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root/jsr166/jsr166/src/test/tck/JSR166TestCase.java
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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.87 by jsr166, Mon May 30 22:53:21 2011 UTC vs.
Revision 1.107 by jsr166, Sun Apr 21 06:19:58 2013 UTC

# Line 11 | Line 11 | import java.io.ByteArrayInputStream;
11   import java.io.ByteArrayOutputStream;
12   import java.io.ObjectInputStream;
13   import java.io.ObjectOutputStream;
14 + import java.lang.management.ManagementFactory;
15 + import java.lang.management.ThreadInfo;
16 + import java.lang.reflect.Method;
17 + import java.util.ArrayList;
18   import java.util.Arrays;
19   import java.util.Date;
20 + import java.util.Enumeration;
21 + import java.util.List;
22   import java.util.NoSuchElementException;
23   import java.util.PropertyPermission;
24   import java.util.concurrent.*;
# Line 69 | Line 75 | import java.security.SecurityPermission;
75   *
76   * </ol>
77   *
78 < * <p> <b>Other notes</b>
78 > * <p><b>Other notes</b>
79   * <ul>
80   *
81   * <li> Usually, there is one testcase method per JSR166 method
# Line 122 | Line 128 | public class JSR166TestCase extends Test
128      private static final long profileThreshold =
129          Long.getLong("jsr166.profileThreshold", 100);
130  
131 +    /**
132 +     * The number of repetitions per test (for tickling rare bugs).
133 +     */
134 +    private static final int runsPerTest =
135 +        Integer.getInteger("jsr166.runsPerTest", 1);
136 +
137      protected void runTest() throws Throwable {
138 <        if (profileTests)
139 <            runTestProfiled();
140 <        else
141 <            super.runTest();
138 >        for (int i = 0; i < runsPerTest; i++) {
139 >            if (profileTests)
140 >                runTestProfiled();
141 >            else
142 >                super.runTest();
143 >        }
144      }
145  
146      protected void runTestProfiled() throws Throwable {
# Line 142 | Line 156 | public class JSR166TestCase extends Test
156      }
157  
158      /**
159 <     * Runs all JSR166 unit tests using junit.textui.TestRunner
159 >     * Runs all JSR166 unit tests using junit.textui.TestRunner.
160 >     * Optional command line arg provides the number of iterations to
161 >     * repeat running the tests.
162       */
163      public static void main(String[] args) {
164          if (useSecurityManager) {
# Line 174 | Line 190 | public class JSR166TestCase extends Test
190          return suite;
191      }
192  
193 +    public static void addNamedTestClasses(TestSuite suite,
194 +                                           String... testClassNames) {
195 +        for (String testClassName : testClassNames) {
196 +            try {
197 +                Class<?> testClass = Class.forName(testClassName);
198 +                Method m = testClass.getDeclaredMethod("suite",
199 +                                                       new Class<?>[0]);
200 +                suite.addTest(newTestSuite((Test)m.invoke(null)));
201 +            } catch (Exception e) {
202 +                throw new Error("Missing test class", e);
203 +            }
204 +        }
205 +    }
206 +
207 +    public static final double JAVA_CLASS_VERSION;
208 +    static {
209 +        try {
210 +            JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
211 +                new java.security.PrivilegedAction<Double>() {
212 +                public Double run() {
213 +                    return Double.valueOf(System.getProperty("java.class.version"));}});
214 +        } catch (Throwable t) {
215 +            throw new Error(t);
216 +        }
217 +    }
218 +
219 +    public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
220 +    public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
221 +    public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
222 +
223      /**
224       * Collects all JSR166 unit tests as one suite.
