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f2a9a7c2 GS |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2020 Gerhard Sittig <gerhard.sittig@gmx.net> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <config.h> | |
21 | #include <check.h> | |
22 | #include <libsigrok/libsigrok.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include "lib.h" | |
26 | #include "libsigrok-internal.h" | |
27 | ||
28 | static const uint8_t buff1234[] = { | |
29 | 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, | |
30 | }; | |
d770bfbb GS |
31 | static const uint8_t buff8125fb[] = { |
32 | 0x41, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
33 | }; | |
34 | static const uint8_t buff8125fl[] = { | |
35 | 0x00, 0x00, 0x02, 0x41, 0x00, 0x00, 0x00, 0x00, | |
36 | }; | |
f2a9a7c2 GS |
37 | |
38 | START_TEST(test_endian_macro) | |
39 | { | |
40 | const uint8_t *p8; | |
41 | const uint16_t *p16; | |
42 | const uint32_t *p32; | |
43 | ||
44 | p8 = (const void *)&buff1234[0]; | |
45 | fail_unless(R8(&p8[0]) == 0x11); | |
46 | fail_unless(R8(&p8[1]) == 0x22); | |
47 | fail_unless(R8(&p8[2]) == 0x33); | |
48 | fail_unless(R8(&p8[3]) == 0x44); | |
49 | ||
50 | p16 = (const void *)&buff1234[0]; | |
51 | fail_unless(RB16(&p16[0]) == 0x1122); | |
52 | fail_unless(RB16(&p16[1]) == 0x3344); | |
53 | ||
54 | p16 = (const void *)&buff1234[0]; | |
55 | fail_unless(RL16(&p16[0]) == 0x2211); | |
56 | fail_unless(RL16(&p16[1]) == 0x4433); | |
57 | ||
58 | p32 = (const void *)&buff1234[0]; | |
59 | fail_unless(RB32(&p32[0]) == 0x11223344); | |
60 | fail_unless(RB32(&p32[1]) == 0x55667788); | |
61 | ||
62 | p32 = (const void *)&buff1234[0]; | |
63 | fail_unless(RL32(&p32[0]) == 0x44332211); | |
64 | fail_unless(RL32(&p32[1]) == 0x88776655); | |
65 | ||
66 | p16 = (const void *)&buff1234[0]; | |
67 | fail_unless(RB16(p16++) == 0x1122); | |
68 | fail_unless(RB16(p16++) == 0x3344); | |
69 | } | |
70 | END_TEST | |
71 | ||
d770bfbb GS |
72 | START_TEST(test_endian_read) |
73 | { | |
74 | fail_unless(read_u8(&buff1234[0]) == 0x11); | |
75 | fail_unless(read_u8(&buff1234[3]) == 0x44); | |
76 | fail_unless(read_u8(&buff1234[7]) == 0x88); | |
77 | ||
78 | fail_unless(read_u16be(&buff1234[0]) == 0x1122); | |
79 | fail_unless(read_u16be(&buff1234[6]) == 0x7788); | |
80 | ||
81 | fail_unless(read_u16le(&buff1234[0]) == 0x2211); | |
82 | fail_unless(read_u16le(&buff1234[6]) == 0x8877); | |
83 | ||
84 | fail_unless(read_i16be(&buff1234[6]) == 0x7788); | |
85 | fail_unless(read_i16le(&buff1234[6]) == (int16_t)0x8877); | |
86 | ||
87 | fail_unless(read_u32be(&buff1234[0]) == 0x11223344); | |
88 | fail_unless(read_u32be(&buff1234[4]) == 0x55667788); | |
89 | ||
90 | fail_unless(read_u32le(&buff1234[0]) == 0x44332211); | |
91 | fail_unless(read_u32le(&buff1234[4]) == 0x88776655); | |
92 | ||
93 | fail_unless(read_i32be(&buff1234[0]) == 0x11223344); | |
94 | fail_unless(read_i32be(&buff1234[4]) == 0x55667788); | |
95 | fail_unless(read_i32le(&buff1234[4]) == (int32_t)0x88776655ull); | |
96 | ||
97 | fail_unless(read_u64be(&buff1234[0]) == 0x1122334455667788ull); | |
98 | fail_unless(read_u64le(&buff1234[0]) == 0x8877665544332211ull); | |
99 | fail_unless(read_i64be(&buff1234[0]) == 0x1122334455667788ull); | |
100 | fail_unless(read_i64le(&buff1234[0]) == (int64_t)0x8877665544332211ull); | |
101 | ||
102 | fail_unless(read_fltbe(&buff8125fb[0]) == 8.125); | |
103 | fail_unless(read_fltle(&buff8125fl[0]) == 8.125); | |
104 | } | |
105 | END_TEST | |
106 | ||
107 | START_TEST(test_endian_read_inc) | |
108 | { | |
109 | const uint8_t *p; | |
110 | ||
111 | p = &buff1234[0]; | |
112 | fail_unless(read_u8_inc(&p) == 0x11); | |
113 | fail_unless(read_u8_inc(&p) == 0x22); | |
114 | fail_unless(read_u8_inc(&p) == 0x33); | |
115 | fail_unless(p == &buff1234[3 * sizeof(uint8_t)]); | |
116 | ||
117 | p = &buff1234[0]; | |
118 | fail_unless(read_u16be_inc(&p) == 0x1122); | |
119 | fail_unless(read_u16be_inc(&p) == 0x3344); | |
120 | fail_unless(p == &buff1234[2 * sizeof(uint16_t)]); | |
121 | ||
122 | p = &buff1234[0]; | |
123 | fail_unless(read_u16le_inc(&p) == 0x2211); | |
