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
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdlib.h>
#include "util.h"
#include "set.h"
#include "prioq.h"
#define SET_SIZE 1024*4
static int unsigned_compare(const void *a, const void *b) {
const unsigned *x = a, *y = b;
if (*x < *y)
return -1;
if (*x > *y)
return 1;
return 0;
}
static void test_unsigned(void) {
unsigned buffer[SET_SIZE], i;
Prioq *q;
srand(0);
q = prioq_new(trivial_compare_func);
assert_se(q);
for (i = 0; i < ELEMENTSOF(buffer); i++) {
unsigned u;
u = (unsigned) rand();
buffer[i] = u;
assert_se(prioq_put(q, UINT_TO_PTR(u), NULL) >= 0);
}
qsort(buffer, ELEMENTSOF(buffer), sizeof(buffer[0]), unsigned_compare);
for (i = 0; i < ELEMENTSOF(buffer); i++) {
unsigned u;
assert_se(prioq_size(q) == ELEMENTSOF(buffer) - i);
u = PTR_TO_UINT(prioq_pop(q));
assert_se(buffer[i] == u);
}
assert_se(prioq_isempty(q));
prioq_free(q);
}
struct test {
unsigned value;
unsigned idx;
};
static int test_compare(const void *a, const void *b) {
const struct test *x = a, *y = b;
if (x->value < y->value)
return -1;
if (x->value > y->value)
return 1;
return 0;
}
static unsigned test_hash(const void *a) {
const struct test *x = a;
return x->value;
}
static void test_struct(void) {
Prioq *q;
Set *s;
unsigned previous = 0, i;
int r;
srand(0);
q = prioq_new(test_compare);
assert_se(q);
s = set_new(test_hash, test_compare);
assert_se(s);
for (i = 0; i < SET_SIZE; i++) {
struct test *t;
t = new0(struct test, 1);
assert_se(t);
t->value = (unsigned) rand();
r = prioq_put(q, t, &t->idx);
assert_se(r >= 0);
if (i % 4 == 0) {
r = set_put(s, t);
assert_se(r >= 0);
}
}
for (;;) {
struct test *t;
t = set_steal_first(s);
if (!t)
break;
r = prioq_remove(q, t, &t->idx);
assert_se(r > 0);
free(t);
}
for (i = 0; i < SET_SIZE * 3 / 4; i++) {
struct test *t;
assert_se(prioq_size(q) == (SET_SIZE * 3 / 4) - i);
t = prioq_pop(q);
assert_se(t);
assert_se(previous <= t->value);
previous = t->value;
free(t);
}
assert_se(prioq_isempty(q));
prioq_free(q);
assert_se(set_isempty(s));
set_free(s);
}
int main(int argc, char* argv[]) {
test_unsigned();
test_struct();
return 0;
}
|
