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1 // 2004-07-07 Paolo Carlini <pcarlini@suse.de>
2
3 // Copyright (C) 2004-2013 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 3, 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 COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
19
20 // 27.7.1.3 basic_stringbuf overridden virtual functions.
21
22 #include <sstream>
23 #include <cstdlib>
24 #include <testsuite_hooks.h>
25
26 using namespace std;
27
28 string
29 data(unsigned len)
30 {
31 string ret;
32 for (unsigned i = 0; i < len; ++i)
33 ret.push_back('a' + rand() % 26);
34 return ret;
35 }
36
37 void
38 test01(unsigned iter)
39 {
40 bool test __attribute__((unused)) = true;
41
42 for (unsigned n = 1; n <= iter; n *= 10)
43 {
44 const string str = data(n);
45 stringbuf sstr;
46 for (unsigned i = 0; i < n; ++i)
47 sstr.sputc(str[i]);
48 VERIFY( str == sstr.str() );
49 }
50 }
51
52 // This can take long on simulators, timing out the test.
53 // { dg-options "-DITERATIONS=10000" { target simulator } }
54 #ifndef ITERATIONS
55 #define ITERATIONS 10000000
56 #endif
57
58 int main()
59 {
60 test01(ITERATIONS);
61 return 0;
62 }