| // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
| |
| // Copyright (C) 2001, 2002, 2003, 2004 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 2, 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 COPYING. If not, write to the Free |
| // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| // 27.8.1.4 Overridden virtual functions |
| |
| #include <streambuf> |
| #include <locale> |
| #include <cwchar> |
| #include <testsuite_hooks.h> |
| |
| class MyTraits : public std::char_traits<wchar_t> |
| { |
| public: |
| static bool eq(wchar_t c1, wchar_t c2) |
| { |
| bool test __attribute__((unused)) = true; |
| VERIFY( c1 != L'X' ); |
| VERIFY( c2 != L'X' ); |
| return std::char_traits<wchar_t>::eq(c1, c2); |
| } |
| }; |
| |
| class MyBuf : public std::basic_streambuf<wchar_t, MyTraits> |
| { |
| wchar_t buffer[8]; |
| |
| public: |
| MyBuf() |
| { |
| std::wmemset(buffer, L'X', sizeof(buffer) / sizeof(buffer[0])); |
| std::wmemset(buffer + 2, L'f', 4); |
| setg(buffer + 2, buffer + 2, buffer + 6); |
| } |
| }; |
| |
| // libstdc++/9538 |
| void test08() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| MyBuf mb; |
| mb.sputbackc(L'a'); |
| } |
| |
| int main() |
| { |
| test08(); |
| return 0; |
| } |