opendaylight/md-sal/cds-access-client/src/test/java/org/opendaylight/controller/cluster/access/client/InversibleLockTest.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.cluster.access.client;
  10
  11 import java.util.concurrent.Executors;
  12 import java.util.concurrent.ScheduledExecutorService;
  13 import java.util.concurrent.TimeUnit;
  14 import org.junit.After;
  15 import org.junit.Assert;
  16 import org.junit.Before;
  17 import org.junit.Test;
  18
  19 public class InversibleLockTest {
  20
  21     private InversibleLock lock;
  22     private ScheduledExecutorService executor;
  23
  24     @Before
  25     public void setUp() throws Exception {
  26         lock = new InversibleLock();
  27         executor = Executors.newScheduledThreadPool(1);
  28     }
  29
  30     @After
  31     public void tearDown() throws Exception {
  32         executor.shutdownNow();
  33     }
  34
  35     @Test(timeout = 2000)
  36     public void testWriteLockUnlock() throws Exception {
  37         final long stamp = lock.writeLock();
  38         Assert.assertTrue(lock.validate(stamp));
  39         executor.schedule(() -> lock.unlockWrite(stamp), 500, TimeUnit.MILLISECONDS);
  40         try {
  41             lock.optimisticRead();
  42         } catch (final InversibleLockException e) {
  43             e.awaitResolution();
  44         }
  45     }
  46
  47     @Test
  48     public void testLockAfterRead() throws Exception {
  49         final long readStamp = lock.optimisticRead();
  50         lock.writeLock();
  51         Assert.assertFalse(lock.validate(readStamp));
  52     }
  53 }