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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.227 by jsr166, Sun May 14 03:12:05 2017 UTC vs.
Revision 1.245 by jsr166, Sun Jul 22 21:19:14 2018 UTC

# Line 66 | Line 66 | import java.util.Arrays;
66   import java.util.Collection;
67   import java.util.Collections;
68   import java.util.Date;
69 + import java.util.Deque;
70   import java.util.Enumeration;
71 + import java.util.HashSet;
72   import java.util.Iterator;
73   import java.util.List;
74   import java.util.NoSuchElementException;
75   import java.util.PropertyPermission;
76 + import java.util.Set;
77   import java.util.concurrent.BlockingQueue;
78   import java.util.concurrent.Callable;
79   import java.util.concurrent.CountDownLatch;
80   import java.util.concurrent.CyclicBarrier;
81   import java.util.concurrent.ExecutionException;
82 + import java.util.concurrent.Executor;
83   import java.util.concurrent.Executors;
84   import java.util.concurrent.ExecutorService;
85   import java.util.concurrent.ForkJoinPool;
86   import java.util.concurrent.Future;
87 + import java.util.concurrent.FutureTask;
88   import java.util.concurrent.RecursiveAction;
89   import java.util.concurrent.RecursiveTask;
90 + import java.util.concurrent.RejectedExecutionException;
91   import java.util.concurrent.RejectedExecutionHandler;
92   import java.util.concurrent.Semaphore;
93 + import java.util.concurrent.ScheduledExecutorService;
94 + import java.util.concurrent.ScheduledFuture;
95   import java.util.concurrent.SynchronousQueue;
96   import java.util.concurrent.ThreadFactory;
97   import java.util.concurrent.ThreadLocalRandom;
98   import java.util.concurrent.ThreadPoolExecutor;
99 + import java.util.concurrent.TimeUnit;
100   import java.util.concurrent.TimeoutException;
101   import java.util.concurrent.atomic.AtomicBoolean;
102   import java.util.concurrent.atomic.AtomicReference;
103   import java.util.regex.Pattern;
104  
96 import junit.framework.AssertionFailedError;
105   import junit.framework.Test;
106   import junit.framework.TestCase;
107   import junit.framework.TestResult;
# Line 413 | Line 421 | public class JSR166TestCase extends Test
421          for (String testClassName : testClassNames) {
422              try {
423                  Class<?> testClass = Class.forName(testClassName);
424 <                Method m = testClass.getDeclaredMethod("suite",
417 <                                                       new Class<?>[0]);
424 >                Method m = testClass.getDeclaredMethod("suite");
425                  suite.addTest(newTestSuite((Test)m.invoke(null)));
426 <            } catch (Exception e) {
427 <                throw new Error("Missing test class", e);
426 >            } catch (ReflectiveOperationException e) {
427 >                throw new AssertionError("Missing test class", e);
428              }
429          }
430      }
# Line 439 | Line 446 | public class JSR166TestCase extends Test
446          }
447      }
448  
449 <    public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
450 <    public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
451 <    public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
452 <    public static boolean atLeastJava9() {
453 <        return JAVA_CLASS_VERSION >= 53.0
454 <            // As of 2015-09, java9 still uses 52.0 class file version
448 <            || JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
449 <    }
450 <    public static boolean atLeastJava10() {
451 <        return JAVA_CLASS_VERSION >= 54.0
452 <            || JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
453 <    }
449 >    public static boolean atLeastJava6()  { return JAVA_CLASS_VERSION >= 50.0; }
450 >    public static boolean atLeastJava7()  { return JAVA_CLASS_VERSION >= 51.0; }
451 >    public static boolean atLeastJava8()  { return JAVA_CLASS_VERSION >= 52.0; }
452 >    public static boolean atLeastJava9()  { return JAVA_CLASS_VERSION >= 53.0; }
453 >    public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; }
454 >    public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; }
455  
456      /**
457       * Collects all JSR166 unit tests as one suite.
