xapian-applications/omega/md5test.cc

   1 /** @file
   2  * @brief test cases for the MD5 code
   3  */
   4 /* Copyright (C) 2006,2023 Olly Betts
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include <config.h>
  22
  23 #include <cstdlib>
  24 #include <iostream>
  25 #include <string>
  26
  27 #include "md5wrap.h"
  28
  29 using namespace std;
  30
  31 struct testcase {
  32     const char * string;
  33     const char * hash;
  34 };
  35
  36 static testcase md5_testcases[] = {
  37     { "", "d41d8cd98f00b204e9800998ecf8427e" },
  38     { "test", "098f6bcd4621d373cade4e832627b4f6" },
  39     { "\x80\x81\x82", "b385760a988b494d3f9df43456928176" },
  40     { NULL, NULL }
  41 };
  42
  43 int main() {
  44     string md5;
  45     for (testcase * t = md5_testcases; t->string; ++t) {
  46         string hexhash;
  47         md5_string(t->string, md5);
  48         for (size_t i = 0; i < md5.size(); ++i) {
  49             unsigned char b = static_cast<unsigned char>(md5[i]);
  50             hexhash += "0123456789abcdef"[b >> 4];
  51             hexhash += "0123456789abcdef"[b & 0x0f];
  52         }
  53         if (hexhash != t->hash) {
  54             cerr << "md5 of \"" << t->string << "\" should be \"" << t->hash << "\" not \"" << hexhash << "\"" << endl;
  55             exit(1);
  56         }
  57     }
  58 }