1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
/*
* Copyright 2017-2020 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <string.h>
#include <openssl/opensslconf.h>
#include <openssl/lhash.h>
#include <openssl/err.h>
#include <openssl/crypto.h>
#include "internal/nelem.h"
#include "testutil.h"
/*
* The macros below generate unused functions which error out one of the clang
* builds. We disable this check here.
*/
#ifdef __clang__
#pragma clang diagnostic ignored "-Wunused-function"
#endif
DEFINE_LHASH_OF(int);
static int int_tests[] = { 65537, 13, 1, 3, -5, 6, 7, 4, -10, -12, -14, 22, 9,
-17, 16, 17, -23, 35, 37, 173, 11 };
static const unsigned int n_int_tests = OSSL_NELEM(int_tests);
static short int_found[OSSL_NELEM(int_tests)];
static short int_not_found;
static unsigned long int int_hash(const int *p)
{
return 3 & *p; /* To force collisions */
}
static int int_cmp(const int *p, const int *q)
{
return *p != *q;
}
static int int_find(int n)
{
unsigned int i;
for (i = 0; i < n_int_tests; i++)
if (int_tests[i] == n)
return i;
return -1;
}
static void int_doall(int *v)
{
const int n = int_find(*v);
if (n < 0)
int_not_found++;
else
int_found[n]++;
}
static void int_doall_arg(int *p, short *f)
{
const int n = int_find(*p);
if (n < 0)
int_not_found++;
else
f[n]++;
}
IMPLEMENT_LHASH_DOALL_ARG(int, short);
static int test_int_lhash(void)
{
static struct {
int data;
int null;
} dels[] = {
{ 65537, 0 },
{ 173, 0 },
{ 999, 1 },
{ 37, 0 },
{ 1, 0 },
{ 34, 1 }
};
const unsigned int n_dels = OSSL_NELEM(dels);
LHASH_OF(int) *h = lh_int_new(&int_hash, &int_cmp);
unsigned int i;
int testresult = 0, j, *p;
if (!TEST_ptr(h))
goto end;
/* insert */
for (i = 0; i < n_int_tests; i++)
if (!TEST_ptr_null(lh_int_insert(h, int_tests + i))) {
TEST_info("int insert %d", i);
goto end;
}
/* num_items */
if (!TEST_int_eq(lh_int_num_items(h), n_int_tests))
goto end;
/* retrieve */
for (i = 0; i < n_int_tests; i++)
if (!TEST_int_eq(*lh_int_retrieve(h, int_tests + i), int_tests[i])) {
TEST_info("lhash int retrieve value %d", i);
goto end;
}
for (i = 0; i < n_int_tests; i++)
if (!TEST_ptr_eq(lh_int_retrieve(h, int_tests + i), int_tests + i)) {
TEST_info("lhash int retrieve address %d", i);
goto end;
}
j = 1;
if (!TEST_ptr_eq(lh_int_retrieve(h, &j), int_tests + 2))
goto end;
/* replace */
j = 13;
if (!TEST_ptr(p = lh_int_insert(h, &j)))
goto end;
if (!TEST_ptr_eq(p, int_tests + 1))
goto end;
if (!TEST_ptr_eq(lh_int_retrieve(h, int_tests + 1), &j))
goto end;
/* do_all */
memset(int_found, 0, sizeof(int_found));
int_not_found = 0;
lh_int_doall(h, &int_doall);
if (!TEST_int_eq(int_not_found, 0)) {
TEST_info("lhash int doall encountered a not found condition");
goto end;
}
for (i = 0; i < n_int_tests; i++)
if (!TEST_int_eq(int_found[i], 1)) {
TEST_info("lhash int doall %d", i);
goto end;
}
/* do_all_arg */
memset(int_found, 0, sizeof(int_found));
int_not_found = 0;
lh_int_doall_short(h, int_doall_arg, int_found);
if (!TEST_int_eq(int_not_found, 0)) {
TEST_info("lhash int doall arg encountered a not found condition");
goto end;
}
for (i = 0; i < n_int_tests; i++)
if (!TEST_int_eq(int_found[i], 1)) {
TEST_info("lhash int doall arg %d", i);
goto end;
}
/* delete */
for (i = 0; i < n_dels; i++) {
const int b = lh_int_delete(h, &dels[i].data) == NULL;
if (!TEST_int_eq(b ^ dels[i].null, 0)) {
TEST_info("lhash int delete %d", i);
goto end;
}
}
/* error */
if (!TEST_int_eq(lh_int_error(h), 0))
goto end;
testresult = 1;
end:
lh_int_free(h);
return testresult;
}
static unsigned long int stress_hash(const int *p)
{
return *p;
}
static int test_stress(void)
{
LHASH_OF(int) *h = lh_int_new(&stress_hash, &int_cmp);
const unsigned int n = 2500000;
unsigned int i;
int testresult = 0, *p;
if (!TEST_ptr(h))
goto end;
/* insert */
for (i = 0; i < n; i++) {
p = OPENSSL_malloc(sizeof(i));
if (!TEST_ptr(p)) {
TEST_info("lhash stress out of memory %d", i);
goto end;
}
*p = 3 * i + 1;
lh_int_insert(h, p);
}
/* num_items */
if (!TEST_int_eq(lh_int_num_items(h), n))
goto end;
TEST_info("hash full statistics:");
OPENSSL_LH_stats_bio((OPENSSL_LHASH *)h, bio_err);
TEST_note("hash full node usage:");
OPENSSL_LH_node_usage_stats_bio((OPENSSL_LHASH *)h, bio_err);
/* delete in a different order */
for (i = 0; i < n; i++) {
const int j = (7 * i + 4) % n * 3 + 1;
if (!TEST_ptr(p = lh_int_delete(h, &j))) {
TEST_info("lhash stress delete %d\n", i);
goto end;
}
if (!TEST_int_eq(*p, j)) {
TEST_info("lhash stress bad value %d", i);
goto end;
}
OPENSSL_free(p);
}
TEST_info("hash empty statistics:");
OPENSSL_LH_stats_bio((OPENSSL_LHASH *)h, bio_err);
TEST_note("hash empty node usage:");
OPENSSL_LH_node_usage_stats_bio((OPENSSL_LHASH *)h, bio_err);
testresult = 1;
end:
lh_int_free(h);
return testresult;
}
int setup_tests(void)
{
ADD_TEST(test_int_lhash);
ADD_TEST(test_stress);
return 1;
}
|