225       */
226      public static Test suite() {
227 <        return newTestSuite(
227 >        // Java7+ test classes
228 >        TestSuite suite = newTestSuite(
229              ForkJoinPoolTest.suite(),
230              ForkJoinTaskTest.suite(),
231              RecursiveActionTest.suite(),
# Line 243 | Line 290 | public class JSR166TestCase extends Test
290              TreeSetTest.suite(),
291              TreeSubMapTest.suite(),
292              TreeSubSetTest.suite());
293 +
294 +        // Java8+ test classes
295 +        if (atLeastJava8()) {
296 +            String[] java8TestClassNames = {
297 +                "CompletableFutureTest",
298 +                "ConcurrentHashMap8Test",
299 +                "CountedCompleterTest",
300 +                "DoubleAccumulatorTest",
301 +                "DoubleAdderTest",
302 +                "ForkJoinPool8Test",
303 +                "LongAccumulatorTest",
304 +                "LongAdderTest",
305 +                "StampedLockTest",
306 +            };
307 +            addNamedTestClasses(suite, java8TestClassNames);
308 +        }
309 +
310 +        return suite;
311      }
312  
313  
# Line 334 | Line 399 | public class JSR166TestCase extends Test
399  
400          if (Thread.interrupted())
401              throw new AssertionFailedError("interrupt status set in main thread");
402 +
403 +        checkForkJoinPoolThreadLeaks();
404 +    }
405 +
406 +    /**
407 +     * Find missing try { ... } finally { joinPool(e); }
408 +     */
409 +    void checkForkJoinPoolThreadLeaks() throws InterruptedException {
410 +        Thread[] survivors = new Thread[5];
411 +        int count = Thread.enumerate(survivors);
412 +        for (int i = 0; i < count; i++) {
413 +            Thread thread = survivors[i];
414 +            String name = thread.getName();
415 +            if (name.startsWith("ForkJoinPool-")) {
416 +                // give thread some time to terminate
417 +                thread.join(LONG_DELAY_MS);
418 +                if (!thread.isAlive()) continue;
419 +                thread.stop();
420 +                throw new AssertionFailedError
421 +                    (String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
422 +                                   toString(), name));
423 +            }
424 +        }
425      }
426  
427      /**
# Line 507 | Line 595 | public class JSR166TestCase extends Test
595      }
596  
597      /**
598 +     * A debugging tool to print all stack traces, as jstack does.
599 +     */
600 +    static void printAllStackTraces() {
601 +        for (ThreadInfo info :
602 +                 ManagementFactory.getThreadMXBean()
603 +                 .dumpAllThreads(true, true))
604 +            System.err.print(info);
605 +    }
606 +
607 +    /**
608       * Checks that thread does not terminate within the default
609       * millisecond delay of {@code timeoutMillis()}.
610       */
# Line 528 | Line 626 | public class JSR166TestCase extends Test
626      }
627  
628      /**
629 +     * Checks that the threads do not terminate within the default
630 +     * millisecond delay of {@code timeoutMillis()}.
631 +     */
632 +    void assertThreadsStayAlive(Thread... threads) {
633 +        assertThreadsStayAlive(timeoutMillis(), threads);
634 +    }
635 +
636 +    /**
637 +     * Checks that the threads do not terminate within the given millisecond delay.
638 +     */
639 +    void assertThreadsStayAlive(long millis, Thread... threads) {
640 +        try {
641 +            // No need to optimize the failing case via Thread.join.
642 +            delay(millis);
643 +            for (Thread thread : threads)
644 +                assertTrue(thread.isAlive());
645 +        } catch (InterruptedException ie) {
646 +            fail("Unexpected InterruptedException");
647 +        }
648 +    }
649 +
650 +    /**
651       * Checks that future.get times out, with the default timeout of
652       * {@code timeoutMillis()}.
653       */
# Line 601 | Line 721 | public class JSR166TestCase extends Test
721          SecurityManager sm = System.getSecurityManager();
722          if (sm == null) {
723              r.run();
724 +        }
725 +        runWithSecurityManagerWithPermissions(r, permissions);
726 +    }
727 +
728 +    /**
729 +     * Runs Runnable r with a security policy that permits precisely
730 +     * the specified permissions.  If there is no current security
731 +     * manager, a temporary one is set for the duration of the
732 +     * Runnable.  We require that any security manager permit
733 +     * getPolicy/setPolicy.
