public void RenewPopulation_EngineNotStated_ThrowException()
{
var engine =
new TestGeneticSearchEngineBuilder(2, 4, new TestPopulationManager(new double[] { 2, 2 })).Build();
engine.RenewPopulation(0.5);
Assert.Fail("Should have thrown an exception by now");
}
public void RenewPopulation_BedPercentage_ThrowException(double percentage)
{
var engine =
new TestGeneticSearchEngineBuilder(2, 4, new TestPopulationManager(new double[] { 2, 2 })).Build();
engine.Next();
engine.RenewPopulation(percentage);
Assert.Fail("Should have thrown an exception by now");
}
public void RenewPopulation_EngineRunning_ThrowException()
{
using (var engine =
new TestGeneticSearchEngineBuilder(2, int.MaxValue, new TestPopulationManager(new double[] { 2, 2 })).Build())
{
Task.Run(() => engine.Run());
Thread.Sleep(50); // Give the eingine some time to start
engine.RenewPopulation(0.5);
Assert.Fail("Should have thrown an exception by now");
}
}
public void RenewPercantagePopulation_PercentageRenewed(double percent)
{
var populationManager = new TestPopulationManager(new double[] { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 });
populationManager.SetPopulationGenerated(new[] { new double[] { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 } });
var engine =
new TestGeneticSearchEngineBuilder(10, int.MaxValue, populationManager).Build();
engine.Next();
var result = engine.RenewPopulation(percent);
var threeCounters = result.Population.Count(chromosme => chromosme.Evaluation == 3);
Assert.AreEqual(percent * 10, threeCounters);
}
public void RenewPopulation_CheckPopulationRenewedSentToNextGeneration()
{
var populationManager = new TestPopulationManager(new double[] { 2, 2 }, c => c.Evaluate() + 1);
populationManager.SetPopulationGenerated(new[] { new double[] { 3, 3 } });
var engine =
new TestGeneticSearchEngineBuilder(2, int.MaxValue, populationManager).Build();
engine.Next();
engine.RenewPopulation(1);
var result = engine.Next();
foreach (var chromosme in result.Population)
{
Assert.AreEqual(4, chromosme.Evaluation);
}
}