1// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> 2 3// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 4// Free Software Foundation, Inc. 5// 6// This file is part of the GNU ISO C++ Library. This library is free 7// software; you can redistribute it and/or modify it under the 8// terms of the GNU General Public License as published by the 9// Free Software Foundation; either version 3, or (at your option) 10// any later version. 11 12// This library is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16 17// You should have received a copy of the GNU General Public License along 18// with this library; see the file COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21// 27.8.1.4 Overridden virtual functions 22 23// { dg-require-fileio "" } 24 25#include <fstream> 26#include <cstring> 27#include <testsuite_hooks.h> 28 29void test03() 30{ 31 using namespace std; 32 33 bool test __attribute__((unused)) = true; 34 char buf[512]; 35 const char* strlit = "how to tell a story and other essays: mark twain"; 36 const size_t strlitsize = std::strlen(strlit); 37 filebuf fbuf01; 38 // NB: +2 otherwise sputn is optimized to a direct write, 39 // bypassing the buffer. 40 fbuf01.pubsetbuf(buf, strlitsize + 2); 41 fbuf01.open("tmp_setbuf3", ios_base::out); 42 43 fbuf01.sputn(strlit, strlitsize); 44 VERIFY( std::strncmp(strlit, buf, strlitsize) == 0 ); 45} 46 47int main() 48{ 49 test03(); 50 return 0; 51} 52