// 2000-09-11 Benjamin Kosnik // 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 // . // 22.1.2 locale globals [lib.locale.global.templates] #include // for mbstate_t #include #include #include typedef std::codecvt ccodecvt; class gnu_codecvt: public ccodecvt { }; void test01() { using namespace std; bool test __attribute__((unused)) = true; // construct a locale object with the C facet const locale& cloc = locale::classic(); // sanity check the constructed locale has the normal facet VERIFY( has_facet(cloc) ); // construct a locale object with the specialized facet. locale loc(locale::classic(), new gnu_codecvt); // sanity check the constructed locale has the specialized facet. VERIFY( has_facet(loc) ); try { const ccodecvt& cvt01 __attribute__((unused)) = use_facet(cloc); } catch(...) { VERIFY( false ); } try { const gnu_codecvt& cvt02 __attribute__((unused)) = use_facet(loc); } catch(...) { VERIFY( false ); } try { const ccodecvt& cvt03 __attribute__((unused)) = use_facet(cloc); } catch(bad_cast& obj) { VERIFY( true ); } catch(...) { VERIFY( false ); } } int main () { test01(); return 0; }