//===----------------------------------------------------------------------===//
//
// 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, c++20
// test libc++ noexcept extensions on operations of std::expected<T, E>
#include <expected>
#include <type_traits>
#include <utility>
#include "../types.h"
// expected();
static_assert(std::is_nothrow_default_constructible_v<std::expected<int, int>>);
static_assert(!std::is_nothrow_default_constructible_v<std::expected<DefaultMayThrow, int>>);
// expected(const expected&)
static_assert(std::is_nothrow_copy_constructible_v<std::expected<int, int>>);
static_assert(!std::is_nothrow_copy_constructible_v<std::expected<CopyMayThrow, int>>);
static_assert(!std::is_nothrow_copy_constructible_v<std::expected<int, CopyMayThrow>>);
// expected(const expected<OtherT, OtherE>&)
static_assert(std::is_nothrow_constructible_v< //
std::expected<long, long>,
const std::expected<int, int>&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<ConvertFromCopyIntMayThrow, long>,
const std::expected<int, int>&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<long, ConvertFromCopyIntMayThrow>,
const std::expected<int, int>&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<ConvertFromCopyIntMayThrow, ConvertFromCopyIntMayThrow>, //
const std::expected<int, int>&>);
// expected(expected<OtherT, OtherE>&&)
static_assert(std::is_nothrow_constructible_v< //
std::expected<long, long>,
std::expected<int, int>&&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<ConvertFromMoveIntMayThrow, long>,
std::expected<int, int>&&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<long, ConvertFromMoveIntMayThrow>,
std::expected<int, int>&&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<ConvertFromMoveIntMayThrow, ConvertFromMoveIntMayThrow>, //
std::expected<int, int>&&>);
// expected(U&&)
static_assert(std::is_nothrow_constructible_v< //
std::expected<int, int>,
const int&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<ConvertFromCopyIntMayThrow, int>,
const int&>);
// expected(const unexpected<OtherE>&)
static_assert(std::is_nothrow_constructible_v< //
std::expected<int, long>,
const std::unexpected<int>&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<int, ConvertFromCopyIntMayThrow>,
const std::unexpected<int>&>);
// expected(unexpected<OtherE>&&)
static_assert(std::is_nothrow_constructible_v< //
std::expected<int, long>,
std::unexpected<int>&&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<int, ConvertFromMoveIntMayThrow>,
std::unexpected<int>&&>);
// expected(in_place_t, _Args&&...);
static_assert(std::is_nothrow_constructible_v< //
std::expected<int, int>,
std::in_place_t,
const int&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<ConvertFromCopyIntMayThrow, int>,
std::in_place_t,
const int&>);
// expected(in_place_t, initializer_list<U>, _Args&&...);
static_assert(std::is_nothrow_constructible_v< //
std::expected<ConvertFromInitializerListNoexcept, int>,
std::in_place_t,
std::initializer_list<int>>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<ConvertFromInitializerListMayThrow, int>,
std::in_place_t,
std::initializer_list<int>>);
// expected(unexpect_t, _Args&&...);
static_assert(std::is_nothrow_constructible_v< //
std::expected<int, int>,
std::unexpect_t,
const int&>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<int, ConvertFromCopyIntMayThrow>,
std::unexpect_t,
const int&>);
// expected(unexpect_t, initializer_list<U>, _Args&&...);
static_assert(std::is_nothrow_constructible_v< //
std::expected<int, ConvertFromInitializerListNoexcept>,
std::unexpect_t,
std::initializer_list<int>>);
static_assert(!std::is_nothrow_constructible_v< //
std::expected<int, ConvertFromInitializerListMayThrow>,
std::unexpect_t,
std::initializer_list<int>>);
// expected& operator=(const expected&)
static_assert(std::is_nothrow_copy_assignable_v<std::expected<int, int>>);
static_assert(!std::is_nothrow_copy_assignable_v<std::expected<CopyConstructMayThrow, int>>);
static_assert(!std::is_nothrow_copy_assignable_v<std::expected<CopyAssignMayThrow, int>>);
static_assert(!std::is_nothrow_copy_assignable_v<std::expected<int, CopyConstructMayThrow>>);
static_assert(!std::is_nothrow_copy_assignable_v<std::expected<int, CopyAssignMayThrow>>);