public void WhenNextGenerationCreated_PopulationSizeShouldNotChange()
{
TestEvaluator <int> evaluator = new TestEvaluator <int> ();
Engine <int> engine = new Engine <int> (evaluator);
engine.Setup();
int population = engine.Population.PopulationSize;
Population <int> nextGen = engine.ExecuteOneGeneration();
Assert.AreEqual(population, nextGen.PopulationSize);
}
public void WhenNextGenerationCreated_GenomeLengthShouldNotChange()
{
TestEvaluator <int> evaluator = new TestEvaluator <int> ();
Engine <int> engine = new Engine <int> (evaluator);
engine.Setup();
int genomeLength = engine.Population.Individuals[0].GenomeLength;
Population <int> nextGen = engine.ExecuteOneGeneration();
Assert.AreEqual(genomeLength, nextGen.Individuals[0].GenomeLength);
}
public void WhenNextGenerationCreated_FullMutation_FittestShouldBeFullyMutated()
{
TestEvaluator <int> evaluator = new TestEvaluator <int> (
(i) => {
if (i.Code [0] == 0)
{
return(0d);
}
return(.5d);
}
);
Engine <int> engine = new Engine <int> (evaluator);
engine.Setup();
engine.Population.Individuals.For((ind, i) => {
ind.Code [0] = i < 2 ? 1 : 0;
});
ConfigurationProvider.Mutation.ChanceOfMutation = 1d;
int[] first = new int[engine.Population[0].GenomeLength];
int[] second = new int[engine.Population [0].GenomeLength];
engine.Population [0].Code.CopyTo(first, 0);
engine.Population [1].Code.CopyTo(second, 0);
Population <int> population = engine.ExecuteOneGeneration();
Assert.IsFalse(FoundMatch(new List <int[]> {
first, second
}, population[0]));
Assert.IsFalse(FoundMatch(new List <int[]> {
first, second
}, population[1]));
}
public void WhenNextGenerationCreated_NextGenShouldBeDifferentToInitialGeneration()
{
TestEvaluator <int> evaluator = new TestEvaluator <int> (
(i) => {
if (i.Code [0] == 0)
{
return(0d);
}
return(.5d);
}
);
Engine <int> engine = new Engine <int> (evaluator);
engine.Setup();
engine.Population.Individuals.For((ind, i) => {
ind.Code [0] = i < 2 ? 1 : 0;
});
ConfigurationProvider.Mutation.ChanceOfMutation = 0d;
int[] third = new int[engine.Population[0].GenomeLength];
int[] fourth = new int[engine.Population [0].GenomeLength];
engine.Population [2].Code.CopyTo(third, 0);
engine.Population [3].Code.CopyTo(fourth, 0);
Population <int> population = engine.ExecuteOneGeneration();
Assert.IsFalse(FoundMatch(new List <int[]> {
third, fourth
}, population[2]));
Assert.IsFalse(FoundMatch(new List <int[]> {
third, fourth
}, population[3]));
}