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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libstdc++-v3/] [testsuite/] [22_locale/] [codecvt/] [unshift/] [wchar_t/] [1.cc] - Rev 424
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// 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com> // Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 // 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 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; }