public void RateFitnessOfRandomIndividuals()
{
const int tests = 3;
for (int n = 0; n < tests; n++)
{
var backPack = new BackPack(volume: random.Next(10000));
var items = RandomItems(random.Next(512), backPack.Volume, 100);
var environment = new BackPackEnvironment(backPack, items);
for (int i = 0; i <= items.Count; i++)
{
// compute chromosome
var chromosome = new int[environment.ComputeGenomeSize()];
// set every bit that encodes an Item at an index j < i
for (int j = 0; j < i; j++)
{
ChromosomeIndex index = environment.ComputeChromosomeIndex(j);
IntBitHelper.Set(ref chromosome[index.IntIndex], index.BitIndex);
}
var individual = new BackPackIndividual(environment)
{ Genome = new BackPackIndividualGenome(chromosome) };
// compute fitness with Item-List
double fitness = 0.0;
for (int j = 0; j < i; j++)
{
fitness += items[j].Value;
}
Assert.AreEqual(fitness, environment.RateFitness(individual));
}
}
}
