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// const time_zone* locate_zone(string_view tz_name);
18
19#include <cassert>
20#include <chrono>
21#include <string_view>
22
23#include "test_macros.h"
24#include "assert_macros.h"
25#include "concat_macros.h"
26
27static void test_zone(std::string_view zone) {
28 const std::chrono::time_zone* tz = std::chrono::locate_zone(zone);
29 assert(tz);
30 assert(tz->name() == zone);
31}
32
33static void test_link(std::string_view link, std::string_view zone) {
34 const std::chrono::time_zone* tz = std::chrono::locate_zone(link);
35 assert(tz);
36 assert(tz->name() == zone);
37}
38
39static void test_exception([[maybe_unused]] std::string_view zone) {
40 TEST_VALIDATE_EXCEPTION(
41 std::runtime_error,
42 [&]([[maybe_unused]] const std::runtime_error& e) {
43 [[maybe_unused]] std::string_view what{"tzdb: requested time zone not found"};
44 TEST_LIBCPP_REQUIRE(
45 e.what() == what,
46 TEST_WRITE_CONCATENATED("\nExpected exception ", what, "\nActual exception ", e.what(), '\n'));
47 },
48 TEST_IGNORE_NODISCARD std::chrono::locate_zone(zone));
49}
50
51int main(int, const char**) {
52 const std::chrono::tzdb& db = std::chrono::get_tzdb();
53 for (const auto& zone : db.zones)
54 test_zone(zone.name());
55
56 for (const auto& link : db.links)
57 test_link(link.name(), link.target());
58
59 test_exception(zone: "This is not a time zone");
60
61 return 0;
62}
63

source code of libcxx/test/std/time/time.zone/time.zone.db/time.zone.db.access/locate_zone.pass.cpp