1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // UNSUPPORTED: c++98, c++03
11 
12 // <sstream>
13 
14 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
15 // class basic_stringstream
16 
17 // basic_stringstream& operator=(basic_stringstream&& rhs);
18 
19 #include <sstream>
20 #include <cassert>
21 
main()22 int main()
23 {
24     {
25         std::stringstream ss0(" 123 456 ");
26         std::stringstream ss;
27         ss = std::move(ss0);
28         assert(ss.rdbuf() != 0);
29         assert(ss.good());
30         assert(ss.str() == " 123 456 ");
31         int i = 0;
32         ss >> i;
33         assert(i == 123);
34         ss >> i;
35         assert(i == 456);
36         ss << i << ' ' << 123;
37         assert(ss.str() == "456 1236 ");
38     }
39     {
40         std::wstringstream ss0(L" 123 456 ");
41         std::wstringstream ss;
42         ss = std::move(ss0);
43         assert(ss.rdbuf() != 0);
44         assert(ss.good());
45         assert(ss.str() == L" 123 456 ");
46         int i = 0;
47         ss >> i;
48         assert(i == 123);
49         ss >> i;
50         assert(i == 456);
51         ss << i << ' ' << 123;
52         assert(ss.str() == L"456 1236 ");
53     }
54 }
55