001    /*
002     * $Id: ConstructorCacheTest.java 1188009 2011-10-23 23:54:49Z mcucchiara $
003     *
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *   http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    package org.apache.commons.ognl.internal;
023    
024    import org.apache.commons.ognl.internal.entry.CacheEntryFactory;
025    import org.apache.commons.ognl.test.objects.Root;
026    import org.junit.Test;
027    
028    import java.lang.reflect.Constructor;
029    import java.util.Arrays;
030    import java.util.List;
031    
032    import static junit.framework.Assert.assertEquals;
033    import static junit.framework.Assert.assertNotNull;
034    
035    public class ConstructorCacheTest
036    {
037        private int count;
038        ClassCache<List<Constructor<?>>> cache = new ConcurrentHashMapClassCache<List<Constructor<?>>>(new CacheEntryFactory<Class<?>, List<Constructor<?>>>( )
039        {
040            public List<Constructor<?>> create( Class<?> key )
041                throws CacheException
042            {
043                count++;
044                return Arrays.<Constructor<?>>asList( key.getConstructors( ) );
045            }
046        });
047    
048        @Test
049        public void testGet()
050            throws CacheException
051        {
052            List<Constructor<?>> constructors = cache.get( Root.class );
053            assertNotNull( constructors );
054            cache.get( Root.class );
055            assertEquals( 1, count);
056        }
057    }