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// <sstream>
10
11// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
12// class basic_stringbuf
13
14// explicit basic_stringbuf(const basic_string<charT,traits,Allocator>& s,
15// ios_base::openmode which = ios_base::in | ios_base::out);
16
17#include <sstream>
18#include <cassert>
19
20#include "test_macros.h"
21
22int main(int, char**)
23{
24 {
25 std::stringbuf buf("testing");
26 assert(buf.str() == "testing");
27 }
28 {
29 std::stringbuf buf("testing", std::ios_base::in);
30 assert(buf.str() == "testing");
31 }
32 {
33 std::stringbuf buf("testing", std::ios_base::out);
34 assert(buf.str() == "testing");
35 }
36#ifndef TEST_HAS_NO_WIDE_CHARACTERS
37 {
38 std::wstringbuf buf(L"testing");
39 assert(buf.str() == L"testing");
40 }
41 {
42 std::wstringbuf buf(L"testing", std::ios_base::in);
43 assert(buf.str() == L"testing");
44 }
45 {
46 std::wstringbuf buf(L"testing", std::ios_base::out);
47 assert(buf.str() == L"testing");
48 }
49#endif
50
51 return 0;
52}
53

source code of libcxx/test/std/input.output/string.streams/stringbuf/stringbuf.cons/string.pass.cpp