mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-04 01:50:38 +00:00
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
// Copyright (C) 2015-2017 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-do run { target c++14 } }
|
|
|
|
#include <experimental/any>
|
|
#include <cstdint>
|
|
#include <testsuite_hooks.h>
|
|
|
|
// Alignment requiremnts of this type prevent it being stored in 'any'
|
|
struct alignas(2 * alignof(void*)) X { };
|
|
|
|
bool
|
|
stored_internally(void* obj, const std::experimental::any& a)
|
|
{
|
|
std::uintptr_t a_addr = reinterpret_cast<std::uintptr_t>(&a);
|
|
std::uintptr_t a_end = a_addr + sizeof(a);
|
|
std::uintptr_t obj_addr = reinterpret_cast<std::uintptr_t>(obj);
|
|
return (a_addr <= obj_addr) && (obj_addr < a_end);
|
|
}
|
|
|
|
void
|
|
test01()
|
|
{
|
|
std::experimental::any a = X{};
|
|
X& x = std::experimental::any_cast<X&>(a);
|
|
VERIFY( !stored_internally(&x, a) );
|
|
|
|
a = 'X';
|
|
char& c = std::experimental::any_cast<char&>(a);
|
|
VERIFY( stored_internally(&c, a) );
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
test01();
|
|
}
|