/**
* Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
* contributors
*
* This file is part of EvoSuite.
*
* EvoSuite 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 3.0 of the License, or
* (at your option) any later version.
*
* EvoSuite 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 Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*
*/
package org.evosuite.testsuite.secondaryobjectives;
import org.evosuite.ga.SecondaryObjective;
import org.evosuite.testcase.ExecutableChromosome;
import org.evosuite.testsuite.TestSuiteChromosome;
/**
* <p>MinimizeExceptionsSecondaryObjective class.</p>
*
* @author Gordon Fraser
*/
public class MinimizeExceptionsSecondaryObjective extends SecondaryObjective<TestSuiteChromosome> {
private static final long serialVersionUID = -4405276303273532040L;
private int getNumExceptions(TestSuiteChromosome chromosome) {
int sum = 0;
for (ExecutableChromosome test : chromosome.getTestChromosomes()) {
if (test.getLastExecutionResult() != null)
sum += test.getLastExecutionResult().getNumberOfThrownExceptions();
}
return sum;
}
/* (non-Javadoc)
* @see org.evosuite.ga.SecondaryObjective#compareChromosomes(org.evosuite.ga.Chromosome, org.evosuite.ga.Chromosome)
*/
/** {@inheritDoc} */
@Override
public int compareChromosomes(TestSuiteChromosome chromosome1, TestSuiteChromosome chromosome2) {
return getNumExceptions(chromosome1) - getNumExceptions(chromosome2);
}
/* (non-Javadoc)
* @see org.evosuite.ga.SecondaryObjective#compareGenerations(org.evosuite.ga.Chromosome, org.evosuite.ga.Chromosome, org.evosuite.ga.Chromosome, org.evosuite.ga.Chromosome)
*/
/** {@inheritDoc} */
@Override
public int compareGenerations(TestSuiteChromosome parent1, TestSuiteChromosome parent2,
TestSuiteChromosome child1, TestSuiteChromosome child2) {
return Math.min(getNumExceptions(parent1), getNumExceptions(parent2))
- Math.min(getNumExceptions(child1), getNumExceptions(child2));
}
}