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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 | }; | |
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 | }; | |
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 | }; | |
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 | ||
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 | ||
117 | START_TEST(test_endian_read_inc) | |
118 | { | |
119 | const uint8_t *p; | |
120 | ||
121 | p = &buff1234[0]; | |
122 | fail_unless(read_u8_inc(&p) == 0x11); | |
123 | fail_unless(read_u8_inc(&p) == 0x22); | |
124 | fail_unless(read_u8_inc(&p) == 0x33); | |
125 | fail_unless(p == &buff1234[3 * sizeof(uint8_t)]); | |
126 | ||
127 | p = &buff1234[0]; | |
128 | fail_unless(read_u16be_inc(&p) == 0x1122); | |
129 | fail_unless(read_u16be_inc(&p) == 0x3344); | |
130 | fail_unless(p == &buff1234[2 * sizeof(uint16_t)]); | |
131 | ||
132 | p = &buff1234[0]; | |
133 | fail_unless(read_u16le_inc(&p) == 0x2211); | |
134 | fail_unless(read_u16le_inc(&p) == 0x4433); | |
135 | fail_unless(p == &buff1234[2 * sizeof(uint16_t)]); | |
136 | ||
137 | p = &buff1234[0]; | |
138 | fail_unless(read_u24le_inc(&p) == 0x332211); | |
139 | fail_unless(read_u24le_inc(&p) == 0x665544); | |
140 | fail_unless(p == &buff1234[2 * 3 * sizeof(uint8_t)]); | |
141 | ||
142 | p = &buff1234[0]; | |
143 | fail_unless(read_u32be_inc(&p) == 0x11223344ul); | |
144 | fail_unless(read_u32be_inc(&p) == 0x55667788ul); | |
145 | fail_unless(p == &buff1234[2 * sizeof(uint32_t)]); | |
146 | ||
147 | p = &buff1234[0]; | |
148 | fail_unless(read_u32le_inc(&p) == 0x44332211ul); | |
149 | fail_unless(read_u32le_inc(&p) == 0x88776655ul); | |
150 | fail_unless(p == &buff1234[2 * sizeof(uint32_t)]); | |
151 | ||
152 | p = &buff1234[0]; | |
153 | fail_unless(read_u64be_inc(&p) == 0x1122334455667788); | |
154 | fail_unless(p == &buff1234[sizeof(uint64_t)]); | |
155 | ||
156 | p = &buff1234[0]; | |
157 | fail_unless(read_u64le_inc(&p) == 0x8877665544332211ull); | |
158 | fail_unless(p == &buff1234[sizeof(uint64_t)]); | |
159 | } | |
160 | END_TEST | |
161 | ||
162 | START_TEST(test_endian_write) | |
163 | { | |
164 | uint8_t buff[2 * sizeof(uint64_t)]; | |
165 | ||
166 | memset(buff, 0, sizeof(buff)); | |
167 | write_u8(&buff[0], 0x11); | |
168 | fail_unless(memcmp(&buff[0], &buff1234[0], sizeof(uint8_t)) == 0); | |
169 | ||
170 | memset(buff, 0, sizeof(buff)); | |
171 | write_u8(&buff[0], 0x22); | |
172 | write_u8(&buff[1], 0x33); | |
173 | write_u8(&buff[2], 0x44); | |
174 | write_u8(&buff[3], 0x55); | |
175 | fail_unless(memcmp(&buff[0], &buff1234[1], 4 * sizeof(uint8_t)) == 0); | |
176 | ||
177 | memset(buff, 0, sizeof(buff)); | |
178 | write_u16be(&buff[0 * sizeof(uint16_t)], 0x1122); | |
179 | write_u16be(&buff[1 * sizeof(uint16_t)], 0x3344); | |
180 | fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint16_t)) == 0); | |
