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c5604b48 | 1 | /* stest.c -- Test for libbacktrace internal sort function |
99dee823 | 2 | Copyright (C) 2012-2021 Free Software Foundation, Inc. |
c5604b48 ILT |
3 | Written by Ian Lance Taylor, Google. |
4 | ||
5 | Redistribution and use in source and binary forms, with or without | |
6 | modification, are permitted provided that the following conditions are | |
7 | met: | |
8 | ||
9 | (1) Redistributions of source code must retain the above copyright | |
84ebf639 | 10 | notice, this list of conditions and the following disclaimer. |
c5604b48 ILT |
11 | |
12 | (2) Redistributions in binary form must reproduce the above copyright | |
13 | notice, this list of conditions and the following disclaimer in | |
14 | the documentation and/or other materials provided with the | |
84ebf639 CL |
15 | distribution. |
16 | ||
c5604b48 ILT |
17 | (3) The name of the author may not be used to |
18 | endorse or promote products derived from this software without | |
19 | specific prior written permission. | |
20 | ||
21 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
22 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
23 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
24 | DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
25 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
26 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
27 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
29 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
30 | IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
31 | POSSIBILITY OF SUCH DAMAGE. */ | |
32 | ||
33 | #include "config.h" | |
34 | ||
35 | #include <stdio.h> | |
36 | #include <stdlib.h> | |
37 | #include <string.h> | |
38 | #include <sys/types.h> | |
39 | ||
40 | #include "backtrace.h" | |
41 | #include "internal.h" | |
42 | ||
43 | /* Test the local qsort implementation. */ | |
44 | ||
45 | #define MAX 10 | |
46 | ||
47 | struct test | |
48 | { | |
49 | size_t count; | |
50 | int input[MAX]; | |
51 | int output[MAX]; | |
52 | }; | |
53 | ||
54 | static struct test tests[] = | |
55 | { | |
56 | { | |
57 | 10, | |
58 | { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, | |
59 | { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } | |
60 | }, | |
61 | { | |
62 | 9, | |
63 | { 1, 2, 3, 4, 5, 6, 7, 8, 9 }, | |
64 | { 1, 2, 3, 4, 5, 6, 7, 8, 9 } | |
65 | }, | |
66 | { | |
67 | 10, | |
68 | { 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 }, | |
69 | { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, | |
70 | }, | |
71 | { | |
72 | 9, | |
73 | { 9, 8, 7, 6, 5, 4, 3, 2, 1 }, | |
74 | { 1, 2, 3, 4, 5, 6, 7, 8, 9 }, | |
75 | }, | |
76 | { | |
77 | 10, | |
78 | { 2, 4, 6, 8, 10, 1, 3, 5, 7, 9 }, | |
79 | { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, | |
80 | }, | |
81 | { | |
82 | 5, | |
83 | { 4, 5, 3, 1, 2 }, | |
84 | { 1, 2, 3, 4, 5 }, | |
85 | }, | |
86 | { | |
87 | 5, | |
88 | { 1, 1, 1, 1, 1 }, | |
89 | { 1, 1, 1, 1, 1 }, | |
90 | }, | |
91 | { | |
92 | 5, | |
93 | { 1, 1, 2, 1, 1 }, | |
94 | { 1, 1, 1, 1, 2 }, | |
95 | }, | |
96 | { | |
97 | 5, | |
98 | { 2, 1, 1, 1, 1 }, | |
99 | { 1, 1, 1, 1, 2 }, | |
100 | }, | |
101 | }; | |
102 | ||
103 | static int | |
104 | compare (const void *a, const void *b) | |
105 | { | |
106 | const int *ai = (const int *) a; | |
107 | const int *bi = (const int *) b; | |
108 | ||
109 | return *ai - *bi; | |
110 | } | |
111 | ||
112 | int | |
113 | main (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) | |
114 | { | |
115 | int failures; | |
116 | size_t i; | |
117 | int a[MAX]; | |
118 | ||
119 | failures = 0; | |
120 | for (i = 0; i < sizeof tests / sizeof tests[0]; i++) | |
121 | { | |
122 | memcpy (a, tests[i].input, tests[i].count * sizeof (int)); | |
123 | backtrace_qsort (a, tests[i].count, sizeof (int), compare); | |
124 | if (memcmp (a, tests[i].output, tests[i].count * sizeof (int)) != 0) | |
125 | { | |
126 | size_t j; | |
127 | ||
128 | fprintf (stderr, "test %d failed:", (int) i); | |
129 | for (j = 0; j < tests[i].count; j++) | |
130 | fprintf (stderr, " %d", a[j]); | |
131 | fprintf (stderr, "\n"); | |
132 | ++failures; | |
133 | } | |
134 | } | |
135 | ||
136 | exit (failures > 0 ? EXIT_FAILURE : EXIT_SUCCESS); | |
137 | } |