--- jsr166/src/test/tck/ForkJoinPoolTest.java 2010/10/09 19:46:42 1.31 +++ jsr166/src/test/tck/ForkJoinPoolTest.java 2015/10/04 07:42:07 1.62 @@ -1,44 +1,45 @@ /* * Written by Doug Lea with assistance from members of JCP JSR-166 * Expert Group and released to the public domain, as explained at - * http://creativecommons.org/licenses/publicdomain + * http://creativecommons.org/publicdomain/zero/1.0/ */ -import junit.framework.*; +import static java.util.concurrent.TimeUnit.MILLISECONDS; +import static java.util.concurrent.TimeUnit.NANOSECONDS; + +import java.security.PrivilegedAction; +import java.security.PrivilegedExceptionAction; import java.util.ArrayList; import java.util.Collection; import java.util.List; -import java.util.concurrent.Executors; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.AbstractExecutorService; -import java.util.concurrent.CountDownLatch; import java.util.concurrent.Callable; -import java.util.concurrent.Future; +import java.util.concurrent.CountDownLatch; import java.util.concurrent.ExecutionException; -import java.util.concurrent.CancellationException; -import java.util.concurrent.RejectedExecutionException; +import java.util.concurrent.Executors; +import java.util.concurrent.ExecutorService; import java.util.concurrent.ForkJoinPool; import java.util.concurrent.ForkJoinTask; import java.util.concurrent.ForkJoinWorkerThread; +import java.util.concurrent.Future; import java.util.concurrent.RecursiveTask; -import java.util.concurrent.TimeUnit; +import java.util.concurrent.RejectedExecutionException; +import java.util.concurrent.atomic.AtomicBoolean; import java.util.concurrent.locks.ReentrantLock; -import static java.util.concurrent.TimeUnit.MILLISECONDS; -import java.security.AccessControlException; -import java.security.Policy; -import java.security.PrivilegedAction; -import java.security.PrivilegedExceptionAction; + +import junit.framework.AssertionFailedError; +import junit.framework.Test; +import junit.framework.TestSuite; public class ForkJoinPoolTest extends JSR166TestCase { public static void main(String[] args) { - junit.textui.TestRunner.run(suite()); + main(suite(), args); } public static Test suite() { return new TestSuite(ForkJoinPoolTest.class); } - /** + /* * Testing coverage notes: * * 1. shutdown and related methods are tested via super.joinPool. @@ -106,7 +107,7 @@ public class ForkJoinPoolTest extends JS static final class FibTask extends RecursiveTask { final int number; FibTask(int n) { number = n; } - public Integer compute() { + protected Integer compute() { int n = number; if (n <= 1) return n; @@ -134,7 +135,7 @@ public class ForkJoinPoolTest extends JS this.locker = locker; this.lock = lock; } - public Integer compute() { + protected Integer compute() { int n; LockingFibTask f1 = null; LockingFibTask f2 = null; @@ -161,10 +162,9 @@ public class ForkJoinPoolTest extends JS */ public void testDefaultInitialState() { ForkJoinPool p = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(p)) { assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, p.getFactory()); - assertTrue(p.isQuiescent()); assertFalse(p.getAsyncMode()); assertEquals(0, p.getActiveThreadCount()); assertEquals(0, p.getStealCount()); @@ -174,8 +174,6 @@ public class ForkJoinPoolTest extends JS assertFalse(p.isShutdown()); assertFalse(p.isTerminating()); assertFalse(p.isTerminated()); - } finally { - joinPool(p); } } @@ -199,16 +197,13 @@ public class ForkJoinPoolTest extends JS } catch (NullPointerException success) {} } - /** * getParallelism returns size set in constructor */ public void testGetParallelism() { ForkJoinPool p = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(p)) { assertEquals(1, p.getParallelism()); - } finally { - joinPool(p); } } @@ -217,12 +212,39 @@ public class ForkJoinPoolTest extends JS */ public void testGetPoolSize() { ForkJoinPool p = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(p)) { assertEquals(0, p.getActiveThreadCount()); Future future = p.submit(new StringTask()); assertEquals(1, p.getPoolSize()); - } finally { - joinPool(p); + } + } + + /** + * awaitTermination on a non-shutdown pool times out + */ + public void testAwaitTermination_timesOut() throws InterruptedException { + ForkJoinPool p = new ForkJoinPool(1); + try (PoolCleaner cleaner = cleaner(p)) { + assertFalse(p.isTerminated()); + assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS)); + assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS)); + assertFalse(p.awaitTermination(-1L, NANOSECONDS)); + assertFalse(p.awaitTermination(-1L, MILLISECONDS)); + assertFalse(p.awaitTermination(0L, NANOSECONDS)); + assertFalse(p.awaitTermination(0L, MILLISECONDS)); + long timeoutNanos = 999999L; + long startTime = System.nanoTime(); + assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS)); + assertTrue(System.nanoTime() - startTime >= timeoutNanos); + assertFalse(p.isTerminated()); + startTime = System.nanoTime(); + long timeoutMillis = timeoutMillis(); + assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS)); + assertTrue(millisElapsedSince(startTime) >= timeoutMillis); + assertFalse(p.isTerminated()); + p.shutdown(); + assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); + assertTrue(p.isTerminated()); } } @@ -243,8 +265,11 @@ public class ForkJoinPoolTest extends JS eh, false); try { assertSame(eh, p.getUncaughtExceptionHandler()); - p.execute(new FibTask(8)); - assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS)); + try { + p.execute(new FibTask(8)); + assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS)); + } catch (RejectedExecutionException ok) { + } } finally { p.shutdownNow(); // failure might have prevented processing task joinPool(p); @@ -252,18 +277,30 @@ public class ForkJoinPoolTest extends JS } /** - * After invoking a single task, isQuiescent is true, - * queues are empty, threads are not active, and - * construction parameters continue to hold + * After invoking a single task, isQuiescent eventually becomes + * true, at which time queues are empty, threads are not active, + * the task has completed successfully, and construction + * parameters continue to hold */ - public void testisQuiescent() throws InterruptedException { + public void testIsQuiescent() throws Exception { ForkJoinPool p = new ForkJoinPool(2); - try { + try (PoolCleaner cleaner = cleaner(p)) { assertTrue(p.isQuiescent()); - p.invoke(new FibTask(20)); + long startTime = System.nanoTime(); + FibTask f = new FibTask(20); + p.invoke(f); assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, p.getFactory()); - Thread.sleep(SMALL_DELAY_MS); + while (! p.isQuiescent()) { + if (millisElapsedSince(startTime) > LONG_DELAY_MS) + throw new AssertionFailedError("timed out"); + assertFalse(p.getAsyncMode()); + assertFalse(p.isShutdown()); + assertFalse(p.isTerminating()); + assertFalse(p.isTerminated()); + Thread.yield(); + } + assertTrue(p.isQuiescent()); assertFalse(p.getAsyncMode()); assertEquals(0, p.getActiveThreadCount()); @@ -273,8 +310,8 @@ public class ForkJoinPoolTest extends JS assertFalse(p.isShutdown()); assertFalse(p.isTerminating()); assertFalse(p.isTerminated()); - } finally { - joinPool(p); + assertTrue(f.isDone()); + assertEquals(6765, (int) f.get()); } } @@ -283,11 +320,9 @@ public class ForkJoinPoolTest extends JS */ public void testSubmitForkJoinTask() throws Throwable { ForkJoinPool p = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(p)) { ForkJoinTask f = p.submit(new FibTask(8)); assertEquals(21, (int) f.get()); - } finally { - joinPool(p); } } @@ -296,15 +331,13 @@ public class ForkJoinPoolTest extends JS */ public void testSubmitAfterShutdown() { ForkJoinPool p = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(p)) { p.shutdown(); assertTrue(p.isShutdown()); try { ForkJoinTask f = p.submit(new FibTask(8)); shouldThrow(); } catch (RejectedExecutionException success) {} - } finally { - joinPool(p); } } @@ -316,9 +349,9 @@ public class ForkJoinPoolTest extends JS try { ReentrantLock lock = new ReentrantLock(); ManagedLocker locker = new ManagedLocker(lock); - ForkJoinTask f = new LockingFibTask(30, locker, lock); + ForkJoinTask