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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/experimental/string_view/inserters/char/2.cc
1 // Copyright (C) 2013-2016 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/>.
20 // NB: This file is predicated on sstreams, ostreams
21 // working, not to mention other major details like char_traits, and
22 // all of the string_view class.
24 // { dg-do run { target c++14 } }
25 // { dg-require-fileio "" }
27 #include <experimental/string_view>
31 #include <testsuite_hooks.h>
33 // testing basic_filebuf::xsputn via stress testing with large string_views
34 // based on a bug report libstdc++ 9
37 test05(std::size_t size
)
39 bool test
[[gnu::unused
]] = true;
41 const char filename
[] = "inserters_extractors-2.txt";
42 const char fillc
= 'f';
43 std::ofstream
ofs(filename
);
44 std::string
str(size
, fillc
);
45 std::experimental::string_view strv
{str
};
48 VERIFY( str
.size() == size
);
52 ofs
<< str
<< std::endl
;
56 ofs
<< str
<< std::endl
;
60 VERIFY( str
.size() == size
);
65 // sanity check on the written file
66 std::ifstream
ifs(filename
);
67 std::size_t count
= 0;
69 while (count
<= (2 * size
) + 4)
72 if (ifs
.good() && c
== fillc
)
81 VERIFY( count
== 2 * size
);