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// template <class SAlloc>
17// basic_string<charT, traits, SAlloc> str(const SAlloc& sa) const;
18
19#include <sstream>
20#include <cassert>
21
22#include "make_string.h"
23#include "test_allocator.h"
24#include "test_macros.h"
25
26#define STR(S) MAKE_STRING(CharT, S)
27#define SV(S) MAKE_STRING_VIEW(CharT, S)
28
29template <class CharT>
30static void test() {
31 const std::basic_stringstream<CharT> ss(STR("testing"));
32 const test_allocator<CharT> a(1);
33 const std::basic_string<CharT, std::char_traits<CharT>, test_allocator<CharT>> s = ss.str(a);
34 assert(s == SV("testing"));
35 assert(s.get_allocator() == a);
36}
37
38int main(int, char**) {
39 test<char>();
40#ifndef TEST_HAS_NO_WIDE_CHARACTERS
41 test<wchar_t>();
42#endif
43 return 0;
44}
45

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