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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.49 by jsr166, Tue Jan 5 02:08:37 2010 UTC vs.
Revision 1.59 by jsr166, Wed Oct 6 02:58:04 2010 UTC

# Line 7 | Line 7
7   */
8  
9   import junit.framework.*;
10 < import java.util.*;
10 > import java.util.PropertyPermission;
11   import java.util.concurrent.*;
12 + import java.util.concurrent.atomic.AtomicReference;
13   import static java.util.concurrent.TimeUnit.MILLISECONDS;
14 < import java.io.*;
15 < import java.security.*;
14 > import java.security.CodeSource;
15 > import java.security.Permission;
16 > import java.security.PermissionCollection;
17 > import java.security.Permissions;
18 > import java.security.Policy;
19 > import java.security.ProtectionDomain;
20 > import java.security.SecurityPermission;
21  
22   /**
23   * Base class for JSR166 Junit TCK tests.  Defines some constants,
# Line 26 | Line 32 | import java.security.*;
32   * <li> All assertions in code running in generated threads must use
33   * the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
34   * #threadAssertEquals}, or {@link #threadAssertNull}, (not
35 < * <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but not
35 > * {@code fail}, {@code assertTrue}, etc.) It is OK (but not
36   * particularly recommended) for other code to use these forms too.
37   * Only the most typically used JUnit assertion methods are defined
38   * this way, but enough to live with.</li>
39   *
40   * <li> If you override {@link #setUp} or {@link #tearDown}, make sure
41 < * to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within
41 > * to invoke {@code super.setUp} and {@code super.tearDown} within
42   * them. These methods are used to clear and check for thread
43   * assertion failures.</li>
44   *
45 < * <li>All delays and timeouts must use one of the constants <tt>
46 < * SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>,
47 < * <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always
45 > * <li>All delays and timeouts must use one of the constants {@code
46 > * SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
47 > * {@code LONG_DELAY_MS}. The idea here is that a SHORT is always
48   * discriminable from zero time, and always allows enough time for the
49   * small amounts of computation (creating a thread, calling a few
50   * methods, etc) needed to reach a timeout point. Similarly, a SMALL
# Line 48 | Line 54 | import java.security.*;
54   * in one spot to rerun tests on slower platforms.</li>
55   *
56   * <li> All threads generated must be joined inside each test case
57 < * method (or <tt>fail</tt> to do so) before returning from the
58 < * method. The <tt> joinPool</tt> method can be used to do this when
57 > * method (or {@code fail} to do so) before returning from the
58 > * method. The {@code joinPool} method can be used to do this when
59   * using Executors.</li>
60   *
61   * </ol>
# Line 81 | Line 87 | import java.security.*;
87   * any particular package to simplify things for people integrating
88   * them in TCK test suites.</li>
89   *
90 < * <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase)
90 > * <li> As a convenience, the {@code main} of this class (JSR166TestCase)
91   * runs all JSR166 unit tests.</li>
92   *
93   * </ul>
# Line 99 | Line 105 | public class JSR166TestCase extends Test
105              Policy.setPolicy(permissivePolicy());
106              System.setSecurityManager(new SecurityManager());
107          }
108 <        int iters = 1;
109 <        if (args.length > 0)
104 <            iters = Integer.parseInt(args[0]);
108 >        int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
109 >
110          Test s = suite();
111          for (int i = 0; i < iters; ++i) {
112              junit.textui.TestRunner.run(s);
# Line 117 | Line 122 | public class JSR166TestCase extends Test
122      public static Test suite() {
123          TestSuite suite = new TestSuite("JSR166 Unit Tests");
124  
125 <        suite.addTest(new TestSuite(ForkJoinPoolTest.class));
126 <        suite.addTest(new TestSuite(ForkJoinTaskTest.class));
127 <        suite.addTest(new TestSuite(RecursiveActionTest.class));
128 <        suite.addTest(new TestSuite(RecursiveTaskTest.class));
129 <        suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
130 <        suite.addTest(new TestSuite(PhaserTest.class));
