1// Copyright (C) 2004, 2009 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 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// 27.6.1.3 unformatted input functions 19 20#include <istream> 21#include <sstream> 22#include <testsuite_hooks.h> 23 24// libstdc++/70220 25void 26test10() 27{ 28 using namespace std; 29 bool test __attribute__((unused)) = true; 30 typedef wstring string_type; 31 typedef wstringbuf stringbuf_type; 32 typedef wistream istream_type; 33 34 streamsize n; 35 string_type input(L"abcdefg\n"); 36 stringbuf_type sbuf(input); 37 istream_type istr(&sbuf); 38 39 istr.ignore(0); 40 if (istr.gcount() != 0) 41 test = false; 42 VERIFY( test ); 43 44 istr.ignore(0, L'b'); 45 if (istr.gcount() != 0) 46 test = false; 47 VERIFY( test ); 48 49 istr.ignore(); // Advance to next position. 50 istr.ignore(0, L'b'); 51 if ((n=istr.gcount()) != 0) 52 test = false; 53 VERIFY( test ); 54 55 if (istr.peek() != L'b') 56 test = false; 57 VERIFY( test ); 58} 59 60int 61main() 62{ 63 test10(); 64 return 0; 65} 66