1// { dg-options "-std=gnu++11" } 2 3// Copyright (C) 2014-2015 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// 27.8.5.1 basic_stringstream constructors [stringstream.cons] 21 22#include <sstream> 23#include <string> 24#include <testsuite_hooks.h> 25 26const std::string strings[] = { 27 "one could carry out the description of a machine, ", 28 "no matter how complicated, ", 29 "in characters which would be merely the letters of the alphabet, and so ", 30 "provide the mind with a method of knowing the machine and all its parts" 31}; 32 33void 34append(std::stringstream& ss, std::string& s, const std::string& t) 35{ 36 ss << t; 37 s += t; 38} 39 40void 41test01() 42{ 43 std::string exp; 44 std::stringstream s1; 45 append(s1, exp, strings[0]); 46 47 std::stringstream s2 = std::move(s1); 48 VERIFY( s2.good() ); 49 VERIFY( s2.rdbuf() != nullptr ); 50 VERIFY( s2.str() == exp ); 51 append(s2, exp, strings[1]); 52 VERIFY( s2.str() == exp ); 53 54 std::stringstream s3 = std::move(s2); 55 VERIFY( s3.good() ); 56 VERIFY( s3.rdbuf() != nullptr ); 57 VERIFY( s3.str() == exp ); 58 append(s3, exp, strings[2]); 59 VERIFY( s3.str() == exp ); 60 61 s1.str(""); 62 s1.clear(); 63 exp.clear(); 64 append(s1, exp, strings[3]); 65 VERIFY( s1.str() == exp ); 66} 67 68void 69test02() 70{ 71#ifdef _GLIBCXX_USE_WCHAR_T 72 std::wstringstream s1; 73 std::wstringstream s2 = std::move(s1); 74#endif 75} 76 77int 78main() 79{ 80 test01(); 81 test02(); 82} 83