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dl |
1.1 |
/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import java.util.concurrent.locks.*; |
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import java.security.*; |
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jsr166 |
1.3 |
public class ForkJoinPoolTest extends JSR166TestCase { |
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dl |
1.1 |
public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(ForkJoinPoolTest.class); |
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} |
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/** |
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* Testing coverage notes: |
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* |
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* 1. shutdown and related methods are tested via super.joinPool. |
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* |
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* 2. newTaskFor and adapters are tested in submit/invoke tests |
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jsr166 |
1.2 |
* |
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dl |
1.1 |
* 3. We cannot portably test monitoring methods such as |
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* getStealCount() since they rely ultimately on random task |
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* stealing that may cause tasks not to be stolen/propagated |
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* across threads, especially on uniprocessors. |
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jsr166 |
1.2 |
* |
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dl |
1.1 |
* 4. There are no independently testable ForkJoinWorkerThread |
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* methods, but they are covered here and in task tests. |
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*/ |
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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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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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// to test handlers |
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static class FailingFJWSubclass extends ForkJoinWorkerThread { |
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public FailingFJWSubclass(ForkJoinPool p) { super(p) ; } |
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protected void onStart() { throw new Error(); } |
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} |
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static class FailingThreadFactory implements ForkJoinPool.ForkJoinWorkerThreadFactory { |
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int calls = 0; |
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jsr166 |
1.2 |
public ForkJoinWorkerThread newThread(ForkJoinPool p) { |
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dl |
1.1 |
if (++calls > 1) return null; |
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return new FailingFJWSubclass(p); |
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jsr166 |
1.2 |
} |
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dl |
1.1 |
} |
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jsr166 |
1.2 |
static class SubFJP extends ForkJoinPool { // to expose protected |
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dl |
1.1 |
SubFJP() { super(1); } |
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public int drainTasksTo(Collection<? super ForkJoinTask<?>> c) { |
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return super.drainTasksTo(c); |
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} |
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public ForkJoinTask<?> pollSubmission() { |
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return super.pollSubmission(); |
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} |
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} |
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static class ManagedLocker implements ForkJoinPool.ManagedBlocker { |
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final ReentrantLock lock; |
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boolean hasLock = false; |
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ManagedLocker(ReentrantLock lock) { this.lock = lock; } |
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public boolean block() { |
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if (!hasLock) |
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lock.lock(); |
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return true; |
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} |
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public boolean isReleasable() { |
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return hasLock || (hasLock = lock.tryLock()); |
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} |
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} |
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// A simple recursive task for testing |
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jsr166 |
1.2 |
static final class FibTask extends RecursiveTask<Integer> { |
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dl |
1.1 |
final int number; |
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FibTask(int n) { number = n; } |
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public Integer compute() { |
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int n = number; |
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if (n <= 1) |
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return n; |
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FibTask f1 = new FibTask(n - 1); |
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f1.fork(); |
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return (new FibTask(n - 2)).compute() + f1.join(); |
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} |
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} |
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// A failing task for testing |
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jsr166 |
1.2 |
static final class FailingTask extends ForkJoinTask<Void> { |
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dl |
1.1 |
public final Void getRawResult() { return null; } |
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protected final void setRawResult(Void mustBeNull) { } |
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protected final boolean exec() { throw new Error(); } |
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FailingTask() {} |
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} |
