public void CreateInitialGeneration_AdamChromosomeCreateNewNull_Exception()
{
var population = new Population(2, 2, MockRepository.GenerateStub<ChromosomeBase>(4));
ExceptionAssert.IsThrowing(new InvalidOperationException("The Adam chromosome's 'CreateNew' method generated a null chromosome. This is a invalid behavior, please, check your chromosome code."), () =>
{
population.CreateInitialGeneration();
});
}
public void EndCurrentGeneration_BestChromosomeChanged_ChangeEventRaise()
{
var target = new Population(2, 2, new ChromosomeStub());
var eventRaise = false;
target.BestChromosomeChanged += (e, a) =>
{
eventRaise = true;
};
target.CreateInitialGeneration();
target.CurrentGeneration.Chromosomes.Each(c => c.Fitness = 1);
target.CurrentGeneration.BestChromosome = target.CurrentGeneration.Chromosomes[0];
target.EndCurrentGeneration();
Assert.IsTrue(eventRaise);
}
public void RegisterNewGeneration_AnyGeneration_DoNothing()
{
var target = new TrackingGenerationStrategy();
var population = new Population(2, 6, new ChromosomeStub());
population.CreateInitialGeneration();
target.RegisterNewGeneration(population);
Assert.AreEqual(1, population.Generations.Count);
population.CreateNewGeneration(new List<IChromosome>() { new ChromosomeStub(), new ChromosomeStub() });
target.RegisterNewGeneration(population);
Assert.AreEqual(2, population.Generations.Count);
population.CreateNewGeneration(new List<IChromosome>() { new ChromosomeStub(), new ChromosomeStub() });
target.RegisterNewGeneration(population);
Assert.AreEqual(3, population.Generations.Count);
population.CreateNewGeneration(new List<IChromosome>() { new ChromosomeStub(), new ChromosomeStub() });
target.RegisterNewGeneration(population);
Assert.AreEqual(4, population.Generations.Count);
}
public void RegisterNewGeneration_GenerationExceedGenerationsNumber_RemoveOldOne()
{
var target = new PerformanceGenerationStrategy();
var population = new Population(2, 6, new ChromosomeStub());
population.CreateInitialGeneration();
target.RegisterNewGeneration(population);
Assert.AreEqual(1, population.Generations.Count);
population.CreateNewGeneration(new List<IChromosome>() { new ChromosomeStub(), new ChromosomeStub() });
target.RegisterNewGeneration(population);
Assert.AreEqual(1, population.Generations.Count);
population.CreateNewGeneration(new List<IChromosome>() { new ChromosomeStub(), new ChromosomeStub() });
target.RegisterNewGeneration(population);
Assert.AreEqual(1, population.Generations.Count);
population.CreateNewGeneration(new List<IChromosome>() { new ChromosomeStub(), new ChromosomeStub() });
target.RegisterNewGeneration(population);
Assert.AreEqual(1, population.Generations.Count);
}
