public void ErrorCalculatriceAst(string s)
{
StringOperations myOper = new StringOperations(s);
myOper.DisplayList();
double?result = myOper.EvalTree();
Assert.IsNull(result);
}
public void TestCalculatriceAst(string s, double r)
{
StringOperations myOper = new StringOperations(s);
myOper.DisplayList();
double?resultNullable = myOper.EvalTree();
Assert.NotNull(resultNullable);
double result = resultNullable.Value;
Console.WriteLine("resultat : " + result);
Assert.IsTrue(Math.Abs(r - result) < 1e-8);
}
