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1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
2 | ||
cbe34bb5 | 3 | // Copyright (C) 2001-2017 Free Software Foundation, Inc. |
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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) |
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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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 27.8.1.4 Overridden virtual functions | |
21 | ||
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22 | // { dg-require-fileio "" } |
23 | ||
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24 | #include <fstream> |
25 | #include <testsuite_hooks.h> | |
26 | #include <testsuite_io.h> | |
27 | ||
28 | // @require@ %-*.tst %-*.txt | |
29 | // @diff@ %-*.tst %*.txt | |
30 | ||
31 | const char name_01[] = "sgetc.txt"; // file with data in it | |
32 | const char name_02[] = "tmp_snextc_1out.tst"; // empty file, need to create | |
33 | const char name_03[] = "tmp_snextc_1io.tst"; // empty file, need to create | |
34 | ||
35 | void test05() | |
36 | { | |
37 | using namespace std; | |
aecf642c | 38 | using namespace __gnu_test; |
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39 | typedef filebuf::int_type int_type; |
40 | typedef filebuf::traits_type traits_type; | |
41 | ||
11f10e6b | 42 | int_type c1; |
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43 | |
44 | // int_type snextc() | |
45 | // calls sbumpc and if sbumpc != eof, return sgetc | |
46 | ||
47 | // in | |
48 | { | |
49 | constraint_filebuf fb_01; | |
50 | fb_01.open(name_01, ios_base::in); | |
51 | VERIFY( !fb_01.write_position() ); | |
52 | c1 = fb_01.snextc(); | |
53 | VERIFY( c1 == '/' ); | |
54 | c1 = fb_01.snextc(); | |
55 | VERIFY( c1 == ' ' ); | |
56 | VERIFY( !fb_01.write_position() ); | |
57 | VERIFY( fb_01.read_position() ); | |
58 | } | |
59 | ||
60 | // in | |
61 | { | |
62 | constraint_filebuf fb_01; | |
63 | fb_01.open(name_01, ios_base::in); | |
64 | VERIFY( !fb_01.write_position() ); | |
65 | int_type c4 = fb_01.sbumpc(); | |
66 | VERIFY( c4 == '/' ); | |
67 | c4 = fb_01.sbumpc(); | |
68 | VERIFY( c4 == '/' ); | |
69 | c4 = fb_01.sgetc(); | |
70 | VERIFY( c4 == ' ' ); | |
71 | c1 = fb_01.snextc(); | |
72 | VERIFY( c1 == '9' ); | |
73 | c4 = fb_01.sgetc(); | |
74 | VERIFY( c4 == '9' ); | |
75 | VERIFY( !fb_01.write_position() ); | |
76 | VERIFY( fb_01.read_position() ); | |
77 | } | |
78 | } | |
79 | ||
11f10e6b | 80 | int main() |
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81 | { |
82 | test05(); | |
83 | return 0; | |
84 | } |