relops.pass.cpp
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// -*- 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++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;
}