100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/*
|
|
* Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
#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));
|
|
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
|
|
};
|