package org.apache.directmemory.ehcache;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *  http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import java.io.IOException;
  
  import net.sf.ehcache.CacheException;
  import net.sf.ehcache.CacheManager;
  import net.sf.ehcache.Ehcache;
  import net.sf.ehcache.Element;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  public class EHCacheTest
  {
  
      @Test
      public void testPutRetreive()
      {
          CacheManager cacheManager = CacheManager.getInstance();
          Ehcache ehcache = cacheManager.getEhcache( "testCache" );
  
          ehcache.put( new Element( "testKey", "testValue" ) );
          stats( ehcache );
          Assert.assertEquals( "testValue", ehcache.get( "testKey" ).getObjectValue() );
      }
  
      @Test
      public void testSizing()
      {
          CacheManager cacheManager = CacheManager.getInstance();
          Ehcache ehcache = cacheManager.getEhcache( "testCache" );
          for ( int i = 0; i < 30000; i++ )
          {
              if ( ( i % 1000 ) == 0 )
              {
                  System.out.println( "heatbeat " + i );
                  stats( ehcache );
              }
              ehcache.put( new Element( i, new byte[1024] ) );
          }
          stats( ehcache );
          Assert.assertTrue( true );
      }
  
      @Test
      public void testOffHeapExceedMemory()
          throws IOException
      {
          CacheManager cacheManager = CacheManager.getInstance();
          Ehcache ehcache = cacheManager.getEhcache( "testCache" );
          Element element = null;
          try
          {
              for ( int i = 0; i < 3000000; i++ )
              {
                  if ( ( i % 1000 ) == 0 )
                  {
                      System.out.println( "heatbeat 2 " + i );
                      stats( ehcache );
                  }
                  element = new Element( i, new byte[1024] );
                  ehcache.put( element );
              }
              Assert.fail( "CacheException expected for DirectMemory OffHeap Memory Exceeded" );
          }
          catch ( CacheException e )
          {
              stats( ehcache );
              Assert.assertTrue( "CacheException expected for DirectMemory OffHeap Memory Exceeded", true );
          }
  
      }
  
      private void stats( Ehcache ehcache )
      {
          System.out.println( "OnHeapSize=" + ehcache.calculateInMemorySize() + ", OnHeapElements="
              + ehcache.getMemoryStoreSize() );
          System.out.println( "OffHeapSize=" + ehcache.calculateOffHeapSize() + ", OffHeapElements="
              + ehcache.getOffHeapStoreSize() );
          System.out.println( "DiskStoreSize=" + ehcache.calculateOnDiskSize() + ", DiskStoreElements="
             + ehcache.getDiskStoreSize() );
     }
 
 }