public void ElitismStrategy_GetElitistGeneticEntities_NullPopulation()
{
MockElitismStrategy strategy = new MockElitismStrategy();
strategy.Initialize(GetGeneticAlgorithm(.1));
Assert.Throws <ArgumentNullException>(() => strategy.GetEliteEntities(null));
}
public async Task ElitismStrategy_GetElitistGeneticEntities()
{
double elitismRatio = .1;
int totalGeneticEntities = 100;
GeneticAlgorithm algorithm = GetGeneticAlgorithm(elitismRatio);
await algorithm.InitializeAsync();
MockPopulation population = new MockPopulation();
population.Initialize(algorithm);
for (int i = 0; i < totalGeneticEntities; i++)
{
MockEntity entity = new MockEntity();
entity.Initialize(algorithm);
population.Entities.Add(entity);
}
algorithm.Environment.Populations.Add(population);
MockElitismStrategy strategy = (MockElitismStrategy)algorithm.ElitismStrategy;
strategy.Initialize(algorithm);
IList <GeneticEntity> geneticEntities = strategy.GetEliteEntities(population);
Assert.Equal(Convert.ToInt32(Math.Round(elitismRatio * totalGeneticEntities)), geneticEntities.Count);
}
public void ElitismStrategy_Serialization()
{
MockElitismStrategy strategy = new MockElitismStrategy();
strategy.ElitistRatio = 0.3;
MockElitismStrategy result = (MockElitismStrategy)SerializationHelper.TestSerialization(strategy, new Type[0]);
Assert.Equal(0.3, result.ElitistRatio);
}
public void ElitismStrategy_GetElitistGeneticEntities_EmptyPopulation()
{
GeneticAlgorithm algorithm = GetGeneticAlgorithm(.1);
MockElitismStrategy strategy = new MockElitismStrategy();
strategy.Initialize(algorithm);
MockPopulation pop = new MockPopulation();
pop.Initialize(algorithm);
Assert.Throws <ArgumentException>(() => strategy.GetEliteEntities(pop));
}
public void ElitismStrategy_Ctor_InvalidSetting2()
{
MockElitismStrategy strategy = new MockElitismStrategy();
Assert.Throws <ValidationException>(() => strategy.ElitistRatio = -1);
}
public void ElitismStrategy_Ctor_NullAlgorithm()
{
MockElitismStrategy strategy = new MockElitismStrategy();
Assert.Throws <ArgumentNullException>(() => strategy.Initialize(null));
}
