diff --git a/tests/kernel/common/src/byteorder.c b/tests/kernel/common/src/byteorder.c
index a16a25df7ec..a888ad1f1e0 100644
--- a/tests/kernel/common/src/byteorder.c
+++ b/tests/kernel/common/src/byteorder.c
@@ -588,6 +588,122 @@ ZTEST(byteorder, test_sys_uint64_to_array)
 	#undef VAL
 }
 
+ZTEST(byteorder, test_sys_le_to_cpu)
+{
+	uint8_t val[9] = { 0x87, 0x95, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xab };
+	uint8_t exp[9] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0x87, 0x95, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xab),
+		(0xab, 0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x95, 0x87))
+	};
+
+	sys_le_to_cpu(val, sizeof(val));
+
+	zassert_mem_equal(val, exp, sizeof(exp), "sys_le_to_cpu() failed");
+}
+
+ZTEST(byteorder, test_sys_cpu_to_le)
+{
+	uint8_t val[9] = { 0x87, 0x96, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xab };
+	uint8_t exp[9] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0x87, 0x96, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xab),
+		(0xab, 0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x96, 0x87))
+	};
+
+	sys_cpu_to_le(val, sizeof(val));
+
+	zassert_mem_equal(val, exp, sizeof(exp), "sys_cpu_to_le() failed");
+}
+
+ZTEST(byteorder, test_sys_be_to_cpu)
+{
+	uint8_t val[9] = { 0x87, 0x97, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xab };
+	uint8_t exp[9] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0xab, 0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x97, 0x87),
+		(0x87, 0x97, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xab))
+	};
+
+	sys_be_to_cpu(val, sizeof(val));
+
+	zassert_mem_equal(val, exp, sizeof(exp), "sys_be_to_cpu() failed");
+}
+
+ZTEST(byteorder, test_sys_cpu_to_be)
+{
+	uint8_t val[9] = { 0x87, 0x98, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xab };
+	uint8_t exp[9] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0xab, 0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x98, 0x87),
+		(0x87, 0x98, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xab))
+	};
+
+	sys_cpu_to_be(val, sizeof(val));
+
+	zassert_mem_equal(val, exp, sizeof(exp), "sys_cpu_to_be() failed");
+}
+
+ZTEST(byteorder, test_sys_put_le)
+{
+	uint8_t host[9] = { 0x87, 0x12, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xba };
+	uint8_t prot[9] = { 0 };
+	uint8_t exp[9] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0x87, 0x12, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xba),
+		(0xba, 0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x12, 0x87))
+	};
+
+	sys_put_le(prot, host, sizeof(prot));
+
+	zassert_mem_equal(prot, exp, sizeof(exp), "sys_put_le() failed");
+}
+
+ZTEST(byteorder, test_sys_put_be)
+{
+	uint8_t host[9] = { 0x87, 0x13, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xba };
+	uint8_t prot[9] = { 0 };
+	uint8_t exp[9] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0xba, 0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x13, 0x87),
+		(0x87, 0x13, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xba))
+	};
+
+	sys_put_be(prot, host, sizeof(prot));
+
+	zassert_mem_equal(prot, exp, sizeof(exp), "sys_put_be() failed");
+}
+
+ZTEST(byteorder, test_sys_get_le)
+{
+	uint8_t prot[9] = { 0x87, 0x14, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xba };
+	uint8_t host[9] = { 0 };
+	uint8_t exp[9] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0x87, 0x14, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xba),
+		(0xba, 0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x14, 0x87))
+	};
+
+	sys_get_le(host, prot, sizeof(host));
+
+	zassert_mem_equal(host, exp, sizeof(exp), "sys_get_le() failed");
+}
+
+ZTEST(byteorder, test_sys_get_be)
+{
+	uint8_t prot[9] = { 0x87, 0x15, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xba };
+	uint8_t host[9] = { 0 };
+	uint8_t exp[9] = {
+		COND_CODE_1(CONFIG_LITTLE_ENDIAN,
+		(0xba, 0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x15, 0x87),
+		(0x87, 0x15, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0, 0xba))
+	};
+
+	sys_get_be(host, prot, sizeof(host));
+
+	zassert_mem_equal(host, exp, sizeof(exp), "sys_get_be() failed");
+}
+
 extern void *common_setup(void);
 ZTEST_SUITE(byteorder, NULL, common_setup, NULL, NULL, NULL);