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root/jsr166/jsr166/src/test/tck/ThreadPoolExecutorTest.java
Revision: 1.28
Committed: Wed Nov 18 16:13:11 2009 UTC (14 years, 6 months ago) by jsr166
Branch: MAIN
Changes since 1.27: +29 -58 lines
Log Message: 
cosmetic improvements

File Contents

# User Rev Content
1 dl 1.1 /*
2 dl 1.15 * Written by Doug Lea with assistance from members of JCP JSR-166
3     * Expert Group and released to the public domain, as explained at
4     * http://creativecommons.org/licenses/publicdomain
5 jsr166 1.24 * Other contributors include Andrew Wright, Jeffrey Hayes,
6     * Pat Fisher, Mike Judd.
7 dl 1.1 */
8    
9     import java.util.concurrent.*;
10 jsr166 1.27 import static java.util.concurrent.TimeUnit.MILLISECONDS;
11 dl 1.23 import java.util.concurrent.atomic.*;
12 dl 1.1 import junit.framework.*;
13 dl 1.12 import java.util.*;
14 dl 1.1
15 dl 1.3 public class ThreadPoolExecutorTest extends JSR166TestCase {
16 dl 1.1 public static void main(String[] args) {
17 jsr166 1.24 junit.textui.TestRunner.run (suite());
18 dl 1.1 }
19     public static Test suite() {
20     return new TestSuite(ThreadPoolExecutorTest.class);
21     }
22 jsr166 1.24
23 dl 1.8 static class ExtendedTPE extends ThreadPoolExecutor {
24     volatile boolean beforeCalled = false;
25     volatile boolean afterCalled = false;
26     volatile boolean terminatedCalled = false;
27     public ExtendedTPE() {
28 jsr166 1.27 super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
29 dl 1.8 }
30     protected void beforeExecute(Thread t, Runnable r) {
31     beforeCalled = true;
32     }
33     protected void afterExecute(Runnable r, Throwable t) {
34     afterCalled = true;
35     }
36     protected void terminated() {
37     terminatedCalled = true;
38     }
39     }
40 dl 1.1
41 jsr166 1.26 static class FailingThreadFactory implements ThreadFactory {
42 dl 1.19 int calls = 0;
43 jsr166 1.26 public Thread newThread(Runnable r) {
44 dl 1.20 if (++calls > 1) return null;
45 dl 1.19 return new Thread(r);
46 jsr166 1.24 }
47 dl 1.19 }
48 jsr166 1.24
49 dl 1.19
50 dl 1.3 /**
51 dl 1.8 * execute successfully executes a runnable
52 dl 1.1 */
53 jsr166 1.27 public void testExecute() throws InterruptedException {
54     ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
55 dl 1.1 try {
56 jsr166 1.27 p1.execute(new ShortRunnable());
57 dl 1.3 Thread.sleep(SMALL_DELAY_MS);
58 jsr166 1.27 } finally {
59     joinPool(p1);
60 jsr166 1.24 }
61 dl 1.1 }
62    
63     /**
64 dl 1.6 * getActiveCount increases but doesn't overestimate, when a
65     * thread becomes active
66 dl 1.1 */
67 jsr166 1.27 public void testGetActiveCount() throws InterruptedException {
68     ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
69 dl 1.5 assertEquals(0, p2.getActiveCount());
70     p2.execute(new MediumRunnable());
71 jsr166 1.27 Thread.sleep(SHORT_DELAY_MS);
72 dl 1.5 assertEquals(1, p2.getActiveCount());
73     joinPool(p2);
74 dl 1.1 }
75 dl 1.8
76     /**
77     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
78     */
79     public void testPrestartCoreThread() {
80 jsr166 1.27 ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
81 dl 1.8 assertEquals(0, p2.getPoolSize());
82     assertTrue(p2.prestartCoreThread());
83     assertEquals(1, p2.getPoolSize());
84     assertTrue(p2.prestartCoreThread());
85     assertEquals(2, p2.getPoolSize());
86     assertFalse(p2.prestartCoreThread());
87     assertEquals(2, p2.getPoolSize());
88     joinPool(p2);
89     }
90    
91     /**
92     * prestartAllCoreThreads starts all corePoolSize threads
93     */
94     public void testPrestartAllCoreThreads() {
95 jsr166 1.27 ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
96 dl 1.8 assertEquals(0, p2.getPoolSize());
97     p2.prestartAllCoreThreads();
98     assertEquals(2, p2.getPoolSize());
99     p2.prestartAllCoreThreads();
100     assertEquals(2, p2.getPoolSize());
101     joinPool(p2);
102     }
103 jsr166 1.24
104 dl 1.1 /**
105 dl 1.6 * getCompletedTaskCount increases, but doesn't overestimate,
106     * when tasks complete
107 dl 1.1 */
108 jsr166 1.27 public void testGetCompletedTaskCount() throws InterruptedException {
109     ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
110 dl 1.5 assertEquals(0, p2.getCompletedTaskCount());
111     p2.execute(new ShortRunnable());
112 jsr166 1.27 Thread.sleep(SMALL_DELAY_MS);
113 dl 1.5 assertEquals(1, p2.getCompletedTaskCount());
114 jsr166 1.25 try { p2.shutdown(); } catch (SecurityException ok) { return; }
115 dl 1.5 joinPool(p2);
116 dl 1.1 }
117 jsr166 1.24
118 dl 1.1 /**
119 dl 1.6 * getCorePoolSize returns size given in constructor if not otherwise set
120 dl 1.1 */
121 dl 1.5 public void testGetCorePoolSize() {
122 jsr166 1.27 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
123 dl 1.5 assertEquals(1, p1.getCorePoolSize());
124     joinPool(p1);
125 dl 1.1 }
126 jsr166 1.24
127 dl 1.1 /**
128 dl 1.6 * getKeepAliveTime returns value given in constructor if not otherwise set
129 dl 1.1 */
130 dl 1.5 public void testGetKeepAliveTime() {
131 jsr166 1.27 ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
132 dl 1.5 assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
133     joinPool(p2);
134 dl 1.1 }
135 dl 1.8
136    
137 jsr166 1.24 /**
138 dl 1.8 * getThreadFactory returns factory in constructor if not set
139     */
140     public void testGetThreadFactory() {
141     ThreadFactory tf = new SimpleThreadFactory();
142 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler());
143 dl 1.8 assertSame(tf, p.getThreadFactory());
144     joinPool(p);
145     }
146    
147 jsr166 1.24 /**
148 dl 1.8 * setThreadFactory sets the thread factory returned by getThreadFactory
149     */
150     public void testSetThreadFactory() {
151 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
152 dl 1.8 ThreadFactory tf = new SimpleThreadFactory();
153     p.setThreadFactory(tf);
154     assertSame(tf, p.getThreadFactory());
155     joinPool(p);
156     }
157    
158    
159 jsr166 1.24 /**
160 dl 1.8 * setThreadFactory(null) throws NPE
161     */
