]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/3.cc
1 // 2004-06-20 Paolo Carlini <pcarlini@suse.de>
3 // Copyright (C) 2004, 2009 Free Software Foundation
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 // 27.6.1.3 unformatted input functions
21 // @require@ %-*.tst %-*.txt
22 // @diff@ %-*.tst %-*.txt
24 // { dg-require-fileio "" }
29 #include <testsuite_hooks.h>
31 // istream& ignore(streamsize n)
36 bool test
__attribute__((unused
)) = true;
38 const char filename
[] ="istream_unformatted-1.txt";
39 ios_base::iostate state1
, state2
;
42 ifstrm
.open(filename
);
44 state1
= ifstrm
.rdstate();
45 VERIFY( state1
== ios_base::goodbit
);
46 VERIFY( ifstrm
.peek() == '1' );
47 state2
= ifstrm
.rdstate();
48 VERIFY( state1
== state2
);
50 state1
= ifstrm
.rdstate();
52 VERIFY( ifstrm
.gcount() == 1 );
53 state2
= ifstrm
.rdstate();
54 VERIFY( state1
== state2
);
55 VERIFY( ifstrm
.peek() == '2' );
57 state1
= ifstrm
.rdstate();
59 VERIFY( ifstrm
.gcount() == 10 );
60 state2
= ifstrm
.rdstate();
61 VERIFY( state1
== state2
);
62 VERIFY( ifstrm
.peek() == '1' );
64 state1
= ifstrm
.rdstate();
66 VERIFY( ifstrm
.gcount() == 100 );
67 state2
= ifstrm
.rdstate();
68 VERIFY( state1
== state2
);
69 VERIFY( ifstrm
.peek() == '2' );
71 state1
= ifstrm
.rdstate();
73 VERIFY( ifstrm
.gcount() == 1000 );
74 state2
= ifstrm
.rdstate();
75 VERIFY( state1
== state2
);
76 VERIFY( ifstrm
.peek() == '1' );
78 state1
= ifstrm
.rdstate();
80 VERIFY( ifstrm
.gcount() == 10000 );
81 state2
= ifstrm
.rdstate();
82 VERIFY( state1
== state2
);
83 VERIFY( ifstrm
.peek() == '2' );
85 state1
= ifstrm
.rdstate();
86 ifstrm
.ignore(numeric_limits
<streamsize
>::max());
87 VERIFY( ifstrm
.gcount() == 5389 );
88 state2
= ifstrm
.rdstate();
89 VERIFY( state1
!= state2
);
90 VERIFY( state2
== ios_base::eofbit
);