public void UniformBitMutationOperator_GenerateMutation_NullEntity()
{
UniformBitMutationOperator op = new UniformBitMutationOperator();
PrivateObject accessor = new PrivateObject(op);
Assert.Throws <ArgumentNullException>(() => accessor.Invoke("GenerateMutation", (GeneticEntity)null));
}
public async Task UniformBitMutationOperator_Mutate()
{
MockGeneticAlgorithm algorithm = new MockGeneticAlgorithm
{
PopulationSeed = new MockPopulation(),
SelectionOperator = new MockSelectionOperator(),
FitnessEvaluator = new MockFitnessEvaluator2(),
GeneticEntitySeed = new BinaryStringEntity
{
MinimumStartingLength = 4,
MaximumStartingLength = 4
},
MutationOperator = new UniformBitMutationOperator
{
MutationRate = 1
}
};
await algorithm.InitializeAsync();
UniformBitMutationOperator op = new UniformBitMutationOperator {
MutationRate = 1
};
op.Initialize(algorithm);
BinaryStringEntity entity = new BinaryStringEntity {
MinimumStartingLength = 4, MaximumStartingLength = 4
};
entity.Age = 10;
entity.Initialize(algorithm);
entity[0] = true;
entity[1] = true;
entity[2] = false;
entity[3] = true;
GeneticEntity mutant = op.Mutate(entity);
Assert.Equal("0010", mutant.Representation);
Assert.Equal(0, mutant.Age);
}
