1 |
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/* |
2 |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
4 |
< |
* http://creativecommons.org/licenses/publicdomain |
4 |
> |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
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* Pat Fisher, Mike Judd. |
7 |
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*/ |
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|
9 |
– |
import java.util.concurrent.*; |
9 |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
< |
import java.util.concurrent.locks.*; |
10 |
> |
import static java.util.concurrent.TimeUnit.SECONDS; |
11 |
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|
12 |
< |
import junit.framework.*; |
13 |
< |
import java.util.*; |
12 |
> |
import java.util.ArrayList; |
13 |
> |
import java.util.List; |
14 |
> |
import java.util.concurrent.ArrayBlockingQueue; |
15 |
> |
import java.util.concurrent.BlockingQueue; |
16 |
> |
import java.util.concurrent.Callable; |
17 |
> |
import java.util.concurrent.CancellationException; |
18 |
> |
import java.util.concurrent.CountDownLatch; |
19 |
> |
import java.util.concurrent.ExecutionException; |
20 |
> |
import java.util.concurrent.Executors; |
21 |
> |
import java.util.concurrent.ExecutorService; |
22 |
> |
import java.util.concurrent.Future; |
23 |
> |
import java.util.concurrent.FutureTask; |
24 |
> |
import java.util.concurrent.LinkedBlockingQueue; |
25 |
> |
import java.util.concurrent.RejectedExecutionException; |
26 |
> |
import java.util.concurrent.RejectedExecutionHandler; |
27 |
> |
import java.util.concurrent.RunnableFuture; |
28 |
> |
import java.util.concurrent.SynchronousQueue; |
29 |
> |
import java.util.concurrent.ThreadFactory; |
30 |
> |
import java.util.concurrent.ThreadPoolExecutor; |
31 |
> |
import java.util.concurrent.TimeoutException; |
32 |
> |
import java.util.concurrent.TimeUnit; |
33 |
> |
import java.util.concurrent.atomic.AtomicInteger; |
34 |
> |
import java.util.concurrent.locks.Condition; |
35 |
> |
import java.util.concurrent.locks.ReentrantLock; |
36 |
> |
|
37 |
> |
import junit.framework.Test; |
38 |
> |
import junit.framework.TestSuite; |
39 |
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|
40 |
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public class ThreadPoolExecutorSubclassTest extends JSR166TestCase { |
41 |
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public static void main(String[] args) { |
42 |
< |
junit.textui.TestRunner.run(suite()); |
42 |
> |
main(suite(), args); |
43 |
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} |
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public static Test suite() { |
45 |
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return new TestSuite(ThreadPoolExecutorSubclassTest.class); |
61 |
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CustomTask(final Runnable r, final V res) { |
62 |
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if (r == null) throw new NullPointerException(); |
63 |
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callable = new Callable<V>() { |
64 |
< |
public V call() throws Exception { r.run(); return res; }}; |
64 |
> |
public V call() throws Exception { r.run(); return res; }}; |
65 |
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} |
66 |
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public boolean isDone() { |
67 |
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lock.lock(); try { return done; } finally { lock.unlock() ; } |
84 |
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finally { lock.unlock() ; } |
85 |
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} |
86 |
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public void run() { |
63 |
– |
boolean runme; |
87 |
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lock.lock(); |
88 |
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try { |
89 |
< |
runme = !done; |
90 |
< |
if (!runme) |
91 |
< |
thread = Thread.currentThread(); |
89 |
> |
if (done) |
90 |
> |
return; |
91 |
> |
thread = Thread.currentThread(); |
92 |
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} |
93 |
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finally { lock.unlock() ; } |
71 |
– |
if (!runme) return; |
94 |
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V v = null; |
95 |
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Exception e = null; |
96 |
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try { |
101 |
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} |
