| 1 | //===----------------------------------------------------------------------===// |
|---|
| 2 | // |
|---|
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | |
|---|
| 9 | // UNSUPPORTED: c++03, c++11, c++14 |
|---|
| 10 | // <optional> |
|---|
| 11 | |
|---|
| 12 | // T shall be an object type other than cv in_place_t or cv nullopt_t |
|---|
| 13 | // and shall satisfy the Cpp17Destructible requirements. |
|---|
| 14 | // Note: array types do not satisfy the Cpp17Destructible requirements. |
|---|
| 15 | |
|---|
| 16 | #include <optional> |
|---|
| 17 | #include <type_traits> |
|---|
| 18 | #include <cassert> |
|---|
| 19 | |
|---|
| 20 | #include "test_macros.h" |
|---|
| 21 | |
|---|
| 22 | struct NonDestructible { ~NonDestructible() = delete; }; |
|---|
| 23 | |
|---|
| 24 | int main(int, char**) |
|---|
| 25 | { |
|---|
| 26 | { |
|---|
| 27 | std::optional<char &> o1; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with a reference type is ill-formed}} |
|---|
| 28 | std::optional<NonDestructible> o2; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with a non-destructible type is ill-formed}} |
|---|
| 29 | std::optional<char[20]> o3; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with an array type is ill-formed}} |
|---|
| 30 | } |
|---|
| 31 | |
|---|
| 32 | { |
|---|
| 33 | std::optional< std::in_place_t> o1; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with in_place_t is ill-formed}} |
|---|
| 34 | std::optional<const std::in_place_t> o2; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with in_place_t is ill-formed}} |
|---|
| 35 | std::optional< volatile std::in_place_t> o3; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with in_place_t is ill-formed}} |
|---|
| 36 | std::optional<const volatile std::in_place_t> o4; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with in_place_t is ill-formed}} |
|---|
| 37 | } |
|---|
| 38 | |
|---|
| 39 | { |
|---|
| 40 | std::optional< std::nullopt_t> o1; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with nullopt_t is ill-formed}} |
|---|
| 41 | std::optional<const std::nullopt_t> o2; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with nullopt_t is ill-formed}} |
|---|
| 42 | std::optional< volatile std::nullopt_t> o3; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with nullopt_t is ill-formed}} |
|---|
| 43 | std::optional<const volatile std::nullopt_t> o4; // expected-error-re@optional:* {{static assertion failed{{.*}}instantiation of optional with nullopt_t is ill-formed}} |
|---|
| 44 | } |
|---|
| 45 | |
|---|
| 46 | return 0; |
|---|
| 47 | } |
|---|
| 48 | |
|---|
