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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 | }; | |
8f87c528 GS |
37 | static const uint8_t buff1234large[] = { |
38 | 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, | |
39 | 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, | |
40 | 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, | |
41 | 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, | |
42 | 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, | |
43 | 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, | |
44 | 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, | |
45 | 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, | |
46 | }; | |
f2a9a7c2 GS |
47 | |
48 | START_TEST(test_endian_macro) | |
49 | { | |
50 | const uint8_t *p8; | |
51 | const uint16_t *p16; | |
52 | const uint32_t *p32; | |
53 | ||
54 | p8 = (const void *)&buff1234[0]; | |
55 | fail_unless(R8(&p8[0]) == 0x11); | |
56 | fail_unless(R8(&p8[1]) == 0x22); | |
57 | fail_unless(R8(&p8[2]) == 0x33); | |
58 | fail_unless(R8(&p8[3]) == 0x44); | |
59 | ||
60 | p16 = (const void *)&buff1234[0]; | |
61 | fail_unless(RB16(&p16[0]) == 0x1122); | |
62 | fail_unless(RB16(&p16[1]) == 0x3344); | |
63 | ||
64 | p16 = (const void *)&buff1234[0]; | |
65 | fail_unless(RL16(&p16[0]) == 0x2211); | |
66 | fail_unless(RL16(&p16[1]) == 0x4433); | |
67 | ||
68 | p32 = (const void *)&buff1234[0]; | |
69 | fail_unless(RB32(&p32[0]) == 0x11223344); | |
70 | fail_unless(RB32(&p32[1]) == 0x55667788); | |
71 | ||
72 | p32 = (const void *)&buff1234[0]; | |
73 | fail_unless(RL32(&p32[0]) == 0x44332211); | |
74 | fail_unless(RL32(&p32[1]) == 0x88776655); | |
75 | ||
76 | p16 = (const void *)&buff1234[0]; | |
77 | fail_unless(RB16(p16++) == 0x1122); | |
78 | fail_unless(RB16(p16++) == 0x3344); | |
79 | } | |
80 | END_TEST | |
81 | ||
d770bfbb GS |
82 | START_TEST(test_endian_read) |
83 | { | |
84 | fail_unless(read_u8(&buff1234[0]) == 0x11); | |
85 | fail_unless(read_u8(&buff1234[3]) == 0x44); | |
86 | fail_unless(read_u8(&buff1234[7]) == 0x88); | |
87 | ||
88 | fail_unless(read_u16be(&buff1234[0]) == 0x1122); | |
89 | fail_unless(read_u16be(&buff1234[6]) == 0x7788); | |
90 | ||
91 | fail_unless(read_u16le(&buff1234[0]) == 0x2211); | |
92 | fail_unless(read_u16le(&buff1234[6]) == 0x8877); | |
93 | ||
94 | fail_unless(read_i16be(&buff1234[6]) == 0x7788); | |
95 | fail_unless(read_i16le(&buff1234[6]) == (int16_t)0x8877); | |
96 | ||
97 | fail_unless(read_u32be(&buff1234[0]) == 0x11223344); | |
98 | fail_unless(read_u32be(&buff1234[4]) == 0x55667788); | |
99 | ||
100 | fail_unless(read_u32le(&buff1234[0]) == 0x44332211); | |
101 | fail_unless(read_u32le(&buff1234[4]) == 0x88776655); | |
102 | ||
103 | fail_unless(read_i32be(&buff1234[0]) == 0x11223344); | |
104 | fail_unless(read_i32be(&buff1234[4]) == 0x55667788); | |
105 | fail_unless(read_i32le(&buff1234[4]) == (int32_t)0x88776655ull); | |
106 | ||
107 | fail_unless(read_u64be(&buff1234[0]) == 0x1122334455667788ull); | |
108 | fail_unless(read_u64le(&buff1234[0]) == 0x8877665544332211ull); | |
109 | fail_unless(read_i64be(&buff1234[0]) == 0x1122334455667788ull); | |
110 | fail_unless(read_i64le(&buff1234[0]) == (int64_t)0x8877665544332211ull); | |
111 | ||
112 | fail_unless(read_fltbe(&buff8125fb[0]) == 8.125); | |
113 | fail_unless(read_fltle(&buff8125fl[0]) == 8.125); | |
