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() );
}
}