151 lines
5.9 KiB
C
151 lines
5.9 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 2015 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "curlcheck.h"
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#define ENABLE_CURLX_PRINTF
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#include "curlx.h"
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#include "hash.h"
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#include "memdebug.h" /* LAST include file */
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static struct curl_hash hash_static;
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static const int slots = 3;
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static void mydtor(void *p)
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{
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/* Data are statically allocated */
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(void)p; /* unused */
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}
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static CURLcode unit_setup(void)
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{
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return Curl_hash_init(&hash_static, slots, Curl_hash_str,
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Curl_str_key_compare, mydtor);
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}
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static void unit_stop(void)
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{
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Curl_hash_destroy(&hash_static);
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}
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UNITTEST_START
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char key1[] = "key1";
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char key2[] = "key2b";
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char key3[] = "key3";
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char key4[] = "key4";
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char notakey[] = "notakey";
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char *nodep;
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int rc;
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/* Ensure the key hashes are as expected in order to test both hash
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collisions and a full table. Unfortunately, the hashes can vary
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between architectures. */
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if(Curl_hash_str(key1, strlen(key1), slots) != 1 ||
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Curl_hash_str(key2, strlen(key2), slots) != 0 ||
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Curl_hash_str(key3, strlen(key3), slots) != 2 ||
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Curl_hash_str(key4, strlen(key4), slots) != 1)
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fprintf(stderr, "Warning: hashes are not computed as expected on this "
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"architecture; test coverage will be less comprehensive\n");
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nodep = Curl_hash_add(&hash_static, &key1, strlen(key1), &key1);
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fail_unless(nodep, "insertion into hash failed");
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nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
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fail_unless(nodep == key1, "hash retrieval failed");
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nodep = Curl_hash_add(&hash_static, &key2, strlen(key2), &key2);
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fail_unless(nodep, "insertion into hash failed");
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nodep = Curl_hash_pick(&hash_static, &key2, strlen(key2));
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fail_unless(nodep == key2, "hash retrieval failed");
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nodep = Curl_hash_add(&hash_static, &key3, strlen(key3), &key3);
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fail_unless(nodep, "insertion into hash failed");
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nodep = Curl_hash_pick(&hash_static, &key3, strlen(key3));
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fail_unless(nodep == key3, "hash retrieval failed");
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/* The fourth element exceeds the number of slots & collides */
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nodep = Curl_hash_add(&hash_static, &key4, strlen(key4), &key4);
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fail_unless(nodep, "insertion into hash failed");
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nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
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fail_unless(nodep == key4, "hash retrieval failed");
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/* Make sure all elements are still accessible */
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nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
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fail_unless(nodep == key1, "hash retrieval failed");
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nodep = Curl_hash_pick(&hash_static, &key2, strlen(key2));
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fail_unless(nodep == key2, "hash retrieval failed");
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nodep = Curl_hash_pick(&hash_static, &key3, strlen(key3));
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fail_unless(nodep == key3, "hash retrieval failed");
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nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
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fail_unless(nodep == key4, "hash retrieval failed");
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/* Delete the second of two entries in a bucket */
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rc = Curl_hash_delete(&hash_static, &key4, strlen(key4));
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fail_unless(rc == 0, "hash delete failed");
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nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
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fail_unless(nodep == key1, "hash retrieval failed");
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nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
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fail_unless(!nodep, "hash retrieval should have failed");
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/* Insert that deleted node again */
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nodep = Curl_hash_add(&hash_static, &key4, strlen(key4), &key4);
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fail_unless(nodep, "insertion into hash failed");
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nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
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fail_unless(nodep == key4, "hash retrieval failed");
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/* Delete the first of two entries in a bucket */
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rc = Curl_hash_delete(&hash_static, &key1, strlen(key1));
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fail_unless(rc == 0, "hash delete failed");
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nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
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fail_unless(!nodep, "hash retrieval should have failed");
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nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
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fail_unless(nodep == key4, "hash retrieval failed");
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/* Delete the remaining one of two entries in a bucket */
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rc = Curl_hash_delete(&hash_static, &key4, strlen(key4));
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fail_unless(rc == 0, "hash delete failed");
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nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
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fail_unless(!nodep, "hash retrieval should have failed");
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nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
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fail_unless(!nodep, "hash retrieval should have failed");
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/* Delete an already deleted node */
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rc = Curl_hash_delete(&hash_static, &key4, strlen(key4));
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fail_unless(rc, "hash delete should have failed");
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/* Replace an existing node */
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nodep = Curl_hash_add(&hash_static, &key1, strlen(key1), ¬akey);
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fail_unless(nodep, "insertion into hash failed");
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nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
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fail_unless(nodep == notakey, "hash retrieval failed");
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/* Make sure all remaining elements are still accessible */
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nodep = Curl_hash_pick(&hash_static, &key2, strlen(key2));
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fail_unless(nodep == key2, "hash retrieval failed");
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nodep = Curl_hash_pick(&hash_static, &key3, strlen(key3));
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fail_unless(nodep == key3, "hash retrieval failed");
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/* Clean up */
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Curl_hash_clean(&hash_static);
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UNITTEST_STOP
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