102 |
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lock.lock(); |
103 |
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try { |
104 |
< |
result = v; |
105 |
< |
exception = e; |
106 |
< |
done = true; |
107 |
< |
thread = null; |
108 |
< |
cond.signalAll(); |
104 |
> |
if (!done) { |
105 |
> |
result = v; |
106 |
> |
exception = e; |
107 |
> |
done = true; |
108 |
> |
thread = null; |
109 |
> |
cond.signalAll(); |
110 |
> |
} |
111 |
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} |
112 |
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finally { lock.unlock(); } |
113 |
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} |
116 |
|
try { |
117 |
|
while (!done) |
118 |
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cond.await(); |
119 |
+ |
if (cancelled) |
120 |
+ |
throw new CancellationException(); |
121 |
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if (exception != null) |
122 |
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throw new ExecutionException(exception); |
123 |
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return result; |
129 |
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long nanos = unit.toNanos(timeout); |
130 |
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lock.lock(); |
131 |
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try { |
132 |
< |
for (;;) { |
133 |
< |
if (done) break; |
108 |
< |
if (nanos < 0) |
132 |
> |
while (!done) { |
133 |
> |
if (nanos <= 0L) |
134 |
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throw new TimeoutException(); |
135 |
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nanos = cond.awaitNanos(nanos); |
136 |
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} |
137 |
+ |
if (cancelled) |
138 |
+ |
throw new CancellationException(); |
139 |
|
if (exception != null) |
140 |
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throw new ExecutionException(exception); |
141 |
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return result; |
144 |
|
} |
145 |
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} |
146 |
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|
120 |
– |
|
147 |
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static class CustomTPE extends ThreadPoolExecutor { |
148 |
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protected <V> RunnableFuture<V> newTaskFor(Callable<V> c) { |
149 |
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return new CustomTask<V>(c); |
190 |
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workQueue, threadFactory, handler); |
191 |
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} |
192 |
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|
193 |
< |
volatile boolean beforeCalled = false; |
194 |
< |
volatile boolean afterCalled = false; |
195 |
< |
volatile boolean terminatedCalled = false; |
193 |
> |
final CountDownLatch beforeCalled = new CountDownLatch(1); |
194 |
> |
final CountDownLatch afterCalled = new CountDownLatch(1); |
195 |
> |
final CountDownLatch terminatedCalled = new CountDownLatch(1); |
196 |
> |
|
197 |
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public CustomTPE() { |
198 |
|
super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>()); |
199 |
|
} |
200 |
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protected void beforeExecute(Thread t, Runnable r) { |
201 |
< |
beforeCalled = true; |
201 |
> |
beforeCalled.countDown(); |
202 |
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} |
203 |
|
protected void afterExecute(Runnable r, Throwable t) { |
204 |
< |
afterCalled = true; |
204 |
> |
afterCalled.countDown(); |
205 |
|
} |
206 |
|
protected void terminated() { |
207 |
< |
terminatedCalled = true; |
207 |
> |
terminatedCalled.countDown(); |
208 |
|
} |
209 |
|
|
210 |
+ |
public boolean beforeCalled() { |
211 |
+ |
return beforeCalled.getCount() == 0; |
212 |
+ |
} |
213 |
+ |
public boolean afterCalled() { |
214 |
+ |
return afterCalled.getCount() == 0; |
215 |
+ |
} |
216 |
+ |
public boolean terminatedCalled() { |
217 |
+ |
return terminatedCalled.getCount() == 0; |
218 |
+ |
} |
219 |
|
} |
220 |
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|
221 |
|
static class FailingThreadFactory implements ThreadFactory { |
226 |
|
} |
227 |
|
} |
228 |
|
|
193 |
– |
|
229 |
|
/** |
230 |
|
* execute successfully executes a runnable |
231 |
|
*/ |
232 |
|
public void testExecute() throws InterruptedException { |
233 |
|
final ThreadPoolExecutor p = |
234 |
|
new CustomTPE(1, 1, |
235 |
< |
LONG_DELAY_MS, MILLISECONDS, |
