// File: SimpleIO.cpp
// Example of catching exception
// Array access out of bounds...

#include <iostream>
#include <exception>

using namespace std;

void readInt(int &n) throw (string)
{ cin >> n; 
  if (cin.fail()) 
    throw(string)"user input locked up cin stream";
}

int main()
{ int n;
  cout << "Enter an int...Enter something else to test exception handling >";
  cout.flush();
  bool ok=false;
  while (!ok) {
    try {
      readInt(n);
      ok=true;
    }
    catch (ios_base::failure) {
      cin.clear();
      cerr << "Bad input detected: " << endl;
    }
    catch (int exNum) {
      cin.clear();
      cerr << "Bad input detected: " << exNum << endl;
    }
    catch (string s) {
      cerr << s << endl;
    }
    catch (...) {
      cerr << "General exception...\n";
    }
    cin.clear();
  }
  cout << "You entered " << n << endl;
}