| // Copyright (C) 2017-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-do run { target c++11 } } |
| |
| #include <streambuf> |
| #include <testsuite_hooks.h> |
| |
| struct streambuf : std::basic_streambuf<char16_t> |
| { |
| basic_streambuf* setbuf(char_type* s, std::streamsize n) override |
| { |
| setp(s, s + n); |
| setg(s, s, s + n); |
| return this; |
| } |
| }; |
| |
| void |
| test01() |
| { |
| using traits = streambuf::traits_type; |
| |
| char16_t buf[2] = { streambuf::char_type(-1), streambuf::char_type(-2) }; |
| streambuf sb; |
| sb.pubsetbuf(buf, 2); |
| |
| streambuf::int_type res; |
| |
| res = sb.sbumpc(); |
| VERIFY( traits::eq_int_type(res, traits::eof()) == false ); |
| res = sb.sbumpc(); |
| VERIFY( traits::eq_int_type(res, traits::eof()) == false ); |
| res = sb.sbumpc(); |
| VERIFY( traits::eq_int_type(res, traits::eof()) == true ); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| } |