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, c++11, c++14, c++17
10
11// <sstream>
12
13// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT>>
14// class basic_ostringstream
15
16// void str(basic_string<charT, traits, Allocator>&& s);
17
18#include <sstream>
19#include <cassert>
20
21#include "make_string.h"
22#include "test_macros.h"
23
24#define STR(S) MAKE_STRING(CharT, S)
25
26template <class CharT>
27static void test() {
28 {
29 std::basic_ostringstream<CharT> ss;
30 std::basic_string<CharT> s(STR("testing"));
31 ss.str(std::move(s));
32 assert(ss.str() == STR("testing"));
33 }
34}
35
36int main(int, char**) {
37 test<char>();
38#ifndef TEST_HAS_NO_WIDE_CHARACTERS
39 test<wchar_t>();
40#endif
41 return 0;
42}
43

source code of libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.members/str.string.move.pass.cpp