ceph/src/boost/libs/icl/test/chrono/utility.hpp

   1 /*-----------------------------------------------------------------------------+
   2 Copyright (c) 2011-2011: Joachim Faulhaber
   3 +------------------------------------------------------------------------------+
   4    Distributed under the Boost Software License, Version 1.0.
   5       (See accompanying file LICENCE.txt or copy at
   6            http://www.boost.org/LICENSE_1_0.txt)
   7 +-----------------------------------------------------------------------------*/
   8 #ifndef BOOST_LIBS_ICL_TEST_CHRONO_UTILITY_HPP_JOFA_20110314
   9 #define BOOST_LIBS_ICL_TEST_CHRONO_UTILITY_HPP_JOFA_20110314
  10
  11 #include <boost/chrono/chrono.hpp>
  12 #include <boost/chrono/chrono_io.hpp>
  13
  14 // In order to perform simple testing with chrono::time_point
  15 // we need to provide a dummy test clock
  16
  17 class Now // A trivial test clock
  18 {
  19 public:
  20     typedef boost::chrono::duration<int>   duration;
  21     typedef duration::rep                  rep;
  22     typedef duration::period               periond;
  23     typedef boost::chrono::time_point<Now> time_point;
  24
  25     static time_point now(){ return time_point(); }
  26 };
  27
  28 namespace boost{ namespace chrono {
  29
  30 template <class CharT>
  31 struct clock_string<Now, CharT>
  32 {
  33     static std::basic_string<CharT> name()
  34     {
  35         static const CharT u[] = {'n', 'o', 'w', '_', 'c', 'l','o', 'c', 'k'};
  36         static const std::basic_string<CharT> str(u, u + sizeof(u)/sizeof(u[0]));
  37         return str;
  38     }
  39     static std::basic_string<CharT> since()
  40     {
  41         const CharT u[] = {' ', 's', 'i', 'n', 'c', 'e', ' ', 'n', 'o', 'w'};
  42         const std::basic_string<CharT> str(u, u + sizeof(u)/sizeof(u[0]));
  43         return str;
  44     }
  45 };
  46
  47 }} //namespace boost chrono
  48
  49 #endif //BOOST_LIBS_ICL_TEST_CHRONO_UTILITY_HPP_JOFA_20110314