| // Copyright (C) 2004 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 <istream> |
| #include <sstream> |
| #include <testsuite_hooks.h> |
| |
| void test01() |
| { |
| bool test __attribute__((unused)) = true; |
| const wchar_t* lit01 = L"stereolab on the bolsinga tip"; |
| const std::wstring str01(lit01); |
| |
| std::wstringbuf strbuf01; |
| std::wstringbuf strbuf02(str01); |
| std::wistream istr01(&strbuf01); |
| std::wistream istr02(&strbuf02); |
| |
| // test negatives |
| std::wistream::sentry sentry01(istr01); |
| VERIFY( bool(sentry01) == false ); |
| |
| std::wistream::sentry sentry02(istr01, true); |
| VERIFY( bool(sentry02) == false ); |
| |
| // positive tests |
| std::wistream::sentry sentry03(istr02); |
| VERIFY( bool(sentry03) == true ); |
| |
| std::wistream::sentry sentry04(istr02, true); |
| VERIFY( bool(sentry04) == true ); |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |