public void ConvertPopulation_PopulationConverted()
{
var newPopulationEvaluation = new double[] { 2, 2, 2 };
var populationManager = new TestPopulationManager(new double[] { 1, 1, 1 });
var engine = new TestGeneticSearchEngineBuilder(3, 10, populationManager).Build();
engine.Next();
var newPopulation = engine.SetCurrentPopulation(newPopulationEvaluation.ToChromosomes("Converted"));
newPopulation.Population.GetChromosomes().AssertHasEvaluation(newPopulationEvaluation);
newPopulation = engine.GetCurrentPopulation();
newPopulation.Population.GetChromosomes().AssertHasEvaluation(newPopulationEvaluation);
}
public void GetCurrentPopulation_EngineRunning_ThrowException()
{
using (var engine =
new TestGeneticSearchEngineBuilder(2, int.MaxValue, new TestPopulationManager(new double[] { 2, 2 })).Build())
{
Task.Run(() => engine.Run());
while (!engine.IsRunning)
{
;
}
engine.GetCurrentPopulation();
Assert.Fail("Should have thrown an exception by now");
}
}
public void ChangeHistoryLastGeneration_AlgorithmPopulationNotChanged()
{
var expectedPopulation = new double[] { 1, 1 };
var engine = new TestGeneticSearchEngineBuilder(2, 10, expectedPopulation).IncludeAllHistory().Build();
var fakeChromosome = ChromosomeFactory.CreateChromosome(10, "ChangedChromosome");
var result = engine.Next();
result.History[result.History.Count - 1][0] = fakeChromosome;
result = engine.GetCurrentPopulation();
foreach (var chromosome in result.Population.GetChromosomes())
{
Assert.AreNotEqual(fakeChromosome, chromosome);
}
}
