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1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
2 | ||
7adcbafe | 3 | // Copyright (C) 2001-2022 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[] = "filebuf_virtuals-1.txt"; // file with data in it | |
32 | const char name_03[] = "tmp_sputc_1io.tst"; | |
33 | ||
34 | void test05() | |
35 | { | |
36 | using namespace std; | |
aecf642c | 37 | using namespace __gnu_test; |
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38 | |
39 | typedef filebuf::int_type int_type; | |
40 | typedef filebuf::traits_type traits_type; | |
41 | ||
11f10e6b | 42 | int_type c1, c2; |
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43 | |
44 | // int_type sputc(char_type c) | |
45 | // if out_cur not avail, return overflow(traits_type::to_int_type(c)) | |
46 | // else, stores c at out_cur, | |
47 | // increments out_cur, and returns c as int_type | |
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 | c1 = fb_03.sputc('b'); | |
56 | VERIFY( c1 == 'b' ); | |
57 | c2 = fb_03.sputc('d'); | |
58 | VERIFY( c2 == 'd' ); | |
59 | for (int i = 50; i <= 90; ++i) | |
60 | c2 = fb_03.sputc(char(i)); | |
61 | VERIFY( fb_03.write_position() ); | |
62 | VERIFY( !fb_03.read_position() ); | |
63 | } | |
64 | } | |
65 | ||
11f10e6b | 66 | int main() |
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67 | { |
68 | test05(); | |
69 | return 0; | |
70 | } |