#include<iostream>
using namespace std;


int main(){

    for (int i=0; i<6 ; i++){

        switch(i){
            case 1: std::cout << "switch = 1" << std::endl; break;
            case 2: std::cout << "switch = 2" << std::endl; break;
            case 3: std::cout << "switch = 3" << std::endl; break;
            case 4: std::cout << "switch = 4" << std::endl; break;
            default: std::cout << "out of switch range" << std::endl;
        }
    }
  return 0;
}

$ !.
./a.exe
out of switch range
switch = 1
switch = 2
switch = 3
switch = 4
out of switch range