1 /*-
2 * Copyright (c) 2022 Axcient
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * substantially similar to the "NO WARRANTY" disclaimer below
13 * ("Disclaimer") and any redistribution must be conditioned upon
14 * including a substantially similar Disclaimer requirement for further
15 * binary redistribution.
16 *
17 * NO WARRANTY
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGES.
29 */
30 #include <sys/types.h>
31 #include <sys/time.h>
32
33 #include <inttypes.h>
34 #include <stdio.h>
35
36 #include <atf-c.h>
37
38
39 static void
atf_check_nstosbt(sbintime_t expected,int64_t ns)40 atf_check_nstosbt(sbintime_t expected, int64_t ns) {
41 sbintime_t actual = nstosbt(ns);
42
43 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1,
44 "%"PRId64" != nstosbt(%"PRId64") (%"PRId64")",
45 expected, ns, actual);
46 }
47
48 ATF_TC_WITHOUT_HEAD(nstosbt);
ATF_TC_BODY(nstosbt,tc)49 ATF_TC_BODY(nstosbt, tc)
50 {
51 atf_check_nstosbt(0, 0);
52 atf_check_nstosbt(4, 1);
53 /* 1 second */
54 atf_check_nstosbt((1ll << 32) - 4, 999999999);
55 atf_check_nstosbt(1ll << 32, 1000000000);
56 /* 2 seconds https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263073 */
57 atf_check_nstosbt((1ll << 33) - 4, 1999999999);
58 atf_check_nstosbt(1ll << 33, 2000000000);
59 /* 4 seconds */
60 atf_check_nstosbt((1ll << 34) - 4, 3999999999);
61 atf_check_nstosbt((1ll << 34), 4000000000);
62 /* Max value */
63 atf_check_nstosbt(((1ll << 31) - 1) << 32,
64 ((1ll << 31) - 1) * 1000000000);
65 }
66
67 static void
atf_check_ustosbt(sbintime_t expected,int64_t us)68 atf_check_ustosbt(sbintime_t expected, int64_t us) {
69 sbintime_t actual = ustosbt(us);
70
71 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1,
72 "%"PRId64" != ustosbt(%"PRId64") (%"PRId64")",
73 expected, us, actual);
74 }
75
76 ATF_TC_WITHOUT_HEAD(ustosbt);
ATF_TC_BODY(ustosbt,tc)77 ATF_TC_BODY(ustosbt, tc)
78 {
79 atf_check_ustosbt(0, 0);
80 atf_check_ustosbt(4295, 1);
81 /* 1 second */
82 atf_check_ustosbt((1ll << 32) - 4295, 999999);
83 atf_check_ustosbt(1ll << 32, 1000000);
84 /* 2 seconds https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263073 */
85 atf_check_ustosbt((1ll << 33) - 4295, 1999999);
86 atf_check_ustosbt(1ll << 33, 2000000);
87 /* 4 seconds */
88 atf_check_ustosbt((1ll << 34) - 4295, 3999999);
89 atf_check_ustosbt(1ll << 34, 4000000);
90 /* Max value */
91 atf_check_ustosbt(((1ull << 31) - 1) << 32,
92 ((1ll << 31) - 1) * 1000000);
93 }
94
95 static void
atf_check_mstosbt(sbintime_t expected,int64_t ms)96 atf_check_mstosbt(sbintime_t expected, int64_t ms) {
97 sbintime_t actual = mstosbt(ms);
98
99 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1,
100 "%"PRId64" != mstosbt(%"PRId64") (%"PRId64")",
101 expected, ms, actual);
102 }
103
104 ATF_TC_WITHOUT_HEAD(mstosbt);
ATF_TC_BODY(mstosbt,tc)105 ATF_TC_BODY(mstosbt, tc)
106 {
107 atf_check_mstosbt(0, 0);
108 atf_check_mstosbt(4294967, 1);
109 /* 1 second */
110 atf_check_mstosbt((1ll << 32) - 4294968, 999);
111 atf_check_mstosbt(1ll << 32, 1000);
112 /* 2 seconds https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263073 */
113 atf_check_mstosbt((1ll << 33) - 4294968, 1999);
114 atf_check_mstosbt(1ll << 33, 2000);
115 /* 4 seconds */
116 atf_check_mstosbt((1ll << 34) - 4294968, 3999);
117 atf_check_mstosbt(1ll << 34, 4000);
118 /* Max value */
119 atf_check_mstosbt(((1ll << 31) - 1) << 32, ((1ll << 31) - 1) * 1000);
120 }
