/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.collection;
import junit.framework.TestCase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Random;
public class TestSortedRefCountedSet extends TestCase {
private SortedRefCountedSet<String> refSet;
private Random random = new Random();
public void setUp() {
refSet = new SortedRefCountedSet<String>();
}
public void testMaxMinValue() {
refSet.add("a");
refSet.add("b");
assertEquals("ba", refSet.maxValue() + refSet.minValue());
refSet.remove("a");
assertEquals("bb", refSet.maxValue() + refSet.minValue());
refSet.remove("b");
assertNull(refSet.maxValue());
assertNull(refSet.minValue());
refSet.add("b");
refSet.add("a");
refSet.add("d");
refSet.add("a");
refSet.add("c");
refSet.add("a");
refSet.add("c");
assertEquals("da", refSet.maxValue() + refSet.minValue());
refSet.remove("d");
assertEquals("ca", refSet.maxValue() + refSet.minValue());
refSet.remove("a");
assertEquals("ca", refSet.maxValue() + refSet.minValue());
refSet.remove("a");
assertEquals("ca", refSet.maxValue() + refSet.minValue());
refSet.remove("c");
assertEquals("ca", refSet.maxValue() + refSet.minValue());
refSet.remove("c");
assertEquals("ba", refSet.maxValue() + refSet.minValue());
refSet.remove("a");
assertEquals("bb", refSet.maxValue() + refSet.minValue());
refSet.remove("b");
assertNull(refSet.maxValue());
assertNull(refSet.minValue());
}
public void testAdd() {
refSet.add("a");
refSet.add("b");
refSet.add("a");
refSet.add("c");
refSet.add("a");
assertEquals("c", refSet.maxValue());
assertEquals("a", refSet.minValue());
}
public void testRemove() {
refSet.add("a");
refSet.remove("a");
assertNull(refSet.maxValue());
assertNull(refSet.minValue());
refSet.add("a");
refSet.add("a");
assertEquals("aa", refSet.maxValue() + refSet.minValue());
refSet.remove("a");
assertEquals("aa", refSet.maxValue() + refSet.minValue());
refSet.remove("a");
assertNull(refSet.maxValue());
assertNull(refSet.minValue());
// nothing to remove
refSet.remove("c");
refSet.add("a");
refSet.remove("a");
refSet.remove("a");
}
private final static Logger log = LoggerFactory.getLogger(TestSortedRefCountedSet.class);
}