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-rw-r--r--deps/jemalloc/test/unit/witness.c280
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..5986da4
--- /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) {
+ assert_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) {
+ assert_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);
+ assert_false(saw_lock_error, "Unexpected witness lock error");
+ witness_lock(&witness_tsdn, &c);
+ assert_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);
+ assert_false(saw_lock_error, "Unexpected witness lock error");
+ witness_lock(&witness_tsdn, &d);
+ assert_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);
+ assert_false(saw_lock_error, "Unexpected witness lock error");
+ witness_lock(&witness_tsdn, &a);
+ assert_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);
+ assert_false(saw_lock_error, "Unexpected witness lock error");
+ assert_false(saw_not_owner_error, "Unexpected witness not owner error");
+ witness_lock(&witness_tsdn, &a);
+ assert_true(saw_lock_error, "Expected witness lock error");
+ assert_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);
+
+ assert_false(saw_owner_error, "Unexpected owner error");
+ witness_unlock(&witness_tsdn, &a);
+ assert_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);
+
+ assert_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);
+ assert_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);
+}