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test/jdk/java/util/concurrent/BlockingQueue/ProducerConsumerLoops.java

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rev 51731 : imported patch 8210732


  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  */
  22 
  23 /*
  24  * This file is available under and governed by the GNU General Public
  25  * License version 2 only, as published by the Free Software Foundation.
  26  * However, the following notice accompanied the original version of this
  27  * file:
  28  *
  29  * Written by Doug Lea with assistance from members of JCP JSR-166
  30  * Expert Group and released to the public domain, as explained at
  31  * http://creativecommons.org/publicdomain/zero/1.0/
  32  */
  33 
  34 /*
  35  * @test
  36  * @bug 4486658
  37  * @summary  multiple producers and consumers using blocking queues
  38  * @library /lib/testlibrary/
  39  */
  40 
  41 import static java.util.concurrent.TimeUnit.MILLISECONDS;
  42 import static java.util.concurrent.TimeUnit.NANOSECONDS;
  43 
  44 import java.util.concurrent.ArrayBlockingQueue;
  45 import java.util.concurrent.BlockingQueue;
  46 import java.util.concurrent.CyclicBarrier;
  47 import java.util.concurrent.ExecutorService;
  48 import java.util.concurrent.Executors;
  49 import java.util.concurrent.LinkedBlockingDeque;
  50 import java.util.concurrent.LinkedBlockingQueue;
  51 import java.util.concurrent.LinkedTransferQueue;
  52 import java.util.concurrent.PriorityBlockingQueue;
  53 import java.util.concurrent.SynchronousQueue;
  54 import java.util.concurrent.atomic.AtomicInteger;
  55 import jdk.testlibrary.Utils;
  56 
  57 public class ProducerConsumerLoops {
  58     static final long LONG_DELAY_MS = Utils.adjustTimeout(10_000);
  59     static ExecutorService pool;
  60 
  61     public static void main(String[] args) throws Exception {
  62         final int maxPairs = (args.length > 0)
  63             ? Integer.parseInt(args[0])
  64             : 5;
  65         int iters = 10000;
  66 
  67         pool = Executors.newCachedThreadPool();
  68         for (int i = 1; i <= maxPairs; i += (i+1) >>> 1) {
  69             // Adjust iterations to limit typical single runs to <= 10 ms;
  70             // Notably, fair queues get fewer iters.
  71             // Unbounded queues can legitimately OOME if iterations
  72             // high enough, but we have a sufficiently low limit here.
  73             run(new ArrayBlockingQueue<Integer>(100), i, 500);
  74             run(new LinkedBlockingQueue<Integer>(100), i, 1000);
  75             run(new LinkedBlockingDeque<Integer>(100), i, 1000);




  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  */
  22 
  23 /*
  24  * This file is available under and governed by the GNU General Public
  25  * License version 2 only, as published by the Free Software Foundation.
  26  * However, the following notice accompanied the original version of this
  27  * file:
  28  *
  29  * Written by Doug Lea with assistance from members of JCP JSR-166
  30  * Expert Group and released to the public domain, as explained at
  31  * http://creativecommons.org/publicdomain/zero/1.0/
  32  */
  33 
  34 /*
  35  * @test
  36  * @bug 4486658
  37  * @summary  multiple producers and consumers using blocking queues
  38  * @library /test/lib
  39  */
  40 
  41 import static java.util.concurrent.TimeUnit.MILLISECONDS;
  42 import static java.util.concurrent.TimeUnit.NANOSECONDS;
  43 
  44 import java.util.concurrent.ArrayBlockingQueue;
  45 import java.util.concurrent.BlockingQueue;
  46 import java.util.concurrent.CyclicBarrier;
  47 import java.util.concurrent.ExecutorService;
  48 import java.util.concurrent.Executors;
  49 import java.util.concurrent.LinkedBlockingDeque;
  50 import java.util.concurrent.LinkedBlockingQueue;
  51 import java.util.concurrent.LinkedTransferQueue;
  52 import java.util.concurrent.PriorityBlockingQueue;
  53 import java.util.concurrent.SynchronousQueue;
  54 import java.util.concurrent.atomic.AtomicInteger;
  55 import jdk.test.lib.Utils;
  56 
  57 public class ProducerConsumerLoops {
  58     static final long LONG_DELAY_MS = Utils.adjustTimeout(10_000);
  59     static ExecutorService pool;
  60 
  61     public static void main(String[] args) throws Exception {
  62         final int maxPairs = (args.length > 0)
  63             ? Integer.parseInt(args[0])
  64             : 5;
  65         int iters = 10000;
  66 
  67         pool = Executors.newCachedThreadPool();
  68         for (int i = 1; i <= maxPairs; i += (i+1) >>> 1) {
  69             // Adjust iterations to limit typical single runs to <= 10 ms;
  70             // Notably, fair queues get fewer iters.
  71             // Unbounded queues can legitimately OOME if iterations
  72             // high enough, but we have a sufficiently low limit here.
  73             run(new ArrayBlockingQueue<Integer>(100), i, 500);
  74             run(new LinkedBlockingQueue<Integer>(100), i, 1000);
  75             run(new LinkedBlockingDeque<Integer>(100), i, 1000);


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