tests/analog: add more tests for analog feed to float array conversion

[libsigrok.git] / tests / conv.c

diff --git a/tests/conv.c b/tests/conv.c
index f3e47a1319e602d3b84996c761b9a9b383e10efe..ecbe56190f32359556ce4a751a5b1862058103ab 100644 (file)
--- a/tests/conv.c
+++ b/tests/conv.c
@@ -28,6 +28,12 @@
 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)
 {
@@ -63,6 +69,148 @@ 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)
+{
+       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;
@@ -72,6 +220,10 @@ 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_write);
+       tcase_add_test(tc, test_endian_write_inc);
        suite_add_tcase(s, tc);
 
        return s;