131 <        suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
132 <        suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
133 <        suite.addTest(new TestSuite(AbstractQueueTest.class));
134 <        suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
135 <        suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
136 <        suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
137 <        suite.addTest(new TestSuite(ArrayDequeTest.class));
138 <        suite.addTest(new TestSuite(AtomicBooleanTest.class));
139 <        suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
140 <        suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
141 <        suite.addTest(new TestSuite(AtomicIntegerTest.class));
142 <        suite.addTest(new TestSuite(AtomicLongArrayTest.class));
143 <        suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
144 <        suite.addTest(new TestSuite(AtomicLongTest.class));
145 <        suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
146 <        suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
147 <        suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
148 <        suite.addTest(new TestSuite(AtomicReferenceTest.class));
149 <        suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
150 <        suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
151 <        suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
152 <        suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
153 <        suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
154 <        suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
155 <        suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
156 <        suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
157 <        suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
158 <        suite.addTest(new TestSuite(CountDownLatchTest.class));
159 <        suite.addTest(new TestSuite(CyclicBarrierTest.class));
160 <        suite.addTest(new TestSuite(DelayQueueTest.class));
161 <        suite.addTest(new TestSuite(EntryTest.class));
162 <        suite.addTest(new TestSuite(ExchangerTest.class));
163 <        suite.addTest(new TestSuite(ExecutorsTest.class));
164 <        suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
165 <        suite.addTest(new TestSuite(FutureTaskTest.class));
166 <        suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
167 <        suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
168 <        suite.addTest(new TestSuite(LinkedListTest.class));
169 <        suite.addTest(new TestSuite(LockSupportTest.class));
170 <        suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
171 <        suite.addTest(new TestSuite(PriorityQueueTest.class));
172 <        suite.addTest(new TestSuite(ReentrantLockTest.class));
173 <        suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
174 <        suite.addTest(new TestSuite(ScheduledExecutorTest.class));
175 <        suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
176 <        suite.addTest(new TestSuite(SemaphoreTest.class));
177 <        suite.addTest(new TestSuite(SynchronousQueueTest.class));
178 <        suite.addTest(new TestSuite(SystemTest.class));
179 <        suite.addTest(new TestSuite(ThreadLocalTest.class));
180 <        suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
181 <        suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
182 <        suite.addTest(new TestSuite(ThreadTest.class));
183 <        suite.addTest(new TestSuite(TimeUnitTest.class));
184 <        suite.addTest(new TestSuite(TreeMapTest.class));
185 <        suite.addTest(new TestSuite(TreeSetTest.class));
186 <        suite.addTest(new TestSuite(TreeSubMapTest.class));
187 <        suite.addTest(new TestSuite(TreeSubSetTest.class));
125 >        suite.addTest(ForkJoinPoolTest.suite());
126 >        suite.addTest(ForkJoinTaskTest.suite());
127 >        suite.addTest(RecursiveActionTest.suite());
128 >        suite.addTest(RecursiveTaskTest.suite());
129 >        suite.addTest(LinkedTransferQueueTest.suite());
130 >        suite.addTest(PhaserTest.suite());
131 >        suite.addTest(ThreadLocalRandomTest.suite());
132 >        suite.addTest(AbstractExecutorServiceTest.suite());
133 >        suite.addTest(AbstractQueueTest.suite());
134 >        suite.addTest(AbstractQueuedSynchronizerTest.suite());
