+++ /dev/null
-package org.apache.lucene.util.collections;
-
-import org.junit.Test;
-
-import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.util.collections.LRUHashMap;
-
-/**
- * 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.
- */
-
-public class TestLRUHashMap extends LuceneTestCase {
- // testLRU() tests that the specified size limit is indeed honored, and
- // the remaining objects in the map are indeed those that have been most
- // recently used
- @Test
- public void testLRU() throws Exception {
- LRUHashMap<String, String> lru = new LRUHashMap<String, String>(3);
- assertEquals(0, lru.size());
- lru.put("one", "Hello world");
- assertEquals(1, lru.size());
- lru.put("two", "Hi man");
- assertEquals(2, lru.size());
- lru.put("three", "Bonjour");
- assertEquals(3, lru.size());
- lru.put("four", "Shalom");
- assertEquals(3, lru.size());
- assertNotNull(lru.get("three"));
- assertNotNull(lru.get("two"));
- assertNotNull(lru.get("four"));
- assertNull(lru.get("one"));
- lru.put("five", "Yo!");
- assertEquals(3, lru.size());
- assertNull(lru.get("three")); // three was last used, so it got removed
- assertNotNull(lru.get("five"));
- lru.get("four");
- lru.put("six", "hi");
- lru.put("seven", "hey dude");
- assertEquals(3, lru.size());
- assertNull(lru.get("one"));
- assertNull(lru.get("two"));
- assertNull(lru.get("three"));
- assertNotNull(lru.get("four"));
- assertNull(lru.get("five"));
- assertNotNull(lru.get("six"));
- assertNotNull(lru.get("seven"));
- }
-}