#include "../minheap-internal.h"
#include <stdlib.h>
#include "event2/event_struct.h"
#include "tinytest.h"
#include "tinytest_macros.h"
#include "regress.h"
static void
set_random_timeout(struct event *ev)
{
ev->ev_timeout.tv_sec = test_weakrand();
ev->ev_timeout.tv_usec = test_weakrand() & 0xfffff;
ev->ev_timeout_pos.min_heap_idx = -1;
}
static void
check_heap(struct min_heap *heap)
{
unsigned i;
for (i = 1; i < heap->n; ++i) {
unsigned parent_idx = (i-1)/2;
tt_want(evutil_timercmp(&heap->p[i]->ev_timeout,
&heap->p[parent_idx]->ev_timeout, >=));
}
}
static void
test_heap_randomized(void *ptr)
{
struct min_heap heap;
struct event *inserted[1024];
struct event *e, *last_e;
int i;
min_heap_ctor_(&heap);
for (i = 0; i < 1024; ++i) {
inserted[i] = malloc(sizeof(struct event));
assert(inserted[i] != NULL);
set_random_timeout(inserted[i]);
min_heap_push_(&heap, inserted[i]);
}
check_heap(&heap);
tt_assert(min_heap_size_(&heap) == 1024);
for (i = 0; i < 512; ++i) {
min_heap_erase_(&heap, inserted[i]);
if (0 == (i % 32))
check_heap(&heap);
}
tt_assert(min_heap_size_(&heap) == 512);
last_e = min_heap_pop_(&heap);
while (1) {
e = min_heap_pop_(&heap);
if (!e)
break;
tt_want(evutil_timercmp(&last_e->ev_timeout,
&e->ev_timeout, <=));
}
tt_assert(min_heap_size_(&heap) == 0);
end:
for (i = 0; i < 1024; ++i)
free(inserted[i]);
min_heap_dtor_(&heap);
}
struct testcase_t minheap_testcases[] = {
{ "randomized", test_heap_randomized, 0, NULL, NULL },
END_OF_TESTCASES
};