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- // 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/transform.hpp>
- #include <boost/metaparse/is_error.hpp>
- #include <boost/metaparse/start.hpp>
- #include <boost/metaparse/get_result.hpp>
- #include <boost/metaparse/repeated.hpp>
- #include <boost/metaparse/one_char.hpp>
- #include "common.hpp"
- #include <boost/mpl/equal_to.hpp>
- #include <boost/mpl/always.hpp>
- #include <boost/mpl/apply_wrap.hpp>
- #include <boost/mpl/front.hpp>
- #include <boost/mpl/assert.hpp>
- #include "test_case.hpp"
- namespace
- {
- using boost::metaparse::repeated;
- using boost::metaparse::one_char;
- using boost::mpl::always;
- typedef always<char_x> f;
- typedef repeated<one_char> repeated_one_char;
- struct get_front
- {
- typedef get_front type;
- template <class C>
- struct apply : boost::mpl::front<C> {};
- };
- }
- BOOST_METAPARSE_TEST_CASE(transform)
- {
- using boost::metaparse::get_result;
- using boost::metaparse::transform;
- using boost::metaparse::start;
- using boost::metaparse::is_error;
-
- using boost::mpl::equal_to;
- using boost::mpl::apply_wrap2;
- // test_normal_case
- BOOST_MPL_ASSERT((
- equal_to<
- get_result<apply_wrap2<transform<lit_h, f>, str_hello, start> >::type,
- char_x
- >
- ));
- // test_parser_fails
- BOOST_MPL_ASSERT((
- is_error<apply_wrap2<transform<lit_x, f>, str_hello, start> >
- ));
- // test_empty_input
- BOOST_MPL_ASSERT((is_error<apply_wrap2<transform<lit_h, f>, str_, start> >));
-
- // test_tranformation_functions_arg
- BOOST_MPL_ASSERT((
- equal_to<
- get_result<
- apply_wrap2<transform<repeated_one_char, get_front>, str_hello, start>
- >::type,
- char_h
- >
- ));
- }
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