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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 1.200 by jsr166, Wed Aug 10 01:28:14 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.Collections;
45   import java.util.Date;
46   import java.util.Enumeration;
47   import java.util.Iterator;
# Line 50 | Line 61 | import java.util.concurrent.RecursiveAct
61   import java.util.concurrent.RecursiveTask;
62   import java.util.concurrent.RejectedExecutionHandler;
63   import java.util.concurrent.Semaphore;
64 + import java.util.concurrent.SynchronousQueue;
65   import java.util.concurrent.ThreadFactory;
66 + import java.util.concurrent.ThreadLocalRandom;
67   import java.util.concurrent.ThreadPoolExecutor;
68   import java.util.concurrent.TimeoutException;
69 + import java.util.concurrent.atomic.AtomicBoolean;
70   import java.util.concurrent.atomic.AtomicReference;
71   import java.util.regex.Matcher;
72   import java.util.regex.Pattern;
# Line 112 | Line 126 | import junit.framework.TestSuite;
126   * methods as there are exceptions the method can throw. Sometimes
127   * there are multiple tests per JSR166 method when the different
128   * "normal" behaviors differ significantly. And sometimes testcases
129 < * cover multiple methods when they cannot be tested in
116 < * isolation.
129 > * cover multiple methods when they cannot be tested in isolation.
130   *
131   * <li>The documentation style for testcases is to provide as javadoc
132   * a simple sentence or two describing the property that the testcase
# Line 176 | Line 189 | public class JSR166TestCase extends Test
189      private static final int suiteRuns =
190          Integer.getInteger("jsr166.suiteRuns", 1);
191  
192 +    /**
193 +     * Returns the value of the system property, or NaN if not defined.
194 +     */
195 +    private static float systemPropertyValue(String name) {
196 +        String floatString = System.getProperty(name);
197 +        if (floatString == null)
198 +            return Float.NaN;
199 +        try {
200 +            return Float.parseFloat(floatString);
201 +        } catch (NumberFormatException ex) {
202 +            throw new IllegalArgumentException(
203 +                String.format("Bad float value in system property %s=%s",
204 +                              name, floatString));
205 +        }
206 +    }
207 +
208 +    /**
209 +     * The scaling factor to apply to standard delays used in tests.
210 +     * May be initialized from any of:
211 +     * - the "jsr166.delay.factor" system property
212 +     * - the "test.timeout.factor" system property (as used by jtreg)
213 +     *   See: http://openjdk.java.net/jtreg/tag-spec.html
214 +     * - hard-coded fuzz factor when using a known slowpoke VM
215 +     */
216 +    private static final float delayFactor = delayFactor();
217 +
218 +    private static float delayFactor() {
219 +        float x;
220 +        if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
221 +            return x;
222 +        if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
223 +            return x;
224 +        String prop = System.getProperty("java.vm.version");
225 +        if (prop != null && prop.matches(".*debug.*"))
226 +            return 4.0f; // How much slower is fastdebug than product?!
227 +        return 1.0f;
228 +    }
229 +
230      public JSR166TestCase() { super(); }
231      public JSR166TestCase(String name) { super(name); }
232  
# Line 277 | Line 328 | public class JSR166TestCase extends Test
328          PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
329          long runTime;
330          public void startTest(Test test) {}
331 <        protected void printHeader(long runTime) {
331 >        protected void printHeader(long runTime) {
332              this.runTime = runTime; // defer printing for later
333 <        }
334 <        protected void printFooter(TestResult result) {
333 >        }
334 >        protected void printFooter(TestResult result) {
335              if (result.wasSuccessful()) {
336                  getWriter().println("OK (" + result.runCount() + " tests)"
337                      + "  Time: " + elapsedTimeAsString(runTime));
# Line 465 | Line 516 | public class JSR166TestCase extends Test
516                  "StampedLockTest",
517                  "SubmissionPublisherTest",
518                  "ThreadLocalRandom8Test",
519 +                "TimeUnit8Test",
520              };
521              addNamedTestClasses(suite, java8TestClassNames);
522          }
# Line 472 | Line 524 | public class JSR166TestCase extends Test
524          // Java9+ test classes
525          if (atLeastJava9()) {
526              String[] java9TestClassNames = {
527 <                // Currently empty, but expecting varhandle tests
527 >                "AtomicBoolean9Test",
528 >                "AtomicInteger9Test",
529 >                "AtomicIntegerArray9Test",
530 >                "AtomicLong9Test",
531 >                "AtomicLongArray9Test",
532 >                "AtomicReference9Test",
533 >                "AtomicReferenceArray9Test",
534 >                "ExecutorCompletionService9Test",
535              };
536              addNamedTestClasses(suite, java9TestClassNames);
537          }
# Line 549 | Line 608 | public class JSR166TestCase extends Test
608      public static long LONG_DELAY_MS;
609  
610      /**
611 <     * Returns the shortest timed delay. This could
612 <     * be reimplemented to use for example a Property.
