| // 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com> |
| |
| // Copyright (C) 2000, 2002, 2003 Free Software Foundation |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 2, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING. If not, write to the Free |
| // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| // USA. |
| |
| // 22.2.1.5 - Template class codecvt [lib.locale.codecvt] |
| |
| #include <locale> |
| #include <testsuite_hooks.h> |
| |
| // Required instantiation, degenerate conversion. |
| // codecvt<char, char, mbstate_t> |
| void test01() |
| { |
| using namespace std; |
| typedef codecvt_base::result result; |
| typedef codecvt<char, char, mbstate_t> c_codecvt; |
| |
| bool test __attribute__((unused)) = true; |
| const char* c_lit = "black pearl jasmine tea"; |
| const char* from_next; |
| int size = 25; |
| char* c_arr = new char[size]; |
| char* c_ref = new char[size]; |
| char* to_next; |
| |
| locale loc = locale::classic(); |
| c_codecvt::state_type state; |
| const c_codecvt* cvt = &use_facet<c_codecvt>(loc); |
| |
| // According to the resolution of DR19 (see also libstd++/9168), in |
| // case of degenerate conversion ('noconv'), "there are no changes to |
| // the values in [to, to_limit)." |
| memset(c_ref, 'X', size); |
| |
| // in |
| memset(c_arr, 'X', size); |
| result r1 = cvt->in(state, c_lit, c_lit + size, from_next, |
| c_arr, c_arr + size, to_next); |
| VERIFY( r1 == codecvt_base::noconv ); |
| VERIFY( !memcmp(c_arr, c_ref, size) ); |
| VERIFY( from_next == c_lit ); |
| VERIFY( to_next == c_arr ); |
| |
| // out |
| memset(c_arr, 'X', size); |
| result r2 = cvt->out(state, c_lit, c_lit + size, from_next, |
| c_arr, c_arr + size, to_next); |
| VERIFY( r2 == codecvt_base::noconv ); |
| VERIFY( !memcmp(c_arr, c_ref, size) ); |
| VERIFY( from_next == c_lit ); |
| VERIFY( to_next == c_arr ); |
| |
| // unshift |
| strcpy(c_arr, c_lit); |
| result r3 = cvt->unshift(state, c_arr, c_arr + size, to_next); |
| VERIFY( r3 == codecvt_base::noconv ); |
| VERIFY( !strcmp(c_arr, c_lit) ); |
| VERIFY( to_next == c_arr ); |
| |
| delete [] c_arr; |
| delete [] c_ref; |
| } |
| |
| int main () |
| { |
| test01(); |
| return 0; |
| } |