114 | } | |
115 | END_TEST | |
116 | ||
0c7c6a1d GS |
117 | START_TEST(test_endian_read_inc_len) |
118 | { | |
119 | const uint8_t *p; | |
120 | size_t l; | |
121 | ||
122 | /* Position to the start of the input stream. */ | |
123 | p = &buff1234[0]; | |
124 | l = sizeof(buff1234); | |
125 | ||
126 | /* Read several fields of known type and values. */ | |
127 | fail_unless(l == 8); | |
128 | fail_unless(read_u8_inc_len(&p, &l) == 0x11); | |
129 | fail_unless(l == 7); | |
130 | fail_unless(read_u8_inc_len(&p, &l) == 0x22); | |
131 | fail_unless(l == 6); | |
132 | fail_unless(read_u16le_inc_len(&p, &l) == 0x4433); | |
133 | fail_unless(l == 4); | |
134 | fail_unless(read_u16le_inc_len(&p, &l) == 0x6655); | |
135 | fail_unless(l == 2); | |
136 | fail_unless(read_u16le_inc_len(&p, &l) == 0x8877); | |
137 | fail_unless(l == 0); | |
138 | ||
139 | /* Read beyond the end of the input stream. */ | |
140 | fail_unless(read_u8_inc_len(&p, &l) == 0x0); | |
141 | fail_unless(l == 0); | |
142 | fail_unless(read_u16le_inc_len(&p, &l) == 0x0); | |
143 | fail_unless(l == 0); | |
144 | } | |
145 | END_TEST | |
146 | ||
d770bfbb GS |
147 | START_TEST(test_endian_read_inc) |
148 | { | |
149 | const uint8_t *p; | |
150 | ||
151 | p = &buff1234[0]; | |
152 | fail_unless(read_u8_inc(&p) == 0x11); | |
153 | fail_unless(read_u8_inc(&p) == 0x22); | |
154 | fail_unless(read_u8_inc(&p) == 0x33); | |
155 | fail_unless(p == &buff1234[3 * sizeof(uint8_t)]); | |
156 | ||
157 | p = &buff1234[0]; | |
158 | fail_unless(read_u16be_inc(&p) == 0x1122); | |
159 | fail_unless(read_u16be_inc(&p) == 0x3344); | |
160 | fail_unless(p == &buff1234[2 * sizeof(uint16_t)]); | |
161 | ||
162 | p = &buff1234[0]; | |
163 | fail_unless(read_u16le_inc(&p) == 0x2211); | |
164 | fail_unless(read_u16le_inc(&p) == 0x4433); | |
165 | fail_unless(p == &buff1234[2 * sizeof(uint16_t)]); | |
166 | ||
167 | p = &buff1234[0]; | |
168 | fail_unless(read_u24le_inc(&p) == 0x332211); | |
169 | fail_unless(read_u24le_inc(&p) == 0x665544); | |
170 | fail_unless(p == &buff1234[2 * 3 * sizeof(uint8_t)]); | |
171 | ||
172 | p = &buff1234[0]; | |
173 | fail_unless(read_u32be_inc(&p) == 0x11223344ul); | |
174 | fail_unless(read_u32be_inc(&p) == 0x55667788ul); | |
175 | fail_unless(p == &buff1234[2 * sizeof(uint32_t)]); | |
176 | ||
177 | p = &buff1234[0]; | |
178 | fail_unless(read_u32le_inc(&p) == 0x44332211ul); | |
179 | fail_unless(read_u32le_inc(&p) == 0x88776655ul); | |
180 | fail_unless(p == &buff1234[2 * sizeof(uint32_t)]); | |
181 | ||
182 | p = &buff1234[0]; | |
183 | fail_unless(read_u64be_inc(&p) == 0x1122334455667788); | |
184 | fail_unless(p == &buff1234[sizeof(uint64_t)]); | |
185 | ||
186 | p = &buff1234[0]; | |
187 | fail_unless(read_u64le_inc(&p) == 0x8877665544332211ull); | |
188 | fail_unless(p == &buff1234[sizeof(uint64_t)]); | |
189 | } | |
190 | END_TEST | |
191 | ||
192 | START_TEST(test_endian_write) | |
193 | { | |
194 | uint8_t buff[2 * sizeof(uint64_t)]; | |
195 | ||
196 | memset(buff, 0, sizeof(buff)); | |
197 | write_u8(&buff[0], 0x11); | |
198 | fail_unless(memcmp(&buff[0], &buff1234[0], sizeof(uint8_t)) == 0); | |
199 | ||
200 | memset(buff, 0, sizeof(buff)); | |
201 | write_u8(&buff[0], 0x22); | |
202 | write_u8(&buff[1], 0x33); | |
203 | write_u8(&buff[2], 0x44); | |
204 | write_u8(&buff[3], 0x55); | |
