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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/middle_of.hpp>
- #include <boost/metaparse/is_error.hpp>
- #include <boost/metaparse/start.hpp>
- #include <boost/metaparse/get_result.hpp>
- #include <boost/metaparse/get_message.hpp>
- #include <boost/metaparse/error/unpaired.hpp>
- #include <boost/metaparse/error/literal_expected.hpp>
- #include "common.hpp"
- #include <boost/mpl/equal_to.hpp>
- #include <boost/mpl/apply_wrap.hpp>
- #include <boost/mpl/assert.hpp>
- #include <boost/type_traits/is_same.hpp>
- #include "test_case.hpp"
- BOOST_METAPARSE_TEST_CASE(middle_of)
- {
- using boost::metaparse::get_result;
- using boost::metaparse::middle_of;
- using boost::metaparse::start;
- using boost::metaparse::is_error;
- using boost::metaparse::get_message;
- using boost::metaparse::error::unpaired;
- using boost::metaparse::error::literal_expected;
-
- using boost::is_same;
- using boost::mpl::equal_to;
- using boost::mpl::apply_wrap2;
- // test_three_chars
- BOOST_MPL_ASSERT((
- equal_to<
- get_result<
- apply_wrap2<middle_of<lit_h, lit_e, lit_l>, str_hello, start>
- >::type,
- char_e
- >
- ));
- // test_first_fails
- BOOST_MPL_ASSERT((
- is_error<apply_wrap2<middle_of<lit_x, lit_e, lit_l>, str_hello, start> >
- ));
- // test_second_fails
- BOOST_MPL_ASSERT((
- is_error<apply_wrap2<middle_of<lit_h, lit_x, lit_l>, str_hello, start> >
- ));
- // test_third_fails
- BOOST_MPL_ASSERT((
- is_error<apply_wrap2<middle_of<lit_h, lit_e, lit_x>, str_hello, start> >
- ));
- // test_error_message_when_third_fails
- BOOST_MPL_ASSERT((
- is_same<
- unpaired<1, 1, literal_expected<'x'> >,
- get_message<
- apply_wrap2<middle_of<lit_h, lit_e, lit_x>, str_hello, start>
- >::type
- >
- ));
- // test_empty_input
- BOOST_MPL_ASSERT((
- is_error<apply_wrap2<middle_of<lit_h, lit_e, lit_l>, str_, start> >
- ));
- }
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