162     public void testSetThreadFactoryNull() {
163 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
164 dl 1.8 try {
165     p.setThreadFactory(null);
166     shouldThrow();
167     } catch (NullPointerException success) {
168     } finally {
169     joinPool(p);
170     }
171     }
172    
173 jsr166 1.24 /**
174 dl 1.9 * getRejectedExecutionHandler returns handler in constructor if not set
175     */
176     public void testGetRejectedExecutionHandler() {
177     RejectedExecutionHandler h = new NoOpREHandler();
178 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h);
179 dl 1.9 assertSame(h, p.getRejectedExecutionHandler());
180     joinPool(p);
181     }
182    
183 jsr166 1.24 /**
184 dl 1.9 * setRejectedExecutionHandler sets the handler returned by
185     * getRejectedExecutionHandler
186     */
187     public void testSetRejectedExecutionHandler() {
188 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
189 dl 1.9 RejectedExecutionHandler h = new NoOpREHandler();
190     p.setRejectedExecutionHandler(h);
191     assertSame(h, p.getRejectedExecutionHandler());
192     joinPool(p);
193     }
194    
195    
196 jsr166 1.24 /**
197 dl 1.9 * setRejectedExecutionHandler(null) throws NPE
198     */
199     public void testSetRejectedExecutionHandlerNull() {
200 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
201 dl 1.9 try {
202     p.setRejectedExecutionHandler(null);
203     shouldThrow();
204     } catch (NullPointerException success) {
205     } finally {
206     joinPool(p);
207     }
208     }
209    
210 jsr166 1.24
211 dl 1.1 /**
212 dl 1.6 * getLargestPoolSize increases, but doesn't overestimate, when
213     * multiple threads active
214 dl 1.1 */
215 jsr166 1.27 public void testGetLargestPoolSize() throws InterruptedException {
216     ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217     assertEquals(0, p2.getLargestPoolSize());
218     p2.execute(new MediumRunnable());
219     p2.execute(new MediumRunnable());
220     Thread.sleep(SHORT_DELAY_MS);
221     assertEquals(2, p2.getLargestPoolSize());
222 dl 1.5 joinPool(p2);
223 dl 1.1 }
224 jsr166 1.24
225 dl 1.1 /**
226 dl 1.6 * getMaximumPoolSize returns value given in constructor if not
227     * otherwise set
228 dl 1.1 */
229 dl 1.5 public void testGetMaximumPoolSize() {
230 jsr166 1.27 ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
231 dl 1.5 assertEquals(2, p2.getMaximumPoolSize());
232     joinPool(p2);
233 dl 1.1 }
234 jsr166 1.24
235 dl 1.1 /**
236 dl 1.6 * getPoolSize increases, but doesn't overestimate, when threads
237     * become active
238 dl 1.1 */
239 dl 1.5 public void testGetPoolSize() {
240 jsr166 1.27 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
241 dl 1.5 assertEquals(0, p1.getPoolSize());
242     p1.execute(new MediumRunnable());
243     assertEquals(1, p1.getPoolSize());
244     joinPool(p1);
245 dl 1.1 }
246 jsr166 1.24
247 dl 1.1 /**
248 dl 1.8 * getTaskCount increases, but doesn't overestimate, when tasks submitted
249 dl 1.1 */
250 jsr166 1.27 public void testGetTaskCount() throws InterruptedException {
251     ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
252     assertEquals(0, p1.getTaskCount());
253     p1.execute(new MediumRunnable());
254     Thread.sleep(SHORT_DELAY_MS);
255     assertEquals(1, p1.getTaskCount());
256 dl 1.5 joinPool(p1);
257 dl 1.1 }
258 jsr166 1.24
259 dl 1.1 /**
260 dl 1.6 * isShutDown is false before shutdown, true after
261 dl 1.1 */
262 dl 1.5 public void testIsShutdown() {
263 jsr166 1.24
264 jsr166 1.27 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
265 dl 1.5 assertFalse(p1.isShutdown());
266 jsr166 1.25 try { p1.shutdown(); } catch (SecurityException ok) { return; }
267 dl 1.5 assertTrue(p1.isShutdown());
268     joinPool(p1);
269 dl 1.1 }
270    
271 jsr166 1.24
272 dl 1.1 /**
273 dl 1.6 * isTerminated is false before termination, true after
274 dl 1.1 */
275 jsr166 1.27 public void testIsTerminated() throws InterruptedException {
276     ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
277 dl 1.6 assertFalse(p1.isTerminated());
278 dl 1.1 try {
279 dl 1.5 p1.execute(new MediumRunnable());
280 dl 1.1 } finally {
281 jsr166 1.25 try { p1.shutdown(); } catch (SecurityException ok) { return; }
282 dl 1.1 }
283 jsr166 1.27 assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
284     assertTrue(p1.isTerminated());
285 dl 1.5 }
286    
287     /**
288 dl 1.6 * isTerminating is not true when running or when terminated
289 dl 1.5 */
290 jsr166 1.27 public void testIsTerminating() throws InterruptedException {
291     ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
292 dl 1.5 assertFalse(p1.isTerminating());
293     try {
294     p1.execute(new SmallRunnable());
295     assertFalse(p1.isTerminating());
296     } finally {
297 jsr166 1.25 try { p1.shutdown(); } catch (SecurityException ok) { return; }
298 dl 1.5 }
299 jsr166 1.27 assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
300     assertTrue(p1.isTerminated());
301     assertFalse(p1.isTerminating());
302 dl 1.1 }
303    
304     /**
305 dl 1.8 * getQueue returns the work queue, which contains queued tasks
306     */
307 jsr166 1.27 public void testGetQueue() throws InterruptedException {
308 dl 1.8 BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
309 jsr166 1.27 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, q);
310 dl 1.11 FutureTask[] tasks = new FutureTask[5];
311 jsr166 1.26 for (int i = 0; i < 5; i++) {
312 dl 1.11 tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
313 dl 1.8 p1.execute(tasks[i]);
314     }
315     try {
316     Thread.sleep(SHORT_DELAY_MS);
317     BlockingQueue<Runnable> wq = p1.getQueue();
318     assertSame(q, wq);
319     assertFalse(wq.contains(tasks[0]));
320     assertTrue(wq.contains(tasks[4]));
321 dl 1.22 for (int i = 1; i < 5; ++i)
322     tasks[i].cancel(true);
323     p1.shutdownNow();
324 dl 1.8 } finally {
325     joinPool(p1);
326     }
327     }
328    
329     /**
330     * remove(task) removes queued task, and fails to remove active task
331     */
332 jsr166 1.27 public void testRemove() throws InterruptedException {
