author | dl |
Sat, 10 Feb 2018 09:23:41 -0800 | |
changeset 48843 | 21efc1774302 |
parent 47216 | 71c04702a3d5 |
child 52730 | 345266000aba |
permissions | -rw-r--r-- |
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/* |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* This file is available under and governed by the GNU General Public |
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* License version 2 only, as published by the Free Software Foundation. |
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* However, the following notice accompanied the original version of this |
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* file: |
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* |
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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/publicdomain/zero/1.0/ |
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*/ |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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import java.security.PrivilegedAction; |
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import java.security.PrivilegedExceptionAction; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.List; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.ForkJoinPool; |
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import java.util.concurrent.ForkJoinTask; |
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import java.util.concurrent.ForkJoinWorkerThread; |
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import java.util.concurrent.Future; |
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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.Test; |
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import junit.framework.TestSuite; |
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public class ForkJoinPoolTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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main(suite(), args); |
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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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* |
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* 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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* |
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* 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 MyError extends Error {} |
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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() { super.onStart(); throw new MyError(); } |
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} |
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static class FailingThreadFactory |
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implements ForkJoinPool.ForkJoinWorkerThreadFactory { |
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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.incrementAndGet() > 1) return null; |
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return new FailingFJWSubclass(p); |
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} |
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} |
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static class SubFJP extends ForkJoinPool { // to expose protected |
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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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static final class FibTask extends RecursiveTask<Integer> { |
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final int number; |
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FibTask(int n) { number = n; } |
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protected 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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static final class FailingTask extends ForkJoinTask<Void> { |
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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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static final class LockingFibTask extends RecursiveTask<Integer> { |
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final int number; |
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final ManagedLocker locker; |
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final ReentrantLock lock; |
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LockingFibTask(int n, ManagedLocker locker, ReentrantLock lock) { |
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number = n; |
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this.locker = locker; |
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this.lock = lock; |
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} |
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protected 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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n = number; |
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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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/** |
