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// UNSUPPORTED: no-filesystem, no-localization, no-tzdb
11
12// XFAIL: libcpp-has-no-experimental-tzdb
13// XFAIL: availability-tzdb-missing
14
15// <chrono>
16
17// Note there is no Standard way to change the remote database used.
18// That is tested in
19// test/libcxx/time/time.zone/time.zone.db/time.zone.db.remote/reload_tzdb.pass.cpp
20
21// const tzdb& reload_tzdb();
22
23#include <cassert>
24#include <chrono>
25#include <iterator>
26
27#include "test_macros.h"
28
29int main(int, const char**) {
30 const std::chrono::tzdb_list& list = std::chrono::get_tzdb_list();
31 std::string version = list.front().version;
32 assert(!version.empty());
33
34 assert(std::distance(list.begin(), list.end()) == 1);
35 assert(std::distance(list.cbegin(), list.cend()) == 1);
36 assert(std::chrono::remote_version() == version);
37
38 std::chrono::reload_tzdb();
39
40 assert(std::distance(list.begin(), list.end()) == 1);
41 assert(std::distance(list.cbegin(), list.cend()) == 1);
42 assert(std::chrono::remote_version() == version);
43
44 return 0;
45}
46

source code of libcxx/test/std/time/time.zone/time.zone.db/time.zone.db.remote/reload_tzdb.pass.cpp