333 dl 1.8 BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
334 jsr166 1.27 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, q);
335 dl 1.11 FutureTask[] tasks = new FutureTask[5];
336 jsr166 1.26 for (int i = 0; i < 5; i++) {
337 dl 1.11 tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
338 dl 1.8 p1.execute(tasks[i]);
339     }
340     try {
341     Thread.sleep(SHORT_DELAY_MS);
342     assertFalse(p1.remove(tasks[0]));
343     assertTrue(q.contains(tasks[4]));
344     assertTrue(q.contains(tasks[3]));
345     assertTrue(p1.remove(tasks[4]));
346     assertFalse(p1.remove(tasks[4]));
347     assertFalse(q.contains(tasks[4]));
348     assertTrue(q.contains(tasks[3]));
349     assertTrue(p1.remove(tasks[3]));
350     assertFalse(q.contains(tasks[3]));
351     } finally {
352     joinPool(p1);
353     }
354     }
355    
356     /**
357 dl 1.6 * purge removes cancelled tasks from the queue
358 dl 1.1 */
359 dl 1.5 public void testPurge() {
360 jsr166 1.27 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
361 dl 1.11 FutureTask[] tasks = new FutureTask[5];
362 jsr166 1.26 for (int i = 0; i < 5; i++) {
363 dl 1.11 tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
364 dl 1.5 p1.execute(tasks[i]);
365 dl 1.3 }
366     tasks[4].cancel(true);
367     tasks[3].cancel(true);
368 dl 1.5 p1.purge();
369     long count = p1.getTaskCount();
370 dl 1.3 assertTrue(count >= 2 && count < 5);
371 dl 1.5 joinPool(p1);
372 dl 1.1 }
373    
374     /**
375 dl 1.6 * shutDownNow returns a list containing tasks that were not run
376 dl 1.1 */
377 dl 1.5 public void testShutDownNow() {
378 jsr166 1.27 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
379 dl 1.1 List l;
380     try {
381 jsr166 1.25 for (int i = 0; i < 5; i++)
382 dl 1.5 p1.execute(new MediumPossiblyInterruptedRunnable());
383 dl 1.1 }
384     finally {
385 dl 1.17 try {
386     l = p1.shutdownNow();
387     } catch (SecurityException ok) { return; }
388 jsr166 1.24
389 dl 1.1 }
390 dl 1.5 assertTrue(p1.isShutdown());
391 dl 1.1 assertTrue(l.size() <= 4);
392     }
393    
394     // Exception Tests
395    
396 jsr166 1.24
397     /**
398     * Constructor throws if corePoolSize argument is less than zero
399 dl 1.6 */
400 dl 1.1 public void testConstructor1() {
401 dl 1.5 try {
402 jsr166 1.27 new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
403 dl 1.5 shouldThrow();
404 jsr166 1.28 } catch (IllegalArgumentException success) {}
405 dl 1.1 }
406 jsr166 1.24
407     /**
408     * Constructor throws if maximumPoolSize is less than zero
409 dl 1.6 */
410 dl 1.1 public void testConstructor2() {
411 dl 1.5 try {
412 jsr166 1.27 new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
413 dl 1.5 shouldThrow();
414 jsr166 1.28 } catch (IllegalArgumentException success) {}
415 dl 1.1 }
416 jsr166 1.24
417     /**
418     * Constructor throws if maximumPoolSize is equal to zero
419 dl 1.6 */
420 dl 1.1 public void testConstructor3() {
421 dl 1.5 try {
422 jsr166 1.27 new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
423 dl 1.5 shouldThrow();
424 jsr166 1.28 } catch (IllegalArgumentException success) {}
425 dl 1.1 }
426    
427 jsr166 1.24 /**
428     * Constructor throws if keepAliveTime is less than zero
429 dl 1.6 */
430 dl 1.1 public void testConstructor4() {
431 dl 1.5 try {
432 jsr166 1.27 new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
433 dl 1.5 shouldThrow();
434 jsr166 1.28 } catch (IllegalArgumentException success) {}
435 dl 1.1 }
436    
437 jsr166 1.24 /**
438     * Constructor throws if corePoolSize is greater than the maximumPoolSize
439 dl 1.6 */
440 dl 1.1 public void testConstructor5() {
441 dl 1.5 try {
442 jsr166 1.27 new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
443 dl 1.5 shouldThrow();
444 jsr166 1.28 } catch (IllegalArgumentException success) {}
445 dl 1.1 }
446 jsr166 1.24
447     /**
448     * Constructor throws if workQueue is set to null
449 dl 1.6 */
450 dl 1.8 public void testConstructorNullPointerException() {
451 dl 1.5 try {
452 jsr166 1.27 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null);
453 dl 1.5 shouldThrow();
454 jsr166 1.28 } catch (NullPointerException success) {}
455 dl 1.1 }
456    
457 jsr166 1.24
458    
459     /**
460     * Constructor throws if corePoolSize argument is less than zero
461 dl 1.6 */
462 dl 1.1 public void testConstructor6() {
463 dl 1.5 try {
464 jsr166 1.27 new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
465 dl 1.5 shouldThrow();
466 jsr166 1.28 } catch (IllegalArgumentException success) {}
467 dl 1.1 }
468 jsr166 1.24
469     /**
470     * Constructor throws if maximumPoolSize is less than zero
471 dl 1.6 */
472 dl 1.1 public void testConstructor7() {
473 dl 1.5 try {
474 jsr166 1.27 new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
475 dl 1.5 shouldThrow();
476 jsr166 1.28 } catch (IllegalArgumentException success) {}
477 dl 1.1 }
478    
479 jsr166 1.24 /**
480     * Constructor throws if maximumPoolSize is equal to zero
481 dl 1.6 */
482 dl 1.1 public void testConstructor8() {
483 dl 1.5 try {
484 jsr166 1.27 new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
485 dl 1.5 shouldThrow();
486 jsr166 1.28 } catch (IllegalArgumentException success) {}
487 dl 1.1 }
488    
489 jsr166 1.24 /**
490     * Constructor throws if keepAliveTime is less than zero
491 dl 1.6 */
492 dl 1.1 public void testConstructor9() {
493 dl 1.5 try {
494 jsr166 1.27 new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
495 dl 1.5 shouldThrow();
496 jsr166 1.28 } catch (IllegalArgumentException success) {}
497 dl 1.1 }
498    
499 jsr166 1.24 /**
500     * Constructor throws if corePoolSize is greater than the maximumPoolSize
501 dl 1.6 */
502 dl 1.1 public void testConstructor10() {
503 dl 1.5 try {
504 jsr166 1.27 new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
505 dl 1.5 shouldThrow();
506 jsr166 1.28 } catch (IllegalArgumentException success) {}
507 dl 1.1 }
508    
509 jsr166 1.24 /**
510     * Constructor throws if workQueue is set to null
511 dl 1.6 */
512 dl 1.8 public void testConstructorNullPointerException2() {
513 dl 1.5 try {
