1 #include <ccan/tdb2/tdb.c>
2 #include <ccan/tdb2/free.c>
3 #include <ccan/tdb2/lock.c>
4 #include <ccan/tdb2/io.c>
5 #include <ccan/tdb2/check.c>
6 #include <ccan/tap/tap.h>
9 int main(int argc, char *argv[])
13 struct tdb_context *tdb;
14 int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
15 TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT,
16 TDB_NOMMAP|TDB_CONVERT };
18 plan_tests(sizeof(flags) / sizeof(flags[0]) * 18 + 1);
20 for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
21 tdb = tdb_open("run-expand.tdb", flags[i],
22 O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
27 /* First expand. Should add a zone, doubling file size.. */
28 val = tdb->map_size - 1 - sizeof(struct tdb_header);
29 ok1(tdb_expand(tdb, 1, 1, false) == 0);
30 ok1(tdb->map_size == 2 * val + 1 + sizeof(struct tdb_header));
31 ok1(tdb_check(tdb, NULL, NULL) == 0);
33 /* Second expand, add another zone of same size. */
34 ok1(tdb_expand(tdb, 1, 1, false) == 0);
35 ok1(tdb->map_size == 3 * val + 1 + sizeof(struct tdb_header));
36 ok1(tdb_check(tdb, NULL, NULL) == 0);
38 /* Large expand, but can only add 4th zone of same size. */
39 ok1(tdb_expand(tdb, 0, 4*val, false) == 0);
40 ok1(tdb->map_size == 4 * val + 1 + sizeof(struct tdb_header));
41 ok1(tdb_check(tdb, NULL, NULL) == 0);
43 /* Large expand now will double file. */
44 ok1(tdb_expand(tdb, 0, 4*val, false) == 0);
45 ok1(tdb->map_size == 8 * val + 1 + sizeof(struct tdb_header));
46 ok1(tdb_check(tdb, NULL, NULL) == 0);
49 ok1(tdb_expand(tdb, 0, 4*val, false) == 0);
50 ok1(tdb->map_size == 16 * val + 1 + sizeof(struct tdb_header));
51 ok1(tdb_check(tdb, NULL, NULL) == 0);
53 /* Below comfort level, will add a single 8*val zone. */
54 ok1(tdb_expand(tdb, 0, ((8*val) >> TDB_COMFORT_FACTOR_BITS)
55 - sizeof(struct tdb_used_record), false) == 0);
56 ok1(tdb->map_size == 24 * val + 1 + sizeof(struct tdb_header));
60 ok1(tap_log_messages == 0);