69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
// Copyright Abel Sinkovics (abel@sinkovics.hu) 2015.
|
|
// 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/transform_error_message.hpp>
|
|
#include <boost/metaparse/start.hpp>
|
|
#include <boost/metaparse/string.hpp>
|
|
#include <boost/metaparse/reject.hpp>
|
|
#include <boost/metaparse/lit_c.hpp>
|
|
#include <boost/metaparse/get_position.hpp>
|
|
#include <boost/metaparse/error/literal_expected.hpp>
|
|
|
|
#include <boost/mpl/assert.hpp>
|
|
|
|
#include <boost/type_traits.hpp>
|
|
|
|
#include "test_case.hpp"
|
|
|
|
using boost::metaparse::reject;
|
|
using boost::metaparse::get_position;
|
|
|
|
namespace
|
|
{
|
|
template <class OldMsg>
|
|
struct new_message
|
|
{
|
|
typedef new_message type;
|
|
};
|
|
|
|
struct change_message
|
|
{
|
|
typedef change_message type;
|
|
|
|
template <class Msg>
|
|
struct apply : new_message<Msg> {};
|
|
};
|
|
}
|
|
|
|
BOOST_METAPARSE_TEST_CASE(transform_error_message)
|
|
{
|
|
using boost::metaparse::transform_error_message;
|
|
using boost::metaparse::start;
|
|
using boost::metaparse::string;
|
|
using boost::metaparse::lit_c;
|
|
using boost::metaparse::error::literal_expected;
|
|
|
|
using boost::is_same;
|
|
|
|
typedef string<'H','e','l','l','o'> s;
|
|
|
|
// test_transform_error_message_does_not_change_accept
|
|
BOOST_MPL_ASSERT((
|
|
is_same<
|
|
lit_c<'H'>::apply<s, start>::type,
|
|
transform_error_message<lit_c<'H'>, change_message>::apply<s, start>::type
|
|
>
|
|
));
|
|
|
|
// test_transform_is_called
|
|
BOOST_MPL_ASSERT((
|
|
is_same<
|
|
reject<new_message<literal_expected<'x'> >, start>,
|
|
transform_error_message<lit_c<'x'>, change_message>::apply<s, start>::type
|
|
>
|
|
));
|
|
}
|
|
|