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1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
2 | ||
3 | // Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. | |
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, |
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19 | // USA. |
20 | ||
21 | // 27.8.1.4 Overridden virtual functions | |
22 | ||
0c20e4ec NS |
23 | // { dg-require-fileio "" } |
24 | ||
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25 | #include <fstream> |
26 | #include <testsuite_hooks.h> | |
27 | #include <testsuite_io.h> | |
28 | ||
29 | // @require@ %-*.tst %-*.txt | |
30 | // @diff@ %-*.tst %*.txt | |
31 | ||
32 | const char name_01[] = "sgetc.txt"; // file with data in it | |
33 | const char name_02[] = "tmp_snextc_1out.tst"; // empty file, need to create | |
34 | const char name_03[] = "tmp_snextc_1io.tst"; // empty file, need to create | |
35 | ||
36 | void test05() | |
37 | { | |
38 | using namespace std; | |
aecf642c | 39 | using namespace __gnu_test; |
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40 | typedef filebuf::int_type int_type; |
41 | typedef filebuf::traits_type traits_type; | |
42 | ||
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43 | bool test __attribute__((unused)) = true; |
44 | int_type c1, c3; | |
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45 | |
46 | // int_type snextc() | |
47 | // calls sbumpc and if sbumpc != eof, return sgetc | |
48 | ||
49 | // in | out 1 | |
50 | { | |
51 | constraint_filebuf fb_03; | |
52 | fb_03.open(name_03, ios_base::out | ios_base::in | ios_base::trunc); | |
71b46021 | 53 | VERIFY( !fb_03.write_position() ); |
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54 | VERIFY( !fb_03.read_position() ); |
55 | c3 = fb_03.snextc(); | |
56 | VERIFY( c3 == traits_type::eof() ); | |
71b46021 | 57 | VERIFY( !fb_03.write_position() ); |
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58 | VERIFY( !fb_03.read_position() ); |
59 | } | |
60 | ||
61 | // in | out 2 | |
62 | { | |
63 | constraint_filebuf fb_01; | |
64 | fb_01.open(name_01, ios_base::in | ios_base::out); | |
71b46021 | 65 | VERIFY( !fb_01.write_position() ); |
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66 | int_type c4 = fb_01.sbumpc(); |
67 | VERIFY( c4 == '/' ); | |
68 | c4 = fb_01.sbumpc(); | |
69 | VERIFY( c4 == '/' ); | |
70 | c4 = fb_01.sgetc(); | |
71 | VERIFY( c4 == ' ' ); | |
72 | c1 = fb_01.snextc(); | |
73 | VERIFY( c1 == '9' ); | |
74 | c4 = fb_01.sgetc(); | |
75 | VERIFY( c4 == '9' ); | |
71b46021 | 76 | VERIFY( !fb_01.write_position() ); |
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77 | VERIFY( fb_01.read_position() ); |
78 | } | |
79 | } | |
80 | ||
11f10e6b | 81 | int main() |
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82 | { |
83 | test05(); | |
84 | return 0; | |
85 | } |