2 This file is part of GNUnet.
3 Copyright (C) 2004, 2009 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
21 * @file util/test_container_bloomfilter.c
22 * @brief Testcase for the bloomfilter.
23 * @author Christian Grothoff
24 * @author Igor Wronsky
28 #include "gnunet_util_lib.h"
32 #define TESTFILE "/tmp/bloomtest.dat"
35 * Generate a random hashcode.
38 nextHC (struct GNUNET_HashCode *hc)
40 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, hc);
45 add_iterator (void *cls, struct GNUNET_HashCode *next)
48 struct GNUNET_HashCode pos;
59 main (int argc, char *argv[])
61 struct GNUNET_CONTAINER_BloomFilter *bf;
62 struct GNUNET_CONTAINER_BloomFilter *bfi;
63 struct GNUNET_HashCode tmp;
71 GNUNET_log_setup ("test-container-bloomfilter", "WARNING", NULL);
72 GNUNET_CRYPTO_seed_weak_random (1);
73 if (0 == stat (TESTFILE, &sbuf))
74 if (0 != unlink (TESTFILE))
75 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "unlink", TESTFILE);
76 bf = GNUNET_CONTAINER_bloomfilter_load (TESTFILE, SIZE, K);
78 for (i = 0; i < 200; i++)
81 GNUNET_CONTAINER_bloomfilter_add (bf, &tmp);
83 GNUNET_CRYPTO_seed_weak_random (1);
85 for (i = 0; i < 200; i++)
88 if (GNUNET_CONTAINER_bloomfilter_test (bf, &tmp) == GNUNET_YES)
93 printf ("Got %d elements out of"
94 "200 expected after insertion.\n",
96 GNUNET_CONTAINER_bloomfilter_free (bf);
99 if (GNUNET_OK != GNUNET_CONTAINER_bloomfilter_get_raw_data (bf, buf, SIZE))
101 GNUNET_CONTAINER_bloomfilter_free (bf);
105 GNUNET_CONTAINER_bloomfilter_free (bf);
107 bf = GNUNET_CONTAINER_bloomfilter_load (TESTFILE, SIZE, K);
108 GNUNET_assert (bf != NULL);
109 bfi = GNUNET_CONTAINER_bloomfilter_init (buf, SIZE, K);
110 GNUNET_assert (bfi != NULL);
112 GNUNET_CRYPTO_seed_weak_random (1);
115 for (i = 0; i < 200; i++)
118 if (GNUNET_CONTAINER_bloomfilter_test (bf, &tmp) == GNUNET_YES)
120 if (GNUNET_CONTAINER_bloomfilter_test (bfi, &tmp) == GNUNET_YES)
125 printf ("Got %d elements out of 200 "
126 "expected after reloading.\n",
128 GNUNET_CONTAINER_bloomfilter_free (bf);
129 GNUNET_CONTAINER_bloomfilter_free (bfi);
135 printf ("Got %d elements out of 200 "
136 "expected after initialization.\n",
138 GNUNET_CONTAINER_bloomfilter_free (bf);
139 GNUNET_CONTAINER_bloomfilter_free (bfi);
143 GNUNET_CRYPTO_seed_weak_random (1);
144 for (i = 0; i < 100; i++)
147 GNUNET_CONTAINER_bloomfilter_remove (bf, &tmp);
148 GNUNET_CONTAINER_bloomfilter_remove (bfi, &tmp);
151 GNUNET_CRYPTO_seed_weak_random (1);
155 for (i = 0; i < 200; i++)
158 if (GNUNET_CONTAINER_bloomfilter_test (bf, &tmp) == GNUNET_YES)
160 if (GNUNET_CONTAINER_bloomfilter_test (bfi, &tmp) == GNUNET_YES)
166 printf ("Expected 100 elements in loaded filter"
167 " after adding 200 and deleting 100, got %d\n",
169 GNUNET_CONTAINER_bloomfilter_free (bf);
170 GNUNET_CONTAINER_bloomfilter_free (bfi);
175 printf ("Expected 200 elements in initialized filter"
176 " after adding 200 and deleting 100 "
177 "(which should do nothing for a filter not backed by a file), got %d\n",
179 GNUNET_CONTAINER_bloomfilter_free (bf);
180 GNUNET_CONTAINER_bloomfilter_free (bfi);
184 GNUNET_CRYPTO_seed_weak_random (3);
186 GNUNET_CONTAINER_bloomfilter_clear (bf);
188 for (i = 0; i < 1000; i++)
191 if (GNUNET_CONTAINER_bloomfilter_test (bf, &tmp) == GNUNET_YES)
196 GNUNET_CONTAINER_bloomfilter_free (bf);
197 GNUNET_CONTAINER_bloomfilter_free (bfi);
201 if (GNUNET_OK != GNUNET_CONTAINER_bloomfilter_or (bf, buf, SIZE))
203 GNUNET_CONTAINER_bloomfilter_free (bf);
204 GNUNET_CONTAINER_bloomfilter_free (bfi);
208 GNUNET_CRYPTO_seed_weak_random (2);
210 GNUNET_CONTAINER_bloomfilter_resize (bfi, &add_iterator, &i, SIZE * 2, K);
212 GNUNET_CRYPTO_seed_weak_random (2);
214 GNUNET_CONTAINER_bloomfilter_resize (bf, &add_iterator, &i, SIZE * 2, K);
215 GNUNET_CRYPTO_seed_weak_random (2);
219 for (i = 0; i < 20; i++)
222 if (GNUNET_CONTAINER_bloomfilter_test (bf, &tmp) == GNUNET_YES)
224 if (GNUNET_CONTAINER_bloomfilter_test (bfi, &tmp) == GNUNET_YES)
230 printf ("Expected 20 elements in resized file-backed filter"
231 " after adding 20, got %d\n",
233 GNUNET_CONTAINER_bloomfilter_free (bf);
234 GNUNET_CONTAINER_bloomfilter_free (bfi);
239 printf ("Expected 20 elements in resized filter"
240 " after adding 20, got %d\n",
242 GNUNET_CONTAINER_bloomfilter_free (bf);
243 GNUNET_CONTAINER_bloomfilter_free (bfi);
248 GNUNET_CONTAINER_bloomfilter_free (bf);
249 GNUNET_CONTAINER_bloomfilter_free (bfi);
251 GNUNET_break (0 == unlink (TESTFILE));