40 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(const Allocator& a)17// : basic_stringbuf(ios_base::in | ios_base::out, a) {}18 19#include <sstream>20#include <cassert>21 22#include "test_allocator.h"23#include "test_macros.h"24 25template <class CharT>26static void test() {27 const test_allocator<CharT> a(1);28 const std::basic_stringbuf<CharT, std::char_traits<CharT>, test_allocator<CharT>> buf(a);29 assert(buf.get_allocator() == a);30 assert(buf.view().empty());31}32 33int main(int, char**) {34 test<char>();35#ifndef TEST_HAS_NO_WIDE_CHARACTERS36 test<wchar_t>();37#endif38 return 0;39}40