611 >     * Returns the shortest timed delay. This can be scaled up for
612 >     * slow machines using the jsr166.delay.factor system property,
613 >     * or via jtreg's -timeoutFactor: flag.
614 >     * http://openjdk.java.net/jtreg/command-help.html
615       */
616      protected long getShortDelay() {
617 <        return 50;
617 >        return (long) (50 * delayFactor);
618      }
619  
620      /**
# Line 866 | Line 927 | public class JSR166TestCase extends Test
927          }};
928      }
929  
930 +    PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
931 +        return new PoolCleanerWithReleaser(pool, releaser(flag));
932 +    }
933 +
934 +    Runnable releaser(final AtomicBoolean flag) {
935 +        return new Runnable() { public void run() { flag.set(true); }};
936 +    }
937 +
938      /**
939       * Waits out termination of a thread pool or fails doing so.
940       */
# Line 889 | Line 958 | public class JSR166TestCase extends Test
958          }
959      }
960  
961 <    /** Like Runnable, but with the freedom to throw anything */
961 >    /**
962 >     * Like Runnable, but with the freedom to throw anything.
963 >     * junit folks had the same idea:
964 >     * http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
965 >     */
966      interface Action { public void run() throws Throwable; }
967  
968      /**
# Line 920 | Line 993 | public class JSR166TestCase extends Test
993       * Uninteresting threads are filtered out.
994       */
995      static void dumpTestThreads() {
996 +        SecurityManager sm = System.getSecurityManager();
997 +        if (sm != null) {
998 +            try {
999 +                System.setSecurityManager(null);
1000 +            } catch (SecurityException giveUp) {
1001 +                return;
1002 +            }
1003 +        }
1004 +
1005          ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1006          System.err.println("------ stacktrace dump start ------");
1007          for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
# Line 937 | Line 1019 | public class JSR166TestCase extends Test
1019              System.err.print(info);
1020          }
1021          System.err.println("------ stacktrace dump end ------");
1022 +
1023 +        if (sm != null) System.setSecurityManager(sm);
1024      }
1025  
1026      /**
# Line 1169 | Line 1253 | public class JSR166TestCase extends Test
1253       * thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1254       */
1255      void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1256 <        long startTime = System.nanoTime();
1256 >        long startTime = 0L;
1257          for (;;) {
1258              Thread.State s = thread.getState();
1259              if (s == Thread.State.BLOCKED ||
# Line 1178 | Line 1262 | public class JSR166TestCase extends Test
1262                  return;
1263              else if (s == Thread.State.TERMINATED)
1264                  fail("Unexpected thread termination");
1265 +            else if (startTime == 0L)
1266 +                startTime = System.nanoTime();
1267              else if (millisElapsedSince(startTime) > timeoutMillis) {
1268                  threadAssertTrue(thread.isAlive());
1269                  return;
# Line 1422 | Line 1508 | public class JSR166TestCase extends Test
1508          return new LatchAwaiter(latch);
1509      }
1510  
1511 <    public void await(CountDownLatch latch) {
1511 >    public void await(CountDownLatch latch, long timeoutMillis) {
1512          try {
1513 <            if (!latch.await(LONG_DELAY_MS, MILLISECONDS))
1513 >            if (!latch.await(timeoutMillis, MILLISECONDS))
1514                  fail("timed out waiting for CountDownLatch for "
1515 <                     + (LONG_DELAY_MS/1000) + " sec");
1515 >                     + (timeoutMillis/1000) + " sec");
1516          } catch (Throwable fail) {
1517              threadUnexpectedException(fail);
1518          }
1519      }
1520  
1521 +    public void await(CountDownLatch latch) {
1522 +        await(latch, LONG_DELAY_MS);
1523 +    }
1524 +
1525      public void await(Semaphore semaphore) {
1526          try {
1527              if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
# Line 1772 | Line 1862 | public class JSR166TestCase extends Test
1862          } catch (NoSuchElementException success) {}
1863          assertFalse(it.hasNext());
1864      }
1865 +
1866 +    public <T> Callable<T> callableThrowing(final Exception ex) {
1867 +        return new Callable<T>() { public T call() throws Exception { throw ex; }};
1868 +    }
1869 +
1870 +    public Runnable runnableThrowing(final RuntimeException ex) {
1871 +        return new Runnable() { public void run() { throw ex; }};
1872 +    }
1873 +
1874 +    /** A reusable thread pool to be shared by tests. */
1875 +    static final ExecutorService cachedThreadPool =
1876 +        new ThreadPoolExecutor(0, Integer.MAX_VALUE,
1877 +                               1000L, MILLISECONDS,
1878 +                               new SynchronousQueue<Runnable>());
1879 +
1880 +    static <T> void shuffle(T[] array) {
1881 +        Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1882 +    }
1883   }

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