X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Ftdb%2Ftest%2Frun-wronghash-old.c;fp=ccan%2Ftdb%2Ftest%2Frun-wronghash-old.c;h=3f1955eec772f5ae1a0458a18dffc986050d854f;hb=fdf3c148052f30d10e8c72fbdbdaf67d4a51b11e;hp=0000000000000000000000000000000000000000;hpb=63bceea014e091a2f2907e49f7c3b33f042106f4;p=ccan

diff --git a/ccan/tdb/test/run-wronghash-old.c b/ccan/tdb/test/run-wronghash-old.c
new file mode 100644
index 00000000..3f1955ee
--- /dev/null
+++ b/ccan/tdb/test/run-wronghash-old.c
@@ -0,0 +1,68 @@
+#define _XOPEN_SOURCE 500
+#include <ccan/tdb/tdb.h>
+#include <ccan/tdb/io.c>
+#include <ccan/tdb/tdb.c>
+#include <ccan/tdb/lock.c>
+#include <ccan/tdb/freelist.c>
+#include <ccan/tdb/traverse.c>
+#include <ccan/tdb/transaction.c>
+#include <ccan/tdb/error.c>
+#include <ccan/tdb/open.c>
+#include <ccan/tdb/check.c>
+#include <ccan/hash/hash.h>
+#include <ccan/tap/tap.h>
+#include <stdlib.h>
+#include <err.h>
+
+static unsigned int non_jenkins_hash(TDB_DATA *key)
+{
+	return ~hash_stable(key->dptr, key->dsize, 0);
+}
+
+static void log_fn(struct tdb_context *tdb, enum tdb_debug_level level, const char *fmt, ...)
+{
+	unsigned int *count = tdb_get_logging_private(tdb);
+	/* Old code used to complain about spinlocks on new databases. */
+	if (strstr(fmt, "spinlock"))
+		(*count)++;
+}
+
+/* The old code should barf on new-style TDBs created with a non-default hash.
+ */
+int main(int argc, char *argv[])
+{
+	struct tdb_context *tdb;
+	unsigned int log_count;
+	struct tdb_logging_context log_ctx = { log_fn, &log_count };
+
+	plan_tests(8);
+
+	/* We should fail to open new-style non-default-hash tdbs of
+	 * either endian. */
+	log_count = 0;
+	tdb = tdb_open_ex("test/jenkins-le-hash.tdb", 0, 0, O_RDWR, 0,
+			  &log_ctx, NULL);
+	ok1(!tdb);
+	ok1(log_count == 1);
+
+	log_count = 0;
+	tdb = tdb_open_ex("test/jenkins-be-hash.tdb", 0, 0, O_RDWR, 0,
+			  &log_ctx, NULL);
+	ok1(!tdb);
+	ok1(log_count == 1);
+
+	/* And of course, if we use the wrong hash it will still fail. */
+	log_count = 0;
+	tdb = tdb_open_ex("test/jenkins-le-hash.tdb", 0, 0, O_RDWR, 0,
+			  &log_ctx, non_jenkins_hash);
+	ok1(!tdb);
+	ok1(log_count == 1);
+
+	log_count = 0;
+	tdb = tdb_open_ex("test/jenkins-be-hash.tdb", 0, 0, O_RDWR, 0,
+			  &log_ctx, non_jenkins_hash);
+	ok1(!tdb);
+	ok1(log_count == 1);
+
+	return exit_status();
+}