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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, 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() );