Add a couple of tests for new STACK_FLEX_ARRAY_SIZE() helper. Signed-off-by: Gustavo A. R. Silva <gustavo...@kernel.org> --- Changes v2: - Add 0 test for `empty` instance.
v1: - Link: https://lore.kernel.org/linux-hardening/8cf48c3f9d8ef9b999d87cc0a822ffe539bf7a64.1745342381.git.gustavo...@kernel.org/ lib/tests/overflow_kunit.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/tests/overflow_kunit.c b/lib/tests/overflow_kunit.c index 894691b4411a..19cb03b25dc5 100644 --- a/lib/tests/overflow_kunit.c +++ b/lib/tests/overflow_kunit.c @@ -1210,6 +1210,10 @@ static void DEFINE_FLEX_test(struct kunit *test) KUNIT_EXPECT_EQ(test, __struct_size(empty->array), 0); KUNIT_EXPECT_EQ(test, __member_size(empty->array), 0); + KUNIT_EXPECT_EQ(test, STACK_FLEX_ARRAY_SIZE(two, array), 2); + KUNIT_EXPECT_EQ(test, STACK_FLEX_ARRAY_SIZE(eight, array), 8); + KUNIT_EXPECT_EQ(test, STACK_FLEX_ARRAY_SIZE(empty, array), 0); + /* If __counted_by is not being used, array size will have the on-stack size. */ if (!IS_ENABLED(CONFIG_CC_HAS_COUNTED_BY)) array_size_override = 2 * sizeof(s16); -- 2.43.0
