public void CreateGene_Successful()
{
const string source = @"
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;
namespace ConsoleApplication1
{
class Calculations
{
double CalculateTotal(int quantity, int itemPrice)
{
double basePrice = quantity * itemPrice;
if (basePrice > 1000)
{
return basePrice * 0.95;
}
else
{
return basePrice * 0.98;
}
}
}
}";
var factory = new RefactoringChromosome(3, source);
var chromosome = factory.GenerateGene(0);
Assert.IsNotNull(chromosome);
}
public void LinesOfCode()
{
const string source = @"
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;
namespace ConsoleApplication1
{
class Calculations
{
double CalculateTotal(int quantity, int itemPrice)
{
double basePrice = quantity * itemPrice;
if (basePrice > 1000)
{
return basePrice * 0.95;
}
else
{
return basePrice * 0.98;
}
}
}
}";
var selection = new EliteSelection();
var crossover = new OrderedCrossover();
var mutation = new ReverseSequenceMutation();
var fitness = new MetricsFitness <LinesOfCodeMetrics>();
var chromosome = new RefactoringChromosome(3, source);
var population = new Population(20, 30, chromosome);
var ga = new GeneticAlgorithm(population, fitness, selection, crossover, mutation)
{
Termination = new GenerationNumberTermination(50)
};
ga.Start();
Assert.IsNotNull(ga.BestChromosome.Fitness);
TestContext.WriteLine($"Best fitness is {ga.BestChromosome.Fitness} and source looks like: \n {ga.BestChromosome}");
}
public void CreateGene_OutOfBound()
{
const string source = @"
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;
namespace ConsoleApplication1
{
class Calculations
{
double CalculateTotal(int quantity, int itemPrice)
{
double basePrice = quantity * itemPrice;
if (basePrice > 1000)
{
return basePrice * 0.95;
}
else
{
return basePrice * 0.98;
}
}
}
}";
var factory = new RefactoringChromosome(3, source);
foreach (var i in Enumerable.Range(0, 30))
{
var gene = factory.GenerateGene(i);
Assert.IsNotNull(gene);
}
}
