Annotation of embedaddon/curl/tests/unit/unit1603.c, revision 1.1
1.1 ! misho 1: /***************************************************************************
! 2: * _ _ ____ _
! 3: * Project ___| | | | _ \| |
! 4: * / __| | | | |_) | |
! 5: * | (__| |_| | _ <| |___
! 6: * \___|\___/|_| \_\_____|
! 7: *
! 8: * Copyright (C) 2015 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
! 9: *
! 10: * This software is licensed as described in the file COPYING, which
! 11: * you should have received as part of this distribution. The terms
! 12: * are also available at https://curl.haxx.se/docs/copyright.html.
! 13: *
! 14: * You may opt to use, copy, modify, merge, publish, distribute and/or sell
! 15: * copies of the Software, and permit persons to whom the Software is
! 16: * furnished to do so, under the terms of the COPYING file.
! 17: *
! 18: * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
! 19: * KIND, either express or implied.
! 20: *
! 21: ***************************************************************************/
! 22: #include "curlcheck.h"
! 23:
! 24: #define ENABLE_CURLX_PRINTF
! 25: #include "curlx.h"
! 26:
! 27: #include "hash.h"
! 28:
! 29: #include "memdebug.h" /* LAST include file */
! 30:
! 31: static struct curl_hash hash_static;
! 32: static const int slots = 3;
! 33:
! 34: static void mydtor(void *p)
! 35: {
! 36: /* Data are statically allocated */
! 37: (void)p; /* unused */
! 38: }
! 39:
! 40: static CURLcode unit_setup(void)
! 41: {
! 42: return Curl_hash_init(&hash_static, slots, Curl_hash_str,
! 43: Curl_str_key_compare, mydtor);
! 44: }
! 45:
! 46: static void unit_stop(void)
! 47: {
! 48: Curl_hash_destroy(&hash_static);
! 49: }
! 50:
! 51: UNITTEST_START
! 52: char key1[] = "key1";
! 53: char key2[] = "key2b";
! 54: char key3[] = "key3";
! 55: char key4[] = "key4";
! 56: char notakey[] = "notakey";
! 57: char *nodep;
! 58: int rc;
! 59:
! 60: /* Ensure the key hashes are as expected in order to test both hash
! 61: collisions and a full table. Unfortunately, the hashes can vary
! 62: between architectures. */
! 63: if(Curl_hash_str(key1, strlen(key1), slots) != 1 ||
! 64: Curl_hash_str(key2, strlen(key2), slots) != 0 ||
! 65: Curl_hash_str(key3, strlen(key3), slots) != 2 ||
! 66: Curl_hash_str(key4, strlen(key4), slots) != 1)
! 67: fprintf(stderr, "Warning: hashes are not computed as expected on this "
! 68: "architecture; test coverage will be less comprehensive\n");
! 69:
! 70: nodep = Curl_hash_add(&hash_static, &key1, strlen(key1), &key1);
! 71: fail_unless(nodep, "insertion into hash failed");
! 72: nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
! 73: fail_unless(nodep == key1, "hash retrieval failed");
! 74:
! 75: nodep = Curl_hash_add(&hash_static, &key2, strlen(key2), &key2);
! 76: fail_unless(nodep, "insertion into hash failed");
! 77: nodep = Curl_hash_pick(&hash_static, &key2, strlen(key2));
! 78: fail_unless(nodep == key2, "hash retrieval failed");
! 79:
! 80: nodep = Curl_hash_add(&hash_static, &key3, strlen(key3), &key3);
! 81: fail_unless(nodep, "insertion into hash failed");
! 82: nodep = Curl_hash_pick(&hash_static, &key3, strlen(key3));
! 83: fail_unless(nodep == key3, "hash retrieval failed");
! 84:
! 85: /* The fourth element exceeds the number of slots & collides */
! 86: nodep = Curl_hash_add(&hash_static, &key4, strlen(key4), &key4);
! 87: fail_unless(nodep, "insertion into hash failed");
! 88: nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
! 89: fail_unless(nodep == key4, "hash retrieval failed");
! 90:
! 91: /* Make sure all elements are still accessible */
! 92: nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
! 93: fail_unless(nodep == key1, "hash retrieval failed");
! 94: nodep = Curl_hash_pick(&hash_static, &key2, strlen(key2));
! 95: fail_unless(nodep == key2, "hash retrieval failed");
! 96: nodep = Curl_hash_pick(&hash_static, &key3, strlen(key3));
! 97: fail_unless(nodep == key3, "hash retrieval failed");
! 98: nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
! 99: fail_unless(nodep == key4, "hash retrieval failed");
! 100:
! 101: /* Delete the second of two entries in a bucket */
! 102: rc = Curl_hash_delete(&hash_static, &key4, strlen(key4));
! 103: fail_unless(rc == 0, "hash delete failed");
! 104: nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
! 105: fail_unless(nodep == key1, "hash retrieval failed");
! 106: nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
! 107: fail_unless(!nodep, "hash retrieval should have failed");
! 108:
! 109: /* Insert that deleted node again */
! 110: nodep = Curl_hash_add(&hash_static, &key4, strlen(key4), &key4);
! 111: fail_unless(nodep, "insertion into hash failed");
! 112: nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
! 113: fail_unless(nodep == key4, "hash retrieval failed");
! 114:
! 115: /* Delete the first of two entries in a bucket */
! 116: rc = Curl_hash_delete(&hash_static, &key1, strlen(key1));
! 117: fail_unless(rc == 0, "hash delete failed");
! 118: nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
! 119: fail_unless(!nodep, "hash retrieval should have failed");
! 120: nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
! 121: fail_unless(nodep == key4, "hash retrieval failed");
! 122:
! 123: /* Delete the remaining one of two entries in a bucket */
! 124: rc = Curl_hash_delete(&hash_static, &key4, strlen(key4));
! 125: fail_unless(rc == 0, "hash delete failed");
! 126: nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
! 127: fail_unless(!nodep, "hash retrieval should have failed");
! 128: nodep = Curl_hash_pick(&hash_static, &key4, strlen(key4));
! 129: fail_unless(!nodep, "hash retrieval should have failed");
! 130:
! 131: /* Delete an already deleted node */
! 132: rc = Curl_hash_delete(&hash_static, &key4, strlen(key4));
! 133: fail_unless(rc, "hash delete should have failed");
! 134:
! 135: /* Replace an existing node */
! 136: nodep = Curl_hash_add(&hash_static, &key1, strlen(key1), ¬akey);
! 137: fail_unless(nodep, "insertion into hash failed");
! 138: nodep = Curl_hash_pick(&hash_static, &key1, strlen(key1));
! 139: fail_unless(nodep == notakey, "hash retrieval failed");
! 140:
! 141: /* Make sure all remaining elements are still accessible */
! 142: nodep = Curl_hash_pick(&hash_static, &key2, strlen(key2));
! 143: fail_unless(nodep == key2, "hash retrieval failed");
! 144: nodep = Curl_hash_pick(&hash_static, &key3, strlen(key3));
! 145: fail_unless(nodep == key3, "hash retrieval failed");
! 146:
! 147: /* Clean up */
! 148: Curl_hash_clean(&hash_static);
! 149:
! 150: UNITTEST_STOP
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