blob: 526700bfb0ffa72fd334ad49374085f2ab69ec8b [file] [log] [blame]
/*
* Copyright (C) 2016 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "hash_table.h"
static void *make_key(uint32_t i)
{
return (void *)(uintptr_t)(1 + i);
}
static uint32_t key_id(const void *key)
{
return (uintptr_t)key - 1;
}
static uint32_t key_hash(const void *key)
{
return (uintptr_t)key;
}
static bool key_equal(const void *a, const void *b)
{
return a == b;
}
static void delete_function(struct hash_entry *entry)
{
bool *deleted = (bool *)entry->data;
assert(!*deleted);
*deleted = true;
}
int main()
{
struct hash_table *ht;
struct hash_entry *entry;
const uint32_t size = 1000;
bool flags[size];
uint32_t i;
ht = _mesa_hash_table_create(NULL, key_hash, key_equal);
for (i = 0; i < size; ++i) {
flags[i] = false;
_mesa_hash_table_insert(ht, make_key(i), &flags[i]);
}
_mesa_hash_table_clear(ht, delete_function);
assert(_mesa_hash_table_next_entry(ht, NULL) == NULL);
/* Check that delete_function was called and that repopulating the table
* works. */
for (i = 0; i < size; ++i) {
assert(flags[i]);
flags[i] = false;
_mesa_hash_table_insert(ht, make_key(i), &flags[i]);
}
/* Check that exactly the right set of entries is in the table. */
for (i = 0; i < size; ++i) {
assert(_mesa_hash_table_search(ht, make_key(i)));
}
hash_table_foreach(ht, entry) {
assert(key_id(entry->key) < size);
}
_mesa_hash_table_destroy(ht, NULL);
return 0;
}