diff options
Diffstat (limited to 'tests/t0701-table.c')
| -rw-r--r-- | tests/t0701-table.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/tests/t0701-table.c b/tests/t0701-table.c new file mode 100644 index 000000000..21d57a645 --- /dev/null +++ b/tests/t0701-table.c @@ -0,0 +1,134 @@ +#include "test_lib.h" +#include "test_helpers.h" +#include "commit.h" +#include "hash.h" +#include "hashtable.h" + +typedef struct table_item +{ + int __bulk; + git_oid id; +} table_item; + + +uint32_t hash_func(const void *key) +{ + uint32_t r; + git_oid *id; + + id = (git_oid *)key; + memcpy(&r, id->id, sizeof(r)); + return r; +} + +int hash_haskey(void *item, const void *key) +{ + table_item *obj; + git_oid *oid; + + obj = (table_item *)item; + oid = (git_oid *)key; + + return (git_oid_cmp(oid, &obj->id) == 0); +} + +BEGIN_TEST(table_create) + + git_hashtable *table = NULL; + + table = git_hashtable_alloc(55, hash_func, hash_haskey); + must_be_true(table != NULL); + must_be_true(table->size_mask + 1 == 64); + + git_hashtable_free(table); + +END_TEST + +BEGIN_TEST(table_populate) + + const int objects_n = 32; + int i; + + table_item *objects; + git_hashtable *table = NULL; + + table = git_hashtable_alloc(objects_n * 2, hash_func, hash_haskey); + must_be_true(table != NULL); + + objects = git__malloc(objects_n * sizeof(table_item)); + memset(objects, 0x0, objects_n * sizeof(table_item)); + + /* populate the hash table */ + for (i = 0; i < objects_n; ++i) { + git_hash_buf(&(objects[i].id), &i, sizeof(int)); + must_pass(git_hashtable_insert(table, &(objects[i].id), &(objects[i]))); + } + + /* make sure all the inserted objects can be found */ + for (i = 0; i < objects_n; ++i) { + git_oid id; + table_item *ob; + + git_hash_buf(&id, &i, sizeof(int)); + ob = (table_item *)git_hashtable_lookup(table, &id); + + must_be_true(ob != NULL); + must_be_true(ob == &(objects[i])); + } + + /* make sure we cannot find inexisting objects */ + for (i = 0; i < 50; ++i) { + int hash_id; + git_oid id; + + hash_id = (rand() % 50000) + objects_n; + git_hash_buf(&id, &hash_id, sizeof(int)); + must_be_true(git_hashtable_lookup(table, &id) == NULL); + } + + git_hashtable_free(table); + free(objects); + +END_TEST + + +BEGIN_TEST(table_resize) + + const int objects_n = 64; + int i; + unsigned int old_size; + table_item *objects; + git_hashtable *table = NULL; + + table = git_hashtable_alloc(objects_n, hash_func, hash_haskey); + must_be_true(table != NULL); + + objects = git__malloc(objects_n * sizeof(table_item)); + memset(objects, 0x0, objects_n * sizeof(table_item)); + + old_size = table->size_mask + 1; + + /* populate the hash table -- should be automatically resized */ + for (i = 0; i < objects_n; ++i) { + git_hash_buf(&(objects[i].id), &i, sizeof(int)); + must_pass(git_hashtable_insert(table, &(objects[i].id), &(objects[i]))); + } + + must_be_true(table->size_mask > old_size); + + /* make sure all the inserted objects can be found */ + for (i = 0; i < objects_n; ++i) { + git_oid id; + table_item *ob; + + git_hash_buf(&id, &i, sizeof(int)); + ob = (table_item *)git_hashtable_lookup(table, &id); + + must_be_true(ob != NULL); + must_be_true(ob == &(objects[i])); + } + + git_hashtable_free(table); + free(objects); + +END_TEST |
