//===----------------------------------------------------------------------===//
//
// 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
// <coroutine>
// template <class Promise = void>
// struct coroutine_handle;
// constexpr strong_ordering operator<=>(coroutine_handle<> x, coroutine_handle<> y) noexcept;
#include <coroutine>
#include <type_traits>
#include <utility>
#include <cstdint>
#include <cassert>
#include "test_macros.h"
template <class C>
void do_test(int *LHSVal, int *RHSVal) {
const C LHS = C::from_address(LHSVal);
const C RHS = C::from_address(RHSVal);
assert((LHS < RHS) == (LHSVal < RHSVal));
assert((RHS < LHS) == (RHSVal < LHSVal));
assert((LHS > RHS) == (LHSVal > RHSVal));
assert((RHS > LHS) == (RHSVal > LHSVal));
assert((LHS <= RHS) == (LHSVal <= RHSVal));
assert((RHS <= LHS) == (RHSVal <= LHSVal));
assert((LHS >= RHS) == (LHSVal >= RHSVal));
assert((RHS >= LHS) == (RHSVal >= LHSVal));
{
static_assert(noexcept(LHS < RHS), "");
static_assert(noexcept(LHS > RHS), "");
static_assert(noexcept(LHS <= RHS), "");
static_assert(noexcept(LHS >= RHS), "");
ASSERT_SAME_TYPE(decltype(LHS < RHS), bool);
ASSERT_SAME_TYPE(decltype(LHS > RHS), bool);
ASSERT_SAME_TYPE(decltype(LHS <= RHS), bool);
ASSERT_SAME_TYPE(decltype(LHS >= RHS), bool);
}
}
int main(int, char**)
{
int i;
std::pair<int *, int *> const TestCases[] = {
{nullptr, nullptr},
{&i, &i},
{nullptr, &i},
{&i, nullptr}
};
for (auto& TC : TestCases) {
do_test<std::coroutine_handle<>>(TC.first, TC.second);
do_test<std::coroutine_handle<int>>(TC.first, TC.second);
}
return 0;
}