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// test placement new array
10
11#include <new>
12#include <cassert>
13
14#include "test_macros.h"
15
16int A_constructed = 0;
17
18struct A
19{
20 A() {++A_constructed;}
21 ~A() {--A_constructed;}
22};
23
24int main(int, char**)
25{
26 const std::size_t Size = 3;
27 // placement new might require additional space.
28 const std::size_t ExtraSize = 64;
29 char buf[Size*sizeof(A) + ExtraSize];
30
31 A* ap = new(buf) A[Size];
32 assert((char*)ap >= buf);
33 assert((char*)ap < (buf + ExtraSize));
34 assert(A_constructed == Size);
35
36 return 0;
37}
38

source code of libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.placement/new_array.pass.cpp