/*
* -----------------------------------------------------------------------\
* PerfCake
*
* Copyright (C) 2010 - 2016 the original author or authors.
*
* 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 org.perfcake.reporting.reporter.accumulator.weighted;
import org.testng.Assert;
import org.testng.annotations.Test;
/**
* @author <a href="mailto:marvenec@gmail.com">Martin Večeřa</a>
*/
public class WeightedHarmonicMeanAccumulatorTest {
@Test
public void testWeightedHarmonicMeanAccumulator() {
final WeightedHarmonicMeanAccumulator wma = new WeightedHarmonicMeanAccumulator();
wma.add(new WeightedValue<>(1d, 3L));
wma.add(new WeightedValue<>(2d, 4L));
wma.add(new WeightedValue<>(3d, 5L));
Assert.assertEquals(wma.getResult(), new WeightedValue<>(
(3L + 4L + 5L) / ((3L / 1d) + (4L / 2d) + (5L / 3d)), 1L));
wma.reset();
Assert.assertEquals(wma.getResult(), new WeightedValue<>(Double.NaN, 1L));
}
}