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* Successfully 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 = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
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p.getFactory()); |
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assertFalse(p.getAsyncMode()); |
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assertEquals(0, p.getActiveThreadCount()); |
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assertEquals(0, p.getStealCount()); |
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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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assertFalse(p.isShutdown()); |
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assertFalse(p.isTerminating()); |
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assertFalse(p.isTerminated()); |
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} |
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} |
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/** |
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* Constructor throws if size argument is less than zero |
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*/ |
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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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} catch (IllegalArgumentException success) {} |
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} |
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/** |
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* Constructor throws if factory argument is null |
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*/ |
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public void testConstructor2() { |
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try { |
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new ForkJoinPool(1, null, null, false); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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/** |
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* getParallelism returns size set in constructor |
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*/ |
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public void testGetParallelism() { |
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ForkJoinPool p = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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assertEquals(1, p.getParallelism()); |
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} |
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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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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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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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await(done); |
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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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* awaitTermination on a non-shutdown pool times out |
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*/ |
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public void testAwaitTermination_timesOut() throws InterruptedException { |
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ForkJoinPool p = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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assertFalse(p.isTerminated()); |
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assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS)); |
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assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS)); |
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assertFalse(p.awaitTermination(-1L, NANOSECONDS)); |
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assertFalse(p.awaitTermination(-1L, MILLISECONDS)); |
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assertFalse(p.awaitTermination(randomExpiredTimeout(), |
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randomTimeUnit())); |
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long timeoutNanos = 999999L; |
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long startTime = System.nanoTime(); |
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assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS)); |
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assertTrue(System.nanoTime() - startTime >= timeoutNanos); |
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assertFalse(p.isTerminated()); |
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startTime = System.nanoTime(); |
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long timeoutMillis = timeoutMillis(); |
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assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS)); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
