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Diffstat (limited to 'deps/jemalloc/test/unit/prng.c')
-rw-r--r--deps/jemalloc/test/unit/prng.c237
1 files changed, 0 insertions, 237 deletions
diff --git a/deps/jemalloc/test/unit/prng.c b/deps/jemalloc/test/unit/prng.c
deleted file mode 100644
index b5795c2f4..000000000
--- a/deps/jemalloc/test/unit/prng.c
+++ /dev/null
@@ -1,237 +0,0 @@
-#include "test/jemalloc_test.h"
-
-static void
-test_prng_lg_range_u32(bool atomic) {
- atomic_u32_t sa, sb;
- uint32_t ra, rb;
- unsigned lg_range;
-
- atomic_store_u32(&sa, 42, ATOMIC_RELAXED);
- ra = prng_lg_range_u32(&sa, 32, atomic);
- atomic_store_u32(&sa, 42, ATOMIC_RELAXED);
- rb = prng_lg_range_u32(&sa, 32, atomic);
- assert_u32_eq(ra, rb,
- "Repeated generation should produce repeated results");
-
- atomic_store_u32(&sb, 42, ATOMIC_RELAXED);
- rb = prng_lg_range_u32(&sb, 32, atomic);
- assert_u32_eq(ra, rb,
- "Equivalent generation should produce equivalent results");
-
- atomic_store_u32(&sa, 42, ATOMIC_RELAXED);
- ra = prng_lg_range_u32(&sa, 32, atomic);
- rb = prng_lg_range_u32(&sa, 32, atomic);
- assert_u32_ne(ra, rb,
- "Full-width results must not immediately repeat");
-
- atomic_store_u32(&sa, 42, ATOMIC_RELAXED);
- ra = prng_lg_range_u32(&sa, 32, atomic);
- for (lg_range = 31; lg_range > 0; lg_range--) {
- atomic_store_u32(&sb, 42, ATOMIC_RELAXED);
- rb = prng_lg_range_u32(&sb, lg_range, atomic);
- assert_u32_eq((rb & (UINT32_C(0xffffffff) << lg_range)),
- 0, "High order bits should be 0, lg_range=%u", lg_range);
- assert_u32_eq(rb, (ra >> (32 - lg_range)),
- "Expected high order bits of full-width result, "
- "lg_range=%u", lg_range);
- }
-}
-
-static void
-test_prng_lg_range_u64(void) {
- uint64_t sa, sb, ra, rb;
- unsigned lg_range;
-
- sa = 42;
- ra = prng_lg_range_u64(&sa, 64);
- sa = 42;
- rb = prng_lg_range_u64(&sa, 64);
- assert_u64_eq(ra, rb,
- "Repeated generation should produce repeated results");
-
- sb = 42;
- rb = prng_lg_range_u64(&sb, 64);
- assert_u64_eq(ra, rb,
- "Equivalent generation should produce equivalent results");
-
- sa = 42;
- ra = prng_lg_range_u64(&sa, 64);
- rb = prng_lg_range_u64(&sa, 64);
- assert_u64_ne(ra, rb,
- "Full-width results must not immediately repeat");
-
- sa = 42;
- ra = prng_lg_range_u64(&sa, 64);
- for (lg_range = 63; lg_range > 0; lg_range--) {
- sb = 42;
- rb = prng_lg_range_u64(&sb, lg_range);
- assert_u64_eq((rb & (UINT64_C(0xffffffffffffffff) << lg_range)),
- 0, "High order bits should be 0, lg_range=%u", lg_range);
- assert_u64_eq(rb, (ra >> (64 - lg_range)),
- "Expected high order bits of full-width result, "
- "lg_range=%u", lg_range);
- }
-}
-
-static void
-test_prng_lg_range_zu(bool atomic) {
- atomic_zu_t sa, sb;
- size_t ra, rb;
- unsigned lg_range;
-
- atomic_store_zu(&sa, 42, ATOMIC_RELAXED);
- ra = prng_lg_range_zu(&sa, ZU(1) << (3 + LG_SIZEOF_PTR), atomic);
- atomic_store_zu(&sa, 42, ATOMIC_RELAXED);
- rb = prng_lg_range_zu(&sa, ZU(1) << (3 + LG_SIZEOF_PTR), atomic);
- assert_zu_eq(ra, rb,
- "Repeated generation should produce repeated results");
-
- atomic_store_zu(&sb, 42, ATOMIC_RELAXED);
- rb = prng_lg_range_zu(&sb, ZU(1) << (3 + LG_SIZEOF_PTR), atomic);
- assert_zu_eq(ra, rb,
- "Equivalent generation should produce equivalent results");
-