205 | fail_unless(memcmp(&buff[0], &buff1234[1], 4 * sizeof(uint8_t)) == 0); | |
206 | ||
207 | memset(buff, 0, sizeof(buff)); | |
208 | write_u16be(&buff[0 * sizeof(uint16_t)], 0x1122); | |
209 | write_u16be(&buff[1 * sizeof(uint16_t)], 0x3344); | |
210 | fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint16_t)) == 0); | |
211 | ||
212 | memset(buff, 0, sizeof(buff)); | |
213 | write_u16le(&buff[0 * sizeof(uint16_t)], 0x4433); | |
214 | write_u16le(&buff[1 * sizeof(uint16_t)], 0x6655); | |
215 | fail_unless(memcmp(&buff[0], &buff1234[2], 2 * sizeof(uint16_t)) == 0); | |
216 | ||
217 | memset(buff, 0, sizeof(buff)); | |
218 | write_u32be(&buff[0 * sizeof(uint32_t)], 0x11223344); | |
219 | write_u32be(&buff[1 * sizeof(uint32_t)], 0x55667788); | |
220 | fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint32_t)) == 0); | |
221 | ||
222 | memset(buff, 0, sizeof(buff)); | |
223 | write_u32le(&buff[0 * sizeof(uint32_t)], 0x44332211); | |
224 | write_u32le(&buff[1 * sizeof(uint32_t)], 0x88776655); | |
225 | fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint32_t)) == 0); | |
226 | ||
227 | memset(buff, 0, sizeof(buff)); | |
228 | write_fltbe(&buff[0], 8.125); | |
229 | fail_unless(memcmp(&buff[0], &buff8125fb[0], sizeof(float)) == 0); | |
230 | ||
231 | memset(buff, 0, sizeof(buff)); | |
232 | write_fltle(&buff[0], 8.125); | |
233 | fail_unless(memcmp(&buff[0], &buff8125fl[0], sizeof(float)) == 0); | |
234 | } | |
235 | END_TEST | |
236 | ||
237 | START_TEST(test_endian_write_inc) | |
238 | { | |
df98afc6 | 239 | uint8_t buff[3 * sizeof(uint64_t)]; |
d770bfbb GS |
240 | uint8_t *p; |
241 | size_t l; | |
242 | ||
243 | memset(buff, 0, sizeof(buff)); | |
8f87c528 | 244 | |
d770bfbb GS |
245 | p = &buff[0]; |
246 | write_u8_inc(&p, 0x11); | |
247 | write_u16be_inc(&p, 0x2233); | |
248 | write_u32be_inc(&p, 0x44556677); | |
249 | l = p - &buff[0]; | |
250 | fail_unless(l == sizeof(uint8_t) + sizeof(uint16_t) + sizeof(uint32_t)); | |
251 | fail_unless(memcmp(&buff[0], &buff1234[0], l) == 0); | |
8f87c528 GS |
252 | |
253 | p = &buff[0]; | |
254 | write_u48le_inc(&p, 0x060504030201); | |
255 | write_u48le_inc(&p, 0x0c0b0a090807); | |
256 | write_u48le_inc(&p, 0x1211100f0e0d); | |
257 | write_u48le_inc(&p, 0x181716151413); | |
258 | l = p - &buff[0]; | |
259 | fail_unless(l == 4 * 48 / 8 * sizeof(uint8_t)); | |
260 | fail_unless(memcmp(&buff[0], &buff1234large[0], l) == 0); | |
1e389eb7 GS |
261 | |
262 | p = &buff[0]; | |
263 | write_u24le_inc(&p, 0xfe030201); | |
264 | write_u40le_inc(&p, 0xdcba0807060504ul); | |
265 | l = p - &buff[0]; | |
266 | fail_unless(l == 24 / 8 + 40 / 8); | |
267 | fail_unless(memcmp(&buff[0], &buff1234large[0], l) == 0); | |
d770bfbb GS |
268 | } |
269 | END_TEST | |
270 | ||
f2a9a7c2 GS |
271 | Suite *suite_conv(void) |
272 | { | |
273 | Suite *s; | |
274 | TCase *tc; | |
275 | ||
276 | s = suite_create("conv"); | |
277 | ||
278 | tc = tcase_create("endian"); | |
279 | tcase_add_test(tc, test_endian_macro); | |
d770bfbb GS |
280 | tcase_add_test(tc, test_endian_read); |
281 | tcase_add_test(tc, test_endian_read_inc); | |
0c7c6a1d | 282 | tcase_add_test(tc, test_endian_read_inc_len); |
d770bfbb GS |
283 | tcase_add_test(tc, test_endian_write); |
284 | tcase_add_test(tc, test_endian_write_inc); | |
f2a9a7c2 GS |
285 | suite_add_tcase(s, tc); |
286 | ||
287 | return s; | |
288 | } |