metaparse/test/keyword.cpp

92 lines
2.2 KiB
C++

// Copyright Abel Sinkovics (abel@sinkovics.hu) 2010.
// 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/metaparse/keyword.hpp>
#include <boost/metaparse/is_error.hpp>
#include <boost/metaparse/start.hpp>
#include <boost/metaparse/get_result.hpp>
#include <boost/metaparse/get_remaining.hpp>
#include "common.hpp"
#include <boost/mpl/equal_to.hpp>
#include <boost/mpl/apply_wrap.hpp>
#include <boost/mpl/equal.hpp>
#include <boost/mpl/assert.hpp>
#include "test_case.hpp"
namespace
{
using boost::metaparse::keyword;
using boost::mpl::list_c;
typedef
list_c<char, 'h','e','l','l','o',' ','w','o','r','l','d'>
str_hello_world;
typedef list_c<char, 'h','e','l','l','x'> str_hellx;
typedef list_c<char, 'h','x','l','l','o'> str_hxllo;
typedef keyword<str_hello> keyword_hello;
}
BOOST_METAPARSE_TEST_CASE(keyword)
{
using boost::metaparse::get_result;
using boost::metaparse::start;
using boost::metaparse::is_error;
using boost::metaparse::get_remaining;
using boost::mpl::equal_to;
using boost::mpl::apply_wrap2;
using boost::mpl::equal;
// test_result_type
BOOST_MPL_ASSERT((
equal_to<
get_result<
apply_wrap2<keyword<str_hello, char_l>, str_hello, start>
>::type,
char_l
>
));
// test_empty_keyword
BOOST_MPL_ASSERT((
equal_to<
get_result<apply_wrap2<keyword<str_, char_l>, str_hello, start> >::type,
char_l
>
));
// test_empty_input
BOOST_MPL_ASSERT((is_error<apply_wrap2<keyword_hello, str_, start> >));
// test_itself
BOOST_MPL_ASSERT((
equal<
get_remaining<apply_wrap2<keyword_hello, str_hello, start> >::type,
str_
>
));
// test_more_than_itself
BOOST_MPL_ASSERT((
equal<
get_remaining<apply_wrap2<keyword_hello, str_hello_world, start> >::type,
list_c<char, ' ', 'w', 'o', 'r', 'l', 'd'>
>
));
// test_no_match_at_end
BOOST_MPL_ASSERT((is_error<apply_wrap2<keyword_hello, str_hellx, start> >));
// test_no_match_in_the_middle
BOOST_MPL_ASSERT((is_error<apply_wrap2<keyword_hello, str_hxllo, start> >));
}