNullPointerException6() {
981 >        try {
982 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
983 >                                   (BlockingQueue) null,
984 >                                   new SimpleThreadFactory(),
985 >                                   new NoOpREHandler());
986 >            shouldThrow();
987 >        } catch (NullPointerException success) {}
988 >    }
989 >
990 >    /**
991 >     * Constructor throws if handler is null
992 >     */
993 >    public void testConstructorNullPointerException7() {
994 >        try {
995 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
996 >                                   new ArrayBlockingQueue<Runnable>(10),
997 >                                   new SimpleThreadFactory(),
998 >                                   (RejectedExecutionHandler) null);
999 >            shouldThrow();
1000 >        } catch (NullPointerException success) {}
1001 >    }
1002 >
1003 >    /**
1004 >     * Constructor throws if ThreadFactory is null
1005 >     */
1006 >    public void testConstructorNullPointerException8() {
1007 >        try {
1008 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1009 >                                   new ArrayBlockingQueue<Runnable>(10),
1010 >                                   (ThreadFactory) null,
1011 >                                   new NoOpREHandler());
1012 >            shouldThrow();
1013 >        } catch (NullPointerException success) {}
1014 >    }
1015 >
1016 >    /**
1017 >     * get of submitted callable throws InterruptedException if interrupted
1018 >     */
1019 >    public void testInterruptedSubmit() throws InterruptedException {
1020 >        final ThreadPoolExecutor p =
1021 >            new ThreadPoolExecutor(1, 1,
1022 >                                   60, SECONDS,
1023 >                                   new ArrayBlockingQueue<Runnable>(10));
1024 >
1025 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1026 >        final CountDownLatch done = new CountDownLatch(1);
1027 >        try {
1028 >            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1029 >                public void realRun() throws Exception {
1030 >                    Callable task = new CheckedCallable<Boolean>() {
1031 >                        public Boolean realCall() throws InterruptedException {
1032 >                            threadStarted.countDown();
1033 >                            done.await();
1034 >                            return Boolean.TRUE;
1035 >                        }};
1036 >                    p.submit(task).get();
1037 >                }});
1038 >
1039 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1040 >            t.interrupt();
1041 >            awaitTermination(t, MEDIUM_DELAY_MS);
1042          } finally {
1043 <            two.shutdown();
1043 >            done.countDown();
1044 >            joinPool(p);
1045          }
1046      }
1047 <    
1047 >
1048      /**
1049 <     *  Test to verify getCompleteTaskCount gives correct values
1049 >     * execute throws RejectedExecutionException if saturated.
1050       */
1051 <    public void testGetCompletedTaskCount(){
1052 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1051 >    public void testSaturatedExecute() {
1052 >        ThreadPoolExecutor p =
1053 >            new ThreadPoolExecutor(1, 1,
1054 >                                   LONG_DELAY_MS, MILLISECONDS,
1055 >                                   new ArrayBlockingQueue<Runnable>(1));
1056 >        final CountDownLatch done = new CountDownLatch(1);
1057          try {
1058 <            assertEquals(0, two.getCompletedTaskCount());
1059 <            two.execute(newRunnable());
1060 <            try{Thread.sleep(2000);}catch(Exception e){}
1061 <            assertEquals(1, two.getCompletedTaskCount());
1058 >            Runnable task = new CheckedRunnable() {
1059 >                public void realRun() throws InterruptedException {
1060 >                    done.await();
1061 >                }};
1062 >            for (int i = 0; i < 2; ++i)
1063 >                p.execute(task);
1064 >            for (int i = 0; i < 2; ++i) {
1065 >                try {
1066 >                    p.execute(task);
1067 >                    shouldThrow();
1068 >                } catch (RejectedExecutionException success) {}
1069 >                assertTrue(p.getTaskCount() <= 2);
1070 >            }
1071          } finally {
1072 <            two.shutdown();
1072 >            done.countDown();
1073 >            joinPool(p);
1074          }
1075      }
1076 <    
1076 >
1077      /**
1078 <     *  Test to verify getCorePoolSize gives correct values
1078 >     * submit(runnable) throws RejectedExecutionException if saturated.
1079       */
1080 <    public void testGetCorePoolSize(){
1081 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1080 >    public void testSaturatedSubmitRunnable() {
1081 >        ThreadPoolExecutor p =
1082 >            new ThreadPoolExecutor(1, 1,
1083 >                                   LONG_DELAY_MS, MILLISECONDS,
1084 >                                   new ArrayBlockingQueue<Runnable>(1));
1085 >        final CountDownLatch done = new CountDownLatch(1);
1086          try {
1087 <            assertEquals(1, one.getCorePoolSize());
1087 >            Runnable task = new CheckedRunnable() {
1088 >                public void realRun() throws InterruptedException {
1089 >                    done.await();
1090 >                }};
1091 >            for (int i = 0; i < 2; ++i)
1092 >                p.submit(task);
1093 >            for (int i = 0; i < 2; ++i) {
1094 >                try {
1095 >                    p.execute(task);
1096 >                    shouldThrow();
1097 >                } catch (RejectedExecutionException success) {}
1098 >                assertTrue(p.getTaskCount() <= 2);
1099 >            }
1100          } finally {
1101 <            one.shutdown();
1101 >            done.countDown();
1102 >            joinPool(p);
1103          }
1104      }
1105 <    
1105 >
1106      /**
1107 <     *  Test to verify getKeepAliveTime gives correct values
1107 >     * submit(callable) throws RejectedExecutionException if saturated.
1108       */
1109 <    public void testGetKeepAliveTime(){
1110 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1109 >    public void testSaturatedSubmitCallable() {
1110 >        ThreadPoolExecutor p =
1111 >            new ThreadPoolExecutor(1, 1,
1112 >                                   LONG_DELAY_MS, MILLISECONDS,
1113 >                                   new ArrayBlockingQueue<Runnable>(1));
1114 >        final CountDownLatch done = new CountDownLatch(1);
1115          try {
1116 <            assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
1116 >            Runnable task = new CheckedRunnable() {
1117 >                public void realRun() throws InterruptedException {
1118 >                    done.await();
1119 >                }};
1120 >            for (int i = 0; i < 2; ++i)
1121 >                p.submit(Executors.callable(task));
1122 >            for (int i = 0; i < 2; ++i) {
1123 >                try {
1124 >                    p.execute(task);
1125 >                    shouldThrow();
1126 >                } catch (RejectedExecutionException success) {}
1127 >                assertTrue(p.getTaskCount() <= 2);
1128 >            }
1129          } finally {
1130 <            two.shutdown();
1130 >            done.countDown();
1131 >            joinPool(p);
1132          }
1133      }
1134 <    
1134 >
1135      /**
1136 <     *  Test to verify getLargestPoolSize gives correct values
1136 >     * executor using CallerRunsPolicy runs task if saturated.
