// Copyright (C) 2011 Philip Aston
   // All rights reserved.
   //
   // This file is part of The Grinder software distribution. Refer to
   // the file LICENSE which is part of The Grinder distribution for
   // licensing details. The Grinder distribution is available on the
   // Internet at http://grinder.sourceforge.net/
   //
   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  // OF THE POSSIBILITY OF SUCH DAMAGE.
  
  package net.grinder.synchronisation;
  
  import static net.grinder.testutility.AssertUtilities.assertNotEquals;
  import static net.grinder.testutility.Serializer.serialize;
  import static org.junit.Assert.*;
  import net.grinder.synchronisation.messages.BarrierIdentity;
  
  import org.junit.Test;
  
  
  /**
   * Unit tests for {@link BarrierIdentityGenerator}.
   *
   * @author Philip Aston
   */
  public class TestBarrierIdentityGenerator {
  
    @Test public void testIdentityGeneration() {
      final BarrierIdentityGenerator generator =
        new BarrierIdentityGenerator(new Integer(1));
  
      final BarrierIdentity one = generator.next();
      final BarrierIdentity two = generator.next();
  
      assertNotEquals(one, two);
    }
  
  
    @Test public void testIdentityIsSerializable() throws Exception {
      final BarrierIdentityGenerator generator =
        new BarrierIdentityGenerator(new Integer(1));
  
      final BarrierIdentity id = generator.next();
  
      final BarrierIdentity serializedID = serialize(id);
  
      assertEquals(id, serializedID);
    }
  
    @Test public void testIdentityEquality() throws Exception {
      final BarrierIdentityGenerator generator =
        new BarrierIdentityGenerator(new Integer(1));
  
      final BarrierIdentity one = generator.next();
      final BarrierIdentity two = generator.next();
  
      assertEquals(one, one);
      assertEquals(one.hashCode(), one.hashCode());
  
      assertNotEquals(one, two);
      assertNotEquals(one, this);
      assertNotEquals(one, null);
    }
  }