# Line 538 | Line 539 | public class JSR166TestCase extends Test
539                  "DoubleAdderTest",
540                  "ForkJoinPool8Test",
541                  "ForkJoinTask8Test",
542 +                "HashMapTest",
543                  "LinkedBlockingDeque8Test",
544                  "LinkedBlockingQueue8Test",
545                  "LongAccumulatorTest",
# Line 600 | Line 602 | public class JSR166TestCase extends Test
602              for (String methodName : testMethodNames(testClass))
603                  suite.addTest((Test) c.newInstance(data, methodName));
604              return suite;
605 <        } catch (Exception e) {
606 <            throw new Error(e);
605 >        } catch (ReflectiveOperationException e) {
606 >            throw new AssertionError(e);
607          }
608      }
609  
# Line 617 | Line 619 | public class JSR166TestCase extends Test
619          if (atLeastJava8()) {
620              String name = testClass.getName();
621              String name8 = name.replaceAll("Test$", "8Test");
622 <            if (name.equals(name8)) throw new Error(name);
622 >            if (name.equals(name8)) throw new AssertionError(name);
623              try {
624                  return (Test)
625                      Class.forName(name8)
626 <                    .getMethod("testSuite", new Class[] { dataClass })
626 >                    .getMethod("testSuite", dataClass)
627                      .invoke(null, data);
628 <            } catch (Exception e) {
629 <                throw new Error(e);
628 >            } catch (ReflectiveOperationException e) {
629 >                throw new AssertionError(e);
630              }
631          } else {
632              return new TestSuite();
# Line 638 | Line 640 | public class JSR166TestCase extends Test
640      public static long MEDIUM_DELAY_MS;
641      public static long LONG_DELAY_MS;
642  
643 +    private static final long RANDOM_TIMEOUT;
644 +    private static final long RANDOM_EXPIRED_TIMEOUT;
645 +    private static final TimeUnit RANDOM_TIMEUNIT;
646 +    static {
647 +        ThreadLocalRandom rnd = ThreadLocalRandom.current();
648 +        long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
649 +        RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
650 +        RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
651 +        TimeUnit[] timeUnits = TimeUnit.values();
652 +        RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
653 +    }
654 +
655 +    /**
656 +     * Returns a timeout for use when any value at all will do.
657 +     */
658 +    static long randomTimeout() { return RANDOM_TIMEOUT; }
659 +
660 +    /**
661 +     * Returns a timeout that means "no waiting", i.e. not positive.
662 +     */
663 +    static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
664 +
665 +    /**
666 +     * Returns a random non-null TimeUnit.
667 +     */
668 +    static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
669 +
670      /**
671       * Returns the shortest timed delay. This can be scaled up for
672       * slow machines using the jsr166.delay.factor system property,
# Line 706 | Line 735 | public class JSR166TestCase extends Test
735          String msg = toString() + ": " + String.format(format, args);
736          System.err.println(msg);
737          dumpTestThreads();
738 <        throw new AssertionFailedError(msg);
738 >        throw new AssertionError(msg);
739      }
740  
741      /**
# Line 727 | Line 756 | public class JSR166TestCase extends Test
756                  throw (RuntimeException) t;
757              else if (t instanceof Exception)
758                  throw (Exception) t;
759 <            else {
760 <                AssertionFailedError afe =
732 <                    new AssertionFailedError(t.toString());
733 <                afe.initCause(t);
734 <                throw afe;
735 <            }
759 >            else
760 >                throw new AssertionError(t.toString(), t);
761          }
762  
763          if (Thread.interrupted())
# Line 766 | Line 791 | public class JSR166TestCase extends Test
791  
792      /**
793       * Just like fail(reason), but additionally recording (using
794 <     * threadRecordFailure) any AssertionFailedError thrown, so that
795 <     * the current testcase will fail.
794 >     * threadRecordFailure) any AssertionError thrown, so that the
795 >     * current testcase will fail.
796       */
797      public void threadFail(String reason) {
798          try {
799              fail(reason);
800 <        } catch (AssertionFailedError t) {
801 <            threadRecordFailure(t);
802 <            throw t;
800 >        } catch (AssertionError fail) {
801 >            threadRecordFailure(fail);
802 >            throw fail;
803          }
804      }
805  
806      /**
807       * Just like assertTrue(b), but additionally recording (using
808 <     * threadRecordFailure) any AssertionFailedError thrown, so that
809 <     * the current testcase will fail.