514 jsr166 1.27 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory());
515 dl 1.5 shouldThrow();
516 jsr166 1.28 } catch (NullPointerException success) {}
517 dl 1.1 }
518    
519 jsr166 1.24 /**
520     * Constructor throws if threadFactory is set to null
521 dl 1.6 */
522 dl 1.8 public void testConstructorNullPointerException3() {
523 dl 1.5 try {
524 dl 1.1 ThreadFactory f = null;
525 jsr166 1.27 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
526 dl 1.5 shouldThrow();
527 jsr166 1.28 } catch (NullPointerException success) {}
528 dl 1.1 }
529 jsr166 1.24
530    
531     /**
532     * Constructor throws if corePoolSize argument is less than zero
533 dl 1.6 */
534 dl 1.1 public void testConstructor11() {
535 dl 1.5 try {
536 jsr166 1.27 new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
537 dl 1.5 shouldThrow();
538 jsr166 1.28 } catch (IllegalArgumentException success) {}
539 dl 1.1 }
540    
541 jsr166 1.24 /**
542     * Constructor throws if maximumPoolSize is less than zero
543 dl 1.6 */
544 dl 1.1 public void testConstructor12() {
545 dl 1.5 try {
546 jsr166 1.27 new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
547 dl 1.5 shouldThrow();
548 jsr166 1.28 } catch (IllegalArgumentException success) {}
549 dl 1.1 }
550    
551 jsr166 1.24 /**
552     * Constructor throws if maximumPoolSize is equal to zero
553 dl 1.6 */
554 dl 1.1 public void testConstructor13() {
555 dl 1.5 try {
556 jsr166 1.27 new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
557 dl 1.5 shouldThrow();
558 jsr166 1.28 } catch (IllegalArgumentException success) {}
559 dl 1.1 }
560    
561 jsr166 1.24 /**
562     * Constructor throws if keepAliveTime is less than zero
563 dl 1.6 */
564 dl 1.1 public void testConstructor14() {
565 dl 1.5 try {
566 jsr166 1.27 new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
567 dl 1.5 shouldThrow();
568 jsr166 1.28 } catch (IllegalArgumentException success) {}
569 dl 1.1 }
570    
571 jsr166 1.24 /**
572     * Constructor throws if corePoolSize is greater than the maximumPoolSize
573 dl 1.6 */
574 dl 1.1 public void testConstructor15() {
575 dl 1.5 try {
576 jsr166 1.27 new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
577 dl 1.5 shouldThrow();
578 jsr166 1.28 } catch (IllegalArgumentException success) {}
579 dl 1.1 }
580    
581 jsr166 1.24 /**
582     * Constructor throws if workQueue is set to null
583 dl 1.6 */
584 dl 1.8 public void testConstructorNullPointerException4() {
585 dl 1.5 try {
586 jsr166 1.27 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null,new NoOpREHandler());
587 dl 1.5 shouldThrow();
588 jsr166 1.28 } catch (NullPointerException success) {}
589 dl 1.1 }
590    
591 jsr166 1.24 /**
592     * Constructor throws if handler is set to null
593 dl 1.6 */
594 dl 1.8 public void testConstructorNullPointerException5() {
595 dl 1.5 try {
596 dl 1.1 RejectedExecutionHandler r = null;
597 jsr166 1.27 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
598 dl 1.5 shouldThrow();
599 jsr166 1.28 } catch (NullPointerException success) {}
600 dl 1.1 }
601    
602 jsr166 1.24
603     /**
604     * Constructor throws if corePoolSize argument is less than zero
605 dl 1.6 */
606 dl 1.1 public void testConstructor16() {
607 dl 1.5 try {
608 jsr166 1.27 new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
609 dl 1.5 shouldThrow();
610 jsr166 1.28 } catch (IllegalArgumentException success) {}
611 dl 1.1 }
612    
613 jsr166 1.24 /**
614     * Constructor throws if maximumPoolSize is less than zero
615 dl 1.6 */
616 dl 1.1 public void testConstructor17() {
617 dl 1.5 try {
618 jsr166 1.27 new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
619 dl 1.5 shouldThrow();
620 jsr166 1.28 } catch (IllegalArgumentException success) {}
621 dl 1.1 }
622    
623 jsr166 1.24 /**
624     * Constructor throws if maximumPoolSize is equal to zero
625 dl 1.6 */
626 dl 1.1 public void testConstructor18() {
627 dl 1.5 try {
628 jsr166 1.27 new ThreadPoolExecutor(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
629 dl 1.5 shouldThrow();
630 jsr166 1.28 } catch (IllegalArgumentException success) {}
631 dl 1.1 }
632    
633 jsr166 1.24 /**
634     * Constructor throws if keepAliveTime is less than zero
635 dl 1.6 */
636 dl 1.1 public void testConstructor19() {
637 dl 1.5 try {
638 jsr166 1.27 new ThreadPoolExecutor(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
639 dl 1.5 shouldThrow();
640 jsr166 1.28 } catch (IllegalArgumentException success) {}
641 dl 1.1 }
642    
643 jsr166 1.24 /**
644     * Constructor throws if corePoolSize is greater than the maximumPoolSize
645 dl 1.6 */
646 dl 1.1 public void testConstructor20() {
647 dl 1.5 try {
648 jsr166 1.27 new ThreadPoolExecutor(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
649 dl 1.5 shouldThrow();
650 jsr166 1.28 } catch (IllegalArgumentException success) {}
651 dl 1.1 }
652    
653 jsr166 1.24 /**
654     * Constructor throws if workQueue is set to null
655 dl 1.6 */
656 dl 1.8 public void testConstructorNullPointerException6() {
657 dl 1.5 try {
658 jsr166 1.27 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
659 dl 1.5 shouldThrow();
660 jsr166 1.28 } catch (NullPointerException success) {}
661 dl 1.1 }
662    
663 jsr166 1.24 /**
664     * Constructor throws if handler is set to null
665 dl 1.6 */
666 dl 1.8 public void testConstructorNullPointerException7() {
667 dl 1.5 try {
668 dl 1.1 RejectedExecutionHandler r = null;
669 jsr166 1.27 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
670 dl 1.5 shouldThrow();
671 jsr166 1.28 } catch (NullPointerException success) {}
672 dl 1.1 }
673    
674 jsr166 1.24 /**
675     * Constructor throws if ThreadFactory is set top null
676 dl 1.6 */
677 dl 1.8 public void testConstructorNullPointerException8() {
678 dl 1.5 try {
679 dl 1.1 ThreadFactory f = null;
680 jsr166 1.27 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
681 dl 1.5 shouldThrow();
682 jsr166 1.28 } catch (NullPointerException success) {}
683 dl 1.1 }
684 jsr166 1.24
685 dl 1.1
686     /**
687 dl 1.8 * execute throws RejectedExecutionException
688     * if saturated.