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// Fib needlessly using locking to test ManagedBlockers |
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jsr166 |
1.2 |
static final class LockingFibTask extends RecursiveTask<Integer> { |
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dl |
1.1 |
final int number; |
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final ManagedLocker locker; |
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final ReentrantLock lock; |
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jsr166 |
1.2 |
LockingFibTask(int n, ManagedLocker locker, ReentrantLock lock) { |
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number = n; |
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dl |
1.1 |
this.locker = locker; |
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this.lock = lock; |
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} |
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public Integer compute() { |
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int n; |
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LockingFibTask f1 = null; |
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LockingFibTask f2 = null; |
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locker.block(); |
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jsr166 |
1.2 |
n = number; |
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dl |
1.1 |
if (n > 1) { |
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f1 = new LockingFibTask(n - 1, locker, lock); |
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f2 = new LockingFibTask(n - 2, locker, lock); |
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} |
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lock.unlock(); |
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if (n <= 1) |
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return n; |
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else { |
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f1.fork(); |
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return f2.compute() + f1.join(); |
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} |
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} |
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} |
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jsr166 |
1.2 |
/** |
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dl |
1.1 |
* Succesfully constructed pool reports default factory, |
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* parallelism and async mode policies, no active threads or |
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* tasks, and quiescent running state. |
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*/ |
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public void testDefaultInitialState() { |
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ForkJoinPool p = null; |
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try { |
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p = new ForkJoinPool(1); |
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assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory); |
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assertTrue(p.isQuiescent()); |
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assertTrue(p.getMaintainsParallelism()); |
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assertFalse(p.getAsyncMode()); |
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assertTrue(p.getActiveThreadCount() == 0); |
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assertTrue(p.getStealCount() == 0); |
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assertTrue(p.getQueuedTaskCount() == 0); |
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assertTrue(p.getQueuedSubmissionCount() == 0); |
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assertFalse(p.hasQueuedSubmissions()); |
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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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} finally { |
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joinPool(p); |
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} |
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} |
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jsr166 |
1.2 |
/** |
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* Constructor throws if size argument is less than zero |
165 |
dl |
1.1 |
*/ |
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public void testConstructor1() { |
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try { |
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new ForkJoinPool(-1); |
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shouldThrow(); |
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} |
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jsr166 |
1.2 |
catch (IllegalArgumentException success) {} |
172 |
dl |
1.1 |
} |
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174 |
jsr166 |
1.2 |
/** |
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* Constructor throws if factory argument is null |
176 |
dl |
1.1 |
*/ |
177 |
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public void testConstructor2() { |
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try { |
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new ForkJoinPool(1, null); |
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shouldThrow(); |
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} |
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jsr166 |
1.2 |
catch (NullPointerException success) {} |
183 |
dl |
1.1 |
} |
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jsr166 |
1.2 |
/** |
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* getParallelism returns size set in constructor |
188 |
dl |
1.1 |
*/ |
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public void testGetParallelism() { |
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ForkJoinPool p = null; |
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try { |
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p = new ForkJoinPool(1); |
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assertTrue(p.getParallelism() == 1); |
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} finally { |
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joinPool(p); |
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} |
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} |
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jsr166 |
1.2 |
/** |
200 |
dl |
1.1 |
* setParallelism changes reported parallelism level. |
201 |
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*/ |
202 |
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public void testSetParallelism() { |
