| // 2003-05-01 Petur Runolfsson <peturr02@ru.is> |
| |
| // Copyright (C) 2001, 2002, 2003 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. |
| |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| |
| #include <fstream> |
| #include <iostream> |
| #include <testsuite_hooks.h> |
| |
| class gnu_filebuf: public std::wfilebuf |
| { |
| int i; |
| public: |
| gnu_filebuf(int j = 1): i(j) { } |
| ~gnu_filebuf() { --i; } |
| int get_i() { return i;} |
| }; |
| |
| const int initial = 4; |
| gnu_filebuf buf(initial); |
| |
| // libstdc++/3045, in a vague way. |
| void test01() |
| { |
| bool test __attribute__((unused)) = true; |
| int k1; |
| |
| // 1 normal |
| k1 = buf.get_i(); |
| VERIFY( k1 == initial ); |
| { |
| std::wcout.rdbuf(&buf); |
| } |
| k1 = buf.get_i(); |
| VERIFY( k1 == initial ); |
| |
| // 2 syncd off |
| k1 = buf.get_i(); |
| VERIFY( k1 == initial ); |
| { |
| std::wcout.rdbuf(&buf); |
| std::ios_base::sync_with_stdio(false); // make sure doesn't clobber buf |
| } |
| k1 = buf.get_i(); |
| VERIFY( k1 == initial ); |
| |
| // 3 callling init |
| k1 = buf.get_i(); |
| VERIFY( k1 == initial ); |
| { |
| std::wcout.rdbuf(&buf); |
| std::ios_base::Init make_sure_initialized; |
| } |
| k1 = buf.get_i(); |
| VERIFY( k1 == initial ); |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |