metaparse/test/space.cpp

80 lines
1.8 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/space.hpp>
#include <boost/metaparse/is_error.hpp>
#include <boost/metaparse/start.hpp>
#include <boost/metaparse/get_result.hpp>
#include "common.hpp"
#include <boost/mpl/equal_to.hpp>
#include <boost/mpl/apply_wrap.hpp>
#include <boost/mpl/char.hpp>
#include <boost/mpl/assert.hpp>
#include "test_case.hpp"
namespace
{
using boost::mpl::list_c;
typedef list_c<char, '\t', 'e', 'l', 'l', 'o'> str_with_t;
typedef list_c<char, '\n', 'e', 'l', 'l', 'o'> str_with_n;
typedef list_c<char, '\r', 'e', 'l', 'l', 'o'> str_with_r;
}
BOOST_METAPARSE_TEST_CASE(space)
{
using boost::metaparse::is_error;
using boost::metaparse::space;
using boost::metaparse::start;
using boost::metaparse::get_result;
using boost::mpl::apply_wrap2;
using boost::mpl::equal_to;
using boost::mpl::char_;
// test_with_text
BOOST_MPL_ASSERT((is_error<apply_wrap2<space, str_hello, start> >));
// test_with_space
BOOST_MPL_ASSERT((
equal_to<
get_result<apply_wrap2<space, str__ello, start> >::type,
char_<' '>
>
));
// test_with_tab
BOOST_MPL_ASSERT((
equal_to<
get_result<apply_wrap2<space, str_with_t, start> >::type,
char_<'\t'>
>
));
// test_with_line_feed
BOOST_MPL_ASSERT((
equal_to<
get_result<apply_wrap2<space, str_with_n, start> >::type,
char_<'\n'>
>
));
// test_with_c_return
BOOST_MPL_ASSERT((
equal_to<
get_result<apply_wrap2<space, str_with_r, start> >::type,
char_<'\r'>
>
));
// test_with_empty_string
BOOST_MPL_ASSERT((is_error<apply_wrap2<space, str_, start> >));
}