1// 2003-09-22 Petur Runolfsson <peturr02@ru.is> 2 3// Copyright (C) 2003, 2005, 2009 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 3, 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 COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// 27.6.2.6 Unformatted output functions 21// 22// _GLIBCXX_RESOLVE_LIB_DEFECTS 23// DR 60. What is a formatted input function? 24// basic_ostream::flush() does not behave as an unformatted output function. 25 26#include <ostream> 27#include <testsuite_hooks.h> 28#include <testsuite_io.h> 29 30void test02() 31{ 32 bool test __attribute__((unused)) = true; 33 34 __gnu_test::sync_streambuf buf; 35 std::ostream os(&buf); 36 37 __gnu_test::sync_streambuf buf_tie; 38 std::ostream os_tie(&buf_tie); 39 40 // No sentry should be constructed so os.tie()->flush() should not be 41 // called. 42 os.tie(&os_tie); 43 44 os.flush(); 45 46 VERIFY( os.good() ); 47 VERIFY( buf.sync_called() ); 48 VERIFY( !buf_tie.sync_called() ); 49 50 // os.rdbuf()->pubsync() should be called even if !os.good(). 51 os.setstate(std::ios_base::eofbit); 52 53 os.flush(); 54 55 VERIFY( os.rdstate() == std::ios_base::eofbit ); 56 VERIFY( buf.sync_called() ); 57 VERIFY( !buf_tie.sync_called() ); 58} 59 60int main() 61{ 62 test02(); 63 return 0; 64} 65 66