1 |
/* |
2 |
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
* Expert Group and released to the public domain, as explained at |
4 |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
* Pat Fisher, Mike Judd. |
7 |
*/ |
8 |
|
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import junit.framework.*; |
10 |
import java.util.concurrent.*; |
11 |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
12 |
import java.util.concurrent.locks.Condition; |
13 |
import java.util.concurrent.locks.ReentrantLock; |
14 |
import java.util.*; |
15 |
|
16 |
public class ThreadPoolExecutorSubclassTest extends JSR166TestCase { |
17 |
public static void main(String[] args) { |
18 |
junit.textui.TestRunner.run(suite()); |
19 |
} |
20 |
public static Test suite() { |
21 |
return new TestSuite(ThreadPoolExecutorSubclassTest.class); |
22 |
} |
23 |
|
24 |
static class CustomTask<V> implements RunnableFuture<V> { |
25 |
final Callable<V> callable; |
26 |
final ReentrantLock lock = new ReentrantLock(); |
27 |
final Condition cond = lock.newCondition(); |
28 |
boolean done; |
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boolean cancelled; |
30 |
V result; |
31 |
Thread thread; |
32 |
Exception exception; |
33 |
CustomTask(Callable<V> c) { |
34 |
if (c == null) throw new NullPointerException(); |
35 |
callable = c; |
36 |
} |
37 |
CustomTask(final Runnable r, final V res) { |
38 |
if (r == null) throw new NullPointerException(); |
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callable = new Callable<V>() { |
40 |
public V call() throws Exception { r.run(); return res; }}; |
41 |
} |
42 |
public boolean isDone() { |
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lock.lock(); try { return done; } finally { lock.unlock() ; } |
44 |
} |
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public boolean isCancelled() { |
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lock.lock(); try { return cancelled; } finally { lock.unlock() ; } |
47 |
} |
48 |
public boolean cancel(boolean mayInterrupt) { |
49 |
lock.lock(); |
50 |
try { |
51 |
if (!done) { |
52 |
cancelled = true; |
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done = true; |
54 |
if (mayInterrupt && thread != null) |
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thread.interrupt(); |
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return true; |
57 |
} |
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return false; |
59 |
} |
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finally { lock.unlock() ; } |
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} |
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public void run() { |
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lock.lock(); |
64 |
try { |
65 |
if (done) |
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return; |
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thread = Thread.currentThread(); |
68 |
} |
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finally { lock.unlock() ; } |
70 |
V v = null; |
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Exception e = null; |
72 |
try { |
73 |
v = callable.call(); |
74 |
} |
75 |
catch (Exception ex) { |
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e = ex; |
77 |
} |
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lock.lock(); |
79 |
try { |
80 |
result = v; |
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exception = e; |
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done = true; |
83 |
thread = null; |
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cond.signalAll(); |
85 |
} |
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finally { lock.unlock(); } |
87 |
} |
88 |
public V get() throws InterruptedException, ExecutionException { |
89 |
lock.lock(); |
90 |
try { |
91 |
while (!done) |
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cond.await(); |
93 |
if (exception != null) |
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throw new ExecutionException(exception); |
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return result; |
96 |
} |
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finally { lock.unlock(); } |
98 |
} |
99 |
public V get(long timeout, TimeUnit unit) |
100 |
throws InterruptedException, ExecutionException, TimeoutException { |
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long nanos = unit.toNanos(timeout); |
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lock.lock(); |
103 |
try { |
104 |
for (;;) { |
105 |
if (done) break; |
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if (nanos < 0) |
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throw new TimeoutException(); |
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nanos = cond.awaitNanos(nanos); |
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} |
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if (exception != null) |
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throw new ExecutionException(exception); |
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return result; |
113 |
} |
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finally { lock.unlock(); } |
115 |
} |
116 |
} |
117 |
|
118 |
static class CustomTPE extends ThreadPoolExecutor { |
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protected <V> RunnableFuture<V> newTaskFor(Callable<V> c) { |
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return new CustomTask<V>(c); |
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} |
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protected <V> RunnableFuture<V> newTaskFor(Runnable r, V v) { |
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return new CustomTask<V>(r, v); |
124 |
} |
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|
126 |
CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, |
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workQueue); |
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} |
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue, |
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ThreadFactory threadFactory) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, |
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threadFactory); |
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} |
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|
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue, |
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RejectedExecutionHandler handler) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, |
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handler); |
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} |
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue, |
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ThreadFactory threadFactory, |
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RejectedExecutionHandler handler) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, |
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workQueue, threadFactory, handler); |
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} |
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|
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final CountDownLatch beforeCalled = new CountDownLatch(1); |
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final CountDownLatch afterCalled = new CountDownLatch(1); |
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final CountDownLatch terminatedCalled = new CountDownLatch(1); |
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|
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public CustomTPE() { |
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super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>()); |
