48 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_istringstream15 16// template <class SAlloc>17// basic_istringstream(const basic_string<char_type, traits_type, SAlloc>& s, const Allocator& a)18// : basic_istringstream(s, ios_base::in, a) {}19 20#include <sstream>21#include <cassert>22 23#include "make_string.h"24#include "test_allocator.h"25#include "test_macros.h"26#include "operator_hijacker.h"27 28#define STR(S) MAKE_STRING(CharT, S)29#define SV(S) MAKE_STRING_VIEW(CharT, S)30 31template <class CharT, class Allocator>32static void test(const Allocator& a) {33 const std::basic_string<CharT> s(STR("testing"));34 const std::basic_istringstream<CharT, std::char_traits<CharT>, Allocator> ss(s, a);35 assert(ss.rdbuf()->get_allocator() == a);36 assert(ss.view() == SV("testing"));37}38 39int main(int, char**) {40 test<char>(test_allocator<char>(2));41 test<char>(operator_hijacker_allocator<char>());42#ifndef TEST_HAS_NO_WIDE_CHARACTERS43 test<wchar_t>(test_allocator<wchar_t>(2));44 test<wchar_t>(operator_hijacker_allocator<wchar_t>());45#endif46 return 0;47}48