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_stringstream
15
16// explicit basic_stringstream(basic_string<char_type, traits_type, allocator_type>&& s, ios_base::openmode which = ios_base::out | ios_base::in);
17
18#include <sstream>
19#include <cassert>
20
21#include "make_string.h"
22#include "test_macros.h"
23#include "operator_hijacker.h"
24
25#define STR(S) MAKE_STRING(CharT, S)
26#define SV(S) MAKE_STRING_VIEW(CharT, S)
27
28template <class CharT>
29static void test() {
30 {
31 std::basic_string<CharT> s(STR("testing"));
32 const std::basic_stringstream<CharT> ss(std::move(s));
33 assert(ss.str() == SV("testing"));
34 }
35 {
36 std::basic_string<CharT, std::char_traits<CharT>, operator_hijacker_allocator<CharT>> s(STR("testing"));
37 const std::basic_stringstream<CharT, std::char_traits<CharT>, operator_hijacker_allocator<CharT>> ss(std::move(s));
38 assert(ss.str() == SV("testing"));
39 }
40 {
41 std::basic_string<CharT> s(STR("testing"));
42 const std::basic_stringstream<CharT> ss(std::move(s), std::ios_base::out);
43 assert(ss.str() == SV("testing"));
44 }
45 {
46 std::basic_string<CharT, std::char_traits<CharT>, operator_hijacker_allocator<CharT>> s(STR("testing"));
47 const std::basic_stringstream<CharT, std::char_traits<CharT>, operator_hijacker_allocator<CharT>> ss(
48 std::move(s), std::ios_base::out);
49 assert(ss.str() == SV("testing"));
50 }
51}
52
53int main(int, char**) {
54 test<char>();
55#ifndef TEST_HAS_NO_WIDE_CHARACTERS
56 test<wchar_t>();
57#endif
58 return 0;
59}
60

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