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import java.util.concurrent.RecursiveTask; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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import java.util.concurrent.atomic.AtomicInteger; |
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import java.util.concurrent.locks.ReentrantLock; |
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import junit.framework.AssertionFailedError; |
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// Some classes to test extension and factory methods |
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|
60 |
– |
static class MyHandler implements Thread.UncaughtExceptionHandler { |
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volatile int catches = 0; |
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public void uncaughtException(Thread t, Throwable e) { |
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++catches; |
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} |
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} |
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|
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static class MyError extends Error {} |
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// to test handlers |
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static class FailingThreadFactory |
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implements ForkJoinPool.ForkJoinWorkerThreadFactory { |
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< |
volatile int calls = 0; |
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> |
final AtomicInteger calls = new AtomicInteger(0); |
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public ForkJoinWorkerThread newThread(ForkJoinPool p) { |
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< |
if (++calls > 1) return null; |
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> |
if (calls.incrementAndGet() > 1) return null; |
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return new FailingFJWSubclass(p); |
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} |
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} |
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* getPoolSize returns number of started workers. |
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*/ |
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public void testGetPoolSize() { |
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< |
ForkJoinPool p = new ForkJoinPool(1); |
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> |
final CountDownLatch taskStarted = new CountDownLatch(1); |
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> |
final CountDownLatch done = new CountDownLatch(1); |
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> |
final ForkJoinPool p = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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assertEquals(0, p.getActiveThreadCount()); |
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< |
Future<String> future = p.submit(new StringTask()); |
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> |
final Runnable task = new CheckedRunnable() { |
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> |
public void realRun() throws InterruptedException { |
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taskStarted.countDown(); |
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> |
assertEquals(1, p.getPoolSize()); |
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> |
assertEquals(1, p.getActiveThreadCount()); |
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> |
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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assertTrue(p.isQuiescent()); |
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assertFalse(p.getAsyncMode()); |
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assertEquals(0, p.getActiveThreadCount()); |
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assertEquals(0, p.getQueuedTaskCount()); |
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assertEquals(0, p.getQueuedSubmissionCount()); |
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assertFalse(p.hasQueuedSubmissions()); |
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while (p.getActiveThreadCount() != 0 |
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&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
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Thread.yield(); |
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assertFalse(p.isShutdown()); |
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assertFalse(p.isTerminating()); |
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assertFalse(p.isTerminated()); |
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assertTrue(f.isDone()); |
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assertEquals(6765, (int) f.get()); |
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assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
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} |
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} |
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public void testInvokeAny3() throws Throwable { |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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List<Callable<String>> l = new ArrayList<Callable<String>>(); |
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> |
List<Callable<String>> l = new ArrayList<>(); |
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l.add(null); |
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try { |
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e.invokeAny(l); |
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CountDownLatch latch = new CountDownLatch(1); |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
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> |
List<Callable<String>> l = new ArrayList<>(); |
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l.add(latchAwaitingStringTask(latch)); |
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l.add(null); |
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try { |
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public void testInvokeAny5() throws Throwable { |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
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> |
List<Callable<String>> l = new ArrayList<>(); |
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l.add(new NPETask()); |
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try { |
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e.invokeAny(l); |
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public void testInvokeAny6() throws Throwable { |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
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> |
List<Callable<String>> l = new ArrayList<>(); |
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l.add(new StringTask()); |
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l.add(new StringTask()); |
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String result = e.invokeAny(l); |
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public void testInvokeAll3() throws InterruptedException { |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
723 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
723 |
> |
