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
21int 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

source code of libcxx/test/std/input.output/string.streams/stringstream/stringstream.assign/move.pass.cpp