ceph/src/boost/libs/fusion/test/algorithm/find.cpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #include <boost/detail/lightweight_test.hpp>
   8 #include <boost/fusion/container/vector/vector.hpp>
   9 #include <boost/fusion/adapted/mpl.hpp>
  10 #include <boost/fusion/container/set/set.hpp>
  11 #include <boost/fusion/container/map/map.hpp>
  12 #include <boost/fusion/algorithm/query/find.hpp>
  13 #include <boost/fusion/iterator/deref.hpp>
  14 #include <boost/mpl/vector.hpp>
  15 #include <string>
  16
  17 struct X
  18 {
  19     operator int() const
  20     {
  21         return 12345;
  22     }
  23 };
  24 int
  25 main()
  26 {
  27     using namespace boost::fusion;
  28     using boost::mpl::identity;
  29
  30     {
  31         typedef vector<int, char, int, double> seq_type;
  32         seq_type seq(12345, 'x', 678910, 3.36);
  33
  34         std::cout << *boost::fusion::find<char>(seq) << std::endl;
  35         BOOST_TEST(*boost::fusion::find<char>(seq) == 'x');
  36
  37         std::cout << *boost::fusion::find<int>(seq) << std::endl;
  38         BOOST_TEST(*boost::fusion::find<int>(seq) == 12345);
  39
  40         std::cout << *boost::fusion::find<double>(seq) << std::endl;
  41         BOOST_TEST(*boost::fusion::find<double>(seq) == 3.36);
  42
  43         BOOST_TEST(boost::fusion::find<bool>(seq) == boost::fusion::end(seq));
  44     }
  45
  46     {
  47         typedef set<int, char, double> seq_type;
  48         seq_type seq(12345, 'x', 3.36);
  49         std::cout << *boost::fusion::find<char>(seq) << std::endl;
  50         BOOST_TEST(*boost::fusion::find<char>(seq) == 'x');
  51         BOOST_TEST(boost::fusion::find<bool>(seq) == boost::fusion::end(seq));
  52     }
  53
  54     {
  55         typedef map<
  56             pair<int, char>
  57           , pair<double, std::string> >
  58         map_type;
  59
  60         map_type seq(
  61             make_pair<int>('X')
  62           , make_pair<double>("Men"));
  63
  64         std::cout << *boost::fusion::find<int>(seq) << std::endl;
  65         std::cout << *boost::fusion::find<double>(seq) << std::endl;
  66         BOOST_TEST((*boost::fusion::find<int>(seq)).second == 'X');
  67         BOOST_TEST((*boost::fusion::find<double>(seq)).second == "Men");
  68         BOOST_TEST(boost::fusion::find<bool>(seq) == boost::fusion::end(seq));
  69     }
  70
  71     {
  72         typedef boost::mpl::vector<int, char, X, double> mpl_vec;
  73         BOOST_TEST((*boost::fusion::find<X>(mpl_vec()) == 12345));
  74         BOOST_TEST(boost::fusion::find<bool>(mpl_vec()) == boost::fusion::end(mpl_vec()));
  75     }
  76
  77     return boost::report_errors();
  78 }
  79