ostringstream os;
os << (5) << endl << ("red belt") << endl;
{
    ostringstream os;
    os << "os.str()" << " != " << "\"5\\nred belt\\n\"" << ", " << "print_values.cpp" << ":" << 15;
    AssertEqual(os.str(), "5\nred belt\n", os.str());
};