/*
* Copyright 2014 NAVER Corp.
*
* 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 com.navercorp.pinpoint.profiler.metadata;
import org.junit.Assert;
import org.junit.Test;
import com.navercorp.pinpoint.profiler.metadata.LRUCache;
import java.util.Random;
/**
* @author emeroad
*/
public class LRUCacheTest {
@Test
public void testPut() throws Exception {
long cacheSize = 100;
LRUCache cache = new LRUCache((int) cacheSize);
Random random = new Random();
for (int i = 0; i < 1000; i++) {
cache.put(String.valueOf(random.nextInt(100000)));
}
long size = cache.getSize();
Assert.assertEquals(size, cacheSize);
}
@Test
public void testGetSize() throws Exception {
LRUCache<String> cache = new LRUCache<String>(2);
Assert.assertEquals(cache.getSize(), 0);
String sqlObject = "test";
boolean hit = cache.put(sqlObject);
Assert.assertTrue(hit);
Assert.assertEquals(cache.getSize(), 1);
boolean hit2 = cache.put(sqlObject);
Assert.assertFalse(hit2);
Assert.assertEquals(cache.getSize(), 1);
// "23 123";
// "DCArMlhwQO 7"
cache.put("23 123");
cache.put("DCArMlhwQO 7");
cache.put("3");
cache.put("4");
Assert.assertEquals(cache.getSize(), 2);
}
}