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1 | // 1999-07-01 bkoz |
2 | ||
3 | // Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. | |
4 | // | |
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 2, or (at your option) | |
9 | // any later version. | |
10 | ||
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. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | // 21.3.7.9 inserters and extractors | |
22 | ||
23 | // NB: This file is predicated on sstreams, istreams, and ostreams | |
24 | // working, not to mention other major details like char_traits, and | |
25 | // all of the string class. | |
26 | ||
27 | #include <string> | |
28 | #include <sstream> | |
29 | #include <testsuite_hooks.h> | |
30 | ||
31 | // istringstream/stringbuf extractor properly size buffer based on | |
32 | // actual, not allocated contents (string.size() vs. string.capacity()). | |
33 | // http://gcc.gnu.org/ml/libstdc++/1999-q4/msg00049.html | |
34 | void test06(void) | |
35 | { | |
11f10e6b | 36 | bool test __attribute__((unused)) = true; |
61f1ed59 PC |
37 | |
38 | typedef std::string::size_type size_type; | |
39 | std::string str01("@silent"); | |
40 | size_type i01 = str01.size(); | |
41 | size_type i02 = str01.capacity(); | |
42 | str01.erase(0, 1); | |
43 | size_type i03 = str01.size(); | |
44 | size_type i04 = str01.capacity(); | |
45 | VERIFY( i01 - 1 == i03 ); | |
46 | VERIFY( i02 >= i04 ); | |
47 | ||
48 | std::istringstream is(str01); | |
49 | std::string str02; | |
50 | is >> str02 >> std::ws; | |
51 | size_type i05 = str02.size(); | |
52 | size_type i06 = str02.capacity(); | |
53 | VERIFY( i05 == i03 ); | |
54 | VERIFY( i06 <= i04 ); | |
61f1ed59 PC |
55 | } |
56 | ||
57 | int main() | |
58 | { | |
59 | test06(); | |
60 | return 0; | |
61 | } |