public async Task GeneticEntityCollectionExtensions_GetEntitiesSortedByFitness_SortScaledMinimize()
{
TestEntity testEntity1 = new TestEntity {
TestFitnessValue = 1
};
TestEntity testEntity2 = new TestEntity {
TestFitnessValue = 3
};
TestEntity testEntity3 = new TestEntity {
TestFitnessValue = 2
};
List <GeneticEntity> entities = new List <GeneticEntity>
{
testEntity1,
testEntity2,
testEntity3,
};
MockGeneticAlgorithm algorithm = new MockGeneticAlgorithm
{
FitnessEvaluator = new TestFitnessEvalutor()
};
foreach (GeneticEntity entity in entities)
{
entity.Initialize(algorithm);
await entity.EvaluateFitnessAsync();
}
testEntity1.ScaledFitnessValue = 3;
testEntity2.ScaledFitnessValue = 1;
testEntity3.ScaledFitnessValue = 2;
List <GeneticEntity> results = GeneticEntityCollectionExtensions.GetEntitiesSortedByFitness(entities, FitnessType.Scaled, FitnessEvaluationMode.Minimize).ToList();
Assert.Equal(3, results.Count);
Assert.Same(testEntity1, results[0]);
Assert.Same(testEntity3, results[1]);
Assert.Same(testEntity2, results[2]);
}
public void GeneticEntityCollectionExtensions_GetEntitiesSortedByFitness_InvalidFitnessEvaluationMode()
{
Assert.Throws <ArgumentException>(() => GeneticEntityCollectionExtensions.GetEntitiesSortedByFitness(new GeneticEntity[0], FitnessType.Raw, (FitnessEvaluationMode)5));
}
public void GeneticEntityCollectionExtensions_GetEntitiesSortedByFitness_NullCollection()
{
Assert.Throws <ArgumentNullException>(() => GeneticEntityCollectionExtensions.GetEntitiesSortedByFitness(null, FitnessType.Raw, FitnessEvaluationMode.Maximize));
}
