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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/pair/87822.cc
1 // Copyright (C) 2018-2024 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/>.
19 #include <testsuite_hooks.h>
24 std::pair
<std::pair
<int, int>, int> p
;
25 #if __cplusplus >= 201103L
26 static_assert(sizeof(p
) == (3 * sizeof(int)), "PR libstdc++/87822");
28 VERIFY( (void*)&p
== (void*)&p
.first
);
29 VERIFY( (void*)&p
== (void*)&p
.first
.first
);
37 std::pair
<std::pair
<empty
, empty
>, empty
> p
;
38 #if __cplusplus >= 201103L
39 static_assert(sizeof(p
) == (3 * sizeof(empty
)), "PR libstdc++/87822");
41 VERIFY( (void*)&p
== (void*)&p
.first
);
47 typedef std::pair
<int, int> int_pair
;
48 typedef std::pair
<int_pair
, int_pair
> int_pair_pair
;
49 std::pair
<int_pair_pair
, int_pair_pair
> p
;
50 #if __cplusplus >= 201103L
51 static_assert(sizeof(int_pair_pair
) == (2 * sizeof(int_pair
)), "nested");
52 static_assert(sizeof(p
) == (2 * sizeof(int_pair_pair
)), "nested again");
54 VERIFY( (void*)&p
== (void*)&p
.first
);
55 VERIFY( (void*)&p
== (void*)&p
.first
.first
);
56 VERIFY( (void*)&p
== (void*)&p
.first
.first
.first
);