c3-lang/libmd/test/test.h

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• Hash : cf9ac150
  Author :
  Date : 2018-10-06T04:33:02
  

  test: Refactor and extend message digest testing Generate the base test function with a maro, because all of them follow the same pattern. And extend it by covering more of the API.

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• test/test.h

• /*
   * Copyright © 2018 Guillem Jover <guillem@hadrons.org>
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
   * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
   * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <config.h>
  
  #include <assert.h>
  #include <string.h>
  
  static int
  hexchar2bin(int c)
  {
  	if (c >= '0' && c <= '9')
  		return c - '0';
  	else if (c >= 'a' && c <= 'f')
  		return c - 'a' + 10;
  	else if (c >= 'A' && c <= 'F')
  		return c - 'A' + 10;
  	assert(!"invalid hexadecimal input");
  }
  
  static void
  hex2bin(uint8_t *bin, const char *str, size_t bin_len)
  {
  	int i;
  
  	for (i = 0; i < bin_len; i++)
  		bin[i] = hexchar2bin(str[i * 2]) << 4 |
  			 hexchar2bin(str[i * 2 + 1]);
  }
  
  #define DEF_TEST_DIGEST(name, type) \
  void \
  test_##name(const char *hash_str_ref, const char *data) \
  { \
  	uint8_t hash_bin_ref[name##_DIGEST_LENGTH]; \
  	uint8_t hash_bin_got[name##_DIGEST_LENGTH]; \
  	char hash_str_got[name##_DIGEST_STRING_LENGTH]; \
  	type##_CTX ctx; \
  \
  	hex2bin(hash_bin_ref, hash_str_ref, name##_DIGEST_LENGTH); \
  \
  	name##Data(data, strlen(data), hash_str_got); \
  	assert(strcmp(hash_str_ref, hash_str_got) == 0); \
  \
  	name##Init(&ctx); \
  	name##Update(&ctx, data, strlen(data)); \
  	name##End(&ctx, hash_str_got); \
  	assert(strcmp(hash_str_ref, hash_str_got) == 0); \
  \
  	name##Init(&ctx); \
  	name##Update(&ctx, data, strlen(data)); \
  	name##Final(hash_bin_got, &ctx); \
  	assert(memcmp(hash_bin_ref, hash_bin_got, sizeof(hash_bin_ref)) == 0); \
  }
  

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