| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // UNSUPPORTED: c++03, c++11, c++14, c++17 |
| |
| // <chrono> |
| // class weekday; |
| |
| // constexpr weekday& operator++() noexcept; |
| // constexpr weekday operator++(int) noexcept; |
| |
| #include <chrono> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "../../euclidian.h" |
| |
| using weekday = std::chrono::weekday; |
| |
| constexpr bool test() { |
| for (unsigned i = 0; i <= 6; ++i) { |
| weekday wd(i); |
| assert(((++wd).c_encoding() == euclidian_addition<unsigned, 0, 6>(i, 1))); |
| assert(((wd++).c_encoding() == euclidian_addition<unsigned, 0, 6>(i, 1))); |
| assert(((wd).c_encoding() == euclidian_addition<unsigned, 0, 6>(i, 2))); |
| } |
| |
| return true; |
| } |
| |
| int main(int, char**) { |
| ASSERT_NOEXCEPT(++(std::declval<weekday&>())); |
| ASSERT_NOEXCEPT((std::declval<weekday&>())++); |
| |
| ASSERT_SAME_TYPE(weekday, decltype(std::declval<weekday&>()++)); |
| ASSERT_SAME_TYPE(weekday&, decltype(++std::declval<weekday&>())); |
| |
| test(); |
| static_assert(test()); |
| |
| return 0; |
| } |