ceph/src/boost/libs/chrono/test/duration/typedefs_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
  15 #include <boost/chrono/duration.hpp>
  16 #include <boost/type_traits.hpp>
  17 #include <limits>
  18
  19 #if !defined(BOOST_NO_CXX11_STATIC_ASSERT)
  20 #define NOTHING ""
  21 #endif
  22
  23 template <typename D, int ExpectedDigits, typename ExpectedPeriod>
  24 void check_duration()
  25 {
  26     typedef typename D::rep Rep;
  27     typedef typename D::period Period;
  28     BOOST_CHRONO_STATIC_ASSERT(boost::is_signed<Rep>::value, NOTHING, ());
  29     BOOST_CHRONO_STATIC_ASSERT(boost::is_integral<Rep>::value, NOTHING, ());
  30     BOOST_CHRONO_STATIC_ASSERT(std::numeric_limits<Rep>::digits >= ExpectedDigits, NOTHING, ());
  31     BOOST_CHRONO_STATIC_ASSERT((boost::is_same<Period, ExpectedPeriod >::value), NOTHING, ());
  32 }
  33
  34 void test()
  35 {
  36     check_duration<boost::chrono::hours, 22, boost::ratio<3600> >();
  37     check_duration<boost::chrono::minutes, 28, boost::ratio<60> >();
  38     check_duration<boost::chrono::seconds, 34, boost::ratio<1> >();
  39     check_duration<boost::chrono::milliseconds, 44, boost::milli >();
  40     check_duration<boost::chrono::microseconds, 54, boost::micro >();
  41     check_duration<boost::chrono::nanoseconds, 63, boost::nano >();
  42 }