kc3-lang/libbsd/test/strnstr.c

• Show log

  Commit

• Hash : 25f9b306
  Author :
  Date : 2021-02-07T23:24:51
  

  test: Improve code coverage for strnstr(3) unit tests

Download

• test/strnstr.c

• /*
   * Copyright © 2017 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 <assert.h>
  #include <string.h>
  
  int
  main(int argc, char **argv)
  {
  	const char *large = "foo bar baz";
  	const char *small = "bar";
  
  	assert(strnstr(large, "", strlen(large)) == large);
  
  	assert(strnstr(large, "far", strlen(large)) == NULL);
  	assert(strnstr(large, "quux", strlen(large)) == NULL);
  
  	assert(strnstr(large, small, 4) == NULL);
  
  	assert(strnstr(large, small, strlen(large)) == (large + 4));
  
  	assert(strnstr("quux", large, strlen("quux")) == NULL);
  	assert(strnstr("foo", large, strlen("foo")) == NULL);
  
  	return 0;
  }
  

Download