1137       */
1138 <    public void testGetLargestPoolSize(){
1139 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1138 >    public void testSaturatedExecute2() {
1139 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1140 >        final ThreadPoolExecutor p =
1141 >            new ThreadPoolExecutor(1, 1,
1142 >                                   LONG_DELAY_MS,
1143 >                                   MILLISECONDS,
1144 >                                   new ArrayBlockingQueue<Runnable>(1),
1145 >                                   h);
1146          try {
1147 <            assertEquals(0, two.getLargestPoolSize());
1148 <            two.execute(newRunnable());
1149 <            two.execute(newRunnable());
1150 <            try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
1151 <            assertEquals(2, two.getLargestPoolSize());
1147 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1148 >            for (int i = 0; i < tasks.length; ++i)
1149 >                tasks[i] = new TrackedNoOpRunnable();
1150 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1151 >            p.execute(mr);
1152 >            for (int i = 0; i < tasks.length; ++i)
1153 >                p.execute(tasks[i]);
1154 >            for (int i = 1; i < tasks.length; ++i)
1155 >                assertTrue(tasks[i].done);
1156 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1157          } finally {
1158 <            two.shutdown();
1158 >            joinPool(p);
1159          }
1160      }
1161 <    
1161 >
1162      /**
1163 <     *  Test to verify getMaximumPoolSize gives correct values
1163 >     * executor using DiscardPolicy drops task if saturated.
1164       */
1165 <    public void testGetMaximumPoolSize(){
1166 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1165 >    public void testSaturatedExecute3() {
1166 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1167 >        final ThreadPoolExecutor p =
1168 >            new ThreadPoolExecutor(1, 1,
1169 >                                   LONG_DELAY_MS, MILLISECONDS,
1170 >                                   new ArrayBlockingQueue<Runnable>(1),
1171 >                                   h);
1172          try {
1173 <            assertEquals(2, two.getMaximumPoolSize());
1173 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1174 >            for (int i = 0; i < tasks.length; ++i)
1175 >                tasks[i] = new TrackedNoOpRunnable();
1176 >            p.execute(new TrackedLongRunnable());
1177 >            for (TrackedNoOpRunnable task : tasks)
1178 >                p.execute(task);
1179 >            for (TrackedNoOpRunnable task : tasks)
1180 >                assertFalse(task.done);
1181 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1182          } finally {
1183 <            two.shutdown();
1183 >            joinPool(p);
1184          }
1185      }
1186 <    
1186 >
1187      /**
1188 <     *  Test to verify getPoolSize gives correct values
1188 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1189       */
1190 <    public void testGetPoolSize(){
1191 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1192 <        try {
1193 <            assertEquals(0, one.getPoolSize());
1194 <            one.execute(newRunnable());
1195 <            assertEquals(1, one.getPoolSize());
1190 >    public void testSaturatedExecute4() {
1191 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1192 >        final ThreadPoolExecutor p =
1193 >            new ThreadPoolExecutor(1, 1,
1194 >                                   LONG_DELAY_MS, MILLISECONDS,
1195 >                                   new ArrayBlockingQueue<Runnable>(1),
1196 >                                   h);
1197 >        try {
1198 >            p.execute(new TrackedLongRunnable());
1199 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1200 >            p.execute(r2);
1201 >            assertTrue(p.getQueue().contains(r2));
1202 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1203 >            p.execute(r3);
1204 >            assertFalse(p.getQueue().contains(r2));
1205 >            assertTrue(p.getQueue().contains(r3));
1206 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1207          } finally {
1208 <            one.shutdown();
1208 >            joinPool(p);
1209          }
1210      }
1211 <    
1211 >
1212      /**
1213 <     *  Test to verify getTaskCount gives correct values
1213 >     * execute throws RejectedExecutionException if shutdown
1214       */
1215 <    public void testGetTaskCount(){
1216 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1215 >    public void testRejectedExecutionExceptionOnShutdown() {
1216 >        ThreadPoolExecutor p =
1217 >            new ThreadPoolExecutor(1, 1,
1218 >                                   LONG_DELAY_MS, MILLISECONDS,
1219 >                                   new ArrayBlockingQueue<Runnable>(1));
1220 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1221          try {
1222 <            assertEquals(0, one.getTaskCount());
1223 <            for(int i = 0; i < 5; i++)
1224 <                one.execute(newRunnable());
1225 <            try{Thread.sleep(SHORT_DELAY_MS);}catch(Exception e){}
1226 <            assertEquals(5, one.getTaskCount());
1222 >            p.execute(new NoOpRunnable());
1223 >            shouldThrow();
1224 >        } catch (RejectedExecutionException success) {}
1225 >
1226 >        joinPool(p);
1227 >    }
1228 >
1229 >    /**
1230 >     * execute using CallerRunsPolicy drops task on shutdown
1231 >     */
1232 >    public void testCallerRunsOnShutdown() {
1233 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1234 >        final ThreadPoolExecutor p =
1235 >            new ThreadPoolExecutor(1, 1,
1236 >                                   LONG_DELAY_MS, MILLISECONDS,
1237 >                                   new ArrayBlockingQueue<Runnable>(1), h);
1238 >
1239 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1240 >        try {
1241 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1242 >            p.execute(r);
1243 >            assertFalse(r.done);
1244          } finally {
1245 <            one.shutdown();
1245 >            joinPool(p);
1246          }
1247      }
1248 <    
1248 >
1249      /**
1250 <     *  Test to verify isShutDown gives correct values
1250 >     * execute using DiscardPolicy drops task on shutdown
1251       */
1252 <    public void testIsShutdown(){
1253 <        
1254 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1252 >    public void testDiscardOnShutdown() {
1253 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1254 >        ThreadPoolExecutor p =
1255 >            new ThreadPoolExecutor(1, 1,
1256 >                                   LONG_DELAY_MS, MILLISECONDS,
1257 >                                   new ArrayBlockingQueue<Runnable>(1),
1258 >                                   h);
1259 >
1260 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1261          try {
1262 <            assertFalse(one.isShutdown());
1262 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1263 >            p.execute(r);
1264 >            assertFalse(r.done);
1265 >        } finally {
1266 >            joinPool(p);
1267          }
1268 <        finally {
1269 <            one.shutdown();
1268 >    }
1269 >
1270 >    /**
1271 >     * execute using DiscardOldestPolicy drops task on shutdown
1272 >     */
1273 >    public void testDiscardOldestOnShutdown() {
1274 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1275 >        ThreadPoolExecutor p =
