| // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
| |
| // Copyright (C) 2001, 2002, 2003, 2009 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 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/>. |
| |
| // 27.8.1.4 Overridden virtual functions |
| |
| // { dg-require-fileio "" } |
| |
| #include <fstream> |
| #include <testsuite_hooks.h> |
| #include <testsuite_io.h> |
| |
| // @require@ %-*.tst %-*.txt |
| // @diff@ %-*.tst %*.txt |
| |
| const char name_01[] = "sgetc.txt"; // file with data in it |
| const char name_03[] = "tmp_sbumpc_2io.tst"; // empty file, need to create |
| |
| void test05() |
| { |
| using namespace std; |
| using namespace __gnu_test; |
| typedef filebuf::int_type int_type; |
| typedef filebuf::traits_type traits_type; |
| |
| bool test __attribute__((unused)) = true; |
| |
| // int_type sbumpc() |
| // if read_cur not avail returns uflow(), else return *read_cur & increment |
| |
| // in | out 1 |
| { |
| constraint_filebuf fb_03; |
| fb_03.pubsetbuf(0, 0); |
| fb_03.open(name_03, ios_base::out | ios_base::in | ios_base::trunc); |
| VERIFY( fb_03.unbuffered() ); |
| int_type c5 = fb_03.sbumpc(); |
| VERIFY( c5 == traits_type::eof() ); |
| VERIFY( fb_03.unbuffered() ); |
| } |
| |
| // in | out 2 |
| { |
| constraint_filebuf fb_01; |
| fb_01.pubsetbuf(0, 0); |
| fb_01.open(name_01, ios_base::in | ios_base::out); |
| VERIFY( fb_01.unbuffered() ); |
| |
| int_type c1 = fb_01.sbumpc(); |
| VERIFY( c1 == '/' ); |
| int_type c3 = fb_01.sbumpc(); |
| VERIFY( c3 == '/' ); |
| |
| c1 = fb_01.sgetc(); |
| int_type c2 = fb_01.sbumpc(); |
| c3 = fb_01.sgetc(); |
| VERIFY( c1 == ' ' ); |
| VERIFY( c3 == '9' ); |
| VERIFY( c1 == c2 ); |
| VERIFY( c2 != c3 ); |
| |
| c1 = fb_01.sbumpc(); |
| c2 = fb_01.sbumpc(); |
| c3 = fb_01.sgetc(); |
| VERIFY( c1 == '9' ); |
| VERIFY( c2 == '9' ); |
| VERIFY( c3 == '0' ); |
| |
| VERIFY( fb_01.unbuffered() ); |
| } |
| } |
| |
| int main() |
| { |
| test05(); |
| return 0; |
| } |