diff options
Diffstat (limited to 'examples/redis-unstable/deps/jemalloc/test/unit/bit_util.c')
| -rw-r--r-- | examples/redis-unstable/deps/jemalloc/test/unit/bit_util.c | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/examples/redis-unstable/deps/jemalloc/test/unit/bit_util.c b/examples/redis-unstable/deps/jemalloc/test/unit/bit_util.c deleted file mode 100644 index 7d31b21..0000000 --- a/examples/redis-unstable/deps/jemalloc/test/unit/bit_util.c +++ /dev/null @@ -1,307 +0,0 @@ -#include "test/jemalloc_test.h" - -#include "jemalloc/internal/bit_util.h" - -#define TEST_POW2_CEIL(t, suf, pri) do { \ - unsigned i, pow2; \ - t x; \ - \ - expect_##suf##_eq(pow2_ceil_##suf(0), 0, "Unexpected result"); \ - \ - for (i = 0; i < sizeof(t) * 8; i++) { \ - expect_##suf##_eq(pow2_ceil_##suf(((t)1) << i), ((t)1) \ - << i, "Unexpected result"); \ - } \ - \ - for (i = 2; i < sizeof(t) * 8; i++) { \ - expect_##suf##_eq(pow2_ceil_##suf((((t)1) << i) - 1), \ - ((t)1) << i, "Unexpected result"); \ - } \ - \ - for (i = 0; i < sizeof(t) * 8 - 1; i++) { \ - expect_##suf##_eq(pow2_ceil_##suf((((t)1) << i) + 1), \ - ((t)1) << (i+1), "Unexpected result"); \ - } \ - \ - for (pow2 = 1; pow2 < 25; pow2++) { \ - for (x = (((t)1) << (pow2-1)) + 1; x <= ((t)1) << pow2; \ - x++) { \ - expect_##suf##_eq(pow2_ceil_##suf(x), \ - ((t)1) << pow2, \ - "Unexpected result, x=%"pri, x); \ - } \ - } \ -} while (0) - -TEST_BEGIN(test_pow2_ceil_u64) { - TEST_POW2_CEIL(uint64_t, u64, FMTu64); -} -TEST_END - -TEST_BEGIN(test_pow2_ceil_u32) { - TEST_POW2_CEIL(uint32_t, u32, FMTu32); -} -TEST_END - -TEST_BEGIN(test_pow2_ceil_zu) { - TEST_POW2_CEIL(size_t, zu, "zu"); -} -TEST_END - -void -expect_lg_ceil_range(size_t input, unsigned answer) { - if (input == 1) { - expect_u_eq(0, answer, "Got %u as lg_ceil of 1", answer); - return; - } - expect_zu_le(input, (ZU(1) << answer), - "Got %u as lg_ceil of %zu", answer, input); - expect_zu_gt(input, (ZU(1) << (answer - 1)), - "Got %u as lg_ceil of %zu", answer, input); -} - -void -expect_lg_floor_range(size_t input, unsigned answer) { - if (input == 1) { - expect_u_eq(0, answer, "Got %u as lg_floor of 1", answer); - return; - } - expect_zu_ge(input, (ZU(1) << answer), - "Got %u as lg_floor of %zu", answer, input); - expect_zu_lt(input, (ZU(1) << (answer + 1)), - "Got %u as lg_floor of %zu", answer, input); -} - -TEST_BEGIN(test_lg_ceil_floor) { - for (size_t i = 1; i < 10 * 1000 * 1000; i++) { - expect_lg_ceil_range(i, lg_ceil(i)); - expect_lg_ceil_range(i, LG_CEIL(i)); - expect_lg_floor_range(i, lg_floor(i)); - expect_lg_floor_range(i, LG_FLOOR(i)); - } - for (int i = 10; i < 8 * (1 << LG_SIZEOF_PTR) - 5; i++) { - for (size_t j = 0; j < (1 << 4); j++) { - size_t num1 = ((size_t)1 << i) - - j * ((size_t)1 << (i - 4)); - size_t num2 = ((size_t)1 << i) - + j * ((size_t)1 << (i - 4)); - expect_zu_ne(num1, 0, "Invalid lg argument"); - expect_zu_ne(num2, 0, "Invalid lg argument"); - expect_lg_ceil_range(num1, lg_ceil(num1)); - expect_lg_ceil_range(num1, LG_CEIL(num1)); - expect_lg_ceil_range(num2, lg_ceil(num2)); - expect_lg_ceil_range(num2, LG_CEIL(num2)); - - expect_lg_floor_range(num1, lg_floor(num1)); - expect_lg_floor_range(num1, LG_FLOOR(num1)); - expect_lg_floor_range(num2, lg_floor(num2)); - expect_lg_floor_range(num2, LG_FLOOR(num2)); - } - } -} -TEST_END - -#define TEST_FFS(t, suf, test_suf, pri) do { \ - for (unsigned i = 0; i < sizeof(t) * 8; i++) { \ - for (unsigned j = 0; j <= i; j++) { \ - for (unsigned k = 0; k <= j; k++) { \ - t x = (t)1 << i; \ - x |= (t)1 << j; \ - x |= (t)1 << k; \ - expect_##test_suf##_eq(ffs_##suf(x), k, \ - "Unexpected result, x=%"pri, x); \ - } \ - } \ - } \ -} while(0) - -TEST_BEGIN(test_ffs_u) { - TEST_FFS(unsigned, u, u,"u"); -} -TEST_END - -TEST_BEGIN(test_ffs_lu) { - TEST_FFS(unsigned long, lu, lu, "lu"); -} -TEST_END - -TEST_BEGIN(test_ffs_llu) { - TEST_FFS(unsigned long long, llu, qd, "llu"); -} -TEST_END - -TEST_BEGIN(test_ffs_u32) { - TEST_FFS(uint32_t, u32, u32, FMTu32); -} -TEST_END - -TEST_BEGIN(test_ffs_u64) { - TEST_FFS(uint64_t, u64, u64, FMTu64); -} -TEST_END - -TEST_BEGIN(test_ffs_zu) { - TEST_FFS(size_t, zu, zu, "zu"); -} -TEST_END - -#define TEST_FLS(t, suf, test_suf, pri) do { \ - for (unsigned i = 0; i < sizeof(t) * 8; i++) { \ - for (unsigned j = 0; j <= i; j++) { \ - for (unsigned k = 0; k <= j; k++) { \ - t x = (t)1 << i; \ - x |= (t)1 << j; \ - x |= (t)1 << k; \ - expect_##test_suf##_eq(fls_##suf(x), i, \ - "Unexpected result, x=%"pri, x); \ - } \ - } \ - } \ -} while(0) - -TEST_BEGIN(test_fls_u) { - TEST_FLS(unsigned, u, u,"u"); -} -TEST_END - -TEST_BEGIN(test_fls_lu) { - TEST_FLS(unsigned long, lu, lu, "lu"); -} -TEST_END - -TEST_BEGIN(test_fls_llu) { - TEST_FLS(unsigned long long, llu, qd, "llu"); -} -TEST_END - -TEST_BEGIN(test_fls_u32) { - TEST_FLS(uint32_t, u32, u32, FMTu32); -} -TEST_END - -TEST_BEGIN(test_fls_u64) { - TEST_FLS(uint64_t, u64, u64, FMTu64); -} -TEST_END - -TEST_BEGIN(test_fls_zu) { - TEST_FLS(size_t, zu, zu, "zu"); -} -TEST_END - -TEST_BEGIN(test_fls_u_slow) { - TEST_FLS(unsigned, u_slow, u,"u"); -} -TEST_END - -TEST_BEGIN(test_fls_lu_slow) { - TEST_FLS(unsigned long, lu_slow, lu, "lu"); -} -TEST_END - -TEST_BEGIN(test_fls_llu_slow) { - TEST_FLS(unsigned long long, llu_slow, qd, "llu"); -} -TEST_END - -static unsigned -popcount_byte(unsigned byte) { - int count = 0; - for (int i = 0; i < 8; i++) { - if ((byte & (1 << i)) != 0) { - count++; - } - } - return count; -} - -static uint64_t -expand_byte_to_mask(unsigned byte) { - uint64_t result = 0; - for (int i = 0; i < 8; i++) { - if ((byte & (1 << i)) != 0) { - result |= ((uint64_t)0xFF << (i * 8)); - } - } - return result; -} - -#define TEST_POPCOUNT(t, suf, pri_hex) do { \ - t bmul = (t)0x0101010101010101ULL; \ - for (unsigned i = 0; i < (1 << sizeof(t)); i++) { \ - for (unsigned j = 0; j < 256; j++) { \ - /* \ - * Replicate the byte j into various \ - * bytes of the integer (as indicated by the \ - * mask in i), and ensure that the popcount of \ - * the result is popcount(i) * popcount(j) \ - */ \ - t mask = (t)expand_byte_to_mask(i); \ - t x = (bmul * j) & mask; \ - expect_u_eq( \ - popcount_byte(i) * popcount_byte(j), \ - popcount_##suf(x), \ - "Unexpected result, x=0x%"pri_hex, x); \ - } \ - } \ -} while (0) - -TEST_BEGIN(test_popcount_u) { - TEST_POPCOUNT(unsigned, u, "x"); -} -TEST_END - -TEST_BEGIN(test_popcount_u_slow) { - TEST_POPCOUNT(unsigned, u_slow, "x"); -} -TEST_END - -TEST_BEGIN(test_popcount_lu) { - TEST_POPCOUNT(unsigned long, lu, "lx"); -} -TEST_END - -TEST_BEGIN(test_popcount_lu_slow) { - TEST_POPCOUNT(unsigned long, lu_slow, "lx"); -} -TEST_END - -TEST_BEGIN(test_popcount_llu) { - TEST_POPCOUNT(unsigned long long, llu, "llx"); -} -TEST_END - -TEST_BEGIN(test_popcount_llu_slow) { - TEST_POPCOUNT(unsigned long long, llu_slow, "llx"); -} -TEST_END - -int -main(void) { - return test_no_reentrancy( - test_pow2_ceil_u64, - test_pow2_ceil_u32, - test_pow2_ceil_zu, - test_lg_ceil_floor, - test_ffs_u, - test_ffs_lu, - test_ffs_llu, - test_ffs_u32, - test_ffs_u64, - test_ffs_zu, - test_fls_u, - test_fls_lu, - test_fls_llu, - test_fls_u32, - test_fls_u64, - test_fls_zu, - test_fls_u_slow, - test_fls_lu_slow, - test_fls_llu_slow, - test_popcount_u, - test_popcount_u_slow, - test_popcount_lu, - test_popcount_lu_slow, - test_popcount_llu, - test_popcount_llu_slow); -} |