f = new LockingFibTask(20, locker, lock); p.execute(f); - assertEquals(832040, (int) f.get()); + assertEquals(6765, (int) f.get()); } finally { p.shutdownNow(); // don't wait out shutdown } @@ -328,16 +361,16 @@ public class ForkJoinPoolTest extends JS * pollSubmission returns unexecuted submitted task, if present */ public void testPollSubmission() { + final CountDownLatch done = new CountDownLatch(1); SubFJP p = new SubFJP(); - try { - ForkJoinTask a = p.submit(new MediumRunnable()); - ForkJoinTask b = p.submit(new MediumRunnable()); - ForkJoinTask c = p.submit(new MediumRunnable()); + try (PoolCleaner cleaner = cleaner(p)) { + ForkJoinTask a = p.submit(awaiter(done)); + ForkJoinTask b = p.submit(awaiter(done)); + ForkJoinTask c = p.submit(awaiter(done)); ForkJoinTask r = p.pollSubmission(); assertTrue(r == a || r == b || r == c); assertFalse(r.isDone()); - } finally { - joinPool(p); + done.countDown(); } } @@ -345,11 +378,12 @@ public class ForkJoinPoolTest extends JS * drainTasksTo transfers unexecuted submitted tasks, if present */ public void testDrainTasksTo() { + final CountDownLatch done = new CountDownLatch(1); SubFJP p = new SubFJP(); - try { - ForkJoinTask a = p.submit(new MediumRunnable()); - ForkJoinTask b = p.submit(new MediumRunnable()); - ForkJoinTask c = p.submit(new MediumRunnable()); + try (PoolCleaner cleaner = cleaner(p)) { + ForkJoinTask a = p.submit(awaiter(done)); + ForkJoinTask b = p.submit(awaiter(done)); + ForkJoinTask c = p.submit(awaiter(done)); ArrayList al = new ArrayList(); p.drainTasksTo(al); assertTrue(al.size() > 0); @@ -357,12 +391,10 @@ public class ForkJoinPoolTest extends JS assertTrue(r == a || r == b || r == c); assertFalse(r.isDone()); } - } finally { - joinPool(p); + done.countDown(); } } - // FJ Versions of AbstractExecutorService tests /** @@ -370,29 +402,30 @@ public class ForkJoinPoolTest extends JS */ public void testExecuteRunnable() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { - TrackedShortRunnable task = new TrackedShortRunnable(); - assertFalse(task.done); - Future future = e.submit(task); - future.get(); - assertTrue(task.done); - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + final AtomicBoolean done = new AtomicBoolean(false); + Future future = e.submit(new CheckedRunnable() { + public void realRun() { + done.set(true); + }}); + assertNull(future.get()); + assertNull(future.get(0, MILLISECONDS)); + assertTrue(done.get()); + assertTrue(future.isDone()); + assertFalse(future.isCancelled()); } } - /** * Completed submit(callable) returns result */ public void testSubmitCallable() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(e)) { Future future = e.submit(new StringTask()); - String result = future.get(); - assertSame(TEST_STRING, result); - } finally { - joinPool(e); + assertSame(TEST_STRING, future.get()); + assertTrue(future.isDone()); + assertFalse(future.isCancelled()); } } @@ -401,12 +434,11 @@ public class ForkJoinPoolTest extends JS */ public void testSubmitRunnable() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(e)) { Future future = e.submit(new NoOpRunnable()); - future.get(); + assertNull(future.get()); assertTrue(future.isDone()); - } finally { - joinPool(e); + assertFalse(future.isCancelled()); } } @@ -415,115 +447,73 @@ public class ForkJoinPoolTest extends JS */ public void testSubmitRunnable2() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(e)) { Future future = e.submit(new NoOpRunnable(), TEST_STRING); - String result = future.get(); - assertSame(TEST_STRING, result); - } finally { - joinPool(e); + assertSame(TEST_STRING, future.get()); + assertTrue(future.isDone()); + assertFalse(future.isCancelled()); } } - /** - * A submitted privileged action to completion + * A submitted privileged action runs to completion */ - public void testSubmitPrivilegedAction() throws Throwable { - Policy savedPolicy = null; - try { - savedPolicy = Policy.getPolicy(); - AdjustablePolicy policy = new AdjustablePolicy(); - policy.addPermission(new RuntimePermission("getContextClassLoader")); - policy.addPermission(new