JMeter example source code file (TestStatCalculator.java)

This example JMeter source code file (TestStatCalculator.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - JMeter tags/keywords

exception, long, map, map, number, number, override, statcalculatorinteger, statcalculatorinteger, statcalculatorlong, testcase, teststatcalculator, teststatcalculator, util

The JMeter TestStatCalculator.java source code

/*
 * 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.
 * 
 */

package org.apache.jorphan.math;

import java.util.Map;

import junit.framework.TestCase;

public class TestStatCalculator extends TestCase {

    private StatCalculatorLong calc;

    /**
     * 
     */
    public TestStatCalculator() {
        super();
    }

    public TestStatCalculator(String arg0) {
        super(arg0);
    }

    @Override
    public void setUp() {
        calc = new StatCalculatorLong();
    }

    public void testPercentagePoint() throws Exception {
        calc.addValue(10);
        calc.addValue(9);
        calc.addValue(5);
        calc.addValue(6);
        calc.addValue(1);
        calc.addValue(3);
        calc.addValue(8);
        calc.addValue(2);
        calc.addValue(7);
        calc.addValue(4);
        assertEquals(10, calc.getCount());
        assertEquals(9, calc.getPercentPoint(0.8999999).intValue());
    }
    public void testCalculation() {
        assertEquals(Long.MIN_VALUE, calc.getMax().longValue());
        assertEquals(Long.MAX_VALUE, calc.getMin().longValue());
        calc.addValue(18);
        calc.addValue(10);
        calc.addValue(9);
        calc.addValue(11);
        calc.addValue(28);
        calc.addValue(3);
        calc.addValue(30);
        calc.addValue(15);
        calc.addValue(15);
        calc.addValue(21);
        assertEquals(16, (int) calc.getMean());
        assertEquals(8.0622577F, (float) calc.getStandardDeviation(), 0F);
        assertEquals(30, calc.getMax().intValue());
        assertEquals(3, calc.getMin().intValue());
        assertEquals(15, calc.getMedian().intValue());
    }
    public void testLong(){
        calc.addValue(0L);
        calc.addValue(2L);
        calc.addValue(2L);
        final Long long0 = Long.valueOf(0);
        final Long long2 = Long.valueOf(2);
        assertEquals(long2,calc.getMax());
        assertEquals(long0,calc.getMin());
        Map<Number, Number[]> map = calc.getDistribution();
        assertTrue(map.containsKey(long0));
        assertTrue(map.containsKey(long2));
    }
    
    public void testInteger(){
        StatCalculatorInteger calci = new StatCalculatorInteger();
        assertEquals(Integer.MIN_VALUE, calci.getMax().intValue());
        assertEquals(Integer.MAX_VALUE, calci.getMin().intValue());
        calci.addValue(0);
        calci.addValue(2);
        calci.addValue(2);
        assertEquals(Integer.valueOf(2),calci.getMax());
        assertEquals(Integer.valueOf(0),calci.getMin());
        Map<Number, Number[]> map = calci.getDistribution();
        assertTrue(map.containsKey(Integer.valueOf(0)));
        assertTrue(map.containsKey(Integer.valueOf(2)));
    }
}