List<Callable<String>> l = new ArrayList<>(); |
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l.add(new StringTask()); |
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l.add(null); |
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try { |
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public void testInvokeAll4() throws Throwable { |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
740 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
740 |
> |
List<Callable<String>> l = new ArrayList<>(); |
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l.add(new NPETask()); |
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List<Future<String>> futures = e.invokeAll(l); |
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assertEquals(1, futures.size()); |
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public void testInvokeAll5() throws Throwable { |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
759 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
759 |
> |
List<Callable<String>> l = new ArrayList<>(); |
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l.add(new StringTask()); |
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l.add(new StringTask()); |
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List<Future<String>> futures = e.invokeAll(l); |
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public void testTimedInvokeAnyNullTimeUnit() throws Throwable { |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
788 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
788 |
> |
List<Callable<String>> l = new ArrayList<>(); |
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l.add(new StringTask()); |
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try { |
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e.invokeAny(l, MEDIUM_DELAY_MS, null); |
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CountDownLatch latch = new CountDownLatch(1); |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
818 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
818 |
> |
List<Callable<String>> l = new ArrayList<>(); |
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l.add(latchAwaitingStringTask(latch)); |
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l.add(null); |
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try { |
832 |
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public void testTimedInvokeAny4() throws Throwable { |
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ExecutorService e = new ForkJoinPool(1); |
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try (PoolCleaner cleaner = cleaner(e)) { |
835 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
835 |
> |
long startTime = System.nanoTime(); |
836 |
> |
List<Callable<String>> l = new ArrayList<>(); |
837 |
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l.add(new NPETask()); |
838 |
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try { |
839 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
839 |
> |
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
840 |
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shouldThrow(); |
841 |
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} catch (ExecutionException success) { |
842 |
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assertTrue(success.getCause() instanceof NullPointerException); |
843 |
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} |
844 |
+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
845 |
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} |
846 |
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} |
847 |
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|
851 |
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public void testTimedInvokeAny5() throws Throwable { |
852 |
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ExecutorService e = new ForkJoinPool(1); |
853 |
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try (PoolCleaner cleaner = cleaner(e)) { |
854 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
854 |
> |
long startTime = System.nanoTime(); |
855 |
> |
List<Callable<String>> l = new ArrayList<>(); |
856 |
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l.add(new StringTask()); |
857 |
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l.add(new StringTask()); |
858 |
< |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
858 |
> |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
859 |
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assertSame(TEST_STRING, result); |
860 |
+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
861 |
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} |
862 |
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} |
863 |
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880 |
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public void testTimedInvokeAllNullTimeUnit() throws Throwable { |
881 |
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ExecutorService e = new ForkJoinPool(1); |
882 |
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try (PoolCleaner cleaner = cleaner(e)) { |
883 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
883 |
> |
List<Callable<String>> l = new ArrayList<>(); |
884 |
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l.add(new StringTask()); |
885 |
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try { |
886 |
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e.invokeAll(l, MEDIUM_DELAY_MS, null); |
908 |
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public void testTimedInvokeAll3() throws InterruptedException { |
909 |
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ExecutorService e = new ForkJoinPool(1); |
910 |
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try (PoolCleaner cleaner = cleaner(e)) { |
911 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
911 |
> |
List<Callable<String>> l = new ArrayList<>(); |
912 |
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l.add(new StringTask()); |
913 |
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l.add(null); |
914 |
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try { |
924 |
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public void testTimedInvokeAll4() throws Throwable { |
925 |
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ExecutorService e = new ForkJoinPool(1); |
926 |
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try (PoolCleaner cleaner = cleaner(e)) { |
927 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
927 |
> |
List<Callable<String>> l = new ArrayList<>(); |
928 |
|
l.add(new NPETask()); |
929 |
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List<Future<String>> futures |
930 |
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= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
944 |
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public void testTimedInvokeAll5() throws Throwable { |
945 |
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ForkJoinPool e = new ForkJoinPool(1); |
946 |
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try (PoolCleaner cleaner = cleaner(e)) { |
947 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
947 |
> |
List<Callable<String>> l = new ArrayList<>(); |
948 |
|
l.add(new StringTask()); |
949 |
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l.add(new StringTask()); |
950 |
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List<Future<String>> futures |