/* * Copyright © 2012 Intel Corporation * * 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 NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS 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. * * Authors: * Eric Anholt */ #include #include #include #include #include "hash_table.h" int main(int argc, char **argv) { struct hash_table *ht; const char *str1 = "test1"; const char *str2 = "test2"; struct hash_entry *entry1, *entry2; uint32_t bad_hash = 5; int i; ht = _mesa_hash_table_create(NULL, NULL, _mesa_key_string_equal); _mesa_hash_table_insert_with_hash(ht, bad_hash, str1, NULL); _mesa_hash_table_insert_with_hash(ht, bad_hash, str2, NULL); entry1 = _mesa_hash_table_search_pre_hashed(ht, bad_hash, str1); assert(entry1->key == str1); entry2 = _mesa_hash_table_search_pre_hashed(ht, bad_hash, str2); assert(entry2->key == str2); /* Check that we can still find #1 after inserting #2 */ entry1 = _mesa_hash_table_search_pre_hashed(ht, bad_hash, str1); assert(entry1->key == str1); /* Remove the collided entry and look again. */ _mesa_hash_table_remove(ht, entry1); entry2 = _mesa_hash_table_search_pre_hashed(ht, bad_hash, str2); assert(entry2->key == str2); /* Put str1 back, then spam junk into the table to force a * resize and make sure we can still find them both. */ _mesa_hash_table_insert_with_hash(ht, bad_hash, str1, NULL); for (i = 0; i < 100; i++) { char *key = malloc(10); sprintf(key, "spam%d", i); _mesa_hash_table_insert_with_hash(ht, _mesa_hash_string(key), key, NULL); } entry1 = _mesa_hash_table_search_pre_hashed(ht, bad_hash, str1); assert(entry1->key == str1); entry2 = _mesa_hash_table_search_pre_hashed(ht, bad_hash, str2); assert(entry2->key == str2); _mesa_hash_table_destroy(ht, NULL); return 0; }