| // Copyright (C) 2004, 2009 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 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 |
| // <http://www.gnu.org/licenses/>. |
| |
| // 27.6.1.3 unformatted input functions |
| // @require@ %-*.tst %-*.txt |
| // @diff@ %-*.tst %-*.txt |
| |
| #include <istream> |
| #include <fstream> |
| #include <limits> |
| #include <testsuite_hooks.h> |
| |
| // istream& ignore(streamsize n) |
| void |
| test01() |
| { |
| using namespace std; |
| bool test __attribute__((unused)) = true; |
| |
| const char filename[] ="istream_unformatted-1.txt"; |
| ios_base::iostate state1, state2; |
| |
| wifstream ifstrm; |
| ifstrm.open(filename); |
| |
| state1 = ifstrm.rdstate(); |
| VERIFY( state1 == ios_base::goodbit ); |
| VERIFY( ifstrm.peek() == L'1' ); |
| state2 = ifstrm.rdstate(); |
| VERIFY( state1 == state2 ); |
| |
| state1 = ifstrm.rdstate(); |
| ifstrm.ignore(1); |
| VERIFY( ifstrm.gcount() == 1 ); |
| state2 = ifstrm.rdstate(); |
| VERIFY( state1 == state2 ); |
| VERIFY( ifstrm.peek() == L'2' ); |
| |
| state1 = ifstrm.rdstate(); |
| ifstrm.ignore(10); |
| VERIFY( ifstrm.gcount() == 10 ); |
| state2 = ifstrm.rdstate(); |
| VERIFY( state1 == state2 ); |
| VERIFY( ifstrm.peek() == L'1' ); |
| |
| state1 = ifstrm.rdstate(); |
| ifstrm.ignore(100); |
| VERIFY( ifstrm.gcount() == 100 ); |
| state2 = ifstrm.rdstate(); |
| VERIFY( state1 == state2 ); |
| VERIFY( ifstrm.peek() == L'2' ); |
| |
| state1 = ifstrm.rdstate(); |
| ifstrm.ignore(1000); |
| VERIFY( ifstrm.gcount() == 1000 ); |
| state2 = ifstrm.rdstate(); |
| VERIFY( state1 == state2 ); |
| VERIFY( ifstrm.peek() == L'1' ); |
| |
| state1 = ifstrm.rdstate(); |
| ifstrm.ignore(10000); |
| VERIFY( ifstrm.gcount() == 10000 ); |
| state2 = ifstrm.rdstate(); |
| VERIFY( state1 == state2 ); |
| VERIFY( ifstrm.peek() == L'2' ); |
| |
| state1 = ifstrm.rdstate(); |
| ifstrm.ignore(numeric_limits<streamsize>::max()); |
| VERIFY( ifstrm.gcount() == 5389 ); |
| state2 = ifstrm.rdstate(); |
| VERIFY( state1 != state2 ); |
| VERIFY( state2 == ios_base::eofbit ); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| return 0; |
| } |