lib: uuid: introduce testcase for uuid_str_to_le_bin

provide a test case

Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>

MAINTAINERS

@@ -1634,3 +1634,8 @@ S:	Maintained
 F:	arch/arm/dts/ls1021a-twr-u-boot.dtsi
 F:	drivers/crypto/fsl/
 F:	include/fsl_sec.h
+
+UUID testing
+M:	Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
+S:	Maintained
+F:	test/lib/uuid.c

test/lib/Makefile

@@ -22,6 +22,7 @@ obj-$(CONFIG_AES) += test_aes.o
 obj-$(CONFIG_GETOPT) += getopt.o
 obj-$(CONFIG_CRC8) += test_crc8.o
 obj-$(CONFIG_UT_LIB_CRYPT) += test_crypt.o
+obj-$(CONFIG_LIB_UUID) += uuid.o
 else
 obj-$(CONFIG_SANDBOX) += kconfig_spl.o
 endif

test/lib/uuid.c

@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Functional tests for UCLASS_FFA  class
+ *
+ * Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+ *
+ * Authors:
+ *   Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
+ */
+
+#include <common.h>
+#include <uuid.h>
+#include <test/lib.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+/* test UUID */
+#define TEST_SVC_UUID	"ed32d533-4209-99e6-2d72-cdd998a79cc0"
+
+#define UUID_SIZE 16
+
+/* The UUID binary data (little-endian format) */
+static const u8 ref_uuid_bin[UUID_SIZE] = {
+	0x33, 0xd5, 0x32, 0xed,
+	0x09, 0x42, 0xe6, 0x99,
+	0x72, 0x2d, 0xc0, 0x9c,
+	0xa7, 0x98, 0xd9, 0xcd
+};
+
+static int lib_test_uuid_to_le(struct unit_test_state *uts)
+{
+	const char *uuid_str = TEST_SVC_UUID;
+	u8 ret_uuid_bin[UUID_SIZE] = {0};
+
+	ut_assertok(uuid_str_to_le_bin(uuid_str, ret_uuid_bin));
+	ut_asserteq_mem(ref_uuid_bin, ret_uuid_bin, UUID_SIZE);
+
+	return 0;
+}
+
+LIB_TEST(lib_test_uuid_to_le, 0);