| 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, c++17, c++20 |
|---|
| 10 | |
|---|
| 11 | // template<container-compatible-range<T> R> |
|---|
| 12 | // constexpr void prepend_range(R&& rg); // C++23 |
|---|
| 13 | |
|---|
| 14 | #include <list> |
|---|
| 15 | |
|---|
| 16 | #include "../../insert_range_sequence_containers.h" |
|---|
| 17 | #include "test_macros.h" |
|---|
| 18 | |
|---|
| 19 | // Tested cases: |
|---|
| 20 | // - different kinds of insertions (prepending an {empty/one-element/mid-sized/long range} into an |
|---|
| 21 | // {empty/one-element/full} container); |
|---|
| 22 | // - prepending move-only elements; |
|---|
| 23 | // - an exception is thrown when copying the elements or when allocating new elements. |
|---|
| 24 | int main(int, char**) { |
|---|
| 25 | static_assert(test_constraints_prepend_range<std::list, int, double>()); |
|---|
| 26 | |
|---|
| 27 | for_all_iterators_and_allocators<int, const int*>([]<class Iter, class Sent, class Alloc>() { |
|---|
| 28 | test_sequence_prepend_range<std::list<int, Alloc>, Iter, Sent>([](auto&&) { |
|---|
| 29 | // No additional validation to do. |
|---|
| 30 | }); |
|---|
| 31 | }); |
|---|
| 32 | test_sequence_prepend_range_move_only<std::list>(); |
|---|
| 33 | |
|---|
| 34 | test_prepend_range_exception_safety_throwing_copy<std::list>(); |
|---|
| 35 | test_prepend_range_exception_safety_throwing_allocator<std::list, int>(); |
|---|
| 36 | |
|---|
| 37 | return 0; |
|---|
| 38 | } |
|---|
| 39 | |
|---|
