Gestione file testo in C++

#include <fstream>
#include <iostream>
#include <string>

using namespace std;

int main()
{
   
ofstream file_testo;

file_testo.open("file_testo.txt",ios_base::out|ios_base::trunc);
file_testo << "Prova 1" << endl;
file_testo << "Prova 2" << endl;
file_testo.close();

ifstream file_testo_input;
string stringa;

file_testo_input.open("file_testo.txt",ios_base::in);
if (file_testo_input.is_open())
   {
   while (file_testo_input.good())
         {
         getline(file_testo_input,stringa);
         cout << stringa << endl;
         }
   }
file_testo_input.close();

return 0;
}