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assertFalse(p.isTerminated()); |
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p.shutdown(); |
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assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
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assertTrue(p.isTerminated()); |
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} |
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} |
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/** |
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* setUncaughtExceptionHandler changes handler for uncaught exceptions. |
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* |
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* Additionally tests: Overriding ForkJoinWorkerThread.onStart |
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* performs its defined action |
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*/ |
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public void testSetUncaughtExceptionHandler() throws InterruptedException { |
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final CountDownLatch uehInvoked = new CountDownLatch(1); |
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final Thread.UncaughtExceptionHandler ueh = |
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new Thread.UncaughtExceptionHandler() { |
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public void uncaughtException(Thread t, Throwable e) { |
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threadAssertTrue(e instanceof MyError); |
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threadAssertTrue(t instanceof FailingFJWSubclass); |
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uehInvoked.countDown(); |
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}}; |
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ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), |
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ueh, false); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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assertSame(ueh, p.getUncaughtExceptionHandler()); |
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try { |
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p.execute(new FibTask(8)); |
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await(uehInvoked); |
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} finally { |
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p.shutdownNow(); // failure might have prevented processing task |
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} |
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} |
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} |
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/** |
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317 |
* After invoking a single task, isQuiescent eventually becomes |
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318 |
* true, at which time queues are empty, threads are not active, |
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* the task has completed successfully, and construction |
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* parameters continue to hold |
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321 |
*/ |
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322 |
public void testIsQuiescent() throws Exception { |
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ForkJoinPool p = new ForkJoinPool(2); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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assertTrue(p.isQuiescent()); |
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long startTime = System.nanoTime(); |
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FibTask f = new FibTask(20); |
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p.invoke(f); |
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assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
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p.getFactory()); |
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while (! p.isQuiescent()) { |
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if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
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throw new AssertionError("timed out"); |
35394 | 334 |
assertFalse(p.getAsyncMode()); |
335 |
assertFalse(p.isShutdown()); |
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336 |
assertFalse(p.isTerminating()); |
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337 |
assertFalse(p.isTerminated()); |
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338 |
Thread.yield(); |
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} |
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340 |
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341 |
assertTrue(p.isQuiescent()); |
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assertFalse(p.getAsyncMode()); |
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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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346 |