689     */
690     public void testSaturatedExecute() {
691 jsr166 1.27 ThreadPoolExecutor p =
692     new ThreadPoolExecutor(1, 1,
693     LONG_DELAY_MS, MILLISECONDS,
694     new ArrayBlockingQueue<Runnable>(1));
695 dl 1.8 try {
696 jsr166 1.27 for (int i = 0; i < 2; ++i)
697 dl 1.8 p.execute(new MediumRunnable());
698 jsr166 1.27 for (int i = 0; i < 2; ++i) {
699     try {
700     p.execute(new MediumRunnable());
701     shouldThrow();
702     } catch (RejectedExecutionException success) {}
703 dl 1.8 }
704 jsr166 1.27 } finally {
705     joinPool(p);
706     }
707 dl 1.8 }
708    
709     /**
710     * executor using CallerRunsPolicy runs task if saturated.
711     */
712     public void testSaturatedExecute2() {
713     RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
714 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
715 dl 1.8 try {
716 jsr166 1.24
717 dl 1.8 TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
718 jsr166 1.26 for (int i = 0; i < 5; ++i) {
719 dl 1.8 tasks[i] = new TrackedNoOpRunnable();
720     }
721     TrackedLongRunnable mr = new TrackedLongRunnable();
722     p.execute(mr);
723 jsr166 1.26 for (int i = 0; i < 5; ++i) {
724 dl 1.8 p.execute(tasks[i]);
725     }
726 jsr166 1.25 for (int i = 1; i < 5; ++i) {
727 dl 1.8 assertTrue(tasks[i].done);
728     }
729 jsr166 1.25 try { p.shutdownNow(); } catch (SecurityException ok) { return; }
730 dl 1.8 } finally {
731     joinPool(p);
732     }
733     }
734    
735     /**
736     * executor using DiscardPolicy drops task if saturated.
737     */
738     public void testSaturatedExecute3() {
739     RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
740 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
741 dl 1.8 try {
742 jsr166 1.24
743 dl 1.8 TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
744 jsr166 1.26 for (int i = 0; i < 5; ++i) {
745 dl 1.8 tasks[i] = new TrackedNoOpRunnable();
746     }
747     p.execute(new TrackedLongRunnable());
748 jsr166 1.26 for (int i = 0; i < 5; ++i) {
749 dl 1.8 p.execute(tasks[i]);
750     }
751 jsr166 1.26 for (int i = 0; i < 5; ++i) {
752 dl 1.8 assertFalse(tasks[i].done);
753     }
754 jsr166 1.25 try { p.shutdownNow(); } catch (SecurityException ok) { return; }
755 dl 1.8 } finally {
756     joinPool(p);
757     }
758     }
759    
760     /**
761     * executor using DiscardOldestPolicy drops oldest task if saturated.
762     */
763     public void testSaturatedExecute4() {
764     RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
765 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
766 dl 1.8 try {
767     p.execute(new TrackedLongRunnable());
768     TrackedLongRunnable r2 = new TrackedLongRunnable();
769     p.execute(r2);
770     assertTrue(p.getQueue().contains(r2));
771     TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
772     p.execute(r3);
773     assertFalse(p.getQueue().contains(r2));
774     assertTrue(p.getQueue().contains(r3));
775 jsr166 1.25 try { p.shutdownNow(); } catch (SecurityException ok) { return; }
776 dl 1.8 } finally {
777     joinPool(p);
778     }
779     }
780    
781     /**
782 dl 1.6 * execute throws RejectedExecutionException if shutdown
783 dl 1.1 */
784 dl 1.8 public void testRejectedExecutionExceptionOnShutdown() {
785 jsr166 1.24 ThreadPoolExecutor tpe =
786 jsr166 1.27 new ThreadPoolExecutor(1,1,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
787 jsr166 1.25 try { tpe.shutdown(); } catch (SecurityException ok) { return; }
788 dl 1.5 try {
789 dl 1.3 tpe.execute(new NoOpRunnable());
790 dl 1.5 shouldThrow();
791 jsr166 1.26 } catch (RejectedExecutionException success) {}
792 jsr166 1.24
793 dl 1.3 joinPool(tpe);
794 dl 1.1 }
795 dl 1.6
796     /**
797 dl 1.8 * execute using CallerRunsPolicy drops task on shutdown
798     */
799     public void testCallerRunsOnShutdown() {
800     RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
801 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
802 dl 1.8
803 jsr166 1.25 try { p.shutdown(); } catch (SecurityException ok) { return; }
804 dl 1.8 try {
805     TrackedNoOpRunnable r = new TrackedNoOpRunnable();
806     p.execute(r);
807     assertFalse(r.done);
808     } finally {
809     joinPool(p);
810     }
811     }
812    
813     /**
814     * execute using DiscardPolicy drops task on shutdown
815     */
816     public void testDiscardOnShutdown() {
817     RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
818 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
819 dl 1.8
820 jsr166 1.25 try { p.shutdown(); } catch (SecurityException ok) { return; }
821 dl 1.8 try {
822     TrackedNoOpRunnable r = new TrackedNoOpRunnable();
823     p.execute(r);
824     assertFalse(r.done);
825     } finally {
826     joinPool(p);
827     }
828     }
829    
830    
831     /**
832     * execute using DiscardOldestPolicy drops task on shutdown
833 dl 1.6 */
834 dl 1.8 public void testDiscardOldestOnShutdown() {
835     RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
836 jsr166 1.27 ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
837 dl 1.8
838 jsr166 1.25 try { p.shutdown(); } catch (SecurityException ok) { return; }
839 dl 1.8 try {
840     TrackedNoOpRunnable r = new TrackedNoOpRunnable();
841     p.execute(r);
842     assertFalse(r.done);
843     } finally {
844     joinPool(p);
845     }
846 dl 1.6 }
847    
848 dl 1.8
849 dl 1.6 /**
850     * execute (null) throws NPE
851     */
852     public void testExecuteNull() {
853 jsr166 1.28 ThreadPoolExecutor tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
854 dl 1.6 try {
855     tpe.execute(null);
856     shouldThrow();
857 jsr166 1.26 } catch (NullPointerException success) {}
858 jsr166 1.24
859 dl 1.6 joinPool(tpe);
860     }
861 jsr166 1.24
862 dl 1.1 /**
863 dl 1.8 * setCorePoolSize of negative value throws IllegalArgumentException
864 dl 1.1 */
865 dl 1.5 public void testCorePoolSizeIllegalArgumentException() {
866 jsr166 1.27 ThreadPoolExecutor tpe =
867     new ThreadPoolExecutor(1, 2,
868     LONG_DELAY_MS, MILLISECONDS,
869     new ArrayBlockingQueue<Runnable>(10));
870 dl 1.5 try {
871 dl 1.1 tpe.setCorePoolSize(-1);
872 dl 1.5 shouldThrow();
873 jsr166 1.26 } catch (IllegalArgumentException success) {
874 dl 1.1 } finally {
875 jsr166 1.25 try { tpe.shutdown(); } catch (SecurityException ok) { return; }
876 dl 1.1 }
877 dl 1.3 joinPool(tpe);
878 jsr166 1.24 }
879 dl 1.1
880     /**
881 dl 1.6 * setMaximumPoolSize(int) throws IllegalArgumentException if
882     * given a value less the core pool size
883 jsr166 1.24 */
884 dl 1.5 public void testMaximumPoolSizeIllegalArgumentException() {
885 jsr166 1.27 ThreadPoolExecutor tpe =
886     new ThreadPoolExecutor(2, 3,
887     LONG_DELAY_MS, MILLISECONDS,
