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 // <sstream>
11 
12 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
13 // class basic_stringstream
14 
15 // basic_stringstream& operator=(basic_stringstream&& rhs);
16 
17 #include <sstream>
18 #include <cassert>
19 
main()20 int main()
21 {
22 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
23     {
24         std::stringstream ss0(" 123 456 ");
25         std::stringstream ss;
26         ss = std::move(ss0);
27         assert(ss.rdbuf() != 0);
28         assert(ss.good());
29         assert(ss.str() == " 123 456 ");
30         int i = 0;
31         ss >> i;
32         assert(i == 123);
33         ss >> i;
34         assert(i == 456);
35         ss << i << ' ' << 123;
36         assert(ss.str() == "456 1236 ");
37     }
38     {
39         std::wstringstream ss0(L" 123 456 ");
40         std::wstringstream ss;
41         ss = std::move(ss0);
42         assert(ss.rdbuf() != 0);
43         assert(ss.good());
44         assert(ss.str() == L" 123 456 ");
45         int i = 0;
46         ss >> i;
47         assert(i == 123);
48         ss >> i;
49         assert(i == 456);
50         ss << i << ' ' << 123;
51         assert(ss.str() == L"456 1236 ");
52     }
53 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
54 }
55