/*
* Copyright 2004-2012 the Seasar Foundation and the Others.
*
* Licensed 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.
*/
package org.seasar.util.collection;
import java.util.Iterator;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
/**
* @author taichi
*/
public class LruHashMapTest {
/**
* @throws Exception
*/
@Test
public void testAll() throws Exception {
LruHashMap<String, String> lru = new LruHashMap<String, String>(3);
lru.put("aaa", "111");
lru.put("bbb", "222");
lru.put("ccc", "333");
assertThat(lru.get("aaa"), is("111"));
Iterator<String> i = lru.keySet().iterator();
assertThat(i.next(), is("bbb"));
assertThat(i.next(), is("ccc"));
assertThat(i.next(), is("aaa"));
lru.put("ddd", "444");
assertThat(lru.size(), is(3));
assertThat(lru.get("bbb"), is(nullValue()));
i = lru.keySet().iterator();
assertThat(i.next(), is("ccc"));
assertThat(i.next(), is("aaa"));
assertThat(i.next(), is("ddd"));
}
}