124 | fail_unless(read_u16le_inc(&p) == 0x4433); | |
125 | fail_unless(p == &buff1234[2 * sizeof(uint16_t)]); | |
126 | ||
127 | p = &buff1234[0]; | |
128 | fail_unless(read_u24le_inc(&p) == 0x332211); | |
129 | fail_unless(read_u24le_inc(&p) == 0x665544); | |
130 | fail_unless(p == &buff1234[2 * 3 * sizeof(uint8_t)]); | |
131 | ||
132 | p = &buff1234[0]; | |
133 | fail_unless(read_u32be_inc(&p) == 0x11223344ul); | |
134 | fail_unless(read_u32be_inc(&p) == 0x55667788ul); | |
135 | fail_unless(p == &buff1234[2 * sizeof(uint32_t)]); | |
136 | ||
137 | p = &buff1234[0]; | |
138 | fail_unless(read_u32le_inc(&p) == 0x44332211ul); | |
139 | fail_unless(read_u32le_inc(&p) == 0x88776655ul); | |
140 | fail_unless(p == &buff1234[2 * sizeof(uint32_t)]); | |
141 | ||
142 | p = &buff1234[0]; | |
143 | fail_unless(read_u64be_inc(&p) == 0x1122334455667788); | |
144 | fail_unless(p == &buff1234[sizeof(uint64_t)]); | |
145 | ||
146 | p = &buff1234[0]; | |
147 | fail_unless(read_u64le_inc(&p) == 0x8877665544332211ull); | |
148 | fail_unless(p == &buff1234[sizeof(uint64_t)]); | |
149 | } | |
150 | END_TEST | |
151 | ||
152 | START_TEST(test_endian_write) | |
153 | { | |
154 | uint8_t buff[2 * sizeof(uint64_t)]; | |
155 | ||
156 | memset(buff, 0, sizeof(buff)); | |
157 | write_u8(&buff[0], 0x11); | |
158 | fail_unless(memcmp(&buff[0], &buff1234[0], sizeof(uint8_t)) == 0); | |
159 | ||
160 | memset(buff, 0, sizeof(buff)); | |
161 | write_u8(&buff[0], 0x22); | |
162 | write_u8(&buff[1], 0x33); | |
163 | write_u8(&buff[2], 0x44); | |
164 | write_u8(&buff[3], 0x55); | |
165 | fail_unless(memcmp(&buff[0], &buff1234[1], 4 * sizeof(uint8_t)) == 0); | |
166 | ||
167 | memset(buff, 0, sizeof(buff)); | |
168 | write_u16be(&buff[0 * sizeof(uint16_t)], 0x1122); | |
169 | write_u16be(&buff[1 * sizeof(uint16_t)], 0x3344); | |
170 | fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint16_t)) == 0); | |
171 | ||
172 | memset(buff, 0, sizeof(buff)); | |
173 | write_u16le(&buff[0 * sizeof(uint16_t)], 0x4433); | |
174 | write_u16le(&buff[1 * sizeof(uint16_t)], 0x6655); | |
175 | fail_unless(memcmp(&buff[0], &buff1234[2], 2 * sizeof(uint16_t)) == 0); | |
176 | ||
177 | memset(buff, 0, sizeof(buff)); | |
178 | write_u32be(&buff[0 * sizeof(uint32_t)], 0x11223344); | |
179 | write_u32be(&buff[1 * sizeof(uint32_t)], 0x55667788); | |
180 | fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint32_t)) == 0); | |
181 | ||
182 | memset(buff, 0, sizeof(buff)); | |
183 | write_u32le(&buff[0 * sizeof(uint32_t)], 0x44332211); | |
184 | write_u32le(&buff[1 * sizeof(uint32_t)], 0x88776655); | |
185 | fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint32_t)) == 0); | |
186 | ||
187 | memset(buff, 0, sizeof(buff)); | |
188 | write_fltbe(&buff[0], 8.125); | |
189 | fail_unless(memcmp(&buff[0], &buff8125fb[0], sizeof(float)) == 0); | |
190 | ||
191 | memset(buff, 0, sizeof(buff)); | |
192 | write_fltle(&buff[0], 8.125); | |
193 | fail_unless(memcmp(&buff[0], &buff8125fl[0], sizeof(float)) == 0); | |
194 | } | |
195 | END_TEST | |
196 | ||
197 | START_TEST(test_endian_write_inc) | |
198 | { | |
199 | uint8_t buff[2 * sizeof(uint64_t)]; | |
200 | uint8_t *p; | |
201 | size_t l; | |
202 | ||
203 | memset(buff, 0, sizeof(buff)); | |
204 | p = &buff[0]; | |
205 | write_u8_inc(&p, 0x11); | |
206 | write_u16be_inc(&p, 0x2233); | |
207 | write_u32be_inc(&p, 0x44556677); | |
208 | l = p - &buff[0]; | |
209 | fail_unless(l == sizeof(uint8_t) + sizeof(uint16_t) + sizeof(uint32_t)); | |
210 | fail_unless(memcmp(&buff[0], &buff1234[0], l) == 0); | |
211 | } | |
212 | END_TEST | |
213 | ||
f2a9a7c2 GS |
214 | Suite *suite_conv(void) |
215 | { | |
216 | Suite *s; | |
217 | TCase *tc; | |
218 | ||
219 | s = suite_create("conv"); | |
220 | ||
221 | tc = tcase_create("endian"); | |
222 | tcase_add_test(tc, test_endian_macro); | |
d770bfbb GS |
223 | tcase_add_test(tc, test_endian_read); |
224 | tcase_add_test(tc, test_endian_read_inc); | |
225 | tcase_add_test(tc, test_endian_write); | |
226 | tcase_add_test(tc, test_endian_write_inc); | |
f2a9a7c2 GS |
227 | suite_add_tcase(s, tc); |
228 | ||
229 | return s; | |
230 | } |