1 files changed, 111 insertions, 0 deletions
diff --git a/lib/tdb/test/run-nested-traverse.c b/lib/tdb/test/run-nested-traverse.c
new file mode 100644
index 0000000..aeaa085
--- /dev/null
+++ b/lib/tdb/test/run-nested-traverse.c
@@ -0,0 +1,111 @@
+#include "../common/tdb_private.h"
+#include "lock-tracking.h"
+#define fcntl fcntl_with_lockcheck
+#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"
+#undef fcntl
+#include <stdlib.h>
+#include <stdbool.h>
+#include "external-agent.h"
+#include "logging.h"
+
+static struct agent *agent;
+
+static bool correct_key(TDB_DATA key)
+{
+	return key.dsize == strlen("hi")
+		&& memcmp(key.dptr, "hi", key.dsize) == 0;
+}
+
+static bool correct_data(TDB_DATA data)
+{
+	return data.dsize == strlen("world")
+		&& memcmp(data.dptr, "world", data.dsize) == 0;
+}
+
+static int traverse2(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
+		     void *p)
+{
+	ok1(correct_key(key));
+	ok1(correct_data(data));
+	return 0;
+}
+
+static int traverse1r(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
+		     void *p)
+{
+	ok1(correct_key(key));
+	ok1(correct_data(data));
+	ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
+	    == SUCCESS);
+	ok1(external_agent_operation(agent, STORE, tdb_name(tdb))
+	    == SUCCESS);
+	ok1(external_agent_operation(agent, TRANSACTION_COMMIT, tdb_name(tdb))
+	    == WOULD_HAVE_BLOCKED);
+	tdb_traverse(tdb, traverse2, NULL);
+
+	/* That should *not* release the all-records lock! */
+	ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
+	    == SUCCESS);
+	ok1(external_agent_operation(agent, STORE, tdb_name(tdb))
+	    == SUCCESS);
+	ok1(external_agent_operation(agent, TRANSACTION_COMMIT, tdb_name(tdb))
+	    == WOULD_HAVE_BLOCKED);
+	return 0;
+}
+
+static int traverse1w(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
+		     void *p)
+{
+	ok1(correct_key(key));
+	ok1(correct_data(data));
+	ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
+	    == WOULD_HAVE_BLOCKED);
+	tdb_traverse(tdb, traverse2, NULL);
+
+	/* That should *not* release the all-records lock! */
+	ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
+	    == WOULD_HAVE_BLOCKED);
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	struct tdb_context *tdb;
+	TDB_DATA key, data;
+
+	plan_tests(17);
+	agent = prepare_external_agent();
+
+	tdb = tdb_open_ex("run-nested-traverse.tdb", 1024, TDB_CLEAR_IF_FIRST,
+			  O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
+	ok1(tdb);
+
+	ok1(external_agent_operation(agent, OPEN, tdb_name(tdb)) == SUCCESS);
+	ok1(external_agent_operation(agent, TRANSACTION_START, tdb_name(tdb))
+	    == SUCCESS);
+	ok1(external_agent_operation(agent, TRANSACTION_COMMIT, tdb_name(tdb))
+	    == SUCCESS);
+
+	key.dsize = strlen("hi");
+	key.dptr = discard_const_p(uint8_t, "hi");
+	data.dptr = discard_const_p(uint8_t, "world");
+	data.dsize = strlen("world");
+
+	ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
+	tdb_traverse(tdb, traverse1w, NULL);
+	tdb_traverse_read(tdb, traverse1r, NULL);
+	tdb_close(tdb);
+
+	return exit_status();
+}