2 This file is part of GNUnet.
3 (C) 2001, 2002, 2003, 2004, 2006, 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 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 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file util/test_time.c
22 * @brief testcase for time.c
25 #include "gnunet_common.h"
26 #include "gnunet_time_lib.h"
28 #define VERBOSE GNUNET_EXTRA_LOGGING
33 struct GNUNET_TIME_Absolute now;
34 struct GNUNET_TIME_AbsoluteNBO nown;
35 struct GNUNET_TIME_Absolute future;
36 struct GNUNET_TIME_Absolute past;
37 struct GNUNET_TIME_Absolute last;
38 struct GNUNET_TIME_Absolute forever;
39 struct GNUNET_TIME_Absolute zero;
40 struct GNUNET_TIME_Relative rel;
41 struct GNUNET_TIME_Relative relForever;
42 struct GNUNET_TIME_Relative relUnit;
43 struct GNUNET_TIME_RelativeNBO reln;
46 forever = GNUNET_TIME_absolute_get_forever ();
47 relForever = GNUNET_TIME_relative_get_forever ();
48 relUnit = GNUNET_TIME_relative_get_unit ();
51 last = now = GNUNET_TIME_absolute_get ();
52 while (now.abs_value == last.abs_value)
53 now = GNUNET_TIME_absolute_get ();
54 GNUNET_assert (now.abs_value > last.abs_value);
56 /* test overflow checking in multiply */
57 rel = GNUNET_TIME_UNIT_SECONDS;
58 GNUNET_log_skip (1, GNUNET_NO);
59 for (i = 0; i < 55; i++)
60 rel = GNUNET_TIME_relative_multiply (rel, 2);
61 GNUNET_log_skip (0, GNUNET_NO);
62 GNUNET_assert (rel.rel_value == GNUNET_TIME_UNIT_FOREVER_REL.rel_value);
64 rel.rel_value = (UINT64_MAX) - 1024;
65 GNUNET_assert (GNUNET_TIME_relative_get_zero ().rel_value ==
66 GNUNET_TIME_relative_multiply (rel, 0).rel_value);
68 /* test infinity-check for relative to absolute */
69 GNUNET_log_skip (1, GNUNET_NO);
70 last = GNUNET_TIME_relative_to_absolute (rel);
71 GNUNET_assert (last.abs_value == GNUNET_TIME_UNIT_FOREVER_ABS.abs_value);
72 GNUNET_log_skip (0, GNUNET_YES);
74 /*check relative to absolute */
76 GNUNET_assert (GNUNET_TIME_absolute_get ().abs_value ==
77 GNUNET_TIME_relative_to_absolute (rel).abs_value);
79 rel.rel_value = UINT64_MAX;
80 GNUNET_assert (GNUNET_TIME_absolute_get_forever ().abs_value ==
81 GNUNET_TIME_relative_to_absolute (rel).abs_value);
82 /* check overflow for r2a */
83 rel.rel_value = (UINT64_MAX) - 1024;
84 GNUNET_log_skip (1, GNUNET_NO);
85 last = GNUNET_TIME_relative_to_absolute (rel);
86 GNUNET_log_skip (0, GNUNET_NO);
87 GNUNET_assert (last.abs_value == GNUNET_TIME_UNIT_FOREVER_ABS.abs_value);
89 /* check overflow for relative add */
90 GNUNET_log_skip (1, GNUNET_NO);
91 rel = GNUNET_TIME_relative_add (rel, rel);
92 GNUNET_log_skip (0, GNUNET_NO);
93 GNUNET_assert (rel.rel_value == GNUNET_TIME_UNIT_FOREVER_REL.rel_value);
95 GNUNET_log_skip (1, GNUNET_NO);
96 rel = GNUNET_TIME_relative_add (relForever, relForever);
97 GNUNET_log_skip (0, GNUNET_NO);
98 GNUNET_assert (rel.rel_value == relForever.rel_value);
100 GNUNET_log_skip (1, GNUNET_NO);
101 rel = GNUNET_TIME_relative_add (relUnit, relUnit);
102 GNUNET_assert (rel.rel_value == 2 * relUnit.rel_value);
104 /* check relation check in get_duration */
105 future.abs_value = now.abs_value + 1000000;
106 GNUNET_assert (GNUNET_TIME_absolute_get_difference (now, future).rel_value ==
108 GNUNET_assert (GNUNET_TIME_absolute_get_difference (future, now).rel_value ==
111 GNUNET_assert (GNUNET_TIME_absolute_get_difference (zero, forever).rel_value
112 == forever.abs_value);
114 past.abs_value = now.abs_value - 1000000;
115 rel = GNUNET_TIME_absolute_get_duration (future);
116 GNUNET_assert (rel.rel_value == 0);
117 rel = GNUNET_TIME_absolute_get_duration (past);
118 GNUNET_assert (rel.rel_value >= 1000000);
120 /* check get remaining */
121 rel = GNUNET_TIME_absolute_get_remaining (now);
122 GNUNET_assert (rel.rel_value == 0);
123 rel = GNUNET_TIME_absolute_get_remaining (past);
124 GNUNET_assert (rel.rel_value == 0);
125 rel = GNUNET_TIME_absolute_get_remaining (future);
126 GNUNET_assert (rel.rel_value > 0);
127 GNUNET_assert (rel.rel_value <= 1000000);
128 forever = GNUNET_TIME_absolute_get_forever ();
