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85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
// Copyright Vladimir Prus 2004.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/program_options/positional_options.hpp>
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#include <boost/program_options/options_description.hpp>
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#include <boost/program_options/parsers.hpp>
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using namespace boost::program_options;
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#include <boost/limits.hpp>
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#include <boost/test/test_tools.hpp>
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#include <vector>
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using namespace std;
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void test_positional_options()
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{
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positional_options_description p;
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p.add("first", 1);
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BOOST_CHECK_EQUAL(p.max_total_count(), 1u);
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BOOST_CHECK_EQUAL(p.name_for_position(0), "first");
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p.add("second", 2);
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BOOST_CHECK_EQUAL(p.max_total_count(), 3u);
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BOOST_CHECK_EQUAL(p.name_for_position(0), "first");
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BOOST_CHECK_EQUAL(p.name_for_position(1), "second");
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BOOST_CHECK_EQUAL(p.name_for_position(2), "second");
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p.add("third", -1);
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BOOST_CHECK_EQUAL(p.max_total_count(), std::numeric_limits<unsigned>::max());
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BOOST_CHECK_EQUAL(p.name_for_position(0), "first");
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BOOST_CHECK_EQUAL(p.name_for_position(1), "second");
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BOOST_CHECK_EQUAL(p.name_for_position(2), "second");
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BOOST_CHECK_EQUAL(p.name_for_position(3), "third");
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BOOST_CHECK_EQUAL(p.name_for_position(10000), "third");
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}
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void test_parsing()
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{
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options_description desc;
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desc.add_options()
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("first", value<int>())
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("second", value<int>())
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("input-file", value< vector<string> >())
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;
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positional_options_description p;
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p.add("input-file", 2);
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vector<string> args;
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args.push_back("--first=10");
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args.push_back("file1");
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args.push_back("--second=10");
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args.push_back("file2");
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// Check that positional options are handled.
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parsed_options parsed =
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command_line_parser(args).options(desc).positional(p).run();
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BOOST_REQUIRE(parsed.options.size() == 4);
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BOOST_CHECK_EQUAL(parsed.options[1].string_key, "input-file");
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BOOST_CHECK_EQUAL(parsed.options[1].value[0], "file1");
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BOOST_CHECK_EQUAL(parsed.options[3].string_key, "input-file");
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BOOST_CHECK_EQUAL(parsed.options[3].value[0], "file2");
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args.push_back("file3");
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// Check that excessive number of positional options is detected.
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BOOST_CHECK_THROW(command_line_parser(args).options(desc).positional(p)
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.run(),
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too_many_positional_options_error);
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}
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int test_main(int, char* [])
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{
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test_positional_options();
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test_parsing();
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return 0;
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}
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