121
122 static void
atf_check_sbttons(int64_t expected,sbintime_t sbt)123 atf_check_sbttons(int64_t expected, sbintime_t sbt) {
124 int64_t actual = sbttons(sbt);
125
126 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1,
127 "%"PRId64" != sbttons(%"PRId64") (%"PRId64")",
128 expected, sbt, actual);
129 }
130
131 ATF_TC_WITHOUT_HEAD(sbttons);
ATF_TC_BODY(sbttons,tc)132 ATF_TC_BODY(sbttons, tc)
133 {
134 atf_check_sbttons(0, 0);
135 atf_check_sbttons(0, 1);
136 atf_check_sbttons(1, (1ll << 32) / 1000000000);
137 /* 1 second */
138 atf_check_sbttons(1000000000, 1ll << 32);
139 atf_check_sbttons(1999999999, (1ll << 33) - 1);
140 /* 2 seconds */
141 atf_check_sbttons(1999999999, (1ll << 33) - 1);
142 atf_check_sbttons(2000000000, 1ll << 33);
143 /* 4 seconds */
144 atf_check_sbttons(3999999999, (1ll << 34) - 1);
145 atf_check_sbttons(4000000000, 1ll << 34);
146 /* edge cases */
147 atf_check_sbttons(999999999, (1ll << 32) - 1);
148 atf_check_sbttons((1ll << 31) * 1000000000, (1ull << 63) - 1);
149 }
150
151 static void
atf_check_sbttous(int64_t expected,sbintime_t sbt)152 atf_check_sbttous(int64_t expected, sbintime_t sbt) {
153 int64_t actual = sbttous(sbt);
154
155 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1,
156 "%"PRId64" != sbttous(%"PRId64") (%"PRId64")",
157 expected, sbt, actual);
158 }
159
160 ATF_TC_WITHOUT_HEAD(sbttous);
ATF_TC_BODY(sbttous,tc)161 ATF_TC_BODY(sbttous, tc)
162 {
163 atf_check_sbttous(0, 0);
164 atf_check_sbttous(0, 1);
165 atf_check_sbttous(1, (1ll << 32) / 1000000);
166 /* 1 second */
167 atf_check_sbttous(1000000, 1ll << 32);
168 atf_check_sbttous(1999999, (1ll << 33) - 1);
169 /* 2 seconds */
170 atf_check_sbttous(1999999, (1ll << 33) - 1);
171 atf_check_sbttous(2000000, 1ll << 33);
172 /* 4 seconds */
173 atf_check_sbttous(3999999, (1ll << 34) -1);
174 atf_check_sbttous(4000000, 1ll << 34);
175 /* Overflows (bug 263073) */
176 atf_check_sbttous(1ll << 31, (1ull << 63) / 1000000);
177 atf_check_sbttous(1ll << 31, (1ull << 63) / 1000000 + 1);
178 atf_check_sbttous((1ll << 31) * 1000000, (1ull << 63) - 1);
179 }
180
181 static void
atf_check_sbttoms(int64_t expected,sbintime_t sbt)182 atf_check_sbttoms(int64_t expected, sbintime_t sbt) {
183 int64_t actual = sbttoms(sbt);
184
185 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1,
186 "%"PRId64" != sbttoms(%"PRId64") (%"PRId64")",
187 expected, sbt, actual);
188 }
189
190 ATF_TC_WITHOUT_HEAD(sbttoms);
ATF_TC_BODY(sbttoms,tc)191 ATF_TC_BODY(sbttoms, tc)
192 {
193 atf_check_sbttoms(0, 0);
194 atf_check_sbttoms(0, 1);
195 atf_check_sbttoms(1, (1ll << 32) / 1000);
196 /* 1 second */
197 atf_check_sbttoms(999, (1ll << 32) - 1);
198 atf_check_sbttoms(1000, 1ll << 32);
199 /* 2 seconds */
200 atf_check_sbttoms(1999, (1ll << 33) - 1);
201 atf_check_sbttoms(2000, 1ll << 33);
202 /* 4 seconds */
203 atf_check_sbttoms(3999, (1ll << 34) - 1);
204 atf_check_sbttoms(4000, 1ll << 34);
205 /* Overflows (bug 263073) */
206 atf_check_sbttoms(1ll << 31, (1ull << 63) / 1000);
207 atf_check_sbttoms(1ll << 31, (1ull << 63) / 1000 + 1);
208 atf_check_sbttoms((1ll << 31) * 1000, (1ull << 63) - 1);
209 }
210
ATF_TP_ADD_TCS(tp)211 ATF_TP_ADD_TCS(tp)
212 {
213
214 ATF_TP_ADD_TC(tp, nstosbt);
215 ATF_TP_ADD_TC(tp, ustosbt);
216 ATF_TP_ADD_TC(tp, mstosbt);
217 ATF_TP_ADD_TC(tp, sbttons);
218 ATF_TP_ADD_TC(tp, sbttous);
219 ATF_TP_ADD_TC(tp, sbttoms);
220
221 return (atf_no_error());
222 }
223