1// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> 2 3// Copyright (C) 2001, 2002, 2003, 2004 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// 27.8.1.4 Overridden virtual functions 22 23#include <fstream> 24#include <locale> 25#include <testsuite_hooks.h> 26 27const char name_07[] = "filebuf_virtuals-7.txt"; // empty file, need to create 28 29class errorcvt : public std::codecvt<char, char, mbstate_t> 30{ 31protected: 32 std::codecvt_base::result 33 do_out(mbstate_t&, const char* from, const char*, 34 const char*& from_next, char* to, char*, 35 char*& to_next) const 36 { 37 from_next = from; 38 to_next = to; 39 return std::codecvt<char, char, mbstate_t>::error; 40 } 41 42 virtual bool do_always_noconv() const throw() 43 { 44 return false; 45 } 46}; 47 48// libstdc++/9182 49// basic_filebuf<>::sync and overflow do not write out any characters 50// if codecvt<>::out returns error 51void test14() 52{ 53 using namespace std; 54 bool test __attribute__((unused)) = true; 55 56 locale loc = locale::classic(); 57 loc = locale(loc, new errorcvt); 58 59 filebuf fbuf1; 60 fbuf1.pubimbue(loc); 61 fbuf1.pubsetbuf(0, 0); 62 fbuf1.open(name_07, ios_base::out | ios_base::trunc); 63 64 try 65 { 66 fbuf1.sputn("onne", 4); 67 fbuf1.close(); 68 VERIFY( false ); 69 } 70 catch (std::exception&) 71 { 72 } 73} 74 75int main() 76{ 77 test14(); 78 return 0; 79} 80