universalservice/examples/hashtable/test_insert_delete.c

107 lines
3.4 KiB
C

/* Copyright (c) 2024, Peter McGoron
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT
* OWNER OR CONTRIBUTORS 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "uns.h"
#include "uns_hashtable.h"
#include "testnames.h"
#define ARRLEN(a) (sizeof(a) /sizeof((a)[0]))
/* Insert and delete in a way that invokes the garbage collector every
* so often. add 50 delete 10
*/
int test(struct uns_gc *gc)
{
/* Keys and values will be stored as NUL terminated for simplicity. */
struct uns_ctr htbl = {0};
struct uns_ctr str = {0};
struct uns_ctr val = {0};
struct uns_ctr old_value = {0};
int i, j;
size_t slen;
int first_not_deleted = 0;
uns_root_add(gc, &htbl);
uns_root_add(gc, &str);
uns_root_add(gc, &val);
uns_root_add(gc, &old_value);
uns_hashtable_alloc_into(gc, &htbl, 32);
for (i = 0; i < ARRLEN(names); i++) {
printf("%d\r", i);
fflush(stdout);
slen = strlen(names[i]);
str.p = uns_alloc(gc, slen + 1, 0);
val.p = uns_alloc(gc, strlen(values[i]) + 1, 0);
strcpy(str.p, names[i]);
strcpy(val.p, values[i]);
uns_hashtable_add(gc, &htbl, &str, slen, &val, &old_value);
assert(!old_value.p);
if (i % 50 == 0 && i != 0) {
for (j = first_not_deleted; j < first_not_deleted + 10; j++) {
uns_hashtable_del(gc, &htbl, (unsigned char *)names[j], strlen(names[j]), &old_value);
if (!old_value.p || strcmp(old_value.p, values[j]) != 0) {
printf("\n%s, %s\n", (char *)val.p, values[j]);
printf("\n%d-%d delete failed\n", i, j);
exit(1);
}
}
first_not_deleted += 10;
}
for (j = 0; j < ARRLEN(names); j++) {
uns_hashtable_search(gc, &htbl, (unsigned char*)names[j], strlen(names[j]),
&val);
if (j < first_not_deleted || j > i) {
if (val.p) {
printf("\n%d: %d should not exist\n", i, j);
exit(1);
}
} else if (j <= i && (!val.p || strcmp(val.p, values[j]) != 0)) {
printf("\n%s, %s\n", (char *)val.p, values[j]);
printf("\n%d-%d failed\n", i, j);
exit(1);
}
}
}
printf("\ndone\n");
uns_root_remove(gc, &old_value);
uns_root_remove(gc, &val);
uns_root_remove(gc, &str);
uns_root_remove(gc, &htbl);
uns_collect(gc);
return 0;
}