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_stringbuf
15
16// template <class SAlloc>
17// void str(const basic_string<charT, traits, SAlloc>& s);
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 {
32 const test_allocator<CharT> a(6);
33 const std::basic_string<CharT, std::char_traits<CharT>, test_allocator<CharT>> s(STR("testing"), a);
34 std::basic_stringbuf<CharT> buf;
35 buf.str(s);
36 assert(buf.view() == SV("testing"));
37 }
38}
39
40int main(int, char**) {
41 test<char>();
42#ifndef TEST_HAS_NO_WIDE_CHARACTERS
43 test<wchar_t>();
44#endif
45 return 0;
46}
47

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