170 |
} |
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protected void beforeExecute(Thread t, Runnable r) { |
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beforeCalled.countDown(); |
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} |
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protected void afterExecute(Runnable r, Throwable t) { |
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afterCalled.countDown(); |
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} |
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protected void terminated() { |
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terminatedCalled.countDown(); |
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} |
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|
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public boolean beforeCalled() { |
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return beforeCalled.getCount() == 0; |
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} |
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public boolean afterCalled() { |
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return afterCalled.getCount() == 0; |
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} |
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public boolean terminatedCalled() { |
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return terminatedCalled.getCount() == 0; |
189 |
} |
190 |
} |
191 |
|
192 |
static class FailingThreadFactory implements ThreadFactory { |
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int calls = 0; |
194 |
public Thread newThread(Runnable r) { |
195 |
if (++calls > 1) return null; |
196 |
return new Thread(r); |
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} |
198 |
} |
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|
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/** |
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* execute successfully executes a runnable |
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*/ |
203 |
public void testExecute() throws InterruptedException { |
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final ThreadPoolExecutor p = |
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new CustomTPE(1, 1, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10)); |
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final CountDownLatch done = new CountDownLatch(1); |
209 |
final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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}}; |
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try { |
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p.execute(task); |
215 |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
216 |
} finally { |
217 |
joinPool(p); |
218 |
} |
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} |
220 |
|
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/** |
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* getActiveCount increases but doesn't overestimate, when a |
223 |
* thread becomes active |
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*/ |
225 |
public void testGetActiveCount() throws InterruptedException { |
226 |
final ThreadPoolExecutor p = |
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new CustomTPE(2, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
229 |
new ArrayBlockingQueue<Runnable>(10)); |
230 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
231 |
final CountDownLatch done = new CountDownLatch(1); |
232 |
try { |
233 |
assertEquals(0, p.getActiveCount()); |
234 |
p.execute(new CheckedRunnable() { |
235 |
public void realRun() throws InterruptedException { |
236 |
threadStarted.countDown(); |
237 |
assertEquals(1, p.getActiveCount()); |
238 |
done.await(); |
239 |
}}); |
240 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
241 |
assertEquals(1, p.getActiveCount()); |
242 |
} finally { |
243 |
done.countDown(); |
244 |
joinPool(p); |
245 |
} |
246 |
} |
247 |
|
248 |
/** |
249 |
* prestartCoreThread starts a thread if under corePoolSize, else doesn't |
250 |
*/ |
251 |
public void testPrestartCoreThread() { |
252 |
ThreadPoolExecutor p = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
253 |
assertEquals(0, p.getPoolSize()); |
254 |
assertTrue(p.prestartCoreThread()); |
255 |
assertEquals(1, p.getPoolSize()); |
256 |
assertTrue(p.prestartCoreThread()); |
257 |
assertEquals(2, p.getPoolSize()); |
258 |
assertFalse(p.prestartCoreThread()); |
259 |
assertEquals(2, p.getPoolSize()); |
260 |
joinPool(p); |
261 |
} |
262 |
|
263 |
/** |
264 |
* prestartAllCoreThreads starts all corePoolSize threads |
265 |
*/ |
266 |
public void testPrestartAllCoreThreads() { |
267 |
ThreadPoolExecutor p = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
268 |
assertEquals(0, p.getPoolSize()); |
269 |
p.prestartAllCoreThreads(); |
270 |
assertEquals(2, p.getPoolSize()); |
271 |
p.prestartAllCoreThreads(); |
272 |
assertEquals(2, p.getPoolSize()); |
273 |
joinPool(p); |
274 |
} |
275 |
|
276 |
/** |
277 |
* getCompletedTaskCount increases, but doesn't overestimate, |
278 |
* when tasks complete |
279 |
*/ |
280 |
public void testGetCompletedTaskCount() throws InterruptedException { |
281 |
final ThreadPoolExecutor p = |
282 |
new CustomTPE(2, 2, |
283 |
LONG_DELAY_MS, MILLISECONDS, |
284 |
new ArrayBlockingQueue<Runnable>(10)); |
285 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
286 |
final CountDownLatch threadProceed = new CountDownLatch(1); |
287 |
final CountDownLatch threadDone = new CountDownLatch(1); |
288 |
try { |
289 |
assertEquals(0, p.getCompletedTaskCount()); |
290 |
p.execute(new CheckedRunnable() { |
291 |
public void realRun() throws InterruptedException { |
292 |
threadStarted.countDown(); |
293 |
assertEquals(0, p.getCompletedTaskCount()); |
294 |
threadProceed.await(); |
295 |
threadDone.countDown(); |
296 |
}}); |
297 |
await(threadStarted); |
298 |
assertEquals(0, p.getCompletedTaskCount()); |
299 |
threadProceed.countDown(); |
300 |
threadDone.await(); |
301 |
long startTime = System.nanoTime(); |
302 |
while (p.getCompletedTaskCount() != 1) { |
303 |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
304 |
fail("timed out"); |
305 |
Thread.yield(); |
306 |
} |
307 |
} finally { |
308 |
joinPool(p); |
309 |
} |
310 |
} |
311 |
|
312 |
/** |
313 |
* getCorePoolSize returns size given in constructor if not otherwise set |
314 |
*/ |
315 |
public void testGetCorePoolSize() { |
316 |
ThreadPoolExecutor p = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
317 |
assertEquals(1, p.getCorePoolSize()); |
318 |
joinPool(p); |
319 |
} |
320 |
|
321 |
/** |
322 |
* getKeepAliveTime returns value given in constructor if not otherwise set |
323 |
*/ |
324 |
public void testGetKeepAliveTime() { |
325 |
ThreadPoolExecutor p = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
326 |
assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS)); |
327 |
joinPool(p); |
328 |
} |
329 |
|
330 |
/** |
331 |
* getThreadFactory returns factory in constructor if not set |
332 |
*/ |
333 |
public void testGetThreadFactory() { |
334 |
ThreadFactory tf = new SimpleThreadFactory(); |
335 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler()); |
336 |
assertSame(tf, p.getThreadFactory()); |
337 |
joinPool(p); |
338 |
} |
339 |
|
340 |
/** |
341 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
342 |
*/ |
343 |
public void testSetThreadFactory() { |
344 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
345 |
ThreadFactory tf = new SimpleThreadFactory(); |
346 |
p.setThreadFactory(tf); |
347 |
assertSame(tf, p.getThreadFactory()); |
348 |
joinPool(p); |
