1 // Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING. If not, write to the Free
16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19 // 27.8.1.3 filebuf member functions
20 // @require@ %-*.tst %-*.txt
21 // @diff@ %-*.tst %-*.txt
23 // various tests for filebuf::open() and filebuf::close() including
24 // the non-portable functionality in the libstdc++-v3 IO library
26 // { dg-require-fileio "" }
29 #include <testsuite_hooks.h>
31 const char name_01[] = "filebuf_members-1.tst";
32 const char name_02[] = "filebuf_members-1.txt";
34 // Test member functions.
37 bool test __attribute__((unused)) = true;
38 const char* name_03 = "filebuf_members-3"; // empty file, need to create
40 std::filebuf fb_01; // in
41 std::filebuf fb_02; // out
42 std::filebuf fb_03; // in | out
45 VERIFY( !fb_01.is_open() );
46 VERIFY( !fb_02.is_open() );
47 VERIFY( !fb_03.is_open() );
49 // filebuf_type* open(const char* __s, ios_base::openmode __mode)
50 fb_01.open(name_01, std::ios_base::in | std::ios_base::ate);
51 VERIFY( fb_01.is_open() );
53 // Try to open two different files without closing the first:
54 // Should keep the old file attached, and disregard attempt to overthrow.
55 fb_02.open(name_02, std::ios_base::in | std::ios_base::out
56 | std::ios_base::trunc);
57 VERIFY( fb_02.is_open() );
59 fb_03.open(name_03, std::ios_base::out | std::ios_base::trunc);
60 VERIFY( fb_03.is_open() );
62 // filebuf_type* close()
66 VERIFY( !fb_01.is_open() );
70 VERIFY( !fb_02.is_open() );
74 VERIFY( !fb_03.is_open() );
78 VERIFY( !fb_03.is_open() );