| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 10 | // UNSUPPORTED: no-filesystem, no-localization, no-tzdb |
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| 11 | |
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| 12 | // XFAIL: libcpp-has-no-experimental-tzdb |
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| 13 | // XFAIL: availability-tzdb-missing |
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| 14 | |
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| 15 | // <chrono> |
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| 16 | // |
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| 17 | // class tzdb_list; |
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| 18 | // |
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| 19 | // const_iterator begin() const noexcept; |
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| 20 | // const_iterator end() const noexcept; |
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| 21 | // |
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| 22 | // const_iterator cbegin() const noexcept; |
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| 23 | // const_iterator cend() const noexcept; |
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| 24 | |
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| 25 | #include <chrono> |
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| 26 | #include <iterator> |
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| 27 | #include <cassert> |
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| 28 | |
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| 29 | int main(int, char**) { |
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| 30 | const std::chrono::tzdb_list& list = std::chrono::get_tzdb_list(); |
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| 31 | using it = std::chrono::tzdb_list::const_iterator; |
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| 32 | |
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| 33 | static_assert(noexcept(list.begin())); |
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| 34 | static_assert(noexcept(list.end())); |
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| 35 | static_assert(noexcept(list.cbegin())); |
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| 36 | static_assert(noexcept(list.cend())); |
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| 37 | |
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| 38 | std::same_as<it> auto begin = list.begin(); |
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| 39 | std::same_as<it> auto end = list.end(); |
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| 40 | assert(std::distance(begin, end) == 1); |
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| 41 | |
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| 42 | std::same_as<it> auto cbegin = list.cbegin(); |
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| 43 | assert(begin == cbegin); |
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| 44 | |
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| 45 | std::same_as<it> auto cend = list.cend(); |
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| 46 | assert(end == cend); |
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| 47 | |
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| 48 | return 0; |
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| 49 | } |
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| 50 | |
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