1 /*	$NetBSD: test-rw.c,v 1.1.1.1 2011/04/13 18:16:00 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 2008 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include "windlocl.h"
37 #include <stdio.h>
38 #include <err.h>
39 #include <assert.h>
40 
41 #define MAX_LENGTH 10
42 
43 
44 struct testcase {
45     unsigned int in_flags;
46     size_t in_len;
47     const char *in_ptr;
48     int ret;
49     size_t ucs2_len;
50     uint16_t ucs2[MAX_LENGTH];
51     unsigned int out_flags;
52 } testcases[] = {
53     {
54 	WIND_RW_BOM,
55 	4, "\xff\xfe\x20\x00",
56 	0,
57 	1, { 0x0020 },
58 	WIND_RW_LE
59     },
60     {
61 	WIND_RW_BOM,
62 	4, "\xfe\xff\x00\x20",
63 	0,
64 	1, { 0x0020 },
65 	WIND_RW_BE
66     },
67     /* only BE BOM */
68     {
69 	WIND_RW_BOM,
70 	2, "\xfe\xff",
71 	0,
72 	0, { 0 },
73 	WIND_RW_BE
74     },
75     /* no input */
76     {
77 	WIND_RW_BOM,
78 	0, "",
79 	0,
80 	0, { 0 },
81 	WIND_RW_BOM
82     },
83     /* BOM only */
84     {
85 	WIND_RW_BOM,
86 	2, "\xff\xfe",
87 	0,
88 	0, { 0 },
89 	WIND_RW_LE
90     },
91     /* water + z */
92     {
93 	WIND_RW_BOM|WIND_RW_LE,
94 	4, "\x34\x6C\x7A\x00",
95 	0,
96 	2, { 0x6C34, 0x7a },
97 	WIND_RW_LE
98     },
99     /* water + z */
100     {
101 	WIND_RW_LE,
102 	4, "\x34\x6C\x7A\x00",
103 	0,
104 	2, { 0x6C34, 0x7a },
105 	WIND_RW_LE
106     },
107     /* BOM + water + z */
108     {
109 	WIND_RW_BOM,
110 	6, "\xFF\xFE\x34\x6C\x7A\x00",
111 	0,
112 	2, { 0x6C34, 0x7a },
113 	WIND_RW_LE
114     },
115     /* BOM + water + z */
116     {
117 	WIND_RW_BOM,
118 	6, "\xFE\xFF\x6C\x34\x00\x7A",
119 	0,
120 	2, { 0x6C34, 0x7a },
121 	WIND_RW_BE
122     },
123     /* error, odd length */
124     {
125 	WIND_RW_BOM,
126 	1, "\xfe",
127 	WIND_ERR_LENGTH_NOT_MOD2,
128 	0, { 0 },
129 	WIND_RW_BOM
130     },
131     /* error, missing BOM */
132     {
133 	WIND_RW_BOM,
134 	2, "\x00\x20",
135 	WIND_ERR_NO_BOM,
136 	0, { 0 },
137 	WIND_RW_BOM
138     },
139     /* error, overrun */
140     {
141 	WIND_RW_BE,
142 	4, "\x00\x20\x00\x20",
143 	WIND_ERR_OVERRUN,
144 	1, { 0x20 },
145 	WIND_RW_BOM
146     }
147 
148 };
149 
150 int
main(void)151 main(void)
152 {
153     unsigned int n, m, flags;
154     uint16_t data[MAX_LENGTH];
155     size_t datalen;
156     int ret;
157 
158     for (n = 0; n < sizeof(testcases)/sizeof(testcases[0]); n++) {
159 	flags = testcases[n].in_flags;
160 
161 	datalen = testcases[n].ucs2_len;
162 	assert(datalen < sizeof(data));
163 
164 	ret = wind_ucs2read(testcases[n].in_ptr,
165 			    testcases[n].in_len,
166 			    &flags,
167 			    data,
168 			    &datalen);
169 	if (ret != testcases[n].ret)
170 	    errx(1, "testcases %u: wind_ucs2read: %d", n, ret);
171 
172 	/* on error, skip all other tests */
173 	if (ret)
174 	    continue;
175 
176 	if (flags != testcases[n].out_flags)
177 	    errx(1, "testcases %u: flags wrong", n);
178 
179 	if (datalen != testcases[n].ucs2_len)
180 	    errx(1, "testcases %u: ucs len wrong", n);
181 
182 	for (m = 0; m < datalen; m++)
183 	    if (testcases[n].ucs2[m] != data[m])
184 		errx(1, "testcases %u: char %u wrong", n, m);
185     }
186 
187     return 0;
188 }
189