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Diffstat (limited to 'deps/jemalloc/test/unit/witness.c')
| -rw-r--r-- | deps/jemalloc/test/unit/witness.c | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/deps/jemalloc/test/unit/witness.c b/deps/jemalloc/test/unit/witness.c new file mode 100644 index 0000000..5a6c448 --- /dev/null +++ b/deps/jemalloc/test/unit/witness.c @@ -0,0 +1,280 @@ +#include "test/jemalloc_test.h" + +static witness_lock_error_t *witness_lock_error_orig; +static witness_owner_error_t *witness_owner_error_orig; +static witness_not_owner_error_t *witness_not_owner_error_orig; +static witness_depth_error_t *witness_depth_error_orig; + +static bool saw_lock_error; +static bool saw_owner_error; +static bool saw_not_owner_error; +static bool saw_depth_error; + +static void +witness_lock_error_intercept(const witness_list_t *witnesses, + const witness_t *witness) { + saw_lock_error = true; +} + +static void +witness_owner_error_intercept(const witness_t *witness) { + saw_owner_error = true; +} + +static void +witness_not_owner_error_intercept(const witness_t *witness) { + saw_not_owner_error = true; +} + +static void +witness_depth_error_intercept(const witness_list_t *witnesses, + witness_rank_t rank_inclusive, unsigned depth) { + saw_depth_error = true; +} + +static int +witness_comp(const witness_t *a, void *oa, const witness_t *b, void *ob) { + expect_u_eq(a->rank, b->rank, "Witnesses should have equal rank"); + + assert(oa == (void *)a); + assert(ob == (void *)b); + + return strcmp(a->name, b->name); +} + +static int +witness_comp_reverse(const witness_t *a, void *oa, const witness_t *b, + void *ob) { + expect_u_eq(a->rank, b->rank, "Witnesses should have equal rank"); + + assert(oa == (void *)a); + assert(ob == (void *)b); + + return -strcmp(a->name, b->name); +} + +TEST_BEGIN(test_witness) { + witness_t a, b; + witness_tsdn_t witness_tsdn = { WITNESS_TSD_INITIALIZER }; + + test_skip_if(!config_debug); + + witness_assert_lockless(&witness_tsdn); + witness_assert_depth(&witness_tsdn, 0); + witness_assert_depth_to_rank(&witness_tsdn, (witness_rank_t)1U, 0); + + witness_init(&a, "a", 1, NULL, NULL); + witness_assert_not_owner(&witness_tsdn, &a); + witness_lock(&witness_tsdn, &a); + witness_assert_owner(&witness_tsdn, &a); + witness_assert_depth(&witness_tsdn, 1); + witness_assert_depth_to_rank(&witness_tsdn, (witness_rank_t)1U, 1); + witness_assert_depth_to_rank(&witness_tsdn, (witness_rank_t)2U, 0); + + witness_init(&b, "b", 2, NULL, NULL); + witness_assert_not_owner(&witness_tsdn, &b); + witness_lock(&witness_tsdn, &b); + witness_assert_owner(&witness_tsdn, &b); + witness_assert_depth(&witness_tsdn, 2); + witness_assert_depth_to_rank(&witness_tsdn, (witness_rank_t)1U, 2); + witness_assert_depth_to_rank(&witness_tsdn, (witness_rank_t)2U, 1); + witness_assert_depth_to_rank(&witness_tsdn, (witness_rank_t)3U, 0); + + witness_unlock(&witness_tsdn, &a); + witness_assert_depth(&witness_tsdn, 1); + witness_assert_depth_to_rank(&witness_tsdn, (witness_rank_t)1U, 1); + witness_assert_depth_to_rank(&witness_tsdn, (witness_rank_t)2U, 1); + witness_assert_depth_to_rank(&witness_tsdn, (witness_rank_t)3U, 0); + witness_unlock(&witness_tsdn, &b); + + witness_assert_lockless(&witness_tsdn); + witness_assert_depth(&witness_tsdn, 0); + witness_assert_depth_to_rank(&witness_tsdn, (witness_rank_t)1U, 0); +} +TEST_END + +TEST_BEGIN(test_witness_comp) { + witness_t a, b, c, d; + witness_tsdn_t witness_tsdn = { WITNESS_TSD_INITIALIZER }; + + test_skip_if(!config_debug); + + witness_assert_lockless(&witness_tsdn); + + witness_init(&a, "a", 1, witness_comp, &a); + witness_assert_not_owner(&witness_tsdn, &a); + witness_lock(&witness_tsdn, &a); + witness_assert_owner(&witness_tsdn, &a); + witness_assert_depth(&witness_tsdn, 1); + + witness_init(&b, "b", 1, witness_comp, &b); + witness_assert_not_owner(&witness_tsdn, &b); + witness_lock(&witness_tsdn, &b); + witness_assert_owner(&witness_tsdn, &b); + witness_assert_depth(&witness_tsdn, 2); + witness_unlock(&witness_tsdn, &b); + witness_assert_depth(&witness_tsdn, 1); + + witness_lock_error_orig = witness_lock_error; + witness_lock_error = witness_lock_error_intercept; + saw_lock_error = false; + + witness_init(&c, "c", 1, witness_comp_reverse, &c); + witness_assert_not_owner(&witness_tsdn, &c); + expect_false(saw_lock_error, "Unexpected witness