while (p.getActiveThreadCount() != 0 |
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347 |
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
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348 |
Thread.yield(); |
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349 |
assertFalse(p.isShutdown()); |
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350 |
assertFalse(p.isTerminating()); |
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351 |
assertFalse(p.isTerminated()); |
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352 |
assertTrue(f.isDone()); |
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353 |
assertEquals(6765, (int) f.get()); |
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354 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
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355 |
} |
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356 |
} |
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357 |
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358 |
/** |
|
359 |
* Completed submit(ForkJoinTask) returns result |
|
360 |
*/ |
|
361 |
public void testSubmitForkJoinTask() throws Throwable { |
|
362 |
ForkJoinPool p = new ForkJoinPool(1); |
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363 |
try (PoolCleaner cleaner = cleaner(p)) { |
|
364 |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
|
365 |
assertEquals(21, (int) f.get()); |
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366 |
} |
|
367 |
} |
|
368 |
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369 |
/** |
|
370 |
* A task submitted after shutdown is rejected |
|
371 |
*/ |
|
372 |
public void testSubmitAfterShutdown() { |
|
373 |
ForkJoinPool p = new ForkJoinPool(1); |
|
374 |
try (PoolCleaner cleaner = cleaner(p)) { |
|
375 |
p.shutdown(); |
|
376 |
assertTrue(p.isShutdown()); |
|
377 |
try { |
|
378 |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
|
379 |
shouldThrow(); |
|
380 |
} catch (RejectedExecutionException success) {} |
|
381 |
} |
|
382 |
} |
|
383 |
||
384 |
/** |
|
385 |
* Pool maintains parallelism when using ManagedBlocker |
|
386 |
*/ |
|
387 |
public void testBlockingForkJoinTask() throws Throwable { |
|
388 |
ForkJoinPool p = new ForkJoinPool(4); |
|
389 |
try { |
|
390 |
ReentrantLock lock = new ReentrantLock(); |
|
391 |
ManagedLocker locker = new ManagedLocker(lock); |
|
392 |
ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock); |
|
393 |
p.execute(f); |
|
394 |
assertEquals(6765, (int) f.get()); |
|
395 |
} finally { |
|
396 |
p.shutdownNow(); // don't wait out shutdown |
|
397 |
} |
|
398 |
} |
|
399 |
||
400 |
/** |
|
401 |
* pollSubmission returns unexecuted submitted task, if present |
|
402 |
*/ |
|
403 |
public void testPollSubmission() { |
|
404 |
final CountDownLatch done = new CountDownLatch(1); |
|
405 |
SubFJP p = new SubFJP(); |
|
406 |
try (PoolCleaner cleaner = cleaner(p)) { |
|
407 |
ForkJoinTask a = p.submit(awaiter(done)); |
|
408 |
ForkJoinTask b = p.submit(awaiter(done)); |
|
409 |
ForkJoinTask c = p.submit(awaiter(done)); |
|
410 |
ForkJoinTask r = p.pollSubmission(); |
|
411 |
assertTrue(r == a || r == b || r == c); |
|
412 |
assertFalse(r.isDone()); |
|
413 |
done.countDown(); |
|
414 |
} |
|
415 |
} |
|
416 |
||
417 |
/** |
|
418 |
* drainTasksTo transfers unexecuted submitted tasks, if present |
|
419 |
*/ |
|
420 |
public void testDrainTasksTo() { |
|
421 |
final CountDownLatch done = new CountDownLatch(1); |
|
422 |
SubFJP p = new SubFJP(); |
|
423 |
try (PoolCleaner cleaner = cleaner(p)) { |
|
424 |
ForkJoinTask a = p.submit(awaiter(done)); |
|
425 |
ForkJoinTask b = p.submit(awaiter(done)); |
|
426 |
ForkJoinTask c = p.submit(awaiter(done)); |
|
427 |
ArrayList<ForkJoinTask> al = new ArrayList(); |
|
428 |
p.drainTasksTo(al); |
|
429 |
assertTrue(al.size() > 0); |
|
430 |
for (ForkJoinTask r : al) { |
|
431 |
assertTrue(r == a || r == b || r == c); |
|
432 |
assertFalse(r.isDone()); |
|
433 |
} |
|
434 |
done.countDown(); |
|
435 |
} |
|
436 |
} |
|
437 |
||
438 |
// FJ Versions of AbstractExecutorService tests |
|
439 |
||
440 |
/** |
|
441 |
* execute(runnable) runs it to completion |
|
442 |
*/ |
|
443 |
public void testExecuteRunnable() throws Throwable { |
|
444 |
ExecutorService e = new ForkJoinPool(1); |
|
445 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
446 |
final AtomicBoolean done = new AtomicBoolean(false); |
|
447 |
Future<?> future = e.submit(new CheckedRunnable() { |
|
448 |
public void realRun() { |
|
449 |
done.set(true); |
|
450 |
}}); |
|
451 |
assertNull(future.get()); |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
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diff
changeset
|
452 |
assertNull(future.get(randomExpiredTimeout(), randomTimeUnit())); |
35394 | 453 |
assertTrue(done.get()); |
454 |
assertTrue(future.isDone()); |
|
455 |
assertFalse(future.isCancelled()); |
|
456 |
} |
|
457 |
} |
|
458 |
||
459 |
/** |
|
460 |
* Completed submit(callable) returns result |
|
461 |
*/ |
|
462 |
