| // { dg-do run { target c++11 } } |
| |
| // 2020-09-20 Glen Joseph Fernandes <glenjofe@gmail.com> |
| |
| // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the terms |
| // of the GNU General Public License as published by the Free Software |
| // Foundation; either version 3, or (at your option) any later |
| // version. |
| |
| // This library is distributed in the hope that it will be useful, but |
| // WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| // General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License |
| // along with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // C++11 [ptr.align] (20.6.5): std::align |
| |
| #include <memory> |
| #include <testsuite_hooks.h> |
| |
| void test01() |
| { |
| void* p1 = reinterpret_cast<void*>(5); |
| void* p2 = p1; |
| std::size_t s1 = 3072; |
| std::size_t s2 = s1; |
| VERIFY(std::align(1024, static_cast<std::size_t>(-1), p1, s1) == nullptr); |
| VERIFY(p1 == p2); |
| VERIFY(s1 == s2); |
| } |
| |
| void test02() |
| { |
| void* p1 = reinterpret_cast<void*>(1); |
| void* p2 = p1; |
| std::size_t s1 = -1; |
| std::size_t s2 = s1; |
| VERIFY(std::align(2, static_cast<std::size_t>(-1), p1, s1) == nullptr); |
| VERIFY(p1 == p2); |
| VERIFY(s1 == s2); |
| } |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| } |