#include "boost/date_time/gregorian/gregorian.hpp"
#include "boost/date_time/posix_time/posix_time.hpp"
#include <iostream>
#include <string>

using namespace boost::posix_time;

int main()
{
    // invalid date that contains spaces instead of valid '-' delimiters
    std::string bad = "2004 Nov 23 15:00";

    ptime time = time_from_string(bad);
    // result: assertion failed at file boost/token_iterator.hpp line 59.

    std::cout << "okay\n";
}