60 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710 11// <sstream>12 13// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT>>14// class basic_stringbuf15 16// explicit basic_stringbuf(basic_string<charT, traits, Allocator>&& s, ios_base::openmode which = ios_base::in | ios_base::out);17 18#include <sstream>19#include <cassert>20 21#include "make_string.h"22#include "test_allocator.h"23#include "test_macros.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_stringbuf<CharT> buf(std::move(s));33 assert(buf.view() == SV("testing"));34 }35 {36 std::basic_string<CharT> s(STR("testing"));37 const std::basic_stringbuf<CharT> buf(std::move(s), std::ios_base::out);38 assert(buf.view() == SV("testing"));39 }40 {41 std::basic_string<CharT, std::char_traits<CharT>, test_allocator<CharT>> s(STR("testing"));42 const std::basic_stringbuf<CharT, std::char_traits<CharT>, test_allocator<CharT>> buf(std::move(s));43 assert(buf.view() == SV("testing"));44 }45 {46 std::basic_string<CharT, std::char_traits<CharT>, test_allocator<CharT>> s(STR("testing"));47 const std::basic_stringbuf<CharT, std::char_traits<CharT>, test_allocator<CharT>> buf(48 std::move(s), std::ios_base::in);49 assert(buf.view() == SV("testing"));50 }51}52 53int main(int, char**) {54 test<char>();55#ifndef TEST_HAS_NO_WIDE_CHARACTERS56 test<wchar_t>();57#endif58 return 0;59}60