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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.178 by jsr166, Fri Oct 23 17:34:47 2015 UTC vs.
Revision 1.208 by jsr166, Sat Nov 5 16:09:50 2016 UTC

# Line 6 | Line 6
6   * Pat Fisher, Mike Judd.
7   */
8  
9 + /*
10 + * @test
11 + * @summary JSR-166 tck tests
12 + * @modules java.management
13 + * @build *
14 + * @run junit/othervm/timeout=1000 -Djsr166.testImplementationDetails=true JSR166TestCase
15 + * @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 -Djsr166.testImplementationDetails=true JSR166TestCase
16 + * @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 -Djava.util.secureRandomSeed=true JSR166TestCase
17 + */
18 +
19   import static java.util.concurrent.TimeUnit.MILLISECONDS;
20   import static java.util.concurrent.TimeUnit.MINUTES;
21   import static java.util.concurrent.TimeUnit.NANOSECONDS;
# Line 31 | Line 41 | import java.security.ProtectionDomain;
41   import java.security.SecurityPermission;
42   import java.util.ArrayList;
43   import java.util.Arrays;
44 + import java.util.Collection;
45 + import java.util.Collections;
46   import java.util.Date;
47   import java.util.Enumeration;
48   import java.util.Iterator;
# Line 50 | Line 62 | import java.util.concurrent.RecursiveAct
62   import java.util.concurrent.RecursiveTask;
63   import java.util.concurrent.RejectedExecutionHandler;
64   import java.util.concurrent.Semaphore;
65 + import java.util.concurrent.SynchronousQueue;
66   import java.util.concurrent.ThreadFactory;
67 + import java.util.concurrent.ThreadLocalRandom;
68   import java.util.concurrent.ThreadPoolExecutor;
69   import java.util.concurrent.TimeoutException;
70 + import java.util.concurrent.atomic.AtomicBoolean;
71   import java.util.concurrent.atomic.AtomicReference;
72   import java.util.regex.Matcher;
73   import java.util.regex.Pattern;
# Line 112 | Line 127 | import junit.framework.TestSuite;
127   * methods as there are exceptions the method can throw. Sometimes
128   * there are multiple tests per JSR166 method when the different
129   * "normal" behaviors differ significantly. And sometimes testcases
130 < * cover multiple methods when they cannot be tested in
116 < * isolation.
130 > * cover multiple methods when they cannot be tested in isolation.
131   *
132   * <li>The documentation style for testcases is to provide as javadoc
133   * a simple sentence or two describing the property that the testcase
# Line 176 | Line 190 | public class JSR166TestCase extends Test
190      private static final int suiteRuns =
191          Integer.getInteger("jsr166.suiteRuns", 1);
192  
193 +    /**
194 +     * Returns the value of the system property, or NaN if not defined.
195 +     */
196 +    private static float systemPropertyValue(String name) {
197 +        String floatString = System.getProperty(name);
198 +        if (floatString == null)
199 +            return Float.NaN;
200 +        try {
201 +            return Float.parseFloat(floatString);
202 +        } catch (NumberFormatException ex) {
203 +            throw new IllegalArgumentException(
204 +                String.format("Bad float value in system property %s=%s",
205 +                              name, floatString));
206 +        }
207 +    }
208 +
209 +    /**
210 +     * The scaling factor to apply to standard delays used in tests.
211 +     * May be initialized from any of:
212 +     * - the "jsr166.delay.factor" system property
213 +     * - the "test.timeout.factor" system property (as used by jtreg)
214 +     *   See: http://openjdk.java.net/jtreg/tag-spec.html
215 +     * - hard-coded fuzz factor when using a known slowpoke VM
216 +     */
217 +    private static final float delayFactor = delayFactor();
218 +
219 +    private static float delayFactor() {
220 +        float x;
221 +        if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
222 +            return x;
223 +        if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
224 +            return x;
225 +        String prop = System.getProperty("java.vm.version");
226 +        if (prop != null && prop.matches(".*debug.*"))
227 +            return 4.0f; // How much slower is fastdebug than product?!
