/*******************************************************************************
* font_cache_create
******************************************************************************/
void font_cache_create(
struct font_cache* fcache,
void *buf,
int buf_size,
int bitmap_bytes_size)
{
int font_cache_entry_size =
sizeof(struct font_cache_entry) + bitmap_bytes_size;
/* make sure font cache entries are a multiple of 16 bits */
if (font_cache_entry_size % 2 != 0)
font_cache_entry_size++;
int cache_size = buf_size /
(font_cache_entry_size + LRU_SLOT_OVERHEAD + sizeof(short));
fcache->_size = 1;
fcache->_capacity = cache_size;
fcache->_prev_result = 0;
fcache->_prev_char_code = 0;
/* set up index */
fcache->_index = buf;
/* set up lru list */
unsigned char* lru_buf = buf;
lru_buf += sizeof(short) * cache_size;
lru_create(&fcache->_lru, lru_buf, cache_size, font_cache_entry_size);
/* initialise cache */
lru_traverse(&fcache->_lru, font_cache_lru_init);
short i;
for (i = 0; i < cache_size; i++)
fcache->_index[i] = i; /* small cheat here */
}
END_TEST
START_TEST(eject_one) {
lru_t *lru;
int ejected = 0;
lru = lru_create();
lru_insert(lru, "one", 3, "one", 3, NULL);
lru_insert(lru, "two", 3, "two", 3, NULL);
lru_insert(lru, "three", 5, "three", 5, NULL);
ejected = lru_eject_by_size(lru, 3, NULL, NULL);
dprintf("ejected %d\n", ejected);
fail_unless(ejected > 0);
}
END_TEST
START_TEST(touch) {
lru_t *lru;
lru_item_t * one;
lru = lru_create();
one = lru_insert(lru, "one", 3, "one", 3, NULL);
lru_insert(lru, "two", 3, "two", 3, NULL);
lru_insert(lru, "three", 5, "three", 5, NULL);
lru_touch(lru, one);
fail_unless(one == (lru_item_t*)lru->list->head->data);
lru_destroy(lru);
}
END_TEST
START_TEST(eject_multiple) {
lru_t *lru;
int ejected = 0;
lru_item_t *three;
mark_point();
lru = lru_create();
mark_point();
lru_insert(lru, "one", 3, "one", 3, NULL);
lru_insert(lru, "two", 3, "two", 3, NULL);
three = lru_insert(lru, "three", 5, "three", 5, NULL);
ejected = lru_eject_by_size(lru, 12, NULL, NULL);
dprintf("test ejected %d\n", ejected);
fail_unless((lru_item_t*)lru->list->head->data == three);
fail_unless(ejected == 12);
lru_destroy(lru);
}
