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f63a8495 PC |
1 | // { dg-require-namedlocale "" } |
2 | ||
8c8dec01 PR |
3 | // 2003-09-08 Petur Runolfsson <peturr02@ru.is> |
4 | ||
f63a8495 | 5 | // Copyright (C) 2003, 2005 Free Software Foundation, Inc. |
8c8dec01 PR |
6 | // |
7 | // This file is part of the GNU ISO C++ Library. This library is free | |
8 | // software; you can redistribute it and/or modify it under the | |
9 | // terms of the GNU General Public License as published by the | |
10 | // Free Software Foundation; either version 2, or (at your option) | |
11 | // any later version. | |
12 | ||
13 | // This library is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License along | |
19 | // with this library; see the file COPYING. If not, write to the Free | |
20 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
21 | // USA. | |
22 | ||
23 | // 27.8.1.4 Overridden virtual functions | |
24 | ||
25 | #include <fstream> | |
26 | #include <locale> | |
27 | #include <cstdio> | |
28 | #include <testsuite_hooks.h> | |
29 | ||
30 | // Check that basic_filebuf::seekoff handles UTF-8 when open for input and | |
31 | // output. | |
32 | void test02() | |
33 | { | |
34 | using namespace std; | |
35 | typedef wfilebuf::int_type int_type; | |
11f10e6b | 36 | bool test __attribute__((unused)) = true; |
8c8dec01 PR |
37 | const char name[] = "tmp_seekoff-2.tst"; |
38 | ||
f63a8495 | 39 | locale loc = locale("se_NO.UTF-8"); |
8c8dec01 PR |
40 | |
41 | const size_t size = 10; | |
42 | wchar_t buf[size]; | |
43 | streamsize n; | |
44 | ||
45 | wfilebuf fb; | |
46 | fb.pubimbue(loc); | |
47 | fb.open(name, ios_base::in | ios_base::out | ios_base::trunc); | |
48 | ||
49 | n = fb.sputn(L"\xa0st", 3); | |
50 | VERIFY( n == 3 ); | |
51 | ||
52 | fb.pubseekoff(0, ios_base::beg); | |
53 | n = fb.sgetn(buf, 2); | |
54 | VERIFY( n == 2 ); | |
55 | VERIFY( !wmemcmp(buf, L"\xa0s", 2) ); | |
56 | ||
57 | fb.pubseekoff(0, ios_base::cur); | |
58 | n = fb.sputn(L"\xb2R", 2); | |
59 | VERIFY( n == 2 ); | |
60 | ||
61 | fb.pubseekoff(0, ios_base::beg); | |
62 | n = fb.sgetn(buf, size); | |
63 | VERIFY( n == 4 ); | |
64 | VERIFY( !wmemcmp(buf, L"\xa0s\xb2R", 4) ); | |
65 | ||
66 | fb.pubseekoff(0, ios_base::beg); | |
67 | n = fb.sputn(L"\x90m\x92n\x94", 5); | |
68 | VERIFY( n == 5 ); | |
69 | ||
70 | fb.pubseekoff(0, ios_base::beg); | |
71 | n = fb.sgetn(buf, 2); | |
72 | VERIFY( n == 2 ); | |
73 | VERIFY( !wmemcmp(buf, L"\x90m", 2) ); | |
74 | ||
75 | fb.pubseekoff(0, ios_base::end); | |
76 | n = fb.sputn(L"I\xbfJ", 3); | |
77 | VERIFY( n == 3 ); | |
78 | ||
79 | fb.pubseekoff(0, ios_base::beg); | |
80 | n = fb.sgetn(buf, size); | |
81 | VERIFY( n == 8 ); | |
82 | VERIFY( !wmemcmp(buf, L"\x90m\x92n\x94I\xbfJ", 8) ); | |
83 | ||
84 | fb.close(); | |
85 | } | |
86 | ||
87 | int main() | |
88 | { | |
89 | test02(); | |
90 | return 0; | |
91 | } |