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ForkJoinPool p = null; |
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try { |
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p = new ForkJoinPool(1); |
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assertTrue(p.getParallelism() == 1); |
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p.setParallelism(2); |
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assertTrue(p.getParallelism() == 2); |
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} finally { |
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joinPool(p); |
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} |
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} |
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214 |
jsr166 |
1.2 |
/** |
215 |
dl |
1.1 |
* setParallelism with argument <= 0 throws exception |
216 |
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*/ |
217 |
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public void testSetParallelism2() { |
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ForkJoinPool p = null; |
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try { |
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p = new ForkJoinPool(1); |
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assertTrue(p.getParallelism() == 1); |
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p.setParallelism(-2); |
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shouldThrow(); |
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jsr166 |
1.2 |
} catch (IllegalArgumentException success) { |
225 |
dl |
1.1 |
} finally { |
226 |
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joinPool(p); |
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} |
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} |
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jsr166 |
1.2 |
/** |
231 |
dl |
1.1 |
* getPoolSize returns number of started workers. |
232 |
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*/ |
233 |
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public void testGetPoolSize() { |
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ForkJoinPool p = null; |
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try { |
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p = new ForkJoinPool(1); |
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assertTrue(p.getPoolSize() == 0); |
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Future<String> future = p.submit(new StringTask()); |
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assertTrue(p.getPoolSize() == 1); |
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241 |
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} finally { |
242 |
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joinPool(p); |
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} |
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} |
245 |
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246 |
jsr166 |
1.2 |
/** |
247 |
dl |
1.1 |
* setMaximumPoolSize changes size reported by getMaximumPoolSize. |
248 |
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*/ |
249 |
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public void testSetMaximumPoolSize() { |
250 |
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ForkJoinPool p = null; |
251 |
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try { |
252 |
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p = new ForkJoinPool(1); |
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p.setMaximumPoolSize(2); |
254 |
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assertTrue(p.getMaximumPoolSize() == 2); |
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} finally { |
256 |
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joinPool(p); |
257 |
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} |
258 |
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} |
259 |
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260 |
jsr166 |
1.2 |
/** |
261 |
dl |
1.1 |
* setMaximumPoolSize with argument <= 0 throws exception |
262 |
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*/ |
263 |
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public void testSetMaximumPoolSize2() { |
264 |
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ForkJoinPool p = null; |
265 |
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try { |
266 |
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p = new ForkJoinPool(1); |
267 |
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p.setMaximumPoolSize(-2); |
268 |
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shouldThrow(); |
269 |
jsr166 |
1.2 |
} catch (IllegalArgumentException success) { |
270 |
dl |
1.1 |
} finally { |
271 |
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joinPool(p); |
272 |
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} |
273 |
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} |
274 |
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275 |
jsr166 |
1.2 |
/** |
276 |
dl |
1.1 |
* setMaintainsParallelism changes policy reported by |
277 |
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* getMaintainsParallelism. |
278 |
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*/ |
279 |
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public void testSetMaintainsParallelism() { |
280 |
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ForkJoinPool p = null; |
281 |
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try { |
282 |
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p = new ForkJoinPool(1); |
283 |
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p.setMaintainsParallelism(false); |
284 |
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assertFalse(p.getMaintainsParallelism()); |
285 |
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} finally { |
286 |
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joinPool(p); |
287 |
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} |
288 |
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} |
289 |
jsr166 |
1.2 |
|
290 |
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/** |
291 |
dl |
1.1 |
* setAsyncMode changes policy reported by |
292 |
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* getAsyncMode. |
293 |
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*/ |
294 |
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public void testSetAsyncMode() { |
295 |
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ForkJoinPool p = null; |
296 |
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try { |
297 |
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p = new ForkJoinPool(1); |
298 |
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p.setAsyncMode(true); |
299 |
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assertTrue(p.getAsyncMode()); |
