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 25void 26test01() 27{ 28 bool test __attribute__((unused)) = true; 29 const std::wstring str_01; 30 const std::wstring str_02(L"soul eyes: john coltrane quartet"); 31 std::wstring strtmp; 32 33 std::wstringbuf isbuf_03(str_02, std::ios_base::in); 34 std::wstringbuf isbuf_04(str_02, std::ios_base::in); 35 std::wstringbuf isbuf_05(str_02, std::ios_base::in); 36 37 std::wistream is_00(&isbuf_05); 38 std::wistream is_03(&isbuf_03); 39 std::wistream is_04(&isbuf_04); 40 std::ios_base::iostate state1, state2; 41 42 // istream& putback(char_type c) 43 is_04.ignore(30); 44 is_04.clear(); 45 state1 = is_04.rdstate(); 46 is_04.putback(L't'); 47 VERIFY( is_04.gcount() == 0 ); // DR 60 48 state2 = is_04.rdstate(); 49 VERIFY( state1 == state2 ); 50 VERIFY( is_04.peek() == L't' ); 51 52 // istream& unget() 53 is_04.clear(); 54 state1 = is_04.rdstate(); 55 is_04.unget(); 56 VERIFY( is_04.gcount() == 0 ); // DR 60 57 state2 = is_04.rdstate(); 58 VERIFY( state1 == state2 ); 59 VERIFY( is_04.peek() == L'r' ); 60 61 // int sync() 62 is_00.ignore(10); 63 int count1 = is_00.gcount(); 64 is_00.sync(); 65 int count2 = is_00.gcount(); 66 VERIFY (count1 == count2 ); // DR 60 67} 68 69int 70main() 71{ 72 test01(); 73 return 0; 74} 75