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_istringstream
15
16// explicit basic_istringstream(basic_string<char_type, traits_type, allocator_type>&& s, ios_base::openmode which = 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
27template <class CharT>
28static void test() {
29 {
30 std::basic_string<CharT> s(STR("testing"));
31 const std::basic_istringstream<CharT> ss(std::move(s));
32 assert(ss.str() == STR("testing"));
33 }
34 {
35 std::basic_string<CharT, std::char_traits<CharT>, operator_hijacker_allocator<CharT>> s(STR("testing"));
36 const std::basic_istringstream<CharT, std::char_traits<CharT>, operator_hijacker_allocator<CharT>> ss(std::move(s));
37 assert((ss.str() ==
38 std::basic_string<CharT, std::char_traits<CharT>, operator_hijacker_allocator<CharT>>(STR("testing"))));
39 }
40 {
41 std::basic_string<CharT> s(STR("testing"));
42 const std::basic_istringstream<CharT> ss(std::move(s), std::ios_base::binary);
43 assert(ss.str() == STR("testing"));
44 }
45 {
46 std::basic_string<CharT, std::char_traits<CharT>, operator_hijacker_allocator<CharT>> s(STR("testing"));
47 const std::basic_istringstream<CharT, std::char_traits<CharT>, operator_hijacker_allocator<CharT>> ss(
48 std::move(s), std::ios_base::binary);
49 assert((ss.str() ==
50 std::basic_string<CharT, std::char_traits<CharT>, operator_hijacker_allocator<CharT>>(STR("testing"))));
51 }
52}
53
54int main(int, char**) {
55 test<char>();
56#ifndef TEST_HAS_NO_WIDE_CHARACTERS
57 test<wchar_t>();
58#endif
59 return 0;
60}
61

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