135 >        suite.addTest(AbstractQueuedLongSynchronizerTest.suite());
136 >        suite.addTest(ArrayBlockingQueueTest.suite());
137 >        suite.addTest(ArrayDequeTest.suite());
138 >        suite.addTest(AtomicBooleanTest.suite());
139 >        suite.addTest(AtomicIntegerArrayTest.suite());
140 >        suite.addTest(AtomicIntegerFieldUpdaterTest.suite());
141 >        suite.addTest(AtomicIntegerTest.suite());
142 >        suite.addTest(AtomicLongArrayTest.suite());
143 >        suite.addTest(AtomicLongFieldUpdaterTest.suite());
144 >        suite.addTest(AtomicLongTest.suite());
145 >        suite.addTest(AtomicMarkableReferenceTest.suite());
146 >        suite.addTest(AtomicReferenceArrayTest.suite());
147 >        suite.addTest(AtomicReferenceFieldUpdaterTest.suite());
148 >        suite.addTest(AtomicReferenceTest.suite());
149 >        suite.addTest(AtomicStampedReferenceTest.suite());
150 >        suite.addTest(ConcurrentHashMapTest.suite());
151 >        suite.addTest(ConcurrentLinkedDequeTest.suite());
152 >        suite.addTest(ConcurrentLinkedQueueTest.suite());
153 >        suite.addTest(ConcurrentSkipListMapTest.suite());
154 >        suite.addTest(ConcurrentSkipListSubMapTest.suite());
155 >        suite.addTest(ConcurrentSkipListSetTest.suite());
156 >        suite.addTest(ConcurrentSkipListSubSetTest.suite());
157 >        suite.addTest(CopyOnWriteArrayListTest.suite());
158 >        suite.addTest(CopyOnWriteArraySetTest.suite());
159 >        suite.addTest(CountDownLatchTest.suite());
160 >        suite.addTest(CyclicBarrierTest.suite());
161 >        suite.addTest(DelayQueueTest.suite());
162 >        suite.addTest(EntryTest.suite());
163 >        suite.addTest(ExchangerTest.suite());
164 >        suite.addTest(ExecutorsTest.suite());
165 >        suite.addTest(ExecutorCompletionServiceTest.suite());
166 >        suite.addTest(FutureTaskTest.suite());
167 >        suite.addTest(LinkedBlockingDequeTest.suite());
168 >        suite.addTest(LinkedBlockingQueueTest.suite());
169 >        suite.addTest(LinkedListTest.suite());
170 >        suite.addTest(LockSupportTest.suite());
171 >        suite.addTest(PriorityBlockingQueueTest.suite());
172 >        suite.addTest(PriorityQueueTest.suite());
173 >        suite.addTest(ReentrantLockTest.suite());
174 >        suite.addTest(ReentrantReadWriteLockTest.suite());
175 >        suite.addTest(ScheduledExecutorTest.suite());
176 >        suite.addTest(ScheduledExecutorSubclassTest.suite());
177 >        suite.addTest(SemaphoreTest.suite());
178 >        suite.addTest(SynchronousQueueTest.suite());
179 >        suite.addTest(SystemTest.suite());
180 >        suite.addTest(ThreadLocalTest.suite());
181 >        suite.addTest(ThreadPoolExecutorTest.suite());
182 >        suite.addTest(ThreadPoolExecutorSubclassTest.suite());
183 >        suite.addTest(ThreadTest.suite());
184 >        suite.addTest(TimeUnitTest.suite());
185 >        suite.addTest(TreeMapTest.suite());
186 >        suite.addTest(TreeSetTest.suite());
187 >        suite.addTest(TreeSubMapTest.suite());
188 >        suite.addTest(TreeSubSetTest.suite());
189  
190          return suite;
191      }
# Line 205 | Line 211 | public class JSR166TestCase extends Test
211       */
212      protected void setDelays() {
213          SHORT_DELAY_MS = getShortDelay();
214 <        SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
214 >        SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
215          MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
216 <        LONG_DELAY_MS = SHORT_DELAY_MS * 50;
216 >        LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
217      }
218  
219      /**
220 <     * Flag set true if any threadAssert methods fail
220 >     * The first exception encountered if any threadAssertXXX method fails.
221       */
222 <    volatile boolean threadFailed;
222 >    private final AtomicReference<Throwable> threadFailure
223 >        = new AtomicReference<Throwable>(null);
224  
225      /**
226 <     * Initializes test to indicate that no thread assertions have failed
226 >     * Records an exception so that it can be rethrown later in the test
227 >     * harness thread, triggering a test case failure.  Only the first
228 >     * failure is recorded; subsequent calls to this method from within
229 >     * the same test have no effect.
