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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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