private double test_function(Node n)
{
double fitness = 0;
foreach (var value in _values)
{
variableSetVisitor.SetVariable(n, "A", value[0]);
variableSetVisitor.SetVariable(n, "B", value[1]);
evalVisitor.VisitNode(n);
fitness -= Math.Abs(value[2] - evalVisitor.Result);
}
return(fitness);
}
public void test_evaluation_with_var(string text, double expectedResult)
{
Node n = new Analyser().Analyse(new StringTokenizer(text));
VariableSetVisitor setVisitor = new VariableSetVisitor();
setVisitor.SetVariable(n, "a", 3.0);
EvalVisitor visitor = new EvalVisitor();
visitor.VisitNode(n);
double result = visitor.Result;
Assert.That(result, Is.EqualTo(expectedResult));
}