| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // test placement new array |
| |
| #include <new> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int A_constructed = 0; |
| |
| struct A |
| { |
| A() {++A_constructed;} |
| ~A() {--A_constructed;} |
| }; |
| |
| int main(int, char**) |
| { |
| const std::size_t Size = 3; |
| // placement new might require additional space. |
| const std::size_t ExtraSize = 64; |
| char buf[Size*sizeof(A) + ExtraSize]; |
| |
| A* ap = new(buf) A[Size]; |
| assert((char*)ap >= buf); |
| assert((char*)ap < (buf + ExtraSize)); |
| assert(A_constructed == Size); |
| |
| return 0; |
| } |