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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// REQUIRES: std-at-least-c++26
// <utility>
// 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; }
// constexpr strong_ordering operator<=>(monostate, monostate) noexcept { return strong_ordering::equal; } // since C++20
#include <cassert>
#include <utility>
#include "test_comparisons.h"
#include "test_macros.h"
constexpr bool test() {
using M = std::monostate;
constexpr M m1{};
constexpr M m2{};
assert(testComparisons(m1, m2, /*isEqual*/ true, /*isLess*/ false));
AssertComparisonsAreNoexcept<M>();
#if TEST_STD_VER > 17
assert(testOrder(m1, m2, std::strong_ordering::equal));
AssertOrderAreNoexcept<M>();
#endif // TEST_STD_VER > 17
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
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