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23cac885 | 1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
53279c10 | 2 | |
7adcbafe | 3 | // Copyright (C) 2001-2022 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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
53279c10 JQ |
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 | |
748086b7 JJ |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
53279c10 | 19 | |
23cac885 BK |
20 | // 27.8.1.4 Overridden virtual functions |
21 | ||
22 | #include <fstream> | |
53279c10 | 23 | #include <testsuite_hooks.h> |
46c4e5d6 | 24 | #include <testsuite_io.h> |
53279c10 | 25 | |
46c4e5d6 BK |
26 | // @require@ %-*.tst %-*.txt |
27 | // @diff@ %-*.tst %*.txt | |
53279c10 | 28 | |
46c4e5d6 BK |
29 | const char name_01[] = "sgetc.txt"; // file with data in it |
30 | const char name_02[] = "tmp_snextc_1out.tst"; // empty file, need to create | |
31 | const char name_03[] = "tmp_snextc_1io.tst"; // empty file, need to create | |
32 | ||
33 | void test05() | |
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34 | { |
35 | using namespace std; | |
aecf642c | 36 | using namespace __gnu_test; |
46c4e5d6 BK |
37 | typedef filebuf::int_type int_type; |
38 | typedef filebuf::traits_type traits_type; | |
39 | ||
11f10e6b | 40 | int_type c2; |
46c4e5d6 BK |
41 | |
42 | // int_type snextc() | |
43 | // calls sbumpc and if sbumpc != eof, return sgetc | |
53279c10 | 44 | |
46c4e5d6 BK |
45 | // out |
46 | { | |
47 | constraint_filebuf fb_02; | |
48 | fb_02.open(name_02, ios_base::out | ios_base::trunc); | |
71b46021 | 49 | VERIFY( !fb_02.write_position() ); |
46c4e5d6 BK |
50 | VERIFY( !fb_02.read_position() ); |
51 | c2 = fb_02.snextc(); | |
52 | VERIFY( c2 == traits_type::eof() ); | |
53 | c2 = fb_02.snextc(); | |
54 | VERIFY( c2 == traits_type::eof() ); | |
71b46021 | 55 | VERIFY( !fb_02.write_position() ); |
46c4e5d6 BK |
56 | VERIFY( !fb_02.read_position() ); |
57 | } | |
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58 | } |
59 | ||
11f10e6b | 60 | int main() |
53279c10 | 61 | { |
46c4e5d6 | 62 | test05(); |
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63 | return 0; |
64 | } |