1// Copyright (C) 2005, 2009 Free Software Foundation, Inc. 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 3, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING3. If not see 16// <http://www.gnu.org/licenses/>. 17 18// 27.6.2.6 Unformatted output functions 19// 20// _GLIBCXX_RESOLVE_LIB_DEFECTS 21// DR 60. What is a formatted input function? 22// basic_ostream::put(char_type) is an unformatted output function. 23// DR 63. Exception-handling policy for unformatted output. 24// Unformatted output functions should catch exceptions thrown 25// from streambuf members. 26 27#include <ostream> 28#include <streambuf> 29#include <testsuite_hooks.h> 30 31class Buf : public std::wstreambuf 32{ 33protected: 34 virtual int_type 35 overflow(int_type = traits_type::eof()) 36 { throw 0; } 37}; 38 39void test01() 40{ 41 bool test __attribute__((unused)) = true; 42 43 Buf buf; 44 std::wostream os(&buf); 45 46 VERIFY( os.good() ); 47 48 os.put(L'a'); 49 50 VERIFY( os.rdstate() == std::ios_base::badbit ); 51 52 os.clear(); 53 os.exceptions(std::ios_base::badbit); 54 55 try 56 { 57 os.put(L'b'); 58 VERIFY( false ); 59 } 60 catch (int) 61 { 62 VERIFY( os.rdstate() == std::ios_base::badbit ); 63 } 64} 65 66int main() 67{ 68 test01(); 69 return 0; 70} 71