349 |
} |
350 |
|
351 |
/** |
352 |
* setThreadFactory(null) throws NPE |
353 |
*/ |
354 |
public void testSetThreadFactoryNull() { |
355 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
356 |
try { |
357 |
p.setThreadFactory(null); |
358 |
shouldThrow(); |
359 |
} catch (NullPointerException success) { |
360 |
} finally { |
361 |
joinPool(p); |
362 |
} |
363 |
} |
364 |
|
365 |
/** |
366 |
* getRejectedExecutionHandler returns handler in constructor if not set |
367 |
*/ |
368 |
public void testGetRejectedExecutionHandler() { |
369 |
RejectedExecutionHandler h = new NoOpREHandler(); |
370 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h); |
371 |
assertSame(h, p.getRejectedExecutionHandler()); |
372 |
joinPool(p); |
373 |
} |
374 |
|
375 |
/** |
376 |
* setRejectedExecutionHandler sets the handler returned by |
377 |
* getRejectedExecutionHandler |
378 |
*/ |
379 |
public void testSetRejectedExecutionHandler() { |
380 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
381 |
RejectedExecutionHandler h = new NoOpREHandler(); |
382 |
p.setRejectedExecutionHandler(h); |
383 |
assertSame(h, p.getRejectedExecutionHandler()); |
384 |
joinPool(p); |
385 |
} |
386 |
|
387 |
/** |
388 |
* setRejectedExecutionHandler(null) throws NPE |
389 |
*/ |
390 |
public void testSetRejectedExecutionHandlerNull() { |
391 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
392 |
try { |
393 |
p.setRejectedExecutionHandler(null); |
394 |
shouldThrow(); |
395 |
} catch (NullPointerException success) { |
396 |
} finally { |
397 |
joinPool(p); |
398 |
} |
399 |
} |
400 |
|
401 |
/** |
402 |
* getLargestPoolSize increases, but doesn't overestimate, when |
403 |
* multiple threads active |
404 |
*/ |
405 |
public void testGetLargestPoolSize() throws InterruptedException { |
406 |
final int THREADS = 3; |
407 |
final ThreadPoolExecutor p = |
408 |
new CustomTPE(THREADS, THREADS, |
409 |
LONG_DELAY_MS, MILLISECONDS, |
410 |
new ArrayBlockingQueue<Runnable>(10)); |
411 |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
412 |
final CountDownLatch done = new CountDownLatch(1); |
413 |
try { |
414 |
assertEquals(0, p.getLargestPoolSize()); |
415 |
for (int i = 0; i < THREADS; i++) |
416 |
p.execute(new CheckedRunnable() { |
417 |
public void realRun() throws InterruptedException { |
418 |
threadsStarted.countDown(); |
419 |
done.await(); |
420 |
assertEquals(THREADS, p.getLargestPoolSize()); |
421 |
}}); |
422 |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
423 |
assertEquals(THREADS, p.getLargestPoolSize()); |
424 |
} finally { |
425 |
done.countDown(); |
426 |
joinPool(p); |
427 |
assertEquals(THREADS, p.getLargestPoolSize()); |
428 |
} |
429 |
} |
430 |
|
431 |
/** |
432 |
* getMaximumPoolSize returns value given in constructor if not |
433 |
* otherwise set |
434 |
*/ |
435 |
public void testGetMaximumPoolSize() { |
436 |
ThreadPoolExecutor p = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
437 |
assertEquals(2, p.getMaximumPoolSize()); |
438 |
joinPool(p); |
439 |
} |
440 |
|
441 |
/** |
442 |
* getPoolSize increases, but doesn't overestimate, when threads |
443 |
* become active |
444 |
*/ |
445 |
public void testGetPoolSize() throws InterruptedException { |
446 |
final ThreadPoolExecutor p = |
447 |
new CustomTPE(1, 1, |
448 |
LONG_DELAY_MS, MILLISECONDS, |
449 |
new ArrayBlockingQueue<Runnable>(10)); |
450 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
451 |
final CountDownLatch done = new CountDownLatch(1); |
452 |
try { |
453 |
assertEquals(0, p.getPoolSize()); |
454 |
p.execute(new CheckedRunnable() { |
455 |
public void realRun() throws InterruptedException { |
456 |
threadStarted.countDown(); |
457 |
assertEquals(1, p.getPoolSize()); |
458 |
done.await(); |
459 |
}}); |
460 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
461 |
assertEquals(1, p.getPoolSize()); |
462 |
} finally { |
463 |
done.countDown(); |
464 |
joinPool(p); |
465 |
} |
466 |
} |
467 |
|
468 |
/** |
469 |
* getTaskCount increases, but doesn't overestimate, when tasks submitted |
470 |
*/ |
471 |
public void testGetTaskCount() throws InterruptedException { |
472 |
final ThreadPoolExecutor p = |
473 |
new CustomTPE(1, 1, |
474 |
LONG_DELAY_MS, MILLISECONDS, |
475 |
new ArrayBlockingQueue<Runnable>(10)); |
476 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
477 |
final CountDownLatch done = new CountDownLatch(1); |
478 |
try { |
479 |
assertEquals(0, p.getTaskCount()); |
480 |
p.execute(new CheckedRunnable() { |
481 |
public void realRun() throws InterruptedException { |
482 |
threadStarted.countDown(); |
483 |
assertEquals(1, p.getTaskCount()); |
484 |
done.await(); |
485 |
}}); |
486 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
487 |
assertEquals(1, p.getTaskCount()); |
488 |
} finally { |
489 |
done.countDown(); |
490 |
joinPool(p); |
491 |
} |
492 |
} |
493 |
|
494 |
/** |
495 |
* isShutdown is false before shutdown, true after |
496 |
*/ |
497 |
public void testIsShutdown() { |
498 |
|
499 |
ThreadPoolExecutor p = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
500 |
assertFalse(p.isShutdown()); |
501 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
502 |
assertTrue(p.isShutdown()); |
503 |
joinPool(p); |
504 |
} |
505 |
|
506 |
/** |
507 |
* isTerminated is false before termination, true after |
508 |
*/ |
509 |
public void testIsTerminated() throws InterruptedException { |
510 |
final ThreadPoolExecutor p = |
511 |
new CustomTPE(1, 1, |
512 |
LONG_DELAY_MS, MILLISECONDS, |
513 |
new ArrayBlockingQueue<Runnable>(10)); |
514 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
515 |
final CountDownLatch done = new CountDownLatch(1); |
516 |
try { |
517 |
assertFalse(p.isTerminating()); |
518 |
p.execute(new CheckedRunnable() { |
519 |
public void realRun() throws InterruptedException { |
520 |
assertFalse(p.isTerminating()); |
521 |
threadStarted.countDown(); |
522 |
done.await(); |
523 |
}}); |
524 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
525 |
assertFalse(p.isTerminating()); |
526 |
done.countDown(); |
527 |
} finally { |
528 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
529 |
} |
530 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
531 |
assertTrue(p.isTerminated()); |
532 |
assertFalse(p.isTerminating()); |
533 |
} |
534 |
|
535 |
/** |
536 |
* isTerminating is not true when running or when terminated |
537 |
*/ |
538 |
public void testIsTerminating() throws InterruptedException { |
539 |
final ThreadPoolExecutor p = |
540 |
new CustomTPE(1, 1, |
541 |
LONG_DELAY_MS, MILLISECONDS, |
542 |
new ArrayBlockingQueue<Runnable>(10)); |
543 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
544 |
final CountDownLatch done = new CountDownLatch(1); |
545 |
try { |
546 |
assertFalse(p.isTerminating()); |
547 |
p.execute(new CheckedRunnable() { |
548 |
public void realRun() throws InterruptedException { |
549 |
assertFalse(p.isTerminating()); |
550 |
threadStarted.countDown(); |
551 |
done.await(); |
552 |
}}); |
553 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
554 |
assertFalse(p.isTerminating()); |
555 |
done.countDown(); |
556 |
} finally { |
557 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
558 |
} |
559 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
560 |
assertTrue(p.isTerminated()); |
561 |
assertFalse(p.isTerminating()); |
562 |
} |
563 |
|
564 |
/** |
565 |
* getQueue returns the work queue, which contains queued tasks |
566 |
*/ |
567 |
public void testGetQueue() throws InterruptedException { |
568 |
final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
569 |
final ThreadPoolExecutor p = |
570 |
new CustomTPE(1, 1, |
571 |
LONG_DELAY_MS, MILLISECONDS, |
572 |
q); |