1276 >            new ThreadPoolExecutor(1, 1,
1277 >                                   LONG_DELAY_MS, MILLISECONDS,
1278 >                                   new ArrayBlockingQueue<Runnable>(1),
1279 >                                   h);
1280 >
1281 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1282 >        try {
1283 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1284 >            p.execute(r);
1285 >            assertFalse(r.done);
1286 >        } finally {
1287 >            joinPool(p);
1288          }
196        assertTrue(one.isShutdown());
1289      }
1290  
199        
1291      /**
1292 <     *  Test to verify isTerminated gives correct values
1293 <     *  Makes sure termination does not take an innapropriate
1294 <     *  amount of time
1292 >     * execute(null) throws NPE
1293 >     */
1294 >    public void testExecuteNull() {
1295 >        ThreadPoolExecutor p =
1296 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1297 >                                   new ArrayBlockingQueue<Runnable>(10));
1298 >        try {
1299 >            p.execute(null);
1300 >            shouldThrow();
1301 >        } catch (NullPointerException success) {}
1302 >
1303 >        joinPool(p);
1304 >    }
1305 >
1306 >    /**
1307 >     * setCorePoolSize of negative value throws IllegalArgumentException
1308       */
1309 <    public void testIsTerminated(){
1310 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1309 >    public void testCorePoolSizeIllegalArgumentException() {
1310 >        ThreadPoolExecutor p =
1311 >            new ThreadPoolExecutor(1, 2,
1312 >                                   LONG_DELAY_MS, MILLISECONDS,
1313 >                                   new ArrayBlockingQueue<Runnable>(10));
1314          try {
1315 <            one.execute(newRunnable());
1315 >            p.setCorePoolSize(-1);
1316 >            shouldThrow();
1317 >        } catch (IllegalArgumentException success) {
1318          } finally {
1319 <            one.shutdown();
1319 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1320          }
1321 <        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");
1321 >        joinPool(p);
1322      }
1323  
1324      /**
1325 <     *  Test to verify that purge correctly removes cancelled tasks
1326 <     *  from the queue
1325 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1326 >     * given a value less the core pool size
1327       */
1328 <    public void testPurge(){
1329 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1328 >    public void testMaximumPoolSizeIllegalArgumentException() {
1329 >        ThreadPoolExecutor p =
1330 >            new ThreadPoolExecutor(2, 3,
1331 >                                   LONG_DELAY_MS, MILLISECONDS,
1332 >                                   new ArrayBlockingQueue<Runnable>(10));
1333          try {
1334 <            CancellableTask[] tasks = new CancellableTask[5];
1335 <            for(int i = 0; i < 5; i++){
1336 <                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);
1334 >            p.setMaximumPoolSize(1);
1335 >            shouldThrow();
1336 >        } catch (IllegalArgumentException success) {
1337          } finally {
1338 <            one.shutdown();
1338 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1339          }
1340 +        joinPool(p);
1341      }
1342  
1343      /**
1344 <     *  Test to verify shutDownNow returns a list
1345 <     *  containing the correct number of elements
1344 >     * setMaximumPoolSize throws IllegalArgumentException
1345 >     * if given a negative value
1346       */
1347 <    public void testShutDownNow(){
1348 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1349 <        List l;
1347 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1348 >        ThreadPoolExecutor p =
1349 >            new ThreadPoolExecutor(2, 3,
1350 >                                   LONG_DELAY_MS, MILLISECONDS,
1351 >                                   new ArrayBlockingQueue<Runnable>(10));
1352          try {
1353 <            for(int i = 0; i < 5; i++)
1354 <                one.execute(newRunnable());
1353 >            p.setMaximumPoolSize(-1);
1354 >            shouldThrow();
1355 >        } catch (IllegalArgumentException success) {
1356 >        } finally {
1357 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1358          }
1359 <        finally {
1360 <            l = one.shutdownNow();
1359 >        joinPool(p);
1360 >    }
1361 >
1362 >    /**
1363 >     * Configuration changes that allow core pool size greater than
1364 >     * max pool size result in IllegalArgumentException.
1365 >     */
1366 >    public void testPoolSizeInvariants() {
1367 >        ThreadPoolExecutor p =
1368 >            new ThreadPoolExecutor(1, 1,
1369 >                                   LONG_DELAY_MS, MILLISECONDS,
1370 >                                   new ArrayBlockingQueue<Runnable>(10));
1371 >        for (int s = 1; s < 5; s++) {
1372 >            p.setMaximumPoolSize(s);
1373 >            p.setCorePoolSize(s);
1374 >            try {
1375 >                p.setMaximumPoolSize(s - 1);
1376 >                shouldThrow();
1377 >            } catch (IllegalArgumentException success) {}
1378 >            assertEquals(s, p.getCorePoolSize());
1379 >            assertEquals(s, p.getMaximumPoolSize());
1380 >            try {
1381 >                p.setCorePoolSize(s + 1);
1382 >                shouldThrow();
1383 >            } catch (IllegalArgumentException success) {}
1384 >            assertEquals(s, p.getCorePoolSize());
1385 >            assertEquals(s, p.getMaximumPoolSize());
1386          }
1387 <        assertTrue(one.isShutdown());
258 <        assertTrue(l.size() <= 4);
1387 >        joinPool(p);
1388      }
1389  
1390 <    
1391 <
1392 <    
1393 <    
1394 <      
1395 <    // Exception Tests
1396 <    
1390 >    /**
1391 >     * setKeepAliveTime throws IllegalArgumentException
1392 >     * when given a negative value
1393 >     */
1394 >    public void testKeepAliveTimeIllegalArgumentException() {
1395 >        ThreadPoolExecutor p =
1396 >            new ThreadPoolExecutor(2, 3,
1397 >                                   LONG_DELAY_MS, MILLISECONDS,
1398 >                                   new ArrayBlockingQueue<Runnable>(10));
1399 >        try {
1400 >            p.setKeepAliveTime(-1,MILLISECONDS);
1401 >            shouldThrow();
1402 >        } catch (IllegalArgumentException success) {
1403 >        } finally {
1404 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1405 >        }
1406 >        joinPool(p);
1407 >    }
1408  
1409 <    //---- Tests if corePoolSize argument is less than zero
1410 <    public void testConstructor1() {
1411 <        try{
1412 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1413 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1409 >    /**
1410 >     * terminated() is called on termination
1411 >     */
1412 >    public void testTerminated() {
1413 >        ExtendedTPE p = new ExtendedTPE();
1414 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1415 >        assertTrue(p.terminatedCalled());
1416 >        joinPool(p);
1417 >    }
1418 >
1419 >    /**
1420 >     * beforeExecute and afterExecute are called when executing task
1421 >     */
1422 >    public void testBeforeAfter() throws InterruptedException {
1423 >        ExtendedTPE p = new ExtendedTPE();
1424 >        try {
1425 >            final CountDownLatch done = new CountDownLatch(1);
