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3 // Copyright (C) 1999-2019 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 // 21.3.7.9 inserters and extractors
22 // NB: This file is predicated on sstreams, istreams, and ostreams
23 // working, not to mention other major details like char_traits, and
24 // all of the string class.
26 // { dg-require-fileio "" }
31 #include <testsuite_hooks.h>
33 // testing basic_filebuf::xsputn via stress testing with large strings
34 // based on a bug report libstdc++ 9
36 void test05(std::size_t size
)
39 const char filename
[] = "inserters_extractors-1.txt";
40 const char fillc
= 'f';
41 std::ofstream
ofs(filename
);
42 std::string
str(size
, fillc
);
45 VERIFY( str
.size() == size
);
49 ofs
<< str
<< std::endl
;
53 ofs
<< str
<< std::endl
;
57 VERIFY( str
.size() == size
);
62 // sanity check on the written file
63 std::ifstream
ifs(filename
);
64 std::size_t count
= 0;
66 while (count
<= (2 * size
) + 4)
69 if (ifs
.good() && c
== fillc
)
78 VERIFY( count
== 2 * size
);