1// 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com> 2 3// Copyright (C) 2000, 2002, 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 26// Required instantiation, degenerate conversion. 27// codecvt<char, char, mbstate_t> 28void test01() 29{ 30 using namespace std; 31 typedef codecvt_base::result result; 32 typedef codecvt<char, char, mbstate_t> c_codecvt; 33 34 bool test __attribute__((unused)) = true; 35 const char* c_lit = "black pearl jasmine tea"; 36 const char* from_next; 37 int size = 25; 38 char* c_arr = new char[size]; 39 char* c_ref = new char[size]; 40 char* to_next; 41 42 locale loc = locale::classic(); 43 c_codecvt::state_type state; 44 const c_codecvt* cvt = &use_facet<c_codecvt>(loc); 45 46 // According to the resolution of DR19 (see also libstd++/9168), in 47 // case of degenerate conversion ('noconv'), "there are no changes to 48 // the values in [to, to_limit)." 49 memset(c_ref, 'X', size); 50 51 // in 52 memset(c_arr, 'X', size); 53 result r1 = cvt->in(state, c_lit, c_lit + size, from_next, 54 c_arr, c_arr + size, to_next); 55 VERIFY( r1 == codecvt_base::noconv ); 56 VERIFY( !memcmp(c_arr, c_ref, size) ); 57 VERIFY( from_next == c_lit ); 58 VERIFY( to_next == c_arr ); 59 60 // out 61 memset(c_arr, 'X', size); 62 result r2 = cvt->out(state, c_lit, c_lit + size, from_next, 63 c_arr, c_arr + size, to_next); 64 VERIFY( r2 == codecvt_base::noconv ); 65 VERIFY( !memcmp(c_arr, c_ref, size) ); 66 VERIFY( from_next == c_lit ); 67 VERIFY( to_next == c_arr ); 68 69 // unshift 70 strcpy(c_arr, c_lit); 71 result r3 = cvt->unshift(state, c_arr, c_arr + size, to_next); 72 VERIFY( r3 == codecvt_base::noconv ); 73 VERIFY( !strcmp(c_arr, c_lit) ); 74 VERIFY( to_next == c_arr ); 75 76 delete [] c_arr; 77 delete [] c_ref; 78} 79 80int main () 81{ 82 test01(); 83 return 0; 84} 85