| // Copyright (C) 2004 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 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. |
| |
| // 27.6.1.2.3 character extractors |
| |
| #include <istream> |
| #include <sstream> |
| #include <testsuite_hooks.h> |
| |
| void test02() |
| { |
| bool test __attribute__((unused)) = true; |
| std::wstring str_01; |
| const std::wstring str_02(L"or coltrane playing tunji with jimmy garrison"); |
| const std::wstring str_03(L"coltrane"); |
| |
| std::wstringbuf isbuf_01(std::ios_base::in); |
| std::wstringbuf isbuf_02(str_02, std::ios_base::in); |
| std::wistream is_01(NULL); |
| std::wistream is_02(&isbuf_02); |
| std::ios_base::iostate state1, state2, statefail; |
| statefail = std::ios_base::failbit; |
| |
| // template<_CharT, _Traits> |
| // basic_istream& operator>>(istream&, _CharT&) |
| wchar_t c1 = L'c', c2 = L'c'; |
| state1 = is_01.rdstate(); |
| is_01 >> c1; |
| state2 = is_01.rdstate(); |
| VERIFY( state1 != state2 ); |
| VERIFY( c1 == c2 ); |
| VERIFY( static_cast<bool>(state2 & statefail) ); |
| |
| state1 = is_02.rdstate(); |
| is_02 >> c1; |
| state2 = is_02.rdstate(); |
| VERIFY( state1 == state2 ); |
| VERIFY( c1 == L'o' ); |
| is_02 >> c1; |
| is_02 >> c1; |
| VERIFY( c1 == L'c' ); |
| VERIFY( !static_cast<bool>(state2 & statefail) ); |
| } |
| |
| int main() |
| { |
| test02(); |
| return 0; |
| } |