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