1426 >            p.execute(new CheckedRunnable() {
1427 >                public void realRun() {
1428 >                    done.countDown();
1429 >                }});
1430 >            await(p.afterCalled);
1431 >            assertEquals(0, done.getCount());
1432 >            assertTrue(p.afterCalled());
1433 >            assertTrue(p.beforeCalled());
1434 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1435 >        } finally {
1436 >            joinPool(p);
1437          }
275        catch (IllegalArgumentException i){}
1438      }
1439 <    
1440 <    //---- Tests if maximumPoolSize is less than zero
1441 <    public void testConstructor2() {
1442 <        try{
1443 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1444 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1439 >
1440 >    /**
1441 >     * completed submit of callable returns result
1442 >     */
1443 >    public void testSubmitCallable() throws Exception {
1444 >        ExecutorService e =
1445 >            new ThreadPoolExecutor(2, 2,
1446 >                                   LONG_DELAY_MS, MILLISECONDS,
1447 >                                   new ArrayBlockingQueue<Runnable>(10));
1448 >        try {
1449 >            Future<String> future = e.submit(new StringTask());
1450 >            String result = future.get();
1451 >            assertSame(TEST_STRING, result);
1452 >        } finally {
1453 >            joinPool(e);
1454          }
284        catch (IllegalArgumentException i2){}
1455      }
1456 <    
1457 <    //---- Tests if maximumPoolSize is equal to zero
1458 <    public void testConstructor3() {
1459 <        try{
1460 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1461 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1456 >
1457 >    /**
1458 >     * completed submit of runnable returns successfully
1459 >     */
1460 >    public void testSubmitRunnable() throws Exception {
1461 >        ExecutorService e =
1462 >            new ThreadPoolExecutor(2, 2,
1463 >                                   LONG_DELAY_MS, MILLISECONDS,
1464 >                                   new ArrayBlockingQueue<Runnable>(10));
1465 >        try {
1466 >            Future<?> future = e.submit(new NoOpRunnable());
1467 >            future.get();
1468 >            assertTrue(future.isDone());
1469 >        } finally {
1470 >            joinPool(e);
1471          }
293        catch (IllegalArgumentException i3){}
1472      }
1473  
1474 <    //---- Tests if keepAliveTime is less than zero
1475 <    public void testConstructor4() {
1476 <        try{
1477 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1478 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1474 >    /**
1475 >     * completed submit of (runnable, result) returns result
1476 >     */
1477 >    public void testSubmitRunnable2() throws Exception {
1478 >        ExecutorService e =
1479 >            new ThreadPoolExecutor(2, 2,
1480 >                                   LONG_DELAY_MS, MILLISECONDS,
1481 >                                   new ArrayBlockingQueue<Runnable>(10));
1482 >        try {
1483 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1484 >            String result = future.get();
1485 >            assertSame(TEST_STRING, result);
1486 >        } finally {
1487 >            joinPool(e);
1488          }
302        catch (IllegalArgumentException i4){}
1489      }
1490  
1491 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1492 <    public void testConstructor5() {
1493 <        try{
1494 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1495 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1491 >    /**
1492 >     * invokeAny(null) throws NPE
1493 >     */
1494 >    public void testInvokeAny1() throws Exception {
1495 >        ExecutorService e =
1496 >            new ThreadPoolExecutor(2, 2,
1497 >                                   LONG_DELAY_MS, MILLISECONDS,
1498 >                                   new ArrayBlockingQueue<Runnable>(10));
1499 >        try {
1500 >            e.invokeAny(null);
1501 >            shouldThrow();
1502 >        } catch (NullPointerException success) {
1503 >        } finally {
1504 >            joinPool(e);
1505          }
311        catch (IllegalArgumentException i5){}
1506      }
1507 <        
1508 <    //---- Tests if workQueue is set to null
1509 <    public void testNullPointerException() {
1510 <        try{
1511 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
1512 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1507 >
1508 >    /**
1509 >     * invokeAny(empty collection) throws IAE
1510 >     */
1511 >    public void testInvokeAny2() throws Exception {
1512 >        ExecutorService e =
1513 >            new ThreadPoolExecutor(2, 2,
1514 >                                   LONG_DELAY_MS, MILLISECONDS,
1515 >                                   new ArrayBlockingQueue<Runnable>(10));
1516 >        try {
1517 >            e.invokeAny(new ArrayList<Callable<String>>());
1518 >            shouldThrow();
1519 >        } catch (IllegalArgumentException success) {
1520 >        } finally {
1521 >            joinPool(e);
1522          }
320        catch (NullPointerException n){}  
1523      }
322    
1524  
1525 <    
1526 <    //---- Tests if corePoolSize argument is less than zero
1527 <    public void testConstructor6() {
1528 <        try{
1529 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1530 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1531 <        }catch (IllegalArgumentException i6){}
1525 >    /**
1526 >     * invokeAny(c) throws NPE if c has null elements
1527 >     */
1528 >    public void testInvokeAny3() throws Exception {
1529 >        final CountDownLatch latch = new CountDownLatch(1);
1530 >        final ExecutorService e =
1531 >            new ThreadPoolExecutor(2, 2,
1532 >                                   LONG_DELAY_MS, MILLISECONDS,
1533 >                                   new ArrayBlockingQueue<Runnable>(10));
1534 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1535 >        l.add(latchAwaitingStringTask(latch));
1536 >        l.add(null);
1537 >        try {
1538 >            e.invokeAny(l);
1539 >            shouldThrow();
1540 >        } catch (NullPointerException success) {
1541 >        } finally {
1542 >            latch.countDown();
1543 >            joinPool(e);
1544 >        }
1545      }
1546 <    
1547 <    //---- Tests if maximumPoolSize is less than zero
1548 <    public void testConstructor7() {
1549 <        try{
1550 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1551 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1546 >
1547 >    /**
1548 >     * invokeAny(c) throws ExecutionException if no task completes
1549 >     */
1550 >    public void testInvokeAny4() throws Exception {
1551 >        ExecutorService e =
1552 >            new ThreadPoolExecutor(2, 2,
1553 >                                   LONG_DELAY_MS, MILLISECONDS,
1554 >                                   new ArrayBlockingQueue<Runnable>(10));
1555 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1556 >        l.add(new NPETask());
1557 >        try {
1558 >            e.invokeAny(l);
1559 >            shouldThrow();
1560 >        } catch (ExecutionException success) {
1561 >            assertTrue(success.getCause() instanceof NullPointerException);
1562 >        } finally {
1563 >            joinPool(e);
1564          }
339        catch (IllegalArgumentException i7){}
1565      }
1566  
1567 <    //---- Tests if maximumPoolSize is equal to zero
