| // 1999-10-14 bkoz |
| |
| // Copyright (C) 1999, 2001, 2003, 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // 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 <istream> |
| #include <sstream> |
| #include <ext/pod_char_traits.h> |
| #include <testsuite_hooks.h> |
| #include <testsuite_character.h> |
| |
| void test01() |
| { |
| using namespace std; |
| using __gnu_test::pod_ushort; |
| typedef basic_string<pod_ushort> string_type; |
| typedef basic_stringbuf<pod_ushort> stringbuf_type; |
| typedef basic_istream<pod_ushort> istream_type; |
| |
| bool test __attribute__((unused)) = true; |
| |
| |
| const string_type str01; |
| stringbuf_type strbuf01; |
| stringbuf_type strbuf02(str01); |
| istream_type istr01(&strbuf01); |
| istream_type istr02(&strbuf02); |
| |
| // test negatives |
| try |
| { |
| istream_type::sentry sentry01(istr01); |
| } |
| catch (std::bad_cast& obj) |
| { |
| // Ok, throws bad_cast because locale has no ctype facet. |
| } |
| catch (...) |
| { |
| VERIFY( false ); |
| } |
| |
| try |
| { |
| istream_type::sentry sentry02(istr01, true); |
| } |
| catch (std::bad_cast& obj) |
| { |
| // Ok, throws bad_cast because locale has no ctype facet. |
| } |
| catch (...) |
| { |
| VERIFY( false ); |
| } |
| |
| // imbued. |
| const std::locale loc(std::locale::classic(), new std::ctype<pod_ushort>); |
| istr01.imbue(loc); |
| try |
| { |
| istream_type::sentry sentry01(istr01); |
| VERIFY( bool(sentry01) == false ); |
| } |
| catch (...) |
| { |
| VERIFY( false ); |
| } |
| |
| try |
| { |
| istream_type::sentry sentry02(istr01, true); |
| VERIFY( bool(sentry02) == false ); |
| } |
| catch (...) |
| { |
| VERIFY( false ); |
| } |
| |
| // test positive |
| try |
| { |
| istream_type::sentry sentry03(istr02); |
| } |
| catch (std::bad_cast& obj) |
| { |
| // Ok, throws bad_cast because locale has no ctype facet. |
| } |
| catch (...) |
| { |
| VERIFY( false ); |
| } |
| |
| try |
| { |
| istream_type::sentry sentry04(istr02, true); |
| } |
| catch (std::bad_cast& obj) |
| { |
| // Ok, throws bad_cast because locale has no ctype facet. |
| } |
| catch (...) |
| { |
| VERIFY( false ); |
| } |
| |
| // imbued. |
| istr02.imbue(loc); |
| try |
| { |
| istr02.clear(); |
| istream_type::sentry sentry03(istr02); |
| // ... as eofbit set. |
| VERIFY( bool(sentry03) == false ); |
| } |
| catch (...) |
| { |
| VERIFY( false ); |
| } |
| |
| try |
| { |
| istr02.clear(); |
| istream_type::sentry sentry04(istr02, true); |
| VERIFY( bool(sentry04) == true ); |
| } |
| catch (...) |
| { |
| VERIFY( false ); |
| } |
| } |
| |
| #if !__GXX_WEAK__ |
| // Explicitly instantiate for systems with no COMDAT or weak support. |
| template |
| std::basic_string<__gnu_test::pod_ushort>::size_type |
| std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_max_size; |
| |
| template |
| __gnu_test::pod_ushort |
| std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_terminal; |
| #endif |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |