/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.turbo;
import junit.framework.Assert;
import org.junit.Test;
public class LRUMessageCacheTest {
@Test
public void testEldestEntriesRemoval() {
final LRUMessageCache cache = new LRUMessageCache(2);
Assert.assertEquals(0, cache.getMessageCountAndThenIncrement("0"));
Assert.assertEquals(1, cache.getMessageCountAndThenIncrement("0"));
Assert.assertEquals(0, cache.getMessageCountAndThenIncrement("1"));
Assert.assertEquals(1, cache.getMessageCountAndThenIncrement("1"));
// 0 entry should have been removed.
Assert.assertEquals(0, cache.getMessageCountAndThenIncrement("2"));
// So it is expected a returned value of 0 instead of 2.
// 1 entry should have been removed.
Assert.assertEquals(0, cache.getMessageCountAndThenIncrement("0"));
// So it is expected a returned value of 0 instead of 2.
// 2 entry should have been removed.
Assert.assertEquals(0, cache.getMessageCountAndThenIncrement("1"));
// So it is expected a returned value of 0 instead of 2.
Assert.assertEquals(0, cache.getMessageCountAndThenIncrement("2"));
}
}