1568 <    public void testConstructor8() {
1569 <        try{
1570 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1571 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1567 >    /**
1568 >     * invokeAny(c) returns result of some task
1569 >     */
1570 >    public void testInvokeAny5() throws Exception {
1571 >        ExecutorService e =
1572 >            new ThreadPoolExecutor(2, 2,
1573 >                                   LONG_DELAY_MS, MILLISECONDS,
1574 >                                   new ArrayBlockingQueue<Runnable>(10));
1575 >        try {
1576 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1577 >            l.add(new StringTask());
1578 >            l.add(new StringTask());
1579 >            String result = e.invokeAny(l);
1580 >            assertSame(TEST_STRING, result);
1581 >        } finally {
1582 >            joinPool(e);
1583          }
348        catch (IllegalArgumentException i8){}
1584      }
1585  
1586 <    //---- Tests if keepAliveTime is less than zero
1587 <    public void testConstructor9() {
1588 <        try{
1589 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1590 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1586 >    /**
1587 >     * invokeAll(null) throws NPE
1588 >     */
1589 >    public void testInvokeAll1() throws Exception {
1590 >        ExecutorService e =
1591 >            new ThreadPoolExecutor(2, 2,
1592 >                                   LONG_DELAY_MS, MILLISECONDS,
1593 >                                   new ArrayBlockingQueue<Runnable>(10));
1594 >        try {
1595 >            e.invokeAll(null);
1596 >            shouldThrow();
1597 >        } catch (NullPointerException success) {
1598 >        } finally {
1599 >            joinPool(e);
1600          }
357        catch (IllegalArgumentException i9){}
1601      }
1602  
1603 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1604 <    public void testConstructor10() {
1605 <        try{
1606 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1607 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1603 >    /**
1604 >     * invokeAll(empty collection) returns empty collection
1605 >     */
1606 >    public void testInvokeAll2() throws InterruptedException {
1607 >        ExecutorService e =
1608 >            new ThreadPoolExecutor(2, 2,
1609 >                                   LONG_DELAY_MS, MILLISECONDS,
1610 >                                   new ArrayBlockingQueue<Runnable>(10));
1611 >        try {
1612 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1613 >            assertTrue(r.isEmpty());
1614 >        } finally {
1615 >            joinPool(e);
1616          }
366        catch (IllegalArgumentException i10){}
1617      }
1618  
1619 <    //---- Tests if workQueue is set to null
1620 <    public void testNullPointerException2() {
1621 <        try{
1622 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1623 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1619 >    /**
1620 >     * invokeAll(c) throws NPE if c has null elements
1621 >     */
1622 >    public void testInvokeAll3() throws Exception {
1623 >        ExecutorService e =
1624 >            new ThreadPoolExecutor(2, 2,
1625 >                                   LONG_DELAY_MS, MILLISECONDS,
1626 >                                   new ArrayBlockingQueue<Runnable>(10));
1627 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1628 >        l.add(new StringTask());
1629 >        l.add(null);
1630 >        try {
1631 >            e.invokeAll(l);
1632 >            shouldThrow();
1633 >        } catch (NullPointerException success) {
1634 >        } finally {
1635 >            joinPool(e);
1636          }
375        catch (NullPointerException n2){}  
1637      }
1638  
1639 <    //---- Tests if threadFactory is set to null
1640 <    public void testNullPointerException3() {
1641 <        try{
1642 <            ThreadFactory f = null;
1643 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1644 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1639 >    /**
1640 >     * get of element of invokeAll(c) throws exception on failed task
1641 >     */
1642 >    public void testInvokeAll4() throws Exception {
1643 >        ExecutorService e =
1644 >            new ThreadPoolExecutor(2, 2,
1645 >                                   LONG_DELAY_MS, MILLISECONDS,
1646 >                                   new ArrayBlockingQueue<Runnable>(10));
1647 >        try {
1648 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1649 >            l.add(new NPETask());
1650 >            List<Future<String>> futures = e.invokeAll(l);
1651 >            assertEquals(1, futures.size());
1652 >            try {
1653 >                futures.get(0).get();
1654 >                shouldThrow();
1655 >            } catch (ExecutionException success) {
1656 >                assertTrue(success.getCause() instanceof NullPointerException);
1657 >            }
1658 >        } finally {
1659 >            joinPool(e);
1660          }
385        catch (NullPointerException n3){}  
1661      }
1662 <
1663 <    
1664 <    //---- Tests if corePoolSize argument is less than zero
1665 <    public void testConstructor11() {
1666 <        try{
1667 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1668 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1662 >
1663 >    /**
1664 >     * invokeAll(c) returns results of all completed tasks
1665 >     */
1666 >    public void testInvokeAll5() throws Exception {
1667 >        ExecutorService e =
1668 >            new ThreadPoolExecutor(2, 2,
1669 >                                   LONG_DELAY_MS, MILLISECONDS,
1670 >                                   new ArrayBlockingQueue<Runnable>(10));
1671 >        try {
1672 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1673 >            l.add(new StringTask());
1674 >            l.add(new StringTask());
1675 >            List<Future<String>> futures = e.invokeAll(l);
1676 >            assertEquals(2, futures.size());
1677 >            for (Future<String> future : futures)
1678 >                assertSame(TEST_STRING, future.get());
1679 >        } finally {
1680 >            joinPool(e);
1681          }
395        catch (IllegalArgumentException i11){}
1682      }
1683  
1684 <    //---- Tests if maximumPoolSize is less than zero
1685 <    public void testConstructor12() {
1686 <        try{
1687 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1688 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1684 >    /**
1685 >     * timed invokeAny(null) throws NPE
1686 >     */
1687 >    public void testTimedInvokeAny1() throws Exception {
1688 >        ExecutorService e =
1689 >            new ThreadPoolExecutor(2, 2,
1690 >                                   LONG_DELAY_MS, MILLISECONDS,
1691 >                                   new ArrayBlockingQueue<Runnable>(10));
1692 >        try {
1693 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1694 >            shouldThrow();
1695 >        } catch (NullPointerException success) {
1696 >        } finally {
1697 >            joinPool(e);
1698          }
404        catch (IllegalArgumentException i12){}
1699      }
1700  
1701 <    //---- Tests if maximumPoolSize is equal to zero
1702 <    public void testConstructor13() {
1703 <        try{
1704 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1705 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1701 >    /**
1702 >     * timed invokeAny(,,null) throws NPE
1703 >     */
1704 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1705 >        ExecutorService e =