573 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
574 |
final CountDownLatch done = new CountDownLatch(1); |
575 |
try { |
576 |
FutureTask[] tasks = new FutureTask[5]; |
577 |
for (int i = 0; i < tasks.length; i++) { |
578 |
Callable task = new CheckedCallable<Boolean>() { |
579 |
public Boolean realCall() throws InterruptedException { |
580 |
threadStarted.countDown(); |
581 |
assertSame(q, p.getQueue()); |
582 |
done.await(); |
583 |
return Boolean.TRUE; |
584 |
}}; |
585 |
tasks[i] = new FutureTask(task); |
586 |
p.execute(tasks[i]); |
587 |
} |
588 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
589 |
assertSame(q, p.getQueue()); |
590 |
assertFalse(q.contains(tasks[0])); |
591 |
assertTrue(q.contains(tasks[tasks.length - 1])); |
592 |
assertEquals(tasks.length - 1, q.size()); |
593 |
} finally { |
594 |
done.countDown(); |
595 |
joinPool(p); |
596 |
} |
597 |
} |
598 |
|
599 |
/** |
600 |
* remove(task) removes queued task, and fails to remove active task |
601 |
*/ |
602 |
public void testRemove() throws InterruptedException { |
603 |
BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
604 |
final ThreadPoolExecutor p = |
605 |
new CustomTPE(1, 1, |
606 |
LONG_DELAY_MS, MILLISECONDS, |
607 |
q); |
608 |
Runnable[] tasks = new Runnable[6]; |
609 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
610 |
final CountDownLatch done = new CountDownLatch(1); |
611 |
try { |
612 |
for (int i = 0; i < tasks.length; i++) { |
613 |
tasks[i] = new CheckedRunnable() { |
614 |
public void realRun() throws InterruptedException { |
615 |
threadStarted.countDown(); |
616 |
done.await(); |
617 |
}}; |
618 |
p.execute(tasks[i]); |
619 |
} |
620 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
621 |
assertFalse(p.remove(tasks[0])); |
622 |
assertTrue(q.contains(tasks[4])); |
623 |
assertTrue(q.contains(tasks[3])); |
624 |
assertTrue(p.remove(tasks[4])); |
625 |
assertFalse(p.remove(tasks[4])); |
626 |
assertFalse(q.contains(tasks[4])); |
627 |
assertTrue(q.contains(tasks[3])); |
628 |
assertTrue(p.remove(tasks[3])); |
629 |
assertFalse(q.contains(tasks[3])); |
630 |
} finally { |
631 |
done.countDown(); |
632 |
joinPool(p); |
633 |
} |
634 |
} |
635 |
|
636 |
/** |
637 |
* purge removes cancelled tasks from the queue |
638 |
*/ |
639 |
public void testPurge() throws InterruptedException { |
640 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
641 |
final CountDownLatch done = new CountDownLatch(1); |
642 |
final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
643 |
final ThreadPoolExecutor p = |
644 |
new CustomTPE(1, 1, |
645 |
LONG_DELAY_MS, MILLISECONDS, |
646 |
q); |
647 |
FutureTask[] tasks = new FutureTask[5]; |
648 |
try { |
649 |
for (int i = 0; i < tasks.length; i++) { |
650 |
Callable task = new CheckedCallable<Boolean>() { |
651 |
public Boolean realCall() throws InterruptedException { |
652 |
threadStarted.countDown(); |
653 |
done.await(); |
654 |
return Boolean.TRUE; |
655 |
}}; |
656 |
tasks[i] = new FutureTask(task); |
657 |
p.execute(tasks[i]); |
658 |
} |
659 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
660 |
assertEquals(tasks.length, p.getTaskCount()); |
661 |
assertEquals(tasks.length - 1, q.size()); |
662 |
assertEquals(1L, p.getActiveCount()); |
663 |
assertEquals(0L, p.getCompletedTaskCount()); |
664 |
tasks[4].cancel(true); |
665 |
tasks[3].cancel(false); |
666 |
p.purge(); |
667 |
assertEquals(tasks.length - 3, q.size()); |
668 |
assertEquals(tasks.length - 2, p.getTaskCount()); |
669 |
p.purge(); // Nothing to do |
670 |
assertEquals(tasks.length - 3, q.size()); |
671 |
assertEquals(tasks.length - 2, p.getTaskCount()); |
672 |
} finally { |
673 |
done.countDown(); |
674 |
joinPool(p); |
675 |
} |
676 |
} |
677 |
|
678 |
/** |
679 |
* shutdownNow returns a list containing tasks that were not run |
680 |
*/ |
681 |
public void testShutdownNow() { |
682 |
ThreadPoolExecutor p = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
683 |
List l; |
684 |
try { |
685 |
for (int i = 0; i < 5; i++) |
686 |
p.execute(new MediumPossiblyInterruptedRunnable()); |
687 |
} |
688 |
finally { |
689 |
try { |
690 |
l = p.shutdownNow(); |
691 |
} catch (SecurityException ok) { return; } |
692 |
} |
693 |
assertTrue(p.isShutdown()); |
694 |
assertTrue(l.size() <= 4); |
695 |
} |
696 |
|
697 |
// Exception Tests |
698 |
|
699 |
/** |
700 |
* Constructor throws if corePoolSize argument is less than zero |
701 |
*/ |
702 |
public void testConstructor1() { |
703 |
try { |
704 |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
705 |
shouldThrow(); |
706 |
} catch (IllegalArgumentException success) {} |
707 |
} |
708 |
|
709 |
/** |
710 |
* Constructor throws if maximumPoolSize is less than zero |
711 |
*/ |
712 |
public void testConstructor2() { |
713 |
try { |
714 |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
715 |
shouldThrow(); |
716 |
} catch (IllegalArgumentException success) {} |
717 |
} |
718 |
|
719 |
/** |
720 |
* Constructor throws if maximumPoolSize is equal to zero |
721 |
*/ |
722 |
public void testConstructor3() { |
723 |
try { |
724 |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
725 |
shouldThrow(); |
726 |
} catch (IllegalArgumentException success) {} |
727 |
} |
728 |
|
729 |
/** |
730 |
* Constructor throws if keepAliveTime is less than zero |
731 |
*/ |
732 |
public void testConstructor4() { |
733 |
try { |
734 |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
735 |
shouldThrow(); |
736 |
} catch (IllegalArgumentException success) {} |
737 |
} |
738 |
|
739 |
/** |
740 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
741 |
*/ |
742 |
public void testConstructor5() { |
743 |
try { |
744 |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
745 |
shouldThrow(); |
746 |
} catch (IllegalArgumentException success) {} |
747 |
} |
748 |
|
749 |
/** |
750 |
* Constructor throws if workQueue is set to null |
751 |
*/ |
752 |
public void testConstructorNullPointerException() { |
753 |
try { |
754 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null); |
755 |
shouldThrow(); |
756 |
} catch (NullPointerException success) {} |
757 |
} |
758 |
|
759 |
/** |
760 |
* Constructor throws if corePoolSize argument is less than zero |
761 |
*/ |
762 |
public void testConstructor6() { |
763 |
try { |
764 |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
765 |
shouldThrow(); |
766 |
} catch (IllegalArgumentException success) {} |
767 |
} |
768 |
|
769 |
/** |
770 |
* Constructor throws if maximumPoolSize is less than zero |
771 |
*/ |
772 |
public void testConstructor7() { |
773 |
try { |
774 |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
775 |
shouldThrow(); |
776 |
} catch (IllegalArgumentException success) {} |
777 |
} |
778 |
|
779 |
/** |
780 |
* Constructor throws if maximumPoolSize is equal to zero |
781 |
*/ |
782 |
public void testConstructor8() { |
783 |
try { |
784 |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
785 |
shouldThrow(); |
786 |
} catch (IllegalArgumentException success) {} |
787 |
} |
788 |
|
789 |
/** |
790 |
* Constructor throws if keepAliveTime is less than zero |
791 |
*/ |
792 |
public void testConstructor9() { |
793 |
try { |
794 |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
795 |
shouldThrow(); |
796 |
} catch (IllegalArgumentException success) {} |
797 |
} |
798 |
|
799 |
/** |
800 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
801 |
*/ |
802 |
public void testConstructor10() { |
803 |
try { |
804 |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
805 |
shouldThrow(); |
806 |
} catch (IllegalArgumentException success) {} |
807 |
} |
808 |
|
809 |
/** |
810 |
* Constructor throws if workQueue is set to null |
811 |
*/ |
812 |
public void testConstructorNullPointerException2() { |
