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#include "redis.h"
#include "dict.h"
void _redisAssert(char *x, char *y, int l) {
printf("ASSERT: %s %s %d\n",x,y,l);
exit(1);
}
unsigned int dictKeyHash(const void *keyp) {
unsigned long key = (unsigned long)keyp;
key = dictGenHashFunction(&key,sizeof(key));
key += ~(key << 15);
key ^= (key >> 10);
key += (key << 3);
key ^= (key >> 6);
key += ~(key << 11);
key ^= (key >> 16);
return key;
}
int dictKeyCompare(void *privdata, const void *key1, const void *key2) {
unsigned long k1 = (unsigned long)key1;
unsigned long k2 = (unsigned long)key2;
return k1 == k2;
}
dictType dictTypeTest = {
dictKeyHash, /* hash function */
NULL, /* key dup */
NULL, /* val dup */
dictKeyCompare, /* key compare */
NULL, /* key destructor */
NULL /* val destructor */
};
void showBuckets(dictht ht) {
if (ht.table == NULL) {
printf("NULL\n");
} else {
int j;
for (j = 0; j < ht.size; j++) {
printf("%c", ht.table[j] ? '1' : '0');
}
printf("\n");
}
}
void show(dict *d) {
int j;
if (d->rehashidx != -1) {
printf("rhidx: ");
for (j = 0; j < d->rehashidx; j++)
printf(".");
printf("|\n");
}
printf("ht[0]: ");
showBuckets(d->ht[0]);
printf("ht[1]: ");
showBuckets(d->ht[1]);
printf("\n");
}
int sortPointers(const void *a, const void *b) {
unsigned long la, lb;
la = (long) (*((dictEntry**)a));
lb = (long) (*((dictEntry**)b));
return la-lb;
}
void stressGetKeys(dict *d, int times, int *perfect_run, int *approx_run) {
int j;
dictEntry **des = zmalloc(sizeof(dictEntry*)*dictSize(d));
for (j = 0; j < times; j++) {
int requested = rand() % (dictSize(d)+1);
int returned = dictGetSomeKeys(d, des, requested);
int dup = 0;
qsort(des,returned,sizeof(dictEntry*),sortPointers);
if (returned > 1) {
int i;
for (i = 0; i < returned-1; i++) {
if (des[i] == des[i+1]) dup++;
}
}
if (requested == returned && dup == 0) {
(*perfect_run)++;
} else {
(*approx_run)++;
printf("Requested, returned, duplicated: %d %d %d\n",
requested, returned, dup);
}
}
zfree(des);
}
#define MAX1 120
#define MAX2 1000
int main(void) {
dict *d = dictCreate(&dictTypeTest,NULL);
unsigned long i;
srand(time(NULL));
for (i = 0; i < MAX1; i++) {
dictAdd(d,(void*)i,NULL);
show(d);
}
printf("Size: %d\n", (int)dictSize(d));
for (i = 0; i < MAX1; i++) {
dictDelete(d,(void*)i);
dictResize(d);
show(d);
}
dictRelease(d);
d = dictCreate(&dictTypeTest,NULL);
printf("Stress testing dictGetSomeKeys\n");
int perfect_run = 0, approx_run = 0;
for (i = 0; i < MAX2; i++) {
dictAdd(d,(void*)i,NULL);
stressGetKeys(d,100,&perfect_run,&approx_run);
}
for (i = 0; i < MAX2; i++) {
dictDelete(d,(void*)i);
dictResize(d);
stressGetKeys(d,100,&perfect_run,&approx_run);
}
printf("dictGetSomeKey, %d perfect runs, %d approximated runs\n",
perfect_run, approx_run);
dictRelease(d);
printf("TEST PASSED!\n");
return 0;
}
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