d0e93ada51
This makes it possible to make lock state assertions about precisely which locks are held.
293 lines
7.1 KiB
C
293 lines
7.1 KiB
C
#include "test/jemalloc_test.h"
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static witness_lock_error_t *witness_lock_error_orig;
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static witness_owner_error_t *witness_owner_error_orig;
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static witness_not_owner_error_t *witness_not_owner_error_orig;
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static witness_depth_error_t *witness_depth_error_orig;
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static bool saw_lock_error;
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static bool saw_owner_error;
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static bool saw_not_owner_error;
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static bool saw_depth_error;
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static void
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witness_lock_error_intercept(const witness_list_t *witnesses,
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const witness_t *witness) {
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saw_lock_error = true;
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}
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static void
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witness_owner_error_intercept(const witness_t *witness) {
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saw_owner_error = true;
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}
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static void
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witness_not_owner_error_intercept(const witness_t *witness) {
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saw_not_owner_error = true;
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}
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static void
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witness_depth_error_intercept(const witness_list_t *witnesses,
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witness_rank_t rank_inclusive, unsigned depth) {
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saw_depth_error = true;
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}
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static int
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witness_comp(const witness_t *a, void *oa, const witness_t *b, void *ob) {
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assert_u_eq(a->rank, b->rank, "Witnesses should have equal rank");
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assert(oa == (void *)a);
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assert(ob == (void *)b);
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return strcmp(a->name, b->name);
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}
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static int
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witness_comp_reverse(const witness_t *a, void *oa, const witness_t *b,
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void *ob) {
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assert_u_eq(a->rank, b->rank, "Witnesses should have equal rank");
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assert(oa == (void *)a);
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assert(ob == (void *)b);
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return -strcmp(a->name, b->name);
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}
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TEST_BEGIN(test_witness) {
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witness_t a, b;
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tsdn_t *tsdn;
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test_skip_if(!config_debug);
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tsdn = tsdn_fetch();
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witness_assert_lockless(tsdn);
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witness_assert_depth(tsdn, 0);
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witness_assert_depth_to_rank(tsdn, (witness_rank_t)1U, 0);
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witness_init(&a, "a", 1, NULL, NULL);
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witness_assert_not_owner(tsdn, &a);
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witness_lock(tsdn, &a);
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witness_assert_owner(tsdn, &a);
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witness_assert_depth(tsdn, 1);
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witness_assert_depth_to_rank(tsdn, (witness_rank_t)1U, 1);
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witness_assert_depth_to_rank(tsdn, (witness_rank_t)2U, 0);
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witness_init(&b, "b", 2, NULL, NULL);
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witness_assert_not_owner(tsdn, &b);
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witness_lock(tsdn, &b);
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witness_assert_owner(tsdn, &b);
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witness_assert_depth(tsdn, 2);
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witness_assert_depth_to_rank(tsdn, (witness_rank_t)1U, 2);
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witness_assert_depth_to_rank(tsdn, (witness_rank_t)2U, 1);
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witness_assert_depth_to_rank(tsdn, (witness_rank_t)3U, 0);
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witness_unlock(tsdn, &a);
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witness_assert_depth(tsdn, 1);
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witness_assert_depth_to_rank(tsdn, (witness_rank_t)1U, 1);
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witness_assert_depth_to_rank(tsdn, (witness_rank_t)2U, 1);
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witness_assert_depth_to_rank(tsdn, (witness_rank_t)3U, 0);
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witness_unlock(tsdn, &b);
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witness_assert_lockless(tsdn);
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witness_assert_depth(tsdn, 0);
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witness_assert_depth_to_rank(tsdn, (witness_rank_t)1U, 0);
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}
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TEST_END
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TEST_BEGIN(test_witness_comp) {
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witness_t a, b, c, d;
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tsdn_t *tsdn;
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test_skip_if(!config_debug);
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tsdn = tsdn_fetch();
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witness_assert_lockless(tsdn);
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witness_init(&a, "a", 1, witness_comp, &a);
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witness_assert_not_owner(tsdn, &a);
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witness_lock(tsdn, &a);
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witness_assert_owner(tsdn, &a);
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witness_assert_depth(tsdn, 1);
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witness_init(&b, "b", 1, witness_comp, &b);
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witness_assert_not_owner(tsdn, &b);
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witness_lock(tsdn, &b);
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witness_assert_owner(tsdn, &b);
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witness_assert_depth(tsdn, 2);
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witness_unlock(tsdn, &b);
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witness_assert_depth(tsdn, 1);
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witness_lock_error_orig = witness_lock_error;
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witness_lock_error = witness_lock_error_intercept;
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saw_lock_error = false;
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witness_init(&c, "c", 1, witness_comp_reverse, &c);
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witness_assert_not_owner(tsdn, &c);
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assert_false(saw_lock_error, "Unexpected witness lock error");
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witness_lock(tsdn, &c);
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assert_true(saw_lock_error, "Expected witness lock error");
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witness_unlock(tsdn, &c);
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witness_assert_depth(tsdn, 1);
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saw_lock_error = false;
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witness_init(&d, "d", 1, NULL, NULL);
