ceph/src/boost/libs/chrono/test/duration/duration_values_pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //  Adaptation to Boost of the libcxx
  10 //  Copyright 2010 Vicente J. Botet Escriba
  11 //  Distributed under the Boost Software License, Version 1.0.
  12 //  See http://www.boost.org/LICENSE_1_0.txt
  13
  14 #include <boost/chrono/duration.hpp>
  15 #include <boost/detail/lightweight_test.hpp>
  16
  17 #include "../rep.h"
  18 #if defined BOOST_NO_CXX11_NUMERIC_LIMITS || defined BOOST_NO_CXX11_CONSTEXPR
  19 #define BOOST_CONSTEXPR_ASSERT(C) BOOST_TEST(C)
  20 #else
  21 #include <boost/static_assert.hpp>
  22 #define BOOST_CONSTEXPR_ASSERT(C) BOOST_STATIC_ASSERT(C)
  23 #endif
  24
  25 template <class D>
  26 void check_max()
  27 {
  28     typedef typename D::rep Rep;
  29     Rep max_rep = (boost::chrono::duration_values<Rep>::max)();
  30     BOOST_TEST((D::max)().count() == max_rep);
  31     {
  32       typedef typename D::rep Rep;
  33       BOOST_CHRONO_LIB_CONSTEXPR Rep max_rep = (boost::chrono::duration_values<Rep>::max)();
  34       BOOST_CONSTEXPR_ASSERT((D::max)().count() == max_rep);
  35     }
  36 }
  37
  38 template <class D>
  39 void check_min()
  40 {
  41     typedef typename D::rep Rep;
  42     Rep min_rep = (boost::chrono::duration_values<Rep>::min)();
  43     BOOST_TEST((D::min)().count() == min_rep);
  44     {
  45       typedef typename D::rep Rep;
  46       BOOST_CHRONO_LIB_CONSTEXPR Rep min_rep = (boost::chrono::duration_values<Rep>::min)();
  47       BOOST_CONSTEXPR_ASSERT((D::min)().count() == min_rep);
  48
  49     }
  50 }
  51
  52 template <class D>
  53 void check_zero()
  54 {
  55     typedef typename D::rep Rep;
  56     Rep zero_rep = boost::chrono::duration_values<Rep>::zero();
  57     BOOST_TEST(D::zero().count() == zero_rep);
  58     {
  59       typedef typename D::rep Rep;
  60       BOOST_CONSTEXPR Rep zero_rep = boost::chrono::duration_values<Rep>::zero();
  61       BOOST_CONSTEXPR_ASSERT(D::zero().count() == zero_rep);
  62
  63     }
  64 }
  65
  66
  67 int main()
  68 {
  69     check_max<boost::chrono::duration<int> >();
  70     check_max<boost::chrono::duration<Rep> >();
  71     check_min<boost::chrono::duration<int> >();
  72     check_min<boost::chrono::duration<Rep> >();
  73     check_zero<boost::chrono::duration<int> >();
  74     check_zero<boost::chrono::duration<Rep> >();
  75     return boost::report_errors();
  76 }