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

   1 // Copyright Abel Sinkovics (abel@sinkovics.hu) 2010.
   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/digit_val.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/equal_to.hpp>
  14 #include <boost/mpl/apply_wrap.hpp>
  15 #include <boost/mpl/assert.hpp>
  16
  17 #include "test_case.hpp"
  18
  19 BOOST_METAPARSE_TEST_CASE(digit_val)
  20 {
  21   using boost::metaparse::is_error;
  22   using boost::metaparse::digit_val;
  23   using boost::metaparse::start;
  24   using boost::metaparse::get_result;
  25
  26   using boost::mpl::apply_wrap2;
  27   using boost::mpl::equal_to;
  28
  29   // test_with_text
  30   BOOST_MPL_ASSERT((is_error<apply_wrap2<digit_val, str_hello, start> >));
  31
  32   // test_with_number
  33   BOOST_MPL_ASSERT((
  34     equal_to<get_result<apply_wrap2<digit_val, str_1983, start> >::type, int1>
  35   ));
  36
  37   // test_with_empty_string
  38   BOOST_MPL_ASSERT((is_error<apply_wrap2<digit_val, str_, start> >));
  39 }
  40