1// 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com> 2 3// Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 4// Free Software Foundation 5// 6// This file is part of the GNU ISO C++ Library. This library is free 7// software; you can redistribute it and/or modify it under the 8// terms of the GNU General Public License as published by the 9// Free Software Foundation; either version 3, or (at your option) 10// any later version. 11 12// This library is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16 17// You should have received a copy of the GNU General Public License along 18// with this library; see the file COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21// 22.2.1.5 - Template class codecvt [lib.locale.codecvt] 22 23#include <locale> 24#include <cstring> 25#include <testsuite_hooks.h> 26 27// Required instantiation, degenerate conversion. 28// codecvt<char, char, mbstate_t> 29void test01() 30{ 31 using namespace std; 32 typedef codecvt_base::result result; 33 typedef codecvt<char, char, mbstate_t> c_codecvt; 34 35 bool test __attribute__((unused)) = true; 36 const char* c_lit = "black pearl jasmine tea"; 37 const char* from_next; 38 int size = 23; 39 char* c_arr = new char[size]; 40 char* c_ref = new char[size]; 41 char* to_next; 42 43 locale loc = locale::classic(); 44 c_codecvt::state_type state; 45 const c_codecvt* cvt = &use_facet<c_codecvt>(loc); 46 47 // According to the resolution of DR19 (see also libstd++/9168), in 48 // case of degenerate conversion ('noconv'), "there are no changes to 49 // the values in [to, to_limit)." 50 memset(c_ref, 'X', size); 51 52 // out 53 memset(c_arr, 'X', size); 54 result r2 = cvt->out(state, c_lit, c_lit + size, from_next, 55 c_arr, c_arr + size, to_next); 56 VERIFY( r2 == codecvt_base::noconv ); 57 VERIFY( !memcmp(c_arr, c_ref, size) ); 58 VERIFY( from_next == c_lit ); 59 VERIFY( to_next == c_arr ); 60 61 delete [] c_arr; 62 delete [] c_ref; 63} 64 65int main () 66{ 67 test01(); 68 return 0; 69} 70