| // 2003-02-06 Petur Runolfsson <peturr02@ru.is> |
| |
| // Copyright (C) 2003-2013 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> |
| // |
| // Test handling of '\0' characters in input |
| // libstdc++/9246 |
| void test05() |
| { |
| 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; |
| typedef char_traits<char> ext_traits; |
| |
| bool test __attribute__((unused)) = true; |
| const ext_type e_lit[] = { '\0', '\0', 'f', '\0' }; |
| const int_type i_lit[] = { L'\0', L'\0', L'f', L'\0' }; |
| const int_type* ifrom_next; |
| int size = sizeof(e_lit); |
| ext_type* e_arr = new ext_type[size + 1]; |
| ext_type* e_ref = new ext_type[size + 1]; |
| memset(e_arr, 0xf0, size + 1); |
| memset(e_ref, 0xf0, size + 1); |
| ext_type* eto_next; |
| |
| locale loc; |
| const w_codecvt* cvt = &use_facet<w_codecvt>(loc); |
| |
| // out |
| w_codecvt::state_type state02; |
| zero_state(state02); |
| result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, |
| e_arr, e_arr + size, eto_next); |
| VERIFY( r2 == codecvt_base::ok ); |
| VERIFY( ifrom_next == i_lit + size ); |
| VERIFY( eto_next == e_arr + size ); |
| VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); |
| VERIFY( !ext_traits::compare(eto_next, e_ref, 1) ); |
| |
| delete [] e_arr; |
| delete [] e_ref; |
| } |
| |
| int main () |
| { |
| test05(); |
| return 0; |
| } |