public void testSubmitCallable() throws Throwable { |
|
463 |
ExecutorService e = new ForkJoinPool(1); |
|
464 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
465 |
Future<String> future = e.submit(new StringTask()); |
|
466 |
assertSame(TEST_STRING, future.get()); |
|
467 |
assertTrue(future.isDone()); |
|
468 |
assertFalse(future.isCancelled()); |
|
469 |
} |
|
470 |
} |
|
471 |
||
472 |
/** |
|
473 |
* Completed submit(runnable) returns successfully |
|
474 |
*/ |
|
475 |
public void testSubmitRunnable() throws Throwable { |
|
476 |
ExecutorService e = new ForkJoinPool(1); |
|
477 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
478 |
Future<?> future = e.submit(new NoOpRunnable()); |
|
479 |
assertNull(future.get()); |
|
480 |
assertTrue(future.isDone()); |
|
481 |
assertFalse(future.isCancelled()); |
|
482 |
} |
|
483 |
} |
|
484 |
||
485 |
/** |
|
486 |
* Completed submit(runnable, result) returns result |
|
487 |
*/ |
|
488 |
public void testSubmitRunnable2() throws Throwable { |
|
489 |
ExecutorService e = new ForkJoinPool(1); |
|
490 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
491 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
|
492 |
assertSame(TEST_STRING, future.get()); |
|
493 |
assertTrue(future.isDone()); |
|
494 |
assertFalse(future.isCancelled()); |
|
495 |
} |
|
496 |
} |
|
497 |
||
498 |
/** |
|
499 |
* A submitted privileged action runs to completion |
|
500 |
*/ |
|
501 |
public void testSubmitPrivilegedAction() throws Exception { |
|
502 |
final Callable callable = Executors.callable(new PrivilegedAction() { |
|
503 |
public Object run() { return TEST_STRING; }}); |
|
504 |
Runnable r = new CheckedRunnable() { |
|
505 |
public void realRun() throws Exception { |
|
506 |
ExecutorService e = new ForkJoinPool(1); |
|
507 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
508 |
Future future = e.submit(callable); |
|
509 |
assertSame(TEST_STRING, future.get()); |
|
510 |
} |
|
511 |
}}; |
|
512 |
||
513 |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
|
514 |
} |
|
515 |
||
516 |
/** |
|
517 |
* A submitted privileged exception action runs to completion |
|
518 |
*/ |
|
519 |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
|
520 |
final Callable callable = |
|
521 |
Executors.callable(new PrivilegedExceptionAction() { |
|
522 |
public Object run() { return TEST_STRING; }}); |
|
523 |
Runnable r = new CheckedRunnable() { |
|
524 |
public void realRun() throws Exception { |
|
525 |
ExecutorService e = new ForkJoinPool(1); |
|
526 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
527 |
Future future = e.submit(callable); |
|
528 |
assertSame(TEST_STRING, future.get()); |
|
529 |
} |
|
530 |
}}; |
|
531 |
||
532 |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
|
533 |
} |
|
534 |
||
535 |
/** |
|
536 |
* A submitted failed privileged exception action reports exception |
|
537 |
*/ |
|
538 |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
|
539 |
final Callable callable = |
|
540 |
Executors.callable(new PrivilegedExceptionAction() { |
|
541 |
public Object run() { throw new IndexOutOfBoundsException(); }}); |
|
542 |
Runnable r = new CheckedRunnable() { |
|
543 |
public void realRun() throws Exception { |
|
544 |
ExecutorService e = new ForkJoinPool(1); |
|
545 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
546 |
Future future = e.submit(callable); |
|
547 |
try { |
|
548 |
future.get(); |
|
549 |
shouldThrow(); |
|
550 |
} catch (ExecutionException success) { |
|
551 |
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
|
552 |
} |
|
553 |
} |
|
554 |
}}; |
|
555 |
||
556 |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
|
557 |
} |
|
558 |
||
559 |
/** |
|
560 |
* execute(null runnable) throws NullPointerException |
|
561 |
*/ |
|
562 |
public void testExecuteNullRunnable() { |
|
563 |
ExecutorService e = new ForkJoinPool(1); |
|
564 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
565 |
try { |
|
566 |
Future<?> future = e.submit((Runnable) null); |
|
567 |
shouldThrow(); |
|
568 |
} catch (NullPointerException success) {} |
|
569 |
} |
|
570 |
} |
|
571 |
||
572 |
/** |
|
573 |
* submit(null callable) throws NullPointerException |
|
574 |
*/ |
|
575 |
public void testSubmitNullCallable() { |
|
576 |
ExecutorService e = new ForkJoinPool(1); |
|
577 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
578 |
try { |
|
579 |
Future<String> future = e.submit((Callable) null); |
|
580 |
shouldThrow(); |
|
581 |
} catch (NullPointerException success) {} |
|
582 |
} |
|
583 |
} |
|
584 |
||
585 |
/** |
|
586 |
* submit(callable).get() throws InterruptedException if interrupted |
|
587 |
*/ |
|
588 |
public void testInterruptedSubmit() throws InterruptedException { |
|
589 |
final CountDownLatch submitted = new CountDownLatch(1); |
|
590 |
final CountDownLatch quittingTime = new CountDownLatch(1); |
|
591 |
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
|
592 |
public Void realCall() throws InterruptedException { |
|
593 |
assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS)); |
|
594 |
return null; |
|
595 |
}}; |