230       */
231 +    public void threadRecordFailure(Throwable t) {
232 +        threadFailure.compareAndSet(null, t);
233 +    }
234 +
235      public void setUp() {
236          setDelays();
223        threadFailed = false;
237      }
238  
239      /**
240 <     * Triggers test case failure if any thread assertions have failed
241 <     */
242 <    public void tearDown() {
243 <        assertFalse(threadFailed);
240 >     * Triggers test case failure if any thread assertions have failed,
241 >     * by rethrowing, in the test harness thread, any exception recorded
242 >     * earlier by threadRecordFailure.
243 >     */
244 >    public void tearDown() throws Exception {
245 >        Throwable t = threadFailure.get();
246 >        if (t != null) {
247 >            if (t instanceof Error)
248 >                throw (Error) t;
249 >            else if (t instanceof RuntimeException)
250 >                throw (RuntimeException) t;
251 >            else if (t instanceof Exception)
252 >                throw (Exception) t;
253 >            else {
254 >                AssertionFailedError afe =
255 >                    new AssertionFailedError(t.toString());
256 >                afe.initCause(t);
257 >                throw afe;
258 >            }
259 >        }
260      }
261  
262      /**
263 <     * Fail, also setting status to indicate current testcase should fail
263 >     * Just like fail(reason), but additionally recording (using
264 >     * threadRecordFailure) any AssertionFailedError thrown, so that
265 >     * the current testcase will fail.
266       */
267      public void threadFail(String reason) {
268 <        threadFailed = true;
269 <        fail(reason);
268 >        try {
269 >            fail(reason);
270 >        } catch (AssertionFailedError t) {
271 >            threadRecordFailure(t);
272 >            fail(reason);
273 >        }
274      }
275  
276      /**
277 <     * If expression not true, set status to indicate current testcase
278 <     * should fail
277 >     * Just like assertTrue(b), but additionally recording (using
278 >     * threadRecordFailure) any AssertionFailedError thrown, so that
279 >     * the current testcase will fail.
280       */
281      public void threadAssertTrue(boolean b) {
282 <        if (!b) {
247 <            threadFailed = true;
282 >        try {
283              assertTrue(b);
284 +        } catch (AssertionFailedError t) {
285 +            threadRecordFailure(t);
286 +            throw t;
287          }
288      }
289  
290      /**
291 <     * If expression not false, set status to indicate current testcase
292 <     * should fail
291 >     * Just like assertFalse(b), but additionally recording (using
292 >     * threadRecordFailure) any AssertionFailedError thrown, so that
293 >     * the current testcase will fail.
294       */
295      public void threadAssertFalse(boolean b) {
296 <        if (b) {
258 <            threadFailed = true;
296 >        try {
297              assertFalse(b);
298 +        } catch (AssertionFailedError t) {
299 +            threadRecordFailure(t);
300 +            throw t;
301          }
302      }
303  
304      /**
305 <     * If argument not null, set status to indicate current testcase
306 <     * should fail
305 >     * Just like assertNull(x), but additionally recording (using
306 >     * threadRecordFailure) any AssertionFailedError thrown, so that
307 >     * the current testcase will fail.
308       */
309      public void threadAssertNull(Object x) {
310 <        if (x != null) {
269 <            threadFailed = true;
310 >        try {
311              assertNull(x);
312 +        } catch (AssertionFailedError t) {
313 +            threadRecordFailure(t);
314 +            throw t;
315          }
316      }
317  
318      /**
319 <     * If arguments not equal, set status to indicate current testcase
320 <     * should fail
319 >     * Just like assertEquals(x, y), but additionally recording (using
320 >     * threadRecordFailure) any AssertionFailedError thrown, so that
321 >     * the current testcase will fail.
322       */
323      public void threadAssertEquals(long x, long y) {
324 <        if (x != y) {
280 <            threadFailed = true;
324 >        try {
325              assertEquals(x, y);
326 +        } catch (AssertionFailedError t) {
327 +            threadRecordFailure(t);
328 +            throw t;
329          }
330      }
331  
332      /**
333 <     * If arguments not equal, set status to indicate current testcase
334 <     * should fail
333 >     * Just like assertEquals(x, y), but additionally recording (using
334 >     * threadRecordFailure) any AssertionFailedError thrown, so that
335 >     * the current testcase will fail.
