ceph/src/boost/libs/fusion/test/algorithm/remove.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/sequence/io/out.hpp>
  11 #include <boost/fusion/container/generation/make_vector.hpp>
  12 #include <boost/fusion/sequence/comparison/equal_to.hpp>
  13 #include <boost/fusion/algorithm/transformation/remove.hpp>
  14 #include <boost/mpl/vector.hpp>
  15
  16 struct X
  17 {
  18     operator char const*() const
  19     {
  20         return "<X-object>";
  21     }
  22 };
  23
  24 struct Y
  25 {
  26     operator char const*() const
  27     {
  28         return "<Y-object>";
  29     }
  30 };
  31
  32 int
  33 main()
  34 {
  35     using namespace boost::fusion;
  36     using boost::mpl::identity;
  37     using boost::mpl::vector;
  38     namespace fusion = boost::fusion;
  39
  40     std::cout << tuple_open('[');
  41     std::cout << tuple_close(']');
  42     std::cout << tuple_delimiter(", ");
  43
  44 /// Testing remove
  45
  46     X x; Y y;
  47     typedef fusion::vector<Y, char, long, X, bool, double> vector_type;
  48     vector_type t(y, '@', 987654, x, true, 6.6);
  49
  50     {
  51         std::cout << fusion::remove<X>(t) << std::endl;
  52         BOOST_TEST((fusion::remove<X>(t)
  53             == make_vector(y, '@', 987654, true, 6.6)));
  54     }
  55
  56     {
  57         std::cout << fusion::remove<Y>(t) << std::endl;
  58         BOOST_TEST((fusion::remove<Y>(t)
  59             == make_vector('@', 987654, x, true, 6.6)));
  60     }
  61
  62     {
  63         std::cout << fusion::remove<long>(t) << std::endl;
  64         BOOST_TEST((fusion::remove<long>(t)
  65             == make_vector(y, '@', x, true, 6.6)));
  66     }
  67
  68     {
  69         typedef vector<Y, char, long, X, bool> mpl_vec;
  70         BOOST_TEST((fusion::remove<X>(mpl_vec())
  71             == vector<Y, char, long, bool>()));
  72         BOOST_TEST((fusion::remove<Y>(mpl_vec())
  73             == vector<char, long, X, bool>()));
  74         BOOST_TEST((fusion::remove<long>(mpl_vec())
  75             == vector<Y, char, X, bool>()));
  76     }
  77
  78     return boost::report_errors();
  79 }
  80