public void SwapTwoRangeMutation_Mutate_ReturnMutated()
{
var random = new PredeterminedRandom(new double[] { 5, 3, 2, 2 });
var parameterSet = new ParameterSet();
var chromosome = PermutationTestData.CreateTestChromosome1(); //{ 7, 2, 8, 4, 1, 6, 3, 5, 9, 0 }
var mutation = new SwapTwoRangeMutation(random, parameterSet, null);
var result = mutation.Mutate(chromosome);
var expected = new int[] { 7, 2, 6, 3, 5, 1, 8, 4, 9, 0 };
result.Genes.Should().BeEquivalentTo(expected);
}
public void PMXCrossover_Cross_ReturnChildren(int position, int length, int[] expected)
{
var random = new PredeterminedRandom(new double[] { position, length });
var parameterSet = new ParameterSet();
var crossover = new PMXCrossover(random, parameterSet, null);
var parents = PermutationTestData.CreateTestChromosomes();
var children = crossover.Cross(parents[0], parents[1]);
children.Count.Should().Be(2);
((PermutationChromosome)children[0]).Genes.Should().BeEquivalentTo(expected);
}
public void PMXCrossover_CreateGeneMap_GetUniqueValue_ReturnUnique(int position, int expected)
{
var random = new PredeterminedRandom(new double[0]);
var parameterSet = new ParameterSet();
var crossover = new PMXCrossover(random, parameterSet, null);
var chromosomes = PermutationTestData.CreateTestChromosomes();
var range = new GeneRange(3, 4);
var geneMap = crossover.GenerateGeneMap(((PermutationChromosome)chromosomes[0]).Genes, range);
var result = crossover.GetUniqueGeneValue(((PermutationChromosome)chromosomes[1]).Genes, geneMap, position);
result.Should().Be(expected);
}
public void PMXCrossover_CopyWithDuplicationElimination_CopyData(int begin, int end, int[] expected)
{
var random = new PredeterminedRandom(new double[0]);
var parameterSet = new ParameterSet();
var crossover = new PMXCrossover(random, parameterSet, null);
var chromosomes = PermutationTestData.CreateTestChromosomes();
var range = new GeneRange(3, 3);
var geneMap = crossover.GenerateGeneMap(((PermutationChromosome)chromosomes[0]).Genes, range);
var childGenes = new int[((PermutationChromosome)chromosomes[0]).Genes.Length];
var length = end - begin;
crossover.CopyWithDuplicationElimination(((PermutationChromosome)chromosomes[1]).Genes, childGenes, geneMap, begin, end);
var result = new int[length];
Array.Copy(childGenes, begin, result, 0, length);
result.Should().BeEquivalentTo(expected);
}