|
596 |
final ExecutorService p = new ForkJoinPool(1); |
|
597 |
try (PoolCleaner cleaner = cleaner(p, quittingTime)) { |
|
598 |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
|
599 |
public void realRun() throws Exception { |
|
600 |
Future<Void> future = p.submit(awaiter); |
|
601 |
submitted.countDown(); |
|
602 |
future.get(); |
|
603 |
}}); |
|
604 |
t.start(); |
|
605 |
await(submitted); |
|
606 |
t.interrupt(); |
|
607 |
awaitTermination(t); |
|
608 |
} |
|
609 |
} |
|
610 |
||
611 |
/** |
|
612 |
* get of submit(callable) throws ExecutionException if callable |
|
613 |
* throws exception |
|
614 |
*/ |
|
615 |
public void testSubmitEE() throws Throwable { |
|
616 |
ForkJoinPool p = new ForkJoinPool(1); |
|
617 |
try (PoolCleaner cleaner = cleaner(p)) { |
|
618 |
try { |
|
619 |
p.submit(new Callable() { |
|
620 |
public Object call() { throw new ArithmeticException(); }}) |
|
621 |
.get(); |
|
622 |
shouldThrow(); |
|
623 |
} catch (ExecutionException success) { |
|
624 |
assertTrue(success.getCause() instanceof ArithmeticException); |
|
625 |
} |
|
626 |
} |
|
627 |
} |
|
628 |
||
629 |
/** |
|
630 |
* invokeAny(null) throws NullPointerException |
|
631 |
*/ |
|
632 |
public void testInvokeAny1() throws Throwable { |
|
633 |
ExecutorService e = new ForkJoinPool(1); |
|
634 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
635 |
try { |
|
636 |
e.invokeAny(null); |
|
637 |
shouldThrow(); |
|
638 |
} catch (NullPointerException success) {} |
|
639 |
} |
|
640 |
} |
|
641 |
||
642 |
/** |
|
643 |
* invokeAny(empty collection) throws IllegalArgumentException |
|
644 |
*/ |
|
645 |
public void testInvokeAny2() throws Throwable { |
|
646 |
ExecutorService e = new ForkJoinPool(1); |
|
647 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
648 |
try { |
|
649 |
e.invokeAny(new ArrayList<Callable<String>>()); |
|
650 |
shouldThrow(); |
|
651 |
} catch (IllegalArgumentException success) {} |
|
652 |
} |
|
653 |
} |
|
654 |
||
655 |
/** |
|
656 |
* invokeAny(c) throws NullPointerException if c has a single null element |
|
657 |
*/ |
|
658 |
public void testInvokeAny3() throws Throwable { |
|
659 |
ExecutorService e = new ForkJoinPool(1); |
|
660 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
661 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 662 |
l.add(null); |
663 |
try { |
|
664 |
e.invokeAny(l); |
|
665 |
shouldThrow(); |
|
666 |
} catch (NullPointerException success) {} |
|
667 |
} |
|
668 |
} |
|
669 |
||
670 |
/** |
|
671 |
* invokeAny(c) throws NullPointerException if c has null elements |
|
672 |
*/ |
|
673 |
public void testInvokeAny4() throws Throwable { |
|
674 |
CountDownLatch latch = new CountDownLatch(1); |
|
675 |
ExecutorService e = new ForkJoinPool(1); |
|
676 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
677 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 678 |
l.add(latchAwaitingStringTask(latch)); |
679 |
l.add(null); |
|
680 |
try { |
|
681 |
e.invokeAny(l); |
|
682 |
shouldThrow(); |
|
683 |
} catch (NullPointerException success) {} |
|
684 |
latch.countDown(); |
|
685 |
} |
|
686 |
} |
|
687 |
||
688 |
/** |
|
689 |
* invokeAny(c) throws ExecutionException if no task in c completes |
|
690 |
*/ |
|
691 |
public void testInvokeAny5() throws Throwable { |
|
692 |
ExecutorService e = new ForkJoinPool(1); |
|
693 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
694 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 695 |
l.add(new NPETask()); |
696 |
try { |
|
697 |
e.invokeAny(l); |
|
698 |
shouldThrow(); |
|
699 |
} catch (ExecutionException success) { |
|
700 |
assertTrue(success.getCause() instanceof NullPointerException); |
|
701 |
} |
|
702 |
} |
|
703 |
} |
|
704 |
||
705 |
/** |
|
706 |
* invokeAny(c) returns result of some task in c if at least one completes |
|
707 |
*/ |
|
708 |
public void testInvokeAny6() throws Throwable { |
|
709 |
ExecutorService e = new ForkJoinPool(1); |
|
710 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
711 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 712 |
l.add(new StringTask()); |
713 |
l.add(new StringTask()); |
|
714 |
String result = e.invokeAny(l); |
|
715 |
assertSame(TEST_STRING, result); |
|
716 |
} |
|
717 |
} |
|
718 |
||
719 |
/** |
|
720 |
* invokeAll(null) throws NullPointerException |
|
721 |
*/ |
|
722 |
public void testInvokeAll1() throws Throwable { |
|
723 |
ExecutorService e = new ForkJoinPool(1); |
|
724 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
725 |
try { |
|
726 |
e.invokeAll(null); |
|
727 |
shouldThrow(); |
|
728 |
} catch (NullPointerException success) {} |
|
729 |
} |
|
730 |
} |
|
731 |
||
732 |
/** |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
733 |
* invokeAll(empty collection) returns empty list |
35394 | 734 |
*/ |
735 |
public void testInvokeAll2() throws InterruptedException { |
|
736 |
ExecutorService e = new ForkJoinPool(1); |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
737 |
final Collection<Callable<String>> emptyCollection |
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
738 |
= Collections.emptyList(); |
