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[disorder] / libtests / t-utf8.c
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1/*
2 * This file is part of DisOrder.
3 * Copyright (C) 2005, 2007, 2008 Richard Kettlewell
4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
b90f122b 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
b90f122b 8 * (at your option) any later version.
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9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
b90f122b 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
18#include "test.h"
19
c68d8eba 20static void test_utf8(void) {
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21 /* Test validutf8, convert to UCS-4, check the answer is right,
22 * convert back to UTF-8, check we got to where we started */
23#define U8(CHARS, WORDS) do { \
24 uint32_t *w = ucs4parse(WORDS); \
25 uint32_t *ucs; \
26 char *u8; \
27 \
28 insist(validutf8(CHARS)); \
29 ucs = utf8_to_utf32(CHARS, strlen(CHARS), 0); \
30 insist(ucs != 0); \
31 insist(!utf32_cmp(w, ucs)); \
32 u8 = utf32_to_utf8(ucs, utf32_len(ucs), 0); \
33 insist(u8 != 0); \
34 check_string(u8, CHARS); \
35} while(0)
36
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37#define validutf8(S) utf8_valid((S), strlen(S))
38
39 /* empty string */
40
41 U8("", "");
42
43 /* ASCII characters */
44
45 U8(" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~",
46 "0x20 0x21 0x22 0x23 0x24 0x25 0x26 0x27 0x28 0x29 0x2a 0x2b 0x2c 0x2d "
47 "0x2e 0x2f 0x30 0x31 0x32 0x33 0x34 0x35 0x36 0x37 0x38 0x39 0x3a "
48 "0x3b 0x3c 0x3d 0x3e 0x3f 0x40 0x41 0x42 0x43 0x44 0x45 0x46 0x47 "
49 "0x48 0x49 0x4a 0x4b 0x4c 0x4d 0x4e 0x4f 0x50 0x51 0x52 0x53 0x54 "
50 "0x55 0x56 0x57 0x58 0x59 0x5a 0x5b 0x5c 0x5d 0x5e 0x5f 0x60 0x61 "
51 "0x62 0x63 0x64 0x65 0x66 0x67 0x68 0x69 0x6a 0x6b 0x6c 0x6d 0x6e "
52 "0x6f 0x70 0x71 0x72 0x73 0x74 0x75 0x76 0x77 0x78 0x79 0x7a 0x7b "
53 "0x7c 0x7d 0x7e");
54 U8("\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\177",
55 "0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf 0x10 "
56 "0x11 0x12 0x13 0x14 0x15 0x16 0x17 0x18 0x19 0x1a 0x1b 0x1c 0x1d "
57 "0x1e 0x1f 0x7f");
58
59 /* from RFC3629 */
60
61 /* UTF8-2 = %xC2-DF UTF8-tail */
62 insist(!validutf8("\xC0\x80"));
63 insist(!validutf8("\xC1\x80"));
64 insist(!validutf8("\xC2\x7F"));
65 U8("\xC2\x80", "0x80");
66 U8("\xDF\xBF", "0x7FF");
67 insist(!validutf8("\xDF\xC0"));
68
69 /* UTF8-3 = %xE0 %xA0-BF UTF8-tail / %xE1-EC 2( UTF8-tail ) /
70 * %xED %x80-9F UTF8-tail / %xEE-EF 2( UTF8-tail )
71 */
72 insist(!validutf8("\xE0\x9F\x80"));
73 U8("\xE0\xA0\x80", "0x800");
74 U8("\xE0\xBF\xBF", "0xFFF");
75 insist(!validutf8("\xE0\xC0\xBF"));
76
77 insist(!validutf8("\xE1\x80\x7F"));
78 U8("\xE1\x80\x80", "0x1000");
79 U8("\xEC\xBF\xBF", "0xCFFF");
80 insist(!validutf8("\xEC\xC0\xBF"));
81
82 U8("\xED\x80\x80", "0xD000");
83 U8("\xED\x9F\xBF", "0xD7FF");
84 insist(!validutf8("\xED\xA0\xBF"));
85
86 insist(!validutf8("\xEE\x7f\x80"));
87 U8("\xEE\x80\x80", "0xE000");
88 U8("\xEF\xBF\xBF", "0xFFFF");
89 insist(!validutf8("\xEF\xC0\xBF"));
90
91 /* UTF8-4 = %xF0 %x90-BF 2( UTF8-tail ) / %xF1-F3 3( UTF8-tail ) /
92 * %xF4 %x80-8F 2( UTF8-tail )
93 */
94 insist(!validutf8("\xF0\x8F\x80\x80"));
95 U8("\xF0\x90\x80\x80", "0x10000");
96 U8("\xF0\xBF\xBF\xBF", "0x3FFFF");
97 insist(!validutf8("\xF0\xC0\x80\x80"));
98
99 insist(!validutf8("\xF1\x80\x80\x7F"));
100 U8("\xF1\x80\x80\x80", "0x40000");
101 U8("\xF3\xBF\xBF\xBF", "0xFFFFF");
102 insist(!validutf8("\xF3\xC0\x80\x80"));
103
104 insist(!validutf8("\xF4\x80\x80\x7F"));
105 U8("\xF4\x80\x80\x80", "0x100000");
106 U8("\xF4\x8F\xBF\xBF", "0x10FFFF");
107 insist(!validutf8("\xF4\x90\x80\x80"));
108 insist(!validutf8("\xF4\x80\xFF\x80"));
109
110 /* miscellaneous non-UTF-8 rubbish */
111 insist(!validutf8("\x80"));
112 insist(!validutf8("\xBF"));
113 insist(!validutf8("\xC0"));
114 insist(!validutf8("\xC0\x7F"));
115 insist(!validutf8("\xC0\xC0"));
116 insist(!validutf8("\xE0"));
117 insist(!validutf8("\xE0\x7F"));
118 insist(!validutf8("\xE0\xC0"));
119 insist(!validutf8("\xE0\x80"));
120 insist(!validutf8("\xE0\x80\x7f"));
121 insist(!validutf8("\xE0\x80\xC0"));
122 insist(!validutf8("\xF0"));
123 insist(!validutf8("\xF0\x7F"));
124 insist(!validutf8("\xF0\xC0"));
125 insist(!validutf8("\xF0\x80"));
126 insist(!validutf8("\xF0\x80\x7f"));
127 insist(!validutf8("\xF0\x80\xC0"));
128 insist(!validutf8("\xF0\x80\x80\x7f"));
129 insist(!validutf8("\xF0\x80\x80\xC0"));
130 insist(!validutf8("\xF5\x80\x80\x80"));
131 insist(!validutf8("\xF8"));
132}
133
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134TEST(utf8);
135
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136/*
137Local Variables:
138c-basic-offset:2
139comment-column:40
140fill-column:79
141indent-tabs-mode:nil
142End:
143*/