300 |
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} finally { |
301 |
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joinPool(p); |
302 |
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} |
303 |
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} |
304 |
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305 |
jsr166 |
1.2 |
/** |
306 |
dl |
1.1 |
* setUncaughtExceptionHandler changes handler for uncaught exceptions. |
307 |
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* |
308 |
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* Additionally tests: Overriding ForkJoinWorkerThread.onStart |
309 |
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* performs its defined action |
310 |
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*/ |
311 |
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public void testSetUncaughtExceptionHandler() { |
312 |
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ForkJoinPool p = null; |
313 |
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try { |
314 |
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p = new ForkJoinPool(1, new FailingThreadFactory()); |
315 |
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MyHandler eh = new MyHandler(); |
316 |
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p.setUncaughtExceptionHandler(eh); |
317 |
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assertEquals(eh, p.getUncaughtExceptionHandler()); |
318 |
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p.execute(new FailingTask()); |
319 |
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Thread.sleep(MEDIUM_DELAY_MS); |
320 |
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assertTrue(eh.catches > 0); |
321 |
jsr166 |
1.2 |
} catch (InterruptedException e) { |
322 |
dl |
1.1 |
unexpectedException(); |
323 |
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} finally { |
324 |
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joinPool(p); |
325 |
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} |
326 |
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} |
327 |
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|
328 |
jsr166 |
1.2 |
/** |
329 |
dl |
1.1 |
* setUncaughtExceptionHandler of null removes handler |
330 |
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*/ |
331 |
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public void testSetUncaughtExceptionHandler2() { |
332 |
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ForkJoinPool p = null; |
333 |
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try { |
334 |
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p = new ForkJoinPool(1); |
335 |
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p.setUncaughtExceptionHandler(null); |
336 |
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assertNull(p.getUncaughtExceptionHandler()); |
337 |
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} finally { |
338 |
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joinPool(p); |
339 |
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} |
340 |
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} |
341 |
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|
342 |
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|
343 |
jsr166 |
1.2 |
/** |
344 |
dl |
1.1 |
* After invoking a single task, isQuiescent is true, |
345 |
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* queues are empty, threads are not active, and |
346 |
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* construction parameters continue to hold |
347 |
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*/ |
348 |
|
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public void testisQuiescent() { |
349 |
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ForkJoinPool p = null; |
350 |
|
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try { |
351 |
|
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p = new ForkJoinPool(2); |
352 |
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p.invoke(new FibTask(20)); |
353 |
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assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory); |
354 |
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Thread.sleep(MEDIUM_DELAY_MS); |
355 |
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assertTrue(p.isQuiescent()); |
356 |
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assertTrue(p.getMaintainsParallelism()); |
357 |
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assertFalse(p.getAsyncMode()); |
358 |
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assertTrue(p.getActiveThreadCount() == 0); |
359 |
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assertTrue(p.getQueuedTaskCount() == 0); |
360 |
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assertTrue(p.getQueuedSubmissionCount() == 0); |
361 |
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assertFalse(p.hasQueuedSubmissions()); |
362 |
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assertFalse(p.isShutdown()); |
363 |
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assertFalse(p.isTerminating()); |
364 |
|
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assertFalse(p.isTerminated()); |
365 |
jsr166 |
1.2 |
} catch (InterruptedException e) { |
366 |
dl |
1.1 |
unexpectedException(); |
367 |
|
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} finally { |
368 |
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joinPool(p); |
369 |
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} |
370 |
|
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} |
371 |
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|
372 |
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/** |
373 |
|
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* Completed submit(ForkJoinTask) returns result |
374 |
|
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*/ |
375 |
|
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public void testSubmitForkJoinTask() { |
376 |
|
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ForkJoinPool p = null; |
377 |
|
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try { |
378 |
|
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p = new ForkJoinPool(1); |
379 |
|
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ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
380 |
|
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int r = f.get(); |
381 |
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assertTrue(r == 21); |
382 |
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} catch (ExecutionException ex) { |
383 |
|
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unexpectedException(); |
384 |
|
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} catch (InterruptedException ex) { |
