| 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 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
|---|
| 9 | |
|---|
| 10 | // <chrono> |
|---|
| 11 | // class weekday; |
|---|
| 12 | |
|---|
| 13 | // constexpr unsigned c_encoding() const noexcept; |
|---|
| 14 | |
|---|
| 15 | #include <chrono> |
|---|
| 16 | #include <cassert> |
|---|
| 17 | #include <type_traits> |
|---|
| 18 | #include <utility> |
|---|
| 19 | |
|---|
| 20 | #include "test_macros.h" |
|---|
| 21 | |
|---|
| 22 | using weekday = std::chrono::weekday; |
|---|
| 23 | |
|---|
| 24 | constexpr bool test() { |
|---|
| 25 | for (unsigned i = 0; i <= 10; ++i) { |
|---|
| 26 | weekday wd(i); |
|---|
| 27 | assert(wd.c_encoding() == (i == 7 ? 0 : i)); |
|---|
| 28 | } |
|---|
| 29 | |
|---|
| 30 | return true; |
|---|
| 31 | } |
|---|
| 32 | |
|---|
| 33 | int main(int, char**) { |
|---|
| 34 | ASSERT_NOEXCEPT(std::declval<weekday&>().c_encoding()); |
|---|
| 35 | ASSERT_SAME_TYPE(unsigned, decltype(std::declval<weekday&>().c_encoding())); |
|---|
| 36 | |
|---|
| 37 | test(); |
|---|
| 38 | static_assert(test()); |
|---|
| 39 | |
|---|
| 40 | return 0; |
|---|
| 41 | } |
|---|
| 42 | |
|---|
