mdw@git.distorted.org.uk Git - disorder/blob - libtests/t-hex.c

   1 /*
   2  * This file is part of DisOrder.
   3  * Copyright (C) 2005, 2007, 2008, 2010 Richard Kettlewell
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   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  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 #include "test.h"
  19
  20 static void test_hex(void) {
  21   unsigned n;
  22   static const unsigned char h[] = { 0x00, 0xFF, 0x80, 0x7F };
  23   uint8_t *u;
  24   size_t ul;
  25
  26   for(n = 0; n <= UCHAR_MAX; ++n) {
  27     if(!isxdigit(n))
  28       insist(unhexdigitq(n) == -1);
  29   }
  30   insist(unhexdigitq('0') == 0);
  31   insist(unhexdigitq('1') == 1);
  32   insist(unhexdigitq('2') == 2);
  33   insist(unhexdigitq('3') == 3);
  34   insist(unhexdigitq('4') == 4);
  35   insist(unhexdigitq('5') == 5);
  36   insist(unhexdigitq('6') == 6);
  37   insist(unhexdigitq('7') == 7);
  38   insist(unhexdigitq('8') == 8);
  39   insist(unhexdigitq('9') == 9);
  40   insist(unhexdigitq('a') == 10);
  41   insist(unhexdigitq('b') == 11);
  42   insist(unhexdigitq('c') == 12);
  43   insist(unhexdigitq('d') == 13);
  44   insist(unhexdigitq('e') == 14);
  45   insist(unhexdigitq('f') == 15);
  46   insist(unhexdigitq('A') == 10);
  47   insist(unhexdigitq('B') == 11);
  48   insist(unhexdigitq('C') == 12);
  49   insist(unhexdigitq('D') == 13);
  50   insist(unhexdigitq('E') == 14);
  51   insist(unhexdigitq('F') == 15);
  52   check_string(hex(h, sizeof h), "00ff807f");
  53   check_string(hex(0, 0), "");
  54   u = unhex("00ff807f", &ul);
  55   insist(u != 0);
  56   insist(ul == 4);
  57   insist(memcmp(u, h, 4) == 0);
  58   u = unhex("00FF807F", &ul);
  59   insist(u != 0);
  60   insist(ul == 4);
  61   insist(memcmp(u, h, 4) == 0);
  62   u = unhex("", &ul);
  63   insist(u != 0);
  64   insist(ul == 0);
  65   fprintf(stderr, "2 ERROR reports expected {\n");
  66   insist(unhex("F", 0) == 0);
  67   insist(unhex("az", 0) == 0);
  68   fprintf(stderr, "}\n");
  69 }
  70
  71 TEST(hex);
  72
  73 /*
  74 Local Variables:
  75 c-basic-offset:2
  76 comment-column:40
  77 fill-column:79
  78 indent-tabs-mode:nil
  79 End:
  80 */