libfastcommon/src/tests/test_skiplist.c

140 lines
3.1 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <assert.h>
#include <inttypes.h>
#include <sys/time.h>
#include "skiplist.h"
#include "logger.h"
#include "shared_func.h"
#define COUNT 1000000
#define LAST_INDEX (COUNT - 1)
static int *numbers;
static Skiplist sl;
static SkiplistIterator iterator;
static int compare_func(const void *p1, const void *p2)
{
return *((int *)p1) - *((int *)p2);
}
static int test_insert()
{
int i;
int result;
void *value;
int64_t start_time;
int64_t end_time;
start_time = get_current_time_ms();
for (i=0; i<COUNT; i++) {
if ((result=skiplist_insert(&sl, numbers + i)) != 0) {
return result;
}
}
end_time = get_current_time_ms();
printf("insert time used: %"PRId64" ms\n", end_time - start_time);
start_time = get_current_time_ms();
for (i=1; i<=COUNT; i++) {
value = skiplist_find(&sl, &i);
assert(value != NULL && *((int *)value) == i);
}
end_time = get_current_time_ms();
printf("find time used: %"PRId64" ms\n", end_time - start_time);
start_time = get_current_time_ms();
i = 0;
skiplist_iterator(&sl, &iterator);
while ((value=skiplist_next(&iterator)) != NULL) {
i++;
assert(i == *((int *)value));
}
assert(i==COUNT);
end_time = get_current_time_ms();
printf("iterator time used: %"PRId64" ms\n", end_time - start_time);
return 0;
}
static void test_delete()
{
int i;
int64_t start_time;
int64_t end_time;
start_time = get_current_time_ms();
for (i=1; i<=COUNT; i++) {
assert(skiplist_delete(&sl, &i) == 0);
}
end_time = get_current_time_ms();
printf("delete time used: %"PRId64" ms\n", end_time - start_time);
}
int main(int argc, char *argv[])
{
int i;
int tmp;
int index1;
int index2;
int result;
int64_t start_time;
int64_t end_time;
void *value;
log_init();
numbers = (int *)malloc(sizeof(int) * COUNT);
srand(time(NULL));
for (i=0; i<COUNT; i++) {
numbers[i] = i + 1;
}
for (i=0; i<COUNT; i++) {
index1 = LAST_INDEX * (int64_t)rand() / (int64_t)RAND_MAX;
index2 = LAST_INDEX * (int64_t)rand() / (int64_t)RAND_MAX;
if (index1 == index2) {
continue;
}
tmp = numbers[index1];
numbers[index1] = numbers[index2];
numbers[index2] = tmp;
}
result = skiplist_init_ex(&sl, 12, compare_func, 128);
if (result != 0) {
return result;
}
test_insert();
test_delete();
start_time = get_current_time_ms();
for (i=1; i<=COUNT; i++) {
value = skiplist_find(&sl, &i);
assert(value == NULL);
}
end_time = get_current_time_ms();
printf("find after delete time used: %"PRId64" ms\n", end_time - start_time);
i = 0;
skiplist_iterator(&sl, &iterator);
while ((value=skiplist_next(&iterator)) != NULL) {
i++;
}
assert(i==0);
test_insert();
test_delete();
skiplist_destroy(&sl);
printf("pass OK\n");
return 0;
}