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9c69a458 | 1 | // { dg-require-namedlocale "se_NO.UTF-8" } |
f63a8495 | 2 | |
8c8dec01 PR |
3 | // 2003-09-08 Petur Runolfsson <peturr02@ru.is> |
4 | ||
a5544970 | 5 | // Copyright (C) 2003-2019 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 | |
748086b7 | 10 | // Free Software Foundation; either version 3, or (at your option) |
8c8dec01 PR |
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 | |
748086b7 JJ |
19 | // with this library; see the file COPYING3. If not see |
20 | // <http://www.gnu.org/licenses/>. | |
8c8dec01 PR |
21 | |
22 | // 27.8.1.4 Overridden virtual functions | |
23 | ||
24 | #include <fstream> | |
25 | #include <locale> | |
26 | #include <cstdio> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | // Check that basic_filebuf::seekoff handles UTF-8 when open for input. | |
30 | void test01() | |
31 | { | |
32 | using namespace std; | |
33 | typedef wfilebuf::pos_type pos_type; | |
34 | typedef wfilebuf::int_type int_type; | |
35 | ||
8c8dec01 PR |
36 | const char name[] = "tmp_seekoff-1.tst"; |
37 | const int_type eof = wfilebuf::traits_type::eof(); | |
38 | ||
39 | const char cstr[] = | |
40 | "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13" | |
41 | "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&" | |
42 | "'()*+,-./0123456789:;<=>?@}~\x7f\xc2\x80\xc2\x81\xc2\x82\xc2" | |
43 | "\x83\xc2\x84\xc2\x85\xc2\x86\xc2\x87\xc2\x88\xc2\x89\xc2\x8a" | |
44 | "\xc2\x8b\xc2\x8c\xc2\x8d\xc2\x8e\xc2\x8f\xc2\x90\xc2\x91\xc2" | |
45 | "\x92\xc2\x93\xc2\x94\xc2\x95\xc2\x96\xc2\x97\xc2\x98\xc2\x99" | |
46 | "\xc2\x9a\xc2\x9b\xc2\x9c\xc3\xba\xc3\xbb\xc3\xbc\xc3\xbd\xc3" | |
47 | "\xbe\xc3\xbf\xc4\x80\xc4\x81\xc4\x82\xc4\x83\xc4\x84\xc4\x85" | |
48 | "\xc4\x86\xc4\x87\xc4\x88\xc4\x89\xc4\x8a\xc4\x8b\xc4\x8c\xc4" | |
49 | "\x8d\xc4\x8e\xc4\x8f\xc4\x90\xc4\x91\xc4\x92\xc4\x93\xc4\x94" | |
50 | "\xc4\x95\xc4\x96\xc4\x97\xc4\x98\xc4\x99\xdf\xb8\xdf\xb9\xdf" | |
51 | "\xba\xdf\xbb\xdf\xbc\xdf\xbd\xdf\xbe\xdf\xbf\xe0\xa0\x80\xe0" | |
52 | "\xa0\x81\xe0\xa0\x82\xe0\xa0\x83\xe0\xa0\x84\xe0\xa0\x85\xe0" | |
53 | "\xa0\x86\xe0\xa0\x87\xe0\xa0\x88\xe0\xa0\x89\xe0\xa0\x8a\xe0" | |
54 | "\xa0\x8b\xe0\xa0\x8c\xe0\xa0\x8d\xe0\xa0\x8e\xe0\xa0\x8f\xe0" | |
55 | "\xa0\x90\xe0\xa0\x91\xe0\xa0\x92\xe0\xa0\x93\xe0\xa0\x94\xe0" | |
56 | "\xa0\x95\xe0\xa0\x96\xe0\xa0\x97\x1\x2\x4\x8\x10\x20@\xc2\x80" | |
57 | "\xc4\x80\xc8\x80\xd0\x80\xe0\xa0\x80\xe1\x80\x80\xe2\x80\x80" | |
58 | "\xe4\x80\x80\xe8\x80\x80\xf0\x90\x80\x80\xf0\xa0\x80\x80\xf1" | |
1b741475 | 59 | "\x80\x80\x80\xf2\x80\x80\x80\xf4\x80\x80\x80"; |
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60 | |
61 | const wchar_t wstr[] = { | |
62 | 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, | |
63 | 0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, | |
