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// Copyright (C) 2016-2022 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/>.
// { dg-options "-faligned-new" }
// { dg-do run { target c++11 } }
// { dg-require-cstdint "" }
#include <ext/malloc_allocator.h>
#include <cstddef>
#include <cstdint>
#include <testsuite_hooks.h>
constexpr std::size_t align = alignof(std::max_align_t) * 2;
struct X {
alignas(align) char c;
};
void
test01()
{
__gnu_cxx::malloc_allocator<X> a;
#if __cplusplus > 201402L && _GLIBCXX_HAVE_ALIGNED_ALLOC
X* p1 = a.allocate(1);
VERIFY( (reinterpret_cast<std::uintptr_t>(p1) % align) == 0 );
a.deallocate(p1, 1);
X* p2 = a.allocate(20);
VERIFY( (reinterpret_cast<std::uintptr_t>(p2) % align) == 0 );
a.deallocate(p2, 20);
#else
// Allocating for extended alignment is unreliable without aligned_alloc()
try
{
X* p1 = a.allocate(1);
VERIFY( (reinterpret_cast<std::uintptr_t>(p1) % align) == 0 );
a.deallocate(p1, 1);
}
catch (const std::bad_alloc&)
{ }
try
{
X* p2 = a.allocate(20);
VERIFY( (reinterpret_cast<std::uintptr_t>(p2) % align) == 0 );
a.deallocate(p2, 20);
}
catch (const std::bad_alloc&)
{ }
#endif
}
int
main()
{
test01();
}