summaryrefslogtreecommitdiff
path: root/lib/tdb2/test/run-30-exhaust-before-expand.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/tdb2/test/run-30-exhaust-before-expand.c')
-rw-r--r--lib/tdb2/test/run-30-exhaust-before-expand.c79
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();
+}