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- // Copyright 2017 Peter Dimov.
- //
- // Distributed under the Boost Software License, Version 1.0.
- //
- // See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt
- // See library home page at http://www.boost.org/libs/program_options
- #include <boost/program_options.hpp>
- #include <boost/core/lightweight_test.hpp>
- namespace po = boost::program_options;
- int main( int argc, char const* argv[] )
- {
- po::options_description desc( "Allowed options" );
- desc.add_options()
- ( "path,p", po::value<std::string>(), "set initial path" )
- ;
- po::variables_map vm;
- try
- {
- po::store( po::parse_command_line( argc, argv, desc ), vm );
- po::notify( vm );
- }
- catch( std::exception const & x )
- {
- std::cerr << "Error: " << x.what() << std::endl;
- return 1;
- }
- std::string p;
- if( vm.count( "path" ) )
- {
- p = vm[ "path" ].as<std::string>();
- }
- std::string expected( "initial" );
- BOOST_TEST_EQ( p, expected );
- return boost::report_errors();
- }
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