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 // <sstream>
10 
11 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
12 // class basic_stringstream
13 
14 // basic_stringstream& operator=(basic_stringstream&& rhs);
15 
16 #include <sstream>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
main(int,char **)21 int main(int, char**)
22 {
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 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
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 #endif
55 
56   return 0;
57 }
58