Hi Caleb,
On Fri, 19 Jul 2024 at 06:43, Caleb Connolly caleb.connolly@linaro.org wrote:
Add a test to check the version/variant bits of v4 and v5 UUIDs.
Signed-off-by: Caleb Connolly caleb.connolly@linaro.org
test/lib/uuid.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+)
diff --git a/test/lib/uuid.c b/test/lib/uuid.c index 2c6cfd42ddc3..63d36e120623 100644 --- a/test/lib/uuid.c +++ b/test/lib/uuid.c @@ -43,8 +43,44 @@ static int lib_test_uuid_to_le(struct unit_test_state *uts) }
LIB_TEST(lib_test_uuid_to_le, 0);
+/* Test UUID attribute bits (version, variant) */ +static int lib_test_uuid_bits(struct unit_test_state *uts) +{
unsigned char uuid[16];efi_guid_t guid;int i;/** Reduce the chance of a randomly generated UUID disguising* a regression by testing multiple times.*/for (i = 0; i < 5; i++) {/* Test UUID v4 */gen_rand_uuid((unsigned char *)&uuid);printf("v4 UUID: %pUb\n", (efi_guid_t *)uuid);ut_assert((uuid[6] & 0xf0) == 0x40); /* version 4 */
ut_asserteq(0x40, uuid[6] & 0xf0); /* version 4 */
save below
ut_assert((uuid[8] & UUID_VARIANT_MASK) == (UUID_VARIANT << UUID_VARIANT_SHIFT)); /* variant 1 */
check line length
/* Test v5, use the v4 UUID as the namespace */gen_v5_guid((struct uuid *)uuid,&guid, "test", 4, NULL);printf("v5 GUID: %pUl\n", (efi_guid_t *)uuid);/* This is a GUID so bits 6 and 7 are swapped (little endian) */ut_assert((guid.b[7] & 0xf0) == 0x50); /* version 5 */ut_assert((guid.b[8] & UUID_VARIANT_MASK) == (UUID_VARIANT << UUID_VARIANT_SHIFT)); /* variant 1 */}return 0;+}
+LIB_TEST(lib_test_uuid_bits, 0);
struct dynamic_uuid_test_data { const char *compatible; const u16 *images[4]; const char *expected_uuids[4];
-- 2.45.2
Regards, Simon