From e289b488256107425591d8e6a402de8fcf6d088c Mon Sep 17 00:00:00 2001 From: Vincent Mailhol Date: Wed, 26 Mar 2025 01:00:01 +0900 Subject: [PATCH] test_bits: add tests for BIT_U*() Add some additional tests in lib/tests/test_bits.c to cover the expected results of the fixed type BIT_U*() macros. Signed-off-by: Vincent Mailhol Reviewed-by: Lucas De Marchi Reviewed-by: Andy Shevchenko Signed-off-by: Yury Norov --- lib/tests/test_bits.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/lib/tests/test_bits.c b/lib/tests/test_bits.c index f443476f3265c..47325b41515fd 100644 --- a/lib/tests/test_bits.c +++ b/lib/tests/test_bits.c @@ -9,6 +9,16 @@ #define assert_type(t, x) _Generic(x, t: x, default: 0) +static_assert(assert_type(u8, BIT_U8(0)) == 1u); +static_assert(assert_type(u16, BIT_U16(0)) == 1u); +static_assert(assert_type(u32, BIT_U32(0)) == 1u); +static_assert(assert_type(u64, BIT_U64(0)) == 1ull); + +static_assert(assert_type(u8, BIT_U8(7)) == 0x80u); +static_assert(assert_type(u16, BIT_U16(15)) == 0x8000u); +static_assert(assert_type(u32, BIT_U32(31)) == 0x80000000u); +static_assert(assert_type(u64, BIT_U64(63)) == 0x8000000000000000ull); + static_assert(assert_type(unsigned long, GENMASK(31, 0)) == U32_MAX); static_assert(assert_type(unsigned long long, GENMASK_ULL(63, 0)) == U64_MAX); static_assert(assert_type(u8, GENMASK_U8(7, 0)) == U8_MAX); -- 2.47.2