| //===----------------------------------------------------------------------===// |
| // |
| // 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++98, c++03, c++11, c++14, c++17 |
| |
| // <chrono> |
| // class month_day; |
| |
| // constexpr month_day |
| // operator/(const month& m, const day& d) noexcept; |
| // Returns: {m, d}. |
| // |
| // constexpr month_day |
| // operator/(const day& d, const month& m) noexcept; |
| // Returns: m / d. |
| |
| // constexpr month_day |
| // operator/(const month& m, int d) noexcept; |
| // Returns: m / day(d). |
| // |
| // constexpr month_day |
| // operator/(int m, const day& d) noexcept; |
| // Returns: month(m) / d. |
| // |
| // constexpr month_day |
| // operator/(const day& d, int m) noexcept; |
| // Returns: month(m) / d. |
| |
| |
| #include <chrono> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "test_comparisons.h" |
| |
| int main(int, char**) |
| { |
| using month_day = std::chrono::month_day; |
| using month = std::chrono::month; |
| using day = std::chrono::day; |
| |
| constexpr month February = std::chrono::February; |
| |
| { // operator/(const month& m, const day& d) (and switched) |
| ASSERT_NOEXCEPT ( February/day{1}); |
| ASSERT_SAME_TYPE(month_day, decltype(February/day{1})); |
| ASSERT_NOEXCEPT ( day{1}/February); |
| ASSERT_SAME_TYPE(month_day, decltype(day{1}/February)); |
| |
| for (int i = 1; i <= 12; ++i) |
| for (unsigned j = 0; j <= 30; ++j) |
| { |
| month m(i); |
| day d{j}; |
| month_day md1 = m/d; |
| month_day md2 = d/m; |
| assert(md1.month() == m); |
| assert(md1.day() == d); |
| assert(md2.month() == m); |
| assert(md2.day() == d); |
| assert(md1 == md2); |
| } |
| } |
| |
| |
| { // operator/(const month& m, int d) (NOT switched) |
| ASSERT_NOEXCEPT ( February/2); |
| ASSERT_SAME_TYPE(month_day, decltype(February/2)); |
| |
| for (int i = 1; i <= 12; ++i) |
| for (unsigned j = 0; j <= 30; ++j) |
| { |
| month m(i); |
| day d(j); |
| month_day md1 = m/j; |
| assert(md1.month() == m); |
| assert(md1.day() == d); |
| } |
| } |
| |
| |
| { // operator/(const day& d, int m) (and switched) |
| ASSERT_NOEXCEPT ( day{2}/2); |
| ASSERT_SAME_TYPE(month_day, decltype(day{2}/2)); |
| ASSERT_NOEXCEPT ( 2/day{2}); |
| ASSERT_SAME_TYPE(month_day, decltype(2/day{2})); |
| |
| for (int i = 1; i <= 12; ++i) |
| for (unsigned j = 0; j <= 30; ++j) |
| { |
| month m(i); |
| day d(j); |
| month_day md1 = d/i; |
| month_day md2 = i/d; |
| assert(md1.month() == m); |
| assert(md1.day() == d); |
| assert(md2.month() == m); |
| assert(md2.day() == d); |
| assert(md1 == md2); |
| } |
| } |
| |
| return 0; |
| } |