1// 2003-09-22 Petur Runolfsson <peturr02@ru.is> 2 3// Copyright (C) 2003, 2005 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 2, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// 27.6.2.6 Unformatted output functions 22// 23// _GLIBCXX_RESOLVE_LIB_DEFECTS 24// DR 60. What is a formatted input function? 25// basic_ostream::flush() does not behave as an unformatted output function. 26 27#include <ostream> 28#include <testsuite_hooks.h> 29#include <testsuite_io.h> 30 31void test02() 32{ 33 bool test __attribute__((unused)) = true; 34 35 __gnu_test::sync_streambuf buf; 36 std::ostream os(&buf); 37 38 __gnu_test::sync_streambuf buf_tie; 39 std::ostream os_tie(&buf_tie); 40 41 // No sentry should be constructed so os.tie()->flush() should not be 42 // called. 43 os.tie(&os_tie); 44 45 os.flush(); 46 47 VERIFY( os.good() ); 48 VERIFY( buf.sync_called() ); 49 VERIFY( !buf_tie.sync_called() ); 50 51 // os.rdbuf()->pubsync() should be called even if !os.good(). 52 os.setstate(std::ios_base::eofbit); 53 54 os.flush(); 55 56 VERIFY( os.rdstate() == std::ios_base::eofbit ); 57 VERIFY( buf.sync_called() ); 58 VERIFY( !buf_tie.sync_called() ); 59} 60 61int main() 62{ 63 test02(); 64 return 0; 65} 66 67