]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/21_strings/char_traits/requirements/char/99181.cc
1 // { dg-do run { target c++17 } }
3 // Copyright (C) 2021-2022 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 <testsuite_hooks.h>
25 const char *a
= "\x7f";
26 const char *b
= "\x80";
27 int c
= std::char_traits
<char>::compare(a
, b
, 2);
28 constexpr int d
= std::char_traits
<char>::compare("\x7f", "\x80", 2);
30 VERIFY( c
&& (c
< 0) == (static_cast<unsigned char>(a
[0])
31 < static_cast<unsigned char>(b
[0])) );
32 VERIFY( d
&& (c
< 0) == (d
< 0) );