1706 >            new ThreadPoolExecutor(2, 2,
1707 >                                   LONG_DELAY_MS, MILLISECONDS,
1708 >                                   new ArrayBlockingQueue<Runnable>(10));
1709 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1710 >        l.add(new StringTask());
1711 >        try {
1712 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1713 >            shouldThrow();
1714 >        } catch (NullPointerException success) {
1715 >        } finally {
1716 >            joinPool(e);
1717          }
413        catch (IllegalArgumentException i13){}
1718      }
1719  
1720 <    //---- Tests if keepAliveTime is less than zero
1721 <    public void testConstructor14() {
1722 <        try{
1723 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1724 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1720 >    /**
1721 >     * timed invokeAny(empty collection) throws IAE
1722 >     */
1723 >    public void testTimedInvokeAny2() throws Exception {
1724 >        ExecutorService e =
1725 >            new ThreadPoolExecutor(2, 2,
1726 >                                   LONG_DELAY_MS, MILLISECONDS,
1727 >                                   new ArrayBlockingQueue<Runnable>(10));
1728 >        try {
1729 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1730 >            shouldThrow();
1731 >        } catch (IllegalArgumentException success) {
1732 >        } finally {
1733 >            joinPool(e);
1734          }
422        catch (IllegalArgumentException i14){}
1735      }
1736  
1737 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1738 <    public void testConstructor15() {
1739 <        try{
1740 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1741 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1737 >    /**
1738 >     * timed invokeAny(c) throws NPE if c has null elements
1739 >     */
1740 >    public void testTimedInvokeAny3() throws Exception {
1741 >        final CountDownLatch latch = new CountDownLatch(1);
1742 >        final ExecutorService e =
1743 >            new ThreadPoolExecutor(2, 2,
1744 >                                   LONG_DELAY_MS, MILLISECONDS,
1745 >                                   new ArrayBlockingQueue<Runnable>(10));
1746 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1747 >        l.add(latchAwaitingStringTask(latch));
1748 >        l.add(null);
1749 >        try {
1750 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1751 >            shouldThrow();
1752 >        } catch (NullPointerException success) {
1753 >        } finally {
1754 >            latch.countDown();
1755 >            joinPool(e);
1756          }
431        catch (IllegalArgumentException i15){}
1757      }
1758  
1759 <    //---- Tests if workQueue is set to null
1760 <    public void testNullPointerException4() {
1761 <        try{
1762 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1763 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1759 >    /**
1760 >     * timed invokeAny(c) throws ExecutionException if no task completes
1761 >     */
1762 >    public void testTimedInvokeAny4() throws Exception {
1763 >        ExecutorService e =
1764 >            new ThreadPoolExecutor(2, 2,
1765 >                                   LONG_DELAY_MS, MILLISECONDS,
1766 >                                   new ArrayBlockingQueue<Runnable>(10));
1767 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1768 >        l.add(new NPETask());
1769 >        try {
1770 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1771 >            shouldThrow();
1772 >        } catch (ExecutionException success) {
1773 >            assertTrue(success.getCause() instanceof NullPointerException);
1774 >        } finally {
1775 >            joinPool(e);
1776          }
440        catch (NullPointerException n4){}  
1777      }
1778  
1779 <    //---- Tests if handler is set to null
1780 <    public void testNullPointerException5() {
1781 <        try{
1782 <            RejectedExecutionHandler r = null;
1783 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1784 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1779 >    /**
1780 >     * timed invokeAny(c) returns result of some task
1781 >     */
1782 >    public void testTimedInvokeAny5() throws Exception {
1783 >        ExecutorService e =
1784 >            new ThreadPoolExecutor(2, 2,
1785 >                                   LONG_DELAY_MS, MILLISECONDS,
1786 >                                   new ArrayBlockingQueue<Runnable>(10));
1787 >        try {
1788 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1789 >            l.add(new StringTask());
1790 >            l.add(new StringTask());
1791 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1792 >            assertSame(TEST_STRING, result);
1793 >        } finally {
1794 >            joinPool(e);
1795          }
450        catch (NullPointerException n5){}  
1796      }
1797  
1798 <    
1799 <    //---- Tests if corePoolSize argument is less than zero
1800 <    public void testConstructor16() {
1801 <        try{
1802 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1803 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1798 >    /**
1799 >     * timed invokeAll(null) throws NPE
1800 >     */
1801 >    public void testTimedInvokeAll1() throws Exception {
1802 >        ExecutorService e =
1803 >            new ThreadPoolExecutor(2, 2,
1804 >                                   LONG_DELAY_MS, MILLISECONDS,
1805 >                                   new ArrayBlockingQueue<Runnable>(10));
1806 >        try {
1807 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1808 >            shouldThrow();
1809 >        } catch (NullPointerException success) {
1810 >        } finally {
1811 >            joinPool(e);
1812          }
460        catch (IllegalArgumentException i16){}
1813      }
1814  
1815 <    //---- Tests if maximumPoolSize is less than zero
1816 <    public void testConstructor17() {
1817 <        try{
1818 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1819 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1815 >    /**
1816 >     * timed invokeAll(,,null) throws NPE
1817 >     */
1818 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1819 >        ExecutorService e =
1820 >            new ThreadPoolExecutor(2, 2,
1821 >                                   LONG_DELAY_MS, MILLISECONDS,
1822 >                                   new ArrayBlockingQueue<Runnable>(10));
1823 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1824 >        l.add(new StringTask());
1825 >        try {
1826 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1827 >            shouldThrow();
1828 >        } catch (NullPointerException success) {
1829 >        } finally {
1830 >            joinPool(e);
1831          }
469        catch (IllegalArgumentException i17){}
1832      }
1833  
1834 <    //---- Tests if maximumPoolSize is equal to zero
1835 <    public void testConstructor18() {
1836 <        try{
1837 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1838 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1834 >    /**
1835 >     * timed invokeAll(empty collection) returns empty collection
1836 >     */
1837 >    public void testTimedInvokeAll2() throws InterruptedException {
1838 >        ExecutorService e =
1839 >            new ThreadPoolExecutor(2, 2,
1840 >                                   LONG_DELAY_MS, MILLISECONDS,
1841 >                                   new ArrayBlockingQueue<Runnable>(10));
1842 >        try {