813 |
try { |
814 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory()); |
815 |
shouldThrow(); |
816 |
} catch (NullPointerException success) {} |
817 |
} |
818 |
|
819 |
/** |
820 |
* Constructor throws if threadFactory is set to null |
821 |
*/ |
822 |
public void testConstructorNullPointerException3() { |
823 |
try { |
824 |
ThreadFactory f = null; |
825 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f); |
826 |
shouldThrow(); |
827 |
} catch (NullPointerException success) {} |
828 |
} |
829 |
|
830 |
/** |
831 |
* Constructor throws if corePoolSize argument is less than zero |
832 |
*/ |
833 |
public void testConstructor11() { |
834 |
try { |
835 |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
836 |
shouldThrow(); |
837 |
} catch (IllegalArgumentException success) {} |
838 |
} |
839 |
|
840 |
/** |
841 |
* Constructor throws if maximumPoolSize is less than zero |
842 |
*/ |
843 |
public void testConstructor12() { |
844 |
try { |
845 |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
846 |
shouldThrow(); |
847 |
} catch (IllegalArgumentException success) {} |
848 |
} |
849 |
|
850 |
/** |
851 |
* Constructor throws if maximumPoolSize is equal to zero |
852 |
*/ |
853 |
public void testConstructor13() { |
854 |
try { |
855 |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
856 |
shouldThrow(); |
857 |
} catch (IllegalArgumentException success) {} |
858 |
} |
859 |
|
860 |
/** |
861 |
* Constructor throws if keepAliveTime is less than zero |
862 |
*/ |
863 |
public void testConstructor14() { |
864 |
try { |
865 |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
866 |
shouldThrow(); |
867 |
} catch (IllegalArgumentException success) {} |
868 |
} |
869 |
|
870 |
/** |
871 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
872 |
*/ |
873 |
public void testConstructor15() { |
874 |
try { |
875 |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
876 |
shouldThrow(); |
877 |
} catch (IllegalArgumentException success) {} |
878 |
} |
879 |
|
880 |
/** |
881 |
* Constructor throws if workQueue is set to null |
882 |
*/ |
883 |
public void testConstructorNullPointerException4() { |
884 |
try { |
885 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new NoOpREHandler()); |
886 |
shouldThrow(); |
887 |
} catch (NullPointerException success) {} |
888 |
} |
889 |
|
890 |
/** |
891 |
* Constructor throws if handler is set to null |
892 |
*/ |
893 |
public void testConstructorNullPointerException5() { |
894 |
try { |
895 |
RejectedExecutionHandler r = null; |
896 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r); |
897 |
shouldThrow(); |
898 |
} catch (NullPointerException success) {} |
899 |
} |
900 |
|
901 |
/** |
902 |
* Constructor throws if corePoolSize argument is less than zero |
903 |
*/ |
904 |
public void testConstructor16() { |
905 |
try { |
906 |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
907 |
shouldThrow(); |
908 |
} catch (IllegalArgumentException success) {} |
909 |
} |
910 |
|
911 |
/** |
912 |
* Constructor throws if maximumPoolSize is less than zero |
913 |
*/ |
914 |
public void testConstructor17() { |
915 |
try { |
916 |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
917 |
shouldThrow(); |
918 |
} catch (IllegalArgumentException success) {} |
919 |
} |
920 |
|
921 |
/** |
922 |
* Constructor throws if maximumPoolSize is equal to zero |
923 |
*/ |
924 |
public void testConstructor18() { |
925 |
try { |
926 |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
927 |
shouldThrow(); |
928 |
} catch (IllegalArgumentException success) {} |
929 |
} |
930 |
|
931 |
/** |
932 |
* Constructor throws if keepAliveTime is less than zero |
933 |
*/ |
934 |
public void testConstructor19() { |
935 |
try { |
936 |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
937 |
shouldThrow(); |
938 |
} catch (IllegalArgumentException success) {} |
939 |
} |
940 |
|
941 |
/** |
942 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
943 |
*/ |
944 |
public void testConstructor20() { |
945 |
try { |
946 |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
947 |
shouldThrow(); |
948 |
} catch (IllegalArgumentException success) {} |
949 |
} |
950 |
|
951 |
/** |
952 |
* Constructor throws if workQueue is null |
953 |
*/ |
954 |
public void testConstructorNullPointerException6() { |
955 |
try { |
956 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler()); |
957 |
shouldThrow(); |
958 |
} catch (NullPointerException success) {} |
959 |
} |
960 |
|
961 |
/** |
962 |
* Constructor throws if handler is null |
963 |
*/ |
964 |
public void testConstructorNullPointerException7() { |
965 |
try { |
966 |
RejectedExecutionHandler r = null; |
967 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r); |
968 |
shouldThrow(); |
969 |
} catch (NullPointerException success) {} |
970 |
} |
971 |
|
972 |
/** |
973 |
* Constructor throws if ThreadFactory is null |
974 |
*/ |
975 |
public void testConstructorNullPointerException8() { |
976 |
try { |
977 |
new CustomTPE(1, 2, |
978 |
LONG_DELAY_MS, MILLISECONDS, |
979 |
new ArrayBlockingQueue<Runnable>(10), |
980 |
(ThreadFactory) null, |
981 |
new NoOpREHandler()); |
982 |
shouldThrow(); |
983 |
} catch (NullPointerException success) {} |
984 |
} |
985 |
|
986 |
/** |
987 |
* execute throws RejectedExecutionException if saturated. |
988 |
*/ |
989 |
public void testSaturatedExecute() { |
990 |
ThreadPoolExecutor p = |
991 |
new CustomTPE(1, 1, |
992 |
LONG_DELAY_MS, MILLISECONDS, |
993 |
new ArrayBlockingQueue<Runnable>(1)); |
994 |
final CountDownLatch done = new CountDownLatch(1); |
995 |
try { |
996 |
Runnable task = new CheckedRunnable() { |
997 |
public void realRun() throws InterruptedException { |
998 |
done.await(); |
999 |
}}; |
1000 |
for (int i = 0; i < 2; ++i) |
1001 |
p.execute(task); |
1002 |
for (int i = 0; i < 2; ++i) { |
1003 |
try { |
1004 |
p.execute(task); |
1005 |
shouldThrow(); |
1006 |
} catch (RejectedExecutionException success) {} |
1007 |
assertTrue(p.getTaskCount() <= 2); |
1008 |
} |
1009 |
} finally { |
1010 |
done.countDown(); |
1011 |
joinPool(p); |
1012 |
} |
1013 |
} |
1014 |
|
1015 |
/** |
1016 |
* executor using CallerRunsPolicy runs task if saturated. |
1017 |
*/ |
1018 |
public void testSaturatedExecute2() { |
1019 |
RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy(); |
1020 |
ThreadPoolExecutor p = new CustomTPE(1, 1, |
1021 |
LONG_DELAY_MS, MILLISECONDS, |
1022 |
new ArrayBlockingQueue<Runnable>(1), |
1023 |
h); |
1024 |
try { |
1025 |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1026 |
for (int i = 0; i < tasks.length; ++i) |
1027 |
tasks[i] = new TrackedNoOpRunnable(); |
1028 |
TrackedLongRunnable mr = new TrackedLongRunnable(); |
1029 |
p.execute(mr); |
1030 |
for (int i = 0; i < tasks.length; ++i) |
1031 |
p.execute(tasks[i]); |
1032 |
for (int i = 1; i < tasks.length; ++i) |
1033 |
assertTrue(tasks[i].done); |
1034 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1035 |
} finally { |
1036 |
joinPool(p); |
1037 |
} |
1038 |
} |
1039 |
|
1040 |
/** |
1041 |
* executor using DiscardPolicy drops task if saturated. |
1042 |
*/ |
1043 |
public void testSaturatedExecute3() { |
1044 |
RejectedExecutionHandler h = new CustomTPE.DiscardPolicy(); |
1045 |
ThreadPoolExecutor p = |
1046 |
new CustomTPE(1, 1, |
1047 |
LONG_DELAY_MS, MILLISECONDS, |
1048 |
new ArrayBlockingQueue<Runnable>(1), |
1049 |
h); |
1050 |
try { |
1051 |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1052 |
for (int i = 0; i < tasks.length; ++i) |
1053 |
tasks[i] = new TrackedNoOpRunnable(); |
1054 |
p.execute(new TrackedLongRunnable()); |
1055 |
for (TrackedNoOpRunnable task : tasks) |
1056 |
p.execute(task); |
1057 |
