1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
// Copyright (C) 2001, 2002, 2003, 2009, 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-require-fileio "" }
// 27.8.1.3 filebuf member functions
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %-*.txt
// various tests for filebuf::open() and filebuf::close() including
// the non-portable functionality in the libstdc++-v3 IO library
#include <fstream>
#include <ext/stdio_filebuf.h>
#include <testsuite_hooks.h>
// Verify that std::filebuf doesn't close files that it didn't open
// when using the following std::filebuf ctor:
//
// std::filebuf(__c_file_type* __f,
// ios_base::openmode __mode,
// int_type __s);
//
// Thanks to "George T. Talbot" <george@moberg.com> for uncovering
// this bug/situation.
const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create
void test_02()
{
bool test __attribute__((unused)) = true;
int close_num = 0;
// read (ext)
FILE* f2 = fopen(name_01, "r");
VERIFY( f2 );
if (f2)
{
__gnu_cxx::stdio_filebuf<char> fb(f2, std::ios_base::in, 512);
close_num = fclose(f2);
}
VERIFY( close_num == 0 );
// read (standard)
FILE* f = fopen(name_01, "r");
VERIFY( f );
if (f)
{
std::ifstream ifstream1(name_01);
VERIFY( ifstream1.is_open() );
std::ios_base::iostate st01 = ifstream1.rdstate();
VERIFY( st01 == std::ios_base::goodbit );
close_num = fclose(f);
}
VERIFY( close_num == 0 );
}
int
main()
{
test_02();
return 0;
}
|
