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t_memmem.c revision 1.1 
      1 /*	$NetBSD: t_memmem.c,v 1.1 2010/12/26 13:35:54 pgoyette Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2005 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Perry E. Metzger of Metzger, Dowdeswell & Co. LLC.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <atf-c.h>
     33 
     34 #include <stdio.h>
     35 #include <stdlib.h>
     36 #include <string.h>
     37 
     38 char p0[] = "";
     39 int lp0 = 0;
     40 char p1[] = "0123";
     41 int lp1 = 4;
     42 char p2[] = "456";
     43 int lp2 = 3;
     44 char p3[] = "789";
     45 int lp3 = 3;
     46 char p4[] = "abc";
     47 int lp4 = 3;
     48 char p5[] = "0";
     49 int lp5 = 1;
     50 char p6[] = "9";
     51 int lp6 = 1;
     52 char p7[] = "654";
     53 int lp7 = 3;
     54 
     55 char b0[] = "";
     56 int lb0 = 0;
     57 char b1[] = "0";
     58 int lb1 = 1;
     59 char b2[] = "0123456789";
     60 int lb2 = 10;
     61 
     62 #define expect(b)							\
     63 	if (!(b)) {							\
     64 		fprintf(stderr, "failed on line %d\n", __LINE__);	\
     65 		atf_tc_fail("Check stderr for test id/line");		\
     66 	}
     67 
     68 ATF_TC(check_memmem);
     69 
     70 ATF_TC_HEAD(check_memmem, tc)
     71 {
     72 
     73 	atf_tc_set_md_var(tc, "descr", "Test memmem results");
     74 }
     75 
     76 ATF_TC_BODY(check_memmem, tc)
     77 {
     78 
     79 	expect(memmem(b2, lb2, p0, lp0) == b2);
     80 	expect(memmem(b0, lb0, p0, lp0) == b0);
     81 	expect(memmem(b0, lb0, p1, lp1) == NULL);
     82 	expect(memmem(b1, lb1, p1, lp1) == NULL);
     83 
     84 	expect(memmem(b2, lb2, p1, lp1) == b2);
     85 	expect(memmem(b2, lb2, p2, lp2) == (b2 + 4));
     86 	expect(memmem(b2, lb2, p3, lp3) == (b2 + 7));
     87 
     88 	expect(memmem(b2, lb2, p5, lp5) == b2);
     89 	expect(memmem(b2, lb2, p6, lp6) == (b2 + 9));
     90 
     91 	expect(memmem(b2, lb2, p4, lp4) == NULL);
     92 	expect(memmem(b2, lb2, p7, lp7) == NULL);
     93 }
     94 
     95 ATF_TP_ADD_TCS(tp)
     96 {
     97 
     98 	ATF_TP_ADD_TC(tp, check_memmem);
     99 
    100 	return atf_no_error();
    101 }
    102