| package org.apache.commons.jcs; |
| |
| /* |
| * 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 junit.framework.TestCase; |
| import org.apache.commons.jcs.access.CacheAccess; |
| |
| /** |
| * |
| * @author Aaron Smuts |
| * |
| */ |
| public class ZeroSizeCacheUnitTest |
| extends TestCase |
| { |
| /** number to get each loop */ |
| private static int items = 20000; |
| |
| /** |
| * Test setup |
| * <p> |
| * @throws Exception |
| */ |
| @Override |
| public void setUp() |
| throws Exception |
| { |
| JCS.setConfigFilename( "/TestZeroSizeCache.ccf" ); |
| JCS.getInstance( "testCache1" ); |
| } |
| |
| /** |
| * Verify that a 0 size cache does not result in errors. You should be able |
| * to disable a region this way. |
| * @throws Exception |
| * |
| */ |
| public void testPutGetRemove() |
| throws Exception |
| { |
| CacheAccess<String, String> jcs = JCS.getInstance( "testCache1" ); |
| |
| for ( int i = 0; i <= items; i++ ) |
| { |
| jcs.put( i + ":key", "data" + i ); |
| } |
| |
| // all the gets should be null |
| for ( int i = items; i >= 0; i-- ) |
| { |
| String res = jcs.get( i + ":key" ); |
| assertNull( "[" + i + ":key] should be null", res ); |
| } |
| |
| // test removal, should be no exceptions |
| jcs.remove( "300:key" ); |
| |
| // allow the shrinker to run |
| Thread.sleep( 500 ); |
| |
| // do it again. |
| for ( int i = 0; i <= items; i++ ) |
| { |
| jcs.put( i + ":key", "data" + i ); |
| } |
| |
| for ( int i = items; i >= 0; i-- ) |
| { |
| String res = jcs.get( i + ":key" ); |
| assertNull( "[" + i + ":key] should be null", res ); |
| } |
| } |
| } |