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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/tuple/requirements/dr2367.cc
1 // { dg-do compile { target c++11 } }
3 // Copyright (C) 2015-2020 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
21 #include <type_traits>
23 // DR 2367, pair and tuple are not correctly implemented for is_constructible with no args
24 void test_default_constructible()
31 typedef std::tuple
<int, X
> T
;
32 static_assert(!std::is_constructible
<T
>::value
, "");
33 static_assert(!std::is_default_constructible
<T
>::value
, "");
35 typedef std::tuple
<int, int, X
> T2
;
36 static_assert(!std::is_constructible
<T2
>::value
, "");
37 static_assert(!std::is_default_constructible
<T2
>::value
, "");
44 test_default_constructible();