metaparse/test/accept_when.cpp

70 lines
1.6 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/accept_when.hpp>
#include <boost/metaparse/get_result.hpp>
#include <boost/metaparse/util/is_digit.hpp>
#include <boost/metaparse/is_error.hpp>
#include <boost/metaparse/start.hpp>
#include <boost/metaparse/one_char.hpp>
#include "common.hpp"
#include <boost/metaparse/util/is_digit.hpp>
#include <boost/mpl/equal_to.hpp>
#include <boost/mpl/apply_wrap.hpp>
#include <boost/mpl/assert.hpp>
#include "test_case.hpp"
BOOST_METAPARSE_TEST_CASE(accept_when)
{
using boost::metaparse::is_error;
using boost::metaparse::accept_when;
using boost::metaparse::one_char;
using boost::metaparse::start;
using boost::metaparse::get_result;
using boost::metaparse::util::is_digit;
using boost::mpl::apply;
using boost::mpl::equal_to;
using boost::mpl::apply_wrap2;
// test_with_text
BOOST_MPL_ASSERT((
is_error<
apply_wrap2<
accept_when<one_char, is_digit<>, test_failure>,
str_hello,
start
>
>
));
// test_with_number
BOOST_MPL_ASSERT((
equal_to<
get_result<
apply_wrap2<
accept_when<one_char, is_digit<>, test_failure>,
str_1983,
start
>
>::type,
char_1
>
));
// test_with_empty_string
BOOST_MPL_ASSERT((
is_error<
apply_wrap2<accept_when<one_char, is_digit<>, test_failure>, str_, start>
>
));
}