+ plan_tests(sizeof(flags) / sizeof(flags[0]) * 40 + 1);
+
+ /* First, lower level expansion tests. */
+ for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+ tdb = tdb_open("/tmp/run-new_database.tdb", flags[i],
+ O_RDWR|O_CREAT|O_TRUNC, 0600, NULL);
+ tdb->log = tap_log_fn;
+ ok1(tdb);
+ if (!tdb)
+ continue;
+
+ ok1(tdb_allrecord_lock(tdb, F_WRLCK, TDB_LOCK_WAIT, false)
+ == 0);
+
+ /* Expanding file is pretty easy. */
+ off = expand_to_fill_zones(tdb);
+ ok1(off > 0 && off != TDB_OFF_ERR);
+ check(tdb);
+
+ /* Second expand should do nothing. */
+ ok1(expand_to_fill_zones(tdb) == 0);
+ check(tdb);
+
+ /* Now, try adding a zone. */
+ val = tdb->header.v.num_zones + 1;
+ ok1(update_zones(tdb, val,
+ tdb->header.v.zone_bits,
+ tdb->header.v.free_buckets,
+ 1ULL << tdb->header.v.zone_bits) == 0);
+ ok1(tdb->header.v.num_zones == val);
+ check(tdb);
+
+ /* Now, try doubling zone size. */
+ val = tdb->header.v.zone_bits + 1;
+ ok1(update_zones(tdb, tdb->header.v.num_zones,
+ val,
+ tdb->header.v.free_buckets,
+ 1ULL << val) == 0);
+ ok1(tdb->header.v.zone_bits == val);
+ check(tdb);
+
+ /* Now, try adding a zone, and a bucket. */
+ val = tdb->header.v.num_zones + 1;
+ buckets = tdb->header.v.free_buckets + 1;
+ ok1(update_zones(tdb, val,
+ tdb->header.v.zone_bits,
+ buckets,
+ 1ULL << tdb->header.v.zone_bits) == 0);
+ ok1(tdb->header.v.num_zones == val);
+ ok1(tdb->header.v.free_buckets == buckets);
+ check(tdb);
+
+ /* Now, try doubling zone size, and adding a bucket. */
+ val = tdb->header.v.zone_bits + 1;
+ buckets = tdb->header.v.free_buckets + 1;
+ ok1(update_zones(tdb, tdb->header.v.num_zones,
+ val,
+ buckets,
+ 1ULL << val) == 0);
+ ok1(tdb->header.v.zone_bits == val);
+ ok1(tdb->header.v.free_buckets == buckets);
+ check(tdb);
+
+ /* Now, try massive zone increase. */
+ val = tdb->header.v.zone_bits + 4;
+ ok1(update_zones(tdb, tdb->header.v.num_zones,
+ val,
+ tdb->header.v.free_buckets,
+ 1ULL << val) == 0);
+ ok1(tdb->header.v.zone_bits == val);
+ check(tdb);
+
+ tdb_allrecord_unlock(tdb, F_WRLCK);
+ tdb_close(tdb);
+ }
+
+ /* Now using tdb_expand. */