{

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");

{

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);

{

test_positional_options();

test_parsing();

return 0;