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// <forward_list>
10
11// explicit forward_list(const allocator_type& a); // constexpr since C++26
12
13#include <forward_list>
14#include <cassert>
15
16#include "test_allocator.h"
17#include "../../../NotConstructible.h"
18
19TEST_CONSTEXPR_CXX26 bool test() {
20 {
21 typedef test_allocator<NotConstructible> A;
22 typedef A::value_type T;
23 typedef std::forward_list<T, A> C;
24 C c = A(12);
25 assert(c.get_allocator() == A(12));
26 assert(c.empty());
27 }
28
29 return true;
30}
31
32int main(int, char**) {
33 test();
34#if TEST_STD_VER >= 26
35 static_assert(test());
36#endif
37
38 return 0;
39}
40

source code of libcxx/test/std/containers/sequences/forwardlist/forwardlist.cons/alloc.compile.fail.cpp