public void TestSelectionWithMinimizing()
{
var offspring = new Population(2);
var population = new Population(2);
var o0 = new P("o0", 1.0);
offspring.Add(o0);
var o1 = new P("o1", 0.0);
offspring.Add(o1);
var p0 = new P("p0", 1.0);
population.Add(p0);
var p1 = new P("p1", 0.0);
population.Add(p1);
var genmix = new GenerationalMixingAdultSelection(new DefaultRandomNumberGenerator());
genmix.SelectAdults(offspring, population, 2, EAMode.MinimizeFitness);
Assert.IsFalse(population.Contains(o0));
Assert.IsTrue(population.Contains(o1));
Assert.IsFalse(population.Contains(p0));
Assert.IsTrue(population.Contains(p1));
}
public void TestSelectionWithWrongN()
{
var offspring = new Population(2);
var population = new Population(2);
var o0 = new P("o0", 1.0);
offspring.Add(o0);
var o1 = new P("o1", 0.0);
offspring.Add(o1);
var p0 = new P("p0", 1.0);
population.Add(p0);
var p1 = new P("p1", 0.0);
population.Add(p1);
var genmix = new GenerationalMixingAdultSelection(new DefaultRandomNumberGenerator());
genmix.Invoking(g => g.SelectAdults(offspring, population, 3, EAMode.MaximizeFitness))
.Should().Throw <InvalidOperationException>();
}
