tdb: Add test for tdb_traverse_chain

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

2 files changed, 95 insertions, 0 deletions

diff --git a/lib/tdb/test/run-traverse-chain.c b/lib/tdb/test/run-traverse-chain.c
new file mode 100644
index 00000000000..2a25beca3f0
--- /dev/null
+++ b/lib/tdb/test/run-traverse-chain.c
@@ -0,0 +1,94 @@
+#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"
+
+static char keystr0[] = "x";
+static TDB_DATA key0 = { .dptr = (uint8_t *)keystr0,
+			 .dsize = sizeof(keystr0) };
+static char valuestr0[] = "y";
+static TDB_DATA value0 = { .dptr = (uint8_t *)valuestr0,
+			   .dsize = sizeof(valuestr0) };
+
+static char keystr1[] = "aaa";
+static TDB_DATA key1 = { .dptr = (uint8_t *)keystr1,
+			 .dsize = sizeof(keystr1) };
+static char valuestr1[] = "bbbbb";
+static TDB_DATA value1 = { .dptr = (uint8_t *)valuestr1,
+			   .dsize = sizeof(valuestr1) };
+
+static TDB_DATA *keys[] = { &key0, &key1 };
+static TDB_DATA *values[] = { &value0, &value1 };
+
+static bool tdb_data_same(TDB_DATA d1, TDB_DATA d2)
+{
+	if (d1.dsize != d2.dsize) {
+		return false;
+	}
+	return (memcmp(d1.dptr, d2.dptr, d1.dsize) == 0);
+}
+
+struct traverse_chain_state {
+	size_t idx;
+	bool ok;
+};
+
+static int traverse_chain_fn(struct tdb_context *tdb,
+			     TDB_DATA key,
+			     TDB_DATA data,
+			     void *private_data)
+{
+	struct traverse_chain_state *state = private_data;
+
+	state->ok &= tdb_data_same(key, *keys[state->idx]);
+	state->ok &= tdb_data_same(data, *values[state->idx]);
+	state->idx += 1;
+
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	struct tdb_context *tdb;
+	struct traverse_chain_state state = { .ok = true };
+	int ret;
+
+	plan_tests(4);
+
+	tdb = tdb_open_ex(
+		"traverse_chain.tdb",
+		1,
+		TDB_CLEAR_IF_FIRST,
+		O_RDWR|O_CREAT,
+		0600,
+		&taplogctx,
+		NULL);
+	ok1(tdb);
+
+	/* add in reverse order, tdb_store adds to the front of the list */
+	ret = tdb_store(tdb, key1, value1, TDB_INSERT);
+	ok1(ret == 0);
+	ret = tdb_store(tdb, key0, value0, TDB_INSERT);
+	ok1(ret == 0);
+
+	ret = tdb_traverse_key_chain(tdb, key0, traverse_chain_fn, &state);
+	ok1(ret == 2);
+	ok1(state.ok);
+
+	unlink(tdb_name(tdb));
+
+	tdb_close(tdb);
+
+	return exit_status();
+}
diff --git a/lib/tdb/wscript b/lib/tdb/wscript
index 3ab21fcebc1..483d8e0ebec 100644
--- a/lib/tdb/wscript
+++ b/lib/tdb/wscript
@@ -57,6 +57,7 @@ tdb1_unit_tests = [
     'run-mutex1',
     'run-circular-chain',
     'run-circular-freelist',
+    'run-traverse-chain',
 ]
 
 def options(opt):