1843 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1844 >            assertTrue(r.isEmpty());
1845 >        } finally {
1846 >            joinPool(e);
1847          }
478        catch (IllegalArgumentException i18){}
1848      }
1849  
1850 <    //---- Tests if keepAliveTime is less than zero
1851 <    public void testConstructor19() {
1852 <        try{
1853 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1854 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1850 >    /**
1851 >     * timed invokeAll(c) throws NPE if c has null elements
1852 >     */
1853 >    public void testTimedInvokeAll3() throws Exception {
1854 >        ExecutorService e =
1855 >            new ThreadPoolExecutor(2, 2,
1856 >                                   LONG_DELAY_MS, MILLISECONDS,
1857 >                                   new ArrayBlockingQueue<Runnable>(10));
1858 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1859 >        l.add(new StringTask());
1860 >        l.add(null);
1861 >        try {
1862 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1863 >            shouldThrow();
1864 >        } catch (NullPointerException success) {
1865 >        } finally {
1866 >            joinPool(e);
1867          }
487        catch (IllegalArgumentException i19){}
1868      }
1869  
1870 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1871 <    public void testConstructor20() {
1872 <        try{
1873 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1874 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1870 >    /**
1871 >     * get of element of invokeAll(c) throws exception on failed task
1872 >     */
1873 >    public void testTimedInvokeAll4() throws Exception {
1874 >        ExecutorService e =
1875 >            new ThreadPoolExecutor(2, 2,
1876 >                                   LONG_DELAY_MS, MILLISECONDS,
1877 >                                   new ArrayBlockingQueue<Runnable>(10));
1878 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1879 >        l.add(new NPETask());
1880 >        List<Future<String>> futures =
1881 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1882 >        assertEquals(1, futures.size());
1883 >        try {
1884 >            futures.get(0).get();
1885 >            shouldThrow();
1886 >        } catch (ExecutionException success) {
1887 >            assertTrue(success.getCause() instanceof NullPointerException);
1888 >        } finally {
1889 >            joinPool(e);
1890          }
496        catch (IllegalArgumentException i20){}
1891      }
1892  
1893 <    //---- Tests if workQueue is set to null
1894 <    public void testNullPointerException6() {
1895 <        try{
1896 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
1897 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1893 >    /**
1894 >     * timed invokeAll(c) returns results of all completed tasks
1895 >     */
1896 >    public void testTimedInvokeAll5() throws Exception {
1897 >        ExecutorService e =
1898 >            new ThreadPoolExecutor(2, 2,
1899 >                                   LONG_DELAY_MS, MILLISECONDS,
1900 >                                   new ArrayBlockingQueue<Runnable>(10));
1901 >        try {
1902 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1903 >            l.add(new StringTask());
1904 >            l.add(new StringTask());
1905 >            List<Future<String>> futures =
1906 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1907 >            assertEquals(2, futures.size());
1908 >            for (Future<String> future : futures)
1909 >                assertSame(TEST_STRING, future.get());
1910 >        } finally {
1911 >            joinPool(e);
1912          }
505        catch (NullPointerException n6){}  
1913      }
1914  
1915 <    //---- Tests if handler is set to null
1916 <    public void testNullPointerException7() {
1917 <        try{
1918 <            RejectedExecutionHandler r = null;
1919 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
1920 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1915 >    /**
1916 >     * timed invokeAll(c) cancels tasks not completed by timeout
1917 >     */
1918 >    public void testTimedInvokeAll6() throws Exception {
1919 >        ExecutorService e =
1920 >            new ThreadPoolExecutor(2, 2,
1921 >                                   LONG_DELAY_MS, MILLISECONDS,
1922 >                                   new ArrayBlockingQueue<Runnable>(10));
1923 >        try {
1924 >            for (long timeout = timeoutMillis();;) {
1925 >                List<Callable<String>> tasks = new ArrayList<>();
1926 >                tasks.add(new StringTask("0"));
1927 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1928 >                tasks.add(new StringTask("2"));
1929 >                long startTime = System.nanoTime();
1930 >                List<Future<String>> futures =
1931 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1932 >                assertEquals(tasks.size(), futures.size());
1933 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1934 >                for (Future future : futures)
1935 >                    assertTrue(future.isDone());
1936 >                assertTrue(futures.get(1).isCancelled());
1937 >                try {
1938 >                    assertEquals("0", futures.get(0).get());
1939 >                    assertEquals("2", futures.get(2).get());
1940 >                    break;
1941 >                } catch (CancellationException retryWithLongerTimeout) {
1942 >                    timeout *= 2;
1943 >                    if (timeout >= LONG_DELAY_MS / 2)
1944 >                        fail("expected exactly one task to be cancelled");
1945 >                }
1946 >            }
1947 >        } finally {
1948 >            joinPool(e);
1949          }
515        catch (NullPointerException n7){}  
1950      }
1951  
1952 <    //---- Tests if ThradFactory is set top null
1953 <    public void testNullPointerException8() {
1954 <        try{
1955 <            ThreadFactory f = null;
1956 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
1957 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1952 >    /**
1953 >     * Execution continues if there is at least one thread even if
1954 >     * thread factory fails to create more
1955 >     */
1956 >    public void testFailingThreadFactory() throws InterruptedException {
1957 >        final ExecutorService e =
1958 >            new ThreadPoolExecutor(100, 100,
1959 >                                   LONG_DELAY_MS, MILLISECONDS,
1960 >                                   new LinkedBlockingQueue<Runnable>(),
1961 >                                   new FailingThreadFactory());
1962 >        try {
1963 >            final int TASKS = 100;
1964 >            final CountDownLatch done = new CountDownLatch(TASKS);
1965 >            for (int k = 0; k < TASKS; ++k)
1966 >                e.execute(new CheckedRunnable() {
1967 >                    public void realRun() {
1968 >                        done.countDown();
1969 >                    }});
1970 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1971 >        } finally {
1972 >            joinPool(e);
1973          }
525        catch (NullPointerException n8){}  
1974      }
527    
1975  
1976      /**
1977 <     *  Test to verify execute will throw RejectedExcutionException
531 <     *  ThreadPoolExecutor will throw one when more runnables are
532 <     *  executed then will fit in the Queue.
1977 >     * allowsCoreThreadTimeOut is by default false.
