1 // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
3 // Copyright (C) 2001, 2002, 2003, 2009 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 // 27.8.1.4 Overridden virtual functions
22 // { dg-require-fileio "" }
25 #include <testsuite_hooks.h>
26 #include <testsuite_io.h>
28 // @require@ %-*.tst %-*.txt
29 // @diff@ %-*.tst %*.txt
31 const char name_01[] = "sgetc.txt"; // file with data in it
32 const char name_03[] = "tmp_sbumpc_2io.tst"; // empty file, need to create
37 using namespace __gnu_test;
38 typedef filebuf::int_type int_type;
39 typedef filebuf::traits_type traits_type;
41 bool test __attribute__((unused)) = true;
44 // if read_cur not avail returns uflow(), else return *read_cur & increment
48 constraint_filebuf fb_03;
49 fb_03.pubsetbuf(0, 0);
50 fb_03.open(name_03, ios_base::out | ios_base::in | ios_base::trunc);
51 VERIFY( fb_03.unbuffered() );
52 int_type c5 = fb_03.sbumpc();
53 VERIFY( c5 == traits_type::eof() );
54 VERIFY( fb_03.unbuffered() );
59 constraint_filebuf fb_01;
60 fb_01.pubsetbuf(0, 0);
61 fb_01.open(name_01, ios_base::in | ios_base::out);
62 VERIFY( fb_01.unbuffered() );
64 int_type c1 = fb_01.sbumpc();
66 int_type c3 = fb_01.sbumpc();
70 int_type c2 = fb_01.sbumpc();
84 VERIFY( fb_01.unbuffered() );