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- // 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.hpp>
- namespace po = boost::program_options;
- #include <boost/optional.hpp>
- #include <string>
- #include "minitest.hpp"
- std::vector<std::string> sv(const char* array[], unsigned size)
- {
- std::vector<std::string> r;
- for (unsigned i = 0; i < size; ++i)
- r.push_back(array[i]);
- return r;
- }
- void test_optional()
- {
- boost::optional<int> foo, bar, baz;
- po::options_description desc;
- desc.add_options()
- ("foo,f", po::value(&foo), "")
- ("bar,b", po::value(&bar), "")
- ("baz,z", po::value(&baz), "")
- ;
- const char* cmdline1_[] = { "--foo=12", "--bar", "1"};
- std::vector<std::string> cmdline1 = sv(cmdline1_,
- sizeof(cmdline1_)/sizeof(const char*));
- po::variables_map vm;
- po::store(po::command_line_parser(cmdline1).options(desc).run(), vm);
- po::notify(vm);
- BOOST_REQUIRE(!!foo);
- BOOST_CHECK(*foo == 12);
- BOOST_REQUIRE(!!bar);
- BOOST_CHECK(*bar == 1);
- BOOST_CHECK(!baz);
- }
- int main(int, char*[])
- {
- test_optional();
- return 0;
- }
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