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root/jsr166/jsr166/src/test/tck/ForkJoinPoolTest.java
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Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.41 by jsr166, Fri May 27 19:42:42 2011 UTC vs.
Revision 1.53 by jsr166, Wed Dec 31 16:44:01 2014 UTC

# Line 10 | Line 10 | import java.util.Collection;
10   import java.util.List;
11   import java.util.concurrent.Executors;
12   import java.util.concurrent.ExecutorService;
13 – import java.util.concurrent.AbstractExecutorService;
13   import java.util.concurrent.CountDownLatch;
14   import java.util.concurrent.Callable;
15   import java.util.concurrent.Future;
16   import java.util.concurrent.ExecutionException;
18 – import java.util.concurrent.CancellationException;
17   import java.util.concurrent.RejectedExecutionException;
18   import java.util.concurrent.ForkJoinPool;
19   import java.util.concurrent.ForkJoinTask;
20   import java.util.concurrent.ForkJoinWorkerThread;
21   import java.util.concurrent.RecursiveTask;
22 < import java.util.concurrent.TimeUnit;
22 > import java.util.concurrent.atomic.AtomicBoolean;
23   import java.util.concurrent.locks.ReentrantLock;
24   import static java.util.concurrent.TimeUnit.MILLISECONDS;
25 < import java.security.AccessControlException;
28 < import java.security.Policy;
25 > import static java.util.concurrent.TimeUnit.NANOSECONDS;
26   import java.security.PrivilegedAction;
27   import java.security.PrivilegedExceptionAction;
28  
# Line 38 | Line 35 | public class ForkJoinPoolTest extends JS
35          return new TestSuite(ForkJoinPoolTest.class);
36      }
37  
38 <    /**
38 >    /*
39       * Testing coverage notes:
40       *
41       * 1. shutdown and related methods are tested via super.joinPool.
# Line 106 | Line 103 | public class ForkJoinPoolTest extends JS
103      static final class FibTask extends RecursiveTask<Integer> {
104          final int number;
105          FibTask(int n) { number = n; }
106 <        public Integer compute() {
106 >        protected Integer compute() {
107              int n = number;
108              if (n <= 1)
109                  return n;
# Line 134 | Line 131 | public class ForkJoinPoolTest extends JS
131              this.locker = locker;
132              this.lock = lock;
133          }
134 <        public Integer compute() {
134 >        protected Integer compute() {
135              int n;
136              LockingFibTask f1 = null;
137              LockingFibTask f2 = null;
# Line 225 | Line 222 | public class ForkJoinPoolTest extends JS
222      }
223  
224      /**
225 +     * awaitTermination on a non-shutdown pool times out
226 +     */
227 +    public void testAwaitTermination_timesOut() throws InterruptedException {
228 +        ForkJoinPool p = new ForkJoinPool(1);
229 +        assertFalse(p.isTerminated());
230 +        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
231 +        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
232 +        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
233 +        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
234 +        assertFalse(p.awaitTermination(0L, NANOSECONDS));
235 +        assertFalse(p.awaitTermination(0L, MILLISECONDS));
236 +        long timeoutNanos = 999999L;
237 +        long startTime = System.nanoTime();
238 +        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
239 +        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
240 +        assertFalse(p.isTerminated());
241 +        startTime = System.nanoTime();
242 +        long timeoutMillis = timeoutMillis();
243 +        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
244 +        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
245 +        assertFalse(p.isTerminated());
246 +        p.shutdown();
247 +        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
248 +        assertTrue(p.isTerminated());
249 +    }
250 +
251 +    /**
252       * setUncaughtExceptionHandler changes handler for uncaught exceptions.