228 +        return 1.0f;
229 +    }
230 +
231      public JSR166TestCase() { super(); }
232      public JSR166TestCase(String name) { super(name); }
233  
# Line 277 | Line 329 | public class JSR166TestCase extends Test
329          PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
330          long runTime;
331          public void startTest(Test test) {}
332 <        protected void printHeader(long runTime) {
332 >        protected void printHeader(long runTime) {
333              this.runTime = runTime; // defer printing for later
334 <        }
335 <        protected void printFooter(TestResult result) {
334 >        }
335 >        protected void printFooter(TestResult result) {
336              if (result.wasSuccessful()) {
337                  getWriter().println("OK (" + result.runCount() + " tests)"
338                      + "  Time: " + elapsedTimeAsString(runTime));
# Line 396 | Line 448 | public class JSR166TestCase extends Test
448              AbstractQueuedLongSynchronizerTest.suite(),
449              ArrayBlockingQueueTest.suite(),
450              ArrayDequeTest.suite(),
451 +            ArrayListTest.suite(),
452              AtomicBooleanTest.suite(),
453              AtomicIntegerArrayTest.suite(),
454              AtomicIntegerFieldUpdaterTest.suite(),
# Line 418 | Line 471 | public class JSR166TestCase extends Test
471              CopyOnWriteArrayListTest.suite(),
472              CopyOnWriteArraySetTest.suite(),
473              CountDownLatchTest.suite(),
474 +            CountedCompleterTest.suite(),
475              CyclicBarrierTest.suite(),
476              DelayQueueTest.suite(),
477              EntryTest.suite(),
# Line 446 | Line 500 | public class JSR166TestCase extends Test
500              TreeMapTest.suite(),
501              TreeSetTest.suite(),
502              TreeSubMapTest.suite(),
503 <            TreeSubSetTest.suite());
503 >            TreeSubSetTest.suite(),
504 >            VectorTest.suite());
505  
506          // Java8+ test classes
507          if (atLeastJava8()) {
508              String[] java8TestClassNames = {
509 +                "ArrayDeque8Test",
510                  "Atomic8Test",
511                  "CompletableFutureTest",
512                  "ConcurrentHashMap8Test",
513 <                "CountedCompleterTest",
513 >                "CountedCompleter8Test",
514                  "DoubleAccumulatorTest",
515                  "DoubleAdderTest",
516                  "ForkJoinPool8Test",
# Line 465 | Line 521 | public class JSR166TestCase extends Test
521                  "StampedLockTest",
522                  "SubmissionPublisherTest",
523                  "ThreadLocalRandom8Test",
524 +                "TimeUnit8Test",
525              };
526              addNamedTestClasses(suite, java8TestClassNames);
527          }
# Line 472 | Line 529 | public class JSR166TestCase extends Test
529          // Java9+ test classes
530          if (atLeastJava9()) {
531              String[] java9TestClassNames = {
532 <                // Currently empty, but expecting varhandle tests
532 >                "AtomicBoolean9Test",
533 >                "AtomicInteger9Test",
534 >                "AtomicIntegerArray9Test",
535 >                "AtomicLong9Test",
536 >                "AtomicLongArray9Test",
537 >                "AtomicReference9Test",
538 >                "AtomicReferenceArray9Test",
539 >                "ExecutorCompletionService9Test",
540              };
541              addNamedTestClasses(suite, java9TestClassNames);
542          }
# Line 549 | Line 613 | public class JSR166TestCase extends Test
613      public static long LONG_DELAY_MS;
614  
615      /**
616 <     * Returns the shortest timed delay. This could
617 <     * be reimplemented to use for example a Property.
616 >     * Returns the shortest timed delay. This can be scaled up for
617 >     * slow machines using the jsr166.delay.factor system property,
618 >     * or via jtreg's -timeoutFactor: flag.
