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1   /*
2    * $Id: ConstructorCacheTest.java 1188009 2011-10-23 23:54:49Z mcucchiara $
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  package org.apache.commons.ognl.internal;
23  
24  import org.apache.commons.ognl.internal.entry.CacheEntryFactory;
25  import org.apache.commons.ognl.test.objects.Root;
26  import org.junit.Test;
27  
28  import java.lang.reflect.Constructor;
29  import java.util.Arrays;
30  import java.util.List;
31  
32  import static junit.framework.Assert.assertEquals;
33  import static junit.framework.Assert.assertNotNull;
34  
35  public class ConstructorCacheTest
36  {
37      private int count;
38      ClassCache<List<Constructor<?>>> cache = new ConcurrentHashMapClassCache<List<Constructor<?>>>(new CacheEntryFactory<Class<?>, List<Constructor<?>>>( )
39      {
40          public List<Constructor<?>> create( Class<?> key )
41              throws CacheException
42          {
43              count++;
44              return Arrays.<Constructor<?>>asList( key.getConstructors( ) );
45          }
46      });
47  
48      @Test
49      public void testGet()
50          throws CacheException
51      {
52          List<Constructor<?>> constructors = cache.get( Root.class );
53          assertNotNull( constructors );
54          cache.get( Root.class );
55          assertEquals( 1, count);
56      }
57  }