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John McNally
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added a test for just the lru memory cache.
PR: Obtained from: Submitted by: Reviewed by: git-svn-id: https://svn.apache.org/repos/asf/jakarta/jcs/trunk@224003 13f79535-47bb-0310-9956-ffa450edef68
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‎project.xml‎

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<unitTestPattern>include = **/TestDiskCache.java</unitTestPattern>
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<unitTestPattern>include = **/TestDiskCacheConcurrent.java</unitTestPattern>
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<unitTestPattern>include = **/TestTCPLateralCache.java</unitTestPattern>
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<unitTestPattern>include = **/TestLRUMemoryCache.java</unitTestPattern>
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</unitTestPatterns>
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<jarResources></jarResources>
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<jars></jars>

‎src/test/org/apache/jcs/engine/memory/lru/TestLRUMemoryCache.java‎

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package org.apache.jcs.engine.memory.lru;
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/*
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* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2001-2002 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache Turbine" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache Turbine", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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import junit.extensions.ActiveTestSuite;
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import junit.framework.Test;
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import junit.framework.TestCase;
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import org.apache.jcs.JCS;
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import org.apache.jcs.engine.CacheElement;
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import org.apache.jcs.engine.behavior.ICacheElement;
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import org.apache.jcs.engine.control.CompositeCacheManager;
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import org.apache.jcs.engine.control.CompositeCache;
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/**
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* Test which exercises the indexed disk cache. This one uses three different
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* regions for thre threads.
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*
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* @author <a href="mailto:james@jamestaylor.org">James Taylor</a>
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* @version $Id$
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*/
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public class TestLRUMemoryCache extends TestCase
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{
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/**
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* Number of items to cache, twice the configured maxObjects for the
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* memory cache regions.
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*/
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private static int items = 200;
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/**
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* Constructor for the TestDiskCache object.
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*/
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public TestLRUMemoryCache( String testName )
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{
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super( testName );
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}
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/**
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* Main method passes this test to the text test runner.
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*/
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public static void main( String args[] )
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{
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String[] testCaseName = {TestLRUMemoryCache.class.getName()};
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junit.textui.TestRunner.main( testCaseName );
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}
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/**
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* A unit test suite for JUnit
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*
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* @return The test suite
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*/
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public static Test suite()
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{
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ActiveTestSuite suite = new ActiveTestSuite();
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suite.addTest( new TestLRUMemoryCache( "testLRUMemoryCache" )
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{
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public void runTest() throws Exception
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{
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this.runTestForRegion( "indexedRegion1" );
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}
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} );
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/*
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suite.addTest( new TestDiskCache( "testIndexedDiskCache2" )
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{
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public void runTest() throws Exception
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{
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this.runTestForRegion( "indexedRegion2" );
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}
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} );
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suite.addTest( new TestDiskCache( "testIndexedDiskCache3" )
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{
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public void runTest() throws Exception
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{
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this.runTestForRegion( "indexedRegion3" );
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}
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} );
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*/
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return suite;
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}
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/**
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* Test setup
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*/
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public void setUp()
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{
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//JCS.setConfigFilename( "/TestDiskCache.ccf" );
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}
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/**
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* Adds items to cache, gets them, and removes them. The item count is more
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* than the size of the memory cache, so items should be dumped.
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*
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* @param region Name of the region to access
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*
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* @exception Exception If an error occurs
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*/
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public void runTestForRegion( String region )
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throws Exception
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{
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CompositeCacheManager cacheMgr = CompositeCacheManager
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.getUnconfiguredInstance();
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cacheMgr.configure( "/TestDiskCache.ccf" );
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CompositeCache cache = cacheMgr.getCache( region );
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LRUMemoryCache lru = new LRUMemoryCache();
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lru.initialize(cache);
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// Add items to cache
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for ( int i = 0; i < items; i++ )
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{
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ICacheElement ice = new CacheElement(
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cache.getCacheName(), i + ":key", region + " data " + i);
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ice.setElementAttributes(cache.getElementAttributes().copy());
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lru.update(ice);
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}
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// Test that initial items have been purged
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for ( int i = 0; i < 102; i++ )
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{
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this.assertNull(lru.get( i + ":key" ));
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}
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// Test that last items are in cache
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for ( int i = 102; i < items; i++ )
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{
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String value = (String)
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((ICacheElement)lru.get( i + ":key" )).getVal();
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this.assertEquals( region + " data " + i, value );
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}
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// Remove all the items
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for ( int i = 0; i < items; i++ )
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{
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lru.remove( i + ":key" );
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}
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// Verify removal
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for ( int i = 0; i < items; i++ )
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{
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assertNull( "Removed key should be null: " + i + ":key",
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lru.get( i + ":key" ) );
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}
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}
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}

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