808 >     * threadRecordFailure) any AssertionError thrown, so that the
809 >     * current testcase will fail.
810       */
811      public void threadAssertTrue(boolean b) {
812          try {
813              assertTrue(b);
814 <        } catch (AssertionFailedError t) {
815 <            threadRecordFailure(t);
816 <            throw t;
814 >        } catch (AssertionError fail) {
815 >            threadRecordFailure(fail);
816 >            throw fail;
817          }
818      }
819  
820      /**
821       * Just like assertFalse(b), but additionally recording (using
822 <     * threadRecordFailure) any AssertionFailedError thrown, so that
823 <     * the current testcase will fail.
822 >     * threadRecordFailure) any AssertionError thrown, so that the
823 >     * current testcase will fail.
824       */
825      public void threadAssertFalse(boolean b) {
826          try {
827              assertFalse(b);
828 <        } catch (AssertionFailedError t) {
829 <            threadRecordFailure(t);
830 <            throw t;
828 >        } catch (AssertionError fail) {
829 >            threadRecordFailure(fail);
830 >            throw fail;
831          }
832      }
833  
834      /**
835       * Just like assertNull(x), but additionally recording (using
836 <     * threadRecordFailure) any AssertionFailedError thrown, so that
837 <     * the current testcase will fail.
836 >     * threadRecordFailure) any AssertionError thrown, so that the
837 >     * current testcase will fail.
838       */
839      public void threadAssertNull(Object x) {
840          try {
841              assertNull(x);
842 <        } catch (AssertionFailedError t) {
843 <            threadRecordFailure(t);
844 <            throw t;
842 >        } catch (AssertionError fail) {
843 >            threadRecordFailure(fail);
844 >            throw fail;
845          }
846      }
847  
848      /**
849       * Just like assertEquals(x, y), but additionally recording (using
850 <     * threadRecordFailure) any AssertionFailedError thrown, so that
851 <     * the current testcase will fail.
850 >     * threadRecordFailure) any AssertionError thrown, so that the
851 >     * current testcase will fail.
852       */
853      public void threadAssertEquals(long x, long y) {
854          try {
855              assertEquals(x, y);
856 <        } catch (AssertionFailedError t) {
857 <            threadRecordFailure(t);
858 <            throw t;
856 >        } catch (AssertionError fail) {
857 >            threadRecordFailure(fail);
858 >            throw fail;
859          }
860      }
861  
862      /**
863       * Just like assertEquals(x, y), but additionally recording (using
864 <     * threadRecordFailure) any AssertionFailedError thrown, so that
865 <     * the current testcase will fail.
864 >     * threadRecordFailure) any AssertionError thrown, so that the
865 >     * current testcase will fail.
866       */
867      public void threadAssertEquals(Object x, Object y) {
868          try {
869              assertEquals(x, y);
870 <        } catch (AssertionFailedError fail) {
870 >        } catch (AssertionError fail) {
871              threadRecordFailure(fail);
872              throw fail;
873          } catch (Throwable fail) {
# Line 852 | Line 877 | public class JSR166TestCase extends Test
877  
878      /**
879       * Just like assertSame(x, y), but additionally recording (using
880 <     * threadRecordFailure) any AssertionFailedError thrown, so that
881 <     * the current testcase will fail.
880 >     * threadRecordFailure) any AssertionError thrown, so that the
881 >     * current testcase will fail.
882       */
883      public void threadAssertSame(Object x, Object y) {
884          try {
885              assertSame(x, y);
886 <        } catch (AssertionFailedError fail) {
886 >        } catch (AssertionError fail) {
887              threadRecordFailure(fail);
888              throw fail;
889          }
# Line 880 | Line 905 | public class JSR166TestCase extends Test
905  
906      /**
907       * Records the given exception using {@link #threadRecordFailure},
908 <     * then rethrows the exception, wrapping it in an
909 <     * AssertionFailedError if necessary.
908 >     * then rethrows the exception, wrapping it in an AssertionError
909 >     * if necessary.
