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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2015 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curlcheck.h"
#define ENABLE_CURLX_PRINTF
#include "curlx.h"
#include "hash.h"
#include "memdebug.h" /* LAST include file */
static struct Curl_hash hash_static;
static const int slots = 3;
static void mydtor(void *p)
{
/* Data are statically allocated */
(void)p; /* unused */
}
static CURLcode unit_setup(void)
{
return Curl_hash_init(&hash_static, slots, Curl_hash_str,
Curl_str_key_compare, mydtor);
}
static void unit_stop(void)
{
Curl_hash_destroy(&hash_static);
}
UNITTEST_START
char key1[] = "key1";
char key2[] = "key2b";
char key3[] = "key3";
char key4[] = "key4";
char notakey[] = "notakey";
char *nodep;
int rc;
/* Ensure the key hashes are as expected in order to test both hash
collisions and a full table. Unfortunately, the hashes can vary
between architectures. */
if(Curl_hash_str(key1, strlen(key1), slots) != 1 ||
Curl_hash_str(key2, strlen(key2), slots) != 0 ||
Curl_hash_str(key3, strlen(key3), slots) != 2 ||
Curl_hash_str(key4, strlen(key4), slots) != 1)
fprintf(stderr, "Warning: hashes are not computed as expected on this "
"architecture; test coverage will be less comprehensive\n");
nodep = Curl_hash_add(&hash_static, &key1, strlen(key1), &key1);
fail_unless(nodep, "insertion into hash failed");
nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
fail_unless(nodep == key1, "hash retrieval failed");
nodep = Curl_hash_add(&hash_static, &key2, strlen(key2), &key2);
fail_unless(nodep, "insertion into hash failed");
nodep = Curl_hash_pick(&hash_static, &key2, strlen(key2));
fail_unless(nodep == key2, "hash retrieval failed");
nodep = Curl_hash_add(&hash_static, &key3, strlen(key3), &key3);
fail_unless(nodep, "insertion into hash failed");
nodep = Curl_hash_pick(&hash_static, &key3, strlen(key3));
fail_unless(nodep == key3, "hash retrieval failed");
/* The fourth element exceeds the number of slots & collides */
nodep = Curl_hash_add(&hash_static, &key4, strlen(key4), &key4);
fail_unless(nodep, "insertion into hash failed");
nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
fail_unless(nodep == key4, "hash retrieval failed");
/* Make sure all elements are still accessible */
nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
fail_unless(nodep == key1, "hash retrieval failed");
nodep = Curl_hash_pick(&hash_static, &key2, strlen(key2));
fail_unless(nodep == key2, "hash retrieval failed");
nodep = Curl_hash_pick(&hash_static, &key3, strlen(key3));
fail_unless(nodep == key3, "hash retrieval failed");
nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
fail_unless(nodep == key4, "hash retrieval failed");
/* Delete the second of two entries in a bucket */
rc = Curl_hash_delete(&hash_static, &key4, strlen(key4));
fail_unless(rc == 0, "hash delete failed");
nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
fail_unless(nodep == key1, "hash retrieval failed");
nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
fail_unless(!nodep, "hash retrieval should have failed");
/* Insert that deleted node again */
nodep = Curl_hash_add(&hash_static, &key4, strlen(key4), &key4);
fail_unless(nodep, "insertion into hash failed");
nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
fail_unless(nodep == key4, "hash retrieval failed");
/* Delete the first of two entries in a bucket */
rc = Curl_hash_delete(&hash_static, &key1, strlen(key1));
fail_unless(rc == 0, "hash delete failed");
nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
fail_unless(!nodep, "hash retrieval should have failed");
nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
fail_unless(nodep == key4, "hash retrieval failed");
/* Delete the remaining one of two entries in a bucket */
rc = Curl_hash_delete(&hash_static, &key4, strlen(key4));
fail_unless(rc == 0, "hash delete failed");
nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
fail_unless(!nodep, "hash retrieval should have failed");
nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
fail_unless(!nodep, "hash retrieval should have failed");
/* Delete an already deleted node */
rc = Curl_hash_delete(&hash_static, &key4, strlen(key4));
fail_unless(rc, "hash delete should have failed");
/* Replace an existing node */
nodep = Curl_hash_add(&hash_static, &key1, strlen(key1), ¬akey);
fail_unless(nodep, "insertion into hash failed");
nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
fail_unless(nodep == notakey, "hash retrieval failed");
/* Make sure all remaining elements are still accessible */
nodep = Curl_hash_pick(&hash_static, &key2, strlen(key2));
fail_unless(nodep == key2, "hash retrieval failed");
nodep = Curl_hash_pick(&hash_static, &key3, strlen(key3));
fail_unless(nodep == key3, "hash retrieval failed");
/* Clean up */
Curl_hash_clean(&hash_static);
UNITTEST_STOP
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