235 |
> |
2 * LONG_DELAY_MS, MILLISECONDS, |
236 |
|
new ArrayBlockingQueue<Runnable>(10)); |
237 |
< |
final CountDownLatch done = new CountDownLatch(1); |
238 |
< |
final Runnable task = new CheckedRunnable() { |
239 |
< |
public void realRun() { |
240 |
< |
done.countDown(); |
206 |
< |
}}; |
207 |
< |
try { |
237 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
238 |
> |
final CountDownLatch done = new CountDownLatch(1); |
239 |
> |
final Runnable task = new CheckedRunnable() { |
240 |
> |
public void realRun() { done.countDown(); }}; |
241 |
|
p.execute(task); |
242 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
210 |
< |
} finally { |
211 |
< |
joinPool(p); |
242 |
> |
assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS)); |
243 |
|
} |
244 |
|
} |
245 |
|
|
254 |
|
new ArrayBlockingQueue<Runnable>(10)); |
255 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
256 |
|
final CountDownLatch done = new CountDownLatch(1); |
257 |
< |
try { |
257 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
258 |
|
assertEquals(0, p.getActiveCount()); |
259 |
|
p.execute(new CheckedRunnable() { |
260 |
|
public void realRun() throws InterruptedException { |
264 |
|
}}); |
265 |
|
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
266 |
|
assertEquals(1, p.getActiveCount()); |
236 |
– |
} finally { |
267 |
|
done.countDown(); |
238 |
– |
joinPool(p); |
268 |
|
} |
269 |
|
} |
270 |
|
|
272 |
|
* prestartCoreThread starts a thread if under corePoolSize, else doesn't |
273 |
|
*/ |
274 |
|
public void testPrestartCoreThread() { |
275 |
< |
ThreadPoolExecutor p = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
276 |
< |
assertEquals(0, p.getPoolSize()); |
277 |
< |
assertTrue(p.prestartCoreThread()); |
278 |
< |
assertEquals(1, p.getPoolSize()); |
279 |
< |
assertTrue(p.prestartCoreThread()); |
280 |
< |
assertEquals(2, p.getPoolSize()); |
281 |
< |
assertFalse(p.prestartCoreThread()); |
282 |
< |
assertEquals(2, p.getPoolSize()); |
283 |
< |
joinPool(p); |
275 |
> |
ThreadPoolExecutor p = |
276 |
> |
new CustomTPE(2, 6, |
277 |
> |
LONG_DELAY_MS, MILLISECONDS, |
278 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
279 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
280 |
> |
assertEquals(0, p.getPoolSize()); |
281 |
> |
assertTrue(p.prestartCoreThread()); |
282 |
> |
assertEquals(1, p.getPoolSize()); |
283 |
> |
assertTrue(p.prestartCoreThread()); |
284 |
> |
assertEquals(2, p.getPoolSize()); |
285 |
> |
assertFalse(p.prestartCoreThread()); |
286 |
> |
assertEquals(2, p.getPoolSize()); |
287 |
> |
p.setCorePoolSize(4); |
288 |
> |
assertTrue(p.prestartCoreThread()); |
289 |
> |
assertEquals(3, p.getPoolSize()); |
290 |
> |
assertTrue(p.prestartCoreThread()); |
291 |
> |
assertEquals(4, p.getPoolSize()); |
292 |
> |
assertFalse(p.prestartCoreThread()); |
293 |
> |
assertEquals(4, p.getPoolSize()); |
294 |
> |
} |
295 |
|
} |
296 |
|
|
297 |
|
/** |
328 |
|
threadProceed.await(); |
329 |
|
threadDone.countDown(); |
330 |
|
}}); |
331 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
331 |
> |
await(threadStarted); |
332 |
|
assertEquals(0, p.getCompletedTaskCount()); |
333 |
|
threadProceed.countDown(); |
334 |
|
threadDone.await(); |
335 |
< |
Thread.sleep(SHORT_DELAY_MS); |
336 |
< |
assertEquals(1, p.getCompletedTaskCount()); |
335 |
> |
long startTime = System.nanoTime(); |
336 |
> |
while (p.getCompletedTaskCount() != 1) { |
337 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
338 |
> |
fail("timed out"); |
339 |
> |
Thread.yield(); |
340 |
> |
} |
341 |
|
} finally { |
342 |
|
joinPool(p); |
343 |
|
} |
357 |
|
*/ |
358 |
|
public void testGetKeepAliveTime() { |
359 |
|
ThreadPoolExecutor p = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
360 |
< |
assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS)); |
360 |
> |
assertEquals(1, p.getKeepAliveTime(SECONDS)); |
361 |
|
joinPool(p); |
362 |
|
} |
363 |
|
|
320 |
– |
|
364 |
|
/** |
365 |
|
* getThreadFactory returns factory in constructor if not set |
366 |
|
*/ |
382 |
|
joinPool(p); |
383 |
|
} |
384 |
|
|
342 |
– |
|
385 |
|
/** |
386 |
|
* setThreadFactory(null) throws NPE |
387 |
|
*/ |
418 |
|
joinPool(p); |
419 |
|
} |
420 |
|
|
379 |
– |
|
421 |
|
/** |
422 |
|
* setRejectedExecutionHandler(null) throws NPE |
423 |
|
*/ |
432 |
|
} |
433 |
|
} |
434 |
|
|
394 |
– |
|
435 |
|
/** |
436 |
|
* getLargestPoolSize increases, but doesn't overestimate, when |
437 |
|
* multiple threads active |
526 |
|
} |
527 |
|
|
528 |
|
/** |
529 |
< |
* isShutDown is false before shutdown, true after |
