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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/21_strings/basic_string/capacity/char/18654.cc
1 // 2004-11-29 Paolo Carlini <pcarlini@suse.de>
3 // Copyright (C) 2004-2019 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/>.
20 // 21.3.3 string capacity
22 // { dg-options "-DMAX_SIZE=16" { target simulator } }
29 #include <testsuite_hooks.h>
36 typedef string::size_type size_type
;
38 #if _GLIBCXX_USE_CXX11_ABI
39 // Can't shrink below small string size.
40 const size_type minsize
= string().capacity() + 1;
42 // Exact shrink-to-size and shrink-to-fit
43 const size_type minsize
= 2 << 0;
45 const size_type maxsize
= 2 << MAX_SIZE
;
46 for (size_type i
= minsize
; i
<= maxsize
; i
*= 2)
52 VERIFY( str
.capacity() == 2 * i
);
55 VERIFY( str
.capacity() == i
);