xref: /freebsd/lib/libc/tests/stdlib/qsort_test.c (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
1 /*-
2  * Copyright (C) 2004 Maxim Sobolev <sobomax@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 /*
28  * Test for qsort() routine.
29  */
30 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include <assert.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 
38 #include "test-sort.h"
39 
40 ATF_TC_WITHOUT_HEAD(qsort_test);
41 ATF_TC_BODY(qsort_test, tc)
42 {
43 	int testvector[IVEC_LEN];
44 	int sresvector[IVEC_LEN];
45 	int i, j;
46 
47 	for (j = 2; j < IVEC_LEN; j++) {
48 		/* Populate test vectors */
49 		for (i = 0; i < j; i++)
50 			testvector[i] = sresvector[i] = initvector[i];
51 
52 		/* Sort using qsort(3) */
53 		qsort(testvector, j, sizeof(testvector[0]), sorthelp);
54 		/* Sort using reference slow sorting routine */
55 		ssort(sresvector, j);
56 
57 		/* Compare results */
58 		for (i = 0; i < j; i++)
59 			ATF_CHECK_MSG(testvector[i] == sresvector[i],
60 			    "item at index %d didn't match: %d != %d",
61 			    i, testvector[i], sresvector[i]);
62 	}
63 }
64 
65 ATF_TP_ADD_TCS(tp)
66 {
67 
68 	ATF_TP_ADD_TC(tp, qsort_test);
69 
70 	return (atf_no_error());
71 }
72