1// 2003-02-06 Petur Runolfsson <peturr02@ru.is> 2 3// Copyright (C) 2003 Free Software Foundation 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// 22.2.1.5 - Template class codecvt [lib.locale.codecvt] 22 23#include <locale> 24#include <testsuite_hooks.h> 25 26bool length_called = false; 27 28class length_codecvt : public std::codecvt<char, char, std::mbstate_t> 29{ 30 typedef std::codecvt<char, char, std::mbstate_t> c_codecvt; 31 32public: 33 // DR75: type of first argument of do_length is state_type& 34 virtual int do_length(state_type& state, const extern_type* from, 35 const extern_type* end, std::size_t max) const 36 { 37 length_called = true; 38 return c_codecvt::do_length(state, from, end, max); 39 } 40}; 41 42// Required instantiation, degenerate conversion. 43// codecvt<char, char, mbstate_t> 44// 45// libstdc++/9224 46void test02() 47{ 48 using namespace std; 49 typedef codecvt_base::result result; 50 typedef codecvt<char, char, mbstate_t> c_codecvt; 51 52 bool test __attribute__((unused)) = true; 53 const char* c_lit = "black pearl jasmine tea"; 54 int size = 25; 55 56 locale loc (locale::classic(), new length_codecvt); 57 c_codecvt::state_type state; 58 const c_codecvt* cvt = &use_facet<c_codecvt>(loc); 59 60 length_called = false; 61 cvt->length(state, c_lit, c_lit + size, 5); 62 VERIFY( length_called ); 63} 64 65int main () 66{ 67 test02(); 68 return 0; 69} 70