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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
// clang-cl and cl currently don't support [[no_unique_address]]
// XFAIL: msvc
// [algorithms.results]/1
// Each of the class templates specified in this subclause has the template parameters,
// data members, and special members specified below, and has no base classes or members
// other than those specified.
#include <algorithm>
#include "test_macros.h"
struct Empty {};
struct Empty2 {};
static_assert(sizeof(std::ranges::in_fun_result<Empty, int>) == sizeof(int));
static_assert(sizeof(std::ranges::in_fun_result<int, Empty>) == sizeof(int));
static_assert(sizeof(std::ranges::in_fun_result<Empty, Empty>) == 2);
static_assert(sizeof(std::ranges::in_in_result<Empty, int>) == sizeof(int));
static_assert(sizeof(std::ranges::in_in_result<int, Empty>) == sizeof(int));
static_assert(sizeof(std::ranges::in_in_result<Empty, Empty>) == 2);
static_assert(sizeof(std::ranges::in_out_result<Empty, int>) == sizeof(int));
static_assert(sizeof(std::ranges::in_out_result<int, Empty>) == sizeof(int));
static_assert(sizeof(std::ranges::in_out_result<Empty, Empty2>) == sizeof(char));
static_assert(sizeof(std::ranges::in_in_out_result<Empty, int, int>) == 2 * sizeof(int));
static_assert(sizeof(std::ranges::in_in_out_result<int, Empty, int>) == 2 * sizeof(int));
static_assert(sizeof(std::ranges::in_in_out_result<int, int, Empty>) == 2 * sizeof(int));
static_assert(sizeof(std::ranges::in_in_out_result<char, Empty, Empty>) == 2);
static_assert(sizeof(std::ranges::in_in_out_result<Empty, char, Empty>) == 2);
static_assert(sizeof(std::ranges::in_in_out_result<Empty, Empty, char>) == 2);
static_assert(sizeof(std::ranges::in_in_out_result<int, Empty, Empty2>) == sizeof(int));
static_assert(sizeof(std::ranges::in_in_out_result<Empty, Empty, Empty>) == 3);
static_assert(sizeof(std::ranges::in_out_out_result<Empty, int, int>) == 2 * sizeof(int));
static_assert(sizeof(std::ranges::in_out_out_result<int, Empty, int>) == 2 * sizeof(int));
static_assert(sizeof(std::ranges::in_out_out_result<int, int, Empty>) == 2 * sizeof(int));
static_assert(sizeof(std::ranges::in_out_out_result<char, Empty, Empty>) == 2);
static_assert(sizeof(std::ranges::in_out_out_result<Empty, char, Empty>) == 2);
static_assert(sizeof(std::ranges::in_out_out_result<Empty, Empty, char>) == 2);
static_assert(sizeof(std::ranges::in_out_out_result<int, Empty, Empty2>) == sizeof(int));
static_assert(sizeof(std::ranges::in_out_out_result<Empty, Empty, Empty>) == 3);
#if _LIBCPP_STD_VER >= 23
static_assert(sizeof(std::ranges::out_value_result<Empty, int>) == sizeof(int));
static_assert(sizeof(std::ranges::out_value_result<int, Empty>) == sizeof(int));
static_assert(sizeof(std::ranges::out_value_result<Empty, Empty>) == 2);
static_assert(sizeof(std::ranges::in_value_result<Empty, int>) == sizeof(int));
static_assert(sizeof(std::ranges::in_value_result<int, Empty>) == sizeof(int));
static_assert(sizeof(std::ranges::in_value_result<Empty, Empty2>) == sizeof(Empty2));
#endif // TEST_STD_VER
// In min_max_result both elements have the same type, so they can't have the same address.
// So the only way to test that [[no_unique_address]] is used is to have it in another struct
struct MinMaxNoUniqueAddress {
int a;
TEST_NO_UNIQUE_ADDRESS std::ranges::min_max_result<Empty> b;
int c;
};
static_assert(sizeof(std::ranges::min_max_result<Empty>) == 2);
static_assert(sizeof(MinMaxNoUniqueAddress) == 8);
static_assert(sizeof(std::ranges::in_found_result<Empty>) == sizeof(bool));
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