888     new ArrayBlockingQueue<Runnable>(10));
889 dl 1.5 try {
890 dl 1.1 tpe.setMaximumPoolSize(1);
891 dl 1.5 shouldThrow();
892 jsr166 1.26 } catch (IllegalArgumentException success) {
893 dl 1.1 } finally {
894 jsr166 1.25 try { tpe.shutdown(); } catch (SecurityException ok) { return; }
895 dl 1.1 }
896 dl 1.3 joinPool(tpe);
897 dl 1.1 }
898 jsr166 1.24
899 dl 1.1 /**
900 dl 1.6 * setMaximumPoolSize throws IllegalArgumentException
901     * if given a negative value
902 dl 1.1 */
903 dl 1.5 public void testMaximumPoolSizeIllegalArgumentException2() {
904 jsr166 1.27 ThreadPoolExecutor tpe =
905     new ThreadPoolExecutor(2, 3,
906     LONG_DELAY_MS, MILLISECONDS,
907     new ArrayBlockingQueue<Runnable>(10));
908 dl 1.5 try {
909 dl 1.1 tpe.setMaximumPoolSize(-1);
910 dl 1.5 shouldThrow();
911 jsr166 1.26 } catch (IllegalArgumentException success) {
912 dl 1.1 } finally {
913 jsr166 1.25 try { tpe.shutdown(); } catch (SecurityException ok) { return; }
914 dl 1.1 }
915 dl 1.3 joinPool(tpe);
916 dl 1.1 }
917 jsr166 1.24
918 dl 1.1
919     /**
920 dl 1.6 * setKeepAliveTime throws IllegalArgumentException
921 dl 1.1 * when given a negative value
922     */
923 dl 1.5 public void testKeepAliveTimeIllegalArgumentException() {
924 jsr166 1.27 ThreadPoolExecutor tpe =
925     new ThreadPoolExecutor(2, 3,
926     LONG_DELAY_MS, MILLISECONDS,
927     new ArrayBlockingQueue<Runnable>(10));
928 dl 1.5 try {
929 jsr166 1.27 tpe.setKeepAliveTime(-1,MILLISECONDS);
930 dl 1.5 shouldThrow();
931 jsr166 1.26 } catch (IllegalArgumentException success) {
932 dl 1.1 } finally {
933 jsr166 1.25 try { tpe.shutdown(); } catch (SecurityException ok) { return; }
934 dl 1.1 }
935 dl 1.3 joinPool(tpe);
936 dl 1.1 }
937 dl 1.8
938     /**
939     * terminated() is called on termination
940     */
941     public void testTerminated() {
942     ExtendedTPE tpe = new ExtendedTPE();
943 jsr166 1.25 try { tpe.shutdown(); } catch (SecurityException ok) { return; }
944 dl 1.8 assertTrue(tpe.terminatedCalled);
945     joinPool(tpe);
946     }
947    
948     /**
949     * beforeExecute and afterExecute are called when executing task
950     */
951 jsr166 1.27 public void testBeforeAfter() throws InterruptedException {
952 dl 1.8 ExtendedTPE tpe = new ExtendedTPE();
953     try {
954     TrackedNoOpRunnable r = new TrackedNoOpRunnable();
955     tpe.execute(r);
956     Thread.sleep(SHORT_DELAY_MS);
957     assertTrue(r.done);
958     assertTrue(tpe.beforeCalled);
959     assertTrue(tpe.afterCalled);
960 jsr166 1.25 try { tpe.shutdown(); } catch (SecurityException ok) { return; }
961 dl 1.8 } finally {
962     joinPool(tpe);
963     }
964     }
965 dl 1.12
966     /**
967     * completed submit of callable returns result
968     */
969 jsr166 1.27 public void testSubmitCallable() throws Exception {
970     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
971 dl 1.12 try {
972     Future<String> future = e.submit(new StringTask());
973     String result = future.get();
974     assertSame(TEST_STRING, result);
975     } finally {
976     joinPool(e);
977     }
978     }
979    
980     /**
981     * completed submit of runnable returns successfully
982     */
983 jsr166 1.27 public void testSubmitRunnable() throws Exception {
984     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
985 dl 1.12 try {
986     Future<?> future = e.submit(new NoOpRunnable());
987     future.get();
988     assertTrue(future.isDone());
989     } finally {
990     joinPool(e);
991     }
992     }
993    
994     /**
995     * completed submit of (runnable, result) returns result
996     */
997 jsr166 1.27 public void testSubmitRunnable2() throws Exception {
998     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
999 dl 1.12 try {
1000     Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1001     String result = future.get();
1002     assertSame(TEST_STRING, result);
1003     } finally {
1004     joinPool(e);
1005     }
1006     }
1007    
1008    
1009     /**
1010     * invokeAny(null) throws NPE
1011     */
1012 jsr166 1.27 public void testInvokeAny1() throws Exception {
1013     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1014 dl 1.12 try {
1015     e.invokeAny(null);
1016 jsr166 1.27 shouldThrow();
1017 dl 1.12 } catch (NullPointerException success) {
1018     } finally {
1019     joinPool(e);
1020     }
1021     }
1022    
1023     /**
1024     * invokeAny(empty collection) throws IAE
1025     */
1026 jsr166 1.27 public void testInvokeAny2() throws Exception {
1027     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1028 dl 1.12 try {
1029     e.invokeAny(new ArrayList<Callable<String>>());
1030 jsr166 1.27 shouldThrow();
1031 dl 1.12 } catch (IllegalArgumentException success) {
1032     } finally {
1033     joinPool(e);
1034     }
1035     }
1036    
1037     /**
1038     * invokeAny(c) throws NPE if c has null elements
1039     */
1040 jsr166 1.27 public void testInvokeAny3() throws Exception {
1041     final CountDownLatch latch = new CountDownLatch(1);
1042     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1043 dl 1.12 try {
1044     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1045 jsr166 1.27 l.add(new CheckedCallable<String>() {
1046     public String realCall() throws InterruptedException {
1047     latch.await();
1048     return TEST_STRING;
1049     }});
1050 dl 1.12 l.add(null);
1051     e.invokeAny(l);
1052 jsr166 1.27 shouldThrow();
1053 dl 1.12 } catch (NullPointerException success) {
1054     } finally {
1055 jsr166 1.27 latch.countDown();
1056 dl 1.12 joinPool(e);
1057     }
1058     }
1059    
1060     /**
1061     * invokeAny(c) throws ExecutionException if no task completes
1062     */
1063 jsr166 1.27 public void testInvokeAny4() throws Exception {
1064     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1065 dl 1.12 try {
1066     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1067     l.add(new NPETask());
1068     e.invokeAny(l);
1069 jsr166 1.27 shouldThrow();
1070 dl 1.12 } catch (ExecutionException success) {
1071 jsr166 1.27 assertTrue(success.getCause() instanceof NullPointerException);
1072 dl 1.12 } finally {
1073     joinPool(e);
1074     }
1075     }
1076    
1077     /**
1078     * invokeAny(c) returns result of some task
1079     */
1080 jsr166 1.27 public void testInvokeAny5() throws Exception {
1081     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1082 dl 1.12 try {
1083     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1084     l.add(new StringTask());
1085     l.add(new StringTask());
1086     String result = e.invokeAny(l);
1087     assertSame(TEST_STRING, result);
1088     } finally {
1089     joinPool(e);
1090     }
1091     }
1092    
1093     /**
1094     * invokeAll(null) throws NPE
1095     */
