void test_u32_to_le(void) {
do_test();
{
uint32_t val = 0x0102;
uint32_t le_val = u32_to_le(val);
#ifdef FANGFS_LITTLE_ENDIAN
verify(le_val == val);
#elif FANGFS_BIG_ENDIAN
verify(le_val != val);
#endif
}
{
uint8_t bytes[4] = { 0x02, 0x01, 0x00, 0x00 };
uint32_t val = u32_to_le(0x0102);
verify(memcmp(bytes, &val, sizeof(val)) == 0);
}
}
static int t32_bit(int verbose) {
uint8_t buf[9];
size_t i;
int errors = 0;
for (i = 0; i < NELE(tests_32_bit); i++) {
uint32_t u32;
int32_t i32;
if (verbose) {
fprintf(stderr, "%s %11"PRId32" %11"PRIu32"\n",
to_hex(tests_32_bit[i].u8, 4),
tests_32_bit[i].i32, tests_32_bit[i].u32);
}
u32 = le_to_u32(tests_32_bit[i].u8);
if (u32 != tests_32_bit[i].u32) {
fprintf(stderr, "Failed %s => %"PRIu32"; expected %"PRIu32"\n",
to_hex(tests_32_bit[i].u8, 4), u32, tests_32_bit[i].u32);
errors++;
}
i32 = le_to_i32(tests_32_bit[i].u8);
if (i32 != tests_32_bit[i].i32) {
fprintf(stderr, "Failed %s => %"PRId32"; expected %"PRId32"\n",
to_hex(tests_32_bit[i].u8, 4), i32, tests_32_bit[i].i32);
errors++;
}
u32 = le_to_u32(tests_32_bit[i].u8_unaligned + 1);
if (u32 != tests_32_bit[i].u32) {
fprintf(stderr,
"Failed unaligned %s => %"PRIu32"; expected %"PRIu32"\n",
to_hex(tests_32_bit[i].u8_unaligned + 1, 4),
u32, tests_32_bit[i].u32);
errors++;
}
i32 = le_to_i32(tests_32_bit[i].u8_unaligned + 1);
if (i32 != tests_32_bit[i].i32) {
fprintf(stderr,
"Failed unaligned %s => %"PRId32"; expected %"PRId32"\n",
to_hex(tests_32_bit[i].u8_unaligned + 1, 4),
i32, tests_32_bit[i].i32);
errors++;
}
u32_to_le(tests_32_bit[i].u32, buf);
if (memcmp(buf, tests_32_bit[i].u8, 4) != 0) {
fprintf(stderr, "Failed %"PRIu32" => %s; expected %s\n",
tests_32_bit[i].u32,
to_hex(buf, 4), to_hex(tests_32_bit[i].u8, 4));
errors++;
}
i32_to_le(tests_32_bit[i].i32, buf);
if (memcmp(buf, tests_32_bit[i].u8, 4) != 0) {
fprintf(stderr, "Failed %"PRId32" => %s; expected %s\n",
tests_32_bit[i].i32,
to_hex(buf, 4), to_hex(tests_32_bit[i].u8, 4));
errors++;
}
u32_to_le(tests_32_bit[i].u32, buf + 1);
if (memcmp(buf + 1, tests_32_bit[i].u8, 4) != 0) {
fprintf(stderr, "Failed unaligned %"PRIu32" => %s; expected %s\n",
tests_32_bit[i].u32,
to_hex(buf + 1, 4), to_hex(tests_32_bit[i].u8, 4));
errors++;
}
i32_to_le(tests_32_bit[i].i32, buf + 1);
if (memcmp(buf + 1, tests_32_bit[i].u8, 4) != 0) {
fprintf(stderr, "Failed unaligned %"PRId32" => %s; expected %s\n",
tests_32_bit[i].i32,
to_hex(buf + 1, 4), to_hex(tests_32_bit[i].u8, 4));
errors++;
}
}
return errors;
}
