/** test with long sequence of adds, removes and updates, and lookups */
static void
test_long_table(struct lruhash* table)
{
/* assuming it all fits in the hastable, this check will work */
testdata_t* ref[HASHTESTMAX * 100];
size_t i;
memset(ref, 0, sizeof(ref));
/* test assumption */
if(0) log_info(" size %d x %d < %d", (int)test_slabhash_sizefunc(NULL, NULL),
(int)HASHTESTMAX, (int)table->space_max);
unit_assert( test_slabhash_sizefunc(NULL, NULL)*HASHTESTMAX < table->space_max);
if(0) lruhash_status(table, "unit test", 1);
srandom(48);
for(i=0; i<1000; i++) {
/* what to do? */
if(i == 500) {
lruhash_clear(table);
memset(ref, 0, sizeof(ref));
continue;
}
switch(random() % 4) {
case 0:
case 3:
testadd(table, ref);
break;
case 1:
testremove(table, ref);
break;
case 2:
testlookup(table, ref);
break;
default:
unit_assert(0);
}
if(0) lruhash_status(table, "unit test", 1);
check_table(table);
unit_assert( table->num <= HASHTESTMAX );
}
/* test more, but 'ref' assumption does not hold anymore */
for(i=0; i<1000; i++) {
/* what to do? */
switch(random() % 4) {
case 0:
case 3:
testadd_unlim(table, ref);
break;
case 1:
testremove_unlim(table, ref);
break;
case 2:
testlookup_unlim(table, ref);
break;
default:
unit_assert(0);
}
if(0) lruhash_status(table, "unlim", 1);
check_table(table);
}
}
/** main routine for threaded hash table test */
static void*
test_thr_main(void* arg)
{
struct test_thr* t = (struct test_thr*)arg;
int i;
log_thread_set(&t->num);
for(i=0; i<1000; i++) {
switch(random() % 4) {
case 0:
case 3:
testadd_unlim(t->table, NULL);
break;
case 1:
testremove_unlim(t->table, NULL);
break;
case 2:
testlookup_unlim(t->table, NULL);
break;
default:
unit_assert(0);
}
if(0) lruhash_status(t->table, "hashtest", 1);
if(i % 100 == 0) /* because of locking, not all the time */
check_table(t->table);
}
check_table(t->table);
return NULL;
}
void slabhash_status(struct slabhash* sl, const char* id, int extended)
{
size_t i;
char num[17];
log_info("Slabhash %s: %u tables mask=%x shift=%d",
id, (unsigned)sl->size, (unsigned)sl->mask, sl->shift);
for(i=0; i<sl->size; i++) {
snprintf(num, sizeof(num), "table %u", (unsigned)i);
lruhash_status(sl->array[i], num, extended);
}
}
/** test hash table access by multiple threads */
static void
test_threaded_table(struct lruhash* table)
{
int numth = 10;
struct test_thr t[100];
int i;
for(i=1; i<numth; i++) {
t[i].num = i;
t[i].table = table;
ub_thread_create(&t[i].id, test_thr_main, &t[i]);
}
for(i=1; i<numth; i++) {
ub_thread_join(t[i].id);
}
if(0) lruhash_status(table, "hashtest", 1);
}