/*
***************************************************************************************
* 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.epl.expression.ops;
import com.espertech.esper.epl.agg.aggregator.AggregatorDistinctValue;
import com.espertech.esper.supportunit.epl.SupportAggregator;
import junit.framework.TestCase;
public class TestUniqueValueAggregator extends TestCase {
private AggregatorDistinctValue agg;
public void setUp() {
agg = new AggregatorDistinctValue(new SupportAggregator());
}
public void testEnter() {
agg.enter(1);
agg.enter(new Integer(10));
agg.enter(null);
}
public void testLeave() {
agg.enter(1);
agg.leave(1);
}
public void testGetValue() {
assertEquals(0, agg.getValue());
agg.enter(10);
assertEquals(10, agg.getValue());
agg.enter(10);
assertEquals(10, agg.getValue());
agg.enter(2);
assertEquals(12, agg.getValue());
agg.leave(10);
assertEquals(12, agg.getValue());
agg.leave(10);
assertEquals(2, agg.getValue());
agg.leave(2);
assertEquals(0, agg.getValue());
}
}