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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/21_strings/basic_string/cons/char/self_move.cc
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1 // Copyright (C) 2020-2024 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/>.
18 // { dg-do run { target c++11 } }
21 #include <debug/string>
22 #include <testsuite_hooks.h>
24 template<typename String
>
29 std::string s2
__attribute__((unused
)) = s1
.c_str();
32 String s3
__attribute__((unused
)) = s1
;
35 (void) s1
.begin(); // causes COW string to "leak"
38 String s4
__attribute__((unused
)) = s1
;
41 s1
.reserve(2 * s1
.capacity()); // causes SSO string to be on the heap
48 test
<std::string
>("short");
49 test
<std::string
>("very, very, very, VERY long");
50 test
<__gnu_debug::string
>("short");
51 test
<__gnu_debug::string
>("very, very, very, VERY long");