336       */
337      public void threadAssertEquals(Object x, Object y) {
338 <        if (x != y && (x == null || !x.equals(y))) {
291 <            threadFailed = true;
338 >        try {
339              assertEquals(x, y);
340 +        } catch (AssertionFailedError t) {
341 +            threadRecordFailure(t);
342 +            throw t;
343 +        } catch (Throwable t) {
344 +            threadUnexpectedException(t);
345          }
346      }
347  
348      /**
349 <     * threadFail with message "should throw exception"
349 >     * Just like assertSame(x, y), but additionally recording (using
350 >     * threadRecordFailure) any AssertionFailedError thrown, so that
351 >     * the current testcase will fail.
352       */
353 <    public void threadShouldThrow() {
354 <        threadFailed = true;
355 <        fail("should throw exception");
353 >    public void threadAssertSame(Object x, Object y) {
354 >        try {
355 >            assertSame(x, y);
356 >        } catch (AssertionFailedError t) {
357 >            threadRecordFailure(t);
358 >            throw t;
359 >        }
360      }
361  
362      /**
363 <     * threadFail with message "should throw" + exceptionName
363 >     * Calls threadFail with message "should throw exception".
364       */
365 <    public void threadShouldThrow(String exceptionName) {
366 <        threadFailed = true;
309 <        fail("should throw " + exceptionName);
365 >    public void threadShouldThrow() {
366 >        threadFail("should throw exception");
367      }
368  
369      /**
370 <     * threadFail with message "Unexpected exception"
370 >     * Calls threadFail with message "should throw" + exceptionName.
371       */
372 <    public void threadUnexpectedException() {
373 <        threadFailed = true;
317 <        fail("Unexpected exception");
372 >    public void threadShouldThrow(String exceptionName) {
373 >        threadFail("should throw " + exceptionName);
374      }
375  
376      /**
377 <     * threadFail with message "Unexpected exception", with argument
377 >     * Records the given exception using {@link #threadRecordFailure},
378 >     * then rethrows the exception, wrapping it in an
379 >     * AssertionFailedError if necessary.
380       */
381 <    public void threadUnexpectedException(Throwable ex) {
382 <        threadFailed = true;
383 <        ex.printStackTrace();
384 <        fail("Unexpected exception: " + ex);
381 >    public void threadUnexpectedException(Throwable t) {
382 >        threadRecordFailure(t);
383 >        t.printStackTrace();
384 >        if (t instanceof RuntimeException)
385 >            throw (RuntimeException) t;
386 >        else if (t instanceof Error)
387 >            throw (Error) t;
388 >        else {
389 >            AssertionFailedError afe =
390 >                new AssertionFailedError("unexpected exception: " + t);
391 >            t.initCause(t);
392 >            throw afe;
393 >        }
394      }
395  
396      /**
397 <     * Wait out termination of a thread pool or fail doing so
397 >     * Waits out termination of a thread pool or fails doing so.
398       */
399      public void joinPool(ExecutorService exec) {
400          try {
401              exec.shutdown();
402 <            assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
402 >            assertTrue("ExecutorService did not terminate in a timely manner",
403 >                       exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
404          } catch (SecurityException ok) {
405              // Allowed in case test doesn't have privs
406          } catch (InterruptedException ie) {
# Line 342 | Line 410 | public class JSR166TestCase extends Test
410  
411  
412      /**
413 <     * fail with message "should throw exception"
413 >     * Fails with message "should throw exception".
414       */
415      public void shouldThrow() {
416          fail("Should throw exception");
417      }
418  
419      /**
420 <     * fail with message "should throw " + exceptionName
420 >     * Fails with message "should throw " + exceptionName.
