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import java.util.concurrent.RecursiveTask; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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+ |
import java.util.concurrent.atomic.AtomicInteger; |
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import java.util.concurrent.locks.ReentrantLock; |
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import junit.framework.AssertionFailedError; |
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// Some classes to test extension and factory methods |
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static class MyHandler implements Thread.UncaughtExceptionHandler { |
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volatile int catches = 0; |
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public void uncaughtException(Thread t, Throwable e) { |
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++catches; |
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} |
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} |
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static class MyError extends Error {} |
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// to test handlers |
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static class FailingThreadFactory |
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implements ForkJoinPool.ForkJoinWorkerThreadFactory { |
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< |
volatile int calls = 0; |
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> |
final AtomicInteger calls = new AtomicInteger(0); |
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public ForkJoinWorkerThread newThread(ForkJoinPool p) { |
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< |
if (++calls > 1) return null; |
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> |
if (calls.incrementAndGet() > 1) return null; |
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return new FailingFJWSubclass(p); |
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} |
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} |
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* getPoolSize returns number of started workers. |
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*/ |
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public void testGetPoolSize() { |
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< |
ForkJoinPool p = new ForkJoinPool(1); |
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> |
final CountDownLatch taskStarted = new CountDownLatch(1); |
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> |
final CountDownLatch done = new CountDownLatch(1); |
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> |
final ForkJoinPool p = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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assertEquals(0, p.getActiveThreadCount()); |
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< |
Future<String> future = p.submit(new StringTask()); |
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> |
final Runnable task = new CheckedRunnable() { |
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> |
public void realRun() throws InterruptedException { |
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> |
taskStarted.countDown(); |
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> |
assertEquals(1, p.getPoolSize()); |
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> |
assertEquals(1, p.getActiveThreadCount()); |
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> |
done.await(); |
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> |
}}; |
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> |
Future<?> future = p.submit(task); |
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> |
await(taskStarted); |
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assertEquals(1, p.getPoolSize()); |
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+ |
assertEquals(1, p.getActiveThreadCount()); |
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+ |
done.countDown(); |
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} |
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+ |
assertEquals(0, p.getPoolSize()); |
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+ |
assertEquals(0, p.getActiveThreadCount()); |
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} |
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/** |
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assertTrue(p.isQuiescent()); |
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assertFalse(p.getAsyncMode()); |
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– |
assertEquals(0, p.getActiveThreadCount()); |
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assertEquals(0, p.getQueuedTaskCount()); |
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assertEquals(0, p.getQueuedSubmissionCount()); |
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assertFalse(p.hasQueuedSubmissions()); |
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+ |
while (p.getActiveThreadCount() != 0 |
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+ |
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
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+ |
Thread.yield(); |
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assertFalse(p.isShutdown()); |
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assertFalse(p.isTerminating()); |
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assertFalse(p.isTerminated()); |
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assertTrue(f.isDone()); |
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assertEquals(6765, (int) f.get()); |
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assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
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} |
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} |
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public void testTimedInvokeAny5() throws Throwable { |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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+ |
long startTime = System.nanoTime(); |
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List<Callable<String>> l = new ArrayList<Callable<String>>(); |
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l.add(new StringTask()); |
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l.add(new StringTask()); |
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< |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 858 |
> |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
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assertSame(TEST_STRING, result); |
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+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
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} |
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} |
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