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 local_info {
16// static constexpr int unique = 0;
17// static constexpr int nonexistent = 1;
18// static constexpr int ambiguous = 2;
19//
20// int result;
21// sys_info first;
22// sys_info second;
23// };
24
25// Validates whether:
26// - The static members are present as static constexpr members.
27// - The members are present as non-const members.
28// - The struct is an aggregate.
29
30#include <chrono>
31#include <string>
32#include <type_traits>
33
34int main(int, char**) {
35 {
36 constexpr const int& result = std::chrono::local_info::unique;
37 static_assert(result == 0);
38 }
39 {
40 constexpr const int& result = std::chrono::local_info::nonexistent;
41 static_assert(result == 1);
42 }
43 {
44 constexpr const int& result = std::chrono::local_info::ambiguous;
45 static_assert(result == 2);
46 }
47
48 static_assert(std::is_aggregate_v<std::chrono::local_info>);
49
50 std::chrono::local_info local_info{.result = 0, .first = std::chrono::sys_info{}, .second = std::chrono::sys_info{}};
51
52 [[maybe_unused]] int& result = local_info.result;
53 [[maybe_unused]] std::chrono::sys_info& first = local_info.first;
54 [[maybe_unused]] std::chrono::sys_info& second = local_info.second;
55
56 return 0;
57}
58

source code of libcxx/test/std/time/time.zone/time.zone.info/time.zone.info.local/local_info.members.pass.cpp