| 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<int>(); |
| 41 | test<void>(); |
| 42 | |
| 43 | #if TEST_STD_VER > 17 |
| 44 | static_assert(test<char>()); |
| 45 | static_assert(test<int>()); |
| 46 | static_assert(test<void>()); |
| 47 | #endif |
| 48 | return 0; |
| 49 | } |
| 50 | |