619 >     * http://openjdk.java.net/jtreg/command-help.html
620       */
621      protected long getShortDelay() {
622 <        return 50;
622 >        return (long) (50 * delayFactor);
623      }
624  
625      /**
# Line 866 | Line 932 | public class JSR166TestCase extends Test
932          }};
933      }
934  
935 +    PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
936 +        return new PoolCleanerWithReleaser(pool, releaser(flag));
937 +    }
938 +
939 +    Runnable releaser(final AtomicBoolean flag) {
940 +        return new Runnable() { public void run() { flag.set(true); }};
941 +    }
942 +
943      /**
944       * Waits out termination of a thread pool or fails doing so.
945       */
# Line 889 | Line 963 | public class JSR166TestCase extends Test
963          }
964      }
965  
966 <    /** Like Runnable, but with the freedom to throw anything */
966 >    /**
967 >     * Like Runnable, but with the freedom to throw anything.
968 >     * junit folks had the same idea:
969 >     * http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
970 >     */
971      interface Action { public void run() throws Throwable; }
972  
973      /**
# Line 920 | Line 998 | public class JSR166TestCase extends Test
998       * Uninteresting threads are filtered out.
999       */
1000      static void dumpTestThreads() {
1001 +        SecurityManager sm = System.getSecurityManager();
1002 +        if (sm != null) {
1003 +            try {
1004 +                System.setSecurityManager(null);
1005 +            } catch (SecurityException giveUp) {
1006 +                return;
1007 +            }
1008 +        }
1009 +
1010          ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1011          System.err.println("------ stacktrace dump start ------");
1012          for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1013 <            String name = info.getThreadName();
1013 >            final String name = info.getThreadName();
1014 >            String lockName;
1015              if ("Signal Dispatcher".equals(name))
1016                  continue;
1017              if ("Reference Handler".equals(name)
1018 <                && info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
1018 >                && (lockName = info.getLockName()) != null
1019 >                && lockName.startsWith("java.lang.ref.Reference$Lock"))
1020                  continue;
1021              if ("Finalizer".equals(name)
1022 <                && info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
1022 >                && (lockName = info.getLockName()) != null
1023 >                && lockName.startsWith("java.lang.ref.ReferenceQueue$Lock"))
1024                  continue;
1025              if ("checkForWedgedTest".equals(name))
1026                  continue;
1027              System.err.print(info);
1028          }
1029          System.err.println("------ stacktrace dump end ------");
1030 +
1031 +        if (sm != null) System.setSecurityManager(sm);
1032      }
1033  
1034      /**
# Line 1153 | Line 1245 | public class JSR166TestCase extends Test
1245       * Sleeps until the given time has elapsed.
1246       * Throws AssertionFailedError if interrupted.
1247       */
1248 <    void sleep(long millis) {
1248 >    static void sleep(long millis) {
1249          try {
1250              delay(millis);
1251          } catch (InterruptedException fail) {
# Line 1169 | Line 1261 | public class JSR166TestCase extends Test
1261       * thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1262       */
1263      void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1264 <        long startTime = System.nanoTime();
1264 >        long startTime = 0L;
1265          for (;;) {
1266              Thread.State s = thread.getState();
1267              if (s == Thread.State.BLOCKED ||
# Line 1178 | Line 1270 | public class JSR166TestCase extends Test
1270                  return;
1271              else if (s == Thread.State.TERMINATED)
1272                  fail("Unexpected thread termination");
1273 +            else if (startTime == 0L)
1274 +                startTime = System.nanoTime();
1275              else if (millisElapsedSince(startTime) > timeoutMillis) {
1276                  threadAssertTrue(thread.isAlive());
1277                  return;
# Line 1422 | Line 1516 | public class JSR166TestCase extends Test
1516          return new LatchAwaiter(latch);
1517      }
1518  
1519 <    public void await(CountDownLatch latch) {
1519 >    public void await(CountDownLatch latch, long timeoutMillis) {
1520          try {
1521 <            if (!latch.await(LONG_DELAY_MS, MILLISECONDS))
1521 >            if (!latch.await(timeoutMillis, MILLISECONDS))
1522                  fail("timed out waiting for CountDownLatch for "
1523 <                     + (LONG_DELAY_MS/1000) + " sec");
1523 >                     + (timeoutMillis/1000) + " sec");
1524          } catch (Throwable fail) {
1525              threadUnexpectedException(fail);
1526          }
1527      }
1528  
1529 +    public void await(CountDownLatch latch) {
1530 +        await(latch, LONG_DELAY_MS);
1531 +    }
1532 +
1533      public void await(Semaphore semaphore) {
1534          try {
1535              if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
# Line 1666 | Line 1764 | public class JSR166TestCase extends Test
1764       * A CyclicBarrier that uses timed await and fails with
1765       * AssertionFailedErrors instead of throwing checked exceptions.
