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99dee823 | 1 | // Copyright (C) 2001-2021 Free Software Foundation, Inc. |
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2 | // |
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 | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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7 | // any later version. |
8 | ||
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. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
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17 | |
18 | // 27.8.1.3 filebuf member functions | |
19 | // @require@ %-*.tst %-*.txt | |
20 | // @diff@ %-*.tst %-*.txt | |
21 | ||
22 | // various tests for filebuf::open() and filebuf::close() including | |
23 | // the non-portable functionality in the libstdc++-v3 IO library | |
24 | ||
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25 | // { dg-require-fileio "" } |
26 | ||
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27 | #include <fstream> |
28 | #include <testsuite_hooks.h> | |
29 | ||
30 | const char name_01[] = "filebuf_members-1.tst"; | |
31 | const char name_02[] = "filebuf_members-1.txt"; | |
32 | ||
33 | // Test member functions. | |
34 | void test_01() | |
35 | { | |
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36 | const char* name_03 = "filebuf_members-3"; // empty file, need to create |
37 | ||
38 | std::filebuf fb_01; // in | |
39 | std::filebuf fb_02; // out | |
40 | std::filebuf fb_03; // in | out | |
41 | ||
42 | // bool is_open() | |
43 | VERIFY( !fb_01.is_open() ); | |
44 | VERIFY( !fb_02.is_open() ); | |
45 | VERIFY( !fb_03.is_open() ); | |
46 | ||
47 | // filebuf_type* open(const char* __s, ios_base::openmode __mode) | |
48 | fb_01.open(name_01, std::ios_base::in | std::ios_base::ate); | |
49 | fb_02.open(name_02, std::ios_base::in | std::ios_base::out | |
50 | | std::ios_base::trunc); | |
51 | fb_03.open(name_03, std::ios_base::out | std::ios_base::trunc); | |
52 | VERIFY( fb_01.is_open() ); | |
53 | VERIFY( fb_02.is_open() ); | |
54 | VERIFY( fb_03.is_open() ); | |
55 | ||
56 | // filebuf_type* close() | |
57 | fb_01.close(); | |
58 | fb_02.close(); | |
59 | fb_03.close(); | |
60 | VERIFY( !fb_01.is_open() ); | |
61 | VERIFY( !fb_02.is_open() ); | |
62 | VERIFY( !fb_03.is_open() ); | |
63 | } | |
64 | ||
65 | int | |
66 | main() | |
67 | { | |
68 | test_01(); | |
69 | return 0; | |
70 | } | |
71 | ||
72 |