910       */
911      public void threadUnexpectedException(Throwable t) {
912          threadRecordFailure(t);
# Line 890 | Line 915 | public class JSR166TestCase extends Test
915              throw (RuntimeException) t;
916          else if (t instanceof Error)
917              throw (Error) t;
918 <        else {
919 <            AssertionFailedError afe =
895 <                new AssertionFailedError("unexpected exception: " + t);
896 <            afe.initCause(t);
897 <            throw afe;
898 <        }
918 >        else
919 >            throw new AssertionError("unexpected exception: " + t, t);
920      }
921  
922      /**
# Line 1066 | Line 1087 | public class JSR166TestCase extends Test
1087       * Checks that thread eventually enters the expected blocked thread state.
1088       */
1089      void assertThreadBlocks(Thread thread, Thread.State expected) {
1090 <        // always sleep at least 1 ms, avoiding transitional states
1091 <        // with high probability
1090 >        // always sleep at least 1 ms, with high probability avoiding
1091 >        // transitory states
1092          for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1093              try { delay(1); }
1094              catch (InterruptedException fail) {
1095 <                fail("Unexpected InterruptedException");
1095 >                throw new AssertionError("Unexpected InterruptedException", fail);
1096              }
1097              Thread.State s = thread.getState();
1098              if (s == expected)
# Line 1083 | Line 1104 | public class JSR166TestCase extends Test
1104      }
1105  
1106      /**
1086     * Checks that thread does not terminate within the default
1087     * millisecond delay of {@code timeoutMillis()}.
1088     */
1089    void assertThreadStaysAlive(Thread thread) {
1090        assertThreadStaysAlive(thread, timeoutMillis());
1091    }
1092
1093    /**
1094     * Checks that thread does not terminate within the given millisecond delay.
1095     */
1096    void assertThreadStaysAlive(Thread thread, long millis) {
1097        try {
1098            // No need to optimize the failing case via Thread.join.
1099            delay(millis);
1100            assertTrue(thread.isAlive());
1101        } catch (InterruptedException fail) {
1102            threadFail("Unexpected InterruptedException");
1103        }
1104    }
1105
1106    /**
1107       * Checks that future.get times out, with the default timeout of
1108       * {@code timeoutMillis()}.
1109       */
# Line 1278 | Line 1278 | public class JSR166TestCase extends Test
1278  
1279      /**
1280       * Sleeps until the given time has elapsed.
1281 <     * Throws AssertionFailedError if interrupted.
1281 >     * Throws AssertionError if interrupted.
1282       */
1283      static void sleep(long millis) {
1284          try {
1285              delay(millis);
1286          } catch (InterruptedException fail) {
1287 <            AssertionFailedError afe =
1288 <                new AssertionFailedError("Unexpected InterruptedException");
1289 <            afe.initCause(fail);
1290 <            throw afe;
1287 >            throw new AssertionError("Unexpected InterruptedException", fail);
1288          }
1289      }
1290  
# Line 1378 | Line 1375 | public class JSR166TestCase extends Test
1375   //             r.run();
1376   //         } catch (Throwable fail) { threadUnexpectedException(fail); }
1377   //         if (millisElapsedSince(startTime) > timeoutMillis/2)
1378 < //             throw new AssertionFailedError("did not return promptly");
1378 > //             throw new AssertionError("did not return promptly");
1379   //     }
1380  
1381   //     void assertTerminatesPromptly(Runnable r) {
# Line 1391 | Line 1388 | public class JSR166TestCase extends Test
1388       */
1389      <T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1390          long startTime = System.nanoTime();
1391 +        T actual = null;
1392          try {
1393 <            assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1393 >            actual = f.get(timeoutMillis, MILLISECONDS);
1394          } catch (Throwable fail) { threadUnexpectedException(fail); }
1395 +        assertEquals(expectedValue, actual);
1396          if (millisElapsedSince(startTime) > timeoutMillis/2)
1397 <            throw new AssertionFailedError("timed get did not return promptly");
1397 >            throw new AssertionError("timed get did not return promptly");
1398      }
1399  
1400      <T> void checkTimedGet(Future<T> f, T expectedValue) {
# Line 1453 | Line 1452 | public class JSR166TestCase extends Test
1452          }
1453      }
1454  
1456    public abstract class RunnableShouldThrow implements Runnable {
1457        protected abstract void realRun() throws Throwable;
1458
1459        final Class<?> exceptionClass;
1460
1461        <T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
1462            this.exceptionClass = exceptionClass;