529 |
> |
* isShutdown is false before shutdown, true after |
530 |
|
*/ |
531 |
|
public void testIsShutdown() { |
532 |
|
|
537 |
|
joinPool(p); |
538 |
|
} |
539 |
|
|
500 |
– |
|
540 |
|
/** |
541 |
|
* isTerminated is false before termination, true after |
542 |
|
*/ |
551 |
|
assertFalse(p.isTerminating()); |
552 |
|
p.execute(new CheckedRunnable() { |
553 |
|
public void realRun() throws InterruptedException { |
515 |
– |
threadStarted.countDown(); |
554 |
|
assertFalse(p.isTerminating()); |
555 |
+ |
threadStarted.countDown(); |
556 |
|
done.await(); |
557 |
|
}}); |
558 |
|
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
580 |
|
assertFalse(p.isTerminating()); |
581 |
|
p.execute(new CheckedRunnable() { |
582 |
|
public void realRun() throws InterruptedException { |
544 |
– |
threadStarted.countDown(); |
583 |
|
assertFalse(p.isTerminating()); |
584 |
+ |
threadStarted.countDown(); |
585 |
|
done.await(); |
586 |
|
}}); |
587 |
|
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
710 |
|
} |
711 |
|
|
712 |
|
/** |
713 |
< |
* shutDownNow returns a list containing tasks that were not run |
713 |
> |
* shutdownNow returns a list containing tasks that were not run, |
714 |
> |
* and those tasks are drained from the queue |
715 |
|
*/ |
716 |
< |
public void testShutDownNow() { |
717 |
< |
ThreadPoolExecutor p = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
718 |
< |
List l; |
719 |
< |
try { |
720 |
< |
for (int i = 0; i < 5; i++) |
721 |
< |
p.execute(new MediumPossiblyInterruptedRunnable()); |
722 |
< |
} |
723 |
< |
finally { |
716 |
> |
public void testShutdownNow() throws InterruptedException { |
717 |
> |
final int poolSize = 2; |
718 |
> |
final int count = 5; |
719 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
720 |
> |
ThreadPoolExecutor p = |
721 |
> |
new CustomTPE(poolSize, poolSize, LONG_DELAY_MS, MILLISECONDS, |
722 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
723 |
> |
CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
724 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
725 |
> |
threadsStarted.countDown(); |
726 |
|
try { |
727 |
< |
l = p.shutdownNow(); |
728 |
< |
} catch (SecurityException ok) { return; } |
727 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
728 |
> |
} catch (InterruptedException success) {} |
729 |
> |
ran.getAndIncrement(); |
730 |
> |
}}; |
731 |
> |
for (int i = 0; i < count; i++) |
732 |
> |
p.execute(waiter); |
733 |
> |
assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
734 |
> |
assertEquals(poolSize, p.getActiveCount()); |
735 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
736 |
> |
final List<Runnable> queuedTasks; |
737 |
> |
try { |
738 |
> |
queuedTasks = p.shutdownNow(); |
739 |
> |
} catch (SecurityException ok) { |
740 |
> |
return; // Allowed in case test doesn't have privs |
741 |
|
} |
742 |
|
assertTrue(p.isShutdown()); |
743 |
< |
assertTrue(l.size() <= 4); |
743 |
> |
assertTrue(p.getQueue().isEmpty()); |
744 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
745 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
746 |
> |
assertTrue(p.isTerminated()); |
747 |
> |
assertEquals(poolSize, ran.get()); |
748 |
> |
assertEquals(poolSize, p.getCompletedTaskCount()); |
749 |
|
} |
750 |
|
|
751 |
|
// Exception Tests |
752 |
|
|
694 |
– |
|
753 |
|
/** |
754 |
|
* Constructor throws if corePoolSize argument is less than zero |
755 |
|
*/ |
756 |
|
public void testConstructor1() { |
757 |
|
try { |
758 |
< |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
758 |
> |
new CustomTPE(-1, 1, 1L, SECONDS, |
759 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
760 |
|
shouldThrow(); |
761 |
|
} catch (IllegalArgumentException success) {} |
762 |
|
} |
766 |
|
*/ |
767 |
|
public void testConstructor2() { |
768 |
|
try { |
769 |
< |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
769 |
> |
new CustomTPE(1, -1, 1L, SECONDS, |
770 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
771 |
|
shouldThrow(); |
772 |
|
} catch (IllegalArgumentException success) {} |
773 |
|
} |
777 |
|
*/ |
778 |
|
public void testConstructor3() { |
779 |
|
try { |
780 |
< |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
780 |
> |
new CustomTPE(1, 0, 1L, SECONDS, |
781 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
782 |
|
shouldThrow(); |
783 |
|
} catch (IllegalArgumentException success) {} |
784 |
|
} |
788 |
|
*/ |
789 |
|
public void testConstructor4() { |
790 |
|
try { |
791 |
< |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
