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7adcbafe | 1 | // Copyright (C) 2017-2022 Free Software Foundation, Inc. |
04d07b61 JW |
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 | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
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 | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-require-fileio "" } | |
19 | ||
20 | #include <ext/stdio_filebuf.h> | |
21 | #include <cstdio> | |
22 | #include <cerrno> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | void | |
26 | test01() | |
27 | { | |
28 | FILE* out = std::fopen("81751.txt", "w"); | |
29 | std::fwrite("Some words.", 1, 10, out); | |
30 | ||
31 | FILE* in1 = std::fopen("81751.txt", "r"); | |
32 | __gnu_cxx::stdio_filebuf<char> buf1(in1, std::ios::in, BUFSIZ); | |
33 | int c = buf1.sgetc(); | |
34 | VERIFY( c == std::char_traits<char>::eof() ); // PR libstdc++/81751 | |
35 | ||
36 | std::fflush(out); | |
37 | FILE* in2 = std::fopen("81751.txt", "r"); | |
38 | __gnu_cxx::stdio_filebuf<char> buf2(in2, std::ios::in, BUFSIZ); | |
39 | c = buf2.sgetc(); | |
40 | VERIFY( c == 'S' ); | |
41 | ||
42 | buf1.close(); | |
43 | buf2.close(); | |
44 | std::fclose(in1); | |
45 | std::fclose(in2); | |
46 | std::fclose(out); | |
47 | } | |
48 | ||
49 | int | |
50 | main() | |
51 | { | |
52 | test01(); | |
53 | } |