1463        }
1464
1465        public final void run() {
1466            try {
1467                realRun();
1468                threadShouldThrow(exceptionClass.getSimpleName());
1469            } catch (Throwable t) {
1470                if (! exceptionClass.isInstance(t))
1471                    threadUnexpectedException(t);
1472            }
1473        }
1474    }
1475
1455      public abstract class ThreadShouldThrow extends Thread {
1456          protected abstract void realRun() throws Throwable;
1457  
# Line 1637 | Line 1616 | public class JSR166TestCase extends Test
1616   //         long startTime = System.nanoTime();
1617   //         while (!flag.get()) {
1618   //             if (millisElapsedSince(startTime) > timeoutMillis)
1619 < //                 throw new AssertionFailedError("timed out");
1619 > //                 throw new AssertionError("timed out");
1620   //             Thread.yield();
1621   //         }
1622   //     }
# Line 1646 | Line 1625 | public class JSR166TestCase extends Test
1625          public String call() { throw new NullPointerException(); }
1626      }
1627  
1649    public static class CallableOne implements Callable<Integer> {
1650        public Integer call() { return one; }
1651    }
1652
1653    public class ShortRunnable extends CheckedRunnable {
1654        protected void realRun() throws Throwable {
1655            delay(SHORT_DELAY_MS);
1656        }
1657    }
1658
1659    public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1660        protected void realRun() throws InterruptedException {
1661            delay(SHORT_DELAY_MS);
1662        }
1663    }
1664
1665    public class SmallRunnable extends CheckedRunnable {
1666        protected void realRun() throws Throwable {
1667            delay(SMALL_DELAY_MS);
1668        }
1669    }
1670
1628      public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1629          protected void realRun() {
1630              try {
# Line 1676 | Line 1633 | public class JSR166TestCase extends Test
1633          }
1634      }
1635  
1679    public class SmallCallable extends CheckedCallable {
1680        protected Object realCall() throws InterruptedException {
1681            delay(SMALL_DELAY_MS);
1682            return Boolean.TRUE;
1683        }
1684    }
1685
1686    public class MediumRunnable extends CheckedRunnable {
1687        protected void realRun() throws Throwable {
1688            delay(MEDIUM_DELAY_MS);
1689        }
1690    }
1691
1692    public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1693        protected void realRun() throws InterruptedException {
1694            delay(MEDIUM_DELAY_MS);
1695        }
1696    }
1697
1636      public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1637          return new CheckedRunnable() {
1638              protected void realRun() {
# Line 1704 | Line 1642 | public class JSR166TestCase extends Test
1642              }};
1643      }
1644  
1707    public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1708        protected void realRun() {
1709            try {
1710                delay(MEDIUM_DELAY_MS);
1711            } catch (InterruptedException ok) {}
1712        }
1713    }
1714
1715    public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1716        protected void realRun() {
1717            try {
1718                delay(LONG_DELAY_MS);
1719            } catch (InterruptedException ok) {}
1720        }
1721    }
1722
1645      /**
1646       * For use as ThreadFactory in constructors
1647       */
# Line 1733 | Line 1655 | public class JSR166TestCase extends Test
1655          boolean isDone();
1656      }
1657  
1736    public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1737        return new TrackedRunnable() {
1738                private volatile boolean done = false;
1739                public boolean isDone() { return done; }
1740                public void run() {
1741                    try {
1742                        delay(timeoutMillis);
1743                        done = true;
1744                    } catch (InterruptedException ok) {}
1745                }
1746            };
1747    }
1748
1749    public static class TrackedShortRunnable implements Runnable {
1750        public volatile boolean done = false;
1751        public void run() {
1752            try {
1753                delay(SHORT_DELAY_MS);
1754                done = true;
1755            } catch (InterruptedException ok) {}
1756        }
1757    }
1758
1759    public static class TrackedSmallRunnable implements Runnable {
1760        public volatile boolean done = false;
1761        public void run() {
1762            try {
1763                delay(SMALL_DELAY_MS);
1764                done = true;
1765            } catch (InterruptedException ok) {}
1766        }
1767    }
1768
1769    public static class TrackedMediumRunnable implements Runnable {
1770        public volatile boolean done = false;
1771        public void run() {
1772            try {
1773                delay(MEDIUM_DELAY_MS);
1774                done = true;
1775            } catch (InterruptedException ok) {}
1776        }
1777    }
1778
1779    public static class TrackedLongRunnable implements Runnable {
1780        public volatile boolean done = false;
1781        public void run() {
1782            try {
1783                delay(LONG_DELAY_MS);
1784                done = true;
1785            } catch (InterruptedException ok) {}
1786        }
1787    }
1788
1658      public static class TrackedNoOpRunnable implements Runnable {
1659          public volatile boolean done = false;
1660          public void run() {
# Line 1793 | Line 1662 | public class JSR166TestCase extends Test
1662          }
1663      }
1664  
1796    public static class TrackedCallable implements Callable {
1797        public volatile boolean done = false;
1798        public Object call() {
1799            try {
1800                delay(SMALL_DELAY_MS);
1801                done = true;
1802            } catch (InterruptedException ok) {}
1803            return Boolean.TRUE;
1804        }
1805    }
1806
1665      /**
1666       * Analog of CheckedRunnable for RecursiveAction
1667       */
# Line 1845 | Line 1703 | public class JSR166TestCase extends Test
1703  
1704      /**
1705       * A CyclicBarrier that uses timed await and fails with
1706 <     * AssertionFailedErrors instead of throwing checked exceptions.
1706 >     * AssertionErrors instead of throwing checked exceptions.
1707       */
1708      public static class CheckedBarrier extends CyclicBarrier {
1709          public CheckedBarrier(int parties) { super(parties); }
# Line 1854 | Line 1712 | public class JSR166TestCase extends Test
1712              try {
1713                  return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1714              } catch (TimeoutException timedOut) {
1715 <                throw new AssertionFailedError("timed out");
1715 >                throw new AssertionError("timed out");
1716              } catch (Exception fail) {
1717 <                AssertionFailedError afe =
1860 <                    new AssertionFailedError("Unexpected exception: " + fail);
1861 <                afe.initCause(fail);
1862 <                throw afe;
1717 >                throw new AssertionError("Unexpected exception: " + fail, fail);
1718              }
1719          }
1720      }
# Line 1870 | Line 1725 | public class JSR166TestCase extends Test
1725              assertEquals(0, q.size());
1726              assertNull(q.peek());
1727              assertNull(q.poll());
1728 <            assertNull(q.poll(0, MILLISECONDS));
1728 >            assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1729              assertEquals(q.toString(), "[]");
1730              assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1731              assertFalse(q.iterator().hasNext());
# Line 1982 | Line 1837 | public class JSR166TestCase extends Test
1837              try { throwingAction.run(); }
1838              catch (Throwable t) {
1839                  threw = true;
1840 <                if (!expectedExceptionClass.isInstance(t)) {
1841 <                    AssertionFailedError afe =
1842 <                        new AssertionFailedError
1843 <                        ("Expected " + expectedExceptionClass.getName() +
1844 <                         ", got " + t.getClass().getName());
1990 <                    afe.initCause(t);
1991 <                    threadUnexpectedException(afe);
1992 <                }
1840 >                if (!expectedExceptionClass.isInstance(t))
1841 >                    throw new AssertionError(
1842 >                            "Expected " + expectedExceptionClass.getName() +
1843 >                            ", got " + t.getClass().getName(),
1844 >                            t);
1845              }
1846              if (!threw)
1847                  shouldThrow(expectedExceptionClass.getName());
# Line 2021 | Line 1873 | public class JSR166TestCase extends Test
1873      static <T> void shuffle(T[] array) {
1874          Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1875      }
1876 +
1877 +    /**
1878 +     * Returns the same String as would be returned by {@link
1879 +     * Object#toString}, whether or not the given object's class
1880 +     * overrides toString().
1881 +     *
1882 +     * @see System#identityHashCode
1883 +     */
1884 +    static String identityString(Object x) {
1885 +        return x.getClass().getName()
1886 +            + "@" + Integer.toHexString(System.identityHashCode(x));
1887 +    }
1888 +
1889 +    // --- Shared assertions for Executor tests ---
1890 +
1891 +    /**
1892 +     * Returns maximum number of tasks that can be submitted to given
1893 +     * pool (with bounded queue) before saturation (when submission
1894 +     * throws RejectedExecutionException).
