From: Volker Lendecke <vl@samba.org>
Date: Thu, 4 Oct 2018 19:41:27 +0000 (+0200)
Subject: tdb: Basic test for circular hash chain fix
X-Git-Tag: tdb-1.3.17~1384
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bdacc41f4610478bb184815b89a26d875d075bf8;p=thirdparty%2Fsamba.git

tdb: Basic test for circular hash chain fix

This just walks tdb_find by searching for a nonexistent record

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

diff --git a/lib/tdb/test/circular_chain.tdb b/lib/tdb/test/circular_chain.tdb
new file mode 100644
index 00000000000..1e143d347af
Binary files /dev/null and b/lib/tdb/test/circular_chain.tdb differ
diff --git a/lib/tdb/test/run-circular-chain.c b/lib/tdb/test/run-circular-chain.c
new file mode 100644
index 00000000000..4fb32a26e0f
--- /dev/null
+++ b/lib/tdb/test/run-circular-chain.c
@@ -0,0 +1,42 @@
+#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;
+
+	plan_tests(3);
+	tdb = tdb_open_ex(
+		"test/circular_chain.tdb",
+		0,
+		TDB_DEFAULT,
+		O_RDONLY,
+		0600,
+		&taplogctx,
+		NULL);
+
+	ok1(tdb);
+	key.dsize = strlen("x");
+	key.dptr = discard_const_p(uint8_t, "x");
+
+	ok1(tdb_exists(tdb, key) == 0);
+	ok1(tdb_error(tdb) == TDB_ERR_CORRUPT);
+
+	tdb_close(tdb);
+
+	return exit_status();
+}
diff --git a/lib/tdb/wscript b/lib/tdb/wscript
index 6ffca9e34b7..7a08c80f466 100644
--- a/lib/tdb/wscript
+++ b/lib/tdb/wscript
@@ -55,6 +55,7 @@ tdb1_unit_tests = [
     'run-mutex-transaction1',
     'run-mutex-die',
     'run-mutex1',
+    'run-circular-chain',
 ]
 
 def options(opt):