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 | // <memory> |
10 | // |
11 | // template <class T> |
12 | // class allocator |
13 | // { |
14 | // public: // All of these are constexpr after C++17 |
15 | // allocator() noexcept; |
16 | // allocator(const allocator&) noexcept; |
17 | // template<class U> allocator(const allocator<U>&) noexcept; |
18 | // ... |
19 | // }; |
20 | |
21 | #include <memory> |
22 | #include <cstddef> |
23 | |
24 | #include "test_macros.h" |
25 | |
26 | template<class T> |
27 | TEST_CONSTEXPR_CXX20 bool test() { |
28 | typedef std::allocator<T> A1; |
29 | typedef std::allocator<long> A2; |
30 | |
31 | A1 a1; |
32 | A1 a1_copy = a1; (void)a1_copy; |
33 | A2 a2 = a1; (void)a2; |
34 | |
35 | return true; |
36 | } |
37 | |
38 | int main(int, char**) { |
39 | test<char>(); |
40 | test<char const>(); |
41 | test<void>(); |
42 | |
43 | #if TEST_STD_VER > 17 |
44 | static_assert(test<char>()); |
45 | static_assert(test<char const>()); |
46 | static_assert(test<void>()); |
47 | #endif |
48 | return 0; |
49 | } |
50 | |