diff options
Diffstat (limited to 'lib/tests')
| -rw-r--r-- | lib/tests/stackinit_kunit.c | 10 | ||||
| -rw-r--r-- | lib/tests/test_bits.c | 30 |
2 files changed, 31 insertions, 9 deletions
diff --git a/lib/tests/stackinit_kunit.c b/lib/tests/stackinit_kunit.c index 63aa78e6f5c1..ff2784769772 100644 --- a/lib/tests/stackinit_kunit.c +++ b/lib/tests/stackinit_kunit.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* * Test cases for compiler-based stack variable zeroing via - * -ftrivial-auto-var-init={zero,pattern} or CONFIG_GCC_PLUGIN_STRUCTLEAK*. + * -ftrivial-auto-var-init={zero,pattern}. * For example, see: * "Running tests with kunit_tool" at Documentation/dev-tools/kunit/start.rst * ./tools/testing/kunit/kunit.py run stackinit [--raw_output] \ @@ -376,14 +376,6 @@ union test_small_end { # define USER_PASS XFAIL # define BYREF_PASS XFAIL # define STRONG_PASS XFAIL -#elif defined(CONFIG_GCC_PLUGIN_STRUCTLEAK_USER) -# define USER_PASS WANT_SUCCESS -# define BYREF_PASS XFAIL -# define STRONG_PASS XFAIL -#elif defined(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF) -# define USER_PASS WANT_SUCCESS -# define BYREF_PASS WANT_SUCCESS -# define STRONG_PASS XFAIL #else # define USER_PASS WANT_SUCCESS # define BYREF_PASS WANT_SUCCESS diff --git a/lib/tests/test_bits.c b/lib/tests/test_bits.c index c7b38d91e1f1..47325b41515f 100644 --- a/lib/tests/test_bits.c +++ b/lib/tests/test_bits.c @@ -5,6 +5,26 @@ #include <kunit/test.h> #include <linux/bits.h> +#include <linux/types.h> + +#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); +static_assert(assert_type(u16, GENMASK_U16(15, 0)) == U16_MAX); +static_assert(assert_type(u32, GENMASK_U32(31, 0)) == U32_MAX); +static_assert(assert_type(u64, GENMASK_U64(63, 0)) == U64_MAX); static void genmask_test(struct kunit *test) @@ -14,11 +34,21 @@ static void genmask_test(struct kunit *test) KUNIT_EXPECT_EQ(test, 6ul, GENMASK(2, 1)); KUNIT_EXPECT_EQ(test, 0xFFFFFFFFul, GENMASK(31, 0)); + KUNIT_EXPECT_EQ(test, 1u, GENMASK_U8(0, 0)); + KUNIT_EXPECT_EQ(test, 3u, GENMASK_U16(1, 0)); + KUNIT_EXPECT_EQ(test, 0x10000, GENMASK_U32(16, 16)); + #ifdef TEST_GENMASK_FAILURES /* these should fail compilation */ GENMASK(0, 1); GENMASK(0, 10); GENMASK(9, 10); + + GENMASK_U32(0, 31); + GENMASK_U64(64, 0); + GENMASK_U32(32, 0); + GENMASK_U16(16, 0); + GENMASK_U8(8, 0); #endif |