64 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L'!', | |
65 | L'"', L'#', L'$', L'%', L'&', L'\'', L'(', L')', L'*', L'+', | |
66 | L',', L'-', L'.', L'/', L'0', L'1', L'2', L'3', L'4', L'5', | |
67 | L'6', L'7', L'8', L'9', L':', L';', L'<', L'=', L'>', L'?', | |
68 | L'@', L'}', L'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, | |
69 | 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, | |
70 | 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, | |
71 | 0x9a, 0x9b, 0x9c, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x100, | |
72 | 0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107, 0x108, 0x109, | |
73 | 0x10a, 0x10b, 0x10c, 0x10d, 0x10e, 0x10f, 0x110, 0x111, 0x112, | |
74 | 0x113, 0x114, 0x115, 0x116, 0x117, 0x118, 0x119, 0x7f8, 0x7f9, | |
75 | 0x7fa, 0x7fb, 0x7fc, 0x7fd, 0x7fe, 0x7ff, 0x800, 0x801, 0x802, | |
76 | 0x803, 0x804, 0x805, 0x806, 0x807, 0x808, 0x809, 0x80a, 0x80b, | |
77 | 0x80c, 0x80d, 0x80e, 0x80f, 0x810, 0x811, 0x812, 0x813, 0x814, | |
78 | 0x815, 0x816, 0x817, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, L'@', | |
79 | 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000, | |
1b741475 | 80 | 0x10000, 0x20000, 0x40000, 0x80000, 0x100000, 0x0 |
8c8dec01 PR |
81 | }; |
82 | ||
83 | const size_t clen = sizeof(cstr) / sizeof(cstr[0]); | |
84 | const size_t wlen = sizeof(wstr) / sizeof(wstr[0]); | |
85 | ||
86 | const int loops = 2 * BUFSIZ / wlen; | |
f63a8495 | 87 | locale loc = locale("se_NO.UTF-8"); |
8c8dec01 PR |
88 | |
89 | FILE* file = fopen(name, "w"); | |
90 | for (int i = 0; i < loops; ++i) | |
91 | fwrite(cstr, 1, clen, file); | |
92 | fclose(file); | |
93 | ||
94 | wfilebuf fb; | |
95 | fb.pubimbue(loc); | |
96 | fb.open(name, ios_base::in); | |
97 | ||
98 | pos_type p1 = fb.pubseekoff(0, ios_base::cur); | |
99 | pos_type end = fb.pubseekoff(0, ios_base::end); | |
100 | pos_type beg = fb.pubseekoff(0, ios_base::beg); | |
101 | VERIFY( p1 == beg ); | |
102 | ||
103 | const size_t limit = wlen * loops; | |
104 | for (size_t index = 0; index < limit; ++index) | |
105 | { | |
106 | // Call seekoff at pseudo-random intervals. | |
107 | if (index % 5 == 0 || index % 7 == 0) | |
108 | { | |
109 | pos_type p2 = fb.pubseekoff(0, ios_base::cur); | |
110 | VERIFY( p2 != pos_type(-1) ); | |
111 | } | |
112 | int_type c1 = fb.sbumpc(); | |
113 | VERIFY( c1 != eof ); | |
11f10e6b | 114 | VERIFY( static_cast<wchar_t>(c1) == wstr[index % wlen] ); |
8c8dec01 PR |
115 | } |
116 | ||
117 | pos_type p3 = fb.pubseekoff(0, ios_base::cur); | |
118 | VERIFY( p3 == end ); | |
119 | ||
120 | int_type c2 = fb.sbumpc(); | |
121 | VERIFY( c2 == eof ); | |
122 | ||
123 | fb.close(); | |
124 | } | |
125 | ||
126 | int main() | |
127 | { | |
128 | test01(); | |
129 | return 0; | |
130 | } |