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.
16 * @file util/test_container_bloomfilter.c
17 * @brief Testcase for the bloomfilter.
18 * @author Christian Grothoff
19 * @author Igor Wronsky
23 #include "gnunet_util_lib.h"
27 #define TESTFILE "/tmp/bloomtest.dat"
30 * Generate a random hashcode.
33 nextHC (struct GNUNET_HashCode * hc)
35 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, hc);
39 add_iterator (void *cls, struct GNUNET_HashCode * next)
42 struct GNUNET_HashCode pos;
52 main (int argc, char *argv[])
54 struct GNUNET_CONTAINER_BloomFilter *bf;
55 struct GNUNET_CONTAINER_BloomFilter *bfi;
56 struct GNUNET_HashCode tmp;
64 GNUNET_log_setup ("test-container-bloomfilter", "WARNING", NULL);
65 GNUNET_CRYPTO_seed_weak_random (1);
66 if (0 == STAT (TESTFILE, &sbuf))
67 if (0 != UNLINK (TESTFILE))
68 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "unlink", TESTFILE);
69 bf = GNUNET_CONTAINER_bloomfilter_load (TESTFILE, SIZE, K);
71 for (i = 0; i < 200; i++)
74 GNUNET_CONTAINER_bloomfilter_add (bf, &tmp);
76 GNUNET_CRYPTO_seed_weak_random (1);
78 for (i = 0; i < 200; i++)
81 if (GNUNET_CONTAINER_bloomfilter_test (bf, &tmp) == GNUNET_YES)
86 printf ("Got %d elements out of" "200 expected after insertion.\n", ok1);
87 GNUNET_CONTAINER_bloomfilter_free (bf);
90 if (GNUNET_OK != GNUNET_CONTAINER_bloomfilter_get_raw_data (bf, buf, SIZE))
92 GNUNET_CONTAINER_bloomfilter_free (bf);
96 GNUNET_CONTAINER_bloomfilter_free (bf);
98 bf = GNUNET_CONTAINER_bloomfilter_load (TESTFILE, SIZE, K);
99 GNUNET_assert (bf != NULL);
100 bfi = GNUNET_CONTAINER_bloomfilter_init (buf, SIZE, K);
101 GNUNET_assert (bfi != NULL);
103 GNUNET_CRYPTO_seed_weak_random (1);
106 for (i = 0; i < 200; i++)
109 if (GNUNET_CONTAINER_bloomfilter_test (bf, &tmp) == GNUNET_YES)
111 if (GNUNET_CONTAINER_bloomfilter_test (bfi, &tmp) == GNUNET_YES)
116 printf ("Got %d elements out of 200 " "expected after reloading.\n", ok1);
117 GNUNET_CONTAINER_bloomfilter_free (bf);
118 GNUNET_CONTAINER_bloomfilter_free (bfi);
124 printf ("Got %d elements out of 200 " "expected after initialization.\n",
126 GNUNET_CONTAINER_bloomfilter_free (bf);
127 GNUNET_CONTAINER_bloomfilter_free (bfi);
131 GNUNET_CRYPTO_seed_weak_random (1);
132 for (i = 0; i < 100; i++)
135 GNUNET_CONTAINER_bloomfilter_remove (bf, &tmp);
136 GNUNET_CONTAINER_bloomfilter_remove (bfi, &tmp);
139 GNUNET_CRYPTO_seed_weak_random (1);
143 for (i = 0; i < 200; i++)
146 if (GNUNET_CONTAINER_bloomfilter_test (bf, &tmp) == GNUNET_YES)
148 if (GNUNET_CONTAINER_bloomfilter_test (bfi, &tmp) == GNUNET_YES)
154 printf ("Expected 100 elements in loaded filter"
155 " after adding 200 and deleting 100, got %d\n", ok1);
156 GNUNET_CONTAINER_bloomfilter_free (bf);
157 GNUNET_CONTAINER_bloomfilter_free (bfi);
162 printf ("Expected 200 elements in initialized filter"
163 " after adding 200 and deleting 100 "
164 "(which should do nothing for a filter not backed by a file), got %d\n",
166 GNUNET_CONTAINER_bloomfilter_free (bf);
167 GNUNET_CONTAINER_bloomfilter_free (bfi);
171 GNUNET_CRYPTO_seed_weak_random (3);
173 GNUNET_CONTAINER_bloomfilter_clear (bf);
175 for (i = 0; i < 1000; i++)
178 if (GNUNET_CONTAINER_bloomfilter_test (bf, &tmp) == GNUNET_YES)
183 GNUNET_CONTAINER_bloomfilter_free (bf);
184 GNUNET_CONTAINER_bloomfilter_free (bfi);
188 if (GNUNET_OK != GNUNET_CONTAINER_bloomfilter_or (bf, buf, SIZE))
190 GNUNET_CONTAINER_bloomfilter_free (bf);
191 GNUNET_CONTAINER_bloomfilter_free (bfi);
195 GNUNET_CRYPTO_seed_weak_random (2);
197 GNUNET_CONTAINER_bloomfilter_resize (bfi, &add_iterator, &i, SIZE * 2, K);
199 GNUNET_CRYPTO_seed_weak_random (2);
201 GNUNET_CONTAINER_bloomfilter_resize (bf, &add_iterator, &i, SIZE * 2, K);
202 GNUNET_CRYPTO_seed_weak_random (2);
206 for (i = 0; i < 20; i++)
209 if (GNUNET_CONTAINER_bloomfilter_test (bf, &tmp) == GNUNET_YES)
211 if (GNUNET_CONTAINER_bloomfilter_test (bfi, &tmp) == GNUNET_YES)
217 printf ("Expected 20 elements in resized file-backed filter"
218 " after adding 20, got %d\n", ok1);
219 GNUNET_CONTAINER_bloomfilter_free (bf);
220 GNUNET_CONTAINER_bloomfilter_free (bfi);
225 printf ("Expected 20 elements in resized filter"
226 " after adding 20, got %d\n", ok2);
227 GNUNET_CONTAINER_bloomfilter_free (bf);
228 GNUNET_CONTAINER_bloomfilter_free (bfi);
233 GNUNET_CONTAINER_bloomfilter_free (bf);
234 GNUNET_CONTAINER_bloomfilter_free (bfi);
236 GNUNET_break (0 == UNLINK (TESTFILE));