734 +     */
735 +    public void runWithSecurityManagerWithPermissions(Runnable r,
736 +                                                      Permission... permissions) {
737 +        SecurityManager sm = System.getSecurityManager();
738 +        if (sm == null) {
739              Policy savedPolicy = Policy.getPolicy();
740              try {
741                  Policy.setPolicy(permissivePolicy());
742                  System.setSecurityManager(new SecurityManager());
743 <                runWithPermissions(r, permissions);
743 >                runWithSecurityManagerWithPermissions(r, permissions);
744              } finally {
745                  System.setSecurityManager(null);
746                  Policy.setPolicy(savedPolicy);
# Line 653 | Line 788 | public class JSR166TestCase extends Test
788              return perms.implies(p);
789          }
790          public void refresh() {}
791 +        public String toString() {
792 +            List<Permission> ps = new ArrayList<Permission>();
793 +            for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
794 +                ps.add(e.nextElement());
795 +            return "AdjustablePolicy with permissions " + ps;
796 +        }
797      }
798  
799      /**
# Line 690 | Line 831 | public class JSR166TestCase extends Test
831      }
832  
833      /**
834 <     * Waits up to the specified number of milliseconds for the given
834 >     * Spin-waits up to the specified number of milliseconds for the given
835       * thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
836       */
837      void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
838 <        long timeoutNanos = timeoutMillis * 1000L * 1000L;
698 <        long t0 = System.nanoTime();
838 >        long startTime = System.nanoTime();
839          for (;;) {
840              Thread.State s = thread.getState();
841              if (s == Thread.State.BLOCKED ||
# Line 704 | Line 844 | public class JSR166TestCase extends Test
844                  return;
845              else if (s == Thread.State.TERMINATED)
846                  fail("Unexpected thread termination");
847 <            else if (System.nanoTime() - t0 > timeoutNanos) {
847 >            else if (millisElapsedSince(startTime) > timeoutMillis) {
848                  threadAssertTrue(thread.isAlive());
849                  return;
850              }
# Line 905 | Line 1045 | public class JSR166TestCase extends Test
1045          }
1046      }
1047  
1048 +    public void await(Semaphore semaphore) {
1049 +        try {
1050 +            assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1051 +        } catch (Throwable t) {
1052 +            threadUnexpectedException(t);
1053 +        }
1054 +    }
1055 +
1056   //     /**
1057   //      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1058   //      */
# Line 1173 | Line 1321 | public class JSR166TestCase extends Test
1321          }
1322      }
1323  
1324 <    @SuppressWarnings("unchecked")
1325 <    <T> T serialClone(T o) {
1324 >    void assertSerialEquals(Object x, Object y) {
1325 >        assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1326 >    }
1327 >
1328 >    void assertNotSerialEquals(Object x, Object y) {
1329 >        assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1330 >    }
1331 >
1332 >    byte[] serialBytes(Object o) {
1333          try {
1334              ByteArrayOutputStream bos = new ByteArrayOutputStream();
1335              ObjectOutputStream oos = new ObjectOutputStream(bos);
1336              oos.writeObject(o);
1337              oos.flush();
1338              oos.close();
1339 +            return bos.toByteArray();
1340 +        } catch (Throwable t) {
1341 +            threadUnexpectedException(t);
1342 +            return new byte[0];
1343 +        }
1344 +    }
1345 +
1346 +    @SuppressWarnings("unchecked")
1347 +    <T> T serialClone(T o) {
1348 +        try {
1349              ObjectInputStream ois = new ObjectInputStream
1350 <                (new ByteArrayInputStream(bos.toByteArray()));
1350 >                (new ByteArrayInputStream(serialBytes(o)));
1351              T clone = (T) ois.readObject();
1352              assertSame(o.getClass(), clone.getClass());
1353              return clone;
# Line 1191 | Line 1356 | public class JSR166TestCase extends Test
1356              return null;
1357          }
1358      }
1359 +
1360 +    public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1361 +                             Runnable... throwingActions) {
1362 +        for (Runnable throwingAction : throwingActions) {
1363 +            boolean threw = false;
1364 +            try { throwingAction.run(); }
1365 +            catch (Throwable t) {
1366 +                threw = true;
1367 +                if (!expectedExceptionClass.isInstance(t)) {
1368 +                    AssertionFailedError afe =
1369 +                        new AssertionFailedError
1370 +                        ("Expected " + expectedExceptionClass.getName() +
1371 +                         ", got " + t.getClass().getName());
1372 +                    afe.initCause(t);
1373 +                    threadUnexpectedException(afe);
1374 +                }
1375 +            }
1376 +            if (!threw)
1377 +                shouldThrow(expectedExceptionClass.getName());
1378 +        }
1379 +    }
1380   }

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