author | xdono |
Wed, 02 Jul 2008 12:55:45 -0700 | |
changeset 715 | f16baef3a20e |
parent 57 | bde819c390e0 |
child 3414 | cdf768813b4d |
permissions | -rw-r--r-- |
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/* |
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* Copyright 2005-2008 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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||
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/* |
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* @test |
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57
bde819c390e0
6595669: regtest LinkedBlockingQueue/OfferRemoveLoops.java fails
martin
parents:
2
diff
changeset
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* @bug 6316155 6595669 |
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* @summary Test concurrent offer vs. remove |
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* @author Martin Buchholz |
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*/ |
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import java.util.concurrent.*; |
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public class OfferRemoveLoops { |
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private static void realMain(String[] args) throws Throwable { |
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testQueue(new LinkedBlockingQueue<String>(10)); |
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testQueue(new LinkedBlockingQueue<String>()); |
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testQueue(new LinkedBlockingDeque<String>(10)); |
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testQueue(new LinkedBlockingDeque<String>()); |
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testQueue(new ArrayBlockingQueue<String>(10)); |
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testQueue(new PriorityBlockingQueue<String>(10)); |
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} |
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private abstract static class ControlledThread extends Thread { |
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abstract protected void realRun(); |
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public void run() { |
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try { realRun(); } catch (Throwable t) { unexpected(t); } |
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} |
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} |
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private static void testQueue(final BlockingQueue<String> q) throws Throwable { |
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System.out.println(q.getClass()); |
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final int count = 10000; |
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57
bde819c390e0
6595669: regtest LinkedBlockingQueue/OfferRemoveLoops.java fails
martin
parents:
2
diff
changeset
|
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final long quittingTime = System.nanoTime() + 1L * 1000L * 1000L * 1000L; |
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Thread t1 = new ControlledThread() { |
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protected void realRun() { |
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for (int i = 0, j = 0; i < count; i++) |
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57
bde819c390e0
6595669: regtest LinkedBlockingQueue/OfferRemoveLoops.java fails
martin
parents:
2
diff
changeset
|
57 |
while (! q.remove(String.valueOf(i)) |
bde819c390e0
6595669: regtest LinkedBlockingQueue/OfferRemoveLoops.java fails
martin
parents:
2
diff
changeset
|
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&& System.nanoTime() - quittingTime < 0) |
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Thread.yield();}}; |
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Thread t2 = new ControlledThread() { |
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protected void realRun() { |
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for (int i = 0, j = 0; i < count; i++) |
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57
bde819c390e0
6595669: regtest LinkedBlockingQueue/OfferRemoveLoops.java fails
martin
parents:
2
diff
changeset
|
63 |
while (! q.offer(String.valueOf(i)) |
bde819c390e0
6595669: regtest LinkedBlockingQueue/OfferRemoveLoops.java fails
martin
parents:
2
diff
changeset
|
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&& System.nanoTime() - quittingTime < 0) |
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Thread.yield();}}; |
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t1.setDaemon(true); t2.setDaemon(true); |
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t1.start(); t2.start(); |
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t1.join(10000); t2.join(10000); |
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check(! t1.isAlive()); |
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check(! t2.isAlive()); |
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} |
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//--------------------- Infrastructure --------------------------- |
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static volatile int passed = 0, failed = 0; |
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static void pass() { passed++; } |
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static void fail() { failed++; Thread.dumpStack(); } |
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static void unexpected(Throwable t) { failed++; t.printStackTrace(); } |
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static void check(boolean cond) { if (cond) pass(); else fail(); } |
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static void equal(Object x, Object y) { |
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if (x == null ? y == null : x.equals(y)) pass(); |
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else {System.out.println(x + " not equal to " + y); fail(); }} |
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public static void main(String[] args) throws Throwable { |
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try { realMain(args); } catch (Throwable t) { unexpected(t); } |
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System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); |
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if (failed > 0) throw new Exception("Some tests failed"); |
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} |
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} |