From: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>
Add some additional tests in lib/test_bits.c to cover the expected
results of the fixed type BIT_U*() macros.
Signed-off-by: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>
Reviewed-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
Changelog:
v6 -> v7:
- Add Lucas's Reviewed-by tag.
v5 -> v6:
- No changes.
v4 -> v5:
- BIT_U8()/BIT_U16() are now back to u8/u16.
v3 -> v4:
- New patch.
---
lib/test_bits.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/lib/test_bits.c b/lib/test_bits.c
index f443476f3265c463c1219b13c1ef9663d238d58b..47325b41515fde2c3ed434ed6f4094925c98886b 100644
--- a/lib/test_bits.c
+++ b/lib/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);
--
2.48.1
