1 /*-
2 * Copyright (C) 2020 Edward Tomasz Napierala <trasz@FreeBSD.org>
3 * Copyright (C) 2004 Maxim Sobolev <sobomax@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 /*
29 * Test for qsort_r(3) routine.
30 */
31
32 #include <stdio.h>
33 #include <stdlib.h>
34
35 #include "test-sort.h"
36
37 #define THUNK 42
38
39 static int
sorthelp_r(const void * a,const void * b,void * thunk)40 sorthelp_r(const void *a, const void *b, void *thunk)
41 {
42 const int *oa, *ob;
43
44 ATF_REQUIRE_EQ(*(int *)thunk, THUNK);
45
46 oa = a;
47 ob = b;
48 /* Don't use "return *oa - *ob" since it's easy to cause overflow! */
49 if (*oa > *ob)
50 return (1);
51 if (*oa < *ob)
52 return (-1);
53 return (0);
54 }
55
56 ATF_TC_WITHOUT_HEAD(qsort_r_test);
ATF_TC_BODY(qsort_r_test,tc)57 ATF_TC_BODY(qsort_r_test, tc)
58 {
59 int testvector[IVEC_LEN];
60 int sresvector[IVEC_LEN];
61 int i, j;
62 int thunk = THUNK;
63
64 for (j = 2; j < IVEC_LEN; j++) {
65 /* Populate test vectors */
66 for (i = 0; i < j; i++)
67 testvector[i] = sresvector[i] = initvector[i];
68
69 /* Sort using qsort_r(3) */
70 qsort_r(testvector, j, sizeof(testvector[0]), sorthelp_r,
71 &thunk);
72 /* Sort using reference slow sorting routine */
73 ssort(sresvector, j);
74
75 /* Compare results */
76 for (i = 0; i < j; i++)
77 ATF_CHECK_MSG(testvector[i] == sresvector[i],
78 "item at index %d didn't match: %d != %d",
79 i, testvector[i], sresvector[i]);
80 }
81 }
82
ATF_TP_ADD_TCS(tp)83 ATF_TP_ADD_TCS(tp)
84 {
85
86 ATF_TP_ADD_TC(tp, qsort_r_test);
87
88 return (atf_no_error());
89 }
90