| 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 | // <system_error> |
| 10 | |
| 11 | // class error_code |
| 12 | |
| 13 | // template <ErrorCodeEnum E> error_code& operator=(E e); |
| 14 | |
| 15 | #include <system_error> |
| 16 | #include <cassert> |
| 17 | #include <type_traits> |
| 18 | |
| 19 | #include "test_macros.h" |
| 20 | |
| 21 | enum testing |
| 22 | { |
| 23 | zero, one, two |
| 24 | }; |
| 25 | |
| 26 | template <> |
| 27 | struct std::is_error_code_enum<testing> : public std::true_type {}; |
| 28 | |
| 29 | std::error_code |
| 30 | make_error_code(testing x) |
| 31 | { |
| 32 | return std::error_code(static_cast<int>(x), std::generic_category()); |
| 33 | } |
| 34 | |
| 35 | int main(int, char**) |
| 36 | { |
| 37 | { |
| 38 | std::error_code ec; |
| 39 | ec = two; |
| 40 | assert(ec.value() == 2); |
| 41 | assert(ec.category() == std::generic_category()); |
| 42 | } |
| 43 | |
| 44 | return 0; |
| 45 | } |
| 46 | |