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/* ``The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved via the world wide web at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Initial Developer of the Original Code is Ericsson Utvecklings AB.
* Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
* AB. All Rights Reserved.''
*
* $Id$
*/
#include "testcase_driver.h"
#include "allocator_test.h"
#include <stdio.h>
#define SBCT (512*1024)
char *
testcase_name(void)
{
return "bucket_mask";
}
void
testcase_cleanup(TestCaseState_t *tcs)
{
if (tcs->extra) {
STOP_ALC(tcs->extra);
tcs->extra = NULL;
}
}
void
testcase_run(TestCaseState_t *tcs)
{
void *tmp;
void **fence;
void **blk;
Ulong sz;
Ulong smbcs;
int i;
int bi;
int bi_tests;
Ulong sbct = (SBCT/1024)*1024;
Ulong min_blk_sz;
Ulong ablk_hdr_sz = ABLK_HDR_SZ;
char smbcs_buf[30];
char sbct_buf[30];
int no_bkts = (int) NO_OF_BKTS;
char *argv1[] = {"-tasgf", "-tmmbcs0", sbct_buf, NULL};
char *argv2[] = {"-tasgf", "-tmmbcs0", sbct_buf, NULL, NULL};
Allctr_t *a;
sprintf(sbct_buf, "-tsbct%lu", sbct/1024);
a = START_ALC("bkt_mask_1_", 0, argv1);
tcs->extra = (void *) a;
ASSERT(tcs, a);
min_blk_sz = MIN_BLK_SZ(a);
smbcs = 2*(no_bkts*sizeof(void *) + min_blk_sz) + min_blk_sz;
for (i = 0; i < no_bkts; i++) {
sz = BKT_MIN_SZ(a, i);
if (sz >= sbct)
break;
smbcs += sz + min_blk_sz;
}
bi_tests = i;
testcase_printf(tcs, "Will test %d buckets\n", bi_tests);
STOP_ALC(a);
tcs->extra = NULL;
smbcs /= 1024;
smbcs++;
testcase_printf(tcs, "smbcs = %lu\n", smbcs);
sprintf(smbcs_buf, "-tsmbcs%lu", smbcs);
argv2[3] = smbcs_buf;
a = START_ALC("bkt_mask_2_", 0, argv2);
tcs->extra = (void *) a;
ASSERT(tcs, a);
blk = (void **) ALLOC(a, no_bkts*sizeof(void *));
fence = (void **) ALLOC(a, no_bkts*sizeof(void *));
ASSERT(tcs, blk && fence);
testcase_printf(tcs, "Allocating blocks and fences\n");
for (i = 0; i < bi_tests; i++) {
sz = BKT_MIN_SZ(a, i);
blk[i] = ALLOC(a, sz - ablk_hdr_sz);
fence[i] = ALLOC(a, 1);
ASSERT(tcs, blk[i] && fence[i]);
}
tmp = (void *) UMEM2BLK(fence[bi_tests - 1]);
tmp = (void *) NXT_BLK((Block_t *) tmp);
ASSERT(tcs, IS_LAST_BLK(tmp));
sz = BLK_SZ((Block_t *) tmp);
testcase_printf(tcs, "Allocating leftover size = %lu\n", sz);
tmp = ALLOC(a, sz - ablk_hdr_sz);
ASSERT(tcs, tmp);
bi = FIND_BKT(a, 0);
ASSERT(tcs, bi < 0);
for (i = 0; i < bi_tests; i++) {
sz = BKT_MIN_SZ(a, i);
testcase_printf(tcs, "Testing bucket %d\n", i);
FREE(a, blk[i]);
bi = FIND_BKT(a, i);
ASSERT(tcs, bi == i);
blk[i] = ALLOC(a, sz - ablk_hdr_sz);
bi = FIND_BKT(a, i);
ASSERT(tcs, bi != i);
}
for (i = 0; i < bi_tests; i++) {
FREE(a, blk[i]);
FREE(a, fence[i]);
}
FREE(a, (void *) blk);
FREE(a, (void *) fence);
bi = FIND_BKT(a, 0);
ASSERT(tcs, bi == no_bkts - 1);
FREE(a, tmp);
bi = FIND_BKT(a, 0);
ASSERT(tcs, bi < 0);
STOP_ALC(a);
tcs->extra = NULL;
}
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