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57c7298c | 1 | // 2003-05-19 Paolo Carlini <pcarlini@unitus.it> |
2 | ||
fbd26352 | 3 | // Copyright (C) 2003-2019 Free Software Foundation, Inc. |
57c7298c | 4 | // |
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 | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
57c7298c | 9 | // any later version. |
10 | ||
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. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
6bc9506f | 17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
57c7298c | 19 | |
b14642ed | 20 | // { dg-require-fileio "" } |
21 | ||
57c7298c | 22 | // 27.8.1.3 filebuf member functions |
23 | // @require@ %-*.tst %-*.txt | |
24 | // @diff@ %-*.tst %-*.txt | |
25 | ||
26 | // Test that upon filebuf::close() 27.8.1.1,3 is enforced. | |
27 | ||
28 | #include <fstream> | |
29 | #include <testsuite_hooks.h> | |
30 | ||
31 | const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it | |
32 | const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create | |
33 | ||
34 | void test_04() | |
35 | { | |
36 | typedef std::filebuf::traits_type traits_type; | |
37 | ||
57c7298c | 38 | std::filebuf fb_01, fb_02; |
39 | char buffer[] = "xxxxxxxxxx"; | |
40 | ||
41 | // 'in' | |
42 | fb_01.open(name_01, std::ios_base::in); | |
43 | VERIFY( fb_01.sgetc() != traits_type::eof() ); | |
44 | VERIFY( fb_01.sbumpc() != traits_type::eof() ); | |
45 | VERIFY( fb_01.snextc() != traits_type::eof() ); | |
46 | VERIFY( fb_01.sgetn(buffer, sizeof(buffer)) == sizeof(buffer) ); | |
47 | ||
48 | fb_01.close(); | |
49 | ||
50 | VERIFY( fb_01.sgetc() == traits_type::eof() ); | |
51 | VERIFY( fb_01.sbumpc() == traits_type::eof() ); | |
52 | VERIFY( fb_01.snextc() == traits_type::eof() ); | |
53 | VERIFY( fb_01.sgetn(buffer, sizeof(buffer)) == 0 ); | |
54 | ||
55 | // 'out' | |
56 | fb_02.open(name_02, std::ios_base::out); | |
57 | VERIFY( fb_02.sputc('T') != traits_type::eof() ); | |
58 | VERIFY( fb_02.sputn(buffer, sizeof(buffer)) == sizeof(buffer) ); | |
59 | ||
60 | fb_02.close(); | |
61 | ||
62 | VERIFY( fb_02.sputc('T') == traits_type::eof() ); | |
051d91df | 63 | VERIFY( fb_02.sputn(buffer, sizeof(buffer)) == 0 ); |
57c7298c | 64 | } |
65 | ||
66 | int | |
67 | main() | |
68 | { | |
69 | test_04(); | |
70 | return 0; | |
71 | } |