385 |
|
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unexpectedException(); |
386 |
|
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} finally { |
387 |
|
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joinPool(p); |
388 |
|
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} |
389 |
|
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} |
390 |
|
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|
391 |
|
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/** |
392 |
|
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* A task submitted after shutdown is rejected |
393 |
|
|
*/ |
394 |
|
|
public void testSubmitAfterShutdown() { |
395 |
|
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ForkJoinPool p = null; |
396 |
|
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try { |
397 |
|
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p = new ForkJoinPool(1); |
398 |
|
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p.shutdown(); |
399 |
|
|
assertTrue(p.isShutdown()); |
400 |
|
|
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
401 |
|
|
shouldThrow(); |
402 |
|
|
} catch (RejectedExecutionException success) { |
403 |
|
|
} finally { |
404 |
|
|
joinPool(p); |
405 |
|
|
} |
406 |
|
|
} |
407 |
|
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|
408 |
|
|
/** |
409 |
|
|
* Pool maintains parallelism when using ManagedBlocker |
410 |
|
|
*/ |
411 |
|
|
public void testBlockingForkJoinTask() { |
412 |
|
|
ForkJoinPool p = null; |
413 |
|
|
try { |
414 |
|
|
p = new ForkJoinPool(4); |
415 |
|
|
ReentrantLock lock = new ReentrantLock(); |
416 |
|
|
ManagedLocker locker = new ManagedLocker(lock); |
417 |
|
|
ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock); |
418 |
|
|
p.execute(f); |
419 |
|
|
assertTrue(p.getPoolSize() >= 4); |
420 |
|
|
int r = f.get(); |
421 |
|
|
assertTrue(r == 832040); |
422 |
|
|
} catch (ExecutionException ex) { |
423 |
|
|
unexpectedException(); |
424 |
|
|
} catch (InterruptedException ex) { |
425 |
|
|
unexpectedException(); |
426 |
|
|
} finally { |
427 |
|
|
joinPool(p); |
428 |
|
|
} |
429 |
|
|
} |
430 |
|
|
|
431 |
|
|
/** |
432 |
|
|
* pollSubmission returns unexecuted submitted task, if present |
433 |
|
|
*/ |
434 |
|
|
public void testPollSubmission() { |
435 |
|
|
SubFJP p = null; |
436 |
|
|
try { |
437 |
|
|
p = new SubFJP(); |
438 |
|
|
ForkJoinTask a = p.submit(new MediumRunnable()); |
439 |
|
|
ForkJoinTask b = p.submit(new MediumRunnable()); |
440 |
|
|
ForkJoinTask c = p.submit(new MediumRunnable()); |
441 |
|
|
ForkJoinTask r = p.pollSubmission(); |
442 |
|
|
assertTrue(r == a || r == b || r == c); |
443 |
|
|
assertFalse(r.isDone()); |
444 |
|
|
} finally { |
445 |
|
|
joinPool(p); |
446 |
|
|
} |
447 |
|
|
} |
448 |
|
|
|
449 |
|
|
/** |
450 |
|
|
* drainTasksTo transfers unexecuted submitted tasks, if present |
451 |
|
|
*/ |
452 |
|
|
public void testDrainTasksTo() { |
453 |
|
|
SubFJP p = null; |
454 |
|
|
try { |
455 |
|
|
p = new SubFJP(); |
456 |
|
|
ForkJoinTask a = p.submit(new MediumRunnable()); |
457 |
|
|
ForkJoinTask b = p.submit(new MediumRunnable()); |
458 |
|
|
ForkJoinTask c = p.submit(new MediumRunnable()); |
459 |
|
|
ArrayList<ForkJoinTask> al = new ArrayList(); |
460 |
|
|
p.drainTasksTo(al); |
461 |
|
|
assertTrue(al.size() > 0); |
462 |
|
|
for (ForkJoinTask r : al) { |
463 |
|
|
assertTrue(r == a || r == b || r == c); |
464 |
|
|
assertFalse(r.isDone()); |
465 |
|
|
} |
466 |
|
|
} finally { |
467 |
|
|
joinPool(p); |
468 |
|
|
} |
469 |
|
|
} |
470 |
|
|
|
471 |
jsr166 |
1.2 |
|
472 |
dl |
1.1 |
// FJ Versions of AbstractExecutorService tests |
473 |
|
|
|
474 |
|
|
/** |
475 |
|
|
* execute(runnable) runs it to completion |
476 |
|
|
*/ |
477 |
|
|
public void testExecuteRunnable() { |
478 |
|
|
try { |
479 |
|
|
ExecutorService e = new ForkJoinPool(1); |
480 |
|
|
TrackedShortRunnable task = new TrackedShortRunnable(); |
481 |
|
|
assertFalse(task.done); |
482 |
|
|
Future<?> future = e.submit(task); |
483 |
|
|
future.get(); |
484 |
|
|
assertTrue(task.done); |
485 |
|
|
} |
486 |
|
|
catch (ExecutionException ex) { |
487 |
|
|
unexpectedException(); |
488 |
|
|
} |
489 |
|
|
catch (InterruptedException ex) { |
490 |
|
|
unexpectedException(); |
491 |
|
|
} |
492 |
|
|
} |
493 |
|
|
|
494 |
|
|
|
495 |
|
|
/** |
496 |
|
|
* Completed submit(callable) returns result |
497 |
|
|
*/ |
498 |
|
|
public void testSubmitCallable() { |
499 |
|
|
try { |
500 |
|
|
ExecutorService e = new ForkJoinPool(1); |
501 |
|
|
Future<String> future = e.submit(new StringTask()); |
502 |
|
|
String result = future.get(); |
503 |
|
|
assertSame(TEST_STRING, result); |
504 |
|
|
} |
505 |
|
|
catch (ExecutionException ex) { |
506 |
|
|
unexpectedException(); |
507 |
|
|
} |
508 |
|
|
catch (InterruptedException ex) { |
509 |
|
|
unexpectedException(); |
510 |
|
|
} |
511 |
|
|
} |
512 |
|
|
|
513 |
|
|
/** |
514 |
|
|
* Completed submit(runnable) returns successfully |
515 |
|
|
*/ |
516 |
|
|
public void testSubmitRunnable() { |
517 |
|
|
try { |
518 |
|
|
ExecutorService e = new ForkJoinPool(1); |
519 |
|
|
Future<?> future = e.submit(new NoOpRunnable()); |
520 |
|
|
future.get(); |
521 |
|
|
assertTrue(future.isDone()); |
522 |
|
|
} |
523 |
|
|
catch (ExecutionException ex) { |
524 |
|
|
unexpectedException(); |
525 |
|
|
} |
526 |
|
|
catch (InterruptedException ex) { |
527 |
|
|
unexpectedException(); |
528 |
|
|
} |
529 |
|
|
} |
530 |
|
|
|
531 |
|
|
/** |
532 |
|
|
* Completed submit(runnable, result) returns result |
533 |
|
|
*/ |
534 |
|
|
public void testSubmitRunnable2() { |
535 |
|
|
try { |
536 |
|
|
ExecutorService e = new ForkJoinPool(1); |
537 |
|
|
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
538 |
|
|
String result = future.get(); |
539 |
|
|
assertSame(TEST_STRING, result); |
540 |
|
|
} |
541 |
|
|
catch (ExecutionException ex) { |
542 |
|
|
unexpectedException(); |
543 |
|
|
} |
544 |
|
|
catch (InterruptedException ex) { |
545 |
|
|
unexpectedException(); |
546 |
|
|
} |
547 |
|
|
} |
548 |
|
|
|
549 |
|
|
|
550 |
|
|
/** |
551 |
|
|
* A submitted privileged action to completion |
552 |
|
|
*/ |
553 |
|
|
public void testSubmitPrivilegedAction() { |
554 |
|
|
Policy savedPolicy = null; |
555 |
|
|
try { |
556 |
|
|
savedPolicy = Policy.getPolicy(); |
557 |
|
|
AdjustablePolicy policy = new AdjustablePolicy(); |
558 |
|
|
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
559 |
|
|
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
560 |
|
|
Policy.setPolicy(policy); |
561 |
jsr166 |
1.2 |
} catch (AccessControlException ok) { |
562 |
dl |
1.1 |
return; |
563 |
|
|
} |
564 |
|
|
try { |
565 |
|
|
ExecutorService e = new ForkJoinPool(1); |
566 |
|
|
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
567 |
|
|
public Object run() { |
568 |
|
|
