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23cac885 | 1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
53279c10 | 2 | |
23cac885 | 3 | // Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. |
53279c10 JQ |
4 | // |
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 2, or (at your option) | |
9 | // any later version. | |
10 | ||
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. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
83f51799 | 18 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
53279c10 JQ |
19 | // USA. |
20 | ||
23cac885 BK |
21 | // 27.8.1.4 Overridden virtual functions |
22 | ||
0c20e4ec NS |
23 | // { dg-require-fileio "" } |
24 | ||
23cac885 | 25 | #include <fstream> |
53279c10 | 26 | #include <testsuite_hooks.h> |
46c4e5d6 | 27 | #include <testsuite_io.h> |
53279c10 | 28 | |
46c4e5d6 BK |
29 | // @require@ %-*.tst %-*.txt |
30 | // @diff@ %-*.tst %*.txt | |
53279c10 | 31 | |
46c4e5d6 BK |
32 | const char name_02[] = "tmp_sgetc_1out.tst"; // empty file, need to create |
33 | ||
34 | // Test overloaded virtual functions. | |
35 | void test05() | |
53279c10 JQ |
36 | { |
37 | using namespace std; | |
aecf642c | 38 | using namespace __gnu_test; |
46c4e5d6 BK |
39 | typedef std::filebuf::int_type int_type; |
40 | typedef filebuf::traits_type traits_type; | |
41 | ||
11f10e6b BK |
42 | bool test __attribute__((unused)) = true; |
43 | int_type c1, c2; | |
46c4e5d6 BK |
44 | |
45 | // int_type sgetc() | |
46 | // if read_cur not avail, return uflow(), else return *read_cur | |
53279c10 | 47 | |
46c4e5d6 BK |
48 | // out |
49 | { | |
50 | constraint_filebuf fb_02; // out | |
51 | fb_02.open(name_02, ios::out | ios::trunc); | |
71b46021 | 52 | VERIFY( !fb_02.write_position() ); |
46c4e5d6 BK |
53 | VERIFY( !fb_02.read_position() ); |
54 | c1 = fb_02.sgetc(); | |
55 | VERIFY( c1 == traits_type::eof() ); | |
56 | c2 = fb_02.sgetc(); | |
57 | VERIFY( c2 == traits_type::eof() ); | |
58 | fb_02.sbumpc(); | |
59 | c1 = fb_02.sbumpc(); | |
60 | c2 = fb_02.sgetc(); | |
61 | VERIFY( c1 == c2 ); | |
71b46021 | 62 | VERIFY( !fb_02.write_position() ); |
46c4e5d6 BK |
63 | VERIFY( !fb_02.read_position() ); |
64 | } | |
53279c10 JQ |
65 | } |
66 | ||
11f10e6b | 67 | int main() |
53279c10 | 68 | { |
46c4e5d6 | 69 | test05(); |
53279c10 JQ |
70 | return 0; |
71 | } |