1// { dg-require-namedlocale "" } 2 3// 2003-02-06 Petur Runolfsson <peturr02@ru.is> 4 5// Copyright (C) 2003, 2005 Free Software Foundation 6// 7// This file is part of the GNU ISO C++ Library. This library is free 8// software; you can redistribute it and/or modify it under the 9// terms of the GNU General Public License as published by the 10// Free Software Foundation; either version 2, or (at your option) 11// any later version. 12 13// This library is distributed in the hope that it will be useful, 14// but WITHOUT ANY WARRANTY; without even the implied warranty of 15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16// GNU General Public License for more details. 17 18// You should have received a copy of the GNU General Public License along 19// with this library; see the file COPYING. If not, write to the Free 20// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 21// USA. 22 23// 22.2.1.5 - Template class codecvt [lib.locale.codecvt] 24 25#include <locale> 26#include <testsuite_hooks.h> 27 28// Need to explicitly set the state(mbstate_t) to zero. 29// How to do this is not specified by the ISO C99 standard, so we 30// might need to add some operators to make the intuiative case 31// work: 32// w_codecvt::state_type state00; 33// state00 = 0; 34// or, can use this explicit "C" initialization: 35// w_codecvt::state_type state01 = {0, 0}; 36// .. except Ulrich says: Use memset. Always use memset. Feel the force... 37void 38zero_state(std::mbstate_t& state) 39{ std::memset(&state, 0, sizeof(std::mbstate_t)); } 40 41// Required instantiation 42// codecvt<wchar_t, char, mbstate_t> 43void test03() 44{ 45 using namespace std; 46 typedef codecvt<wchar_t, char, mbstate_t> w_codecvt; 47 typedef codecvt_base::result result; 48 typedef wchar_t int_type; 49 typedef char ext_type; 50 typedef char_traits<char> ext_traits; 51 52 bool test __attribute__((unused)) = true; 53 const ext_type* e_lit = "a"; 54 const int_type i_lit[] = { L'a', 0x20ac, 0x0 }; 55 const int_type* ifrom_next; 56 int size = wcslen(i_lit); 57 ext_type* e_arr = new ext_type[size + 1]; 58 ext_type* e_ref = new ext_type[size + 1]; 59 memset(e_arr, 0xf0, size + 1); 60 memset(e_ref, 0xf0, size + 1); 61 ext_type* eto_next; 62 63 locale loc = locale("en_US.ISO-8859-1"); 64 locale::global(loc); 65 const w_codecvt* cvt = &use_facet<w_codecvt>(loc); 66 67 // out 68 w_codecvt::state_type state02; 69 zero_state(state02); 70 result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, 71 e_arr, e_arr + size, eto_next); 72 VERIFY( r2 == codecvt_base::error ); 73 VERIFY( ifrom_next == i_lit + 1 ); 74 VERIFY( eto_next == e_arr + 1 ); 75 VERIFY( !ext_traits::compare(e_arr, e_lit, 1) ); 76 VERIFY( !ext_traits::compare(eto_next, e_ref, size) ); 77 78 delete [] e_arr; 79 delete [] e_ref; 80} 81 82int main () 83{ 84 test03(); 85 return 0; 86} 87