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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_filebuf/sbumpc/char/2-io.cc
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_sbumpc_2io.tst"; // empty file, need to create
36 using namespace __gnu_test
;
37 typedef filebuf::int_type int_type
;
38 typedef filebuf::traits_type traits_type
;
43 // if read_cur not avail returns uflow(), else return *read_cur & increment
47 constraint_filebuf fb_03
;
48 fb_03
.pubsetbuf(0, 0);
49 fb_03
.open(name_03
, ios_base::out
| ios_base::in
| ios_base::trunc
);
50 VERIFY( fb_03
.unbuffered() );
51 int_type c5
= fb_03
.sbumpc();
52 VERIFY( c5
== traits_type::eof() );
53 VERIFY( fb_03
.unbuffered() );
58 constraint_filebuf fb_01
;
59 fb_01
.pubsetbuf(0, 0);
60 fb_01
.open(name_01
, ios_base::in
| ios_base::out
);
61 VERIFY( fb_01
.unbuffered() );
63 int_type c1
= fb_01
.sbumpc();
65 int_type c3
= fb_01
.sbumpc();
69 int_type c2
= fb_01
.sbumpc();
83 VERIFY( fb_01
.unbuffered() );