| // Copyright (C) 2015-2021 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 compile { target c++11 } } |
| |
| #include <tuple> |
| |
| class Empty { }; |
| |
| using std::tuple; |
| using char_pair = tuple<char, char>; |
| |
| static_assert( sizeof(tuple<Empty, char_pair>) == sizeof(char_pair), |
| "Nested tuple tuple<Empty, tuple<T,T>> is too big"); |
| |
| static_assert( sizeof(tuple<char_pair, char_pair>) == (2 * sizeof(char_pair)), |
| "Nested tuple<tuple<T,T, tuple<T,T>> is too big" ); |
