1// 2004-08-12 Paolo Carlini <pcarlini@suse.de> 2 3// Copyright (C) 2004, 2009 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// 27.7.1.3 Overridden virtual functions 21 22#include <sstream> 23#include <testsuite_hooks.h> 24 25// libstdc++/16956 26void test01() 27{ 28 bool test __attribute__((unused)) = true; 29 using namespace std; 30 31 typedef wstringbuf::int_type int_type; 32 typedef wstringbuf::traits_type traits_type; 33 typedef wstringbuf::pos_type pos_type; 34 typedef wstringbuf::off_type off_type; 35 36 wstringbuf strb_01(L"lara's place", ios_base::in); 37 pos_type pt_1 = strb_01.pubseekoff(5, ios_base::cur, ios_base::in); 38 int_type c1 = strb_01.sgetc(); 39 VERIFY( c1 != traits_type::eof() ); 40 pos_type pt_2 = strb_01.pubseekoff(2, ios_base::cur, ios_base::in); 41 pos_type pt_3 = strb_01.pubseekpos(pt_1, ios_base::in); 42 int_type c2 = strb_01.sbumpc(); 43 VERIFY( off_type(pt_3) == off_type(pt_2) - 2 ); 44 VERIFY( c2 == c1 ); 45 46 wstringbuf strb_02(L"-", ios_base::out); 47 pos_type pt_4 = strb_02.pubseekoff(0, ios_base::cur, ios_base::out); 48 strb_02.sputn(L"red", 3); 49 pos_type pt_5 = strb_02.pubseekoff(-3, ios_base::cur, ios_base::out); 50 strb_02.pubseekpos(pt_5, ios_base::out); 51 VERIFY( off_type(pt_5) == off_type(pt_4) ); 52 strb_02.sputn(L"blu", 3); 53 VERIFY( strb_02.str() == L"blu" ); 54} 55 56int main() 57{ 58 test01(); 59 return 0; 60} 61