1// Copyright (C) 2004 Free Software Foundation 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 2, 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 COPYING. If not, write to the Free 16// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 17// USA. 18 19// 27.6.1.3 unformatted input functions 20 21#include <istream> 22#include <sstream> 23#include <testsuite_hooks.h> 24 25// libstdc++/70220 26void 27test10() 28{ 29 using namespace std; 30 bool test __attribute__((unused)) = true; 31 typedef wstring string_type; 32 typedef wstringbuf stringbuf_type; 33 typedef wistream istream_type; 34 35 streamsize n; 36 string_type input(L"abcdefg\n"); 37 stringbuf_type sbuf(input); 38 istream_type istr(&sbuf); 39 40 istr.ignore(0); 41 if (istr.gcount() != 0) 42 test = false; 43 VERIFY( test ); 44 45 istr.ignore(0, L'b'); 46 if (istr.gcount() != 0) 47 test = false; 48 VERIFY( test ); 49 50 istr.ignore(); // Advance to next position. 51 istr.ignore(0, L'b'); 52 if ((n=istr.gcount()) != 0) 53 test = false; 54 VERIFY( test ); 55 56 if (istr.peek() != L'b') 57 test = false; 58 VERIFY( test ); 59} 60 61int 62main() 63{ 64 test10(); 65 return 0; 66} 67