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// Copyright Vladimir Prus 2004.
// 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)
#include <boost/program_options/positional_options.hpp>
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/parsers.hpp>
using namespace boost::program_options;
// We'll use po::value everywhere to workaround vc6 bug.
namespace po = boost::program_options;
#include <boost/limits.hpp>
#include "minitest.hpp"
#include <vector>
using namespace std;
void test_positional_options()
{
positional_options_description p;
p.add("first", 1);
BOOST_CHECK_EQUAL(p.max_total_count(), 1u);
BOOST_CHECK_EQUAL(p.name_for_position(0), "first");
p.add("second", 2);
BOOST_CHECK_EQUAL(p.max_total_count(), 3u);
BOOST_CHECK_EQUAL(p.name_for_position(0), "first");
BOOST_CHECK_EQUAL(p.name_for_position(1), "second");
BOOST_CHECK_EQUAL(p.name_for_position(2), "second");
p.add("third", -1);
BOOST_CHECK_EQUAL(p.max_total_count(), (std::numeric_limits<unsigned>::max)());
BOOST_CHECK_EQUAL(p.name_for_position(0), "first");
BOOST_CHECK_EQUAL(p.name_for_position(1), "second");
BOOST_CHECK_EQUAL(p.name_for_position(2), "second");
BOOST_CHECK_EQUAL(p.name_for_position(3), "third");
BOOST_CHECK_EQUAL(p.name_for_position(10000), "third");
}
void test_parsing()
{
options_description desc;
desc.add_options()
("first", po::value<int>())
("second", po::value<int>())
("input-file", po::value< vector<string> >())
("some-other", po::value<string>())
;
positional_options_description p;
p.add("input-file", 2).add("some-other", 1);
vector<string> args;
args.push_back("--first=10");
args.push_back("file1");
args.push_back("--second=10");
args.push_back("file2");
args.push_back("file3");
// Check that positional options are handled.
parsed_options parsed =
command_line_parser(args).options(desc).positional(p).run();
BOOST_REQUIRE(parsed.options.size() == 5);
BOOST_CHECK_EQUAL(parsed.options[1].string_key, "input-file");
BOOST_CHECK_EQUAL(parsed.options[1].value[0], "file1");
BOOST_CHECK_EQUAL(parsed.options[3].string_key, "input-file");
BOOST_CHECK_EQUAL(parsed.options[3].value[0], "file2");
BOOST_CHECK_EQUAL(parsed.options[4].value[0], "file3");
args.push_back("file4");
// Check that excessive number of positional options is detected.
BOOST_CHECK_THROW(command_line_parser(args).options(desc).positional(p)
.run(),
too_many_positional_options_error);
}
int main(int, char* [])
{
test_positional_options();
test_parsing();
return 0;
}
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