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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/23_containers/forward_list/operations/90105.cc
1 // Copyright (C) 2019-2021 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 run { target c++11 } }
20 #include <forward_list>
21 #include <testsuite_hooks.h>
23 // PR libstdc++/90105 - std::forward_list::sort() is not "stable"
31 bool operator<(const X
& l
, const X
& r
)
32 { return l
.key
< r
.key
; }
34 bool operator==(const X
& l
, const X
& r
)
35 { return l
.key
== r
.key
&& l
.val
== r
.val
; }
40 std::forward_list
<X
> l
{ {1, 1}, {2, 2}, {1, 3}, {0, 4}, {2, 5}, {0, 6} };
42 std::forward_list
<X
> exp
{ {0, 4}, {0, 6}, {1, 1}, {1, 3}, {2, 2}, {2, 5} };
49 std::forward_list
<X
> l
{ {1, 1}, {1, 2}, {1, 3}, {1, 4}, {1, 5}, {1, 6} };
50 const std::forward_list
<X
> exp
= l
;