public void FlipBit_Index_ValueFlip()
{
var target = new BinaryChromosomeStub(2);
target.ReplaceGenes(0, new Gene[] {
new Gene(0), new Gene(1)
});
Assert.AreEqual("01", target.ToString());
target.FlipGene(0);
Assert.AreEqual("11", target.ToString());
target.FlipGene(1);
Assert.AreEqual("10", target.ToString());
}
public void Mutate_NoArgs_BitMutated()
{
RandomizationProvider.Current = Substitute.For <IRandomization>();
RandomizationProvider.Current.GetInt(0, 3).Returns(1);
var target = new FlipBitMutation();
var chromosome = new BinaryChromosomeStub(3);
chromosome.ReplaceGenes(0, new Gene[]
{
new Gene(0),
new Gene(0),
new Gene(0)
});
target.Mutate(chromosome, 1);
Assert.AreEqual(0, chromosome.GetGene(0).Value);
Assert.AreEqual(1, chromosome.GetGene(1).Value);
Assert.AreEqual(0, chromosome.GetGene(2).Value);
}
public void GenerateGene_Index_ZeroOrOne()
{
var chromosomes = new List <BinaryChromosomeBase> ();
for (int i = 0; i < 100; i++)
{
var target = new BinaryChromosomeStub(2);
var gene0 = target.GenerateGene(0);
Assert.IsInstanceOf <int> (gene0.Value);
var gene1 = target.GenerateGene(1);
Assert.IsInstanceOf <int> (gene1.Value);
target.ReplaceGenes(0, new Gene[] { gene0, gene1 });
chromosomes.Add(target);
}
Assert.IsTrue(chromosomes.Any(c => c.GetGenes().Any(g => ((int)g.Value) == 0)));
}
public void Mutate_NoArgs_BitMutated()
{
RandomizationProvider.Current = MockRepository.GenerateMock <IRandomization>();
RandomizationProvider.Current.Expect(r => r.GetInt(0, 3)).Return(1);
var target = new FlipBitMutation();
var chromosome = new BinaryChromosomeStub(3);
chromosome.ReplaceGenes(0, new Gene[]
{
new Gene(0),
new Gene(0),
new Gene(0)
});
target.Mutate(chromosome, 1);
Assert.AreEqual(0, chromosome.GetGene(0).Value);
Assert.AreEqual(1, chromosome.GetGene(1).Value);
Assert.AreEqual(0, chromosome.GetGene(2).Value);
RandomizationProvider.Current.VerifyAllExpectations();
}
