lib/wind/test-rw.c

   1 /*
   2  * Copyright (c) 2008 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 #include "windlocl.h"
  35 #include <stdio.h>
  36 #include <err.h>
  37 #include <assert.h>
  38
  39 #define MAX_LENGTH 10
  40
  41
  42 struct testcase {
  43     unsigned int in_flags;
  44     size_t in_len;
  45     const char *in_ptr;
  46     int ret;
  47     size_t ucs2_len;
  48     uint16_t ucs2[MAX_LENGTH];
  49     unsigned int out_flags;
  50 } testcases[] = {
  51     {
  52         WIND_RW_BOM,
  53         4, "\xff\xfe\x20\x00",
  54         0,
  55         1, { 0x0020 },
  56         WIND_RW_LE
  57     },
  58     {
  59         WIND_RW_BOM,
  60         4, "\xfe\xff\x00\x20",
  61         0,
  62         1, { 0x0020 },
  63         WIND_RW_BE
  64     },
  65     /* only BE BOM */
  66     {
  67         WIND_RW_BOM,
  68         2, "\xfe\xff",
  69         0,
  70         0, {  },
  71         WIND_RW_BE
  72     },
  73     /* no input */
  74     {
  75         WIND_RW_BOM,
  76         0, "",
  77         0,
  78         0, { },
  79         WIND_RW_BOM
  80     },
  81     /* BOM only */
  82     {
  83         WIND_RW_BOM,
  84         2, "\xff\xfe",
  85         0,
  86         0, { },
  87         WIND_RW_LE
  88     },
  89     /* water + z */
  90     {
  91         WIND_RW_BOM|WIND_RW_LE,
  92         4, "\x34\x6C\x7A\x00",
  93         0,
  94         2, { 0x6C34, 0x7a },
  95         WIND_RW_LE
  96     },
  97     /* water + z */
  98     {
  99         WIND_RW_LE,
 100         4, "\x34\x6C\x7A\x00",
 101         0,
 102         2, { 0x6C34, 0x7a },
 103         WIND_RW_LE
 104     },
 105     /* BOM + water + z */
 106     {
 107         WIND_RW_BOM,
 108         6, "\xFF\xFE\x34\x6C\x7A\x00",
 109         0,
 110         2, { 0x6C34, 0x7a },
 111         WIND_RW_LE
 112     },
 113     /* BOM + water + z */
 114     {
 115         WIND_RW_BOM,
 116         6, "\xFE\xFF\x6C\x34\x00\x7A",
 117         0,
 118         2, { 0x6C34, 0x7a },
 119         WIND_RW_BE
 120     },
 121     /* error, odd length */
 122     {
 123         WIND_RW_BOM,
 124         1, "\xfe",
 125         WIND_ERR_LENGTH_NOT_MOD2,
 126         0, { },
 127         WIND_RW_BOM
 128     },
 129     /* error, missing BOM */
 130     {
 131         WIND_RW_BOM,
 132         2, "\x00\x20",
 133         WIND_ERR_NO_BOM,
 134         0, { },
 135         WIND_RW_BOM
 136     },
 137     /* error, overrun */
 138     {
 139         WIND_RW_BE,
 140         4, "\x00\x20\x00\x20",
 141         WIND_ERR_OVERRUN,
 142         1, { 0x20 },
 143         WIND_RW_BOM
 144     }
 145
 146 };
 147
 148 int
 149 main(void)
 150 {
 151     unsigned int n, m, flags;
 152     uint16_t data[MAX_LENGTH];
 153     size_t datalen;
 154     int ret;
 155
 156     for (n = 0; n < sizeof(testcases)/sizeof(testcases[0]); n++) {
 157         flags = testcases[n].in_flags;
 158
 159         datalen = testcases[n].ucs2_len;
 160         assert(datalen < sizeof(data));
 161
 162         ret = wind_ucs2read(testcases[n].in_ptr,
 163                             testcases[n].in_len,
 164                             &flags,
 165                             data,
 166                             &datalen);
 167         if (ret != testcases[n].ret)
 168             errx(1, "testcases %u: wind_ucs2read: %d", n, ret);
 169
 170         /* on error, skip all other tests */
 171         if (ret)
 172             continue;
 173
 174         if (flags != testcases[n].out_flags)
 175             errx(1, "testcases %u: flags wrong", n);
 176
 177         if (datalen != testcases[n].ucs2_len)
 178             errx(1, "testcases %u: ucs len wrong", n);
 179
 180         for (m = 0; m < datalen; m++)
 181             if (testcases[n].ucs2[m] != data[m])
 182                 errx(1, "testcases %u: char %u wrong", n, m);
 183     }
 184
 185     return 0;
 186 }