return TEST_STRING; |
569 |
|
|
}})); |
570 |
|
|
|
571 |
|
|
Object result = future.get(); |
572 |
|
|
assertSame(TEST_STRING, result); |
573 |
|
|
} |
574 |
|
|
catch (ExecutionException ex) { |
575 |
|
|
unexpectedException(); |
576 |
|
|
} |
577 |
|
|
catch (InterruptedException ex) { |
578 |
|
|
unexpectedException(); |
579 |
|
|
} |
580 |
|
|
finally { |
581 |
|
|
try { |
582 |
|
|
Policy.setPolicy(savedPolicy); |
583 |
jsr166 |
1.2 |
} catch (AccessControlException ok) { |
584 |
dl |
1.1 |
return; |
585 |
|
|
} |
586 |
|
|
} |
587 |
|
|
} |
588 |
|
|
|
589 |
|
|
/** |
590 |
|
|
* A submitted a privileged exception action runs to completion |
591 |
|
|
*/ |
592 |
|
|
public void testSubmitPrivilegedExceptionAction() { |
593 |
|
|
Policy savedPolicy = null; |
594 |
|
|
try { |
595 |
|
|
savedPolicy = Policy.getPolicy(); |
596 |
|
|
AdjustablePolicy policy = new AdjustablePolicy(); |
597 |
|
|
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
598 |
|
|
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
599 |
|
|
Policy.setPolicy(policy); |
600 |
jsr166 |
1.2 |
} catch (AccessControlException ok) { |
601 |
dl |
1.1 |
return; |
602 |
|
|
} |
603 |
|
|
|
604 |
|
|
try { |
605 |
|
|
ExecutorService e = new ForkJoinPool(1); |
606 |
|
|
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
607 |
|
|
public Object run() { |
608 |
|
|
return TEST_STRING; |
609 |
|
|
}})); |
610 |
|
|
|
611 |
|
|
Object result = future.get(); |
612 |
|
|
assertSame(TEST_STRING, result); |
613 |
|
|
} |
614 |
|
|
catch (ExecutionException ex) { |
615 |
|
|
unexpectedException(); |
616 |
|
|
} |
617 |
|
|
catch (InterruptedException ex) { |
618 |
|
|
unexpectedException(); |
619 |
|
|
} |
620 |
|
|
finally { |
621 |
|
|
Policy.setPolicy(savedPolicy); |
622 |
|
|
} |
623 |
|
|
} |
624 |
|
|
|
625 |
|
|
/** |
626 |
|
|
* A submitted failed privileged exception action reports exception |
627 |
|
|
*/ |
628 |
|
|
public void testSubmitFailedPrivilegedExceptionAction() { |
629 |
|
|
Policy savedPolicy = null; |
630 |
|
|
try { |
631 |
|
|
savedPolicy = Policy.getPolicy(); |
632 |
|
|
AdjustablePolicy policy = new AdjustablePolicy(); |
633 |
|
|
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
634 |
|
|
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
635 |
|
|
Policy.setPolicy(policy); |
636 |
jsr166 |
1.2 |
} catch (AccessControlException ok) { |
637 |
dl |
1.1 |
return; |
638 |
|
|
} |
639 |
|
|
|
640 |
|
|
|
641 |
|
|
try { |
642 |
|
|
ExecutorService e = new ForkJoinPool(1); |
643 |
|
|
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
644 |
|
|
public Object run() throws Exception { |
645 |
|
|
throw new IndexOutOfBoundsException(); |
646 |
|
|
}})); |
647 |
|
|
|
648 |
|
|
Object result = future.get(); |
649 |
|
|
shouldThrow(); |
650 |
|
|
} |
651 |
|
|
catch (ExecutionException success) { |
652 |
|
|
} catch (CancellationException success) { |
653 |
|
|
} catch (InterruptedException ex) { |
654 |
|
|
unexpectedException(); |
655 |
|
|
} |
656 |
|
|
finally { |
657 |
|
|
Policy.setPolicy(savedPolicy); |
658 |
|
|
} |
659 |
|
|
} |
660 |
|
|
|
661 |
|
|
/** |
662 |
|
|
* execute(null runnable) throws NPE |
663 |
|
|
*/ |
664 |
|
|
public void testExecuteNullRunnable() { |
665 |
|
|
try { |
666 |
|
|
ExecutorService e = new ForkJoinPool(1); |
667 |
|
|
TrackedShortRunnable task = null; |
668 |
|
|
Future<?> future = e.submit(task); |
669 |
|
|
shouldThrow(); |
670 |
|
|
} |
671 |
|
|
catch (NullPointerException success) { |
672 |
|
|
} |
673 |
|
|
catch (Exception ex) { |
674 |
|
|
unexpectedException(); |
675 |
|
|
} |
676 |
|
|
} |
677 |
|
|
|
678 |
|
|
|
679 |
|
|
/** |
680 |
|
|
* submit(null callable) throws NPE |
681 |
|
|
*/ |
682 |
|
|
public void testSubmitNullCallable() { |
683 |
|
|
try { |
684 |
|
|
ExecutorService e = new ForkJoinPool(1); |
685 |
|
|
StringTask t = null; |
686 |
|
|
Future<String> future = e.submit(t); |
687 |
|
|
shouldThrow(); |
688 |
|
|
} |
689 |
|
|
catch (NullPointerException success) { |
690 |
|
|
} |
691 |
|
|
catch (Exception ex) { |
692 |
|
|
unexpectedException(); |
693 |
|
|
} |
694 |
|
|
} |
695 |
|
|
|
696 |
|
|
|
697 |
|
|
/** |
698 |
|
|
* Blocking on submit(callable) throws InterruptedException if |
699 |
|
|
* caller interrupted. |
700 |
|
|
*/ |
701 |
|
|
public void testInterruptedSubmit() { |
702 |
|
|
final ForkJoinPool p = new ForkJoinPool(1); |
703 |
|
|
Thread t = new Thread(new Runnable() { |
704 |
|
|
public void run() { |
705 |
|
|
try { |
706 |
|
|
p.submit(new Callable<Object>() { |
707 |
|
|
public Object call() { |
708 |
|
|
try { |
709 |
|
|
Thread.sleep(MEDIUM_DELAY_MS); |
710 |
|
|
shouldThrow(); |
711 |
jsr166 |
1.2 |
} catch (InterruptedException e) { |
712 |
dl |
1.1 |
} |
713 |
|
|
return null; |
714 |
|
|
} |
715 |
|
|
}).get(); |
716 |
jsr166 |
1.2 |
} catch (InterruptedException success) { |
717 |
|
|
} catch (Exception e) { |
718 |
dl |
1.1 |
unexpectedException(); |
719 |
|
|
} |
720 |
|
|
|
721 |
|
|
} |
722 |
|
|
}); |
723 |
|
|
try { |
724 |
|
|
t.start(); |
725 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
726 |
|
|
t.interrupt(); |
727 |
jsr166 |
1.2 |
} catch (Exception e) { |
728 |
dl |
1.1 |
unexpectedException(); |
729 |
|
|
} |
730 |
|
|
joinPool(p); |
731 |
|
|
} |
732 |
|
|
|
733 |
|
|
/** |
734 |
|
|
* get of submit(callable) throws ExecutionException if callable |
735 |
|
|
* throws exception |
736 |
|
|
*/ |
737 |
|
|
public void testSubmitEE() { |
738 |
|
|
ForkJoinPool p = new ForkJoinPool(1); |
739 |
|
|
|
740 |
|
|
try { |
741 |
|
|
Callable c = new Callable() { |
742 |
|
|
public Object call() { |
743 |
|
|
int i = 5/0; |
744 |
|
|
return Boolean.TRUE; |
745 |
|
|
} |
746 |
|
|
}; |
747 |
|
|
|
748 |
jsr166 |
1.2 |
for (int i = 0; i < 5; i++) { |
749 |
dl |
1.1 |
p.submit(c).get(); |
750 |
|
|
} |
751 |
|
|
|
752 |
|
|
shouldThrow(); |
753 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
754 |
dl |
1.1 |
} catch (CancellationException success) { |
755 |
jsr166 |
1.2 |
} catch (Exception e) { |
756 |
dl |
1.1 |
unexpectedException(); |
757 |
|
|
} |
758 |
|
|
joinPool(p); |
759 |
|
|
} |
760 |
|
|
|
761 |
|
|
/** |
762 |
|
|
* invokeAny(null) throws NPE |
763 |
|
|
*/ |
764 |
|
|
public void testInvokeAny1() { |
765 |
|
|
ExecutorService e = new ForkJoinPool(1); |
766 |
|
|
try { |
767 |
|
|
e.invokeAny(null); |
768 |
|
|
} catch (NullPointerException success) { |
769 |
jsr166 |
1.2 |
} catch (Exception ex) { |
770 |
dl |
1.1 |
unexpectedException(); |
771 |
|
|
} finally { |
772 |
|
|
joinPool(e); |
773 |
|
|
} |
774 |
|
|
} |
775 |
|
|
|
776 |
|
|
/** |
777 |
|
|
* invokeAny(empty collection) throws IAE |
778 |
|
|
*/ |
779 |
|
|
public void testInvokeAny2() { |
780 |
|
|
ExecutorService e = new ForkJoinPool(1); |
781 |
|
|
try { |
782 |
|
|
e.invokeAny(new ArrayList<Callable<String>>()); |
783 |
|
|
} catch (IllegalArgumentException success) { |
