public void MakeGenomeValidDoesNothingForValidGenome()
{
var genomeBuilder = GenomeBuilderTest.CreateGenomeBuilder();
var genome = GenomeBuilderTest.BuildFittingGenome();
var originalGenome = new Genome(genome);
genomeBuilder.MakeGenomeValid(genome);
Assert.True(
new Genome.GeneValueComparator().Equals(originalGenome, genome),
$"Genome should not have changed from {originalGenome} to {genome}.");
}
public void CrossoverWithEqualValuedGenomesGeneratesSameGenome()
{
var genomeBuilder = GenomeBuilderTest.CreateGenomeBuilder();
// Create parents with equal gene values.
var parent1 = GenomeBuilderTest.BuildFittingGenome();
var parent2 = GenomeBuilderTest.BuildFittingGenome();
// Do a crossover and check child's gene values.
var child = genomeBuilder.Crossover(parent1, parent2);
Assert.True(
GenomeBuilderTest.genomeValueComparer.Equals(child, parent1),
$"Crossover of equal valued genomes {parent1} and {parent2} produced child {child} with different values.");
}
public void CreateRandomGenomeCreatesValidGenome()
{
// Create a genome builder.
var genomeBuilder = GenomeBuilderTest.CreateGenomeBuilder();
// For a number of times:
for (int i = 0; i < GenomeBuilderTest.loopCountForRandomTests; i++)
{
// Check that newly created genome is valid.
var genome = genomeBuilder.CreateRandomGenome(age: 2);
Assert.True(
genomeBuilder.IsGenomeValid(genome),
$"Genome {genome} was created by the builder, but not valid.");
}
}
public void ValidateGenomeReturnsFalseForWrongType()
{
// Create a genome builder.
var genomeBuilder = GenomeBuilderTest.CreateGenomeBuilder();
// Create correct genome.
var genome = GenomeBuilderTest.BuildFittingGenome();
Assert.True(genomeBuilder.IsGenomeValid(genome));
// Change a gene s.t. it has the wrong type.
genome.SetGene(GenomeBuilderTest.DiscreteParameter, new Allele <double>(3));
// Check method returns false now.
Assert.False(
genomeBuilder.IsGenomeValid(genome),
$"Genome {genome} was evaluated as valid even if gene 'int' was created as double.");
}
public void ValidateGenomeReturnsFalseForWrongDomain()
{
// Create a genome builder.
var genomeBuilder = GenomeBuilderTest.CreateGenomeBuilder();
// Create correct genome.
var genome = GenomeBuilderTest.BuildFittingGenome();
Assert.True(genomeBuilder.IsGenomeValid(genome));
// Change a gene s.t. it is outside of domain.
genome.SetGene(GenomeBuilderTest.ContinuousParameter, new Allele <double>(0.9));
// Check method returns false now.
Assert.False(
genomeBuilder.IsGenomeValid(genome),
$"Genome {genome} was evaluated as valid even if gene '{GenomeBuilderTest.ContinuousParameter}' was set to 0.9.");
}
