| // 2003-04-12 Paolo Carlini <pcarlini at unitus dot it> |
| |
| // Copyright (C) 2003 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 2, 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 COPYING. If not, write to the Free |
| // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| // stdio_filebuf.h |
| |
| #include <ext/stdio_filebuf.h> |
| #include <cstdio> |
| #include <fstream> |
| #include <testsuite_hooks.h> |
| |
| // Small stack-based buffers (i.e., using _M_unbuf) were not flushed |
| // out by _M_really_overflow upon overflow. |
| void test01() |
| { |
| using namespace std; |
| bool test __attribute__((unused)) = true; |
| |
| const char* name = "tmp_file1"; |
| FILE* file = fopen(name, "w"); |
| { |
| using namespace __gnu_cxx; |
| stdio_filebuf<char> sbuf(file, ios_base::out, 2); |
| sbuf.sputc('T'); |
| sbuf.sputc('S'); |
| sbuf.sputc('P'); |
| } |
| fclose(file); |
| |
| filebuf fbuf; |
| fbuf.open(name, ios_base::in); |
| char buf[10]; |
| streamsize n = fbuf.sgetn(buf, sizeof(buf)); |
| fbuf.close(); |
| |
| VERIFY( n == 3 ); |
| VERIFY( !memcmp(buf, "TSP", 3) ); |
| } |
| |
| int main() |
| { |
| test01(); |
| } |