784 |
jsr166 |
1.2 |
} catch (Exception ex) { |
785 |
dl |
1.1 |
unexpectedException(); |
786 |
|
|
} finally { |
787 |
|
|
joinPool(e); |
788 |
|
|
} |
789 |
|
|
} |
790 |
|
|
|
791 |
|
|
/** |
792 |
|
|
* invokeAny(c) throws NPE if c has null elements |
793 |
|
|
*/ |
794 |
|
|
public void testInvokeAny3() { |
795 |
|
|
ExecutorService e = new ForkJoinPool(1); |
796 |
|
|
try { |
797 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
798 |
|
|
l.add(new StringTask()); |
799 |
|
|
l.add(null); |
800 |
|
|
e.invokeAny(l); |
801 |
|
|
} catch (NullPointerException success) { |
802 |
jsr166 |
1.2 |
} catch (Exception ex) { |
803 |
dl |
1.1 |
ex.printStackTrace(); |
804 |
|
|
unexpectedException(); |
805 |
|
|
} finally { |
806 |
|
|
joinPool(e); |
807 |
|
|
} |
808 |
|
|
} |
809 |
|
|
|
810 |
|
|
/** |
811 |
|
|
* invokeAny(c) throws ExecutionException if no task in c completes |
812 |
|
|
*/ |
813 |
|
|
public void testInvokeAny4() { |
814 |
|
|
ExecutorService e = new ForkJoinPool(1); |
815 |
|
|
try { |
816 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
817 |
|
|
l.add(new NPETask()); |
818 |
|
|
e.invokeAny(l); |
819 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
820 |
dl |
1.1 |
} catch (CancellationException success) { |
821 |
jsr166 |
1.2 |
} catch (Exception ex) { |
822 |
dl |
1.1 |
unexpectedException(); |
823 |
|
|
} finally { |
824 |
|
|
joinPool(e); |
825 |
|
|
} |
826 |
|
|
} |
827 |
|
|
|
828 |
|
|
/** |
829 |
|
|
* invokeAny(c) returns result of some task in c if at least one completes |
830 |
|
|
*/ |
831 |
|
|
public void testInvokeAny5() { |
832 |
|
|
ExecutorService e = new ForkJoinPool(1); |
833 |
|
|
try { |
834 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
835 |
|
|
l.add(new StringTask()); |
836 |
|
|
l.add(new StringTask()); |
837 |
|
|
String result = e.invokeAny(l); |
838 |
|
|
assertSame(TEST_STRING, result); |
839 |
|
|
} catch (ExecutionException success) { |
840 |
|
|
} catch (CancellationException success) { |
841 |
jsr166 |
1.2 |
} catch (Exception ex) { |
842 |
dl |
1.1 |
unexpectedException(); |
843 |
|
|
} finally { |
844 |
|
|
joinPool(e); |
845 |
|
|
} |
846 |
|
|
} |
847 |
|
|
|
848 |
|
|
/** |
849 |
|
|
* invokeAll(null) throws NPE |
850 |
|
|
*/ |
851 |
|
|
public void testInvokeAll1() { |
852 |
|
|
ExecutorService e = new ForkJoinPool(1); |
853 |
|
|
try { |
854 |
|
|
e.invokeAll(null); |
855 |
|
|
} catch (NullPointerException success) { |
856 |
jsr166 |
1.2 |
} catch (Exception ex) { |
857 |
dl |
1.1 |
unexpectedException(); |
858 |
|
|
} finally { |
859 |
|
|
joinPool(e); |
860 |
|
|
} |
861 |
|
|
} |
862 |
|
|
|
863 |
|
|
/** |
864 |
|
|
* invokeAll(empty collection) returns empty collection |
865 |
|
|
*/ |
866 |
|
|
public void testInvokeAll2() { |
867 |
|
|
ExecutorService e = new ForkJoinPool(1); |
868 |
|
|
try { |
869 |
|
|
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
870 |
|
|
assertTrue(r.isEmpty()); |
871 |
jsr166 |
1.2 |
} catch (Exception ex) { |
872 |
dl |
1.1 |
unexpectedException(); |
873 |
|
|
} finally { |
874 |
|
|
joinPool(e); |
875 |
|
|
} |
876 |
|
|
} |
877 |
|
|
|
878 |
|
|
/** |
879 |
|
|
* invokeAll(c) throws NPE if c has null elements |
880 |
|
|
*/ |
881 |
|
|
public void testInvokeAll3() { |
882 |
|
|
ExecutorService e = new ForkJoinPool(1); |
883 |
|
|
try { |
884 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
885 |
|
|
l.add(new StringTask()); |
886 |
|
|
l.add(null); |
887 |
|
|
e.invokeAll(l); |
888 |
|
|
} catch (NullPointerException success) { |
889 |
jsr166 |
1.2 |
} catch (Exception ex) { |
890 |
dl |
1.1 |
unexpectedException(); |
891 |
|
|
} finally { |
892 |
|
|
joinPool(e); |
893 |
|
|
} |
894 |
|
|
} |
895 |
|
|
|
896 |
|
|
/** |
897 |
|
|
* get of returned element of invokeAll(c) throws exception on failed task |
898 |
|
|
*/ |
899 |
|
|
public void testInvokeAll4() { |
900 |
|
|
ExecutorService e = new ForkJoinPool(1); |
901 |
|
|
try { |
902 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
903 |
|
|
l.add(new NPETask()); |
904 |
|
|
List<Future<String>> result = e.invokeAll(l); |
905 |
|
|
assertEquals(1, result.size()); |
906 |
jsr166 |
1.2 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
907 |
dl |
1.1 |
it.next().get(); |
908 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
909 |
dl |
1.1 |
} catch (CancellationException success) { |
910 |
jsr166 |
1.2 |
} catch (Exception ex) { |
911 |
dl |
1.1 |
ex.printStackTrace(); |
912 |
|
|
unexpectedException(); |
913 |
|
|
} finally { |
914 |
|
|
joinPool(e); |
915 |
|
|
} |
916 |
|
|
} |
917 |
|
|
|
918 |
|
|
/** |
919 |
|
|
* invokeAll(c) returns results of all completed tasks in c |
920 |
|
|
*/ |
921 |
|
|
public void testInvokeAll5() { |
922 |
|
|
ExecutorService e = new ForkJoinPool(1); |
923 |
|
|
try { |
924 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
925 |
|
|
l.add(new StringTask()); |
926 |
|
|
l.add(new StringTask()); |
927 |
|
|
List<Future<String>> result = e.invokeAll(l); |
928 |
|
|
assertEquals(2, result.size()); |
929 |
jsr166 |
1.2 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
930 |
dl |
1.1 |
assertSame(TEST_STRING, it.next().get()); |
931 |
|
|
} catch (ExecutionException success) { |
932 |
|
|
} catch (CancellationException success) { |
933 |
jsr166 |
1.2 |
} catch (Exception ex) { |
934 |
dl |
1.1 |
ex.printStackTrace(); |
935 |
|
|
unexpectedException(); |
936 |
|
|
} finally { |
937 |
|
|
joinPool(e); |
938 |
|
|
} |
939 |
|
|
} |
940 |
|
|
|
941 |
|
|
|
942 |
|
|
/** |
943 |
|
|
* timed invokeAny(null) throws NPE |
944 |
|
|
*/ |
945 |
|
|
public void testTimedInvokeAny1() { |
946 |
|
|
ExecutorService e = new ForkJoinPool(1); |
947 |
|
|
try { |
948 |
|
|
e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
949 |
|
|
} catch (NullPointerException success) { |
950 |
jsr166 |
1.2 |
} catch (Exception ex) { |
951 |
dl |
1.1 |
ex.printStackTrace(); |
952 |
|
|
unexpectedException(); |
953 |
|
|
} finally { |
954 |
|
|
joinPool(e); |
955 |
|
|
} |
956 |
|
|
} |
957 |
|
|
|
958 |
|
|
/** |
959 |
|
|
* timed invokeAny(null time unit) throws NPE |
960 |
|
|
*/ |
961 |
|
|
public void testTimedInvokeAnyNullTimeUnit() { |
962 |
|
|
ExecutorService e = new ForkJoinPool(1); |
963 |
|
|
try { |
964 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
965 |
|
|
l.add(new StringTask()); |
966 |
|
|
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
967 |
|
|
} catch (NullPointerException success) { |
968 |
jsr166 |
1.2 |
} catch (Exception ex) { |
969 |
dl |
1.1 |
ex.printStackTrace(); |
970 |
|
|
unexpectedException(); |
971 |
|
|
} finally { |
972 |
|
|
joinPool(e); |
973 |
|
|
} |
974 |
|
|
} |
975 |
|
|
|
976 |
|
|
/** |
977 |
|
|
* timed invokeAny(empty collection) throws IAE |
978 |
|
|
*/ |
979 |
|
|
public void testTimedInvokeAny2() { |
980 |
|
|
ExecutorService e = new ForkJoinPool(1); |