421       */
422      public void shouldThrow(String exceptionName) {
423          fail("Should throw " + exceptionName);
424      }
425  
426      /**
359     * fail with message "Unexpected exception"
360     */
361    public void unexpectedException() {
362        fail("Unexpected exception");
363    }
364
365    /**
366     * fail with message "Unexpected exception", with argument
367     */
368    public void unexpectedException(Throwable ex) {
369        ex.printStackTrace();
370        fail("Unexpected exception: " + ex);
371    }
372
373
374    /**
427       * The number of elements to place in collections, arrays, etc.
428       */
429      public static final int SIZE = 20;
# Line 482 | Line 534 | public class JSR166TestCase extends Test
534      }
535  
536      /**
537 <     * Sleep until the timeout has elapsed, or interrupted.
537 >     * Sleeps until the timeout has elapsed, or interrupted.
538       * Does <em>NOT</em> throw InterruptedException.
539       */
540      void sleepTillInterrupted(long timeoutMillis) {
# Line 492 | Line 544 | public class JSR166TestCase extends Test
544      }
545  
546      /**
547 <     * Returns a new started Thread running the given runnable.
547 >     * Returns a new started daemon Thread running the given runnable.
548       */
549      Thread newStartedThread(Runnable runnable) {
550          Thread t = new Thread(runnable);
551 +        t.setDaemon(true);
552          t.start();
553          return t;
554      }
555  
556 +    /**
557 +     * Waits for the specified time (in milliseconds) for the thread
558 +     * to terminate (using {@link Thread#join(long)}), else interrupts
559 +     * the thread (in the hope that it may terminate later) and fails.
560 +     */
561 +    void awaitTermination(Thread t, long timeoutMillis) {
562 +        try {
563 +            t.join(timeoutMillis);
564 +        } catch (InterruptedException ie) {
565 +            threadUnexpectedException(ie);
566 +        } finally {
567 +            if (t.isAlive()) {
568 +                t.interrupt();
569 +                fail("Test timed out");
570 +            }
571 +        }
572 +    }
573 +
574      // Some convenient Runnable classes
575  
576      public abstract class CheckedRunnable implements Runnable {
# Line 576 | Line 647 | public class JSR166TestCase extends Test
647                  return realCall();
648              } catch (Throwable t) {
649                  threadUnexpectedException(t);
650 +                return null;
651              }
580            return null;
652          }
653      }
654  
655 <    public abstract class CheckedInterruptedCallable<T> implements Callable<T> {
655 >    public abstract class CheckedInterruptedCallable<T>
656 >        implements Callable<T> {
657          protected abstract T realCall() throws Throwable;
658  
659          public final T call() {
# Line 662 | Line 734 | public class JSR166TestCase extends Test
734          }
735      }
736  
665    public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
666        protected void realRun() throws InterruptedException {
667            Thread.sleep(SMALL_DELAY_MS);
668        }
669    }
670
737      public class MediumRunnable extends CheckedRunnable {
738          protected void realRun() throws Throwable {
739              Thread.sleep(MEDIUM_DELAY_MS);
# Line 753 | Line 819 | public class JSR166TestCase extends Test
819          }
820      }
821  
822 +    /**
823 +     * Analog of CheckedRunnable for RecursiveAction
824 +     */
825 +    public abstract class CheckedRecursiveAction extends RecursiveAction {
826 +        protected abstract void realCompute() throws Throwable;
827 +
828 +        public final void compute() {
829 +            try {
830 +                realCompute();
831 +            } catch (Throwable t) {
832 +                threadUnexpectedException(t);
833 +            }
834 +        }
835 +    }
836 +
837 +    /**
838 +     * Analog of CheckedCallable for RecursiveTask
839 +     */
840 +    public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
841 +        protected abstract T realCompute() throws Throwable;
842 +
843 +        public final T compute() {
844 +            try {
845 +                return realCompute();
846 +            } catch (Throwable t) {
847 +                threadUnexpectedException(t);
848 +                return null;
849 +            }
850 +        }
851 +    }
852  
853      /**
854       * For use as RejectedExecutionHandler in constructors

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