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

   1 // Copyright Abel Sinkovics (abel@sinkovics.hu) 2011.
   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/iterate_c.hpp>
   7 #include <boost/metaparse/is_error.hpp>
   8 #include <boost/metaparse/start.hpp>
   9 #include <boost/metaparse/get_result.hpp>
  10 #include <boost/metaparse/one_char.hpp>
  11
  12 #include "common.hpp"
  13
  14 #include <boost/mpl/equal_to.hpp>
  15 #include <boost/mpl/apply_wrap.hpp>
  16 #include <boost/mpl/equal.hpp>
  17 #include <boost/mpl/vector_c.hpp>
  18 #include <boost/mpl/assert.hpp>
  19
  20 #include "test_case.hpp"
  21
  22 BOOST_METAPARSE_TEST_CASE(iterate_c)
  23 {
  24   using boost::metaparse::is_error;
  25   using boost::metaparse::iterate_c;
  26   using boost::metaparse::one_char;
  27   using boost::metaparse::start;
  28   using boost::metaparse::get_result;
  29
  30   using boost::mpl::apply_wrap2;
  31   using boost::mpl::equal;
  32   using boost::mpl::list;
  33   using boost::mpl::vector_c;
  34
  35   // test_empty_input
  36   BOOST_MPL_ASSERT((
  37     is_error<apply_wrap2<iterate_c<one_char, 13>, str_, start> >
  38   ));
  39
  40   // test0
  41   BOOST_MPL_ASSERT((
  42     equal<
  43       get_result<apply_wrap2<iterate_c<one_char, 0>, str_hello, start> >::type,
  44       list<>
  45     >
  46   ));
  47
  48   // test1
  49   BOOST_MPL_ASSERT((
  50     equal<
  51       get_result<apply_wrap2<iterate_c<one_char, 1>, str_hello, start> >::type,
  52       vector_c<char, 'h'>
  53     >
  54   ));
  55
  56   // test2
  57   BOOST_MPL_ASSERT((
  58     equal<
  59       get_result<apply_wrap2<iterate_c<one_char, 2>, str_hello, start> >::type,
  60       vector_c<char, 'h', 'e'>
  61     >
  62   ));
  63
  64   // test3
  65   BOOST_MPL_ASSERT((
  66     equal<
  67       get_result<apply_wrap2<iterate_c<one_char, 3>, str_hello, start> >::type,
  68       vector_c<char, 'h', 'e', 'l'>
  69     >
  70   ));
  71 }
  72
  73