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_ostringstream
15 
16 // basic_ostringstream& operator=(basic_ostringstream&& 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::ostringstream ss0(" 123 456");
27         std::ostringstream ss;
28         ss = std::move(ss0);
29         assert(ss.rdbuf() != 0);
30         assert(ss.good());
31         assert(ss.str() == " 123 456");
32         int i = 234;
33         ss << i << ' ' << 567;
34         assert(ss.str() == "234 5676");
35     }
36     {
37         std::wostringstream ss0(L" 123 456");
38         std::wostringstream ss;
39         ss = std::move(ss0);
40         assert(ss.rdbuf() != 0);
41         assert(ss.good());
42         assert(ss.str() == L" 123 456");
43         int i = 234;
44         ss << i << ' ' << 567;
45         assert(ss.str() == L"234 5676");
46     }
47 
48   return 0;
49 }
50