public void SinglePointCrossoverOperator_GenerateCrossover_NullParents()
{
SinglePointCrossoverOperator op = new SinglePointCrossoverOperator();
PrivateObject accessor = new PrivateObject(op);
Assert.Throws <ArgumentNullException>(() => accessor.Invoke("GenerateCrossover", (IList <GeneticEntity>)null));
}
public void SinglePointCrossoverOperator_Validation_WithoutListEntityBase()
{
SinglePointCrossoverOperator op = new SinglePointCrossoverOperator();
MockGeneticAlgorithm algorithm = new MockGeneticAlgorithm
{
GeneticEntitySeed = new MockEntity()
};
op.Initialize(algorithm);
Assert.Throws <ValidationException>(() => op.Validate());
}
public void SinglePointCrossoverOperator_Validation_WithListEntityBase()
{
SinglePointCrossoverOperator op = new SinglePointCrossoverOperator();
MockGeneticAlgorithm algorithm = new MockGeneticAlgorithm
{
GeneticEntitySeed = new IntegerListEntity()
};
op.Initialize(algorithm);
op.Validate();
}
public void SinglePointCrossoverOperator_GenerateCrossover_DifferentLength()
{
MockGeneticAlgorithm algorithm = new MockGeneticAlgorithm
{
PopulationSeed = new MockPopulation(),
SelectionOperator = new MockSelectionOperator(),
FitnessEvaluator = new MockFitnessEvaluator(),
CrossoverOperator = new SinglePointCrossoverOperator
{
CrossoverRate = 1
},
GeneticEntitySeed = new BinaryStringEntity
{
MinimumStartingLength = 4,
MaximumStartingLength = 4
}
};
algorithm.GeneticEntitySeed.Initialize(algorithm);
SinglePointCrossoverOperator op = new SinglePointCrossoverOperator {
CrossoverRate = 1
};
op.Initialize(algorithm);
BinaryStringEntity entity1 = (BinaryStringEntity)algorithm.GeneticEntitySeed.CreateNewAndInitialize();
entity1.Length = 5;
entity1[0] = true;
entity1[1] = false;
entity1[2] = false;
entity1[3] = true;
entity1[4] = true;
BinaryStringEntity entity2 = (BinaryStringEntity)algorithm.GeneticEntitySeed.CreateNewAndInitialize();
entity2.Initialize(algorithm);
entity2[0] = true;
entity2[1] = true;
entity2[2] = false;
entity2[3] = false;
TestRandomUtil randomUtil = new TestRandomUtil();
RandomNumberService.Instance = randomUtil;
randomUtil.RandomVal = 1;
IList <GeneticEntity> result = op.Crossover(new GeneticEntity[] { entity1, entity2 }).ToList();
BinaryStringEntity resultEntity1 = (BinaryStringEntity)result[0];
BinaryStringEntity resultEntity2 = (BinaryStringEntity)result[1];
Assert.Equal("1100", resultEntity1.Representation);
Assert.Equal("10011", resultEntity2.Representation);
randomUtil.RandomVal = 3;
result = op.Crossover(new GeneticEntity[] { entity1, entity2 }).ToList();
resultEntity1 = (BinaryStringEntity)result[0];
resultEntity2 = (BinaryStringEntity)result[1];
Assert.Equal("1000", resultEntity1.Representation);
Assert.Equal("11011", resultEntity2.Representation);
}