Ticket #11891: boost_program_options.cpp

#include <iostream>
#include <stdexcept>
#include <boost/program_options.hpp>

using namespace std;
namespace po = boost::program_options;

int main()
{

    try {
        // Works OK!
        //throw po::validation_error(po::validation_error::invalid_option_value);

        // Doesn't work and throw std::out_of_range exception
        //throw po::validation_error(po::validation_error::invalid_option_value,
                                   //"--test");

        // Doesn't work as above: std::out_of_range exception
        //throw po::validation_error(po::validation_error::invalid_option_value,
                                   //"--test", "");

        // Doesn't work properly. Although it doesn't throw out_of_range
        // exception, the value "abc" is no shown. The output is:
        // "Error: the argument for option 'test' is invalid"
        throw po::validation_error(po::validation_error::invalid_option_value,
                                   "--test", "abc");
    }
    catch(std::exception& e) {
        cerr << "Error: " << e.what() << "\n";
        return -1;
    }
    catch(...) {
        cerr << "Unknown error!" << "\n";
        return -1;
    }

    return 0;
}

// Compiled with g++ -std=c++11 -ggdb boost_program_options.cpp -o test  -L/opt/local/lib -lboost_program_options-mt