zero-append test for tdb.

diff --git a/ccan/tdb/test/run-zero-append.c b/ccan/tdb/test/run-zero-append.c
new file mode 100644 (file)
index 0000000..287d74c
--- /dev/null
+++ b/ccan/tdb/test/run-zero-append.c
@@ -0,0 +1,37 @@
+#define _XOPEN_SOURCE 500
+#include "tdb/tdb.h"
+#include "tdb/io.c"
+#include "tdb/tdb.c"
+#include "tdb/lock.c"
+#include "tdb/freelist.c"
+#include "tdb/traverse.c"
+#include "tdb/transaction.c"
+#include "tdb/error.c"
+#include "tdb/open.c"
+#include "tap/tap.h"
+#include <stdlib.h>
+#include <err.h>
+
+int main(int argc, char *argv[])
+{
+       struct tdb_context *tdb;
+       TDB_DATA key, data;
+
+       plan_tests(4);
+       tdb = tdb_open(NULL, 1024, TDB_INTERNAL, O_CREAT|O_TRUNC|O_RDWR, 0600);
+       ok1(tdb);
+
+       /* Tickle bug on appending zero length buffer to zero length buffer. */
+       key.dsize = strlen("hi");
+       key.dptr = (void *)"hi";
+       data.dptr = (void *)"world";
+       data.dsize = 0;
+
+       ok1(tdb_append(tdb, key, data) == 0);
+       ok1(tdb_append(tdb, key, data) == 0);
+       data = tdb_fetch(tdb, key);
+       ok1(data.dsize == 0);
+       tdb_close(tdb);
+
+       return exit_status();
+}