| // 1999-10-11 bkoz |
| |
| // Copyright (C) 1999, 2000, 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. |
| |
| // 27.5.2 template class basic_streambuf |
| |
| #include <streambuf> |
| #include <ostream> |
| #include <string> |
| #include <testsuite_hooks.h> |
| |
| // test03 |
| // http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00151.html |
| template<typename charT, typename traits = std::char_traits<charT> > |
| class basic_nullbuf : public std::basic_streambuf<charT, traits> |
| { |
| protected: |
| typedef typename |
| std::basic_streambuf<charT, traits>::int_type int_type; |
| virtual int_type |
| overflow(int_type c) |
| { return traits::not_eof(c); } |
| }; |
| |
| typedef basic_nullbuf<wchar_t> nullbuf; |
| |
| template<typename T> |
| wchar_t |
| print(const T& x) |
| { |
| nullbuf ob; |
| std::wostream out(&ob); |
| out << x << std::endl; |
| return (!out ? L'0' : L'1'); |
| } |
| |
| void test03() |
| { |
| bool test __attribute__((unused)) = true; |
| const std::wstring control01(L"11111"); |
| std::wstring test01; |
| |
| test01 += print(true); |
| test01 += print(3.14159); |
| test01 += print(10); |
| test01 += print(L'x'); |
| test01 += print(L"pipo"); |
| |
| VERIFY( test01 == control01 ); |
| } |
| |
| int main() |
| { |
| test03(); |
| return 0; |
| } |