1766       */
1767 <    public class CheckedBarrier extends CyclicBarrier {
1767 >    public static class CheckedBarrier extends CyclicBarrier {
1768          public CheckedBarrier(int parties) { super(parties); }
1769  
1770          public int await() {
# Line 1730 | Line 1828 | public class JSR166TestCase extends Test
1828          }
1829      }
1830  
1831 +    void assertImmutable(Object o) {
1832 +        if (o instanceof Collection) {
1833 +            assertThrows(
1834 +                UnsupportedOperationException.class,
1835 +                new Runnable() { public void run() {
1836 +                        ((Collection) o).add(null);}});
1837 +        }
1838 +    }
1839 +    
1840      @SuppressWarnings("unchecked")
1841      <T> T serialClone(T o) {
1842          try {
1843              ObjectInputStream ois = new ObjectInputStream
1844                  (new ByteArrayInputStream(serialBytes(o)));
1845              T clone = (T) ois.readObject();
1846 +            if (o == clone) assertImmutable(o);
1847              assertSame(o.getClass(), clone.getClass());
1848              return clone;
1849          } catch (Throwable fail) {
# Line 1744 | Line 1852 | public class JSR166TestCase extends Test
1852          }
1853      }
1854  
1855 +    /**
1856 +     * If o implements Cloneable and has a public clone method,
1857 +     * returns a clone of o, else null.
1858 +     */
1859 +    @SuppressWarnings("unchecked")
1860 +    <T> T cloneableClone(T o) {
1861 +        if (!(o instanceof Cloneable)) return null;
1862 +        final T clone;
1863 +        try {
1864 +            clone = (T) o.getClass().getMethod("clone").invoke(o);
1865 +        } catch (NoSuchMethodException ok) {
1866 +            return null;
1867 +        } catch (ReflectiveOperationException unexpected) {
1868 +            throw new Error(unexpected);
1869 +        }
1870 +        assertNotSame(o, clone); // not 100% guaranteed by spec
1871 +        assertSame(o.getClass(), clone.getClass());
1872 +        return clone;
1873 +    }
1874 +
1875      public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1876                               Runnable... throwingActions) {
1877          for (Runnable throwingAction : throwingActions) {
# Line 1772 | Line 1900 | public class JSR166TestCase extends Test
1900          } catch (NoSuchElementException success) {}
1901          assertFalse(it.hasNext());
1902      }
1903 +
1904 +    public <T> Callable<T> callableThrowing(final Exception ex) {
1905 +        return new Callable<T>() { public T call() throws Exception { throw ex; }};
1906 +    }
1907 +
1908 +    public Runnable runnableThrowing(final RuntimeException ex) {
1909 +        return new Runnable() { public void run() { throw ex; }};
1910 +    }
1911 +
1912 +    /** A reusable thread pool to be shared by tests. */
1913 +    static final ExecutorService cachedThreadPool =
1914 +        new ThreadPoolExecutor(0, Integer.MAX_VALUE,
1915 +                               1000L, MILLISECONDS,
1916 +                               new SynchronousQueue<Runnable>());
1917 +
1918 +    static <T> void shuffle(T[] array) {
1919 +        Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1920 +    }
1921   }

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