ceph/src/boost/libs/metaparse/test/always_c.cpp

   1 // Copyright Abel Sinkovics (abel@sinkovics.hu) 2013.
   2 // Distributed under the Boost Software License, Version 1.0.
   3 //    (See accompanying file LICENSE_1_0.txt or copy at
   4 //          http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <boost/metaparse/always_c.hpp>
   7 #include <boost/metaparse/is_error.hpp>
   8 #include <boost/metaparse/start.hpp>
   9 #include <boost/metaparse/get_result.hpp>
  10
  11 #include "common.hpp"
  12
  13 #include <boost/mpl/apply_wrap.hpp>
  14 #include <boost/mpl/assert.hpp>
  15
  16 #include "test_case.hpp"
  17
  18 BOOST_METAPARSE_TEST_CASE(always_c)
  19 {
  20   using boost::metaparse::get_result;
  21   using boost::metaparse::always_c;
  22   using boost::metaparse::start;
  23   using boost::metaparse::is_error;
  24
  25   using boost::mpl::equal_to;
  26   using boost::mpl::apply_wrap2;
  27
  28   // test_result
  29   BOOST_MPL_ASSERT((
  30     equal_to<
  31       get_result<apply_wrap2<always_c<'1', int13>, str_1, start> >::type,
  32       int13
  33     >
  34   ));
  35
  36   // test_fail
  37   BOOST_MPL_ASSERT((
  38     is_error<apply_wrap2<always_c<'1', int13>, str_a, start> >
  39   ));
  40 }
  41