181 | ||
182 | memset(buff, 0, sizeof(buff)); | |
183 | write_u16le(&buff[0 * sizeof(uint16_t)], 0x4433); | |
184 | write_u16le(&buff[1 * sizeof(uint16_t)], 0x6655); | |
185 | fail_unless(memcmp(&buff[0], &buff1234[2], 2 * sizeof(uint16_t)) == 0); | |
186 | ||
187 | memset(buff, 0, sizeof(buff)); | |
188 | write_u32be(&buff[0 * sizeof(uint32_t)], 0x11223344); | |
189 | write_u32be(&buff[1 * sizeof(uint32_t)], 0x55667788); | |
190 | fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint32_t)) == 0); | |
191 | ||
192 | memset(buff, 0, sizeof(buff)); | |
193 | write_u32le(&buff[0 * sizeof(uint32_t)], 0x44332211); | |
194 | write_u32le(&buff[1 * sizeof(uint32_t)], 0x88776655); | |
195 | fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint32_t)) == 0); | |
196 | ||
197 | memset(buff, 0, sizeof(buff)); | |
198 | write_fltbe(&buff[0], 8.125); | |
199 | fail_unless(memcmp(&buff[0], &buff8125fb[0], sizeof(float)) == 0); | |
200 | ||
201 | memset(buff, 0, sizeof(buff)); | |
202 | write_fltle(&buff[0], 8.125); | |
203 | fail_unless(memcmp(&buff[0], &buff8125fl[0], sizeof(float)) == 0); | |
204 | } | |
205 | END_TEST | |
206 | ||
207 | START_TEST(test_endian_write_inc) | |
208 | { | |
209 | uint8_t buff[3 * sizeof(uint64_t)]; | |
210 | uint8_t *p; | |
211 | size_t l; | |
212 | ||
213 | memset(buff, 0, sizeof(buff)); | |
214 | ||
215 | p = &buff[0]; | |
216 | write_u8_inc(&p, 0x11); | |
217 | write_u16be_inc(&p, 0x2233); | |
218 | write_u32be_inc(&p, 0x44556677); | |
219 | l = p - &buff[0]; | |
220 | fail_unless(l == sizeof(uint8_t) + sizeof(uint16_t) + sizeof(uint32_t)); | |
221 | fail_unless(memcmp(&buff[0], &buff1234[0], l) == 0); | |
222 | ||
223 | p = &buff[0]; | |
224 | write_u48le_inc(&p, 0x060504030201); | |
225 | write_u48le_inc(&p, 0x0c0b0a090807); | |
226 | write_u48le_inc(&p, 0x1211100f0e0d); | |
227 | write_u48le_inc(&p, 0x181716151413); | |
228 | l = p - &buff[0]; | |
229 | fail_unless(l == 4 * 48 / 8 * sizeof(uint8_t)); | |
230 | fail_unless(memcmp(&buff[0], &buff1234large[0], l) == 0); | |
231 | ||
232 | p = &buff[0]; | |
233 | write_u24le_inc(&p, 0xfe030201); | |
234 | write_u40le_inc(&p, 0xdcba0807060504ul); | |
235 | l = p - &buff[0]; | |
236 | fail_unless(l == 24 / 8 + 40 / 8); | |
237 | fail_unless(memcmp(&buff[0], &buff1234large[0], l) == 0); | |
238 | } | |
239 | END_TEST | |
240 | ||
241 | Suite *suite_conv(void) | |
242 | { | |
243 | Suite *s; | |
244 | TCase *tc; | |
245 | ||
246 | s = suite_create("conv"); | |
247 | ||
248 | tc = tcase_create("endian"); | |
249 | tcase_add_test(tc, test_endian_macro); | |
250 | tcase_add_test(tc, test_endian_read); | |
251 | tcase_add_test(tc, test_endian_read_inc); | |
252 | tcase_add_test(tc, test_endian_write); | |
253 | tcase_add_test(tc, test_endian_write_inc); | |
254 | suite_add_tcase(s, tc); | |
255 | ||
256 | return s; | |
257 | } |