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42134429 | 1 | // 2003-05-01 Petur Runolfsson <peturr02@ru.is> |
dfc7d899 | 2 | |
42134429 | 3 | // Copyright (C) 2003 Free Software Foundation |
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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 | |
8 | // Free Software Foundation; either version 2, or (at your option) | |
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 | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
83f51799 | 18 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
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19 | // USA. |
20 | ||
0c20e4ec NS |
21 | // { dg-require-fileio "" } |
22 | ||
42134429 | 23 | #include <ext/stdio_sync_filebuf.h> |
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24 | #include <testsuite_hooks.h> |
25 | ||
42134429 BK |
26 | // libstdc++/12048 |
27 | void test02() | |
28 | { | |
29 | bool test __attribute__((unused)) = true; | |
30 | const char* name = "cin_unget-1.txt"; | |
31 | ||
32 | std::FILE* file = std::fopen(name, "r"); | |
33 | __gnu_cxx::stdio_sync_filebuf<char> sbuf(file); | |
34 | int c1 = sbuf.sbumpc(); | |
35 | VERIFY( c1 != EOF ); | |
36 | int c2 = sbuf.sungetc(); | |
37 | VERIFY( c2 != EOF ); | |
38 | int c3 = sbuf.sbumpc(); | |
39 | VERIFY( c3 == c1 ); | |
40 | ||
41 | std::fclose(file); | |
42 | } | |
dfc7d899 | 43 | |
42134429 | 44 | int main () |
dfc7d899 | 45 | { |
42134429 BK |
46 | test02(); |
47 | return 0; | |
48 | } |