void zhash_test (int verbose) { printf (" * zhash: "); // @selftest zhash_t *hash = zhash_new (); assert (hash); assert (zhash_size (hash) == 0); // Insert some items int rc; rc = zhash_insert (hash, "DEADBEEF", "dead beef"); assert (rc == 0); rc = zhash_insert (hash, "ABADCAFE", "a bad cafe"); assert (rc == 0); rc = zhash_insert (hash, "C0DEDBAD", "coded bad"); assert (rc == 0); rc = zhash_insert (hash, "DEADF00D", "dead food"); assert (rc == 0); assert (zhash_size (hash) == 4); // Look for existing items char *item; item = (char *) zhash_lookup (hash, "DEADBEEF"); assert (streq (item, "dead beef")); item = (char *) zhash_lookup (hash, "ABADCAFE"); assert (streq (item, "a bad cafe")); item = (char *) zhash_lookup (hash, "C0DEDBAD"); assert (streq (item, "coded bad")); item = (char *) zhash_lookup (hash, "DEADF00D"); assert (streq (item, "dead food")); // Look for non-existent items item = (char *) zhash_lookup (hash, "foo"); assert (item == NULL); // Try to insert duplicate items rc = zhash_insert (hash, "DEADBEEF", "foo"); assert (rc == -1); item = (char *) zhash_lookup (hash, "DEADBEEF"); assert (streq (item, "dead beef")); // Some rename tests // Valid rename, key is now LIVEBEEF rc = zhash_rename (hash, "DEADBEEF", "LIVEBEEF"); assert (rc == 0); item = (char *) zhash_lookup (hash, "LIVEBEEF"); assert (streq (item, "dead beef")); // Trying to rename an unknown item to a non-existent key rc = zhash_rename (hash, "WHATBEEF", "NONESUCH"); assert (rc == -1); // Trying to rename an unknown item to an existing key rc = zhash_rename (hash, "WHATBEEF", "LIVEBEEF"); assert (rc == -1); item = (char *) zhash_lookup (hash, "LIVEBEEF"); assert (streq (item, "dead beef")); // Trying to rename an existing item to another existing item rc = zhash_rename (hash, "LIVEBEEF", "ABADCAFE"); assert (rc == -1); item = (char *) zhash_lookup (hash, "LIVEBEEF"); assert (streq (item, "dead beef")); item = (char *) zhash_lookup (hash, "ABADCAFE"); assert (streq (item, "a bad cafe")); // Test keys method zlist_t *keys = zhash_keys (hash); assert (zlist_size (keys) == 4); zlist_destroy (&keys); // Test dup method zhash_t *copy = zhash_dup (hash); assert (zhash_size (copy) == 4); item = (char *) zhash_lookup (copy, "LIVEBEEF"); assert (item); assert (streq (item, "dead beef")); zhash_destroy (©); // Test pack/unpack methods zframe_t *frame = zhash_pack (hash); copy = zhash_unpack (frame); zframe_destroy (&frame); assert (zhash_size (copy) == 4); item = (char *) zhash_lookup (copy, "LIVEBEEF"); assert (item); assert (streq (item, "dead beef")); zhash_destroy (©); // Test foreach rc = zhash_foreach (hash, test_foreach, hash); assert (rc == 0); rc = zhash_foreach (hash, test_foreach_error, hash); assert (rc == -1); // Test save and load zhash_comment (hash, "This is a test file"); zhash_comment (hash, "Created by %s", "czmq_selftest"); zhash_save (hash, ".cache"); copy = zhash_new (); zhash_load (copy, ".cache"); item = (char *) zhash_lookup (copy, "LIVEBEEF"); assert (item); assert (streq (item, "dead beef")); zhash_destroy (©); zsys_file_delete (".cache"); // Delete a item zhash_delete (hash, "LIVEBEEF"); item = (char *) zhash_lookup (hash, "LIVEBEEF"); assert (item == NULL); assert (zhash_size (hash) == 3); // Check that the queue is robust against random usage struct { char name [100]; bool exists; } testset [200]; memset (testset, 0, sizeof (testset)); int testmax = 200, testnbr, iteration; srandom ((unsigned) time (NULL)); for (iteration = 0; iteration < 25000; iteration++) { testnbr = randof (testmax); if (testset [testnbr].exists) { item = (char *) zhash_lookup (hash, testset [testnbr].name); assert (item); zhash_delete (hash, testset [testnbr].name); testset [testnbr].exists = false; } else { sprintf (testset [testnbr].name, "%x-%x", rand (), rand ()); if (zhash_insert (hash, testset [testnbr].name, "") == 0) testset [testnbr].exists = true; } } // Test 10K lookups for (iteration = 0; iteration < 10000; iteration++) item = (char *) zhash_lookup (hash, "DEADBEEFABADCAFE"); // Destructor should be safe to call twice zhash_destroy (&hash); zhash_destroy (&hash); assert (hash == NULL); // Test autofree; automatically copies and frees string values hash = zhash_new (); zhash_autofree (hash); char value [255]; strcpy (value, "This is a string"); rc = zhash_insert (hash, "key1", value); assert (rc == 0); strcpy (value, "Ring a ding ding"); rc = zhash_insert (hash, "key2", value); assert (rc == 0); assert (streq ((char *) zhash_lookup (hash, "key1"), "This is a string")); assert (streq ((char *) zhash_lookup (hash, "key2"), "Ring a ding ding")); zhash_destroy (&hash); // @end printf ("OK\n"); }
/// // Add a comment to hash table before saving to disk. You can add as many // comment lines as you like. These comment lines are discarded when loading // the file. If you use a null format, all comments are deleted. void QZhash::comment (const QString ¶m) { zhash_comment (self, "%s", param.toUtf8().data()); }