]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/1.cc
1 // Copyright (C) 2001-2016 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 // 27.8.1.3 filebuf member functions
19 // @require@ %-*.tst %-*.txt
20 // @diff@ %-*.tst %-*.txt
22 // various tests for filebuf::open() and filebuf::close() including
23 // the non-portable functionality in the libstdc++-v3 IO library
25 // { dg-require-fileio "" }
28 #include <testsuite_hooks.h>
30 const char name_01
[] = "filebuf_members-1.tst";
31 const char name_02
[] = "filebuf_members-1.txt";
33 // Test member functions.
36 bool test
__attribute__((unused
)) = true;
37 const char* name_03
= "filebuf_members-3"; // empty file, need to create
39 std::filebuf fb_01
; // in
40 std::filebuf fb_02
; // out
41 std::filebuf fb_03
; // in | out
44 VERIFY( !fb_01
.is_open() );
45 VERIFY( !fb_02
.is_open() );
46 VERIFY( !fb_03
.is_open() );
48 // filebuf_type* open(const char* __s, ios_base::openmode __mode)
49 fb_01
.open(name_01
, std::ios_base::in
| std::ios_base::ate
);
50 VERIFY( fb_01
.is_open() );
52 // Try to open two different files without closing the first:
53 // Should keep the old file attached, and disregard attempt to overthrow.
54 fb_02
.open(name_02
, std::ios_base::in
| std::ios_base::out
55 | std::ios_base::trunc
);
56 VERIFY( fb_02
.is_open() );
58 fb_03
.open(name_03
, std::ios_base::out
| std::ios_base::trunc
);
59 VERIFY( fb_03
.is_open() );
61 // filebuf_type* close()
65 VERIFY( !fb_01
.is_open() );
69 VERIFY( !fb_02
.is_open() );
73 VERIFY( !fb_03
.is_open() );
77 VERIFY( !fb_03
.is_open() );