1 /* $NetBSD: t_tree.c,v 1.1 2011/05/05 13:36:05 jruoho Exp $ */
4 * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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12 * 2. Redistributions in binary form must reproduce the above copyright
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16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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29 #include <sys/cdefs.h>
37 RB_ENTRY(mist) rbentry;
40 RB_HEAD(head, mist) tt;
43 mistcmp(struct mist *a, struct mist *b)
46 return (b->key - a->key); /* wrong, can overflow */
50 else if (b->key < a->key)
57 RB_PROTOTYPE(head, mist, rbentry, mistcmp)
58 RB_GENERATE(head, mist, rbentry, mistcmp)
65 m = malloc(sizeof(struct mist));
67 RB_INSERT(head, &tt, m);
72 findmist(struct mist *m)
75 return (!!RB_FIND(head, &tt, m));
87 for (i = 0; i < N; i++) {
88 m[i] = addmist(random() << 1); /* use all 32 bits */
89 for (j = 0; j <= i; j++)
96 ATF_TC(tree_rbstress);
97 ATF_TC_HEAD(tree_rbstress, tc)
100 atf_tc_set_md_var(tc, "descr", "rb-tree stress test");
103 ATF_TC_BODY(tree_rbstress, tc)
109 for (i = 0; i < 10; i++) {
112 atf_tc_fail_nonfatal("loop %d: %d errors\n", i, f);
121 ATF_TP_ADD_TC(tp, tree_rbstress);
123 return atf_no_error();