for (TrackedNoOpRunnable task : tasks) |
1058 |
assertFalse(task.done); |
1059 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1060 |
} finally { |
1061 |
joinPool(p); |
1062 |
} |
1063 |
} |
1064 |
|
1065 |
/** |
1066 |
* executor using DiscardOldestPolicy drops oldest task if saturated. |
1067 |
*/ |
1068 |
public void testSaturatedExecute4() { |
1069 |
RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy(); |
1070 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
1071 |
try { |
1072 |
p.execute(new TrackedLongRunnable()); |
1073 |
TrackedLongRunnable r2 = new TrackedLongRunnable(); |
1074 |
p.execute(r2); |
1075 |
assertTrue(p.getQueue().contains(r2)); |
1076 |
TrackedNoOpRunnable r3 = new TrackedNoOpRunnable(); |
1077 |
p.execute(r3); |
1078 |
assertFalse(p.getQueue().contains(r2)); |
1079 |
assertTrue(p.getQueue().contains(r3)); |
1080 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1081 |
} finally { |
1082 |
joinPool(p); |
1083 |
} |
1084 |
} |
1085 |
|
1086 |
/** |
1087 |
* execute throws RejectedExecutionException if shutdown |
1088 |
*/ |
1089 |
public void testRejectedExecutionExceptionOnShutdown() { |
1090 |
ThreadPoolExecutor p = |
1091 |
new CustomTPE(1,1,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(1)); |
1092 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1093 |
try { |
1094 |
p.execute(new NoOpRunnable()); |
1095 |
shouldThrow(); |
1096 |
} catch (RejectedExecutionException success) {} |
1097 |
|
1098 |
joinPool(p); |
1099 |
} |
1100 |
|
1101 |
/** |
1102 |
* execute using CallerRunsPolicy drops task on shutdown |
1103 |
*/ |
1104 |
public void testCallerRunsOnShutdown() { |
1105 |
RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy(); |
1106 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
1107 |
|
1108 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1109 |
try { |
1110 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1111 |
p.execute(r); |
1112 |
assertFalse(r.done); |
1113 |
} finally { |
1114 |
joinPool(p); |
1115 |
} |
1116 |
} |
1117 |
|
1118 |
/** |
1119 |
* execute using DiscardPolicy drops task on shutdown |
1120 |
*/ |
1121 |
public void testDiscardOnShutdown() { |
1122 |
RejectedExecutionHandler h = new CustomTPE.DiscardPolicy(); |
1123 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
1124 |
|
1125 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1126 |
try { |
1127 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1128 |
p.execute(r); |
1129 |
assertFalse(r.done); |
1130 |
} finally { |
1131 |
joinPool(p); |
1132 |
} |
1133 |
} |
1134 |
|
1135 |
/** |
1136 |
* execute using DiscardOldestPolicy drops task on shutdown |
1137 |
*/ |
1138 |
public void testDiscardOldestOnShutdown() { |
1139 |
RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy(); |
1140 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
1141 |
|
1142 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1143 |
try { |
1144 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1145 |
p.execute(r); |
1146 |
assertFalse(r.done); |
1147 |
} finally { |
1148 |
joinPool(p); |
1149 |
} |
1150 |
} |
1151 |
|
1152 |
/** |
1153 |
* execute(null) throws NPE |
1154 |
*/ |
1155 |
public void testExecuteNull() { |
1156 |
ThreadPoolExecutor p = null; |
1157 |
try { |
1158 |
p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1159 |
p.execute(null); |
1160 |
shouldThrow(); |
1161 |
} catch (NullPointerException success) {} |
1162 |
|
1163 |
joinPool(p); |
1164 |
} |
1165 |
|
1166 |
/** |
1167 |
* setCorePoolSize of negative value throws IllegalArgumentException |
1168 |
*/ |
1169 |
public void testCorePoolSizeIllegalArgumentException() { |
1170 |
ThreadPoolExecutor p = |
1171 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1172 |
try { |
1173 |
p.setCorePoolSize(-1); |
1174 |
shouldThrow(); |
1175 |
} catch (IllegalArgumentException success) { |
1176 |
} finally { |
1177 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1178 |
} |
1179 |
joinPool(p); |
1180 |
} |
1181 |
|
1182 |
/** |
1183 |
* setMaximumPoolSize(int) throws IllegalArgumentException |
1184 |
* if given a value less the core pool size |
1185 |
*/ |
1186 |
public void testMaximumPoolSizeIllegalArgumentException() { |
1187 |
ThreadPoolExecutor p = |
1188 |
new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1189 |
try { |
1190 |
p.setMaximumPoolSize(1); |
1191 |
shouldThrow(); |
1192 |
} catch (IllegalArgumentException success) { |
1193 |
} finally { |
1194 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1195 |
} |
1196 |
joinPool(p); |
1197 |
} |
1198 |
|
1199 |
/** |
1200 |
* setMaximumPoolSize throws IllegalArgumentException |
1201 |
* if given a negative value |
1202 |
*/ |
1203 |
public void testMaximumPoolSizeIllegalArgumentException2() { |
1204 |
ThreadPoolExecutor p = |
1205 |
new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1206 |
try { |
1207 |
p.setMaximumPoolSize(-1); |
1208 |
shouldThrow(); |
1209 |
} catch (IllegalArgumentException success) { |
1210 |
} finally { |
1211 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1212 |
} |
1213 |
joinPool(p); |
1214 |
} |
1215 |
|
1216 |
/** |
1217 |
* setKeepAliveTime throws IllegalArgumentException |
1218 |
* when given a negative value |
1219 |
*/ |
1220 |
public void testKeepAliveTimeIllegalArgumentException() { |
1221 |
ThreadPoolExecutor p = |
1222 |
new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1223 |
|
1224 |
try { |
1225 |
p.setKeepAliveTime(-1,MILLISECONDS); |
1226 |
shouldThrow(); |
1227 |
} catch (IllegalArgumentException success) { |
1228 |
} finally { |
1229 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1230 |
} |
1231 |
joinPool(p); |
1232 |
} |
1233 |
|
1234 |
/** |
1235 |
* terminated() is called on termination |
1236 |
*/ |
1237 |
public void testTerminated() { |
1238 |
CustomTPE p = new CustomTPE(); |
1239 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1240 |
assertTrue(p.terminatedCalled()); |
1241 |
joinPool(p); |
1242 |
} |
1243 |
|
1244 |
/** |
1245 |
* beforeExecute and afterExecute are called when executing task |
1246 |
*/ |
1247 |
public void testBeforeAfter() throws InterruptedException { |
1248 |
CustomTPE p = new CustomTPE(); |
1249 |
try { |
1250 |
final CountDownLatch done = new CountDownLatch(1); |
1251 |
final CheckedRunnable task = new CheckedRunnable() { |
1252 |
public void realRun() { |
1253 |
done.countDown(); |
1254 |
}}; |
1255 |
p.execute(task); |
1256 |
await(p.afterCalled); |
1257 |
assertEquals(0, done.getCount()); |
1258 |
assertTrue(p.afterCalled()); |
1259 |
assertTrue(p.beforeCalled()); |
1260 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1261 |
} finally { |
1262 |
joinPool(p); |
1263 |
} |
1264 |
} |
1265 |
|
1266 |
/** |
1267 |
* completed submit of callable returns result |
1268 |
*/ |
1269 |
public void testSubmitCallable() throws Exception { |
1270 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1271 |
try { |
1272 |
Future<String> future = e.submit(new StringTask()); |
1273 |
String result = future.get(); |
1274 |
assertSame(TEST_STRING, result); |
1275 |
} finally { |
1276 |
joinPool(e); |
1277 |
} |
1278 |
} |
1279 |
|
1280 |
/** |
1281 |
* completed submit of runnable returns successfully |
1282 |
*/ |
1283 |
public void testSubmitRunnable() throws Exception { |
1284 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1285 |
try { |
1286 |
Future<?> future = e.submit(new NoOpRunnable()); |
1287 |
future.get(); |
1288 |
assertTrue(future.isDone()); |
1289 |
} finally { |
1290 |
joinPool(e); |
1291 |
} |
1292 |
} |
1293 |
|
1294 |
/** |
1295 |
* completed submit of (runnable, result) returns result |
1296 |
*/ |
1297 |
public void testSubmitRunnable2() throws Exception { |
1298 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1299 |
