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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [testsuite/] [22_locale/] [codecvt/] [length/] [wchar_t/] [7.cc] - Rev 516
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// { dg-require-namedlocale "" } // 2003-02-06 Petur Runolfsson <peturr02@ru.is> // Copyright (C) 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> // // Test handling of illegal input sequence in UTF-8. void test07() { using namespace std; typedef codecvt<wchar_t, char, mbstate_t> w_codecvt; typedef wchar_t int_type; typedef char ext_type; bool test __attribute__((unused)) = true; const ext_type* e_lit = "a\xc0\xff"; int size = strlen(e_lit); locale loc = locale("en_US.UTF-8"); locale::global(loc); const w_codecvt* cvt = &use_facet<w_codecvt>(loc); w_codecvt::state_type state01; zero_state(state01); int i = cvt->length(state01, e_lit, e_lit + size, 1); VERIFY( i == 1 ); w_codecvt::state_type state02; zero_state(state02); int j = cvt->length(state02, e_lit, e_lit + size, size); VERIFY( j == 1 ); w_codecvt::state_type state03; zero_state(state03); int k = cvt->length(state03, e_lit, e_lit + size, size * 2); VERIFY( k == 1 ); } int main () { test07(); return 0; }