65 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// struct tzdb18 19// const time_zone* locate_zone(string_view tz_name) const;20 21#include <cassert>22#include <chrono>23#include <string_view>24 25#include "test_macros.h"26#include "assert_macros.h"27#include "concat_macros.h"28 29static void test_zone(std::string_view zone) {30 const std::chrono::time_zone* tz = std::chrono::get_tzdb().locate_zone(zone);31 assert(tz);32 assert(tz->name() == zone);33}34 35static void test_link(std::string_view link, std::string_view zone) {36 const std::chrono::time_zone* tz = std::chrono::get_tzdb().locate_zone(link);37 assert(tz);38 assert(tz->name() == zone);39}40 41static void test_exception([[maybe_unused]] std::string_view zone) {42 TEST_VALIDATE_EXCEPTION(43 std::runtime_error,44 [&]([[maybe_unused]] const std::runtime_error& e) {45 [[maybe_unused]] std::string_view what{"tzdb: requested time zone not found"};46 TEST_LIBCPP_REQUIRE(47 e.what() == what,48 TEST_WRITE_CONCATENATED("\nExpected exception ", what, "\nActual exception ", e.what(), '\n'));49 },50 TEST_IGNORE_NODISCARD std::chrono::get_tzdb().locate_zone(zone));51}52 53int main(int, const char**) {54 const std::chrono::tzdb& db = std::chrono::get_tzdb();55 for (const auto& zone : db.zones)56 test_zone(zone.name());57 58 for (const auto& link : db.links)59 test_link(link.name(), link.target());60 61 test_exception("This is not a time zone");62 63 return 0;64}65