1/*
2 * Copyright (c) 2004 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifdef HAVE_CONFIG_H
35#include <config.h>
36#endif
37#include <stdio.h>
38#include <string.h>
39#include <err.h>
40#include "windlocl.h"
41
42static const char *failing_testcases[] = {
43    "\x80",
44    "\xFF",
45    "\xC0",
46    "\xDF",
47    "\xE0",
48    "\xEF",
49    "\xF0",
50    "\xF7",
51    "\xC0\x01",
52    "\xC0\x7F",
53    "\xC0\xFF",
54    "\xC0\x80\x80",
55    "\xE0\x01",
56    "\xE0\x7F",
57    "\xE0\x80",
58    "\xE0\xFF",
59    "\xE0\x80\x20",
60    "\xE0\x80\xFF",
61    "\xE0\x80\x80\x80",
62    "\xF0\x01",
63    "\xF0\x80",
64    "\xF0\x80\x01",
65    "\xF0\x80\x80",
66    "\xF0\x80\x80\x01",
67    "\xF0\x80\x80\xFF",
68    NULL
69};
70
71#define MAX_LENGTH 10
72
73struct testcase {
74    const char *utf8_str;
75    size_t len;
76    uint32_t u[MAX_LENGTH];
77    int invalid_ucs2;
78};
79
80static const struct testcase testcases[] = {
81    {"", 0, {0}},
82    {"\x01", 1, {1}},
83    {"\x7F", 1, {0x7F}},
84    {"\x01\x7F", 2, {0x01, 0x7F}},
85    {"\xC0\x80", 1, {0}},
86    {"\xC0\x81", 1, {1}},
87    {"\xC1\x80", 1, {0x40}},
88    {"\xDF\xBF", 1, {0x7FF}},
89    {"\xE0\x80\x80", 1, {0}},
90    {"\xE0\x80\x81", 1, {1}},
91    {"\xE0\x81\x80", 1, {0x40}},
92    {"\xE1\x80\x80", 1, {0x1000}},
93    {"\xEF\xBF\xBF", 1, {0xFFFF}},
94    {"\xF0\x80\x80\x80", 1, {0}},
95    {"\xF0\x80\x80\x81", 1, {1}},
96    {"\xF0\x80\x81\x80", 1, {0x40}},
97    {"\xF0\x81\x80\x80", 1, {0x1000}},
98    {"\xF1\x80\x80\x80", 1, {0x40000}},
99    {"\xF7\xBF\xBF\xBF", 1, {0X1FFFFF}, 1},
100};
101
102int
103main(void)
104{
105    unsigned failures = 0;
106    unsigned i;
107    const char **s;
108    int ret;
109    size_t len, len2;
110    uint32_t u[MAX_LENGTH];
111    char str[MAX_LENGTH * 4];
112
113    for (s = failing_testcases; *s != NULL; ++s) {
114	len = MAX_LENGTH;
115	ret = wind_utf8ucs4(*s, u, &len);
116	if (ret == 0) {
117	    printf("utf8 decode of \"%s\" should have failed\n", *s);
118	    ++failures;
119	}
120    }
121
122    for (i = 0; i < sizeof(testcases)/sizeof(testcases[0]); ++i) {
123	const struct testcase *t = &testcases[i];
124
125	ret = wind_utf8ucs4_length(t->utf8_str, &len);
126	if (ret) {
127	    printf("utf8ucs4 length of \"%s\" should have succeeded\n",
128		   t->utf8_str);
129	    ++failures;
130	    continue;
131	}
132	if (len != t->len) {
133	    printf("utf8ucs4_length of \"%s\" has wrong length: "
134		   "expected: %u, actual: %u\n",
135		   t->utf8_str, (unsigned int)t->len, (unsigned int)len);
136	    ++failures;
137	    continue;
138	}
139
140	len = MAX_LENGTH;
141	ret = wind_utf8ucs4(t->utf8_str, u, &len);
142	if (ret) {
143	    printf("utf8 decode of \"%s\" should have succeeded\n",
144		   t->utf8_str);
145	    ++failures;
146	    continue;
147	}
148	if (len != t->len) {
149	    printf("utf8 decode of \"%s\" has wrong length: "
150		   "expected: %u, actual: %u\n",
151		   t->utf8_str, (unsigned int)t->len, (unsigned int)len);
152	    ++failures;
153	    continue;
154	}
155	if (memcmp(t->u, u, len * sizeof(uint32_t)) != 0) {
156	    printf("utf8 decode of \"%s\" has wrong data\n",
157		   t->utf8_str);
158	    ++failures;
159	    continue;
160	}
161	if (t->invalid_ucs2 == 0) {
162	    len2 = sizeof(str);
163	    ret = wind_ucs4utf8(u, len, str, &len2);
164	    if (ret) {
165		printf("ucs4 decode of \"%s\" should have succeeded\n",
166		       t->utf8_str);
167		++failures;
168		continue;
169	    }
170	}
171    }
172
173    return failures != 0;
174}
175