lib/roken/parse_bytes-test.c

   1 /*
   2  * Copyright (c) 1999 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 RCSID("$Id$");
  37 #endif
  38
  39 #include "roken.h"
  40 #include "parse_bytes.h"
  41
  42 static struct testcase {
  43     int canonicalp;
  44     int val;
  45     const char *def_unit;
  46     const char *str;
  47 } tests[] = {
  48     {0, 0, NULL, "0 bytes"},
  49     {1, 0, NULL, "0"},
  50     {0, 1, NULL, "1"},
  51     {1, 1, NULL, "1 byte"},
  52     {0, 0, "kilobyte", "0"},
  53     {0, 1024, "kilobyte", "1"},
  54     {1, 1024, "kilobyte", "1 kilobyte"},
  55     {1, 1024 * 1024, NULL, "1 megabyte"},
  56     {0, 1025, NULL, "1 kilobyte 1"},
  57     {1, 1025, NULL, "1 kilobyte 1 byte"},
  58 };
  59
  60 int
  61 main(int argc, char **argv)
  62 {
  63     int i;
  64     int ret = 0;
  65
  66     for (i = 0; i < sizeof(tests)/sizeof(tests[0]); ++i) {
  67         char buf[256];
  68         int val = parse_bytes (tests[i].str, tests[i].def_unit);
  69         int len;
  70
  71         if (val != tests[i].val) {
  72             printf ("parse_bytes (%s, %s) = %d != %d\n",
  73                     tests[i].str,
  74                     tests[i].def_unit ? tests[i].def_unit : "none",
  75                     val, tests[i].val);
  76             ++ret;
  77         }
  78         if (tests[i].canonicalp) {
  79             len = unparse_bytes (tests[i].val, buf, sizeof(buf));
  80             if (strcmp (tests[i].str, buf) != 0) {
  81                 printf ("unparse_bytes (%d) = \"%s\" != \"%s\"\n",
  82                         tests[i].val, buf, tests[i].str);
  83                 ++ret;
  84             }
  85         }
  86     }
  87     if (ret) {
  88         printf ("%d errors\n", ret);
  89         return 1;
  90     } else
  91         return 0;
  92 }