public void UniformIntegerMutationOperator_GenerateMutation_NullEntity()
{
UniformIntegerMutationOperator op = new UniformIntegerMutationOperator();
PrivateObject accessor = new PrivateObject(op);
Assert.Throws <ArgumentNullException>(() => accessor.Invoke("GenerateMutation", (GeneticEntity)null));
}
public void UniformIntegerMutationOperatorTest_Mutate()
{
MockGeneticAlgorithm algorithm = new MockGeneticAlgorithm
{
PopulationSeed = new MockPopulation(),
SelectionOperator = new MockSelectionOperator(),
FitnessEvaluator = new MockFitnessEvaluator(),
GeneticEntitySeed = new IntegerListEntity
{
MinimumStartingLength = 4,
MaximumStartingLength = 4,
MaxElementValue = 2,
MinElementValue = 1
},
MutationOperator = new UniformIntegerMutationOperator
{
MutationRate = 1
}
};
UniformIntegerMutationOperator op = new UniformIntegerMutationOperator {
MutationRate = 1
};
op.Initialize(algorithm);
IntegerListEntity entity = new IntegerListEntity {
MinimumStartingLength = 4, MaximumStartingLength = 4, MaxElementValue = 2, MinElementValue = 1
};
entity.Age = 10;
entity.Initialize(algorithm);
entity[0] = 1;
entity[1] = 1;
entity[2] = 2;
entity[3] = 1;
GeneticEntity mutant = op.Mutate(entity);
Assert.Equal("2, 2, 1, 2", mutant.Representation);
Assert.Equal(0, mutant.Age);
}