1096 jsr166 1.27 public void testInvokeAll1() throws Exception {
1097     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1098 dl 1.12 try {
1099     e.invokeAll(null);
1100 jsr166 1.27 shouldThrow();
1101 dl 1.12 } catch (NullPointerException success) {
1102     } finally {
1103     joinPool(e);
1104     }
1105     }
1106    
1107     /**
1108     * invokeAll(empty collection) returns empty collection
1109     */
1110 jsr166 1.27 public void testInvokeAll2() throws InterruptedException {
1111     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1112 dl 1.12 try {
1113     List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1114     assertTrue(r.isEmpty());
1115     } finally {
1116     joinPool(e);
1117     }
1118     }
1119    
1120     /**
1121     * invokeAll(c) throws NPE if c has null elements
1122     */
1123 jsr166 1.27 public void testInvokeAll3() throws Exception {
1124     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1125 dl 1.12 try {
1126     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1127     l.add(new StringTask());
1128     l.add(null);
1129     e.invokeAll(l);
1130 jsr166 1.27 shouldThrow();
1131 dl 1.12 } catch (NullPointerException success) {
1132     } finally {
1133     joinPool(e);
1134     }
1135     }
1136    
1137     /**
1138     * get of element of invokeAll(c) throws exception on failed task
1139     */
1140 jsr166 1.27 public void testInvokeAll4() throws Exception {
1141     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1142 dl 1.12 try {
1143     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1144     l.add(new NPETask());
1145     List<Future<String>> result = e.invokeAll(l);
1146     assertEquals(1, result.size());
1147 jsr166 1.27 for (Future<String> future : result) {
1148     try {
1149     future.get();
1150     shouldThrow();
1151     } catch (ExecutionException success) {
1152     Throwable cause = success.getCause();
1153     assertTrue(cause instanceof NullPointerException);
1154     }
1155     }
1156 dl 1.12 } finally {
1157     joinPool(e);
1158     }
1159     }
1160    
1161     /**
1162     * invokeAll(c) returns results of all completed tasks
1163     */
1164 jsr166 1.27 public void testInvokeAll5() throws Exception {
1165     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1166 dl 1.12 try {
1167     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1168     l.add(new StringTask());
1169     l.add(new StringTask());
1170     List<Future<String>> result = e.invokeAll(l);
1171     assertEquals(2, result.size());
1172 jsr166 1.27 for (Future<String> future : result)
1173     assertSame(TEST_STRING, future.get());
1174 dl 1.12 } finally {
1175     joinPool(e);
1176     }
1177     }
1178    
1179    
1180 dl 1.13
1181     /**
1182     * timed invokeAny(null) throws NPE
1183     */
1184 jsr166 1.27 public void testTimedInvokeAny1() throws Exception {
1185     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1186 dl 1.13 try {
1187 jsr166 1.27 e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1188     shouldThrow();
1189 dl 1.13 } catch (NullPointerException success) {
1190     } finally {
1191     joinPool(e);
1192     }
1193     }
1194    
1195     /**
1196     * timed invokeAny(,,null) throws NPE
1197     */
1198 jsr166 1.27 public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1199     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1200 dl 1.13 try {
1201     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1202     l.add(new StringTask());
1203     e.invokeAny(l, MEDIUM_DELAY_MS, null);
1204 jsr166 1.27 shouldThrow();
1205 dl 1.13 } catch (NullPointerException success) {
1206     } finally {
1207     joinPool(e);
1208     }
1209     }
1210    
1211     /**
1212     * timed invokeAny(empty collection) throws IAE
1213     */
1214 jsr166 1.27 public void testTimedInvokeAny2() throws Exception {
1215     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1216 dl 1.13 try {
1217 jsr166 1.27 e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1218     shouldThrow();
1219 dl 1.13 } catch (IllegalArgumentException success) {
1220     } finally {
1221     joinPool(e);
1222     }
1223     }
1224    
1225     /**
1226     * timed invokeAny(c) throws NPE if c has null elements
1227     */
1228 jsr166 1.27 public void testTimedInvokeAny3() throws Exception {
1229     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1230 dl 1.13 try {
1231     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1232     l.add(new StringTask());
1233     l.add(null);
1234 jsr166 1.27 e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1235     shouldThrow();
1236 dl 1.13 } catch (NullPointerException success) {
1237     } finally {
1238     joinPool(e);
1239     }
1240     }
1241    
1242     /**
1243     * timed invokeAny(c) throws ExecutionException if no task completes
1244     */
1245 jsr166 1.27 public void testTimedInvokeAny4() throws Exception {
1246     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1247 dl 1.13 try {
1248     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1249     l.add(new NPETask());
1250 jsr166 1.27 e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1251     shouldThrow();
1252 jsr166 1.25 } catch (ExecutionException success) {
1253 jsr166 1.27 assertTrue(success.getCause() instanceof NullPointerException);
1254 dl 1.13 } finally {
1255     joinPool(e);
1256     }
1257     }
1258    
1259     /**
1260     * timed invokeAny(c) returns result of some task
1261     */
1262 jsr166 1.27 public void testTimedInvokeAny5() throws Exception {
1263     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1264 dl 1.13 try {
1265     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1266     l.add(new StringTask());
1267     l.add(new StringTask());
1268 jsr166 1.27 String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1269 dl 1.13 assertSame(TEST_STRING, result);
1270     } finally {
1271     joinPool(e);
1272     }
1273     }
1274    
1275     /**
1276     * timed invokeAll(null) throws NPE
1277     */
1278 jsr166 1.27 public void testTimedInvokeAll1() throws Exception {
1279     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1280 dl 1.13 try {
1281 jsr166 1.27 e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1282     shouldThrow();
1283 dl 1.13 } catch (NullPointerException success) {
1284     } finally {
1285     joinPool(e);
1286     }
1287     }
1288    
1289     /**
1290     * timed invokeAll(,,null) throws NPE
1291     */
1292 jsr166 1.27 public void testTimedInvokeAllNullTimeUnit() throws Exception {
1293     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1294 dl 1.13 try {
1295     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1296     l.add(new StringTask());
1297     e.invokeAll(l, MEDIUM_DELAY_MS, null);