1895 +     */
1896 +    static final int saturatedSize(ThreadPoolExecutor pool) {
1897 +        BlockingQueue<Runnable> q = pool.getQueue();
1898 +        return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1899 +    }
1900 +
1901 +    @SuppressWarnings("FutureReturnValueIgnored")
1902 +    void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1903 +        try {
1904 +            e.execute((Runnable) null);
1905 +            shouldThrow();
1906 +        } catch (NullPointerException success) {}
1907 +
1908 +        if (! (e instanceof ExecutorService)) return;
1909 +        ExecutorService es = (ExecutorService) e;
1910 +        try {
1911 +            es.submit((Runnable) null);
1912 +            shouldThrow();
1913 +        } catch (NullPointerException success) {}
1914 +        try {
1915 +            es.submit((Runnable) null, Boolean.TRUE);
1916 +            shouldThrow();
1917 +        } catch (NullPointerException success) {}
1918 +        try {
1919 +            es.submit((Callable) null);
1920 +            shouldThrow();
1921 +        } catch (NullPointerException success) {}
1922 +
1923 +        if (! (e instanceof ScheduledExecutorService)) return;
1924 +        ScheduledExecutorService ses = (ScheduledExecutorService) e;
1925 +        try {
1926 +            ses.schedule((Runnable) null,
1927 +                         randomTimeout(), randomTimeUnit());
1928 +            shouldThrow();
1929 +        } catch (NullPointerException success) {}
1930 +        try {
1931 +            ses.schedule((Callable) null,
1932 +                         randomTimeout(), randomTimeUnit());
1933 +            shouldThrow();
1934 +        } catch (NullPointerException success) {}
1935 +        try {
1936 +            ses.scheduleAtFixedRate((Runnable) null,
1937 +                                    randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1938 +            shouldThrow();
1939 +        } catch (NullPointerException success) {}
1940 +        try {
1941 +            ses.scheduleWithFixedDelay((Runnable) null,
1942 +                                       randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1943 +            shouldThrow();
1944 +        } catch (NullPointerException success) {}
1945 +    }
1946 +
1947 +    void setRejectedExecutionHandler(
1948 +        ThreadPoolExecutor p, RejectedExecutionHandler handler) {
1949 +        p.setRejectedExecutionHandler(handler);
1950 +        assertSame(handler, p.getRejectedExecutionHandler());
1951 +    }
1952 +
1953 +    void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
1954 +        final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
1955 +        final long savedTaskCount = p.getTaskCount();
1956 +        final long savedCompletedTaskCount = p.getCompletedTaskCount();
1957 +        final int savedQueueSize = p.getQueue().size();
1958 +        final boolean stock = (p.getClass().getClassLoader() == null);
1959 +
1960 +        Runnable r = () -> {};
1961 +        Callable<Boolean> c = () -> Boolean.TRUE;
1962 +
1963 +        class Recorder implements RejectedExecutionHandler {
1964 +            public volatile Runnable r = null;
1965 +            public volatile ThreadPoolExecutor p = null;
1966 +            public void reset() { r = null; p = null; }
1967 +            public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
1968 +                assertNull(this.r);
1969 +                assertNull(this.p);
1970 +                this.r = r;
1971 +                this.p = p;
1972 +            }
1973 +        }
1974 +
1975 +        // check custom handler is invoked exactly once per task
1976 +        Recorder recorder = new Recorder();
1977 +        setRejectedExecutionHandler(p, recorder);
1978 +        for (int i = 2; i--> 0; ) {
1979 +            recorder.reset();
1980 +            p.execute(r);
1981 +            if (stock && p.getClass() == ThreadPoolExecutor.class)
1982 +                assertSame(r, recorder.r);
1983 +            assertSame(p, recorder.p);
1984 +
1985 +            recorder.reset();
1986 +            assertFalse(p.submit(r).isDone());
1987 +            if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1988 +            assertSame(p, recorder.p);
1989 +
1990 +            recorder.reset();
1991 +            assertFalse(p.submit(r, Boolean.TRUE).isDone());
1992 +            if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1993 +            assertSame(p, recorder.p);
1994 +
1995 +            recorder.reset();
1996 +            assertFalse(p.submit(c).isDone());
1997 +            if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1998 +            assertSame(p, recorder.p);
