c3-lang/libbsd/test/endian.c

• Show log

  Commit

• Hash : 34bf1068
  Author :
  Date : 2012-03-23T10:43:33
  

  test: Add a unit test for endian encoder/decoder

Download

• test/endian.c

• /*
   * Copyright © 2012 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 <sys/endian.h>
  
  #include <assert.h>
  #include <string.h>
  
  int
  main()
  {
  	unsigned char decstream[] = {
  		0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
  	};
  	unsigned char encstream[sizeof(decstream)];
  
  	assert(be16dec(decstream) == 0x0011);
  	assert(le16dec(decstream) == 0x1100);
  
  	assert(be32dec(decstream) == 0x00112233);
  	assert(le32dec(decstream) == 0x33221100);
  
  	assert(be64dec(decstream) == 0x0011223344556677);
  	assert(le64dec(decstream) == 0x7766554433221100);
  
  	memset(encstream, 0, sizeof(encstream));
  	be16enc(encstream, 0x1100);
  	assert(memcmp(encstream, decstream, sizeof(uint16_t)));
  	le16enc(encstream, 0x0011);
  	assert(memcmp(encstream, decstream, sizeof(uint16_t)));
  
  	memset(encstream, 0, sizeof(encstream));
  	be32enc(encstream, 0x33221100);
  	assert(memcmp(encstream, decstream, sizeof(uint32_t)));
  	le32enc(encstream, 0x00112233);
  	assert(memcmp(encstream, decstream, sizeof(uint32_t)));
  
  	memset(encstream, 0, sizeof(encstream));
  	be64enc(encstream, 0x7766554433221100);
  	assert(memcmp(encstream, decstream, sizeof(uint64_t)));
  	le64enc(encstream, 0x0011223344556677);
  	assert(memcmp(encstream, decstream, sizeof(uint64_t)));
  
  	return 0;
  }
  

Download