| //===----------------------------------------------------------------------===// |
| // |
| // 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, c++17 |
| |
| // <span> |
| // |
| // constexpr span<T, Extent>::span(Range&& r); |
| // |
| // Check that we ensure `size(r) == Extent`. |
| |
| // REQUIRES: has-unix-headers |
| // XFAIL: availability-verbose_abort-missing |
| // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_ASSERTIONS=1 |
| |
| #include <span> |
| #include <vector> |
| |
| #include "check_assertion.h" |
| |
| int main(int, char**) { |
| std::vector<int> vec{0, 1, 2}; // must use std::vector instead of std::array, because std::span has a special constructor from std::array |
| |
| auto invalid_size = [&] { std::span<int, 2> const s(vec); (void)s; }; |
| TEST_LIBCPP_ASSERT_FAILURE(invalid_size(), "size mismatch in span's constructor (range)"); |
| |
| return 0; |
| } |
