libcxx/test/std/time/time.zone/time.zone.info/time.zone.info.sys/sys_info.members.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // UNSUPPORTED: c++03, c++11, c++14, c++17
  10
  11 // XFAIL: libcpp-has-no-experimental-tzdb
  12
  13 // <chrono>
  14
  15 //  struct sys_info {
  16 //    sys_seconds   begin;
  17 //    sys_seconds   end;
  18 //    seconds       offset;
  19 //    minutes       save;
  20 //    string        abbrev;
  21 //  };
  22
  23 // Validates whether:
  24 // - The members are present as non-const members.
  25 // - The struct is an aggregate.
  26
  27 #include <chrono>
  28 #include <string>
  29 #include <type_traits>
  30
  31 int main(int, const char**) {
  32   static_assert(std::is_aggregate_v<std::chrono::sys_info>);
  33
  34   std::chrono::sys_info sys_info{
  35       .begin  = std::chrono::sys_seconds::min(),
  36       .end    = std::chrono::sys_seconds::max(),
  37       .offset = std::chrono::seconds(0),
  38       .save   = std::chrono::minutes(0),
  39       .abbrev = "UTC"};
  40
  41   [[maybe_unused]] std::chrono::sys_seconds& begin = sys_info.begin;
  42   [[maybe_unused]] std::chrono::sys_seconds& end   = sys_info.end;
  43   [[maybe_unused]] std::chrono::seconds& offset    = sys_info.offset;
  44   [[maybe_unused]] std::chrono::minutes& save      = sys_info.save;
  45   [[maybe_unused]] std::string& abbrev             = sys_info.abbrev;
  46
  47   return 0;
  48 }