1298 jsr166 1.27 shouldThrow();
1299 dl 1.13 } catch (NullPointerException success) {
1300     } finally {
1301     joinPool(e);
1302     }
1303     }
1304    
1305     /**
1306     * timed invokeAll(empty collection) returns empty collection
1307     */
1308 jsr166 1.27 public void testTimedInvokeAll2() throws InterruptedException {
1309     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1310 dl 1.13 try {
1311 jsr166 1.27 List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1312 dl 1.13 assertTrue(r.isEmpty());
1313     } finally {
1314     joinPool(e);
1315     }
1316     }
1317    
1318     /**
1319     * timed invokeAll(c) throws NPE if c has null elements
1320     */
1321 jsr166 1.27 public void testTimedInvokeAll3() throws Exception {
1322     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1323 dl 1.13 try {
1324     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1325     l.add(new StringTask());
1326     l.add(null);
1327 jsr166 1.27 e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1328     shouldThrow();
1329 dl 1.13 } catch (NullPointerException success) {
1330     } finally {
1331     joinPool(e);
1332     }
1333     }
1334    
1335     /**
1336     * get of element of invokeAll(c) throws exception on failed task
1337     */
1338 jsr166 1.27 public void testTimedInvokeAll4() throws Exception {
1339     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1340 dl 1.13 try {
1341     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1342     l.add(new NPETask());
1343 jsr166 1.27 List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1344 dl 1.13 assertEquals(1, result.size());
1345 jsr166 1.27 for (Future<String> future : result)
1346     future.get();
1347     shouldThrow();
1348 jsr166 1.25 } catch (ExecutionException success) {
1349 jsr166 1.27 assertTrue(success.getCause() instanceof NullPointerException);
1350 dl 1.13 } finally {
1351     joinPool(e);
1352     }
1353     }
1354    
1355     /**
1356     * timed invokeAll(c) returns results of all completed tasks
1357     */
1358 jsr166 1.27 public void testTimedInvokeAll5() throws Exception {
1359     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1360 dl 1.13 try {
1361     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1362     l.add(new StringTask());
1363     l.add(new StringTask());
1364 jsr166 1.27 List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1365 dl 1.13 assertEquals(2, result.size());
1366 jsr166 1.24 for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1367 dl 1.13 assertSame(TEST_STRING, it.next().get());
1368     } finally {
1369     joinPool(e);
1370     }
1371     }
1372    
1373     /**
1374     * timed invokeAll(c) cancels tasks not completed by timeout
1375     */
1376 jsr166 1.27 public void testTimedInvokeAll6() throws Exception {
1377     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1378 dl 1.13 try {
1379     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1380     l.add(new StringTask());
1381 dl 1.14 l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1382 dl 1.16 l.add(new StringTask());
1383 jsr166 1.27 List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1384 dl 1.16 assertEquals(3, result.size());
1385 jsr166 1.24 Iterator<Future<String>> it = result.iterator();
1386 dl 1.13 Future<String> f1 = it.next();
1387     Future<String> f2 = it.next();
1388 dl 1.16 Future<String> f3 = it.next();
1389 dl 1.13 assertTrue(f1.isDone());
1390 dl 1.16 assertTrue(f2.isDone());
1391     assertTrue(f3.isDone());
1392 dl 1.13 assertFalse(f1.isCancelled());
1393     assertTrue(f2.isCancelled());
1394     } finally {
1395     joinPool(e);
1396     }
1397     }
1398    
1399 dl 1.19 /**
1400     * Execution continues if there is at least one thread even if
1401     * thread factory fails to create more
1402     */
1403 jsr166 1.27 public void testFailingThreadFactory() throws InterruptedException {
1404     ExecutorService e = new ThreadPoolExecutor(100, 100, LONG_DELAY_MS, MILLISECONDS, new LinkedBlockingQueue<Runnable>(), new FailingThreadFactory());
1405 dl 1.19 try {
1406     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1407     for (int k = 0; k < 100; ++k) {
1408     e.execute(new NoOpRunnable());
1409     }
1410     Thread.sleep(LONG_DELAY_MS);
1411     } finally {
1412     joinPool(e);
1413     }
1414     }
1415 dl 1.21
1416     /**
1417     * allowsCoreThreadTimeOut is by default false.
1418     */
1419     public void testAllowsCoreThreadTimeOut() {
1420 jsr166 1.27 ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1421 dl 1.21 assertFalse(tpe.allowsCoreThreadTimeOut());
1422     joinPool(tpe);
1423     }
1424    
1425     /**
1426     * allowCoreThreadTimeOut(true) causes idle threads to time out
1427     */
1428 jsr166 1.27 public void testAllowCoreThreadTimeOut_true() throws InterruptedException {
1429     ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1430 dl 1.21 tpe.allowCoreThreadTimeOut(true);
1431     tpe.execute(new NoOpRunnable());
1432     try {
1433     Thread.sleep(MEDIUM_DELAY_MS);
1434     assertEquals(0, tpe.getPoolSize());
1435     } finally {
1436     joinPool(tpe);
1437     }
1438     }
1439    
1440     /**
1441     * allowCoreThreadTimeOut(false) causes idle threads not to time out
1442     */
1443 jsr166 1.27 public void testAllowCoreThreadTimeOut_false() throws InterruptedException {
1444     ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1445 dl 1.21 tpe.allowCoreThreadTimeOut(false);
1446     tpe.execute(new NoOpRunnable());
1447     try {
1448     Thread.sleep(MEDIUM_DELAY_MS);
1449     assertTrue(tpe.getPoolSize() >= 1);
1450     } finally {
1451     joinPool(tpe);
1452     }
1453     }
1454    
1455 dl 1.23 /**
1456     * execute allows the same task to be submitted multiple times, even
1457     * if rejected
1458     */
1459 jsr166 1.27 public void testRejectedRecycledTask() throws InterruptedException {
1460 dl 1.23 final int nTasks = 1000;
1461     final AtomicInteger nRun = new AtomicInteger(0);
1462     final Runnable recycledTask = new Runnable() {
1463     public void run() {
1464     nRun.getAndIncrement();
1465     } };
1466 jsr166 1.24 final ThreadPoolExecutor p =
1467     new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS,
1468 dl 1.23 new ArrayBlockingQueue(30));
1469     try {
1470     for (int i = 0; i < nTasks; ++i) {
1471     for (;;) {
1472     try {
1473     p.execute(recycledTask);
1474     break;
1475     }
1476     catch (RejectedExecutionException ignore) {
1477     }
1478     }
1479     }
1480     Thread.sleep(5000); // enough time to run all tasks
1481     assertEquals(nRun.get(), nTasks);
1482     } finally {
1483     p.shutdown();
1484     }
1485     }
1486 jsr166 1.24
1487 dl 1.1 }