981 |
|
|
try { |
982 |
|
|
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
983 |
|
|
} catch (IllegalArgumentException success) { |
984 |
jsr166 |
1.2 |
} catch (Exception ex) { |
985 |
dl |
1.1 |
ex.printStackTrace(); |
986 |
|
|
unexpectedException(); |
987 |
|
|
} finally { |
988 |
|
|
joinPool(e); |
989 |
|
|
} |
990 |
|
|
} |
991 |
|
|
|
992 |
|
|
/** |
993 |
|
|
* timed invokeAny(c) throws NPE if c has null elements |
994 |
|
|
*/ |
995 |
|
|
public void testTimedInvokeAny3() { |
996 |
|
|
ExecutorService e = new ForkJoinPool(1); |
997 |
|
|
try { |
998 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
999 |
|
|
l.add(new StringTask()); |
1000 |
|
|
l.add(null); |
1001 |
|
|
e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1002 |
|
|
} catch (NullPointerException success) { |
1003 |
jsr166 |
1.2 |
} catch (Exception ex) { |
1004 |
dl |
1.1 |
ex.printStackTrace(); |
1005 |
|
|
unexpectedException(); |
1006 |
|
|
} finally { |
1007 |
|
|
joinPool(e); |
1008 |
|
|
} |
1009 |
|
|
} |
1010 |
|
|
|
1011 |
|
|
/** |
1012 |
|
|
* timed invokeAny(c) throws ExecutionException if no task completes |
1013 |
|
|
*/ |
1014 |
|
|
public void testTimedInvokeAny4() { |
1015 |
|
|
ExecutorService e = new ForkJoinPool(1); |
1016 |
|
|
try { |
1017 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1018 |
|
|
l.add(new NPETask()); |
1019 |
|
|
e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1020 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
1021 |
dl |
1.1 |
} catch (CancellationException success) { |
1022 |
jsr166 |
1.2 |
} catch (Exception ex) { |
1023 |
dl |
1.1 |
ex.printStackTrace(); |
1024 |
|
|
unexpectedException(); |
1025 |
|
|
} finally { |
1026 |
|
|
joinPool(e); |
1027 |
|
|
} |
1028 |
|
|
} |
1029 |
|
|
|
1030 |
|
|
/** |
1031 |
|
|
* timed invokeAny(c) returns result of some task in c |
1032 |
|
|
*/ |
1033 |
|
|
public void testTimedInvokeAny5() { |
1034 |
|
|
ExecutorService e = new ForkJoinPool(1); |
1035 |
|
|
try { |
1036 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1037 |
|
|
l.add(new StringTask()); |
1038 |
|
|
l.add(new StringTask()); |
1039 |
|
|
String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1040 |
|
|
assertSame(TEST_STRING, result); |
1041 |
|
|
} catch (ExecutionException success) { |
1042 |
|
|
} catch (CancellationException success) { |
1043 |
jsr166 |
1.2 |
} catch (Exception ex) { |
1044 |
dl |
1.1 |
ex.printStackTrace(); |
1045 |
|
|
unexpectedException(); |
1046 |
|
|
} finally { |
1047 |
|
|
joinPool(e); |
1048 |
|
|
} |
1049 |
|
|
} |
1050 |
|
|
|
1051 |
|
|
/** |
1052 |
|
|
* timed invokeAll(null) throws NPE |
1053 |
|
|
*/ |
1054 |
|
|
public void testTimedInvokeAll1() { |
1055 |
|
|
ExecutorService e = new ForkJoinPool(1); |
1056 |
|
|
try { |
1057 |
|
|
e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1058 |
|
|
} catch (NullPointerException success) { |
1059 |
jsr166 |
1.2 |
} catch (Exception ex) { |
1060 |
dl |
1.1 |
ex.printStackTrace(); |
1061 |
|
|
unexpectedException(); |
1062 |
|
|
} finally { |
1063 |
|
|
joinPool(e); |
1064 |
|
|
} |
1065 |
|
|
} |
1066 |
|
|
|
1067 |
|
|
/** |
1068 |
|
|
* timed invokeAll(null time unit) throws NPE |
1069 |
|
|
*/ |
1070 |
|
|
public void testTimedInvokeAllNullTimeUnit() { |
1071 |
|
|
ExecutorService e = new ForkJoinPool(1); |
1072 |
|
|
try { |
1073 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1074 |
|
|
l.add(new StringTask()); |
1075 |
|
|
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1076 |
|
|
} catch (NullPointerException success) { |
1077 |
jsr166 |
1.2 |
} catch (Exception ex) { |
1078 |
dl |
1.1 |
ex.printStackTrace(); |
1079 |
|
|
unexpectedException(); |
1080 |
|
|
} finally { |
1081 |
|
|
joinPool(e); |
1082 |
|
|
} |
1083 |
|
|
} |
1084 |
|
|
|
1085 |
|
|
/** |
1086 |
|
|
* timed invokeAll(empty collection) returns empty collection |
1087 |
|
|
*/ |
1088 |
|
|
public void testTimedInvokeAll2() { |
1089 |
|
|
ExecutorService e = new ForkJoinPool(1); |
1090 |
|
|
try { |
1091 |
|
|
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1092 |
|
|
assertTrue(r.isEmpty()); |
1093 |
jsr166 |
1.2 |
} catch (Exception ex) { |
1094 |
dl |
1.1 |
ex.printStackTrace(); |
1095 |
|
|
unexpectedException(); |
1096 |
|
|
} finally { |
1097 |
|
|
joinPool(e); |
1098 |
|
|
} |
1099 |
|
|
} |
1100 |
|
|
|
1101 |
|
|
/** |
1102 |
|
|
* timed invokeAll(c) throws NPE if c has null elements |
1103 |
|
|
*/ |
1104 |
|
|
public void testTimedInvokeAll3() { |
1105 |
|
|
ExecutorService e = new ForkJoinPool(1); |
1106 |
|
|
try { |
1107 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1108 |
|
|
l.add(new StringTask()); |
1109 |
|
|
l.add(null); |
1110 |
|
|
e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1111 |
|
|
} catch (NullPointerException success) { |
1112 |
jsr166 |
1.2 |
} catch (Exception ex) { |
1113 |
dl |
1.1 |
ex.printStackTrace(); |
1114 |
|
|
unexpectedException(); |
1115 |
|
|
} finally { |
1116 |
|
|
joinPool(e); |
1117 |
|
|
} |
1118 |
|
|
} |
1119 |
|
|
|
1120 |
|
|
/** |
1121 |
|
|
* get of returned element of invokeAll(c) throws exception on failed task |
1122 |
|
|
*/ |
1123 |
|
|
public void testTimedInvokeAll4() { |
1124 |
|
|
ExecutorService e = new ForkJoinPool(1); |
1125 |
|
|
try { |
1126 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1127 |
|
|
l.add(new NPETask()); |
1128 |
|
|
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1129 |
|
|
assertEquals(1, result.size()); |
1130 |
jsr166 |
1.2 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
1131 |
dl |
1.1 |
it.next().get(); |
1132 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
1133 |
dl |
1.1 |
} catch (CancellationException success) { |
1134 |
jsr166 |
1.2 |
} catch (Exception ex) { |
1135 |
dl |
1.1 |
ex.printStackTrace(); |
1136 |
|
|
unexpectedException(); |
1137 |
|
|
} finally { |
1138 |
|
|
joinPool(e); |
1139 |
|
|
} |
1140 |
|
|
} |
1141 |
|
|
|
1142 |
|
|
/** |
1143 |
|
|
* timed invokeAll(c) returns results of all completed tasks in c |
1144 |
|
|
*/ |
1145 |
|
|
public void testTimedInvokeAll5() { |
1146 |
|
|
ExecutorService e = new ForkJoinPool(1); |
1147 |
|
|
try { |
1148 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1149 |
|
|
l.add(new StringTask()); |
1150 |
|
|
l.add(new StringTask()); |
1151 |
|
|
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1152 |
|
|
assertEquals(2, result.size()); |
1153 |
jsr166 |
1.2 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
1154 |
dl |
1.1 |
assertSame(TEST_STRING, it.next().get()); |
1155 |
|
|
} catch (ExecutionException success) { |
1156 |
|
|
} catch (CancellationException success) { |
1157 |
jsr166 |
1.2 |
} catch (Exception ex) { |
1158 |
dl |
1.1 |
ex.printStackTrace(); |
1159 |
|
|
unexpectedException(); |
1160 |
|
|
} finally { |
1161 |
|
|
joinPool(e); |
1162 |
|
|
} |
1163 |
|
|
} |
1164 |
|
|
|
1165 |
|
|
} |