// 2003-09-22 Petur Runolfsson // Copyright (C) 2003, 2009 Free Software Foundation // // 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 // . // 27.6.2.5.3 basic_ostream manipulator inserters // // _GLIBCXX_RESOLVE_LIB_DEFECTS // DR 60. What is a formatted input function? // Inserters for manipulators do not behave as formatted output functions. #include #include #include #include std::ostream& func1(std::ostream&) { throw std::runtime_error(""); } std::ios& func2(std::ios&) { throw std::runtime_error(""); } std::ios_base& func3(std::ios_base&) { throw std::runtime_error(""); } template void test(T& (*f)(T&)) { bool test __attribute__((unused)) = true; __gnu_test::sync_streambuf buf; std::ostream os(&buf); __gnu_test::sync_streambuf buf_tie; std::ostream os_tie(&buf_tie); // No sentry should be constructed so os.tie()->flush() should not be // called. os.tie(&os_tie); try { os << f; // Exceptions thrown by f should not be caught VERIFY( false ); } catch (std::runtime_error&) { } // Exceptions thrown by f should not cause badbit to be set VERIFY( os.good() ); VERIFY( !buf_tie.sync_called() ); // The manipulator should be called even if !os.good(). os.setstate(std::ios_base::eofbit); try { os << f; // Exceptions thrown by f should not be caught VERIFY( false ); } catch (std::runtime_error&) { } // Exceptions thrown by f should not cause badbit to be set VERIFY( os.rdstate() == std::ios_base::eofbit ); VERIFY( !buf_tie.sync_called() ); } void test05() { test(&func1); test(&func2); test(&func3); } int main() { test05(); return 0; }