35394 | 739 |
try (PoolCleaner cleaner = cleaner(e)) { |
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
740 |
List<Future<String>> r = e.invokeAll(emptyCollection); |
35394 | 741 |
assertTrue(r.isEmpty()); |
742 |
} |
|
743 |
} |
|
744 |
||
745 |
/** |
|
746 |
* invokeAll(c) throws NullPointerException if c has null elements |
|
747 |
*/ |
|
748 |
public void testInvokeAll3() throws InterruptedException { |
|
749 |
ExecutorService e = new ForkJoinPool(1); |
|
750 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
751 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 752 |
l.add(new StringTask()); |
753 |
l.add(null); |
|
754 |
try { |
|
755 |
e.invokeAll(l); |
|
756 |
shouldThrow(); |
|
757 |
} catch (NullPointerException success) {} |
|
758 |
} |
|
759 |
} |
|
760 |
||
761 |
/** |
|
762 |
* get of returned element of invokeAll(c) throws |
|
763 |
* ExecutionException on failed task |
|
764 |
*/ |
|
765 |
public void testInvokeAll4() throws Throwable { |
|
766 |
ExecutorService e = new ForkJoinPool(1); |
|
767 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
768 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 769 |
l.add(new NPETask()); |
770 |
List<Future<String>> futures = e.invokeAll(l); |
|
771 |
assertEquals(1, futures.size()); |
|
772 |
try { |
|
773 |
futures.get(0).get(); |
|
774 |
shouldThrow(); |
|
775 |
} catch (ExecutionException success) { |
|
776 |
assertTrue(success.getCause() instanceof NullPointerException); |
|
777 |
} |
|
778 |
} |
|
779 |
} |
|
780 |
||
781 |
/** |
|
782 |
* invokeAll(c) returns results of all completed tasks in c |
|
783 |
*/ |
|
784 |
public void testInvokeAll5() throws Throwable { |
|
785 |
ExecutorService e = new ForkJoinPool(1); |
|
786 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
787 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 788 |
l.add(new StringTask()); |
789 |
l.add(new StringTask()); |
|
790 |
List<Future<String>> futures = e.invokeAll(l); |
|
791 |
assertEquals(2, futures.size()); |
|
792 |
for (Future<String> future : futures) |
|
793 |
assertSame(TEST_STRING, future.get()); |
|
794 |
} |
|
795 |
} |
|
796 |
||
797 |
/** |
|
798 |
* timed invokeAny(null) throws NullPointerException |
|
799 |
*/ |
|
800 |
public void testTimedInvokeAny1() throws Throwable { |
|
801 |
ExecutorService e = new ForkJoinPool(1); |
|
802 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
803 |
try { |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
804 |
e.invokeAny(null, randomTimeout(), randomTimeUnit()); |
35394 | 805 |
shouldThrow(); |
806 |
} catch (NullPointerException success) {} |
|
807 |
} |
|
808 |
} |
|
809 |
||
810 |
/** |
|
811 |
* timed invokeAny(null time unit) throws NullPointerException |
|
812 |
*/ |
|
813 |
public void testTimedInvokeAnyNullTimeUnit() throws Throwable { |
|
814 |
ExecutorService e = new ForkJoinPool(1); |
|
815 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
816 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 817 |
l.add(new StringTask()); |
818 |
try { |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
819 |
e.invokeAny(l, randomTimeout(), null); |
35394 | 820 |
shouldThrow(); |
821 |
} catch (NullPointerException success) {} |
|
822 |
} |
|
823 |
} |
|
824 |
||
825 |
/** |
|
826 |
* timed invokeAny(empty collection) throws IllegalArgumentException |
|
827 |
*/ |
|
828 |
public void testTimedInvokeAny2() throws Throwable { |
|
829 |
ExecutorService e = new ForkJoinPool(1); |
|
830 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
831 |
try { |
|
832 |
e.invokeAny(new ArrayList<Callable<String>>(), |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
833 |
randomTimeout(), randomTimeUnit()); |
35394 | 834 |
shouldThrow(); |
835 |
} catch (IllegalArgumentException success) {} |
|
836 |
} |
|
837 |
} |
|
838 |
||
839 |
/** |
|
840 |
* timed invokeAny(c) throws NullPointerException if c has null elements |
|
841 |
*/ |
|
842 |
public void testTimedInvokeAny3() throws Throwable { |
|
843 |
CountDownLatch latch = new CountDownLatch(1); |
|
844 |
ExecutorService e = new ForkJoinPool(1); |
|
845 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
846 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 847 |
l.add(latchAwaitingStringTask(latch)); |
848 |
l.add(null); |
|
849 |
try { |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
850 |
e.invokeAny(l, randomTimeout(), randomTimeUnit()); |
35394 | 851 |
shouldThrow(); |
852 |
} catch (NullPointerException success) {} |
|
853 |
latch.countDown(); |
|
854 |
} |
|
855 |
} |
|
856 |
||
857 |
/** |
|
858 |
* timed invokeAny(c) throws ExecutionException if no task completes |
|
859 |
*/ |
|
860 |
public void testTimedInvokeAny4() throws Throwable { |
|
861 |
ExecutorService e = new ForkJoinPool(1); |
|
862 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
863 |
long startTime = System.nanoTime(); |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
864 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 865 |
l.add(new NPETask()); |
866 |
try { |
|
867 |
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
|
868 |
shouldThrow(); |
