[libsigrok.git] / tests / conv.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2020 Gerhard Sittig <gerhard.sittig@gmx.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>
#include <check.h>
#include <libsigrok/libsigrok.h>
#include <stdlib.h>
#include <string.h>
#include "lib.h"
#include "libsigrok-internal.h"

static const uint8_t buff1234[] = {
	0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
};
static const uint8_t buff8125fb[] = {
	0x41, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const uint8_t buff8125fl[] = {
	0x00, 0x00, 0x02, 0x41, 0x00, 0x00, 0x00, 0x00,
};

START_TEST(test_endian_macro)
{
	const uint8_t *p8;
	const uint16_t *p16;
	const uint32_t *p32;

	p8 = (const void *)&buff1234[0];
	fail_unless(R8(&p8[0]) == 0x11);
	fail_unless(R8(&p8[1]) == 0x22);
	fail_unless(R8(&p8[2]) == 0x33);
	fail_unless(R8(&p8[3]) == 0x44);

	p16 = (const void *)&buff1234[0];
	fail_unless(RB16(&p16[0]) == 0x1122);
	fail_unless(RB16(&p16[1]) == 0x3344);

	p16 = (const void *)&buff1234[0];
	fail_unless(RL16(&p16[0]) == 0x2211);
	fail_unless(RL16(&p16[1]) == 0x4433);

	p32 = (const void *)&buff1234[0];
	fail_unless(RB32(&p32[0]) == 0x11223344);
	fail_unless(RB32(&p32[1]) == 0x55667788);

	p32 = (const void *)&buff1234[0];
	fail_unless(RL32(&p32[0]) == 0x44332211);
	fail_unless(RL32(&p32[1]) == 0x88776655);

	p16 = (const void *)&buff1234[0];
	fail_unless(RB16(p16++) == 0x1122);
	fail_unless(RB16(p16++) == 0x3344);
}
END_TEST

START_TEST(test_endian_read)
{
	fail_unless(read_u8(&buff1234[0]) == 0x11);
	fail_unless(read_u8(&buff1234[3]) == 0x44);
	fail_unless(read_u8(&buff1234[7]) == 0x88);

	fail_unless(read_u16be(&buff1234[0]) == 0x1122);
	fail_unless(read_u16be(&buff1234[6]) == 0x7788);

	fail_unless(read_u16le(&buff1234[0]) == 0x2211);
	fail_unless(read_u16le(&buff1234[6]) == 0x8877);

	fail_unless(read_i16be(&buff1234[6]) == 0x7788);
	fail_unless(read_i16le(&buff1234[6]) == (int16_t)0x8877);

	fail_unless(read_u32be(&buff1234[0]) == 0x11223344);
	fail_unless(read_u32be(&buff1234[4]) == 0x55667788);

	fail_unless(read_u32le(&buff1234[0]) == 0x44332211);
	fail_unless(read_u32le(&buff1234[4]) == 0x88776655);

	fail_unless(read_i32be(&buff1234[0]) == 0x11223344);
	fail_unless(read_i32be(&buff1234[4]) == 0x55667788);
	fail_unless(read_i32le(&buff1234[4]) == (int32_t)0x88776655ull);

	fail_unless(read_u64be(&buff1234[0]) == 0x1122334455667788ull);
	fail_unless(read_u64le(&buff1234[0]) == 0x8877665544332211ull);
	fail_unless(read_i64be(&buff1234[0]) == 0x1122334455667788ull);
	fail_unless(read_i64le(&buff1234[0]) == (int64_t)0x8877665544332211ull);

	fail_unless(read_fltbe(&buff8125fb[0]) == 8.125);
	fail_unless(read_fltle(&buff8125fl[0]) == 8.125);
}
END_TEST

START_TEST(test_endian_read_inc)
{
	const uint8_t *p;

	p = &buff1234[0];
	fail_unless(read_u8_inc(&p) == 0x11);
	fail_unless(read_u8_inc(&p) == 0x22);
	fail_unless(read_u8_inc(&p) == 0x33);
	fail_unless(p == &buff1234[3 * sizeof(uint8_t)]);

	p = &buff1234[0];
	fail_unless(read_u16be_inc(&p) == 0x1122);
	fail_unless(read_u16be_inc(&p) == 0x3344);
	fail_unless(p == &buff1234[2 * sizeof(uint16_t)]);

	p = &buff1234[0];
	fail_unless(read_u16le_inc(&p) == 0x2211);
	fail_unless(read_u16le_inc(&p) == 0x4433);
	fail_unless(p == &buff1234[2 * sizeof(uint16_t)]);

