C++ Notes: Exception Test

// exceptions/exception-test.cpp - Test exceptions.
// 2004-02-10 - Fred Swartz

//==================================== includes
#include <iostream>
#include <stdexcept>
#include <string>
using namespace std;

//================================================ prototypes
void generateException(int whichException);

//====================================================== main
int main() {
    for (int i=1; ; i++) {  // Loop forever
        try {
            cout << i;
            generateException(i);
        } catch (out_of_range orex) {
            cout << "    Catching: out_of_range "<< orex.what() << endl;
        } catch (const char* mess) {
            cout << "    Catching: const char* " << mess << endl;
        } catch (string smess) {
            cout << "    Catching: string " << smess << endl;
        } catch (int iex) {
            cout << "    Catching: int " << iex << endl;
        } catch (runtime_error rex) {
            cout << "    Catching: runtime_error " << rex.what() << endl;
        } catch (exception eex) {
            cout << "    Catching: " << eex.what() << endl;
        } catch (...) {
            cout << "    ERROR: Nobody caught this!" << endl;
        }
    }            

    system("PAUSE");   // Keep Dev-C++ window open
    return 0;
}

//========================================= generateException
void generateException(int whichException) {
    switch (whichException) {
        
    case 1:
        cout << "  Throwing out_of_range()" << endl;
        throw out_of_range("out_of_range meaningful comment");
        break;
        
    case 2:
        cout << "  Throwing exception()   // Can't specify comment" << endl;
        throw exception();  // Doesn't take comment text.
        break;
        
    case 3:
        cout << "  Throwing underflow_error  // caught by base class (runtime_error)" << endl;
        throw underflow_error("underflow_error");
        break;
        
    case 4:
        cout << "  Throwing runtime_error" << endl;
        throw runtime_error("a comment");
        break;
        
    case 5:
        cout << "  Throwing length_error   // caught be super-super-class (exception)" << endl;
        throw length_error("length_error");
        break;
        
    case 6:
        cout << "  Throwing int" << endl;
        throw 26;
        break;
        
    case 7:
        cout << "  Throwing const char*" << endl;
        throw "This is a const char*";
        break;
        
    case 8:
        cout << "  Throwing string" << endl;
        throw string("I'm a string");
        break;
        
    case 9:
        cout << "  Throwing float" << endl;
        throw 3.14159;
        break;
        
    default:
        cout << "  Throwing up" << endl;
        system("PAUSE");
        exit(0);
    }
    return;

}