| //===----------------------------------------------------------------------===// |
| // |
| // 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++98, 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; |
| } |
