libstdc++-v3/testsuite/20_util/duration/literals/types.cc

   1 // { dg-options "-std=gnu++1y" }
   2 // { dg-do compile }
   3
   4 // Copyright (C) 2013 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <chrono>
  22 #include <type_traits>
  23
  24 void
  25 test03()
  26 {
  27   using namespace std::literals::chrono_literals;
  28
  29   static_assert(std::is_same<decltype(1h), std::chrono::hours>::value,
  30                 "1h is std::chrono::hours");
  31
  32   static_assert(std::is_same<decltype(1.0h),
  33         std::chrono::duration<long double, std::ratio<3600L, 1L>>>::value,
  34         "1.0h is std::chrono::duration<long double, std::ratio<3600L, 1L>>");
  35
  36   static_assert(std::is_same<decltype(1min), std::chrono::minutes>::value,
  37                 "1min is std::chrono::minutes");
  38
  39   static_assert(std::is_same<decltype(1.0min),
  40         std::chrono::duration<long double, std::ratio<60L, 1L>>>::value,
  41         "1.0min is std::chrono::duration<long double, std::ratio<60L, 1L>>");
  42
  43   static_assert(std::is_same<decltype(1s), std::chrono::seconds>::value,
  44                 "1s is std::chrono::seconds");
  45
  46   static_assert(std::is_same<decltype(1.0s),
  47         std::chrono::duration<long double, std::ratio<1L, 1L>>>::value,
  48         "1.0s is std::chrono::duration<long double, std::ratio<1L, 1L>>");
  49
  50   static_assert(std::is_same<decltype(1ms), std::chrono::milliseconds>::value,
  51                 "1ms is std::chrono::milliseconds");
  52
  53   static_assert(std::is_same<decltype(1.0ms),
  54         std::chrono::duration<long double, std::ratio<1L, 1000L>>>::value,
  55         "1.0ms is std::chrono::duration<long double, std::ratio<1L, 1000L>>");
  56
  57   static_assert(std::is_same<decltype(1us), std::chrono::microseconds>::value,
  58                 "1us is std::chrono::microseconds");
  59
  60   static_assert(std::is_same<decltype(1.0us),
  61         std::chrono::duration<long double, std::ratio<1L, 1000000L>>>::value,
  62         "1.0us is std::chrono::duration<long double, std::ratio<1L, 1000000L>>");
  63
  64   static_assert(std::is_same<decltype(1ns), std::chrono::nanoseconds>::value,
  65                 "1ns is std::chrono::nanoseconds");
  66
  67   static_assert(std::is_same<decltype(1.0ns),
  68         std::chrono::duration<long double, std::ratio<1L, 1000000000L>>>::value,
  69         "1.0ns is std::chrono::duration<long double, std::ratio<1L, 1000000000L>>");
  70 }