X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fntdb%2Ftest%2Fapi-missing-entries.c;fp=ccan%2Fntdb%2Ftest%2Fapi-missing-entries.c;h=2a00f1b33e87692dca49c2196b99f57c51084750;hp=0000000000000000000000000000000000000000;hb=d69ef83fcc2434ddaced1831184fb761ae6f09d3;hpb=ed95d8600afe1564ffd1783ae9ea0ef6324904dc

diff --git a/ccan/ntdb/test/api-missing-entries.c b/ccan/ntdb/test/api-missing-entries.c
new file mode 100644
index 00000000..2a00f1b3
--- /dev/null
+++ b/ccan/ntdb/test/api-missing-entries.c
@@ -0,0 +1,42 @@
+/* Another test revealed that we lost an entry.  This reproduces it. */
+#include "config.h"
+#include "ntdb.h"
+#include "private.h"
+#include <ccan/hash/hash.h>
+#include "tap-interface.h"
+#include "logging.h"
+
+#define NUM_RECORDS 1189
+
+/* We use the same seed which we saw this failure on. */
+static uint32_t failhash(const void *key, size_t len, uint32_t seed, void *p)
+{
+	return hash64_stable((const unsigned char *)key, len,
+			     699537674708983027ULL);
+}
+
+int main(int argc, char *argv[])
+{
+	int i;
+	struct ntdb_context *ntdb;
+	NTDB_DATA key = { (unsigned char *)&i, sizeof(i) };
+	NTDB_DATA data = { (unsigned char *)&i, sizeof(i) };
+	union ntdb_attribute hattr = { .hash = { .base = { NTDB_ATTRIBUTE_HASH },
+						.fn = failhash } };
+
+	hattr.base.next = &tap_log_attr;
+	plan_tests(1 + NUM_RECORDS + 2);
+
+	ntdb = ntdb_open("run-missing-entries.ntdb", NTDB_INTERNAL,
+			 O_RDWR|O_CREAT|O_TRUNC, 0600, &hattr);
+	if (ok1(ntdb)) {
+		for (i = 0; i < NUM_RECORDS; i++) {
+			ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == 0);
+		}
+		ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+		ntdb_close(ntdb);
+	}
+
+	ok1(tap_log_messages == 0);
+	return exit_status();
+}