linux-kernel - [PATCH 15/30] smb/client: introduce KUnit test to check search result of ntstatus_to_dos

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Message-ID: <20251208062100.3268777-16-chenxiaosong.chenxiaosong@linux.dev>
Date: Mon,  8 Dec 2025 14:20:45 +0800
From: chenxiaosong.chenxiaosong@...ux.dev
To: sfrench@...ba.org,
	smfrench@...il.com,
	linkinjeon@...nel.org,
	linkinjeon@...ba.org
Cc: linux-cifs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	liuzhengyuan@...inos.cn,
	huhai@...inos.cn,
	liuyun01@...inos.cn,
	ChenXiaoSong <chenxiaosong@...inos.cn>
Subject: [PATCH 15/30] smb/client: introduce KUnit test to check search result of ntstatus_to_dos_map array

From: ChenXiaoSong <chenxiaosong@...inos.cn>

The KUnit test are executed when cifs.ko is loaded.

The ntstatus_to_dos_map_check_search() checks whether all elements can be
correctly found in the array.

Signed-off-by: ChenXiaoSong <chenxiaosong@...inos.cn>
---
 fs/smb/client/netmisc_test.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/fs/smb/client/netmisc_test.c b/fs/smb/client/netmisc_test.c
index b682098d2fc5..ade5005fecb7 100644
--- a/fs/smb/client/netmisc_test.c
+++ b/fs/smb/client/netmisc_test.c
@@ -46,6 +46,18 @@ static void __array ## _check_search(struct kunit *test)		\
 	}								\
 }
 
+static void test_cmp_ntstatus_to_dos(struct kunit *test,
+				     struct ntstatus_to_dos *expect,
+				     struct ntstatus_to_dos *result)
+{
+	KUNIT_EXPECT_EQ(test, expect->dos_class, result->dos_class);
+	KUNIT_EXPECT_EQ(test, expect->dos_code, result->dos_code);
+	KUNIT_EXPECT_EQ(test, expect->ntstatus, result->ntstatus);
+}
+
+/* ntstatus_to_dos_map_check_search */
+DEFINE_CHECK_SEARCH_FUNC(ntstatus_to_dos, ntstatus, ntstatus_to_dos_map, ntstatus_to_dos_num);
+
 /*
  * Before running these test cases, the smb_init_maperror()
  * function is called first.
@@ -53,6 +65,8 @@ static void __array ## _check_search(struct kunit *test)		\
 static struct kunit_case maperror_test_cases[] = {
 	/* check sort */
 	KUNIT_CASE(ntstatus_to_dos_map_check_sort),
+	/* check search */
+	KUNIT_CASE(ntstatus_to_dos_map_check_search),
 	{}
 };
 
-- 
2.43.0