1// Copyright (C) 2003, 2009 Free Software Foundation, Inc. 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// 27.8.1.4 Overridden virtual functions 19 20#include <fstream> 21#include <testsuite_hooks.h> 22 23// libstdc++/9533 24void test_02() 25{ 26 using namespace std; 27 bool test __attribute__((unused)) = true; 28 const char* name = "tmp_file1"; 29 const char* strlit = "0123456789"; 30 31 filebuf fb; 32 33 int written = 0; 34 fb.open(name, ios_base::out | ios_base::trunc); 35 for (int i = 0; i < BUFSIZ; ++i) 36 written += fb.sputn(strlit, 10); 37 fb.close(); 38 39 int read = 0; 40 int n = 0; 41 char buf[10]; 42 fb.open(name, ios_base::in); 43 do 44 { 45 n = fb.sgetn(buf, sizeof(buf)); 46 read += n; 47 } 48 while (n); 49 50 VERIFY( read == written ); 51} 52 53int 54main() 55{ 56 test_02(); 57 return 0; 58} 59