ceph/src/boost/libs/array/test/array_hash.cpp

   1 /* tests for using boost::hash with boost::array
   2  * (C) Copyright Marshall Clow 2012
   3  * Distributed under the Boost Software License, Version 1.0. (See
   4  * accompanying file LICENSE_1_0.txt or copy at
   5  * http://www.boost.org/LICENSE_1_0.txt)
   6  */
   7
   8 #include <string>
   9 #include <iostream>
  10 #include <boost/array.hpp>
  11 #include <algorithm>
  12 #include <boost/functional/hash.hpp>
  13
  14 #include <boost/core/lightweight_test_trait.hpp>
  15
  16 namespace {
  17
  18     template< class T >
  19     void    RunTests()
  20     {
  21     //    std::size_t hash0 = boost::hash<boost::array<T,0> > () ( boost::array<T, 0> ());
  22     //    std::size_t hash1 = boost::hash<boost::array<T,1> > () ( boost::array<T, 1> ());
  23
  24         typedef boost::array< T, 5 >    barr;
  25         typedef T arr[5];
  26         barr           test_barr =   {{ 1, 1, 2, 3, 5 }};
  27         arr            test_arr  =    { 1, 1, 2, 3, 5 };
  28
  29         std::size_t bhash = boost::hash<barr> () ( test_barr );
  30         std::size_t ahash = boost::hash<arr>  () ( test_arr );
  31         BOOST_TEST ( ahash == bhash );
  32     }
  33
  34 }
  35
  36 int main()
  37 {
  38     RunTests< int >();
  39     RunTests< long >();
  40     RunTests< long double >();
  41
  42     return boost::report_errors();
  43 }
  44