tdb: Basic test for circular freelist fix

Try to store a record for which the (circular) freelist does not have
any entry.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

diff --git a/lib/tdb/test/circular_freelist.tdb b/lib/tdb/test/circular_freelist.tdb
new file mode 100644 (file)
index 0000000..f1c85e5
Binary files /dev/null and b/lib/tdb/test/circular_freelist.tdb differ

diff --git a/lib/tdb/test/run-circular-freelist.c b/lib/tdb/test/run-circular-freelist.c
new file mode 100644 (file)
index 0000000..f1bec87
--- /dev/null
+++ b/lib/tdb/test/run-circular-freelist.c
@@ -0,0 +1,50 @@
+#include "../common/tdb_private.h"
+#include "../common/io.c"
+#include "../common/tdb.c"
+#include "../common/lock.c"
+#include "../common/freelist.c"
+#include "../common/traverse.c"
+#include "../common/transaction.c"
+#include "../common/error.c"
+#include "../common/open.c"
+#include "../common/check.c"
+#include "../common/hash.c"
+#include "../common/mutex.c"
+#include "tap-interface.h"
+#include <stdlib.h>
+#include "logging.h"
+
+int main(int argc, char *argv[])
+{
+       struct tdb_context *tdb;
+       TDB_DATA key, data;
+
+       plan_tests(3);
+       tdb = tdb_open_ex(
+               "test/circular_freelist.tdb",
+               0,
+               TDB_DEFAULT,
+               O_RDWR,
+               0600,
+               &taplogctx,
+               NULL);
+
+       ok1(tdb);
+
+       /*
+        * All freelist records are just 1 byte key and value. Insert
+        * something that will walk the whole freelist and hit the
+        * circle.
+        */
+       key.dsize = strlen("x");
+       key.dptr = discard_const_p(uint8_t, "x");
+       data.dsize = strlen("too long");
+       data.dptr = discard_const_p(uint8_t, "too long");
+
+       ok1(tdb_store(tdb, key, data, TDB_INSERT) == -1);
+       ok1(tdb_error(tdb) == TDB_ERR_CORRUPT);
+
+       tdb_close(tdb);
+
+       return exit_status();
+}

diff --git a/lib/tdb/wscript b/lib/tdb/wscript
index 7a08c80f466d85690db3dc77eae3b6431661d27e..3ab21fcebc1bf7588f514457f4d7f899f8a1e2af 100644 (file)
--- a/lib/tdb/wscript
+++ b/lib/tdb/wscript
@@ -56,6 +56,7 @@ tdb1_unit_tests = [
     'run-mutex-die',
     'run-mutex1',
     'run-circular-chain',
+    'run-circular-freelist',
 ]
 
 def options(opt):