1 // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
3 // Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING. If not, write to the Free
18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
21 // 27.8.1.4 Overridden virtual functions
24 #include <testsuite_hooks.h>
25 #include <testsuite_io.h>
27 // @require@ %-*.tst %-*.txt
28 // @diff@ %-*.tst %*.txt
30 const char name_01
[] = "sgetc.txt"; // file with data in it
31 const char name_03
[] = "tmp_sgetc_1io.tst"; // empty file, need to create
33 // Test overloaded virtual functions.
37 using namespace __gnu_test
;
38 typedef std::filebuf::int_type int_type
;
39 typedef filebuf::traits_type traits_type
;
45 // if read_cur not avail, return uflow(), else return *read_cur
49 constraint_filebuf fb_03
; // in | out
50 fb_03
.open(name_03
, ios::out
| ios::in
| ios::trunc
);
51 VERIFY( !fb_03
.write_position() );
52 VERIFY( !fb_03
.read_position() );
55 VERIFY( c1
== traits_type::eof() );
57 VERIFY( !fb_03
.write_position() );
58 VERIFY( !fb_03
.read_position() );
63 constraint_filebuf fb_01
; // in
64 fb_01
.open(name_01
, ios::in
| ios::out
);
65 VERIFY( !fb_01
.write_position() );
77 VERIFY( !fb_01
.write_position() );
78 VERIFY( fb_01
.read_position() );