tests: byteorder: Add tests for sys_uint*_to_array macros

Add tests for sys_uint*_to_array macros to the byteorder suite.

Signed-off-by: Yonatan Schachter <[email protected]>

Author: yonsch

tests/kernel/common/src/byteorder.c

@@ -456,6 +456,69 @@ ZTEST(byteorder, test_sys_put_le64)
 	zassert_mem_equal(tmp, buf, sizeof(uint64_t), "sys_put_le64() failed");
 }
 
+/**
+ * @brief Test sys_uint16_to_array() functionality
+ *
+ * @details Test if sys_uint16_to_array() correctly handles endianness.
+ *
+ * @see sys_uint16_to_array()
+ */
+ZTEST(byteorder, test_sys_uint16_to_array)
+{
+	#define VAL 0xf0e1
+	uint8_t tmp[sizeof(uint16_t)] = sys_uint16_to_array(VAL);
+	uint8_t buf[] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0xe1, 0xf0),
+		(0xf0, 0xe1))
+	};
+
+	zassert_mem_equal(tmp, buf, sizeof(uint16_t), "sys_uint16_to_array() failed");
+	#undef VAL
+}
+
+/**
+ * @brief Test sys_uint32_to_array() functionality
+ *
+ * @details Test if sys_uint32_to_array() correctly handles endianness.
+ *
+ * @see sys_uint32_to_array()
+ */
+ZTEST(byteorder, test_sys_uint32_to_array)
+{
+	#define VAL 0xf0e1d2c3
+	uint8_t tmp[sizeof(uint32_t)] = sys_uint32_to_array(VAL);
+	uint8_t buf[] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0xc3, 0xd2, 0xe1, 0xf0),
+		(0xf0, 0xe1, 0xd2, 0xc3))
+	};
+
+	zassert_mem_equal(tmp, buf, sizeof(uint32_t), "sys_uint32_to_array() failed");
+	#undef VAL
+}
+
+/**
+ * @brief Test sys_uint64_to_array() functionality
+ *
+ * @details Test if sys_uint64_to_array() correctly handles endianness.
+ *
+ * @see sys_uint64_to_array()
+ */
+ZTEST(byteorder, test_sys_uint64_to_array)
+{
+	#define VAL 0xf0e1d2c3b4a59687
+	uint8_t tmp[sizeof(uint64_t)] = sys_uint64_to_array(VAL);
+	uint8_t buf[] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0x87, 0x96, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0),
+		(0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x96, 0x87))
+	};
+
+	zassert_mem_equal(tmp, buf, sizeof(uint64_t), "sys_uint64_to_array() failed");
+	#undef VAL
+}
+
 extern void *common_setup(void);
 ZTEST_SUITE(byteorder, NULL, common_setup, NULL, NULL, NULL);