Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 <mailhol.vincent@wanadoo.fr>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
authored by
Vincent Mailhol
and committed by
Yury Norov
e289b488
0405eef6
+10
+10
lib/tests/test_bits.c
+10
lib/tests/test_bits.c
···
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#define assert_type(t, x) _Generic(x, t: x, default: 0)
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static_assert(assert_type(u8, BIT_U8(0)) == 1u);
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static_assert(assert_type(u16, BIT_U16(0)) == 1u);
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static_assert(assert_type(u32, BIT_U32(0)) == 1u);
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static_assert(assert_type(u64, BIT_U64(0)) == 1ull);
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static_assert(assert_type(u8, BIT_U8(7)) == 0x80u);
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static_assert(assert_type(u16, BIT_U16(15)) == 0x8000u);
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static_assert(assert_type(u32, BIT_U32(31)) == 0x80000000u);
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static_assert(assert_type(u64, BIT_U64(63)) == 0x8000000000000000ull);
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static_assert(assert_type(unsigned long, GENMASK(31, 0)) == U32_MAX);
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static_assert(assert_type(unsigned long long, GENMASK_ULL(63, 0)) == U64_MAX);
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static_assert(assert_type(u8, GENMASK_U8(7, 0)) == U8_MAX);