1// Copyright (C) 2004-2015 Free Software Foundation, Inc. 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 24void 25test01() 26{ 27 bool test __attribute__((unused)) = true; 28 const std::wstring str_01; 29 const std::wstring str_02(L"soul eyes: john coltrane quartet"); 30 std::wstring strtmp; 31 32 std::wstringbuf isbuf_03(str_02, std::ios_base::in); 33 std::wstringbuf isbuf_04(str_02, std::ios_base::in); 34 std::wstringbuf isbuf_05(str_02, std::ios_base::in); 35 36 std::wistream is_00(&isbuf_05); 37 std::wistream is_03(&isbuf_03); 38 std::wistream is_04(&isbuf_04); 39 std::ios_base::iostate state1, state2; 40 41 // istream& putback(char_type c) 42 is_04.ignore(30); 43 is_04.clear(); 44 state1 = is_04.rdstate(); 45 is_04.putback(L't'); 46 VERIFY( is_04.gcount() == 0 ); // DR 60 47 state2 = is_04.rdstate(); 48 VERIFY( state1 == state2 ); 49 VERIFY( is_04.peek() == L't' ); 50 51 // istream& unget() 52 is_04.clear(); 53 state1 = is_04.rdstate(); 54 is_04.unget(); 55 VERIFY( is_04.gcount() == 0 ); // DR 60 56 state2 = is_04.rdstate(); 57 VERIFY( state1 == state2 ); 58 VERIFY( is_04.peek() == L'r' ); 59 60 // int sync() 61 is_00.ignore(10); 62 int count1 = is_00.gcount(); 63 is_00.sync(); 64 int count2 = is_00.gcount(); 65 VERIFY (count1 == count2 ); // DR 60 66} 67 68int 69main() 70{ 71 test01(); 72 return 0; 73} 74