From 2b61582acd19c1a3693b02f50b681a05236305ad Mon Sep 17 00:00:00 2001
From: Michal Wajdeczko <michal.wajdeczko@intel.com>
Date: Fri, 15 Dec 2023 16:13:26 +0100
Subject: [PATCH] kunit: Add example for using test->priv
In a test->priv field the user can store arbitrary data.
Add example how to use this feature in the test code.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: David Gow <davidgow@google.com>
Cc: Rae Moar <rmoar@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
---
lib/kunit/kunit-example-test.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/lib/kunit/kunit-example-test.c b/lib/kunit/kunit-example-test.c
index d2f7a3c62c185..359dbee102014 100644
--- a/lib/kunit/kunit-example-test.c
+++ b/lib/kunit/kunit-example-test.c
@@ -221,6 +221,20 @@ static void example_params_test(struct kunit *test)
KUNIT_EXPECT_EQ(test, param->value % param->value, 0);
}
+/*
+ * This test shows the use of test->priv.
+ */
+static void example_priv_test(struct kunit *test)
+{
+ /* unless setup in suite->init(), test->priv is NULL */
+ KUNIT_ASSERT_NULL(test, test->priv);
+
+ /* but can be used to pass arbitrary data to other functions */
+ test->priv = kunit_kzalloc(test, 1, GFP_KERNEL);
+ KUNIT_EXPECT_NOT_NULL(test, test->priv);
+ KUNIT_ASSERT_PTR_EQ(test, test->priv, kunit_get_current_test()->priv);
+}
+
/*
* This test should always pass. Can be used to practice filtering attributes.
*/
@@ -245,6 +259,7 @@ static struct kunit_case example_test_cases[] = {
KUNIT_CASE(example_mark_skipped_test),
KUNIT_CASE(example_all_expect_macros_test),
KUNIT_CASE(example_static_stub_test),
+ KUNIT_CASE(example_priv_test),
KUNIT_CASE_PARAM(example_params_test, example_gen_params),
KUNIT_CASE_SLOW(example_slow_test),
{}
--
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