791 |
> |
new CustomTPE(1, 2, -1L, SECONDS, |
792 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
793 |
|
shouldThrow(); |
794 |
|
} catch (IllegalArgumentException success) {} |
795 |
|
} |
799 |
|
*/ |
800 |
|
public void testConstructor5() { |
801 |
|
try { |
802 |
< |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
802 |
> |
new CustomTPE(2, 1, 1L, SECONDS, |
803 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
804 |
|
shouldThrow(); |
805 |
|
} catch (IllegalArgumentException success) {} |
806 |
|
} |
810 |
|
*/ |
811 |
|
public void testConstructorNullPointerException() { |
812 |
|
try { |
813 |
< |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null); |
813 |
> |
new CustomTPE(1, 2, 1L, SECONDS, null); |
814 |
|
shouldThrow(); |
815 |
|
} catch (NullPointerException success) {} |
816 |
|
} |
817 |
|
|
755 |
– |
|
756 |
– |
|
818 |
|
/** |
819 |
|
* Constructor throws if corePoolSize argument is less than zero |
820 |
|
*/ |
821 |
|
public void testConstructor6() { |
822 |
|
try { |
823 |
< |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
823 |
> |
new CustomTPE(-1, 1, 1L, SECONDS, |
824 |
> |
new ArrayBlockingQueue<Runnable>(10), |
825 |
> |
new SimpleThreadFactory()); |
826 |
|
shouldThrow(); |
827 |
|
} catch (IllegalArgumentException success) {} |
828 |
|
} |
832 |
|
*/ |
833 |
|
public void testConstructor7() { |
834 |
|
try { |
835 |
< |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
835 |
> |
new CustomTPE(1,-1, 1L, SECONDS, |
836 |
> |
new ArrayBlockingQueue<Runnable>(10), |
837 |
> |
new SimpleThreadFactory()); |
838 |
|
shouldThrow(); |
839 |
|
} catch (IllegalArgumentException success) {} |
840 |
|
} |
844 |
|
*/ |
845 |
|
public void testConstructor8() { |
846 |
|
try { |
847 |
< |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
847 |
> |
new CustomTPE(1, 0, 1L, SECONDS, |
848 |
> |
new ArrayBlockingQueue<Runnable>(10), |
849 |
> |
new SimpleThreadFactory()); |
850 |
|
shouldThrow(); |
851 |
|
} catch (IllegalArgumentException success) {} |
852 |
|
} |
856 |
|
*/ |
857 |
|
public void testConstructor9() { |
858 |
|
try { |
859 |
< |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
859 |
> |
new CustomTPE(1, 2, -1L, SECONDS, |
860 |
> |
new ArrayBlockingQueue<Runnable>(10), |
861 |
> |
new SimpleThreadFactory()); |
862 |
|
shouldThrow(); |
863 |
|
} catch (IllegalArgumentException success) {} |
864 |
|
} |
868 |
|
*/ |
869 |
|
public void testConstructor10() { |
870 |
|
try { |
871 |
< |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
871 |
> |
new CustomTPE(2, 1, 1L, SECONDS, |
872 |
> |
new ArrayBlockingQueue<Runnable>(10), |
873 |
> |
new SimpleThreadFactory()); |
874 |
|
shouldThrow(); |
875 |
|
} catch (IllegalArgumentException success) {} |
876 |
|
} |
880 |
|
*/ |
881 |
|
public void testConstructorNullPointerException2() { |
882 |
|
try { |
883 |
< |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory()); |
883 |
> |
new CustomTPE(1, 2, 1L, SECONDS, null, new SimpleThreadFactory()); |
884 |
|
shouldThrow(); |
885 |
|
} catch (NullPointerException success) {} |
886 |
|
} |
890 |
|
*/ |
891 |
|
public void testConstructorNullPointerException3() { |
892 |
|
try { |
893 |
< |
ThreadFactory f = null; |
894 |
< |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f); |
893 |
> |
new CustomTPE(1, 2, 1L, SECONDS, |
894 |
> |
new ArrayBlockingQueue<Runnable>(10), |
895 |
> |
(ThreadFactory) null); |
896 |
|
shouldThrow(); |
897 |
|
} catch (NullPointerException success) {} |
898 |
|
} |
899 |
|
|
828 |
– |
|
900 |
|
/** |
901 |
|
* Constructor throws if corePoolSize argument is less than zero |
902 |
|
*/ |
903 |
|
public void testConstructor11() { |
904 |
|
try { |
905 |
< |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
905 |
> |
new CustomTPE(-1, 1, 1L, SECONDS, |
906 |
> |
new ArrayBlockingQueue<Runnable>(10), |
907 |
> |
new NoOpREHandler()); |
908 |
|
shouldThrow(); |
909 |
|
} catch (IllegalArgumentException success) {} |
910 |
|
} |
914 |
|
*/ |
915 |
|
public void testConstructor12() { |
916 |
|
try { |
917 |
< |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
917 |
> |
new CustomTPE(1, -1, 1L, SECONDS, |
918 |
> |
new ArrayBlockingQueue<Runnable>(10), |
919 |
> |
new NoOpREHandler()); |
920 |
|
shouldThrow(); |
921 |
|
} catch (IllegalArgumentException success) {} |
922 |
|
} |
926 |
|
*/ |
927 |
|
public void testConstructor13() { |
928 |
|
try { |
929 |
< |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
929 |
> |
new CustomTPE(1, 0, 1L, SECONDS, |
930 |
> |
new ArrayBlockingQueue<Runnable>(10), |
