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author | Andrew Bartlett <abartlet@samba.org> | 2011-06-24 16:26:23 +1000 |
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committer | Andrew Bartlett <abartlet@samba.org> | 2011-06-24 16:26:23 +1000 |
commit | 6da26870e0ae5acd6ff49a30ec2f6886b44d095e (patch) | |
tree | 850c71039563c16a5d563c47e7ba2ab645baf198 /lib/tdb2/test/run-30-exhaust-before-expand.c | |
parent | 6925a799d04c6fa59dd2ddef1f5510f9bb7d17d1 (diff) | |
parent | 2610c05b5b95cc7036b3d6dfb894c6cfbdb68483 (diff) | |
download | samba-6da26870e0ae5acd6ff49a30ec2f6886b44d095e.tar.gz samba-6da26870e0ae5acd6ff49a30ec2f6886b44d095e.tar.bz2 samba-6da26870e0ae5acd6ff49a30ec2f6886b44d095e.zip |
Merge 2610c05b5b95cc7036b3d6dfb894c6cfbdb68483 as Samba-4.0alpha16
Diffstat (limited to 'lib/tdb2/test/run-30-exhaust-before-expand.c')
-rw-r--r-- | lib/tdb2/test/run-30-exhaust-before-expand.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/lib/tdb2/test/run-30-exhaust-before-expand.c b/lib/tdb2/test/run-30-exhaust-before-expand.c new file mode 100644 index 0000000000..2386f85f26 --- /dev/null +++ b/lib/tdb2/test/run-30-exhaust-before-expand.c @@ -0,0 +1,79 @@ +#include <ccan/tdb2/tdb.c> +#include <ccan/tdb2/open.c> +#include <ccan/tdb2/free.c> +#include <ccan/tdb2/lock.c> +#include <ccan/tdb2/io.c> +#include <ccan/tdb2/check.c> +#include <ccan/tdb2/hash.c> +#include <ccan/tdb2/transaction.c> +#include <ccan/tap/tap.h> +#include <err.h> +#include "logging.h" + +static bool empty_freetable(struct tdb_context *tdb) +{ + struct tdb_freetable ftab; + unsigned int i; + + /* Now, free table should be completely exhausted in zone 0 */ + if (tdb_read_convert(tdb, tdb->ftable_off, &ftab, sizeof(ftab)) != 0) + abort(); + + for (i = 0; i < sizeof(ftab.buckets)/sizeof(ftab.buckets[0]); i++) { + if (ftab.buckets[i]) + return false; + } + return true; +} + + +int main(int argc, char *argv[]) +{ + unsigned int i, j; + struct tdb_context *tdb; + int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP, + TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT, + TDB_NOMMAP|TDB_CONVERT }; + + plan_tests(sizeof(flags) / sizeof(flags[0]) * 9 + 1); + + for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) { + TDB_DATA k; + uint64_t size; + bool was_empty = false; + + k.dptr = (void *)&j; + k.dsize = sizeof(j); + + tdb = tdb_open("run-30-exhaust-before-expand.tdb", flags[i], + O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr); + ok1(tdb); + if (!tdb) + continue; + + ok1(empty_freetable(tdb)); + /* Need some hash lock for expand. */ + ok1(tdb_lock_hashes(tdb, 0, 1, F_WRLCK, TDB_LOCK_WAIT) == 0); + /* Create some free space. */ + ok1(tdb_expand(tdb, 1) == 0); + ok1(tdb_unlock_hashes(tdb, 0, 1, F_WRLCK) == 0); + ok1(tdb_check(tdb, NULL, NULL) == 0); + ok1(!empty_freetable(tdb)); + + size = tdb->file->map_size; + /* Insert minimal-length records until we expand. */ + for (j = 0; tdb->file->map_size == size; j++) { + was_empty = empty_freetable(tdb); + if (tdb_store(tdb, k, k, TDB_INSERT) != 0) + err(1, "Failed to store record %i", j); + } + + /* Would have been empty before expansion, but no longer. */ + ok1(was_empty); + ok1(!empty_freetable(tdb)); + tdb_close(tdb); + } + + ok1(tap_log_messages == 0); + return exit_status(); +} |