ceph/src/boost/libs/fusion/test/sequence/hash.hpp

   1 /*=============================================================================
   2     Copyright (c) 2014 Christoph Weiss
   3     Copyright (c) 2017 Kohei Takahashi
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8 #include <string>
   9 #include <utility>
  10
  11 #include <boost/detail/lightweight_test.hpp>
  12 #include <boost/fusion/sequence/hash.hpp>
  13 #include <boost/functional/hash.hpp>
  14
  15 void hash_test()
  16 {
  17     namespace fusion = boost::fusion;
  18     using namespace fusion;
  19
  20     const FUSION_SEQUENCE<int, char, bool, std::string> v0(42, 'x', false, "Aurea prima");
  21     const FUSION_SEQUENCE<int, char, bool, std::string> v1(42, 'x', false, "Aurea prima");
  22     BOOST_TEST(fusion::hash_value(v0) == fusion::hash_value(v1));
  23
  24     const FUSION_SEQUENCE<int, char, bool, std::string> w(41, 'x', false, "Aurea prima");
  25     BOOST_TEST(fusion::hash_value(w) != fusion::hash_value(v0));
  26
  27     const FUSION_SEQUENCE<int, char, bool, std::string> x(42, 'y', false, "Aurea prima");
  28     BOOST_TEST(fusion::hash_value(x) != fusion::hash_value(v0));
  29
  30     const FUSION_SEQUENCE<int, char, bool, std::string> y(42, 'x', true, "Aurea prima");
  31     BOOST_TEST(fusion::hash_value(y) != fusion::hash_value(v0));
  32
  33     const FUSION_SEQUENCE<int, char, bool, std::string> z(42, 'x', false, "quae vindice nullo");
  34     BOOST_TEST(fusion::hash_value(z) != fusion::hash_value(v0));
  35 }