931 |
> |
new NoOpREHandler()); |
932 |
|
shouldThrow(); |
933 |
|
} catch (IllegalArgumentException success) {} |
934 |
|
} |
938 |
|
*/ |
939 |
|
public void testConstructor14() { |
940 |
|
try { |
941 |
< |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
941 |
> |
new CustomTPE(1, 2, -1L, SECONDS, |
942 |
> |
new ArrayBlockingQueue<Runnable>(10), |
943 |
> |
new NoOpREHandler()); |
944 |
|
shouldThrow(); |
945 |
|
} catch (IllegalArgumentException success) {} |
946 |
|
} |
950 |
|
*/ |
951 |
|
public void testConstructor15() { |
952 |
|
try { |
953 |
< |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
953 |
> |
new CustomTPE(2, 1, 1L, SECONDS, |
954 |
> |
new ArrayBlockingQueue<Runnable>(10), |
955 |
> |
new NoOpREHandler()); |
956 |
|
shouldThrow(); |
957 |
|
} catch (IllegalArgumentException success) {} |
958 |
|
} |
962 |
|
*/ |
963 |
|
public void testConstructorNullPointerException4() { |
964 |
|
try { |
965 |
< |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new NoOpREHandler()); |
965 |
> |
new CustomTPE(1, 2, 1L, SECONDS, |
966 |
> |
null, |
967 |
> |
new NoOpREHandler()); |
968 |
|
shouldThrow(); |
969 |
|
} catch (NullPointerException success) {} |
970 |
|
} |
974 |
|
*/ |
975 |
|
public void testConstructorNullPointerException5() { |
976 |
|
try { |
977 |
< |
RejectedExecutionHandler r = null; |
978 |
< |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r); |
977 |
> |
new CustomTPE(1, 2, 1L, SECONDS, |
978 |
> |
new ArrayBlockingQueue<Runnable>(10), |
979 |
> |
(RejectedExecutionHandler) null); |
980 |
|
shouldThrow(); |
981 |
|
} catch (NullPointerException success) {} |
982 |
|
} |
983 |
|
|
900 |
– |
|
984 |
|
/** |
985 |
|
* Constructor throws if corePoolSize argument is less than zero |
986 |
|
*/ |
987 |
|
public void testConstructor16() { |
988 |
|
try { |
989 |
< |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
989 |
> |
new CustomTPE(-1, 1, 1L, SECONDS, |
990 |
> |
new ArrayBlockingQueue<Runnable>(10), |
991 |
> |
new SimpleThreadFactory(), |
992 |
> |
new NoOpREHandler()); |
993 |
|
shouldThrow(); |
994 |
|
} catch (IllegalArgumentException success) {} |
995 |
|
} |
999 |
|
*/ |
1000 |
|
public void testConstructor17() { |
1001 |
|
try { |
1002 |
< |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
1002 |
> |
new CustomTPE(1, -1, 1L, SECONDS, |
1003 |
> |
new ArrayBlockingQueue<Runnable>(10), |
1004 |
> |
new SimpleThreadFactory(), |
1005 |
> |
new NoOpREHandler()); |
1006 |
|
shouldThrow(); |
1007 |
|
} catch (IllegalArgumentException success) {} |
1008 |
|
} |
1012 |
|
*/ |
1013 |
|
public void testConstructor18() { |
1014 |
|
try { |
1015 |
< |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
1015 |
> |
new CustomTPE(1, 0, 1L, SECONDS, |
1016 |
> |
new ArrayBlockingQueue<Runnable>(10), |
1017 |
> |
new SimpleThreadFactory(), |
1018 |
> |
new NoOpREHandler()); |
1019 |
|
shouldThrow(); |
1020 |
|
} catch (IllegalArgumentException success) {} |
1021 |
|
} |
1025 |
|
*/ |
1026 |
|
public void testConstructor19() { |
1027 |
|
try { |
1028 |
< |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
1028 |
> |
new CustomTPE(1, 2, -1L, SECONDS, |
1029 |
> |
new ArrayBlockingQueue<Runnable>(10), |
1030 |
> |
new SimpleThreadFactory(), |
1031 |
> |
new NoOpREHandler()); |
1032 |
|
shouldThrow(); |
1033 |
|
} catch (IllegalArgumentException success) {} |
1034 |
|
} |
1038 |
|
*/ |
1039 |
|
public void testConstructor20() { |
1040 |
|
try { |
1041 |
< |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
1041 |
> |
new CustomTPE(2, 1, 1L, SECONDS, |
1042 |
> |
new ArrayBlockingQueue<Runnable>(10), |
1043 |
> |
new SimpleThreadFactory(), |
1044 |
> |
new NoOpREHandler()); |
1045 |
|
shouldThrow(); |
1046 |
|
} catch (IllegalArgumentException success) {} |
1047 |
|
} |
1051 |
|
*/ |
1052 |
|
public void testConstructorNullPointerException6() { |
1053 |
|
try { |
1054 |
< |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler()); |
1054 |
> |
new CustomTPE(1, 2, 1L, SECONDS, |
1055 |
> |
null, |
1056 |
> |
new SimpleThreadFactory(), |
1057 |
> |
new NoOpREHandler()); |
1058 |
|
shouldThrow(); |
1059 |
|
} catch (NullPointerException success) {} |
1060 |
|
} |
1064 |
|
*/ |
1065 |
|
public void testConstructorNullPointerException7() { |
1066 |
|
try { |
1067 |
< |
RejectedExecutionHandler r = null; |
1068 |
< |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r); |
1067 |
> |
new CustomTPE(1, 2, 1L, SECONDS, |
1068 |
> |
new ArrayBlockingQueue<Runnable>(10), |
1069 |
> |
new SimpleThreadFactory(), |
1070 |
> |
