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 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// explicit basic_istringstream(const basic_string<char_type, traits_type, SAlloc>& s, ios_base::openmode which = ios_base::in)18 19#include <sstream>20#include <cassert>21 22#include "make_string.h"23#include "test_allocator.h"24#include "test_macros.h"25#include "operator_hijacker.h"26 27#define STR(S) MAKE_STRING(CharT, S)28#define SV(S) MAKE_STRING_VIEW(CharT, S)29 30template <class CharT, class Allocator>31static void test() {32 {33 const std::basic_string<CharT> s(STR("testing"));34 const std::basic_istringstream<CharT, std::char_traits<CharT>, Allocator> ss(s);35 assert(ss.view() == SV("testing"));36 }37 {38 const std::basic_string<CharT> s(STR("testing"));39 const std::basic_istringstream<CharT, std::char_traits<CharT>, Allocator> ss(s, std::ios_base::binary);40 assert(ss.view() == SV("testing"));41 }42}43 44int main(int, char**) {45 test<char, test_allocator<char>>();46 test<char, operator_hijacker_allocator<char>>();47#ifndef TEST_HAS_NO_WIDE_CHARACTERS48 test<wchar_t, test_allocator<wchar_t>>();49 test<wchar_t, operator_hijacker_allocator<wchar_t>>();50#endif51 return 0;52}53