- atomic_store_zu(&sa, 42, ATOMIC_RELAXED);
- ra = prng_lg_range_zu(&sa, ZU(1) << (3 + LG_SIZEOF_PTR), atomic);
- rb = prng_lg_range_zu(&sa, ZU(1) << (3 + LG_SIZEOF_PTR), atomic);
- assert_zu_ne(ra, rb,
- "Full-width results must not immediately repeat");
-
- atomic_store_zu(&sa, 42, ATOMIC_RELAXED);
- ra = prng_lg_range_zu(&sa, ZU(1) << (3 + LG_SIZEOF_PTR), atomic);
- for (lg_range = (ZU(1) << (3 + LG_SIZEOF_PTR)) - 1; lg_range > 0;
- lg_range--) {
- atomic_store_zu(&sb, 42, ATOMIC_RELAXED);
- rb = prng_lg_range_zu(&sb, lg_range, atomic);
- assert_zu_eq((rb & (SIZE_T_MAX << lg_range)),
- 0, "High order bits should be 0, lg_range=%u", lg_range);
- assert_zu_eq(rb, (ra >> ((ZU(1) << (3 + LG_SIZEOF_PTR)) -
- lg_range)), "Expected high order bits of full-width "
- "result, lg_range=%u", lg_range);
- }
-}
-
-TEST_BEGIN(test_prng_lg_range_u32_nonatomic) {
- test_prng_lg_range_u32(false);
-}
-TEST_END
-
-TEST_BEGIN(test_prng_lg_range_u32_atomic) {
- test_prng_lg_range_u32(true);
-}
-TEST_END
-
-TEST_BEGIN(test_prng_lg_range_u64_nonatomic) {
- test_prng_lg_range_u64();
-}
-TEST_END
-
-TEST_BEGIN(test_prng_lg_range_zu_nonatomic) {
- test_prng_lg_range_zu(false);
-}
-TEST_END
-
-TEST_BEGIN(test_prng_lg_range_zu_atomic) {
- test_prng_lg_range_zu(true);
-}
-TEST_END
-
-static void
-test_prng_range_u32(bool atomic) {
- uint32_t range;
-#define MAX_RANGE 10000000
-#define RANGE_STEP 97
-#define NREPS 10
-
- for (range = 2; range < MAX_RANGE; range += RANGE_STEP) {
- atomic_u32_t s;
- unsigned rep;
-
- atomic_store_u32(&s, range, ATOMIC_RELAXED);
- for (rep = 0; rep < NREPS; rep++) {
- uint32_t r = prng_range_u32(&s, range, atomic);
-
- assert_u32_lt(r, range, "Out of range");
- }
- }
-}
-
-static void
-test_prng_range_u64(void) {
- uint64_t range;
-#define MAX_RANGE 10000000
-#define RANGE_STEP 97
-#define NREPS 10
-
- for (range = 2; range < MAX_RANGE; range += RANGE_STEP) {
- uint64_t s;
- unsigned rep;
-
- s = range;
- for (rep = 0; rep < NREPS; rep++) {
- uint64_t r = prng_range_u64(&s, range);
-
- assert_u64_lt(r, range, "Out of range");
- }
- }
-}
-
-static void
-test_prng_range_zu(bool atomic) {
- size_t range;
-#define MAX_RANGE 10000000
-#define RANGE_STEP 97
-#define NREPS 10
-
- for (range = 2; range < MAX_RANGE; range += RANGE_STEP) {
- atomic_zu_t s;
- unsigned rep;
-
- atomic_store_zu(&s, range, ATOMIC_RELAXED);
- for (rep = 0; rep < NREPS; rep++) {
- size_t r = prng_range_zu(&s, range, atomic);
-
- assert_zu_lt(r, range, "Out of range");
- }
- }
-}
-
-TEST_BEGIN(test_prng_range_u32_nonatomic) {
- test_prng_range_u32(false);
-}
-TEST_END
-
-TEST_BEGIN(test_prng_range_u32_atomic) {
- test_prng_range_u32(true);
-}
-TEST_END
-
-TEST_BEGIN(test_prng_range_u64_nonatomic) {
- test_prng_range_u64();
-}
-TEST_END
-
-TEST_BEGIN(test_prng_range_zu_nonatomic) {
- test_prng_range_zu(false);
-}
-TEST_END
-
-TEST_BEGIN(test_prng_range_zu_atomic) {
- test_prng_range_zu(true);
-}
-TEST_END
-
-int
-main(void) {
- return test(
- test_prng_lg_range_u32_nonatomic,
- test_prng_lg_range_u32_atomic,
- test_prng_lg_range_u64_nonatomic,
- test_prng_lg_range_zu_nonatomic,
- test_prng_lg_range_zu_atomic,
- test_prng_range_u32_nonatomic,
- test_prng_range_u32_atomic,
- test_prng_range_u64_nonatomic,
- test_prng_range_zu_nonatomic,
- test_prng_range_zu_atomic);
-}