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kunit: Add example for using test->priv

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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>
This commit is contained in:
Michal Wajdeczko
2023-12-15 16:13:26 +01:00
committed by Shuah Khan
parent d393acce7b
commit 2b61582acd
1 changed files with 15 additions and 0 deletions
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15
lib/kunit/kunit-example-test.c
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@@ -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),
{}