	p = &buff1234[0];
	fail_unless(read_u24le_inc(&p) == 0x332211);
	fail_unless(read_u24le_inc(&p) == 0x665544);
	fail_unless(p == &buff1234[2 * 3 * sizeof(uint8_t)]);

	p = &buff1234[0];
	fail_unless(read_u32be_inc(&p) == 0x11223344ul);
	fail_unless(read_u32be_inc(&p) == 0x55667788ul);
	fail_unless(p == &buff1234[2 * sizeof(uint32_t)]);

	p = &buff1234[0];
	fail_unless(read_u32le_inc(&p) == 0x44332211ul);
	fail_unless(read_u32le_inc(&p) == 0x88776655ul);
	fail_unless(p == &buff1234[2 * sizeof(uint32_t)]);

	p = &buff1234[0];
	fail_unless(read_u64be_inc(&p) == 0x1122334455667788);
	fail_unless(p == &buff1234[sizeof(uint64_t)]);

	p = &buff1234[0];
	fail_unless(read_u64le_inc(&p) == 0x8877665544332211ull);
	fail_unless(p == &buff1234[sizeof(uint64_t)]);
}
END_TEST

START_TEST(test_endian_write)
{
	uint8_t buff[2 * sizeof(uint64_t)];

	memset(buff, 0, sizeof(buff));
	write_u8(&buff[0], 0x11);
	fail_unless(memcmp(&buff[0], &buff1234[0], sizeof(uint8_t)) == 0);

	memset(buff, 0, sizeof(buff));
	write_u8(&buff[0], 0x22);
	write_u8(&buff[1], 0x33);
	write_u8(&buff[2], 0x44);
	write_u8(&buff[3], 0x55);
	fail_unless(memcmp(&buff[0], &buff1234[1], 4 * sizeof(uint8_t)) == 0);

	memset(buff, 0, sizeof(buff));
	write_u16be(&buff[0 * sizeof(uint16_t)], 0x1122);
	write_u16be(&buff[1 * sizeof(uint16_t)], 0x3344);
	fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint16_t)) == 0);

	memset(buff, 0, sizeof(buff));
	write_u16le(&buff[0 * sizeof(uint16_t)], 0x4433);
	write_u16le(&buff[1 * sizeof(uint16_t)], 0x6655);
	fail_unless(memcmp(&buff[0], &buff1234[2], 2 * sizeof(uint16_t)) == 0);

	memset(buff, 0, sizeof(buff));
	write_u32be(&buff[0 * sizeof(uint32_t)], 0x11223344);
	write_u32be(&buff[1 * sizeof(uint32_t)], 0x55667788);
	fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint32_t)) == 0);

	memset(buff, 0, sizeof(buff));
	write_u32le(&buff[0 * sizeof(uint32_t)], 0x44332211);
	write_u32le(&buff[1 * sizeof(uint32_t)], 0x88776655);
	fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint32_t)) == 0);

	memset(buff, 0, sizeof(buff));
	write_fltbe(&buff[0], 8.125);
	fail_unless(memcmp(&buff[0], &buff8125fb[0], sizeof(float)) == 0);

	memset(buff, 0, sizeof(buff));
	write_fltle(&buff[0], 8.125);
	fail_unless(memcmp(&buff[0], &buff8125fl[0], sizeof(float)) == 0);
}
END_TEST

START_TEST(test_endian_write_inc)
{
	uint8_t buff[2 * sizeof(uint64_t)];
	uint8_t *p;
	size_t l;

	memset(buff, 0, sizeof(buff));
	p = &buff[0];
	write_u8_inc(&p, 0x11);
	write_u16be_inc(&p, 0x2233);
	write_u32be_inc(&p, 0x44556677);
	l = p - &buff[0];
	fail_unless(l == sizeof(uint8_t) + sizeof(uint16_t) + sizeof(uint32_t));
	fail_unless(memcmp(&buff[0], &buff1234[0], l) == 0);
}
END_TEST

Suite *suite_conv(void)
{
	Suite *s;
	TCase *tc;

	s = suite_create("conv");

	tc = tcase_create("endian");
	tcase_add_test(tc, test_endian_macro);
	tcase_add_test(tc, test_endian_read);
	tcase_add_test(tc, test_endian_read_inc);
	tcase_add_test(tc, test_endian_write);
	tcase_add_test(tc, test_endian_write_inc);
	suite_add_tcase(s, tc);

	return s;
}
Commit	Line	Data
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	}