253       *
254       * Additionally tests: Overriding ForkJoinWorkerThread.onStart
# Line 241 | Line 265 | public class ForkJoinPoolTest extends JS
265                                            eh, false);
266          try {
267              assertSame(eh, p.getUncaughtExceptionHandler());
268 <            p.execute(new FibTask(8));
269 <            assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
268 >            try {
269 >                p.execute(new FibTask(8));
270 >                assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
271 >            } catch (RejectedExecutionException ok) {
272 >            }
273          } finally {
274              p.shutdownNow(); // failure might have prevented processing task
275              joinPool(p);
# Line 255 | Line 282 | public class ForkJoinPoolTest extends JS
282       * the task has completed successfully, and construction
283       * parameters continue to hold
284       */
285 <    public void testisQuiescent() throws Exception {
285 >    public void testIsQuiescent() throws Exception {
286          ForkJoinPool p = new ForkJoinPool(2);
287          try {
288              assertTrue(p.isQuiescent());
# Line 386 | Line 413 | public class ForkJoinPoolTest extends JS
413      public void testExecuteRunnable() throws Throwable {
414          ExecutorService e = new ForkJoinPool(1);
415          try {
416 <            TrackedRunnable task = trackedRunnable(SHORT_DELAY_MS);
417 <            assertFalse(task.isDone());
418 <            Future<?> future = e.submit(task);
416 >            final AtomicBoolean done = new AtomicBoolean(false);
417 >            Future<?> future = e.submit(new CheckedRunnable() {
418 >                public void realRun() {
419 >                    done.set(true);
420 >                }});
421              assertNull(future.get());
422 <            assertNull(future.get(MEDIUM_DELAY_MS, MILLISECONDS));
423 <            assertTrue(task.isDone());
422 >            assertNull(future.get(0, MILLISECONDS));
423 >            assertTrue(done.get());
424              assertTrue(future.isDone());
425              assertFalse(future.isCancelled());
426          } finally {
# Line 448 | Line 477 | public class ForkJoinPoolTest extends JS
477       * A submitted privileged action runs to completion
478       */
479      public void testSubmitPrivilegedAction() throws Exception {
480 +        final Callable callable = Executors.callable(new PrivilegedAction() {
481 +                public Object run() { return TEST_STRING; }});
482          Runnable r = new CheckedRunnable() {
483 <            public void realRun() throws Exception {
484 <                ExecutorService e = new ForkJoinPool(1);
485 <                Future future = e.submit(Executors.callable(new PrivilegedAction() {
486 <                    public Object run() {
456 <                        return TEST_STRING;
457 <                    }}));
458 <
483 >        public void realRun() throws Exception {
484 >            ExecutorService e = new ForkJoinPool(1);
485 >            try {
486 >                Future future = e.submit(callable);
487                  assertSame(TEST_STRING, future.get());
488 <            }};
488 >            } finally {
489 >                joinPool(e);
490 >            }
491 >        }};
492  
493 <        runWithPermissions(r,
463 <                           new RuntimePermission("modifyThread"));
493 >        runWithPermissions(r, new RuntimePermission("modifyThread"));
494      }
495  
496      /**
497       * A submitted privileged exception action runs to completion
498       */
499      public void testSubmitPrivilegedExceptionAction() throws Exception {
500 +        final Callable callable =
501 +            Executors.callable(new PrivilegedExceptionAction() {
502 +                public Object run() { return TEST_STRING; }});
503          Runnable r = new CheckedRunnable() {
504 <            public void realRun() throws Exception {
505 <                ExecutorService e = new ForkJoinPool(1);
506 <                Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
507 <                    public Object run() {
475 <                        return TEST_STRING;
476 <                    }}));
477 <
504 >        public void realRun() throws Exception {
505 >            ExecutorService e = new ForkJoinPool(1);
506 >            try {
507 >                Future future = e.submit(callable);
508                  assertSame(TEST_STRING, future.get());
509 <            }};
509 >            } finally {
510 >                joinPool(e);
511 >            }
512 >        }};
513  
514          runWithPermissions(r, new RuntimePermission("modifyThread"));
515      }
# Line 485 | Line 518 | public class ForkJoinPoolTest extends JS
518       * A submitted failed privileged exception action reports exception
519       */
520      public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
521 +        final Callable callable =
522 +            Executors.callable(new PrivilegedExceptionAction() {
523 +                public Object run() { throw new IndexOutOfBoundsException(); }});
524          Runnable r = new CheckedRunnable() {
525 <            public void realRun() throws Exception {
526 <                ExecutorService e = new ForkJoinPool(1);
527 <                Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
528 <                    public Object run() throws Exception {
493 <                        throw new IndexOutOfBoundsException();
494 <                    }}));
495 <
525 >        public void realRun() throws Exception {
526 >            ExecutorService e = new ForkJoinPool(1);
527 >            try {
528 >                Future future = e.submit(callable);
529                  try {
530                      future.get();
531                      shouldThrow();
532                  } catch (ExecutionException success) {
533                      assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
534 <                }}};
534 >                }
535 >            } finally {
536 >                joinPool(e);
537 >            }
538 >        }};
539  
540          runWithPermissions(r, new RuntimePermission("modifyThread"));
541      }
# Line 568 | Line 605 | public class ForkJoinPoolTest extends JS
605          ForkJoinPool p = new ForkJoinPool(1);
606          try {
607              p.submit(new Callable() {
608 <                public Object call() {
609 <                    int i = 5/0;
573 <                    return Boolean.TRUE;
574 <                }}).get();
608 >                public Object call() { throw new ArithmeticException(); }})
609 >                .get();
610              shouldThrow();
611          } catch (ExecutionException success) {
612              assertTrue(success.getCause() instanceof ArithmeticException);

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