1// 2004-10-06 Paolo Carlini <pcarlini@suse.de> 2 3// Copyright (C) 2004-2015 Free Software Foundation, Inc. 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 3, 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 COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// 27.8.1.4 Overridden virtual functions 21 22#include <sstream> 23#include <cstring> 24#include <testsuite_hooks.h> 25 26void test01() 27{ 28 using namespace std; 29 bool test __attribute__((unused)) = true; 30 31 const unsigned max_size = 1 << 18; 32 33 char ref[max_size]; 34 memset(ref, '\0', max_size); 35 36 char src[max_size * 2]; 37 memset(src, '\1', max_size * 2); 38 39 for (unsigned i = 128; i <= max_size; i *= 2) 40 { 41 char* dest = new char[i * 2]; 42 memset(dest, '\0', i * 2); 43 44 stringbuf sbuf; 45 sbuf.pubsetbuf(dest, i); 46 47 sbuf.sputn(src, i * 2); 48 VERIFY( !memcmp(dest + i, ref, i) ); 49 50 delete[] dest; 51 } 52} 53 54int main() 55{ 56 test01(); 57 return 0; 58} 59