firewire: test: add KUnit test for device attributes

The traverse over CSR space results in attributes of node and unit
devices. Any test of the traverse is useful.

This commit adds a skeleton of KUnit test for the purpose.

Link: https://lore.kernel.org/r/20231221134849.603857-4-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>

1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/firewire/device-attribute-test.c b/drivers/firewire/device-attribute-test.c
new file mode 100644
index 000000000000..87cfdf97c898
--- /dev/null
+++ b/drivers/firewire/device-attribute-test.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// device-attribute-test.c - An application of Kunit to test implementation for device attributes.
+//
+// Copyright (c) 2023 Takashi Sakamoto
+//
+// This file can not be built independently since it is intentionally included in core-device.c.
+
+#include <kunit/test.h>
+
+static struct kunit_case device_attr_test_cases[] = {
+	{}
+};
+
+static struct kunit_suite device_attr_test_suite = {
+	.name = "firewire-device-attribute",
+	.test_cases = device_attr_test_cases,
+};
+kunit_test_suite(device_attr_test_suite);