(RejectedExecutionHandler) null); |
1071 |
|
shouldThrow(); |
1072 |
|
} catch (NullPointerException success) {} |
1073 |
|
} |
1077 |
|
*/ |
1078 |
|
public void testConstructorNullPointerException8() { |
1079 |
|
try { |
1080 |
< |
new CustomTPE(1, 2, |
978 |
< |
LONG_DELAY_MS, MILLISECONDS, |
1080 |
> |
new CustomTPE(1, 2, 1L, SECONDS, |
1081 |
|
new ArrayBlockingQueue<Runnable>(10), |
1082 |
|
(ThreadFactory) null, |
1083 |
|
new NoOpREHandler()); |
1085 |
|
} catch (NullPointerException success) {} |
1086 |
|
} |
1087 |
|
|
986 |
– |
|
1088 |
|
/** |
1089 |
|
* execute throws RejectedExecutionException if saturated. |
1090 |
|
*/ |
1234 |
|
} |
1235 |
|
} |
1236 |
|
|
1136 |
– |
|
1237 |
|
/** |
1238 |
|
* execute using DiscardOldestPolicy drops task on shutdown |
1239 |
|
*/ |
1251 |
|
} |
1252 |
|
} |
1253 |
|
|
1154 |
– |
|
1254 |
|
/** |
1255 |
|
* execute(null) throws NPE |
1256 |
|
*/ |
1257 |
|
public void testExecuteNull() { |
1258 |
< |
ThreadPoolExecutor p = null; |
1258 |
> |
ThreadPoolExecutor p = |
1259 |
> |
new CustomTPE(1, 2, 1L, SECONDS, |
1260 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
1261 |
|
try { |
1161 |
– |
p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1262 |
|
p.execute(null); |
1263 |
|
shouldThrow(); |
1264 |
|
} catch (NullPointerException success) {} |
1316 |
|
joinPool(p); |
1317 |
|
} |
1318 |
|
|
1219 |
– |
|
1319 |
|
/** |
1320 |
|
* setKeepAliveTime throws IllegalArgumentException |
1321 |
|
* when given a negative value |
1340 |
|
public void testTerminated() { |
1341 |
|
CustomTPE p = new CustomTPE(); |
1342 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1343 |
< |
assertTrue(p.terminatedCalled); |
1343 |
> |
assertTrue(p.terminatedCalled()); |
1344 |
|
joinPool(p); |
1345 |
|
} |
1346 |
|
|
1350 |
|
public void testBeforeAfter() throws InterruptedException { |
1351 |
|
CustomTPE p = new CustomTPE(); |
1352 |
|
try { |
1353 |
< |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1354 |
< |
p.execute(r); |
1355 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1356 |
< |
assertTrue(r.done); |
1357 |
< |
assertTrue(p.beforeCalled); |
1358 |
< |
assertTrue(p.afterCalled); |
1353 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1354 |
> |
p.execute(new CheckedRunnable() { |
1355 |
> |
public void realRun() { |
1356 |
> |
done.countDown(); |
1357 |
> |
}}); |
1358 |
> |
await(p.afterCalled); |
1359 |
> |
assertEquals(0, done.getCount()); |
1360 |
> |
assertTrue(p.afterCalled()); |
1361 |
> |
assertTrue(p.beforeCalled()); |
1362 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1363 |
|
} finally { |
1364 |
|
joinPool(p); |
1407 |
|
} |
1408 |
|
} |
1409 |
|
|
1308 |
– |
|
1410 |
|
/** |
1411 |
|
* invokeAny(null) throws NPE |
1412 |
|
*/ |
1568 |
|
} |
1569 |
|
} |
1570 |
|
|
1470 |
– |
|
1471 |
– |
|
1571 |
|
/** |
1572 |
|
* timed invokeAny(null) throws NPE |
1573 |
|
*/ |
1754 |
|
l.add(new StringTask()); |
1755 |
|
l.add(new StringTask()); |
1756 |
|
List<Future<String>> futures = |
1757 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1757 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1758 |
|
assertEquals(2, futures.size()); |
1759 |
|
for (Future<String> future : futures) |
1760 |
|
assertSame(TEST_STRING, future.get()); |
1769 |
|
public void testTimedInvokeAll6() throws Exception { |
1770 |
|
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1771 |
|
try { |
1772 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1773 |
< |
l.add(new StringTask()); |
1774 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1775 |
< |
l.add(new StringTask()); |
1776 |
< |
List<Future<String>> futures = |
1777 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1778 |
< |
assertEquals(3, futures.size()); |
1779 |
< |
Iterator<Future<String>> it = futures.iterator(); |
1780 |
< |
Future<String> f1 = it.next(); |
1781 |
< |
Future<String> f2 = it.next(); |
1782 |
< |
Future<String> f3 = it.next(); |
1783 |
< |
assertTrue(f1.isDone()); |
1784 |
< |
assertTrue(f2.isDone()); |
1785 |
< |
assertTrue(f3.isDone()); |
1786 |
< |
assertFalse(f1.isCancelled()); |
1787 |
< |
assertTrue(f2.isCancelled()); |
1772 |
> |
for (long timeout = timeoutMillis();;) { |
1773 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1774 |
> |
tasks.add(new StringTask("0")); |
1775 |
> |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
1776 |
> |
tasks.add(new StringTask("2")); |
1777 |
> |
long startTime = System.nanoTime(); |
1778 |
> |
List<Future<String>> futures = |
1779 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
1780 |