try { |
1300 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
1301 |
String result = future.get(); |
1302 |
assertSame(TEST_STRING, result); |
1303 |
} finally { |
1304 |
joinPool(e); |
1305 |
} |
1306 |
} |
1307 |
|
1308 |
/** |
1309 |
* invokeAny(null) throws NPE |
1310 |
*/ |
1311 |
public void testInvokeAny1() throws Exception { |
1312 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1313 |
try { |
1314 |
e.invokeAny(null); |
1315 |
shouldThrow(); |
1316 |
} catch (NullPointerException success) { |
1317 |
} finally { |
1318 |
joinPool(e); |
1319 |
} |
1320 |
} |
1321 |
|
1322 |
/** |
1323 |
* invokeAny(empty collection) throws IAE |
1324 |
*/ |
1325 |
public void testInvokeAny2() throws Exception { |
1326 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1327 |
try { |
1328 |
e.invokeAny(new ArrayList<Callable<String>>()); |
1329 |
shouldThrow(); |
1330 |
} catch (IllegalArgumentException success) { |
1331 |
} finally { |
1332 |
joinPool(e); |
1333 |
} |
1334 |
} |
1335 |
|
1336 |
/** |
1337 |
* invokeAny(c) throws NPE if c has null elements |
1338 |
*/ |
1339 |
public void testInvokeAny3() throws Exception { |
1340 |
CountDownLatch latch = new CountDownLatch(1); |
1341 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1342 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1343 |
l.add(latchAwaitingStringTask(latch)); |
1344 |
l.add(null); |
1345 |
try { |
1346 |
e.invokeAny(l); |
1347 |
shouldThrow(); |
1348 |
} catch (NullPointerException success) { |
1349 |
} finally { |
1350 |
latch.countDown(); |
1351 |
joinPool(e); |
1352 |
} |
1353 |
} |
1354 |
|
1355 |
/** |
1356 |
* invokeAny(c) throws ExecutionException if no task completes |
1357 |
*/ |
1358 |
public void testInvokeAny4() throws Exception { |
1359 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1360 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1361 |
l.add(new NPETask()); |
1362 |
try { |
1363 |
e.invokeAny(l); |
1364 |
shouldThrow(); |
1365 |
} catch (ExecutionException success) { |
1366 |
assertTrue(success.getCause() instanceof NullPointerException); |
1367 |
} finally { |
1368 |
joinPool(e); |
1369 |
} |
1370 |
} |
1371 |
|
1372 |
/** |
1373 |
* invokeAny(c) returns result of some task |
1374 |
*/ |
1375 |
public void testInvokeAny5() throws Exception { |
1376 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1377 |
try { |
1378 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1379 |
l.add(new StringTask()); |
1380 |
l.add(new StringTask()); |
1381 |
String result = e.invokeAny(l); |
1382 |
assertSame(TEST_STRING, result); |
1383 |
} finally { |
1384 |
joinPool(e); |
1385 |
} |
1386 |
} |
1387 |
|
1388 |
/** |
1389 |
* invokeAll(null) throws NPE |
1390 |
*/ |
1391 |
public void testInvokeAll1() throws Exception { |
1392 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1393 |
try { |
1394 |
e.invokeAll(null); |
1395 |
shouldThrow(); |
1396 |
} catch (NullPointerException success) { |
1397 |
} finally { |
1398 |
joinPool(e); |
1399 |
} |
1400 |
} |
1401 |
|
1402 |
/** |
1403 |
* invokeAll(empty collection) returns empty collection |
1404 |
*/ |
1405 |
public void testInvokeAll2() throws Exception { |
1406 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1407 |
try { |
1408 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
1409 |
assertTrue(r.isEmpty()); |
1410 |
} finally { |
1411 |
joinPool(e); |
1412 |
} |
1413 |
} |
1414 |
|
1415 |
/** |
1416 |
* invokeAll(c) throws NPE if c has null elements |
1417 |
*/ |
1418 |
public void testInvokeAll3() throws Exception { |
1419 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1420 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1421 |
l.add(new StringTask()); |
1422 |
l.add(null); |
1423 |
try { |
1424 |
e.invokeAll(l); |
1425 |
shouldThrow(); |
1426 |
} catch (NullPointerException success) { |
1427 |
} finally { |
1428 |
joinPool(e); |
1429 |
} |
1430 |
} |
1431 |
|
1432 |
/** |
1433 |
* get of element of invokeAll(c) throws exception on failed task |
1434 |
*/ |
1435 |
public void testInvokeAll4() throws Exception { |
1436 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1437 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1438 |
l.add(new NPETask()); |
1439 |
List<Future<String>> futures = e.invokeAll(l); |
1440 |
assertEquals(1, futures.size()); |
1441 |
try { |
1442 |
futures.get(0).get(); |
1443 |
shouldThrow(); |
1444 |
} catch (ExecutionException success) { |
1445 |
assertTrue(success.getCause() instanceof NullPointerException); |
1446 |
} finally { |
1447 |
joinPool(e); |
1448 |
} |
1449 |
} |
1450 |
|
1451 |
/** |
1452 |
* invokeAll(c) returns results of all completed tasks |
1453 |
*/ |
1454 |
public void testInvokeAll5() throws Exception { |
1455 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1456 |
try { |
1457 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1458 |
l.add(new StringTask()); |
1459 |
l.add(new StringTask()); |
1460 |
List<Future<String>> futures = e.invokeAll(l); |
1461 |
assertEquals(2, futures.size()); |
1462 |
for (Future<String> future : futures) |
1463 |
assertSame(TEST_STRING, future.get()); |
1464 |
} finally { |
1465 |
joinPool(e); |
1466 |
} |
1467 |
} |
1468 |
|
1469 |
/** |
1470 |
* timed invokeAny(null) throws NPE |
1471 |
*/ |
1472 |
public void testTimedInvokeAny1() throws Exception { |
1473 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1474 |
try { |
1475 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1476 |
shouldThrow(); |
1477 |
} catch (NullPointerException success) { |
1478 |
} finally { |
1479 |
joinPool(e); |
1480 |
} |
1481 |
} |
1482 |
|
1483 |
/** |
1484 |
* timed invokeAny(,,null) throws NPE |
1485 |
*/ |
1486 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1487 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1488 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1489 |
l.add(new StringTask()); |
1490 |
try { |
1491 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1492 |
shouldThrow(); |
1493 |
} catch (NullPointerException success) { |
1494 |
} finally { |
1495 |
joinPool(e); |
1496 |
} |
1497 |
} |
1498 |
|
1499 |
/** |
1500 |
* timed invokeAny(empty collection) throws IAE |
1501 |
*/ |
1502 |
public void testTimedInvokeAny2() throws Exception { |
1503 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1504 |
try { |
1505 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1506 |
shouldThrow(); |
1507 |
} catch (IllegalArgumentException success) { |
1508 |
} finally { |
1509 |
joinPool(e); |
1510 |
} |
1511 |
} |
1512 |
|
1513 |
/** |
1514 |
* timed invokeAny(c) throws NPE if c has null elements |
1515 |
*/ |
1516 |
public void testTimedInvokeAny3() throws Exception { |
1517 |
CountDownLatch latch = new CountDownLatch(1); |
1518 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1519 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1520 |
l.add(latchAwaitingStringTask(latch)); |
1521 |
l.add(null); |
1522 |
try { |
1523 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1524 |
shouldThrow(); |
1525 |
} catch (NullPointerException success) { |
1526 |
} finally { |
1527 |
latch.countDown(); |
1528 |
joinPool(e); |
1529 |
} |
1530 |
} |
1531 |
|
1532 |
/** |
1533 |
* timed invokeAny(c) throws ExecutionException if no task completes |
1534 |
*/ |
1535 |
public void testTimedInvokeAny4() throws Exception { |
1536 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1537 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1538 |
l.add(new NPETask()); |
1539 |
try { |
1540 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1541 |
shouldThrow(); |
1542 |
} catch (ExecutionException success) { |
1543 |
assertTrue(success.getCause() instanceof NullPointerException); |