|
869 |
} catch (ExecutionException success) { |
|
870 |
assertTrue(success.getCause() instanceof NullPointerException); |
|
871 |
} |
|
872 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
|
873 |
} |
|
874 |
} |
|
875 |
||
876 |
/** |
|
877 |
* timed invokeAny(c) returns result of some task in c |
|
878 |
*/ |
|
879 |
public void testTimedInvokeAny5() throws Throwable { |
|
880 |
ExecutorService e = new ForkJoinPool(1); |
|
881 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
882 |
long startTime = System.nanoTime(); |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
883 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 884 |
l.add(new StringTask()); |
885 |
l.add(new StringTask()); |
|
886 |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
|
887 |
assertSame(TEST_STRING, result); |
|
888 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
|
889 |
} |
|
890 |
} |
|
891 |
||
892 |
/** |
|
893 |
* timed invokeAll(null) throws NullPointerException |
|
894 |
*/ |
|
895 |
public void testTimedInvokeAll1() throws Throwable { |
|
896 |
ExecutorService e = new ForkJoinPool(1); |
|
897 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
898 |
try { |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
899 |
e.invokeAll(null, randomTimeout(), randomTimeUnit()); |
35394 | 900 |
shouldThrow(); |
901 |
} catch (NullPointerException success) {} |
|
902 |
} |
|
903 |
} |
|
904 |
||
905 |
/** |
|
906 |
* timed invokeAll(null time unit) throws NullPointerException |
|
907 |
*/ |
|
908 |
public void testTimedInvokeAllNullTimeUnit() throws Throwable { |
|
909 |
ExecutorService e = new ForkJoinPool(1); |
|
910 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
911 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 912 |
l.add(new StringTask()); |
913 |
try { |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
914 |
e.invokeAll(l, randomTimeout(), null); |
35394 | 915 |
shouldThrow(); |
916 |
} catch (NullPointerException success) {} |
|
917 |
} |
|
918 |
} |
|
919 |
||
920 |
/** |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
921 |
* timed invokeAll(empty collection) returns empty list |
35394 | 922 |
*/ |
923 |
public void testTimedInvokeAll2() throws InterruptedException { |
|
924 |
ExecutorService e = new ForkJoinPool(1); |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
925 |
final Collection<Callable<String>> emptyCollection |
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
926 |
= Collections.emptyList(); |
35394 | 927 |
try (PoolCleaner cleaner = cleaner(e)) { |
928 |
List<Future<String>> r |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
929 |
= e.invokeAll(emptyCollection, |
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
930 |
randomTimeout(), randomTimeUnit()); |
35394 | 931 |
assertTrue(r.isEmpty()); |
932 |
} |
|
933 |
} |
|
934 |
||
935 |
/** |
|
936 |
* timed invokeAll(c) throws NullPointerException if c has null elements |
|
937 |
*/ |
|
938 |
public void testTimedInvokeAll3() throws InterruptedException { |
|
939 |
ExecutorService e = new ForkJoinPool(1); |
|
940 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
941 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 942 |
l.add(new StringTask()); |
943 |
l.add(null); |
|
944 |
try { |
|
45937
646816090183
8178409: Miscellaneous changes imported from jsr166 CVS 2017-07
dl
parents:
44589
diff
changeset
|
945 |
e.invokeAll(l, randomTimeout(), randomTimeUnit()); |
35394 | 946 |
shouldThrow(); |
947 |
} catch (NullPointerException success) {} |
|
948 |
} |
|
949 |
} |
|
950 |
||
951 |
/** |
|
952 |
* get of returned element of invokeAll(c) throws exception on failed task |
|
953 |
*/ |
|
954 |
public void testTimedInvokeAll4() throws Throwable { |
|
955 |
ExecutorService e = new ForkJoinPool(1); |
|
956 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
957 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 958 |
l.add(new NPETask()); |
959 |
List<Future<String>> futures |
|
960 |
= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
|
961 |
assertEquals(1, futures.size()); |
|
962 |
try { |
|
963 |
futures.get(0).get(); |
|
964 |
shouldThrow(); |
|
965 |
} catch (ExecutionException success) { |
|
966 |
assertTrue(success.getCause() instanceof NullPointerException); |
|
967 |
} |
|
968 |
} |
|
969 |
} |
|
970 |
||
971 |
/** |
|
972 |
* timed invokeAll(c) returns results of all completed tasks in c |
|
973 |
*/ |
|
974 |
public void testTimedInvokeAll5() throws Throwable { |
|
975 |
ForkJoinPool e = new ForkJoinPool(1); |
|
976 |
try (PoolCleaner cleaner = cleaner(e)) { |
|
43522
f9c6f543c4db
8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
dl
parents:
41131
diff
changeset
|
977 |
List<Callable<String>> l = new ArrayList<>(); |
35394 | 978 |
l.add(new StringTask()); |
979 |
l.add(new StringTask()); |
|
980 |
List<Future<String>> futures |
|
981 |
= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
|
982 |
assertEquals(2, futures.size()); |
|
983 |
for (Future<String> future : futures) |
|
984 |
assertSame(TEST_STRING, future.get()); |
|
985 |
} |
|
986 |
} |
|
987 |
||
988 |
} |