| // 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com> |
| |
| // Copyright (C) 2000-2013 Free Software Foundation, Inc. |
| // |
| // 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 3, 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 COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // 22.2.1.5 - Template class codecvt [lib.locale.codecvt] |
| |
| #include <locale> |
| #include <cstring> |
| #include <testsuite_hooks.h> |
| |
| // Need to explicitly set the state(mbstate_t) to zero. |
| // How to do this is not specified by the ISO C99 standard, so we |
| // might need to add some operators to make the intuiative case |
| // work: |
| // w_codecvt::state_type state00; |
| // state00 = 0; |
| // or, can use this explicit "C" initialization: |
| // w_codecvt::state_type state01 = {0, 0}; |
| // .. except Ulrich says: Use memset. Always use memset. Feel the force... |
| void |
| zero_state(std::mbstate_t& state) |
| { std::memset(&state, 0, sizeof(std::mbstate_t)); } |
| |
| // Required instantiation |
| // codecvt<wchar_t, char, mbstate_t> |
| void test01() |
| { |
| using namespace std; |
| typedef codecvt<wchar_t, char, mbstate_t> w_codecvt; |
| typedef codecvt_base::result result; |
| typedef wchar_t int_type; |
| typedef char ext_type; |
| |
| bool test __attribute__((unused)) = true; |
| const ext_type* e_lit = "black pearl jasmine tea"; |
| int size = strlen(e_lit); |
| ext_type* e_arr = new ext_type[size + 1]; |
| ext_type* eto_next; |
| |
| locale loc; |
| const w_codecvt* cvt = &use_facet<w_codecvt>(loc); |
| |
| // unshift |
| strcpy(e_arr, e_lit); |
| w_codecvt::state_type state03; |
| zero_state(state03); |
| result r3 = cvt->unshift(state03, e_arr, e_arr + size, eto_next); |
| VERIFY( r3 == codecvt_base::noconv ); |
| VERIFY( !strcmp(e_arr, e_lit) ); |
| VERIFY( eto_next == e_arr ); |
| |
| delete [] e_arr; |
| } |
| |
| int main () |
| { |
| test01(); |
| return 0; |
| } |