2 * This file is part of the libsigrok project.
4 * Copyright (C) 2020 Gerhard Sittig <gerhard.sittig@gmx.net>
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.
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.
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/>.
22 #include <libsigrok/libsigrok.h>
26 #include "libsigrok-internal.h"
28 static const uint8_t buff1234[] = {
29 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
31 static const uint8_t buff8125fb[] = {
32 0x41, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
34 static const uint8_t buff8125fl[] = {
35 0x00, 0x00, 0x02, 0x41, 0x00, 0x00, 0x00, 0x00,
38 START_TEST(test_endian_macro)
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);
50 p16 = (const void *)&buff1234[0];
51 fail_unless(RB16(&p16[0]) == 0x1122);
52 fail_unless(RB16(&p16[1]) == 0x3344);
54 p16 = (const void *)&buff1234[0];
55 fail_unless(RL16(&p16[0]) == 0x2211);
56 fail_unless(RL16(&p16[1]) == 0x4433);
58 p32 = (const void *)&buff1234[0];
59 fail_unless(RB32(&p32[0]) == 0x11223344);
60 fail_unless(RB32(&p32[1]) == 0x55667788);
62 p32 = (const void *)&buff1234[0];
63 fail_unless(RL32(&p32[0]) == 0x44332211);
64 fail_unless(RL32(&p32[1]) == 0x88776655);
66 p16 = (const void *)&buff1234[0];
67 fail_unless(RB16(p16++) == 0x1122);
68 fail_unless(RB16(p16++) == 0x3344);
72 START_TEST(test_endian_read)
74 fail_unless(read_u8(&buff1234[0]) == 0x11);
75 fail_unless(read_u8(&buff1234[3]) == 0x44);
76 fail_unless(read_u8(&buff1234[7]) == 0x88);
78 fail_unless(read_u16be(&buff1234[0]) == 0x1122);
79 fail_unless(read_u16be(&buff1234[6]) == 0x7788);
81 fail_unless(read_u16le(&buff1234[0]) == 0x2211);
82 fail_unless(read_u16le(&buff1234[6]) == 0x8877);
84 fail_unless(read_i16be(&buff1234[6]) == 0x7788);
85 fail_unless(read_i16le(&buff1234[6]) == (int16_t)0x8877);
87 fail_unless(read_u32be(&buff1234[0]) == 0x11223344);
88 fail_unless(read_u32be(&buff1234[4]) == 0x55667788);
90 fail_unless(read_u32le(&buff1234[0]) == 0x44332211);
91 fail_unless(read_u32le(&buff1234[4]) == 0x88776655);
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);
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);
102 fail_unless(read_fltbe(&buff8125fb[0]) == 8.125);
103 fail_unless(read_fltle(&buff8125fl[0]) == 8.125);
107 START_TEST(test_endian_read_inc)
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)]);
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)]);
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)]);
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)]);
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)]);
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)]);
143 fail_unless(read_u64be_inc(&p) == 0x1122334455667788);
144 fail_unless(p == &buff1234[sizeof(uint64_t)]);
147 fail_unless(read_u64le_inc(&p) == 0x8877665544332211ull);
148 fail_unless(p == &buff1234[sizeof(uint64_t)]);
152 START_TEST(test_endian_write)
154 uint8_t buff[2 * sizeof(uint64_t)];
156 memset(buff, 0, sizeof(buff));
157 write_u8(&buff[0], 0x11);
158 fail_unless(memcmp(&buff[0], &buff1234[0], sizeof(uint8_t)) == 0);
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);
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);
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);
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);
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);
187 memset(buff, 0, sizeof(buff));
188 write_fltbe(&buff[0], 8.125);
189 fail_unless(memcmp(&buff[0], &buff8125fb[0], sizeof(float)) == 0);
191 memset(buff, 0, sizeof(buff));
192 write_fltle(&buff[0], 8.125);
193 fail_unless(memcmp(&buff[0], &buff8125fl[0], sizeof(float)) == 0);
197 START_TEST(test_endian_write_inc)
199 uint8_t buff[2 * sizeof(uint64_t)];
203 memset(buff, 0, sizeof(buff));
205 write_u8_inc(&p, 0x11);
206 write_u16be_inc(&p, 0x2233);
207 write_u32be_inc(&p, 0x44556677);
209 fail_unless(l == sizeof(uint8_t) + sizeof(uint16_t) + sizeof(uint32_t));
210 fail_unless(memcmp(&buff[0], &buff1234[0], l) == 0);
214 Suite *suite_conv(void)
219 s = suite_create("conv");
221 tc = tcase_create("endian");
222 tcase_add_test(tc, test_endian_macro);
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);
227 suite_add_tcase(s, tc);