| // 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; |
| } |
| |