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 tzdb& get_tzdb(); 18 19 #include <algorithm> 20 #include <cassert> 21 #include <chrono> 22 23 #include "test_macros.h" 24 main(int,const char **)25int main(int, const char**) { 26 const std::chrono::tzdb& db = std::chrono::get_tzdb(); 27 28 assert(!db.version.empty()); 29 30 assert(!db.zones.empty()); 31 assert(std::ranges::is_sorted(db.zones)); 32 assert(std::ranges::adjacent_find(db.zones) == db.zones.end()); // is unique? 33 34 assert(!db.links.empty()); 35 assert(std::ranges::is_sorted(db.links)); 36 assert(std::ranges::adjacent_find(db.links) == db.links.end()); // is unique? 37 38 assert(!db.leap_seconds.empty()); 39 assert(std::ranges::is_sorted(db.leap_seconds)); 40 41 return 0; 42 } 43