102 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// REQUIRES: locale.en_US.UTF-810 11// <streambuf>12 13// template <class charT, class traits = char_traits<charT> >14// class basic_streambuf;15 16// basic_streambuf& operator=(const basic_streambuf& rhs);17 18#include <streambuf>19#include <cassert>20 21#include "test_macros.h"22#include "platform_support.h" // locale name macros23 24template <class CharT>25struct test26 : public std::basic_streambuf<CharT>27{28 typedef std::basic_streambuf<CharT> base;29 test() {}30 31 test& operator=(const test& t)32 {33 base::operator=(t);34 assert(this->eback() == t.eback());35 assert(this->gptr() == t.gptr());36 assert(this->egptr() == t.egptr());37 assert(this->pbase() == t.pbase());38 assert(this->pptr() == t.pptr());39 assert(this->epptr() == t.epptr());40 assert(this->getloc() == t.getloc());41 return *this;42 }43 44 void setg(CharT* gbeg, CharT* gnext, CharT* gend)45 {46 base::setg(gbeg, gnext, gend);47 }48 void setp(CharT* pbeg, CharT* pend)49 {50 base::setp(pbeg, pend);51 }52};53 54int main(int, char**)55{56 {57 test<char> t;58 test<char> t2;59 t2 = t;60 }61 {62 char g[3];63 char p[3];64 test<char> t;65 t.setg(&g[0], &g[1], &g[2]);66 t.setp(&p[0], &p[2]);67 test<char> t2;68 t2 = t;69 }70#ifndef TEST_HAS_NO_WIDE_CHARACTERS71 {72 test<wchar_t> t;73 test<wchar_t> t2;74 t2 = t;75 }76 {77 wchar_t g[3];78 wchar_t p[3];79 test<wchar_t> t;80 t.setg(&g[0], &g[1], &g[2]);81 t.setp(&p[0], &p[2]);82 test<wchar_t> t2;83 t2 = t;84 }85#endif86 std::locale::global(std::locale(LOCALE_en_US_UTF_8));87 {88 test<char> t;89 test<char> t2;90 t2 = t;91 }92#ifndef TEST_HAS_NO_WIDE_CHARACTERS93 {94 test<wchar_t> t;95 test<wchar_t> t2;96 t2 = t;97 }98#endif99 100 return 0;101}102