// 1999-10-14 bkoz // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, // 2009, 2010 // 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 // . // 27.6.1.1.2 class basic_istream::sentry #include #include #include #include #include #include void test01() { using namespace std; using __gnu_test::pod_ushort; typedef basic_string string_type; typedef basic_stringbuf stringbuf_type; typedef basic_ostream ostream_type; bool test __attribute__((unused)) = true; const string_type str01; stringbuf_type* strbuf01 = 0; stringbuf_type strbuf02(str01); ostream_type ostr01(strbuf01); ostream_type ostr02(&strbuf02); // test negatives try { ostream_type::sentry sentry01(ostr01); } catch (std::bad_cast& obj) { // Not ok, throws bad_cast because locale has no ctype facet, // but none is needed for ostream::sentry. VERIFY( false ); } catch (...) { VERIFY( false ); } // imbued. const std::locale loc(std::locale::classic(), new std::ctype); ostr01.imbue(loc); try { ostream_type::sentry sentry01(ostr01); VERIFY( bool(sentry01) == false ); } catch (...) { VERIFY( false ); } // test positive try { ostream_type::sentry sentry03(ostr02); } catch (std::bad_cast& obj) { // Not ok, throws bad_cast because locale has no ctype facet, // but none is needed for ostream::sentry. VERIFY( false ); } catch (...) { VERIFY( false ); } // imbued. ostr02.clear(); ostr02.imbue(loc); try { ostream_type::sentry sentry03(ostr02); VERIFY( bool(sentry03) == true ); } catch (...) { VERIFY( false ); } } #if !__GXX_WEAK__ // Explicitly instantiate for systems with no COMDAT or weak support. template const std::basic_string<__gnu_test::pod_ushort>::size_type std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_max_size; template const __gnu_test::pod_ushort std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_terminal; #endif int main() { test01(); return 0; }