| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // <variant> |
| |
| // constexpr bool operator<(monostate, monostate) noexcept { return false; } |
| // constexpr bool operator>(monostate, monostate) noexcept { return false; } |
| // constexpr bool operator<=(monostate, monostate) noexcept { return true; } |
| // constexpr bool operator>=(monostate, monostate) noexcept { return true; } |
| // constexpr bool operator==(monostate, monostate) noexcept { return true; } |
| // constexpr bool operator!=(monostate, monostate) noexcept { return false; } |
| |
| #include "test_macros.h" |
| #include <cassert> |
| #include <type_traits> |
| #include <variant> |
| |
| int main(int, char**) { |
| using M = std::monostate; |
| constexpr M m1{}; |
| constexpr M m2{}; |
| { |
| static_assert((m1 < m2) == false, ""); |
| ASSERT_NOEXCEPT(m1 < m2); |
| } |
| { |
| static_assert((m1 > m2) == false, ""); |
| ASSERT_NOEXCEPT(m1 > m2); |
| } |
| { |
| static_assert((m1 <= m2) == true, ""); |
| ASSERT_NOEXCEPT(m1 <= m2); |
| } |
| { |
| static_assert((m1 >= m2) == true, ""); |
| ASSERT_NOEXCEPT(m1 >= m2); |
| } |
| { |
| static_assert((m1 == m2) == true, ""); |
| ASSERT_NOEXCEPT(m1 == m2); |
| } |
| { |
| static_assert((m1 != m2) == false, ""); |
| ASSERT_NOEXCEPT(m1 != m2); |
| } |
| |
| return 0; |
| } |