Systemd/src/test/test-prioq.c
Zbigniew Jędrzejewski-Szmek 11a1589223 tree-wide: drop license boilerplate
Files which are installed as-is (any .service and other unit files, .conf
files, .policy files, etc), are left as is. My assumption is that SPDX
identifiers are not yet that well known, so it's better to retain the
extended header to avoid any doubt.

I also kept any copyright lines. We can probably remove them, but it'd nice to
obtain explicit acks from all involved authors before doing that.
2018-04-06 18:58:55 +02:00

160 lines
3.3 KiB
C

/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
***/
#include <stdlib.h>
#include "alloc-util.h"
#include "prioq.h"
#include "set.h"
#include "siphash24.h"
#include "util.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 void test_hash(const void *a, struct siphash *state) {
const struct test *x = a;
siphash24_compress(&x->value, sizeof(x->value), state);
}
static const struct hash_ops test_hash_ops = {
.hash = test_hash,
.compare = test_compare
};
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_ops);
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_consume(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;
}