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1 // Copyright (C) 2005-2020 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/>.
18 // { dg-require-fileio "" }
20 // 27.6.2.4 basic_ostream seek members [lib.ostream.seeks]
21 // @require@ %-*.tst %-*.txt
22 // @diff@ %-*.tst %-*.txt
28 #include <testsuite_hooks.h>
30 const wchar_t* s
= L
" lootpack, peanut butter wolf, rob swift, madlib, quasimoto";
33 void write_rewind(std::wiostream
& stream
)
35 for (int j
= 0; j
< times
; j
++)
37 std::streampos begin
= stream
.tellp();
39 for (int i
= 0; i
< times
; ++i
)
40 stream
<< j
<< L
'-' << i
<< s
<< L
'\n';
44 VERIFY( stream
.good() );
47 void check_contents(std::wiostream
& stream
)
50 stream
.seekg(0, std::wios::beg
);
52 int loop
= times
* times
+ 2;
55 stream
.ignore(80, L
'\n');
69 ofstrm
.open("wistream_seeks-3.txt", std::wios::out
);
76 ifstrm
.open("wistream_seeks-3.txt", std::wios::in
);
77 check_contents(ifstrm
);