linux-kernel - [PATCH v3 2/3] kunit: Add KUnit memory block assertions to the example_all_expect_macros

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Message-Id: <20220803215855.258704-3-mairacanal@riseup.net>
Date:   Wed,  3 Aug 2022 18:58:54 -0300
From:   Maíra Canal <mairacanal@...eup.net>
To:     Brendan Higgins <brendanhiggins@...gle.com>, davidgow@...gle.com,
        Daniel Latypov <dlatypov@...gle.com>, airlied@...ux.ie,
        daniel@...ll.ch, davem@...emloft.net, kuba@...nel.org,
        jose.exposito89@...il.com, javierm@...hat.com
Cc:     andrealmeid@...eup.net, melissa.srw@...il.com,
        siqueirajordao@...eup.net, Isabella Basso <isabbasso@...eup.net>,
        magalilemes00@...il.com, tales.aparecida@...il.com,
        linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
        linux-kernel@...r.kernel.org,
        Maíra Canal <mairacanal@...eup.net>
Subject: [PATCH v3 2/3] kunit: Add KUnit memory block assertions to the example_all_expect_macros_test

Augment the example_all_expect_macros_test with the KUNIT_EXPECT_MEMEQ
and KUNIT_EXPECT_MEMNEQ macros by creating a test with memory block
assertions.

Signed-off-by: Maíra Canal <mairacanal@...eup.net>
Reviewed-by: Daniel Latypov <dlatypov@...gle.com>
---
v1 -> v2:
- Change the macro KUNIT_EXPECT_ARREQ to KUNIT_EXPECT_MEMEQ, in order to make
it easier for users to infer the right size unit (Daniel Latypov).
- Replace a constant number of array elements for ARRAY_SIZE() (André Almeida).
- Rename "array" and "expected" variables to "array1" and "array2" (Daniel Latypov).

v2 -> v3:
- Change "Increament" to "Augment" (Daniel Latypov).
- Use sizeof() for array sizes (Daniel Latypov).
---
 lib/kunit/kunit-example-test.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/kunit/kunit-example-test.c b/lib/kunit/kunit-example-test.c
index f8fe582c9e36..66cc4e2365ec 100644
--- a/lib/kunit/kunit-example-test.c
+++ b/lib/kunit/kunit-example-test.c
@@ -86,6 +86,9 @@ static void example_mark_skipped_test(struct kunit *test)
  */
 static void example_all_expect_macros_test(struct kunit *test)
 {
+	const u32 array1[] = { 0x0F, 0xFF };
+	const u32 array2[] = { 0x1F, 0xFF };
+
 	/* Boolean assertions */
 	KUNIT_EXPECT_TRUE(test, true);
 	KUNIT_EXPECT_FALSE(test, false);
@@ -109,6 +112,10 @@ static void example_all_expect_macros_test(struct kunit *test)
 	KUNIT_EXPECT_STREQ(test, "hi", "hi");
 	KUNIT_EXPECT_STRNEQ(test, "hi", "bye");

+	/* Memory block assertions */
+	KUNIT_EXPECT_MEMEQ(test, array1, array1, sizeof(array1));
+	KUNIT_EXPECT_MEMNEQ(test, array1, array2, sizeof(array1));
+
 	/*
 	 * There are also ASSERT variants of all of the above that abort test
 	 * execution if they fail. Useful for memory allocations, etc.
--
2.37.1