129 GNUNET_assert (GNUNET_TIME_relative_get_forever ().rel_value ==
130 GNUNET_TIME_absolute_get_remaining (forever).rel_value);
132 /* check endianess */
133 reln = GNUNET_TIME_relative_hton (rel);
134 GNUNET_assert (rel.rel_value == GNUNET_TIME_relative_ntoh (reln).rel_value);
135 nown = GNUNET_TIME_absolute_hton (now);
136 GNUNET_assert (now.abs_value == GNUNET_TIME_absolute_ntoh (nown).abs_value);
138 /* check absolute addition */
139 future = GNUNET_TIME_absolute_add (now, GNUNET_TIME_UNIT_SECONDS);
140 GNUNET_assert (future.abs_value == now.abs_value + 1000);
142 future = GNUNET_TIME_absolute_add (forever, GNUNET_TIME_UNIT_ZERO);
143 GNUNET_assert (future.abs_value == forever.abs_value);
145 rel.rel_value = (UINT64_MAX) - 1024;
146 now.abs_value = rel.rel_value;
147 future = GNUNET_TIME_absolute_add (now, rel);
148 GNUNET_assert (future.abs_value == forever.abs_value);
151 future = GNUNET_TIME_absolute_add (now, GNUNET_TIME_UNIT_ZERO);
152 GNUNET_assert (future.abs_value == now.abs_value);
154 GNUNET_assert (forever.abs_value ==
155 GNUNET_TIME_absolute_subtract (forever,
156 GNUNET_TIME_UNIT_MINUTES).abs_value);
157 /*check absolute subtract */
158 now.abs_value = 50000;
159 rel.rel_value = 100000;
160 GNUNET_assert (GNUNET_TIME_UNIT_ZERO_ABS.abs_value ==
161 (GNUNET_TIME_absolute_subtract (now, rel)).abs_value);
162 rel.rel_value = 10000;
163 GNUNET_assert (40000 == (GNUNET_TIME_absolute_subtract (now, rel)).abs_value);
165 /*check relative divide */
166 GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value ==
167 (GNUNET_TIME_relative_divide (rel, 0)).rel_value);
169 rel = GNUNET_TIME_UNIT_FOREVER_REL;
170 GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value ==
171 (GNUNET_TIME_relative_divide (rel, 2)).rel_value);
173 rel = GNUNET_TIME_relative_divide (relUnit, 2);
174 GNUNET_assert (rel.rel_value == relUnit.rel_value / 2);
177 /* check Return absolute time of 0ms */
178 zero = GNUNET_TIME_absolute_get_zero ();
180 /* check GNUNET_TIME_calculate_eta */
181 last.abs_value = GNUNET_TIME_absolute_get ().abs_value - 1024;
182 forever = GNUNET_TIME_absolute_get_forever ();
183 forever.abs_value = forever.abs_value - 1024;
184 GNUNET_assert (GNUNET_TIME_absolute_get_zero ().abs_value ==
185 GNUNET_TIME_calculate_eta (forever, 50000, 100000).rel_value);
187 GNUNET_log_skip (1, GNUNET_NO);
188 GNUNET_assert (GNUNET_TIME_UNIT_ZERO.rel_value ==
189 (GNUNET_TIME_calculate_eta (last, 60000, 50000)).rel_value);
190 GNUNET_log_skip (0, GNUNET_YES);
192 GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value ==
193 (GNUNET_TIME_calculate_eta (last, 0, 50000)).rel_value);
195 /*check relative subtract */
196 now = GNUNET_TIME_absolute_get ();
197 rel.rel_value = now.abs_value;
198 relForever.rel_value = rel.rel_value + 1024;
199 GNUNET_assert (1024 ==
200 GNUNET_TIME_relative_subtract (relForever, rel).rel_value);
202 GNUNET_assert (GNUNET_TIME_relative_get_zero ().rel_value ==
203 GNUNET_TIME_relative_subtract (rel, relForever).rel_value);
205 rel.rel_value = UINT64_MAX;
206 GNUNET_assert (GNUNET_TIME_relative_get_forever ().rel_value ==
207 GNUNET_TIME_relative_subtract (rel, relForever).rel_value);
209 /*check GNUNET_TIME_relative_min */
210 now = GNUNET_TIME_absolute_get ();
211 rel.rel_value = now.abs_value;
212 relForever.rel_value = rel.rel_value - 1024;
213 GNUNET_assert (relForever.rel_value ==
214 GNUNET_TIME_relative_min (rel, relForever).rel_value);
216 /*check GNUNET_TIME_relative_max */
217 GNUNET_assert (rel.rel_value ==
218 GNUNET_TIME_relative_max (rel, relForever).rel_value);
220 /*check GNUNET_TIME_absolute_min */
221 now = GNUNET_TIME_absolute_get ();
222 last.abs_value = now.abs_value - 1024;
223 GNUNET_assert (last.abs_value ==
224 GNUNET_TIME_absolute_min (now, last).abs_value);
226 /*check GNUNET_TIME_absolute_max */
227 GNUNET_assert (now.abs_value ==
228 GNUNET_TIME_absolute_max (now, last).abs_value);
234 main (int argc, char *argv[])
238 GNUNET_log_setup ("test-time", "WARNING", NULL);
244 /* end of test_time.c */