1999 +
2000 +            if (p instanceof ScheduledExecutorService) {
2001 +                ScheduledExecutorService s = (ScheduledExecutorService) p;
2002 +                ScheduledFuture<?> future;
2003 +
2004 +                recorder.reset();
2005 +                future = s.schedule(r, randomTimeout(), randomTimeUnit());
2006 +                assertFalse(future.isDone());
2007 +                if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2008 +                assertSame(p, recorder.p);
2009 +
2010 +                recorder.reset();
2011 +                future = s.schedule(c, randomTimeout(), randomTimeUnit());
2012 +                assertFalse(future.isDone());
2013 +                if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2014 +                assertSame(p, recorder.p);
2015 +
2016 +                recorder.reset();
2017 +                future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2018 +                assertFalse(future.isDone());
2019 +                if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2020 +                assertSame(p, recorder.p);
2021 +
2022 +                recorder.reset();
2023 +                future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2024 +                assertFalse(future.isDone());
2025 +                if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2026 +                assertSame(p, recorder.p);
2027 +            }
2028 +        }
2029 +
2030 +        // Checking our custom handler above should be sufficient, but
2031 +        // we add some integration tests of standard handlers.
2032 +        final AtomicReference<Thread> thread = new AtomicReference<>();
2033 +        final Runnable setThread = () -> thread.set(Thread.currentThread());
2034 +
2035 +        setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2036 +        try {
2037 +            p.execute(setThread);
2038 +            shouldThrow();
2039 +        } catch (RejectedExecutionException success) {}
2040 +        assertNull(thread.get());
2041 +
2042 +        setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2043 +        p.execute(setThread);
2044 +        assertNull(thread.get());
2045 +
2046 +        setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2047 +        p.execute(setThread);
2048 +        if (p.isShutdown())
2049 +            assertNull(thread.get());
2050 +        else
2051 +            assertSame(Thread.currentThread(), thread.get());
2052 +
2053 +        setRejectedExecutionHandler(p, savedHandler);
2054 +
2055 +        // check that pool was not perturbed by handlers
2056 +        assertEquals(savedTaskCount, p.getTaskCount());
2057 +        assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2058 +        assertEquals(savedQueueSize, p.getQueue().size());
2059 +    }
2060 +
2061 +    void assertCollectionsEquals(Collection<?> x, Collection<?> y) {
2062 +        assertEquals(x, y);
2063 +        assertEquals(y, x);
2064 +        assertEquals(x.isEmpty(), y.isEmpty());
2065 +        assertEquals(x.size(), y.size());
2066 +        if (x instanceof List) {
2067 +            assertEquals(x.toString(), y.toString());
2068 +        }
2069 +        if (x instanceof List || x instanceof Set) {
2070 +            assertEquals(x.hashCode(), y.hashCode());
2071 +        }
2072 +        if (x instanceof List || x instanceof Deque) {
2073 +            assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2074 +            assertTrue(Arrays.equals(x.toArray(new Object[0]),
2075 +                                     y.toArray(new Object[0])));
2076 +        }
2077 +    }
2078 +
2079 +    /**
2080 +     * A weaker form of assertCollectionsEquals which does not insist
2081 +     * that the two collections satisfy Object#equals(Object), since
2082 +     * they may use identity semantics as Deques do.
2083 +     */
2084 +    void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) {
2085 +        if (x instanceof List || x instanceof Set)
2086 +            assertCollectionsEquals(x, y);
2087 +        else {
2088 +            assertEquals(x.isEmpty(), y.isEmpty());
2089 +            assertEquals(x.size(), y.size());
2090 +            assertEquals(new HashSet(x), new HashSet(y));
2091 +            if (x instanceof Deque) {
2092 +                assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2093 +                assertTrue(Arrays.equals(x.toArray(new Object[0]),
2094 +                                         y.toArray(new Object[0])));
2095 +            }
2096 +        }
2097 +    }
2098   }

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