| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // REQUIRES: has-unix-headers |
| // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20 |
| // XFAIL: availability-verbose_abort-missing |
| // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_ASSERTIONS=1 |
| |
| // constexpr const E& error() const & noexcept; |
| // constexpr E& error() & noexcept; |
| // constexpr E&& error() && noexcept; |
| // constexpr const E&& error() const && noexcept; |
| // |
| // Preconditions: has_value() is false. |
| |
| #include <expected> |
| #include <utility> |
| |
| #include "check_assertion.h" |
| |
| int main(int, char**) { |
| std::expected<int, int> e{std::in_place, 5}; |
| TEST_LIBCPP_ASSERT_FAILURE(e.error(), "expected::error requires the expected to contain an error"); |
| TEST_LIBCPP_ASSERT_FAILURE(std::as_const(e).error(), "expected::error requires the expected to contain an error"); |
| TEST_LIBCPP_ASSERT_FAILURE(std::move(e).error(), "expected::error requires the expected to contain an error"); |
| TEST_LIBCPP_ASSERT_FAILURE(std::move(std::as_const(e)).error(), "expected::error requires the expected to contain an error"); |
| |
| return 0; |
| } |