tdb: import unit tests from CCAN into tdb/test/

I pulled tdb into CCAN as an experiment a while ago; it doesn't belong
there, but it has accumulated some important unit tests.

These are copied from CCAN version init-1486-gc438ec1 with #include "../"
changed to #include "../common/".

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 51 insertions, 0 deletions

diff --git a/lib/tdb/test/run-oldhash.c b/lib/tdb/test/run-oldhash.c
new file mode 100644
index 0000000000..2c3436e60c
--- /dev/null
+++ b/lib/tdb/test/run-oldhash.c
@@ -0,0 +1,51 @@
+#define _XOPEN_SOURCE 500
+#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 <ccan/tap/tap.h>
+#include <stdlib.h>
+#include <err.h>
+#include "logging.h"
+
+int main(int argc, char *argv[])
+{
+	struct tdb_context *tdb;
+
+	plan_tests(8);
+
+	/* Old format (with zeroes in the hash magic fields) should
+	 * open with any hash (since we don't know what hash they used). */
+	tdb = tdb_open_ex("test/old-nohash-le.tdb", 0, 0, O_RDWR, 0,
+			  &taplogctx, NULL);
+	ok1(tdb);
+	ok1(tdb_check(tdb, NULL, NULL) == 0);
+	tdb_close(tdb);
+
+	tdb = tdb_open_ex("test/old-nohash-be.tdb", 0, 0, O_RDWR, 0,
+			  &taplogctx, NULL);
+	ok1(tdb);
+	ok1(tdb_check(tdb, NULL, NULL) == 0);
+	tdb_close(tdb);
+
+	tdb = tdb_open_ex("test/old-nohash-le.tdb", 0, 0, O_RDWR, 0,
+			  &taplogctx, tdb_jenkins_hash);
+	ok1(tdb);
+	ok1(tdb_check(tdb, NULL, NULL) == 0);
+	tdb_close(tdb);
+
+	tdb = tdb_open_ex("test/old-nohash-be.tdb", 0, 0, O_RDWR, 0,
+			  &taplogctx, tdb_jenkins_hash);
+	ok1(tdb);
+	ok1(tdb_check(tdb, NULL, NULL) == 0);
+	tdb_close(tdb);
+
+	return exit_status();
+}