lock error"); + witness_lock(&witness_tsdn, &c); + expect_true(saw_lock_error, "Expected witness lock error"); + witness_unlock(&witness_tsdn, &c); + witness_assert_depth(&witness_tsdn, 1); + + saw_lock_error = false; + + witness_init(&d, "d", 1, NULL, NULL); + witness_assert_not_owner(&witness_tsdn, &d); + expect_false(saw_lock_error, "Unexpected witness lock error"); + witness_lock(&witness_tsdn, &d); + expect_true(saw_lock_error, "Expected witness lock error"); + witness_unlock(&witness_tsdn, &d); + witness_assert_depth(&witness_tsdn, 1); + + witness_unlock(&witness_tsdn, &a); + + witness_assert_lockless(&witness_tsdn); + + witness_lock_error = witness_lock_error_orig; +} +TEST_END + +TEST_BEGIN(test_witness_reversal) { + witness_t a, b; + witness_tsdn_t witness_tsdn = { WITNESS_TSD_INITIALIZER }; + + test_skip_if(!config_debug); + + witness_lock_error_orig = witness_lock_error; + witness_lock_error = witness_lock_error_intercept; + saw_lock_error = false; + + witness_assert_lockless(&witness_tsdn); + + witness_init(&a, "a", 1, NULL, NULL); + witness_init(&b, "b", 2, NULL, NULL); + + witness_lock(&witness_tsdn, &b); + witness_assert_depth(&witness_tsdn, 1); + expect_false(saw_lock_error, "Unexpected witness lock error"); + witness_lock(&witness_tsdn, &a); + expect_true(saw_lock_error, "Expected witness lock error"); + + witness_unlock(&witness_tsdn, &a); + witness_assert_depth(&witness_tsdn, 1); + witness_unlock(&witness_tsdn, &b); + + witness_assert_lockless(&witness_tsdn); + + witness_lock_error = witness_lock_error_orig; +} +TEST_END + +TEST_BEGIN(test_witness_recursive) { + witness_t a; + witness_tsdn_t witness_tsdn = { WITNESS_TSD_INITIALIZER }; + + test_skip_if(!config_debug); + + witness_not_owner_error_orig = witness_not_owner_error; + witness_not_owner_error = witness_not_owner_error_intercept; + saw_not_owner_error = false; + + witness_lock_error_orig = witness_lock_error; + witness_lock_error = witness_lock_error_intercept; + saw_lock_error = false; + + witness_assert_lockless(&witness_tsdn); + + witness_init(&a, "a", 1, NULL, NULL); + + witness_lock(&witness_tsdn, &a); + expect_false(saw_lock_error, "Unexpected witness lock error"); + expect_false(saw_not_owner_error, "Unexpected witness not owner error"); + witness_lock(&witness_tsdn, &a); + expect_true(saw_lock_error, "Expected witness lock error"); + expect_true(saw_not_owner_error, "Expected witness not owner error"); + + witness_unlock(&witness_tsdn, &a); + + witness_assert_lockless(&witness_tsdn); + + witness_owner_error = witness_owner_error_orig; + witness_lock_error = witness_lock_error_orig; + +} +TEST_END + +TEST_BEGIN(test_witness_unlock_not_owned) { + witness_t a; + witness_tsdn_t witness_tsdn = { WITNESS_TSD_INITIALIZER }; + + test_skip_if(!config_debug); + + witness_owner_error_orig = witness_owner_error; + witness_owner_error = witness_owner_error_intercept; + saw_owner_error = false; + + witness_assert_lockless(&witness_tsdn); + + witness_init(&a, "a", 1, NULL, NULL); + + expect_false(saw_owner_error, "Unexpected owner error"); + witness_unlock(&witness_tsdn, &a); + expect_true(saw_owner_error, "Expected owner error"); + + witness_assert_lockless(&witness_tsdn); + + witness_owner_error = witness_owner_error_orig; +} +TEST_END + +TEST_BEGIN(test_witness_depth) { + witness_t a; + witness_tsdn_t witness_tsdn = { WITNESS_TSD_INITIALIZER }; + + test_skip_if(!config_debug); + + witness_depth_error_orig = witness_depth_error; + witness_depth_error = witness_depth_error_intercept; + saw_depth_error = false; + + witness_assert_lockless(&witness_tsdn); + witness_assert_depth(&witness_tsdn, 0); + + witness_init(&a, "a", 1, NULL, NULL); + + expect_false(saw_depth_error, "Unexpected depth error"); + witness_assert_lockless(&witness_tsdn); + witness_assert_depth(&witness_tsdn, 0); + + witness_lock(&witness_tsdn, &a); + witness_assert_lockless(&witness_tsdn); + witness_assert_depth(&witness_tsdn, 0); + expect_true(saw_depth_error, "Expected depth error"); + + witness_unlock(&witness_tsdn, &a); + + witness_assert_lockless(&witness_tsdn); + witness_assert_depth(&witness_tsdn, 0); + + witness_depth_error = witness_depth_error_orig; +} +TEST_END + +int +main(void) { + return test( + test_witness, + test_witness_comp, + test_witness_reversal, + test_witness_recursive, + test_witness_unlock_not_owned, + test_witness_depth); +} |