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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/tuple/56785.cc
1 // Copyright (C) 2015-2022 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // { dg-do compile { target c++11 } }
25 using char_pair
= tuple
<char, char>;
27 static_assert( sizeof(tuple
<Empty
, char_pair
>) == sizeof(char_pair
),
28 "Nested tuple tuple<Empty, tuple<T,T>> is too big");
30 static_assert( sizeof(tuple
<char_pair
, char_pair
>) == (2 * sizeof(char_pair
)),
31 "Nested tuple<tuple<T,T, tuple<T,T>> is too big" );