File: overaligned.pass.cpp

package info (click to toggle)
cccl 2.3.2-2
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 89,900 kB
  • sloc: cpp: 697,664; ansic: 26,964; python: 11,928; sh: 3,284; asm: 2,154; perl: 460; makefile: 112; xml: 13
file content (38 lines) | stat: -rw-r--r-- 957 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++98, c++03

// <memory>

// template <class T>
//   pair<T*, ptrdiff_t>
//   get_temporary_buffer(ptrdiff_t n);
//
// template <class T>
//   void
//   return_temporary_buffer(T* p);

#include <memory>
#include <cassert>

#include "test_macros.h"

struct alignas(32) A {
    int field;
};

int main(int, char**)
{
    std::pair<A*, std::ptrdiff_t> ip = std::get_temporary_buffer<A>(5);
    assert(!(ip.first == nullptr) ^ (ip.second == 0));
    assert(reinterpret_cast<uintptr_t>(ip.first) % alignof(A) == 0);
    std::return_temporary_buffer(ip.first);

  return 0;
}