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// SPDX-License-Identifier: GPL-2.0
/*
* (C) Copyright 2019
* Roman Kapl, SYSGO, rka@sysgo.com
*/
#include <common.h>
#include <command.h>
#include <log.h>
#include <search.h>
#include <stdio.h>
#include <test/env.h>
#include <test/ut.h>
#define SIZE 32
#define ITERATIONS 10000
static int htab_fill(struct unit_test_state *uts,
struct hsearch_data *htab, size_t size)
{
size_t i;
struct env_entry item;
struct env_entry *ritem;
char key[20];
for (i = 0; i < size; i++) {
sprintf(key, "%d", (int)i);
item.callback = NULL;
item.data = key;
item.flags = 0;
item.key = key;
ut_asserteq(1, hsearch_r(item, ENV_ENTER, &ritem, htab, 0));
}
return 0;
}
static int htab_check_fill(struct unit_test_state *uts,
struct hsearch_data *htab, size_t size)
{
size_t i;
struct env_entry item;
struct env_entry *ritem;
char key[20];
for (i = 0; i < size; i++) {
sprintf(key, "%d", (int)i);
item.callback = NULL;
item.flags = 0;
item.data = key;
item.key = key;
hsearch_r(item, ENV_FIND, &ritem, htab, 0);
ut_assert(ritem);
ut_asserteq_str(key, ritem->key);
ut_asserteq_str(key, ritem->data);
}
return 0;
}
static int htab_create_delete(struct unit_test_state *uts,
struct hsearch_data *htab, size_t iterations)
{
size_t i;
struct env_entry item;
struct env_entry *ritem;
char key[20];
for (i = 0; i < iterations; i++) {
sprintf(key, "cd-%d", (int)i);
item.callback = NULL;
item.flags = 0;
item.data = key;
item.key = key;
hsearch_r(item, ENV_ENTER, &ritem, htab, 0);
ritem = NULL;
hsearch_r(item, ENV_FIND, &ritem, htab, 0);
ut_assert(ritem);
ut_asserteq_str(key, ritem->key);
ut_asserteq_str(key, ritem->data);
ut_asserteq(0, hdelete_r(key, htab, 0));
}
return 0;
}
/* Completely fill up the hash table */
static int env_test_htab_fill(struct unit_test_state *uts)
{
struct hsearch_data htab;
memset(&htab, 0, sizeof(htab));
ut_asserteq(1, hcreate_r(SIZE, &htab));
ut_assertok(htab_fill(uts, &htab, SIZE));
ut_assertok(htab_check_fill(uts, &htab, SIZE));
ut_asserteq(SIZE, htab.filled);
hdestroy_r(&htab);
return 0;
}
ENV_TEST(env_test_htab_fill, 0);
/* Fill the hashtable up halfway an repeateadly delete/create elements
* and check for corruption
*/
static int env_test_htab_deletes(struct unit_test_state *uts)
{
struct hsearch_data htab;
memset(&htab, 0, sizeof(htab));
ut_asserteq(1, hcreate_r(SIZE, &htab));
ut_assertok(htab_fill(uts, &htab, SIZE / 2));
ut_assertok(htab_create_delete(uts, &htab, ITERATIONS));
ut_assertok(htab_check_fill(uts, &htab, SIZE / 2));
ut_asserteq(SIZE / 2, htab.filled);
hdestroy_r(&htab);
return 0;
}
ENV_TEST(env_test_htab_deletes, 0);
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