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/* $Header: /pjproject-0.3/pjlib/src/pjlib-test/pool.c 2 10/14/05 12:26a Bennylp $
*/
/*
* $Log: /pjproject-0.3/pjlib/src/pjlib-test/pool.c $
*
* 2 10/14/05 12:26a Bennylp
* Finished error code framework, some fixes in ioqueue, etc. Pretty
* major.
*
*/
#include <pj/pool.h>
#include <pj/rand.h>
#include <pj/log.h>
#include "test.h"
/**
* \page page_pjlib_pool_test Test: Pool
*
* This file provides implementation of \b pool_test(). It tests the
* functionality of the memory pool.
*
*
* This file is <b>pjlib-test/pool.c</b>
*
* \include pjlib-test/pool.c
*/
#if INCLUDE_POOL_TEST
#define SIZE 4096
/* Normally we should throw exception when memory alloc fails.
* Here we do nothing so that the flow will go back to original caller,
* which will test the result using NULL comparison. Normally caller will
* catch the exception instead of checking for NULLs.
*/
static void null_callback(pj_pool_t *pool, pj_size_t size)
{
PJ_UNUSED_ARG(pool);
PJ_UNUSED_ARG(size);
}
#define GET_FREE(p) (pj_pool_get_capacity(p)-pj_pool_get_used_size(p))
/* Test that the capacity and used size reported by the pool is correct.
*/
static int capacity_test(void)
{
pj_pool_t *pool = pj_pool_create(mem, NULL, SIZE, 0, &null_callback);
pj_size_t freesize;
PJ_LOG(3,("test", "...capacity_test()"));
if (!pool)
return -200;
freesize = GET_FREE(pool);
if (pj_pool_alloc(pool, freesize) == NULL) {
PJ_LOG(3,("test", "...error: wrong freesize %u reported",
freesize));
pj_pool_release(pool);
return -210;
}
pj_pool_release(pool);
return 0;
}
/* Test function to drain the pool's space.
*/
static int drain_test(pj_size_t size, pj_size_t increment)
{
pj_pool_t *pool = pj_pool_create(mem, NULL, size, increment,
&null_callback);
pj_size_t freesize;
void *p;
int status = 0;
PJ_LOG(3,("test", "...drain_test(%d,%d)", size, increment));
if (!pool)
return -10;
/* Get free size */
freesize = GET_FREE(pool);
if (freesize < 1) {
status=-15;
goto on_error;
}
/* Drain the pool until there's nothing left. */
while (freesize > 0) {
int size;
if (freesize > 255)
size = ((pj_rand() & 0x000000FF) + 4) & ~0x03L;
else
size = freesize;
p = pj_pool_alloc(pool, size);
if (!p) {
status=-20; goto on_error;
}
freesize -= size;
}
/* Check that capacity is zero. */
if (GET_FREE(pool) != 0) {
PJ_LOG(3,("test", "....error: returned free=%u (expecting 0)",
GET_FREE(pool)));
status=-30; goto on_error;
}
/* Try to allocate once more */
p = pj_pool_alloc(pool, 257);
if (!p) {
status=-40; goto on_error;
}
/* Check that capacity is NOT zero. */
if (GET_FREE(pool) == 0) {
status=-50; goto on_error;
}
on_error:
pj_pool_release(pool);
return status;
}
int pool_test(void)
{
enum { LOOP = 2 };
int loop;
int rc;
rc = capacity_test();
if (rc) return rc;
for (loop=0; loop<LOOP; ++loop) {
/* Test that the pool should grow automaticly. */
rc = drain_test(SIZE, SIZE);
if (rc != 0) return rc;
/* Test situation where pool is not allowed to grow.
* We expect the test to return correct error.
*/
rc = drain_test(SIZE, 0);
if (rc != -40) return rc;
}
return 0;
}
#else
/* To prevent warning about "translation unit is empty"
* when this test is disabled.
*/
int dummy_pool_test;
#endif /* INCLUDE_POOL_TEST */
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