| // Copyright (C) 2003, 2009 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/>. |
| |
| // 27.5.2.2.3 Get area |
| |
| // { dg-require-fileio "" } |
| |
| #include <fstream> |
| #include <testsuite_hooks.h> |
| |
| class Derived_fbuf : public std::filebuf |
| { |
| public: |
| const char_type* pub_egptr() const |
| { return egptr(); } |
| |
| const char_type* pub_gptr() const |
| { return gptr(); } |
| }; |
| |
| // libstdc++/9701 (in_avail) |
| void test01() |
| { |
| using namespace std; |
| bool test __attribute__((unused)) = true; |
| const char* name = "tmp_file1"; |
| |
| Derived_fbuf df2; |
| df2.open(name, ios_base::in | ios_base::out | ios_base::trunc); |
| |
| df2.sputn("Comomoc", 7); |
| |
| df2.pubseekoff(0, ios_base::beg); |
| df2.sbumpc(); |
| df2.sputbackc('t'); |
| |
| VERIFY( df2.pub_gptr() < df2.pub_egptr() ); |
| VERIFY( df2.in_avail() == df2.pub_egptr() - df2.pub_gptr() ); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| return 0; |
| } |