1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // UNSUPPORTED: c++03
10 
11 // <sstream>
12 
13 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
14 // class basic_stringstream
15 
16 // basic_stringstream& operator=(basic_stringstream&& rhs);
17 
18 #include <sstream>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 
main(int,char **)23 int main(int, char**)
24 {
25     {
26         std::stringstream ss0(" 123 456 ");
27         std::stringstream ss;
28         ss = std::move(ss0);
29         assert(ss.rdbuf() != 0);
30         assert(ss.good());
31         assert(ss.str() == " 123 456 ");
32         int i = 0;
33         ss >> i;
34         assert(i == 123);
35         ss >> i;
36         assert(i == 456);
37         ss << i << ' ' << 123;
38         assert(ss.str() == "456 1236 ");
39     }
40     {
41         std::wstringstream ss0(L" 123 456 ");
42         std::wstringstream ss;
43         ss = std::move(ss0);
44         assert(ss.rdbuf() != 0);
45         assert(ss.good());
46         assert(ss.str() == L" 123 456 ");
47         int i = 0;
48         ss >> i;
49         assert(i == 123);
50         ss >> i;
51         assert(i == 456);
52         ss << i << ' ' << 123;
53         assert(ss.str() == L"456 1236 ");
54     }
55 
56   return 0;
57 }
58