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witness_assert_not_owner(tsdn, &d);
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assert_false(saw_lock_error, "Unexpected witness lock error");
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witness_lock(tsdn, &d);
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assert_true(saw_lock_error, "Expected witness lock error");
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witness_unlock(tsdn, &d);
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witness_assert_depth(tsdn, 1);
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witness_unlock(tsdn, &a);
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witness_assert_lockless(tsdn);
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witness_lock_error = witness_lock_error_orig;
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}
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TEST_END
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TEST_BEGIN(test_witness_reversal) {
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witness_t a, b;
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tsdn_t *tsdn;
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test_skip_if(!config_debug);
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witness_lock_error_orig = witness_lock_error;
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witness_lock_error = witness_lock_error_intercept;
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saw_lock_error = false;
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tsdn = tsdn_fetch();
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witness_assert_lockless(tsdn);
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witness_init(&a, "a", 1, NULL, NULL);
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witness_init(&b, "b", 2, NULL, NULL);
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witness_lock(tsdn, &b);
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witness_assert_depth(tsdn, 1);
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assert_false(saw_lock_error, "Unexpected witness lock error");
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witness_lock(tsdn, &a);
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assert_true(saw_lock_error, "Expected witness lock error");
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witness_unlock(tsdn, &a);
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witness_assert_depth(tsdn, 1);
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witness_unlock(tsdn, &b);
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witness_assert_lockless(tsdn);
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witness_lock_error = witness_lock_error_orig;
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}
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TEST_END
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TEST_BEGIN(test_witness_recursive) {
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witness_t a;
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tsdn_t *tsdn;
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test_skip_if(!config_debug);
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witness_not_owner_error_orig = witness_not_owner_error;
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witness_not_owner_error = witness_not_owner_error_intercept;
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saw_not_owner_error = false;
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witness_lock_error_orig = witness_lock_error;
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witness_lock_error = witness_lock_error_intercept;
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saw_lock_error = false;
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tsdn = tsdn_fetch();
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witness_assert_lockless(tsdn);
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witness_init(&a, "a", 1, NULL, NULL);
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witness_lock(tsdn, &a);
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assert_false(saw_lock_error, "Unexpected witness lock error");
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assert_false(saw_not_owner_error, "Unexpected witness not owner error");
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witness_lock(tsdn, &a);
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assert_true(saw_lock_error, "Expected witness lock error");
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assert_true(saw_not_owner_error, "Expected witness not owner error");
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witness_unlock(tsdn, &a);
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witness_assert_lockless(tsdn);
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witness_owner_error = witness_owner_error_orig;
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witness_lock_error = witness_lock_error_orig;
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}
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TEST_END
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TEST_BEGIN(test_witness_unlock_not_owned) {
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witness_t a;
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tsdn_t *tsdn;
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test_skip_if(!config_debug);
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witness_owner_error_orig = witness_owner_error;
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witness_owner_error = witness_owner_error_intercept;
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saw_owner_error = false;
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tsdn = tsdn_fetch();
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witness_assert_lockless(tsdn);
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witness_init(&a, "a", 1, NULL, NULL);
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assert_false(saw_owner_error, "Unexpected owner error");
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witness_unlock(tsdn, &a);
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assert_true(saw_owner_error, "Expected owner error");
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witness_assert_lockless(tsdn);
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witness_owner_error = witness_owner_error_orig;
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}
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TEST_END
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TEST_BEGIN(test_witness_depth) {
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witness_t a;
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tsdn_t *tsdn;
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test_skip_if(!config_debug);
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witness_depth_error_orig = witness_depth_error;
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witness_depth_error = witness_depth_error_intercept;
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saw_depth_error = false;
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tsdn = tsdn_fetch();
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witness_assert_lockless(tsdn);
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witness_assert_depth(tsdn, 0);
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witness_init(&a, "a", 1, NULL, NULL);
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assert_false(saw_depth_error, "Unexpected depth error");
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witness_assert_lockless(tsdn);
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witness_assert_depth(tsdn, 0);
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witness_lock(tsdn, &a);
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witness_assert_lockless(tsdn);
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witness_assert_depth(tsdn, 0);
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assert_true(saw_depth_error, "Expected depth error");
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witness_unlock(tsdn, &a);
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witness_assert_lockless(tsdn);
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witness_assert_depth(tsdn, 0);
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witness_depth_error = witness_depth_error_orig;
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}
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TEST_END
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int
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main(void) {
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return test(
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test_witness,
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test_witness_comp,
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test_witness_reversal,
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test_witness_recursive,
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test_witness_unlock_not_owned,
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test_witness_depth);
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}
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