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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
// <optional>
// T shall be an object type other than cv in_place_t or cv nullopt_t
// and shall satisfy the Cpp17Destructible requirements.
// Note: array types do not satisfy the Cpp17Destructible requirements.
#include <optional>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
struct NonDestructible { ~NonDestructible() = delete; };
int main(int, char**)
{
{
std::optional<char &> o1; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with a reference type is ill-formed"}}
std::optional<NonDestructible> o2; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with a non-destructible type is ill-formed"}}
std::optional<char[20]> o3; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with an array type is ill-formed"}}
}
{
std::optional< std::in_place_t> o1; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with in_place_t is ill-formed"}}
std::optional<const std::in_place_t> o2; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with in_place_t is ill-formed"}}
std::optional< volatile std::in_place_t> o3; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with in_place_t is ill-formed"}}
std::optional<const volatile std::in_place_t> o4; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with in_place_t is ill-formed"}}
}
{
std::optional< std::nullopt_t> o1; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with nullopt_t is ill-formed"}}
std::optional<const std::nullopt_t> o2; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with nullopt_t is ill-formed"}}
std::optional< volatile std::nullopt_t> o3; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with nullopt_t is ill-formed"}}
std::optional<const volatile std::nullopt_t> o4; // expected-error-re@optional:* {{static_assert failed{{.*}} "instantiation of optional with nullopt_t is ill-formed"}}
}
return 0;
}
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