1544 |
} finally { |
1545 |
joinPool(e); |
1546 |
} |
1547 |
} |
1548 |
|
1549 |
/** |
1550 |
* timed invokeAny(c) returns result of some task |
1551 |
*/ |
1552 |
public void testTimedInvokeAny5() throws Exception { |
1553 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1554 |
try { |
1555 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1556 |
l.add(new StringTask()); |
1557 |
l.add(new StringTask()); |
1558 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1559 |
assertSame(TEST_STRING, result); |
1560 |
} finally { |
1561 |
joinPool(e); |
1562 |
} |
1563 |
} |
1564 |
|
1565 |
/** |
1566 |
* timed invokeAll(null) throws NPE |
1567 |
*/ |
1568 |
public void testTimedInvokeAll1() throws Exception { |
1569 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1570 |
try { |
1571 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1572 |
shouldThrow(); |
1573 |
} catch (NullPointerException success) { |
1574 |
} finally { |
1575 |
joinPool(e); |
1576 |
} |
1577 |
} |
1578 |
|
1579 |
/** |
1580 |
* timed invokeAll(,,null) throws NPE |
1581 |
*/ |
1582 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1583 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1584 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1585 |
l.add(new StringTask()); |
1586 |
try { |
1587 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1588 |
shouldThrow(); |
1589 |
} catch (NullPointerException success) { |
1590 |
} finally { |
1591 |
joinPool(e); |
1592 |
} |
1593 |
} |
1594 |
|
1595 |
/** |
1596 |
* timed invokeAll(empty collection) returns empty collection |
1597 |
*/ |
1598 |
public void testTimedInvokeAll2() throws Exception { |
1599 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1600 |
try { |
1601 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1602 |
assertTrue(r.isEmpty()); |
1603 |
} finally { |
1604 |
joinPool(e); |
1605 |
} |
1606 |
} |
1607 |
|
1608 |
/** |
1609 |
* timed invokeAll(c) throws NPE if c has null elements |
1610 |
*/ |
1611 |
public void testTimedInvokeAll3() throws Exception { |
1612 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1613 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1614 |
l.add(new StringTask()); |
1615 |
l.add(null); |
1616 |
try { |
1617 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1618 |
shouldThrow(); |
1619 |
} catch (NullPointerException success) { |
1620 |
} finally { |
1621 |
joinPool(e); |
1622 |
} |
1623 |
} |
1624 |
|
1625 |
/** |
1626 |
* get of element of invokeAll(c) throws exception on failed task |
1627 |
*/ |
1628 |
public void testTimedInvokeAll4() throws Exception { |
1629 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1630 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1631 |
l.add(new NPETask()); |
1632 |
List<Future<String>> futures = |
1633 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1634 |
assertEquals(1, futures.size()); |
1635 |
try { |
1636 |
futures.get(0).get(); |
1637 |
shouldThrow(); |
1638 |
} catch (ExecutionException success) { |
1639 |
assertTrue(success.getCause() instanceof NullPointerException); |
1640 |
} finally { |
1641 |
joinPool(e); |
1642 |
} |
1643 |
} |
1644 |
|
1645 |
/** |
1646 |
* timed invokeAll(c) returns results of all completed tasks |
1647 |
*/ |
1648 |
public void testTimedInvokeAll5() throws Exception { |
1649 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1650 |
try { |
1651 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1652 |
l.add(new StringTask()); |
1653 |
l.add(new StringTask()); |
1654 |
List<Future<String>> futures = |
1655 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1656 |
assertEquals(2, futures.size()); |
1657 |
for (Future<String> future : futures) |
1658 |
assertSame(TEST_STRING, future.get()); |
1659 |
} finally { |
1660 |
joinPool(e); |
1661 |
} |
1662 |
} |
1663 |
|
1664 |
/** |
1665 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1666 |
*/ |
1667 |
public void testTimedInvokeAll6() throws Exception { |
1668 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1669 |
try { |
1670 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1671 |
l.add(new StringTask()); |
1672 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1673 |
l.add(new StringTask()); |
1674 |
List<Future<String>> futures = |
1675 |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1676 |
assertEquals(l.size(), futures.size()); |
1677 |
for (Future future : futures) |
1678 |
assertTrue(future.isDone()); |
1679 |
assertFalse(futures.get(0).isCancelled()); |
1680 |
assertTrue(futures.get(1).isCancelled()); |
1681 |
} finally { |
1682 |
joinPool(e); |
1683 |
} |
1684 |
} |
1685 |
|
1686 |
/** |
1687 |
* Execution continues if there is at least one thread even if |
1688 |
* thread factory fails to create more |
1689 |
*/ |
1690 |
public void testFailingThreadFactory() throws InterruptedException { |
1691 |
final ExecutorService e = |
1692 |
new CustomTPE(100, 100, |
1693 |
LONG_DELAY_MS, MILLISECONDS, |
1694 |
new LinkedBlockingQueue<Runnable>(), |
1695 |
new FailingThreadFactory()); |
1696 |
try { |
1697 |
final int TASKS = 100; |
1698 |
final CountDownLatch done = new CountDownLatch(TASKS); |
1699 |
for (int k = 0; k < TASKS; ++k) |
1700 |
e.execute(new CheckedRunnable() { |
1701 |
public void realRun() { |
1702 |
done.countDown(); |
1703 |
}}); |
1704 |
assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS)); |
1705 |
} finally { |
1706 |
joinPool(e); |
1707 |
} |
1708 |
} |
1709 |
|
1710 |
/** |
1711 |
* allowsCoreThreadTimeOut is by default false. |
1712 |
*/ |
1713 |
public void testAllowsCoreThreadTimeOut() { |
1714 |
ThreadPoolExecutor p = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1715 |
assertFalse(p.allowsCoreThreadTimeOut()); |
1716 |
joinPool(p); |
1717 |
} |
1718 |
|
1719 |
/** |
1720 |
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1721 |
*/ |
1722 |
public void testAllowCoreThreadTimeOut_true() throws Exception { |
1723 |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1724 |
final ThreadPoolExecutor p = |
1725 |
new CustomTPE(2, 10, |
1726 |
coreThreadTimeOut, MILLISECONDS, |
1727 |
new ArrayBlockingQueue<Runnable>(10)); |
1728 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
1729 |
try { |
1730 |
p.allowCoreThreadTimeOut(true); |
1731 |
p.execute(new CheckedRunnable() { |
1732 |
public void realRun() throws InterruptedException { |
1733 |
threadStarted.countDown(); |
1734 |
assertEquals(1, p.getPoolSize()); |
1735 |
}}); |
1736 |
await(threadStarted); |
1737 |
delay(coreThreadTimeOut); |
1738 |
long startTime = System.nanoTime(); |
1739 |
while (p.getPoolSize() > 0 |
1740 |
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
1741 |
Thread.yield(); |
1742 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1743 |
assertEquals(0, p.getPoolSize()); |
1744 |
} finally { |
1745 |
joinPool(p); |
1746 |
} |
1747 |
} |
1748 |
|
1749 |
/** |
1750 |
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
1751 |
*/ |
1752 |
public void testAllowCoreThreadTimeOut_false() throws Exception { |
1753 |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1754 |
final ThreadPoolExecutor p = |
1755 |
new CustomTPE(2, 10, |
1756 |
coreThreadTimeOut, MILLISECONDS, |
1757 |
new ArrayBlockingQueue<Runnable>(10)); |
1758 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
1759 |
try { |
1760 |
p.allowCoreThreadTimeOut(false); |
1761 |
p.execute(new CheckedRunnable() { |
1762 |
public void realRun() throws InterruptedException { |
1763 |
threadStarted.countDown(); |
1764 |
assertTrue(p.getPoolSize() >= 1); |
1765 |
}}); |
1766 |
delay(2 * coreThreadTimeOut); |
1767 |
assertTrue(p.getPoolSize() >= 1); |
1768 |
} finally { |
1769 |
joinPool(p); |
1770 |
} |
1771 |
} |
1772 |
|
1773 |
} |