> |
assertEquals(tasks.size(), futures.size()); |
1781 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1782 |
> |
for (Future future : futures) |
1783 |
> |
assertTrue(future.isDone()); |
1784 |
> |
assertTrue(futures.get(1).isCancelled()); |
1785 |
> |
try { |
1786 |
> |
assertEquals("0", futures.get(0).get()); |
1787 |
> |
assertEquals("2", futures.get(2).get()); |
1788 |
> |
break; |
1789 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1790 |
> |
timeout *= 2; |
1791 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1792 |
> |
fail("expected exactly one task to be cancelled"); |
1793 |
> |
} |
1794 |
> |
} |
1795 |
|
} finally { |
1796 |
|
joinPool(e); |
1797 |
|
} |
1834 |
|
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1835 |
|
*/ |
1836 |
|
public void testAllowCoreThreadTimeOut_true() throws Exception { |
1837 |
+ |
long keepAliveTime = timeoutMillis(); |
1838 |
|
final ThreadPoolExecutor p = |
1839 |
|
new CustomTPE(2, 10, |
1840 |
< |
SHORT_DELAY_MS, MILLISECONDS, |
1840 |
> |
keepAliveTime, MILLISECONDS, |
1841 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1842 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
1843 |
|
try { |
1844 |
|
p.allowCoreThreadTimeOut(true); |
1845 |
|
p.execute(new CheckedRunnable() { |
1846 |
< |
public void realRun() throws InterruptedException { |
1846 |
> |
public void realRun() { |
1847 |
|
threadStarted.countDown(); |
1848 |
|
assertEquals(1, p.getPoolSize()); |
1849 |
|
}}); |
1850 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
1851 |
< |
for (int i = 0; i < (MEDIUM_DELAY_MS/10); i++) { |
1852 |
< |
if (p.getPoolSize() == 0) |
1853 |
< |
break; |
1854 |
< |
Thread.sleep(10); |
1855 |
< |
} |
1850 |
> |
await(threadStarted); |
1851 |
> |
delay(keepAliveTime); |
1852 |
> |
long startTime = System.nanoTime(); |
1853 |
> |
while (p.getPoolSize() > 0 |
1854 |
> |
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
1855 |
> |
Thread.yield(); |
1856 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1857 |
|
assertEquals(0, p.getPoolSize()); |
1858 |
|
} finally { |
1859 |
|
joinPool(p); |
1864 |
|
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
1865 |
|
*/ |
1866 |
|
public void testAllowCoreThreadTimeOut_false() throws Exception { |
1867 |
+ |
long keepAliveTime = timeoutMillis(); |
1868 |
|
final ThreadPoolExecutor p = |
1869 |
|
new CustomTPE(2, 10, |
1870 |
< |
SHORT_DELAY_MS, MILLISECONDS, |
1870 |
> |
keepAliveTime, MILLISECONDS, |
1871 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1872 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
1873 |
|
try { |
1877 |
|
threadStarted.countDown(); |
1878 |
|
assertTrue(p.getPoolSize() >= 1); |
1879 |
|
}}); |
1880 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1880 |
> |
delay(2 * keepAliveTime); |
1881 |
|
assertTrue(p.getPoolSize() >= 1); |
1882 |
|
} finally { |
1883 |
|
joinPool(p); |
1884 |
|
} |
1885 |
|
} |
1886 |
|
|
1887 |
+ |
/** |
1888 |
+ |
* get(cancelled task) throws CancellationException |
1889 |
+ |
* (in part, a test of CustomTPE itself) |
1890 |
+ |
*/ |
1891 |
+ |
public void testGet_cancelled() throws Exception { |
1892 |
+ |
final ExecutorService e = |
1893 |
+ |
new CustomTPE(1, 1, |
1894 |
+ |
LONG_DELAY_MS, MILLISECONDS, |
1895 |
+ |
new LinkedBlockingQueue<Runnable>()); |
1896 |
+ |
try { |
1897 |
+ |
final CountDownLatch blockerStarted = new CountDownLatch(1); |
1898 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
1899 |
+ |
final List<Future<?>> futures = new ArrayList<>(); |
1900 |
+ |
for (int i = 0; i < 2; i++) { |
1901 |
+ |
Runnable r = new CheckedRunnable() { public void realRun() |
1902 |
+ |
throws Throwable { |
1903 |
+ |
blockerStarted.countDown(); |
1904 |
+ |
assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS)); |
1905 |
+ |
}}; |
1906 |
+ |
futures.add(e.submit(r)); |
1907 |
+ |
} |
1908 |
+ |
assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
1909 |
+ |
for (Future<?> future : futures) future.cancel(false); |
1910 |
+ |
for (Future<?> future : futures) { |
1911 |
+ |
try { |
1912 |
+ |
future.get(); |
1913 |
+ |
shouldThrow(); |
1914 |
+ |
} catch (CancellationException success) {} |
1915 |
+ |
try { |
1916 |
+ |
future.get(LONG_DELAY_MS, MILLISECONDS); |
1917 |
+ |
shouldThrow(); |
1918 |
+ |
} catch (CancellationException success) {} |
1919 |
+ |
assertTrue(future.isCancelled()); |
1920 |
+ |
assertTrue(future.isDone()); |
1921 |
+ |
} |
1922 |
+ |
done.countDown(); |
1923 |
+ |
} finally { |
1924 |
+ |
joinPool(e); |
1925 |
+ |
} |
1926 |
+ |
} |
1927 |
+ |
|
1928 |
|
} |