metaparse/test/always_c.cpp

42 lines
1010 B
C++

// Copyright Abel Sinkovics (abel@sinkovics.hu) 2013.
// 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/always_c.hpp>
#include <boost/metaparse/is_error.hpp>
#include <boost/metaparse/start.hpp>
#include <boost/metaparse/get_result.hpp>
#include "common.hpp"
#include <boost/mpl/apply_wrap.hpp>
#include <boost/mpl/assert.hpp>
#include "test_case.hpp"
BOOST_METAPARSE_TEST_CASE(always_c)
{
using boost::metaparse::get_result;
using boost::metaparse::always_c;
using boost::metaparse::start;
using boost::metaparse::is_error;
using boost::mpl::equal_to;
using boost::mpl::apply_wrap2;
// test_result
BOOST_MPL_ASSERT((
equal_to<
get_result<apply_wrap2<always_c<'1', int13>, str_1, start> >::type,
int13
>
));
// test_fail
BOOST_MPL_ASSERT((
is_error<apply_wrap2<always_c<'1', int13>, str_a, start> >
));
}