1978       */
1979 <    public void testRejectedExecutedException(){
1980 <        ThreadPoolExecutor tpe = null;
1981 <        try{
1982 <            tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1983 <        }catch(Exception e){}
1984 <        tpe.shutdown();
1985 <        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 sucess){}
550 <        
551 <        
1979 >    public void testAllowsCoreThreadTimeOut() {
1980 >        final ThreadPoolExecutor p =
1981 >            new ThreadPoolExecutor(2, 2,
1982 >                                   1000, MILLISECONDS,
1983 >                                   new ArrayBlockingQueue<Runnable>(10));
1984 >        assertFalse(p.allowsCoreThreadTimeOut());
1985 >        joinPool(p);
1986      }
1987 <    
1987 >
1988      /**
1989 <     *  Test to verify setCorePoolSize will throw IllegalArgumentException
556 <     *  when given a negative
1989 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1990       */
1991 <    public void testIllegalArgumentException1(){
1992 <        ThreadPoolExecutor tpe = null;
1993 <        try{
1994 <            tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1995 <        }catch(Exception e){}
1996 <        try{
1997 <            tpe.setCorePoolSize(-1);
1998 <            fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1999 <        }catch(IllegalArgumentException sucess){
1991 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1992 >        long keepAliveTime = timeoutMillis();
1993 >        final ThreadPoolExecutor p =
1994 >            new ThreadPoolExecutor(2, 10,
1995 >                                   keepAliveTime, MILLISECONDS,
1996 >                                   new ArrayBlockingQueue<Runnable>(10));
1997 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1998 >        try {
1999 >            p.allowCoreThreadTimeOut(true);
2000 >            p.execute(new CheckedRunnable() {
2001 >                public void realRun() {
2002 >                    threadStarted.countDown();
2003 >                    assertEquals(1, p.getPoolSize());
2004 >                }});
2005 >            await(threadStarted);
2006 >            delay(keepAliveTime);
2007 >            long startTime = System.nanoTime();
2008 >            while (p.getPoolSize() > 0
2009 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
2010 >                Thread.yield();
2011 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2012 >            assertEquals(0, p.getPoolSize());
2013          } finally {
2014 <            tpe.shutdown();
2014 >            joinPool(p);
2015          }
2016 <    }  
2016 >    }
2017  
572    
2018      /**
2019 <     *  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
2020 <     *  if given a value less the it's actual core pool size
2021 <     */  
2022 <    public void testIllegalArgumentException2(){
2023 <        ThreadPoolExecutor tpe = null;
2024 <        try{
2025 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2026 <        }catch(Exception e){}
2027 <        try{
2028 <            tpe.setMaximumPoolSize(1);
2029 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2030 <        }catch(IllegalArgumentException sucess){
2019 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
2020 >     */
2021 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
2022 >        long keepAliveTime = timeoutMillis();
2023 >        final ThreadPoolExecutor p =
2024 >            new ThreadPoolExecutor(2, 10,
2025 >                                   keepAliveTime, MILLISECONDS,
2026 >                                   new ArrayBlockingQueue<Runnable>(10));
2027 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2028 >        try {
2029 >            p.allowCoreThreadTimeOut(false);
2030 >            p.execute(new CheckedRunnable() {
2031 >                public void realRun() throws InterruptedException {
2032 >                    threadStarted.countDown();
2033 >                    assertTrue(p.getPoolSize() >= 1);
2034 >                }});
2035 >            delay(2 * keepAliveTime);
2036 >            assertTrue(p.getPoolSize() >= 1);
2037          } finally {
2038 <            tpe.shutdown();
2038 >            joinPool(p);
2039          }
2040      }
2041 <    
2041 >
2042      /**
2043 <     *  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
2044 <     *  if given a negative number
2043 >     * execute allows the same task to be submitted multiple times, even
2044 >     * if rejected
2045       */
2046 <    public void testIllegalArgumentException2SP(){
2047 <        ThreadPoolExecutor tpe = null;
2048 <        try{
2049 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2050 <        }catch(Exception e){}
2051 <        try{
2052 <            tpe.setMaximumPoolSize(-1);
2053 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2054 <        }catch(IllegalArgumentException sucess){
2046 >    public void testRejectedRecycledTask() throws InterruptedException {
2047 >        final int nTasks = 1000;
2048 >        final CountDownLatch done = new CountDownLatch(nTasks);
2049 >        final Runnable recycledTask = new Runnable() {
2050 >            public void run() {
2051 >                done.countDown();
2052 >            }};
2053 >        final ThreadPoolExecutor p =
2054 >            new ThreadPoolExecutor(1, 30,
2055 >                                   60, SECONDS,
2056 >                                   new ArrayBlockingQueue(30));
2057 >        try {
2058 >            for (int i = 0; i < nTasks; ++i) {
2059 >                for (;;) {
2060 >                    try {
2061 >                        p.execute(recycledTask);
2062 >                        break;
2063 >                    }
2064 >                    catch (RejectedExecutionException ignore) {}
2065 >                }
2066 >            }
2067 >            // enough time to run all tasks
2068 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2069          } finally {
2070 <            tpe.shutdown();
2070 >            joinPool(p);
2071          }
2072      }
608    
2073  
2074      /**
2075 <     *  Test to verify setKeepAliveTime will throw IllegalArgumentException
612 <     *  when given a negative value
2075 >     * get(cancelled task) throws CancellationException
2076       */
2077 <    public void testIllegalArgumentException3(){
2078 <        ThreadPoolExecutor tpe = null;
2079 <        try{
2080 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2081 <        }catch(Exception e){}
2082 <        
2083 <        try{
2084 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
2085 <            fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
2086 <        }catch(IllegalArgumentException sucess){
2077 >    public void testGet_cancelled() throws Exception {
2078 >        final ExecutorService e =
2079 >            new ThreadPoolExecutor(1, 1,
2080 >                                   LONG_DELAY_MS, MILLISECONDS,
2081 >                                   new LinkedBlockingQueue<Runnable>());
2082 >        try {
2083 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2084 >            final CountDownLatch done = new CountDownLatch(1);
2085 >            final List<Future<?>> futures = new ArrayList<>();
2086 >            for (int i = 0; i < 2; i++) {
2087 >                Runnable r = new CheckedRunnable() { public void realRun()
2088 >                                                         throws Throwable {
2089 >                    blockerStarted.countDown();
2090 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2091 >                }};
2092 >                futures.add(e.submit(r));
2093 >            }
2094 >            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2095 >            for (Future<?> future : futures) future.cancel(false);
2096 >            for (Future<?> future : futures) {
2097 >                try {
2098 >                    future.get();
2099 >                    shouldThrow();
2100 >                } catch (CancellationException success) {}
2101 >                try {
2102 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2103 >                    shouldThrow();
2104 >                } catch (CancellationException success) {}
2105 >                assertTrue(future.isCancelled());
2106 >                assertTrue(future.isDone());
2107 >            }
2108 >            done.countDown();
2109          } finally {
2110 <            tpe.shutdown();
2110 >            joinPool(e);
2111          }
2112      }
2113 <  
629 <    
630 <  
2113 >
2114   }

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