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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/char/12232.cc
8492d00e2d12922f8e8550230a0dbc94f429eb9f
1 // Copyright (C) 2003-2020 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 // 27.8.1.4 Overridden virtual functions
21 #include <testsuite_hooks.h>
23 const char name
[] = "tmp_12232";
31 fbout
.open(name
, ios_base::out
);
32 fbout
.sputn("abc", 3);
34 streampos p1
= fbout
.pubseekoff(0, ios_base::cur
, ios_base::in
);
35 VERIFY( p1
!= streampos(-1) );
38 streampos p2
= fbout
.pubseekpos(p1
, ios_base::openmode());
39 VERIFY( p2
!= streampos(-1) );
42 streampos p3
= fbout
.pubseekoff(0, ios_base::beg
, ios_base::ate
);
43 VERIFY( p3
!= streampos(-1) );
44 fbout
.sputn("012", 3);
49 fbin
.open(name
, ios_base::in
);
51 streampos p4
= fbin
.pubseekoff(0, ios_base::beg
, ios_base::ate
);
52 VERIFY( p4
!= streampos(-1) );
53 VERIFY( fbin
.sgetc() == '0' );
55 streampos p5
= fbin
.pubseekoff(-1, ios_base::end
, ios_base::out
);
56 VERIFY( p5
!= streampos(-1) );
57 VERIFY( fbin
.sbumpc() == '4' );
59 streampos p6
= fbin
.pubseekpos(p4
, ios_base::binary
);
60 VERIFY( p6
!= streampos(-1) );
61 VERIFY( fbin
.sbumpc() == '0' );