53 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// UNSUPPORTED: no-localization11// UNSUPPORTED: libcpp-has-no-experimental-syncstream12 13// <syncstream>14 15// template <class charT, class traits, class Allocator>16// class basic_syncbuf;17 18// bool emit();19 20#include <syncstream>21#include <cassert>22 23#include "../helpers.h"24#include "test_macros.h"25 26template <class CharT>27void test() {28 // We do this because we want to be able to use CharT29 CharT arr[3] = {'a', 'b', 'c'};30 CharT* ptr = arr;31 32 test_buf<CharT> base;33 const std::allocator<CharT> alloc;34 test_syncbuf<CharT> buff(&base, alloc);35 36 buff._setp(ptr, ptr + 3);37 assert(base._pptr() == nullptr);38 buff.emit();39 CharT* pptr = base._pptr();40 while (pptr) {41 assert(*pptr++ == *ptr++);42 }43}44 45int main(int, char**) {46 test<char>();47#ifndef TEST_HAS_NO_WIDE_CHARACTERS48 test<wchar_t>();49#endif50 51 return 0;52}53