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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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// <compare>
// constexpr bool is_eq (partial_ordering cmp) noexcept { return cmp == 0; }
// constexpr bool is_neq (partial_ordering cmp) noexcept { return cmp != 0; }
// constexpr bool is_lt (partial_ordering cmp) noexcept { return cmp < 0; }
// constexpr bool is_lteq(partial_ordering cmp) noexcept { return cmp <= 0; }
// constexpr bool is_gt (partial_ordering cmp) noexcept { return cmp > 0; }
// constexpr bool is_gteq(partial_ordering cmp) noexcept { return cmp >= 0; }
#include <compare>
#include <cassert>
#include "test_macros.h"
constexpr bool test()
{
assert(!std::is_eq(std::strong_ordering::less));
assert( std::is_eq(std::strong_ordering::equal));
assert(!std::is_eq(std::strong_ordering::greater));
assert(!std::is_eq(std::weak_ordering::less));
assert( std::is_eq(std::weak_ordering::equivalent));
assert(!std::is_eq(std::weak_ordering::greater));
assert(!std::is_eq(std::partial_ordering::less));
assert( std::is_eq(std::partial_ordering::equivalent));
assert(!std::is_eq(std::partial_ordering::greater));
assert(!std::is_eq(std::partial_ordering::unordered));
assert( std::is_neq(std::strong_ordering::less));
assert(!std::is_neq(std::strong_ordering::equal));
assert( std::is_neq(std::strong_ordering::greater));
assert( std::is_neq(std::weak_ordering::less));
assert(!std::is_neq(std::weak_ordering::equivalent));
assert( std::is_neq(std::weak_ordering::greater));
assert( std::is_neq(std::partial_ordering::less));
assert(!std::is_neq(std::partial_ordering::equivalent));
assert( std::is_neq(std::partial_ordering::greater));
assert( std::is_neq(std::partial_ordering::unordered));
assert( std::is_lt(std::strong_ordering::less));
assert(!std::is_lt(std::strong_ordering::equal));
assert(!std::is_lt(std::strong_ordering::greater));
assert( std::is_lt(std::weak_ordering::less));
assert(!std::is_lt(std::weak_ordering::equivalent));
assert(!std::is_lt(std::weak_ordering::greater));
assert( std::is_lt(std::partial_ordering::less));
assert(!std::is_lt(std::partial_ordering::equivalent));
assert(!std::is_lt(std::partial_ordering::greater));
assert(!std::is_lt(std::partial_ordering::unordered));
assert( std::is_lteq(std::strong_ordering::less));
assert( std::is_lteq(std::strong_ordering::equal));
assert(!std::is_lteq(std::strong_ordering::greater));
assert( std::is_lteq(std::weak_ordering::less));
assert( std::is_lteq(std::weak_ordering::equivalent));
assert(!std::is_lteq(std::weak_ordering::greater));
assert( std::is_lteq(std::partial_ordering::less));
assert( std::is_lteq(std::partial_ordering::equivalent));
assert(!std::is_lteq(std::partial_ordering::greater));
assert(!std::is_lteq(std::partial_ordering::unordered));
assert(!std::is_gt(std::strong_ordering::less));
assert(!std::is_gt(std::strong_ordering::equal));
assert( std::is_gt(std::strong_ordering::greater));
assert(!std::is_gt(std::weak_ordering::less));
assert(!std::is_gt(std::weak_ordering::equivalent));
assert( std::is_gt(std::weak_ordering::greater));
assert(!std::is_gt(std::partial_ordering::less));
assert(!std::is_gt(std::partial_ordering::equivalent));
assert( std::is_gt(std::partial_ordering::greater));
assert(!std::is_gt(std::partial_ordering::unordered));
assert(!std::is_gteq(std::strong_ordering::less));
assert( std::is_gteq(std::strong_ordering::equal));
assert( std::is_gteq(std::strong_ordering::greater));
assert(!std::is_gteq(std::weak_ordering::less));
assert( std::is_gteq(std::weak_ordering::equivalent));
assert( std::is_gteq(std::weak_ordering::greater));
assert(!std::is_gteq(std::partial_ordering::less));
assert( std::is_gteq(std::partial_ordering::equivalent));
assert( std::is_gteq(std::partial_ordering::greater));
assert(!std::is_gteq(std::partial_ordering::unordered));
// Test noexceptness.
ASSERT_NOEXCEPT(std::is_eq(std::partial_ordering::less));
ASSERT_NOEXCEPT(std::is_neq(std::partial_ordering::less));
ASSERT_NOEXCEPT(std::is_lt(std::partial_ordering::less));
ASSERT_NOEXCEPT(std::is_lteq(std::partial_ordering::less));
ASSERT_NOEXCEPT(std::is_gt(std::partial_ordering::less));
ASSERT_NOEXCEPT(std::is_gteq(std::partial_ordering::less));
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
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