MOEAFramework-2.11.test.org.moeaframework.analysis.sensitivity.EpsilonHelperTest Maven / Gradle / Ivy
/* Copyright 2009-2016 David Hadka
*
* This file is part of the MOEA Framework.
*
* The MOEA Framework is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* The MOEA Framework is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the MOEA Framework. If not, see .
*/
package org.moeaframework.analysis.sensitivity;
import org.junit.Assert;
import org.junit.Test;
import org.moeaframework.TestUtils;
import org.moeaframework.core.EpsilonBoxDominanceArchive;
import org.moeaframework.core.NondominatedPopulation;
import org.moeaframework.core.spi.ProblemFactory;
/**
* Tests the {@link EpsilonHelper} class.
*/
public class EpsilonHelperTest {
@Test
public void testConvertNoEpsilons() {
NondominatedPopulation population =
ProblemFactory.getInstance().getReferenceSet("DTLZ2_2");
EpsilonBoxDominanceArchive expected =
new EpsilonBoxDominanceArchive(0.1, population);
EpsilonBoxDominanceArchive actual =
EpsilonHelper.convert(population, new double[] { 0.1 });
TestUtils.assertEquals(expected, actual);
TestUtils.assertEquals(0.1, actual.getComparator().getEpsilon(0));
}
@Test
public void testConvertDifferentEpsilons() {
NondominatedPopulation population = new EpsilonBoxDominanceArchive(0.1,
ProblemFactory.getInstance().getReferenceSet("DTLZ2_2"));
EpsilonBoxDominanceArchive actual =
EpsilonHelper.convert(population, new double[] { 0.25 });
Assert.assertNotSame(actual, population);
TestUtils.assertEquals(0.25, actual.getComparator().getEpsilon(0));
}
@Test
public void testConvertSameEpsilons() {
NondominatedPopulation population = new EpsilonBoxDominanceArchive(0.1,
ProblemFactory.getInstance().getReferenceSet("DTLZ2_2"));
EpsilonBoxDominanceArchive actual =
EpsilonHelper.convert(population, new double[] { 0.1 });
Assert.assertSame(actual, population);
TestUtils.assertEquals(0.1, actual.getComparator().getEpsilon(0));
}
}