| // 1999-10-11 bkoz |
| |
| // Copyright (C) 1999-2013 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 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<char> nullbuf; |
| |
| template<typename T> |
| char |
| print(const T& x) |
| { |
| nullbuf ob; |
| std::ostream out(&ob); |
| out << x << std::endl; |
| return (!out ? '0' : '1'); |
| } |
| |
| void test03() |
| { |
| bool test __attribute__((unused)) = true; |
| const std::string control01("11111"); |
| std::string test01; |
| |
| test01 += print(true); |
| test01 += print(3.14159); |
| test01 += print(10); |
| test01 += print('x'); |
| test01 += print("pipo"); |
| |
| VERIFY( test01 == control01 ); |
| } |
| |
| int main() |
| { |
| test03(); |
| return 0; |
| } |