1   /*
2    * Copyright 2004-2009 the Seasar Foundation and the Others.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.cubby.internal.util;
17  
18  import static org.junit.Assert.assertEquals;
19  import static org.junit.Assert.assertNull;
20  
21  import java.util.Iterator;
22  
23  import org.junit.Test;
24  import org.seasar.cubby.internal.util.LruHashMap;
25  
26  public class LruHashMapTest {
27  
28  	@Test
29  	public void all() throws Exception {
30  		LruHashMap<String, String> lru = new LruHashMap<String, String>(3);
31  		assertEquals(3, lru.getLimitSize());
32  		lru.put("aaa", "111");
33  		lru.put("bbb", "222");
34  		lru.put("ccc", "333");
35  		assertEquals("111", lru.get("aaa"));
36  		Iterator<String> i = lru.keySet().iterator();
37  		assertEquals("bbb", i.next());
38  		assertEquals("ccc", i.next());
39  		assertEquals("aaa", i.next());
40  		lru.put("ddd", "444");
41  		assertEquals(3, lru.size());
42  		assertNull(lru.get("bbb"));
43  		i = lru.keySet().iterator();
44  		assertEquals("ccc", i.next());
45  		assertEquals("aaa", i.next());
46  		assertEquals("ddd", i.next());
47  	}
48  
49  }