chiark / gitweb /
Quieten compiler
[disorder] / libtests / t-casefold.c
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1/*
2 * This file is part of DisOrder.
3 * Copyright (C) 2005, 2007, 2008 Richard Kettlewell
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18 * USA
19 */
20#include "test.h"
21
c68d8eba 22static void test_casefold(void) {
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23 uint32_t c, l;
24 const char *input, *canon_folded, *compat_folded, *canon_expected, *compat_expected;
25
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26 /* This isn't a very exhaustive test. Unlike for normalization, there don't
27 * seem to be any public test vectors for these algorithms. */
28
29 for(c = 1; c < 256; ++c) {
30 input = utf32_to_utf8(&c, 1, 0);
31 canon_folded = utf8_casefold_canon(input, strlen(input), 0);
32 compat_folded = utf8_casefold_compat(input, strlen(input), 0);
33 switch(c) {
34 default:
35 if((c >= 'A' && c <= 'Z')
36 || (c >= 0xC0 && c <= 0xDE && c != 0xD7))
37 l = c ^ 0x20;
38 else
39 l = c;
40 break;
41 case 0xB5: /* MICRO SIGN */
42 l = 0x3BC; /* GREEK SMALL LETTER MU */
43 break;
44 case 0xDF: /* LATIN SMALL LETTER SHARP S */
45 check_string(canon_folded, "ss");
46 check_string(compat_folded, "ss");
47 l = 0;
48 break;
49 }
50 if(l) {
51 uint32_t *d;
52 /* Case-folded data is now normalized */
53 d = utf32_decompose_canon(&l, 1, 0);
54 canon_expected = utf32_to_utf8(d, utf32_len(d), 0);
55 if(strcmp(canon_folded, canon_expected)) {
56 fprintf(stderr, "%s:%d: canon-casefolding %#lx got '%s', expected '%s'\n",
57 __FILE__, __LINE__, (unsigned long)c,
58 format(canon_folded), format(canon_expected));
59 count_error();
60 }
61 ++tests;
62 d = utf32_decompose_compat(&l, 1, 0);
63 compat_expected = utf32_to_utf8(d, utf32_len(d), 0);
64 if(strcmp(compat_folded, compat_expected)) {
65 fprintf(stderr, "%s:%d: compat-casefolding %#lx got '%s', expected '%s'\n",
66 __FILE__, __LINE__, (unsigned long)c,
67 format(compat_folded), format(compat_expected));
68 count_error();
69 }
70 ++tests;
71 }
72 }
73 check_string(utf8_casefold_canon("", 0, 0), "");
74}
75
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76TEST(casefold);
77
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78/*
79Local Variables:
80c-basic-offset:2
81comment-column:40
82fill-column:79
83indent-tabs-mode:nil
84End:
85*/