// 1999-10-14 bkoz // Copyright (C) 1999, 2001, 2003 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 2, 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 COPYING. If not, write to the Free // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // USA. // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. // 27.6.1.1.2 class basic_istream::sentry #include <ostream> #include <sstream> #include <ext/pod_char_traits.h> #include <testsuite_hooks.h> void test01() { using namespace std; using __gnu_test::pod_type; typedef basic_string<pod_type> string_type; typedef basic_stringbuf<pod_type> stringbuf_type; typedef basic_ostream<pod_type> ostream_type; bool test __attribute__((unused)) = true; const string_type str01; stringbuf_type* strbuf01 = NULL; 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<pod_type>); 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 std::basic_string<__gnu_test::pod_type>::size_type std::basic_string<__gnu_test::pod_type>::_Rep::_S_max_size; template __gnu_test::pod_type std::basic_string<__gnu_test::pod_type>::_Rep::_S_terminal; #endif int main() { test01(); return 0; }