RuntimePermission("setContextClassLoader")); - Policy.setPolicy(policy); - } catch (AccessControlException ok) { - return; - } - - try { + public void testSubmitPrivilegedAction() throws Exception { + final Callable callable = Executors.callable(new PrivilegedAction() { + public Object run() { return TEST_STRING; }}); + Runnable r = new CheckedRunnable() { + public void realRun() throws Exception { ExecutorService e = new ForkJoinPool(1); - try { - Future future = e.submit(Executors.callable(new PrivilegedAction() { - public Object run() { - return TEST_STRING; - }})); - - Object result = future.get(); - assertSame(TEST_STRING, result); - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + Future future = e.submit(callable); + assertSame(TEST_STRING, future.get()); } - } finally { - Policy.setPolicy(savedPolicy); - } + }}; + + runWithPermissions(r, new RuntimePermission("modifyThread")); } /** - * A submitted a privileged exception action runs to completion + * A submitted privileged exception action runs to completion */ - public void testSubmitPrivilegedExceptionAction() throws Throwable { - Policy savedPolicy = null; - try { - savedPolicy = Policy.getPolicy(); - AdjustablePolicy policy = new AdjustablePolicy(); - policy.addPermission(new RuntimePermission("getContextClassLoader")); - policy.addPermission(new RuntimePermission("setContextClassLoader")); - Policy.setPolicy(policy); - } catch (AccessControlException ok) { - return; - } - - try { + public void testSubmitPrivilegedExceptionAction() throws Exception { + final Callable callable = + Executors.callable(new PrivilegedExceptionAction() { + public Object run() { return TEST_STRING; }}); + Runnable r = new CheckedRunnable() { + public void realRun() throws Exception { ExecutorService e = new ForkJoinPool(1); - try { - Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { - public Object run() { - return TEST_STRING; - }})); - - Object result = future.get(); - assertSame(TEST_STRING, result); - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + Future future = e.submit(callable); + assertSame(TEST_STRING, future.get()); } - } finally { - Policy.setPolicy(savedPolicy); - } + }}; + + runWithPermissions(r, new RuntimePermission("modifyThread")); } /** * A submitted failed privileged exception action reports exception */ - public void testSubmitFailedPrivilegedExceptionAction() throws Throwable { - Policy savedPolicy = null; - try { - savedPolicy = Policy.getPolicy(); - AdjustablePolicy policy = new AdjustablePolicy(); - policy.addPermission(new RuntimePermission("getContextClassLoader")); - policy.addPermission(new RuntimePermission("setContextClassLoader")); - Policy.setPolicy(policy); - } catch (AccessControlException ok) { - return; - } - - try { + public void testSubmitFailedPrivilegedExceptionAction() throws Exception { + final Callable callable = + Executors.callable(new PrivilegedExceptionAction() { + public Object run() { throw new IndexOutOfBoundsException(); }}); + Runnable r = new CheckedRunnable() { + public void realRun() throws Exception { ExecutorService e = new ForkJoinPool(1); - try { - Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { - public Object run() throws Exception { - throw new IndexOutOfBoundsException(); - }})); - - Object result = future.get(); - shouldThrow(); - } catch (ExecutionException success) { - assertTrue(success.getCause() instanceof IndexOutOfBoundsException); - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + Future future = e.submit(callable); + try { + future.get(); + shouldThrow(); + } catch (ExecutionException success) { + assertTrue(success.getCause() instanceof IndexOutOfBoundsException); + } } - } finally { - Policy.setPolicy(savedPolicy); - } + }}; + + runWithPermissions(r, new RuntimePermission("modifyThread")); } /** @@ -531,31 +521,27 @@ public class ForkJoinPoolTest extends JS */ public void testExecuteNullRunnable() { ExecutorService e = new ForkJoinPool(1); - try { - Future future = e.submit((Runnable) null); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + try { + Future future = e.submit((Runnable) null); + shouldThrow(); + } catch (NullPointerException success) {} } } - /** * submit(null callable) throws NullPointerException */ public void testSubmitNullCallable() { ExecutorService e = new ForkJoinPool(1); - try { - Future future = e.submit((Callable) null); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + try { + Future future = e.submit((Callable) null); + shouldThrow(); + } catch (NullPointerException success) {} } } - /** * submit(callable).get() throws InterruptedException if interrupted */ @@ -591,17 +577,15 @@ public class ForkJoinPoolTest extends JS */ public void testSubmitEE() throws Throwable { ForkJoinPool p = new ForkJoinPool(1); - try { - p.submit(new Callable() { - public Object call() { - int i = 5/0; - return Boolean.TRUE; - }}).get(); - shouldThrow(); - } catch (ExecutionException success) { - assertTrue(success.getCause() instanceof ArithmeticException); - } finally { - joinPool(p); + try (PoolCleaner cleaner = cleaner(p)) { + try { + p.submit(new Callable() { + public Object call() { throw new ArithmeticException(); }}) + .get(); + shouldThrow(); + } catch (ExecutionException success) { + assertTrue(success.getCause() instanceof ArithmeticException); + } } } @@ -610,12 +594,11 @@ public class ForkJoinPoolTest extends JS */ public void testInvokeAny1() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { - e.invokeAny(null); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + try { + e.invokeAny(null); + shouldThrow(); + } catch (NullPointerException success) {} } } @@ -624,12 +607,11 @@ public class ForkJoinPoolTest extends JS */ public void testInvokeAny2() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { - e.invokeAny(new ArrayList>()); - shouldThrow(); - } catch (IllegalArgumentException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + try { + e.invokeAny(new ArrayList>()); + shouldThrow(); + } catch (IllegalArgumentException success) {} } } @@ -638,14 +620,13 @@ public class ForkJoinPoolTest extends JS */ public void testInvokeAny3() throws Throwable { ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(null); - try { - e.invokeAny(l); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(null); + try { + e.invokeAny(l); + shouldThrow(); + } catch (NullPointerException success) {} } } @@ -655,16 +636,15 @@ public class ForkJoinPoolTest extends JS public void testInvokeAny4() throws Throwable { CountDownLatch latch = new CountDownLatch(1); ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(latchAwaitingStringTask(latch)); - l.add(null); - try { - e.invokeAny(l); - shouldThrow(); - } catch (NullPointerException success) { - } finally { + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(latchAwaitingStringTask(latch)); + l.add(null); + try { + e.invokeAny(l); + shouldThrow(); + } catch (NullPointerException success) {} latch.countDown(); - joinPool(e); } } @@ -673,15 +653,15 @@ public class ForkJoinPoolTest extends JS */ public void testInvokeAny5() throws Throwable { ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(new NPETask()); - try { - e.invokeAny(l); - shouldThrow(); - } catch (ExecutionException success) { - assertTrue(success.getCause() instanceof NullPointerException); - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(new NPETask()); + try { + e.invokeAny(l); + shouldThrow(); + } catch (ExecutionException success) { + assertTrue(success.getCause() instanceof NullPointerException); + } } } @@ -690,14 +670,12 @@ public class ForkJoinPoolTest extends JS */ public void testInvokeAny6() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(e)) { List> l = new ArrayList>(); l.add(new StringTask()); l.add(new StringTask()); String result = e.invokeAny(l); assertSame(TEST_STRING, result); - } finally { - joinPool(e); } } @@ -706,12 +684,11 @@ public class ForkJoinPoolTest extends JS */ public void testInvokeAll1() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { - e.invokeAll(null); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + try { + e.invokeAll(null); + shouldThrow(); + } catch (NullPointerException success) {} } } @@ -720,12 +697,10 @@ public class ForkJoinPoolTest extends JS */ public void testInvokeAll2() throws InterruptedException { ExecutorService e = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(e)) { List> r = e.invokeAll(new ArrayList>()); assertTrue(r.isEmpty()); - } finally { - joinPool(e); } } @@ -734,15 +709,14 @@ public class ForkJoinPoolTest extends JS */ public void testInvokeAll3() throws InterruptedException { ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(new StringTask()); - l.add(null); - try { - e.invokeAll(l); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(new StringTask()); + l.add(null); + try { + e.invokeAll(l); + shouldThrow(); + } catch (NullPointerException success) {} } } @@ -752,17 +726,17 @@ public class ForkJoinPoolTest extends JS */ public void testInvokeAll4() throws Throwable { ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(new NPETask()); - List> futures = e.invokeAll(l); - assertEquals(1, futures.size()); - try { - futures.get(0).get(); - shouldThrow(); - } catch (ExecutionException success) { - assertTrue(success.getCause() instanceof NullPointerException); - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(new NPETask()); + List> futures = e.invokeAll(l); + assertEquals(1, futures.size()); + try { + futures.get(0).get(); + shouldThrow(); + } catch (ExecutionException success) { + assertTrue(success.getCause() instanceof NullPointerException); + } } } @@ -771,7 +745,7 @@ public class ForkJoinPoolTest extends JS */ public void testInvokeAll5() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(e)) { List> l = new ArrayList>(); l.add(new StringTask()); l.add(new StringTask()); @@ -779,23 +753,19 @@ public class ForkJoinPoolTest extends JS assertEquals(2, futures.size()); for (Future future : futures) assertSame(TEST_STRING, future.get()); - } finally { - joinPool(e); } } - /** * timed invokeAny(null) throws NullPointerException */ public void testTimedInvokeAny1() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { - e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + try { + e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); + shouldThrow(); + } catch (NullPointerException success) {} } } @@ -804,14 +774,13 @@ public class ForkJoinPoolTest extends JS */ public void testTimedInvokeAnyNullTimeUnit() throws Throwable { ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(new StringTask()); - try { - e.invokeAny(l, MEDIUM_DELAY_MS, null); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(new StringTask()); + try { + e.invokeAny(l, MEDIUM_DELAY_MS, null); + shouldThrow(); + } catch (NullPointerException success) {} } } @@ -820,13 +789,12 @@ public class ForkJoinPoolTest extends JS */ public void testTimedInvokeAny2() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { - e.invokeAny(new ArrayList>(), - MEDIUM_DELAY_MS, MILLISECONDS); - shouldThrow(); - } catch (IllegalArgumentException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + try { + e.invokeAny(new ArrayList>(), + MEDIUM_DELAY_MS, MILLISECONDS); + shouldThrow(); + } catch (IllegalArgumentException success) {} } } @@ -836,16 +804,15 @@ public class ForkJoinPoolTest extends JS public void testTimedInvokeAny3() throws Throwable { CountDownLatch latch = new CountDownLatch(1); ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(latchAwaitingStringTask(latch)); - l.add(null); - try { - e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); - shouldThrow(); - } catch (NullPointerException success) { - } finally { + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(latchAwaitingStringTask(latch)); + l.add(null); + try { + e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); + shouldThrow(); + } catch (NullPointerException success) {} latch.countDown(); - joinPool(e); } } @@ -854,15 +821,15 @@ public class ForkJoinPoolTest extends JS */ public void testTimedInvokeAny4() throws Throwable { ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(new NPETask()); - try { - e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); - shouldThrow(); - } catch (ExecutionException success) { - assertTrue(success.getCause() instanceof NullPointerException); - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(new NPETask()); + try { + e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); + shouldThrow(); + } catch (ExecutionException success) { + assertTrue(success.getCause() instanceof NullPointerException); + } } } @@ -871,14 +838,12 @@ public class ForkJoinPoolTest extends JS */ public void testTimedInvokeAny5() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(e)) { List> l = new ArrayList>(); l.add(new StringTask()); l.add(new StringTask()); String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); assertSame(TEST_STRING, result); - } finally { - joinPool(e); } } @@ -887,12 +852,11 @@ public class ForkJoinPoolTest extends JS */ public void testTimedInvokeAll1() throws Throwable { ExecutorService e = new ForkJoinPool(1); - try { - e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + try { + e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); + shouldThrow(); + } catch (NullPointerException success) {} } } @@ -901,14 +865,13 @@ public class ForkJoinPoolTest extends JS */ public void testTimedInvokeAllNullTimeUnit() throws Throwable { ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(new StringTask()); - try { - e.invokeAll(l, MEDIUM_DELAY_MS, null); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(new StringTask()); + try { + e.invokeAll(l, MEDIUM_DELAY_MS, null); + shouldThrow(); + } catch (NullPointerException success) {} } } @@ -917,13 +880,11 @@ public class ForkJoinPoolTest extends JS */ public void testTimedInvokeAll2() throws InterruptedException { ExecutorService e = new ForkJoinPool(1); - try { + try (PoolCleaner cleaner = cleaner(e)) { List> r = e.invokeAll(new ArrayList>(), MEDIUM_DELAY_MS, MILLISECONDS); assertTrue(r.isEmpty()); - } finally { - joinPool(e); } } @@ -932,15 +893,14 @@ public class ForkJoinPoolTest extends JS */ public void testTimedInvokeAll3() throws InterruptedException { ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(new StringTask()); - l.add(null); - try { - e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); - shouldThrow(); - } catch (NullPointerException success) { - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(new StringTask()); + l.add(null); + try { + e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); + shouldThrow(); + } catch (NullPointerException success) {} } } @@ -949,18 +909,18 @@ public class ForkJoinPoolTest extends JS */ public void testTimedInvokeAll4() throws Throwable { ExecutorService e = new ForkJoinPool(1); - List> l = new ArrayList>(); - l.add(new NPETask()); - List> futures - = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); - assertEquals(1, futures.size()); - try { - futures.get(0).get(); - shouldThrow(); - } catch (ExecutionException success) { - assertTrue(success.getCause() instanceof NullPointerException); - } finally { - joinPool(e); + try (PoolCleaner cleaner = cleaner(e)) { + List> l = new ArrayList>(); + l.add(new NPETask()); + List> futures + = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); + assertEquals(1, futures.size()); + try { + futures.get(0).get(); + shouldThrow(); + } catch (ExecutionException success) { + assertTrue(success.getCause() instanceof NullPointerException); + } } } @@ -968,18 +928,16 @@ public class ForkJoinPoolTest extends JS * timed invokeAll(c) returns results of all completed tasks in c */ public void testTimedInvokeAll5() throws Throwable { - ExecutorService e = new ForkJoinPool(1); - try { + ForkJoinPool e = new ForkJoinPool(1); + try (PoolCleaner cleaner = cleaner(e)) { List> l = new ArrayList>(); l.add(new StringTask()); l.add(new StringTask()); List> futures - = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); + = e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); assertEquals(2, futures.size()); for (Future future : futures) assertSame(TEST_STRING, future.get()); - } finally { - joinPool(e); } }