46 lines · 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-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710// UNSUPPORTED: no-filesystem, no-localization, no-tzdb11 12// XFAIL: libcpp-has-no-experimental-tzdb13// XFAIL: availability-tzdb-missing14 15// <chrono>16 17// Note there is no Standard way to change the remote database used.18// That is tested in19// test/libcxx/time/time.zone/time.zone.db/time.zone.db.remote/reload_tzdb.pass.cpp20 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