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list: test: Add test for list_del_init_careful()
The list_del_init_careful() function was added[1] after the list KUnit test. Add a very basic test to cover it. Note that this test only covers the single-threaded behaviour (which matches list_del_init()), as is already the case with the test for list_empty_careful(). [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c6fe44d96fc1536af5b11cd859686453d1b7bfd1 Signed-off-by: David Gow <davidgow@google.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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1 changed files with 21 additions and 0 deletions
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@ -161,6 +161,26 @@ static void list_test_list_del_init(struct kunit *test)
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KUNIT_EXPECT_TRUE(test, list_empty_careful(&a));
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KUNIT_EXPECT_TRUE(test, list_empty_careful(&a));
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}
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}
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static void list_test_list_del_init_careful(struct kunit *test)
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{
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/* NOTE: This test only checks the behaviour of this function in
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* isolation. It does not verify memory model guarantees.
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*/
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struct list_head a, b;
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LIST_HEAD(list);
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list_add_tail(&a, &list);
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list_add_tail(&b, &list);
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/* before: [list] -> a -> b */
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list_del_init_careful(&a);
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/* after: [list] -> b, a initialised */
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KUNIT_EXPECT_PTR_EQ(test, list.next, &b);
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KUNIT_EXPECT_PTR_EQ(test, b.prev, &list);
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KUNIT_EXPECT_TRUE(test, list_empty_careful(&a));
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}
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static void list_test_list_move(struct kunit *test)
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static void list_test_list_move(struct kunit *test)
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{
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{
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struct list_head a, b;
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struct list_head a, b;
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@ -707,6 +727,7 @@ static struct kunit_case list_test_cases[] = {
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KUNIT_CASE(list_test_list_replace_init),
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KUNIT_CASE(list_test_list_replace_init),
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KUNIT_CASE(list_test_list_swap),
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KUNIT_CASE(list_test_list_swap),
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KUNIT_CASE(list_test_list_del_init),
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KUNIT_CASE(list_test_list_del_init),
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KUNIT_CASE(list_test_list_del_init_careful),
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KUNIT_CASE(list_test_list_move),
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KUNIT_CASE(list_test_list_move),
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KUNIT_CASE(list_test_list_move_tail),
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KUNIT_CASE(list_test_list_move_tail),
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KUNIT_CASE(list_test_list_bulk_move_tail),
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KUNIT_CASE(list_test_list_bulk_move_tail),
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