X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=tests%2Fconv.c;h=788c36728c37723581e3edc2a3825409458ce989;hp=f3e47a1319e602d3b84996c761b9a9b383e10efe;hb=HEAD;hpb=f2a9a7c2c8a5fe18b2bb8dcfbfba109c8356b526

diff --git a/tests/conv.c b/tests/conv.c
index f3e47a13..788c3672 100644
--- a/tests/conv.c
+++ b/tests/conv.c
@@ -28,6 +28,22 @@
 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,
+};
+static const uint8_t buff1234large[] = {
+	0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
+	0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
+	0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
+	0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
+	0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
+	0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
+	0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
+	0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40,
+};
 
 START_TEST(test_endian_macro)
 {
@@ -63,6 +79,195 @@ START_TEST(test_endian_macro)
 }
 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_len)
+{
+	const uint8_t *p;
+	size_t l;
+
+	/* Position to the start of the input stream. */
+	p = &buff1234[0];
+	l = sizeof(buff1234);
+
+	/* Read several fields of known type and values. */
+	fail_unless(l == 8);
+	fail_unless(read_u8_inc_len(&p, &l) == 0x11);
+	fail_unless(l == 7);
+	fail_unless(read_u8_inc_len(&p, &l) == 0x22);
+	fail_unless(l == 6);
+	fail_unless(read_u16le_inc_len(&p, &l) == 0x4433);
+	fail_unless(l == 4);
+	fail_unless(read_u16le_inc_len(&p, &l) == 0x6655);
+	fail_unless(l == 2);
+	fail_unless(read_u16le_inc_len(&p, &l) == 0x8877);
+	fail_unless(l == 0);
+
+	/* Read beyond the end of the input stream. */
+	fail_unless(read_u8_inc_len(&p, &l) == 0x0);
+	fail_unless(l == 0);
+	fail_unless(read_u16le_inc_len(&p, &l) == 0x0);
+	fail_unless(l == 0);
+}
+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[3 * 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);
+
+	p = &buff[0];
+	write_u48le_inc(&p, 0x060504030201);
+	write_u48le_inc(&p, 0x0c0b0a090807);
+	write_u48le_inc(&p, 0x1211100f0e0d);
+	write_u48le_inc(&p, 0x181716151413);
+	l = p - &buff[0];
+	fail_unless(l == 4 * 48 / 8 * sizeof(uint8_t));
+	fail_unless(memcmp(&buff[0], &buff1234large[0], l) == 0);
+
+	p = &buff[0];
+	write_u24le_inc(&p, 0xfe030201);
+	write_u40le_inc(&p, 0xdcba0807060504ul);
+	l = p - &buff[0];
+	fail_unless(l == 24 / 8 + 40 / 8);
+	fail_unless(memcmp(&buff[0], &buff1234large[0], l) == 0);
+}
+END_TEST
+
 Suite *suite_conv(void)
 {
 	Suite *s;
@@ -72,6 +277,11 @@ Suite *suite_conv(void)
 
 	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_read_inc_len);
+	tcase_add_test(tc, test_endian_write);
+	tcase_add_test(tc, test_endian_write_inc);
 	suite_add_tcase(s, tc);
 
 	return s;